Version 2.5.7: Support win64 autoupdate.

- Delete not only messages, but also groups you created
and call history for all sides, without a trace.
- Adjust volume for individual participants of a voice chat.
- Report fake groups or channels impersonating famous people
or organizations by opening their Profile > ... > Report.

.github/lock.yml

@@ -0,0 +1,21 @@
+# Number of days of inactivity before a closed issue or pull request is locked
+daysUntilLock: 45
+
+# Skip issues and pull requests created before a given timestamp. Timestamp must
+# follow ISO 8601 (`YYYY-MM-DD`). Set to `false` to disable
+skipCreatedBefore: false
+
+# Issues and pull requests with these labels will be ignored. Set to `[]` to disable
+exemptLabels: []
+
+# Label to add before locking, such as `outdated`. Set to `false` to disable
+lockLabel: false
+
+# Comment to post before locking. Set to `false` to disable
+lockComment: >
+  This thread has been automatically locked since there has not been
+  any recent activity after it was closed. Please open a new issue for
+  related bugs.
+
+# Assign `resolved` as the reason for locking. Set to `false` to disable
+setLockReason: true

.github/no-response.yml

@@ -0,0 +1,11 @@
+# Number of days of inactivity before an Issue is closed for lack of response
+daysUntilClose: 30
+# Label requiring a response
+responseRequiredLabel: waiting for answer
+# Comment to post when closing an Issue for lack of response. Set to `false` to disable
+closeComment: >
+  This issue has been automatically closed because there has been no response
+  to our request for more information from the original author. With only the
+  information that is currently in the issue, we don't have enough information
+  to take action. Please reach out if you have or find the answers we need so
+  that we can investigate further.

.github/workflows/copyright_year_updater.yml

@@ -0,0 +1,16 @@
+name: Copyright year updater.
+
+on:
+  repository_dispatch:
+    types: ["Restart copyright_year_updater workflow."]
+  schedule:
+    # At 03:00 on January 1.
+    - cron: "0 3 1 1 *"
+
+jobs:
+  Copyright-year:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: desktop-app/action_code_updater@master
+        with:
+          type: "license-year"

.github/workflows/mac.yml

@@ -102,6 +102,8 @@ jobs:
           cd Libraries/macos
           echo "LibrariesPath=`pwd`" >> $GITHUB_ENV
 
+          curl -o tg_owt-version.json https://api.github.com/repos/desktop-app/tg_owt/git/refs/heads/master
+
       - name: Patches.
         run: |
           echo "Find necessary commit from doc."
@@ -475,7 +477,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/tg_owt
-          key: ${{ runner.OS }}-webrtc-${{ env.CACHE_KEY }}
+          key: ${{ runner.OS }}-webrtc-${{ env.CACHE_KEY }}-${{ hashFiles('**/tg_owt-version.json') }}
       - name: WebRTC.
         if: steps.cache-webrtc.outputs.cache-hit != 'true'
         run: |

.github/workflows/user_agent_updater.yml

@@ -5,152 +5,14 @@ on:
     types: ["Restart user_agent_updater workflow."]
   schedule:
     # At 00:00 on day-of-month 1.
-    - cron: '0 0 1 * *'
+    - cron: "0 0 1 * *"
   pull_request_target:
     types: [closed]
 
 jobs:
   User-agent:
     runs-on: ubuntu-latest
-
-    env:
-      codeFile: "Telegram/SourceFiles/mtproto/details/mtproto_domain_resolver.cpp"
-      headBranchPrefix: "chrome_"
-      baseBranch: "dev"
-      isPull: "0"
-
     steps:
-      - name: Set env.
-        if: startsWith(github.event_name, 'pull_request')
-        run: |
-          echo "isPull=1" >> $GITHUB_ENV
-
-      - name: Clone.
-        uses: actions/checkout@v2
-
-      - name: Set up git.
-        run: |
-          token=${{ secrets.TOKEN_FOR_MASTER_UPDATER }}
-          if [ -z "${token}" ]; then
-              echo "Token is unset. Nothing to do."
-              exit 1
-          fi
-
-          url=https://x-access-token:$token@github.com/$GITHUB_REPOSITORY
-
-          git config --global user.email "action@github.com"
-          git config --global user.name "GitHub Action"
-
-          git remote set-url origin $url
-
-      - name: Delete branch.
-        env:
-          ref: ${{ github.event.pull_request.head.ref }}
-        if: |
-          env.isPull == '1'
-            && github.event.action == 'closed'
-            && startsWith(env.ref, env.headBranchPrefix)
-        run: |
-          git push origin --delete $ref
-
-      - name: Write a new version of Google Chrome to the user-agent for DNS.
-        if: env.isPull == '0'
-        shell: python
-        run: |
-          import subprocess, os, re;
-
-          regExpVersion = "[0-9]+.[0-9]+.[0-9]+.[0-9]+";
-          chrome = "Chrome/";
-
-          def newVersion():
-            output = subprocess.check_output(["google-chrome", "--version"]);
-            version = re.search(regExpVersion, output);
-            if not version:
-              print("Can't find a Chrome version.");
-              exit();
-            return version.group(0);
-
-          newChromeVersion = newVersion();
-          print(newChromeVersion);
-
-          def setEnv(value):
-            open(os.environ['GITHUB_ENV'], "a").write(value);
-
-          def writeUserAgent():
-            p = os.environ['codeFile'];
-            w = open(p, "r");
-            content = w.read();
-            w.close();
-
-            regExpChrome = chrome + regExpVersion;
-
-            version = re.search(regExpChrome, content);
-            if not version:
-              print("Can't find an user-agent in the code.");
-              exit();
-            content = re.sub(regExpChrome, chrome + newChromeVersion, content);
-
-            w = open(p, "w");
-            w.write(content);
-
-            setEnv("ChromeVersion=" + newChromeVersion);
-
-          writeUserAgent();
-
-      - name: Push to a new branch.
-        if: env.isPull == '0' && env.ChromeVersion != ''
-        run: |
-          git diff > git_diff.txt
-          if [[ ! -s git_diff.txt ]]; then
-            echo "Nothing to commit."
-            exit 0
-          fi
-
-          git checkout -b $headBranchPrefix$ChromeVersion
-          git add $codeFile
-          git commit -m "Update User-Agent for DNS to Chrome $ChromeVersion."
-
-          git push origin $headBranchPrefix$ChromeVersion
-          echo "Done!"
-
-      - name: Close previous pull requests.
-        if: env.isPull == '0' && env.ChromeVersion != ''
-        uses: actions/github-script@0.4.0
+      - uses: desktop-app/action_code_updater@master
         with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            const common = {
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-            };
-
-            github.pulls.list(common).then(response => {
-              response.data.forEach((item, _) => {
-                if (item.head.ref.startsWith(process.env.headBranchPrefix)) {
-                  console.log(`Close ${item.title} #${item.number}.`);
-                  github.pulls.update({
-                    pull_number: item.number,
-                    state: "closed",
-                    ...common
-                  });
-                }
-              });
-            });
-
-      - name: Create a new pull request.
-        if: env.isPull == '0' && env.ChromeVersion != ''
-        uses: actions/github-script@0.4.0
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            const version = process.env.ChromeVersion;
-            const title = `Update User-Agent for DNS to Chrome ${version}.`;
-
-            github.pulls.create({
-              title: title,
-              body: "",
-              head: `${process.env.headBranchPrefix}${version}`,
-              base: process.env.baseBranch,
-              owner: context.repo.owner,
-              repo: context.repo.repo,
-            });
+          type: "user-agent"

.github/workflows/win.yml

@@ -103,6 +103,7 @@ jobs:
       - name: Generate cache key.
         shell: bash
         run: |
+          curl -o $LibrariesPath/tg_owt-version.json https://api.github.com/repos/desktop-app/tg_owt/git/refs/heads/master
           echo $MANUAL_CACHING >> CACHE_KEY.txt
           if [ "$AUTO_CACHING" == "1" ]; then
             thisFile=$REPO_NAME/.github/workflows/win.yml
@@ -359,7 +360,7 @@ jobs:
         uses: actions/cache@v2
         with:
           path: ${{ env.LibrariesPath }}/tg_owt
-          key: ${{ runner.OS }}-webrtc-${{ env.CACHE_KEY }}
+          key: ${{ runner.OS }}-webrtc-${{ env.CACHE_KEY }}-${{ hashFiles('**/tg_owt-version.json') }}
       - name: WebRTC.
         if: steps.cache-webrtc.outputs.cache-hit != 'true'
         run: |

LEGAL

@@ -1,7 +1,7 @@
 This file is part of Telegram Desktop,
 the official desktop application for the Telegram messaging service.
 
-Copyright (c) 2014-2020 The Telegram Desktop Authors.
+Copyright (c) 2014-2021 The Telegram Desktop Authors.
 
 Telegram Desktop is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by

README.md

@@ -17,13 +17,17 @@ The latest version is available for
 
 * [Windows 7 and above](https://telegram.org/dl/desktop/win) ([portable](https://telegram.org/dl/desktop/win_portable))
 * [macOS 10.12 and above](https://telegram.org/dl/desktop/mac)
-* [OS X 10.10 and 10.11](https://telegram.org/dl/desktop/osx)
-* [Linux static build for 64 bit](https://telegram.org/dl/desktop/linux) ([32 bit](https://telegram.org/dl/desktop/linux32))
+* [Linux static build for 64 bit](https://telegram.org/dl/desktop/linux)
 * [Snap](https://snapcraft.io/telegram-desktop)
 * [Flatpak](https://flathub.org/apps/details/org.telegram.desktop)
 
 ## Old system versions
 
+Version **2.4.4** was the last that supports older systems
+
+* [OS X 10.10 and 10.11](https://updates.tdesktop.com/tosx/tsetup-osx.2.4.4.dmg)
+* [Linux static build for 32 bit](https://updates.tdesktop.com/tlinux32/tsetup32.2.4.4.tar.xz)
+
 Version **1.8.15** was the last that supports older systems
 
 * [Windows XP and Vista](https://updates.tdesktop.com/tsetup/tsetup.1.8.15.exe) ([portable](https://updates.tdesktop.com/tsetup/tportable.1.8.15.zip))

Telegram/CMakeLists.txt

@@ -84,6 +84,13 @@ if (LINUX)
         )
     endif()
 
+    if (NOT DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION)
+        target_link_libraries(Telegram
+        PRIVATE
+            desktop-app::external_kwayland
+        )
+    endif()
+
     if (DESKTOP_APP_USE_PACKAGED
         AND NOT DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION
         AND Qt5WaylandClient_VERSION VERSION_LESS 5.13.0)
@@ -138,6 +145,8 @@ PRIVATE
     api/api_global_privacy.h
     api/api_hash.cpp
     api/api_hash.h
+    api/api_invite_links.cpp
+    api/api_invite_links.h
     api/api_media.cpp
     api/api_media.h
     api/api_self_destruct.cpp
@@ -172,6 +181,10 @@ PRIVATE
     boxes/peers/edit_participants_box.h
     boxes/peers/edit_peer_info_box.cpp
     boxes/peers/edit_peer_info_box.h
+    boxes/peers/edit_peer_invite_link.cpp
+    boxes/peers/edit_peer_invite_link.h
+    boxes/peers/edit_peer_invite_links.cpp
+    boxes/peers/edit_peer_invite_links.h
     boxes/peers/edit_peer_type_box.cpp
     boxes/peers/edit_peer_type_box.h
     boxes/peers/edit_peer_history_visibility_box.cpp
@@ -192,8 +205,6 @@ PRIVATE
     boxes/background_box.h
     boxes/background_preview_box.cpp
     boxes/background_preview_box.h
-    boxes/calendar_box.cpp
-    boxes/calendar_box.h
     boxes/change_phone_box.cpp
     boxes/change_phone_box.h
     boxes/confirm_box.cpp
@@ -258,6 +269,7 @@ PRIVATE
     calls/calls_call.h
     calls/calls_group_call.cpp
     calls/calls_group_call.h
+    calls/calls_group_common.h
     calls/calls_group_members.cpp
     calls/calls_group_members.h
     calls/calls_group_panel.cpp
@@ -278,6 +290,8 @@ PRIVATE
     calls/calls_userpic.h
     calls/calls_video_bubble.cpp
     calls/calls_video_bubble.h
+    calls/calls_volume_item.cpp
+    calls/calls_volume_item.h
     chat_helpers/bot_keyboard.cpp
     chat_helpers/bot_keyboard.h
     chat_helpers/emoji_keywords.cpp
@@ -812,8 +826,17 @@ PRIVATE
     platform/linux/linux_desktop_environment.h
     platform/linux/linux_gdk_helper.cpp
     platform/linux/linux_gdk_helper.h
-    platform/linux/linux_libs.cpp
-    platform/linux/linux_libs.h
+    platform/linux/linux_gsd_media_keys.cpp
+    platform/linux/linux_gsd_media_keys.h
+    platform/linux/linux_gtk_file_dialog.cpp
+    platform/linux/linux_gtk_file_dialog.h
+    platform/linux/linux_gtk_integration_p.h
+    platform/linux/linux_gtk_integration.cpp
+    platform/linux/linux_gtk_integration.h
+    platform/linux/linux_notification_service_watcher.cpp
+    platform/linux/linux_notification_service_watcher.h
+    platform/linux/linux_open_with_dialog.cpp
+    platform/linux/linux_open_with_dialog.h
     platform/linux/linux_wayland_integration.cpp
     platform/linux/linux_wayland_integration.h
     platform/linux/linux_xlib_helper.cpp
@@ -882,7 +905,6 @@ PRIVATE
     platform/win/windows_dlls.h
     platform/win/windows_event_filter.cpp
     platform/win/windows_event_filter.h
-    platform/win/wrapper_wrl_implements_h.h
     platform/platform_audio.h
     platform/platform_file_utilities.h
     platform/platform_launcher.h
@@ -952,6 +974,8 @@ PRIVATE
     storage/storage_account.h
     storage/storage_cloud_blob.cpp
     storage/storage_cloud_blob.h
+    storage/storage_cloud_song_cover.cpp
+    storage/storage_cloud_song_cover.h
     storage/storage_domain.cpp
     storage/storage_domain.h
     storage/storage_facade.cpp
@@ -1101,11 +1125,46 @@ if (NOT LINUX)
     )
 endif()
 
+if (LINUX AND DESKTOP_APP_DISABLE_DBUS_INTEGRATION)
+    remove_target_sources(Telegram ${src_loc}
+        platform/linux/linux_gsd_media_keys.cpp
+        platform/linux/linux_gsd_media_keys.h
+        platform/linux/linux_notification_service_watcher.cpp
+        platform/linux/linux_notification_service_watcher.h
+        platform/linux/notifications_manager_linux.cpp
+    )
+
+    nice_target_sources(Telegram ${src_loc}
+    PRIVATE
+        platform/linux/notifications_manager_linux_dummy.cpp
+    )
+endif()
+
 if (LINUX AND DESKTOP_APP_DISABLE_WAYLAND_INTEGRATION)
     remove_target_sources(Telegram ${src_loc} platform/linux/linux_wayland_integration.cpp)
     nice_target_sources(Telegram ${src_loc} PRIVATE platform/linux/linux_wayland_integration_dummy.cpp)
 endif()
 
+if (LINUX AND TDESKTOP_DISABLE_GTK_INTEGRATION)
+    remove_target_sources(Telegram ${src_loc}
+        platform/linux/linux_gdk_helper.cpp
+        platform/linux/linux_gdk_helper.h
+        platform/linux/linux_gtk_file_dialog.cpp
+        platform/linux/linux_gtk_file_dialog.h
+        platform/linux/linux_gtk_integration_p.h
+        platform/linux/linux_gtk_integration.cpp
+        platform/linux/linux_open_with_dialog.cpp
+        platform/linux/linux_open_with_dialog.h
+        platform/linux/linux_xlib_helper.cpp
+        platform/linux/linux_xlib_helper.h
+    )
+
+    nice_target_sources(Telegram ${src_loc}
+    PRIVATE
+        platform/linux/linux_gtk_integration_dummy.cpp
+    )
+endif()
+
 if (NOT DESKTOP_APP_USE_PACKAGED)
     nice_target_sources(Telegram ${src_loc} PRIVATE platform/mac/mac_iconv_helper.c)
 endif()

Telegram/Resources/langs/lang.strings

@@ -126,6 +126,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_channel_status" = "channel";
 "lng_group_status" = "group";
 "lng_scam_badge" = "SCAM";
+"lng_fake_badge" = "FAKE";
 
 "lng_flood_error" = "Too many tries. Please try again later.";
 "lng_gif_error" = "An error has occurred while reading GIF animation :(";
@@ -327,6 +328,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_events_title" = "Events";
 "lng_settings_events_joined" = "Contact joined Telegram";
 "lng_settings_events_pinned" = "Pinned messages";
+"lng_settings_notifications_calls_title" = "Calls";
 
 "lng_notification_preview" = "You have a new message";
 "lng_notification_reply" = "Reply";
@@ -394,6 +396,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_settings_call_stop_mic_test" = "Stop test";
 "lng_settings_call_section_other" = "Other settings";
 "lng_settings_call_open_system_prefs" = "Open system sound preferences";
+"lng_settings_call_accept_calls" = "Accept calls from this device";
 "lng_settings_call_device_default" = "Same as the System";
 "lng_settings_call_audio_ducking" = "Mute other sounds during calls";
 
@@ -932,6 +935,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_manage_peer_exceptions" = "Exceptions";
 "lng_manage_peer_removed_users" = "Removed users";
 "lng_manage_peer_permissions" = "Permissions";
+"lng_manage_peer_invite_links" = "Invite links";
 
 "lng_manage_peer_group_type" = "Group type";
 "lng_manage_peer_channel_type" = "Channel type";
@@ -975,6 +979,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_report_bot_title" = "Report bot";
 "lng_report_message_title" = "Report message";
 "lng_report_reason_spam" = "Spam";
+"lng_report_reason_fake" = "Fake Account";
 "lng_report_reason_violence" = "Violence";
 "lng_report_reason_child_abuse" = "Child Abuse";
 "lng_report_reason_pornography" = "Pornography";
@@ -1164,14 +1169,53 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_invite_members#other" = "{count} members, among them:";
 "lng_channel_invite_private" = "This channel is private.\nPlease join it to continue viewing its content.";
 
-"lng_group_invite_create" = "Create an invite link";
-"lng_group_invite_about" = "Telegram users will be able to join\nyour group by following this link.";
-"lng_group_invite_about_channel" = "Telegram users will be able to join\nyour channel by following this link.";
-"lng_group_invite_create_new" = "Revoke invite link";
+"lng_group_invite_create" = "Create an invite link"; // #TODO links legacy
 "lng_group_invite_about_new" = "Your previous link will be deactivated and we'll generate a new invite link for you.";
 "lng_group_invite_copied" = "Invite link copied to clipboard.";
 "lng_group_invite_no_room" = "Unable to join this group because there are too many members in it already.";
 
+"lng_group_invite_permanent" = "Permanent link";
+"lng_group_invite_copy" = "Copy Link";
+"lng_group_invite_share" = "Share Link";
+"lng_group_invite_revoke" = "Revoke Link";
+"lng_group_invite_no_joined" = "No one joined yet";
+"lng_group_invite_joined#one" = "{count} person joined";
+"lng_group_invite_joined#other" = "{count} people joined";
+"lng_group_invite_about_permanent_group" = "Anyone who has Telegram installed will be able to join your group by following this link.";
+"lng_group_invite_about_permanent_channel" = "Anyone who has Telegram installed will be able to join your channel by following this link.";
+"lng_group_invite_manage" = "Manage Invite Links";
+"lng_group_invite_manage_about" = "You can create additional invite links that have limited time or number of usages.";
+"lng_group_invite_title" = "Invite links";
+"lng_group_invite_add" = "Create a New Link";
+"lng_group_invite_add_about" = "You can generate invite links that will expire after they've been used.";
+"lng_group_invite_expires_at" = "This link expires {when}.";
+"lng_group_invite_expired_already" = "This link has expired.";
+"lng_group_invite_created_by" = "Link created by";
+"lng_group_invite_context_copy" = "Copy";
+"lng_group_invite_context_share" = "Share";
+"lng_group_invite_context_edit" = "Edit";
+"lng_group_invite_context_revoke" = "Revoke";
+"lng_group_invite_context_delete" = "Delete";
+"lng_group_invite_context_delete_all" = "Delete all";
+"lng_group_invite_delete_sure" = "Are you sure you want to delete that revoked link?";
+"lng_group_invite_delete_all_sure" = "Are you sure you want to delete all revoked links? This action cannot be undone.";
+"lng_group_invite_revoked_title" = "Revoked links";
+"lng_group_invite_revoke_about" = "Are you sure you want to revoke that invite link?";
+"lng_group_invite_link_expired" = "Expired";
+"lng_group_invite_link_revoked" = "Revoked";
+"lng_group_invite_edit_title" = "Edit Link";
+"lng_group_invite_new_title" = "New Link";
+"lng_group_invite_expire_title" = "Limit by time period";
+"lng_group_invite_expire_about" = "You can make the link expire after a certain time.";
+"lng_group_invite_expire_never" = "No limit";
+"lng_group_invite_expire_custom" = "Custom";
+"lng_group_invite_usage_title" = "Limit number of uses";
+"lng_group_invite_usage_about" = "You can make the link expire after it has been used for a certain number of times.";
+"lng_group_invite_expire_after" = "Expire after";
+"lng_group_invite_custom_limit" = "Enter custom limit";
+"lng_group_invite_usage_any" = "No limit";
+"lng_group_invite_usage_custom" = "Custom";
+
 "lng_channel_public_link_copied" = "Link copied to clipboard.";
 "lng_context_about_private_link" = "This link will only work for members of this chat.";
 
@@ -1183,10 +1227,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_forwarded_channel_via" = "Forwarded from {channel} via {inline_bot}";
 "lng_forwarded_signed" = "{channel} ({user})";
 "lng_forwarded_hidden" = "The account was hidden by the user.";
+"lng_forwarded_imported" = "This message was imported from another app. It may not be real.";
 "lng_signed_author" = "Author: {user}";
 "lng_in_reply_to" = "In reply to";
 "lng_edited" = "edited";
 "lng_edited_date" = "Edited: {date}";
+"lng_sent_date" = "Sent: {date}";
+"lng_imported" = "imported";
 "lng_admin_badge" = "admin";
 "lng_owner_badge" = "owner";
 "lng_channel_badge" = "channel";
@@ -1786,6 +1833,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_call_box_status_yesterday" = "Yesterday at {time}";
 "lng_call_box_status_date" = "{date} at {time}";
 "lng_call_box_status_group" = "({amount}) {status}";
+"lng_call_box_clear_all" = "Clear All";
+"lng_call_box_clear_sure" = "Are you sure you want to completely clear your calls log?";
+"lng_call_box_clear_button" = "Clear";
 
 "lng_call_outgoing" = "Outgoing call";
 "lng_call_video_outgoing" = "Outgoing video call";
@@ -1834,6 +1884,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_call_settings_title" = "Settings";
 "lng_group_call_invite" = "Invite Member";
 "lng_group_call_invited_status" = "invited";
+"lng_group_call_muted_by_me_status" = "muted by me";
 "lng_group_call_invite_title" = "Invite members";
 "lng_group_call_invite_button" = "Invite";
 "lng_group_call_add_to_group_one" = "{user} isn't a member of «{group}» yet. Add them to the group?";
@@ -1863,6 +1914,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_group_call_too_many" = "Sorry, there are too many members in this voice chat. Please try again later.";
 "lng_group_call_context_mute" = "Mute";
 "lng_group_call_context_unmute" = "Allow to speak";
+"lng_group_call_context_mute_for_me" = "Mute for me";
+"lng_group_call_context_unmute_for_me" = "Unmute for me";
 "lng_group_call_duration_days#one" = "{count} day";
 "lng_group_call_duration_days#other" = "{count} days";
 "lng_group_call_duration_hours#one" = "{count} hour";

Telegram/Resources/tl/api.tl

@@ -109,7 +109,7 @@ storage.fileMp4#b3cea0e4 = storage.FileType;
 storage.fileWebp#1081464c = storage.FileType;
 
 userEmpty#200250ba id:int = User;
-user#938458c1 flags:# self:flags.10?true contact:flags.11?true mutual_contact:flags.12?true deleted:flags.13?true bot:flags.14?true bot_chat_history:flags.15?true bot_nochats:flags.16?true verified:flags.17?true restricted:flags.18?true min:flags.20?true bot_inline_geo:flags.21?true support:flags.23?true scam:flags.24?true apply_min_photo:flags.25?true id:int access_hash:flags.0?long first_name:flags.1?string last_name:flags.2?string username:flags.3?string phone:flags.4?string photo:flags.5?UserProfilePhoto status:flags.6?UserStatus bot_info_version:flags.14?int restriction_reason:flags.18?Vector<RestrictionReason> bot_inline_placeholder:flags.19?string lang_code:flags.22?string = User;
+user#938458c1 flags:# self:flags.10?true contact:flags.11?true mutual_contact:flags.12?true deleted:flags.13?true bot:flags.14?true bot_chat_history:flags.15?true bot_nochats:flags.16?true verified:flags.17?true restricted:flags.18?true min:flags.20?true bot_inline_geo:flags.21?true support:flags.23?true scam:flags.24?true apply_min_photo:flags.25?true fake:flags.26?true id:int access_hash:flags.0?long first_name:flags.1?string last_name:flags.2?string username:flags.3?string phone:flags.4?string photo:flags.5?UserProfilePhoto status:flags.6?UserStatus bot_info_version:flags.14?int restriction_reason:flags.18?Vector<RestrictionReason> bot_inline_placeholder:flags.19?string lang_code:flags.22?string = User;
 
 userProfilePhotoEmpty#4f11bae1 = UserProfilePhoto;
 userProfilePhoto#69d3ab26 flags:# has_video:flags.0?true photo_id:long photo_small:FileLocation photo_big:FileLocation dc_id:int = UserProfilePhoto;
@@ -124,11 +124,11 @@ userStatusLastMonth#77ebc742 = UserStatus;
 chatEmpty#9ba2d800 id:int = Chat;
 chat#3bda1bde flags:# creator:flags.0?true kicked:flags.1?true left:flags.2?true deactivated:flags.5?true call_active:flags.23?true call_not_empty:flags.24?true id:int title:string photo:ChatPhoto participants_count:int date:int version:int migrated_to:flags.6?InputChannel admin_rights:flags.14?ChatAdminRights default_banned_rights:flags.18?ChatBannedRights = Chat;
 chatForbidden#7328bdb id:int title:string = Chat;
-channel#d31a961e flags:# creator:flags.0?true left:flags.2?true broadcast:flags.5?true verified:flags.7?true megagroup:flags.8?true restricted:flags.9?true signatures:flags.11?true min:flags.12?true scam:flags.19?true has_link:flags.20?true has_geo:flags.21?true slowmode_enabled:flags.22?true call_active:flags.23?true call_not_empty:flags.24?true id:int access_hash:flags.13?long title:string username:flags.6?string photo:ChatPhoto date:int version:int restriction_reason:flags.9?Vector<RestrictionReason> admin_rights:flags.14?ChatAdminRights banned_rights:flags.15?ChatBannedRights default_banned_rights:flags.18?ChatBannedRights participants_count:flags.17?int = Chat;
+channel#d31a961e flags:# creator:flags.0?true left:flags.2?true broadcast:flags.5?true verified:flags.7?true megagroup:flags.8?true restricted:flags.9?true signatures:flags.11?true min:flags.12?true scam:flags.19?true has_link:flags.20?true has_geo:flags.21?true slowmode_enabled:flags.22?true call_active:flags.23?true call_not_empty:flags.24?true fake:flags.25?true id:int access_hash:flags.13?long title:string username:flags.6?string photo:ChatPhoto date:int version:int restriction_reason:flags.9?Vector<RestrictionReason> admin_rights:flags.14?ChatAdminRights banned_rights:flags.15?ChatBannedRights default_banned_rights:flags.18?ChatBannedRights participants_count:flags.17?int = Chat;
 channelForbidden#289da732 flags:# broadcast:flags.5?true megagroup:flags.8?true id:int access_hash:long title:string until_date:flags.16?int = Chat;
 
-chatFull#dc8c181 flags:# can_set_username:flags.7?true has_scheduled:flags.8?true id:int about:string participants:ChatParticipants chat_photo:flags.2?Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:flags.3?Vector<BotInfo> pinned_msg_id:flags.6?int folder_id:flags.11?int call:flags.12?InputGroupCall = ChatFull;
-channelFull#ef3a6acd flags:# can_view_participants:flags.3?true can_set_username:flags.6?true can_set_stickers:flags.7?true hidden_prehistory:flags.10?true can_set_location:flags.16?true has_scheduled:flags.19?true can_view_stats:flags.20?true blocked:flags.22?true id:int about:string participants_count:flags.0?int admins_count:flags.1?int kicked_count:flags.2?int banned_count:flags.2?int online_count:flags.13?int read_inbox_max_id:int read_outbox_max_id:int unread_count:int chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:ExportedChatInvite bot_info:Vector<BotInfo> migrated_from_chat_id:flags.4?int migrated_from_max_id:flags.4?int pinned_msg_id:flags.5?int stickerset:flags.8?StickerSet available_min_id:flags.9?int folder_id:flags.11?int linked_chat_id:flags.14?int location:flags.15?ChannelLocation slowmode_seconds:flags.17?int slowmode_next_send_date:flags.18?int stats_dc:flags.12?int pts:int call:flags.21?InputGroupCall = ChatFull;
+chatFull#f3474af6 flags:# can_set_username:flags.7?true has_scheduled:flags.8?true id:int about:string participants:ChatParticipants chat_photo:flags.2?Photo notify_settings:PeerNotifySettings exported_invite:flags.13?ExportedChatInvite bot_info:flags.3?Vector<BotInfo> pinned_msg_id:flags.6?int folder_id:flags.11?int call:flags.12?InputGroupCall = ChatFull;
+channelFull#7a7de4f7 flags:# can_view_participants:flags.3?true can_set_username:flags.6?true can_set_stickers:flags.7?true hidden_prehistory:flags.10?true can_set_location:flags.16?true has_scheduled:flags.19?true can_view_stats:flags.20?true blocked:flags.22?true id:int about:string participants_count:flags.0?int admins_count:flags.1?int kicked_count:flags.2?int banned_count:flags.2?int online_count:flags.13?int read_inbox_max_id:int read_outbox_max_id:int unread_count:int chat_photo:Photo notify_settings:PeerNotifySettings exported_invite:flags.23?ExportedChatInvite bot_info:Vector<BotInfo> migrated_from_chat_id:flags.4?int migrated_from_max_id:flags.4?int pinned_msg_id:flags.5?int stickerset:flags.8?StickerSet available_min_id:flags.9?int folder_id:flags.11?int linked_chat_id:flags.14?int location:flags.15?ChannelLocation slowmode_seconds:flags.17?int slowmode_next_send_date:flags.18?int stats_dc:flags.12?int pts:int call:flags.21?InputGroupCall = ChatFull;
 
 chatParticipant#c8d7493e user_id:int inviter_id:int date:int = ChatParticipant;
 chatParticipantCreator#da13538a user_id:int = ChatParticipant;
@@ -140,7 +140,7 @@ chatParticipants#3f460fed chat_id:int participants:Vector<ChatParticipant> versi
 chatPhotoEmpty#37c1011c = ChatPhoto;
 chatPhoto#d20b9f3c flags:# has_video:flags.0?true photo_small:FileLocation photo_big:FileLocation dc_id:int = ChatPhoto;
 
-messageEmpty#83e5de54 id:int = Message;
+messageEmpty#90a6ca84 flags:# id:int peer_id:flags.0?Peer = Message;
 message#58ae39c9 flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true post:flags.14?true from_scheduled:flags.18?true legacy:flags.19?true edit_hide:flags.21?true pinned:flags.24?true id:int from_id:flags.8?Peer peer_id:Peer fwd_from:flags.2?MessageFwdHeader via_bot_id:flags.11?int reply_to:flags.3?MessageReplyHeader date:int message:string media:flags.9?MessageMedia reply_markup:flags.6?ReplyMarkup entities:flags.7?Vector<MessageEntity> views:flags.10?int forwards:flags.10?int replies:flags.23?MessageReplies edit_date:flags.15?int post_author:flags.16?string grouped_id:flags.17?long restriction_reason:flags.22?Vector<RestrictionReason> = Message;
 messageService#286fa604 flags:# out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true post:flags.14?true legacy:flags.19?true id:int from_id:flags.8?Peer peer_id:Peer reply_to:flags.3?MessageReplyHeader date:int action:MessageAction = Message;
 
@@ -217,7 +217,7 @@ inputPeerNotifySettings#9c3d198e flags:# show_previews:flags.0?Bool silent:flags
 
 peerNotifySettings#af509d20 flags:# show_previews:flags.0?Bool silent:flags.1?Bool mute_until:flags.2?int sound:flags.3?string = PeerNotifySettings;
 
