Beta version 2.1.9: Fix 'edited' field export.

Export 'edited' only if the message was edited.

.github/workflows/linux.yml

@@ -221,6 +221,7 @@ jobs:
           --disable-autodetect \
           --disable-everything \
           --disable-neon \
+          --disable-alsa \
           --disable-iconv \
           --enable-libopus \
           --enable-vaapi \
@@ -378,36 +379,43 @@ jobs:
           cd $LibrariesPath
           sudo cp -R openssl-cache/. /
 
-      - name: Libxkbcommon.
-        run: |
-          cd $LibrariesPath
-
-          git clone -b xkbcommon-0.8.4 --depth=1 $GIT/xkbcommon/libxkbcommon.git
-          cd libxkbcommon
-          ./autogen.sh
-          make -j$(nproc)
-          sudo make install
-          cd ..
-          rm -rf libxkbcommon
-
       - name: Libwayland.
         run: |
           cd $LibrariesPath
 
           git clone -b 1.16 https://gitlab.freedesktop.org/wayland/wayland
           cd wayland
-          ./autogen.sh --enable-static --disable-documentation  --disable-dtd-validation
+          ./autogen.sh \
+          --enable-static \
+          --disable-documentation \
+          --disable-dtd-validation
           make -j$(nproc)
           sudo make install
           cd ..
           rm -rf wayland
 
+      - name: Libxkbcommon.
+        run: |
+          cd $LibrariesPath
+
+          git clone -b xkbcommon-0.8.4 --depth=1 $GIT/xkbcommon/libxkbcommon.git
+          cd libxkbcommon
+          ./autogen.sh \
+          --disable-docs \
+          --disable-wayland \
+          --with-xkb-config-root=/usr/share/X11/xkb \
+          --with-x-locale-root=/usr/share/X11/locale
+          make -j$(nproc)
+          sudo make install
+          cd ..
+          rm -rf libxkbcommon
+
       - name: Qt 5.12.8 cache.
         id: cache-qt
         uses: actions/cache@v1
         with:
           path: ${{ env.LibrariesPath }}/qt-cache
-          key: ${{ runner.OS }}-qt-${{ env.CACHE_KEY }}-${{ hashFiles('**/qtbase_5_12_8.diff') }}
+          key: ${{ runner.OS }}-qt-${{ env.CACHE_KEY }}-${{ hashFiles('**/qt*_5_12_8/*') }}
       - name: Qt 5.12.8 build.
         if: steps.cache-qt.outputs.cache-hit != 'true'
         run: |
@@ -418,8 +426,11 @@ jobs:
           perl init-repository --module-subset=qtbase,qtwayland,qtimageformats,qtsvg,qtx11extras
           git submodule update qtbase qtwayland qtimageformats qtsvg qtx11extras
           cd qtbase
-          git apply ../../patches/qtbase_${QT}.diff
-          cd ../
+          find ../../patches/qtbase_${QT} -type f -print0 | sort -z | xargs -r0 git apply
+          cd ..
+          cd qtwayland
+          find ../../patches/qtwayland_${QT} -type f -print0 | sort -z | xargs -r0 git apply
+          cd ..
 
           ./configure -prefix "$QT_PREFIX" \
           -release \

.github/workflows/mac.yml

@@ -88,6 +88,7 @@ jobs:
           echo $MIN_MAC >> CACHE_KEY.txt
           echo $PREFIX >> CACHE_KEY.txt
           echo $MANUAL_CACHING >> CACHE_KEY.txt
+          echo "$GITHUB_WORKSPACE" >> CACHE_KEY.txt
           if [ "$AUTO_CACHING" == "1" ]; then
             thisFile=$REPO_NAME/.github/workflows/mac.yml
             echo `md5 -q $thisFile` >> CACHE_KEY.txt
@@ -423,7 +424,7 @@ jobs:
           git submodule update qtbase
           git submodule update qtimageformats
           cd qtbase
-          git apply ../../patches/qtbase_$QT.diff
+          find ../../patches/qtbase_$QT -type f -print0 | sort -z | xargs -0 git apply
           cd ..
 
           ./configure \

.github/workflows/snap.yml

@@ -48,8 +48,6 @@ jobs:
 
     env:
       UPLOAD_ARTIFACT: "false"
-      ONLY_CACHE: "false"
-      MANUAL_CACHING: "5"
 
     steps:
       - name: Clone.
@@ -59,56 +57,17 @@ jobs:
 
       - name: First set up.
         run: |
+          # Workaround for permanent problems with third-party repository keys
+          sudo rm -rf /etc/apt/sources.list.d/*
+
           sudo apt-get update
-          sudo apt-get install gcc-8 g++-8 -y
           sudo snap install --classic snapcraft
 
           # Workaround for snapcraft
           # See https://forum.snapcraft.io/t/13258
           sudo chown root:root /
 
-          md5() {
-            md5cache=$(md5sum $1.txt | cut -c -32)
-            echo ::set-env name=$1::$md5cache
-          }
-          keyFor() {
-            keyName="${1^^}_CACHE_KEY"
-            awk -v RS="" -v ORS="\n\n" '/^  '"$1"':/' snap/snapcraft.yaml > $keyName.txt
-            md5 $keyName
-          }
-
-          snap run snapcraft --version > CACHE_KEY.txt
-          gcc-8 --version >> CACHE_KEY.txt
-          echo $MANUAL_CACHING >> CACHE_KEY.txt
-          md5 CACHE_KEY
-
-          keyFor cmake
-          keyFor ffmpeg
-
-      - name: CMake cache.
-        id: cache-cmake
-        uses: actions/cache@v1
-        with:
-          path: parts/cmake
-          key: ${{ runner.OS }}-cmake-${{ env.CACHE_KEY }}-${{ env.CMAKE_CACHE_KEY }}
-
-      - name: CMake build.
-        if: steps.cache-cmake.outputs.cache-hit != 'true'
-        run: sudo snap run snapcraft build --destructive-mode cmake
-
-      - name: FFmpeg cache.
-        id: cache-ffmpeg
-        uses: actions/cache@v1
-        with:
-          path: parts/ffmpeg
-          key: ${{ runner.OS }}-ffmpeg-${{ env.CACHE_KEY }}-${{ env.FFMPEG_CACHE_KEY }}
-
-      - name: FFmpeg build.
-        if: steps.cache-ffmpeg.outputs.cache-hit != 'true'
-        run: sudo snap run snapcraft build --destructive-mode ffmpeg
-
       - name: Telegram Desktop snap build.
-        if: env.ONLY_CACHE == 'false'
         run: sudo snap run snapcraft --destructive-mode
 
       - name: Move artifact.
@@ -126,8 +85,3 @@ jobs:
         with:
           name: ${{ env.ARTIFACT_NAME }}
           path: artifact
-
-      - name: Remove unneeded directories for cache.
-        run: |
-          sudo rm -rf parts/*/{build,src,ubuntu}
-          sudo rm -rf parts/*/state/{stage,prime}

.github/workflows/win.yml

@@ -308,7 +308,7 @@ jobs:
           git submodule update qtbase
           git submodule update qtimageformats
           cd qtbase
-          git apply ../../patches/qtbase_%QT%.diff
+          for /r %%i in (..\..\patches\qtbase_%QT%\*) do git apply %%i
           cd ..
 
           SET SSL=%LibrariesPath%\openssl_1_1_1

.gitmodules

@@ -3,7 +3,7 @@
 	url = https://github.com/telegramdesktop/libtgvoip
 [submodule "Telegram/ThirdParty/variant"]
 	path = Telegram/ThirdParty/variant
-	url = https://github.com/mapbox/variant
+	url = https://github.com/desktop-app/variant.git
 [submodule "Telegram/ThirdParty/GSL"]
 	path = Telegram/ThirdParty/GSL
 	url = https://github.com/Microsoft/GSL.git

Telegram/CMakeLists.txt

@@ -90,6 +90,7 @@ if (LINUX)
         PRIVATE
             desktop-app::external_statusnotifieritem
             desktop-app::external_dbusmenu_qt
+            desktop-app::external_fcitx_qt5
             desktop-app::external_fcitx5_qt5
             desktop-app::external_hime_qt
         )
@@ -263,6 +264,9 @@ PRIVATE
     calls/calls_box_controller.h
     calls/calls_call.cpp
     calls/calls_call.h
+    calls/calls_controller.cpp
+    calls/calls_controller.h
+    calls/calls_controller_tgvoip.h
     calls/calls_emoji_fingerprint.cpp
     calls/calls_emoji_fingerprint.h
     calls/calls_instance.cpp
@@ -297,6 +301,8 @@ PRIVATE
     chat_helpers/stickers_dice_pack.h
     chat_helpers/stickers_list_widget.cpp
     chat_helpers/stickers_list_widget.h
+    chat_helpers/stickers_set.cpp
+    chat_helpers/stickers_set.h
     chat_helpers/tabbed_panel.cpp
     chat_helpers/tabbed_panel.h
     chat_helpers/tabbed_section.cpp
@@ -325,7 +331,6 @@ PRIVATE
     core/launcher.h
     core/local_url_handlers.cpp
     core/local_url_handlers.h
-    core/media_active_cache.h
     core/mime_type.cpp
     core/mime_type.h
     core/sandbox.cpp
@@ -351,14 +356,16 @@ PRIVATE
     data/data_channel.h
     data/data_channel_admins.cpp
     data/data_channel_admins.h
+    data/data_cloud_file.cpp
+    data/data_cloud_file.h
     data/data_cloud_themes.cpp
     data/data_cloud_themes.h
     data/data_countries.cpp
     data/data_countries.h
     data/data_document.cpp
     data/data_document.h
-    data/data_document_good_thumbnail.cpp
-    data/data_document_good_thumbnail.h
+    data/data_document_media.cpp
+    data/data_document_media.h
     data/data_drafts.cpp
     data/data_drafts.h
     data/data_folder.cpp
@@ -389,10 +396,14 @@ PRIVATE
     data/data_peer_values.h
     data/data_photo.cpp
     data/data_photo.h
+    data/data_photo_media.cpp
+    data/data_photo_media.h
     data/data_poll.cpp
     data/data_poll.h
     data/data_pts_waiter.cpp
     data/data_pts_waiter.h
+    data/data_reply_preview.cpp
+    data/data_reply_preview.h
     data/data_search_controller.cpp
     data/data_search_controller.h
     data/data_session.cpp
@@ -753,6 +764,7 @@ PRIVATE
     mtproto/type_utils.h
     overview/overview_layout.cpp
     overview/overview_layout.h
+    overview/overview_layout_delegate.h
     passport/passport_encryption.cpp
     passport/passport_encryption.h
     passport/passport_form_controller.cpp
@@ -795,7 +807,6 @@ PRIVATE
     platform/mac/file_utilities_mac.h
     platform/mac/launcher_mac.mm
     platform/mac/launcher_mac.h
-    platform/mac/mac_iconv_helper.c
     platform/mac/main_window_mac.mm
     platform/mac/main_window_mac.h
     platform/mac/notifications_manager_mac.mm
@@ -922,8 +933,8 @@ PRIVATE
     ui/image/image.h
     ui/image/image_location.cpp
     ui/image/image_location.h
-    ui/image/image_source.cpp
-    ui/image/image_source.h
+    ui/image/image_location_factory.cpp
+    ui/image/image_location_factory.h
     ui/widgets/continuous_sliders.cpp
     ui/widgets/continuous_sliders.h
     ui/widgets/discrete_sliders.cpp
@@ -1033,6 +1044,8 @@ PRIVATE
 
 if (DESKTOP_APP_USE_PACKAGED)
     nice_target_sources(Telegram ${src_loc} PRIVATE qt_functions.cpp)
+else()
+    nice_target_sources(Telegram ${src_loc} PRIVATE platform/mac/mac_iconv_helper.c)
 endif()
 
 nice_target_sources(Telegram ${res_loc}
@@ -1068,11 +1081,11 @@ if (WIN32)
     #     $<IF:${release},"Appending compatibility manifest.","Finalizing build.">
     # )
 elseif (APPLE)
-    target_link_libraries(Telegram
-    PRIVATE
-        desktop-app::external_sp_media_key_tap
-        desktop-app::external_iconv
-    )
+    target_link_libraries(Telegram PRIVATE desktop-app::external_sp_media_key_tap)
+
+    if (NOT DESKTOP_APP_USE_PACKAGED)
+        target_link_libraries(Telegram PRIVATE desktop-app::external_iconv)
+    endif()
 
     set(icons_path ${CMAKE_CURRENT_SOURCE_DIR}/Telegram/Images.xcassets)
     set_target_properties(Telegram PROPERTIES RESOURCE ${icons_path})

Telegram/Resources/langs/lang.strings

@@ -1454,6 +1454,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_context_edit_msg" = "Edit";
 "lng_context_forward_msg" = "Forward Message";
 "lng_context_send_now_msg" = "Send now";
+"lng_context_reschedule" = "Reschedule";
 "lng_context_delete_msg" = "Delete Message";
 "lng_context_select_msg" = "Select Message";
 "lng_context_report_msg" = "Report Message";
@@ -2149,6 +2150,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_export_option_size_limit" = "Size limit: {size}";
 "lng_export_header_format" = "Location and format";
 "lng_export_option_location" = "Download path: {path}";
+"lng_export_option_format_location" = "Format: {format}, Path: {path}";
+"lng_export_option_choose_format" = "Choose export format";
 "lng_export_option_html" = "Human-readable HTML";
 "lng_export_option_json" = "Machine-readable JSON";
 "lng_export_limits" = "From: {from}, to: {till}";
@@ -2248,6 +2251,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_polls_votes_collapse" = "Collapse";
 
 "lng_outdated_title" = "PLEASE UPDATE YOUR OPERATING SYSTEM.";
+"lng_outdated_title_bits" = "PLEASE SWITCH TO 64 BIT OPERATING SYSTEM.";
 "lng_outdated_soon" = "Otherwise, Telegram Desktop will stop updating on {date}.";
 "lng_outdated_now" = "So that Telegram Desktop can update to newer versions.";
 

Telegram/Resources/tl/api.tl

@@ -357,6 +357,7 @@ updateMessagePollVote#42f88f2c poll_id:long user_id:int options:Vector<bytes> =
 updateDialogFilter#26ffde7d flags:# id:int filter:flags.0?DialogFilter = Update;
 updateDialogFilterOrder#a5d72105 order:Vector<int> = Update;
 updateDialogFilters#3504914f = Update;
+updatePhoneCallSignalingData#2661bf09 phone_call_id:long data:bytes = Update;
 
 updates.state#a56c2a3e pts:int qts:int date:int seq:int unread_count:int = updates.State;
 
@@ -421,7 +422,7 @@ inputDocumentEmpty#72f0eaae = InputDocument;
 inputDocument#1abfb575 id:long access_hash:long file_reference:bytes = InputDocument;
 
 documentEmpty#36f8c871 id:long = Document;
-document#9ba29cc1 flags:# id:long access_hash:long file_reference:bytes date:int mime_type:string size:int thumbs:flags.0?Vector<PhotoSize> dc_id:int attributes:Vector<DocumentAttribute> = Document;
+document#1e87342b flags:# id:long access_hash:long file_reference:bytes date:int mime_type:string size:int thumbs:flags.0?Vector<PhotoSize> video_thumbs:flags.1?Vector<VideoSize> dc_id:int attributes:Vector<DocumentAttribute> = Document;
 
 help.support#17c6b5f6 phone_number:string user:User = help.Support;
 
@@ -1140,6 +1141,8 @@ stats.broadcastStats#bdf78394 period:StatsDateRangeDays followers:StatsAbsValueA
 help.promoDataEmpty#98f6ac75 expires:int = help.PromoData;
 help.promoData#8c39793f flags:# proxy:flags.0?true expires:int peer:Peer chats:Vector<Chat> users:Vector<User> psa_type:flags.1?string psa_message:flags.2?string = help.PromoData;
 
+videoSize#435bb987 type:string location:FileLocation w:int h:int size:int = VideoSize;
+
 ---functions---
 
 invokeAfterMsg#cb9f372d {X:Type} msg_id:long query:!X = X;
@@ -1485,6 +1488,7 @@ phone.receivedCall#17d54f61 peer:InputPhoneCall = Bool;
 phone.discardCall#b2cbc1c0 flags:# video:flags.0?true peer:InputPhoneCall duration:int reason:PhoneCallDiscardReason connection_id:long = Updates;
 phone.setCallRating#59ead627 flags:# user_initiative:flags.0?true peer:InputPhoneCall rating:int comment:string = Updates;
 phone.saveCallDebug#277add7e peer:InputPhoneCall debug:DataJSON = Bool;
+phone.sendSignalingData#ff7a9383 peer:InputPhoneCall data:bytes = Bool;
 
 langpack.getLangPack#f2f2330a lang_pack:string lang_code:string = LangPackDifference;
 langpack.getStrings#efea3803 lang_pack:string lang_code:string keys:Vector<string> = Vector<LangPackString>;
@@ -1498,4 +1502,4 @@ folders.deleteFolder#1c295881 folder_id:int = Updates;
 stats.getBroadcastStats#ab42441a flags:# dark:flags.0?true channel:InputChannel = stats.BroadcastStats;
 stats.loadAsyncGraph#621d5fa0 flags:# token:string x:flags.0?long = StatsGraph;
 
-// LAYER 113
+// LAYER 114

Telegram/Resources/uwp/AppX/AppxManifest.xml

@@ -9,7 +9,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="2.1.5.0" />
+    Version="2.1.9.0" />
   <Properties>
     <DisplayName>Telegram Desktop</DisplayName>
     <PublisherDisplayName>Telegram FZ-LLC</PublisherDisplayName>

Telegram/Resources/winrc/Telegram.rc

@@ -44,8 +44,8 @@ IDI_ICON1               ICON                    "..\\art\\icon256.ico"
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,1,5,0
- PRODUCTVERSION 2,1,5,0
+ FILEVERSION 2,1,9,0
+ PRODUCTVERSION 2,1,9,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -62,10 +62,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "2.1.5.0"
+            VALUE "FileVersion", "2.1.9.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2020"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "2.1.5.0"
+            VALUE "ProductVersion", "2.1.9.0"
         END
     END
     BLOCK "VarFileInfo"

Telegram/Resources/winrc/Updater.rc

@@ -35,8 +35,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,1,5,0
- PRODUCTVERSION 2,1,5,0
+ FILEVERSION 2,1,9,0
+ PRODUCTVERSION 2,1,9,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -53,10 +53,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "2.1.5.0"
+            VALUE "FileVersion", "2.1.9.0"
             VALUE "LegalCopyright", "Copyright (C) 2014-2020"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "2.1.5.0"
+            VALUE "ProductVersion", "2.1.9.0"
         END
     END
     BLOCK "VarFileInfo"

Telegram/SourceFiles/_other/updater_osx.m

@@ -90,7 +90,7 @@ int main(int argc, const char * argv[]) {
 
 	openLog();
 	pid_t procId = 0;
-	BOOL update = YES, toSettings = NO, autoStart = NO, startInTray = NO, testMode = NO, externalUpdater = NO;
+	BOOL update = YES, toSettings = NO, autoStart = NO, startInTray = NO, testMode = NO, freeType = NO, externalUpdater = NO;
 	BOOL customWorkingDir = NO;
 	NSString *key = nil;
 	for (int i = 0; i < argc; ++i) {
@@ -116,6 +116,8 @@ int main(int argc, const char * argv[]) {
 			startInTray = YES;
 		} else if ([@"-testmode" isEqualToString:[NSString stringWithUTF8String:argv[i]]]) {
 			testMode = YES;
+		} else if ([@"-freetype" isEqualToString:[NSString stringWithUTF8String:argv[i]]]) {
+			freeType = YES;
 		} else if ([@"-externalupdater" isEqualToString:[NSString stringWithUTF8String:argv[i]]]) {
 			externalUpdater = YES;
 		} else if ([@"-workdir_custom" isEqualToString:[NSString stringWithUTF8String:argv[i]]]) {
@@ -255,6 +257,7 @@ int main(int argc, const char * argv[]) {
 	if (_debug) [args addObject:@"-debug"];
 	if (startInTray) [args addObject:@"-startintray"];
 	if (testMode) [args addObject:@"-testmode"];
+	if (freeType) [args addObject:@"-freetype"];
 	if (externalUpdater) [args addObject:@"-externalupdater"];
 	if (autoStart) [args addObject:@"-autostart"];
 	if (key) {

Telegram/SourceFiles/_other/updater_win.cpp

@@ -339,7 +339,7 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE prevInstance, LPWSTR cmdPara
 	LPWSTR *args;
 	int argsCount;
 
-	bool needupdate = false, autostart = false, debug = false, writeprotected = false, startintray = false, testmode = false, externalupdater = false;
+	bool needupdate = false, autostart = false, debug = false, writeprotected = false, startintray = false, testmode = false, freetype = false, externalupdater = false;
 	args = CommandLineToArgvW(GetCommandLine(), &argsCount);
 	if (args) {
 		for (int i = 1; i < argsCount; ++i) {
@@ -355,6 +355,8 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE prevInstance, LPWSTR cmdPara
 				startintray = true;
 			} else if (equal(args[i], L"-testmode")) {
 				testmode = true;
+			} else if (equal(args[i], L"-freetype")) {
+				freetype = true;
 			} else if (equal(args[i], L"-externalupdater")) {
 				externalupdater = true;
 			} else if (equal(args[i], L"-writeprotected") && ++i < argsCount) {
@@ -427,6 +429,7 @@ int APIENTRY wWinMain(HINSTANCE instance, HINSTANCE prevInstance, LPWSTR cmdPara
 	if (debug) targs += L" -debug";
 	if (startintray) targs += L" -startintray";
 	if (testmode) targs += L" -testmode";
+	if (freetype) targs += L" -freetype";
 	if (externalupdater) targs += L" -externalupdater";
 	if (!customWorkingDir.empty()) {
 		targs += L" -workdir \"" + customWorkingDir + L"\"";

Telegram/SourceFiles/api/api_sending.cpp

@@ -30,6 +30,26 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Api {
 namespace {
 
+void InnerFillMessagePostFlags(
+		const Api::SendOptions &options,
+		not_null<PeerData*> peer,
+		MTPDmessage::Flags &flags) {
+	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
+	if (!channelPost) {
+		flags |= MTPDmessage::Flag::f_from_id;
+		return;
+	}
+	flags |= MTPDmessage::Flag::f_post;
+	// Don't display views and author of a new post when it's scheduled.
+	if (options.scheduled) {
+		return;
+	}
+	flags |= MTPDmessage::Flag::f_views;
+	if (peer->asChannel()->addsSignature()) {
+		flags |= MTPDmessage::Flag::f_post_author;
+	}
+}
+
 template <typename MediaData>
 void SendExistingMedia(
 		Api::MessageToSend &&message,
@@ -60,15 +80,7 @@ void SendExistingMedia(
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
 	const auto silentPost = message.action.options.silent
 		|| (channelPost && session->data().notifySilentPosts(peer));
-	if (channelPost) {
-		flags |= MTPDmessage::Flag::f_views;
-		flags |= MTPDmessage::Flag::f_post;
-	}
-	if (!channelPost) {
-		flags |= MTPDmessage::Flag::f_from_id;
-	} else if (peer->asChannel()->addsSignature()) {
-		flags |= MTPDmessage::Flag::f_post_author;
-	}
+	InnerFillMessagePostFlags(message.action.options, peer, flags);
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
 	}
@@ -246,15 +258,7 @@ bool SendDice(Api::MessageToSend &message) {
 	const auto channelPost = peer->isChannel() && !peer->isMegagroup();
 	const auto silentPost = message.action.options.silent
 		|| (channelPost && session->data().notifySilentPosts(peer));
-	if (channelPost) {
-		flags |= MTPDmessage::Flag::f_views;
-		flags |= MTPDmessage::Flag::f_post;
-	}
-	if (!channelPost) {
-		flags |= MTPDmessage::Flag::f_from_id;
-	} else if (peer->asChannel()->addsSignature()) {
-		flags |= MTPDmessage::Flag::f_post_author;
-	}
+	InnerFillMessagePostFlags(message.action.options, peer, flags);
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendMedia::Flag::f_silent;
 	}
@@ -320,4 +324,11 @@ bool SendDice(Api::MessageToSend &message) {
 	return true;
 }
 
+void FillMessagePostFlags(
+		const Api::SendAction &action,
+		not_null<PeerData*> peer,
+		MTPDmessage::Flags &flags) {
+	InnerFillMessagePostFlags(action.options, peer, flags);
+}
+
 } // namespace Api

Telegram/SourceFiles/api/api_sending.h

@@ -25,4 +25,9 @@ void SendExistingPhoto(
 
 bool SendDice(Api::MessageToSend &message);
 
+void FillMessagePostFlags(
+	const SendAction &action,
+	not_null<PeerData*> peer,
+	MTPDmessage::Flags &flags);
+
 } // namespace Api

Telegram/SourceFiles/apiwrap.cpp

@@ -1865,7 +1865,7 @@ void ApiWrap::saveStickerSets(
 	auto &sets = _session->data().stickerSetsRef();
 
 	_stickersOrder = localOrder;
-	for_const (auto removedSetId, localRemoved) {
+	for (const auto removedSetId : localRemoved) {
 		if (removedSetId == Stickers::CloudRecentSetId) {
 			if (sets.remove(Stickers::CloudRecentSetId) != 0) {
 				writeCloudRecent = true;
@@ -1890,16 +1890,17 @@ void ApiWrap::saveStickerSets(
 
 		auto it = sets.find(removedSetId);
 		if (it != sets.cend()) {
+			const auto set = it->second.get();
 			for (auto i = recent.begin(); i != recent.cend();) {
-				if (it->stickers.indexOf(i->first) >= 0) {
+				if (set->stickers.indexOf(i->first) >= 0) {
 					i = recent.erase(i);
 					writeRecent = true;
 				} else {
 					++i;
 				}
 			}
-			if (!(it->flags & MTPDstickerSet::Flag::f_archived)) {
-				MTPInputStickerSet setId = (it->id && it->access) ? MTP_inputStickerSetID(MTP_long(it->id), MTP_long(it->access)) : MTP_inputStickerSetShortName(MTP_string(it->shortName));
+			if (!(set->flags & MTPDstickerSet::Flag::f_archived)) {
+				const auto setId = set->mtpInput();
 
 				auto requestId = request(MTPmessages_UninstallStickerSet(setId)).done([this](const MTPBool &result, mtpRequestId requestId) {
 					stickerSetDisenabled(requestId);
@@ -1909,60 +1910,69 @@ void ApiWrap::saveStickerSets(
 
 				_stickerSetDisenableRequests.insert(requestId);
 
-				int removeIndex = _session->data().stickerSetsOrder().indexOf(it->id);
+				int removeIndex = _session->data().stickerSetsOrder().indexOf(set->id);
 				if (removeIndex >= 0) _session->data().stickerSetsOrderRef().removeAt(removeIndex);
-				if (!(it->flags & MTPDstickerSet_ClientFlag::f_featured)
-					&& !(it->flags & MTPDstickerSet_ClientFlag::f_special)) {
+				if (!(set->flags & MTPDstickerSet_ClientFlag::f_featured)
+					&& !(set->flags & MTPDstickerSet_ClientFlag::f_special)) {
 					sets.erase(it);
 				} else {
-					if (it->flags & MTPDstickerSet::Flag::f_archived) {
+					if (set->flags & MTPDstickerSet::Flag::f_archived) {
 						writeArchived = true;
 					}
-					it->flags &= ~(MTPDstickerSet::Flag::f_installed_date | MTPDstickerSet::Flag::f_archived);
-					it->installDate = TimeId(0);
+					set->flags &= ~(MTPDstickerSet::Flag::f_installed_date | MTPDstickerSet::Flag::f_archived);
+					set->installDate = TimeId(0);
 				}
 			}
 		}
 	}
 
 	// Clear all installed flags, set only for sets from order.
-	for (auto &set : sets) {
-		if (!(set.flags & MTPDstickerSet::Flag::f_archived)) {
-			set.flags &= ~MTPDstickerSet::Flag::f_installed_date;
+	for (auto &[id, set] : sets) {
+		if (!(set->flags & MTPDstickerSet::Flag::f_archived)) {
+			set->flags &= ~MTPDstickerSet::Flag::f_installed_date;
 		}
 	}
 
 	auto &order = _session->data().stickerSetsOrderRef();
 	order.clear();
-	for_const (auto setId, _stickersOrder) {
+	for (const auto setId : std::as_const(_stickersOrder)) {
 		auto it = sets.find(setId);
 		if (it != sets.cend()) {
-			if ((it->flags & MTPDstickerSet::Flag::f_archived) && !localRemoved.contains(it->id)) {
-				MTPInputStickerSet mtpSetId = (it->id && it->access) ? MTP_inputStickerSetID(MTP_long(it->id), MTP_long(it->access)) : MTP_inputStickerSetShortName(MTP_string(it->shortName));
+			const auto set = it->second.get();
+			if ((set->flags & MTPDstickerSet::Flag::f_archived) && !localRemoved.contains(set->id)) {
+				const auto mtpSetId = set->mtpInput();
 
-				auto requestId = request(MTPmessages_InstallStickerSet(mtpSetId, MTP_boolFalse())).done([this](const MTPmessages_StickerSetInstallResult &result, mtpRequestId requestId) {
+				const auto requestId = request(MTPmessages_InstallStickerSet(
+					mtpSetId,
+					MTP_boolFalse()
+				)).done([=](
+						const MTPmessages_StickerSetInstallResult &result,
+						mtpRequestId requestId) {
 					stickerSetDisenabled(requestId);
-				}).fail([this](const RPCError &error, mtpRequestId requestId) {
+				}).fail([=](
+						const RPCError &error,
+						mtpRequestId requestId) {
 					stickerSetDisenabled(requestId);
 				}).afterDelay(kSmallDelayMs).send();
 
 				_stickerSetDisenableRequests.insert(requestId);
 
-				it->flags &= ~MTPDstickerSet::Flag::f_archived;
+				set->flags &= ~MTPDstickerSet::Flag::f_archived;
 				writeArchived = true;
 			}
 			order.push_back(setId);
-			it->flags |= MTPDstickerSet::Flag::f_installed_date;
-			if (!it->installDate) {
-				it->installDate = base::unixtime::now();
+			set->flags |= MTPDstickerSet::Flag::f_installed_date;
+			if (!set->installDate) {
+				set->installDate = base::unixtime::now();
 			}
 		}
 	}
 	for (auto it = sets.begin(); it != sets.cend();) {
-		if ((it->flags & MTPDstickerSet_ClientFlag::f_featured)
-			|| (it->flags & MTPDstickerSet::Flag::f_installed_date)
-			|| (it->flags & MTPDstickerSet::Flag::f_archived)
-			|| (it->flags & MTPDstickerSet_ClientFlag::f_special)) {
+		const auto set = it->second.get();
+		if ((set->flags & MTPDstickerSet_ClientFlag::f_featured)
+			|| (set->flags & MTPDstickerSet::Flag::f_installed_date)
+			|| (set->flags & MTPDstickerSet::Flag::f_archived)
+			|| (set->flags & MTPDstickerSet_ClientFlag::f_special)) {
 			++it;
 		} else {
 			it = sets.erase(it);
@@ -3334,14 +3344,14 @@ void ApiWrap::readFeaturedSetDelayed(uint64 setId) {
 }
 
 void ApiWrap::readFeaturedSets() {
-	auto &sets = _session->data().stickerSetsRef();
+	const auto &sets = _session->data().stickerSets();
 	auto count = _session->data().featuredStickerSetsUnreadCount();
 	QVector<MTPlong> wrappedIds;
 	wrappedIds.reserve(_featuredSetsRead.size());
-	for (auto setId : _featuredSetsRead) {
-		auto it = sets.find(setId);
+	for (const auto setId : _featuredSetsRead) {
+		const auto it = sets.find(setId);
 		if (it != sets.cend()) {
-			it->flags &= ~MTPDstickerSet_ClientFlag::f_unread;
+			it->second->flags &= ~MTPDstickerSet_ClientFlag::f_unread;
 			wrappedIds.append(MTP_long(setId));
 			if (count) {
 				--count;
@@ -4328,15 +4338,7 @@ void ApiWrap::forwardMessages(
 	auto flags = MTPDmessage::Flags(0);
 	auto clientFlags = MTPDmessage_ClientFlags();
 	auto sendFlags = MTPmessages_ForwardMessages::Flags(0);
-	if (channelPost) {
-		flags |= MTPDmessage::Flag::f_views;
-		flags |= MTPDmessage::Flag::f_post;
-	}
-	if (!channelPost) {
-		flags |= MTPDmessage::Flag::f_from_id;
-	} else if (peer->asChannel()->addsSignature()) {
-		flags |= MTPDmessage::Flag::f_post_author;
-	}
+	FillMessagePostFlags(action, peer, flags);
 	if (silentPost) {
 		sendFlags |= MTPmessages_ForwardMessages::Flag::f_silent;
 	}
@@ -4489,15 +4491,7 @@ void ApiWrap::sendSharedContact(
 	if (action.replyTo) {
 		flags |= MTPDmessage::Flag::f_reply_to_msg_id;
 	}
-	if (channelPost) {
-		flags |= MTPDmessage::Flag::f_views;
-		flags |= MTPDmessage::Flag::f_post;
-		if (peer->asChannel()->addsSignature()) {
-			flags |= MTPDmessage::Flag::f_post_author;
-		}
-	} else {
-		flags |= MTPDmessage::Flag::f_from_id;
-	}
+	FillMessagePostFlags(action, peer, flags);
 	if (action.options.scheduled) {
 		flags |= MTPDmessage::Flag::f_from_scheduled;
 	} else {
@@ -4874,15 +4868,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 		const auto channelPost = peer->isChannel() && !peer->isMegagroup();
 		const auto silentPost = action.options.silent
 			|| (channelPost && _session->data().notifySilentPosts(peer));
-		if (channelPost) {
-			flags |= MTPDmessage::Flag::f_views;
-			flags |= MTPDmessage::Flag::f_post;
-		}
-		if (!channelPost) {
-			flags |= MTPDmessage::Flag::f_from_id;
-		} else if (peer->asChannel()->addsSignature()) {
-			flags |= MTPDmessage::Flag::f_post_author;
-		}
+		FillMessagePostFlags(action, peer, flags);
 		if (silentPost) {
 			sendFlags |= MTPmessages_SendMessage::Flag::f_silent;
 		}
@@ -5019,15 +5005,7 @@ void ApiWrap::sendInlineResult(
 	bool channelPost = peer->isChannel() && !peer->isMegagroup();
 	bool silentPost = action.options.silent
 		|| (channelPost && _session->data().notifySilentPosts(peer));
-	if (channelPost) {
-		flags |= MTPDmessage::Flag::f_views;
-		flags |= MTPDmessage::Flag::f_post;
-	}
-	if (!channelPost) {
-		flags |= MTPDmessage::Flag::f_from_id;
-	} else if (peer->asChannel()->addsSignature()) {
-		flags |= MTPDmessage::Flag::f_post_author;
-	}
+	FillMessagePostFlags(action, peer, flags);
 	if (silentPost) {
 		sendFlags |= MTPmessages_SendInlineBotResult::Flag::f_silent;
 	}
@@ -5857,6 +5835,43 @@ void ApiWrap::closePoll(not_null<HistoryItem*> item) {
 	_pollCloseRequestIds.emplace(itemId, requestId);
 }
 
+void ApiWrap::rescheduleMessage(
+		not_null<HistoryItem*> item,
+		Api::SendOptions options) {
+	const auto text = item->originalText().text;
+	const auto sentEntities = Api::EntitiesToMTP(
+		item->originalText().entities,
+		Api::ConvertOption::SkipLocal);
+	const auto media = item->media();
+
+	const auto emptyFlag = MTPmessages_EditMessage::Flag(0);
+	const auto flags = MTPmessages_EditMessage::Flag::f_schedule_date
+	| (!text.isEmpty()
+		? MTPmessages_EditMessage::Flag::f_message
+		: emptyFlag)
+	| ((!media || !media->webpage())
+		? MTPmessages_EditMessage::Flag::f_no_webpage
+		: emptyFlag)
+	| (!sentEntities.v.isEmpty()
+		? MTPmessages_EditMessage::Flag::f_entities
+		: emptyFlag);
+
+	const auto id = _session->data().scheduledMessages().lookupId(item);
+	request(MTPmessages_EditMessage(
+		MTP_flags(flags),
+		item->history()->peer->input,
+		MTP_int(id),
+		MTP_string(text),
+		MTPInputMedia(),
+		MTPReplyMarkup(),
+		sentEntities,
+		MTP_int(options.scheduled)
+	)).done([=](const MTPUpdates &result) {
+		applyUpdates(result);
+	}).fail([](const RPCError &error) {
+	}).send();
+}
+
 void ApiWrap::reloadPollResults(not_null<HistoryItem*> item) {
 	const auto itemId = item->fullId();
 	if (!IsServerMsgId(item->id)

Telegram/SourceFiles/apiwrap.h

@@ -12,7 +12,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/flat_map.h"
 #include "base/flat_set.h"
 #include "mtproto/sender.h"
-#include "chat_helpers/stickers.h"
+#include "chat_helpers/stickers_set.h"
 #include "data/data_messages.h"
 
 class TaskQueue;
@@ -476,6 +476,10 @@ public:
 	void closePoll(not_null<HistoryItem*> item);
 	void reloadPollResults(not_null<HistoryItem*> item);
 
+	void rescheduleMessage(
+		not_null<HistoryItem*> item,
+		Api::SendOptions options);
+
 private:
 	struct MessageDataRequest {
 		using Callbacks = QList<RequestMessageDataCallback>;

Telegram/SourceFiles/app.cpp

@@ -227,8 +227,6 @@ namespace App {
 		clearCorners();
 
 		Data::clearGlobalStructures();
-
-		Images::ClearAll();
 	}
 
 	void hoveredItem(HistoryView::Element *item) {
@@ -322,6 +320,9 @@ namespace App {
 	}
 
 	QImage readImage(QByteArray data, QByteArray *format, bool opaque, bool *animated) {
+		if (data.isEmpty()) {
+			return QImage();
+		}
 		QByteArray tmpFormat;
 		QImage result;
 		QBuffer buffer(&data);

Telegram/SourceFiles/app.h

@@ -11,23 +11,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/rect_part.h"
 
 enum class ImageRoundRadius;
-class MainWindow;
-class MainWidget;
-class HistoryItem;
-class History;
+
 namespace HistoryView {
 class Element;
 } // namespace HistoryView
 
-namespace Media {
-namespace Clip {
-class Reader;
-} // namespace Clip
-} // namespace Media
-
-using HistoryItemsMap = base::flat_set<not_null<HistoryItem*>>;
-using GifItems = QHash<Media::Clip::Reader*, HistoryItem*>;
-
 enum RoundCorners : int {
 	SmallMaskCorners = 0x00, // for images
 	LargeMaskCorners,

Telegram/SourceFiles/boxes/add_contact_box.cpp

@@ -34,6 +34,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_chat.h"
 #include "data/data_user.h"
 #include "data/data_session.h"
+#include "data/data_cloud_file.h"
 #include "mainwidget.h"
 #include "mainwindow.h"
 #include "apiwrap.h"
@@ -222,6 +223,7 @@ private:
 		}
 
 		not_null<PeerData*> peer;
+		mutable std::shared_ptr<Data::CloudImageView> userpic;
 		Ui::Text::String name, status;
 	};
 	void paintChat(Painter &p, const ChatRow &row, bool selected) const;
@@ -1438,7 +1440,7 @@ void RevokePublicLinkBox::resizeEvent(QResizeEvent *e) {
 
 void RevokePublicLinkBox::Inner::paintChat(Painter &p, const ChatRow &row, bool selected) const {
 	auto peer = row.peer;
-	peer->paintUserpicLeft(p, st::contactsPadding.left(), st::contactsPadding.top(), width(), st::contactsPhotoSize);
+	peer->paintUserpicLeft(p, row.userpic, st::contactsPadding.left(), st::contactsPadding.top(), width(), st::contactsPhotoSize);
 
 	p.setPen(st::contactsNameFg);
 

Telegram/SourceFiles/boxes/auto_download_box.cpp

@@ -216,11 +216,11 @@ void AutoDownloadBox::setupContent() {
 			_session->data().photoLoadSettingsChanged();
 		}
 		if (ranges::find_if(allowMoreTypes, _1 != Type::Photo)
-			!= allowMoreTypes.end()) {
+				!= allowMoreTypes.end()) {
 			_session->data().documentLoadSettingsChanged();
 		}
 		if (less) {
-			_session->data().checkPlayingVideoFiles();
+			_session->data().checkPlayingAnimations();
 		}
 		closeBox();
 	});

Telegram/SourceFiles/boxes/background_box.cpp

@@ -16,6 +16,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mtproto/sender.h"
 #include "data/data_session.h"
 #include "data/data_file_origin.h"
+#include "data/data_document.h"
+#include "data/data_document_media.h"
 #include "boxes/background_preview_box.h"
 #include "boxes/confirm_box.h"
 #include "app.h"
@@ -53,28 +55,33 @@ QImage TakeMiddleSample(QImage original, QSize size) {
 
 } // namespace
 
-class BackgroundBox::Inner : public Ui::RpWidget, private base::Subscriber {
+class BackgroundBox::Inner final
+	: public Ui::RpWidget
+	, private base::Subscriber {
 public:
 	Inner(
 		QWidget *parent,
 		not_null<Main::Session*> session);
+	~Inner();
 
 	rpl::producer<Data::WallPaper> chooseEvents() const;
 	rpl::producer<Data::WallPaper> removeRequests() const;
 
 	void removePaper(const Data::WallPaper &data);
 
-	~Inner();
-
-protected:
+private:
 	void paintEvent(QPaintEvent *e) override;
 	void mouseMoveEvent(QMouseEvent *e) override;
 	void mousePressEvent(QMouseEvent *e) override;
 	void mouseReleaseEvent(QMouseEvent *e) override;
 
-private:
+	void visibleTopBottomUpdated(
+		int visibleTop,
+		int visibleBottom) override;
+
 	struct Paper {
 		Data::WallPaper data;
+		mutable std::shared_ptr<Data::DocumentMedia> dataMedia;
 		mutable QPixmap thumbnail;
 	};
 	struct Selected {
@@ -252,11 +259,19 @@ void BackgroundBox::Inner::resizeToContentAndPreload() {
 	const auto rows = (count / kBackgroundsInRow)
 		+ (count % kBackgroundsInRow ? 1 : 0);
 
-	resize(st::boxWideWidth, rows * (st::backgroundSize.height() + st::backgroundPadding) + st::backgroundPadding);
+	resize(
+		st::boxWideWidth,
+		(rows * (st::backgroundSize.height() + st::backgroundPadding)
+			+ st::backgroundPadding));
 
 	const auto preload = kBackgroundsInRow * 3;
 	for (const auto &paper : _papers | ranges::view::take(preload)) {
-		paper.data.loadThumbnail();
+		if (!paper.data.localThumbnail() && !paper.dataMedia) {
+			if (const auto document = paper.data.document()) {
+				paper.dataMedia = document->createMediaView();
+				paper.dataMedia->thumbnailWanted(paper.data.fileOrigin());
+			}
+		}
 	}
 	update();
 }
@@ -292,15 +307,24 @@ void BackgroundBox::Inner::paintEvent(QPaintEvent *e) {
 
 void BackgroundBox::Inner::validatePaperThumbnail(
 		const Paper &paper) const {
-	Expects(paper.data.thumbnail() != nullptr);
-
-	const auto thumbnail = paper.data.thumbnail();
 	if (!paper.thumbnail.isNull()) {
 		return;
-	} else if (!thumbnail->loaded()) {
-		thumbnail->load(paper.data.fileOrigin());
-		return;
 	}
+	const auto localThumbnail = paper.data.localThumbnail();
+	if (!localThumbnail) {
+		if (const auto document = paper.data.document()) {
+			if (!paper.dataMedia) {
+				paper.dataMedia = document->createMediaView();
+				paper.dataMedia->thumbnailWanted(paper.data.fileOrigin());
+			}
+		}
+		if (!paper.dataMedia || !paper.dataMedia->thumbnail()) {
+			return;
+		}
+	}
+	const auto thumbnail = localThumbnail
+		? localThumbnail
+		: paper.dataMedia->thumbnail();
 	auto original = thumbnail->original();
 	if (paper.data.isPattern()) {
 		const auto color = *paper.data.backgroundColor();
@@ -428,7 +452,14 @@ void BackgroundBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 			if (base::get_if<DeleteSelected>(&_over)) {
 				_backgroundRemove.fire_copy(_papers[index].data);
 			} else if (base::get_if<Selected>(&_over)) {
-				_backgroundChosen.fire_copy(_papers[index].data);
+				auto &paper = _papers[index];
+				if (!paper.dataMedia) {
+					if (const auto document = paper.data.document()) {
+						// Keep it alive while it is on the screen.
+						paper.dataMedia = document->createMediaView();
+					}
+				}
+				_backgroundChosen.fire_copy(paper.data);
 			}
 		}
 	} else if (!_over.has_value()) {
@@ -436,6 +467,22 @@ void BackgroundBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 	}
 }
 
+void BackgroundBox::Inner::visibleTopBottomUpdated(
+		int visibleTop,
+		int visibleBottom) {
+	for (auto i = 0, count = int(_papers.size()); i != count; ++i) {
+		const auto row = (i / kBackgroundsInRow);
+		const auto height = st::backgroundSize.height();
+		const auto skip = st::backgroundPadding;
+		const auto top = skip + row * (height + skip);
+		const auto bottom = top + height;
+		if ((bottom <= visibleTop || top >= visibleBottom)
+			&& !_papers[i].thumbnail.isNull()) {
+			_papers[i].dataMedia = nullptr;
+		}
+	}
+}
+
 rpl::producer<Data::WallPaper> BackgroundBox::Inner::chooseEvents() const {
 	return _backgroundChosen.events();
 }

Telegram/SourceFiles/boxes/background_preview_box.cpp

@@ -22,6 +22,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_user.h"
 #include "data/data_document.h"
+#include "data/data_document_media.h"
+#include "data/data_file_origin.h"
 #include "base/unixtime.h"
 #include "boxes/confirm_box.h"
 #include "boxes/background_preview_box.h"
@@ -410,7 +412,11 @@ BackgroundPreviewBox::BackgroundPreviewBox(
 	tr::lng_background_text2(tr::now),
 	true))
 , _paper(paper)
+, _media(_paper.document() ? _paper.document()->createMediaView() : nullptr)
 , _radial([=](crl::time now) { radialAnimationCallback(now); }) {
+	if (_media) {
+		_media->thumbnailWanted(_paper.fileOrigin());
+	}
 	subscribe(_session->downloaderTaskFinished(), [=] { update(); });
 }
 
@@ -428,12 +434,14 @@ void BackgroundPreviewBox::prepare() {
 	}
 	updateServiceBg(_paper.backgroundColor());
 
-	_paper.loadThumbnail();
 	_paper.loadDocument();
-	if (_paper.document() && _paper.document()->loading()) {
-		_radial.start(_paper.document()->progress());
+	const auto document = _paper.document();
+	if (document && document->loading()) {
+		_radial.start(_media->progress());
 	}
-	if (_paper.thumbnail() && !_paper.isPattern()) {
+	if (!_paper.isPattern()
+		&& (_paper.localThumbnail()
+			|| (document && document->hasThumbnail()))) {
 		createBlurCheckbox();
 	}
 	setScaledFromThumb();
@@ -634,7 +642,7 @@ void BackgroundPreviewBox::radialAnimationCallback(crl::time now) {
 	const auto document = _paper.document();
 	const auto wasAnimating = _radial.animating();
 	const auto updated = _radial.update(
-		document->progress(),
+		_media->progress(),
 		!document->loading(),
 		now);
 	if ((wasAnimating || _radial.animating())
@@ -645,8 +653,13 @@ void BackgroundPreviewBox::radialAnimationCallback(crl::time now) {
 }
 
 bool BackgroundPreviewBox::setScaledFromThumb() {
-	const auto thumbnail = _paper.thumbnail();
-	if (!thumbnail || !thumbnail->loaded()) {
+	const auto localThumbnail = _paper.localThumbnail();
+	const auto thumbnail = localThumbnail
+		? localThumbnail
+		: _media
+		? _media->thumbnail()
+		: nullptr;
+	if (!thumbnail) {
 		return false;
 	} else if (_paper.isPattern() && _paper.document() != nullptr) {
 		return false;
@@ -710,7 +723,7 @@ void BackgroundPreviewBox::checkLoadedDocument() {
 	const auto document = _paper.document();
 	if (!_full.isNull()
 		|| !document
-		|| !document->loaded(DocumentData::FilePathResolve::Checked)
+		|| !_media->loaded(true)
 		|| _generating) {
 		return;
 	}
@@ -744,7 +757,7 @@ void BackgroundPreviewBox::checkLoadedDocument() {
 		});
 	};
 	_generating = Data::ReadImageAsync(
-		document,
+		_media.get(),
 		Window::Theme::ProcessBackgroundImage,
 		generateCallback);
 }

Telegram/SourceFiles/boxes/background_preview_box.h

@@ -15,6 +15,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/animations.h"
 #include "ui/effects/radial_animation.h"
 
+namespace Data {
+class DocumentMedia;
+} // namespace Data
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -71,6 +75,7 @@ private:
 	AdminLog::OwnedItem _text1;
 	AdminLog::OwnedItem _text2;
 	Data::WallPaper _paper;
+	std::shared_ptr<Data::DocumentMedia> _media;
 	QImage _full;
 	QPixmap _scaled, _blurred, _fadeOutThumbnail;
 	Ui::Animations::Simple _fadeIn;

Telegram/SourceFiles/boxes/calendar_box.cpp

@@ -599,4 +599,19 @@ void CalendarBox::keyPressEvent(QKeyEvent *e) {
 	}
 }
 
+void CalendarBox::wheelEvent(QWheelEvent *e) {
+	// Only a mouse wheel is accepted.
+	constexpr auto step = static_cast<int>(QWheelEvent::DefaultDeltasPerStep);
+	const auto delta = e->angleDelta().y();
+	if (std::abs(delta) != step) {
+		return;
+	}
+
+	if (delta < 0) {
+		goPreviousMonth();
+	} else {
+		goNextMonth();
+	}
+}
+
 CalendarBox::~CalendarBox() = default;

Telegram/SourceFiles/boxes/calendar_box.h

@@ -46,6 +46,7 @@ protected:
 
 	void keyPressEvent(QKeyEvent *e) override;
 	void resizeEvent(QResizeEvent *e) override;
+	void wheelEvent(QWheelEvent *e) override;
 
 private:
 	void monthChanged(QDate month);

Telegram/SourceFiles/boxes/change_phone_box.cpp

@@ -19,6 +19,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "data/data_session.h"
 #include "data/data_user.h"
+#include "mtproto/facade.h"
 #include "app.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"

Telegram/SourceFiles/boxes/confirm_box.cpp

@@ -32,6 +32,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_user.h"
 #include "data/data_file_origin.h"
 #include "data/data_histories.h"
+#include "data/data_photo_media.h"
 #include "base/unixtime.h"
 #include "main/main_session.h"
 #include "observer_peer.h"
@@ -894,12 +895,12 @@ ConfirmInviteBox::ConfirmInviteBox(
 
 	const auto photo = _session->data().processPhoto(data.vphoto());
 	if (!photo->isNull()) {
-		_photo = photo->thumbnail();
-		if (!_photo->loaded()) {
+		_photo = photo->createMediaView();
+		_photo->wanted(Data::PhotoSize::Small, Data::FileOrigin());
+		if (!_photo->image(Data::PhotoSize::Small)) {
 			subscribe(_session->downloaderTaskFinished(), [=] {
 				update();
 			});
-			_photo->load(Data::FileOrigin());
 		}
 	} else {
 		_photoEmpty = std::make_unique<Ui::EmptyUserpic>(
@@ -908,19 +909,20 @@ ConfirmInviteBox::ConfirmInviteBox(
 	}
 }
 
-std::vector<not_null<UserData*>> ConfirmInviteBox::GetParticipants(
-		not_null<Main::Session*> session,
-		const MTPDchatInvite &data) {
+auto ConfirmInviteBox::GetParticipants(
+	not_null<Main::Session*> session,
+	const MTPDchatInvite &data)
+-> std::vector<Participant> {
 	const auto participants = data.vparticipants();
 	if (!participants) {
 		return {};
 	}
 	const auto &v = participants->v;
-	auto result = std::vector<not_null<UserData*>>();
+	auto result = std::vector<Participant>();
 	result.reserve(v.size());
 	for (const auto &participant : v) {
 		if (const auto user = session->data().processUser(participant)) {
-			result.push_back(user);
+			result.push_back(Participant{ user });
 		}
 	}
 	return result;
@@ -945,12 +947,12 @@ void ConfirmInviteBox::prepare() {
 		_userWidth = (st::confirmInviteUserPhotoSize + 2 * padding);
 		int sumWidth = _participants.size() * _userWidth;
 		int left = (st::boxWideWidth - sumWidth) / 2;
-		for (const auto user : _participants) {
+		for (const auto &participant : _participants) {
 			auto name = new Ui::FlatLabel(this, st::confirmInviteUserName);
 			name->resizeToWidth(st::confirmInviteUserPhotoSize + padding);
-			name->setText(user->firstName.isEmpty()
-				? user->name
-				: user->firstName);
+			name->setText(participant.user->firstName.isEmpty()
+				? participant.user->name
+				: participant.user->firstName);
 			name->moveToLeft(left + (padding / 2), st::confirmInviteUserNameTop);
 			left += _userWidth;
 		}
@@ -972,14 +974,15 @@ void ConfirmInviteBox::paintEvent(QPaintEvent *e) {
 	Painter p(this);
 
 	if (_photo) {
-		p.drawPixmap(
-			(width() - st::confirmInvitePhotoSize) / 2,
-			st::confirmInvitePhotoTop,
-			_photo->pixCircled(
-				Data::FileOrigin(),
-				st::confirmInvitePhotoSize,
-				st::confirmInvitePhotoSize));
-	} else {
+		if (const auto image = _photo->image(Data::PhotoSize::Small)) {
+			p.drawPixmap(
+				(width() - st::confirmInvitePhotoSize) / 2,
+				st::confirmInvitePhotoTop,
+				image->pixCircled(
+					st::confirmInvitePhotoSize,
+					st::confirmInvitePhotoSize));
+		}
+	} else if (_photoEmpty) {
 		_photoEmpty->paint(
 			p,
 			(width() - st::confirmInvitePhotoSize) / 2,
@@ -990,9 +993,10 @@ void ConfirmInviteBox::paintEvent(QPaintEvent *e) {
 
 	int sumWidth = _participants.size() * _userWidth;
 	int left = (width() - sumWidth) / 2;
-	for_const (auto user, _participants) {
-		user->paintUserpicLeft(
+	for (auto &participant : _participants) {
+		participant.user->paintUserpicLeft(
 			p,
+			participant.userpic,
 			left + (_userWidth - st::confirmInviteUserPhotoSize) / 2,
 			st::confirmInviteUserPhotoTop,
 			width(),

Telegram/SourceFiles/boxes/confirm_box.h

@@ -10,6 +10,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/abstract_box.h"
 #include "mtproto/mtproto_rpc_sender.h"
 
+namespace Data {
+class PhotoMedia;
+class CloudImageView;
+} // namespace Data
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -221,7 +226,11 @@ protected:
 	void paintEvent(QPaintEvent *e) override;
 
 private:
-	static std::vector<not_null<UserData*>> GetParticipants(
+	struct Participant {
+		not_null<UserData*> user;
+		std::shared_ptr<Data::CloudImageView> userpic;
+	};
+	static std::vector<Participant> GetParticipants(
 		not_null<Main::Session*> session,
 		const MTPDchatInvite &data);
 
@@ -230,9 +239,9 @@ private:
 	Fn<void()> _submit;
 	object_ptr<Ui::FlatLabel> _title;
 	object_ptr<Ui::FlatLabel> _status;
-	Image *_photo = nullptr;
+	std::shared_ptr<Data::PhotoMedia> _photo;
 	std::unique_ptr<Ui::EmptyUserpic> _photoEmpty;
-	std::vector<not_null<UserData*>> _participants;
+	std::vector<Participant> _participants;
 	bool _isChannel = false;
 
 	int _userWidth = 0;

Telegram/SourceFiles/boxes/edit_caption_box.cpp

@@ -22,12 +22,19 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_photo.h"
 #include "data/data_user.h"
 #include "data/data_session.h"
+#include "data/data_streaming.h"
 #include "data/data_file_origin.h"
+#include "data/data_photo_media.h"
+#include "data/data_document_media.h"
 #include "history/history.h"
 #include "history/history_item.h"
 #include "lang/lang_keys.h"
 #include "layout.h"
-#include "media/clip/media_clip_reader.h"
+#include "media/streaming/media_streaming_instance.h"
+#include "media/streaming/media_streaming_player.h"
+#include "media/streaming/media_streaming_document.h"
+#include "media/streaming/media_streaming_loader_local.h"
+#include "storage/localimageloader.h"
 #include "storage/storage_media_prepare.h"
 #include "ui/image/image.h"
 #include "ui/widgets/input_fields.h"
@@ -46,6 +53,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include <QtCore/QMimeData>
 
+namespace {
+
+using namespace ::Media::Streaming;
+using Data::PhotoSize;
+
+} // namespace
+
 EditCaptionBox::EditCaptionBox(
 	QWidget*,
 	not_null<Window::SessionController*> controller,
@@ -58,45 +72,67 @@ EditCaptionBox::EditCaptionBox(
 	_isAllowedEditMedia = item->media()->allowsEditMedia();
 	_isAlbum = !item->groupId().empty();
 
-	QSize dimensions;
-	auto image = (Image*)nullptr;
-	DocumentData *doc = nullptr;
-
+	auto dimensions = QSize();
 	const auto media = item->media();
 	if (const auto photo = media->photo()) {
+		_photoMedia = photo->createMediaView();
+		_photoMedia->wanted(PhotoSize::Large, _msgId);
+		dimensions = _photoMedia->size(PhotoSize::Large);
+		if (dimensions.isEmpty()) {
+			dimensions = QSize(1, 1);
+		}
 		_photo = true;
-		dimensions = QSize(photo->width(), photo->height());
-		image = photo->large();
 	} else if (const auto document = media->document()) {
-		image = document->thumbnail();
-		dimensions = image
-			? image->size()
+		_documentMedia = document->createMediaView();
+		_documentMedia->thumbnailWanted(_msgId);
+		dimensions = _documentMedia->thumbnail()
+			? _documentMedia->thumbnail()->size()
 			: document->dimensions;
 		if (document->isAnimation()) {
-			_gifw = document->dimensions.width();
-			_gifh = document->dimensions.height();
+			_gifw = style::ConvertScale(document->dimensions.width());
+			_gifh = style::ConvertScale(document->dimensions.height());
 			_animated = true;
 		} else if (document->isVideoFile()) {
 			_animated = true;
 		} else {
 			_doc = true;
 		}
-		doc = document;
+	} else {
+		Unexpected("Photo or document should be set.");
 	}
 	const auto editData = PrepareEditText(item);
 
-	if (!_animated && (dimensions.isEmpty() || doc || !image)) {
-		if (!image) {
-			_thumbw = 0;
+	const auto computeImage = [=] {
+		if (_documentMedia) {
+			return _documentMedia->thumbnail();
+		} else if (const auto large = _photoMedia->image(PhotoSize::Large)) {
+			return large;
+		} else if (const auto thumbnail = _photoMedia->image(
+				PhotoSize::Thumbnail)) {
+			return thumbnail;
+		} else if (const auto small = _photoMedia->image(PhotoSize::Small)) {
+			return small;
 		} else {
-			const auto tw = image->width(), th = image->height();
+			return _photoMedia->thumbnailInline();
+		}
+	};
+
+	if (!_animated && _documentMedia) {
+		if (dimensions.isEmpty()) {
+			_thumbw = 0;
+			_thumbnailImageLoaded = true;
+		} else {
+			const auto tw = dimensions.width(), th = dimensions.height();
 			if (tw > th) {
 				_thumbw = (tw * st::msgFileThumbSize) / th;
 			} else {
 				_thumbw = st::msgFileThumbSize;
 			}
-			_thumbnailImage = image;
 			_refreshThumbnail = [=] {
+				const auto image = computeImage();
+				if (!image) {
+					return;
+				}
 				const auto options = Images::Option::Smooth
 					| Images::Option::RoundedSmall
 					| Images::Option::RoundedTopLeft
@@ -104,30 +140,28 @@ EditCaptionBox::EditCaptionBox(
 					| Images::Option::RoundedBottomLeft
 					| Images::Option::RoundedBottomRight;
 				_thumb = App::pixmapFromImageInPlace(Images::prepare(
-					image->pix(_msgId).toImage(),
+					image->original(),
 					_thumbw * cIntRetinaFactor(),
 					0,
 					options,
 					st::msgFileThumbSize,
 					st::msgFileThumbSize));
+				_thumbnailImageLoaded = true;
 			};
-		}
-
-		if (doc) {
-			const auto nameString = doc->isVoiceMessage()
-				? tr::lng_media_audio(tr::now)
-				: doc->composeNameString();
-			setName(nameString, doc->size);
-			_isImage = doc->isImage();
-			_isAudio = (doc->isVoiceMessage() || doc->isAudioFile());
-		}
-		if (_refreshThumbnail) {
 			_refreshThumbnail();
 		}
-	} else {
-		if (!image) {
-			image = Image::BlankMedia();
+
+		if (_documentMedia) {
+			const auto document = _documentMedia->owner();
+			const auto nameString = document->isVoiceMessage()
+				? tr::lng_media_audio(tr::now)
+				: document->composeNameString();
+			setName(nameString, document->size);
+			_isImage = document->isImage();
+			_isAudio = document->isVoiceMessage()
+				|| document->isAudioFile();
 		}
+	} else {
 		auto maxW = 0, maxH = 0;
 		const auto limitW = st::sendMediaPreviewSize;
 		auto limitH = std::min(st::confirmMaxHeight, _gifh ? _gifh : INT_MAX);
@@ -145,29 +179,42 @@ EditCaptionBox::EditCaptionBox(
 					maxH = limitH;
 				}
 			}
-			_thumbnailImage = image;
 			_refreshThumbnail = [=] {
+				const auto image = computeImage();
+				const auto use = image ? image : Image::BlankMedia().get();
 				const auto options = Images::Option::Smooth
 					| Images::Option::Blurred;
-				_thumb = image->pixNoCache(
-					_msgId,
+				_thumb = use->pixNoCache(
 					maxW * cIntRetinaFactor(),
 					maxH * cIntRetinaFactor(),
 					options,
 					maxW,
 					maxH);
+				_thumbnailImageLoaded = true;
 			};
-			prepareGifPreview(doc);
+			prepareStreamedPreview();
 		} else {
+			Assert(_photoMedia != nullptr);
+
 			maxW = dimensions.width();
 			maxH = dimensions.height();
-			_thumbnailImage = image;
 			_refreshThumbnail = [=] {
-				_thumb = image->pixNoCache(
-					_msgId,
+				const auto image = computeImage();
+				const auto photo = _photoMedia->image(Data::PhotoSize::Large);
+				const auto use = photo
+					? photo
+					: image
+					? image
+					: Image::BlankMedia().get();
+				const auto options = Images::Option::Smooth
+					| (photo
+						? Images::Option(0)
+						: Images::Option::Blurred);
+				_thumbnailImageLoaded = (photo != nullptr);
+				_thumb = use->pixNoCache(
 					maxW * cIntRetinaFactor(),
 					maxH * cIntRetinaFactor(),
-					Images::Option::Smooth,
+					options,
 					maxW,
 					maxH);
 			};
@@ -205,7 +252,7 @@ EditCaptionBox::EditCaptionBox(
 			thumbX = (st::boxWideWidth - thumbWidth) / 2;
 		};
 
-		if (doc && doc->isAnimation()) {
+		if (_documentMedia && _documentMedia->owner()->isAnimation()) {
 			resizeDimensions(_gifw, _gifh, _gifx);
 		}
 		limitH = std::min(st::confirmMaxHeight, _gifh ? _gifh : INT_MAX);
@@ -236,23 +283,19 @@ EditCaptionBox::EditCaptionBox(
 		scaleThumbDown();
 	}
 	Assert(_animated || _photo || _doc);
+	Assert(_thumbnailImageLoaded || _refreshThumbnail);
 
-	_thumbnailImageLoaded = _thumbnailImage
-		? _thumbnailImage->loaded()
-		: true;
-	subscribe(_controller->session().downloaderTaskFinished(), [=] {
-		if (!_thumbnailImageLoaded
-			&& _thumbnailImage
-			&& _thumbnailImage->loaded()) {
-			_thumbnailImageLoaded = true;
+	if (!_thumbnailImageLoaded) {
+		subscribe(_controller->session().downloaderTaskFinished(), [=] {
+			if (_thumbnailImageLoaded
+				|| (_photoMedia && !_photoMedia->image(PhotoSize::Large))
+				|| (_documentMedia && !_documentMedia->thumbnail())) {
+				return;
+			}
 			_refreshThumbnail();
 			update();
-		}
-		if (doc && doc->isAnimation() && doc->loaded() && !_gifPreview) {
-			prepareGifPreview(doc);
-		}
-	});
-
+		});
+	}
 	_field.create(
 		this,
 		st::confirmCaptionArea,
@@ -287,6 +330,8 @@ EditCaptionBox::EditCaptionBox(
 	}, _wayWrap->lifetime());
 }
 
+EditCaptionBox::~EditCaptionBox() = default;
+
 void EditCaptionBox::emojiFilterForGeometry(not_null<QEvent*> event) {
 	const auto type = event->type();
 	if (type == QEvent::Move || type == QEvent::Resize) {
@@ -305,74 +350,86 @@ void EditCaptionBox::updateEmojiPanelGeometry() {
 		local.x() + _emojiToggle->width() * 3);
 }
 
-void EditCaptionBox::prepareGifPreview(DocumentData* document) {
+void EditCaptionBox::prepareStreamedPreview() {
 	const auto isListEmpty = _preparedList.files.empty();
-	if (_gifPreview) {
+	if (_streamed) {
 		return;
-	} else if (!document && isListEmpty) {
+	} else if (!_documentMedia && isListEmpty) {
 		return;
 	}
-	const auto callback = [=](Media::Clip::Notification notification) {
-		clipCallback(notification);
-	};
-	if (document && document->isAnimation() && document->loaded()) {
-		_gifPreview = Media::Clip::MakeReader(
-			document,
-			_msgId,
-			callback);
+	const auto document = _documentMedia
+		? _documentMedia->owner().get()
+		: nullptr;
+	if (document && document->isAnimation()) {
+		setupStreamedPreview(
+			document->owner().streaming().sharedDocument(
+				document,
+				_msgId));
 	} else if (!isListEmpty) {
 		const auto file = &_preparedList.files.front();
-		if (file->path.isEmpty()) {
-			_gifPreview = Media::Clip::MakeReader(
-				file->content,
-				callback);
-		} else {
-			_gifPreview = Media::Clip::MakeReader(
-				file->path,
-				callback);
-		}
+		auto loader = file->path.isEmpty()
+			? MakeBytesLoader(file->content)
+			: MakeFileLoader(file->path);
+		setupStreamedPreview(std::make_shared<Document>(std::move(loader)));
 	}
-	if (_gifPreview) _gifPreview->setAutoplay();
 }
 
-void EditCaptionBox::clipCallback(Media::Clip::Notification notification) {
-	using namespace Media::Clip;
-	switch (notification) {
-	case NotificationReinit: {
-		if (_gifPreview && _gifPreview->state() == State::Error) {
-			_gifPreview.setBad();
-		}
+void EditCaptionBox::setupStreamedPreview(std::shared_ptr<Document> shared) {
+	if (!shared) {
+		return;
+	}
+	_streamed = std::make_unique<Instance>(
+		std::move(shared),
+		[=] { update(); });
+	_streamed->lockPlayer();
+	_streamed->player().updates(
+	) | rpl::start_with_next_error([=](Update &&update) {
+		handleStreamingUpdate(std::move(update));
+	}, [=](Error &&error) {
+		handleStreamingError(std::move(error));
+	}, _streamed->lifetime());
 
-		if (_gifPreview && _gifPreview->ready() && !_gifPreview->started()) {
-			const auto calculateGifDimensions = [&]() {
-				const auto scaled = QSize(
-					_gifPreview->width(),
-					_gifPreview->height()).scaled(
-						st::sendMediaPreviewSize * cIntRetinaFactor(),
-						st::confirmMaxHeight * cIntRetinaFactor(),
-						Qt::KeepAspectRatio);
-				_thumbw = _gifw = scaled.width();
-				_thumbh = _gifh = scaled.height();
-				_thumbx = _gifx = (st::boxWideWidth - _gifw) / 2;
-				updateBoxSize();
-			};
-			// If gif file is not mp4,
-			// Its dimension values will be known only after reading.
-			if (_gifw <= 0 || _gifh <= 0) {
-				calculateGifDimensions();
-			}
-			const auto s = QSize(_gifw, _gifh);
-			_gifPreview->start(s.width(), s.height(), s.width(), s.height(), ImageRoundRadius::None, RectPart::None);
-		}
+	if (_streamed->ready()) {
+		streamingReady(base::duplicate(_streamed->info()));
+	}
+	checkStreamedIsStarted();
+}
 
-		update();
-	} break;
+void EditCaptionBox::handleStreamingUpdate(Update &&update) {
+	update.data.match([&](Information &update) {
+		streamingReady(std::move(update));
+	}, [&](const PreloadedVideo &update) {
+	}, [&](const UpdateVideo &update) {
+		this->update();
+	}, [&](const PreloadedAudio &update) {
+	}, [&](const UpdateAudio &update) {
+	}, [&](const WaitingForData &update) {
+	}, [&](MutedByOther) {
+	}, [&](Finished) {
+	});
+}
 
-	case NotificationRepaint: {
-		if (_gifPreview && !_gifPreview->currentDisplayed()) {
-			update();
-		}
-	} break;
+void EditCaptionBox::handleStreamingError(Error &&error) {
+}
+
+void EditCaptionBox::streamingReady(Information &&info) {
+	const auto calculateGifDimensions = [&]() {
+		const auto scaled = QSize(
+			info.video.size.width(),
+			info.video.size.height()
+		).scaled(
+			st::sendMediaPreviewSize * cIntRetinaFactor(),
+			st::confirmMaxHeight * cIntRetinaFactor(),
+			Qt::KeepAspectRatio);
+		_thumbw = _gifw = scaled.width();
+		_thumbh = _gifh = scaled.height();
+		_thumbx = _gifx = (st::boxWideWidth - _gifw) / 2;
+		updateBoxSize();
+	};
+	// If gif file is not mp4,
+	// Its dimension values will be known only after reading.
+	if (_gifw <= 0 || _gifh <= 0) {
+		calculateGifDimensions();
 	}
 }
 
@@ -390,7 +447,7 @@ void EditCaptionBox::updateEditPreview() {
 	_animated = false;
 	_photo = false;
 	_doc = false;
-	_gifPreview = nullptr;
+	_streamed = nullptr;
 	_thumbw = _thumbh = _thumbx = 0;
 	_gifw = _gifh = _gifx = 0;
 
@@ -469,7 +526,7 @@ void EditCaptionBox::updateEditPreview() {
 			_gifw = _thumbw;
 			_gifh = _thumbh;
 			_gifx = _thumbx;
-			prepareGifPreview();
+			prepareStreamedPreview();
 		}
 	}
 	updateEditMediaButton();
@@ -551,10 +608,7 @@ void EditCaptionBox::prepare() {
 			} else if (data->hasImage()) {
 				return true;
 			} else if (const auto urls = data->urls(); !urls.empty()) {
-				if (ranges::find_if(
-					urls,
-					[](const QUrl &url) { return !url.isLocalFile(); }
-				) == urls.end()) {
+				if (ranges::all_of(urls, &QUrl::isLocalFile)) {
 					return true;
 				}
 			}
@@ -687,6 +741,31 @@ int EditCaptionBox::errorTopSkip() const {
 	return (st::defaultBox.buttonPadding.top() / 2);
 }
 
+void EditCaptionBox::checkStreamedIsStarted() {
+	if (!_streamed) {
+		return;
+	}
+	if (_streamed->paused()) {
+		_streamed->resume();
+	}
+	if (!_streamed->active() && !_streamed->failed()) {
+		startStreamedPlayer();
+	}
+}
+
+void EditCaptionBox::startStreamedPlayer() {
+	auto options = ::Media::Streaming::PlaybackOptions();
+	options.audioId = _documentMedia
+		? AudioMsgId(_documentMedia->owner(), _msgId)
+		: AudioMsgId();
+	options.waitForMarkAsShown = true;
+	//if (!_streamed->withSound) {
+	options.mode = ::Media::Streaming::Mode::Video;
+	options.loop = true;
+	//}
+	_streamed->play(options);
+}
+
 void EditCaptionBox::paintEvent(QPaintEvent *e) {
 	BoxContent::paintEvent(e);
 
@@ -700,16 +779,27 @@ void EditCaptionBox::paintEvent(QPaintEvent *e) {
 		if (_thumbx + _thumbw < width() - st::boxPhotoPadding.right()) {
 			p.fillRect(_thumbx + _thumbw, st::boxPhotoPadding.top(), width() - st::boxPhotoPadding.right() - _thumbx - _thumbw, th, st::confirmBg);
 		}
-		if (_gifPreview && _gifPreview->started()) {
+		checkStreamedIsStarted();
+		if (_streamed
+			&& _streamed->player().ready()
+			&& !_streamed->player().videoSize().isEmpty()) {
 			const auto s = QSize(_gifw, _gifh);
 			const auto paused = _controller->isGifPausedAtLeastFor(Window::GifPauseReason::Layer);
-			const auto frame = _gifPreview->current(s.width(), s.height(), s.width(), s.height(), ImageRoundRadius::None, RectPart::None, paused ? 0 : crl::now());
-			p.drawPixmap(_gifx, st::boxPhotoPadding.top(), frame);
+
+			auto request = ::Media::Streaming::FrameRequest();
+			request.outer = s * cIntRetinaFactor();
+			request.resize = s * cIntRetinaFactor();
+			p.drawImage(
+				QRect(_gifx, st::boxPhotoPadding.top(), _gifw, _gifh),
+				_streamed->frame(request));
+			if (!paused) {
+				_streamed->markFrameShown();
+			}
 		} else {
 			const auto offset = _gifh ? ((_gifh - _thumbh) / 2) : 0;
 			p.drawPixmap(_thumbx, st::boxPhotoPadding.top() + offset, _thumb);
 		}
-		if (_animated && !_gifPreview) {
+		if (_animated && !_streamed) {
 			QRect inner(_thumbx + (_thumbw - st::msgFileSize) / 2, st::boxPhotoPadding.top() + (th - st::msgFileSize) / 2, st::msgFileSize, st::msgFileSize);
 			p.setPen(Qt::NoPen);
 			p.setBrush(st::msgDateImgBg);

Telegram/SourceFiles/boxes/edit_caption_box.h

@@ -10,9 +10,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/abstract_box.h"
 #include "storage/storage_media_prepare.h"
 #include "ui/wrap/slide_wrap.h"
-#include "media/clip/media_clip_reader.h"
 #include "mtproto/mtproto_rpc_sender.h"
 
+class Image;
+
 namespace ChatHelpers {
 class TabbedPanel;
 } // namespace ChatHelpers
@@ -23,6 +24,8 @@ class SessionController;
 
 namespace Data {
 class Media;
+class PhotoMedia;
+class DocumentMedia;
 } // namespace Data
 
 namespace Ui {
@@ -36,6 +39,16 @@ namespace Window {
 class SessionController;
 } // namespace Window
 
+namespace Media {
+namespace Streaming {
+class Instance;
+class Document;
+struct Update;
+enum class Error;
+struct Information;
+} // namespace Streaming
+} // namespace Media
+
 class EditCaptionBox
 	: public Ui::BoxContent
 	, public RPCSender
@@ -45,6 +58,7 @@ public:
 		QWidget*,
 		not_null<Window::SessionController*> controller,
 		not_null<HistoryItem*> item);
+	~EditCaptionBox();
 
 protected:
 	void prepare() override;
@@ -56,8 +70,14 @@ protected:
 
 private:
 	void updateBoxSize();
-	void prepareGifPreview(DocumentData* document = nullptr);
-	void clipCallback(Media::Clip::Notification notification);
+	void prepareStreamedPreview();
+	void checkStreamedIsStarted();
+	void setupStreamedPreview(
+		std::shared_ptr<::Media::Streaming::Document> shared);
+	void handleStreamingUpdate(::Media::Streaming::Update &&update);
+	void handleStreamingError(::Media::Streaming::Error &&error);
+	void streamingReady(::Media::Streaming::Information &&info);
+	void startStreamedPlayer();
 
 	void setupEmojiPanel();
 	void updateEmojiPanelGeometry();
@@ -86,7 +106,8 @@ private:
 
 	not_null<Window::SessionController*> _controller;
 	FullMsgId _msgId;
-	Image *_thumbnailImage = nullptr;
+	std::shared_ptr<Data::PhotoMedia> _photoMedia;
+	std::shared_ptr<Data::DocumentMedia> _documentMedia;
 	bool _thumbnailImageLoaded = false;
 	Fn<void()> _refreshThumbnail;
 	bool _animated = false;
@@ -94,7 +115,7 @@ private:
 	bool _doc = false;
 
 	QPixmap _thumb;
-	Media::Clip::ReaderPointer _gifPreview;
+	std::unique_ptr<::Media::Streaming::Instance> _streamed;
 
 	object_ptr<Ui::InputField> _field = { nullptr };
 	object_ptr<Ui::EmojiButton> _emojiToggle = { nullptr };

Telegram/SourceFiles/boxes/filters/edit_filter_box.cpp

@@ -78,6 +78,7 @@ private:
 	};
 	struct PeerButton {
 		not_null<History*> history;
+		std::shared_ptr<Data::CloudImageView> userpic;
 		Button button;
 	};
 
@@ -184,9 +185,10 @@ void FilterChatsPreview::updateData(
 		}
 	}
 	for (const auto history : peers) {
-		_removePeer.push_back({
-			history,
-			makeButton([=] { removePeer(history); }) });
+		_removePeer.push_back(PeerButton{
+			.history = history,
+			.button = makeButton([=] { removePeer(history); })
+		});
 	}
 	refresh();
 }
@@ -203,7 +205,7 @@ int FilterChatsPreview::resizeGetHeight(int newWidth) {
 	for (const auto &[flag, button] : _removeFlag) {
 		moveNextButton(button.get());
 	}
-	for (const auto &[history, button] : _removePeer) {
+	for (const auto &[history, userpic, button] : _removePeer) {
 		moveNextButton(button.get());
 	}
 	return top;
@@ -235,7 +237,7 @@ void FilterChatsPreview::paintEvent(QPaintEvent *e) {
 			FilterChatsTypeName(flag));
 		top += st.height;
 	}
-	for (const auto &[history, button] : _removePeer) {
+	for (auto &[history, userpic, button] : _removePeer) {
 		const auto savedMessages = history->peer->isSelf();
 		if (savedMessages) {
 			Ui::EmptyUserpic::PaintSavedMessages(
@@ -253,6 +255,7 @@ void FilterChatsPreview::paintEvent(QPaintEvent *e) {
 		} else {
 			history->peer->paintUserpicLeft(
 				p,
+				userpic,
 				iconLeft,
 				top + iconTop,
 				width(),

Telegram/SourceFiles/boxes/filters/edit_filter_chats_list.cpp

@@ -180,11 +180,12 @@ QString ExceptionRow::generateShortName() {
 PaintRoundImageCallback ExceptionRow::generatePaintUserpicCallback() {
 	const auto peer = this->peer();
 	const auto saved = peer->isSelf();
-	return [=](Painter &p, int x, int y, int outerWidth, int size) {
+	auto userpic = saved ? nullptr : ensureUserpicView();
+	return [=](Painter &p, int x, int y, int outerWidth, int size) mutable {
 		if (saved) {
 			Ui::EmptyUserpic::PaintSavedMessages(p, x, y, outerWidth, size);
 		} else {
-			peer->paintUserpicLeft(p, x, y, outerWidth, size);
+			peer->paintUserpicLeft(p, userpic, x, y, outerWidth, size);
 		}
 	};
 }

Telegram/SourceFiles/boxes/peer_list_box.cpp

@@ -41,8 +41,9 @@ PaintRoundImageCallback PaintUserpicCallback(
 			Ui::EmptyUserpic::PaintSavedMessages(p, x, y, outerWidth, size);
 		};
 	}
-	return [=](Painter &p, int x, int y, int outerWidth, int size) {
-		peer->paintUserpicLeft(p, x, y, outerWidth, size);
+	auto userpic = std::shared_ptr<Data::CloudImageView>();
+	return [=](Painter &p, int x, int y, int outerWidth, int size) mutable {
+		peer->paintUserpicLeft(p, userpic, x, y, outerWidth, size);
 	};
 }
 
@@ -483,14 +484,22 @@ QString PeerListRow::generateShortName() {
 		: peer()->shortName();
 }
 
+std::shared_ptr<Data::CloudImageView> PeerListRow::ensureUserpicView() {
+	if (!_userpic) {
+		_userpic = peer()->createUserpicView();
+	}
+	return _userpic;
+}
+
 PaintRoundImageCallback PeerListRow::generatePaintUserpicCallback() {
 	const auto saved = _isSavedMessagesChat;
 	const auto peer = this->peer();
-	return [=](Painter &p, int x, int y, int outerWidth, int size) {
+	auto userpic = saved ? nullptr : ensureUserpicView();
+	return [=](Painter &p, int x, int y, int outerWidth, int size) mutable {
 		if (saved) {
 			Ui::EmptyUserpic::PaintSavedMessages(p, x, y, outerWidth, size);
 		} else {
-			peer->paintUserpicLeft(p, x, y, outerWidth, size);
+			peer->paintUserpicLeft(p, userpic, x, y, outerWidth, size);
 		}
 	};
 }
@@ -595,7 +604,7 @@ void PeerListRow::paintDisabledCheckUserpic(
 	if (_isSavedMessagesChat) {
 		Ui::EmptyUserpic::PaintSavedMessages(p, userpicLeft, userpicTop, outerWidth, userpicRadius * 2);
 	} else {
-		peer()->paintUserpicLeft(p, userpicLeft, userpicTop, outerWidth, userpicRadius * 2);
+		peer()->paintUserpicLeft(p, _userpic, userpicLeft, userpicTop, outerWidth, userpicRadius * 2);
 	}
 
 	{

Telegram/SourceFiles/boxes/peer_list_box.h

@@ -7,11 +7,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#include <rpl/event_stream.h>
 #include "ui/rp_widget.h"
 #include "ui/empty_userpic.h"
 #include "boxes/abstract_box.h"
 #include "mtproto/sender.h"
+#include "data/data_cloud_file.h"
 #include "base/timer.h"
 
 namespace style {
@@ -85,6 +85,8 @@ public:
 		return _id;
 	}
 
+	[[nodiscard]] std::shared_ptr<Data::CloudImageView> ensureUserpicView();
+
 	[[nodiscard]] virtual QString generateName();
 	[[nodiscard]] virtual QString generateShortName();
 	[[nodiscard]] virtual auto generatePaintUserpicCallback()
@@ -223,6 +225,7 @@ private:
 
 	PeerListRowId _id = 0;
 	PeerData *_peer = nullptr;
+	mutable std::shared_ptr<Data::CloudImageView> _userpic;
 	std::unique_ptr<Ui::RippleAnimation> _ripple;
 	std::unique_ptr<Ui::RoundImageCheckbox> _checkbox;
 	Ui::Text::String _name;

Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp

@@ -354,6 +354,16 @@ bool ParticipantsAdditionalData::canRestrictUser(
 	Unexpected("Peer in ParticipantsAdditionalData::canRestrictUser.");
 }
 
+bool ParticipantsAdditionalData::canRemoveUser(
+		not_null<UserData*> user) const {
+	if (canRestrictUser(user)) {
+		return true;
+	} else if (const auto chat = _peer->asChat()) {
+		return chat->invitedByMe.contains(user);
+	}
+	return false;
+}
+
 auto ParticipantsAdditionalData::adminRights(
 	not_null<UserData*> user) const
 -> std::optional<MTPChatAdminRights> {
@@ -1436,6 +1446,8 @@ base::unique_qptr<Ui::PopupMenu> ParticipantsBoxController::rowContextMenu(
 				tr::lng_context_restrict_user(tr::now),
 				crl::guard(this, [=] { showRestricted(user); }));
 		}
+	}
+	if (_additional.canRemoveUser(user)) {
 		if (!_additional.isKicked(user)) {
 			const auto isGroup = _peer->isChat() || _peer->isMegagroup();
 			result->addAction(
@@ -1806,7 +1818,7 @@ auto ParticipantsBoxController::computeType(
 		: _additional.adminRights(user).has_value()
 		? Rights::Admin
 		: Rights::Normal;
-	result.canRemove = _additional.canRestrictUser(user);
+	result.canRemove = _additional.canRemoveUser(user);
 	return result;
 }
 

Telegram/SourceFiles/boxes/peers/edit_participants_box.h

@@ -88,6 +88,7 @@ public:
 	[[nodiscard]] bool canEditAdmin(not_null<UserData*> user) const;
 	[[nodiscard]] bool canAddOrEditAdmin(not_null<UserData*> user) const;
 	[[nodiscard]] bool canRestrictUser(not_null<UserData*> user) const;
+	[[nodiscard]] bool canRemoveUser(not_null<UserData*> user) const;
 	[[nodiscard]] std::optional<MTPChatAdminRights> adminRights(
 		not_null<UserData*> user) const;
 	QString adminRank(not_null<UserData*> user) const;

Telegram/SourceFiles/boxes/send_files_box.cpp

@@ -888,7 +888,6 @@ void SingleMediaPreview::prepareAnimatedPreview(
 		_gifPreview = Media::Clip::MakeReader(
 			animatedPreviewPath,
 			std::move(callback));
-		if (_gifPreview) _gifPreview->setAutoplay();
 	}
 }
 

Telegram/SourceFiles/boxes/sticker_set_box.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_document.h"
 #include "data/data_session.h"
 #include "data/data_file_origin.h"
+#include "data/data_document_media.h"
 #include "lang/lang_keys.h"
 #include "chat_helpers/stickers.h"
 #include "boxes/confirm_box.h"
@@ -20,6 +21,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/scroll_area.h"
 #include "ui/image/image.h"
+#include "ui/image/image_location_factory.h"
 #include "ui/text/text_utilities.h"
 #include "ui/emoji_config.h"
 #include "lottie/lottie_multi_player.h"
@@ -72,6 +74,7 @@ protected:
 private:
 	struct Element {
 		not_null<DocumentData*> document;
+		std::shared_ptr<Data::DocumentMedia> documentMedia;
 		Lottie::Animation *animated = nullptr;
 		Ui::Animations::Simple overAnimation;
 	};
@@ -113,7 +116,7 @@ private:
 	int32 _setHash = 0;
 	MTPDstickerSet::Flags _setFlags = 0;
 	TimeId _setInstallDate = TimeId(0);
-	ImagePtr _setThumbnail;
+	ImageWithLocation _setThumbnail;
 
 	MTPInputStickerSet _input;
 
@@ -267,7 +270,7 @@ void StickerSetBox::Inner::gotSet(const MTPmessages_StickerSet &set) {
 				continue;
 			}
 			_pack.push_back(document);
-			_elements.push_back({ document });
+			_elements.push_back({ document, document->createMediaView() });
 		}
 		for (const auto &pack : data.vpacks().v) {
 			pack.match([&](const MTPDstickerPack &pack) {
@@ -297,25 +300,29 @@ void StickerSetBox::Inner::gotSet(const MTPmessages_StickerSet &set) {
 			_setFlags = set.vflags().v;
 			_setInstallDate = set.vinstalled_date().value_or(0);
 			if (const auto thumb = set.vthumb()) {
-				_setThumbnail = Images::Create(set, *thumb);
+				_setThumbnail = Images::FromPhotoSize(
+					&_controller->session(),
+					set,
+					*thumb);
 			} else {
-				_setThumbnail = ImagePtr();
+				_setThumbnail = ImageWithLocation();
 			}
-			auto &sets = _controller->session().data().stickerSetsRef();
+			const auto &sets = _controller->session().data().stickerSets();
 			const auto it = sets.find(_setId);
 			if (it != sets.cend()) {
+				const auto set = it->second.get();
 				using ClientFlag = MTPDstickerSet_ClientFlag;
-				const auto clientFlags = it->flags
+				const auto clientFlags = set->flags
 					& (ClientFlag::f_featured
 						| ClientFlag::f_not_loaded
 						| ClientFlag::f_unread
 						| ClientFlag::f_special);
 				_setFlags |= clientFlags;
-				it->flags = _setFlags;
-				it->installDate = _setInstallDate;
-				it->stickers = _pack;
-				it->emoji = _emoji;
-				it->thumbnail = _setThumbnail;
+				set->flags = _setFlags;
+				set->installDate = _setInstallDate;
+				set->stickers = _pack;
+				set->emoji = _emoji;
+				set->setThumbnail(_setThumbnail);
 			}
 		});
 	});
@@ -357,9 +364,10 @@ void StickerSetBox::Inner::installDone(
 	_setFlags |= MTPDstickerSet::Flag::f_installed_date;
 	auto it = sets.find(_setId);
 	if (it == sets.cend()) {
-		it = sets.insert(
+		it = sets.emplace(
 			_setId,
-			Stickers::Set(
+			std::make_unique<Stickers::Set>(
+				&_controller->session().data(),
 				_setId,
 				_setAccess,
 				_setTitle,
@@ -367,14 +375,15 @@ void StickerSetBox::Inner::installDone(
 				_setCount,
 				_setHash,
 				_setFlags,
-				_setInstallDate,
-				_setThumbnail));
+				_setInstallDate)).first;
 	} else {
-		it->flags = _setFlags;
-		it->installDate = _setInstallDate;
+		it->second->flags = _setFlags;
+		it->second->installDate = _setInstallDate;
 	}
-	it->stickers = _pack;
-	it->emoji = _emoji;
+	const auto set = it->second.get();
+	set->setThumbnail(_setThumbnail);
+	set->stickers = _pack;
+	set->emoji = _emoji;
 
 	auto &order = _controller->session().data().stickerSetsOrderRef();
 	int insertAtIndex = 0, currentIndex = order.indexOf(_setId);
@@ -385,14 +394,15 @@ void StickerSetBox::Inner::installDone(
 		order.insert(insertAtIndex, _setId);
 	}
 
-	auto custom = sets.find(Stickers::CustomSetId);
-	if (custom != sets.cend()) {
-		for_const (auto sticker, _pack) {
+	const auto customIt = sets.find(Stickers::CustomSetId);
+	if (customIt != sets.cend()) {
+		const auto custom = customIt->second.get();
+		for (const auto sticker : std::as_const(_pack)) {
 			int removeIndex = custom->stickers.indexOf(sticker);
 			if (removeIndex >= 0) custom->stickers.removeAt(removeIndex);
 		}
 		if (custom->stickers.isEmpty()) {
-			sets.erase(custom);
+			sets.erase(customIt);
 		}
 	}
 
@@ -602,7 +612,7 @@ void StickerSetBox::Inner::setupLottie(int index) {
 
 	element.animated = Stickers::LottieAnimationFromDocument(
 		getLottiePlayer(),
-		document,
+		element.documentMedia.get(),
 		Stickers::LottieSize::StickerSet,
 		boundingBoxSize() * cIntRetinaFactor());
 }
@@ -621,11 +631,12 @@ void StickerSetBox::Inner::paintSticker(
 
 	const auto &element = _elements[index];
 	const auto document = element.document;
-	document->checkStickerSmall();
+	const auto &media = element.documentMedia;
+	media->checkStickerSmall();
 
 	if (document->sticker()->animated
 		&& !element.animated
-		&& document->loaded()) {
+		&& media->loaded()) {
 		const_cast<Inner*>(this)->setupLottie(index);
 	}
 
@@ -650,11 +661,11 @@ void StickerSetBox::Inner::paintSticker(
 			frame);
 
 		_lottiePlayer->unpause(element.animated);
-	} else if (const auto image = document->getStickerSmall()) {
+	} else if (const auto image = media->getStickerSmall()) {
 		p.drawPixmapLeft(
 			ppos,
 			width(),
-			image->pix(document->stickerSetOrigin(), w, h));
+			image->pix(w, h));
 	}
 }
 
@@ -666,10 +677,11 @@ bool StickerSetBox::Inner::notInstalled() const {
 	if (!_loaded) {
 		return false;
 	}
-	const auto it = _controller->session().data().stickerSets().constFind(_setId);
-	if ((it == _controller->session().data().stickerSets().cend())
-		|| !(it->flags & MTPDstickerSet::Flag::f_installed_date)
-		|| (it->flags & MTPDstickerSet::Flag::f_archived)) {
+	const auto &sets = _controller->session().data().stickerSets();
+	const auto it = sets.find(_setId);
+	if ((it == sets.cend())
+		|| !(it->second->flags & MTPDstickerSet::Flag::f_installed_date)
+		|| (it->second->flags & MTPDstickerSet::Flag::f_archived)) {
 		return !_pack.empty();
 	}
 	return false;

Telegram/SourceFiles/boxes/stickers_box.cpp

@@ -11,6 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_channel.h"
 #include "data/data_file_origin.h"
+#include "data/data_document_media.h"
 #include "core/application.h"
 #include "lang/lang_keys.h"
 #include "mainwidget.h"
@@ -165,7 +166,7 @@ void StickersBox::showAttachedStickers() {
 		});
 
 		if (const auto set = Stickers::FeedSet(*setData)) {
-			if (_attached.widget()->appendSet(*set)) {
+			if (_attached.widget()->appendSet(set)) {
 				addedSet = true;
 				if (set->stickers.isEmpty() || (set->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
 					_session->api().scheduleStickerSetRequest(set->id, set->access);
@@ -220,8 +221,8 @@ void StickersBox::getArchivedDone(uint64 offsetId, const MTPmessages_ArchivedSti
 		}
 		if (!setData) continue;
 
-		if (auto set = Stickers::FeedSet(*setData)) {
-			auto index = archived.indexOf(set->id);
+		if (const auto set = Stickers::FeedSet(*setData)) {
+			const auto index = archived.indexOf(set->id);
 			if (archived.isEmpty() || index != archived.size() - 1) {
 				changedSets = true;
 				if (index < archived.size() - 1) {
@@ -229,7 +230,7 @@ void StickersBox::getArchivedDone(uint64 offsetId, const MTPmessages_ArchivedSti
 				}
 				archived.push_back(set->id);
 			}
-			if (_archived.widget()->appendSet(*set)) {
+			if (_archived.widget()->appendSet(set)) {
 				addedSet = true;
 				if (set->stickers.isEmpty() || (set->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
 					_session->api().scheduleStickerSetRequest(set->id, set->access);
@@ -373,17 +374,24 @@ void StickersBox::loadMoreArchived() {
 	}
 
 	uint64 lastId = 0;
-	for (auto setIt = _session->data().archivedStickerSetsOrder().cend(), e = _session->data().archivedStickerSetsOrder().cbegin(); setIt != e;) {
+	const auto &order = _session->data().archivedStickerSetsOrder();
+	const auto &sets = _session->data().stickerSets();
+	for (auto setIt = order.cend(), e = order.cbegin(); setIt != e;) {
 		--setIt;
-		auto it = _session->data().stickerSets().constFind(*setIt);
-		if (it != _session->data().stickerSets().cend()) {
-			if (it->flags & MTPDstickerSet::Flag::f_archived) {
-				lastId = it->id;
+		auto it = sets.find(*setIt);
+		if (it != sets.cend()) {
+			if (it->second->flags & MTPDstickerSet::Flag::f_archived) {
+				lastId = it->second->id;
 				break;
 			}
 		}
 	}
-	_archivedRequestId = MTP::send(MTPmessages_GetArchivedStickers(MTP_flags(0), MTP_long(lastId), MTP_int(kArchivedLimitPerPage)), rpcDone(&StickersBox::getArchivedDone, lastId));
+	_archivedRequestId = MTP::send(
+		MTPmessages_GetArchivedStickers(
+			MTP_flags(0),
+			MTP_long(lastId),
+			MTP_int(kArchivedLimitPerPage)),
+		rpcDone(&StickersBox::getArchivedDone, lastId));
 }
 
 void StickersBox::paintEvent(QPaintEvent *e) {
@@ -489,13 +497,14 @@ QPixmap StickersBox::grabContentCache() {
 }
 
 void StickersBox::installSet(uint64 setId) {
-	auto &sets = _session->data().stickerSetsRef();
-	auto it = sets.find(setId);
+	const auto &sets = _session->data().stickerSets();
+	const auto it = sets.find(setId);
 	if (it == sets.cend()) {
 		rebuildList();
 		return;
 	}
 
+	const auto set = it->second.get();
 	if (_localRemoved.contains(setId)) {
 		_localRemoved.removeOne(setId);
 		if (_installed.widget()) _installed.widget()->setRemovedSets(_localRemoved);
@@ -503,11 +512,11 @@ void StickersBox::installSet(uint64 setId) {
 		if (_archived.widget()) _archived.widget()->setRemovedSets(_localRemoved);
 		if (_attached.widget()) _attached.widget()->setRemovedSets(_localRemoved);
 	}
-	if (!(it->flags & MTPDstickerSet::Flag::f_installed_date)
-		|| (it->flags & MTPDstickerSet::Flag::f_archived)) {
+	if (!(set->flags & MTPDstickerSet::Flag::f_installed_date)
+		|| (set->flags & MTPDstickerSet::Flag::f_archived)) {
 		MTP::send(
 			MTPmessages_InstallStickerSet(
-				Stickers::inputSetId(*it),
+				set->mtpInput(),
 				MTP_boolFalse()),
 			rpcDone(&StickersBox::installDone),
 			rpcFail(&StickersBox::installFail, setId));
@@ -526,8 +535,8 @@ void StickersBox::installDone(const MTPmessages_StickerSetInstallResult &result)
 bool StickersBox::installFail(uint64 setId, const RPCError &error) {
 	if (MTP::isDefaultHandledError(error)) return false;
 
-	auto &sets = _session->data().stickerSetsRef();
-	auto it = sets.find(setId);
+	const auto &sets = _session->data().stickerSets();
+	const auto it = sets.find(setId);
 	if (it == sets.cend()) {
 		rebuildList();
 		return true;
@@ -550,12 +559,14 @@ void StickersBox::requestArchivedSets() {
 		preloadArchivedSets();
 	}
 
-	auto &sets = _session->data().stickerSets();
-	for_const (auto setId, _session->data().archivedStickerSetsOrder()) {
-		auto it = sets.constFind(setId);
+	const auto &sets = _session->data().stickerSets();
+	const auto &order = _session->data().archivedStickerSetsOrder();
+	for (const auto setId : order) {
+		auto it = sets.find(setId);
 		if (it != sets.cend()) {
-			if (it->stickers.isEmpty() && (it->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
-				_session->api().scheduleStickerSetRequest(setId, it->access);
+			const auto set = it->second.get();
+			if (set->stickers.isEmpty() && (set->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
+				_session->api().scheduleStickerSetRequest(setId, set->access);
 			}
 		}
 	}
@@ -624,9 +635,7 @@ void StickersBox::setInnerFocus() {
 StickersBox::~StickersBox() = default;
 
 StickersBox::Inner::Row::Row(
-	uint64 id,
-	uint64 accessHash,
-	ImagePtr thumbnail,
+	not_null<Stickers::Set*> set,
 	DocumentData *sticker,
 	int32 count,
 	const QString &title,
@@ -638,9 +647,7 @@ StickersBox::Inner::Row::Row(
 	bool removed,
 	int32 pixw,
 	int32 pixh)
-: id(id)
-, accessHash(accessHash)
-, thumbnail(thumbnail)
+: set(set)
 , sticker(sticker)
 , count(count)
 , title(title)
@@ -656,6 +663,10 @@ StickersBox::Inner::Row::Row(
 
 StickersBox::Inner::Row::~Row() = default;
 
+bool StickersBox::Inner::Row::isRecentSet() const {
+	return (set->id == Stickers::CloudRecentSetId);
+}
+
 StickersBox::Inner::Inner(
 	QWidget *parent,
 	not_null<Main::Session*> session,
@@ -804,8 +815,8 @@ QRect StickersBox::Inner::relativeButtonRect(bool removeButton) const {
 	return QRect(buttonx, buttony, buttonw, buttonh);
 }
 
-void StickersBox::Inner::paintRow(Painter &p, not_null<Row*> set, int index) {
-	auto xadd = 0, yadd = qRound(set->yadd.current());
+void StickersBox::Inner::paintRow(Painter &p, not_null<Row*> row, int index) {
+	auto xadd = 0, yadd = qRound(row->yadd.current());
 	if (xadd || yadd) p.translate(xadd, yadd);
 
 	if (_megagroupSet) {
@@ -817,8 +828,8 @@ void StickersBox::Inner::paintRow(Painter &p, not_null<Row*> set, int index) {
 		}();
 		if (index >= 0 && index == selectedIndex) {
 			p.fillRect(0, 0, width(), _rowHeight, st::contactsBgOver);
-			if (set->ripple) {
-				set->ripple->paint(p, 0, 0, width());
+			if (row->ripple) {
+				row->ripple->paint(p, 0, 0, width());
 			}
 		}
 	}
@@ -833,24 +844,24 @@ void StickersBox::Inner::paintRow(Painter &p, not_null<Row*> set, int index) {
 					current = reachedOpacity;
 				}
 			}
-			auto row = myrtlrect(st::contactsPadding.left() / 2, st::contactsPadding.top() / 2, width() - (st::contactsPadding.left() / 2) - _scrollbar - st::contactsPadding.left() / 2, _rowHeight - ((st::contactsPadding.top() + st::contactsPadding.bottom()) / 2));
+			auto rect = myrtlrect(st::contactsPadding.left() / 2, st::contactsPadding.top() / 2, width() - (st::contactsPadding.left() / 2) - _scrollbar - st::contactsPadding.left() / 2, _rowHeight - ((st::contactsPadding.top() + st::contactsPadding.bottom()) / 2));
 			p.setOpacity(current);
-			Ui::Shadow::paint(p, row, width(), st::boxRoundShadow);
+			Ui::Shadow::paint(p, rect, width(), st::boxRoundShadow);
 			p.setOpacity(1);
 
-			App::roundRect(p, row, st::boxBg, BoxCorners);
+			App::roundRect(p, rect, st::boxBg, BoxCorners);
 
 			p.setOpacity(1. - current);
-			paintFakeButton(p, set, index);
+			paintFakeButton(p, row, index);
 			p.setOpacity(1.);
 		} else if (!_megagroupSet) {
-			paintFakeButton(p, set, index);
+			paintFakeButton(p, row, index);
 		}
 	} else if (!_megagroupSet) {
-		paintFakeButton(p, set, index);
+		paintFakeButton(p, row, index);
 	}
 
-	if (set->removed && _section == Section::Installed) {
+	if (row->removed && _section == Section::Installed) {
 		p.setOpacity(st::stickersRowDisabledOpacity);
 	}
 
@@ -858,13 +869,13 @@ void StickersBox::Inner::paintRow(Painter &p, not_null<Row*> set, int index) {
 
 	if (!_megagroupSet && _section == Section::Installed) {
 		stickerx += st::stickersReorderIcon.width() + st::stickersReorderSkip;
-		if (!set->isRecentSet()) {
+		if (!row->isRecentSet()) {
 			st::stickersReorderIcon.paint(p, st::contactsPadding.left(), (_rowHeight - st::stickersReorderIcon.height()) / 2, width());
 		}
 	}
 
-	if (set->sticker) {
-		paintRowThumbnail(p, set, stickerx);
+	if (row->sticker) {
+		paintRowThumbnail(p, row, stickerx);
 	}
 
 	int namex = stickerx + st::contactsPhotoSize + st::contactsPadding.left();
@@ -875,19 +886,19 @@ void StickersBox::Inner::paintRow(Painter &p, not_null<Row*> set, int index) {
 
 	p.setFont(st::contactsNameStyle.font);
 	p.setPen(st::contactsNameFg);
-	p.drawTextLeft(namex, namey, width(), set->title, set->titleWidth);
+	p.drawTextLeft(namex, namey, width(), row->title, row->titleWidth);
 
-	if (set->unread) {
+	if (row->unread) {
 		p.setPen(Qt::NoPen);
 		p.setBrush(st::stickersFeaturedUnreadBg);
 
 		{
 			PainterHighQualityEnabler hq(p);
-			p.drawEllipse(style::rtlrect(namex + set->titleWidth + st::stickersFeaturedUnreadSkip, namey + st::stickersFeaturedUnreadTop, st::stickersFeaturedUnreadSize, st::stickersFeaturedUnreadSize, width()));
+			p.drawEllipse(style::rtlrect(namex + row->titleWidth + st::stickersFeaturedUnreadSkip, namey + st::stickersFeaturedUnreadTop, st::stickersFeaturedUnreadSize, st::stickersFeaturedUnreadSize, width()));
 		}
 	}
 
-	auto statusText = (set->count > 0) ? tr::lng_stickers_count(tr::now, lt_count, set->count) : tr::lng_contacts_loading(tr::now);
+	auto statusText = (row->count > 0) ? tr::lng_stickers_count(tr::now, lt_count, row->count) : tr::lng_contacts_loading(tr::now);
 
 	p.setFont(st::contactsStatusFont);
 	p.setPen(st::contactsStatusFg);
@@ -899,30 +910,39 @@ void StickersBox::Inner::paintRow(Painter &p, not_null<Row*> set, int index) {
 
 void StickersBox::Inner::paintRowThumbnail(
 		Painter &p,
-		not_null<Row*> set,
+		not_null<Row*> row,
 		int left) {
 	const auto origin = Data::FileOriginStickerSet(
-		set->id,
-		set->accessHash);
-	const auto thumb = set->thumbnail
-		? set->thumbnail.get()
-		: set->sticker->thumbnail();
-	if (!thumb) {
-		return;
+		row->set->id,
+		row->set->access);
+	if (row->set->hasThumbnail()) {
+		if (!row->thumbnailMedia) {
+			row->thumbnailMedia = row->set->createThumbnailView();
+			row->set->loadThumbnail();
+		}
+	} else if (row->sticker) {
+		if (!row->stickerMedia) {
+			row->stickerMedia = row->sticker->createMediaView();
+			row->stickerMedia->thumbnailWanted(origin);
+		}
 	}
-	thumb->load(origin);
-	validateLottieAnimation(set);
-	if (!set->lottie) {
-		if (!thumb->loaded()) {
+	validateLottieAnimation(row);
+	if (!row->lottie) {
+		const auto thumb = row->thumbnailMedia
+			? row->thumbnailMedia->image()
+			: row->stickerMedia
+			? row->stickerMedia->thumbnail()
+			: nullptr;
+		if (!thumb) {
 			return;
 		}
 		p.drawPixmapLeft(
-			left + (st::contactsPhotoSize - set->pixw) / 2,
-			st::contactsPadding.top() + (st::contactsPhotoSize - set->pixh) / 2,
+			left + (st::contactsPhotoSize - row->pixw) / 2,
+			st::contactsPadding.top() + (st::contactsPhotoSize - row->pixh) / 2,
 			width(),
-			thumb->pix(origin, set->pixw, set->pixh));
-	} else if (set->lottie->ready()) {
-		const auto frame = set->lottie->frame();
+			thumb->pix(row->pixw, row->pixh));
+	} else if (row->lottie->ready()) {
+		const auto frame = row->lottie->frame();
 		const auto size = frame.size() / cIntRetinaFactor();
 		p.drawImage(
 			QRect(
@@ -935,19 +955,21 @@ void StickersBox::Inner::paintRowThumbnail(
 		const auto paused = controller->isGifPausedAtLeastFor(
 			Window::GifPauseReason::Layer);
 		if (!paused) {
-			set->lottie->markFrameShown();
+			row->lottie->markFrameShown();
 		}
 	}
 }
 
-void StickersBox::Inner::validateLottieAnimation(not_null<Row*> set) {
-	if (set->lottie
-		|| !Stickers::HasLottieThumbnail(set->thumbnail, set->sticker)) {
+void StickersBox::Inner::validateLottieAnimation(not_null<Row*> row) {
+	if (row->lottie
+		|| !Stickers::HasLottieThumbnail(
+			row->thumbnailMedia.get(),
+			row->stickerMedia.get())) {
 		return;
 	}
 	auto player = Stickers::LottieThumbnail(
-		set->thumbnail,
-		set->sticker,
+		row->thumbnailMedia.get(),
+		row->stickerMedia.get(),
 		Stickers::LottieSize::SetsListThumbnail,
 		QSize(
 			st::contactsPhotoSize,
@@ -955,21 +977,21 @@ void StickersBox::Inner::validateLottieAnimation(not_null<Row*> set) {
 	if (!player) {
 		return;
 	}
-	set->lottie = std::move(player);
-	set->lottie->updates(
+	row->lottie = std::move(player);
+	row->lottie->updates(
 	) | rpl::start_with_next([=] {
-		updateRowThumbnail(set);
+		updateRowThumbnail(row);
 	}, lifetime());
 }
 