-peerSettings#733f2961 flags:# report_spam:flags.0?true add_contact:flags.1?true block_contact:flags.2?true share_contact:flags.3?true need_contacts_exception:flags.4?true report_geo:flags.5?true autoarchived:flags.7?true geo_distance:flags.6?int = PeerSettings;
+peerSettings#733f2961 flags:# report_spam:flags.0?true add_contact:flags.1?true block_contact:flags.2?true share_contact:flags.3?true need_contacts_exception:flags.4?true report_geo:flags.5?true autoarchived:flags.7?true invite_members:flags.8?true geo_distance:flags.6?int = PeerSettings;
 
 wallPaper#a437c3ed id:long flags:# creator:flags.0?true default:flags.1?true pattern:flags.3?true dark:flags.4?true access_hash:long slug:string document:Document settings:flags.2?WallPaperSettings = WallPaper;
 wallPaperNoFile#8af40b25 flags:# default:flags.1?true dark:flags.4?true settings:flags.2?WallPaperSettings = WallPaper;
@@ -229,6 +229,7 @@ inputReportReasonChildAbuse#adf44ee3 = ReportReason;
 inputReportReasonOther#e1746d0a text:string = ReportReason;
 inputReportReasonCopyright#9b89f93a = ReportReason;
 inputReportReasonGeoIrrelevant#dbd4feed = ReportReason;
+inputReportReasonFake#f5ddd6e7 = ReportReason;
 
 userFull#edf17c12 flags:# blocked:flags.0?true phone_calls_available:flags.4?true phone_calls_private:flags.5?true can_pin_message:flags.7?true has_scheduled:flags.12?true video_calls_available:flags.13?true user:User about:flags.1?string settings:PeerSettings profile_photo:flags.2?Photo notify_settings:PeerNotifySettings bot_info:flags.3?BotInfo pinned_msg_id:flags.6?int common_chats_count:int folder_id:flags.11?int = UserFull;
 
@@ -407,7 +408,7 @@ encryptedChatEmpty#ab7ec0a0 id:int = EncryptedChat;
 encryptedChatWaiting#3bf703dc id:int access_hash:long date:int admin_id:int participant_id:int = EncryptedChat;
 encryptedChatRequested#62718a82 flags:# folder_id:flags.0?int id:int access_hash:long date:int admin_id:int participant_id:int g_a:bytes = EncryptedChat;
 encryptedChat#fa56ce36 id:int access_hash:long date:int admin_id:int participant_id:int g_a_or_b:bytes key_fingerprint:long = EncryptedChat;
-encryptedChatDiscarded#13d6dd27 id:int = EncryptedChat;
+encryptedChatDiscarded#1e1c7c45 flags:# history_deleted:flags.0?true id:int = EncryptedChat;
 
 inputEncryptedChat#f141b5e1 chat_id:int access_hash:long = InputEncryptedChat;
 
@@ -455,6 +456,7 @@ sendMessageGamePlayAction#dd6a8f48 = SendMessageAction;
 sendMessageRecordRoundAction#88f27fbc = SendMessageAction;
 sendMessageUploadRoundAction#243e1c66 progress:int = SendMessageAction;
 speakingInGroupCallAction#d92c2285 = SendMessageAction;
+sendMessageHistoryImportAction#dbda9246 progress:int = SendMessageAction;
 
 contacts.found#b3134d9d my_results:Vector<Peer> results:Vector<Peer> chats:Vector<Chat> users:Vector<User> = contacts.Found;
 
@@ -535,8 +537,7 @@ auth.passwordRecovery#137948a5 email_pattern:string = auth.PasswordRecovery;
 
 receivedNotifyMessage#a384b779 id:int flags:int = ReceivedNotifyMessage;
 
-chatInviteEmpty#69df3769 = ExportedChatInvite;
-chatInviteExported#fc2e05bc link:string = ExportedChatInvite;
+chatInviteExported#6e24fc9d flags:# revoked:flags.0?true permanent:flags.5?true link:string admin_id:int date:int start_date:flags.4?int expire_date:flags.1?int usage_limit:flags.2?int usage:flags.3?int = ExportedChatInvite;
 
 chatInviteAlready#5a686d7c chat:Chat = ChatInvite;
 chatInvite#dfc2f58e flags:# channel:flags.0?true broadcast:flags.1?true public:flags.2?true megagroup:flags.3?true title:string photo:Photo participants_count:int participants:flags.4?Vector<User> = ChatInvite;
@@ -661,7 +662,7 @@ messages.botResults#947ca848 flags:# gallery:flags.0?true query_id:long next_off
 
 exportedMessageLink#5dab1af4 link:string html:string = ExportedMessageLink;
 
-messageFwdHeader#5f777dce flags:# from_id:flags.0?Peer from_name:flags.5?string date:int channel_post:flags.2?int post_author:flags.3?string saved_from_peer:flags.4?Peer saved_from_msg_id:flags.4?int psa_type:flags.6?string = MessageFwdHeader;
+messageFwdHeader#5f777dce flags:# imported:flags.7?true from_id:flags.0?Peer from_name:flags.5?string date:int channel_post:flags.2?int post_author:flags.3?string saved_from_peer:flags.4?Peer saved_from_msg_id:flags.4?int psa_type:flags.6?string = MessageFwdHeader;
 
 auth.codeTypeSms#72a3158c = auth.CodeType;
 auth.codeTypeCall#741cd3e3 = auth.CodeType;
@@ -820,7 +821,7 @@ payments.savedInfo#fb8fe43c flags:# has_saved_credentials:flags.1?true saved_inf
 inputPaymentCredentialsSaved#c10eb2cf id:string tmp_password:bytes = InputPaymentCredentials;
 inputPaymentCredentials#3417d728 flags:# save:flags.0?true data:DataJSON = InputPaymentCredentials;
 inputPaymentCredentialsApplePay#aa1c39f payment_data:DataJSON = InputPaymentCredentials;
-inputPaymentCredentialsAndroidPay#ca05d50e payment_token:DataJSON google_transaction_id:string = InputPaymentCredentials;
+inputPaymentCredentialsGooglePay#8ac32801 payment_token:DataJSON = InputPaymentCredentials;
 
 account.tmpPassword#db64fd34 tmp_password:bytes valid_until:int = account.TmpPassword;
 
@@ -1195,7 +1196,7 @@ groupCall#55903081 flags:# join_muted:flags.1?true can_change_join_muted:flags.2
 
 inputGroupCall#d8aa840f id:long access_hash:long = InputGroupCall;
 
-groupCallParticipant#56b087c9 flags:# muted:flags.0?true left:flags.1?true can_self_unmute:flags.2?true just_joined:flags.4?true versioned:flags.5?true user_id:int date:int active_date:flags.3?int source:int = GroupCallParticipant;
+groupCallParticipant#64c62a15 flags:# muted:flags.0?true left:flags.1?true can_self_unmute:flags.2?true just_joined:flags.4?true versioned:flags.5?true muted_by_you:flags.9?true user_id:int date:int active_date:flags.3?int source:int volume:flags.7?int = GroupCallParticipant;
 
 phone.groupCall#66ab0bfc call:GroupCall participants:Vector<GroupCallParticipant> participants_next_offset:string users:Vector<User> = phone.GroupCall;
 
@@ -1207,6 +1208,12 @@ inlineQueryPeerTypeChat#d766c50a = InlineQueryPeerType;
 inlineQueryPeerTypeMegagroup#5ec4be43 = InlineQueryPeerType;
 inlineQueryPeerTypeBroadcast#6334ee9a = InlineQueryPeerType;
 
+messages.historyImport#1662af0b id:long = messages.HistoryImport;
+
+messages.historyImportParsed#5e0fb7b9 flags:# pm:flags.0?true group:flags.1?true title:flags.2?string = messages.HistoryImportParsed;
+
+messages.affectedFoundMessages#ef8d3e6c pts:int pts_count:int offset:int messages:Vector<int> = messages.AffectedFoundMessages;
+
 ---functions---
 
 invokeAfterMsg#cb9f372d {X:Type} msg_id:long query:!X = X;
@@ -1349,12 +1356,12 @@ messages.getFullChat#3b831c66 chat_id:int = messages.ChatFull;
 messages.editChatTitle#dc452855 chat_id:int title:string = Updates;
 messages.editChatPhoto#ca4c79d8 chat_id:int photo:InputChatPhoto = Updates;
 messages.addChatUser#f9a0aa09 chat_id:int user_id:InputUser fwd_limit:int = Updates;
-messages.deleteChatUser#e0611f16 chat_id:int user_id:InputUser = Updates;
+messages.deleteChatUser#c534459a flags:# revoke_history:flags.0?true chat_id:int user_id:InputUser = Updates;
 messages.createChat#9cb126e users:Vector<InputUser> title:string = Updates;
 messages.getDhConfig#26cf8950 version:int random_length:int = messages.DhConfig;
 messages.requestEncryption#f64daf43 user_id:InputUser random_id:int g_a:bytes = EncryptedChat;
 messages.acceptEncryption#3dbc0415 peer:InputEncryptedChat g_b:bytes key_fingerprint:long = EncryptedChat;
-messages.discardEncryption#edd923c5 chat_id:int = Bool;
+messages.discardEncryption#f393aea0 flags:# delete_history:flags.0?true chat_id:int = Bool;
 messages.setEncryptedTyping#791451ed peer:InputEncryptedChat typing:Bool = Bool;
 messages.readEncryptedHistory#7f4b690a peer:InputEncryptedChat max_date:int = Bool;
 messages.sendEncrypted#44fa7a15 flags:# silent:flags.0?true peer:InputEncryptedChat random_id:long data:bytes = messages.SentEncryptedMessage;
@@ -1456,6 +1463,12 @@ messages.getReplies#24b581ba peer:InputPeer msg_id:int offset_id:int offset_date
 messages.getDiscussionMessage#446972fd peer:InputPeer msg_id:int = messages.DiscussionMessage;
 messages.readDiscussion#f731a9f4 peer:InputPeer msg_id:int read_max_id:int = Bool;
 messages.unpinAllMessages#f025bc8b peer:InputPeer = messages.AffectedHistory;
+messages.deleteChat#83247d11 chat_id:int = Bool;
+messages.deletePhoneCallHistory#f9cbe409 flags:# revoke:flags.0?true = messages.AffectedFoundMessages;
+messages.checkHistoryImport#43fe19f3 import_head:string = messages.HistoryImportParsed;
+messages.initHistoryImport#34090c3b peer:InputPeer file:InputFile media_count:int = messages.HistoryImport;
+messages.uploadImportedMedia#2a862092 peer:InputPeer import_id:long file_name:string media:InputMedia = MessageMedia;
+messages.startHistoryImport#b43df344 peer:InputPeer import_id:long = Bool;
 
 updates.getState#edd4882a = updates.State;
 updates.getDifference#25939651 flags:# pts:int pts_total_limit:flags.0?int date:int qts:int = updates.Difference;
@@ -1507,7 +1520,7 @@ channels.getParticipants#123e05e9 channel:InputChannel filter:ChannelParticipant
 channels.getParticipant#546dd7a6 channel:InputChannel user_id:InputUser = channels.ChannelParticipant;
 channels.getChannels#a7f6bbb id:Vector<InputChannel> = messages.Chats;
 channels.getFullChannel#8736a09 channel:InputChannel = messages.ChatFull;
-channels.createChannel#3d5fb10f flags:# broadcast:flags.0?true megagroup:flags.1?true title:string about:string geo_point:flags.2?InputGeoPoint address:flags.2?string = Updates;
+channels.createChannel#3d5fb10f flags:# broadcast:flags.0?true megagroup:flags.1?true for_import:flags.3?true title:string about:string geo_point:flags.2?InputGeoPoint address:flags.2?string = Updates;
 channels.editAdmin#d33c8902 channel:InputChannel user_id:InputUser admin_rights:ChatAdminRights rank:string = Updates;
 channels.editTitle#566decd0 channel:InputChannel title:string = Updates;
 channels.editPhoto#f12e57c9 channel:InputChannel photo:InputChatPhoto = Updates;
@@ -1564,7 +1577,7 @@ phone.sendSignalingData#ff7a9383 peer:InputPhoneCall data:bytes = Bool;
 phone.createGroupCall#bd3dabe0 peer:InputPeer random_id:int = Updates;
 phone.joinGroupCall#5f9c8e62 flags:# muted:flags.0?true call:InputGroupCall params:DataJSON = Updates;
 phone.leaveGroupCall#500377f9 call:InputGroupCall source:int = Updates;
-phone.editGroupCallMember#63146ae4 flags:# muted:flags.0?true call:InputGroupCall user_id:InputUser = Updates;
+phone.editGroupCallMember#a5e76cd8 flags:# muted:flags.0?true call:InputGroupCall user_id:InputUser volume:flags.1?int = Updates;
 phone.inviteToGroupCall#7b393160 call:InputGroupCall users:Vector<InputUser> = Updates;
 phone.discardGroupCall#7a777135 call:InputGroupCall = Updates;
 phone.toggleGroupCallSettings#74bbb43d flags:# call:InputGroupCall join_muted:flags.0?Bool = Updates;
@@ -1587,4 +1600,4 @@ stats.getMegagroupStats#dcdf8607 flags:# dark:flags.0?true channel:InputChannel
 stats.getMessagePublicForwards#5630281b channel:InputChannel msg_id:int offset_rate:int offset_peer:InputPeer offset_id:int limit:int = messages.Messages;
 stats.getMessageStats#b6e0a3f5 flags:# dark:flags.0?true channel:InputChannel msg_id:int = stats.MessageStats;
 
-// LAYER 122
+// LAYER 123

Telegram/Resources/uwp/AppX/AppxManifest.xml

@@ -9,7 +9,7 @@
   <Identity Name="TelegramMessengerLLP.TelegramDesktop"
     ProcessorArchitecture="ARCHITECTURE"
     Publisher="CN=536BC709-8EE1-4478-AF22-F0F0F26FF64A"
-    Version="2.5.2.0" />
+    Version="2.5.7.0" />
   <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 2,5,2,0
- PRODUCTVERSION 2,5,2,0
+ FILEVERSION 2,5,7,0
+ PRODUCTVERSION 2,5,7,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -62,10 +62,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop"
-            VALUE "FileVersion", "2.5.2.0"
-            VALUE "LegalCopyright", "Copyright (C) 2014-2020"
+            VALUE "FileVersion", "2.5.7.0"
+            VALUE "LegalCopyright", "Copyright (C) 2014-2021"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "2.5.2.0"
+            VALUE "ProductVersion", "2.5.7.0"
         END
     END
     BLOCK "VarFileInfo"

Telegram/Resources/winrc/Updater.rc

@@ -35,8 +35,8 @@ LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
 //
 
 VS_VERSION_INFO VERSIONINFO
- FILEVERSION 2,5,2,0
- PRODUCTVERSION 2,5,2,0
+ FILEVERSION 2,5,7,0
+ PRODUCTVERSION 2,5,7,0
  FILEFLAGSMASK 0x3fL
 #ifdef _DEBUG
  FILEFLAGS 0x1L
@@ -53,10 +53,10 @@ BEGIN
         BEGIN
             VALUE "CompanyName", "Telegram FZ-LLC"
             VALUE "FileDescription", "Telegram Desktop Updater"
-            VALUE "FileVersion", "2.5.2.0"
-            VALUE "LegalCopyright", "Copyright (C) 2014-2020"
+            VALUE "FileVersion", "2.5.7.0"
+            VALUE "LegalCopyright", "Copyright (C) 2014-2021"
             VALUE "ProductName", "Telegram Desktop"
-            VALUE "ProductVersion", "2.5.2.0"
+            VALUE "ProductVersion", "2.5.7.0"
         END
     END
     BLOCK "VarFileInfo"

Telegram/SourceFiles/_other/packer.cpp

@@ -149,6 +149,7 @@ int main(int argc, char *argv[])
 	QString remove;
 	int version = 0;
 	bool targetosx = false;
+	bool targetwin64 = false;
 	QFileInfoList files;
 	for (int i = 0; i < argc; ++i) {
 		if (string("-path") == argv[i] && i + 1 < argc) {
@@ -158,6 +159,7 @@ int main(int argc, char *argv[])
 			if (remove.isEmpty()) remove = info.canonicalPath() + "/";
 		} else if (string("-target") == argv[i] && i + 1 < argc) {
 			targetosx = (string("osx") == argv[i + 1]);
+			targetwin64 = (string("win64") == argv[i + 1]);
 		} else if (string("-version") == argv[i] && i + 1 < argc) {
 			version = QString(argv[i + 1]).toInt();
 		} else if (string("-beta") == argv[i]) {
@@ -464,7 +466,7 @@ int main(int argc, char *argv[])
 	cout << "Signature verified!\n";
 	RSA_free(pbKey);
 #ifdef Q_OS_WIN
-	QString outName(QString("tupdate%1").arg(AlphaVersion ? AlphaVersion : version));
+	QString outName((targetwin64 ? QString("tx64upd%1") : QString("tupdate%1")).arg(AlphaVersion ? AlphaVersion : version));
 #elif defined Q_OS_MAC
 	QString outName((targetosx ? QString("tosxupd%1") : QString("tmacupd%1")).arg(AlphaVersion ? AlphaVersion : version));
 #elif defined Q_OS_UNIX

Telegram/SourceFiles/api/api_invite_links.cpp

@@ -0,0 +1,631 @@
+/*
+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 "api/api_invite_links.h"
+
+#include "data/data_peer.h"
+#include "data/data_chat.h"
+#include "data/data_channel.h"
+#include "data/data_session.h"
+#include "data/data_changes.h"
+#include "main/main_session.h"
+#include "apiwrap.h"
+
+namespace Api {
+namespace {
+
+constexpr auto kFirstPage = 10;
+constexpr auto kPerPage = 50;
+constexpr auto kJoinedFirstPage = 10;
+
+void BringPermanentToFront(PeerInviteLinks &links) {
+	auto &list = links.links;
+	const auto i = ranges::find_if(list, [](const InviteLink &link) {
+		return link.permanent && !link.revoked;
+	});
+	if (i != end(list) && i != begin(list)) {
+		ranges::rotate(begin(list), i, i + 1);
+	}
+}
+
+void RemovePermanent(PeerInviteLinks &links) {
+	auto &list = links.links;
+	list.erase(ranges::remove_if(list, [](const InviteLink &link) {
+		return link.permanent && !link.revoked;
+	}), end(list));
+}
+
+} // namespace
+
+// #TODO links
+//JoinedByLinkSlice ParseJoinedByLinkSlice(
+//		not_null<PeerData*> peer,
+//		const MTPmessages_ChatInviteImporters &slice) {
+//	auto result = JoinedByLinkSlice();
+//	slice.match([&](const MTPDmessages_chatInviteImporters &data) {
+//		auto &owner = peer->session().data();
+//		owner.processUsers(data.vusers());
+//		result.count = data.vcount().v;
+//		result.users.reserve(data.vimporters().v.size());
+//		for (const auto importer : data.vimporters().v) {
+//			importer.match([&](const MTPDchatInviteImporter &data) {
+//				result.users.push_back({
+//					.user = owner.user(data.vuser_id().v),
+//					.date = data.vdate().v,
+//				});
+//			});
+//		}
+//	});
+//	return result;
+//}
+
+InviteLinks::InviteLinks(not_null<ApiWrap*> api) : _api(api) {
+}
+
+void InviteLinks::create(
+		not_null<PeerData*> peer,
+		Fn<void(Link)> done,
+		TimeId expireDate,
+		int usageLimit) {
+	performCreate(peer, std::move(done), false, expireDate, usageLimit);
+}
+
+void InviteLinks::performCreate(
+		not_null<PeerData*> peer,
+		Fn<void(Link)> done,
+		bool revokeLegacyPermanent,
+		TimeId expireDate,
+		int usageLimit) {
+	if (const auto i = _createCallbacks.find(peer)
+		; i != end(_createCallbacks)) {
+		if (done) {
+			i->second.push_back(std::move(done));
+		}
+		return;
+	}
+	auto &callbacks = _createCallbacks[peer];
+	if (done) {
+		callbacks.push_back(std::move(done));
+	}
+
+	// #TODO links
+	//using Flag = MTPmessages_ExportChatInvite::Flag;
+	//_api->request(MTPmessages_ExportChatInvite(
+	//	MTP_flags((revokeLegacyPermanent
+	//		? Flag::f_legacy_revoke_permanent
+	//		: Flag(0))
+	//		| (expireDate ? Flag::f_expire_date : Flag(0))
+	//		| (usageLimit ? Flag::f_usage_limit : Flag(0))),
+	//	peer->input,
+	//	MTP_int(expireDate),
+	//	MTP_int(usageLimit)
+	_api->request(MTPmessages_ExportChatInvite(
+		peer->input
+	)).done([=](const MTPExportedChatInvite &result) {
+		const auto callbacks = _createCallbacks.take(peer);
+		const auto link = prepend(peer, result);
+		if (callbacks) {
+			for (const auto &callback : *callbacks) {
+				callback(link);
+			}
+		}
+	}).fail([=](const RPCError &error) {
+		_createCallbacks.erase(peer);
+	}).send();
+}
+
+auto InviteLinks::lookupPermanent(not_null<PeerData*> peer) -> Link* {
+	auto i = _firstSlices.find(peer);
+	return (i != end(_firstSlices)) ? lookupPermanent(i->second) : nullptr;
+}
+
+auto InviteLinks::lookupPermanent(Links &links) -> Link* {
+	const auto first = links.links.begin();
+	return (first != end(links.links) && first->permanent && !first->revoked)
+		? &*first
+		: nullptr;
+}
+
+auto InviteLinks::lookupPermanent(const Links &links) const -> const Link* {
+	const auto first = links.links.begin();
+	return (first != end(links.links) && first->permanent && !first->revoked)
+		? &*first
+		: nullptr;
+}
+
+auto InviteLinks::prepend(
+		not_null<PeerData*> peer,
+		const MTPExportedChatInvite &invite) -> Link {
+	const auto link = parse(peer, invite);
+	auto i = _firstSlices.find(peer);
+	if (i == end(_firstSlices)) {
+		i = _firstSlices.emplace(peer).first;
+	}
+	auto &links = i->second;
+	const auto permanent = lookupPermanent(links);
+	const auto hadPermanent = (permanent != nullptr);
+	auto updateOldPermanent = Update{ .peer = peer };
+	if (link.permanent && hadPermanent) {
+		updateOldPermanent.was = permanent->link;
+		updateOldPermanent.now = *permanent;
+		updateOldPermanent.now->revoked = true;
+		links.links.erase(begin(links.links));
+		if (links.count > 0) {
+			--links.count;
+		}
+	}
+	// Must not dereference 'permanent' pointer after that.
+
+	++links.count;
+	if (hadPermanent && !link.permanent) {
+		links.links.insert(begin(links.links) + 1, link);
+	} else {
+		links.links.insert(begin(links.links), link);
+	}
+
+	if (link.permanent) {
+		editPermanentLink(peer, link.link);
+	}
+	notify(peer);
+
+	if (updateOldPermanent.now) {
+		_updates.fire(std::move(updateOldPermanent));
+	}
+	_updates.fire(Update{ .peer = peer, .now = link });
+	return link;
+}
+
+void InviteLinks::edit(
+		not_null<PeerData*> peer,
+		const QString &link,
+		TimeId expireDate,
+		int usageLimit,
+		Fn<void(Link)> done) {
+	performEdit(peer, link, std::move(done), false, expireDate, usageLimit);
+}
+
+void InviteLinks::performEdit(
+		not_null<PeerData*> peer,
+		const QString &link,
+		Fn<void(Link)> done,
+		bool revoke,
+		TimeId expireDate,
+		int usageLimit) {
+	const auto key = LinkKey{ peer, link };
+	if (_deleteCallbacks.contains(key)) {
+		return;
+	} else if (const auto i = _editCallbacks.find(key)
+		; i != end(_editCallbacks)) {
+		if (done) {
+			i->second.push_back(std::move(done));
+		}
+		return;
+	}
+
+	if (const auto permanent = revoke ? lookupPermanent(peer) : nullptr) {
+		if (permanent->link == link) {
+			// In case of revoking a permanent link
+			// we should just create a new one instead.
+			performCreate(peer, std::move(done), true);
+			return;
+		}
+	}
+
+	auto &callbacks = _editCallbacks[key];
+	if (done) {
+		callbacks.push_back(std::move(done));
+	}
+	// #TODO links
+	//using Flag = MTPmessages_EditExportedChatInvite::Flag;
+	//_api->request(MTPmessages_EditExportedChatInvite(
+	//	MTP_flags((revoke ? Flag::f_revoked : Flag(0))
+	//		| ((!revoke && expireDate) ? Flag::f_expire_date : Flag(0))
+	//		| ((!revoke && usageLimit) ? Flag::f_usage_limit : Flag(0))),
+	//	peer->input,
+	//	MTP_string(link),
+	//	MTP_int(expireDate),
+	//	MTP_int(usageLimit)
+	//)).done([=](const MTPmessages_ExportedChatInvite &result) {
+	//	const auto callbacks = _editCallbacks.take(key);
+	//	const auto peer = key.peer;
+	//	result.match([&](const MTPDmessages_exportedChatInvite &data) {
+	//		_api->session().data().processUsers(data.vusers());
+	//		const auto link = parse(peer, data.vinvite());
+	//		auto i = _firstSlices.find(peer);
+	//		if (i != end(_firstSlices)) {
+	//			const auto j = ranges::find(
+	//				i->second.links,
+	//				key.link,
+	//				&Link::link);
+	//			if (j != end(i->second.links)) {
+	//				if (link.revoked && !j->revoked) {
+	//					i->second.links.erase(j);
+	//					if (i->second.count > 0) {
+	//						--i->second.count;
+	//					}
+	//				} else {
+	//					*j = link;
+	//				}
+	//			}
+	//		}
+	//		for (const auto &callback : *callbacks) {
+	//			callback(link);
+	//		}
+	//		_updates.fire(Update{
+	//			.peer = peer,
+	//			.was = key.link,
+	//			.now = link,
+	//		});
+	//	});
+	//}).fail([=](const RPCError &error) {
+	//	_editCallbacks.erase(key);
+	//}).send();
+}
+
+void InviteLinks::revoke(
+		not_null<PeerData*> peer,
+		const QString &link,
+		Fn<void(Link)> done) {
+	performEdit(peer, link, std::move(done), true);
+}
+
+void InviteLinks::revokePermanent(
+		not_null<PeerData*> peer,
+		Fn<void(Link)> done) {
+	performCreate(peer, std::move(done), true);
+}
+
+void InviteLinks::destroy(
+		not_null<PeerData*> peer,
+		const QString &link,
+		Fn<void()> done) {
+	const auto key = LinkKey{ peer, link };
+
+	if (const auto i = _deleteCallbacks.find(key)
+		; i != end(_deleteCallbacks)) {
+		if (done) {
+			i->second.push_back(std::move(done));
+		}
+		return;
+	}
+
+	auto &callbacks = _deleteCallbacks[key];
+	if (done) {
+		callbacks.push_back(std::move(done));
+	}
+	// #TODO links
+	//_api->request(MTPmessages_DeleteExportedChatInvite(
+	//	peer->input,
+	//	MTP_string(link)
+	//)).done([=](const MTPBool &result) {
+	//	const auto callbacks = _deleteCallbacks.take(key);
+	//	if (callbacks) {
+	//		for (const auto &callback : *callbacks) {
+	//			callback();
+	//		}
+	//	}
+	//	_updates.fire(Update{
+	//		.peer = peer,
+	//		.was = key.link,
+	//	});
+	//}).fail([=](const RPCError &error) {
+	//	_deleteCallbacks.erase(key);
+	//}).send();
+}
+
+void InviteLinks::destroyAllRevoked(
+		not_null<PeerData*> peer,
+		Fn<void()> done) {
+	if (const auto i = _deleteRevokedCallbacks.find(peer)
+		; i != end(_deleteRevokedCallbacks)) {
+		if (done) {
+			i->second.push_back(std::move(done));
+		}
+		return;
+	}
+	auto &callbacks = _deleteRevokedCallbacks[peer];
+	if (done) {
+		callbacks.push_back(std::move(done));
+	}
+	// #TODO links
+	//_api->request(MTPmessages_DeleteRevokedExportedChatInvites(
+	//	peer->input
+	//)).done([=](const MTPBool &result) {
+	//	if (const auto callbacks = _deleteRevokedCallbacks.take(peer)) {
+	//		for (const auto &callback : *callbacks) {
+	//			callback();
+	//		}
+	//	}
+	//	_allRevokedDestroyed.fire_copy(peer);
+	//}).fail([=](const RPCError &error) {
+	//}).send();
+}
+
+void InviteLinks::requestLinks(not_null<PeerData*> peer) {
+	if (_firstSliceRequests.contains(peer)) {
+		return;
+	}
+	// #TODO links
+	//const auto requestId = _api->request(MTPmessages_GetExportedChatInvites(
+	//	MTP_flags(0),
+	//	peer->input,
+	//	MTPInputUser(), // admin_id
+	//	MTPint(), // offset_date
+	//	MTPstring(), // offset_link
+	//	MTP_int(kFirstPage)
+	//)).done([=](const MTPmessages_ExportedChatInvites &result) {
+	//	_firstSliceRequests.remove(peer);
+	//	auto slice = parseSlice(peer, result);
+	//	auto i = _firstSlices.find(peer);
+	//	const auto permanent = (i != end(_firstSlices))
+	//		? lookupPermanent(i->second)
+	//		: nullptr;
+	//	if (!permanent) {
+	//		BringPermanentToFront(slice);
+	//		const auto j = _firstSlices.emplace_or_assign(
+	//			peer,
+	//			std::move(slice)).first;
+	//		if (const auto permanent = lookupPermanent(j->second)) {
+	//			editPermanentLink(peer, permanent->link);
+	//		}
+	//	} else {
+	//		RemovePermanent(slice);
+	//		auto &existing = i->second.links;
+	//		existing.erase(begin(existing) + 1, end(existing));
+	//		existing.insert(
+	//			end(existing),
+	//			begin(slice.links),
+	//			end(slice.links));
+	//		i->second.count = std::max(slice.count, int(existing.size()));
+	//	}
+	//	notify(peer);
+	//}).fail([=](const RPCError &error) {
+	//	_firstSliceRequests.remove(peer);
+	//}).send();
+	//_firstSliceRequests.emplace(peer, requestId);
+}
+
+std::optional<JoinedByLinkSlice> InviteLinks::lookupJoinedFirstSlice(
+		LinkKey key) const {
+	const auto i = _firstJoined.find(key);
+	return (i != end(_firstJoined))
+		? std::make_optional(i->second)
+		: std::nullopt;
+}
+
+std::optional<JoinedByLinkSlice> InviteLinks::joinedFirstSliceLoaded(
+		not_null<PeerData*> peer,
+		const QString &link) const {
+	return lookupJoinedFirstSlice({ peer, link });
+}
+
+rpl::producer<JoinedByLinkSlice> InviteLinks::joinedFirstSliceValue(
+		not_null<PeerData*> peer,
+		const QString &link,
+		int fullCount) {
+	const auto key = LinkKey{ peer, link };
+	auto current = lookupJoinedFirstSlice(key).value_or(JoinedByLinkSlice());
+	if (current.count == fullCount
+		&& (!fullCount || !current.users.empty())) {
+		return rpl::single(current);
+	}
+	current.count = fullCount;
+	const auto remove = int(current.users.size()) - current.count;
+	if (remove > 0) {
+		current.users.erase(end(current.users) - remove, end(current.users));
+	}
+	requestJoinedFirstSlice(key);
+	using namespace rpl::mappers;
+	return rpl::single(
+		current
+	) | rpl::then(_joinedFirstSliceLoaded.events(
+	) | rpl::filter(
+		_1 == key
+	) | rpl::map([=] {
+		return lookupJoinedFirstSlice(key).value_or(JoinedByLinkSlice());
+	}));
+}
+
+auto InviteLinks::updates(
+		not_null<PeerData*> peer) const -> rpl::producer<Update> {
+	return _updates.events() | rpl::filter([=](const Update &update) {
+		return update.peer == peer;
+	});
+}
+
+rpl::producer<> InviteLinks::allRevokedDestroyed(
+		not_null<PeerData*> peer) const {
+	using namespace rpl::mappers;
+	return _allRevokedDestroyed.events(
+	) | rpl::filter(
+		_1 == peer
+	) | rpl::to_empty;
+}
+
+void InviteLinks::requestJoinedFirstSlice(LinkKey key) {
+	//if (_firstJoinedRequests.contains(key)) { // #TODO links
+	//	return;
+	//}
+	//const auto requestId = _api->request(MTPmessages_GetChatInviteImporters(
+	//	key.peer->input,
+	//	MTP_string(key.link),
+	//	MTP_int(0), // offset_date
+	//	MTP_inputUserEmpty(), // offset_user
+	//	MTP_int(kJoinedFirstPage)
+	//)).done([=](const MTPmessages_ChatInviteImporters &result) {
+	//	_firstJoinedRequests.remove(key);
+	//	_firstJoined[key] = ParseJoinedByLinkSlice(key.peer, result);
+	//	_joinedFirstSliceLoaded.fire_copy(key);
+	//}).fail([=](const RPCError &error) {
+	//	_firstJoinedRequests.remove(key);
+	//}).send();
+	//_firstJoinedRequests.emplace(key, requestId);
+}
+
+void InviteLinks::setPermanent(
+		not_null<PeerData*> peer,
+		const MTPExportedChatInvite &invite) {
+	auto link = parse(peer, invite);
+	if (!link.permanent) {
+		LOG(("API Error: "
+			"InviteLinks::setPermanent called with non-permanent link."));
+		return;
+	}
+	auto i = _firstSlices.find(peer);
+	if (i == end(_firstSlices)) {
+		i = _firstSlices.emplace(peer).first;
+	}
+	auto &links = i->second;
+	auto updateOldPermanent = Update{ .peer = peer };
+	if (const auto permanent = lookupPermanent(links)) {
+		if (permanent->link == link.link) {
+			if (permanent->usage != link.usage) {
+				permanent->usage = link.usage;
+				_updates.fire(Update{
+					.peer = peer,
+					.was = link.link,
+					.now = *permanent
+				});
+			}
+			return;
+		}
+		updateOldPermanent.was = permanent->link;
+		updateOldPermanent.now = *permanent;
+		updateOldPermanent.now->revoked = true;
+		links.links.erase(begin(links.links));
+		if (links.count > 0) {
+			--links.count;
+		}
+	}
+	links.links.insert(begin(links.links), link);
+
+	editPermanentLink(peer, link.link);
+	notify(peer);
+
+	if (updateOldPermanent.now) {
+		_updates.fire(std::move(updateOldPermanent));
+	}
+	_updates.fire(Update{ .peer = peer, .now = link });
+}
+
+void InviteLinks::clearPermanent(not_null<PeerData*> peer) {
+	auto i = _firstSlices.find(peer);
+	if (i == end(_firstSlices)) {
+		return;
+	}
+	auto &links = i->second;
+	const auto permanent = lookupPermanent(links);
+	if (!permanent) {
+		return;
+	}
+
+	auto updateOldPermanent = Update{ .peer = peer };
+	updateOldPermanent.was = permanent->link;
+	updateOldPermanent.now = *permanent;
+	updateOldPermanent.now->revoked = true;
+	links.links.erase(begin(links.links));
+	if (links.count > 0) {
+		--links.count;
+	}
+
+	editPermanentLink(peer, QString());
+	notify(peer);
+
+	if (updateOldPermanent.now) {
+		_updates.fire(std::move(updateOldPermanent));
+	}
+}
+
+void InviteLinks::notify(not_null<PeerData*> peer) {
+	peer->session().changes().peerUpdated(
+		peer,
+		Data::PeerUpdate::Flag::InviteLinks);
+}
+
+auto InviteLinks::links(not_null<PeerData*> peer) const -> const Links & {
+	static const auto kEmpty = Links();
+	const auto i = _firstSlices.find(peer);
+	return (i != end(_firstSlices)) ? i->second : kEmpty;
+}
+// #TODO links
+//auto InviteLinks::parseSlice(
+//		not_null<PeerData*> peer,
+//		const MTPmessages_ExportedChatInvites &slice) const -> Links {
+//	auto i = _firstSlices.find(peer);
+//	const auto permanent = (i != end(_firstSlices))
+//		? lookupPermanent(i->second)
+//		: nullptr;
+//	auto result = Links();
+//	slice.match([&](const MTPDmessages_exportedChatInvites &data) {
+//		peer->session().data().processUsers(data.vusers());
+//		result.count = data.vcount().v;
+//		for (const auto &invite : data.vinvites().v) {
+//			const auto link = parse(peer, invite);
+//			if (!permanent || link.link != permanent->link) {
+//				result.links.push_back(link);
+//			}
+//		}
+//	});
+//	return result;
+//}
+
+auto InviteLinks::parse(
+		not_null<PeerData*> peer,
+		const MTPExportedChatInvite &invite) const -> Link {
+	return invite.match([&](const MTPDchatInviteExported &data) {
+		return Link{
+			.link = qs(data.vlink()),
+			.admin = peer->session().data().user(data.vadmin_id().v),
+			.date = data.vdate().v,
+			.startDate = data.vstart_date().value_or_empty(),
+			.expireDate = data.vexpire_date().value_or_empty(),
+			.usageLimit = data.vusage_limit().value_or_empty(),
+			.usage = data.vusage().value_or_empty(),
+			.permanent = true,//data.is_permanent(), // #TODO links
+			.revoked = data.is_revoked(),
+		};
+	});
+}
+
+void InviteLinks::requestMoreLinks(
+		not_null<PeerData*> peer,
+		TimeId lastDate,
+		const QString &lastLink,
+		bool revoked,
+		Fn<void(Links)> done) {
+	// #TODO links
+	//using Flag = MTPmessages_GetExportedChatInvites::Flag;
+	//_api->request(MTPmessages_GetExportedChatInvites(
+	//	MTP_flags(Flag::f_offset_link
+	//		| (revoked ? Flag::f_revoked : Flag(0))),
+	//	peer->input,
+	//	MTPInputUser(), // admin_id,
+	//	MTP_int(lastDate),
+	//	MTP_string(lastLink),
+	//	MTP_int(kPerPage)
+	//)).done([=](const MTPmessages_ExportedChatInvites &result) {
+	//	auto slice = parseSlice(peer, result);
+	//	RemovePermanent(slice);
+	//	done(std::move(slice));
+	//}).fail([=](const RPCError &error) {
+	//	done(Links());
+	//}).send();
+}
+
+void InviteLinks::editPermanentLink(
+		not_null<PeerData*> peer,
+		const QString &link) {
+	if (const auto chat = peer->asChat()) {
+		chat->setInviteLink(link);
+	} else if (const auto channel = peer->asChannel()) {
+		channel->setInviteLink(link);
+	} else {
+		Unexpected("Peer in InviteLinks::editMainLink.");
+	}
+}
+
+} // namespace Api