-void StickersBox::Inner::updateRowThumbnail(not_null<Row*> set) {
+void StickersBox::Inner::updateRowThumbnail(not_null<Row*> row) {
 	const auto rowTop = [&] {
-		if (set == _megagroupSelectedSet.get()) {
+		if (row == _megagroupSelectedSet.get()) {
 			return _megagroupDivider->y() - _rowHeight;
 		}
 		auto top = _itemsTop;
-		for (const auto &row : _rows) {
-			if (row.get() == set) {
+		for (const auto &entry : _rows) {
+			if (entry.get() == row) {
 				return top + qRound(row->yadd.current());
 			}
 			top += _rowHeight;
@@ -987,10 +1009,10 @@ void StickersBox::Inner::updateRowThumbnail(not_null<Row*> set) {
 		st::contactsPhotoSize);
 }
 
-void StickersBox::Inner::paintFakeButton(Painter &p, not_null<Row*> set, int index) {
-	auto removeButton = (_section == Section::Installed && !set->removed);
+void StickersBox::Inner::paintFakeButton(Painter &p, not_null<Row*> row, int index) {
+	auto removeButton = (_section == Section::Installed && !row->removed);
 	auto rect = relativeButtonRect(removeButton);
-	if (_section != Section::Installed && set->installed && !set->archived && !set->removed) {
+	if (_section != Section::Installed && row->installed && !row->archived && !row->removed) {
 		// Checkbox after installed from Trending or Archived.
 		int checkx = width() - (st::contactsPadding.right() + st::contactsCheckPosition.x() + (rect.width() + st::stickersFeaturedInstalled.width()) / 2);
 		int checky = st::contactsPadding.top() + (st::contactsPhotoSize - st::stickersFeaturedInstalled.height()) / 2;
@@ -999,10 +1021,10 @@ void StickersBox::Inner::paintFakeButton(Painter &p, not_null<Row*> set, int ind
 		auto selected = (index == _actionSel && _actionDown < 0) || (index == _actionDown);
 		if (removeButton) {
 			// Trash icon button when not disabled in Installed.
-			if (set->ripple) {
-				set->ripple->paint(p, rect.x(), rect.y(), width());
-				if (set->ripple->empty()) {
-					set->ripple.reset();
+			if (row->ripple) {
+				row->ripple->paint(p, rect.x(), rect.y(), width());
+				if (row->ripple->empty()) {
+					row->ripple.reset();
 				}
 			}
 			auto &icon = selected ? st::stickersRemove.iconOver : st::stickersRemove.icon;
@@ -1018,10 +1040,10 @@ void StickersBox::Inner::paintFakeButton(Painter &p, not_null<Row*> set, int ind
 			auto &text = (_section == Section::Installed) ? _undoText : _addText;
 			auto &textBg = selected ? st.textBgOver : st.textBg;
 			App::roundRect(p, myrtlrect(rect), textBg, ImageRoundRadius::Small);
-			if (set->ripple) {
-				set->ripple->paint(p, rect.x(), rect.y(), width());
-				if (set->ripple->empty()) {
-					set->ripple.reset();
+			if (row->ripple) {
+				row->ripple->paint(p, rect.x(), rect.y(), width());
+				if (row->ripple->empty()) {
+					row->ripple.reset();
 				}
 			}
 			p.setFont(st.font);
@@ -1054,19 +1076,19 @@ void StickersBox::Inner::setActionDown(int newActionDown) {
 	}
 	if (_actionDown >= 0 && _actionDown < _rows.size()) {
 		update(0, _itemsTop + _actionDown * _rowHeight, width(), _rowHeight);
-		auto &set = _rows[_actionDown];
-		if (set->ripple) {
-			set->ripple->lastStop();
+		const auto row = _rows[_actionDown].get();
+		if (row->ripple) {
+			row->ripple->lastStop();
 		}
 	}
 	_actionDown = newActionDown;
 	if (_actionDown >= 0 && _actionDown < _rows.size()) {
 		update(0, _itemsTop + _actionDown * _rowHeight, width(), _rowHeight);
-		auto &set = _rows[_actionDown];
-		auto removeButton = (_section == Section::Installed && !set->removed);
-		if (!set->ripple) {
+		const auto row = _rows[_actionDown].get();
+		auto removeButton = (_section == Section::Installed && !row->removed);
+		if (!row->ripple) {
 			if (_section == Section::Installed) {
-				if (set->removed) {
+				if (row->removed) {
 					auto rippleSize = QSize(_undoWidth - st::stickersUndoRemove.width, st::stickersUndoRemove.height);
 					auto rippleMask = Ui::RippleAnimation::roundRectMask(rippleSize, st::buttonRadius);
 					ensureRipple(st::stickersUndoRemove.ripple, std::move(rippleMask), removeButton);
@@ -1075,15 +1097,15 @@ void StickersBox::Inner::setActionDown(int newActionDown) {
 					auto rippleMask = Ui::RippleAnimation::ellipseMask(QSize(rippleSize, rippleSize));
 					ensureRipple(st::stickersRemove.ripple, std::move(rippleMask), removeButton);
 				}
-			} else if (!set->installed || set->archived || set->removed) {
+			} else if (!row->installed || row->archived || row->removed) {
 				auto rippleSize = QSize(_addWidth - st::stickersTrendingAdd.width, st::stickersTrendingAdd.height);
 				auto rippleMask = Ui::RippleAnimation::roundRectMask(rippleSize, st::buttonRadius);
 				ensureRipple(st::stickersTrendingAdd.ripple, std::move(rippleMask), removeButton);
 			}
 		}
-		if (set->ripple) {
+		if (row->ripple) {
 			auto rect = relativeButtonRect(removeButton);
-			set->ripple->add(mapFromGlobal(QCursor::pos()) - QPoint(myrtlrect(rect).x(), _itemsTop + _actionDown * _rowHeight + rect.y()));
+			row->ripple->add(mapFromGlobal(QCursor::pos()) - QPoint(myrtlrect(rect).x(), _itemsTop + _actionDown * _rowHeight + rect.y()));
 		}
 	}
 }
@@ -1092,14 +1114,6 @@ void StickersBox::Inner::setSelected(SelectedRow selected) {
 	if (_selected == selected) {
 		return;
 	}
-	if ((_megagroupSet || _section != Section::Installed)
-		&& ((_selected.has_value() || _pressed.has_value()) != (selected.has_value() || _pressed.has_value()))) {
-		if (!_inDragArea) {
-			setCursor((selected.has_value() || _pressed.has_value())
-				? style::cur_pointer
-				: style::cur_default);
-		}
-	}
 	auto countSelectedIndex = [&] {
 		if (auto index = base::get_if<int>(&_selected)) {
 			return *index;
@@ -1111,6 +1125,7 @@ void StickersBox::Inner::setSelected(SelectedRow selected) {
 		update(0, _itemsTop + selectedIndex * _rowHeight, width(), _rowHeight);
 	}
 	_selected = selected;
+	updateCursor();
 	selectedIndex = countSelectedIndex();
 	if (_megagroupSet && selectedIndex >= 0 && selectedIndex < _rows.size()) {
 		update(0, _itemsTop + selectedIndex * _rowHeight, width(), _rowHeight);
@@ -1130,9 +1145,9 @@ void StickersBox::Inner::setPressed(SelectedRow pressed) {
 	auto pressedIndex = countPressedIndex();
 	if (_megagroupSet && pressedIndex >= 0 && pressedIndex < _rows.size()) {
 		update(0, _itemsTop + pressedIndex * _rowHeight, width(), _rowHeight);
-		auto &set = _rows[pressedIndex];
-		if (set->ripple) {
-			set->ripple->lastStop();
+		const auto row = _rows[pressedIndex].get();
+		if (row->ripple) {
+			row->ripple->lastStop();
 		}
 	}
 	_pressed = pressed;
@@ -1216,15 +1231,15 @@ void StickersBox::Inner::onUpdateSelected() {
 			auto selectedIndex = floorclamp(local.y() - _itemsTop, _rowHeight, 0, _rows.size() - 1);
 			selected = selectedIndex;
 			local.setY(local.y() - _itemsTop - selectedIndex * _rowHeight);
-			auto &set = _rows[selectedIndex];
-			if (!_megagroupSet && (_section == Section::Installed || !set->installed || set->archived || set->removed)) {
-				auto removeButton = (_section == Section::Installed && !set->removed);
+			const auto row = _rows[selectedIndex].get();
+			if (!_megagroupSet && (_section == Section::Installed || !row->installed || row->archived || row->removed)) {
+				auto removeButton = (_section == Section::Installed && !row->removed);
 				auto rect = myrtlrect(relativeButtonRect(removeButton));
 				actionSel = rect.contains(local) ? selectedIndex : -1;
 			} else {
 				actionSel = -1;
 			}
-			if (!_megagroupSet && _section == Section::Installed && !set->isRecentSet()) {
+			if (!_megagroupSet && _section == Section::Installed && !row->isRecentSet()) {
 				auto dragAreaWidth = st::contactsPadding.left() + st::stickersReorderIcon.width() + st::stickersReorderSkip;
 				auto dragArea = myrtlrect(0, 0, dragAreaWidth, _rowHeight);
 				inDragArea = dragArea.contains(local);
@@ -1238,17 +1253,25 @@ void StickersBox::Inner::onUpdateSelected() {
 		setSelected(selected);
 		if (_inDragArea != inDragArea) {
 			_inDragArea = inDragArea;
-			setCursor(_inDragArea
-				? style::cur_sizeall
-				: ((_selected.has_value() || _pressed.has_value())
-					? style::cur_pointer
-					: style::cur_default));
+			updateCursor();
 		}
 		setActionSel(actionSel);
 		emit draggingScrollDelta(0);
 	}
 }
 
+void StickersBox::Inner::updateCursor() {
+	setCursor(_inDragArea
+		? style::cur_sizeall
+		: (!_megagroupSet && _section == Section::Installed)
+		? ((_actionSel >= 0 && (_actionDown < 0 || _actionDown == _actionSel))
+			? style::cur_pointer
+			: style::cur_default)
+		: (_selected.has_value() || _pressed.has_value())
+		? style::cur_pointer
+		: style::cur_default);
+}
+
 float64 StickersBox::Inner::aboveShadowOpacity() const {
 	if (_above < 0) return 0;
 
@@ -1260,9 +1283,7 @@ float64 StickersBox::Inner::aboveShadowOpacity() const {
 void StickersBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 	auto pressed = std::exchange(_pressed, SelectedRow());
 
-	if (_section != Section::Installed && !_selected.has_value() && pressed.has_value()) {
-		setCursor(style::cur_default);
-	}
+	updateCursor();
 
 	_mouse = e->globalPos();
 	onUpdateSelected();
@@ -1270,7 +1291,7 @@ void StickersBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 		if (_section == Section::Installed) {
 			setRowRemoved(_actionDown, !_rows[_actionDown]->removed);
 		} else if (_installSetCallback) {
-			_installSetCallback(_rows[_actionDown]->id);
+			_installSetCallback(_rows[_actionDown]->set->id);
 		}
 	} else if (_dragging >= 0) {
 		QPoint local(mapFromGlobal(_mouse));
@@ -1283,42 +1304,28 @@ void StickersBox::Inner::mouseReleaseEvent(QMouseEvent *e) {
 
 		_dragging = _started = -1;
 	} else if (pressed == _selected && _actionSel < 0 && _actionDown < 0) {
-		auto selectedIndex = [&] {
+		const auto selectedIndex = [&] {
 			if (auto index = base::get_if<int>(&_selected)) {
 				return *index;
 			}
 			return -1;
 		}();
-		auto getSetByRow = [&](const Row &row) -> const Stickers::Set* {
-			auto &sets = _session->data().stickerSetsRef();
-			if (!row.isRecentSet()) {
-				auto it = sets.find(row.id);
-				if (it != sets.cend()) {
-					return &*it;
-				}
-			}
-			return nullptr;
-		};
-		auto showSetByRow = [&](const Row &row) {
-			if (auto set = getSetByRow(row)) {
-				setSelected(SelectedRow());
-				Ui::show(
-					Box<StickerSetBox>(
-						App::wnd()->sessionController(),
-						Stickers::inputSetId(*set)),
-					Ui::LayerOption::KeepOther);
-			}
+		const auto showSetByRow = [&](const Row &row) {
+			setSelected(SelectedRow());
+			Ui::show(
+				Box<StickerSetBox>(
+					App::wnd()->sessionController(),
+					row.set->mtpInput()),
+				Ui::LayerOption::KeepOther);
 		};
 		if (selectedIndex >= 0 && !_inDragArea) {
-			auto &row = *_rows[selectedIndex];
-			if (_megagroupSet) {
-				if (auto set = getSetByRow(row)) {
-					setMegagroupSelectedSet(MTP_inputStickerSetID(
-						MTP_long(set->id),
-						MTP_long(set->access)));
+			const auto row = _rows[selectedIndex].get();
+			if (!row->isRecentSet()) {
+				if (_megagroupSet) {
+					setMegagroupSelectedSet(row->set->mtpInput());
+				} else {
+					showSetByRow(*row);
 				}
-			} else {
-				showSetByRow(row);
 			}
 		} else if (_megagroupSelectedSet && _selected.is<MegagroupSet>()) {
 			showSetByRow(*_megagroupSelectedSet);
@@ -1429,9 +1436,7 @@ void StickersBox::Inner::setActionSel(int32 actionSel) {
 		if (_actionSel >= 0) update(0, _itemsTop + _actionSel * _rowHeight, width(), _rowHeight);
 		_actionSel = actionSel;
 		if (_actionSel >= 0) update(0, _itemsTop + _actionSel * _rowHeight, width(), _rowHeight);
-		if (_section == Section::Installed) {
-			setCursor((_actionSel >= 0 && (_actionDown < 0 || _actionDown == _actionSel)) ? style::cur_pointer : style::cur_default);
-		}
+		updateCursor();
 	}
 }
 
@@ -1466,8 +1471,9 @@ void StickersBox::Inner::handleMegagroupSetAddressChange() {
 	auto text = _megagroupSetField->getLastText().trimmed();
 	if (text.isEmpty()) {
 		if (_megagroupSelectedSet) {
-			auto it = _session->data().stickerSets().constFind(_megagroupSelectedSet->id);
-			if (it != _session->data().stickerSets().cend() && !it->shortName.isEmpty()) {
+			const auto &sets = _session->data().stickerSets();
+			const auto it = sets.find(_megagroupSelectedSet->set->id);
+			if (it != sets.cend() && !it->second->shortName.isEmpty()) {
 				setMegagroupSelectedSet(MTP_inputStickerSetEmpty());
 			}
 		}
@@ -1477,7 +1483,9 @@ void StickersBox::Inner::handleMegagroupSetAddressChange() {
 		)).done([=](const MTPmessages_StickerSet &result) {
 			_megagroupSetRequestId = 0;
 			auto set = Stickers::FeedSetFull(result);
-			setMegagroupSelectedSet(MTP_inputStickerSetID(MTP_long(set->id), MTP_long(set->access)));
+			setMegagroupSelectedSet(MTP_inputStickerSetID(
+				MTP_long(set->id),
+				MTP_long(set->access)));
 		}).fail([=](const RPCError &error) {
 			_megagroupSetRequestId = 0;
 			setMegagroupSelectedSet(MTP_inputStickerSetEmpty());
@@ -1499,32 +1507,33 @@ void StickersBox::Inner::rebuildMegagroupSet() {
 		_megagroupSelectedShadow.destroy();
 		return;
 	}
-	auto &set = _megagroupSetInput.c_inputStickerSetID();
-	auto setId = set.vid().v;
-	auto &sets = _session->data().stickerSets();
+	auto &inputId = _megagroupSetInput.c_inputStickerSetID();
+	auto setId = inputId.vid().v;
+	const auto &sets = _session->data().stickerSets();
 	auto it = sets.find(setId);
-	if (it == sets.cend() || (it->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
-		_session->api().scheduleStickerSetRequest(set.vid().v, set.vaccess_hash().v);
+	if (it == sets.cend()
+		|| (it->second->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
+		_session->api().scheduleStickerSetRequest(
+			inputId.vid().v,
+			inputId.vaccess_hash().v);
 		return;
 	}
 
+	const auto set = it->second.get();
 	auto maxNameWidth = countMaxNameWidth();
 	auto titleWidth = 0;
-	auto title = fillSetTitle(*it, maxNameWidth, &titleWidth);
-	auto count = fillSetCount(*it);
-	auto thumbnail = ImagePtr();
+	auto title = fillSetTitle(set, maxNameWidth, &titleWidth);
+	auto count = fillSetCount(set);
 	auto sticker = (DocumentData*)nullptr;
 	auto pixw = 0, pixh = 0;
-	fillSetCover(*it, &thumbnail, &sticker, &pixw, &pixh);
+	fillSetCover(set, &sticker, &pixw, &pixh);
 	auto installed = true, official = false, unread = false, archived = false, removed = false;
-	if (!_megagroupSelectedSet || _megagroupSelectedSet->id != it->id) {
-		_megagroupSetField->setText(it->shortName);
+	if (!_megagroupSelectedSet || _megagroupSelectedSet->set->id != set->id) {
+		_megagroupSetField->setText(set->shortName);
 		_megagroupSetField->finishAnimating();
 	}
 	_megagroupSelectedSet = std::make_unique<Row>(
-		it->id,
-		it->access,
-		thumbnail,
+		set,
 		sticker,
 		count,
 		title,
@@ -1561,7 +1570,7 @@ void StickersBox::Inner::rebuild() {
 	auto maxNameWidth = countMaxNameWidth();
 
 	clear();
-	auto &order = ([&]() -> const Stickers::Order & {
+	const auto &order = ([&]() -> const Stickers::Order & {
 		if (_section == Section::Installed) {
 			auto &result = _session->data().stickerSetsOrder();
 			if (_megagroupSet && result.empty()) {
@@ -1576,7 +1585,7 @@ void StickersBox::Inner::rebuild() {
 	_rows.reserve(order.size() + 1);
 	_shiftingStartTimes.reserve(order.size() + 1);
 
-	auto &sets = _session->data().stickerSets();
+	const auto &sets = _session->data().stickerSets();
 	if (_megagroupSet) {
 		auto usingFeatured = _session->data().stickerSetsOrder().empty();
 		_megagroupSubTitle->setText(usingFeatured
@@ -1584,21 +1593,23 @@ void StickersBox::Inner::rebuild() {
 			: tr::lng_stickers_group_from_your(tr::now));
 		updateControlsGeometry();
 	} else if (_section == Section::Installed) {
-		auto cloudIt = sets.constFind(Stickers::CloudRecentSetId);
-		if (cloudIt != sets.cend() && !cloudIt->stickers.isEmpty()) {
-			rebuildAppendSet(cloudIt.value(), maxNameWidth);
+		auto cloudIt = sets.find(Stickers::CloudRecentSetId);
+		if (cloudIt != sets.cend() && !cloudIt->second->stickers.isEmpty()) {
+			rebuildAppendSet(cloudIt->second.get(), maxNameWidth);
 		}
 	}
-	for_const (auto setId, order) {
-		auto it = sets.constFind(setId);
+	for (const auto setId : order) {
+		auto it = sets.find(setId);
 		if (it == sets.cend()) {
 			continue;
 		}
 
-		rebuildAppendSet(it.value(), maxNameWidth);
+		const auto set = it->second.get();
+		rebuildAppendSet(set, maxNameWidth);
 
-		if (it->stickers.isEmpty() || (it->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
-			_session->api().scheduleStickerSetRequest(it->id, it->access);
+		if (set->stickers.isEmpty()
+			|| (set->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
+			_session->api().scheduleStickerSetRequest(set->id, set->access);
 		}
 	}
 	_session->api().requestStickerSets();
@@ -1626,24 +1637,22 @@ void StickersBox::Inner::updateSize(int newWidth) {
 
 void StickersBox::Inner::updateRows() {
 	int maxNameWidth = countMaxNameWidth();
-	auto &sets = _session->data().stickerSets();
+	const auto &sets = _session->data().stickerSets();
 	for (const auto &row : _rows) {
-		const auto it = sets.constFind(row->id);
+		const auto it = sets.find(row->set->id);
 		if (it == sets.cend()) {
 			continue;
 		}
-		const auto &set = it.value();
+		const auto set = it->second.get();
 		if (!row->sticker) {
-			auto thumbnail = ImagePtr();
 			auto sticker = (DocumentData*)nullptr;
 			auto pixw = 0, pixh = 0;
-			fillSetCover(set, &thumbnail, &sticker, &pixw, &pixh);
+			fillSetCover(set, &sticker, &pixw, &pixh);
 			if (sticker) {
-				if ((row->thumbnail.get() != thumbnail.get())
-					|| (!thumbnail && row->sticker != sticker)) {
+				if (row->sticker != sticker && !row->thumbnailMedia) {
 					row->lottie = nullptr;
+					row->stickerMedia = nullptr;
 				}
-				row->thumbnail = thumbnail;
 				row->sticker = sticker;
 				row->pixw = pixw;
 				row->pixh = pixh;
@@ -1666,9 +1675,9 @@ void StickersBox::Inner::updateRows() {
 	update();
 }
 
-bool StickersBox::Inner::appendSet(const Stickers::Set &set) {
-	for_const (auto &row, _rows) {
-		if (row->id == set.id) {
+bool StickersBox::Inner::appendSet(not_null<Stickers::Set*> set) {
+	for (const auto &row : _rows) {
+		if (row->set == set) {
 			return false;
 		}
 	}
@@ -1695,28 +1704,27 @@ int StickersBox::Inner::countMaxNameWidth() const {
 	return namew;
 }
 
-void StickersBox::Inner::rebuildAppendSet(const Stickers::Set &set, int maxNameWidth) {
+void StickersBox::Inner::rebuildAppendSet(
+		not_null<Stickers::Set*> set,
+		int maxNameWidth) {
 	bool installed = true, official = true, unread = false, archived = false, removed = false;
-	if (set.id != Stickers::CloudRecentSetId) {
+	if (set->id != Stickers::CloudRecentSetId) {
 		fillSetFlags(set, &installed, &official, &unread, &archived);
 	}
 	if (_section == Section::Installed && archived) {
 		return;
 	}
 
-	ImagePtr thumbnail;
 	DocumentData *sticker = nullptr;
 	int pixw = 0, pixh = 0;
-	fillSetCover(set, &thumbnail, &sticker, &pixw, &pixh);
+	fillSetCover(set, &sticker, &pixw, &pixh);
 
 	int titleWidth = 0;
 	QString title = fillSetTitle(set, maxNameWidth, &titleWidth);
 	int count = fillSetCount(set);
 
 	_rows.push_back(std::make_unique<Row>(
-		set.id,
-		set.access,
-		thumbnail,
+		set,
 		sticker,
 		count,
 		title,
@@ -1731,19 +1739,26 @@ void StickersBox::Inner::rebuildAppendSet(const Stickers::Set &set, int maxNameW
 	_shiftingStartTimes.push_back(0);
 }
 
-void StickersBox::Inner::fillSetCover(const Stickers::Set &set, ImagePtr *thumbnail, DocumentData **outSticker, int *outWidth, int *outHeight) const {
-	*thumbnail = set.thumbnail;
-	if (set.stickers.isEmpty()) {
+void StickersBox::Inner::fillSetCover(
+		not_null<Stickers::Set*> set,
+		DocumentData **outSticker,
+		int *outWidth,
+		int *outHeight) const {
+	if (set->stickers.isEmpty()) {
 		*outSticker = nullptr;
 		*outWidth = *outHeight = 0;
 		return;
 	}
-	auto sticker = *outSticker = set.stickers.front();
+	auto sticker = *outSticker = set->stickers.front();
 
-	const auto size = set.thumbnail
-		? set.thumbnail->size()
-		: sticker->thumbnail()
-		? sticker->thumbnail()->size()
+	const auto size = set->hasThumbnail()
+		? QSize(
+			set->thumbnailLocation().width(),
+			set->thumbnailLocation().height())
+		: sticker->hasThumbnail()
+		? QSize(
+			sticker->thumbnailLocation().width(),
+			sticker->thumbnailLocation().height())
 		: QSize(1, 1);
 	auto pixw = size.width();
 	auto pixh = size.height();
@@ -1763,14 +1778,19 @@ void StickersBox::Inner::fillSetCover(const Stickers::Set &set, ImagePtr *thumbn
 	*outHeight = pixh;
 }
 
-int StickersBox::Inner::fillSetCount(const Stickers::Set &set) const {
-	int result = set.stickers.isEmpty() ? set.count : set.stickers.size(), added = 0;
-	if (set.id == Stickers::CloudRecentSetId) {
-		auto customIt = _session->data().stickerSets().constFind(Stickers::CustomSetId);
-		if (customIt != _session->data().stickerSets().cend()) {
-			added = customIt->stickers.size();
-			for_const (auto &sticker, Stickers::GetRecentPack()) {
-				if (customIt->stickers.indexOf(sticker.first) < 0) {
+int StickersBox::Inner::fillSetCount(not_null<Stickers::Set*> set) const {
+	int result = set->stickers.isEmpty()
+		? set->count
+		: set->stickers.size();
+	auto added = 0;
+	if (set->id == Stickers::CloudRecentSetId) {
+		const auto &sets = _session->data().stickerSets();
+		auto customIt = sets.find(Stickers::CustomSetId);
+		if (customIt != sets.cend()) {
+			added = customIt->second->stickers.size();
+			const auto &recent = Stickers::GetRecentPack();
+			for (const auto &sticker : recent) {
+				if (customIt->second->stickers.indexOf(sticker.first) < 0) {
 					++added;
 				}
 			}
@@ -1781,8 +1801,11 @@ int StickersBox::Inner::fillSetCount(const Stickers::Set &set) const {
 	return result + added;
 }
 
-QString StickersBox::Inner::fillSetTitle(const Stickers::Set &set, int maxNameWidth, int *outTitleWidth) const {
-	auto result = set.title;
+QString StickersBox::Inner::fillSetTitle(
+		not_null<Stickers::Set*> set,
+		int maxNameWidth,
+		int *outTitleWidth) const {
+	auto result = set->title;
 	int titleWidth = st::contactsNameStyle.font->width(result);
 	if (titleWidth > maxNameWidth) {
 		result = st::contactsNameStyle.font->elided(result, maxNameWidth);
@@ -1795,16 +1818,16 @@ QString StickersBox::Inner::fillSetTitle(const Stickers::Set &set, int maxNameWi
 }
 
 void StickersBox::Inner::fillSetFlags(
-		const Stickers::Set &set,
+		not_null<Stickers::Set*> set,
 		bool *outInstalled,
 		bool *outOfficial,
 		bool *outUnread,
 		bool *outArchived) {
-	*outInstalled = (set.flags & MTPDstickerSet::Flag::f_installed_date);
-	*outOfficial = (set.flags & MTPDstickerSet::Flag::f_official);
-	*outArchived = (set.flags & MTPDstickerSet::Flag::f_archived);
+	*outInstalled = (set->flags & MTPDstickerSet::Flag::f_installed_date);
+	*outOfficial = (set->flags & MTPDstickerSet::Flag::f_official);
+	*outArchived = (set->flags & MTPDstickerSet::Flag::f_archived);
 	if (_section == Section::Featured) {
-		*outUnread = (set.flags & MTPDstickerSet_ClientFlag::f_unread);
+		*outUnread = (set->flags & MTPDstickerSet_ClientFlag::f_unread);
 	} else {
 		*outUnread = false;
 	}
@@ -1816,7 +1839,7 @@ Stickers::Order StickersBox::Inner::collectSets(Check check) const {
 	result.reserve(_rows.size());
 	for_const (auto &row, _rows) {
 		if (check(row.get())) {
-			result.push_back(row->id);
+			result.push_back(row->set->id);
 		}
 	}
 	return result;
@@ -1843,7 +1866,7 @@ Stickers::Order StickersBox::Inner::getRemovedSets() const {
 int StickersBox::Inner::getRowIndex(uint64 setId) const {
 	for (auto i = 0, count = int(_rows.size()); i != count; ++i) {
 		auto &row = _rows[i];
-		if (row->id == setId) {
+		if (row->set->id == setId) {
 			return i;
 		}
 	}
@@ -1866,7 +1889,7 @@ void StickersBox::Inner::setFullOrder(const Stickers::Order &order) {
 
 void StickersBox::Inner::setRemovedSets(const Stickers::Order &removed) {
 	for (auto i = 0, count = int(_rows.size()); i != count; ++i) {
-		setRowRemoved(i, removed.contains(_rows[i]->id));
+		setRowRemoved(i, removed.contains(_rows[i]->set->id));
 	}
 }
 
@@ -1898,21 +1921,28 @@ void StickersBox::Inner::readVisibleSets() {
 	int rowFrom = floorclamp(itemsVisibleTop, _rowHeight, 0, _rows.size());
 	int rowTo = ceilclamp(itemsVisibleBottom, _rowHeight, 0, _rows.size());
 	for (int i = rowFrom; i < rowTo; ++i) {
-		if (!_rows[i]->unread) {
+		const auto row = _rows[i].get();
+		if (!row->unread) {
 			continue;
 		}
-		if (i * _rowHeight < itemsVisibleTop || (i + 1) * _rowHeight > itemsVisibleBottom) {
+		if ((i * _rowHeight < itemsVisibleTop)
+			|| ((i + 1) * _rowHeight > itemsVisibleBottom)) {
 			continue;
 		}
-		const auto thumbnail = !_rows[i]->sticker
-			? nullptr
-			: _rows[i]->thumbnail
-			? _rows[i]->thumbnail.get()
-			: _rows[i]->sticker->thumbnail();
-		if (!thumbnail
-			|| thumbnail->loaded()
-			|| _rows[i]->sticker->loaded()) {
-			_session->api().readFeaturedSetDelayed(_rows[i]->id);
+		const auto thumbnailLoading = row->set->hasThumbnail()
+			? row->set->thumbnailLoading()
+			: row->sticker
+			? row->sticker->thumbnailLoading()
+			: false;
+		const auto thumbnailLoaded = row->set->hasThumbnail()
+			? (row->thumbnailMedia
+				&& (row->thumbnailMedia->image()
+					|| !row->thumbnailMedia->content().isEmpty()))
+			: row->sticker
+			? (row->stickerMedia && row->stickerMedia->loaded())
+			: true;
+		if (!thumbnailLoading || thumbnailLoaded) {
+			_session->api().readFeaturedSetDelayed(row->set->id);
 		}
 	}
 }

Telegram/SourceFiles/boxes/stickers_box.h

@@ -10,7 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/abstract_box.h"
 #include "base/timer.h"
 #include "mtproto/sender.h"
-#include "chat_helpers/stickers.h"
+#include "chat_helpers/stickers_set.h"
 #include "ui/effects/animations.h"
 #include "ui/special_fields.h"
 
@@ -33,6 +33,18 @@ namespace Main {
 class Session;
 } // namespace Main
 
+namespace Data {
+class DocumentMedia;
+} // namespace Data
+
+namespace Lottie {
+class SinglePlayer;
+} // namespace Lottie
+
+namespace Stickers {
+class Set;
+} // namespace Stickers
+
 class StickersBox final
 	: public Ui::BoxContent
 	, public RPCSender
@@ -173,7 +185,7 @@ public:
 	void rebuild();
 	void updateSize(int newWidth = 0);
 	void updateRows(); // refresh only pack cover stickers
-	bool appendSet(const Stickers::Set &set);
+	bool appendSet(not_null<Stickers::Set*> set);
 
 	Stickers::Order getOrder() const;
 	Stickers::Order getFullOrder() const;
@@ -219,9 +231,7 @@ public slots:
 private:
 	struct Row {
 		Row(
-			uint64 id,
-			uint64 accessHash,
-			ImagePtr thumbnail,
+			not_null<Stickers::Set*> set,
 			DocumentData *sticker,
 			int32 count,
 			const QString &title,
@@ -233,15 +243,14 @@ private:
 			bool removed,
 			int32 pixw,
 			int32 pixh);
-		bool isRecentSet() const {
-			return (id == Stickers::CloudRecentSetId);
-		}
 		~Row();
 
-		uint64 id = 0;
-		uint64 accessHash = 0;
-		ImagePtr thumbnail;
+		bool isRecentSet() const;
+
+		const not_null<Stickers::Set*> set;
 		DocumentData *sticker = nullptr;
+		std::shared_ptr<Data::DocumentMedia> stickerMedia;
+		std::shared_ptr<Stickers::SetThumbnailView> thumbnailMedia;
 		int32 count = 0;
 		QString title;
 		int titleWidth = 0;
@@ -294,23 +303,24 @@ private:
 	void ensureRipple(const style::RippleAnimation &st, QImage mask, bool removeButton);
 
 	bool shiftingAnimationCallback(crl::time now);
-	void paintRow(Painter &p, not_null<Row*> set, int index);
-	void paintRowThumbnail(Painter &p, not_null<Row*> set, int left);
-	void paintFakeButton(Painter &p, not_null<Row*> set, int index);
+	void paintRow(Painter &p, not_null<Row*> row, int index);
+	void paintRowThumbnail(Painter &p, not_null<Row*> row, int left);
+	void paintFakeButton(Painter &p, not_null<Row*> row, int index);
 	void clear();
+	void updateCursor();
 	void setActionSel(int32 actionSel);
 	float64 aboveShadowOpacity() const;
-	void validateLottieAnimation(not_null<Row*> set);
-	void updateRowThumbnail(not_null<Row*> set);
+	void validateLottieAnimation(not_null<Row*> row);
+	void updateRowThumbnail(not_null<Row*> row);
 
 	void readVisibleSets();
 
 	void updateControlsGeometry();
-	void rebuildAppendSet(const Stickers::Set &set, int maxNameWidth);
-	void fillSetCover(const Stickers::Set &set, ImagePtr *thumbnail, DocumentData **outSticker, int *outWidth, int *outHeight) const;
-	int fillSetCount(const Stickers::Set &set) const;
-	QString fillSetTitle(const Stickers::Set &set, int maxNameWidth, int *outTitleWidth) const;
-	void fillSetFlags(const Stickers::Set &set, bool *outInstalled, bool *outOfficial, bool *outUnread, bool *outArchived);
+	void rebuildAppendSet(not_null<Stickers::Set*> set, int maxNameWidth);
+	void fillSetCover(not_null<Stickers::Set*> set, DocumentData **outSticker, int *outWidth, int *outHeight) const;
+	int fillSetCount(not_null<Stickers::Set*> set) const;
+	QString fillSetTitle(not_null<Stickers::Set*> set, int maxNameWidth, int *outTitleWidth) const;
+	void fillSetFlags(not_null<Stickers::Set*> set, bool *outInstalled, bool *outOfficial, bool *outUnread, bool *outArchived);
 	void rebuildMegagroupSet();
 	void fixupMegagroupSetAddress();
 	void handleMegagroupSetAddressChange();

Telegram/SourceFiles/boxes/username_box.cpp

@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "data/data_session.h"
 #include "data/data_user.h"
+#include "mtproto/facade.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
 

Telegram/SourceFiles/calls/calls_call.cpp

@@ -18,23 +18,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "media/audio/media_audio_track.h"
 #include "base/platform/base_platform_info.h"
 #include "calls/calls_panel.h"
+#include "calls/calls_controller.h"
 #include "data/data_user.h"
 #include "data/data_session.h"
 #include "facades.h"
 
-#ifdef slots
-#undef slots
-#define NEED_TO_RESTORE_SLOTS
-#endif // slots
-
-#include <VoIPController.h>
-#include <VoIPServerConfig.h>
-
-#ifdef NEED_TO_RESTORE_SLOTS
-#define slots Q_SLOTS
-#undef NEED_TO_RESTORE_SLOTS
-#endif // NEED_TO_RESTORE_SLOTS
-
 namespace Calls {
 namespace {
 
@@ -43,25 +31,25 @@ constexpr auto kHangupTimeoutMs = 5000;
 constexpr auto kSha256Size = 32;
 
 void AppendEndpoint(
-		std::vector<tgvoip::Endpoint> &list,
+		std::vector<TgVoipEndpoint> &list,
 		const MTPPhoneConnection &connection) {
 	connection.match([&](const MTPDphoneConnection &data) {
 		if (data.vpeer_tag().v.length() != 16) {
 			return;
 		}
-		const auto ipv4 = tgvoip::IPv4Address(std::string(
-			data.vip().v.constData(),
-			data.vip().v.size()));
-		const auto ipv6 = tgvoip::IPv6Address(std::string(
-			data.vipv6().v.constData(),
-			data.vipv6().v.size()));
-		list.emplace_back(
-			(int64_t)data.vid().v,
-			(uint16_t)data.vport().v,
-			ipv4,
-			ipv6,
-			tgvoip::Endpoint::Type::UDP_RELAY,
-			(unsigned char*)data.vpeer_tag().v.data());
+		auto endpoint = TgVoipEndpoint{
+			.endpointId = (int64_t)data.vid().v,
+			.host = TgVoipEdpointHost{
+				.ipv4 = data.vip().v.toStdString(),
+				.ipv6 = data.vipv6().v.toStdString() },
+			.port = (uint16_t)data.vport().v,
+			.type = TgVoipEndpointType::UdpRelay
+		};
+		const auto tag = data.vpeer_tag().v;
+		if (tag.size() >= 16) {
+			memcpy(endpoint.peerTag, tag.data(), 16);
+		}
+		list.push_back(std::move(endpoint));
 	});
 }
 
@@ -80,47 +68,25 @@ uint64 ComputeFingerprint(bytes::const_span authKey) {
 		| (gsl::to_integer<uint64>(hash[12]));
 }
 
-} // namespace
-
-void Call::ControllerPointer::create() {
-	Expects(_data == nullptr);
-
-	_data = std::make_unique<tgvoip::VoIPController>();
+[[nodiscard]] std::vector<std::string> CollectVersions() {
+	return { TgVoip::getVersion() };
 }
 
-void Call::ControllerPointer::reset() {
-	if (const auto controller = base::take(_data)) {
-		controller->Stop();
+[[nodiscard]] QVector<MTPstring> WrapVersions(
+		const std::vector<std::string> &data) {
+	auto result = QVector<MTPstring>();
+	result.reserve(data.size());
+	for (const auto &version : data) {
+		result.push_back(MTP_string(version));
 	}
+	return result;
 }
 
-bool Call::ControllerPointer::empty() const {
-	return (_data == nullptr);
+[[nodiscard]] QVector<MTPstring> CollectVersionsForApi() {
+	return WrapVersions(CollectVersions());
 }
 
-bool Call::ControllerPointer::operator==(std::nullptr_t) const {
-	return empty();
-}
-
-Call::ControllerPointer::operator bool() const {
-	return !empty();
-}
-
-tgvoip::VoIPController *Call::ControllerPointer::operator->() const {
-	Expects(!empty());
-
-	return _data.get();
-}
-
-tgvoip::VoIPController &Call::ControllerPointer::operator*() const {
-	Expects(!empty());
-
-	return *_data;
-}
-
-Call::ControllerPointer::~ControllerPointer() {
-	reset();
-}
+} // namespace
 
 Call::Delegate::~Delegate() = default;
 
@@ -199,8 +165,8 @@ void Call::startOutgoing() {
 			MTP_flags(MTPDphoneCallProtocol::Flag::f_udp_p2p
 				| MTPDphoneCallProtocol::Flag::f_udp_reflector),
 			MTP_int(kMinLayer),
-			MTP_int(tgvoip::VoIPController::GetConnectionMaxLayer()),
-			MTP_vector(1, MTP_string("2.4.4")))
+			MTP_int(TgVoip::getConnectionMaxLayer()),
+			MTP_vector(CollectVersionsForApi()))
 	)).done([=](const MTPphone_PhoneCall &result) {
 		Expects(result.type() == mtpc_phone_phoneCall);
 
@@ -278,8 +244,8 @@ void Call::actuallyAnswer() {
 			MTP_flags(MTPDphoneCallProtocol::Flag::f_udp_p2p
 				| MTPDphoneCallProtocol::Flag::f_udp_reflector),
 			MTP_int(kMinLayer),
-			MTP_int(tgvoip::VoIPController::GetConnectionMaxLayer()),
-			MTP_vector(1, MTP_string("2.4.4")))
+			MTP_int(TgVoip::getConnectionMaxLayer()),
+			MTP_vector(CollectVersionsForApi()))
 	)).done([=](const MTPphone_PhoneCall &result) {
 		Expects(result.type() == mtpc_phone_phoneCall);
 		auto &call = result.c_phone_phoneCall();
@@ -300,7 +266,7 @@ void Call::actuallyAnswer() {
 void Call::setMute(bool mute) {
 	_mute = mute;
 	if (_controller) {
-		_controller->SetMicMute(_mute);
+		_controller->setMuteMicrophone(_mute);
 	}
 	_muteChanged.notify(_mute);
 }
@@ -334,8 +300,7 @@ void Call::redial() {
 }
 
 QString Call::getDebugLog() const {
-	const auto debug = _controller->GetDebugString();
-	return QString::fromUtf8(debug.data(), debug.size());
+	return QString::fromStdString(_controller->getDebugInfo());
 }
 
 void Call::startWaitingTrack() {
@@ -441,7 +406,9 @@ bool Call::handleUpdate(const MTPPhoneCall &call) {
 			return false;
 		}
 		if (data.is_need_debug()) {
-			auto debugLog = _controller ? _controller->GetDebugLog() : std::string();
+			auto debugLog = _controller
+				? _controller->getDebugInfo()
+				: std::string();
 			if (!debugLog.empty()) {
 				MTP::send(
 					MTPphone_SaveCallDebug(
@@ -517,8 +484,8 @@ void Call::confirmAcceptedCall(const MTPDphoneCallAccepted &call) {
 			MTP_flags(MTPDphoneCallProtocol::Flag::f_udp_p2p
 				| MTPDphoneCallProtocol::Flag::f_udp_reflector),
 			MTP_int(kMinLayer),
-			MTP_int(tgvoip::VoIPController::GetConnectionMaxLayer()),
-			MTP_vector(1, MTP_string("2.4.4")))
+			MTP_int(TgVoip::getConnectionMaxLayer()),
+			MTP_vector(CollectVersionsForApi()))
 	)).done([this](const MTPphone_PhoneCall &result) {
 		Expects(result.type() == mtpc_phone_phoneCall);
 
@@ -566,126 +533,123 @@ void Call::createAndStartController(const MTPDphoneCall &call) {
 		return;
 	}
 
-	tgvoip::VoIPController::Config config;
-	config.dataSaving = tgvoip::DATA_SAVING_NEVER;
+	const auto &protocol = call.vprotocol().c_phoneCallProtocol();
+
+	TgVoipConfig config;
+	config.dataSaving = TgVoipDataSaving::Never;
 	config.enableAEC = !Platform::IsMac10_7OrGreater();
 	config.enableNS = true;
 	config.enableAGC = true;
 	config.enableVolumeControl = true;
-	config.initTimeout = Global::CallConnectTimeoutMs() / 1000;
-	config.recvTimeout = Global::CallPacketTimeoutMs() / 1000;
+	config.initializationTimeout = Global::CallConnectTimeoutMs() / 1000.;
+	config.receiveTimeout = Global::CallPacketTimeoutMs() / 1000.;
+	config.enableP2P = call.is_p2p_allowed();
+	config.maxApiLayer = protocol.vmax_layer().v;
 	if (Logs::DebugEnabled()) {
 		auto callLogFolder = cWorkingDir() + qsl("DebugLogs");
 		auto callLogPath = callLogFolder + qsl("/last_call_log.txt");
 		auto callLogNative = QDir::toNativeSeparators(callLogPath);
 #ifdef Q_OS_WIN
-		config.logFilePath = callLogNative.toStdWString();
+		config.logPath = callLogNative.toStdWString();
 #else // Q_OS_WIN
 		const auto callLogUtf = QFile::encodeName(callLogNative);
-		config.logFilePath.resize(callLogUtf.size());
-		ranges::copy(callLogUtf, config.logFilePath.begin());
+		config.logPath.resize(callLogUtf.size());
+		ranges::copy(callLogUtf, config.logPath.begin());
 #endif // Q_OS_WIN
 		QFile(callLogPath).remove();
 		QDir().mkpath(callLogFolder);
 	}
 
-	const auto &protocol = call.vprotocol().c_phoneCallProtocol();
-	auto endpoints = std::vector<tgvoip::Endpoint>();
+	auto endpoints = std::vector<TgVoipEndpoint>();
 	for (const auto &connection : call.vconnections().v) {
 		AppendEndpoint(endpoints, connection);
 	}
 
-	auto callbacks = tgvoip::VoIPController::Callbacks();
-	callbacks.connectionStateChanged = [](
-			tgvoip::VoIPController *controller,
-			int state) {
-		const auto call = static_cast<Call*>(controller->implData);
-		call->handleControllerStateChange(controller, state);
-	};
-	callbacks.signalBarCountChanged = [](
-			tgvoip::VoIPController *controller,
-			int count) {
-		const auto call = static_cast<Call*>(controller->implData);
-		call->handleControllerBarCountChange(controller, count);
-	};
-
-	_controller.create();
-	if (_mute) {
-		_controller->SetMicMute(_mute);
-	}
-	_controller->implData = static_cast<void*>(this);
-	_controller->SetRemoteEndpoints(
-		endpoints,
-		call.is_p2p_allowed(),
-		protocol.vmax_layer().v);
-	_controller->SetConfig(config);
-	_controller->SetCurrentAudioOutput(Global::CallOutputDeviceID().toStdString());
-	_controller->SetCurrentAudioInput(Global::CallInputDeviceID().toStdString());
-	_controller->SetOutputVolume(Global::CallOutputVolume()/100.0f);
-	_controller->SetInputVolume(Global::CallInputVolume()/100.0f);
-#ifdef Q_OS_MAC
-	_controller->SetAudioOutputDuckingEnabled(Global::CallAudioDuckingEnabled());
-#endif
-	_controller->SetEncryptionKey(reinterpret_cast<char*>(_authKey.data()), (_type == Type::Outgoing));
-	_controller->SetCallbacks(callbacks);
+	auto proxy = TgVoipProxy();
 	if (Global::UseProxyForCalls()
 		&& (Global::ProxySettings() == MTP::ProxyData::Settings::Enabled)) {
-		const auto &proxy = Global::SelectedProxy();
-		if (proxy.supportsCalls()) {
-			Assert(proxy.type == MTP::ProxyData::Type::Socks5);
-			_controller->SetProxy(
-				tgvoip::PROXY_SOCKS5,
-				proxy.host.toStdString(),
-				proxy.port,
-				proxy.user.toStdString(),
-				proxy.password.toStdString());
+		const auto &selected = Global::SelectedProxy();
+		if (selected.supportsCalls()) {
+			Assert(selected.type == MTP::ProxyData::Type::Socks5);
+			proxy.host = selected.host.toStdString();
+			proxy.port = selected.port;
+			proxy.login = selected.user.toStdString();
+			proxy.password = selected.password.toStdString();
 		}
 	}
-	_controller->Start();
-	_controller->Connect();
+
+	auto encryptionKey = TgVoipEncryptionKey();
+	encryptionKey.isOutgoing = (_type == Type::Outgoing);
+	encryptionKey.value = ranges::view::all(
+		_authKey
+	) | ranges::view::transform([](bytes::type byte) {
+		return static_cast<uint8_t>(byte);
+	}) | ranges::to_vector;
+
+	_controller = MakeController(
+		"2.4.4",
+		config,
+		TgVoipPersistentState(),
+		endpoints,
+		proxy.host.empty() ? nullptr : &proxy,
+		TgVoipNetworkType::Unknown,
+		encryptionKey);
+
+	const auto raw = _controller.get();
+	raw->setOnStateUpdated([=](TgVoipState state) {
+		handleControllerStateChange(raw, state);
+	});
+	raw->setOnSignalBarsUpdated([=](int count) {
+		handleControllerBarCountChange(count);
+	});
+	if (_mute) {
+		raw->setMuteMicrophone(_mute);
+	}
+	raw->setAudioOutputDevice(
+		Global::CallOutputDeviceID().toStdString());
+	raw->setAudioInputDevice(
+		Global::CallInputDeviceID().toStdString());
+	raw->setOutputVolume(Global::CallOutputVolume() / 100.0f);
+	raw->setInputVolume(Global::CallInputVolume() / 100.0f);
+	raw->setAudioOutputDuckingEnabled(Global::CallAudioDuckingEnabled());
 }
 
 void Call::handleControllerStateChange(
-		tgvoip::VoIPController *controller,
-		int state) {
+		not_null<Controller*> controller,
+		TgVoipState state) {
 	// NB! Can be called from an arbitrary thread!
 	// This can be called from ~VoIPController()!
-	// Expects(controller == _controller.get());
-	Expects(controller->implData == static_cast<void*>(this));
 
 	switch (state) {
-	case tgvoip::STATE_WAIT_INIT: {
+	case TgVoipState::WaitInit: {
 		DEBUG_LOG(("Call Info: State changed to WaitingInit."));
 		setStateQueued(State::WaitingInit);
 	} break;
 
-	case tgvoip::STATE_WAIT_INIT_ACK: {
+	case TgVoipState::WaitInitAck: {
 		DEBUG_LOG(("Call Info: State changed to WaitingInitAck."));
 		setStateQueued(State::WaitingInitAck);
 	} break;
 
-	case tgvoip::STATE_ESTABLISHED: {
+	case TgVoipState::Established: {
 		DEBUG_LOG(("Call Info: State changed to Established."));
 		setStateQueued(State::Established);
 	} break;
 
-	case tgvoip::STATE_FAILED: {
-		auto error = controller->GetLastError();
+	case TgVoipState::Failed: {
+		auto error = QString::fromStdString(controller->getLastError());
 		LOG(("Call Info: State changed to Failed, error: %1.").arg(error));
 		setFailedQueued(error);
 	} break;
 
-	default: LOG(("Call Error: Unexpected state in handleStateChange: %1").arg(state));
+	default: LOG(("Call Error: Unexpected state in handleStateChange: %1"
+		).arg(int(state)));
 	}
 }
 
-void Call::handleControllerBarCountChange(
-		tgvoip::VoIPController *controller,
-		int count) {
+void Call::handleControllerBarCountChange(int count) {
 	// NB! Can be called from an arbitrary thread!
 	// This can be called from ~VoIPController()!
-	// Expects(controller == _controller.get());
-	Expects(controller->implData == static_cast<void*>(this));
 
 	crl::on_main(this, [=] {
 		setSignalBarCount(count);
@@ -790,32 +754,30 @@ void Call::setState(State state) {
 	}
 }
 
-void Call::setCurrentAudioDevice(bool input, std::string deviceID){
+void Call::setCurrentAudioDevice(bool input, std::string deviceID) {
 	if (_controller) {
 		if (input) {
-			_controller->SetCurrentAudioInput(deviceID);
+			_controller->setAudioInputDevice(deviceID);
 		} else {
-			_controller->SetCurrentAudioOutput(deviceID);
+			_controller->setAudioOutputDevice(deviceID);
 		}
 	}
 }
 
-void Call::setAudioVolume(bool input, float level){
+void Call::setAudioVolume(bool input, float level) {
 	if (_controller) {
-		if(input) {
-			_controller->SetInputVolume(level);
+		if (input) {
+			_controller->setInputVolume(level);
 		} else {
-			_controller->SetOutputVolume(level);
+			_controller->setOutputVolume(level);
 		}
 	}
 }
 
-void Call::setAudioDuckingEnabled(bool enabled){
-#ifdef Q_OS_MAC
+void Call::setAudioDuckingEnabled(bool enabled) {
 	if (_controller) {
-		_controller->SetAudioOutputDuckingEnabled(enabled);
+		_controller->setAudioOutputDuckingEnabled(enabled);
 	}
-#endif
 }
 
 void Call::finish(FinishType type, const MTPPhoneCallDiscardReason &reason) {
@@ -844,7 +806,7 @@ void Call::finish(FinishType type, const MTPPhoneCallDiscardReason &reason) {
 
 	setState(hangupState);
 	auto duration = getDurationMs() / 1000;
-	auto connectionId = _controller ? _controller->GetPreferredRelayID() : 0;
+	auto connectionId = _controller ? _controller->getPreferredRelayId() : 0;
 	_finishByTimeoutTimer.call(kHangupTimeoutMs, [this, finalState] { setState(finalState); });
 	_api.request(MTPphone_DiscardCall(
 		MTP_flags(0),
@@ -870,7 +832,7 @@ void Call::setStateQueued(State state) {
 	});
 }
 
-void Call::setFailedQueued(int error) {
+void Call::setFailedQueued(const QString &error) {
 	crl::on_main(this, [=] {
 		handleControllerError(error);
 	});
@@ -887,13 +849,13 @@ void Call::handleRequestError(const RPCError &error) {
 	finish(FinishType::Failed);
 }
 
-void Call::handleControllerError(int error) {
-	if (error == tgvoip::ERROR_INCOMPATIBLE) {
+void Call::handleControllerError(const QString &error) {
+	if (error == u"ERROR_INCOMPATIBLE"_q) {
 		Ui::show(Box<InformBox>(
 			Lang::Hard::CallErrorIncompatible().replace(
 				"{user}",
 				_user->name)));
-	} else if (error == tgvoip::ERROR_AUDIO_IO) {
+	} else if (error == u"ERROR_AUDIO_IO"_q) {
 		Ui::show(Box<InformBox>(tr::lng_call_error_audio_io(tr::now)));
 	}
 	finish(FinishType::Failed);
@@ -912,8 +874,8 @@ Call::~Call() {
 	destroyController();
 }
 
-void UpdateConfig(const std::string& data) {
-	tgvoip::ServerConfig::GetSharedInstance()->Update(data);
+void UpdateConfig(const std::string &data) {
+	TgVoip::setGlobalServerConfig(data);
 }
 
 } // namespace Calls

Telegram/SourceFiles/calls/calls_call.h

@@ -19,12 +19,12 @@ class Track;
 } // namespace Audio
 } // namespace Media
 
-namespace tgvoip {
-class VoIPController;
-} // namespace tgvoip
+enum class TgVoipState;
 
 namespace Calls {
 
+class Controller;
+
 struct DhConfig {
 	int32 version = 0;
 	int32 g = 0;
@@ -129,30 +129,13 @@ public:
 	~Call();
 
 private:
-	class ControllerPointer {
-	public:
-		void create();
-		void reset();
-		bool empty() const;
-
-		bool operator==(std::nullptr_t) const;
-		explicit operator bool() const;
-		tgvoip::VoIPController *operator->() const;
-		tgvoip::VoIPController &operator*() const;
-
-		~ControllerPointer();
-
-	private:
-		std::unique_ptr<tgvoip::VoIPController> _data;
-
-	};
 	enum class FinishType {
 		None,
 		Ended,
 		Failed,
 	};
 	void handleRequestError(const RPCError &error);
-	void handleControllerError(int error);
+	void handleControllerError(const QString &error);
 	void finish(FinishType type, const MTPPhoneCallDiscardReason &reason = MTP_phoneCallDiscardReasonDisconnect());
 	void startOutgoing();
 	void startIncoming();
@@ -160,11 +143,9 @@ private:
 
 	void generateModExpFirst(bytes::const_span randomSeed);
 	void handleControllerStateChange(
-		tgvoip::VoIPController *controller,
-		int state);
-	void handleControllerBarCountChange(
-		tgvoip::VoIPController *controller,
-		int count);
+		not_null<Controller*> controller,
+		TgVoipState state);
+	void handleControllerBarCountChange(int count);
 	void createAndStartController(const MTPDphoneCall &call);
 
 	template <typename T>
@@ -177,7 +158,7 @@ private:
 	void startConfirmedCall(const MTPDphoneCall &call);
 	void setState(State state);
 	void setStateQueued(State state);
-	void setFailedQueued(int error);
+	void setFailedQueued(const QString &error);
 	void setSignalBarCount(int count);
 	void destroyController();
 
@@ -210,12 +191,12 @@ private:
 	uint64 _accessHash = 0;
 	uint64 _keyFingerprint = 0;
 
-	ControllerPointer _controller;
+	std::unique_ptr<Controller> _controller;
 
 	std::unique_ptr<Media::Audio::Track> _waitingTrack;
 
 };
 
-void UpdateConfig(const std::string& data);
+void UpdateConfig(const std::string &data);
 
 } // namespace Calls

Telegram/SourceFiles/calls/calls_controller.cpp

@@ -0,0 +1,31 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "calls/calls_controller.h"
+
+#include "calls/calls_controller_tgvoip.h"
+
+namespace Calls {
+
+[[nodiscard]] std::unique_ptr<Controller> MakeController(
+		const std::string &version,
+		const TgVoipConfig &config,
+		const TgVoipPersistentState &persistentState,
+		const std::vector<TgVoipEndpoint> &endpoints,
+		const TgVoipProxy *proxy,
+		TgVoipNetworkType initialNetworkType,
+		const TgVoipEncryptionKey &encryptionKey) {
+	return std::make_unique<TgVoipController>(
+		config,
+		persistentState,
+		endpoints,
+		proxy,
+		initialNetworkType,
+		encryptionKey);
+}
+
+} // namespace Calls

Telegram/SourceFiles/calls/calls_controller.h

@@ -0,0 +1,53 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "TgVoip.h"
+
+namespace Calls {
+
+class Controller {
+public:
+	virtual ~Controller() = default;
+
+	[[nodiscard]] virtual std::string version() = 0;
+
+	virtual void setNetworkType(TgVoipNetworkType networkType) = 0;
+	virtual void setMuteMicrophone(bool muteMicrophone) = 0;
+	virtual void setAudioOutputGainControlEnabled(bool enabled) = 0;
+	virtual void setEchoCancellationStrength(int strength) = 0;
+	virtual void setAudioInputDevice(std::string id) = 0;
+	virtual void setAudioOutputDevice(std::string id) = 0;
+	virtual void setInputVolume(float level) = 0;
+	virtual void setOutputVolume(float level) = 0;
+	virtual void setAudioOutputDuckingEnabled(bool enabled) = 0;
+
+	virtual std::string getLastError() = 0;
+	virtual std::string getDebugInfo() = 0;
+	virtual int64_t getPreferredRelayId() = 0;
+	virtual TgVoipTrafficStats getTrafficStats() = 0;
+	virtual TgVoipPersistentState getPersistentState() = 0;
+
+	virtual void setOnStateUpdated(Fn<void(TgVoipState)> onStateUpdated) = 0;
+	virtual void setOnSignalBarsUpdated(
+		Fn<void(int)> onSignalBarsUpdated) = 0;
+
+	virtual TgVoipFinalState stop() = 0;
+
+};
+
+[[nodiscard]] std::unique_ptr<Controller> MakeController(
+	const std::string &version,
+	const TgVoipConfig &config,
+	const TgVoipPersistentState &persistentState,
+	const std::vector<TgVoipEndpoint> &endpoints,
+	const TgVoipProxy *proxy,
+	TgVoipNetworkType initialNetworkType,
+	const TgVoipEncryptionKey &encryptionKey);
+
+} // namespace Calls

Telegram/SourceFiles/calls/calls_controller_tgvoip.h

@@ -0,0 +1,97 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "calls/calls_controller.h"
+
+namespace Calls {
+
+class TgVoipController final : public Controller {
+public:
+	TgVoipController(
+		const TgVoipConfig &config,
+		const TgVoipPersistentState &persistentState,
+		const std::vector<TgVoipEndpoint> &endpoints,
+		const TgVoipProxy *proxy,
+		TgVoipNetworkType initialNetworkType,
+		const TgVoipEncryptionKey &encryptionKey)
+	: _impl(TgVoip::makeInstance(
+		config,
+		persistentState,
+		endpoints,
+		proxy,
+		initialNetworkType,
+		encryptionKey)) {
+	}
+
+	[[nodiscard]] static std::string Version() {
+		return TgVoip::getVersion();
+	}
+
+	[[nodiscard]] std::string version() override {
+		return Version();
+	}
+	void setNetworkType(TgVoipNetworkType networkType) override {
+		_impl->setNetworkType(networkType);
+	}
+	void setMuteMicrophone(bool muteMicrophone) override {
+		_impl->setMuteMicrophone(muteMicrophone);
+	}
+	void setAudioOutputGainControlEnabled(bool enabled) override {
+		_impl->setAudioOutputGainControlEnabled(enabled);
+	}
+	void setEchoCancellationStrength(int strength) override {
+		_impl->setEchoCancellationStrength(strength);
+	}
+	void setAudioInputDevice(std::string id) override {
+		_impl->setAudioInputDevice(id);
+	}
+	void setAudioOutputDevice(std::string id) override {
+		_impl->setAudioOutputDevice(id);
+	}
+	void setInputVolume(float level) override {
+		_impl->setInputVolume(level);
+	}
+	void setOutputVolume(float level) override {
+		_impl->setOutputVolume(level);
+	}
+	void setAudioOutputDuckingEnabled(bool enabled) override {
+		_impl->setAudioOutputDuckingEnabled(enabled);
+	}
+	std::string getLastError() override {
+		return _impl->getLastError();
+	}
+	std::string getDebugInfo() override {
+		return _impl->getDebugInfo();
+	}
+	int64_t getPreferredRelayId() override {
+		return _impl->getPreferredRelayId();
+	}
+	TgVoipTrafficStats getTrafficStats() override {
+		return _impl->getTrafficStats();
+	}
+	TgVoipPersistentState getPersistentState() override {
+		return _impl->getPersistentState();
+	}
+	void setOnStateUpdated(Fn<void(TgVoipState)> onStateUpdated) override {
+		_impl->setOnStateUpdated(std::move(onStateUpdated));
+	}
+	void setOnSignalBarsUpdated(
+			Fn<void(int)> onSignalBarsUpdated) override {
+		_impl->setOnSignalBarsUpdated(std::move(onSignalBarsUpdated));
+	}
+	TgVoipFinalState stop() override {
+		return _impl->stop();
+	}
+
+private:
+	const std::unique_ptr<TgVoip> _impl;
+
+};
+
+} // namespace Calls

Telegram/SourceFiles/calls/calls_panel.cpp

@@ -11,6 +11,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_user.h"
 #include "data/data_file_origin.h"
+#include "data/data_photo_media.h"
+#include "data/data_cloud_file.h"
 #include "calls/calls_emoji_fingerprint.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/labels.h"
@@ -299,7 +301,8 @@ QImage Panel::Button::prepareRippleMask() const {
 }
 
 Panel::Panel(not_null<Call*> call)
-: _call(call)
+: RpWidget(Core::App().getModalParent())
+, _call(call)
 , _user(call->user())
 , _answerHangupRedial(this, st::callAnswer, &st::callHangup)
 , _decline(this, object_ptr<Button>(this, st::callHangup))
@@ -318,6 +321,8 @@ Panel::Panel(not_null<Call*> call)
 	showAndActivate();
 }
 
+Panel::~Panel() = default;
+
 void Panel::showAndActivate() {
 	toggleOpacityAnimation(true);
 	raise();
@@ -486,6 +491,7 @@ void Panel::finishAnimating() {
 
 void Panel::showControls() {
 	Expects(_call != nullptr);
+
 	showChildren();
 	_decline->setVisible(_decline->toggled());
 	_cancel->setVisible(_cancel->toggled());
@@ -507,43 +513,39 @@ void Panel::hideAndDestroy() {
 }
 
 void Panel::processUserPhoto() {
-	if (!_user->userpicLoaded()) {
-		_user->loadUserpic();
-	}
+	_userpic = _user->createUserpicView();
+	_user->loadUserpic();
 	const auto photo = _user->userpicPhotoId()
 		? _user->owner().photo(_user->userpicPhotoId()).get()
 		: nullptr;
 	if (isGoodUserPhoto(photo)) {
-		photo->large()->load(_user->userpicPhotoOrigin());
-	} else if (_user->userpicPhotoUnknown() || (photo && !photo->date)) {
-		_user->session().api().requestFullPeer(_user);
+		_photo = photo->createMediaView();
+		_photo->wanted(Data::PhotoSize::Large, _user->userpicPhotoOrigin());
+	} else {
+		_photo = nullptr;
+		if (_user->userpicPhotoUnknown() || (photo && !photo->date)) {
+			_user->session().api().requestFullPeer(_user);
+		}
 	}
 	refreshUserPhoto();
 }
 
 void Panel::refreshUserPhoto() {
-	const auto photo = _user->userpicPhotoId()
-		? _user->owner().photo(_user->userpicPhotoId()).get()
-		: nullptr;
-	const auto isNewPhoto = [&](not_null<PhotoData*> photo) {
-		return photo->large()->loaded()
-			&& (photo->id != _userPhotoId || !_userPhotoFull);
-	};
-	if (isGoodUserPhoto(photo) && isNewPhoto(photo)) {
-		_userPhotoId = photo->id;
+	const auto isNewBigPhoto = [&] {
+		return _photo
+			&& _photo->loaded()
+			&& (_photo->owner()->id != _userPhotoId || !_userPhotoFull);
+	}();
+	if (isNewBigPhoto) {
+		_userPhotoId = _photo->owner()->id;
 		_userPhotoFull = true;
-		createUserpicCache(
-			photo->isNull() ? nullptr : photo->large().get(),
-			_user->userpicPhotoOrigin());
+		createUserpicCache(_photo->image(Data::PhotoSize::Large));
 	} else if (_userPhoto.isNull()) {
-		const auto userpic = _user->currentUserpic();
-		createUserpicCache(
-			userpic ? userpic.get() : nullptr,
-			_user->userpicOrigin());
+		createUserpicCache(_userpic ? _userpic->image() : nullptr);
 	}
 }
 
-void Panel::createUserpicCache(Image *image, Data::FileOrigin origin) {
+void Panel::createUserpicCache(Image *image) {
 	auto size = st::callWidth * cIntRetinaFactor();
 	auto options = _useTransparency ? (Images::Option::RoundedLarge | Images::Option::RoundedTopLeft | Images::Option::RoundedTopRight | Images::Option::Smooth) : Images::Option::None;
 	if (image) {
@@ -557,7 +559,6 @@ void Panel::createUserpicCache(Image *image, Data::FileOrigin origin) {
 			width = size;
 		}
 		_userPhoto = image->pixNoCache(
-			origin,
 			width,
 			height,
 			options,
@@ -595,14 +596,18 @@ bool Panel::isGoodUserPhoto(PhotoData *photo) {
 }
 
 void Panel::initGeometry() {
-	auto center = Core::App().getPointForCallPanelCenter();
+	const auto center = Core::App().getPointForCallPanelCenter();
 	_useTransparency = Ui::Platform::TranslucentWindowsSupported(center);
 	setAttribute(Qt::WA_OpaquePaintEvent, !_useTransparency);
 	_padding = _useTransparency ? st::callShadow.extend : style::margins(st::lineWidth, st::lineWidth, st::lineWidth, st::lineWidth);
 	_contentTop = _padding.top() + st::callWidth;
-	auto screen = QApplication::desktop()->screenGeometry(center);
-	auto rect = QRect(0, 0, st::callWidth, st::callHeight);
-	setGeometry(rect.translated(center - rect.center()).marginsAdded(_padding));
+	const auto rect = [&] {
+		const QRect initRect(0, 0, st::callWidth, st::callHeight);
+		return initRect.translated(center - initRect.center()).marginsAdded(_padding);
+	}();
+	setGeometry(rect);
+	setMinimumSize(rect.size());
+	setMaximumSize(rect.size());
 	createBottomImage();
 	updateControlsGeometry();
 }

Telegram/SourceFiles/calls/calls_panel.h

@@ -14,6 +14,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/effects/animations.h"
 #include "ui/rp_widget.h"
 
+class Image;
+
+namespace Data {
+class PhotoMedia;
+class CloudImageView;
+} // namespace Data
+
 namespace Ui {
 class IconButton;
 class FlatLabel;
@@ -56,6 +63,7 @@ class Panel
 
 public:
 	Panel(not_null<Call*> call);
+	~Panel();
 
 	void showAndActivate();
 	void replaceCall(not_null<Call*> call);
@@ -93,7 +101,7 @@ private:
 	void processUserPhoto();
 	void refreshUserPhoto();
 	bool isGoodUserPhoto(PhotoData *photo);
-	void createUserpicCache(Image *image, Data::FileOrigin origin);
+	void createUserpicCache(Image *image);
 	QRect signalBarsRect() const;
 	void paintSignalBarsBg(Painter &p);
 
@@ -111,6 +119,8 @@ private:
 
 	Call *_call = nullptr;
 	not_null<UserData*> _user;
+	std::shared_ptr<Data::CloudImageView> _userpic;
+	std::shared_ptr<Data::PhotoMedia> _photo;
 
 	bool _useTransparency = true;
 	style::margins _padding;

Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "chat_helpers/field_autocomplete.h"
 
 #include "data/data_document.h"
+#include "data/data_document_media.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_user.h"
@@ -49,9 +50,9 @@ FieldAutocomplete::FieldAutocomplete(
 			&_srows));
 	_inner->setGeometry(rect());
 
-	connect(_inner, SIGNAL(mentionChosen(UserData*, FieldAutocomplete::ChooseMethod)), this, SIGNAL(mentionChosen(UserData*, FieldAutocomplete::ChooseMethod)));
-	connect(_inner, SIGNAL(hashtagChosen(QString, FieldAutocomplete::ChooseMethod)), this, SIGNAL(hashtagChosen(QString, FieldAutocomplete::ChooseMethod)));
-	connect(_inner, SIGNAL(botCommandChosen(QString, FieldAutocomplete::ChooseMethod)), this, SIGNAL(botCommandChosen(QString, FieldAutocomplete::ChooseMethod)));
+	connect(_inner, SIGNAL(mentionChosen(not_null<UserData*>,FieldAutocomplete::ChooseMethod)), this, SIGNAL(mentionChosen(not_null<UserData*>,FieldAutocomplete::ChooseMethod)));
+	connect(_inner, SIGNAL(hashtagChosen(QString,FieldAutocomplete::ChooseMethod)), this, SIGNAL(hashtagChosen(QString,FieldAutocomplete::ChooseMethod)));
+	connect(_inner, SIGNAL(botCommandChosen(QString,FieldAutocomplete::ChooseMethod)), this, SIGNAL(botCommandChosen(QString,FieldAutocomplete::ChooseMethod)));
 	connect(_inner, SIGNAL(stickerChosen(not_null<DocumentData*>,FieldAutocomplete::ChooseMethod)), this, SIGNAL(stickerChosen(not_null<DocumentData*>,FieldAutocomplete::ChooseMethod)));
 	connect(_inner, SIGNAL(mustScrollTo(int, int)), _scroll, SLOT(scrollToY(int, int)));
 
@@ -151,7 +152,9 @@ void FieldAutocomplete::showStickers(EmojiPtr emoji) {
 }
 
 bool FieldAutocomplete::clearFilteredBotCommands() {
-	if (_brows.isEmpty()) return false;
+	if (_brows.empty()) {
+		return false;
+	}
 	_brows.clear();
 	return true;
 }
@@ -159,8 +162,8 @@ bool FieldAutocomplete::clearFilteredBotCommands() {
 namespace {
 template <typename T, typename U>
 inline int indexOfInFirstN(const T &v, const U &elem, int last) {
-	for (auto b = v.cbegin(), i = b, e = b + qMax(v.size(), last); i != e; ++i) {
-		if (*i == elem) {
+	for (auto b = v.cbegin(), i = b, e = b + std::max(int(v.size()), last); i != e; ++i) {
+		if (i->user == elem) {
 			return (i - b);
 		}
 	}
@@ -177,7 +180,10 @@ internal::StickerRows FieldAutocomplete::getStickerSuggestions() {
 	auto result = ranges::view::all(
 		list
 	) | ranges::view::transform([](not_null<DocumentData*> sticker) {
-		return internal::StickerSuggestion{ sticker };
+		return internal::StickerSuggestion{
+			sticker,
+			sticker->createMediaView()
+		};
 	}) | ranges::to_vector;
 	for (auto &suggestion : _srows) {
 		if (!suggestion.animated) {
@@ -237,12 +243,12 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 			for_const (auto user, cRecentInlineBots()) {
 				if (user->isInaccessible()) continue;
 				if (!listAllSuggestions && filterNotPassedByUsername(user)) continue;
-				mrows.push_back(user);
+				mrows.push_back({ user });
 				++recentInlineBots;
 			}
 		}
 		if (_chat) {
-			auto ordered = QMultiMap<TimeId, not_null<UserData*>>();
+			auto sorted = base::flat_multi_map<TimeId, not_null<UserData*>>();
 			const auto byOnline = [&](not_null<UserData*> user) {
 				return Data::SortByOnlineValue(user, now);
 			};
@@ -254,23 +260,19 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 					if (user->isInaccessible()) continue;
 					if (!listAllSuggestions && filterNotPassedByName(user)) continue;
 					if (indexOfInFirstN(mrows, user, recentInlineBots) >= 0) continue;
-					ordered.insertMulti(byOnline(user), user);
+					sorted.emplace(byOnline(user), user);
 				}
 			}
 			for (const auto user : _chat->lastAuthors) {
 				if (user->isInaccessible()) continue;
 				if (!listAllSuggestions && filterNotPassedByName(user)) continue;
 				if (indexOfInFirstN(mrows, user, recentInlineBots) >= 0) continue;
-				mrows.push_back(user);
-				if (!ordered.isEmpty()) {
-					ordered.remove(byOnline(user), user);
-				}
+				mrows.push_back({ user });
+				sorted.remove(byOnline(user), user);
 			}
-			if (!ordered.isEmpty()) {
-				for (auto i = ordered.cend(), b = ordered.cbegin(); i != b;) {
-					--i;
-					mrows.push_back(i.value());
-				}
+			for (auto i = sorted.cend(), b = sorted.cbegin(); i != b;) {
+				--i;
+				mrows.push_back({ i->second });
 			}
 		} else if (_channel && _channel->isMegagroup()) {
 			QMultiMap<int32, UserData*> ordered;
@@ -282,7 +284,7 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 					if (user->isInaccessible()) continue;
 					if (!listAllSuggestions && filterNotPassedByName(user)) continue;
 					if (indexOfInFirstN(mrows, user, recentInlineBots) >= 0) continue;
-					mrows.push_back(user);
+					mrows.push_back({ user });
 				}
 			}
 		}
@@ -374,7 +376,7 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 								continue;
 							}
 						}
-						brows.push_back(qMakePair(user, &user->botInfo->commands.at(j)));
+						brows.push_back({ user, &user->botInfo->commands.at(j) });
 					}
 				}
 			}
@@ -386,7 +388,7 @@ void FieldAutocomplete::updateFiltered(bool resetScroll) {
 							QString toFilter = (hasUsername || botStatus == 0 || botStatus == 2) ? user->botInfo->commands.at(j).command + '@' + user->username : user->botInfo->commands.at(j).command;
 							if (!toFilter.startsWith(_filter, Qt::CaseInsensitive)/* || toFilter.size() == _filter.size()*/) continue;
 						}
-						brows.push_back(qMakePair(user, &user->botInfo->commands.at(j)));
+						brows.push_back({ user, &user->botInfo->commands.at(j) });
 					}
 				}
 			}
@@ -407,7 +409,7 @@ void FieldAutocomplete::rowsUpdated(
 		internal::BotCommandRows &&brows,
 		internal::StickerRows &&srows,
 		bool resetScroll) {
-	if (mrows.isEmpty() && hrows.isEmpty() && brows.isEmpty() && srows.empty()) {
+	if (mrows.empty() && hrows.empty() && brows.empty() && srows.empty()) {
 		if (!isHidden()) {
 			hideAnimated();
 		}
@@ -448,11 +450,11 @@ void FieldAutocomplete::recount(bool resetScroll) {
 		int32 stickersPerRow = qMax(1, int32(_boundings.width() - 2 * st::stickerPanPadding) / int32(st::stickerPanSize.width()));
 		int32 rows = rowscount(_srows.size(), stickersPerRow);
 		h = st::stickerPanPadding + rows * st::stickerPanSize.height();
-	} else if (!_mrows.isEmpty()) {
+	} else if (!_mrows.empty()) {
 		h = _mrows.size() * st::mentionHeight;
-	} else if (!_hrows.isEmpty()) {
+	} else if (!_hrows.empty()) {
 		h = _hrows.size() * st::mentionHeight;
-	} else if (!_brows.isEmpty()) {
+	} else if (!_brows.empty()) {
 		h = _brows.size() * st::mentionHeight;
 	}
 
@@ -634,11 +636,12 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 
 				auto &sticker = (*_srows)[index];
 				const auto document = sticker.document;
+				const auto &media = sticker.documentMedia;
 				if (!document->sticker()) continue;
 
 				if (document->sticker()->animated
 					&& !sticker.animated
-					&& document->loaded()) {
+					&& media->loaded()) {
 					setupLottie(sticker);
 				}
 
@@ -649,7 +652,7 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 					App::roundRect(p, QRect(tl, st::stickerPanSize), st::emojiPanHover, StickerHoverCorners);
 				}
 
-				document->checkStickerSmall();
+				media->checkStickerSmall();
 				auto w = 1;
 				auto h = 1;
 				if (sticker.animated && !document->dimensions.isEmpty()) {
@@ -680,15 +683,19 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 					if (!paused) {
 						sticker.animated->markFrameShown();
 					}
-				} else if (const auto image = document->getStickerSmall()) {
+				} else if (const auto image = media->getStickerSmall()) {
 					QPoint ppos = pos + QPoint((st::stickerPanSize.width() - w) / 2, (st::stickerPanSize.height() - h) / 2);
-					p.drawPixmapLeft(ppos, width(), image->pix(document->stickerSetOrigin(), w, h));
+					p.drawPixmapLeft(ppos, width(), image->pix(w, h));
 				}
 			}
 		}
 	} else {
 		int32 from = qFloor(e->rect().top() / st::mentionHeight), to = qFloor(e->rect().bottom() / st::mentionHeight) + 1;
-		int32 last = _mrows->isEmpty() ? (_hrows->isEmpty() ? _brows->size() : _hrows->size()) : _mrows->size();
+		int32 last = !_mrows->empty()
+			? _mrows->size()
+			: !_hrows->empty()
+			? _hrows->size()
+			: _brows->size();
 		auto filter = _parent->filter();
 		bool hasUsername = filter.indexOf('@') > 0;
 		int filterSize = filter.size();
@@ -700,12 +707,13 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 			if (selected) {
 				p.fillRect(0, i * st::mentionHeight, width(), st::mentionHeight, st::mentionBgOver);
 				int skip = (st::mentionHeight - st::smallCloseIconOver.height()) / 2;
-				if (!_hrows->isEmpty() || (!_mrows->isEmpty() && i < _recentInlineBotsInRows)) {
+				if (!_hrows->empty() || (!_mrows->empty() && i < _recentInlineBotsInRows)) {
 					st::smallCloseIconOver.paint(p, QPoint(width() - st::smallCloseIconOver.width() - skip, i * st::mentionHeight + skip), width());
 				}
 			}
-			if (!_mrows->isEmpty()) {
-				const auto user = _mrows->at(i);
+			if (!_mrows->empty()) {
+				auto &row = _mrows->at(i);
+				const auto user = row.user;
 				auto first = (!filterIsEmpty && user->username.startsWith(filter, Qt::CaseInsensitive)) ? ('@' + user->username.mid(0, filterSize)) : QString();
 				auto second = first.isEmpty() ? (user->username.isEmpty() ? QString() : ('@' + user->username)) : user->username.mid(filterSize);
 				auto firstwidth = st::mentionFont->width(first);
@@ -727,7 +735,7 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 					}
 				}
 				user->loadUserpic();
-				user->paintUserpicLeft(p, st::mentionPadding.left(), i * st::mentionHeight + st::mentionPadding.top(), width(), st::mentionPhotoSize);
+				user->paintUserpicLeft(p, row.userpic, st::mentionPadding.left(), i * st::mentionHeight + st::mentionPadding.top(), width(), st::mentionPhotoSize);
 
 				p.setPen(selected ? st::mentionNameFgOver : st::mentionNameFg);
 				user->nameText().drawElided(p, 2 * st::mentionPadding.left() + st::mentionPhotoSize, i * st::mentionHeight + st::mentionTop, namewidth);
@@ -739,7 +747,7 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 					p.setPen(selected ? st::mentionFgOver : st::mentionFg);
 					p.drawText(mentionleft + namewidth + st::mentionPadding.right() + firstwidth, i * st::mentionHeight + st::mentionTop + st::mentionFont->ascent, second);
 				}
-			} else if (!_hrows->isEmpty()) {
+			} else if (!_hrows->empty()) {
 				QString hrow = _hrows->at(i);
 				QString first = filterIsEmpty ? QString() : ('#' + hrow.mid(0, filterSize));
 				QString second = filterIsEmpty ? ('#' + hrow) : hrow.mid(filterSize);
@@ -763,16 +771,17 @@ void FieldAutocompleteInner::paintEvent(QPaintEvent *e) {
 					p.drawText(htagleft + firstwidth, i * st::mentionHeight + st::mentionTop + st::mentionFont->ascent, second);
 				}
 			} else {
-				UserData *user = _brows->at(i).first;
+				auto &row = _brows->at(i);
+				const auto user = row.user;
 
-				const BotCommand *command = _brows->at(i).second;
-				QString toHighlight = command->command;
+				const auto command = row.command;
+				auto toHighlight = command->command;
 				int32 botStatus = _parent->chat() ? _parent->chat()->botStatus : ((_parent->channel() && _parent->channel()->isMegagroup()) ? _parent->channel()->mgInfo->botStatus : -1);
 				if (hasUsername || botStatus == 0 || botStatus == 2) {
 					toHighlight += '@' + user->username;
 				}
 				user->loadUserpic();
-				user->paintUserpicLeft(p, st::mentionPadding.left(), i * st::mentionHeight + st::mentionPadding.top(), width(), st::mentionPhotoSize);
+				user->paintUserpicLeft(p, row.userpic, st::mentionPadding.left(), i * st::mentionHeight + st::mentionPadding.top(), width(), st::mentionPhotoSize);
 
 				auto commandText = '/' + toHighlight;
 
@@ -815,7 +824,7 @@ void FieldAutocompleteInner::clearSel(bool hidden) {
 	_overDelete = false;
 	_mouseSelection = false;
 	_lastMousePosition = std::nullopt;
-	setSel((_mrows->isEmpty() && _brows->isEmpty() && _hrows->isEmpty()) ? -1 : 0);
+	setSel((_mrows->empty() && _brows->empty() && _hrows->empty()) ? -1 : 0);
 	if (hidden) {
 		_down = -1;
 		_previewShown = false;
@@ -826,7 +835,13 @@ bool FieldAutocompleteInner::moveSel(int key) {
 	_mouseSelection = false;
 	_lastMousePosition = std::nullopt;
 
-	int32 maxSel = (_mrows->isEmpty() ? (_hrows->isEmpty() ? (_brows->isEmpty() ? _srows->size() : _brows->size()) : _hrows->size()) : _mrows->size());
+	int32 maxSel = !_mrows->empty()
+		? _mrows->size()
+		: !_hrows->empty()
+		? _hrows->size()
+		: !_brows->empty()
+		? _brows->size()
+		: _srows->size();
 	int32 direction = (key == Qt::Key_Up) ? -1 : (key == Qt::Key_Down ? 1 : 0);
 	if (!_srows->empty()) {
 		if (key == Qt::Key_Left) {
@@ -857,20 +872,20 @@ bool FieldAutocompleteInner::chooseSelected(FieldAutocomplete::ChooseMethod meth
 			emit stickerChosen((*_srows)[_sel].document, method);
 			return true;
 		}
-	} else if (!_mrows->isEmpty()) {
+	} else if (!_mrows->empty()) {
 		if (_sel >= 0 && _sel < _mrows->size()) {
-			emit mentionChosen(_mrows->at(_sel), method);
+			emit mentionChosen(_mrows->at(_sel).user, method);
 			return true;
 		}
-	} else if (!_hrows->isEmpty()) {
+	} else if (!_hrows->empty()) {
 		if (_sel >= 0 && _sel < _hrows->size()) {
 			emit hashtagChosen('#' + _hrows->at(_sel), method);
 			return true;
 		}
-	} else if (!_brows->isEmpty()) {
+	} else if (!_brows->empty()) {
 		if (_sel >= 0 && _sel < _brows->size()) {
-			UserData *user = _brows->at(_sel).first;
-			const BotCommand *command(_brows->at(_sel).second);
+			const auto user = _brows->at(_sel).user;
+			const auto command = _brows->at(_sel).command;
 			int32 botStatus = _parent->chat() ? _parent->chat()->botStatus : ((_parent->channel() && _parent->channel()->isMegagroup()) ? _parent->channel()->mgInfo->botStatus : -1);
 			if (botStatus == 0 || botStatus == 2 || _parent->filter().indexOf('@') > 0) {
 				emit botCommandChosen('/' + command->command + '@' + user->username, method);
@@ -890,9 +905,9 @@ void FieldAutocompleteInner::setRecentInlineBotsInRows(int32 bots) {
 void FieldAutocompleteInner::mousePressEvent(QMouseEvent *e) {
 	selectByMouse(e->globalPos());
 	if (e->button() == Qt::LeftButton) {
-		if (_overDelete && _sel >= 0 && _sel < (_mrows->isEmpty() ? _hrows->size() : _recentInlineBotsInRows)) {
+		if (_overDelete && _sel >= 0 && _sel < (_mrows->empty() ? _hrows->size() : _recentInlineBotsInRows)) {
 			bool removed = false;
-			if (_mrows->isEmpty()) {
+			if (_mrows->empty()) {
 				QString toRemove = _hrows->at(_sel);
 				RecentHashtagPack &recent(cRefRecentWriteHashtags());
 				for (RecentHashtagPack::iterator i = recent.begin(); i != recent.cend();) {
@@ -904,7 +919,7 @@ void FieldAutocompleteInner::mousePressEvent(QMouseEvent *e) {
 					}
 				}
 			} else {
-				UserData *toRemove = _mrows->at(_sel);
+				UserData *toRemove = _mrows->at(_sel).user;
 				RecentInlineBots &recent(cRefRecentInlineBots());
 				int32 index = recent.indexOf(toRemove);
 				if (index >= 0) {
@@ -1003,7 +1018,7 @@ auto FieldAutocompleteInner::getLottieRenderer()
 void FieldAutocompleteInner::setupLottie(StickerSuggestion &suggestion) {
 	const auto document = suggestion.document;
 	suggestion.animated = Stickers::LottiePlayerFromDocument(
-		document,
+		suggestion.documentMedia.get(),
 		Stickers::LottieSize::InlineResults,
 		stickerBoundingBox() * cIntRetinaFactor(),
 		Lottie::Quality::Default,
@@ -1061,8 +1076,12 @@ void FieldAutocompleteInner::selectByMouse(QPoint globalPosition) {
 		_overDelete = false;
 	} else {
 		sel = mouse.y() / int32(st::mentionHeight);
-		maxSel = _mrows->isEmpty() ? (_hrows->isEmpty() ? _brows->size() : _hrows->size()) : _mrows->size();
-		_overDelete = (!_hrows->isEmpty() || (!_mrows->isEmpty() && sel < _recentInlineBotsInRows)) ? (mouse.x() >= width() - st::mentionHeight) : false;
+		maxSel = !_mrows->empty()
+			? _mrows->size()
+			: !_hrows->empty()
+			? _hrows->size()
+			: _brows->size();
+		_overDelete = (!_hrows->empty() || (!_mrows->empty() && sel < _recentInlineBotsInRows)) ? (mouse.x() >= width() - st::mentionHeight) : false;
 	}
 	if (sel < 0 || sel >= maxSel) {
 		sel = -1;

Telegram/SourceFiles/chat_helpers/field_autocomplete.h

@@ -26,17 +26,34 @@ namespace Window {
 class SessionController;
 } // namespace Window
 
+namespace Data {
+class DocumentMedia;
+class CloudImageView;
+} // namespace Data
+
 namespace internal {
 
 struct StickerSuggestion {
 	not_null<DocumentData*> document;
+	std::shared_ptr<Data::DocumentMedia> documentMedia;
 	std::unique_ptr<Lottie::SinglePlayer> animated;
 };
 
-using MentionRows = QList<UserData*>;
-using HashtagRows = QList<QString>;
-using BotCommandRows = QList<QPair<UserData*, const BotCommand*>>;
+struct MentionRow {
+	not_null<UserData*> user;
+	std::shared_ptr<Data::CloudImageView> userpic;
+};
+
+struct BotCommandRow {
+	not_null<UserData*> user;
+	not_null<const BotCommand*> command;
+	std::shared_ptr<Data::CloudImageView> userpic;
+};
+
+using HashtagRows = std::vector<QString>;
+using BotCommandRows = std::vector<BotCommandRow>;
 using StickerRows = std::vector<StickerSuggestion>;
+using MentionRows = std::vector<MentionRow>;
 
 class FieldAutocompleteInner;
 
@@ -89,7 +106,7 @@ public:
 	void hideFast();
 
 signals:
-	void mentionChosen(UserData *user, FieldAutocomplete::ChooseMethod method) const;
+	void mentionChosen(not_null<UserData*> user, FieldAutocomplete::ChooseMethod method) const;
 	void hashtagChosen(QString hashtag, FieldAutocomplete::ChooseMethod method) const;
 	void botCommandChosen(QString command, FieldAutocomplete::ChooseMethod method) const;
 	void stickerChosen(not_null<DocumentData*> sticker, FieldAutocomplete::ChooseMethod method) const;
@@ -177,7 +194,7 @@ public:
 	void rowsUpdated();
 
 signals:
-	void mentionChosen(UserData *user, FieldAutocomplete::ChooseMethod method) const;
+	void mentionChosen(not_null<UserData*> user, FieldAutocomplete::ChooseMethod method) const;
 	void hashtagChosen(QString hashtag, FieldAutocomplete::ChooseMethod method) const;
 	void botCommandChosen(QString command, FieldAutocomplete::ChooseMethod method) const;
 	void stickerChosen(not_null<DocumentData*> sticker, FieldAutocomplete::ChooseMethod method) const;

Telegram/SourceFiles/chat_helpers/gifs_list_widget.cpp

@@ -13,6 +13,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_user.h"
 #include "data/data_file_origin.h"
+#include "data/data_photo_media.h"
+#include "data/data_document_media.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/input_fields.h"
 #include "ui/effects/ripple_animation.h"
@@ -248,14 +250,18 @@ void GifsListWidget::inlineResultsDone(const MTPmessages_BotResults &result) {
 				_inlineQuery,
 				std::make_unique<InlineCacheEntry>()).first;
 		}
-		auto entry = it->second.get();
+		const auto entry = it->second.get();
 		entry->nextOffset = qs(d.vnext_offset().value_or_empty());
-		if (auto count = v.size()) {
+		if (const auto count = v.size()) {
 			entry->results.reserve(entry->results.size() + count);
 		}
 		auto added = 0;
-		for_const (const auto &res, v) {
-			if (auto result = InlineBots::Result::create(queryId, res)) {
+		for (const auto &res : v) {
+			auto result = InlineBots::Result::Create(
+				&controller()->session(),
+				queryId,
+				res);
+			if (result) {
 				++added;
 				entry->results.push_back(std::move(result));
 			}
@@ -369,23 +375,32 @@ void GifsListWidget::selectInlineResult(int row, int column) {
 		return;
 	}
 
+	const auto ctrl = (QGuiApplication::keyboardModifiers()
+		== Qt::ControlModifier);
 	auto item = _rows[row].items[column];
 	if (const auto photo = item->getPhoto()) {
-		if (photo->thumbnail()->loaded()) {
+		using Data::PhotoSize;
+		const auto media = photo->activeMediaView();
+		if (ctrl
+			|| (media && media->image(PhotoSize::Thumbnail))
+			|| (media && media->image(PhotoSize::Large))) {
 			_photoChosen.fire_copy(photo);
-		} else if (!photo->thumbnail()->loading()) {
-			photo->thumbnail()->loadEvenCancelled(Data::FileOrigin());
+		} else if (!photo->loading(PhotoSize::Thumbnail)) {
+			photo->load(PhotoSize::Thumbnail, Data::FileOrigin());
 		}
 	} else if (const auto document = item->getDocument()) {
-		if (document->loaded()
-			|| QGuiApplication::keyboardModifiers() == Qt::ControlModifier) {
+		const auto media = document->activeMediaView();
+		const auto preview = Data::VideoPreviewState(media.get());
+		if (ctrl || (media && preview.loaded())) {
 			_fileChosen.fire_copy(document);
-		} else if (document->loading()) {
-			document->cancel();
-		} else {
-			document->save(
-				document->stickerOrGifOrigin(),
-				QString());
+		} else if (!preview.usingThumbnail()) {
+			if (preview.loading()) {
+				document->cancel();
+			} else {
+				document->save(
+					document->stickerOrGifOrigin(),
+					QString());
+			}
 		}
 	} else if (const auto inlineResult = item->getResult()) {
 		if (inlineResult->onChoose(item)) {
@@ -429,28 +444,21 @@ TabbedSelector::InnerFooter *GifsListWidget::getFooter() const {
 
 void GifsListWidget::processHideFinished() {
 	clearSelection();
+	clearHeavyData();
 }
 
 void GifsListWidget::processPanelHideFinished() {
-	const auto itemForget = [](const auto &item) {
-		if (const auto document = item->getDocument()) {
-			document->unload();
-		}
-		if (const auto photo = item->getPhoto()) {
-			photo->unload();
-		}
-		if (const auto result = item->getResult()) {
-			result->unload();
-		}
-		item->unloadAnimation();
-	};
+	clearHeavyData();
+}
+
+void GifsListWidget::clearHeavyData() {
 	// Preserve panel state through visibility toggles.
 	//clearInlineRows(false);
 	for (const auto &[document, layout] : _gifLayouts) {
-		itemForget(layout);
+		layout->unloadHeavyPart();
 	}
 	for (const auto &[document, layout] : _inlineLayouts) {
-		itemForget(layout);
+		layout->unloadHeavyPart();
 	}
 }
 
@@ -541,11 +549,13 @@ void GifsListWidget::clearInlineRows(bool resultsDeleted) {
 	_rows.clear();
 }
 
-GifsListWidget::LayoutItem *GifsListWidget::layoutPrepareSavedGif(DocumentData *doc, int32 position) {
-	auto it = _gifLayouts.find(doc);
+GifsListWidget::LayoutItem *GifsListWidget::layoutPrepareSavedGif(
+		not_null<DocumentData*> document,
+		int32 position) {
+	auto it = _gifLayouts.find(document);
 	if (it == _gifLayouts.cend()) {
-		if (auto layout = LayoutItem::createLayoutGif(this, doc)) {
-			it = _gifLayouts.emplace(doc, std::move(layout)).first;
+		if (auto layout = LayoutItem::createLayoutGif(this, document)) {
+			it = _gifLayouts.emplace(document, std::move(layout)).first;
 			it->second->initDimensions();
 		} else {
 			return nullptr;
@@ -557,10 +567,15 @@ GifsListWidget::LayoutItem *GifsListWidget::layoutPrepareSavedGif(DocumentData *
 	return it->second.get();
 }
 
-GifsListWidget::LayoutItem *GifsListWidget::layoutPrepareInlineResult(InlineResult *result, int32 position) {
+GifsListWidget::LayoutItem *GifsListWidget::layoutPrepareInlineResult(
+		not_null<InlineResult*> result,
+		int32 position) {
 	auto it = _inlineLayouts.find(result);
 	if (it == _inlineLayouts.cend()) {
-		if (auto layout = LayoutItem::createLayout(this, result, _inlineWithThumb)) {
+		if (auto layout = LayoutItem::createLayout(
+				this,
+				result,
+				_inlineWithThumb)) {
 			it = _inlineLayouts.emplace(result, std::move(layout)).first;
 			it->second->initDimensions();
 		} else {
@@ -1026,15 +1041,13 @@ void GifsListWidget::showPreview() {
 		auto layout = _rows[row].items[col];
 		if (const auto w = App::wnd()) {
 			if (const auto previewDocument = layout->getPreviewDocument()) {
-				w->showMediaPreview(
+				_previewShown = w->showMediaPreview(
 					Data::FileOriginSavedGifs(),
 					previewDocument);
-				_previewShown = true;
 			} else if (const auto previewPhoto = layout->getPreviewPhoto()) {
-				w->showMediaPreview(
+				_previewShown = w->showMediaPreview(
 					Data::FileOrigin(),
 					previewPhoto);
-				_previewShown = true;
 			}
 		}
 	}

Telegram/SourceFiles/chat_helpers/gifs_list_widget.h

@@ -102,6 +102,7 @@ private:
 		InlineResults results;
 	};
 
+	void clearHeavyData();
 	void cancelGifsSearch();
 	void switchToSavedGifs();
 	void refreshSavedGifs();
@@ -133,11 +134,19 @@ private:
 	QVector<Row> _rows;
 	void clearInlineRows(bool resultsDeleted);
 
-	std::map<DocumentData*, std::unique_ptr<LayoutItem>> _gifLayouts;
-	LayoutItem *layoutPrepareSavedGif(DocumentData *doc, int32 position);
+	std::map<
+		not_null<DocumentData*>,
+		std::unique_ptr<LayoutItem>> _gifLayouts;
+	LayoutItem *layoutPrepareSavedGif(
+		not_null<DocumentData*> document,
+		int32 position);
 
-	std::map<InlineResult*, std::unique_ptr<LayoutItem>> _inlineLayouts;
-	LayoutItem *layoutPrepareInlineResult(InlineResult *result, int32 position);
+	std::map<
+		not_null<InlineResult*>,
+		std::unique_ptr<LayoutItem>> _inlineLayouts;
+	LayoutItem *layoutPrepareInlineResult(
+		not_null<InlineResult*> result,
+		int32 position);
 
 	bool inlineRowsAddItem(DocumentData *savedGif, InlineResult *result, Row &row, int32 &sumWidth);
 	bool inlineRowFinalize(Row &row, int32 &sumWidth, bool force = false);

Telegram/SourceFiles/chat_helpers/message_field.cpp

@@ -38,6 +38,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace {
 
+using namespace Ui::Text;
+
 using EditLinkAction = Ui::InputField::EditLinkAction;
 using EditLinkSelection = Ui::InputField::EditLinkSelection;
 
@@ -298,7 +300,7 @@ bool HasSendText(not_null<const Ui::InputField*> field) {
 		if (code != ' '
 			&& code != '\n'
 			&& code != '\r'
-			&& !chReplacedBySpace(code)) {
+			&& !IsReplacedBySpace(code)) {
 			return true;
 		}
 	}
@@ -585,13 +587,14 @@ void MessageLinksParser::parse() {
 		const QChar *domainEnd = start + m.capturedEnd(), *p = domainEnd;
 		for (; p < end; ++p) {
 			QChar ch(*p);
-			if (chIsLinkEnd(ch)) break; // link finished
-			if (chIsAlmostLinkEnd(ch)) {
+			if (IsLinkEnd(ch)) {
+				break; // link finished
+			} else if (IsAlmostLinkEnd(ch)) {
 				const QChar *endTest = p + 1;
-				while (endTest < end && chIsAlmostLinkEnd(*endTest)) {
+				while (endTest < end && IsAlmostLinkEnd(*endTest)) {
 					++endTest;
 				}
-				if (endTest >= end || chIsLinkEnd(*endTest)) {
+				if (endTest >= end || IsLinkEnd(*endTest)) {
 					break; // link finished at p
 				}
 				p = endTest;

Telegram/SourceFiles/chat_helpers/stickers.cpp

@@ -5,11 +5,13 @@ the official desktop application for the Telegram messaging service.
 For license and copyright information please follow this link:
 https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
-#include "stickers.h"
+#include "chat_helpers/stickers.h"
 
 #include "data/data_document.h"
+#include "data/data_document_media.h"
 #include "data/data_session.h"
 #include "data/data_file_origin.h"
+#include "chat_helpers/stickers_set.h"
 #include "boxes/stickers_box.h"
 #include "boxes/confirm_box.h"
 #include "lang/lang_keys.h"
@@ -20,6 +22,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mainwindow.h"
 #include "ui/toast/toast.h"
 #include "ui/emoji_config.h"
+#include "ui/image/image_location_factory.h"
 #include "base/unixtime.h"
 #include "lottie/lottie_single_player.h"
 #include "lottie/lottie_multi_player.h"
@@ -40,7 +43,7 @@ void ApplyArchivedResult(const MTPDmessages_stickerSetInstallResultArchive &d) {
 	Order archived;
 	archived.reserve(v.size());
 	QMap<uint64, uint64> setsToRequest;
-	for_const (auto &stickerSet, v) {
+	for (const auto &stickerSet : v) {
 		const MTPDstickerSet *setData = nullptr;
 		switch (stickerSet.type()) {
 		case mtpc_stickerSetCovered: {
@@ -90,21 +93,22 @@ void ApplyArchivedResult(const MTPDmessages_stickerSetInstallResultArchive &d) {
 // For testing: Just apply random subset or your sticker sets as archived.
 bool ApplyArchivedResultFake() {
 	auto sets = QVector<MTPStickerSetCovered>();
-	for (auto &set : Auth().data().stickerSetsRef()) {
-		if ((set.flags & MTPDstickerSet::Flag::f_installed_date)
-			&& !(set.flags & MTPDstickerSet_ClientFlag::f_special)) {
+	for (const auto &[id, set] : Auth().data().stickerSets()) {
+		const auto raw = set.get();
+		if ((raw->flags & MTPDstickerSet::Flag::f_installed_date)
+			&& !(raw->flags & MTPDstickerSet_ClientFlag::f_special)) {
 			if (rand_value<uint32>() % 128 < 64) {
 				const auto data = MTP_stickerSet(
-					MTP_flags(set.flags | MTPDstickerSet::Flag::f_archived),
-					MTP_int(set.installDate),
-					MTP_long(set.id),
-					MTP_long(set.access),
-					MTP_string(set.title),
-					MTP_string(set.shortName),
+					MTP_flags(raw->flags | MTPDstickerSet::Flag::f_archived),
+					MTP_int(raw->installDate),
+					MTP_long(raw->id),
+					MTP_long(raw->access),
+					MTP_string(raw->title),
+					MTP_string(raw->shortName),
 					MTP_photoSizeEmpty(MTP_string()),
 					MTP_int(0),
-					MTP_int(set.count),
-					MTP_int(set.hash));
+					MTP_int(raw->count),
+					MTP_int(raw->hash));
 				sets.push_back(MTP_stickerSetCovered(
 					data,
 					MTP_documentEmpty(MTP_long(0))));
@@ -127,11 +131,12 @@ void InstallLocally(uint64 setId) {
 		return;
 	}
 
-	auto flags = it->flags;
-	it->flags &= ~(MTPDstickerSet::Flag::f_archived | MTPDstickerSet_ClientFlag::f_unread);
-	it->flags |= MTPDstickerSet::Flag::f_installed_date;
-	it->installDate = base::unixtime::now();
-	auto changedFlags = flags ^ it->flags;
+	const auto set = it->second.get();
+	auto flags = set->flags;
+	set->flags &= ~(MTPDstickerSet::Flag::f_archived | MTPDstickerSet_ClientFlag::f_unread);
+	set->flags |= MTPDstickerSet::Flag::f_installed_date;
+	set->installDate = base::unixtime::now();
+	auto changedFlags = flags ^ set->flags;
 
 	auto &order = Auth().data().stickerSetsOrderRef();
 	int insertAtIndex = 0, currentIndex = order.indexOf(setId);
@@ -142,14 +147,15 @@ void InstallLocally(uint64 setId) {
 		order.insert(insertAtIndex, setId);
 	}
 
-	auto custom = sets.find(CustomSetId);
-	if (custom != sets.cend()) {
-		for_const (auto sticker, it->stickers) {
+	auto customIt = sets.find(CustomSetId);
+	if (customIt != sets.cend()) {
+		const auto custom = customIt->second.get();
+		for (const auto sticker : std::as_const(set->stickers)) {
 			int removeIndex = custom->stickers.indexOf(sticker);
 			if (removeIndex >= 0) custom->stickers.removeAt(removeIndex);
 		}
 		if (custom->stickers.isEmpty()) {
-			sets.erase(custom);
+			sets.erase(customIt);
 		}
 	}
 	Local::writeInstalledStickers();
@@ -167,14 +173,15 @@ void InstallLocally(uint64 setId) {
 }
 
 void UndoInstallLocally(uint64 setId) {
-	auto &sets = Auth().data().stickerSetsRef();
-	auto it = sets.find(setId);
+	const auto &sets = Auth().data().stickerSets();
+	const auto it = sets.find(setId);
 	if (it == sets.end()) {
 		return;
 	}
 
-	it->flags &= ~MTPDstickerSet::Flag::f_installed_date;
-	it->installDate = TimeId(0);
+	const auto set = it->second.get();
+	set->flags &= ~MTPDstickerSet::Flag::f_installed_date;
+	set->installDate = TimeId(0);
 
 	auto &order = Auth().data().stickerSetsOrderRef();
 	int currentIndex = order.indexOf(setId);
@@ -191,11 +198,12 @@ void UndoInstallLocally(uint64 setId) {
 }
 
 bool IsFaved(not_null<const DocumentData*> document) {
-	const auto it = Auth().data().stickerSets().constFind(FavedSetId);
-	if (it == Auth().data().stickerSets().cend()) {
+	const auto &sets = Auth().data().stickerSets();
+	const auto it = sets.find(FavedSetId);
+	if (it == sets.cend()) {
 		return false;
 	}
-	for (const auto sticker : it->stickers) {
+	for (const auto sticker : it->second->stickers) {
 		if (sticker == document) {
 			return true;
 		}
@@ -253,11 +261,14 @@ void MoveFavedToFront(Set &set, int index) {
 
 void RequestSetToPushFaved(not_null<DocumentData*> document);
 
-void SetIsFaved(not_null<DocumentData*> document, std::optional<std::vector<not_null<EmojiPtr>>> emojiList = std::nullopt) {
-	auto &sets = Auth().data().stickerSetsRef();
+void SetIsFaved(
+		not_null<DocumentData*> document,
+		std::optional<std::vector<not_null<EmojiPtr>>> emojiList = std::nullopt) {
+	auto &sets = document->owner().stickerSetsRef();
 	auto it = sets.find(FavedSetId);
 	if (it == sets.end()) {
-		it = sets.insert(FavedSetId, Set(
+		it = sets.emplace(FavedSetId, std::make_unique<Set>(
+			&document->owner(),
 			FavedSetId,
 			uint64(0),
 			Lang::Hard::FavedSetTitle(),
@@ -265,19 +276,19 @@ void SetIsFaved(not_null<DocumentData*> document, std::optional<std::vector<not_
 			0, // count
 			0, // hash
 			MTPDstickerSet_ClientFlag::f_special | 0,
-			TimeId(0),
-			ImagePtr()));
+			TimeId(0))).first;
 	}
-	auto index = it->stickers.indexOf(document);
+	const auto set = it->second.get();
+	auto index = set->stickers.indexOf(document);
 	if (index == 0) {
 		return;
 	}
 	if (index > 0) {
-		MoveFavedToFront(*it, index);
+		MoveFavedToFront(*set, index);
 	} else if (emojiList) {
-		PushFavedToFront(*it, document, *emojiList);
+		PushFavedToFront(*set, document, *emojiList);
 	} else if (auto list = GetEmojiListFromSet(document)) {
-		PushFavedToFront(*it, document, *list);
+		PushFavedToFront(*set, document, *list);
 	} else {
 		RequestSetToPushFaved(document);
 		return;
@@ -303,9 +314,9 @@ void RequestSetToPushFaved(not_null<DocumentData*> document) {
 		auto list = std::vector<not_null<EmojiPtr>>();
 		auto &d = result.c_messages_stickerSet();
 		list.reserve(d.vpacks().v.size());
-		for_const (auto &mtpPack, d.vpacks().v) {
+		for (const auto &mtpPack : d.vpacks().v) {
 			auto &pack = mtpPack.c_stickerPack();
-			for_const (auto &documentId, pack.vdocuments().v) {
+			for (const auto &documentId : pack.vdocuments().v) {
 				if (documentId.v == document->id) {
 					if (const auto emoji = Ui::Emoji::Find(qs(mtpPack.c_stickerPack().vemoticon()))) {
 						list.emplace_back(emoji);
@@ -331,23 +342,24 @@ void SetIsNotFaved(not_null<DocumentData*> document) {
 	if (it == sets.end()) {
 		return;
 	}
-	auto index = it->stickers.indexOf(document);
+	const auto set = it->second.get();
+	auto index = set->stickers.indexOf(document);
 	if (index < 0) {
 		return;
 	}
-	it->stickers.removeAt(index);
-	for (auto i = it->emoji.begin(); i != it->emoji.end();) {
+	set->stickers.removeAt(index);
+	for (auto i = set->emoji.begin(); i != set->emoji.end();) {
 		auto index = i->indexOf(document);
 		if (index >= 0) {
 			i->removeAt(index);
 			if (i->empty()) {
-				i = it->emoji.erase(i);
+				i = set->emoji.erase(i);
 				continue;
 			}
 		}
 		++i;
 	}
-	if (it->stickers.empty()) {
+	if (set->stickers.empty()) {
 		sets.erase(it);
 	}
 	Local::writeFavedStickers();
@@ -368,14 +380,14 @@ void SetsReceived(const QVector<MTPStickerSet> &data, int32 hash) {
 
 	auto &sets = Auth().data().stickerSetsRef();
 	QMap<uint64, uint64> setsToRequest;
-	for (auto &set : sets) {
-		if (!(set.flags & MTPDstickerSet::Flag::f_archived)) {
+	for (auto &[id, set] : sets) {
+		if (!(set->flags & MTPDstickerSet::Flag::f_archived)) {
 			// Mark for removing.
-			set.flags &= ~MTPDstickerSet::Flag::f_installed_date;
-			set.installDate = 0;
+			set->flags &= ~MTPDstickerSet::Flag::f_installed_date;
+			set->installDate = 0;
 		}
 	}
-	for_const (auto &setData, data) {
+	for (const auto &setData : data) {
 		if (setData.type() == mtpc_stickerSet) {
 			auto set = FeedSet(setData.c_stickerSet());
 			if (!(set->flags & MTPDstickerSet::Flag::f_archived) || (set->flags & MTPDstickerSet::Flag::f_official)) {
@@ -388,14 +400,15 @@ void SetsReceived(const QVector<MTPStickerSet> &data, int32 hash) {
 	}
 	auto writeRecent = false;
 	auto &recent = GetRecentPack();
-	for (auto it = sets.begin(), e = sets.end(); it != e;) {
-		bool installed = (it->flags & MTPDstickerSet::Flag::f_installed_date);
-		bool featured = (it->flags & MTPDstickerSet_ClientFlag::f_featured);
-		bool special = (it->flags & MTPDstickerSet_ClientFlag::f_special);
-		bool archived = (it->flags & MTPDstickerSet::Flag::f_archived);
+	for (auto it = sets.begin(); it != sets.end();) {
+		const auto set = it->second.get();
+		bool installed = (set->flags & MTPDstickerSet::Flag::f_installed_date);
+		bool featured = (set->flags & MTPDstickerSet_ClientFlag::f_featured);
+		bool special = (set->flags & MTPDstickerSet_ClientFlag::f_special);
+		bool archived = (set->flags & MTPDstickerSet::Flag::f_archived);
 		if (!installed) { // remove not mine sets from recent stickers
 			for (auto i = recent.begin(); i != recent.cend();) {
-				if (it->stickers.indexOf(i->first) >= 0) {
+				if (set->stickers.indexOf(i->first) >= 0) {
 					i = recent.erase(i);
 					writeRecent = true;
 				} else {
@@ -436,7 +449,7 @@ void SetPackAndEmoji(
 	set.stickers = std::move(pack);
 	set.dates = std::move(dates);
 	set.emoji.clear();
-	for_const (auto &mtpPack, packs) {
+	for (const auto &mtpPack : packs) {
 		Assert(mtpPack.type() == mtpc_stickerPack);
 		auto &pack = mtpPack.c_stickerPack();
 		if (auto emoji = Ui::Emoji::Find(qs(pack.vemoticon()))) {
@@ -472,7 +485,8 @@ void SpecialSetReceived(
 		}
 	} else {
 		if (it == sets.cend()) {
-			it = sets.insert(setId, Set(
+			it = sets.emplace(setId, std::make_unique<Set>(
+				&Auth().data(),
 				setId,
 				uint64(0),
 				setTitle,
@@ -480,19 +494,19 @@ void SpecialSetReceived(
 				0, // count
 				0, // hash
 				MTPDstickerSet_ClientFlag::f_special | 0,
-				TimeId(0),
-				ImagePtr()));
+				TimeId(0))).first;
 		} else {
-			it->title = setTitle;
+			it->second->title = setTitle;
 		}
-		it->hash = hash;
+		const auto set = it->second.get();
+		set->hash = hash;
 
 		auto dates = std::vector<TimeId>();
 		auto dateIndex = 0;
 		auto datesAvailable = (items.size() == usageDates.size())
 			&& (setId == CloudRecentSetId);
 