Telegram/SourceFiles/api/api_invite_links.h

@@ -0,0 +1,187 @@
+/*
+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 ApiWrap;
+
+namespace Api {
+
+struct InviteLink {
+	QString link;
+	not_null<UserData*> admin;
+	TimeId date = 0;
+	TimeId startDate = 0;
+	TimeId expireDate = 0;
+	int usageLimit = 0;
+	int usage = 0;
+	bool permanent = false;
+	bool revoked = false;
+};
+
+struct PeerInviteLinks {
+	std::vector<InviteLink> links;
+	int count = 0;
+};
+
+struct JoinedByLinkUser {
+	not_null<UserData*> user;
+	TimeId date = 0;
+};
+
+struct JoinedByLinkSlice {
+	std::vector<JoinedByLinkUser> users;
+	int count = 0;
+};
+
+struct InviteLinkUpdate {
+	not_null<PeerData*> peer;
+	QString was;
+	std::optional<InviteLink> now;
+};
+// #TODO links
+//[[nodiscard]] JoinedByLinkSlice ParseJoinedByLinkSlice(
+//	not_null<PeerData*> peer,
+//	const MTPmessages_ChatInviteImporters &slice);
+
+class InviteLinks final {
+public:
+	explicit InviteLinks(not_null<ApiWrap*> api);
+
+	using Link = InviteLink;
+	using Links = PeerInviteLinks;
+	using Update = InviteLinkUpdate;
+
+	void create(
+		not_null<PeerData*> peer,
+		Fn<void(Link)> done = nullptr,
+		TimeId expireDate = 0,
+		int usageLimit = 0);
+	void edit(
+		not_null<PeerData*> peer,
+		const QString &link,
+		TimeId expireDate,
+		int usageLimit,
+		Fn<void(Link)> done = nullptr);
+	void revoke(
+		not_null<PeerData*> peer,
+		const QString &link,
+		Fn<void(Link)> done = nullptr);
+	void revokePermanent(
+		not_null<PeerData*> peer,
+		Fn<void(Link)> done = nullptr);
+	void destroy(
+		not_null<PeerData*> peer,
+		const QString &link,
+		Fn<void()> done = nullptr);
+	void destroyAllRevoked(
+		not_null<PeerData*> peer,
+		Fn<void()> done = nullptr);
+
+	void setPermanent(
+		not_null<PeerData*> peer,
+		const MTPExportedChatInvite &invite);
+	void clearPermanent(not_null<PeerData*> peer);
+
+	void requestLinks(not_null<PeerData*> peer);
+	[[nodiscard]] const Links &links(not_null<PeerData*> peer) const;
+
+	[[nodiscard]] rpl::producer<JoinedByLinkSlice> joinedFirstSliceValue(
+		not_null<PeerData*> peer,
+		const QString &link,
+		int fullCount);
+	[[nodiscard]] std::optional<JoinedByLinkSlice> joinedFirstSliceLoaded(
+		not_null<PeerData*> peer,
+		const QString &link) const;
+	[[nodiscard]] rpl::producer<Update> updates(
+		not_null<PeerData*> peer) const;
+	[[nodiscard]] rpl::producer<> allRevokedDestroyed(
+		not_null<PeerData*> peer) const;
+
+	void requestMoreLinks(
+		not_null<PeerData*> peer,
+		TimeId lastDate,
+		const QString &lastLink,
+		bool revoked,
+		Fn<void(Links)> done);
+
+private:
+	struct LinkKey {
+		not_null<PeerData*> peer;
+		QString link;
+
+		friend inline bool operator<(const LinkKey &a, const LinkKey &b) {
+			return (a.peer == b.peer)
+				? (a.link < b.link)
+				: (a.peer < b.peer);
+		}
+		friend inline bool operator==(const LinkKey &a, const LinkKey &b) {
+			return (a.peer == b.peer) && (a.link == b.link);
+		}
+	};
+
+	// #TODO links
+	//[[nodiscard]] Links parseSlice(
+	//	not_null<PeerData*> peer,
+	//	const MTPmessages_ExportedChatInvites &slice) const;
+	[[nodiscard]] Link parse(
+		not_null<PeerData*> peer,
+		const MTPExportedChatInvite &invite) const;
+	[[nodiscard]] Link *lookupPermanent(not_null<PeerData*> peer);
+	[[nodiscard]] Link *lookupPermanent(Links &links);
+	[[nodiscard]] const Link *lookupPermanent(const Links &links) const;
+	Link prepend(
+		not_null<PeerData*> peer,
+		const MTPExportedChatInvite &invite);
+	void notify(not_null<PeerData*> peer);
+
+	void editPermanentLink(
+		not_null<PeerData*> peer,
+		const QString &link);
+
+	void performEdit(
+		not_null<PeerData*> peer,
+		const QString &link,
+		Fn<void(Link)> done,
+		bool revoke,
+		TimeId expireDate = 0,
+		int usageLimit = 0);
+	void performCreate(
+		not_null<PeerData*> peer,
+		Fn<void(Link)> done,
+		bool revokeLegacyPermanent,
+		TimeId expireDate = 0,
+		int usageLimit = 0);
+
+	void requestJoinedFirstSlice(LinkKey key);
+	[[nodiscard]] std::optional<JoinedByLinkSlice> lookupJoinedFirstSlice(
+		LinkKey key) const;
+
+	const not_null<ApiWrap*> _api;
+
+	base::flat_map<not_null<PeerData*>, Links> _firstSlices;
+	base::flat_map<not_null<PeerData*>, mtpRequestId> _firstSliceRequests;
+
+	base::flat_map<LinkKey, JoinedByLinkSlice> _firstJoined;
+	base::flat_map<LinkKey, mtpRequestId> _firstJoinedRequests;
+	rpl::event_stream<LinkKey> _joinedFirstSliceLoaded;
+
+	base::flat_map<
+		not_null<PeerData*>,
+		std::vector<Fn<void(Link)>>> _createCallbacks;
+	base::flat_map<LinkKey, std::vector<Fn<void(Link)>>> _editCallbacks;
+	base::flat_map<LinkKey, std::vector<Fn<void()>>> _deleteCallbacks;
+	base::flat_map<
+		not_null<PeerData*>,
+		std::vector<Fn<void()>>> _deleteRevokedCallbacks;
+
+	rpl::event_stream<Update> _updates;
+	rpl::event_stream<not_null<PeerData*>> _allRevokedDestroyed;
+
+};
+
+} // namespace Api

Telegram/SourceFiles/api/api_sending.cpp

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_sending.h"
 
 #include "api/api_text_entities.h"
+#include "base/openssl_help.h"
 #include "base/unixtime.h"
 #include "data/data_document.h"
 #include "data/data_photo.h"
@@ -76,7 +77,7 @@ void SendExistingMedia(
 	const auto newId = FullMsgId(
 		peerToChannel(peer->id),
 		session->data().nextLocalMessageId());
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
 	auto clientFlags = NewMessageClientFlags();
@@ -249,7 +250,7 @@ bool SendDice(Api::MessageToSend &message) {
 	const auto newId = FullMsgId(
 		peerToChannel(peer->id),
 		session->data().nextLocalMessageId());
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 
 	auto &histories = history->owner().histories();
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;

Telegram/SourceFiles/apiwrap.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_authorizations.h"
 #include "api/api_attached_stickers.h"
 #include "api/api_hash.h"
+#include "api/api_invite_links.h"
 #include "api/api_media.h"
 #include "api/api_sending.h"
 #include "api/api_text_entities.h"
@@ -194,7 +195,8 @@ ApiWrap::ApiWrap(not_null<Main::Session*> session)
 , _attachedStickers(std::make_unique<Api::AttachedStickers>(this))
 , _selfDestruct(std::make_unique<Api::SelfDestruct>(this))
 , _sensitiveContent(std::make_unique<Api::SensitiveContent>(this))
-, _globalPrivacy(std::make_unique<Api::GlobalPrivacy>(this)) {
+, _globalPrivacy(std::make_unique<Api::GlobalPrivacy>(this))
+, _inviteLinks(std::make_unique<Api::InviteLinks>(this)) {
 	crl::on_main(session, [=] {
 		// You can't use _session->lifetime() in the constructor,
 		// only queued, because it is not constructed yet.
@@ -354,7 +356,7 @@ void ApiWrap::requestTermsUpdate() {
 
 		const auto requestNext = [&](auto &&data) {
 			const auto timeout = (data.vexpires().v - base::unixtime::now());
-			_termsUpdateSendAt = crl::now() + snap(
+			_termsUpdateSendAt = crl::now() + std::clamp(
 				timeout * crl::time(1000),
 				kTermsUpdateTimeoutMin,
 				kTermsUpdateTimeoutMax);
@@ -1712,6 +1714,7 @@ void ApiWrap::kickParticipant(
 		not_null<ChatData*> chat,
 		not_null<UserData*> user) {
 	request(MTPmessages_DeleteChatUser(
+		MTP_flags(0),
 		chat->inputChat,
 		user->inputUser
 	)).done([=](const MTPUpdates &result) {
@@ -2120,33 +2123,6 @@ void ApiWrap::unblockPeer(not_null<PeerData*> peer, Fn<void()> onDone) {
 	_blockRequests.emplace(peer, requestId);
 }
 
-void ApiWrap::exportInviteLink(not_null<PeerData*> peer) {
-	if (_exportInviteRequests.find(peer) != end(_exportInviteRequests)) {
-		return;
-	}
-
-	const auto requestId = [&] {
-		return request(MTPmessages_ExportChatInvite(
-			peer->input
-		)).done([=](const MTPExportedChatInvite &result) {
-			_exportInviteRequests.erase(peer);
-			const auto link = (result.type() == mtpc_chatInviteExported)
-				? qs(result.c_chatInviteExported().vlink())
-				: QString();
-			if (const auto chat = peer->asChat()) {
-				chat->setInviteLink(link);
-			} else if (const auto channel = peer->asChannel()) {
-				channel->setInviteLink(link);
-			} else {
-				Unexpected("Peer in ApiWrap::exportInviteLink.");
-			}
-		}).fail([=](const RPCError &error) {
-			_exportInviteRequests.erase(peer);
-		}).send();
-	}();
-	_exportInviteRequests.emplace(peer, requestId);
-}
-
 void ApiWrap::requestNotifySettings(const MTPInputNotifyPeer &peer) {
 	const auto key = [&] {
 		switch (peer.type()) {
@@ -2329,6 +2305,7 @@ void ApiWrap::clearHistory(not_null<PeerData*> peer, bool revoke) {
 void ApiWrap::deleteConversation(not_null<PeerData*> peer, bool revoke) {
 	if (const auto chat = peer->asChat()) {
 		request(MTPmessages_DeleteChatUser(
+			MTP_flags(0),
 			chat->inputChat,
 			_session->user()->inputUser
 		)).done([=](const MTPUpdates &result) {
@@ -2373,14 +2350,14 @@ void ApiWrap::deleteHistory(
 		deleteTillId = history->lastMessage()->id;
 	}
 	if (const auto channel = peer->asChannel()) {
-		if (!justClear) {
+		if (!justClear && !revoke) {
 			channel->ptsWaitingForShortPoll(-1);
 			leaveChannel(channel);
 		} else {
 			if (const auto migrated = peer->migrateFrom()) {
 				deleteHistory(migrated, justClear, revoke);
 			}
-			if (IsServerMsgId(deleteTillId)) {
+			if (IsServerMsgId(deleteTillId) || (!justClear && revoke)) {
 				history->owner().histories().deleteAllMessages(
 					history,
 					deleteTillId,
@@ -2409,10 +2386,10 @@ void ApiWrap::applyUpdates(
 }
 
 int ApiWrap::applyAffectedHistory(
-		not_null<PeerData*> peer,
+		PeerData *peer,
 		const MTPmessages_AffectedHistory &result) {
 	const auto &data = result.c_messages_affectedHistory();
-	if (const auto channel = peer->asChannel()) {
+	if (const auto channel = peer ? peer->asChannel() : nullptr) {
 		channel->ptsUpdateAndApply(data.vpts().v, data.vpts_count().v);
 	} else {
 		updates().updateAndApply(data.vpts().v, data.vpts_count().v);
@@ -4025,7 +4002,7 @@ void ApiWrap::forwardMessages(
 	ids.reserve(count);
 	randomIds.reserve(count);
 	for (const auto item : items) {
-		const auto randomId = rand_value<uint64>();
+		const auto randomId = openssl::RandomValue<uint64>();
 		if (genClientSideMessage) {
 			if (const auto message = item->toHistoryMessage()) {
 				const auto newId = FullMsgId(
@@ -4348,7 +4325,7 @@ void ApiWrap::sendMessage(MessageToSend &&message) {
 		auto newId = FullMsgId(
 			peerToChannel(peer->id),
 			_session->data().nextLocalMessageId());
-		auto randomId = rand_value<uint64>();
+		auto randomId = openssl::RandomValue<uint64>();
 
 		TextUtilities::Trim(sending);
 
@@ -4481,7 +4458,7 @@ void ApiWrap::sendBotStart(not_null<UserData*> bot, PeerData *chat) {
 		sendMessage(std::move(message));
 		return;
 	}
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 	request(MTPmessages_StartBot(
 		bot->inputUser,
 		chat ? chat->input : MTP_inputPeerEmpty(),
@@ -4507,7 +4484,7 @@ void ApiWrap::sendInlineResult(
 	const auto newId = FullMsgId(
 		peerToChannel(peer->id),
 		_session->data().nextLocalMessageId());
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 
 	auto flags = NewMessageFlags(peer) | MTPDmessage::Flag::f_media;
 	auto clientFlags = NewMessageClientFlags();
@@ -4659,7 +4636,7 @@ void ApiWrap::sendMedia(
 		not_null<HistoryItem*> item,
 		const MTPInputMedia &media,
 		Api::SendOptions options) {
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 	_session->data().registerMessageRandomId(randomId, item->fullId());
 
 	sendMediaWithRandomId(item, media, options, randomId);
@@ -4727,7 +4704,7 @@ void ApiWrap::sendAlbumWithUploaded(
 		const MessageGroupId &groupId,
 		const MTPInputMedia &media) {
 	const auto localId = item->fullId();
-	const auto randomId = rand_value<uint64>();
+	const auto randomId = openssl::RandomValue<uint64>();
 	_session->data().registerMessageRandomId(randomId, localId);
 
 	const auto albumIt = _sendingAlbums.find(groupId.raw());
@@ -5240,6 +5217,10 @@ Api::GlobalPrivacy &ApiWrap::globalPrivacy() {
 	return *_globalPrivacy;
 }
 
+Api::InviteLinks &ApiWrap::inviteLinks() {
+	return *_inviteLinks;
+}
+
 void ApiWrap::createPoll(
 		const PollData &data,
 		const SendAction &action,
@@ -5275,7 +5256,7 @@ void ApiWrap::createPoll(
 			MTP_int(replyTo),
 			PollDataToInputMedia(&data),
 			MTP_string(),
-			MTP_long(rand_value<uint64>()),
+			MTP_long(openssl::RandomValue<uint64>()),
 			MTPReplyMarkup(),
 			MTPVector<MTPMessageEntity>(),
 			MTP_int(action.options.scheduled)

Telegram/SourceFiles/apiwrap.h

@@ -60,6 +60,7 @@ class AttachedStickers;
 class SelfDestruct;
 class SensitiveContent;
 class GlobalPrivacy;
+class InviteLinks;
 
 namespace details {
 
@@ -153,7 +154,7 @@ public:
 		const MTPUpdates &updates,
 		uint64 sentMessageRandomId = 0);
 	int applyAffectedHistory(
-		not_null<PeerData*> peer,
+		PeerData *peer, // May be nullptr, like for deletePhoneCallHistory.
 		const MTPmessages_AffectedHistory &result);
 
 	void registerModifyRequest(const QString &key, mtpRequestId requestId);
@@ -289,7 +290,6 @@ public:
 	void blockPeer(not_null<PeerData*> peer);
 	void unblockPeer(not_null<PeerData*> peer, Fn<void()> onDone = nullptr);
 
-	void exportInviteLink(not_null<PeerData*> peer);
 	void requestNotifySettings(const MTPInputNotifyPeer &peer);
 	void updateNotifySettingsDelayed(not_null<const PeerData*> peer);
 	void saveDraftToCloudDelayed(not_null<History*> history);
@@ -464,6 +464,7 @@ public:
 	[[nodiscard]] Api::SelfDestruct &selfDestruct();
 	[[nodiscard]] Api::SensitiveContent &sensitiveContent();
 	[[nodiscard]] Api::GlobalPrivacy &globalPrivacy();
+	[[nodiscard]] Api::InviteLinks &inviteLinks();
 
 	void createPoll(
 		const PollData &data,
@@ -701,7 +702,6 @@ private:
 
 	QMap<ChannelData*, mtpRequestId> _channelAmInRequests;
 	base::flat_map<not_null<PeerData*>, mtpRequestId> _blockRequests;
-	base::flat_map<not_null<PeerData*>, mtpRequestId> _exportInviteRequests;
 	base::flat_map<PeerId, mtpRequestId> _notifySettingRequests;
 	base::flat_map<not_null<History*>, mtpRequestId> _draftsSaveRequestIds;
 	base::Timer _draftsSaveTimer;
@@ -828,6 +828,7 @@ private:
 	const std::unique_ptr<Api::SelfDestruct> _selfDestruct;
 	const std::unique_ptr<Api::SensitiveContent> _sensitiveContent;
 	const std::unique_ptr<Api::GlobalPrivacy> _globalPrivacy;
+	const std::unique_ptr<Api::InviteLinks> _inviteLinks;
 
 	base::flat_map<FullMsgId, mtpRequestId> _pollVotesRequestIds;
 	base::flat_map<FullMsgId, mtpRequestId> _pollCloseRequestIds;

Telegram/SourceFiles/boxes/add_contact_box.cpp

@@ -10,6 +10,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "mtproto/sender.h"
 #include "base/flat_set.h"
+#include "base/openssl_help.h"
 #include "boxes/confirm_box.h"
 #include "boxes/confirm_phone_box.h" // ExtractPhonePrefix.
 #include "boxes/photo_crop_box.h"
@@ -39,6 +40,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mainwidget.h"
 #include "mainwindow.h"
 #include "apiwrap.h"
+#include "api/api_invite_links.h"
 #include "main/main_session.h"
 #include "facades.h"
 #include "styles/style_layers.h"
@@ -382,7 +384,7 @@ void AddContactBox::save() {
 		lastName = QString();
 	}
 	_sentName = firstName;
-	_contactId = rand_value<uint64>();
+	_contactId = openssl::RandomValue<uint64>();
 	_addRequest = _session->api().request(MTPcontacts_ImportContacts(
 		MTP_vector<MTPInputContact>(
 			1,
@@ -612,7 +614,9 @@ void GroupInfoBox::createGroup(
 }
 
 void GroupInfoBox::submit() {
-	if (_creationRequestId) return;
+	if (_creationRequestId || _creatingInviteLink) {
+		return;
+	}
 
 	auto title = TextUtilities::PrepareForSending(_title->getLastText());
 	auto description = _description
@@ -651,6 +655,8 @@ void GroupInfoBox::submit() {
 }
 
 void GroupInfoBox::createChannel(const QString &title, const QString &description) {
+	Expects(!_creationRequestId);
+
 	const auto flags = (_type == Type::Megagroup)
 		? MTPchannels_CreateChannel::Flag::f_megagroup
 		: MTPchannels_CreateChannel::Flag::f_broadcast;
@@ -691,25 +697,7 @@ void GroupInfoBox::createChannel(const QString &title, const QString &descriptio
 						std::move(image));
 				}
 				_createdChannel = channel;
-				_creationRequestId = _api.request(MTPmessages_ExportChatInvite(
-					_createdChannel->input
-				)).done([=](const MTPExportedChatInvite &result) {
-					_creationRequestId = 0;
-					if (result.type() == mtpc_chatInviteExported) {
-						auto link = qs(result.c_chatInviteExported().vlink());
-						_createdChannel->setInviteLink(link);
-					}
-					if (_channelDone) {
-						const auto callback = _channelDone;
-						const auto argument = _createdChannel;
-						closeBox();
-						callback(argument);
-					} else {
-						Ui::show(Box<SetupChannelBox>(
-							_navigation,
-							_createdChannel));
-					}
-				}).send();
+				checkInviteLink();
 			};
 		if (!success) {
 			LOG(("API Error: channel not found in updates (GroupInfoBox::creationDone)"));
@@ -728,6 +716,32 @@ void GroupInfoBox::createChannel(const QString &title, const QString &descriptio
 	}).send();
 }
 
+void GroupInfoBox::checkInviteLink() {
+	Expects(_createdChannel != nullptr);
+
+	if (!_createdChannel->inviteLink().isEmpty()) {
+		channelReady();
+		return;
+	}
+	_creatingInviteLink = true;
+	_createdChannel->session().api().inviteLinks().create(
+		_createdChannel,
+		crl::guard(this, [=](auto&&) { channelReady(); }));
+}
+
+void GroupInfoBox::channelReady() {
+	if (_channelDone) {
+		const auto callback = _channelDone;
+		const auto argument = _createdChannel;
+		closeBox();
+		callback(argument);
+	} else {
+		Ui::show(Box<SetupChannelBox>(
+			_navigation,
+			_createdChannel));
+	}
+}
+
 void GroupInfoBox::descriptionResized() {
 	updateMaxHeight();
 	update();
@@ -829,7 +843,7 @@ void SetupChannelBox::prepare() {
 
 	_channel->session().changes().peerUpdates(
 		_channel,
-		Data::PeerUpdate::Flag::InviteLink
+		Data::PeerUpdate::Flag::InviteLinks
 	) | rpl::start_with_next([=] {
 		rtlupdate(_invitationLink);
 	}, lifetime());
@@ -938,7 +952,7 @@ void SetupChannelBox::mouseMoveEvent(QMouseEvent *e) {
 void SetupChannelBox::mousePressEvent(QMouseEvent *e) {
 	if (_linkOver) {
 		if (_channel->inviteLink().isEmpty()) {
-			_channel->session().api().exportInviteLink(_channel);
+			_channel->session().api().inviteLinks().create(_channel);
 		} else {
 			QGuiApplication::clipboard()->setText(_channel->inviteLink());
 			Ui::Toast::Show(tr::lng_create_channel_link_copied(tr::now));

Telegram/SourceFiles/boxes/add_contact_box.h

@@ -121,6 +121,8 @@ private:
 	void createGroup(not_null<PeerListBox*> selectUsersBox, const QString &title, const std::vector<not_null<PeerData*>> &users);
 	void submitName();
 	void submit();
+	void checkInviteLink();
+	void channelReady();
 
 	void descriptionResized();
 	void updateMaxHeight();
@@ -138,6 +140,7 @@ private:
 
 	// group / channel creation
 	mtpRequestId _creationRequestId = 0;
+	bool _creatingInviteLink = false;
 	ChannelData *_createdChannel = nullptr;
 
 };

Telegram/SourceFiles/boxes/boxes.style

@@ -905,3 +905,32 @@ pollResultsShowMore: SettingsButton(defaultSettingsButton) {
 
 	ripple: defaultRippleAnimation;
 }
+
+scheduleHeight: 95px;
+scheduleDateTop: 38px;
+scheduleDateField: InputField(defaultInputField) {
+	textMargins: margins(2px, 0px, 2px, 0px);
+	placeholderScale: 0.;
+	heightMin: 30px;
+	textAlign: align(top);
+	font: font(14px);
+}
+scheduleTimeField: InputField(scheduleDateField) {
+	border: 0px;
+	borderActive: 0px;
+	heightMin: 28px;
+	placeholderFont: font(14px);
+	placeholderFgActive: placeholderFgActive;
+}
+scheduleDateWidth: 136px;
+scheduleTimeWidth: 72px;
+scheduleAtSkip: 24px;
+scheduleAtTop: 42px;
+scheduleAtLabel: FlatLabel(defaultFlatLabel) {
+}
+scheduleTimeSeparator: FlatLabel(defaultFlatLabel) {
+	style: TextStyle(defaultTextStyle) {
+		font: font(14px);
+	}
+}
+scheduleTimeSeparatorPadding: margins(2px, 0px, 2px, 0px);

Telegram/SourceFiles/boxes/confirm_box.cpp

@@ -11,6 +11,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "mainwidget.h"
 #include "mainwindow.h"
 #include "apiwrap.h"
+#include "api/api_invite_links.h"
 #include "history/history.h"
 #include "history/history_item.h"
 #include "ui/widgets/checkbox.h"
@@ -393,7 +394,7 @@ void MaxInviteBox::prepare() {
 
 	_channel->session().changes().peerUpdates(
 		_channel,
-		Data::PeerUpdate::Flag::InviteLink
+		Data::PeerUpdate::Flag::InviteLinks
 	) | rpl::start_with_next([=] {
 		rtlupdate(_invitationLink);
 	}, lifetime());
@@ -407,7 +408,7 @@ void MaxInviteBox::mousePressEvent(QMouseEvent *e) {
 	mouseMoveEvent(e);
 	if (_linkOver) {
 		if (_channel->inviteLink().isEmpty()) {
-			_channel->session().api().exportInviteLink(_channel);
+			_channel->session().api().inviteLinks().create(_channel);
 		} else {
 			QGuiApplication::clipboard()->setText(_channel->inviteLink());
 			Ui::Toast::Show(tr::lng_create_channel_link_copied(tr::now));
@@ -577,7 +578,8 @@ void DeleteMessagesBox::prepare() {
 	const auto appendDetails = [&](TextWithEntities &&text) {
 		details.append(qstr("\n\n")).append(std::move(text));
 	};
-	auto deleteText = tr::lng_box_delete();
+	auto deleteText = lifetime().make_state<rpl::variable<QString>>();
+	*deleteText = tr::lng_box_delete();
 	auto deleteStyle = &st::defaultBoxButton;
 	if (const auto peer = _wipeHistoryPeer) {
 		if (_wipeHistoryJustClear) {
@@ -597,16 +599,22 @@ void DeleteMessagesBox::prepare() {
 				: peer->isMegagroup()
 				? tr::lng_sure_leave_group(tr::now)
 				: tr::lng_sure_leave_channel(tr::now);
-			deleteText = _wipeHistoryPeer->isUser()
-				? tr::lng_box_delete()
-				: tr::lng_box_leave();
-			deleteStyle = &(peer->isChannel()
-				? st::defaultBoxButton
-				: st::attentionBoxButton);
+			if (!peer->isUser()) {
+				*deleteText = tr::lng_box_leave();
+			}
+			deleteStyle = &st::attentionBoxButton;
 		}
 		if (auto revoke = revokeText(peer)) {
 			_revoke.create(this, revoke->checkbox, false, st::defaultBoxCheckbox);
 			appendDetails(std::move(revoke->description));
+			if (!peer->isUser() && !_wipeHistoryJustClear) {
+				_revoke->checkedValue(
+				) | rpl::start_with_next([=](bool revokeForAll) {
+					*deleteText = revokeForAll
+						? tr::lng_box_delete()
+						: tr::lng_box_leave();
+				}, _revoke->lifetime());
+			}
 		}
 	} else if (_moderateFrom) {
 		Assert(_moderateInChannel != nullptr);
@@ -643,7 +651,7 @@ void DeleteMessagesBox::prepare() {
 	_text.create(this, rpl::single(std::move(details)), st::boxLabel);
 
 	addButton(
-		std::move(deleteText),
+		deleteText->value(),
 		[=] { deleteAndClear(); },
 		*deleteStyle);
 	addButton(tr::lng_cancel(), [=] { closeBox(); });
@@ -701,6 +709,8 @@ auto DeleteMessagesBox::revokeText(not_null<PeerData*> peer) const
 				tr::now,
 				lt_user,
 				user->firstName);
+		} else if (_wipeHistoryJustClear) {
+			return std::nullopt;
 		} else {
 			result.checkbox = tr::lng_delete_for_everyone_check(tr::now);
 		}
@@ -860,10 +870,16 @@ void DeleteMessagesBox::deleteAndClear() {
 		_deleteConfirmedCallback();
 	}
 
-	_session->data().histories().deleteMessages(_ids, revoke);
-
+	// deleteMessages can initiate closing of the current section,
+	// which will cause this box to be destroyed.
 	const auto session = _session;
-	Ui::hideLayer();
+	const auto weak = Ui::MakeWeak(this);
+
+	session->data().histories().deleteMessages(_ids, revoke);
+
+	if (const auto strong = weak.data()) {
+		strong->closeBox();
+	}
 	session->data().sendHistoryChangeNotifications();
 }
 

Telegram/SourceFiles/boxes/connection_box.cpp

@@ -252,7 +252,7 @@ private:
 
 	QPointer<Ui::SlideWrap<>> _aboutSponsored;
 	QPointer<HostInput> _host;
-	QPointer<Ui::PortInput> _port;
+	QPointer<Ui::NumberInput> _port;
 	QPointer<Ui::InputField> _user;
 	QPointer<Ui::PasswordInput> _password;
 	QPointer<Base64UrlInput> _secret;
@@ -928,11 +928,12 @@ void ProxyBox::setupSocketAddress(const ProxyData &data) {
 		st::connectionHostInputField,
 		tr::lng_connection_host_ph(),
 		data.host);
-	_port = Ui::CreateChild<Ui::PortInput>(
+	_port = Ui::CreateChild<Ui::NumberInput>(
 		address,
 		st::connectionPortInputField,
 		tr::lng_connection_port_ph(),
-		data.port ? QString::number(data.port) : QString());
+		data.port ? QString::number(data.port) : QString(),
+		65535);
 	address->widthValue(
 	) | rpl::start_with_next([=](int width) {
 		_port->moveToRight(0, 0);

Telegram/SourceFiles/boxes/create_poll_box.cpp

@@ -30,6 +30,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "base/unique_qptr.h"
 #include "base/event_filter.h"
 #include "base/call_delayed.h"
+#include "base/openssl_help.h"
 #include "window/window_session_controller.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
@@ -885,7 +886,7 @@ not_null<Ui::InputField*> CreatePollBox::setupSolution(
 object_ptr<Ui::RpWidget> CreatePollBox::setupContent() {
 	using namespace Settings;
 
-	const auto id = rand_value<uint64>();
+	const auto id = openssl::RandomValue<uint64>();
 	const auto error = lifetime().make_state<Errors>(Error::Question);
 
 	auto result = object_ptr<Ui::VerticalLayout>(this);

Telegram/SourceFiles/boxes/edit_caption_box.cpp

@@ -32,6 +32,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "history/history.h"
 #include "history/history_drag_area.h"
 #include "history/history_item.h"
+#include "history/view/media/history_view_document.h" // DrawThumbnailAsSongCover
 #include "platform/platform_specific.h"
 #include "lang/lang_keys.h"
 #include "media/streaming/media_streaming_instance.h"
@@ -171,7 +172,9 @@ EditCaptionBox::EditCaptionBox(
 			_thumbw = 0;
 			_thumbnailImageLoaded = true;
 		} else {
-			const auto thumbSize = st::msgFileThumbLayout.thumbSize;
+			const auto thumbSize = (!media->document()->isSongWithCover()
+				? st::msgFileThumbLayout
+				: st::msgFileLayout).thumbSize;
 			const auto tw = dimensions.width(), th = dimensions.height();
 			if (tw > th) {
 				_thumbw = (tw * thumbSize) / th;
@@ -183,19 +186,31 @@ EditCaptionBox::EditCaptionBox(
 				if (!image) {
 					return;
 				}
-				const auto options = Images::Option::Smooth
-					| Images::Option::RoundedSmall
-					| Images::Option::RoundedTopLeft
-					| Images::Option::RoundedTopRight
-					| Images::Option::RoundedBottomLeft
-					| Images::Option::RoundedBottomRight;
-				_thumb = App::pixmapFromImageInPlace(Images::prepare(
-					image->original(),
-					_thumbw * cIntRetinaFactor(),
-					0,
-					options,
-					thumbSize,
-					thumbSize));
+				if (media->document()->isSongWithCover()) {
+					const auto size = QSize(thumbSize, thumbSize);
+					_thumb = QPixmap(size);
+					_thumb.fill(Qt::transparent);
+					Painter p(&_thumb);
+
+					HistoryView::DrawThumbnailAsSongCover(
+						p,
+						_documentMedia,
+						QRect(QPoint(), size));
+				} else {
+					const auto options = Images::Option::Smooth
+						| Images::Option::RoundedSmall
+						| Images::Option::RoundedTopLeft
+						| Images::Option::RoundedTopRight
+						| Images::Option::RoundedBottomLeft
+						| Images::Option::RoundedBottomRight;
+					_thumb = App::pixmapFromImageInPlace(Images::prepare(
+						image->original(),
+						_thumbw * cIntRetinaFactor(),
+						0,
+						options,
+						thumbSize,
+						thumbSize));
+				}
 				_thumbnailImageLoaded = true;
 			};
 			_refreshThumbnail();
@@ -539,6 +554,14 @@ void EditCaptionBox::updateEditPreview() {
 				song->title,
 				song->performer);
 			_isAudio = true;
+
+			if (auto cover = song->cover; !cover.isNull()) {
+				_thumb = Ui::PrepareSongCoverForThumbnail(
+					cover,
+					st::msgFileLayout.thumbSize);
+				_thumbw = _thumb.width() / cIntRetinaFactor();
+				_thumbh = _thumb.height() / cIntRetinaFactor();
+			}
 		}
 
 		const auto getExt = [&] {
@@ -810,15 +833,21 @@ void EditCaptionBox::setupDragArea() {
 	areas.photo->setDroppedCallback(droppedCallback(true));
 }
 
+bool EditCaptionBox::isThumbedLayout() const {
+	return (_thumbw && !_isAudio);
+}
+
 void EditCaptionBox::updateBoxSize() {
 	auto newHeight = st::boxPhotoPadding.top() + st::boxPhotoCaptionSkip + _field->height() + errorTopSkip() + st::normalFont->height;
 	if (_photo) {
 		newHeight += _wayWrap->height() / 2;
 	}
-	const auto &st = _thumbw ? st::msgFileThumbLayout : st::msgFileLayout;
+	const auto &st = isThumbedLayout()
+		? st::msgFileThumbLayout
+		: st::msgFileLayout;
 	if (_photo || _animated) {
 		newHeight += std::max(_thumbh, _gifh);
-	} else if (_thumbw || _doc) {
+	} else if (isThumbedLayout() || _doc) {
 		newHeight += 0 + st.thumbSize + 0;
 	} else {
 		newHeight += st::boxTitleFont->height;
@@ -902,7 +931,9 @@ void EditCaptionBox::paintEvent(QPaintEvent *e) {
 			icon->paintInCenter(p, inner);
 		}
 	} else if (_doc) {
-		const auto &st = _thumbw ? st::msgFileThumbLayout : st::msgFileLayout;
+		const auto &st = isThumbedLayout()
+			? st::msgFileThumbLayout
+			: st::msgFileLayout;
 		const auto w = width() - st::boxPhotoPadding.left() - st::boxPhotoPadding.right();
 		const auto h = 0 + st.thumbSize + 0;
 		const auto nameleft = 0 + st.thumbSize + st.padding.right();
@@ -918,18 +949,24 @@ void EditCaptionBox::paintEvent(QPaintEvent *e) {
 //		Ui::FillRoundCorner(p, x, y, w, h, st::msgInBg, Ui::MessageInCorners, &st::msgInShadow);
 
 		const auto rthumb = style::rtlrect(x + 0, y + 0, st.thumbSize, st.thumbSize, width());
-		if (_thumbw) {
+		if (isThumbedLayout()) {
 			p.drawPixmap(rthumb.topLeft(), _thumb);
 		} else {
 			p.setPen(Qt::NoPen);
-			p.setBrush(st::msgFileInBg);
 
-			{
+			if (_isAudio && _thumbw) {
+				p.drawPixmap(rthumb.topLeft(), _thumb);
+			} else {
+				p.setBrush(st::msgFileInBg);
 				PainterHighQualityEnabler hq(p);
 				p.drawEllipse(rthumb);
 			}
 
-			const auto icon = &(_isAudio ? st::historyFileInPlay : _isImage ? st::historyFileInImage : st::historyFileInDocument);
+			const auto icon = &(_isAudio
+				? st::historyFileSongPlay
+				: _isImage
+				? st::historyFileInImage
+				: st::historyFileInDocument);
 			icon->paintInCenter(p, rthumb);
 		}
 		p.setFont(st::semiboldFont);

Telegram/SourceFiles/boxes/edit_caption_box.h

@@ -96,6 +96,8 @@ private:
 	void createEditMediaButton();
 	bool setPreparedList(Ui::PreparedList &&list);
 
+	bool isThumbedLayout() const;
+
 	inline QString getNewMediaPath() {
 		return _preparedList.files.empty()
 			? QString()

Telegram/SourceFiles/boxes/edit_color_box.cpp

@@ -228,8 +228,8 @@ void EditColorBox::Picker::preparePaletteHSL() {
 }
 
 void EditColorBox::Picker::updateCurrentPoint(QPoint localPosition) {
-	auto x = snap(localPosition.x(), 0, width()) / float64(width());
-	auto y = snap(localPosition.y(), 0, height()) / float64(height());
+	auto x = std::clamp(localPosition.x(), 0, width()) / float64(width());
+	auto y = std::clamp(localPosition.y(), 0, height()) / float64(height());
 	if (_x != x || _y != y) {
 		_x = x;
 		_y = y;
@@ -245,14 +245,14 @@ void EditColorBox::Picker::setHSB(HSB hsb) {
 		_topright = _topright.toRgb();
 		_bottomleft = _bottomright = QColor(0, 0, 0);
 
-		_x = snap(hsb.saturation / 255., 0., 1.);
-		_y = 1. - snap(hsb.brightness / 255., 0., 1.);
+		_x = std::clamp(hsb.saturation / 255., 0., 1.);
+		_y = 1. - std::clamp(hsb.brightness / 255., 0., 1.);
 	} else {
 		_topleft = _topright = QColor::fromHsl(0, 255, hsb.brightness);
 		_bottomleft = _bottomright = QColor::fromHsl(0, 0, hsb.brightness);
 
-		_x = snap(hsb.hue / 360., 0., 1.);
-		_y = 1. - snap(hsb.saturation / 255., 0., 1.);
+		_x = std::clamp(hsb.hue / 360., 0., 1.);
+		_y = 1. - std::clamp(hsb.saturation / 255., 0., 1.);
 	}
 
 	_paletteInvalidated = true;
@@ -291,7 +291,7 @@ public:
 		return _value;
 	}
 	void setValue(float64 value) {
-		_value = snap(value, 0., 1.);
+		_value = std::clamp(value, 0., 1.);
 		update();
 	}
 	void setHSB(HSB hsb);
@@ -508,12 +508,12 @@ float64 EditColorBox::Slider::valueFromColor(QColor color) const {
 }
 
 float64 EditColorBox::Slider::valueFromHue(int hue) const {
-	return (1. - snap(hue, 0, 360) / 360.);
+	return (1. - std::clamp(hue, 0, 360) / 360.);
 }
 
 void EditColorBox::Slider::setAlpha(int alpha) {
 	if (_type == Type::Opacity) {
-		_value = snap(alpha, 0, 255) / 255.;
+		_value = std::clamp(alpha, 0, 255) / 255.;
 		update();
 	}
 }
@@ -534,7 +534,7 @@ void EditColorBox::Slider::updatePixmapFromMask() {
 void EditColorBox::Slider::updateCurrentPoint(QPoint localPosition) {
 	auto coord = (isHorizontal() ? localPosition.x() : localPosition.y()) - st::colorSliderSkip;
 	auto maximum = (isHorizontal() ? width() : height()) - 2 * st::colorSliderSkip;
-	auto value = snap(coord, 0, maximum) / float64(maximum);
+	auto value = std::clamp(coord, 0, maximum) / float64(maximum);
 	if (_value != value) {
 		_value = value;
 		update();
@@ -663,7 +663,7 @@ void EditColorBox::Field::wheelEvent(QWheelEvent *e) {
 
 void EditColorBox::Field::changeValue(int delta) {
 	auto currentValue = value();
-	auto newValue = snap(currentValue + delta, 0, _limit);
+	auto newValue = std::clamp(currentValue + delta, 0, _limit);
 	if (newValue != currentValue) {
 		setText(QString::number(newValue));
 		setFocus();

Telegram/SourceFiles/boxes/edit_color_box.h

@@ -66,10 +66,10 @@ private:
 	[[nodiscard]] QColor applyLimits(QColor color) const;
 
 	int percentFromByte(int byte) {
-		return snap(qRound(byte * 100 / 255.), 0, 100);
+		return std::clamp(qRound(byte * 100 / 255.), 0, 100);
 	}
 	int percentToByte(int percent) {
-		return snap(qRound(percent * 255 / 100.), 0, 255);
+		return std::clamp(qRound(percent * 255 / 100.), 0, 255);
 	}
 
 	class Picker;

Telegram/SourceFiles/boxes/filters/edit_filter_chats_list.cpp

@@ -62,22 +62,6 @@ public:
 
 };
 
-class TypeDelegate final : public PeerListContentDelegate {
-public:
-	void peerListSetTitle(rpl::producer<QString> title) override;
-	void peerListSetAdditionalTitle(rpl::producer<QString> title) override;
-	bool peerListIsRowChecked(not_null<PeerListRow*> row) override;
-	int peerListSelectedRowsCount() override;
-	void peerListScrollToTop() override;
-	void peerListAddSelectedPeerInBunch(
-		not_null<PeerData*> peer) override;
-	void peerListAddSelectedRowInBunch(not_null<PeerListRow*> row) override;
-	void peerListFinishSelectedRowsBunch() override;
-	void peerListSetDescription(
-		object_ptr<Ui::FlatLabel> description) override;
-
-};
-
 class TypeController final : public PeerListController {
 public:
 	TypeController(
@@ -194,39 +178,6 @@ PaintRoundImageCallback ExceptionRow::generatePaintUserpicCallback() {
 	};
 }
 
-void TypeDelegate::peerListSetTitle(rpl::producer<QString> title) {
-}
-
-void TypeDelegate::peerListSetAdditionalTitle(rpl::producer<QString> title) {
-}
-
-bool TypeDelegate::peerListIsRowChecked(not_null<PeerListRow*> row) {
-	return false;
-}
-
-int TypeDelegate::peerListSelectedRowsCount() {
-	return 0;
-}
-
-void TypeDelegate::peerListScrollToTop() {
-}
-
-void TypeDelegate::peerListAddSelectedPeerInBunch(not_null<PeerData*> peer) {
-	Unexpected("Item selection in Info::Profile::Members.");
-}
-
-void TypeDelegate::peerListAddSelectedRowInBunch(not_null<PeerListRow*> row) {
-	Unexpected("Item selection in Info::Profile::Members.");
-}
-
-void TypeDelegate::peerListFinishSelectedRowsBunch() {
-}
-
-void TypeDelegate::peerListSetDescription(
-		object_ptr<Ui::FlatLabel> description) {
-	description.destroy();
-}
-
 TypeController::TypeController(
 	not_null<Main::Session*> session,
 	Flags options,
@@ -412,7 +363,9 @@ object_ptr<Ui::RpWidget> EditFilterChatsListController::prepareTypesList() {
 	container->add(object_ptr<Ui::FixedHeightWidget>(
 		container,
 		st::membersMarginTop));
-	const auto delegate = container->lifetime().make_state<TypeDelegate>();
+	const auto delegate = container->lifetime().make_state<
+		PeerListContentDelegateSimple
+	>();
 	const auto controller = container->lifetime().make_state<TypeController>(
 		&session(),
 		_options,

Telegram/SourceFiles/boxes/peer_list_box.cpp

@@ -1440,7 +1440,10 @@ PeerListContent::SkipResult PeerListContent::selectSkip(int direction) {
 	}
 
 	// Snap the index.
-	newSelectedIndex = snap(newSelectedIndex, firstEnabled - 1, lastEnabled);
+	newSelectedIndex = std::clamp(
+		newSelectedIndex,
+		firstEnabled - 1,
+		lastEnabled);
 
 	// Skip the disabled rows.
 	if (newSelectedIndex < firstEnabled) {

Telegram/SourceFiles/boxes/peer_list_box.h

@@ -302,7 +302,7 @@ public:
 
 	virtual void peerListShowRowMenu(
 		not_null<PeerListRow*> row,
-		Fn<void(not_null<Ui::PopupMenu*>)> destroyed) = 0;
+		Fn<void(not_null<Ui::PopupMenu*>)> destroyed = nullptr) = 0;
 	virtual int peerListSelectedRowsCount() = 0;
 	virtual std::unique_ptr<PeerListState> peerListSaveState() const = 0;
 	virtual void peerListRestoreState(
@@ -375,6 +375,9 @@ public:
 		_delegate = delegate;
 		prepare();
 	}
+	[[nodiscard]] not_null<PeerListDelegate*> delegate() const {
+		return _delegate;
+	}
 
 	void setStyleOverrides(
 			const style::PeerList *listSt,
@@ -453,9 +456,6 @@ public:
 	virtual ~PeerListController() = default;
 
 protected:
-	not_null<PeerListDelegate*> delegate() const {
-		return _delegate;
-	}
 	PeerListSearchController *searchController() const {
 		return _searchController.get();
 	}
@@ -837,7 +837,7 @@ public:
 	}
 	void peerListShowRowMenu(
 			not_null<PeerListRow*> row,
-			Fn<void(not_null<Ui::PopupMenu*>)> destroyed) override {
+			Fn<void(not_null<Ui::PopupMenu*>)> destroyed = nullptr) override {
 		_content->showRowMenu(row, std::move(destroyed));
 	}
 
@@ -851,6 +851,38 @@ private:
 
 };
 
+class PeerListContentDelegateSimple : public PeerListContentDelegate {
+public:
+	void peerListSetTitle(rpl::producer<QString> title) override {
+	}
+	void peerListSetAdditionalTitle(rpl::producer<QString> title) override {
+	}
+	bool peerListIsRowChecked(not_null<PeerListRow*> row) override {
+		return false;
+	}
+	int peerListSelectedRowsCount() override {
+		return 0;
+	}
+	void peerListScrollToTop() override {
+	}
+	void peerListAddSelectedPeerInBunch(
+			not_null<PeerData*> peer) override {
+		Unexpected("...DelegateSimple::peerListAddSelectedPeerInBunch");
+	}
+	void peerListAddSelectedRowInBunch(not_null<PeerListRow*> row) override {
+		Unexpected("...DelegateSimple::peerListAddSelectedRowInBunch");
+	}
+	void peerListFinishSelectedRowsBunch() override {
+		Unexpected("...DelegateSimple::peerListFinishSelectedRowsBunch");
+	}
+	void peerListSetDescription(
+			object_ptr<Ui::FlatLabel> description) override {
+		description.destroy();
+	}
+
+};
+
+
 class PeerListBox
 	: public Ui::BoxContent
 	, public PeerListContentDelegate {

Telegram/SourceFiles/boxes/peer_list_controllers.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "boxes/peer_list_controllers.h"
 
+#include "base/openssl_help.h"
 #include "boxes/confirm_box.h"
 #include "ui/widgets/checkbox.h"
 #include "ui/ui_utility.h"
@@ -23,7 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "lang/lang_keys.h"
 #include "history/history.h"
 #include "dialogs/dialogs_main_list.h"
-#include "window/window_session_controller.h" // onShowAddContact()
+#include "window/window_session_controller.h" // showAddContact()
 #include "facades.h"
 #include "styles/style_boxes.h"
 #include "styles/style_profile.h"
@@ -35,7 +36,7 @@ void ShareBotGame(not_null<UserData*> bot, not_null<PeerData*> chat) {
 	auto &histories = history->owner().histories();
 	const auto requestType = Data::Histories::RequestType::Send;
 	histories.sendRequest(history, requestType, [=](Fn<void()> finish) {
-		const auto randomId = rand_value<uint64>();
+		const auto randomId = openssl::RandomValue<uint64>();
 		const auto api = &chat->session().api();
 		history->sendRequestId = api->request(MTPmessages_SendMedia(
 			MTP_flags(0),
@@ -112,7 +113,7 @@ object_ptr<Ui::BoxContent> PrepareContactsBox(
 		box->addButton(tr::lng_close(), [=] { box->closeBox(); });
 		box->addLeftButton(
 			tr::lng_profile_add_contact(),
-			[=] { controller->widget()->onShowAddContact(); });
+			[=] { controller->widget()->showAddContact(); });
 	};
 	return Box<PeerListBox>(
 		std::make_unique<ContactsBoxController>(

Telegram/SourceFiles/boxes/peers/edit_participant_box.cpp

@@ -20,10 +20,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/toast/toast.h"
 #include "ui/text/text_utilities.h"
 #include "ui/text/text_options.h"
+#include "ui/boxes/calendar_box.h"
 #include "ui/special_buttons.h"
 #include "chat_helpers/emoji_suggestions_widget.h"
 #include "settings/settings_privacy_security.h"
-#include "boxes/calendar_box.h"
 #include "boxes/confirm_box.h"
 #include "boxes/passcode_box.h"
 #include "boxes/peers/edit_peer_permissions_box.h"
@@ -691,7 +691,7 @@ void EditRestrictedBox::showRestrictUntil() {
 		: base::unixtime::parse(getRealUntilValue()).date();
 	auto month = highlighted;
 	_restrictUntilBox = Ui::show(
-		Box<CalendarBox>(
+		Box<Ui::CalendarBox>(
 			month,
 			highlighted,
 			[this](const QDate &date) {

Telegram/SourceFiles/boxes/peers/edit_participant_box.h

@@ -18,6 +18,7 @@ class LinkButton;
 class Checkbox;
 class Radiobutton;
 class RadiobuttonGroup;
+class CalendarBox;
 template <typename Widget>
 class SlideWrap;
 } // namespace Ui
@@ -26,7 +27,6 @@ namespace Core {
 struct CloudPasswordResult;
 } // namespace Core
 
-class CalendarBox;
 class PasscodeBox;
 
 class EditParticipantBox : public Ui::BoxContent {
@@ -162,7 +162,7 @@ private:
 
 	std::shared_ptr<Ui::RadiobuttonGroup> _untilGroup;
 	std::vector<base::unique_qptr<Ui::Radiobutton>> _untilVariants;
-	QPointer<CalendarBox> _restrictUntilBox;
+	QPointer<Ui::CalendarBox> _restrictUntilBox;
 
 	static constexpr auto kUntilOneDay = -1;
 	static constexpr auto kUntilOneWeek = -2;

Telegram/SourceFiles/boxes/peers/edit_participants_box.cpp

@@ -174,6 +174,7 @@ void SaveChatParticipantKick(
 		Fn<void()> onDone,
 		Fn<void()> onFail) {
 	chat->session().api().request(MTPmessages_DeleteChatUser(
+		MTP_flags(0),
 		chat->inputChat,
 		user->inputUser
 	)).done([=](const MTPUpdates &result) {
@@ -358,7 +359,7 @@ bool ParticipantsAdditionalData::canRemoveUser(
 	if (canRestrictUser(user)) {
 		return true;
 	} else if (const auto chat = _peer->asChat()) {
-		return chat->invitedByMe.contains(user);
+		return !user->isSelf() && chat->invitedByMe.contains(user);
 	}
 	return false;
 }
@@ -1212,6 +1213,9 @@ void ParticipantsBoxController::rebuildChatAdmins(
 		return true;
 	}();
 	if (same) {
+		if (!_allLoaded && !delegate()->peerListFullRowsCount()) {
+			chatListReady();
+		}
 		return;
 	}
 

Telegram/SourceFiles/boxes/peers/edit_peer_info_box.cpp

@@ -16,6 +16,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/peers/edit_peer_type_box.h"
 #include "boxes/peers/edit_peer_history_visibility_box.h"
 #include "boxes/peers/edit_peer_permissions_box.h"
+#include "boxes/peers/edit_peer_invite_links.h"
 #include "boxes/peers/edit_linked_chat_box.h"
 #include "boxes/stickers_box.h"
 #include "chat_helpers/emoji_suggestions_widget.h"
@@ -25,6 +26,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_chat.h"
 #include "data/data_peer.h"
 #include "data/data_session.h"
+#include "data/data_changes.h"
 #include "history/admin_log/history_admin_log_section.h"
 #include "info/profile/info_profile_values.h"
 #include "lang/lang_keys.h"
@@ -45,6 +47,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "window/window_session_controller.h"
 #include "info/profile/info_profile_icon.h"
 #include "app.h"
+#include "apiwrap.h"
+#include "api/api_invite_links.h"
 #include "facades.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
@@ -236,6 +240,49 @@ void ShowEditPermissions(
 	}, box->lifetime());
 }
 
+void ShowEditInviteLinks(
+		not_null<Window::SessionNavigation*> navigation,
+		not_null<PeerData*> peer) {
+	const auto box = Ui::show(
+		Box<EditPeerPermissionsBox>(navigation, peer),
+		Ui::LayerOption::KeepOther);
+	const auto saving = box->lifetime().make_state<int>(0);
+	const auto save = [=](
+			not_null<PeerData*> peer,
+			EditPeerPermissionsBox::Result result) {
+		Expects(result.slowmodeSeconds == 0 || peer->isChannel());
+
+		const auto close = crl::guard(box, [=] { box->closeBox(); });
+		SaveDefaultRestrictions(
+			peer,
+			MTP_chatBannedRights(MTP_flags(result.rights), MTP_int(0)),
+			close);
+		if (const auto channel = peer->asChannel()) {
+			SaveSlowmodeSeconds(channel, result.slowmodeSeconds, close);
+		}
+	};
+	box->saveEvents(
+	) | rpl::start_with_next([=](EditPeerPermissionsBox::Result result) {
+		if (*saving) {
+			return;
+		}
+		*saving = true;
+
+		const auto saveFor = peer->migrateToOrMe();
+		const auto chat = saveFor->asChat();
+		if (!result.slowmodeSeconds || !chat) {
+			save(saveFor, result);
+			return;
+		}
+		const auto api = &peer->session().api();
+		api->migrateChat(chat, [=](not_null<ChannelData*> channel) {
+			save(channel, result);
+		}, [=](const RPCError &error) {
+			*saving = false;
+		});
+	}, box->lifetime());
+}
+
 } // namespace
 
 namespace {
@@ -285,7 +332,6 @@ private:
 	void showEditLinkedChatBox();
 	void fillPrivacyTypeButton();
 	void fillLinkedChatButton();
-	void fillInviteLinkButton();
 	void fillSignaturesButton();
 	void fillHistoryVisibilityButton();
 	void fillManageSection();
@@ -594,6 +640,8 @@ void Controller::refreshHistoryVisibility(anim::type animated) {
 
 void Controller::showEditPeerTypeBox(
 		std::optional<rpl::producer<QString>> error) {
+	Expects(_privacySavedValue.has_value());
+
 	const auto boxCallback = crl::guard(this, [=](
 			Privacy checked, QString publicLink) {
 		_privacyTypeUpdates.fire(std::move(checked));
@@ -606,7 +654,7 @@ void Controller::showEditPeerTypeBox(
 			_peer,
 			_channelHasLocationOriginalValue,
 			boxCallback,
-			_privacySavedValue,
+			*_privacySavedValue,
 			_usernameSavedValue,
 			error),
 		Ui::LayerOption::KeepOther);
@@ -752,22 +800,9 @@ void Controller::fillLinkedChatButton() {
 	_linkedChatUpdates.fire_copy(*_linkedChatSavedValue);
 }
 
-void Controller::fillInviteLinkButton() {
-	Expects(_controls.buttonsLayout != nullptr);
-
-	const auto buttonCallback = [=] {
-		Ui::show(Box<EditPeerTypeBox>(_peer), Ui::LayerOption::KeepOther);
-	};
-
-	AddButtonWithText(
-		_controls.buttonsLayout,
-		tr::lng_profile_invite_link_section(),
-		rpl::single(QString()), //Empty text.
-		buttonCallback);
-}
-
 void Controller::fillSignaturesButton() {
 	Expects(_controls.buttonsLayout != nullptr);
+
 	const auto channel = _peer->asChannel();
 	if (!channel) return;
 
@@ -868,6 +903,11 @@ void Controller::fillManageSection() {
 			? channel->canEditPermissions()
 			: chat->canEditPermissions();
 	}();
+	const auto canEditInviteLinks = [&] {
+		return isChannel
+			? channel->canHaveInviteLink()
+			: chat->canHaveInviteLink();
+	}();
 	const auto canViewAdmins = [&] {
 		return isChannel
 			? channel->canViewAdmins()
@@ -913,8 +953,6 @@ void Controller::fillManageSection() {
 
 	if (canEditUsername) {
 		fillPrivacyTypeButton();
-	} else if (canEditInviteLink) {
-		fillInviteLinkButton();
 	}
 	if (canViewOrEditLinkedChat) {
 		fillLinkedChatButton();
@@ -949,6 +987,29 @@ void Controller::fillManageSection() {
 			[=] { ShowEditPermissions(_navigation, _peer); },
 			st::infoIconPermissions);
 	}
+	//if (canEditInviteLinks) { // #TODO links
+	//	AddButtonWithCount(
+	//		_controls.buttonsLayout,
+	//		tr::lng_manage_peer_invite_links(),
+	//		Info::Profile::MigratedOrMeValue(
+	//			_peer
+	//		) | rpl::map([=](not_null<PeerData*> peer) {
+	//			peer->session().api().inviteLinks().requestLinks(peer);
+	//			return peer->session().changes().peerUpdates(
+	//				peer,
+	//				Data::PeerUpdate::Flag::InviteLinks
+	//			) | rpl::map([=] {
+	//				return peer->session().api().inviteLinks().links(
+	//					peer).count;
+	//			});
+	//		}) | rpl::flatten_latest(
+	//		) | ToPositiveNumberString(),
+	//		[=] { Ui::show(
+	//			Box(ManageInviteLinksBox, _peer),
+	//			Ui::LayerOption::KeepOther);
+	//		},
+	//		st::infoIconInviteLinks);
+	//}
 	if (canViewAdmins) {
 		AddButtonWithCount(
 			_controls.buttonsLayout,

Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.cpp

@@ -0,0 +1,591 @@
+/*
+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 "boxes/peers/edit_peer_invite_link.h"
+
+#include "data/data_peer.h"
+#include "data/data_user.h"
+#include "data/data_changes.h"
+#include "data/data_session.h"
+#include "data/data_histories.h"
+#include "main/main_session.h"
+#include "api/api_invite_links.h"
+#include "base/unixtime.h"
+#include "apiwrap.h"
+#include "ui/controls/invite_link_buttons.h"
+#include "ui/controls/invite_link_label.h"
+#include "ui/wrap/vertical_layout.h"
+#include "ui/wrap/slide_wrap.h"
+#include "ui/wrap/padding_wrap.h"
+#include "ui/widgets/popup_menu.h"
+#include "ui/abstract_button.h"
+#include "ui/toast/toast.h"
+#include "ui/text/text_utilities.h"
+#include "boxes/share_box.h"
+#include "history/view/history_view_group_call_tracker.h" // GenerateUs...
+#include "history/history_message.h" // GetErrorTextForSending.
+#include "history/history.h"
+#include "boxes/confirm_box.h"
+#include "boxes/peer_list_box.h"
+#include "mainwindow.h"
+#include "facades.h" // Ui::showPerProfile.
+#include "lang/lang_keys.h"
+#include "window/window_session_controller.h"
+#include "settings/settings_common.h"
+#include "mtproto/sender.h"
+#include "styles/style_info.h"
+
+#include <QtGui/QGuiApplication>
+
+namespace {
+
+constexpr auto kFirstPage = 20;
+constexpr auto kPerPage = 100;
+
+using LinkData = Api::InviteLink;
+
+class Controller final : public PeerListController {
+public:
+	Controller(not_null<PeerData*> peer, const LinkData &data);
+
+	void prepare() override;
+	void loadMoreRows() override;
+	void rowClicked(not_null<PeerListRow*> row) override;
+	Main::Session &session() const override;
+
+private:
+	void appendSlice(const Api::JoinedByLinkSlice &slice);
+	[[nodiscard]] object_ptr<Ui::RpWidget> prepareHeader();
+
+	const not_null<PeerData*> _peer;
+	LinkData _data;
+
+	mtpRequestId _requestId = 0;
+	std::optional<Api::JoinedByLinkUser> _lastUser;
+	bool _allLoaded = false;
+
+	MTP::Sender _api;
+	rpl::lifetime _lifetime;
+
+};
+
+class SingleRowController final : public PeerListController {
+public:
+	SingleRowController(not_null<PeerData*> peer, TimeId date);
+
+	void prepare() override;
+	void loadMoreRows() override;
+	void rowClicked(not_null<PeerListRow*> row) override;
+	Main::Session &session() const override;
+
+private:
+	const not_null<PeerData*> _peer;
+	TimeId _date = 0;
+
+};
+
+void AddHeaderBlock(
+		not_null<Ui::VerticalLayout*> container,
+		not_null<PeerData*> peer,
+		const LinkData &data,
+		TimeId now) {
+	const auto link = data.link;
+	const auto weak = Ui::MakeWeak(container);
+	const auto copyLink = crl::guard(weak, [=] {
+		CopyInviteLink(link);
+	});
+	const auto shareLink = crl::guard(weak, [=] {
+		ShareInviteLinkBox(peer, link);
+	});
+	const auto revokeLink = crl::guard(weak, [=] {
+		RevokeLink(peer, link);
+	});
+
+	const auto createMenu = [=] {
+		auto result = base::make_unique_q<Ui::PopupMenu>(container);
+		result->addAction(
+			tr::lng_group_invite_context_copy(tr::now),
+			copyLink);
+		result->addAction(
+			tr::lng_group_invite_context_share(tr::now),
+			shareLink);
+		result->addAction(
+			tr::lng_group_invite_context_revoke(tr::now),
+			revokeLink);
+		return result;
+	};
+
+	const auto prefix = qstr("https://");
+	const auto label = container->lifetime().make_state<Ui::InviteLinkLabel>(
+		container,
+		rpl::single(link.startsWith(prefix)
+			? link.mid(prefix.size())
+			: link),
+		createMenu);
+	container->add(
+		label->take(),
+		st::inviteLinkFieldPadding);
+
+	label->clicks(
+	) | rpl::start_with_next(copyLink, label->lifetime());
+
+	if ((data.expireDate <= 0 || now < data.expireDate)
+		&& (data.usageLimit <= 0 || data.usage < data.usageLimit)) {
+		AddCopyShareLinkButtons(
+			container,
+			copyLink,
+			shareLink);
+	}
+}
+
+void AddHeader(
+		not_null<Ui::VerticalLayout*> container,
+		not_null<PeerData*> peer,
+		const LinkData &data) {
+	using namespace Settings;
+
+	if (!data.revoked && !data.permanent) {
+		const auto now = base::unixtime::now();
+		AddHeaderBlock(container, peer, data, now);
+		AddSkip(container, st::inviteLinkJoinedRowPadding.bottom() * 2);
+		if (data.expireDate > 0) {
+			AddDividerText(
+				container,
+				(data.expireDate > now
+					? tr::lng_group_invite_expires_at(
+						lt_when,
+						rpl::single(langDateTime(
+							base::unixtime::parse(data.expireDate))))
+					: tr::lng_group_invite_expired_already()));
+		} else {
+			AddDivider(container);
+		}
+	}
+	AddSkip(container);
+	AddSubsectionTitle(
+		container,
+		tr::lng_group_invite_created_by());
+
+	const auto delegate = container->lifetime().make_state<
+		PeerListContentDelegateSimple
+	>();
+	const auto controller = container->lifetime().make_state<
+		SingleRowController
+	>(data.admin, data.date);
+	const auto content = container->add(object_ptr<PeerListContent>(
+		container,
+		controller));
+	delegate->setContent(content);
+	controller->setDelegate(delegate);
+}
+
+Controller::Controller(not_null<PeerData*> peer, const LinkData &data)
+: _peer(peer)
+, _data(data)
+, _api(&_peer->session().api().instance()) {
+}
+
+object_ptr<Ui::RpWidget> Controller::prepareHeader() {
+	using namespace Settings;
+
+	auto result = object_ptr<Ui::VerticalLayout>((QWidget*)nullptr);
+	const auto container = result.data();
+	AddHeader(container, _peer, _data);
+	AddDivider(container);
+	AddSkip(container);
+	AddSubsectionTitle(
+		container,
+		(_data.usage
+			? tr::lng_group_invite_joined(
+				lt_count,
+				rpl::single(float64(_data.usage)))
+			: tr::lng_group_invite_no_joined()));
+	return result;
+}
+
+void Controller::prepare() {
+	delegate()->peerListSetAboveWidget(prepareHeader());
+	_allLoaded = (_data.usage == 0);
+	const auto &inviteLinks = _peer->session().api().inviteLinks();
+	const auto slice = inviteLinks.joinedFirstSliceLoaded(_peer, _data.link);
+	if (slice) {
+		appendSlice(*slice);
+	}
+	loadMoreRows();
+}
+
+void Controller::loadMoreRows() {
+	if (_requestId || _allLoaded) {
+		return;
+	}
+	_allLoaded = true; // #TODO links
+	//_requestId = _api.request(MTPmessages_GetChatInviteImporters(
+	//	_peer->input,
+	//	MTP_string(_data.link),
+	//	MTP_int(_lastUser ? _lastUser->date : 0),
+	//	_lastUser ? _lastUser->user->inputUser : MTP_inputUserEmpty(),
+	//	MTP_int(_lastUser ? kPerPage : kFirstPage)
+	//)).done([=](const MTPmessages_ChatInviteImporters &result) {
+	//	_requestId = 0;
+	//	auto slice = Api::ParseJoinedByLinkSlice(_peer, result);
+	//	_allLoaded = slice.users.empty();
+	//	appendSlice(slice);
+	//}).fail([=](const RPCError &error) {
+	//	_requestId = 0;
+	//	_allLoaded = true;
+	//}).send();
+}
+
+void Controller::appendSlice(const Api::JoinedByLinkSlice &slice) {
+	for (const auto &user : slice.users) {
+		_lastUser = user;
+		delegate()->peerListAppendRow(
+			std::make_unique<PeerListRow>(user.user));
+	}
+	delegate()->peerListRefreshRows();
+}
+
+void Controller::rowClicked(not_null<PeerListRow*> row) {
+	Ui::showPeerProfile(row->peer());
+}
+
+Main::Session &Controller::session() const {
+	return _peer->session();
+}
+
+SingleRowController::SingleRowController(
+	not_null<PeerData*> peer,
+	TimeId date)
+: _peer(peer)
+, _date(date) {
+}
+
+void SingleRowController::prepare() {
+	auto row = std::make_unique<PeerListRow>(_peer);
+	row->setCustomStatus(langDateTime(base::unixtime::parse(_date)));
+	delegate()->peerListAppendRow(std::move(row));
+	delegate()->peerListRefreshRows();
+}
+
+void SingleRowController::loadMoreRows() {
+}
+
+void SingleRowController::rowClicked(not_null<PeerListRow*> row) {
+	Ui::showPeerProfile(row->peer());
+}
+
+Main::Session &SingleRowController::session() const {
+	return _peer->session();
+}
+
+} // namespace
+
+void AddPermanentLinkBlock(
+		not_null<Ui::VerticalLayout*> container,
+		not_null<PeerData*> peer) {
+	const auto computePermanentLink = [=] {
+		const auto &links = peer->session().api().inviteLinks().links(
+			peer).links;
+		const auto link = links.empty() ? nullptr : &links.front();
+		return (link && link->permanent && !link->revoked) ? link : nullptr;
+	};
+	auto value = peer->session().changes().peerFlagsValue(
+		peer,
+		Data::PeerUpdate::Flag::InviteLinks
+	) | rpl::map([=] {
+		const auto link = computePermanentLink();
+		return link
+			? std::make_tuple(link->link, link->usage)
+			: std::make_tuple(QString(), 0);
+	}) | rpl::distinct_until_changed(
+	) | rpl::start_spawning(container->lifetime());
+
+	const auto weak = Ui::MakeWeak(container);
+	const auto copyLink = crl::guard(weak, [=] {
+		if (const auto link = computePermanentLink()) {
+			CopyInviteLink(link->link);
+		}
+	});
+	const auto shareLink = crl::guard(weak, [=] {
+		if (const auto link = computePermanentLink()) {
+			ShareInviteLinkBox(peer, link->link);
+		}
+	});
+	const auto revokeLink = crl::guard(weak, [=] {
+		const auto box = std::make_shared<QPointer<ConfirmBox>>();
+		const auto done = crl::guard(weak, [=] {
+			const auto close = [=](auto&&) {
+				if (*box) {
+					(*box)->closeBox();
+				}
+			};
+			peer->session().api().inviteLinks().revokePermanent(peer, close);
+		});
+		*box = Ui::show(
+			Box<ConfirmBox>(tr::lng_group_invite_about_new(tr::now), done),
+			Ui::LayerOption::KeepOther);
+	});
+
+	auto link = rpl::duplicate(
+		value
+	) | rpl::map([=](QString link, int usage) {
+		const auto prefix = qstr("https://");
+		return link.startsWith(prefix) ? link.mid(prefix.size()) : link;
+	});
+	const auto createMenu = [=] {
+		auto result = base::make_unique_q<Ui::PopupMenu>(container);
+		result->addAction(
+			tr::lng_group_invite_context_copy(tr::now),
+			copyLink);
+		result->addAction(
+			tr::lng_group_invite_context_share(tr::now),
+			shareLink);
+		result->addAction(
+			tr::lng_group_invite_context_revoke(tr::now),
+			revokeLink);
+		return result;
+	};
+	const auto label = container->lifetime().make_state<Ui::InviteLinkLabel>(
+		container,
+		std::move(link),
+		createMenu);
+	container->add(
+		label->take(),
+		st::inviteLinkFieldPadding);
+
+	label->clicks(
+	) | rpl::start_with_next(copyLink, label->lifetime());
+
+	AddCopyShareLinkButtons(
+		container,
+		copyLink,
+		shareLink);
+
+	struct JoinedState {
+		QImage cachedUserpics;
+		std::vector<HistoryView::UserpicInRow> list;
+		int count = 0;
+		bool allUserpicsLoaded = false;
+		rpl::variable<Ui::JoinedCountContent> content;
+		rpl::lifetime lifetime;
+	};
+	const auto state = container->lifetime().make_state<JoinedState>();
+	const auto push = [=] {
+		HistoryView::GenerateUserpicsInRow(
+			state->cachedUserpics,
+			state->list,
+			st::inviteLinkUserpics,
+			0);
+		state->allUserpicsLoaded = ranges::all_of(
+			state->list,
+			[](const HistoryView::UserpicInRow &element) {
+				return !element.peer->hasUserpic() || element.view->image();
+			});
+		state->content = Ui::JoinedCountContent{
+			.count = state->count,
+			.userpics = state->cachedUserpics
+		};
+	};
+	std::move(
+		value
+	) | rpl::map([=](QString link, int usage) {
+		return peer->session().api().inviteLinks().joinedFirstSliceValue(
+			peer,
+			link,
+			usage);
+	}) | rpl::flatten_latest(
+	) | rpl::start_with_next([=](const Api::JoinedByLinkSlice &slice) {
+		auto list = std::vector<HistoryView::UserpicInRow>();
+		list.reserve(slice.users.size());
+		for (const auto &item : slice.users) {
+			const auto i = ranges::find(
+				state->list,
+				item.user,
+				&HistoryView::UserpicInRow::peer);
+			if (i != end(state->list)) {
+				list.push_back(std::move(*i));
+			} else {
+				list.push_back({ item.user });
+			}
+		}
+		state->count = slice.count;
+		state->list = std::move(list);
+		push();
+	}, state->lifetime);
+
+	peer->session().downloaderTaskFinished(
+	) | rpl::filter([=] {
+		return !state->allUserpicsLoaded;
+	}) | rpl::start_with_next([=] {
+		auto pushing = false;
+		state->allUserpicsLoaded = true;
+		for (const auto &element : state->list) {
+			if (!element.peer->hasUserpic()) {
+				continue;
+			} else if (element.peer->userpicUniqueKey(element.view)
+				!= element.uniqueKey) {
+				pushing = true;
+			} else if (!element.view->image()) {
+				state->allUserpicsLoaded = false;
+			}
+		}
+		if (pushing) {
+			push();
+		}
+	}, state->lifetime);
+
+	Ui::AddJoinedCountButton(
+		container,
+		state->content.value(),
+		st::inviteLinkJoinedRowPadding
+	)->setClickedCallback([=] {
+	});
+
+	container->add(object_ptr<Ui::SlideWrap<Ui::FixedHeightWidget>>(
+		container,
+		object_ptr<Ui::FixedHeightWidget>(
+			container,
+			st::inviteLinkJoinedRowPadding.bottom()))
+	)->setDuration(0)->toggleOn(state->content.value(
+	) | rpl::map([=](const Ui::JoinedCountContent &content) {
+		return (content.count <= 0);
+	}));
+}
+
+void CopyInviteLink(const QString &link) {
+	QGuiApplication::clipboard()->setText(link);
+	Ui::Toast::Show(tr::lng_group_invite_copied(tr::now));
+}
+
+void ShareInviteLinkBox(not_null<PeerData*> peer, const QString &link) {
+	const auto session = &peer->session();
+	const auto sending = std::make_shared<bool>();
+	const auto box = std::make_shared<QPointer<ShareBox>>();
+
+	auto copyCallback = [=] {
+		QGuiApplication::clipboard()->setText(link);
+		Ui::Toast::Show(tr::lng_group_invite_copied(tr::now));
+	};
+	auto submitCallback = [=](
+			std::vector<not_null<PeerData*>> &&result,
+			TextWithTags &&comment,
+			Api::SendOptions options) {
+		if (*sending || result.empty()) {
+			return;
+		}
+
+		const auto error = [&] {
+			for (const auto peer : result) {
+				const auto error = GetErrorTextForSending(
+					peer,
+					{},
+					comment);
+				if (!error.isEmpty()) {
+					return std::make_pair(error, peer);
+				}
+			}
+			return std::make_pair(QString(), result.front());
+		}();
+		if (!error.first.isEmpty()) {
+			auto text = TextWithEntities();
+			if (result.size() > 1) {
+				text.append(
+					Ui::Text::Bold(error.second->name)
+				).append("\n\n");
+			}
+			text.append(error.first);
+			Ui::show(
+				Box<InformBox>(text),
+				Ui::LayerOption::KeepOther);
+			return;
+		}
+
+		*sending = true;
+		if (!comment.text.isEmpty()) {
+			comment.text = link + "\n" + comment.text;
+			const auto add = link.size() + 1;
+			for (auto &tag : comment.tags) {
+				tag.offset += add;
+			}
+		}
+		const auto owner = &peer->owner();
+		auto &api = peer->session().api();
+		auto &histories = owner->histories();
+		const auto requestType = Data::Histories::RequestType::Send;
+		for (const auto peer : result) {
+			const auto history = owner->history(peer);
+			auto message = ApiWrap::MessageToSend(history);
+			message.textWithTags = comment;
+			message.action.options = options;
+			message.action.clearDraft = false;
+			api.sendMessage(std::move(message));
+		}
+		Ui::Toast::Show(tr::lng_share_done(tr::now));
+		if (*box) {
+			(*box)->closeBox();
+		}
+	};
+	auto filterCallback = [](PeerData *peer) {
+		return peer->canWrite();
+	};
+	*box = Ui::show(
+		Box<ShareBox>(
+			App::wnd()->sessionController(),
+			std::move(copyCallback),
+			std::move(submitCallback),
+			std::move(filterCallback)),
+		Ui::LayerOption::KeepOther);
+}
+
+void RevokeLink(not_null<PeerData*> peer, const QString &link) {
+	const auto box = std::make_shared<QPointer<ConfirmBox>>();
+	const auto revoke = [=] {
+		const auto done = [=](const LinkData &data) {
+			if (*box) {
+				(*box)->closeBox();
+			}
+		};
+		peer->session().api().inviteLinks().revoke(peer, link, done);
+	};
+	*box = Ui::show(
+		Box<ConfirmBox>(
+			tr::lng_group_invite_revoke_about(tr::now),
+			revoke),
+		Ui::LayerOption::KeepOther);
+}
+
+void ShowInviteLinkBox(
+		not_null<PeerData*> peer,
+		const Api::InviteLink &link) {
+	auto initBox = [=](not_null<Ui::BoxContent*> box) {
+		box->setTitle((link.permanent && !link.revoked)
+			? tr::lng_manage_peer_link_permanent()
+			: tr::lng_manage_peer_link_invite());
+		peer->session().api().inviteLinks().updates(
+			peer
+		) | rpl::start_with_next([=](const Api::InviteLinkUpdate &update) {
+			if (update.was == link.link
+				&& (!update.now || (!link.revoked && update.now->revoked))) {
+				box->closeBox();
+			}
+		}, box->lifetime());
+		box->addButton(tr::lng_about_done(), [=] { box->closeBox(); });
+	};
+	if (link.usage > 0) {
+		Ui::show(
+			Box<PeerListBox>(
+				std::make_unique<Controller>(peer, link),
+				std::move(initBox)),
+			Ui::LayerOption::KeepOther);
+	} else {
+		Ui::show(Box([=](not_null<Ui::GenericBox*> box) {
+			initBox(box);
+			const auto container = box->verticalLayout();
+			AddHeader(container, peer, link);
+		}), Ui::LayerOption::KeepOther);
+	}
+}

Telegram/SourceFiles/boxes/peers/edit_peer_invite_link.h

@@ -0,0 +1,32 @@
+/*
+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/layers/generic_box.h"
+
+class PeerData;
+
+namespace Api {
+struct InviteLink;
+} // namespace Api
+
+namespace Ui {
+class VerticalLayout;
+} // namespace Ui
+
+void AddPermanentLinkBlock(
+	not_null<Ui::VerticalLayout*> container,
+	not_null<PeerData*> peer);
+
+void CopyInviteLink(const QString &link);
+void ShareInviteLinkBox(not_null<PeerData*> peer, const QString &link);
+void RevokeLink(not_null<PeerData*> peer, const QString &link);
+
+void ShowInviteLinkBox(
+	not_null<PeerData*> peer,
+	const Api::InviteLink &link);

Telegram/SourceFiles/boxes/peers/edit_peer_invite_links.cpp

@@ -0,0 +1,776 @@
+/*
+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 "boxes/peers/edit_peer_invite_links.h"
+
+#include "data/data_peer.h"
+#include "main/main_session.h"
+#include "api/api_invite_links.h"
+#include "ui/boxes/edit_invite_link.h"
+#include "ui/wrap/slide_wrap.h"
+#include "ui/widgets/buttons.h"
+#include "ui/widgets/popup_menu.h"
+#include "lang/lang_keys.h"
+#include "boxes/confirm_box.h"
+#include "boxes/peer_list_controllers.h"
+#include "boxes/peers/edit_peer_invite_link.h"
+#include "settings/settings_common.h" // AddDivider.
+#include "apiwrap.h"
+#include "base/weak_ptr.h"
+#include "base/unixtime.h"
+#include "styles/style_info.h"
+#include "styles/style_layers.h" // st::boxDividerLabel
+#include "styles/style_settings.h" // st::settingsDividerLabelPadding
+
+#include <xxhash.h>
+
+namespace {
+
+constexpr auto kPreloadPages = 2;
+constexpr auto kFullArcLength = 360 * 16;
+
+enum class Color {
+	Permanent,
+	Expiring,
+	ExpireSoon,
+	Expired,
+	Revoked,
+
+	Count,
+};
+
+using InviteLinkData = Api::InviteLink;
+using InviteLinksSlice = Api::PeerInviteLinks;
+
+struct InviteLinkAction {
+	enum class Type {
+		Copy,
+		Share,
+		Edit,
+		Revoke,
+		Delete,
+	};
+	QString link;
+	Type type = Type::Copy;
+};
+
+class Row;
+
+class RowDelegate {
+public:
+	virtual void rowUpdateRow(not_null<Row*> row) = 0;
+	virtual void rowPaintIcon(
+		QPainter &p,
+		int x,
+		int y,
+		int size,
+		float64 progress,
+		Color color) = 0;
+};
+
+class Row final : public PeerListRow {
+public:
+	Row(
+		not_null<RowDelegate*> delegate,
+		const InviteLinkData &data,
+		TimeId now);
+
+	void update(const InviteLinkData &data, TimeId now);
+	void updateExpireProgress(TimeId now);
+
+	[[nodiscard]] InviteLinkData data() const;
+	[[nodiscard]] crl::time updateExpireIn() const;
+
+	QString generateName() override;
+	QString generateShortName() override;
+	PaintRoundImageCallback generatePaintUserpicCallback() override;
+
+	QSize actionSize() const override;
+	QMargins actionMargins() const override;
+	void paintAction(
+		Painter &p,
+		int x,
+		int y,
+		int outerWidth,
+		bool selected,
+		bool actionSelected) override;
+
+private:
+	const not_null<RowDelegate*> _delegate;
+	InviteLinkData _data;
+	QString _status;
+	float64 _progressTillExpire = 0.;
+	Color _color = Color::Permanent;
+
+};
+
+[[nodiscard]] uint64 ComputeRowId(const QString &link) {
+	return XXH64(link.data(), link.size() * sizeof(ushort), 0);
+}
+
+[[nodiscard]] uint64 ComputeRowId(const InviteLinkData &data) {
+	return ComputeRowId(data.link);
+}
+
+[[nodiscard]] float64 ComputeProgress(
+		const InviteLinkData &link,
+		TimeId now) {
+	const auto startDate = link.startDate ? link.startDate : link.date;
+	if (link.expireDate <= startDate && link.usageLimit <= 0) {
+		return -1;
+	}
+	const auto expireProgress = (link.expireDate <= startDate
+		|| now <= startDate)
+		? 0.
+		: (link.expireDate <= now)
+		? 1.
+		: (now - startDate) / float64(link.expireDate - startDate);
+	const auto usageProgress = (link.usageLimit <= 0 || link.usage <= 0)
+		? 0.
+		: (link.usageLimit <= link.usage)
+		? 1.
+		: link.usage / float64(link.usageLimit);
+	return std::max(expireProgress, usageProgress);
+}
+
+[[nodiscard]] Color ComputeColor(
+		const InviteLinkData &link,
+		float64 progress) {
+	return link.revoked
+		? Color::Revoked
+		: (progress >= 1.)
+		? Color::Expired
+		: (progress >= 3 / 4.)
+		? Color::ExpireSoon
+		: (progress >= 0.)
+		? Color::Expiring
+		: Color::Permanent;
+}
+
+[[nodiscard]] QString ComputeStatus(const InviteLinkData &link, TimeId now) {
+	auto result = link.usage
+		? tr::lng_group_invite_joined(tr::now, lt_count_decimal, link.usage)
+		: tr::lng_group_invite_no_joined(tr::now);
+	const auto add = [&](const QString &text) {
+		result += QString::fromUtf8(" \xE2\xB8\xB1 ") + text;
+	};
+	if (link.revoked) {
+		add(tr::lng_group_invite_link_revoked(tr::now));
+	} else if ((link.usageLimit > 0 && link.usage >= link.usageLimit)
+		|| (link.expireDate > 0 && now >= link.expireDate)) {
+		add(tr::lng_group_invite_link_expired(tr::now));
+	}
+	return result;
+}
+
+void EditLink(not_null<PeerData*> peer, const InviteLinkData &data) {
+	const auto creating = data.link.isEmpty();
+	const auto box = std::make_shared<QPointer<Ui::GenericBox>>();
+	using Fields = Ui::InviteLinkFields;
+	const auto done = [=](Fields result) {
+		const auto finish = [=](Api::InviteLink finished) {
+			if (creating) {
+				ShowInviteLinkBox(peer, finished);
+			}
+			if (*box) {
+				(*box)->closeBox();
+			}
+		};
+		if (creating) {
+			peer->session().api().inviteLinks().create(
+				peer,
+				finish,
+				result.expireDate,
+				result.usageLimit);
+		} else {
+			peer->session().api().inviteLinks().edit(
+				peer,
+				result.link,
+				result.expireDate,
+				result.usageLimit,
+				finish);
+		}
+	};
+	*box = Ui::show(
+		(creating
+			? Box(Ui::CreateInviteLinkBox, done)
+			: Box(
+				Ui::EditInviteLinkBox,
+				Fields{
+					.link = data.link,
+					.expireDate = data.expireDate,
+					.usageLimit = data.usageLimit
+				},
+				done)),
+		Ui::LayerOption::KeepOther);
+}
+
+void DeleteLink(not_null<PeerData*> peer, const QString &link) {
+	const auto box = std::make_shared<QPointer<ConfirmBox>>();
+	const auto sure = [=] {
+		const auto finish = [=] {
+			if (*box) {
+				(*box)->closeBox();
+			}
+		};
+		peer->session().api().inviteLinks().destroy(peer, link, finish);
+	};
+	*box = Ui::show(
+		Box<ConfirmBox>(tr::lng_group_invite_delete_sure(tr::now), sure),
+		Ui::LayerOption::KeepOther);
+}
+
+void DeleteAllRevoked(not_null<PeerData*> peer) {
+	const auto box = std::make_shared<QPointer<ConfirmBox>>();
+	const auto sure = [=] {
+		const auto finish = [=] {
+			if (*box) {
+				(*box)->closeBox();
+			}
+		};
+		peer->session().api().inviteLinks().destroyAllRevoked(peer, finish);
+	};
+	*box = Ui::show(
+		Box<ConfirmBox>(tr::lng_group_invite_delete_all_sure(tr::now), sure),
+		Ui::LayerOption::KeepOther);
+}
+
+not_null<Ui::SettingsButton*> AddCreateLinkButton(
+		not_null<Ui::VerticalLayout*> container) {
+	const auto result = container->add(
+		object_ptr<Ui::SettingsButton>(
+			container,
+			tr::lng_group_invite_add(),
+			st::inviteLinkCreate),
+		style::margins(0, st::inviteLinkCreateSkip, 0, 0));
+	const auto icon = Ui::CreateChild<Ui::RpWidget>(result);
+	icon->setAttribute(Qt::WA_TransparentForMouseEvents);
+	const auto size = st::inviteLinkCreateIconSize;
+	icon->resize(size, size);
+	result->heightValue(
+	) | rpl::start_with_next([=](int height) {
+		const auto &st = st::inviteLinkList.item;
+		icon->move(
+			st.photoPosition.x() + (st.photoSize - size) / 2,
+			(height - size) / 2);
+	}, icon->lifetime());
+	icon->paintRequest(
+	) | rpl::start_with_next([=] {
+		auto p = QPainter(icon);
+		p.setPen(Qt::NoPen);
+		p.setBrush(st::windowBgActive);
+		const auto rect = icon->rect();
+		auto hq = PainterHighQualityEnabler(p);
+		p.drawEllipse(rect);
+		st::inviteLinkCreateIcon.paintInCenter(p, rect);
+	}, icon->lifetime());
+	return result;
+}
+
+Row::Row(
+	not_null<RowDelegate*> delegate,
+	const InviteLinkData &data,
+	TimeId now)
+: PeerListRow(ComputeRowId(data))
+, _delegate(delegate)
+, _data(data)
+, _progressTillExpire(ComputeProgress(data, now))
+, _color(ComputeColor(data, _progressTillExpire)) {
+	setCustomStatus(ComputeStatus(data, now));
+}
+
+void Row::update(const InviteLinkData &data, TimeId now) {
+	_data = data;
+	_progressTillExpire = ComputeProgress(data, now);
+	_color = ComputeColor(data, _progressTillExpire);
+	setCustomStatus(ComputeStatus(data, now));
+	_delegate->rowUpdateRow(this);
+}
+
+void Row::updateExpireProgress(TimeId now) {
+	const auto updated = ComputeProgress(_data, now);
+	if (std::round(_progressTillExpire * 360) != std::round(updated * 360)) {
+		_progressTillExpire = updated;
+		const auto color = ComputeColor(_data, _progressTillExpire);
+		if (_color != color) {
+			_color = color;
+			setCustomStatus(ComputeStatus(_data, now));
+		}
+		_delegate->rowUpdateRow(this);
+	}
+}
+
+InviteLinkData Row::data() const {
+	return _data;
+}
+
+crl::time Row::updateExpireIn() const {
+	if (_color != Color::Expiring && _color != Color::ExpireSoon) {
+		return 0;
+	}
+	const auto start = _data.startDate ? _data.startDate : _data.date;
+	if (_data.expireDate <= start) {
+		return 0;
+	}
+	return std::round((_data.expireDate - start) * crl::time(1000) / 720.);
+}
+
+QString Row::generateName() {
+	auto result = _data.link;
+	return result.replace(qstr("https://"), QString());
+}
+
+QString Row::generateShortName() {
+	return generateName();
+}
+
+PaintRoundImageCallback Row::generatePaintUserpicCallback() {
+	return [=](
+			Painter &p,
+			int x,
+			int y,
+			int outerWidth,
+			int size) {
+		_delegate->rowPaintIcon(p, x, y, size, _progressTillExpire, _color);
+	};
+}
+
+QSize Row::actionSize() const {
+	return QSize(
+		st::inviteLinkThreeDotsIcon.width(),
+		st::inviteLinkThreeDotsIcon.height());
+}
+
+QMargins Row::actionMargins() const {
+	return QMargins(
+		0,
+		(st::inviteLinkList.item.height - actionSize().height()) / 2,
+		st::inviteLinkThreeDotsSkip,
+		0);
+}
+
+void Row::paintAction(
+		Painter &p,
+		int x,
+		int y,
+		int outerWidth,
+		bool selected,
+		bool actionSelected) {
+	(actionSelected
+		? st::inviteLinkThreeDotsIconOver
+		: st::inviteLinkThreeDotsIcon).paint(p, x, y, outerWidth);
+}
+
+class Controller final
+	: public PeerListController
+	, public RowDelegate
+	, public base::has_weak_ptr {
+public:
+	Controller(not_null<PeerData*> peer, bool revoked);
+
+	void prepare() override;
+	void loadMoreRows() override;
+	void rowClicked(not_null<PeerListRow*> row) override;
+	void rowActionClicked(not_null<PeerListRow*> row) override;
+	base::unique_qptr<Ui::PopupMenu> rowContextMenu(
+		QWidget *parent,
+		not_null<PeerListRow*> row) override;
+	Main::Session &session() const override;
+
+	void rowUpdateRow(not_null<Row*> row) override;
+	void rowPaintIcon(
+		QPainter &p,
+		int x,
+		int y,
+		int size,
+		float64 progress,
+		Color color) override;
+
+private:
+	void appendRow(const InviteLinkData &data, TimeId now);
+	void prependRow(const InviteLinkData &data, TimeId now);
+	void updateRow(const InviteLinkData &data, TimeId now);
+	bool removeRow(const QString &link);
+
+	void appendSlice(const InviteLinksSlice &slice);
+	void checkExpiringTimer(not_null<Row*> row);
+	void expiringProgressTimer();
+
+	[[nodiscard]] base::unique_qptr<Ui::PopupMenu> createRowContextMenu(
+		QWidget *parent,
+		not_null<PeerListRow*> row);
+
+	const not_null<PeerData*> _peer;
+	const bool _revoked = false;
+	base::unique_qptr<Ui::PopupMenu> _menu;
+
+	QString _offsetLink;
+	TimeId _offsetDate = 0;
+	bool _requesting = false;
+	bool _allLoaded = false;
+
+	base::flat_set<not_null<Row*>> _expiringRows;
+	base::Timer _updateExpiringTimer;
+
+	std::array<QImage, int(Color::Count)> _icons;
+	rpl::lifetime _lifetime;
+
+};
+
+Controller::Controller(not_null<PeerData*> peer, bool revoked)
+: _peer(peer)
+, _revoked(revoked)
+, _updateExpiringTimer([=] { expiringProgressTimer(); }) {
+	style::PaletteChanged(
+	) | rpl::start_with_next([=] {
+		for (auto &image : _icons) {
+			image = QImage();
+		}
+	}, _lifetime);
+
+	peer->session().api().inviteLinks().updates(
+		peer
+	) | rpl::start_with_next([=](const Api::InviteLinkUpdate &update) {
+		const auto now = base::unixtime::now();
+		if (!update.now || update.now->revoked != _revoked) {
+			if (removeRow(update.was)) {
+				delegate()->peerListRefreshRows();
+			}
+		} else if (update.was.isEmpty()) {
+			prependRow(*update.now, now);
+			delegate()->peerListRefreshRows();
+		} else {
+			updateRow(*update.now, now);
+		}
+	}, _lifetime);
+
+	if (_revoked) {
+		peer->session().api().inviteLinks().allRevokedDestroyed(
+			peer
+		) | rpl::start_with_next([=] {
+			_requesting = false;
+			_allLoaded = true;
+			while (delegate()->peerListFullRowsCount()) {
+				delegate()->peerListRemoveRow(delegate()->peerListRowAt(0));
+			}
+			delegate()->peerListRefreshRows();
+		}, _lifetime);
+	}
+}
+
+void Controller::prepare() {
+	if (!_revoked) {
+		appendSlice(_peer->session().api().inviteLinks().links(_peer));
+	}
+	if (!delegate()->peerListFullRowsCount()) {
+		loadMoreRows();
+	}
+}
+
+void Controller::loadMoreRows() {
+	if (_requesting || _allLoaded) {
+		return;
+	}
+	_requesting = true;
+	const auto done = [=](const InviteLinksSlice &slice) {
+		if (!_requesting) {
+			return;
+		}
+		_requesting = false;
+		if (slice.links.empty()) {
+			_allLoaded = true;
+			return;
+		}
+		appendSlice(slice);
+	};
+	_peer->session().api().inviteLinks().requestMoreLinks(
+		_peer,
+		_offsetDate,
+		_offsetLink,
+		_revoked,
+		crl::guard(this, done));
+}
+
+void Controller::appendSlice(const InviteLinksSlice &slice) {
+	const auto now = base::unixtime::now();
+	for (const auto &link : slice.links) {
+		if (!link.permanent || link.revoked) {
+			appendRow(link, now);
+		}
+		_offsetLink = link.link;
+		_offsetDate = link.date;
+	}
+	if (slice.links.size() >= slice.count) {
+		_allLoaded = true;
+	}
+	delegate()->peerListRefreshRows();
+}
+
+void Controller::rowClicked(not_null<PeerListRow*> row) {
+	ShowInviteLinkBox(_peer, static_cast<Row*>(row.get())->data());
+}
+
+void Controller::rowActionClicked(not_null<PeerListRow*> row) {
+	delegate()->peerListShowRowMenu(row, nullptr);
+}
+
+base::unique_qptr<Ui::PopupMenu> Controller::rowContextMenu(
+		QWidget *parent,
+		not_null<PeerListRow*> row) {
+	auto result = createRowContextMenu(parent, row);
+
+	if (result) {
+		// First clear _menu value, so that we don't check row positions yet.
+		base::take(_menu);
+
+		// Here unique_qptr is used like a shared pointer, where
+		// not the last destroyed pointer destroys the object, but the first.
+		_menu = base::unique_qptr<Ui::PopupMenu>(result.get());
+	}
+
+	return result;
+}
+
+base::unique_qptr<Ui::PopupMenu> Controller::createRowContextMenu(
+		QWidget *parent,
+		not_null<PeerListRow*> row) {
+	const auto real = static_cast<Row*>(row.get());
+	const auto data = real->data();
+	const auto link = data.link;
+	auto result = base::make_unique_q<Ui::PopupMenu>(parent);
+	if (data.revoked) {
+		result->addAction(tr::lng_group_invite_context_delete(tr::now), [=] {
+			DeleteLink(_peer, link);
+		});
+	} else {
+		result->addAction(tr::lng_group_invite_context_copy(tr::now), [=] {
+			CopyInviteLink(link);
+		});
+		result->addAction(tr::lng_group_invite_context_share(tr::now), [=] {
+			ShareInviteLinkBox(_peer, link);
+		});
+		result->addAction(tr::lng_group_invite_context_edit(tr::now), [=] {
+			EditLink(_peer, data);
+		});
+		result->addAction(tr::lng_group_invite_context_revoke(tr::now), [=] {
+			RevokeLink(_peer, link);
+		});
+	}
+	return result;
+}
+
+Main::Session &Controller::session() const {
+	return _peer->session();
+}
+
+void Controller::appendRow(const InviteLinkData &data, TimeId now) {
+	delegate()->peerListAppendRow(std::make_unique<Row>(this, data, now));
+}
+
+void Controller::prependRow(const InviteLinkData &data, TimeId now) {
+	delegate()->peerListPrependRow(std::make_unique<Row>(this, data, now));
+}
+
+void Controller::updateRow(const InviteLinkData &data, TimeId now) {
+	if (const auto row = delegate()->peerListFindRow(ComputeRowId(data))) {
+		const auto real = static_cast<Row*>(row);
+		real->update(data, now);
+		checkExpiringTimer(real);
+		delegate()->peerListUpdateRow(row);
+	}
+}
+
+bool Controller::removeRow(const QString &link) {
+	if (const auto row = delegate()->peerListFindRow(ComputeRowId(link))) {
+		delegate()->peerListRemoveRow(row);
+		return true;
+	}
+	return false;
+}
+
+void Controller::checkExpiringTimer(not_null<Row*> row) {
+	const auto updateIn = row->updateExpireIn();
+	if (updateIn > 0) {
+		_expiringRows.emplace(row);
+		if (!_updateExpiringTimer.isActive()
+			|| updateIn < _updateExpiringTimer.remainingTime()) {
+			_updateExpiringTimer.callOnce(updateIn);
+		}
+	} else {
+		_expiringRows.remove(row);
+	}
+}
+
+void Controller::expiringProgressTimer() {
+	const auto now = base::unixtime::now();
+	auto minimalIn = 0;
+	for (auto i = begin(_expiringRows); i != end(_expiringRows);) {
+		(*i)->updateExpireProgress(now);
+		const auto updateIn = (*i)->updateExpireIn();
+		if (!updateIn) {
+			i = _expiringRows.erase(i);
+		} else {
+			++i;
+			if (!minimalIn || minimalIn > updateIn) {
+				minimalIn = updateIn;
+			}
+		}
+	}
+	if (minimalIn) {
+		_updateExpiringTimer.callOnce(minimalIn);
+	}
+}
+
+void Controller::rowUpdateRow(not_null<Row*> row) {
+	delegate()->peerListUpdateRow(row);
+}
+
+void Controller::rowPaintIcon(
+		QPainter &p,
+		int x,
+		int y,
+		int size,
+		float64 progress,
+		Color color) {
+	const auto skip = st::inviteLinkIconSkip;
+	const auto inner = size - 2 * skip;
+	const auto bg = [&] {
+		switch (color) {
+		case Color::Permanent: return &st::msgFile1Bg;
+		case Color::Expiring: return &st::msgFile2Bg;
+		case Color::ExpireSoon: return &st::msgFile4Bg;
+		case Color::Expired: return &st::msgFile3Bg;
+		case Color::Revoked: return &st::windowSubTextFg;
+		}
+		Unexpected("Color in Controller::rowPaintIcon.");
+	}();
+	auto &icon = _icons[int(color)];
+	if (icon.isNull()) {
+		icon = QImage(
+			QSize(inner, inner) * style::DevicePixelRatio(),
+			QImage::Format_ARGB32_Premultiplied);
+		icon.fill(Qt::transparent);
+		icon.setDevicePixelRatio(style::DevicePixelRatio());
+
+		auto p = QPainter(&icon);
+		p.setPen(Qt::NoPen);
+		p.setBrush(*bg);
+		auto hq = PainterHighQualityEnabler(p);
+		p.drawEllipse(0, 0, inner, inner);
+		st::inviteLinkIcon.paintInCenter(p, { 0, 0, inner, inner });
+	}
+	p.drawImage(x + skip, y + skip, icon);
+	if (progress >= 0. && progress < 1.) {
+		const auto stroke = st::inviteLinkIconStroke;
+		auto hq = PainterHighQualityEnabler(p);
+		auto pen = QPen((*bg)->c);
+		pen.setWidth(stroke);
+		pen.setCapStyle(Qt::RoundCap);
+		p.setPen(pen);
+		p.setBrush(Qt::NoBrush);
+
+		const auto margins = 1.5 * stroke;
+		p.drawArc(QRectF(x + skip, y + skip, inner, inner).marginsAdded({
+			margins,
+			margins,
+			margins,
+			margins,
+		}), (kFullArcLength / 4), kFullArcLength * (1. - progress));
+	}
+}
+
+} // namespace
+
+not_null<Ui::RpWidget*> AddLinksList(
+		not_null<Ui::VerticalLayout*> container,
+		not_null<PeerData*> peer,
+		bool revoked) {
+	const auto delegate = container->lifetime().make_state<
+		PeerListContentDelegateSimple
+	>();
+	const auto controller = container->lifetime().make_state<Controller>(
+		peer,
+		revoked);
+	controller->setStyleOverrides(&st::inviteLinkList);
+	const auto content = container->add(object_ptr<PeerListContent>(
+		container,
+		controller));
+	delegate->setContent(content);
+	controller->setDelegate(delegate);
+
+	return content;
+}
+
+void ManageInviteLinksBox(
+		not_null<Ui::GenericBox*> box,
+		not_null<PeerData*> peer) {
+	using namespace Settings;
+
+	box->setTitle(tr::lng_group_invite_title());
+
+	const auto container = box->verticalLayout();
+	AddSubsectionTitle(container, tr::lng_create_permanent_link_title());
+	AddPermanentLinkBlock(container, peer);
+	AddDivider(container);
+
+	const auto add = AddCreateLinkButton(container);
+	add->setClickedCallback([=] {
+		EditLink(peer, InviteLinkData{ .admin = peer->session().user() });
+	});
+
+	const auto list = AddLinksList(container, peer, false);
+	const auto dividerAbout = container->add(object_ptr<Ui::SlideWrap<>>(
+		container,
+		object_ptr<Ui::DividerLabel>(
+			container,
+			object_ptr<Ui::FlatLabel>(
+				container,
+				tr::lng_group_invite_add_about(),
+				st::boxDividerLabel),
+			st::settingsDividerLabelPadding)),
+		style::margins(0, st::inviteLinkCreateSkip, 0, 0));
+	const auto divider = container->add(object_ptr<Ui::SlideWrap<>>(
+		container,
+		object_ptr<Ui::BoxContentDivider>(container)));
+	const auto header = container->add(object_ptr<Ui::SlideWrap<>>(
+		container,
+		object_ptr<Ui::FlatLabel>(
+			container,
+			tr::lng_group_invite_revoked_title(),
+			st::settingsSubsectionTitle),
+		st::inviteLinkRevokedTitlePadding));
+	const auto revoked = AddLinksList(container, peer, true);
+
+	const auto deleteAll = Ui::CreateChild<Ui::LinkButton>(
+		container.get(),
+		tr::lng_group_invite_context_delete_all(tr::now),
+		st::defaultLinkButton);
+	rpl::combine(
+		header->topValue(),
+		container->widthValue()
+	) | rpl::start_with_next([=](int top, int outerWidth) {
+		deleteAll->moveToRight(
+			st::inviteLinkRevokedTitlePadding.left(),
+			top + st::inviteLinkRevokedTitlePadding.top(),
+			outerWidth);
+	}, deleteAll->lifetime());
+	deleteAll->setClickedCallback([=] {
+		DeleteAllRevoked(peer);
+	});
+
+	rpl::combine(
+		list->heightValue(),
+		revoked->heightValue()
+	) | rpl::start_with_next([=](int list, int revoked) {
+		dividerAbout->toggle(!list, anim::type::instant);
+		divider->toggle(list > 0 && revoked > 0, anim::type::instant);
+		header->toggle(revoked > 0, anim::type::instant);
+		deleteAll->setVisible(revoked > 0);
+	}, header->lifetime());
+
+	box->addButton(tr::lng_about_done(), [=] { box->closeBox(); });
+}