-		auto custom = sets.find(CustomSetId);
+		auto customIt = sets.find(CustomSetId);
 		auto pack = Pack();
 		pack.reserve(items.size());
 		for (const auto &item : items) {
@@ -506,22 +520,24 @@ void SpecialSetReceived(
 			if (datesAvailable) {
 				dates.push_back(TimeId(usageDates[dateIndex - 1].v));
 			}
-			if (custom != sets.cend()) {
+			if (customIt != sets.cend()) {
+				const auto custom = customIt->second.get();
 				auto index = custom->stickers.indexOf(document);
 				if (index >= 0) {
 					custom->stickers.removeAt(index);
 				}
 			}
 		}
-		if (custom != sets.cend() && custom->stickers.isEmpty()) {
-			sets.erase(custom);
-			custom = sets.end();
+		if (customIt != sets.cend()
+			&& customIt->second->stickers.isEmpty()) {
+			sets.erase(customIt);
+			customIt = sets.end();
 		}
 
 		auto writeRecent = false;
 		auto &recent = GetRecentPack();
 		for (auto i = recent.begin(); i != recent.cend();) {
-			if (it->stickers.indexOf(i->first) >= 0 && pack.indexOf(i->first) < 0) {
+			if (set->stickers.indexOf(i->first) >= 0 && pack.indexOf(i->first) < 0) {
 				i = recent.erase(i);
 				writeRecent = true;
 			} else {
@@ -532,7 +548,7 @@ void SpecialSetReceived(
 		if (pack.isEmpty()) {
 			sets.erase(it);
 		} else {
-			SetPackAndEmoji(*it, std::move(pack), std::move(dates), packs);
+			SetPackAndEmoji(*set, std::move(pack), std::move(dates), packs);
 		}
 
 		if (writeRecent) {
@@ -560,7 +576,7 @@ void SpecialSetReceived(
 }
 
 void FeaturedSetsReceived(
-		const QVector<MTPStickerSetCovered> &data,
+		const QVector<MTPStickerSetCovered> &list,
 		const QVector<MTPlong> &unread,
 		int32 hash) {
 	auto &&unreadIds = ranges::view::all(
@@ -578,87 +594,77 @@ void FeaturedSetsReceived(
 
 	auto &sets = Auth().data().stickerSetsRef();
 	auto setsToRequest = base::flat_map<uint64, uint64>();
-	for (auto &set : sets) {
+	for (auto &[id, set] : sets) {
 		// Mark for removing.
-		set.flags &= ~MTPDstickerSet_ClientFlag::f_featured;
+		set->flags &= ~MTPDstickerSet_ClientFlag::f_featured;
 	}
-	for (int i = 0, l = data.size(); i != l; ++i) {
-		auto &setData = data[i];
-		const MTPDstickerSet *set = nullptr;
-		switch (setData.type()) {
-		case mtpc_stickerSetCovered: {
-			auto &d = setData.c_stickerSetCovered();
-			if (d.vset().type() == mtpc_stickerSet) {
-				set = &d.vset().c_stickerSet();
+	for (const auto &entry : list) {
+		const auto data = entry.match([&](const auto &data) {
+			return data.vset().match([&](const MTPDstickerSet &data) {
+				return &data;
+			});
+		});
+		auto it = sets.find(data->vid().v);
+		const auto title = GetSetTitle(*data);
+		const auto installDate = data->vinstalled_date().value_or_empty();
+		const auto thumb = data->vthumb();
+		const auto thumbnail = thumb
+			? Images::FromPhotoSize(&Auth(), *data, *thumb)
+			: ImageWithLocation();
+		if (it == sets.cend()) {
+			auto setClientFlags = MTPDstickerSet_ClientFlag::f_featured
+				| MTPDstickerSet_ClientFlag::f_not_loaded;
+			if (unreadMap.contains(data->vid().v)) {
+				setClientFlags |= MTPDstickerSet_ClientFlag::f_unread;
 			}
-		} break;
-		case mtpc_stickerSetMultiCovered: {
-			auto &d = setData.c_stickerSetMultiCovered();
-			if (d.vset().type() == mtpc_stickerSet) {
-				set = &d.vset().c_stickerSet();
-			}
-		} break;
-		}
-
-		if (set) {
-			auto it = sets.find(set->vid().v);
-			const auto title = GetSetTitle(*set);
-			const auto installDate = set->vinstalled_date().value_or_empty();
-			const auto thumb = set->vthumb();
-			const auto thumbnail = thumb
-				? Images::Create(*set, *thumb)
-				: ImagePtr();
-			if (it == sets.cend()) {
-				auto setClientFlags = MTPDstickerSet_ClientFlag::f_featured
-					| MTPDstickerSet_ClientFlag::f_not_loaded;
-				if (unreadMap.contains(set->vid().v)) {
-					setClientFlags |= MTPDstickerSet_ClientFlag::f_unread;
-				}
-				it = sets.insert(set->vid().v, Set(
-					set->vid().v,
-					set->vaccess_hash().v,
-					title,
-					qs(set->vshort_name()),
-					set->vcount().v,
-					set->vhash().v,
-					set->vflags().v | setClientFlags,
-					installDate,
-					thumbnail));
+			it = sets.emplace(data->vid().v, std::make_unique<Set>(
+				&Auth().data(),
+				data->vid().v,
+				data->vaccess_hash().v,
+				title,
+				qs(data->vshort_name()),
+				data->vcount().v,
+				data->vhash().v,
+				data->vflags().v | setClientFlags,
+				installDate)).first;
+			it->second->setThumbnail(thumbnail);
+		} else {
+			const auto set = it->second.get();
+			set->access = data->vaccess_hash().v;
+			set->title = title;
+			set->shortName = qs(data->vshort_name());
+			auto clientFlags = set->flags & (MTPDstickerSet_ClientFlag::f_featured | MTPDstickerSet_ClientFlag::f_unread | MTPDstickerSet_ClientFlag::f_not_loaded | MTPDstickerSet_ClientFlag::f_special);
+			set->flags = data->vflags().v | clientFlags;
+			set->flags |= MTPDstickerSet_ClientFlag::f_featured;
+			set->installDate = installDate;
+			set->setThumbnail(thumbnail);
+			if (unreadMap.contains(set->id)) {
+				set->flags |= MTPDstickerSet_ClientFlag::f_unread;
 			} else {
-				it->access = set->vaccess_hash().v;
-				it->title = title;
-				it->shortName = qs(set->vshort_name());
-				auto clientFlags = it->flags & (MTPDstickerSet_ClientFlag::f_featured | MTPDstickerSet_ClientFlag::f_unread | MTPDstickerSet_ClientFlag::f_not_loaded | MTPDstickerSet_ClientFlag::f_special);
-				it->flags = set->vflags().v | clientFlags;
-				it->flags |= MTPDstickerSet_ClientFlag::f_featured;
-				it->installDate = installDate;
-				it->thumbnail = thumbnail;
-				if (unreadMap.contains(it->id)) {
-					it->flags |= MTPDstickerSet_ClientFlag::f_unread;
-				} else {
-					it->flags &= ~MTPDstickerSet_ClientFlag::f_unread;
-				}
-				if (it->count != set->vcount().v || it->hash != set->vhash().v || it->emoji.isEmpty()) {
-					it->count = set->vcount().v;
-					it->hash = set->vhash().v;
-					it->flags |= MTPDstickerSet_ClientFlag::f_not_loaded; // need to request this set
-				}
+				set->flags &= ~MTPDstickerSet_ClientFlag::f_unread;
 			}
-			setsOrder.push_back(set->vid().v);
-			if (it->stickers.isEmpty() || (it->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
-				setsToRequest.emplace(set->vid().v, set->vaccess_hash().v);
+			if (set->count != data->vcount().v || set->hash != data->vhash().v || set->emoji.isEmpty()) {
+				set->count = data->vcount().v;
+				set->hash = data->vhash().v;
+				set->flags |= MTPDstickerSet_ClientFlag::f_not_loaded; // need to request this set
 			}
 		}
+		setsOrder.push_back(data->vid().v);
+		if (it->second->stickers.isEmpty()
+			|| (it->second->flags & MTPDstickerSet_ClientFlag::f_not_loaded)) {
+			setsToRequest.emplace(data->vid().v, data->vaccess_hash().v);
+		}
 	}
 
 	auto unreadCount = 0;
-	for (auto it = sets.begin(), e = sets.end(); it != e;) {
-		bool installed = (it->flags & MTPDstickerSet::Flag::f_installed_date);
-		bool featured = (it->flags & MTPDstickerSet_ClientFlag::f_featured);
-		bool special = (it->flags & MTPDstickerSet_ClientFlag::f_special);
-		bool archived = (it->flags & MTPDstickerSet::Flag::f_archived);
+	for (auto it = sets.begin(); it != sets.end();) {
+		const auto set = it->second.get();
+		bool installed = (set->flags & MTPDstickerSet::Flag::f_installed_date);
+		bool featured = (set->flags & MTPDstickerSet_ClientFlag::f_featured);
+		bool special = (set->flags & MTPDstickerSet_ClientFlag::f_special);
+		bool archived = (set->flags & MTPDstickerSet::Flag::f_archived);
 		if (installed || featured || special || archived) {
-			if (featured && (it->flags & MTPDstickerSet_ClientFlag::f_unread)) {
+			if (featured && (set->flags & MTPDstickerSet_ClientFlag::f_unread)) {
 				++unreadCount;
 			}
 			++it;
@@ -772,7 +778,7 @@ std::vector<not_null<DocumentData*>> GetListByEmoji(
 			const auto setId = sticker->set.c_inputStickerSetID().vid().v;
 			const auto setIt = sets.find(setId);
 			if (setIt != sets.end()) {
-				return InstallDateAdjusted(setIt->installDate, document);
+				return InstallDateAdjusted(setIt->second->installDate, document);
 			}
 		}
 		return TimeId(0);
@@ -780,20 +786,21 @@ std::vector<not_null<DocumentData*>> GetListByEmoji(
 
 	auto recentIt = sets.find(Stickers::CloudRecentSetId);
 	if (recentIt != sets.cend()) {
-		auto i = recentIt->emoji.constFind(original);
-		if (i != recentIt->emoji.cend()) {
+		const auto recent = recentIt->second.get();
+		auto i = recent->emoji.constFind(original);
+		if (i != recent->emoji.cend()) {
 			result.reserve(i->size());
 			for (const auto document : *i) {
 				const auto usageDate = [&] {
-					if (recentIt->dates.empty()) {
+					if (recent->dates.empty()) {
 						return TimeId(0);
 					}
-					const auto index = recentIt->stickers.indexOf(document);
+					const auto index = recent->stickers.indexOf(document);
 					if (index < 0) {
 						return TimeId(0);
 					}
-					Assert(index < recentIt->dates.size());
-					return recentIt->dates[index];
+					Assert(index < recent->dates.size());
+					return recent->dates[index];
 				}();
 				const auto date = usageDate
 					? usageDate
@@ -807,22 +814,23 @@ std::vector<not_null<DocumentData*>> GetListByEmoji(
 	const auto addList = [&](const Order &order, MTPDstickerSet::Flag skip) {
 		for (const auto setId : order) {
 			auto it = sets.find(setId);
-			if (it == sets.cend() || (it->flags & skip)) {
+			if (it == sets.cend() || (it->second->flags & skip)) {
 				continue;
 			}
-			if (it->emoji.isEmpty()) {
-				setsToRequest.emplace(it->id, it->access);
-				it->flags |= MTPDstickerSet_ClientFlag::f_not_loaded;
+			const auto set = it->second.get();
+			if (set->emoji.isEmpty()) {
+				setsToRequest.emplace(set->id, set->access);
+				set->flags |= MTPDstickerSet_ClientFlag::f_not_loaded;
 				continue;
 			}
-			auto i = it->emoji.constFind(original);
-			if (i == it->emoji.cend()) {
+			auto i = set->emoji.constFind(original);
+			if (i == set->emoji.cend()) {
 				continue;
 			}
-			const auto my = (it->flags & MTPDstickerSet::Flag::f_installed_date);
+			const auto my = (set->flags & MTPDstickerSet::Flag::f_installed_date);
 			result.reserve(result.size() + i->size());
 			for (const auto document : *i) {
-				const auto installDate = my ? it->installDate : TimeId(0);
+				const auto installDate = my ? set->installDate : TimeId(0);
 				const auto date = (installDate > 1)
 					? InstallDateAdjusted(installDate, document)
 					: my
@@ -877,13 +885,14 @@ std::optional<std::vector<not_null<EmojiPtr>>> GetEmojiListFromSet(
 		if (inputSet.type() != mtpc_inputStickerSetID) {
 			return std::nullopt;
 		}
-		auto &sets = Auth().data().stickerSets();
-		auto it = sets.constFind(inputSet.c_inputStickerSetID().vid().v);
+		const auto &sets = Auth().data().stickerSets();
+		auto it = sets.find(inputSet.c_inputStickerSetID().vid().v);
 		if (it == sets.cend()) {
 			return std::nullopt;
 		}
+		const auto set = it->second.get();
 		auto result = std::vector<not_null<EmojiPtr>>();
-		for (auto i = it->emoji.cbegin(), e = it->emoji.cend(); i != e; ++i) {
+		for (auto i = set->emoji.cbegin(), e = set->emoji.cend(); i != e; ++i) {
 			if (i->contains(document)) {
 				result.emplace_back(i.key());
 			}
@@ -896,61 +905,66 @@ std::optional<std::vector<not_null<EmojiPtr>>> GetEmojiListFromSet(
 	return std::nullopt;
 }
 
-Set *FeedSet(const MTPDstickerSet &set) {
+Set *FeedSet(const MTPDstickerSet &data) {
 	auto &sets = Auth().data().stickerSetsRef();
-	auto it = sets.find(set.vid().v);
-	auto title = GetSetTitle(set);
+	auto it = sets.find(data.vid().v);
+	auto title = GetSetTitle(data);
 	auto flags = MTPDstickerSet::Flags(0);
-	const auto thumb = set.vthumb();
-	const auto thumbnail = thumb ? Images::Create(set, *thumb) : ImagePtr();
+	const auto thumb = data.vthumb();
+	const auto thumbnail = thumb
+		? Images::FromPhotoSize(&Auth(), data, *thumb)
+		: ImageWithLocation();
 	if (it == sets.cend()) {
-		it = sets.insert(set.vid().v, Stickers::Set(
-			set.vid().v,
-			set.vaccess_hash().v,
+		it = sets.emplace(data.vid().v, std::make_unique<Set>(
+			&Auth().data(),
+			data.vid().v,
+			data.vaccess_hash().v,
 			title,
-			qs(set.vshort_name()),
-			set.vcount().v,
-			set.vhash().v,
-			set.vflags().v | MTPDstickerSet_ClientFlag::f_not_loaded,
-			set.vinstalled_date().value_or_empty(),
-			thumbnail));
+			qs(data.vshort_name()),
+			data.vcount().v,
+			data.vhash().v,
+			data.vflags().v | MTPDstickerSet_ClientFlag::f_not_loaded,
+			data.vinstalled_date().value_or_empty())).first;
+		it->second->setThumbnail(thumbnail);
 	} else {
-		it->access = set.vaccess_hash().v;
-		it->title = title;
-		it->shortName = qs(set.vshort_name());
-		flags = it->flags;
-		auto clientFlags = it->flags
+		const auto set = it->second.get();
+		set->access = data.vaccess_hash().v;
+		set->title = title;
+		set->shortName = qs(data.vshort_name());
+		flags = set->flags;
+		auto clientFlags = set->flags
 			& (MTPDstickerSet_ClientFlag::f_featured
 				| MTPDstickerSet_ClientFlag::f_unread
 				| MTPDstickerSet_ClientFlag::f_not_loaded
 				| MTPDstickerSet_ClientFlag::f_special);
-		it->flags = set.vflags().v | clientFlags;
-		const auto installDate = set.vinstalled_date();
-		it->installDate = installDate
+		set->flags = data.vflags().v | clientFlags;
+		const auto installDate = data.vinstalled_date();
+		set->installDate = installDate
 			? (installDate->v ? installDate->v : base::unixtime::now())
 			: TimeId(0);
-		it->thumbnail = thumbnail;
-		if (it->count != set.vcount().v
-			|| it->hash != set.vhash().v
-			|| it->emoji.isEmpty()) {
-			// Need to request this set.
-			it->count = set.vcount().v;
-			it->hash = set.vhash().v;
-			it->flags |= MTPDstickerSet_ClientFlag::f_not_loaded;
+		it->second->setThumbnail(thumbnail);
+		if (set->count != data.vcount().v
+			|| set->hash != data.vhash().v
+			|| set->emoji.isEmpty()) {
+			// Need to request this data.
+			set->count = data.vcount().v;
+			set->hash = data.vhash().v;
+			set->flags |= MTPDstickerSet_ClientFlag::f_not_loaded;
 		}
 	}
-	auto changedFlags = (flags ^ it->flags);
+	const auto set = it->second.get();
+	auto changedFlags = (flags ^ set->flags);
 	if (changedFlags & MTPDstickerSet::Flag::f_archived) {
-		auto index = Auth().data().archivedStickerSetsOrder().indexOf(it->id);
-		if (it->flags & MTPDstickerSet::Flag::f_archived) {
+		auto index = Auth().data().archivedStickerSetsOrder().indexOf(set->id);
+		if (set->flags & MTPDstickerSet::Flag::f_archived) {
 			if (index < 0) {
-				Auth().data().archivedStickerSetsOrderRef().push_front(it->id);
+				Auth().data().archivedStickerSetsOrderRef().push_front(set->id);
 			}
 		} else if (index >= 0) {
 			Auth().data().archivedStickerSetsOrderRef().removeAt(index);
 		}
 	}
-	return &it.value();
+	return it->second.get();
 }
 
 Set *FeedSetFull(const MTPmessages_StickerSet &data) {
@@ -961,16 +975,19 @@ Set *FeedSetFull(const MTPmessages_StickerSet &data) {
 	const auto &s = d.vset().c_stickerSet();
 
 	auto &sets = Auth().data().stickerSetsRef();
-	auto it = sets.find(s.vid().v);
-	const auto wasArchived = (it->flags & MTPDstickerSet::Flag::f_archived);
+	const auto wasArchived = [&] {
+		auto it = sets.find(s.vid().v);
+		return (it != sets.end())
+			&& (it->second->flags & MTPDstickerSet::Flag::f_archived);
+	}();
 
 	auto set = FeedSet(s);
 
 	set->flags &= ~MTPDstickerSet_ClientFlag::f_not_loaded;
 
-	auto &d_docs = d.vdocuments().v;
-	auto custom = sets.find(Stickers::CustomSetId);
-	auto inputSet = MTP_inputStickerSetID(
+	const auto &d_docs = d.vdocuments().v;
+	auto customIt = sets.find(Stickers::CustomSetId);
+	const auto inputSet = MTP_inputStickerSetID(
 		MTP_long(set->id),
 		MTP_long(set->access));
 
@@ -984,16 +1001,17 @@ Set *FeedSetFull(const MTPmessages_StickerSet &data) {
 		if (document->sticker()->set.type() != mtpc_inputStickerSetID) {
 			document->sticker()->set = inputSet;
 		}
-		if (custom != sets.cend()) {
+		if (customIt != sets.cend()) {
+			const auto custom = customIt->second.get();
 			const auto index = custom->stickers.indexOf(document);
 			if (index >= 0) {
 				custom->stickers.removeAt(index);
 			}
 		}
 	}
-	if (custom != sets.cend() && custom->stickers.isEmpty()) {
-		sets.erase(custom);
-		custom = sets.end();
+	if (customIt != sets.cend() && customIt->second->stickers.isEmpty()) {
+		sets.erase(customIt);
+		customIt = sets.end();
 	}
 
 	auto writeRecent = false;
@@ -1042,7 +1060,7 @@ Set *FeedSetFull(const MTPmessages_StickerSet &data) {
 	}
 
 	if (set) {
-		const auto isArchived = (set->flags & MTPDstickerSet::Flag::f_archived);
+		const auto isArchived = !!(set->flags & MTPDstickerSet::Flag::f_archived);
 		if (set->flags & MTPDstickerSet::Flag::f_installed_date) {
 			if (!isArchived) {
 				Local::writeInstalledStickers();
@@ -1146,10 +1164,11 @@ auto LottieCachedFromContent(
 template <typename Method>
 auto LottieFromDocument(
 		Method &&method,
-		not_null<DocumentData*> document,
+		not_null<Data::DocumentMedia*> media,
 		uint8 keyShift,
 		QSize box) {
-	const auto data = document->data();
+	const auto document = media->owner();
+	const auto data = media->bytes();
 	const auto filepath = document->filepath();
 	if (box.width() * box.height() > kDontCacheLottieAfterArea) {
 		// Don't use frame caching for large stickers.
@@ -1160,7 +1179,7 @@ auto LottieFromDocument(
 	if (const auto baseKey = document->bigFileBaseCacheKey()) {
 		return LottieCachedFromContent(
 			std::forward<Method>(method),
-			*baseKey,
+			baseKey,
 			keyShift,
 			&document->session(),
 			Lottie::ReadContent(data, filepath),
@@ -1172,13 +1191,13 @@ auto LottieFromDocument(
 }
 
 std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
-		not_null<DocumentData*> document,
+		not_null<Data::DocumentMedia*> media,
 		LottieSize sizeTag,
 		QSize box,
 		Lottie::Quality quality,
 		std::shared_ptr<Lottie::FrameRenderer> renderer) {
 	return LottiePlayerFromDocument(
-		document,
+		media,
 		nullptr,
 		sizeTag,
 		box,
@@ -1187,7 +1206,7 @@ std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
 }
 
 std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
-		not_null<DocumentData*> document,
+		not_null<Data::DocumentMedia*> media,
 		const Lottie::ColorReplacements *replacements,
 		LottieSize sizeTag,
 		QSize box,
@@ -1202,60 +1221,59 @@ std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
 	};
 	const auto tag = replacements ? replacements->tag : uint8(0);
 	const auto keyShift = ((tag << 4) & 0xF0) | (uint8(sizeTag) & 0x0F);
-	return LottieFromDocument(method, document, uint8(keyShift), box);
+	return LottieFromDocument(method, media, uint8(keyShift), box);
 }
 
 not_null<Lottie::Animation*> LottieAnimationFromDocument(
 		not_null<Lottie::MultiPlayer*> player,
-		not_null<DocumentData*> document,
+		not_null<Data::DocumentMedia*> media,
 		LottieSize sizeTag,
 		QSize box) {
 	const auto method = [&](auto &&...args) {
 		return player->append(std::forward<decltype(args)>(args)...);
 	};
-	return LottieFromDocument(method, document, uint8(sizeTag), box);
+	return LottieFromDocument(method, media, uint8(sizeTag), box);
 }
 
 bool HasLottieThumbnail(
-		ImagePtr thumbnail,
-		not_null<DocumentData*> sticker) {
-	if (thumbnail) {
-		if (!thumbnail->loaded()) {
-			return false;
-		}
-		const auto &location = thumbnail->location();
-		const auto &bytes = thumbnail->bytesForCache();
-		return location.valid()
-			&& location.type() == StorageFileLocation::Type::StickerSetThumb
-			&& !bytes.isEmpty();
-	} else if (const auto info = sticker->sticker()) {
+		SetThumbnailView *thumb,
+		Data::DocumentMedia *media) {
+	if (thumb) {
+		return !thumb->content().isEmpty();
+	} else if (!media) {
+		return false;
+	}
+	const auto document = media->owner();
+	if (const auto info = document->sticker()) {
 		if (!info->animated) {
 			return false;
 		}
-		sticker->automaticLoad(sticker->stickerSetOrigin(), nullptr);
-		if (!sticker->loaded()) {
+		media->automaticLoad(document->stickerSetOrigin(), nullptr);
+		if (!media->loaded()) {
 			return false;
 		}
-		return sticker->bigFileBaseCacheKey().has_value();
+		return document->bigFileBaseCacheKey().valid();
 	}
 	return false;
 }
 
 std::unique_ptr<Lottie::SinglePlayer> LottieThumbnail(
-		ImagePtr thumbnail,
-		not_null<DocumentData*> sticker,
+		SetThumbnailView *thumb,
+		Data::DocumentMedia *media,
 		LottieSize sizeTag,
 		QSize box,
 		std::shared_ptr<Lottie::FrameRenderer> renderer) {
-	const auto baseKey = thumbnail
-		? thumbnail->location().file().bigFileBaseCacheKey()
-		: sticker->bigFileBaseCacheKey();
+	const auto baseKey = thumb
+		? thumb->owner()->thumbnailLocation().file().bigFileBaseCacheKey()
+		: media
+		? media->owner()->bigFileBaseCacheKey()
+		: Storage::Cache::Key();
 	if (!baseKey) {
 		return nullptr;
 	}
-	const auto content = (thumbnail
-		? thumbnail->bytesForCache()
-		: Lottie::ReadContent(sticker->data(), sticker->filepath()));
+	const auto content = thumb
+		? thumb->content()
+		: Lottie::ReadContent(media->bytes(), media->owner()->filepath());
 	if (content.isEmpty()) {
 		return nullptr;
 	}
@@ -1263,51 +1281,18 @@ std::unique_ptr<Lottie::SinglePlayer> LottieThumbnail(
 		return std::make_unique<Lottie::SinglePlayer>(
 			std::forward<decltype(args)>(args)...);
 	};
+	const auto session = thumb
+		? &thumb->owner()->session()
+		: media
+		? &media->owner()->session()
+		: nullptr;
 	return LottieCachedFromContent(
 		method,
-		*baseKey,
+		baseKey,
 		uint8(sizeTag),
-		&sticker->session(),
+		session,
 		content,
 		box);
 }
 
-ThumbnailSource::ThumbnailSource(
-	const StorageImageLocation &location,
-	int size)
-: StorageSource(location, size) {
-}
-
-QImage ThumbnailSource::takeLoaded() {
-	if (_bytesForAnimated.isEmpty()
-		&& _loader
-		&& _loader->finished()
-		&& !_loader->cancelled()) {
-		_bytesForAnimated = _loader->bytes();
-	}
-	auto result = StorageSource::takeLoaded();
-	if (!_bytesForAnimated.isEmpty()
-		&& !result.isNull()
-		&& result.size() != Image::Empty()->original().size()) {
-		_bytesForAnimated = QByteArray();
-	}
-	return result;
-}
-
-QByteArray ThumbnailSource::bytesForCache() {
-	return _bytesForAnimated;
-}
-
-std::unique_ptr<FileLoader> ThumbnailSource::createLoader(
-		Data::FileOrigin origin,
-		LoadFromCloudSetting fromCloud,
-		bool autoLoading) {
-	auto result = StorageSource::createLoader(
-		origin,
-		fromCloud,
-		autoLoading);
-	_loader = result.get();
-	return result;
-}
-
 } // namespace Stickers

Telegram/SourceFiles/chat_helpers/stickers.h

@@ -8,10 +8,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "mtproto/sender.h"
-#include "ui/image/image_source.h"
 
 class DocumentData;
 
+namespace Data {
+class DocumentMedia;
+} // namespace Data
+
 namespace Main {
 class Session;
 } // namespace Main
@@ -42,53 +45,8 @@ constexpr auto FeaturedSetId = 0xFFFFFFFFFFFFFFFBULL; // for emoji/stickers pane
 constexpr auto FavedSetId = 0xFFFFFFFFFFFFFFFAULL; // for cloud-stored faved stickers
 constexpr auto MegagroupSetId = 0xFFFFFFFFFFFFFFEFULL; // for setting up megagroup sticker set
 
-using Order = QList<uint64>;
-using SavedGifs = QVector<DocumentData*>;
-using Pack = QVector<DocumentData*>;
-using ByEmojiMap = QMap<EmojiPtr, Pack>;
-
-struct Set {
-	Set(
-		uint64 id,
-		uint64 access,
-		const QString &title,
-		const QString &shortName,
-		int count,
-		int32 hash,
-		MTPDstickerSet::Flags flags,
-		TimeId installDate,
-		ImagePtr thumbnail)
-	: id(id)
-	, access(access)
-	, title(title)
-	, shortName(shortName)
-	, count(count)
-	, hash(hash)
-	, flags(flags)
-	, installDate(installDate)
-	, thumbnail(thumbnail) {
-	}
-	uint64 id = 0;
-	uint64 access = 0;
-	QString title, shortName;
-	int count = 0;
-	int32 hash = 0;
-	MTPDstickerSet::Flags flags;
-	TimeId installDate = 0;
-	ImagePtr thumbnail;
-	Pack stickers;
-	std::vector<TimeId> dates;
-	Pack covers;
-	ByEmojiMap emoji;
-};
-using Sets = QMap<uint64, Set>;
-
-inline MTPInputStickerSet inputSetId(const Set &set) {
-	if (set.id && set.access) {
-		return MTP_inputStickerSetID(MTP_long(set.id), MTP_long(set.access));
-	}
-	return MTP_inputStickerSetShortName(MTP_string(set.shortName));
-}
+class Set;
+class SetThumbnailView;
 
 void ApplyArchivedResult(const MTPDmessages_stickerSetInstallResultArchive &d);
 bool ApplyArchivedResultFake(); // For testing.
@@ -106,7 +64,7 @@ void SpecialSetReceived(
 	const QVector<MTPStickerPack> &packs = QVector<MTPStickerPack>(),
 	const QVector<MTPint> &usageDates = QVector<MTPint>());
 void FeaturedSetsReceived(
-	const QVector<MTPStickerSetCovered> &data,
+	const QVector<MTPStickerSetCovered> &list,
 	const QVector<MTPlong> &unread,
 	int32 hash);
 void GifsReceived(const QVector<MTPDocument> &items, int32 hash);
@@ -136,13 +94,13 @@ enum class LottieSize : uchar {
 };
 
 [[nodiscard]] std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
-	not_null<DocumentData*> document,
+	not_null<Data::DocumentMedia*> media,
 	LottieSize sizeTag,
 	QSize box,
 	Lottie::Quality quality = Lottie::Quality(),
 	std::shared_ptr<Lottie::FrameRenderer> renderer = nullptr);
 [[nodiscard]] std::unique_ptr<Lottie::SinglePlayer> LottiePlayerFromDocument(
-	not_null<DocumentData*> document,
+	not_null<Data::DocumentMedia*> media,
 	const Lottie::ColorReplacements *replacements,
 	LottieSize sizeTag,
 	QSize box,
@@ -150,40 +108,18 @@ enum class LottieSize : uchar {
 	std::shared_ptr<Lottie::FrameRenderer> renderer = nullptr);
 [[nodiscard]] not_null<Lottie::Animation*> LottieAnimationFromDocument(
 	not_null<Lottie::MultiPlayer*> player,
-	not_null<DocumentData*> document,
+	not_null<Data::DocumentMedia*> media,
 	LottieSize sizeTag,
 	QSize box);
 
 [[nodiscard]] bool HasLottieThumbnail(
-	ImagePtr thumbnail,
-	not_null<DocumentData*> sticker);
+	SetThumbnailView *thumb,
+	Data::DocumentMedia *media);
 [[nodiscard]] std::unique_ptr<Lottie::SinglePlayer> LottieThumbnail(
-	ImagePtr thumbnail,
-	not_null<DocumentData*> sticker,
+	SetThumbnailView *thumb,
+	Data::DocumentMedia *media,
 	LottieSize sizeTag,
 	QSize box,
 	std::shared_ptr<Lottie::FrameRenderer> renderer = nullptr);
 
-class ThumbnailSource : public Images::StorageSource {
-public:
-	ThumbnailSource(
-		const StorageImageLocation &location,
-		int size);
-
-	QImage takeLoaded() override;
-
-	QByteArray bytesForCache() override;
-
-protected:
-	std::unique_ptr<FileLoader> createLoader(
-		Data::FileOrigin origin,
-		LoadFromCloudSetting fromCloud,
-		bool autoLoading) override;
-
-private:
-	QPointer<FileLoader> _loader;
-	QByteArray _bytesForAnimated;
-
-};
-
 } // namespace Stickers

Telegram/SourceFiles/chat_helpers/stickers_dice_pack.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "main/main_session.h"
 #include "data/data_session.h"
 #include "data/data_document.h"
+#include "ui/image/image_location_factory.h"
 #include "storage/localimageloader.h"
 #include "base/unixtime.h"
 #include "apiwrap.h"
@@ -112,7 +113,7 @@ void DicePack::tryGenerateLocalZero() {
 	Assert(result != nullptr);
 	const auto document = _session->data().processDocument(
 		result->document,
-		std::move(result->thumb));
+		Images::FromImageInMemory(result->thumb, "PNG"));
 	document->setLocation(FileLocation(path));
 
 	_map.emplace(0, document);

Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.cpp

@@ -11,7 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lottie/lottie_common.h"
 #include "ui/emoji_config.h"
 #include "ui/text/text_isolated_emoji.h"
-#include "ui/image/image_source.h"
+#include "ui/image/image.h"
 #include "main/main_session.h"
 #include "data/data_file_origin.h"
 #include "data/data_session.h"
@@ -117,194 +117,6 @@ constexpr auto kClearSourceTimeout = 10 * crl::time(1000);
 	return list[index - 1];
 }
 
-class ImageSource : public Images::Source {
-public:
-	explicit ImageSource(
-		EmojiPtr emoji,
-		not_null<crl::object_on_queue<EmojiImageLoader>*> loader);
-
-	void load(Data::FileOrigin origin) override;
-	void loadEvenCancelled(Data::FileOrigin origin) override;
-	QImage takeLoaded() override;
-	void unload() override;
-
-	void automaticLoad(
-		Data::FileOrigin origin,
-		const HistoryItem *item) override;
-	void automaticLoadSettingsChanged() override;
-
-	bool loading() override;
-	bool displayLoading() override;
-	void cancel() override;
-	float64 progress() override;
-	int loadOffset() override;
-
-	const StorageImageLocation &location() override;
-	void refreshFileReference(const QByteArray &data) override;
-	std::optional<Storage::Cache::Key> cacheKey() override;
-	void setDelayedStorageLocation(
-		const StorageImageLocation &location) override;
-	void performDelayedLoad(Data::FileOrigin origin) override;
-	bool isDelayedStorageImage() const override;
-	void setImageBytes(const QByteArray &bytes) override;
-
-	int width() override;
-	int height() override;
-	int bytesSize() override;
-	void setInformation(int size, int width, int height) override;
-
-	QByteArray bytesForCache() override;
-
-private:
-	// While HistoryView::Element-s are almost never destroyed
-	// we make loading of the image lazy.
-	not_null<crl::object_on_queue<EmojiImageLoader>*> _loader;
-	EmojiPtr _emoji = nullptr;
-	QImage _data;
-	QByteArray _format;
-	QByteArray _bytes;
-	QSize _size;
-	base::binary_guard _loading;
-
-};
-
-ImageSource::ImageSource(
-	EmojiPtr emoji,
-	not_null<crl::object_on_queue<EmojiImageLoader>*> loader)
-: _loader(loader)
-, _emoji(emoji)
-, _size(SingleSize()) {
-}
-
-void ImageSource::load(Data::FileOrigin origin) {
-	if (!_data.isNull()) {
-		return;
-	}
-	if (_bytes.isEmpty()) {
-		_loader->with([
-			this,
-			emoji = _emoji,
-			guard = _loading.make_guard()
-		](EmojiImageLoader &loader) mutable {
-			if (!guard) {
-				return;
-			}
-			crl::on_main(std::move(guard), [this, image = loader.prepare(emoji)]{
-				_data = image;
-				Auth().downloaderTaskFinished().notify();
-			});
-		});
-	} else {
-		_data = App::readImage(_bytes, &_format, false);
-	}
-}
-
-void ImageSource::loadEvenCancelled(Data::FileOrigin origin) {
-	load(origin);
-}
-
-QImage ImageSource::takeLoaded() {
-	load({});
-	return _data;
-}
-
-void ImageSource::unload() {
-	if (_bytes.isEmpty() && !_data.isNull()) {
-		if (_format != "JPG") {
-			_format = "PNG";
-		}
-		{
-			QBuffer buffer(&_bytes);
-			_data.save(&buffer, _format);
-		}
-		Assert(!_bytes.isEmpty());
-	}
-	_data = QImage();
-}
-
-void ImageSource::automaticLoad(
-	Data::FileOrigin origin,
-	const HistoryItem *item) {
-}
-
-void ImageSource::automaticLoadSettingsChanged() {
-}
-
-bool ImageSource::loading() {
-	return _data.isNull() && _bytes.isEmpty();
-}
-
-bool ImageSource::displayLoading() {
-	return false;
-}
-
-void ImageSource::cancel() {
-}
-
-float64 ImageSource::progress() {
-	return 1.;
-}
-
-int ImageSource::loadOffset() {
-	return 0;
-}
-
-const StorageImageLocation &ImageSource::location() {
-	return StorageImageLocation::Invalid();
-}
-
-void ImageSource::refreshFileReference(const QByteArray &data) {
-}
-
-std::optional<Storage::Cache::Key> ImageSource::cacheKey() {
-	return std::nullopt;
-}
-
-void ImageSource::setDelayedStorageLocation(
-	const StorageImageLocation &location) {
-}
-
-void ImageSource::performDelayedLoad(Data::FileOrigin origin) {
-}
-
-bool ImageSource::isDelayedStorageImage() const {
-	return false;
-}
-
-void ImageSource::setImageBytes(const QByteArray &bytes) {
-}
-
-int ImageSource::width() {
-	return _size.width();
-}
-
-int ImageSource::height() {
-	return _size.height();
-}
-
-int ImageSource::bytesSize() {
-	return _bytes.size();
-}
-
-void ImageSource::setInformation(int size, int width, int height) {
-	if (width && height) {
-		_size = QSize(width, height);
-	}
-}
-
-QByteArray ImageSource::bytesForCache() {
-	auto result = QByteArray();
-	{
-		QBuffer buffer(&result);
-		if (!_data.save(&buffer, _format)) {
-			if (_data.save(&buffer, "PNG")) {
-				_format = "PNG";
-			}
-		}
-	}
-	return result;
-}
-
 } // namespace
 
 EmojiImageLoader::EmojiImageLoader(
@@ -390,6 +202,10 @@ std::shared_ptr<UniversalImages> EmojiImageLoader::releaseImages() {
 
 } // namespace details
 
+QSize LargeEmojiImage::Size() {
+	return details::SingleSize();
+}
+
 EmojiPack::EmojiPack(not_null<Main::Session*> session)
 : _session(session)
 , _imageLoader(prepareSourceImages(), session->settings().largeEmoji())
@@ -473,13 +289,36 @@ auto EmojiPack::stickerForEmoji(const IsolatedEmoji &emoji) -> Sticker {
 	return Sticker();
 }
 
-std::shared_ptr<Image> EmojiPack::image(EmojiPtr emoji) {
-	const auto i = _images.emplace(emoji, std::weak_ptr<Image>()).first;
+std::shared_ptr<LargeEmojiImage> EmojiPack::image(EmojiPtr emoji) {
+	const auto i = _images.emplace(
+		emoji,
+		std::weak_ptr<LargeEmojiImage>()).first;
 	if (const auto result = i->second.lock()) {
 		return result;
 	}
-	auto result = std::make_shared<Image>(
-		std::make_unique<details::ImageSource>(emoji, &_imageLoader));
+	auto result = std::make_shared<LargeEmojiImage>();
+	const auto raw = result.get();
+	const auto weak = base::make_weak(_session.get());
+	raw->load = [=] {
+		_imageLoader.with([=](details::EmojiImageLoader &loader) mutable {
+			crl::on_main(weak, [
+				=,
+				image = loader.prepare(emoji)
+			]() mutable {
+				const auto i = _images.find(emoji);
+				if (i != end(_images)) {
+					if (const auto strong = i->second.lock()) {
+						if (!strong->image) {
+							strong->load = nullptr;
+							strong->image.emplace(std::move(image));
+							_session->downloaderTaskFinished().notify();
+						}
+					}
+				}
+			});
+		});
+		raw->load = nullptr;
+	};
 	i->second = result;
 	return result;
 }

Telegram/SourceFiles/chat_helpers/stickers_emoji_pack.h

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "ui/text/text_isolated_emoji.h"
+#include "ui/image/image.h"
 #include "base/timer.h"
 
 #include <crl/crl_object_on_queue.h>
@@ -39,6 +40,13 @@ class EmojiImageLoader;
 
 using IsolatedEmoji = Ui::Text::IsolatedEmoji;
 
+struct LargeEmojiImage {
+	std::optional<Image> image;
+	FnMut<void()> load;
+
+	[[nodiscard]] static QSize Size();
+};
+
 class EmojiPack final {
 public:
 	struct Sticker {
@@ -60,7 +68,7 @@ public:
 	void remove(not_null<const HistoryItem*> item);
 
 	[[nodiscard]] Sticker stickerForEmoji(const IsolatedEmoji &emoji);
-	[[nodiscard]] std::shared_ptr<Image> image(EmojiPtr emoji);
+	[[nodiscard]] std::shared_ptr<LargeEmojiImage> image(EmojiPtr emoji);
 
 private:
 	class ImageLoader;
@@ -84,7 +92,7 @@ private:
 	base::flat_map<
 		IsolatedEmoji,
 		base::flat_set<not_null<HistoryItem*>>> _items;
-	base::flat_map<EmojiPtr, std::weak_ptr<Image>> _images;
+	base::flat_map<EmojiPtr, std::weak_ptr<LargeEmojiImage>> _images;
 	mtpRequestId _requestId = 0;
 
 	crl::object_on_queue<details::EmojiImageLoader> _imageLoader;

Telegram/SourceFiles/chat_helpers/stickers_list_widget.h

@@ -32,6 +32,14 @@ class MultiPlayer;
 class FrameRenderer;
 } // namespace Lottie
 
+namespace Data {
+class DocumentMedia;
+} // namespace Data
+
+namespace Stickers {
+class Set;
+} // namespace Stickers
+
 namespace ChatHelpers {
 
 struct StickerIcon;
@@ -63,7 +71,7 @@ public:
 
 	void refreshStickers();
 
-	void fillIcons(QList<StickerIcon> &icons);
+	std::vector<StickerIcon> fillIcons();
 	bool preventAutoHide();
 
 	uint64 currentSet(int yOffset) const;
@@ -151,51 +159,49 @@ private:
 
 	struct Sticker {
 		not_null<DocumentData*> document;
+		std::shared_ptr<Data::DocumentMedia> documentMedia;
 		Lottie::Animation *animated = nullptr;
+		QPixmap savedFrame;
+
+		void ensureMediaCreated();
 	};
 
 	struct Set {
 		Set(
 			uint64 id,
+			Stickers::Set *set,
 			MTPDstickerSet::Flags flags,
 			const QString &title,
 			const QString &shortName,
-			ImagePtr thumbnail,
-			bool externalLayout,
 			int count,
+			bool externalLayout,
 			std::vector<Sticker> &&stickers = {});
 		Set(Set &&other);
 		Set &operator=(Set &&other);
 		~Set();
 
 		uint64 id = 0;
+		Stickers::Set *set = nullptr;
 		MTPDstickerSet::Flags flags = MTPDstickerSet::Flags();
 		QString title;
 		QString shortName;
-		ImagePtr thumbnail;
 		std::vector<Sticker> stickers;
 		std::unique_ptr<Ui::RippleAnimation> ripple;
-		Lottie::MultiPlayer *lottiePlayer = nullptr;
-		bool externalLayout = false;
+
+		std::unique_ptr<Lottie::MultiPlayer> lottiePlayer;
+		rpl::lifetime lottieLifetime;
+
 		int count = 0;
+		bool externalLayout = false;
 	};
 	struct FeaturedSet {
 		uint64 id = 0;
 		MTPDstickerSet::Flags flags = MTPDstickerSet::Flags();
 		std::vector<Sticker> stickers;
 	};
-	struct LottieSet {
-		struct Item {
-			not_null<Lottie::Animation*> animation;
-			bool stale = false;
-		};
-		std::unique_ptr<Lottie::MultiPlayer> player;
-		base::flat_map<DocumentId, Item> items;
-		bool stale = false;
-		rpl::lifetime lifetime;
-	};
 
-	static std::vector<Sticker> PrepareStickers(const Stickers::Pack &pack);
+	static std::vector<Sticker> PrepareStickers(
+		const QVector<DocumentData*> &pack);
 
 	void preloadMoreOfficial();
 	QSize boundingBoxSize() const;
@@ -260,10 +266,11 @@ private:
 	void markLottieFrameShown(Set &set);
 	void checkVisibleLottie();
 	void pauseInvisibleLottieIn(const SectionInfo &info);
-	void destroyLottieIn(Set &set);
-	void refillLottieData();
-	void refillLottieData(Set &set);
-	void clearLottieData();
+	void takeHeavyData(std::vector<Set> &to, std::vector<Set> &from);
+	void takeHeavyData(Set &to, Set &from);
+	void takeHeavyData(Sticker &to, Sticker &from);
+	void clearHeavyIn(Set &set, bool clearSavedFrames = true);
+	void clearHeavyData();
 
 	int stickersRight() const;
 	bool featuredHasAddButton(int index) const;
@@ -301,7 +308,7 @@ private:
 	void refreshSearchRows(const std::vector<uint64> *cloudSets);
 	void fillLocalSearchRows(const QString &query);
 	void fillCloudSearchRows(const std::vector<uint64> &cloudSets);
-	void addSearchRow(not_null<const Stickers::Set*> set);
+	void addSearchRow(not_null<Stickers::Set*> set);
 
 	void showPreview();
 
@@ -354,8 +361,6 @@ private:
 	QString _searchQuery, _searchNextQuery;
 	mtpRequestId _searchRequestId = 0;
 
-	base::flat_map<uint64, LottieSet> _lottieData;
-
 	rpl::event_stream<not_null<DocumentData*>> _chosen;
 	rpl::event_stream<> _scrollUpdated;
 	rpl::event_stream<> _checkForHide;

Telegram/SourceFiles/chat_helpers/stickers_set.cpp

@@ -0,0 +1,149 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "chat_helpers/stickers_set.h"
+
+#include "main/main_session.h"
+#include "data/data_session.h"
+#include "data/data_file_origin.h"
+#include "storage/file_download.h"
+#include "ui/image/image.h"
+#include "app.h"
+
+namespace Stickers {
+
+SetThumbnailView::SetThumbnailView(not_null<Set*> owner) : _owner(owner) {
+}
+
+not_null<Set*> SetThumbnailView::owner() const {
+	return _owner;
+}
+
+void SetThumbnailView::set(
+		not_null<Main::Session*> session,
+		QByteArray content) {
+	auto image = App::readImage(content, nullptr, false);
+	if (image.isNull()) {
+		_content = std::move(content);
+	} else {
+		_image = std::make_unique<Image>(std::move(image));
+	}
+	session->downloaderTaskFinished().notify();
+}
+
+Image *SetThumbnailView::image() const {
+	return _image.get();
+}
+
+QByteArray SetThumbnailView::content() const {
+	return _content;
+}
+
+Set::Set(
+	not_null<Data::Session*> owner,
+	uint64 id,
+	uint64 access,
+	const QString &title,
+	const QString &shortName,
+	int count,
+	int32 hash,
+	MTPDstickerSet::Flags flags,
+	TimeId installDate)
+: id(id)
+, access(access)
+, title(title)
+, shortName(shortName)
+, count(count)
+, hash(hash)
+, flags(flags)
+, installDate(installDate)
+, _owner(owner) {
+}
+
+Data::Session &Set::owner() const {
+	return *_owner;
+}
+
+Main::Session &Set::session() const {
+	return _owner->session();
+}
+
+MTPInputStickerSet Set::mtpInput() const {
+	return (id && access)
+		? MTP_inputStickerSetID(MTP_long(id), MTP_long(access))
+		: MTP_inputStickerSetShortName(MTP_string(shortName));
+}
+
+void Set::setThumbnail(const ImageWithLocation &data) {
+	Data::UpdateCloudFile(
+		_thumbnail,
+		data,
+		_owner->cache(),
+		Data::kImageCacheTag,
+		[=](Data::FileOrigin origin) { loadThumbnail(); });
+	if (!data.bytes.isEmpty()) {
+		if (_thumbnail.loader) {
+			_thumbnail.loader->cancel();
+		}
+		if (const auto view = activeThumbnailView()) {
+			view->set(&_owner->session(), data.bytes);
+		}
+	}
+}
+
+bool Set::hasThumbnail() const {
+	return _thumbnail.location.valid();
+}
+
+bool Set::thumbnailLoading() const {
+	return (_thumbnail.loader != nullptr);
+}
+
+bool Set::thumbnailFailed() const {
+	return (_thumbnail.flags & Data::CloudFile::Flag::Failed);
+}
+
+void Set::loadThumbnail() {
+	auto &file = _thumbnail;
+	const auto origin = Data::FileOriginStickerSet(id, access);
+	const auto fromCloud = LoadFromCloudOrLocal;
+	const auto cacheTag = Data::kImageCacheTag;
+	const auto autoLoading = false;
+	Data::LoadCloudFile(file, origin, fromCloud, autoLoading, cacheTag, [=] {
+		if (const auto active = activeThumbnailView()) {
+			return !active->image() && active->content().isEmpty();
+		}
+		return true;
+	}, [=](QByteArray result) {
+		if (const auto active = activeThumbnailView()) {
+			active->set(&_owner->session(), std::move(result));
+		}
+	});
+}
+
+const ImageLocation &Set::thumbnailLocation() const {
+	return _thumbnail.location;
+}
+
+int Set::thumbnailByteSize() const {
+	return _thumbnail.byteSize;
+}
+
+std::shared_ptr<SetThumbnailView> Set::createThumbnailView() {
+	if (auto active = activeThumbnailView()) {
+		return active;
+	}
+	auto view = std::make_shared<SetThumbnailView>(this);
+	_thumbnailView = view;
+	return view;
+}
+
+std::shared_ptr<SetThumbnailView> Set::activeThumbnailView() {
+	return _thumbnailView.lock();
+}
+
+} // namespace Stickers

Telegram/SourceFiles/chat_helpers/stickers_set.h

@@ -0,0 +1,100 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "data/data_cloud_file.h"
+
+class DocumentData;
+
+namespace Data {
+class Session;
+} // namespace Data
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Stickers {
+
+using Order = QList<uint64>;
+using SavedGifs = QVector<DocumentData*>;
+using Pack = QVector<DocumentData*>;
+using ByEmojiMap = QMap<EmojiPtr, Pack>;
+
+class Set;
+using Sets = base::flat_map<uint64, std::unique_ptr<Set>>;
+
+class SetThumbnailView final {
+public:
+	explicit SetThumbnailView(not_null<Set*> owner);
+
+	[[nodiscard]] not_null<Set*> owner() const;
+
+	void set(not_null<Main::Session*> session, QByteArray content);
+
+	[[nodiscard]] Image *image() const;
+	[[nodiscard]] QByteArray content() const;
+
+private:
+	const not_null<Set*> _owner;
+	std::unique_ptr<Image> _image;
+	QByteArray _content;
+
+};
+
+class Set final {
+public:
+	Set(
+		not_null<Data::Session*> owner,
+		uint64 id,
+		uint64 access,
+		const QString &title,
+		const QString &shortName,
+		int count,
+		int32 hash,
+		MTPDstickerSet::Flags flags,
+		TimeId installDate);
+
+	[[nodiscard]] Data::Session &owner() const;
+	[[nodiscard]] Main::Session &session() const;
+
+	[[nodiscard]] MTPInputStickerSet mtpInput() const;
+
+	void setThumbnail(const ImageWithLocation &data);
+
+	[[nodiscard]] bool hasThumbnail() const;
+	[[nodiscard]] bool thumbnailLoading() const;
+	[[nodiscard]] bool thumbnailFailed() const;
+	void loadThumbnail();
+	[[nodiscard]] const ImageLocation &thumbnailLocation() const;
+	[[nodiscard]] int thumbnailByteSize() const;
+
+	[[nodiscard]] std::shared_ptr<SetThumbnailView> createThumbnailView();
+	[[nodiscard]] std::shared_ptr<SetThumbnailView> activeThumbnailView();
+
+	uint64 id = 0;
+	uint64 access = 0;
+	QString title, shortName;
+	int count = 0;
+	int32 hash = 0;
+	MTPDstickerSet::Flags flags;
+	TimeId installDate = 0;
+	Pack stickers;
+	std::vector<TimeId> dates;
+	Pack covers;
+	ByEmojiMap emoji;
+
+private:
+	const not_null<Data::Session*> _owner;
+
+	Data::CloudFile _thumbnail;
+	std::weak_ptr<SetThumbnailView> _thumbnailView;
+
+};
+
+} // namespace Stickers