Telegram/SourceFiles/boxes/peers/edit_peer_invite_links.h

@@ -7,8 +7,10 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #pragma once
 
-#pragma warning(push)
-// class has virtual functions, but destructor is not virtual
-#pragma warning(disable:4265)
-#include <wrl/implements.h>
-#pragma warning(pop)
+#include "ui/layers/generic_box.h"
+
+class PeerData;
+
+void ManageInviteLinksBox(
+	not_null<Ui::GenericBox*> box,
+	not_null<PeerData*> peer);

Telegram/SourceFiles/boxes/peers/edit_peer_type_box.cpp

@@ -8,11 +8,15 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "boxes/peers/edit_peer_type_box.h"
 
 #include "apiwrap.h"
+#include "api/api_invite_links.h"
 #include "main/main_session.h"
 #include "boxes/add_contact_box.h"
 #include "boxes/confirm_box.h"
 #include "boxes/peer_list_controllers.h"
 #include "boxes/peers/edit_participants_box.h"
+#include "boxes/peers/edit_peer_info_box.h" // CreateButton.
+#include "boxes/peers/edit_peer_invite_link.h"
+#include "boxes/peers/edit_peer_invite_links.h"
 #include "chat_helpers/emoji_suggestions_widget.h"
 #include "core/application.h"
 #include "data/data_channel.h"
@@ -31,15 +35,18 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/widgets/checkbox.h"
 #include "ui/widgets/input_fields.h"
 #include "ui/widgets/labels.h"
+#include "ui/widgets/popup_menu.h"
 #include "ui/widgets/box_content_divider.h"
 #include "ui/wrap/padding_wrap.h"
 #include "ui/wrap/slide_wrap.h"
 #include "ui/wrap/vertical_layout.h"
 #include "ui/special_fields.h"
 #include "window/window_session_controller.h"
+#include "settings/settings_common.h"
 #include "styles/style_layers.h"
 #include "styles/style_boxes.h"
 #include "styles/style_info.h"
+#include "styles/style_settings.h"
 
 #include <QtGui/QGuiApplication>
 #include <QtGui/QClipboard>
@@ -57,7 +64,7 @@ public:
 		not_null<Ui::VerticalLayout*> container,
 		not_null<PeerData*> peer,
 		bool useLocationPhrases,
-		std::optional<Privacy> privacySavedValue,
+		Privacy privacySavedValue,
 		std::optional<QString> usernameSavedValue);
 
 	void createContent();
@@ -65,17 +72,11 @@ public:
 	void setFocusUsername();
 
 	rpl::producer<QString> getTitle() {
-		return _isInviteLink
-			? tr::lng_profile_invite_link_section()
-			: _isGroup
+		return _isGroup
 			? tr::lng_manage_peer_group_type()
 			: tr::lng_manage_peer_channel_type();
 	}
 
-	bool isInviteLink() {
-		return _isInviteLink;
-	}
-
 	bool isAllowSave() {
 		return _isAllowSave;
 	}
@@ -97,19 +98,14 @@ private:
 		base::unique_qptr<Ui::FlatLabel> usernameResult;
 		const style::FlatLabel *usernameResultStyle = nullptr;
 
-		Ui::SlideWrap<Ui::RpWidget> *createInviteLinkWrap = nullptr;
-		Ui::SlideWrap<Ui::RpWidget> *editInviteLinkWrap = nullptr;
+		Ui::SlideWrap<Ui::RpWidget> *inviteLinkWrap = nullptr;
 		Ui::FlatLabel *inviteLink = nullptr;
 	};
 
 	Controls _controls;
 
-	object_ptr<Ui::RpWidget> createPrivaciesEdit();
 	object_ptr<Ui::RpWidget> createUsernameEdit();
-	object_ptr<Ui::RpWidget> createInviteLinkCreate();
-	object_ptr<Ui::RpWidget> createInviteLinkEdit();
-
-	void observeInviteLink();
+	object_ptr<Ui::RpWidget> createInviteLinkBlock();
 
 	void privacyChanged(Privacy value);
 
@@ -122,13 +118,6 @@ private:
 		rpl::producer<QString> &&text,
 		not_null<const style::FlatLabel*> st);
 
-	bool canEditInviteLink() const;
-	void refreshEditInviteLink();
-	void refreshCreateInviteLink();
-	void createInviteLink();
-	void revokeInviteLink();
-	void exportInviteLink(const QString &confirmation);
-
 	void fillPrivaciesButtons(
 		not_null<Ui::VerticalLayout*> parent,
 		std::optional<Privacy> savedValue = std::nullopt);
@@ -143,12 +132,11 @@ private:
 
 	not_null<PeerData*> _peer;
 	MTP::Sender _api;
-	std::optional<Privacy> _privacySavedValue;
+	Privacy _privacySavedValue = Privacy();
 	std::optional<QString> _usernameSavedValue;
 
 	bool _useLocationPhrases = false;
 	bool _isGroup = false;
-	bool _isInviteLink = false;
 	bool _isAllowSave = false;
 
 	base::unique_qptr<Ui::VerticalLayout> _wrap;
@@ -165,7 +153,7 @@ Controller::Controller(
 	not_null<Ui::VerticalLayout*> container,
 	not_null<PeerData*> peer,
 	bool useLocationPhrases,
-	std::optional<Privacy> privacySavedValue,
+	Privacy privacySavedValue,
 	std::optional<QString> usernameSavedValue)
 : _peer(peer)
 , _api(&_peer->session().mtp())
@@ -173,8 +161,6 @@ Controller::Controller(
 , _usernameSavedValue(usernameSavedValue)
 , _useLocationPhrases(useLocationPhrases)
 , _isGroup(_peer->isChat() || _peer->isMegagroup())
-, _isInviteLink(!_privacySavedValue.has_value()
-	&& !_usernameSavedValue.has_value())
 , _isAllowSave(!_usernameSavedValue.value_or(QString()).isEmpty())
 , _wrap(container)
 , _checkUsernameTimer([=] { checkUsernameAvailability(); }) {
@@ -184,20 +170,28 @@ Controller::Controller(
 void Controller::createContent() {
 	_controls = Controls();
 
-	if (_isInviteLink) {
-		_wrap->add(createInviteLinkCreate());
-		_wrap->add(createInviteLinkEdit());
-		return;
-	}
-
 	fillPrivaciesButtons(_wrap, _privacySavedValue);
 	// Skip.
 	_wrap->add(object_ptr<Ui::BoxContentDivider>(_wrap));
 	//
-	_wrap->add(createInviteLinkCreate());
-	_wrap->add(createInviteLinkEdit());
+	_wrap->add(createInviteLinkBlock());
 	_wrap->add(createUsernameEdit());
 
+	//using namespace Settings; // #TODO links
+	//AddSkip(_wrap.get());
+	//_wrap->add(EditPeerInfoBox::CreateButton(
+	//	_wrap.get(),
+	//	tr::lng_group_invite_manage(),
+	//	rpl::single(QString()),
+	//	[=] { Ui::show(
+	//		Box(ManageInviteLinksBox, _peer),
+	//		Ui::LayerOption::KeepOther);
+	//	},
+	//	st::manageGroupButton,
+	//	&st::infoIconInviteLinks));
+	//AddSkip(_wrap.get());
+	//AddDividerText(_wrap.get(), tr::lng_group_invite_manage_about());
+
 	if (_controls.privacy->value() == Privacy::NoUsername) {
 		checkUsernameAvailability();
 	}
@@ -312,21 +306,23 @@ object_ptr<Ui::RpWidget> Controller::createUsernameEdit() {
 
 	auto result = object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
 		_wrap,
-		object_ptr<Ui::VerticalLayout>(_wrap),
-		st::editPeerUsernameMargins);
+		object_ptr<Ui::VerticalLayout>(_wrap));
 	_controls.usernameWrap = result.data();
 
 	const auto container = result->entity();
-	container->add(object_ptr<Ui::PaddingWrap<Ui::FlatLabel>>(
-		container,
+
+	using namespace Settings;
+	AddSkip(container);
+	container->add(
 		object_ptr<Ui::FlatLabel>(
 			container,
 			tr::lng_create_group_link(),
-			st::editPeerSectionLabel),
-		st::editPeerUsernameTitleLabelMargins));
+			st::settingsSubsectionTitle),
+		st::settingsSubsectionTitlePadding);
 
-	const auto placeholder = container->add(object_ptr<Ui::RpWidget>(
-		container));
+	const auto placeholder = container->add(
+		object_ptr<Ui::RpWidget>(container),
+		st::editPeerUsernameFieldMargins);
 	placeholder->setAttribute(Qt::WA_TransparentForMouseEvents);
 	_controls.usernameInput = Ui::AttachParentChild(
 		container,
@@ -348,13 +344,9 @@ object_ptr<Ui::RpWidget> Controller::createUsernameEdit() {
 	}, placeholder->lifetime());
 	_controls.usernameInput->move(placeholder->pos());
 
-	container->add(object_ptr<Ui::PaddingWrap<Ui::FlatLabel>>(
+	AddDividerText(
 		container,
-		object_ptr<Ui::FlatLabel>(
-			container,
-			tr::lng_create_channel_link_about(),
-			st::editPeerPrivacyLabel),
-		st::editPeerUsernameAboutLabelMargins));
+		tr::lng_create_channel_link_about());
 
 	QObject::connect(
 		_controls.usernameInput,
@@ -368,6 +360,11 @@ object_ptr<Ui::RpWidget> Controller::createUsernameEdit() {
 }
 
 void Controller::privacyChanged(Privacy value) {
+	const auto toggleInviteLink = [&] {
+		_controls.inviteLinkWrap->toggle(
+			(value != Privacy::HasUsername),
+			anim::type::instant);
+	};
 	const auto toggleEditUsername = [&] {
 		_controls.usernameWrap->toggle(
 			(value == Privacy::HasUsername),
@@ -378,16 +375,14 @@ void Controller::privacyChanged(Privacy value) {
 		// Otherwise box will change own Y position.
 
 		if (value == Privacy::HasUsername) {
-			refreshCreateInviteLink();
-			refreshEditInviteLink();
+			toggleInviteLink();
 			toggleEditUsername();
 
 			_controls.usernameResult = nullptr;
 			checkUsernameAvailability();
 		} else {
 			toggleEditUsername();
-			refreshCreateInviteLink();
-			refreshEditInviteLink();
+			toggleInviteLink();
 		}
 	};
 	if (value == Privacy::HasUsername) {
@@ -535,187 +530,46 @@ void Controller::showUsernameResult(
 	_usernameResultTexts.fire(std::move(text));
 }
 
-void Controller::createInviteLink() {
-	exportInviteLink((_isGroup
-		? tr::lng_group_invite_about
-		: tr::lng_group_invite_about_channel)(tr::now));
-}
-
-void Controller::revokeInviteLink() {
-	exportInviteLink(tr::lng_group_invite_about_new(tr::now));
-}
-
-void Controller::exportInviteLink(const QString &confirmation) {
-	const auto callback = crl::guard(this, [=](Fn<void()> &&close) {
-		close();
-		_peer->session().api().exportInviteLink(_peer->migrateToOrMe());
-	});
-	auto box = Box<ConfirmBox>(
-		confirmation,
-		std::move(callback));
-	Ui::show(std::move(box), Ui::LayerOption::KeepOther);
-}
-
-bool Controller::canEditInviteLink() const {
-	if (const auto channel = _peer->asChannel()) {
-		return channel->amCreator()
-			|| (channel->adminRights() & ChatAdminRight::f_invite_users);
-	} else if (const auto chat = _peer->asChat()) {
-		return chat->amCreator()
-			|| (chat->adminRights() & ChatAdminRight::f_invite_users);
-	}
-	return false;
-}
-
-void Controller::observeInviteLink() {
-	if (!_controls.editInviteLinkWrap) {
-		return;
-	}
-	_peer->session().changes().peerFlagsValue(
-		_peer,
-		Data::PeerUpdate::Flag::InviteLink
-	) | rpl::start_with_next([=] {
-		refreshCreateInviteLink();
-		refreshEditInviteLink();
-	}, _controls.editInviteLinkWrap->lifetime());
-}
-
-object_ptr<Ui::RpWidget> Controller::createInviteLinkEdit() {
+object_ptr<Ui::RpWidget> Controller::createInviteLinkBlock() {
 	Expects(_wrap != nullptr);
 
-	if (!canEditInviteLink()) {
-		return nullptr;
-	}
-
 	auto result = object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
 		_wrap,
-		object_ptr<Ui::VerticalLayout>(_wrap),
-		st::editPeerInvitesMargins);
-	_controls.editInviteLinkWrap = result.data();
+		object_ptr<Ui::VerticalLayout>(_wrap));
+	_controls.inviteLinkWrap = result.data();
 
 	const auto container = result->entity();
-	if (!_isInviteLink) {
-		container->add(object_ptr<Ui::FlatLabel>(
-			container,
-			tr::lng_profile_invite_link_section(),
-			st::editPeerSectionLabel));
-		container->add(object_ptr<Ui::FixedHeightWidget>(
-			container,
-			st::editPeerInviteLinkBoxBottomSkip));
-	}
 
-	_controls.inviteLink = container->add(object_ptr<Ui::FlatLabel>(
-		container,
-		st::editPeerInviteLink));
-	_controls.inviteLink->setSelectable(true);
-	_controls.inviteLink->setContextCopyText(QString());
-	_controls.inviteLink->setBreakEverywhere(true);
-	_controls.inviteLink->setClickHandlerFilter([=](auto&&...) {
-		QGuiApplication::clipboard()->setText(inviteLinkText());
-		Ui::Toast::Show(tr::lng_group_invite_copied(tr::now));
-		return false;
-	});
+	using namespace Settings;
+	AddSkip(container);
 
-	container->add(object_ptr<Ui::FixedHeightWidget>(
-		container,
-		st::editPeerInviteLinkSkip));
-	container->add(object_ptr<Ui::LinkButton>(
-		container,
-		tr::lng_group_invite_create_new(tr::now),
-		st::editPeerInviteLinkButton)
-	)->addClickHandler([=] { revokeInviteLink(); });
+	AddSubsectionTitle(container, tr::lng_create_permanent_link_title());
+	AddPermanentLinkBlock(container, _peer);
 
-	observeInviteLink();
+	AddSkip(container);
+
+	AddDividerText(
+		container,
+		((_peer->isMegagroup() || _peer->asChat())
+			? tr::lng_group_invite_about_permanent_group()
+			: tr::lng_group_invite_about_permanent_channel()));
 
 	return result;
 }
 
-void Controller::refreshEditInviteLink() {
-	const auto link = inviteLinkText();
-	auto text = TextWithEntities();
-	if (!link.isEmpty()) {
-		text.text = link;
-		const auto remove = qstr("https://");
-		if (text.text.startsWith(remove)) {
-			text.text.remove(0, remove.size());
-		}
-		text.entities.push_back({
-			EntityType::CustomUrl,
-			0,
-			text.text.size(),
-			link });
-	}
-	_controls.inviteLink->setMarkedText(text);
-
-	// Hack to expand FlatLabel width to naturalWidth again.
-	_controls.editInviteLinkWrap->resizeToWidth(st::boxWideWidth);
-
-	_controls.editInviteLinkWrap->toggle(
-		inviteLinkShown() && !link.isEmpty(),
-		anim::type::instant);
-}
-
-object_ptr<Ui::RpWidget> Controller::createInviteLinkCreate() {
-	Expects(_wrap != nullptr);
-
-	if (!canEditInviteLink()) {
-		return nullptr;
-	}
-
-	auto result = object_ptr<Ui::SlideWrap<Ui::VerticalLayout>>(
-		_wrap,
-		object_ptr<Ui::VerticalLayout>(_wrap),
-		st::editPeerInvitesMargins);
-	const auto container = result->entity();
-
-	if (!_isInviteLink) {
-		container->add(object_ptr<Ui::FlatLabel>(
-			container,
-			tr::lng_profile_invite_link_section(),
-			st::editPeerSectionLabel));
-		container->add(object_ptr<Ui::FixedHeightWidget>(
-			container,
-			st::editPeerInviteLinkSkip));
-	}
-
-	container->add(object_ptr<Ui::LinkButton>(
-		_wrap,
-		tr::lng_group_invite_create(tr::now),
-		st::editPeerInviteLinkButton)
-	)->addClickHandler([this] {
-		createInviteLink();
-	});
-	_controls.createInviteLinkWrap = result.data();
-
-	observeInviteLink();
-
-	return result;
-}
-
-void Controller::refreshCreateInviteLink() {
-	_controls.createInviteLinkWrap->toggle(
-		inviteLinkShown() && inviteLinkText().isEmpty(),
-		anim::type::instant);
-}
-
 bool Controller::inviteLinkShown() {
 	return !_controls.privacy
-		|| (_controls.privacy->value() == Privacy::NoUsername)
-		|| _isInviteLink;
+		|| (_controls.privacy->value() == Privacy::NoUsername);
 }
 
 } // namespace
 
-EditPeerTypeBox::EditPeerTypeBox(QWidget*, not_null<PeerData*> peer)
-: EditPeerTypeBox(nullptr, peer, false, {}, {}, {}, {}) {
-}
-
 EditPeerTypeBox::EditPeerTypeBox(
 	QWidget*,
 	not_null<PeerData*> peer,
 	bool useLocationPhrases,
 	std::optional<FnMut<void(Privacy, QString)>> savedCallback,
-	std::optional<Privacy> privacySaved,
+	Privacy privacySaved,
 	std::optional<QString> usernameSaved,
 	std::optional<rpl::producer<QString>> usernameError)
 : _peer(peer)
@@ -733,11 +587,11 @@ void EditPeerTypeBox::setInnerFocus() {
 void EditPeerTypeBox::prepare() {
 	_peer->updateFull();
 
-	const auto content = Ui::CreateChild<Ui::VerticalLayout>(this);
+	auto content = object_ptr<Ui::VerticalLayout>(this);
 
 	const auto controller = Ui::CreateChild<Controller>(
 		this,
-		content,
+		content.data(),
 		_peer,
 		_useLocationPhrases,
 		_privacySavedValue,
@@ -756,7 +610,7 @@ void EditPeerTypeBox::prepare() {
 
 	setTitle(controller->getTitle());
 
-	if (!controller->isInviteLink() && _savedCallback.has_value()) {
+	if (_savedCallback.has_value()) {
 		addButton(tr::lng_settings_save(), [=] {
 			const auto v = controller->getPrivacy();
 			if (!controller->isAllowSave() && (v == Privacy::HasUsername)) {
@@ -768,13 +622,12 @@ void EditPeerTypeBox::prepare() {
 			local(v,
 				(v == Privacy::HasUsername)
 					? controller->getUsernameInput()
-					: QString()); // We dont need username with private type.
+					: QString()); // We don't need username with private type.
 			closeBox();
 		});
 	}
-	addButton(
-		controller->isInviteLink() ? tr::lng_close() : tr::lng_cancel(),
-		[=] { closeBox(); });
+	addButton(tr::lng_cancel(), [=] { closeBox(); });
 
-	setDimensionsToContent(st::boxWideWidth, content);
+	setDimensionsToContent(st::boxWideWidth, content.data());
+	setInnerWidget(std::move(content));
 }

Telegram/SourceFiles/boxes/peers/edit_peer_type_box.h

@@ -32,15 +32,12 @@ enum class UsernameState {
 
 class EditPeerTypeBox : public Ui::BoxContent {
 public:
-	// Edit just the invite link.
-	EditPeerTypeBox(QWidget*, not_null<PeerData*> peer);
-
 	EditPeerTypeBox(
 		QWidget*,
 		not_null<PeerData*> peer,
 		bool useLocationPhrases,
 		std::optional<FnMut<void(Privacy, QString)>> savedCallback,
-		std::optional<Privacy> privacySaved,
+		Privacy privacySaved,
 		std::optional<QString> usernameSaved,
 		std::optional<rpl::producer<QString>> usernameError = {});
 
@@ -53,7 +50,7 @@ private:
 	bool _useLocationPhrases = false;
 	std::optional<FnMut<void(Privacy, QString)>> _savedCallback;
 
-	std::optional<Privacy> _privacySavedValue;
+	Privacy _privacySavedValue = Privacy();
 	std::optional<QString> _usernameSavedValue;
 	std::optional<rpl::producer<QString>> _usernameError;
 

Telegram/SourceFiles/boxes/report_box.cpp

@@ -73,10 +73,9 @@ void ReportBox::prepare() {
 			st::defaultBoxCheckbox);
 	};
 	createButton(_reasonSpam, Reason::Spam, tr::lng_report_reason_spam(tr::now));
+	createButton(_reasonFake, Reason::Fake, tr::lng_report_reason_fake(tr::now));
 	createButton(_reasonViolence, Reason::Violence, tr::lng_report_reason_violence(tr::now));
-	if (_ids) {
-		createButton(_reasonChildAbuse, Reason::ChildAbuse, tr::lng_report_reason_child_abuse(tr::now));
-	}
+	createButton(_reasonChildAbuse, Reason::ChildAbuse, tr::lng_report_reason_child_abuse(tr::now));
 	createButton(_reasonPornography, Reason::Pornography, tr::lng_report_reason_pornography(tr::now));
 	createButton(_reasonOther, Reason::Other, tr::lng_report_reason_other(tr::now));
 	_reasonGroup->setChangedCallback([=](Reason value) {
@@ -90,14 +89,10 @@ void ReportBox::resizeEvent(QResizeEvent *e) {
 	BoxContent::resizeEvent(e);
 
 	_reasonSpam->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), st::boxOptionListPadding.top() + _reasonSpam->getMargins().top());
-	_reasonViolence->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonSpam->bottomNoMargins() + st::boxOptionListSkip);
-	if (_ids) {
-		_reasonChildAbuse->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonViolence->bottomNoMargins() + st::boxOptionListSkip);
-		_reasonPornography->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonChildAbuse->bottomNoMargins() + st::boxOptionListSkip);
-	}
-	else{
-		_reasonPornography->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonViolence->bottomNoMargins() + st::boxOptionListSkip);
-	}
+	_reasonFake->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonSpam->bottomNoMargins() + st::boxOptionListSkip);
+	_reasonViolence->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonFake->bottomNoMargins() + st::boxOptionListSkip);
+	_reasonChildAbuse->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonViolence->bottomNoMargins() + st::boxOptionListSkip);
+	_reasonPornography->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonChildAbuse->bottomNoMargins() + st::boxOptionListSkip);
 	_reasonOther->moveToLeft(st::boxPadding.left() + st::boxOptionListPadding.left(), _reasonPornography->bottomNoMargins() + st::boxOptionListSkip);
 
 	if (_reasonOtherText) {
@@ -156,6 +151,7 @@ void ReportBox::report() {
 	const auto reason = [&] {
 		switch (_reasonGroup->value()) {
 		case Reason::Spam: return MTP_inputReportReasonSpam();
+		case Reason::Fake: return MTP_inputReportReasonFake();
 		case Reason::Violence: return MTP_inputReportReasonViolence();
 		case Reason::ChildAbuse: return MTP_inputReportReasonChildAbuse();
 		case Reason::Pornography: return MTP_inputReportReasonPornography();
@@ -203,7 +199,7 @@ void ReportBox::reportFail(const RPCError &error) {
 }
 
 void ReportBox::updateMaxHeight() {
-	const auto buttonsCount = _ids ? 5 : 4;
+	const auto buttonsCount = 6;
 	auto newHeight = st::boxOptionListPadding.top() + _reasonSpam->getMargins().top() + buttonsCount * _reasonSpam->heightNoMargins() + (buttonsCount - 1) * st::boxOptionListSkip + _reasonSpam->getMargins().bottom() + st::boxOptionListPadding.bottom();
 
 	if (_reasonOtherText) {

Telegram/SourceFiles/boxes/report_box.h

@@ -37,6 +37,7 @@ protected:
 private:
 	enum class Reason {
 		Spam,
+		Fake,
 		Violence,
 		ChildAbuse,
 		Pornography,
@@ -56,6 +57,7 @@ private:
 
 	std::shared_ptr<Ui::RadioenumGroup<Reason>> _reasonGroup;
 	object_ptr<Ui::Radioenum<Reason>> _reasonSpam = { nullptr };
+	object_ptr<Ui::Radioenum<Reason>> _reasonFake = { nullptr };
 	object_ptr<Ui::Radioenum<Reason>> _reasonViolence = { nullptr };
 	object_ptr<Ui::Radioenum<Reason>> _reasonChildAbuse = { nullptr };
 	object_ptr<Ui::Radioenum<Reason>> _reasonPornography = { nullptr };

Telegram/SourceFiles/calls/calls.style

@@ -778,6 +778,47 @@ groupCallMajorBlobMaxRadius: 4px;
 groupCallMinorBlobIdleRadius: 3px;
 groupCallMinorBlobMaxRadius: 12px;
 
+groupCallMuteCrossLine: CrossLineAnimation {
+	fg: groupCallIconFg;
+	icon: icon {{ "calls/volume/speaker", groupCallIconFg }};
+	startPosition: point(2px, 5px);
+	endPosition: point(16px, 19px);
+	stroke: 2px;
+}
+
+groupCallMenuSpeakerArcsSkip: 1px;
+groupCallMenuVolumeSkip: 5px;
+groupCallMenuVolumeSlider: MediaSlider(defaultContinuousSlider) {
+	activeFg: groupCallMembersFg;
+	inactiveFg: groupCallMemberInactiveIcon;
+	activeFgOver: groupCallMembersFg;
+	inactiveFgOver: groupCallMemberInactiveIcon;
+	activeFgDisabled: groupCallMemberInactiveIcon;
+	receivedTillFg: groupCallMemberInactiveIcon;
+}
+
+groupCallSpeakerArcsAnimation: ArcsAnimation {
+	fg: groupCallIconFg;
+	stroke: 2px;
+	space: 4px;
+	duration: 200;
+	deltaAngle: 60;
+	deltaHeight: 6px;
+	deltaWidth: 7px;
+	startHeight: 3px;
+	startWidth: 0px;
+}
+
+groupCallStatusSpeakerIcon: icon {{ "calls/volume/speaker_small", groupCallIconFg }};
+groupCallStatusSpeakerArcsSkip: 3px;
+groupCallStatusSpeakerArcsAnimation: ArcsAnimation(groupCallSpeakerArcsAnimation) {
+	deltaAngle: 68;
+	space: 3px;
+	deltaHeight: 5px;
+	deltaWidth: 4px;
+	startHeight: 1px;
+}
+
 callTopBarMuteCrossLine: CrossLineAnimation {
 	fg: callBarFg;
 	icon: icon {{ "calls/call_record_active", callBarFg }};

Telegram/SourceFiles/calls/calls_box_controller.cpp

@@ -7,10 +7,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "calls/calls_box_controller.h"
 
-#include "styles/style_calls.h"
-#include "styles/style_boxes.h"
 #include "lang/lang_keys.h"
 #include "ui/effects/ripple_animation.h"
+#include "ui/widgets/labels.h"
+#include "ui/widgets/checkbox.h"
+#include "ui/widgets/popup_menu.h"
 #include "core/application.h"
 #include "calls/calls_instance.h"
 #include "history/history.h"
@@ -22,7 +23,14 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_changes.h"
 #include "data/data_media_types.h"
 #include "data/data_user.h"
+#include "boxes/confirm_box.h"
+#include "base/unixtime.h"
+#include "api/api_updates.h"
 #include "app.h"
+#include "apiwrap.h"
+#include "styles/style_layers.h" // st::boxLabel.
+#include "styles/style_calls.h"
+#include "styles/style_boxes.h"
 
 namespace Calls {
 namespace {
@@ -49,6 +57,7 @@ public:
 
 	bool canAddItem(not_null<const HistoryItem*> item) const {
 		return (ComputeType(item) == _type)
+			&& (!hasItems() || _items.front()->history() == item->history())
 			&& (ItemDateTime(item).date() == _date);
 	}
 	void addItem(not_null<HistoryItem*> item) {
@@ -66,20 +75,26 @@ public:
 			refreshStatus();
 		}
 	}
-	bool hasItems() const {
+	[[nodiscard]] bool hasItems() const {
 		return !_items.empty();
 	}
 
-	MsgId minItemId() const {
+	[[nodiscard]] MsgId minItemId() const {
 		Expects(hasItems());
+
 		return _items.back()->id;
 	}
 
-	MsgId maxItemId() const {
+	[[nodiscard]] MsgId maxItemId() const {
 		Expects(hasItems());
+
 		return _items.front()->id;
 	}
 
+	[[nodiscard]] const std::vector<not_null<HistoryItem*>> &items() const {
+		return _items;
+	}
+
 	void paintStatusText(
 		Painter &p,
 		const style::PeerListItem &st,
@@ -333,6 +348,22 @@ void BoxController::loadMoreRows() {
 	}).send();
 }
 
+base::unique_qptr<Ui::PopupMenu> BoxController::rowContextMenu(
+		QWidget *parent,
+		not_null<PeerListRow*> row) {
+	const auto &items = static_cast<Row*>(row.get())->items();
+	const auto session = &this->session();
+	const auto ids = session->data().itemsToIds(items);
+
+	auto result = base::make_unique_q<Ui::PopupMenu>(parent);
+	result->addAction(tr::lng_context_delete_selected(tr::now), [=] {
+		Ui::show(
+			Box<DeleteMessagesBox>(session, base::duplicate(ids)),
+			Ui::LayerOption::KeepOther);
+	});
+	return result;
+}
+
 void BoxController::refreshAbout() {
 	setDescriptionText(delegate()->peerListFullRowsCount() ? QString() : tr::lng_call_box_about(tr::now));
 }
@@ -448,4 +479,64 @@ std::unique_ptr<PeerListRow> BoxController::createRow(
 	return std::make_unique<Row>(item);
 }
 
+void ClearCallsBox(
+		not_null<Ui::GenericBox*> box,
+		not_null<Window::SessionController*> window) {
+	const auto weak = Ui::MakeWeak(box);
+	box->addRow(
+		object_ptr<Ui::FlatLabel>(
+			box,
+			tr::lng_call_box_clear_sure(),
+			st::boxLabel),
+		st::boxPadding);
+	const auto revokeCheckbox = box->addRow(
+		object_ptr<Ui::Checkbox>(
+			box,
+			tr::lng_delete_for_everyone_check(tr::now),
+			false,
+			st::defaultBoxCheckbox),
+		style::margins(
+			st::boxPadding.left(),
+			st::boxPadding.bottom(),
+			st::boxPadding.right(),
+			st::boxPadding.bottom()));
+
+	const auto api = &window->session().api();
+	const auto sendRequest = [=](bool revoke, auto self) -> void {
+		using Flag = MTPmessages_DeletePhoneCallHistory::Flag;
+		api->request(MTPmessages_DeletePhoneCallHistory(
+			MTP_flags(revoke ? Flag::f_revoke : Flag(0))
+		)).done([=](const MTPmessages_AffectedFoundMessages &result) {
+			result.match([&](
+					const MTPDmessages_affectedFoundMessages &data) {
+				api->applyUpdates(MTP_updates(
+					MTP_vector<MTPUpdate>(
+						1,
+						MTP_updateDeleteMessages(
+							data.vmessages(),
+							data.vpts(),
+							data.vpts_count())),
+					MTP_vector<MTPUser>(),
+					MTP_vector<MTPChat>(),
+					MTP_int(base::unixtime::now()),
+					MTP_int(0)));
+				const auto offset = data.voffset().v;
+				if (offset > 0) {
+					self(revoke, self);
+				} else {
+					api->session().data().destroyAllCallItems();
+					if (const auto strong = weak.data()) {
+						strong->closeBox();
+					}
+				}
+			});
+		}).send();
+	};
+
+	box->addButton(tr::lng_call_box_clear_button(), [=] {
+		sendRequest(revokeCheckbox->checked(), sendRequest);
+	});
+	box->addButton(tr::lng_cancel(), [=] { box->closeBox(); });
+}
+
 } // namespace Calls

Telegram/SourceFiles/calls/calls_box_controller.h

@@ -8,6 +8,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #pragma once
 
 #include "boxes/peer_list_box.h"
+#include "ui/layers/generic_box.h"
 
 namespace Window {
 class SessionController;
@@ -25,6 +26,10 @@ public:
 	void rowActionClicked(not_null<PeerListRow*> row) override;
 	void loadMoreRows() override;
 
+	base::unique_qptr<Ui::PopupMenu> rowContextMenu(
+		QWidget *parent,
+		not_null<PeerListRow*> row) override;
+
 private:
 	void receivedCalls(const QVector<MTPMessage> &result);
 	void refreshAbout();
@@ -49,4 +54,8 @@ private:
 
 };
 
+void ClearCallsBox(
+	not_null<Ui::GenericBox*> box,
+	not_null<Window::SessionController*> window);
+
 } // namespace Calls

Telegram/SourceFiles/calls/calls_call.cpp

@@ -25,6 +25,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "calls/calls_panel.h"
 #include "webrtc/webrtc_video_track.h"
 #include "webrtc/webrtc_media_devices.h"
+#include "webrtc/webrtc_create_adm.h"
 #include "data/data_user.h"
 #include "data/data_session.h"
 #include "facades.h"
@@ -231,7 +232,7 @@ void Call::startOutgoing() {
 	_api.request(MTPphone_RequestCall(
 		MTP_flags(flags),
 		_user->inputUser,
-		MTP_int(rand_value<int32>()),
+		MTP_int(openssl::RandomValue<int32>()),
 		MTP_bytes(_gaHash),
 		MTP_phoneCallProtocol(
 			MTP_flags(MTPDphoneCallProtocol::Flag::f_udp_p2p
@@ -779,6 +780,8 @@ void Call::createAndStartController(const MTPDphoneCall &call) {
 				sendSignalingData(bytes);
 			});
 		},
+		.createAudioDeviceModule = Webrtc::AudioDeviceModuleCreator(
+			settings.callAudioBackend()),
 	};
 	if (Logs::DebugEnabled()) {
 		auto callLogFolder = cWorkingDir() + qsl("DebugLogs");

Telegram/SourceFiles/calls/calls_group_call.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "calls/calls_group_call.h"
 
+#include "calls/calls_group_common.h"
 #include "main/main_session.h"
 #include "api/api_send_progress.h"
 #include "apiwrap.h"
@@ -24,7 +25,9 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_group_call.h"
 #include "data/data_session.h"
 #include "base/global_shortcuts.h"
+#include "base/openssl_help.h"
 #include "webrtc/webrtc_media_devices.h"
+#include "webrtc/webrtc_create_adm.h"
 
 #include <tgcalls/group/GroupInstanceImpl.h>
 
@@ -53,6 +56,22 @@ constexpr auto kPlayConnectingEach = crl::time(1056) + 2 * crl::time(1000);
 		settings.callVideoInputDeviceId());
 }
 
+[[nodiscard]] const Data::GroupCall::Participant *LookupParticipant(
+		not_null<PeerData*> chat,
+		uint64 id,
+		not_null<UserData*> user) {
+	const auto call = chat->groupCall();
+	if (!id || !call || call->id() != id) {
+		return nullptr;
+	}
+	const auto &participants = call->participants();
+	const auto i = ranges::find(
+		participants,
+		user,
+		&Data::GroupCall::Participant::user);
+	return (i != end(participants)) ? &*i : nullptr;
+}
+
 } // namespace
 
 GroupCall::GroupCall(
@@ -200,7 +219,7 @@ void GroupCall::playConnectingSoundOnce() {
 void GroupCall::start() {
 	_createRequestId = _api.request(MTPphone_CreateGroupCall(
 		_peer->input,
-		MTP_int(rand_value<int32>())
+		MTP_int(openssl::RandomValue<int32>())
 	)).done([=](const MTPUpdates &result) {
 		_acceptFields = true;
 		_peer->session().api().applyUpdates(result);
@@ -236,11 +255,25 @@ void GroupCall::join(const MTPInputGroupCall &inputCall) {
 	using Update = Data::GroupCall::ParticipantUpdate;
 	_peer->groupCall()->participantUpdated(
 	) | rpl::filter([=](const Update &update) {
-		return (_instance != nullptr) && !update.now;
+		return (_instance != nullptr);
 	}) | rpl::start_with_next([=](const Update &update) {
-		Expects(update.was.has_value());
-
-		_instance->removeSsrcs({ update.was->ssrc });
+		if (!update.now) {
+			_instance->removeSsrcs({ update.was->ssrc });
+		} else {
+			const auto &now = *update.now;
+			const auto &was = update.was;
+			const auto volumeChanged = was
+				? (was->volume != now.volume || was->mutedByMe != now.mutedByMe)
+				: (now.volume != Group::kDefaultVolume || now.mutedByMe);
+			if (volumeChanged) {
+				_instance->setVolume(
+					now.ssrc,
+					(now.mutedByMe
+						? 0.
+						: (now.volume
+							/ float64(Group::kDefaultVolume))));
+			}
+		}
 	}, _lifetime);
 
 	SubscribeToMigration(_peer, _lifetime, [=](not_null<ChannelData*> group) {
@@ -359,7 +392,42 @@ void GroupCall::applySelfInCallLocally() {
 					MTP_int(self->bareId()),
 					MTP_int(date),
 					MTP_int(lastActive),
-					MTP_int(_mySsrc))),
+					MTP_int(_mySsrc),
+					MTP_int(Group::kDefaultVolume))), // volume
+			MTP_int(0)).c_updateGroupCallParticipants());
+}
+
+void GroupCall::applyParticipantLocally(
+		not_null<UserData*> user,
+		bool mute,
+		std::optional<int> volume) {
+	const auto participant = LookupParticipant(_peer, _id, user);
+	if (!participant || !participant->ssrc) {
+		return;
+	}
+	const auto canSelfUnmute = participant->canSelfUnmute;
+	const auto mutedCount = 0/*participant->mutedCount*/;
+	using Flag = MTPDgroupCallParticipant::Flag;
+	const auto flags = (canSelfUnmute ? Flag::f_can_self_unmute : Flag(0))
+		| (volume.has_value() ? Flag::f_volume : Flag(0))
+		| (participant->lastActive ? Flag::f_active_date : Flag(0))
+		| (!mute
+			? Flag(0)
+			: user->canManageGroupCall()
+			? Flag::f_muted
+			: Flag::f_muted_by_you);
+	_peer->groupCall()->applyUpdateChecked(
+		MTP_updateGroupCallParticipants(
+			inputCall(),
+			MTP_vector<MTPGroupCallParticipant>(
+				1,
+				MTP_groupCallParticipant(
+					MTP_flags(flags),
+					MTP_int(user->bareId()),
+					MTP_int(participant->date),
+					MTP_int(participant->lastActive),
+					MTP_int(participant->ssrc),
+					MTP_int(volume.value_or(participant->volume)))),
 			MTP_int(0)).c_updateGroupCallParticipants());
 }
 
@@ -525,10 +593,25 @@ void GroupCall::handleUpdate(const MTPDupdateGroupCallParticipants &data) {
 		return;
 	}
 
+	const auto handleOtherParticipants = [=](
+			const MTPDgroupCallParticipant &data) {
+		const auto user = _peer->owner().user(data.vuser_id().v);
+		const auto participant = LookupParticipant(_peer, _id, user);
+		if (!participant) {
+			return;
+		}
+		_otherParticipantStateValue.fire(Group::ParticipantState{
+			.user = user,
+			.volume = data.vvolume().value_or_empty(),
+			.mutedByMe = data.is_muted_by_you(),
+		});
+	};
+
 	const auto self = _peer->session().userId();
 	for (const auto &participant : data.vparticipants().v) {
 		participant.match([&](const MTPDgroupCallParticipant &data) {
 			if (data.vuser_id().v != self) {
+				handleOtherParticipants(data);
 				return;
 			}
 			if (data.is_left() && data.vsource().v == _mySsrc) {
@@ -581,6 +664,8 @@ void GroupCall::createAndStartController() {
 		},
 		.initialInputDeviceId = _audioInputId.toStdString(),
 		.initialOutputDeviceId = _audioOutputId.toStdString(),
+		.createAudioDeviceModule = Webrtc::AudioDeviceModuleCreator(
+			settings.callAudioBackend()),
 	};
 	if (Logs::DebugEnabled()) {
 		auto callLogFolder = cWorkingDir() + qsl("DebugLogs");
@@ -602,6 +687,7 @@ void GroupCall::createAndStartController() {
 		std::move(descriptor));
 
 	updateInstanceMuteState();
+	updateInstanceVolumes();
 
 	//raw->setAudioOutputDuckingEnabled(settings.callAudioDuckingEnabled());
 }
@@ -614,6 +700,26 @@ void GroupCall::updateInstanceMuteState() {
 		&& state != MuteState::PushToTalk);
 }
 
+void GroupCall::updateInstanceVolumes() {
+	const auto real = _peer->groupCall();
+	if (!real || real->id() != _id) {
+		return;
+	}
+
+	const auto &participants = real->participants();
+	for (const auto &participant : participants) {
+		const auto setVolume = participant.mutedByMe
+			|| (participant.volume != Group::kDefaultVolume);
+		if (setVolume && participant.ssrc) {
+			_instance->setVolume(
+				participant.ssrc,
+				(participant.mutedByMe
+					? 0.
+					: (participant.volume / float64(Group::kDefaultVolume))));
+		}
+	}
+}
+
 void GroupCall::audioLevelsUpdated(const tgcalls::GroupLevelsUpdate &data) {
 	Expects(!data.updates.empty());
 
@@ -752,7 +858,8 @@ void GroupCall::sendMutedUpdate() {
 			? MTPphone_EditGroupCallMember::Flag::f_muted
 			: MTPphone_EditGroupCallMember::Flag(0)),
 		inputCall(),
-		MTP_inputUserSelf()
+		MTP_inputUserSelf(),
+		MTP_int(100000) // volume
 	)).done([=](const MTPUpdates &result) {
 		_updateMuteRequestId = 0;
 		_peer->session().api().applyUpdates(result);
@@ -783,16 +890,40 @@ void GroupCall::setCurrentAudioDevice(bool input, const QString &deviceId) {
 	}
 }
 
-void GroupCall::toggleMute(not_null<UserData*> user, bool mute) {
-	if (!_id) {
+void GroupCall::toggleMute(const Group::MuteRequest &data) {
+	if (data.locallyOnly) {
+		applyParticipantLocally(data.user, data.mute, std::nullopt);
+	} else {
+		editParticipant(data.user, data.mute, std::nullopt);
+	}
+}
+
+void GroupCall::changeVolume(const Group::VolumeRequest &data) {
+	if (data.locallyOnly) {
+		applyParticipantLocally(data.user, false, data.volume);
+	} else {
+		editParticipant(data.user, false, data.volume);
+	}
+}
+
+void GroupCall::editParticipant(
+		not_null<UserData*> user,
+		bool mute,
+		std::optional<int> volume) {
+	const auto participant = LookupParticipant(_peer, _id, user);
+	if (!participant) {
 		return;
 	}
+	applyParticipantLocally(user, mute, volume);
+
+	using Flag = MTPphone_EditGroupCallMember::Flag;
+	const auto flags = (mute ? Flag::f_muted : Flag(0))
+		| (volume.has_value() ? Flag::f_volume : Flag(0));
 	_api.request(MTPphone_EditGroupCallMember(
-		MTP_flags(mute
-			? MTPphone_EditGroupCallMember::Flag::f_muted
-			: MTPphone_EditGroupCallMember::Flag(0)),
+		MTP_flags(flags),
 		inputCall(),
-		user->inputUser
+		user->inputUser,
+		MTP_int(std::clamp(volume.value_or(0), 1, Group::kMaxVolume))
 	)).done([=](const MTPUpdates &result) {
 		_peer->session().api().applyUpdates(result);
 	}).fail([=](const RPCError &error) {
@@ -918,6 +1049,11 @@ void GroupCall::pushToTalkCancel() {
 	}
 }
 
+auto GroupCall::otherParticipantStateValue() const
+-> rpl::producer<Group::ParticipantState> {
+	return _otherParticipantStateValue.events();
+}
+
 //void GroupCall::setAudioVolume(bool input, float level) {
 //	if (_instance) {
 //		if (input) {

Telegram/SourceFiles/calls/calls_group_call.h

@@ -35,6 +35,12 @@ struct LastSpokeTimes;
 
 namespace Calls {
 
+namespace Group {
+struct MuteRequest;
+struct VolumeRequest;
+struct ParticipantState;
+} // namespace Group
+
 enum class MuteState {
 	Active,
 	PushToTalk,
@@ -104,6 +110,9 @@ public:
 		return _muted.value();
 	}
 
+	[[nodiscard]] auto otherParticipantStateValue() const
+		-> rpl::producer<Group::ParticipantState>;
+
 	enum State {
 		Creating,
 		Joining,
@@ -131,7 +140,8 @@ public:
 	//void setAudioVolume(bool input, float level);
 	void setAudioDuckingEnabled(bool enabled);
 
-	void toggleMute(not_null<UserData*> user, bool mute);
+	void toggleMute(const Group::MuteRequest &data);
+	void changeVolume(const Group::VolumeRequest &data);
 	std::variant<int, not_null<UserData*>> inviteUsers(
 		const std::vector<not_null<UserData*>> &users);
 
@@ -163,6 +173,7 @@ private:
 	void maybeSendMutedUpdate(MuteState previous);
 	void sendMutedUpdate();
 	void updateInstanceMuteState();
+	void updateInstanceVolumes();
 	void applySelfInCallLocally();
 	void rejoin();
 
@@ -178,6 +189,15 @@ private:
 	void stopConnectingSound();
 	void playConnectingSoundOnce();
 
+	void editParticipant(
+		not_null<UserData*> user,
+		bool mute,
+		std::optional<int> volume);
+	void applyParticipantLocally(
+		not_null<UserData*> user,
+		bool mute,
+		std::optional<int> volume);
+
 	[[nodiscard]] MTPInputGroupCall inputCall() const;
 
 	const not_null<Delegate*> _delegate;
@@ -190,6 +210,8 @@ private:
 	rpl::variable<MuteState> _muted = MuteState::Muted;
 	bool _acceptFields = false;
 
+	rpl::event_stream<Group::ParticipantState> _otherParticipantStateValue;
+
 	uint64 _id = 0;
 	uint64 _accessHash = 0;
 	uint32 _mySsrc = 0;

Telegram/SourceFiles/calls/calls_group_common.h

@@ -0,0 +1,36 @@
+/*
+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 UserData;
+
+namespace Calls::Group {
+
+constexpr auto kDefaultVolume = 10000;
+constexpr auto kMaxVolume = 20000;
+
+struct MuteRequest {
+	not_null<UserData*> user;
+	bool mute = false;
+	bool locallyOnly = false;
+};
+struct VolumeRequest {
+	not_null<UserData*> user;
+	int volume = kDefaultVolume;
+	bool finalized = true;
+	bool locallyOnly = false;
+};
+
+struct ParticipantState {
+	not_null<UserData*> user;
+	std::optional<int> volume;
+	bool mutedByMe = false;
+	bool locallyOnly = false;
+};
+
+} // namespace Calls::Group

Telegram/SourceFiles/calls/calls_group_members.cpp

@@ -8,6 +8,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "calls/calls_group_members.h"
 
 #include "calls/calls_group_call.h"
+#include "calls/calls_group_common.h"
+#include "calls/calls_volume_item.h"
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_user.h"
@@ -16,6 +18,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_peer_values.h" // Data::CanWriteValue.
 #include "data/data_session.h" // Data::Session::invitedToCallUsers.
 #include "settings/settings_common.h" // Settings::CreateButton.
+#include "ui/paint/arcs.h"
 #include "ui/paint/blobs.h"
 #include "ui/widgets/buttons.h"
 #include "ui/widgets/scroll_area.h"
@@ -44,6 +47,12 @@ constexpr auto kUserpicMinScale = 0.8;
 constexpr auto kMaxLevel = 1.;
 constexpr auto kWideScale = 5;
 
+const auto kSpeakerThreshold = std::vector<float>{
+	Group::kDefaultVolume * 0.1f / Group::kMaxVolume,
+	Group::kDefaultVolume * 0.9f / Group::kMaxVolume };
+
+constexpr auto kArcsStrokeRatio = 0.8;
+
 auto RowBlobs() -> std::array<Ui::Paint::Blobs::BlobData, 2> {
 	return { {
 		{
@@ -76,7 +85,8 @@ public:
 		QRect rect,
 		float64 speaking,
 		float64 active,
-		float64 muted) = 0;
+		float64 muted,
+		bool mutedByMe) = 0;
 };
 
 class Row final : public PeerListRow {
@@ -87,6 +97,7 @@ public:
 		Active,
 		Inactive,
 		Muted,
+		MutedByMe,
 		Invited,
 	};
 
@@ -106,6 +117,9 @@ public:
 	[[nodiscard]] bool speaking() const {
 		return _speaking;
 	}
+	[[nodiscard]] int volume() const {
+		return _volume;
+	}
 
 	void addActionRipple(QPoint point, Fn<void()> updateCallback) override;
 	void stopLastActionRipple() override;
@@ -172,11 +186,37 @@ private:
 
 		rpl::lifetime lifetime;
 	};
+
+	struct StatusIcon {
+		StatusIcon(float volume)
+		: speaker(st::groupCallStatusSpeakerIcon)
+		, arcs(std::make_unique<Ui::Paint::ArcsAnimation>(
+			st::groupCallStatusSpeakerArcsAnimation,
+			kSpeakerThreshold,
+			volume,
+			Ui::Paint::ArcsAnimation::HorizontalDirection::Right)) {
+		}
+		const style::icon &speaker;
+		const std::unique_ptr<Ui::Paint::ArcsAnimation> arcs;
+		int arcsWidth = 0;
+
+		rpl::lifetime lifetime;
+	};
+
+	int statusIconWidth() const;
+	int statusIconHeight() const;
+	void paintStatusIcon(
+		Painter &p,
+		const style::PeerListItem &st,
+		const style::font &font,
+		bool selected);
+
 	void refreshStatus() override;
 	void setSounding(bool sounding);
 	void setSpeaking(bool speaking);
 	void setState(State state);
 	void setSsrc(uint32 ssrc);
+	void setVolume(int volume);
 
 	void ensureUserpicCache(
 		std::shared_ptr<Data::CloudImageView> &view,
@@ -186,10 +226,13 @@ private:
 	State _state = State::Inactive;
 	std::unique_ptr<Ui::RippleAnimation> _actionRipple;
 	std::unique_ptr<BlobsAnimation> _blobsAnimation;
+	std::unique_ptr<StatusIcon> _statusIcon;
 	Ui::Animations::Simple _speakingAnimation; // For gray-red/green icon.
 	Ui::Animations::Simple _mutedAnimation; // For gray/red icon.
 	Ui::Animations::Simple _activeAnimation; // For icon cross animation.
+	Ui::Animations::Simple _arcsAnimation; // For volume arcs animation.
 	uint32 _ssrc = 0;
+	int _volume = Group::kDefaultVolume;
 	bool _sounding = false;
 	bool _speaking = false;
 	bool _skipLevelUpdate = false;
@@ -206,7 +249,8 @@ public:
 		not_null<QWidget*> menuParent);
 	~MembersController();
 
-	using MuteRequest = GroupMembers::MuteRequest;
+	using MuteRequest = Group::MuteRequest;
+	using VolumeRequest = Group::VolumeRequest;
 
 	Main::Session &session() const override;
 	void prepare() override;
@@ -221,6 +265,7 @@ public:
 		return _fullCount.value();
 	}
 	[[nodiscard]] rpl::producer<MuteRequest> toggleMuteRequests() const;
+	[[nodiscard]] rpl::producer<VolumeRequest> changeVolumeRequests() const;
 	[[nodiscard]] auto kickMemberRequests() const
 		-> rpl::producer<not_null<UserData*>>;
 
@@ -231,7 +276,8 @@ public:
 		QRect rect,
 		float64 speaking,
 		float64 active,
-		float64 muted) override;
+		float64 muted,
+		bool mutedByMe) override;
 
 private:
 	[[nodiscard]] std::unique_ptr<Row> createSelfRow();
@@ -246,6 +292,10 @@ private:
 	[[nodiscard]] base::unique_qptr<Ui::PopupMenu> createRowContextMenu(
 		QWidget *parent,
 		not_null<PeerListRow*> row);
+	void addMuteActionsToContextMenu(
+		not_null<Ui::PopupMenu*> menu,
+		not_null<UserData*> user,
+		not_null<Row*> row);
 	void setupListChangeViewers(not_null<GroupCall*> call);
 	void subscribeToChanges(not_null<Data::GroupCall*> real);
 	void updateRow(
@@ -271,8 +321,11 @@ private:
 	bool _prepared = false;
 
 	rpl::event_stream<MuteRequest> _toggleMuteRequests;
+	rpl::event_stream<VolumeRequest> _changeVolumeRequests;
 	rpl::event_stream<not_null<UserData*>> _kickMemberRequests;
 	rpl::variable<int> _fullCount = 1;
+	rpl::variable<int> _fullCountMin = 0;
+	rpl::variable<int> _fullCountMax = std::numeric_limits<int>::max();
 
 	not_null<QWidget*> _menuParent;
 	base::unique_qptr<Ui::PopupMenu> _menu;
@@ -303,17 +356,24 @@ void Row::setSkipLevelUpdate(bool value) {
 
 void Row::updateState(const Data::GroupCall::Participant *participant) {
 	setSsrc(participant ? participant->ssrc : 0);
+	setVolume(participant
+		? participant->volume
+		: Group::kDefaultVolume);
 	if (!participant) {
 		setState(State::Invited);
 		setSounding(false);
 		setSpeaking(false);
 	} else if (!participant->muted
 		|| (participant->sounding && participant->ssrc != 0)) {
-		setState(State::Active);
+		setState(participant->mutedByMe
+			? State::MutedByMe
+			: (participant->sounding || participant->speaking)
+			? State::Active
+			: State::Inactive);
 		setSounding(participant->sounding && participant->ssrc != 0);
 		setSpeaking(participant->speaking && participant->ssrc != 0);
 	} else if (participant->canSelfUnmute) {
-		setState(State::Inactive);
+		setState(participant->mutedByMe ? State::MutedByMe : State::Inactive);
 		setSounding(false);
 		setSpeaking(false);
 	} else {
@@ -333,6 +393,42 @@ void Row::setSpeaking(bool speaking) {
 		_speaking ? 0. : 1.,
 		_speaking ? 1. : 0.,
 		st::widgetFadeDuration);
+
+	if (!_speaking
+		|| (_state == State::MutedByMe)
+		|| (_state == State::Muted)) {
+		_statusIcon = nullptr;
+	} else if (!_statusIcon) {
+		_statusIcon = std::make_unique<StatusIcon>(
+			(float)_volume / Group::kMaxVolume);
+		_statusIcon->arcs->setStrokeRatio(kArcsStrokeRatio);
+		_statusIcon->arcsWidth = _statusIcon->arcs->finishedWidth();
+
+		const auto wasArcsWidth = _statusIcon->lifetime.make_state<int>(0);
+
+		_statusIcon->arcs->startUpdateRequests(
+		) | rpl::start_with_next([=] {
+			if (!_arcsAnimation.animating()) {
+				*wasArcsWidth = _statusIcon->arcsWidth;
+			}
+			auto callback = [=](float64 value) {
+				if (_statusIcon) {
+					_statusIcon->arcs->update(crl::now());
+
+					_statusIcon->arcsWidth = anim::interpolate(
+						*wasArcsWidth,
+						_statusIcon->arcs->finishedWidth(),
+						value);
+				}
+				_delegate->rowUpdateRow(this);
+			};
+			_arcsAnimation.start(
+				std::move(callback),
+				0.,
+				1.,
+				st::groupCallSpeakerArcsAnimation.duration);
+		}, _statusIcon->lifetime);
+	}
 }
 
 void Row::setSounding(bool sounding) {
@@ -382,6 +478,13 @@ void Row::setSsrc(uint32 ssrc) {
 	_ssrc = ssrc;
 }
 
+void Row::setVolume(int volume) {
+	_volume = volume;
+	if (_statusIcon) {
+		_statusIcon->arcs->setValue((float)volume / Group::kMaxVolume);
+	}
+}
+
 void Row::updateLevel(float level) {
 	Expects(_blobsAnimation != nullptr);
 
@@ -449,13 +552,16 @@ auto Row::generatePaintUserpicCallback() -> PaintRoundImageCallback {
 	auto userpic = ensureUserpicView();
 	return [=](Painter &p, int x, int y, int outerWidth, int size) mutable {
 		if (_blobsAnimation) {
+			const auto mutedByMe = (_state == State::MutedByMe);
 			const auto shift = QPointF(x + size / 2., y + size / 2.);
 			auto hq = PainterHighQualityEnabler(p);
 			p.translate(shift);
-			const auto brush = anim::brush(
-				st::groupCallMemberInactiveStatus,
-				st::groupCallMemberActiveStatus,
-				_speakingAnimation.value(_speaking ? 1. : 0.));
+			const auto brush = mutedByMe
+				? st::groupCallMemberMutedIcon->b
+				: anim::brush(
+					st::groupCallMemberInactiveStatus,
+					st::groupCallMemberActiveStatus,
+					_speakingAnimation.value(_speaking ? 1. : 0.));
 			_blobsAnimation->blobs.paint(p, brush);
 			p.translate(-shift);
 			p.setOpacity(1.);
@@ -492,6 +598,60 @@ auto Row::generatePaintUserpicCallback() -> PaintRoundImageCallback {
 	};
 }
 
+int Row::statusIconWidth() const {
+	if (!_statusIcon) {
+		return 0;
+	}
+	return _speaking
+		? (_statusIcon->speaker.width() + _statusIcon->arcsWidth)
+		: 0;
+}
+
+int Row::statusIconHeight() const {
+	if (!_statusIcon) {
+		return 0;
+	}
+	return _speaking
+		? _statusIcon->speaker.height()
+		: 0;
+}
+
+void Row::paintStatusIcon(
+		Painter &p,
+		const style::PeerListItem &st,
+		const style::font &font,
+		bool selected) {
+	if (!_statusIcon) {
+		return;
+	}
+	p.setFont(font);
+	const auto color = (_speaking
+		? st.statusFgActive
+		: (selected ? st.statusFgOver : st.statusFg))->c;
+	p.setPen(color);
+
+	const auto speakerRect = QRect(
+		st.statusPosition
+			+ QPoint(0, (font->height - statusIconHeight()) / 2),
+		_statusIcon->speaker.size());
+	const auto arcPosition = speakerRect.topLeft()
+		+ QPoint(
+			speakerRect.width() - st::groupCallStatusSpeakerArcsSkip,
+			speakerRect.height() / 2);
+
+	const auto volume = std::round(_volume / 100.);
+	_statusIcon->speaker.paint(
+		p,
+		speakerRect.topLeft(),
+		speakerRect.width(),
+		color);
+
+	p.save();
+	p.translate(arcPosition);
+	_statusIcon->arcs->paint(p, color);
+	p.restore();
+}
+
 void Row::paintStatusText(
 		Painter &p,
 		const style::PeerListItem &st,
@@ -500,24 +660,36 @@ void Row::paintStatusText(
 		int availableWidth,
 		int outerWidth,
 		bool selected) {
-	if (_state != State::Invited) {
+	p.save();
+	const auto &font = st::normalFont;
+	paintStatusIcon(p, st, font, selected);
+	const auto translatedWidth = statusIconWidth();
+	p.translate(translatedWidth, 0);
+	const auto guard = gsl::finally([&] { p.restore(); });
+	if (_state != State::Invited && _state != State::MutedByMe) {
 		PeerListRow::paintStatusText(
 			p,
 			st,
 			x,
 			y,
-			availableWidth,
+			availableWidth - translatedWidth,
 			outerWidth,
 			selected);
 		return;
 	}
-	p.setFont(st::normalFont);
-	p.setPen(st::groupCallMemberNotJoinedStatus);
+	p.setFont(font);
+	if (_state == State::MutedByMe) {
+		p.setPen(st::groupCallMemberMutedIcon);
+	} else {
+		p.setPen(st::groupCallMemberNotJoinedStatus);
+	}
 	p.drawTextLeft(
 		x,
 		y,
 		outerWidth,
-		(peer()->isSelf()
+		(_state == State::MutedByMe
+			? tr::lng_group_call_muted_by_me_status(tr::now)
+			: peer()->isSelf()
 			? tr::lng_status_connecting(tr::now)
 			: tr::lng_group_call_invited_status(tr::now)));
 }
@@ -559,13 +731,16 @@ void Row::paintAction(
 		(_state == State::Active) ? 1. : 0.);
 	const auto muted = _mutedAnimation.value(
 		(_state == State::Muted) ? 1. : 0.);
-	_delegate->rowPaintIcon(p, iconRect, speaking, active, muted);
+	const auto mutedByMe = (_state == State::MutedByMe);
+	_delegate->rowPaintIcon(p, iconRect, speaking, active, muted, mutedByMe);
 }
 
 void Row::refreshStatus() {
 	setCustomStatus(
 		(_speaking
-			? tr::lng_group_call_active(tr::now)
+			? u"%1% %2"_q
+				.arg(std::round(_volume / 100.))
+				.arg(tr::lng_group_call_active(tr::now))
 			: tr::lng_group_call_inactive(tr::now)),
 		_speaking);
 }
@@ -682,9 +857,12 @@ void MembersController::subscribeToChanges(not_null<Data::GroupCall*> real) {
 	_realCallRawValue = real;
 	_realId = real->id();
 