Telegram/SourceFiles/config.h

@@ -66,56 +66,6 @@ inline const char *cGUIDStr() {
 	return gGuidStr;
 }
 
-struct BuiltInDc {
-	int id;
-	const char *ip;
-	int port;
-};
-
-static const BuiltInDc _builtInDcs[] = {
-	{ 1, "149.154.175.50", 443 },
-	{ 2, "149.154.167.51", 443 },
-	{ 3, "149.154.175.100", 443 },
-	{ 4, "149.154.167.91", 443 },
-	{ 5, "149.154.171.5", 443 }
-};
-
-static const BuiltInDc _builtInDcsIPv6[] = {
-	{ 1, "2001:0b28:f23d:f001:0000:0000:0000:000a", 443 },
-	{ 2, "2001:067c:04e8:f002:0000:0000:0000:000a", 443 },
-	{ 3, "2001:0b28:f23d:f003:0000:0000:0000:000a", 443 },
-	{ 4, "2001:067c:04e8:f004:0000:0000:0000:000a", 443 },
-	{ 5, "2001:0b28:f23f:f005:0000:0000:0000:000a", 443 }
-};
-
-static const BuiltInDc _builtInTestDcs[] = {
-	{ 1, "149.154.175.10", 443 },
-	{ 2, "149.154.167.40", 443 },
-	{ 3, "149.154.175.117", 443 }
-};
-
-static const BuiltInDc _builtInTestDcsIPv6[] = {
-	{ 1, "2001:0b28:f23d:f001:0000:0000:0000:000e", 443 },
-	{ 2, "2001:067c:04e8:f002:0000:0000:0000:000e", 443 },
-	{ 3, "2001:0b28:f23d:f003:0000:0000:0000:000e", 443 }
-};
-
-inline const BuiltInDc *builtInDcs() {
-	return cTestMode() ? _builtInTestDcs : _builtInDcs;
-}
-
-inline int builtInDcsCount() {
-	return (cTestMode() ? sizeof(_builtInTestDcs) : sizeof(_builtInDcs)) / sizeof(BuiltInDc);
-}
-
-inline const BuiltInDc *builtInDcsIPv6() {
-	return cTestMode() ? _builtInTestDcsIPv6 : _builtInDcsIPv6;
-}
-
-inline int builtInDcsCountIPv6() {
-	return (cTestMode() ? sizeof(_builtInTestDcsIPv6) : sizeof(_builtInDcsIPv6)) / sizeof(BuiltInDc);
-}
-
 static const char *UpdatesPublicKey = "\
 -----BEGIN RSA PUBLIC KEY-----\n\
 MIGJAoGBAMA4ViQrjkPZ9xj0lrer3r23JvxOnrtE8nI69XLGSr+sRERz9YnUptnU\n\

Telegram/SourceFiles/core/application.cpp

@@ -22,6 +22,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/ui_integration.h"
 #include "chat_helpers/emoji_keywords.h"
 #include "storage/localstorage.h"
+#include "base/platform/base_platform_info.h"
 #include "platform/platform_specific.h"
 #include "mainwindow.h"
 #include "dialogs/dialogs_entry.h"
@@ -174,6 +175,10 @@ void Application::run() {
 		psNewVersion();
 	}
 
+	if (cAutoStart() && !Platform::AutostartSupported()) {
+		cSetAutoStart(false);
+	}
+
 	if (cLaunchMode() == LaunchModeAutoStart && !cAutoStart()) {
 		psAutoStart(false, true);
 		App::quit();
@@ -300,7 +305,7 @@ void Application::showDocument(not_null<DocumentData*> document, HistoryItem *it
 
 	if (cUseExternalVideoPlayer()
 		&& document->isVideoFile()
-		&& document->loaded()) {
+		&& !document->filepath().isEmpty()) {
 		File::Launch(document->location(false).fname);
 	} else {
 		_mediaView->showDocument(document, item);
@@ -767,6 +772,17 @@ void Application::notifyFileDialogShown(bool shown) {
 	}
 }
 
+QWidget *Application::getModalParent() {
+#ifdef Q_OS_LINUX
+	return Platform::IsWayland()
+		? App::wnd()
+		: nullptr;
+#endif // Q_OS_LINUX
+
+	return nullptr;
+}
+
+
 void Application::checkMediaViewActivation() {
 	if (_mediaView && !_mediaView->isHidden()) {
 		_mediaView->activateWindow();

Telegram/SourceFiles/core/application.h

@@ -101,6 +101,7 @@ public:
 	bool minimizeActiveWindow();
 	QWidget *getFileDialogParent();
 	void notifyFileDialogShown(bool shown);
+	QWidget *getModalParent();
 
 	// Media view interface.
 	void checkMediaViewActivation();

Telegram/SourceFiles/core/changelogs.cpp

@@ -18,30 +18,6 @@ namespace {
 
 std::map<int, const char*> BetaLogs() {
 	return {
-	{
-		1009010,
-		"\xE2\x80\xA2 Switch to the Picture-in-Picture mode "
-		"to watch your video in a small window.\n"
-
-		"\xE2\x80\xA2 Change video playback speed "
-		"in the playback controls '...' menu.\n"
-
-		"\xE2\x80\xA2 Rotate photos and videos in the media viewer "
-		"using the rotate button in the bottom right corner.\n"
-	},
-	{
-		1009015,
-		"\xE2\x80\xA2 Mark new messages as read "
-		"while scrolling down through them.\n"
-
-		"\xE2\x80\xA2 Bug fixes and other minor improvements."
-	},
-	{
-		1009017,
-		"\xE2\x80\xA2 Spell checker on Windows 7.\n"
-
-		"\xE2\x80\xA2 Bug fixes and other minor improvements."
-	},
 	{
 		1009020,
 		"\xE2\x80\xA2 Fix crash in shared links search.\n"
@@ -63,6 +39,13 @@ std::map<int, const char*> BetaLogs() {
 		"was added to archive.\n"
 
 		"\xE2\x80\xA2 Fix font issues in Linux version."
+	},
+	{
+		2001008,
+		"\xE2\x80\xA2 Add support for full group message history export.\n"
+
+		"\xE2\x80\xA2 Allow export of a single chat message history "
+		"in JSON format."
 	}
 	};
 };

Telegram/SourceFiles/core/launcher.cpp

@@ -98,13 +98,29 @@ void ComputeDebugMode() {
 }
 
 void ComputeTestMode() {
-	if (QFile(cWorkingDir() + qsl("tdata/withtestmode")).exists()) {
+	if (QFile::exists(cWorkingDir() + qsl("tdata/withtestmode"))) {
 		cSetTestMode(true);
 	}
 }
 
+void ComputeExternalUpdater() {
+	QFile file(qsl("/etc/tdesktop/externalupdater"));
+
+	if (file.exists() && file.open(QIODevice::ReadOnly)) {
+		QTextStream fileStream(&file);
+		while (!fileStream.atEnd()) {
+			const auto path = fileStream.readLine();
+
+			if (path == (cWorkingDir() + cExeName())) {
+				SetUpdaterDisabledAtStartup();
+				return;
+			}
+		}
+	}
+}
+
 void ComputeFreeType() {
-	if (QFile(cWorkingDir() + qsl("tdata/withfreetype")).exists()) {
+	if (QFile::exists(cWorkingDir() + qsl("tdata/withfreetype"))) {
 		cSetUseFreeType(true);
 	}
 }
@@ -124,7 +140,7 @@ void ComputeInstallBetaVersions() {
 	const auto installBetaSettingPath = InstallBetaVersionsSettingPath();
 	if (cAlphaVersion()) {
 		cSetInstallBetaVersion(false);
-	} else if (QFile(installBetaSettingPath).exists()) {
+	} else if (QFile::exists(installBetaSettingPath)) {
 		QFile f(installBetaSettingPath);
 		if (f.open(QIODevice::ReadOnly)) {
 			cSetInstallBetaVersion(f.read(1) != "0");
@@ -168,7 +184,7 @@ bool MoveLegacyAlphaFolder(const QString &folder, const QString &file) {
 	if (QDir(was).exists() && !QDir(now).exists()) {
 		const auto oldFile = was + "/tdata/" + file;
 		const auto newFile = was + "/tdata/alpha";
-		if (QFile(oldFile).exists() && !QFile(newFile).exists()) {
+		if (QFile::exists(oldFile) && !QFile::exists(newFile)) {
 			if (!QFile(oldFile).copy(newFile)) {
 				LOG(("FATAL: Could not copy '%1' to '%2'"
 					).arg(oldFile
@@ -283,6 +299,14 @@ void Launcher::init() {
 	QApplication::setAttribute(Qt::AA_DisableHighDpiScaling, true);
 #endif // OS_MAC_OLD
 
+	// fallback session management is useless for tdesktop since it doesn't have
+	// any "are you sure you want to close this window?" dialogs
+	// but it produces bugs like https://github.com/telegramdesktop/tdesktop/issues/5022
+	// and https://github.com/telegramdesktop/tdesktop/issues/7549
+	// and https://github.com/telegramdesktop/tdesktop/issues/948
+	// more info: https://doc.qt.io/qt-5/qguiapplication.html#isFallbackSessionManagementEnabled
+	QApplication::setFallbackSessionManagementEnabled(false);
+
 	initHook();
 }
 
@@ -328,6 +352,7 @@ void Launcher::workingFolderReady() {
 
 	ComputeTestMode();
 	ComputeDebugMode();
+	ComputeExternalUpdater();
 	ComputeFreeType();
 	ComputeInstallBetaVersions();
 	ComputeInstallationTag();

Telegram/SourceFiles/core/media_active_cache.h

@@ -1,83 +0,0 @@
-/*
-This file is part of Telegram Desktop,
-the official desktop application for the Telegram messaging service.
-
-For license and copyright information please follow this link:
-https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
-*/
-#pragma once
-
-#include "base/last_used_cache.h"
-
-namespace Core {
-
-template <typename Type>
-class MediaActiveCache {
-public:
-	template <typename Unload>
-	MediaActiveCache(int64 limit, Unload &&unload);
-
-	void up(Type *entry);
-	void remove(Type *entry);
-	void clear();
-
-	void increment(int64 amount);
-	void decrement(int64 amount);
-
-private:
-	template <typename Unload>
-	void check(Unload &&unload);
-
-	base::last_used_cache<Type*> _cache;
-	SingleQueuedInvokation _delayed;
-	int64 _usage = 0;
-	int64 _limit = 0;
-
-};
-
-template <typename Type>
-template <typename Unload>
-MediaActiveCache<Type>::MediaActiveCache(int64 limit, Unload &&unload)
-: _delayed([=] { check(unload); })
-, _limit(limit) {
-}
-
-template <typename Type>
-void MediaActiveCache<Type>::up(Type *entry) {
-	_cache.up(entry);
-	_delayed.call();
-}
-
-template <typename Type>
-void MediaActiveCache<Type>::remove(Type *entry) {
-	_cache.remove(entry);
-}
-
-template <typename Type>
-void MediaActiveCache<Type>::clear() {
-	_cache.clear();
-}
-
-template <typename Type>
-void MediaActiveCache<Type>::increment(int64 amount) {
-	_usage += amount;
-}
-
-template <typename Type>
-void MediaActiveCache<Type>::decrement(int64 amount) {
-	_usage -= amount;
-}
-
-template <typename Type>
-template <typename Unload>
-void MediaActiveCache<Type>::check(Unload &&unload) {
-	while (_usage > _limit) {
-		if (const auto entry = _cache.take_lowest()) {
-			unload(entry);
-		} else {
-			break;
-		}
-	}
-}
-
-} // namespace Core

Telegram/SourceFiles/core/version.h

@@ -22,7 +22,7 @@ constexpr auto AppId = "{53F49750-6209-4FBF-9CA8-7A333C87D1ED}"_cs;
 constexpr auto AppNameOld = "Telegram Win (Unofficial)"_cs;
 constexpr auto AppName = "Telegram Desktop"_cs;
 constexpr auto AppFile = "Telegram"_cs;
-constexpr auto AppVersion = 2001005;
-constexpr auto AppVersionStr = "2.1.5";
-constexpr auto AppBetaVersion = false;
+constexpr auto AppVersion = 2001009;
+constexpr auto AppVersionStr = "2.1.9";
+constexpr auto AppBetaVersion = true;
 constexpr auto AppAlphaVersion = TDESKTOP_ALPHA_VERSION;

Telegram/SourceFiles/data/data_auto_download.cpp

@@ -10,8 +10,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_peer.h"
 #include "data/data_photo.h"
 #include "data/data_document.h"
-#include "ui/image/image_source.h"
-#include "ui/image/image.h"
 
 #include <QtCore/QBuffer>
 
@@ -261,7 +259,7 @@ bool Should(
 		const Full &data,
 		Source source,
 		not_null<DocumentData*> document) {
-	if (document->sticker()) {
+	if (document->sticker() || document->isGifv()) {
 		return true;
 	} else if (document->isVoiceMessage()
 		|| document->isVideoMessage()
@@ -294,11 +292,11 @@ bool Should(
 bool Should(
 		const Full &data,
 		not_null<PeerData*> peer,
-		not_null<Images::Source*> image) {
+		not_null<PhotoData*> photo) {
 	return data.shouldDownload(
 		SourceFromPeer(peer),
 		Type::Photo,
-		image->bytesSize());
+		photo->imageByteSize(PhotoSize::Large));
 }
 
 bool ShouldAutoPlay(

Telegram/SourceFiles/data/data_auto_download.h

@@ -9,10 +9,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include <array>
 
-namespace Images {
-class Source;
-} // namespace Images
-
 namespace Data {
 namespace AutoDownload {
 
@@ -118,7 +114,7 @@ private:
 [[nodiscard]] bool Should(
 	const Full &data,
 	not_null<PeerData*> peer,
-	not_null<Images::Source*> image);
+	not_null<PhotoData*> photo);
 
 [[nodiscard]] bool ShouldAutoPlay(
 	const Full &data,

Telegram/SourceFiles/data/data_chat.h

@@ -175,7 +175,6 @@ public:
 	std::deque<not_null<UserData*>> lastAuthors;
 	base::flat_set<not_null<PeerData*>> markupSenders;
 	int botStatus = 0; // -1 - no bots, 0 - unknown, 1 - one bot, that sees all history, 2 - other
-//	ImagePtr photoFull;
 
 private:
 	Flags _flags;

Telegram/SourceFiles/data/data_cloud_file.cpp

@@ -0,0 +1,322 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "data/data_cloud_file.h"
+
+#include "data/data_file_origin.h"
+#include "data/data_session.h"
+#include "storage/cache/storage_cache_database.h"
+#include "storage/file_download.h"
+#include "ui/image/image.h"
+#include "main/main_session.h"
+
+namespace Data {
+
+CloudFile::~CloudFile() {
+	// Destroy loader with still alive CloudFile with already zero '.loader'.
+	// Otherwise in ~FileLoader it tries to clear file.loader and crashes.
+	base::take(loader);
+}
+
+void CloudImageView::set(
+		not_null<Main::Session*> session,
+		QImage image) {
+	_image.emplace(std::move(image));
+	session->downloaderTaskFinished().notify();
+}
+
+CloudImage::CloudImage() = default;
+
+CloudImage::CloudImage(
+		not_null<Main::Session*> session,
+		const ImageWithLocation &data) {
+	update(session, data);
+}
+
+Image *CloudImageView::image() {
+	return _image ? &*_image : nullptr;
+}
+
+void CloudImage::set(
+		not_null<Main::Session*> session,
+		const ImageWithLocation &data) {
+	const auto &was = _file.location.file().data;
+	const auto &now = data.location.file().data;
+	if (!data.location.valid()) {
+		_file.flags |= CloudFile::Flag::Cancelled;
+		_file.loader = nullptr;
+		_file.location = ImageLocation();
+		_file.byteSize = 0;
+		_file.flags = CloudFile::Flag();
+		_view = std::weak_ptr<CloudImageView>();
+	} else if (was != now
+		&& (!was.is<InMemoryLocation>() || now.is<InMemoryLocation>())) {
+		_file.location = ImageLocation();
+		_view = std::weak_ptr<CloudImageView>();
+	}
+	UpdateCloudFile(
+		_file,
+		data,
+		session->data().cache(),
+		kImageCacheTag,
+		[=](FileOrigin origin) { load(session, origin); },
+		[=](QImage preloaded) {
+			if (const auto view = activeView()) {
+				view->set(session, data.preloaded);
+			}
+		});
+}
+
+void CloudImage::update(
+		not_null<Main::Session*> session,
+		const ImageWithLocation &data) {
+	UpdateCloudFile(
+		_file,
+		data,
+		session->data().cache(),
+		kImageCacheTag,
+		[=](FileOrigin origin) { load(session, origin); },
+		[=](QImage preloaded) {
+			if (const auto view = activeView()) {
+				view->set(session, data.preloaded);
+			}
+		});
+}
+
+bool CloudImage::empty() const {
+	return !_file.location.valid();
+}
+
+bool CloudImage::loading() const {
+	return (_file.loader != nullptr);
+}
+
+bool CloudImage::failed() const {
+	return (_file.flags & CloudFile::Flag::Failed);
+}
+
+void CloudImage::load(not_null<Main::Session*> session, FileOrigin origin) {
+	const auto fromCloud = LoadFromCloudOrLocal;
+	const auto cacheTag = kImageCacheTag;
+	const auto autoLoading = false;
+	LoadCloudFile(_file, origin, fromCloud, autoLoading, cacheTag, [=] {
+		if (const auto active = activeView()) {
+			return !active->image();
+		}
+		return true;
+	}, [=](QImage result) {
+		if (const auto active = activeView()) {
+			active->set(session, std::move(result));
+		}
+	});
+}
+
+const ImageLocation &CloudImage::location() const {
+	return _file.location;
+}
+
+int CloudImage::byteSize() const {
+	return _file.byteSize;
+}
+
+std::shared_ptr<CloudImageView> CloudImage::createView() {
+	if (auto active = activeView()) {
+		return active;
+	}
+	auto view = std::make_shared<CloudImageView>();
+	_view = view;
+	return view;
+}
+
+std::shared_ptr<CloudImageView> CloudImage::activeView() {
+	return _view.lock();
+}
+
+bool CloudImage::isCurrentView(
+		const std::shared_ptr<CloudImageView> &view) const {
+	if (!view) {
+		return empty();
+	}
+	return !view.owner_before(_view) && !_view.owner_before(view);
+}
+
+void UpdateCloudFile(
+		CloudFile &file,
+		const ImageWithLocation &data,
+		Storage::Cache::Database &cache,
+		uint8 cacheTag,
+		Fn<void(FileOrigin)> restartLoader,
+		Fn<void(QImage)> usePreloaded) {
+	if (!data.location.valid()) {
+		return;
+	}
+
+	const auto update = !file.location.valid()
+		|| (data.location.file().cacheKey()
+			&& (!file.location.file().cacheKey()
+				|| (file.location.width() < data.location.width())
+				|| (file.location.height() < data.location.height())));
+	if (!update) {
+		return;
+	}
+	auto cacheBytes = !data.bytes.isEmpty()
+		? data.bytes
+		: file.location.file().data.is<InMemoryLocation>()
+		? file.location.file().data.get_unchecked<InMemoryLocation>().bytes
+		: QByteArray();
+	if (!cacheBytes.isEmpty()) {
+		if (const auto cacheKey = data.location.file().cacheKey()) {
+			cache.putIfEmpty(
+				cacheKey,
+				Storage::Cache::Database::TaggedValue(
+					std::move(cacheBytes),
+					cacheTag));
+		}
+	}
+	file.location = data.location;
+	file.byteSize = data.bytesCount;
+	if (!data.preloaded.isNull()) {
+		file.loader = nullptr;
+		if (usePreloaded) {
+			usePreloaded(data.preloaded);
+		}
+	} else if (file.loader) {
+		const auto origin = base::take(file.loader)->fileOrigin();
+		restartLoader(origin);
+	}
+}
+
+void LoadCloudFile(
+		CloudFile &file,
+		FileOrigin origin,
+		LoadFromCloudSetting fromCloud,
+		bool autoLoading,
+		uint8 cacheTag,
+		Fn<bool()> finalCheck,
+		Fn<void(CloudFile&)> done,
+		Fn<void(bool)> fail,
+		Fn<void()> progress) {
+	if (file.loader) {
+		if (fromCloud == LoadFromCloudOrLocal) {
+			file.loader->permitLoadFromCloud();
+		}
+		return;
+	} else if ((file.flags & CloudFile::Flag::Failed)
+		|| !file.location.valid()
+		|| (finalCheck && !finalCheck())) {
+		return;
+	}
+	file.flags &= ~CloudFile::Flag::Cancelled;
+	file.loader = CreateFileLoader(
+		file.location.file(),
+		origin,
+		QString(),
+		file.byteSize,
+		UnknownFileLocation,
+		LoadToCacheAsWell,
+		fromCloud,
+		autoLoading,
+		cacheTag);
+
+	const auto finish = [done](CloudFile &file) {
+		if (!file.loader || file.loader->cancelled()) {
+			file.flags |= CloudFile::Flag::Cancelled;
+		} else {
+			done(file);
+		}
+		// NB! file.loader may be in ~FileLoader() already.
+		if (const auto loader = base::take(file.loader)) {
+			if ((file.flags & CloudFile::Flag::Cancelled)
+				&& !loader->cancelled()) {
+				loader->cancel();
+			}
+		}
+	};
+
+	file.loader->updates(
+	) | rpl::start_with_next_error_done([=] {
+		if (const auto onstack = progress) {
+			onstack();
+		}
+	}, [=, &file](bool started) {
+		finish(file);
+		file.flags |= CloudFile::Flag::Failed;
+		if (const auto onstack = fail) {
+			onstack(started);
+		}
+	}, [=, &file] {
+		finish(file);
+	}, file.loader->lifetime());
+
+	file.loader->start();
+}
+
+void LoadCloudFile(
+		CloudFile &file,
+		FileOrigin origin,
+		LoadFromCloudSetting fromCloud,
+		bool autoLoading,
+		uint8 cacheTag,
+		Fn<bool()> finalCheck,
+		Fn<void(QImage)> done,
+		Fn<void(bool)> fail,
+		Fn<void()> progress) {
+	const auto callback = [=](CloudFile &file) {
+		if (auto read = file.loader->imageData(); read.isNull()) {
+			file.flags |= CloudFile::Flag::Failed;
+			if (const auto onstack = fail) {
+				onstack(true);
+			}
+		} else if (const auto onstack = done) {
+			onstack(std::move(read));
+		}
+	};
+	LoadCloudFile(
+		file,
+		origin,
+		fromCloud,
+		autoLoading,
+		cacheTag,
+		finalCheck,
+		callback,
+		std::move(fail),
+		std::move(progress));
+}
+
+void LoadCloudFile(
+		CloudFile &file,
+		FileOrigin origin,
+		LoadFromCloudSetting fromCloud,
+		bool autoLoading,
+		uint8 cacheTag,
+		Fn<bool()> finalCheck,
+		Fn<void(QByteArray)> done,
+		Fn<void(bool)> fail,
+		Fn<void()> progress) {
+	const auto callback = [=](CloudFile &file) {
+		if (auto bytes = file.loader->bytes(); bytes.isEmpty()) {
+			file.flags |= CloudFile::Flag::Failed;
+			if (const auto onstack = fail) {
+				onstack(true);
+			}
+		} else if (const auto onstack = done) {
+			onstack(std::move(bytes));
+		}
+	};
+	LoadCloudFile(
+		file,
+		origin,
+		fromCloud,
+		autoLoading,
+		cacheTag,
+		finalCheck,
+		callback,
+		std::move(fail),
+		std::move(progress));
+}
+
+} // namespace Data

Telegram/SourceFiles/data/data_cloud_file.h

@@ -0,0 +1,120 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/flags.h"
+#include "ui/image/image.h"
+#include "ui/image/image_location.h"
+
+class FileLoader;
+
+namespace Storage {
+namespace Cache {
+class Database;
+} // namespace Cache
+} // namespace Storage
+
+namespace Main {
+class Session;
+} // namespace Main
+
+namespace Data {
+
+struct FileOrigin;
+
+struct CloudFile final {
+	enum class Flag : uchar {
+		Cancelled = 0x01,
+		Failed = 0x02,
+	};
+	friend inline constexpr bool is_flag_type(Flag) { return true; };
+
+	~CloudFile();
+
+	ImageLocation location;
+	std::unique_ptr<FileLoader> loader;
+	int byteSize = 0;
+	base::flags<Flag> flags;
+};
+
+class CloudImageView final {
+public:
+	void set(not_null<Main::Session*> session, QImage image);
+
+	[[nodiscard]] Image *image();
+
+private:
+	std::optional<Image> _image;
+
+};
+
+class CloudImage final {
+public:
+	CloudImage();
+	CloudImage(
+		not_null<Main::Session*> session,
+		const ImageWithLocation &data);
+
+	// This method will replace the location and zero the _view pointer.
+	void set(
+		not_null<Main::Session*> session,
+		const ImageWithLocation &data);
+
+	void update(
+		not_null<Main::Session*> session,
+		const ImageWithLocation &data);
+
+	[[nodiscard]] bool empty() const;
+	[[nodiscard]] bool loading() const;
+	[[nodiscard]] bool failed() const;
+	void load(not_null<Main::Session*> session, FileOrigin origin);
+	[[nodiscard]] const ImageLocation &location() const;
+	[[nodiscard]] int byteSize() const;
+
+	[[nodiscard]] std::shared_ptr<CloudImageView> createView();
+	[[nodiscard]] std::shared_ptr<CloudImageView> activeView();
+	[[nodiscard]] bool isCurrentView(
+		const std::shared_ptr<CloudImageView> &view) const;
+
+private:
+	CloudFile _file;
+	std::weak_ptr<CloudImageView> _view;
+
+};
+
+void UpdateCloudFile(
+	CloudFile &file,
+	const ImageWithLocation &data,
+	Storage::Cache::Database &cache,
+	uint8 cacheTag,
+	Fn<void(FileOrigin)> restartLoader,
+	Fn<void(QImage)> usePreloaded = nullptr);
+
+void LoadCloudFile(
+	CloudFile &file,
+	FileOrigin origin,
+	LoadFromCloudSetting fromCloud,
+	bool autoLoading,
+	uint8 cacheTag,
+	Fn<bool()> finalCheck,
+	Fn<void(QImage)> done,
+	Fn<void(bool)> fail = nullptr,
+	Fn<void()> progress = nullptr);
+
+void LoadCloudFile(
+	CloudFile &file,
+	FileOrigin origin,
+	LoadFromCloudSetting fromCloud,
+	bool autoLoading,
+	uint8 cacheTag,
+	Fn<bool()> finalCheck,
+	Fn<void(QByteArray)> done,
+	Fn<void(bool)> fail = nullptr,
+	Fn<void()> progress = nullptr);
+
+} // namespace Data

Telegram/SourceFiles/data/data_cloud_themes.cpp

@@ -14,6 +14,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_document.h"
 #include "data/data_file_origin.h"
+#include "data/data_document_media.h"
 #include "main/main_session.h"
 #include "boxes/confirm_box.h"
 #include "core/application.h" // Core::App().showTheme.
@@ -178,9 +179,11 @@ void CloudThemes::showPreview(const CloudTheme &cloud) {
 
 void CloudThemes::applyFromDocument(const CloudTheme &cloud) {
 	const auto document = _session->data().document(cloud.documentId);
-	loadDocumentAndInvoke(_updatingFrom, cloud, document, [=] {
+	loadDocumentAndInvoke(_updatingFrom, cloud, document, [=](
+			std::shared_ptr<Data::DocumentMedia> media) {
+		const auto document = media->owner();
 		auto preview = Window::Theme::PreviewFromFile(
-			document->data(),
+			media->bytes(),
 			document->location().name(),
 			cloud);
 		if (preview) {
@@ -192,7 +195,9 @@ void CloudThemes::applyFromDocument(const CloudTheme &cloud) {
 
 void CloudThemes::previewFromDocument(const CloudTheme &cloud) {
 	const auto document = _session->data().document(cloud.documentId);
-	loadDocumentAndInvoke(_previewFrom, cloud, document, [=] {
+	loadDocumentAndInvoke(_previewFrom, cloud, document, [=](
+			std::shared_ptr<Data::DocumentMedia> media) {
+		const auto document = media->owner();
 		Core::App().showTheme(document, cloud);
 	});
 }
@@ -201,25 +206,26 @@ void CloudThemes::loadDocumentAndInvoke(
 		LoadingDocument &value,
 		const CloudTheme &cloud,
 		not_null<DocumentData*> document,
-		Fn<void()> callback) {
+		Fn<void(std::shared_ptr<Data::DocumentMedia>)> callback) {
 	const auto alreadyWaiting = (value.document != nullptr);
 	if (alreadyWaiting) {
 		value.document->cancel();
 	}
 	value.document = document;
+	value.documentMedia = document->createMediaView();
 	value.document->save(
 		Data::FileOriginTheme(cloud.id, cloud.accessHash),
 		QString());
 	value.callback = std::move(callback);
-	if (document->loaded()) {
+	if (value.documentMedia->loaded()) {
 		invokeForLoaded(value);
 		return;
 	}
 	if (!alreadyWaiting) {
 		base::ObservableViewer(
 			_session->downloaderTaskFinished()
-		) | rpl::filter([=] {
-			return document->loaded();
+		) | rpl::filter([=, &value] {
+			return value.documentMedia->loaded();
 		}) | rpl::start_with_next([=, &value] {
 			invokeForLoaded(value);
 		}, value.subscription);
@@ -228,8 +234,9 @@ void CloudThemes::loadDocumentAndInvoke(
 
 void CloudThemes::invokeForLoaded(LoadingDocument &value) {
 	const auto onstack = std::move(value.callback);
+	auto media = std::move(value.documentMedia);
 	value = LoadingDocument();
-	onstack();
+	onstack(std::move(media));
 }
 
 void CloudThemes::scheduleReload() {

Telegram/SourceFiles/data/data_cloud_themes.h

@@ -17,6 +17,8 @@ class Session;
 
 namespace Data {
 
+class DocumentMedia;
+
 struct CloudTheme {
 	uint64 id = 0;
 	uint64 accessHash = 0;
@@ -54,8 +56,9 @@ private:
 	struct LoadingDocument {
 		CloudTheme theme;
 		DocumentData *document = nullptr;
+		std::shared_ptr<Data::DocumentMedia> documentMedia;
 		rpl::lifetime subscription;
-		Fn<void()> callback;
+		Fn<void(std::shared_ptr<Data::DocumentMedia>)> callback;
 	};
 
 	void parseThemes(const QVector<MTPTheme> &list);
@@ -71,7 +74,7 @@ private:
 		LoadingDocument &value,
 		const CloudTheme &cloud,
 		not_null<DocumentData*> document,
-		Fn<void()> callback);
+		Fn<void(std::shared_ptr<Data::DocumentMedia>)> callback);
 	void invokeForLoaded(LoadingDocument &value);
 
 	const not_null<Main::Session*> _session;

Telegram/SourceFiles/data/data_document.h

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/flags.h"
 #include "base/binary_guard.h"
 #include "data/data_types.h"
+#include "data/data_cloud_file.h"
 #include "ui/image/image.h"
 
 class mtpFileLoader;
@@ -32,6 +33,8 @@ class Loader;
 
 namespace Data {
 class Session;
+class DocumentMedia;
+class ReplyPreview;
 } // namespace Data
 
 namespace Main {
@@ -56,11 +59,9 @@ struct DocumentAdditionalData {
 struct StickerData : public DocumentAdditionalData {
 	Data::FileOrigin setOrigin() const;
 
-	std::unique_ptr<Image> image;
 	bool animated = false;
 	QString alt;
 	MTPInputStickerSet set = MTP_inputStickerSetEmpty();
-	StorageImageLocation loc; // doc thumb location
 };
 
 struct SongData : public DocumentAdditionalData {
@@ -83,9 +84,10 @@ namespace Serialize {
 class Document;
 } // namespace Serialize;
 
-class DocumentData {
+class DocumentData final {
 public:
 	DocumentData(not_null<Data::Session*> owner, DocumentId id);
+	~DocumentData();
 
 	[[nodiscard]] Data::Session &owner() const;
 	[[nodiscard]] Main::Session &session() const;
@@ -93,19 +95,8 @@ public:
 	void setattributes(
 		const QVector<MTPDocumentAttribute> &attributes);
 
-	void automaticLoad(
-		Data::FileOrigin origin,
-		const HistoryItem *item);
 	void automaticLoadSettingsChanged();
 
-	enum class FilePathResolve {
-		Cached,
-		Checked,
-		SaveFromData,
-		SaveFromDataSilent,
-	};
-	[[nodiscard]] bool loaded(
-		FilePathResolve resolve = FilePathResolve::Cached) const;
 	[[nodiscard]] bool loading() const;
 	[[nodiscard]] QString loadingFilePath() const;
 	[[nodiscard]] bool displayLoading() const;
@@ -125,23 +116,18 @@ public:
 	void setWaitingForAlbum();
 	[[nodiscard]] bool waitingForAlbum() const;
 
-	[[nodiscard]] QByteArray data() const;
 	[[nodiscard]] const FileLocation &location(bool check = false) const;
 	void setLocation(const FileLocation &loc);
 
-	[[nodiscard]] QString filepath(
-		FilePathResolve resolve = FilePathResolve::Cached) const;
+	bool saveFromData();
+	bool saveFromDataSilent();
+	[[nodiscard]] QString filepath(bool check = false) const;
 
 	[[nodiscard]] bool saveToCache() const;
 
-	void unload();
 	[[nodiscard]] Image *getReplyPreview(Data::FileOrigin origin);
 
 	[[nodiscard]] StickerData *sticker() const;
-	void checkStickerLarge();
-	void checkStickerSmall();
-	[[nodiscard]] Image *getStickerSmall();
-	[[nodiscard]] Image *getStickerLarge();
 	[[nodiscard]] Data::FileOrigin stickerSetOrigin() const;
 	[[nodiscard]] Data::FileOrigin stickerOrGifOrigin() const;
 	[[nodiscard]] bool isStickerSetInstalled() const;
@@ -164,30 +150,52 @@ public:
 	void recountIsImage();
 	[[nodiscard]] bool supportsStreaming() const;
 	void setNotSupportsStreaming();
-	void setData(const QByteArray &data) {
-		_data = data;
-	}
 	void setDataAndCache(const QByteArray &data);
 	bool checkWallPaperProperties();
 	[[nodiscard]] bool isWallPaper() const;
 	[[nodiscard]] bool isPatternWallPaper() const;
 
 	[[nodiscard]] bool hasThumbnail() const;
+	[[nodiscard]] bool thumbnailLoading() const;
+	[[nodiscard]] bool thumbnailFailed() const;
 	void loadThumbnail(Data::FileOrigin origin);
-	[[nodiscard]] Image *thumbnailInline() const;
-	[[nodiscard]] Image *thumbnail() const;
+	[[nodiscard]] const ImageLocation &thumbnailLocation() const;
+	[[nodiscard]] int thumbnailByteSize() const;
+
+	[[nodiscard]] bool hasVideoThumbnail() const;
+	[[nodiscard]] bool videoThumbnailLoading() const;
+	[[nodiscard]] bool videoThumbnailFailed() const;
+	void loadVideoThumbnail(Data::FileOrigin origin);
+	const ImageLocation &videoThumbnailLocation() const;
+	int videoThumbnailByteSize() const;
+
 	void updateThumbnails(
-		ImagePtr thumbnailInline,
-		ImagePtr thumbnail);
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &videoThumbnail);
+
+	[[nodiscard]] QByteArray inlineThumbnailBytes() const {
+		return _inlineThumbnailBytes;
+	}
+	void clearInlineThumbnailBytes() {
+		_inlineThumbnailBytes = QByteArray();
+	}
 
-	[[nodiscard]] Image *goodThumbnail() const;
 	[[nodiscard]] Storage::Cache::Key goodThumbnailCacheKey() const;
-	void setGoodThumbnailOnUpload(QImage &&image, QByteArray &&bytes);
-	void refreshGoodThumbnail();
-	void replaceGoodThumbnail(std::unique_ptr<Images::Source> &&source);
+	[[nodiscard]] bool goodThumbnailChecked() const;
+	[[nodiscard]] bool goodThumbnailGenerating() const;
+	[[nodiscard]] bool goodThumbnailNoData() const;
+	void setGoodThumbnailGenerating();
+	void setGoodThumbnailDataReady();
+	void setGoodThumbnailChecked(bool hasData);
 
-	[[nodiscard]] auto bigFileBaseCacheKey() const
-	-> std::optional<Storage::Cache::Key>;
+	[[nodiscard]] std::shared_ptr<Data::DocumentMedia> createMediaView();
+	[[nodiscard]] auto activeMediaView() const
+		-> std::shared_ptr<Data::DocumentMedia>;
+	void setGoodThumbnailPhoto(not_null<PhotoData*> photo);
+	[[nodiscard]] PhotoData *goodThumbnailPhoto() const;
+
+	[[nodiscard]] Storage::Cache::Key bigFileBaseCacheKey() const;
 
 	void setRemoteLocation(
 		int32 dc,
@@ -201,7 +209,6 @@ public:
 	[[nodiscard]] MTPInputDocument mtpInput() const;
 	[[nodiscard]] QByteArray fileReference() const;
 	void refreshFileReference(const QByteArray &value);
-	void refreshStickerThumbFileReference();
 
 	// When we have some client-side generated document
 	// (for example for displaying an external inline bot result)
@@ -224,18 +231,16 @@ public:
 		const QString &songPerformer);
 	[[nodiscard]] QString composeNameString() const;
 
-	[[nodiscard]] bool canBePlayed() const;
 	[[nodiscard]] bool canBeStreamed() const;
 	[[nodiscard]] auto createStreamingLoader(
 		Data::FileOrigin origin,
 		bool forceRemoteLoader) const
 	-> std::unique_ptr<Media::Streaming::Loader>;
+	[[nodiscard]] bool useStreamingLoader() const;
 
 	void setInappPlaybackFailed();
 	[[nodiscard]] bool inappPlaybackFailed() const;
 
-	~DocumentData();
-
 	DocumentId id = 0;
 	DocumentType type = FileDocument;
 	QSize dimensions;
@@ -258,6 +263,17 @@ private:
 	using Flags = base::flags<Flag>;
 	friend constexpr bool is_flag_type(Flag) { return true; };
 
+	enum class GoodThumbnailFlag : uchar {
+		Checked = 0x01,
+		Generating = 0x02,
+		NoData = 0x03,
+		Mask = 0x03,
+
+		DataReady = 0x04,
+	};
+	using GoodThumbnailState = base::flags<GoodThumbnailFlag>;
+	friend constexpr bool is_flag_type(GoodThumbnailFlag) { return true; };
+
 	static constexpr Flags kStreamingSupportedMask = Flags()
 		| Flag::StreamingMaybeYes
 		| Flag::StreamingMaybeNo;
@@ -272,16 +288,18 @@ private:
 
 	friend class Serialize::Document;
 
-	LocationType locationType() const;
+	[[nodiscard]] LocationType locationType() const;
 	void validateLottieSticker();
-	void validateGoodThumbnail();
 	void setMaybeSupportsStreaming(bool supports);
 	void setLoadedInMediaCacheLocation();
 
-	void destroyLoader() const;
+	void finishLoad();
+	void handleLoaderUpdates();
+	void destroyLoader();
 
-	[[nodiscard]] bool useStreamingLoader() const;
-	[[nodiscard]] bool thumbnailEnoughForSticker() const;
+	bool saveFromDataChecked();
+
+	const not_null<Data::Session*> _owner;
 
 	// Two types of location: from MTProto by dc+access or from web by url
 	int32 _dc = 0;
@@ -292,19 +310,19 @@ private:
 	QString _mimeString;
 	WebFileLocation _urlLocation;
 
-	ImagePtr _thumbnailInline;
-	ImagePtr _thumbnail;
-	std::unique_ptr<Image> _goodThumbnail;
-	Data::ReplyPreview _replyPreview;
-
-	not_null<Data::Session*> _owner;
+	QByteArray _inlineThumbnailBytes;
+	Data::CloudFile _thumbnail;
+	Data::CloudFile _videoThumbnail;
+	std::unique_ptr<Data::ReplyPreview> _replyPreview;
+	std::weak_ptr<Data::DocumentMedia> _media;
+	PhotoData *_goodThumbnailPhoto = nullptr;
 
 	FileLocation _location;
-	QByteArray _data;
 	std::unique_ptr<DocumentAdditionalData> _additional;
 	int32 _duration = -1;
 	mutable Flags _flags = kStreamingSupportedUnknown;
-	mutable std::unique_ptr<FileLoader> _loader;
+	GoodThumbnailState _goodThumbnailState = GoodThumbnailState();
+	std::unique_ptr<FileLoader> _loader;
 
 };
 
@@ -421,13 +439,19 @@ QString FileNameForSave(
 	bool savingAs,
 	const QDir &dir = QDir());
 
+QString DocumentFileNameForSave(
+	not_null<const DocumentData*> data,
+	bool forceSavingAs = false,
+	const QString &already = QString(),
+	const QDir &dir = QDir());
+
 namespace Data {
 
 QString FileExtension(const QString &filepath);
 bool IsValidMediaFile(const QString &filepath);
 bool IsExecutableName(const QString &filepath);
 base::binary_guard ReadImageAsync(
-	not_null<DocumentData*> document,
+	not_null<Data::DocumentMedia*> media,
 	FnMut<QImage(QImage)> postprocess,
 	FnMut<void(QImage&&)> done);
 

Telegram/SourceFiles/data/data_document_good_thumbnail.cpp

@@ -1,285 +0,0 @@
-/*
-This file is part of Telegram Desktop,
-the official desktop application for the Telegram messaging service.
-
-For license and copyright information please follow this link:
-https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
-*/
-#include "data/data_document_good_thumbnail.h"
-
-#include "data/data_session.h"
-#include "data/data_document.h"
-#include "data/data_file_origin.h"
-#include "data/data_cloud_themes.h"
-#include "media/clip/media_clip_reader.h"
-#include "lottie/lottie_animation.h"
-#include "window/themes/window_theme_preview.h"
-#include "main/main_session.h"
-#include "app.h"
-
-#include <QtCore/QBuffer>
-#include <QtGui/QImageReader>
-
-namespace Data {
-namespace {
-
-constexpr auto kGoodThumbQuality = 87;
-constexpr auto kWallPaperSize = 960;
-
-enum class FileType {
-	Video,
-	AnimatedSticker,
-	WallPaper,
-	Theme,
-};
-
-QImage Prepare(
-		const QString &path,
-		QByteArray data,
-		FileType type) {
-	if (type == FileType::Video) {
-		return ::Media::Clip::PrepareForSending(path, data).thumbnail;
-	} else if (type == FileType::AnimatedSticker) {
-		return Lottie::ReadThumbnail(Lottie::ReadContent(data, path));
-	} else if (type == FileType::Theme) {
-		return Window::Theme::GeneratePreview(data, path);
-	}
-	const auto validateSize = [](QSize size) {
-		return (size.width() + size.height()) < 10'000;
-	};
-	auto buffer = QBuffer(&data);
-	auto file = QFile(path);
-	auto device = data.isEmpty() ? static_cast<QIODevice*>(&file) : &buffer;
-	auto reader = QImageReader(device);
-#ifndef OS_MAC_OLD
-	reader.setAutoTransform(true);
-#endif // OS_MAC_OLD
-	if (!reader.canRead() || !validateSize(reader.size())) {
-		return QImage();
-	}
-	auto result = reader.read();
-	if (!result.width() || !result.height()) {
-		return QImage();
-	}
-	return (result.width() > kWallPaperSize
-		|| result.height() > kWallPaperSize)
-		? result.scaled(
-			kWallPaperSize,
-			kWallPaperSize,
-			Qt::KeepAspectRatio,
-			Qt::SmoothTransformation)
-		: result;
-}
-
-} // namespace
-
-GoodThumbSource::GoodThumbSource(not_null<DocumentData*> document)
-: _document(document) {
-}
-
-void GoodThumbSource::generate(base::binary_guard &&guard) {
-	if (!guard) {
-		return;
-	}
-	const auto data = _document->data();
-	const auto type = _document->isWallPaper()
-		? FileType::WallPaper
-		: _document->isTheme()
-		? FileType::Theme
-		: _document->sticker()
-		? FileType::AnimatedSticker
-		: FileType::Video;
-	auto location = _document->location().isEmpty()
-		? nullptr
-		: std::make_unique<FileLocation>(_document->location());
-	if (data.isEmpty() && !location) {
-		_empty = true;
-		return;
-	}
-	crl::async([
-		=,
-		guard = std::move(guard),
-		location = std::move(location)
-	]() mutable {
-		const auto filepath = (location && location->accessEnable())
-			? location->name()
-			: QString();
-		auto result = Prepare(filepath, data, type);
-		auto bytes = QByteArray();
-		if (!result.isNull()) {
-			auto buffer = QBuffer(&bytes);
-			const auto format = (type == FileType::AnimatedSticker)
-				? "WEBP"
-				: (type == FileType::WallPaper && result.hasAlphaChannel())
-				? "PNG"
-				: "JPG";
-			result.save(&buffer, format, kGoodThumbQuality);
-		}
-		if (!filepath.isEmpty()) {
-			location->accessDisable();
-		}
-		const auto bytesSize = bytes.size();
-		ready(
-			std::move(guard),
-			std::move(result),
-			bytesSize,
-			std::move(bytes));
-	});
-}
-
-// NB: This method is called from crl::async(), 'this' is unreliable.
-void GoodThumbSource::ready(
-		base::binary_guard &&guard,
-		QImage &&image,
-		int bytesSize,
-		QByteArray &&bytesForCache) {
-	crl::on_main(std::move(guard), [
-		=,
-		image = std::move(image),
-		bytes = std::move(bytesForCache)
-	]() mutable {
-		if (image.isNull()) {
-			_empty = true;
-			return;
-		}
-		_loaded = std::move(image);
-		_width = _loaded.width();
-		_height = _loaded.height();
-		_bytesSize = bytesSize;
-		if (!bytes.isEmpty()) {
-			Auth().data().cache().put(
-				_document->goodThumbnailCacheKey(),
-				Storage::Cache::Database::TaggedValue{
-					std::move(bytes),
-					kImageCacheTag });
-		}
-		Auth().downloaderTaskFinished().notify();
-	});
-}
-
-void GoodThumbSource::load(FileOrigin origin) {
-	if (loading() || _empty) {
-		return;
-	}
-	auto callback = [=, guard = _loading.make_guard()](
-			QByteArray &&value) mutable {
-		if (value.isEmpty()) {
-			crl::on_main([=, guard = std::move(guard)]() mutable {
-				generate(std::move(guard));
-			});
-			return;
-		}
-		crl::async([
-			=,
-			guard = std::move(guard),
-			value = std::move(value)
-		]() mutable {
-			ready(
-				std::move(guard),
-				App::readImage(value, nullptr, false),
-				value.size());
-		});
-	};
-
-	Auth().data().cache().get(
-		_document->goodThumbnailCacheKey(),
-		std::move(callback));
-}
-
-void GoodThumbSource::loadEvenCancelled(FileOrigin origin) {
-	_empty = false;
-	load(origin);
-}
-
-QImage GoodThumbSource::takeLoaded() {
-	return std::move(_loaded);
-}
-
-void GoodThumbSource::unload() {
-	_loaded = QImage();
-	cancel();
-}
-
-void GoodThumbSource::automaticLoad(
-	FileOrigin origin,
-	const HistoryItem *item) {
-}
-
-void GoodThumbSource::automaticLoadSettingsChanged() {
-}
-
-bool GoodThumbSource::loading() {
-	return _loading.alive();
-}
-
-bool GoodThumbSource::displayLoading() {
-	return false;
-}
-
-void GoodThumbSource::cancel() {
-	_loading = nullptr;
-}
-
-float64 GoodThumbSource::progress() {
-	return 1.;
-}
-
-int GoodThumbSource::loadOffset() {
-	return 0;
-}
-
-const StorageImageLocation &GoodThumbSource::location() {
-	return StorageImageLocation::Invalid();
-}
-
-void GoodThumbSource::refreshFileReference(const QByteArray &data) {
-}
-
-std::optional<Storage::Cache::Key> GoodThumbSource::cacheKey() {
-	return _document->goodThumbnailCacheKey();
-}
-
-void GoodThumbSource::setDelayedStorageLocation(
-	const StorageImageLocation &location) {
-}
-
-void GoodThumbSource::performDelayedLoad(FileOrigin origin) {
-}
-
-bool GoodThumbSource::isDelayedStorageImage() const {
-	return false;
-}
-
-void GoodThumbSource::setImageBytes(const QByteArray &bytes) {
-	if (!bytes.isEmpty()) {
-		cancel();
-		_loaded = App::readImage(bytes);
-		_width = _loaded.width();
-		_height = _loaded.height();
-		_bytesSize = bytes.size();
-	}
-}
-
-int GoodThumbSource::width() {
-	return _width;
-}
-
-int GoodThumbSource::height() {
-	return _height;
-}
-
-int GoodThumbSource::bytesSize() {
-	return _bytesSize;
-}
-
-void GoodThumbSource::setInformation(int size, int width, int height) {
-	_width = width;
-	_height = height;
-	_bytesSize = size;
-}
-
-QByteArray GoodThumbSource::bytesForCache() {
-	return QByteArray();
-}
-
-} // namespace Data

Telegram/SourceFiles/data/data_document_good_thumbnail.h

@@ -1,73 +0,0 @@
-/*
-This file is part of Telegram Desktop,
-the official desktop application for the Telegram messaging service.
-
-For license and copyright information please follow this link:
-https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
-*/
-#pragma once
-
-#include "ui/image/image.h"
-#include "base/binary_guard.h"
-
-class DocumentData;
-
-namespace Data {
-
-class GoodThumbSource : public Images::Source {
-public:
-	explicit GoodThumbSource(not_null<DocumentData*> document);
-
-	void load(FileOrigin origin) override;
-	void loadEvenCancelled(FileOrigin origin) override;
-	QImage takeLoaded() override;
-	void unload() override;
-
-	void automaticLoad(
-		FileOrigin origin,
-		const HistoryItem *item) override;
-	void automaticLoadSettingsChanged() override;
-
-	bool loading() override;
-	bool displayLoading() override;
-	void cancel() override;
-	float64 progress() override;
-	int loadOffset() override;
-
-	const StorageImageLocation &location() override;
-	void refreshFileReference(const QByteArray &data) override;
-	std::optional<Storage::Cache::Key> cacheKey() override;
-	void setDelayedStorageLocation(
-		const StorageImageLocation &location) override;
-	void performDelayedLoad(FileOrigin origin) override;
-	bool isDelayedStorageImage() const override;
-	void setImageBytes(const QByteArray &bytes) override;
-
-	int width() override;
-	int height() override;
-	int bytesSize() override;
-	void setInformation(int size, int width, int height) override;
-
-	QByteArray bytesForCache() override;
-
-private:
-	void generate(base::binary_guard &&guard);
-
-	// NB: This method is called from crl::async(), 'this' is unreliable.
-	void ready(
-		base::binary_guard &&guard,
-		QImage &&image,
-		int bytesSize,
-		QByteArray &&bytesForCache = {});
-
-	not_null<DocumentData*> _document;
-	QImage _loaded;
-	base::binary_guard _loading;
-	int _width = 0;
-	int _height = 0;
-	int _bytesSize = 0;
-	bool _empty = false;
-
-};
-
-} // namespace Data

Telegram/SourceFiles/data/data_document_media.cpp

@@ -0,0 +1,469 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "data/data_document_media.h"
+
+#include "data/data_document.h"
+#include "data/data_session.h"
+#include "data/data_cloud_themes.h"
+#include "data/data_file_origin.h"
+#include "data/data_auto_download.h"
+#include "media/clip/media_clip_reader.h"
+#include "main/main_session.h"
+#include "lottie/lottie_animation.h"
+#include "history/history_item.h"
+#include "history/history.h"
+#include "window/themes/window_theme_preview.h"
+#include "storage/file_download.h"
+#include "ui/image/image.h"
+#include "facades.h"
+#include "app.h"
+
+#include <QtCore/QBuffer>
+#include <QtGui/QImageReader>
+
+namespace Data {
+namespace {
+
+constexpr auto kReadAreaLimit = 12'032 * 9'024;
+constexpr auto kWallPaperThumbnailLimit = 960;
+constexpr auto kMaxVideoFrameArea = 7'680 * 4'320;
+constexpr auto kGoodThumbQuality = 87;
+
+enum class FileType {
+	Video,
+	AnimatedSticker,
+	WallPaper,
+	Theme,
+};
+
+[[nodiscard]] bool MayHaveGoodThumbnail(not_null<DocumentData*> owner) {
+	return owner->isVideoFile()
+		|| owner->isAnimation()
+		|| owner->isWallPaper()
+		|| owner->isTheme()
+		|| (owner->sticker() && owner->sticker()->animated);
+}
+
+[[nodiscard]] QImage PrepareGoodThumbnail(
+		const QString &path,
+		QByteArray data,
+		FileType type) {
+	if (type == FileType::Video) {
+		return ::Media::Clip::PrepareForSending(path, data).thumbnail;
+	} else if (type == FileType::AnimatedSticker) {
+		return Lottie::ReadThumbnail(Lottie::ReadContent(data, path));
+	} else if (type == FileType::Theme) {
+		return Window::Theme::GeneratePreview(data, path);
+	}
+	auto buffer = QBuffer(&data);
+	auto file = QFile(path);
+	auto device = data.isEmpty() ? static_cast<QIODevice*>(&file) : &buffer;
+	auto reader = QImageReader(device);
+	const auto size = reader.size();
+	if (!reader.canRead()
+		|| (size.width() * size.height() > kReadAreaLimit)) {
+		return QImage();
+	}
+	auto result = reader.read();
+	if (!result.width() || !result.height()) {
+		return QImage();
+	}
+	return (result.width() > kWallPaperThumbnailLimit
+		|| result.height() > kWallPaperThumbnailLimit)
+		? result.scaled(
+			kWallPaperThumbnailLimit,
+			kWallPaperThumbnailLimit,
+			Qt::KeepAspectRatio,
+			Qt::SmoothTransformation)
+		: result;
+}
+
+} // namespace
+
+VideoPreviewState::VideoPreviewState(DocumentMedia *media)
+: _media(media)
+, _usingThumbnail(media ? media->owner()->hasVideoThumbnail() : false) {
+}
+
+void VideoPreviewState::automaticLoad(Data::FileOrigin origin) const {
+	Expects(_media != nullptr);
+
+	if (_usingThumbnail) {
+		_media->videoThumbnailWanted(origin);
+	} else {
+		_media->automaticLoad(origin, nullptr);
+	}
+}
+
+::Media::Clip::ReaderPointer VideoPreviewState::makeAnimation(
+		Fn<void(::Media::Clip::Notification)> callback) const {
+	Expects(_media != nullptr);
+	Expects(loaded());
+
+	return _usingThumbnail
+		? ::Media::Clip::MakeReader(
+			_media->videoThumbnailContent(),
+			std::move(callback))
+		: ::Media::Clip::MakeReader(
+			_media,
+			FullMsgId(),
+			std::move(callback));
+}
+
+bool VideoPreviewState::usingThumbnail() const {
+	return _usingThumbnail;
+}
+
+bool VideoPreviewState::loading() const {
+	return _usingThumbnail
+		? _media->owner()->videoThumbnailLoading()
+		: _media
+		? _media->owner()->loading()
+		: false;
+}
+
+bool VideoPreviewState::loaded() const {
+	return _usingThumbnail
+		? !_media->videoThumbnailContent().isEmpty()
+		: _media
+		? _media->loaded()
+		: false;
+}
+
+DocumentMedia::DocumentMedia(not_null<DocumentData*> owner)
+: _owner(owner) {
+}
+
+// NB! Right now DocumentMedia can outlive Main::Session!
+// In DocumentData::collectLocalData a shared_ptr is sent on_main.
+// In case this is a problem the ~Gif code should be rewritten.
+DocumentMedia::~DocumentMedia() = default;
+
+not_null<DocumentData*> DocumentMedia::owner() const {
+	return _owner;
+}
+
+void DocumentMedia::goodThumbnailWanted() {
+	_flags |= Flag::GoodThumbnailWanted;
+}
+
+Image *DocumentMedia::goodThumbnail() const {
+	Expects((_flags & Flag::GoodThumbnailWanted) != 0);
+
+	if (!_goodThumbnail) {
+		ReadOrGenerateThumbnail(_owner);
+	}
+	return _goodThumbnail.get();
+}
+
+void DocumentMedia::setGoodThumbnail(QImage thumbnail) {
+	if (!(_flags & Flag::GoodThumbnailWanted)) {
+		return;
+	}
+	_goodThumbnail = std::make_unique<Image>(std::move(thumbnail));
+	_owner->session().downloaderTaskFinished().notify();
+}
+
+Image *DocumentMedia::thumbnailInline() const {
+	if (!_inlineThumbnail) {
+		const auto bytes = _owner->inlineThumbnailBytes();
+		if (!bytes.isEmpty()) {
+			auto image = Images::FromInlineBytes(bytes);
+			if (image.isNull()) {
+				_owner->clearInlineThumbnailBytes();
+			} else {
+				_inlineThumbnail = std::make_unique<Image>(std::move(image));
+			}
+		}
+	}
+	return _inlineThumbnail.get();
+}
+
+Image *DocumentMedia::thumbnail() const {
+	return _thumbnail.get();
+}
+
+void DocumentMedia::thumbnailWanted(Data::FileOrigin origin) {
+	if (!_thumbnail) {
+		_owner->loadThumbnail(origin);
+	}
+}
+
+QSize DocumentMedia::thumbnailSize() const {
+	if (const auto image = _thumbnail.get()) {
+		return image->size();
+	}
+	const auto &location = _owner->thumbnailLocation();
+	return { location.width(), location.height() };
+}
+
+void DocumentMedia::setThumbnail(QImage thumbnail) {
+	_thumbnail = std::make_unique<Image>(std::move(thumbnail));
+	_owner->session().downloaderTaskFinished().notify();
+}
+
+QByteArray DocumentMedia::videoThumbnailContent() const {
+	return _videoThumbnailBytes;
+}
+
+QSize DocumentMedia::videoThumbnailSize() const {
+	const auto &location = _owner->videoThumbnailLocation();
+	return { location.width(), location.height() };
+}
+
+void DocumentMedia::videoThumbnailWanted(Data::FileOrigin origin) {
+	if (_videoThumbnailBytes.isEmpty()) {
+		_owner->loadVideoThumbnail(origin);
+	}
+}
+
+void DocumentMedia::setVideoThumbnail(QByteArray content) {
+	_videoThumbnailBytes = std::move(content);
+}
+
+void DocumentMedia::checkStickerLarge() {
+	if (_sticker) {
+		return;
+	}
+	const auto data = _owner->sticker();
+	if (!data) {
+		return;
+	}
+	automaticLoad(_owner->stickerSetOrigin(), nullptr);
+	if (data->animated || !loaded()) {
+		return;
+	}
+	if (_bytes.isEmpty()) {
+		const auto &loc = _owner->location(true);
+		if (loc.accessEnable()) {
+			_sticker = std::make_unique<Image>(loc.name());
+			loc.accessDisable();
+		}
+	} else {
+		_sticker = std::make_unique<Image>(_bytes);
+	}
+}
+
+void DocumentMedia::automaticLoad(
+		Data::FileOrigin origin,
+		const HistoryItem *item) {
+	if (_owner->status != FileReady || loaded() || _owner->cancelled()) {
+		return;
+	} else if (!item && !_owner->sticker() && !_owner->isAnimation()) {
+		return;
+	}
+	const auto toCache = _owner->saveToCache();
+	if (!toCache && Global::AskDownloadPath()) {
+		// We need a filename, but we're supposed to ask user for it.
+		// No automatic download in this case.
+		return;
+	}
+	const auto filename = toCache
+		? QString()
+		: DocumentFileNameForSave(_owner);
+	const auto shouldLoadFromCloud = !Data::IsExecutableName(filename)
+		&& (item
+			? Data::AutoDownload::Should(
+				_owner->session().settings().autoDownload(),
+				item->history()->peer,
+				_owner)
+			: Data::AutoDownload::Should(
+				_owner->session().settings().autoDownload(),
+				_owner));
+	const auto loadFromCloud = shouldLoadFromCloud
+		? LoadFromCloudOrLocal
+		: LoadFromLocalOnly;
+	_owner->save(
+		origin,
+		filename,
+		loadFromCloud,
+		true);
+}
+
+void DocumentMedia::collectLocalData(not_null<DocumentMedia*> local) {
+	if (const auto image = local->_goodThumbnail.get()) {
+		_goodThumbnail = std::make_unique<Image>(image->original());
+	}
+	if (const auto image = local->_inlineThumbnail.get()) {
+		_inlineThumbnail = std::make_unique<Image>(image->original());
+	}
+	if (const auto image = local->_thumbnail.get()) {
+		_thumbnail = std::make_unique<Image>(image->original());
+	}
+	if (const auto image = local->_sticker.get()) {
+		_sticker = std::make_unique<Image>(image->original());
+	}
+	_bytes = local->_bytes;
+	_videoThumbnailBytes = local->_videoThumbnailBytes;
+	_flags = local->_flags;
+}
+
+void DocumentMedia::setBytes(const QByteArray &bytes) {
+	if (!bytes.isEmpty()) {
+		_bytes = bytes;
+	}
+}
+
+QByteArray DocumentMedia::bytes() const {
+	return _bytes;
+}
+
+bool DocumentMedia::loaded(bool check) const {
+	return !_bytes.isEmpty() || !_owner->filepath(check).isEmpty();
+}
+
+float64 DocumentMedia::progress() const {
+	return (_owner->uploading() || _owner->loading())
+		? _owner->progress()
+		: (loaded() ? 1. : 0.);
+}
+
+bool DocumentMedia::canBePlayed() const {
+	return !_owner->inappPlaybackFailed()
+		&& _owner->useStreamingLoader()
+		&& (loaded() || _owner->canBeStreamed());
+}
+
+bool DocumentMedia::thumbnailEnoughForSticker() const {
+	const auto &location = owner()->thumbnailLocation();
+	const auto size = _thumbnail
+		? QSize(_thumbnail->width(), _thumbnail->height())
+		: location.valid()
+		? QSize(location.width(), location.height())
+		: QSize();
+	return (size.width() >= 128) || (size.height() >= 128);
+}
+
+void DocumentMedia::checkStickerSmall() {
+	const auto data = _owner->sticker();
+	if ((data && data->animated) || thumbnailEnoughForSticker()) {
+		_owner->loadThumbnail(_owner->stickerSetOrigin());
+		if (data && data->animated) {
+			automaticLoad(_owner->stickerSetOrigin(), nullptr);
+		}
+	} else {
+		checkStickerLarge();
+	}
+}
+
+Image *DocumentMedia::getStickerLarge() {
+	checkStickerLarge();
+	return _sticker.get();
+}
+
+Image *DocumentMedia::getStickerSmall() {
+	const auto data = _owner->sticker();
+	if ((data && data->animated) || thumbnailEnoughForSticker()) {
+		return thumbnail();
+	}
+	return _sticker.get();
+}
+
+void DocumentMedia::checkStickerLarge(not_null<FileLoader*> loader) {
+	if (_sticker || !_owner->sticker()) {
+		return;
+	}
+	if (auto image = loader->imageData(); !image.isNull()) {
+		_sticker = std::make_unique<Image>(std::move(image));
+	}
+}
+
+void DocumentMedia::GenerateGoodThumbnail(
+		not_null<DocumentData*> document,
+		QByteArray data) {
+	const auto type = document->isWallPaper()
+		? FileType::WallPaper
+		: document->isTheme()
+		? FileType::Theme
+		: document->sticker()
+		? FileType::AnimatedSticker
+		: FileType::Video;
+	auto location = document->location().isEmpty()
+		? nullptr
+		: std::make_unique<FileLocation>(document->location());
+	if (data.isEmpty() && !location) {
+		document->setGoodThumbnailChecked(false);
+		return;
+	}
+	const auto guard = base::make_weak(&document->owner().session());
+	crl::async([=, location = std::move(location)] {
+		const auto filepath = (location && location->accessEnable())
+			? location->name()
+			: QString();
+		auto result = PrepareGoodThumbnail(filepath, data, type);
+		auto bytes = QByteArray();
+		if (!result.isNull()) {
+			auto buffer = QBuffer(&bytes);
+			const auto format = (type == FileType::AnimatedSticker)
+				? "WEBP"
+				: (type == FileType::WallPaper && result.hasAlphaChannel())
+				? "PNG"
+				: "JPG";
+			result.save(&buffer, format, kGoodThumbQuality);
+		}
+		if (!filepath.isEmpty()) {
+			location->accessDisable();
+		}
+		const auto cache = bytes.isEmpty() ? QByteArray("(failed)") : bytes;
+		crl::on_main(guard, [=] {
+			document->setGoodThumbnailChecked(true);
+			if (const auto active = document->activeMediaView()) {
+				active->setGoodThumbnail(result);
+			}
+			document->owner().cache().put(
+				document->goodThumbnailCacheKey(),
+				Storage::Cache::Database::TaggedValue{
+					base::duplicate(cache),
+					kImageCacheTag });
+		});
+	});
+}
+
+void DocumentMedia::CheckGoodThumbnail(not_null<DocumentData*> document) {
+	if (!document->goodThumbnailChecked()) {
+		ReadOrGenerateThumbnail(document);
+	}
+}
+
+void DocumentMedia::ReadOrGenerateThumbnail(
+		not_null<DocumentData*> document) {
+	if (document->goodThumbnailGenerating()
+		|| document->goodThumbnailNoData()
+		|| !MayHaveGoodThumbnail(document)) {
+		return;
+	}
+	document->setGoodThumbnailGenerating();
+
+	const auto guard = base::make_weak(&document->session());
+	const auto active = document->activeMediaView();
+	const auto got = [=](QByteArray value) {
+		if (value.isEmpty()) {
+			const auto bytes = active ? active->bytes() : QByteArray();
+			crl::on_main(guard, [=] {
+				GenerateGoodThumbnail(document, bytes);
+			});
+		} else if (active) {
+			crl::async([=] {
+				const auto image = App::readImage(value, nullptr, false);
+				crl::on_main(guard, [=] {
+					document->setGoodThumbnailChecked(true);
+					if (const auto active = document->activeMediaView()) {
+						active->setGoodThumbnail(image);
+					}
+				});
+			});
+		} else {
+			crl::on_main(guard, [=] {
+				document->setGoodThumbnailChecked(true);
+			});
+		}
+	};
+	document->owner().cache().get(document->goodThumbnailCacheKey(), got);
+}
+
+} // namespace Data

Telegram/SourceFiles/data/data_document_media.h

@@ -0,0 +1,113 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/flags.h"
+
+class Image;
+class FileLoader;
+
+namespace Media {
+namespace Clip {
+enum Notification : int;
+class ReaderPointer;
+} // namespace Clip
+} // namespace Media
+
+namespace Data {
+
+class DocumentMedia;
+
+class VideoPreviewState final {
+public:
+	explicit VideoPreviewState(DocumentMedia *media);
+
+	void automaticLoad(Data::FileOrigin origin) const;
+	[[nodiscard]] ::Media::Clip::ReaderPointer makeAnimation(
+		Fn<void(::Media::Clip::Notification)> callback) const;
+	[[nodiscard]] bool usingThumbnail() const;
+	[[nodiscard]] bool loading() const;
+	[[nodiscard]] bool loaded() const;
+
+private:
+	DocumentMedia *_media = nullptr;
+	bool _usingThumbnail = false;
+
+};
+
+class DocumentMedia final {
+public:
+	explicit DocumentMedia(not_null<DocumentData*> owner);
+	~DocumentMedia();
+
+	[[nodiscard]] not_null<DocumentData*> owner() const;
+
+	void goodThumbnailWanted();
+	[[nodiscard]] Image *goodThumbnail() const;
+	void setGoodThumbnail(QImage thumbnail);
+
+	[[nodiscard]] Image *thumbnailInline() const;
+
+	[[nodiscard]] Image *thumbnail() const;
+	[[nodiscard]] QSize thumbnailSize() const;
+	void thumbnailWanted(Data::FileOrigin origin);
+	void setThumbnail(QImage thumbnail);
+
+	[[nodiscard]] QByteArray videoThumbnailContent() const;
+	[[nodiscard]] QSize videoThumbnailSize() const;
+	void videoThumbnailWanted(Data::FileOrigin origin);
+	void setVideoThumbnail(QByteArray content);
+
+	void checkStickerLarge();
+	void checkStickerSmall();
+	[[nodiscard]] Image *getStickerSmall();
+	[[nodiscard]] Image *getStickerLarge();
+	void checkStickerLarge(not_null<FileLoader*> loader);
+
+	void setBytes(const QByteArray &bytes);
+	[[nodiscard]] QByteArray bytes() const;
+	[[nodiscard]] bool loaded(bool check = false) const;
+	[[nodiscard]] float64 progress() const;
+	[[nodiscard]] bool canBePlayed() const;
+
+	void automaticLoad(Data::FileOrigin origin, const HistoryItem *item);
+
+	void collectLocalData(not_null<DocumentMedia*> local);
+
+	// For DocumentData.
+	static void CheckGoodThumbnail(not_null<DocumentData*> document);
+
+private:
+	enum class Flag : uchar {
+		GoodThumbnailWanted = 0x01,
+	};
+	inline constexpr bool is_flag_type(Flag) { return true; };
+	using Flags = base::flags<Flag>;
+
+	static void ReadOrGenerateThumbnail(not_null<DocumentData*> document);
+	static void GenerateGoodThumbnail(
+		not_null<DocumentData*> document,
+		QByteArray data);
+
+	[[nodiscard]] bool thumbnailEnoughForSticker() const;
+
+	// NB! Right now DocumentMedia can outlive Main::Session!
+	// In DocumentData::collectLocalData a shared_ptr is sent on_main.
+	// In case this is a problem the ~Gif code should be rewritten.
+	const not_null<DocumentData*> _owner;
+	std::unique_ptr<Image> _goodThumbnail;
+	mutable std::unique_ptr<Image> _inlineThumbnail;
+	std::unique_ptr<Image> _thumbnail;
+	std::unique_ptr<Image> _sticker;
+	QByteArray _bytes;
+	QByteArray _videoThumbnailBytes;
+	Flags _flags;
+
+};
+
+} // namespace Data

Telegram/SourceFiles/data/data_folder.cpp

@@ -248,6 +248,7 @@ void Folder::loadUserpic() {
 
 void Folder::paintUserpic(
 		Painter &p,
+		std::shared_ptr<Data::CloudImageView> &view,
 		int x,
 		int y,
 		int size) const {

Telegram/SourceFiles/data/data_folder.h

@@ -64,6 +64,7 @@ public:
 	void loadUserpic() override;
 	void paintUserpic(
 		Painter &p,
+		std::shared_ptr<Data::CloudImageView> &view,
 		int x,
 		int y,
 		int size) const override;

Telegram/SourceFiles/data/data_location.cpp

@@ -13,7 +13,53 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 namespace Data {
 namespace {
 
-GeoPointLocation ComputeLocation(const Data::LocationPoint &point) {
+[[nodiscard]] QString AsString(float64 value) {
+	constexpr auto kPrecision = 6;
+	return QString::number(value, 'f', kPrecision);
+}
+
+} // namespace
+
+LocationPoint::LocationPoint(const MTPDgeoPoint &point)
+: _lat(point.vlat().v)
+, _lon(point.vlong().v)
+, _access(point.vaccess_hash().v) {
+}
+
+QString LocationPoint::latAsString() const {
+	return AsString(_lat);
+}
+
+QString LocationPoint::lonAsString() const {
+	return AsString(_lon);
+}
+
+MTPGeoPoint LocationPoint::toMTP() const {
+	return MTP_geoPoint(
+		MTP_double(_lon),
+		MTP_double(_lat),
+		MTP_long(_access));
+}
+
+float64 LocationPoint::lat() const {
+	return _lat;
+}
+
+float64 LocationPoint::lon() const {
+	return _lon;
+}
+
+uint64 LocationPoint::accessHash() const {
+	return _access;
+}
+
+size_t LocationPoint::hash() const {
+	return QtPrivate::QHashCombine().operator()(
+		std::hash<float64>()(_lat),
+		_lon);
+}
+
+GeoPointLocation ComputeLocation(const LocationPoint &point) {
 	const auto scale = 1 + (cScale() * cIntRetinaFactor()) / 200;
 	const auto zoom = 13 + (scale - 1);
 	const auto w = st::locationSize.width() / scale;
@@ -30,15 +76,4 @@ GeoPointLocation ComputeLocation(const Data::LocationPoint &point) {
 	return result;
 }
 
-} // namespace
-
-LocationThumbnail::LocationThumbnail(const LocationPoint &point)
-: point(point)
-, thumb(Images::Create(ComputeLocation(point))) {
-}
-
-void LocationThumbnail::load(FileOrigin origin) {
-	thumb->load(origin);
-}
-
 } // namespace Data

Telegram/SourceFiles/data/data_location.h

@@ -14,58 +14,28 @@ struct FileOrigin;
 class LocationPoint {
 public:
 	LocationPoint() = default;
-	explicit LocationPoint(const MTPDgeoPoint &point)
-	: _lat(point.vlat().v)
-	, _lon(point.vlong().v)
-	, _access(point.vaccess_hash().v) {
-	}
+	explicit LocationPoint(const MTPDgeoPoint &point);
 
-	QString latAsString() const {
-		return AsString(_lat);
-	}
-	QString lonAsString() const {
-		return AsString(_lon);
-	}
-	MTPGeoPoint toMTP() const {
-		return MTP_geoPoint(
-			MTP_double(_lon),
-			MTP_double(_lat),
-			MTP_long(_access));
-	}
+	[[nodiscard]] QString latAsString() const;
+	[[nodiscard]] QString lonAsString() const;
+	[[nodiscard]] MTPGeoPoint toMTP() const;
 
-	float64 lat() const {
-		return _lat;
-	}
-	float64 lon() const {
-		return _lon;
-	}
-	uint64 accessHash() const {
-		return _access;
-	}
+	[[nodiscard]] float64 lat() const;
+	[[nodiscard]] float64 lon() const;
+	[[nodiscard]] uint64 accessHash() const;
 
-	inline size_t hash() const {
-#ifndef OS_MAC_OLD
-		return QtPrivate::QHashCombine().operator()(
-				std::hash<float64>()(_lat),
-				_lon);
-#else // OS_MAC_OLD
-		const auto h1 = std::hash<float64>()(_lat);
-		const auto h2 = std::hash<float64>()(_lon);
-		return ((h1 << 16) | (h1 >> 16)) ^ h2;
-#endif // OS_MAC_OLD
-	}
+	[[nodiscard]] size_t hash() const;
 
 private:
-	static QString AsString(float64 value) {
-		constexpr auto kPrecision = 6;
-		return QString::number(value, 'f', kPrecision);
-	}
-
-	friend inline bool operator==(const LocationPoint &a, const LocationPoint &b) {
+	friend inline bool operator==(
+			const LocationPoint &a,
+			const LocationPoint &b) {
 		return (a._lat == b._lat) && (a._lon == b._lon);
 	}
 
-	friend inline bool operator<(const LocationPoint &a, const LocationPoint &b) {
+	friend inline bool operator<(
+			const LocationPoint &a,
+			const LocationPoint &b) {
 		return (a._lat < b._lat) || ((a._lat == b._lat) && (a._lon < b._lon));
 	}
 
@@ -75,15 +45,7 @@ private:
 
 };
 
-struct LocationThumbnail {
-	LocationThumbnail(const LocationPoint &point);
-
-	LocationPoint point;
-	ImagePtr thumb;
-
-	void load(FileOrigin origin);
-
-};
+[[nodiscard]] GeoPointLocation ComputeLocation(const LocationPoint &point);
 
 } // namespace Data
 

Telegram/SourceFiles/data/data_media_types.cpp

@@ -25,7 +25,6 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/view/media/history_view_theme_document.h"
 #include "history/view/media/history_view_dice.h"
 #include "ui/image/image.h"
-#include "ui/image/image_source.h"
 #include "ui/text_options.h"
 #include "ui/emoji_config.h"
 #include "storage/storage_shared_media.h"
@@ -81,7 +80,9 @@ constexpr auto kFastRevokeRestriction = 24 * 60 * TimeId(60);
 	result.title = TextUtilities::SingleLine(qs(data.vtitle()));
 	result.receiptMsgId = data.vreceipt_msg_id().value_or_empty();
 	if (const auto photo = data.vphoto()) {
-		result.photo = item->history()->owner().photoFromWeb(*photo);
+		result.photo = item->history()->owner().photoFromWeb(
+			*photo,
+			ImageLocation());
 	}
 	return result;
 }
@@ -171,7 +172,7 @@ const Invoice *Media::invoice() const {
 	return nullptr;
 }
 
-LocationThumbnail *Media::location() const {
+Data::CloudImage *Media::location() const {
 	return nullptr;
 }
 
@@ -380,99 +381,6 @@ bool MediaPhoto::updateSentMedia(const MTPMessageMedia &media) {
 		return false;
 	}
 	parent()->history()->owner().photoConvert(_photo, *content);
-
-	if (content->type() != mtpc_photo) {
-		return false;
-	}
-	const auto &photo = content->c_photo();
-
-	struct SizeData {
-		MTPstring type = MTP_string();
-		int width = 0;
-		int height = 0;
-		QByteArray bytes;
-	};
-	const auto saveImageToCache = [&](
-			not_null<Image*> image,
-			SizeData size) {
-		Expects(!size.type.v.isEmpty());
-
-		const auto key = StorageImageLocation(
-			StorageFileLocation(
-				photo.vdc_id().v,
-				_photo->session().userId(),
-				MTP_inputPhotoFileLocation(
-					photo.vid(),
-					photo.vaccess_hash(),
-					photo.vfile_reference(),
-					size.type)),
-			size.width,
-			size.height);
-		if (!key.valid() || image->isNull() || !image->loaded()) {
-			return;
-		}
-		if (size.bytes.isEmpty()) {
-			size.bytes = image->bytesForCache();
-		}
-		const auto length = size.bytes.size();
-		if (!length || length > Storage::kMaxFileInMemory) {
-			LOG(("App Error: Bad photo data for saving to cache."));
-			return;
-		}
-		parent()->history()->owner().cache().putIfEmpty(
-			key.file().cacheKey(),
-			Storage::Cache::Database::TaggedValue(
-				std::move(size.bytes),
-				Data::kImageCacheTag));
-		image->replaceSource(
-			std::make_unique<Images::StorageSource>(key, length));
-	};
-	auto &sizes = photo.vsizes().v;
-	auto max = 0;
-	auto maxSize = SizeData();
-	for (const auto &data : sizes) {
-		const auto size = data.match([](const MTPDphotoSize &data) {
-			return SizeData{
-				data.vtype(),
-				data.vw().v,
-				data.vh().v,
-				QByteArray()
-			};
-		}, [](const MTPDphotoCachedSize &data) {
-			return SizeData{
-				data.vtype(),
-				data.vw().v,
-				data.vh().v,
-				qba(data.vbytes())
-			};
-		}, [](const MTPDphotoSizeEmpty &) {
-			return SizeData();
-		}, [](const MTPDphotoStrippedSize &data) {
-			// No need to save stripped images to local cache.
-			return SizeData();
-		});
-		const auto letter = size.type.v.isEmpty() ? char(0) : size.type.v[0];
-		if (!letter) {
-			continue;
-		}
-		if (letter == 's') {
-			saveImageToCache(_photo->thumbnailSmall(), size);
-		} else if (letter == 'm') {
-			saveImageToCache(_photo->thumbnail(), size);
-		} else if (letter == 'x' && max < 1) {
-			max = 1;
-			maxSize = size;
-		} else if (letter == 'y' && max < 2) {
-			max = 2;
-			maxSize = size;
-		//} else if (letter == 'w' && max < 3) {
-		//	max = 3;
-		//	maxSize = size;
-		}
-	}
-	if (!maxSize.type.v.isEmpty()) {
-		saveImageToCache(_photo->large(), maxSize);
-	}
 	return true;
 }
 
@@ -750,23 +658,6 @@ bool MediaFile::updateSentMedia(const MTPMessageMedia &media) {
 		return false;
 	}
 	parent()->history()->owner().documentConvert(_document, *content);
-
-	if (const auto good = _document->goodThumbnail()) {
-		auto bytes = good->bytesForCache();
-		if (const auto length = bytes.size()) {
-			if (length > Storage::kMaxFileInMemory) {
-				LOG(("App Error: Bad thumbnail data for saving to cache."));
-			} else {
-				parent()->history()->owner().cache().putIfEmpty(
-					_document->goodThumbnailCacheKey(),
-					Storage::Cache::Database::TaggedValue(
-						std::move(bytes),
-						Data::kImageCacheTag));
-				_document->refreshGoodThumbnail();
-			}
-		}
-	}
-
 	return true;
 }
 
@@ -890,6 +781,7 @@ MediaLocation::MediaLocation(
 	const QString &title,
 	const QString &description)
 : Media(parent)
+, _point(point)
 , _location(parent->history()->owner().location(point))
 , _title(title)
 , _description(description) {
@@ -898,12 +790,12 @@ MediaLocation::MediaLocation(
 std::unique_ptr<Media> MediaLocation::clone(not_null<HistoryItem*> parent) {
 	return std::make_unique<MediaLocation>(
 		parent,
-		_location->point,
+		_point,
 		_title,
 		_description);
 }
 
-LocationThumbnail *MediaLocation::location() const {
+Data::CloudImage *MediaLocation::location() const {
 	return _location;
 }
 
@@ -934,7 +826,7 @@ TextForMimeData MediaLocation::clipboardText() const {
 	if (!descriptionResult.text.isEmpty()) {
 		result.append(std::move(descriptionResult));
 	}
-	result.append(LocationClickHandler(_location->point).dragText());
+	result.append(LocationClickHandler(_point).dragText());
 	return result;
 }
 
@@ -952,6 +844,7 @@ std::unique_ptr<HistoryView::Media> MediaLocation::createView(
 	return std::make_unique<HistoryView::Location>(
 		message,
 		_location,
+		_point,
 		_title,
 		_description);
 }

Telegram/SourceFiles/data/data_media_types.h

@@ -7,6 +7,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
+#include "data/data_location.h"
+
+class Image;
 class HistoryItem;
 
 namespace base {
@@ -27,8 +30,7 @@ class Media;
 
 namespace Data {
 
-class LocationPoint;
-struct LocationThumbnail;
+class CloudImage;
 
 enum class CallFinishReason : char {
 	Missed,
@@ -77,7 +79,7 @@ public:
 	virtual const Call *call() const;
 	virtual GameData *game() const;
 	virtual const Invoice *invoice() const;
-	virtual LocationThumbnail *location() const;
+	virtual Data::CloudImage *location() const;
 	virtual PollData *poll() const;
 
 	virtual bool uploading() const;
@@ -236,7 +238,7 @@ public:
 
 	std::unique_ptr<Media> clone(not_null<HistoryItem*> parent) override;
 
-	LocationThumbnail *location() const override;
+	Data::CloudImage *location() const override;
 	QString chatListText() const override;
 	QString notificationText() const override;
 	QString pinnedTextSubstring() const override;
@@ -249,7 +251,8 @@ public:
 		not_null<HistoryItem*> realParent) override;
 
 private:
-	not_null<LocationThumbnail*> _location;
+	LocationPoint _point;
+	not_null<Data::CloudImage*> _location;
 	QString _title;
 	QString _description;
 

Telegram/SourceFiles/data/data_peer.cpp

@@ -33,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/history.h"
 #include "history/view/history_view_element.h"
 #include "history/history_item.h"
+#include "storage/file_download.h"
 #include "facades.h"
 #include "app.h"
 
@@ -108,8 +109,7 @@ void PeerClickHandler::onClick(ClickContext context) const {
 
 PeerData::PeerData(not_null<Data::Session*> owner, PeerId id)
 : id(id)
-, _owner(owner)
-, _userpicEmpty(createEmptyUserpic()) {
+, _owner(owner) {
 	_nameText.setText(st::msgNameStyle, QString(), Ui::NameTextOptions());
 }
 
@@ -145,7 +145,8 @@ void PeerData::updateNameDelayed(
 	}
 	name = newName;
 	_nameText.setText(st::msgNameStyle, name, Ui::NameTextOptions());
-	refreshEmptyUserpic();
+	_userpicEmpty = nullptr;
+
 	Notify::PeerUpdate update(this);
 	if (nameVersion++ > 1) {
 		update.flags |= UpdateFlag::NameChanged;
@@ -175,28 +176,22 @@ void PeerData::updateNameDelayed(
 	}
 }
 
-std::unique_ptr<Ui::EmptyUserpic> PeerData::createEmptyUserpic() const {
-	return std::make_unique<Ui::EmptyUserpic>(
-		Data::PeerUserpicColor(id),
-		name);
-}
-
-void PeerData::refreshEmptyUserpic() const {
-	_userpicEmpty = useEmptyUserpic() ? createEmptyUserpic() : nullptr;
+not_null<Ui::EmptyUserpic*> PeerData::ensureEmptyUserpic() const {
+	if (!_userpicEmpty) {
+		_userpicEmpty = std::make_unique<Ui::EmptyUserpic>(
+			Data::PeerUserpicColor(id),
+			name);
+	}
+	return _userpicEmpty.get();
 }
 
 ClickHandlerPtr PeerData::createOpenLink() {
 	return std::make_shared<PeerClickHandler>(this);
 }
 
-void PeerData::setUserpic(
-		PhotoId photoId,
-		const StorageImageLocation &location,
-		ImagePtr userpic) {
+void PeerData::setUserpic(PhotoId photoId, const ImageLocation &location) {
 	_userpicPhotoId = photoId;
-	_userpic = userpic;
-	_userpicLocation = location;
-	refreshEmptyUserpic();
+	_userpic.set(&session(), ImageWithLocation{ .location = location });
 }
 
 void PeerData::setUserpicPhoto(const MTPPhoto &data) {
@@ -213,102 +208,139 @@ void PeerData::setUserpicPhoto(const MTPPhoto &data) {
 	}
 }
 
-ImagePtr PeerData::currentUserpic() const {
-	if (_userpic) {
-		_userpic->load(userpicOrigin());
-		if (_userpic->loaded()) {
-			if (!useEmptyUserpic()) {
-				_userpicEmpty = nullptr;
-			}
-			return _userpic;
-		}
+Image *PeerData::currentUserpic(
+		std::shared_ptr<Data::CloudImageView> &view) const {
+	if (!_userpic.isCurrentView(view)) {
+		view = _userpic.createView();
+		_userpic.load(&session(), userpicOrigin());
 	}
-	if (!_userpicEmpty) {
-		refreshEmptyUserpic();
+	const auto image = view ? view->image() : nullptr;
+	if (image) {
+		_userpicEmpty = nullptr;
+	} else if (isNotificationsUser()) {
+		static auto result = Image(
+			Core::App().logoNoMargin().scaledToWidth(
+				kUserpicSize,
+				Qt::SmoothTransformation));
+		return &result;
 	}
-	return ImagePtr();
+	return image;
 }
 
-void PeerData::paintUserpic(Painter &p, int x, int y, int size) const {
-	if (auto userpic = currentUserpic()) {
-		p.drawPixmap(x, y, userpic->pixCircled(userpicOrigin(), size, size));
+void PeerData::paintUserpic(
+		Painter &p,
+		std::shared_ptr<Data::CloudImageView> &view,
+		int x,
+		int y,
+		int size) const {
+	if (const auto userpic = currentUserpic(view)) {
+		p.drawPixmap(x, y, userpic->pixCircled(size, size));
 	} else {
-		_userpicEmpty->paint(p, x, y, x + size + x, size);
+		ensureEmptyUserpic()->paint(p, x, y, x + size + x, size);
 	}
 }
 
-void PeerData::paintUserpicRounded(Painter &p, int x, int y, int size) const {
-	if (auto userpic = currentUserpic()) {
-		p.drawPixmap(x, y, userpic->pixRounded(userpicOrigin(), size, size, ImageRoundRadius::Small));
+void PeerData::paintUserpicRounded(
+		Painter &p,
+		std::shared_ptr<Data::CloudImageView> &view,
+		int x,
+		int y,
+		int size) const {
+	if (const auto userpic = currentUserpic(view)) {
+		p.drawPixmap(x, y, userpic->pixRounded(size, size, ImageRoundRadius::Small));
 	} else {
-		_userpicEmpty->paintRounded(p, x, y, x + size + x, size);
+		ensureEmptyUserpic()->paintRounded(p, x, y, x + size + x, size);
 	}
 }
 
-void PeerData::paintUserpicSquare(Painter &p, int x, int y, int size) const {
-	if (auto userpic = currentUserpic()) {
-		p.drawPixmap(x, y, userpic->pix(userpicOrigin(), size, size));
+void PeerData::paintUserpicSquare(
+		Painter &p,
+		std::shared_ptr<Data::CloudImageView> &view,
+		int x,
+		int y,
+		int size) const {
+	if (const auto userpic = currentUserpic(view)) {
+		p.drawPixmap(x, y, userpic->pix(size, size));
 	} else {
-		_userpicEmpty->paintSquare(p, x, y, x + size + x, size);
+		ensureEmptyUserpic()->paintSquare(p, x, y, x + size + x, size);
 	}
 }
 
 void PeerData::loadUserpic() {
-	_userpic->load(userpicOrigin());
+	_userpic.load(&session(), userpicOrigin());
 }
 
-bool PeerData::userpicLoaded() const {
-	return _userpic->loaded();
+bool PeerData::hasUserpic() const {
+	return !_userpic.empty();
 }
 
-bool PeerData::useEmptyUserpic() const {
-	return !_userpicLocation.valid()
-		|| !_userpic
-		|| !_userpic->loaded();
+std::shared_ptr<Data::CloudImageView> PeerData::activeUserpicView() {
+	return _userpic.empty() ? nullptr : _userpic.activeView();
 }
 
-InMemoryKey PeerData::userpicUniqueKey() const {
-	if (useEmptyUserpic()) {
-		if (!_userpicEmpty) {
-			refreshEmptyUserpic();
-		}
-		return _userpicEmpty->uniqueKey();
+std::shared_ptr<Data::CloudImageView> PeerData::createUserpicView() {
+	if (_userpic.empty()) {
+		return nullptr;
 	}
-	return inMemoryKey(_userpicLocation);
+	auto result = _userpic.createView();
+	_userpic.load(&session(), userpicPhotoOrigin());
+	return result;
 }
 
-void PeerData::saveUserpic(const QString &path, int size) const {
-	genUserpic(size).save(path, "PNG");
+bool PeerData::useEmptyUserpic(
+		std::shared_ptr<Data::CloudImageView> &view) const {
+	return !currentUserpic(view);
 }
 
-void PeerData::saveUserpicRounded(const QString &path, int size) const {
-	genUserpicRounded(size).save(path, "PNG");
+InMemoryKey PeerData::userpicUniqueKey(
+		std::shared_ptr<Data::CloudImageView> &view) const {
+	return useEmptyUserpic(view)
+		? ensureEmptyUserpic()->uniqueKey()
+		: inMemoryKey(_userpic.location());
 }
 
-QPixmap PeerData::genUserpic(int size) const {
-	if (auto userpic = currentUserpic()) {
-		return userpic->pixCircled(userpicOrigin(), size, size);
+void PeerData::saveUserpic(
+		std::shared_ptr<Data::CloudImageView> &view,
+		const QString &path,
+		int size) const {
+	genUserpic(view, size).save(path, "PNG");
+}
+
+void PeerData::saveUserpicRounded(
+		std::shared_ptr<Data::CloudImageView> &view,
+		const QString &path,
+		int size) const {
+	genUserpicRounded(view, size).save(path, "PNG");
+}
+
+QPixmap PeerData::genUserpic(
+		std::shared_ptr<Data::CloudImageView> &view,
+		int size) const {
+	if (const auto userpic = currentUserpic(view)) {
+		return userpic->pixCircled(size, size);
 	}
 	auto result = QImage(QSize(size, size) * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
 	result.setDevicePixelRatio(cRetinaFactor());
 	result.fill(Qt::transparent);
 	{
 		Painter p(&result);
-		paintUserpic(p, 0, 0, size);
+		paintUserpic(p, view, 0, 0, size);
 	}
 	return App::pixmapFromImageInPlace(std::move(result));
 }
 
-QPixmap PeerData::genUserpicRounded(int size) const {
-	if (auto userpic = currentUserpic()) {
-		return userpic->pixRounded(userpicOrigin(), size, size, ImageRoundRadius::Small);
+QPixmap PeerData::genUserpicRounded(
+		std::shared_ptr<Data::CloudImageView> &view,
+		int size) const {
+	if (const auto userpic = currentUserpic(view)) {
+		return userpic->pixRounded(size, size, ImageRoundRadius::Small);
 	}
 	auto result = QImage(QSize(size, size) * cIntRetinaFactor(), QImage::Format_ARGB32_Premultiplied);
 	result.setDevicePixelRatio(cRetinaFactor());
 	result.fill(Qt::transparent);
 	{
 		Painter p(&result);
-		paintUserpicRounded(p, 0, 0, size);
+		paintUserpicRounded(p, view, 0, 0, size);
 	}
 	return App::pixmapFromImageInPlace(std::move(result));
 }
@@ -327,49 +359,31 @@ void PeerData::updateUserpic(
 		PhotoId photoId,
 		MTP::DcId dcId,
 		const MTPFileLocation &location) {
-	const auto size = kUserpicSize;
-	const auto loc = location.match([&](
+	setUserpicChecked(photoId, location.match([&](
 			const MTPDfileLocationToBeDeprecated &deprecated) {
-		return StorageImageLocation(
-			StorageFileLocation(
+		return ImageLocation(
+			{ StorageFileLocation(
 				dcId,
 				isSelf() ? peerToUser(id) : 0,
 				MTP_inputPeerPhotoFileLocation(
 					MTP_flags(0),
 					input,
 					deprecated.vvolume_id(),
-					deprecated.vlocal_id())),
-			size,
-			size);
-	});
-	setUserpicChecked(photoId, loc, Images::Create(loc));
+					deprecated.vlocal_id())) },
+			kUserpicSize,
+			kUserpicSize);
+	}));
 }
 
 void PeerData::clearUserpic() {
-	const auto photoId = PhotoId(0);
-	const auto loc = StorageImageLocation();
-	const auto photo = [&] {
-		if (isNotificationsUser()) {
-			auto image = Core::App().logoNoMargin().scaledToWidth(
-				kUserpicSize,
-				Qt::SmoothTransformation);
-			return _userpic
-				? _userpic
-				: Images::Create(std::move(image), "PNG");
-		}
-		return ImagePtr();
-	}();
-	setUserpicChecked(photoId, loc, photo);
+	setUserpicChecked(PhotoId(), ImageLocation());
 }
 
 void PeerData::setUserpicChecked(
 		PhotoId photoId,
-		const StorageImageLocation &location,
-		ImagePtr userpic) {
-	if (_userpicPhotoId != photoId
-		|| _userpic.get() != userpic.get()
-		|| _userpicLocation != location) {
-		setUserpic(photoId, location, userpic);
+		const ImageLocation &location) {
+	if (_userpicPhotoId != photoId || _userpic.location() != location) {
+		setUserpic(photoId, location);
 		Notify::peerUpdatedDelayed(this, UpdateFlag::PhotoChanged);
 		//if (const auto channel = asChannel()) { // #feed
 		//	if (const auto feed = channel->feed()) {
@@ -454,6 +468,9 @@ bool PeerData::canExportChatHistory() const {
 			}
 		}
 	}
+	if (const auto from = migrateFrom()) {
+		return from->canExportChatHistory();
+	}
 	return false;
 }
 

Telegram/SourceFiles/data/data_peer.h

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_types.h"
 #include "data/data_flags.h"
 #include "data/data_notify_settings.h"
+#include "data/data_cloud_file.h"
 
 class PeerData;
 class UserData;
@@ -43,6 +44,8 @@ using ChatRestrictions = MTPDchatBannedRights::Flags;
 
 namespace Data {
 
+class CloudImageView;
+
 class RestrictionCheckResult {
 public:
 	[[nodiscard]] static RestrictionCheckResult Allowed() {
@@ -234,44 +237,59 @@ public:
 		return _nameFirstLetters;
 	}
 
-	void setUserpic(
-		PhotoId photoId,
-		const StorageImageLocation &location,
-		ImagePtr userpic);
+	void setUserpic(PhotoId photoId, const ImageLocation &location);
 	void setUserpicPhoto(const MTPPhoto &data);
 	void paintUserpic(
 		Painter &p,
+		std::shared_ptr<Data::CloudImageView> &view,
 		int x,
 		int y,
 		int size) const;
 	void paintUserpicLeft(
 			Painter &p,
+			std::shared_ptr<Data::CloudImageView> &view,
 			int x,
 			int y,
 			int w,
 			int size) const {
-		paintUserpic(p, rtl() ? (w - x - size) : x, y, size);
+		paintUserpic(p, view, rtl() ? (w - x - size) : x, y, size);
 	}
 	void paintUserpicRounded(
 		Painter &p,
+		std::shared_ptr<Data::CloudImageView> &view,
 		int x,
 		int y,
 		int size) const;
 	void paintUserpicSquare(
 		Painter &p,
+		std::shared_ptr<Data::CloudImageView> &view,
 		int x,
 		int y,
 		int size) const;
 	void loadUserpic();
-	[[nodiscard]] bool userpicLoaded() const;
-	[[nodiscard]] bool useEmptyUserpic() const;
-	[[nodiscard]] InMemoryKey userpicUniqueKey() const;
-	void saveUserpic(const QString &path, int size) const;
-	void saveUserpicRounded(const QString &path, int size) const;
-	[[nodiscard]] QPixmap genUserpic(int size) const;
-	[[nodiscard]] QPixmap genUserpicRounded(int size) const;
-	[[nodiscard]] StorageImageLocation userpicLocation() const {
-		return _userpicLocation;
+	[[nodiscard]] bool hasUserpic() const;
+	[[nodiscard]] std::shared_ptr<Data::CloudImageView> activeUserpicView();
+	[[nodiscard]] std::shared_ptr<Data::CloudImageView> createUserpicView();
+	[[nodiscard]] bool useEmptyUserpic(
+		std::shared_ptr<Data::CloudImageView> &view) const;
+	[[nodiscard]] InMemoryKey userpicUniqueKey(
+		std::shared_ptr<Data::CloudImageView> &view) const;
+	void saveUserpic(
+		std::shared_ptr<Data::CloudImageView> &view,
+		const QString &path,
+		int size) const;
+	void saveUserpicRounded(
+		std::shared_ptr<Data::CloudImageView> &view,
+		const QString &path,
+		int size) const;
+	[[nodiscard]] QPixmap genUserpic(
+		std::shared_ptr<Data::CloudImageView> &view,
+		int size) const;
+	[[nodiscard]] QPixmap genUserpicRounded(
+		std::shared_ptr<Data::CloudImageView> &view,
+		int size) const;
+	[[nodiscard]] ImageLocation userpicLocation() const {
+		return _userpic.location();
 	}
 	[[nodiscard]] bool userpicPhotoUnknown() const {
 		return (_userpicPhotoId == kUnknownPhotoId);
@@ -294,7 +312,8 @@ public:
 		return _openLink;
 	}
 
-	[[nodiscard]] ImagePtr currentUserpic() const;
+	[[nodiscard]] Image *currentUserpic(
+		std::shared_ptr<Data::CloudImageView> &view) const;
 
 	[[nodiscard]] bool canPinMessages() const;
 	[[nodiscard]] bool canEditMessagesIndefinitely() const;
@@ -356,24 +375,19 @@ protected:
 
 private:
 	void fillNames();
-	std::unique_ptr<Ui::EmptyUserpic> createEmptyUserpic() const;
-	void refreshEmptyUserpic() const;
+	[[nodiscard]] not_null<Ui::EmptyUserpic*> ensureEmptyUserpic() const;
 	[[nodiscard]] virtual auto unavailableReasons() const
 		-> const std::vector<Data::UnavailableReason> &;
 
-	void setUserpicChecked(
-		PhotoId photoId,
-		const StorageImageLocation &location,
-		ImagePtr userpic);
+	void setUserpicChecked(PhotoId photoId, const ImageLocation &location);
 
 	static constexpr auto kUnknownPhotoId = PhotoId(0xFFFFFFFFFFFFFFFFULL);
 
 	const not_null<Data::Session*> _owner;
 
-	ImagePtr _userpic;
+	mutable Data::CloudImage _userpic;
 	PhotoId _userpicPhotoId = kUnknownPhotoId;
 	mutable std::unique_ptr<Ui::EmptyUserpic> _userpicEmpty;
-	StorageImageLocation _userpicLocation;
 	Ui::Text::String _nameText;
 
 	Data::NotifySettings _notify;

Telegram/SourceFiles/data/data_photo.cpp

@@ -9,19 +9,38 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 #include "data/data_session.h"
 #include "data/data_file_origin.h"
+#include "data/data_reply_preview.h"
+#include "data/data_photo_media.h"
 #include "ui/image/image.h"
-#include "ui/image/image_source.h"
 #include "main/main_session.h"
 #include "mainwidget.h"
+#include "storage/file_download.h"
 #include "core/application.h"
 #include "facades.h"
 #include "app.h"
 
+namespace {
+
+constexpr auto kPhotoSideLimit = 1280;
+
+using Data::PhotoMedia;
+using Data::PhotoSize;
+using Data::PhotoSizeIndex;
+using Data::kPhotoSizeCount;
+
+} // namespace
+
 PhotoData::PhotoData(not_null<Data::Session*> owner, PhotoId id)
 : id(id)
 , _owner(owner) {
 }
 
+PhotoData::~PhotoData() {
+	for (auto &image : _images) {
+		base::take(image.loader).reset();
+	}
+}
+
 Data::Session &PhotoData::owner() const {
 	return *_owner;
 }
@@ -30,55 +49,104 @@ Main::Session &PhotoData::session() const {
 	return _owner->session();
 }
 
-void PhotoData::automaticLoad(
-		Data::FileOrigin origin,
-		const HistoryItem *item) {
-	_large->automaticLoad(origin, item);
-}
-
 void PhotoData::automaticLoadSettingsChanged() {
-	_large->automaticLoadSettingsChanged();
-}
-
-void PhotoData::download(Data::FileOrigin origin) {
-	_large->loadEvenCancelled(origin);
-	_owner->notifyPhotoLayoutChanged(this);
-}
-
-bool PhotoData::loaded() const {
-	bool wasLoading = loading();
-	if (_large->loaded()) {
-		if (wasLoading) {
-			_owner->notifyPhotoLayoutChanged(this);
-		}
-		return true;
+	const auto index = PhotoSizeIndex(PhotoSize::Large);
+	if (!(_images[index].flags & Data::CloudFile::Flag::Cancelled)) {
+		return;
 	}
-	return false;
+	_images[index].loader = nullptr;
+	_images[index].flags &= ~Data::CloudFile::Flag::Cancelled;
+}
+
+void PhotoData::load(
+		Data::FileOrigin origin,
+		LoadFromCloudSetting fromCloud,
+		bool autoLoading) {
+	load(PhotoSize::Large, origin, fromCloud, autoLoading);
 }
 
 bool PhotoData::loading() const {
-	return _large->loading();
+	return loading(PhotoSize::Large);
+}
+
+int PhotoData::validSizeIndex(PhotoSize size) const {
+	const auto index = PhotoSizeIndex(size);
+	for (auto i = index; i != kPhotoSizeCount; ++i) {
+		if (_images[i].location.valid()) {
+			return i;
+		}
+	}
+	return PhotoSizeIndex(PhotoSize::Large);
+}
+
+bool PhotoData::hasExact(PhotoSize size) const {
+	return _images[PhotoSizeIndex(size)].location.valid();
+}
+
+bool PhotoData::loading(PhotoSize size) const {
+	return (_images[validSizeIndex(size)].loader != nullptr);
+}
+
+bool PhotoData::failed(PhotoSize size) const {
+	const auto flags = _images[validSizeIndex(size)].flags;
+	return (flags & Data::CloudFile::Flag::Failed);
+}
+
+const ImageLocation &PhotoData::location(PhotoSize size) const {
+	return _images[validSizeIndex(size)].location;
+}
+
+int PhotoData::SideLimit() {
+	return kPhotoSideLimit;
+}
+
+std::optional<QSize> PhotoData::size(PhotoSize size) const {
+	const auto &provided = location(size);
+	const auto result = QSize{ provided.width(), provided.height() };
+	const auto limit = SideLimit();
+	if (result.isEmpty()) {
+		return std::nullopt;
+	} else if (result.width() <= limit && result.height() <= limit) {
+		return result;
+	}
+	const auto scaled = result.scaled(limit, limit, Qt::KeepAspectRatio);
+	return QSize(std::max(scaled.width(), 1), std::max(scaled.height(), 1));
+}
+
+int PhotoData::imageByteSize(PhotoSize size) const {
+	return _images[validSizeIndex(size)].byteSize;
 }
 
 bool PhotoData::displayLoading() const {
-	return _large->loading()
-		? _large->displayLoading()
+	const auto index = PhotoSizeIndex(PhotoSize::Large);
+	return _images[index].loader
+		? (!_images[index].loader->loadingLocal()
+			|| !_images[index].loader->autoLoading())
 		: (uploading() && !waitingForAlbum());
 }
 
 void PhotoData::cancel() {
-	_large->cancel();
-	_owner->notifyPhotoLayoutChanged(this);
+	if (loading()) {
+		_images[PhotoSizeIndex(PhotoSize::Large)].loader->cancel();
+	}
 }
 
 float64 PhotoData::progress() const {
 	if (uploading()) {
 		if (uploadingData->size > 0) {
-			return float64(uploadingData->offset) / uploadingData->size;
+			const auto result = float64(uploadingData->offset)
+				/ uploadingData->size;
+			return snap(result, 0., 1.);
 		}
-		return 0;
+		return 0.;
 	}
-	return _large->progress();
+	const auto index = PhotoSizeIndex(PhotoSize::Large);
+	return loading() ? _images[index].loader->currentProgress() : 0.;
+}
+
+bool PhotoData::cancelled() const {
+	const auto index = PhotoSizeIndex(PhotoSize::Large);
+	return (_images[index].flags & Data::CloudFile::Flag::Cancelled);
 }
 
 void PhotoData::setWaitingForAlbum() {
@@ -92,50 +160,19 @@ bool PhotoData::waitingForAlbum() const {
 }
 
 int32 PhotoData::loadOffset() const {
-	return _large->loadOffset();
+	const auto index = PhotoSizeIndex(PhotoSize::Large);
+	return loading() ? _images[index].loader->currentOffset() : 0;
 }
 
 bool PhotoData::uploading() const {
 	return (uploadingData != nullptr);
 }
 
-void PhotoData::unload() {
-	// Forget thumbnail only when image cache limit exceeds.
-	//_thumbnailInline->unload();
-	_thumbnailSmall->unload();
-	_thumbnail->unload();
-	_large->unload();
-	_replyPreview.clear();
-}
-
 Image *PhotoData::getReplyPreview(Data::FileOrigin origin) {
-	if (_replyPreview
-		&& (_replyPreview.good() || !_thumbnailSmall->loaded())) {
-		return _replyPreview.image();
+	if (!_replyPreview) {
+		_replyPreview = std::make_unique<Data::ReplyPreview>(this);
 	}
-	if (_thumbnailSmall->isDelayedStorageImage()
-		&& !_large->isNull()
-		&& !_large->isDelayedStorageImage()
-		&& _large->loaded()) {
-		_replyPreview.prepare(
-			_large.get(),
-			origin,
-			Images::Option(0));
-	} else if (_thumbnailSmall->loaded()) {
-		_replyPreview.prepare(
-			_thumbnailSmall.get(),
-			origin,
-			Images::Option(0));
-	} else {
-		_thumbnailSmall->load(origin);
-		if (_thumbnailInline) {
-			_replyPreview.prepare(
-				_thumbnailInline.get(),
-				origin,
-				Images::Option::Blurred);
-		}
-	}
-	return _replyPreview.image();
+	return _replyPreview->image(origin);
 }
 
 void PhotoData::setRemoteLocation(
@@ -162,9 +199,9 @@ QByteArray PhotoData::fileReference() const {
 
 void PhotoData::refreshFileReference(const QByteArray &value) {
 	_fileReference = value;
-	_thumbnailSmall->refreshFileReference(value);
-	_thumbnail->refreshFileReference(value);
-	_large->refreshFileReference(value);
+	for (auto &image : _images) {
+		image.location.refreshFileReference(value);
+	}
 }
 
 void PhotoData::collectLocalData(not_null<PhotoData*> local) {
@@ -172,83 +209,108 @@ void PhotoData::collectLocalData(not_null<PhotoData*> local) {
 		return;
 	}
 
-	const auto copyImage = [&](const ImagePtr &src, const ImagePtr &dst) {
-		if (const auto from = src->cacheKey()) {
-			if (const auto to = dst->cacheKey()) {
-				_owner->cache().copyIfEmpty(*from, *to);
+	for (auto i = 0; i != kPhotoSizeCount; ++i) {
+		if (const auto from = local->_images[i].location.file().cacheKey()) {
+			if (const auto to = _images[i].location.file().cacheKey()) {
+				_owner->cache().copyIfEmpty(from, to);
 			}
 		}
-	};
-	copyImage(local->_thumbnailSmall, _thumbnailSmall);
-	copyImage(local->_thumbnail, _thumbnail);
-	copyImage(local->_large, _large);
+	}
+	if (const auto localMedia = local->activeMediaView()) {
+		auto media = createMediaView();
+		media->collectLocalData(localMedia.get());
+		_owner->keepAlive(std::move(media));
+	}
 }
 
 bool PhotoData::isNull() const {
-	return _large->isNull();
+	return !_images[PhotoSizeIndex(PhotoSize::Large)].location.valid();
 }
 
-void PhotoData::loadThumbnail(Data::FileOrigin origin) {
-	_thumbnail->load(origin);
+void PhotoData::load(
+		PhotoSize size,
+		Data::FileOrigin origin,
+		LoadFromCloudSetting fromCloud,
+		bool autoLoading) {
+	const auto index = validSizeIndex(size);
+	auto &image = _images[index];
+
+	// Could've changed, if the requested size didn't have a location.
+	const auto loadingSize = static_cast<PhotoSize>(index);
+	const auto cacheTag = Data::kImageCacheTag;
+	Data::LoadCloudFile(image, origin, fromCloud, autoLoading, cacheTag, [=] {
+		if (const auto active = activeMediaView()) {
+			return !active->image(size);
+		}
+		return true;
+	}, [=](QImage result) {
+		if (const auto active = activeMediaView()) {
+			active->set(loadingSize, std::move(result));
+		}
+		if (loadingSize == PhotoSize::Large) {
+			_owner->photoLoadDone(this);
+		}
+	}, [=](bool started) {
+		if (loadingSize == PhotoSize::Large) {
+			_owner->photoLoadFail(this, started);
+		}
+	}, [=] {
+		if (loadingSize == PhotoSize::Large) {
+			_owner->photoLoadProgress(this);
+		}
+	});
+
+	if (size == PhotoSize::Large) {
+		_owner->notifyPhotoLayoutChanged(this);
+	}
 }
 
-void PhotoData::loadThumbnailSmall(Data::FileOrigin origin) {
-	_thumbnailSmall->load(origin);
+std::shared_ptr<PhotoMedia> PhotoData::createMediaView() {
+	if (auto result = activeMediaView()) {
+		return result;
+	}
+	auto result = std::make_shared<PhotoMedia>(this);
+	_media = result;
+	return result;
 }
 
-Image *PhotoData::thumbnailInline() const {
-	return _thumbnailInline ? _thumbnailInline.get() : nullptr;
-}
-
-not_null<Image*> PhotoData::thumbnailSmall() const {
-	return _thumbnailSmall.get();
-}
-
-not_null<Image*> PhotoData::thumbnail() const {
-	return _thumbnail.get();
-}
-
-void PhotoData::load(Data::FileOrigin origin) {
-	_large->load(origin);
-}
-
-not_null<Image*> PhotoData::large() const {
-	return _large.get();
+std::shared_ptr<PhotoMedia> PhotoData::activeMediaView() const {
+	return _media.lock();
 }
 
 void PhotoData::updateImages(
-		ImagePtr thumbnailInline,
-		ImagePtr thumbnailSmall,
-		ImagePtr thumbnail,
-		ImagePtr large) {
-	if (!thumbnailSmall || !thumbnail || !large) {
-		return;
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &small,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &large) {
+	if (!inlineThumbnailBytes.isEmpty()
+		&& _inlineThumbnailBytes.isEmpty()) {
+		_inlineThumbnailBytes = inlineThumbnailBytes;
 	}
-	if (thumbnailInline && !_thumbnailInline) {
-		_thumbnailInline = thumbnailInline;
-	}
-	const auto update = [](ImagePtr &was, ImagePtr now) {
-		if (!was) {
-			was = now;
-		} else if (was->isDelayedStorageImage()) {
-			if (const auto location = now->location(); location.valid()) {
-				was->setDelayedStorageLocation(
-					Data::FileOrigin(),
-					location);
-			}
-		}
+	const auto update = [&](PhotoSize size, const ImageWithLocation &data) {
+		Data::UpdateCloudFile(
+			_images[PhotoSizeIndex(size)],
+			data,
+			owner().cache(),
+			Data::kImageCacheTag,
+			[=](Data::FileOrigin origin) { load(size, origin); },
+			[=](QImage preloaded) {
+				if (const auto media = activeMediaView()) {
+					media->set(size, data.preloaded);
+				}
+			});
 	};
-	update(_thumbnailSmall, thumbnailSmall);
-	update(_thumbnail, thumbnail);
-	update(_large, large);
+	update(PhotoSize::Small, small);
+	update(PhotoSize::Thumbnail, thumbnail);
+	update(PhotoSize::Large, large);
 }
 
 int PhotoData::width() const {
-	return _large->width();
+	return _images[PhotoSizeIndex(PhotoSize::Large)].location.width();
 }
 
 int PhotoData::height() const {
-	return _large->height();
+	return _images[PhotoSizeIndex(PhotoSize::Large)].location.height();
 }
 
 PhotoClickHandler::PhotoClickHandler(
@@ -275,7 +337,7 @@ void PhotoSaveClickHandler::onClickImpl() const {
 	if (!data->date) {
 		return;
 	} else {
-		data->download(context());
+		data->load(context());
 	}
 }
 

Telegram/SourceFiles/data/data_photo.h

@@ -8,40 +8,56 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "data/data_types.h"
+#include "data/data_cloud_file.h"
 
 namespace Main {
 class Session;
 } // namespace Main
 
 namespace Data {
+
 class Session;
+class ReplyPreview;
+class PhotoMedia;
+
+inline constexpr auto kPhotoSizeCount = 3;
+
+enum class PhotoSize : uchar {
+	Small,
+	Thumbnail,
+	Large,
+};
+
+[[nodiscard]] inline int PhotoSizeIndex(PhotoSize size) {
+	Expects(static_cast<int>(size) < kPhotoSizeCount);
+
+	return static_cast<int>(size);
+}
+
 } // namespace Data
 
-class PhotoData {
+class PhotoData final {
 public:
 	PhotoData(not_null<Data::Session*> owner, PhotoId id);
+	~PhotoData();
 
 	[[nodiscard]] Data::Session &owner() const;
 	[[nodiscard]] Main::Session &session() const;
+	[[nodiscard]] bool isNull() const;
 
-	void automaticLoad(
-		Data::FileOrigin origin,
-		const HistoryItem *item);
 	void automaticLoadSettingsChanged();
 
-	void download(Data::FileOrigin origin);
-	[[nodiscard]] bool loaded() const;
 	[[nodiscard]] bool loading() const;
 	[[nodiscard]] bool displayLoading() const;
 	void cancel();
 	[[nodiscard]] float64 progress() const;
 	[[nodiscard]] int32 loadOffset() const;
 	[[nodiscard]] bool uploading() const;
+	[[nodiscard]] bool cancelled() const;
 
 	void setWaitingForAlbum();
 	[[nodiscard]] bool waitingForAlbum() const;
 
-	void unload();
 	[[nodiscard]] Image *getReplyPreview(Data::FileOrigin origin);
 
 	void setRemoteLocation(
@@ -58,27 +74,47 @@ public:
 	// to (this) received from the server "same" photo.
 	void collectLocalData(not_null<PhotoData*> local);
 
-	bool isNull() const;
+	[[nodiscard]] std::shared_ptr<Data::PhotoMedia> createMediaView();
+	[[nodiscard]] auto activeMediaView() const
+		-> std::shared_ptr<Data::PhotoMedia>;
 
-	void loadThumbnail(Data::FileOrigin origin);
-	void loadThumbnailSmall(Data::FileOrigin origin);
-	Image *thumbnailInline() const;
-	not_null<Image*> thumbnailSmall() const;
-	not_null<Image*> thumbnail() const;
+	void updateImages(
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &small,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &large);
+	[[nodiscard]] int validSizeIndex(Data::PhotoSize size) const;
 
-	void load(Data::FileOrigin origin);
-	not_null<Image*> large() const;
+	[[nodiscard]] QByteArray inlineThumbnailBytes() const {
+		return _inlineThumbnailBytes;
+	}
+	void clearInlineThumbnailBytes() {
+		_inlineThumbnailBytes = QByteArray();
+	}
+
+	void load(
+		Data::FileOrigin origin,
+		LoadFromCloudSetting fromCloud = LoadFromCloudOrLocal,
+		bool autoLoading = false);
+
+	[[nodiscard]] static int SideLimit();
+
+	[[nodiscard]] bool hasExact(Data::PhotoSize size) const;
+	[[nodiscard]] bool loading(Data::PhotoSize size) const;
+	[[nodiscard]] bool failed(Data::PhotoSize size) const;
+	void load(
+		Data::PhotoSize size,
+		Data::FileOrigin origin,
+		LoadFromCloudSetting fromCloud = LoadFromCloudOrLocal,
+		bool autoLoading = false);
+	[[nodiscard]] const ImageLocation &location(Data::PhotoSize size) const;
+	[[nodiscard]] std::optional<QSize> size(Data::PhotoSize size) const;
+	[[nodiscard]] int imageByteSize(Data::PhotoSize size) const;
 
 	// For now they return size of the 'large' image.
 	int width() const;
 	int height() const;
 
-	void updateImages(
-		ImagePtr thumbnailInline,
-		ImagePtr thumbnailSmall,
-		ImagePtr thumbnail,
-		ImagePtr large);
-
 	PhotoId id = 0;
 	TimeId date = 0;
 	bool hasSticker = false;
@@ -89,15 +125,14 @@ public:
 	std::unique_ptr<Data::UploadState> uploadingData;
 
 private:
-	ImagePtr _thumbnailInline;
-	ImagePtr _thumbnailSmall;
-	ImagePtr _thumbnail;
-	ImagePtr _large;
+	QByteArray _inlineThumbnailBytes;
+	std::array<Data::CloudFile, Data::kPhotoSizeCount> _images;
 
 	int32 _dc = 0;
 	uint64 _access = 0;
 	QByteArray _fileReference;
-	Data::ReplyPreview _replyPreview;
+	std::unique_ptr<Data::ReplyPreview> _replyPreview;
+	std::weak_ptr<Data::PhotoMedia> _media;
 
 	not_null<Data::Session*> _owner;
 

Telegram/SourceFiles/data/data_photo_media.cpp

@@ -0,0 +1,126 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "data/data_photo_media.h"
+
+#include "data/data_photo.h"
+#include "data/data_session.h"
+#include "data/data_file_origin.h"
+#include "data/data_auto_download.h"
+#include "main/main_session.h"
+#include "history/history_item.h"
+#include "history/history.h"
+#include "storage/file_download.h"
+#include "ui/image/image.h"
+
+namespace Data {
+
+PhotoMedia::PhotoMedia(not_null<PhotoData*> owner)
+: _owner(owner) {
+}
+
+// NB! Right now DocumentMedia can outlive Main::Session!
+// In DocumentData::collectLocalData a shared_ptr is sent on_main.
+// In case this is a problem the ~Gif code should be rewritten.
+PhotoMedia::~PhotoMedia() = default;
+
+not_null<PhotoData*> PhotoMedia::owner() const {
+	return _owner;
+}
+
+Image *PhotoMedia::thumbnailInline() const {
+	if (!_inlineThumbnail) {
+		const auto bytes = _owner->inlineThumbnailBytes();
+		if (!bytes.isEmpty()) {
+			auto image = Images::FromInlineBytes(bytes);
+			if (image.isNull()) {
+				_owner->clearInlineThumbnailBytes();
+			} else {
+				_inlineThumbnail = std::make_unique<Image>(std::move(image));
+			}
+		}
+	}
+	return _inlineThumbnail.get();
+}
+
+Image *PhotoMedia::image(PhotoSize size) const {
+	if (const auto image = _images[PhotoSizeIndex(size)].get()) {
+		return image;
+	}
+	return _images[_owner->validSizeIndex(size)].get();
+}
+
+void PhotoMedia::wanted(PhotoSize size, Data::FileOrigin origin) {
+	const auto index = _owner->validSizeIndex(size);
+	if (!_images[index]) {
+		_owner->load(size, origin);
+	}
+}
+
+QSize PhotoMedia::size(PhotoSize size) const {
+	const auto index = PhotoSizeIndex(size);
+	if (const auto image = _images[index].get()) {
+		return image->size();
+	}
+	const auto &location = _owner->location(size);
+	return { location.width(), location.height() };
+}
+
+void PhotoMedia::set(PhotoSize size, QImage image) {
+	const auto index = PhotoSizeIndex(size);
+	const auto limit = PhotoData::SideLimit();
+	if (image.width() > limit || image.height() > limit) {
+		image = image.scaled(
+			limit,
+			limit,
+			Qt::KeepAspectRatio,
+			Qt::SmoothTransformation);
+	}
+	_images[index] = std::make_unique<Image>(std::move(image));
+	_owner->session().downloaderTaskFinished().notify();
+}
+
+bool PhotoMedia::loaded() const {
+	const auto index = PhotoSizeIndex(PhotoSize::Large);
+	return (_images[index] != nullptr);
+}
+
+float64 PhotoMedia::progress() const {
+	return (_owner->uploading() || _owner->loading())
+		? _owner->progress()
+		: (loaded() ? 1. : 0.);
+}
+
+void PhotoMedia::automaticLoad(
+		Data::FileOrigin origin,
+		const HistoryItem *item) {
+	const auto index = PhotoSizeIndex(PhotoSize::Large);
+	if (!item || loaded() || _owner->cancelled()) {
+		return;
+	}
+	const auto loadFromCloud = Data::AutoDownload::Should(
+		_owner->session().settings().autoDownload(),
+		item->history()->peer,
+		_owner);
+	_owner->load(
+		origin,
+		loadFromCloud ? LoadFromCloudOrLocal : LoadFromLocalOnly,
+		true);
+}
+
+void PhotoMedia::collectLocalData(not_null<PhotoMedia*> local) {
+	if (const auto image = local->_inlineThumbnail.get()) {
+		_inlineThumbnail = std::make_unique<Image>(image->original());
+	}
+	for (auto i = 0; i != kPhotoSizeCount; ++i) {
+		if (const auto image = local->_images[i].get()) {
+			_images[i] = std::make_unique<Image>(image->original());
+		}
+	}
+}
+
+} // namespace Data

Telegram/SourceFiles/data/data_photo_media.h

@@ -0,0 +1,48 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+#include "base/flags.h"
+#include "data/data_photo.h"
+
+class FileLoader;
+
+namespace Data {
+
+class PhotoMedia final {
+public:
+	explicit PhotoMedia(not_null<PhotoData*> owner);
+	~PhotoMedia();
+
+	[[nodiscard]] not_null<PhotoData*> owner() const;
+
+	[[nodiscard]] Image *thumbnailInline() const;
+
+	[[nodiscard]] Image *image(PhotoSize size) const;
+	[[nodiscard]] QSize size(PhotoSize size) const;
+	void wanted(PhotoSize size, Data::FileOrigin origin);
+	void set(PhotoSize size, QImage image);
+
+	[[nodiscard]] bool loaded() const;
+	[[nodiscard]] float64 progress() const;
+
+	void automaticLoad(Data::FileOrigin origin, const HistoryItem *item);
+
+	void collectLocalData(not_null<PhotoMedia*> local);
+
+private:
+	// NB! Right now DocumentMedia can outlive Main::Session!
+	// In DocumentData::collectLocalData a shared_ptr is sent on_main.
+	// In case this is a problem the ~Gif code should be rewritten.
+	const not_null<PhotoData*> _owner;
+	mutable std::unique_ptr<Image> _inlineThumbnail;
+	std::array<std::unique_ptr<Image>, kPhotoSizeCount>  _images;
+
+};
+
+} // namespace Data

Telegram/SourceFiles/data/data_reply_preview.cpp

@@ -0,0 +1,110 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "data/data_reply_preview.h"
+
+#include "data/data_file_origin.h"
+#include "data/data_document.h"
+#include "data/data_document_media.h"
+#include "data/data_photo.h"
+#include "data/data_photo_media.h"
+#include "ui/image/image.h"
+
+namespace Data {
+
+ReplyPreview::ReplyPreview(not_null<DocumentData*> document)
+: _document(document) {
+}
+
+ReplyPreview::ReplyPreview(not_null<PhotoData*> photo)
+: _photo(photo) {
+}
+
+ReplyPreview::~ReplyPreview() = default;
+
+void ReplyPreview::prepare(not_null<Image*> image, Images::Options options) {
+	if (image->isNull()) {
+		return;
+	}
+	int w = image->width(), h = image->height();
+	if (w <= 0) w = 1;
+	if (h <= 0) h = 1;
+	auto thumbSize = (w > h)
+		? QSize(
+			w * st::msgReplyBarSize.height() / h,
+			st::msgReplyBarSize.height())
+		: QSize(
+			st::msgReplyBarSize.height(),
+			h * st::msgReplyBarSize.height() / w);
+	thumbSize *= cIntRetinaFactor();
+	const auto prepareOptions = Images::Option::Smooth
+		| Images::Option::TransparentBackground
+		| options;
+	auto outerSize = st::msgReplyBarSize.height();
+	auto bitmap = image->pixNoCache(
+		thumbSize.width(),
+		thumbSize.height(),
+		prepareOptions,
+		outerSize,
+		outerSize);
+	_image = std::make_unique<Image>(bitmap.toImage());
+	_good = ((options & Images::Option::Blurred) == 0);
+}
+
+Image *ReplyPreview::image(Data::FileOrigin origin) {
+	if (_checked) {
+		return _image.get();
+	}
+	if (_document) {
+		if (!_image || (!_good && _document->hasThumbnail())) {
+			if (!_documentMedia) {
+				_documentMedia = _document->createMediaView();
+				_documentMedia->thumbnailWanted(origin);
+			}
+			const auto thumbnail = _documentMedia->thumbnail();
+			const auto option = _document->isVideoMessage()
+				? Images::Option::Circled
+				: Images::Option::None;
+			if (thumbnail) {
+				prepare(thumbnail, option);
+			} else if (!_image) {
+				if (const auto image = _documentMedia->thumbnailInline()) {
+					prepare(image, option | Images::Option::Blurred);
+				}
+			}
+			if (_good || !_document->hasThumbnail()) {
+				_checked = true;
+				_documentMedia = nullptr;
+			}
+		}
+	} else {
+		Assert(_photo != nullptr);
+		if (!_image || !_good) {
+			if (!_photoMedia) {
+				_photoMedia = _photo->createMediaView();
+				_photoMedia->wanted(PhotoSize::Small, origin);
+			}
+			if (const auto small = _photoMedia->image(PhotoSize::Small)) {
+				prepare(small, Images::Option(0));
+			} else if (const auto large = _photoMedia->image(
+					PhotoSize::Large)) {
+				prepare(large, Images::Option(0));
+			} else if (!_image) {
+				if (const auto blurred = _photoMedia->thumbnailInline()) {
+					prepare(blurred, Images::Option::Blurred);
+				}
+			}
+			if (_good) {
+				_checked = true;
+				_photoMedia = nullptr;
+			}
+		}
+	}
+	return _image.get();
+}
+
+} // namespace Data

Telegram/SourceFiles/data/data_reply_preview.h

@@ -0,0 +1,41 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+class Image;
+class DocumentData;
+class PhotoData;
+
+namespace Data {
+
+class PhotoMedia;
+class DocumentMedia;
+struct FileOrigin;
+
+class ReplyPreview {
+public:
+	explicit ReplyPreview(not_null<DocumentData*> document);
+	explicit ReplyPreview(not_null<PhotoData*> photo);
+	~ReplyPreview();
+
+	[[nodiscard]] Image *image(Data::FileOrigin origin);
+
+private:
+	void prepare(not_null<Image*> image, Images::Options options);
+
+	std::unique_ptr<Image> _image;
+	PhotoData *_photo = nullptr;
+	DocumentData *_document = nullptr;
+	std::shared_ptr<PhotoMedia> _photoMedia;
+	std::shared_ptr<DocumentMedia> _documentMedia;
+	bool _good = false;
+	bool _checked = false;
+
+};
+
+} // namespace Data

Telegram/SourceFiles/data/data_scheduled_messages.cpp

@@ -414,6 +414,7 @@ HistoryItem *ScheduledMessages::append(
 			}, data.vmedia());
 			existing->updateReplyMarkup(data.vreply_markup());
 			existing->updateForwardedInfo(data.vfwd_from());
+			existing->updateDate(data.vdate().v);
 			history->owner().requestItemTextRefresh(existing);
 		}, [&](const auto &data) {});
 		return existing;

Telegram/SourceFiles/data/data_session.cpp

@@ -16,7 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/mime_type.h" // Core::IsMimeSticker
 #include "core/crash_reports.h" // CrashReports::SetAnnotation
 #include "ui/image/image.h"
-#include "ui/image/image_source.h" // Images::LocalFileSource
+#include "ui/image/image_location_factory.h" // Images::FromPhotoSize
 #include "export/export_controller.h"
 #include "export/view/export_view_panel_controller.h"
 #include "window/notifications_manager.h"
@@ -74,10 +74,10 @@ using ViewElement = HistoryView::Element;
 // b: crop 320x320
 // c: crop 640x640
 // d: crop 1280x1280
-const auto InlineLevels = QByteArray::fromRawData("i", 1);
-const auto SmallLevels = QByteArray::fromRawData("sambcxydwi", 10);
-const auto ThumbnailLevels = QByteArray::fromRawData("mbcxasydwi", 10);
-const auto LargeLevels = QByteArray::fromRawData("yxwmsdcbai", 10);
+const auto InlineLevels = "i"_q;
+const auto SmallLevels = "sa"_q;
+const auto ThumbnailLevels = "mbsa"_q;
+const auto LargeLevels = "ydxcwmbsa"_q;
 
 void CheckForSwitchInlineButton(not_null<HistoryItem*> item) {
 	if (item->out() || !item->hasSwitchInlineButton()) {
@@ -126,22 +126,22 @@ std::vector<UnavailableReason> ExtractUnavailableReasons(
 	}) | ranges::to_vector;
 }
 
-MTPPhotoSize FindDocumentInlineThumbnail(const MTPDdocument &data) {
-	const auto thumbs = data.vthumbs();
-	if (!thumbs) {
-		return MTP_photoSizeEmpty(MTP_string());
-	}
-	const auto &list = thumbs->v;
+[[nodiscard]] QByteArray FindInlineThumbnail(
+		const QVector<MTPPhotoSize> &sizes) {
 	const auto i = ranges::find(
-		list,
+		sizes,
 		mtpc_photoStrippedSize,
 		&MTPPhotoSize::type);
-	return (i != list.end())
-		? (*i)
-		: MTPPhotoSize(MTP_photoSizeEmpty(MTP_string()));
+	return (i != sizes.end())
+		? i->c_photoStrippedSize().vbytes().v
+		: QByteArray();
 }
 
-MTPPhotoSize FindDocumentThumbnail(const MTPDdocument &data) {
+[[nodiscard]] QByteArray FindDocumentInlineThumbnail(const MTPDdocument &data) {
+	return FindInlineThumbnail(data.vthumbs().value_or_empty());
+}
+
+[[nodiscard]] MTPPhotoSize FindDocumentThumbnail(const MTPDdocument &data) {
 	const auto area = [](const MTPPhotoSize &size) {
 		static constexpr auto kInvalid = 0;
 		return size.match([](const MTPDphotoSizeEmpty &) {
@@ -163,7 +163,30 @@ MTPPhotoSize FindDocumentThumbnail(const MTPDdocument &data) {
 		: MTPPhotoSize(MTP_photoSizeEmpty(MTP_string()));
 }
 
-rpl::producer<int> PinnedDialogsCountMaxValue(
+[[nodiscard]] std::optional<MTPVideoSize> FindDocumentVideoThumbnail(
+		const MTPDdocument &data) {
+	const auto area = [](const MTPVideoSize &size) {
+		static constexpr auto kInvalid = 0;
+		return size.match([](const MTPDvideoSize &data) {
+			return (data.vw().v * data.vh().v);
+		});
+	};
+	const auto thumbs = data.vvideo_thumbs();
+	if (!thumbs) {
+		return std::nullopt;
+	}
+	const auto &list = thumbs->v;
+	const auto i = ranges::max_element(list, std::less<>(), area);
+	return (i != list.end() && area(*i) > 0)
+		? std::make_optional(*i)
+		: std::nullopt;
+}
+
+[[nodiscard]] QByteArray FindPhotoInlineThumbnail(const MTPDphoto &data) {
+	return FindInlineThumbnail(data.vsizes().v);
+}
+
+[[nodiscard]] rpl::producer<int> PinnedDialogsCountMaxValue(
 		not_null<Main::Session*> session) {
 	return rpl::single(
 		rpl::empty_value()
@@ -244,6 +267,18 @@ void Session::clear() {
 	_photos.clear();
 }
 
+void Session::keepAlive(std::shared_ptr<PhotoMedia> media) {
+	// NB! This allows PhotoMedia to outlive Main::Session!
+	// In case this is a problem this code should be rewritten.
+	crl::on_main(&session(), [media = std::move(media)]{});
+}
+
+void Session::keepAlive(std::shared_ptr<DocumentMedia> media) {
+	// NB! This allows DocumentMedia to outlive Main::Session!
+	// In case this is a problem this code should be rewritten.
+	crl::on_main(&session(), [media = std::move(media)] {});
+}
+
 not_null<PeerData*> Session::peer(PeerId id) {
 	const auto i = _peers.find(id);
 	if (i != _peers.cend()) {
@@ -1044,7 +1079,6 @@ Session::~Session() {
 	_session->notifications().clearAllFast();
 
 	clear();
-	Images::ClearRemote();
 }
 
 template <typename Method>
@@ -1078,6 +1112,15 @@ void Session::notifyPhotoLayoutChanged(not_null<const PhotoData*> photo) {
 	}
 }
 
+void Session::requestPhotoViewRepaint(not_null<const PhotoData*> photo) {
+	const auto i = _photoItems.find(photo);
+	if (i != end(_photoItems)) {
+		for (const auto item : i->second) {
+			requestItemRepaint(item);
+		}
+	}
+}
+
 void Session::notifyDocumentLayoutChanged(
 		not_null<const DocumentData*> document) {
 	const auto i = _documentItems.find(document);
@@ -1113,6 +1156,39 @@ void Session::requestPollViewRepaint(not_null<const PollData*> poll) {
 	}
 }
 
+void Session::documentLoadProgress(not_null<DocumentData*> document) {
+	requestDocumentViewRepaint(document);
+	session().documentUpdated.notify(document, true);
+
+	if (document->isAudioFile()) {
+		::Media::Player::instance()->documentLoadProgress(document);
+	}
+}
+
+void Session::documentLoadDone(not_null<DocumentData*> document) {
+	notifyDocumentLayoutChanged(document);
+}
+
+void Session::documentLoadFail(
+		not_null<DocumentData*> document,
+		bool started) {
+	notifyDocumentLayoutChanged(document);
+}
+
+void Session::photoLoadProgress(not_null<PhotoData*> photo) {
+	requestPhotoViewRepaint(photo);
+}
+
+void Session::photoLoadDone(not_null<PhotoData*> photo) {
+	notifyPhotoLayoutChanged(photo);
+}
+
+void Session::photoLoadFail(
+		not_null<PhotoData*> photo,
+		bool started) {
+	notifyPhotoLayoutChanged(photo);
+}
+
 void Session::markMediaRead(not_null<const DocumentData*> document) {
 	const auto i = _documentItems.find(document);
 	if (i != end(_documentItems)) {
@@ -2134,11 +2210,10 @@ not_null<PhotoData*> Session::processPhoto(
 	const auto image = [&](const QByteArray &levels) {
 		const auto i = find(levels);
 		return (i == thumbs.end())
-			? ImagePtr()
-			: Images::Create(base::duplicate(i->second), "JPG");
+			? ImageWithLocation()
+			: Images::FromImageInMemory(i->second, "JPG");
 	};
-	const auto thumbnailInline = image(InlineLevels);
-	const auto thumbnailSmall = image(SmallLevels);
+	const auto small = image(SmallLevels);
 	const auto thumbnail = image(ThumbnailLevels);
 	const auto large = image(LargeLevels);
 	return data.match([&](const MTPDphoto &data) {
@@ -2149,8 +2224,8 @@ not_null<PhotoData*> Session::processPhoto(
 			data.vdate().v,
 			data.vdc_id().v,
 			data.is_has_stickers(),
-			thumbnailInline,
-			thumbnailSmall,
+			QByteArray(),
+			small,
 			thumbnail,
 			large);
 	}, [&](const MTPDphotoEmpty &data) {
@@ -2165,10 +2240,10 @@ not_null<PhotoData*> Session::photo(
 		TimeId date,
 		int32 dc,
 		bool hasSticker,
-		const ImagePtr &thumbnailInline,
-		const ImagePtr &thumbnailSmall,
-		const ImagePtr &thumbnail,
-		const ImagePtr &large) {
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &small,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &large) {
 	const auto result = photo(id);
 	photoApplyFields(
 		result,
@@ -2177,8 +2252,8 @@ not_null<PhotoData*> Session::photo(
 		date,
 		dc,
 		hasSticker,
-		thumbnailInline,
-		thumbnailSmall,
+		inlineThumbnailBytes,
+		small,
 		thumbnail,
 		large);
 	return result;
@@ -2190,7 +2265,8 @@ void Session::photoConvert(
 	const auto id = data.match([](const auto &data) {
 		return data.vid().v;
 	});
-	if (original->id != id) {
+	const auto idChanged = (original->id != id);
+	if (idChanged) {
 		auto i = _photos.find(id);
 		if (i == _photos.end()) {
 			const auto j = _photos.find(original->id);
@@ -2212,29 +2288,11 @@ void Session::photoConvert(
 
 PhotoData *Session::photoFromWeb(
 		const MTPWebDocument &data,
-		ImagePtr thumbnail,
-		bool willBecomeNormal) {
-	const auto large = Images::Create(data);
-	const auto thumbnailInline = ImagePtr();
-	if (large->isNull()) {
+		const ImageLocation &thumbnailLocation) {
+	const auto large = Images::FromWebDocument(data);
+	if (!large.valid()) {
 		return nullptr;
 	}
-	auto thumbnailSmall = large;
-	if (willBecomeNormal) {
-		const auto width = large->width();
-		const auto height = large->height();
-
-		auto thumbsize = shrinkToKeepAspect(width, height, 100, 100);
-		thumbnailSmall = Images::Create(thumbsize.width(), thumbsize.height());
-
-		if (thumbnail->isNull()) {
-			auto mediumsize = shrinkToKeepAspect(width, height, 320, 320);
-			thumbnail = Images::Create(mediumsize.width(), mediumsize.height());
-		}
-	} else if (thumbnail->isNull()) {
-		thumbnail = large;
-	}
-
 	return photo(
 		rand_value<PhotoId>(),
 		uint64(0),
@@ -2242,10 +2300,10 @@ PhotoData *Session::photoFromWeb(
 		base::unixtime::now(),
 		0,
 		false,
-		thumbnailInline,
-		thumbnailSmall,
-		thumbnail,
-		large);
+		QByteArray(),
+		ImageWithLocation{},
+		ImageWithLocation{ .location = thumbnailLocation },
+		ImageWithLocation{ .location = large });
 }
 
 void Session::photoApplyFields(
@@ -2279,13 +2337,12 @@ void Session::photoApplyFields(
 	};
 	const auto image = [&](const QByteArray &levels) {
 		const auto i = find(levels);
-		return (i == sizes.end()) ? ImagePtr() : Images::Create(data, *i);
+		return (i == sizes.end())
+			? ImageWithLocation()
+			: Images::FromPhotoSize(_session, data, *i);
 	};
-	const auto thumbnailInline = image(InlineLevels);
-	const auto thumbnailSmall = image(SmallLevels);
-	const auto thumbnail = image(ThumbnailLevels);
 	const auto large = image(LargeLevels);
-	if (thumbnailSmall && thumbnail && large) {
+	if (large.location.valid()) {
 		photoApplyFields(
 			photo,
 			data.vaccess_hash().v,
@@ -2293,9 +2350,9 @@ void Session::photoApplyFields(
 			data.vdate().v,
 			data.vdc_id().v,
 			data.is_has_stickers(),
-			thumbnailInline,
-			thumbnailSmall,
-			thumbnail,
+			FindPhotoInlineThumbnail(data),
+			image(SmallLevels),
+			image(ThumbnailLevels),
 			large);
 	}
 }
@@ -2307,10 +2364,10 @@ void Session::photoApplyFields(
 		TimeId date,
 		int32 dc,
 		bool hasSticker,
-		const ImagePtr &thumbnailInline,
-		const ImagePtr &thumbnailSmall,
-		const ImagePtr &thumbnail,
-		const ImagePtr &large) {
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &small,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &large) {
 	if (!date) {
 		return;
 	}
@@ -2318,8 +2375,8 @@ void Session::photoApplyFields(
 	photo->date = date;
 	photo->hasSticker = hasSticker;
 	photo->updateImages(
-		thumbnailInline,
-		thumbnailSmall,
+		inlineThumbnailBytes,
+		small,
 		thumbnail,
 		large);
 }
@@ -2335,14 +2392,11 @@ not_null<DocumentData*> Session::document(DocumentId id) {
 }
 
 not_null<DocumentData*> Session::processDocument(const MTPDocument &data) {
-	switch (data.type()) {
-	case mtpc_document:
-		return processDocument(data.c_document());
-
-	case mtpc_documentEmpty:
-		return document(data.c_documentEmpty().vid().v);
-	}
-	Unexpected("Type in Session::document().");
+	return data.match([&](const MTPDdocument &data) {
+		return processDocument(data);
+	}, [&](const MTPDdocumentEmpty &data) {
+		return document(data.vid().v);
+	});
 }
 
 not_null<DocumentData*> Session::processDocument(const MTPDdocument &data) {
@@ -2353,32 +2407,23 @@ not_null<DocumentData*> Session::processDocument(const MTPDdocument &data) {
 
 not_null<DocumentData*> Session::processDocument(
 		const MTPdocument &data,
-		QImage &&thumb) {
-	switch (data.type()) {
-	case mtpc_documentEmpty:
-		return document(data.c_documentEmpty().vid().v);
-
-	case mtpc_document: {
-		const auto &fields = data.c_document();
-		const auto mime = qs(fields.vmime_type());
-		const auto format = Core::IsMimeSticker(mime)
-			? "WEBP"
-			: "JPG";
+		const ImageWithLocation &thumbnail) {
+	return data.match([&](const MTPDdocument &data) {
 		return document(
-			fields.vid().v,
-			fields.vaccess_hash().v,
-			fields.vfile_reference().v,
-			fields.vdate().v,
-			fields.vattributes().v,
-			mime,
-			ImagePtr(),
-			Images::Create(std::move(thumb), format),
-			fields.vdc_id().v,
-			fields.vsize().v,
-			StorageImageLocation());
-	} break;
-	}
-	Unexpected("Type in Session::document() with thumb.");
+			data.vid().v,
+			data.vaccess_hash().v,
+			data.vfile_reference().v,
+			data.vdate().v,
+			data.vattributes().v,
+			qs(data.vmime_type()),
+			QByteArray(),
+			thumbnail,
+			ImageWithLocation(),
+			data.vdc_id().v,
+			data.vsize().v);
+	}, [&](const MTPDdocumentEmpty &data) {
+		return document(data.vid().v);
+	});
 }
 
 not_null<DocumentData*> Session::document(
@@ -2388,11 +2433,11 @@ not_null<DocumentData*> Session::document(
 		TimeId date,
 		const QVector<MTPDocumentAttribute> &attributes,
 		const QString &mime,
-		const ImagePtr &thumbnailInline,
-		const ImagePtr &thumbnail,
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &videoThumbnail,
 		int32 dc,
-		int32 size,
-		const StorageImageLocation &thumbLocation) {
+		int32 size) {
 	const auto result = document(id);
 	documentApplyFields(
 		result,
@@ -2401,28 +2446,23 @@ not_null<DocumentData*> Session::document(
 		date,
 		attributes,
 		mime,
-		thumbnailInline,
+		inlineThumbnailBytes,
 		thumbnail,
+		videoThumbnail,
 		dc,
-		size,
-		thumbLocation);
+		size);
 	return result;
 }
 
 void Session::documentConvert(
 		not_null<DocumentData*> original,
 		const MTPDocument &data) {
-	const auto id = [&] {
-		switch (data.type()) {
-		case mtpc_document: return data.c_document().vid().v;
-		case mtpc_documentEmpty: return data.c_documentEmpty().vid().v;
-		}
-		Unexpected("Type in Session::documentConvert().");
-	}();
-	const auto oldKey = original->mediaKey();
+	const auto id = data.match([](const auto &data) {
+		return data.vid().v;
+	});
 	const auto oldCacheKey = original->cacheKey();
+	const auto oldGoodKey = original->goodThumbnailCacheKey();
 	const auto idChanged = (original->id != id);
-	const auto sentSticker = idChanged && (original->sticker() != nullptr);
 	if (idChanged) {
 		auto i = _documents.find(id);
 		if (i == _documents.end()) {
@@ -2444,6 +2484,7 @@ void Session::documentConvert(
 	documentApplyFields(original, data);
 	if (idChanged) {
 		cache().moveIfEmpty(oldCacheKey, original->cacheKey());
+		cache().moveIfEmpty(oldGoodKey, original->goodThumbnailCacheKey());
 		if (savedGifs().indexOf(original) >= 0) {
 			Local::writeSavedGifs();
 		}
@@ -2452,21 +2493,20 @@ void Session::documentConvert(
 
 DocumentData *Session::documentFromWeb(
 		const MTPWebDocument &data,
-		ImagePtr thumb) {
-	switch (data.type()) {
-	case mtpc_webDocument:
-		return documentFromWeb(data.c_webDocument(), thumb);
-
-	case mtpc_webDocumentNoProxy:
-		return documentFromWeb(data.c_webDocumentNoProxy(), thumb);
-
-	}
-	Unexpected("Type in Session::documentFromWeb.");
+		const ImageLocation &thumbnailLocation,
+		const ImageLocation &videoThumbnailLocation) {
+	return data.match([&](const auto &data) {
+		return documentFromWeb(
+			data,
+			thumbnailLocation,
+			videoThumbnailLocation);
+	});
 }
 
 DocumentData *Session::documentFromWeb(
 		const MTPDwebDocument &data,
-		ImagePtr thumb) {
+		const ImageLocation &thumbnailLocation,
+		const ImageLocation &videoThumbnailLocation) {
 	const auto result = document(
 		rand_value<DocumentId>(),
 		uint64(0),
@@ -2474,11 +2514,11 @@ DocumentData *Session::documentFromWeb(
 		base::unixtime::now(),
 		data.vattributes().v,
 		data.vmime_type().v,
-		ImagePtr(),
-		thumb,
+		QByteArray(),
+		ImageWithLocation{ .location = thumbnailLocation },
+		ImageWithLocation{ .location = videoThumbnailLocation },
 		MTP::maindc(),
-		int32(0), // data.vsize().v
-		StorageImageLocation());
+		int32(0)); // data.vsize().v
 	result->setWebLocation(WebFileLocation(
 		data.vurl().v,
 		data.vaccess_hash().v));
@@ -2487,7 +2527,8 @@ DocumentData *Session::documentFromWeb(
 
 DocumentData *Session::documentFromWeb(
 		const MTPDwebDocumentNoProxy &data,
-		ImagePtr thumb) {
+		const ImageLocation &thumbnailLocation,
+		const ImageLocation &videoThumbnailLocation) {
 	const auto result = document(
 		rand_value<DocumentId>(),
 		uint64(0),
@@ -2495,11 +2536,11 @@ DocumentData *Session::documentFromWeb(
 		base::unixtime::now(),
 		data.vattributes().v,
 		data.vmime_type().v,
-		ImagePtr(),
-		thumb,
+		QByteArray(),
+		ImageWithLocation{ .location = thumbnailLocation },
+		ImageWithLocation{ .location = videoThumbnailLocation },
 		MTP::maindc(),
-		int32(0), // data.vsize().v
-		StorageImageLocation());
+		int32(0)); // data.vsize().v
 	result->setContentUrl(qs(data.vurl()));
 	return result;
 }
@@ -2515,9 +2556,16 @@ void Session::documentApplyFields(
 void Session::documentApplyFields(
 		not_null<DocumentData*> document,
 		const MTPDdocument &data) {
-	const auto thumbnailInline = FindDocumentInlineThumbnail(data);
+	const auto inlineThumbnailBytes = FindDocumentInlineThumbnail(data);
 	const auto thumbnailSize = FindDocumentThumbnail(data);
-	const auto thumbnail = Images::Create(data, thumbnailSize);
+	const auto videoThumbnailSize = FindDocumentVideoThumbnail(data);
+	const auto prepared = Images::FromPhotoSize(
+		_session,
+		data,
+		thumbnailSize);
+	const auto videoThumbnail = videoThumbnailSize
+		? Images::FromVideoSize(_session, data, *videoThumbnailSize)
+		: ImageWithLocation();
 	documentApplyFields(
 		document,
 		data.vaccess_hash().v,
@@ -2525,11 +2573,11 @@ void Session::documentApplyFields(
 		data.vdate().v,
 		data.vattributes().v,
 		qs(data.vmime_type()),
-		Images::Create(data, thumbnailInline),
-		thumbnail,
+		inlineThumbnailBytes,
+		prepared,
+		videoThumbnail,
 		data.vdc_id().v,
-		data.vsize().v,
-		thumbnail->location());
+		data.vsize().v);
 }
 
 void Session::documentApplyFields(
@@ -2539,17 +2587,20 @@ void Session::documentApplyFields(
 		TimeId date,
 		const QVector<MTPDocumentAttribute> &attributes,
 		const QString &mime,
-		const ImagePtr &thumbnailInline,
-		const ImagePtr &thumbnail,
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &videoThumbnail,
 		int32 dc,
-		int32 size,
-		const StorageImageLocation &thumbLocation) {
+		int32 size) {
 	if (!date) {
 		return;
 	}
 	document->date = date;
 	document->setMimeString(mime);
-	document->updateThumbnails(thumbnailInline, thumbnail);
+	document->updateThumbnails(
+		inlineThumbnailBytes,
+		thumbnail,
+		videoThumbnail);
 	document->size = size;
 	document->setattributes(attributes);
 
@@ -2558,12 +2609,6 @@ void Session::documentApplyFields(
 	if (dc != 0 && access != 0) {
 		document->setRemoteLocation(dc, access, fileReference);
 	}
-
-	if (document->sticker()
-		&& !document->sticker()->loc.valid()
-		&& thumbLocation.valid()) {
-		document->sticker()->loc = thumbLocation;
-	}
 }
 
 not_null<WebPageData*> Session::webpage(WebPageId id) {
@@ -2978,13 +3023,23 @@ void Session::applyUpdate(const MTPDupdateChatDefaultBannedRights &update) {
 	}
 }
 
-not_null<LocationThumbnail*> Session::location(const LocationPoint &point) {
+not_null<Data::CloudImage*> Session::location(const LocationPoint &point) {
 	const auto i = _locations.find(point);
-	return (i != _locations.cend())
-		? i->second.get()
-		: _locations.emplace(
-			point,
-			std::make_unique<LocationThumbnail>(point)).first->second.get();
+	if (i != _locations.cend()) {
+		return i->second.get();
+	}
+	const auto location = Data::ComputeLocation(point);
+	const auto prepared = ImageWithLocation{
+		.location = ImageLocation(
+			{ location },
+			location.width,
+			location.height)
+	};
+	return _locations.emplace(
+		point,
+		std::make_unique<Data::CloudImage>(
+			_session,
+			prepared)).first->second.get();
 }
 
 void Session::registerPhotoItem(
@@ -3169,43 +3224,19 @@ void Session::unregisterContactItem(
 	}
 }
 
-void Session::registerPlayingVideoFile(not_null<ViewElement*> view) {
-	if (++_playingVideoFiles[view] == 1) {
-		registerHeavyViewPart(view);
-	}
-}
-
-void Session::unregisterPlayingVideoFile(not_null<ViewElement*> view) {
-	const auto i = _playingVideoFiles.find(view);
-	if (i != _playingVideoFiles.end()) {
-		if (!--i->second) {
-			_playingVideoFiles.erase(i);
-			unregisterHeavyViewPart(view);
-		}
-	} else {
-		unregisterHeavyViewPart(view);
-	}
-}
-
-void Session::stopPlayingVideoFiles() {
-	for (const auto &[view, count] : base::take(_playingVideoFiles)) {
+void Session::checkPlayingAnimations() {
+	auto check = base::flat_set<not_null<ViewElement*>>();
+	for (const auto view : _heavyViewParts) {
 		if (const auto media = view->media()) {
-			media->stopAnimation();
-		}
-	}
-}
-
-void Session::checkPlayingVideoFiles() {
-	const auto old = base::take(_playingVideoFiles);
-	for (const auto &[view, count] : old) {
-		if (const auto media = view->media()) {
-			if (const auto left = media->checkAnimationCount()) {
-				_playingVideoFiles.emplace(view, left);
-				registerHeavyViewPart(view);
-				continue;
+			if (const auto document = media->getDocument()) {
+				if (document->isAnimation() || document->isVideoFile()) {
+					check.emplace(view);
+				}
 			}
 		}
-		unregisterHeavyViewPart(view);
+	}
+	for (const auto view : check) {
+		view->media()->checkAnimation();
 	}
 }
 
@@ -3300,6 +3331,8 @@ void Session::registerItemView(not_null<ViewElement*> view) {
 }
 
 void Session::unregisterItemView(not_null<ViewElement*> view) {
+	Expects(!_heavyViewParts.contains(view));
+
 	const auto i = _views.find(view->data());
 	if (i != end(_views)) {
 		auto &list = i->second;
@@ -3763,10 +3796,7 @@ void Session::setWallpapers(const QVector<MTPWallPaper> &data, int32 hash) {
 
 	_wallpapers.push_back(Data::Legacy1DefaultWallPaper());
 	_wallpapers.back().setLocalImageAsThumbnail(std::make_shared<Image>(
-		std::make_unique<Images::LocalFileSource>(
-			qsl(":/gui/art/bg_initial.jpg"),
-			QByteArray(),
-			"JPG")));
+		u":/gui/art/bg_initial.jpg"_q));
 	for (const auto &paper : data) {
 		if (const auto parsed = Data::WallPaper::Create(paper)) {
 			_wallpapers.push_back(*parsed);
@@ -3778,10 +3808,7 @@ void Session::setWallpapers(const QVector<MTPWallPaper> &data, int32 hash) {
 	if (defaultFound == end(_wallpapers)) {
 		_wallpapers.push_back(Data::DefaultWallPaper());
 		_wallpapers.back().setLocalImageAsThumbnail(std::make_shared<Image>(
-			std::make_unique<Images::LocalFileSource>(
-				qsl(":/gui/arg/bg.jpg"),
-				QByteArray(),
-				"JPG")));
+			u":/gui/arg/bg.jpg"_q));
 	}
 }
 

Telegram/SourceFiles/data/data_session.h

@@ -8,7 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "storage/storage_databases.h"
-#include "chat_helpers/stickers.h"
+#include "chat_helpers/stickers_set.h"
 #include "dialogs/dialogs_key.h"
 #include "dialogs/dialogs_indexed_list.h"
 #include "dialogs/dialogs_main_list.h"
@@ -63,6 +63,8 @@ class CloudThemes;
 class Streaming;
 class MediaRotation;
 class Histories;
+class DocumentMedia;
+class PhotoMedia;
 
 class Session final {
 public:
@@ -110,6 +112,9 @@ public:
 
 	void clear();
 
+	void keepAlive(std::shared_ptr<PhotoMedia> media);
+	void keepAlive(std::shared_ptr<DocumentMedia> media);
+
 	void startExport(PeerData *peer = nullptr);
 	void startExport(const MTPInputPeer &singlePeer);
 	void suggestStartExport(TimeId availableAt);
@@ -427,12 +432,21 @@ public:
 	void documentLoadSettingsChanged();
 
 	void notifyPhotoLayoutChanged(not_null<const PhotoData*> photo);
+	void requestPhotoViewRepaint(not_null<const PhotoData*> photo);
 	void notifyDocumentLayoutChanged(
 		not_null<const DocumentData*> document);
 	void requestDocumentViewRepaint(not_null<const DocumentData*> document);
 	void markMediaRead(not_null<const DocumentData*> document);
 	void requestPollViewRepaint(not_null<const PollData*> poll);
 
+	void photoLoadProgress(not_null<PhotoData*> photo);
+	void photoLoadDone(not_null<PhotoData*> photo);
+	void photoLoadFail(not_null<PhotoData*> photo, bool started);
+
+	void documentLoadProgress(not_null<DocumentData*> document);
+	void documentLoadDone(not_null<DocumentData*> document);
+	void documentLoadFail(not_null<DocumentData*> document, bool started);
+
 	HistoryItem *addNewMessage(
 		const MTPMessage &data,
 		MTPDmessage_ClientFlags flags,
@@ -469,24 +483,23 @@ public:
 		TimeId date,
 		int32 dc,
 		bool hasSticker,
-		const ImagePtr &thumbnailInline,
-		const ImagePtr &thumbnailSmall,
-		const ImagePtr &thumbnail,
-		const ImagePtr &large);
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &small,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &large);
 	void photoConvert(
 		not_null<PhotoData*> original,
 		const MTPPhoto &data);
 	[[nodiscard]] PhotoData *photoFromWeb(
 		const MTPWebDocument &data,
-		ImagePtr thumbnail = ImagePtr(),
-		bool willBecomeNormal = false);
+		const ImageLocation &thumbnailLocation);
 
 	[[nodiscard]] not_null<DocumentData*> document(DocumentId id);
 	not_null<DocumentData*> processDocument(const MTPDocument &data);
 	not_null<DocumentData*> processDocument(const MTPDdocument &data);
 	not_null<DocumentData*> processDocument(
 		const MTPdocument &data,
-		QImage &&thumb);
+		const ImageWithLocation &thumbnail);
 	[[nodiscard]] not_null<DocumentData*> document(
 		DocumentId id,
 		const uint64 &access,
@@ -494,17 +507,18 @@ public:
 		TimeId date,
 		const QVector<MTPDocumentAttribute> &attributes,
 		const QString &mime,
-		const ImagePtr &thumbnailInline,
-		const ImagePtr &thumbnail,
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &videoThumbnail,
 		int32 dc,
-		int32 size,
-		const StorageImageLocation &thumbLocation);
+		int32 size);
 	void documentConvert(
 		not_null<DocumentData*> original,
 		const MTPDocument &data);
 	[[nodiscard]] DocumentData *documentFromWeb(
 		const MTPWebDocument &data,
-		ImagePtr thumb);
+		const ImageLocation &thumbnailLocation,
+		const ImageLocation &videoThumbnailLocation);
 
 	[[nodiscard]] not_null<WebPageData*> webpage(WebPageId id);
 	not_null<WebPageData*> processWebpage(const MTPWebPage &data);
@@ -547,7 +561,7 @@ public:
 	not_null<PollData*> processPoll(const MTPPoll &data);
 	not_null<PollData*> processPoll(const MTPDmessageMediaPoll &data);
 
-	[[nodiscard]] not_null<LocationThumbnail*> location(
+	[[nodiscard]] not_null<Data::CloudImage*> location(
 		const LocationPoint &point);
 
 	void registerPhotoItem(
@@ -599,10 +613,7 @@ public:
 		UserId contactId,
 		not_null<HistoryItem*> item);
 
-	void registerPlayingVideoFile(not_null<ViewElement*> view);
-	void unregisterPlayingVideoFile(not_null<ViewElement*> view);
-	void checkPlayingVideoFiles();
-	void stopPlayingVideoFiles();
+	void checkPlayingAnimations();
 
 	HistoryItem *findWebPageItem(not_null<WebPageData*> page) const;
 	QString findContactPhone(not_null<UserData*> contact) const;
@@ -731,10 +742,10 @@ private:
 		TimeId date,
 		int32 dc,
 		bool hasSticker,
-		const ImagePtr &thumbnailInline,
-		const ImagePtr &thumbnailSmall,
-		const ImagePtr &thumbnail,
-		const ImagePtr &large);
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &small,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &large);
 
 	void documentApplyFields(
 		not_null<DocumentData*> document,
@@ -749,17 +760,19 @@ private:
 		TimeId date,
 		const QVector<MTPDocumentAttribute> &attributes,
 		const QString &mime,
-		const ImagePtr &thumbnailInline,
-		const ImagePtr &thumbnail,
+		const QByteArray &inlineThumbnailBytes,
+		const ImageWithLocation &thumbnail,
+		const ImageWithLocation &videoThumbnail,
 		int32 dc,
-		int32 size,
-		const StorageImageLocation &thumbLocation);
+		int32 size);
 	DocumentData *documentFromWeb(
 		const MTPDwebDocument &data,
-		ImagePtr thumb);
+		const ImageLocation &thumbnailLocation,
+		const ImageLocation &videoThumbnailLocation);
 	DocumentData *documentFromWeb(
 		const MTPDwebDocumentNoProxy &data,
-		ImagePtr thumb);
+		const ImageLocation &thumbnailLocation,
+		const ImageLocation &videoThumbnailLocation);
 
 	void webpageApplyFields(
 		not_null<WebPageData*> page,
@@ -923,7 +936,7 @@ private:
 		base::flat_set<not_null<ViewElement*>>> _webpageViews;
 	std::unordered_map<
 		LocationPoint,
-		std::unique_ptr<LocationThumbnail>> _locations;
+		std::unique_ptr<Data::CloudImage>> _locations;
 	std::unordered_map<
 		PollId,
 		std::unique_ptr<PollData>> _polls;
@@ -942,7 +955,6 @@ private:
 	std::unordered_map<
 		UserId,
 		base::flat_set<not_null<ViewElement*>>> _contactViews;
-	base::flat_map<not_null<ViewElement*>, int> _playingVideoFiles;
 
 	base::flat_set<not_null<WebPageData*>> _webpagesUpdated;
 	base::flat_set<not_null<GameData*>> _gamesUpdated;