-	_fullCount = real->fullCountValue(
-	) | rpl::map([](int value) {
-		return std::max(value, 1);
+	_fullCount = rpl::combine(
+		real->fullCountValue(),
+		_fullCountMin.value(),
+		_fullCountMax.value()
+	) | rpl::map([](int value, int min, int max) {
+		return std::max(std::clamp(value, min, max), 1);
 	});
 
 	real->participantsSliceAdded(
@@ -741,32 +919,48 @@ void MembersController::appendInvitedUsers() {
 void MembersController::updateRow(
 		const std::optional<Data::GroupCall::Participant> &was,
 		const Data::GroupCall::Participant &now) {
+	auto reorderIfInvitedBeforeIndex = 0;
+	auto countChange = 0;
 	if (const auto row = findRow(now.user)) {
 		if (now.speaking && (!was || !was->speaking)) {
 			checkSpeakingRowPosition(row);
 		}
+		if (row->state() == Row::State::Invited) {
+			reorderIfInvitedBeforeIndex = row->absoluteIndex();
+			countChange = 1;
+		}
 		updateRow(row, &now);
 	} else if (auto row = createRow(now)) {
 		if (row->speaking()) {
 			delegate()->peerListPrependRow(std::move(row));
 		} else {
-			static constexpr auto kInvited = Row::State::Invited;
-			const auto reorder = [&] {
-				const auto count = delegate()->peerListFullRowsCount();
-				if (!count) {
-					return false;
-				}
-				const auto row = delegate()->peerListRowAt(count - 1).get();
-				return (static_cast<Row*>(row)->state() == kInvited);
-			}();
+			reorderIfInvitedBeforeIndex = delegate()->peerListFullRowsCount();
 			delegate()->peerListAppendRow(std::move(row));
-			if (reorder) {
-				delegate()->peerListPartitionRows([](const PeerListRow &row) {
-					return static_cast<const Row&>(row).state() != kInvited;
-				});
-			}
 		}
 		delegate()->peerListRefreshRows();
+		countChange = 1;
+	}
+	static constexpr auto kInvited = Row::State::Invited;
+	const auto reorder = [&] {
+		const auto count = reorderIfInvitedBeforeIndex;
+		if (count <= 0) {
+			return false;
+		}
+		const auto row = delegate()->peerListRowAt(
+			reorderIfInvitedBeforeIndex - 1).get();
+		return (static_cast<Row*>(row)->state() == kInvited);
+	}();
+	if (reorder) {
+		delegate()->peerListPartitionRows([](const PeerListRow &row) {
+			return static_cast<const Row&>(row).state() != kInvited;
+		});
+	}
+	if (countChange) {
+		const auto fullCountMin = _fullCountMin.current() + countChange;
+		if (_fullCountMax.current() < fullCountMin) {
+			_fullCountMax = fullCountMin;
+		}
+		_fullCountMin = fullCountMin;
 	}
 }
 
@@ -879,10 +1073,11 @@ void MembersController::prepare() {
 	setSearchNoResultsText(tr::lng_blocked_list_not_found(tr::now));
 
 	const auto call = _call.get();
-	if (const auto real = _peer->groupCall();
-		real && call && real->id() == call->id()) {
+	if (const auto real = _peer->groupCall()
+		; real && call && real->id() == call->id()) {
 		prepareRows(real);
 	} else if (auto row = createSelfRow()) {
+		_fullCountMin = (row->state() == Row::State::Invited) ? 0 : 1;
 		delegate()->peerListAppendRow(std::move(row));
 		delegate()->peerListRefreshRows();
 	}
@@ -898,6 +1093,7 @@ void MembersController::prepareRows(not_null<Data::GroupCall*> real) {
 	auto foundSelf = false;
 	auto changed = false;
 	const auto &participants = real->participants();
+	auto fullCountMin = 0;
 	auto count = delegate()->peerListFullRowsCount();
 	for (auto i = 0; i != count;) {
 		auto row = delegate()->peerListRowAt(i);
@@ -912,6 +1108,7 @@ void MembersController::prepareRows(not_null<Data::GroupCall*> real) {
 			not_null{ user },
 			&Data::GroupCall::Participant::user);
 		if (contains) {
+			++fullCountMin;
 			++i;
 		} else {
 			changed = true;
@@ -927,18 +1124,29 @@ void MembersController::prepareRows(not_null<Data::GroupCall*> real) {
 			&Data::GroupCall::Participant::user);
 		auto row = (i != end(participants)) ? createRow(*i) : createSelfRow();
 		if (row) {
+			if (row->state() != Row::State::Invited) {
+				++fullCountMin;
+			}
 			changed = true;
 			delegate()->peerListAppendRow(std::move(row));
 		}
 	}
 	for (const auto &participant : participants) {
 		if (auto row = createRow(participant)) {
+			++fullCountMin;
 			changed = true;
 			delegate()->peerListAppendRow(std::move(row));
 		}
 	}
 	if (changed) {
 		delegate()->peerListRefreshRows();
+		if (_fullCountMax.current() < fullCountMin) {
+			_fullCountMax = fullCountMin;
+		}
+		_fullCountMin = fullCountMin;
+		if (real->participantsLoaded()) {
+			_fullCountMax = fullCountMin;
+		}
 	}
 }
 
@@ -953,6 +1161,11 @@ auto MembersController::toggleMuteRequests() const
 	return _toggleMuteRequests.events();
 }
 
+auto MembersController::changeVolumeRequests() const
+-> rpl::producer<VolumeRequest> {
+	return _changeVolumeRequests.events();
+}
+
 bool MembersController::rowCanMuteMembers() {
 	return _peer->canManageGroupCall();
 }
@@ -966,11 +1179,12 @@ void MembersController::rowPaintIcon(
 		QRect rect,
 		float64 speaking,
 		float64 active,
-		float64 muted) {
+		float64 muted,
+		bool mutedByMe) {
 	const auto &greenIcon = st::groupCallMemberColoredCrossLine.icon;
 	const auto left = rect.x() + (rect.width() - greenIcon.width()) / 2;
 	const auto top = rect.y() + (rect.height() - greenIcon.height()) / 2;
-	if (speaking == 1.) {
+	if (speaking == 1. && !mutedByMe) {
 		// Just green icon, no cross, no coloring.
 		greenIcon.paintInCenter(p, rect);
 		return;
@@ -998,7 +1212,9 @@ void MembersController::rowPaintIcon(
 	}
 	const auto activeInactiveColor = anim::color(
 		st::groupCallMemberInactiveIcon,
-		st::groupCallMemberActiveIcon,
+		(mutedByMe
+			? st::groupCallMemberMutedIcon
+			: st::groupCallMemberActiveIcon),
 		speaking);
 	const auto iconColor = anim::color(
 		activeInactiveColor,
@@ -1088,15 +1304,6 @@ base::unique_qptr<Ui::PopupMenu> MembersController::createRowContextMenu(
 		}
 		return false;
 	}();
-	const auto mute = admin
-		? (muteState == Row::State::Active)
-		: (muteState != Row::State::Muted);
-	const auto toggleMute = crl::guard(this, [=] {
-		_toggleMuteRequests.fire(MuteRequest{
-			.user = user,
-			.mute = mute,
-		});
-	});
 
 	const auto session = &user->session();
 	const auto getCurrentWindow = [=]() -> Window::SessionController* {
@@ -1147,15 +1354,10 @@ base::unique_qptr<Ui::PopupMenu> MembersController::createRowContextMenu(
 		_kickMemberRequests.fire_copy(user);
 	});
 
-	if ((muteState != Row::State::Invited)
-		&& _peer->canManageGroupCall()
-		&& (!admin || mute)) {
-		result->addAction(
-			(mute
-				? tr::lng_group_call_context_mute(tr::now)
-				: tr::lng_group_call_context_unmute(tr::now)),
-			toggleMute);
+	if (real->ssrc() != 0) {
+		addMuteActionsToContextMenu(result, user, real);
 	}
+
 	result->addAction(
 		tr::lng_context_view_profile(tr::now),
 		showProfile);
@@ -1181,6 +1383,111 @@ base::unique_qptr<Ui::PopupMenu> MembersController::createRowContextMenu(
 	return result;
 }
 
+void MembersController::addMuteActionsToContextMenu(
+		not_null<Ui::PopupMenu*> menu,
+		not_null<UserData*> user,
+		not_null<Row*> row) {
+	const auto muteString = [=] {
+		return (_peer->canManageGroupCall()
+			? tr::lng_group_call_context_mute
+			: tr::lng_group_call_context_mute_for_me)(tr::now);
+	};
+
+	const auto unmuteString = [=] {
+		return (_peer->canManageGroupCall()
+			? tr::lng_group_call_context_unmute
+			: tr::lng_group_call_context_unmute_for_me)(tr::now);
+	};
+
+	const auto toggleMute = crl::guard(this, [=](bool mute, bool local) {
+		_toggleMuteRequests.fire(Group::MuteRequest{
+			.user = user,
+			.mute = mute,
+			.locallyOnly = local,
+		});
+	});
+	const auto changeVolume = crl::guard(this, [=](
+			int volume,
+			bool local) {
+		_changeVolumeRequests.fire(Group::VolumeRequest{
+			.user = user,
+			.volume = std::clamp(volume, 1, Group::kMaxVolume),
+			.locallyOnly = local,
+		});
+	});
+
+	const auto muteState = row->state();
+	const auto isMuted = (muteState == Row::State::Muted)
+		|| (muteState == Row::State::MutedByMe);
+
+	auto mutesFromVolume = rpl::never<bool>() | rpl::type_erased();
+
+	if (!isMuted) {
+		const auto call = _call.get();
+		auto otherParticipantStateValue = call
+			? call->otherParticipantStateValue(
+				) | rpl::filter([=](const Group::ParticipantState &data) {
+					return data.user == user;
+				})
+			: rpl::never<Group::ParticipantState>() | rpl::type_erased();
+
+		auto volumeItem = base::make_unique_q<MenuVolumeItem>(
+			menu,
+			st::groupCallPopupMenu.menu,
+			otherParticipantStateValue,
+			row->volume(),
+			Group::kMaxVolume,
+			isMuted);
+
+		mutesFromVolume = volumeItem->toggleMuteRequests();
+
+		volumeItem->toggleMuteRequests(
+		) | rpl::start_with_next([=](bool muted) {
+			toggleMute(muted, false);
+		}, volumeItem->lifetime());
+
+		volumeItem->toggleMuteLocallyRequests(
+		) | rpl::start_with_next([=](bool muted) {
+			toggleMute(muted, true);
+		}, volumeItem->lifetime());
+
+		volumeItem->changeVolumeRequests(
+		) | rpl::start_with_next([=](int volume) {
+			changeVolume(volume, false);
+		}, volumeItem->lifetime());
+
+		volumeItem->changeVolumeLocallyRequests(
+		) | rpl::start_with_next([=](int volume) {
+			changeVolume(volume, true);
+		}, volumeItem->lifetime());
+
+		menu->addAction(std::move(volumeItem));
+	};
+
+	const auto muteAction = [&]() -> QAction* {
+		if (muteState == Row::State::Invited) {
+			return nullptr;
+		}
+		auto callback = [=] {
+			const auto state = row->state();
+			const auto muted = (state == Row::State::Muted)
+				|| (state == Row::State::MutedByMe);
+			toggleMute(!muted, false);
+		};
+		return menu->addAction(
+			isMuted ? unmuteString() : muteString(),
+			std::move(callback));
+	}();
+
+	if (muteAction) {
+		std::move(
+			mutesFromVolume
+		) | rpl::start_with_next([=](bool muted) {
+			muteAction->setText(muted ? unmuteString() : muteString());
+		}, menu->lifetime());
+	}
+}
+
 std::unique_ptr<Row> MembersController::createSelfRow() {
 	const auto self = _peer->session().user();
 	auto result = std::make_unique<Row>(this, self);
@@ -1207,6 +1514,7 @@ std::unique_ptr<Row> MembersController::createInvitedRow(
 
 } // namespace
 
+
 GroupMembers::GroupMembers(
 	not_null<QWidget*> parent,
 	not_null<GroupCall*> call)
@@ -1222,11 +1530,17 @@ GroupMembers::GroupMembers(
 }
 
 auto GroupMembers::toggleMuteRequests() const
--> rpl::producer<GroupMembers::MuteRequest> {
+-> rpl::producer<Group::MuteRequest> {
 	return static_cast<MembersController*>(
 		_listController.get())->toggleMuteRequests();
 }
 
+auto GroupMembers::changeVolumeRequests() const
+-> rpl::producer<Group::VolumeRequest> {
+	return static_cast<MembersController*>(
+		_listController.get())->changeVolumeRequests();
+}
+
 auto GroupMembers::kickMemberRequests() const
 -> rpl::producer<not_null<UserData*>> {
 	return static_cast<MembersController*>(

Telegram/SourceFiles/calls/calls_group_members.h

@@ -20,6 +20,11 @@ class GroupCall;
 
 namespace Calls {
 
+namespace Group {
+struct VolumeRequest;
+struct MuteRequest;
+} // namespace Group
+
 class GroupCall;
 
 class GroupMembers final
@@ -30,15 +35,13 @@ public:
 		not_null<QWidget*> parent,
 		not_null<GroupCall*> call);
 
-	struct MuteRequest {
-		not_null<UserData*> user;
-		bool mute = false;
-	};
-
 	[[nodiscard]] int desiredHeight() const;
 	[[nodiscard]] rpl::producer<int> desiredHeightValue() const override;
 	[[nodiscard]] rpl::producer<int> fullCountValue() const;
-	[[nodiscard]] rpl::producer<MuteRequest> toggleMuteRequests() const;
+	[[nodiscard]] auto toggleMuteRequests() const
+		-> rpl::producer<Group::MuteRequest>;
+	[[nodiscard]] auto changeVolumeRequests() const
+		-> rpl::producer<Group::VolumeRequest>;
 	[[nodiscard]] auto kickMemberRequests() const
 		-> rpl::producer<not_null<UserData*>>;
 	[[nodiscard]] rpl::producer<> addMembersRequests() const {

Telegram/SourceFiles/calls/calls_group_panel.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "calls/calls_group_panel.h"
 
+#include "calls/calls_group_common.h"
 #include "calls/calls_group_members.h"
 #include "calls/calls_group_settings.h"
 #include "ui/widgets/buttons.h"
@@ -505,9 +506,16 @@ void GroupPanel::initWithCall(GroupCall *call) {
 	}, _callLifetime);
 
 	_members->toggleMuteRequests(
-	) | rpl::start_with_next([=](GroupMembers::MuteRequest request) {
+	) | rpl::start_with_next([=](Group::MuteRequest request) {
 		if (_call) {
-			_call->toggleMute(request.user, request.mute);
+			_call->toggleMute(request);
+		}
+	}, _callLifetime);
+
+	_members->changeVolumeRequests(
+	) | rpl::start_with_next([=](Group::VolumeRequest request) {
+		if (_call) {
+			_call->changeVolume(request);
 		}
 	}, _callLifetime);
 

Telegram/SourceFiles/calls/calls_group_settings.cpp

@@ -24,6 +24,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_channel.h"
 #include "data/data_chat.h"
 #include "data/data_group_call.h"
+#include "data/data_changes.h"
 #include "core/application.h"
 #include "boxes/single_choice_box.h"
 #include "webrtc/webrtc_audio_input_tester.h"
@@ -32,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "settings/settings_calls.h"
 #include "main/main_session.h"
 #include "apiwrap.h"
+#include "api/api_invite_links.h"
 #include "styles/style_layers.h"
 #include "styles/style_calls.h"
 #include "styles/style_settings.h"
@@ -441,20 +443,9 @@ void GroupCallSettingsBox(
 		)->addClickHandler([=] {
 			if (!copyLink() && !state->generatingLink) {
 				state->generatingLink = true;
-				peer->session().api().request(MTPmessages_ExportChatInvite(
-					peer->input
-				)).done([=](const MTPExportedChatInvite &result) {
-					if (result.type() == mtpc_chatInviteExported) {
-						const auto link = qs(
-							result.c_chatInviteExported().vlink());
-						if (const auto chat = peer->asChat()) {
-							chat->setInviteLink(link);
-						} else if (const auto channel = peer->asChannel()) {
-							channel->setInviteLink(link);
-						}
-						copyLink();
-					}
-				}).send();
+				peer->session().api().inviteLinks().create(
+					peer,
+					crl::guard(layout, [=](auto&&) { copyLink(); }));
 			}
 		});
 	}
@@ -480,6 +471,7 @@ void GroupCallSettingsBox(
 		// Means we finished showing the box.
 		crl::on_main(box, [=] {
 			state->micTester = std::make_unique<Webrtc::AudioInputTester>(
+				Core::App().settings().callAudioBackend(),
 				Core::App().settings().callInputDeviceId());
 			state->levelUpdateTimer.callEach(kMicTestUpdateInterval);
 		});

Telegram/SourceFiles/calls/calls_instance.cpp

@@ -377,6 +377,8 @@ void Instance::handleCallUpdate(
 		} else if (phoneCall.vdate().v + (config.callRingTimeoutMs / 1000)
 			< base::unixtime::now()) {
 			LOG(("Ignoring too old call."));
+		} else if (Core::App().settings().disableCalls()) {
+			LOG(("Ignoring call because of 'accept calls' settings."));
 		} else {
 			createCall(user, Call::Type::Incoming, phoneCall.is_video());
 			_currentCall->handleUpdate(call);

Telegram/SourceFiles/calls/calls_panel.cpp

@@ -39,6 +39,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "platform/platform_specific.h"
 #include "base/platform/base_platform_info.h"
 #include "window/main_window.h"
+#include "media/view/media_view_pip.h" // Utilities for frame rotation.
 #include "app.h"
 #include "webrtc/webrtc_video_track.h"
 #include "styles/style_calls.h"
@@ -98,12 +99,26 @@ Panel::Incoming::Incoming(
 void Panel::Incoming::paintEvent(QPaintEvent *e) {
 	QPainter p(this);
 
-	const auto frame = _track->frame(Webrtc::FrameRequest());
-	if (frame.isNull()) {
+	const auto [image, rotation] = _track->frameOriginalWithRotation();
+	if (image.isNull()) {
 		p.fillRect(e->rect(), Qt::black);
 	} else {
+		using namespace Media::View;
 		auto hq = PainterHighQualityEnabler(p);
-		p.drawImage(rect(), frame);
+		if (UsePainterRotation(rotation)) {
+			if (rotation) {
+				p.save();
+				p.rotate(rotation);
+			}
+			p.drawImage(RotatedRect(rect(), rotation), image);
+			if (rotation) {
+				p.restore();
+			}
+		} else if (rotation) {
+			p.drawImage(rect(), RotateFrameImage(image, rotation));
+		} else {
+			p.drawImage(rect(), image);
+		}
 		fillBottomShadow(p);
 		fillTopShadow(p);
 	}
@@ -462,7 +477,11 @@ void Panel::reinitWithCall(Call *call) {
 
 	_call->videoIncoming()->renderNextFrame(
 	) | rpl::start_with_next([=] {
-		setIncomingSize(_call->videoIncoming()->frame({}).size());
+		const auto track = _call->videoIncoming();
+		const auto [frame, rotation] = track->frameOriginalWithRotation();
+		setIncomingSize((rotation == 90 || rotation == 270)
+			? QSize(frame.height(), frame.width())
+			: frame.size());
 		if (_incoming->isHidden()) {
 			return;
 		}

Telegram/SourceFiles/calls/calls_volume_item.cpp

@@ -0,0 +1,306 @@
+/*
+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_volume_item.h"
+
+#include "calls/calls_group_common.h"
+#include "ui/effects/animation_value.h"
+#include "ui/effects/cross_line.h"
+#include "ui/widgets/continuous_sliders.h"
+#include "styles/style_calls.h"
+
+#include "ui/paint/arcs.h"
+
+namespace Calls {
+namespace {
+
+constexpr auto kMaxVolumePercent = 200;
+
+const auto kSpeakerThreshold = std::vector<float>{
+	10.0f / kMaxVolumePercent,
+	50.0f / kMaxVolumePercent,
+	150.0f / kMaxVolumePercent };
+
+constexpr auto kVolumeStickedValues =
+	std::array<std::pair<float64, float64>, 7>{{
+		{ 25. / kMaxVolumePercent, 2. / kMaxVolumePercent },
+		{ 50. / kMaxVolumePercent, 2. / kMaxVolumePercent },
+		{ 75. / kMaxVolumePercent, 2. / kMaxVolumePercent },
+		{ 100. / kMaxVolumePercent, 5. / kMaxVolumePercent },
+		{ 125. / kMaxVolumePercent, 2. / kMaxVolumePercent },
+		{ 150. / kMaxVolumePercent, 2. / kMaxVolumePercent },
+		{ 175. / kMaxVolumePercent, 2. / kMaxVolumePercent },
+	}};
+
+QString VolumeString(int volumePercent) {
+	return u"%1%"_q.arg(volumePercent);
+}
+
+} // namespace
+
+MenuVolumeItem::MenuVolumeItem(
+	not_null<RpWidget*> parent,
+	const style::Menu &st,
+	rpl::producer<Group::ParticipantState> participantState,
+	int startVolume,
+	int maxVolume,
+	bool muted)
+: Ui::Menu::ItemBase(parent, st)
+, _maxVolume(maxVolume)
+, _cloudMuted(muted)
+, _localMuted(muted)
+, _slider(base::make_unique_q<Ui::MediaSlider>(
+	this,
+	st::groupCallMenuVolumeSlider))
+, _dummyAction(new QAction(parent))
+, _st(st)
+, _stCross(st::groupCallMuteCrossLine)
+, _crossLineMute(std::make_unique<Ui::CrossLineAnimation>(_stCross, true))
+, _arcs(std::make_unique<Ui::Paint::ArcsAnimation>(
+	st::groupCallSpeakerArcsAnimation,
+	kSpeakerThreshold,
+	_localMuted ? 0. : (startVolume / float(maxVolume)),
+	Ui::Paint::ArcsAnimation::HorizontalDirection::Right)) {
+
+	initResizeHook(parent->sizeValue());
+	enableMouseSelecting();
+	enableMouseSelecting(_slider.get());
+
+	_slider->setAlwaysDisplayMarker(true);
+
+	sizeValue(
+	) | rpl::start_with_next([=](const QSize &size) {
+		const auto geometry = QRect(QPoint(), size);
+		_itemRect = geometry - _st.itemPadding;
+		_speakerRect = QRect(_itemRect.topLeft(), _stCross.icon.size());
+		_arcPosition = _speakerRect.center()
+			+ QPoint(0, st::groupCallMenuSpeakerArcsSkip);
+		_volumeRect = QRect(
+			_arcPosition.x()
+				+ st::groupCallMenuVolumeSkip
+				+ _arcs->finishedWidth(),
+			_speakerRect.y(),
+			_st.itemStyle.font->width(VolumeString(kMaxVolumePercent)),
+			_speakerRect.height());
+
+		_slider->setGeometry(_itemRect
+			- style::margins(0, contentHeight() / 2, 0, 0));
+	}, lifetime());
+
+	setCloudVolume(startVolume);
+
+	paintRequest(
+	) | rpl::start_with_next([=](const QRect &clip) {
+		Painter p(this);
+
+		const auto volume = _localMuted
+			? 0
+			: std::round(_slider->value() * kMaxVolumePercent);
+		const auto muteProgress =
+			_crossLineAnimation.value((!volume) ? 1. : 0.);
+
+		const auto selected = isSelected();
+		p.fillRect(clip, selected ? st.itemBgOver : st.itemBg);
+
+		const auto mutePen = anim::color(
+			unmuteColor(),
+			muteColor(),
+			muteProgress);
+		p.setPen(mutePen);
+		p.setFont(_st.itemStyle.font);
+		p.drawText(_volumeRect, VolumeString(volume), style::al_left);
+
+		_crossLineMute->paint(
+			p,
+			_speakerRect.topLeft(),
+			muteProgress,
+			(!muteProgress) ? std::nullopt : std::optional<QColor>(mutePen));
+
+		{
+			p.translate(_arcPosition);
+			_arcs->paint(p);
+		}
+	}, lifetime());
+
+	_slider->setChangeProgressCallback([=](float64 value) {
+		const auto newMuted = (value == 0);
+		if (_localMuted != newMuted) {
+			_localMuted = newMuted;
+			_toggleMuteLocallyRequests.fire_copy(newMuted);
+
+			_crossLineAnimation.start(
+				[=] { update(_speakerRect.united(_volumeRect)); },
+				_localMuted ? 0. : 1.,
+				_localMuted ? 1. : 0.,
+				st::callPanelDuration);
+		}
+		if (value > 0) {
+			_changeVolumeLocallyRequests.fire(value * _maxVolume);
+		}
+		update(_volumeRect);
+		_arcs->setValue(value);
+	});
+
+	const auto returnVolume = [=] {
+		_changeVolumeLocallyRequests.fire_copy(_cloudVolume);
+	};
+
+	_slider->setChangeFinishedCallback([=](float64 value) {
+		const auto newVolume = std::round(value * _maxVolume);
+		const auto muted = (value == 0);
+
+		if (!_cloudMuted && muted) {
+			returnVolume();
+			_localMuted = true;
+			_toggleMuteRequests.fire(true);
+		}
+		if (_cloudMuted && muted) {
+			returnVolume();
+		}
+		if (_cloudMuted && !muted) {
+			_waitingForUpdateVolume = true;
+			_localMuted = false;
+			_toggleMuteRequests.fire(false);
+		}
+		if (!_cloudMuted && !muted) {
+			_changeVolumeRequests.fire_copy(newVolume);
+		}
+	});
+
+	std::move(
+		participantState
+	) | rpl::start_with_next([=](const Group::ParticipantState &state) {
+		const auto newMuted = state.mutedByMe;
+		const auto newVolume = state.volume.value_or(0);
+
+		_cloudMuted = _localMuted = newMuted;
+
+		if (!newVolume) {
+			return;
+		}
+		if (_waitingForUpdateVolume) {
+			const auto localVolume =
+				std::round(_slider->value() * _maxVolume);
+			if ((localVolume != newVolume)
+				&& (_cloudVolume == newVolume)) {
+				_changeVolumeRequests.fire(int(localVolume));
+			}
+		} else {
+			setCloudVolume(newVolume);
+		}
+		_waitingForUpdateVolume = false;
+	}, lifetime());
+
+	_slider->setAdjustCallback([=](float64 value) {
+		for (const auto &snap : kVolumeStickedValues) {
+			if (value > (snap.first - snap.second)
+				&& value < (snap.first + snap.second)) {
+				return snap.first;
+			}
+		}
+		return value;
+	});
+
+	initArcsAnimation();
+}
+
+void MenuVolumeItem::initArcsAnimation() {
+	const auto volumeLeftWas = lifetime().make_state<int>(0);
+	const auto lastTime = lifetime().make_state<int>(0);
+	_arcsAnimation.init([=](crl::time now) {
+		_arcs->update(now);
+		update(_speakerRect);
+
+		const auto wasRect = _volumeRect;
+		_volumeRect.moveLeft(anim::interpolate(
+			*volumeLeftWas,
+			_arcPosition.x()
+				+ st::groupCallMenuVolumeSkip
+				+ _arcs->finishedWidth(),
+			std::clamp(
+				(now - (*lastTime))
+					/ float64(st::groupCallSpeakerArcsAnimation.duration),
+				0.,
+				1.)));
+		update(_speakerRect.united(wasRect.united(_volumeRect)));
+	});
+
+	_arcs->startUpdateRequests(
+	) | rpl::start_with_next([=] {
+		if (!_arcsAnimation.animating()) {
+			*volumeLeftWas = _volumeRect.left();
+			*lastTime = crl::now();
+			_arcsAnimation.start();
+		}
+	}, lifetime());
+
+	_arcs->stopUpdateRequests(
+	) | rpl::start_with_next([=] {
+		_arcsAnimation.stop();
+	}, lifetime());
+}
+
+QColor MenuVolumeItem::unmuteColor() const {
+	return (isSelected()
+		? _st.itemFgOver
+		: isEnabled()
+		? _st.itemFg
+		: _st.itemFgDisabled)->c;
+}
+
+QColor MenuVolumeItem::muteColor() const {
+	return (isSelected()
+		? st::attentionButtonFgOver
+		: st::attentionButtonFg)->c;
+}
+
+void MenuVolumeItem::setCloudVolume(int volume) {
+	if (_cloudVolume == volume) {
+		return;
+	}
+	_cloudVolume = volume;
+	if (!_slider->isChanging()) {
+		setSliderVolume(_cloudMuted ? 0. : volume);
+	}
+}
+
+void MenuVolumeItem::setSliderVolume(int volume) {
+	_slider->setValue(float64(volume) / _maxVolume);
+	update(_volumeRect);
+}
+
+not_null<QAction*> MenuVolumeItem::action() const {
+	return _dummyAction;
+}
+
+bool MenuVolumeItem::isEnabled() const {
+	return true;
+}
+
+int MenuVolumeItem::contentHeight() const {
+	return _st.itemPadding.top()
+		+ _st.itemPadding.bottom()
+		+ _stCross.icon.height() * 2;
+}
+
+rpl::producer<bool> MenuVolumeItem::toggleMuteRequests() const {
+	return _toggleMuteRequests.events();
+}
+
+rpl::producer<bool> MenuVolumeItem::toggleMuteLocallyRequests() const {
+	return _toggleMuteLocallyRequests.events();
+}
+
+rpl::producer<int> MenuVolumeItem::changeVolumeRequests() const {
+	return _changeVolumeRequests.events();
+}
+
+rpl::producer<int> MenuVolumeItem::changeVolumeLocallyRequests() const {
+	return _changeVolumeLocallyRequests.events();
+}
+
+} // namespace Calls

Telegram/SourceFiles/calls/calls_volume_item.h

@@ -0,0 +1,87 @@
+/*
+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/rp_widget.h"
+#include "ui/widgets/menu/menu_item_base.h"
+
+namespace Ui {
+class CrossLineAnimation;
+class MediaSlider;
+namespace Paint {
+class ArcsAnimation;
+} // namespace Paint
+} // namespace Ui
+
+namespace Calls {
+
+namespace Group {
+struct MuteRequest;
+struct VolumeRequest;
+struct ParticipantState;
+} // namespace Group
+
+class MenuVolumeItem final : public Ui::Menu::ItemBase {
+public:
+	MenuVolumeItem(
+		not_null<RpWidget*> parent,
+		const style::Menu &st,
+		rpl::producer<Group::ParticipantState> participantState,
+		int startVolume,
+		int maxVolume,
+		bool muted);
+
+	not_null<QAction*> action() const override;
+	bool isEnabled() const override;
+
+	[[nodiscard]] rpl::producer<bool> toggleMuteRequests() const;
+	[[nodiscard]] rpl::producer<bool> toggleMuteLocallyRequests() const;
+	[[nodiscard]] rpl::producer<int> changeVolumeRequests() const;
+	[[nodiscard]] rpl::producer<int> changeVolumeLocallyRequests() const;
+
+protected:
+	int contentHeight() const override;
+
+private:
+	void initArcsAnimation();
+
+	void setCloudVolume(int volume);
+	void setSliderVolume(int volume);
+
+	QColor unmuteColor() const;
+	QColor muteColor() const;
+
+	const int _maxVolume;
+	int _cloudVolume = 0;
+	bool _waitingForUpdateVolume = false;
+	bool _cloudMuted = false;
+	bool _localMuted = false;
+
+	QRect _itemRect;
+	QRect _speakerRect;
+	QRect _volumeRect;
+	QPoint _arcPosition;
+
+	const base::unique_qptr<Ui::MediaSlider> _slider;
+	const not_null<QAction*> _dummyAction;
+	const style::Menu &_st;
+	const style::CrossLineAnimation &_stCross;
+
+	const std::unique_ptr<Ui::CrossLineAnimation> _crossLineMute;
+	Ui::Animations::Simple _crossLineAnimation;
+	const std::unique_ptr<Ui::Paint::ArcsAnimation> _arcs;
+	Ui::Animations::Basic _arcsAnimation;
+
+	rpl::event_stream<bool> _toggleMuteRequests;
+	rpl::event_stream<bool> _toggleMuteLocallyRequests;
+	rpl::event_stream<int> _changeVolumeRequests;
+	rpl::event_stream<int> _changeVolumeLocallyRequests;
+
+};
+
+} // namespace Calls

Telegram/SourceFiles/chat_helpers/emoji_suggestions_widget.cpp

@@ -179,12 +179,15 @@ void SuggestionsWidget::scrollByWheelEvent(not_null<QWheelEvent*> e) {
 			const auto delta = e->pixelDelta().x()
 				? e->pixelDelta().x()
 				: e->angleDelta().x();
-			return snap(current - ((rtl() ? -1 : 1) * delta), 0, _scrollMax);
+			return std::clamp(
+				current - ((rtl() ? -1 : 1) * delta),
+				0,
+				_scrollMax);
 		} else if (vertical) {
 			const auto delta = e->pixelDelta().y()
 				? e->pixelDelta().y()
 				: e->angleDelta().y();
-			return snap(current - delta, 0, _scrollMax);
+			return std::clamp(current - delta, 0, _scrollMax);
 		}
 		return current;
 	}();
@@ -241,7 +244,7 @@ void SuggestionsWidget::paintEvent(QPaintEvent *e) {
 
 void SuggestionsWidget::paintFadings(Painter &p) const {
 	const auto scroll = scrollCurrent();
-	const auto o_left = snap(
+	const auto o_left = std::clamp(
 		scroll / float64(st::emojiSuggestionsFadeAfter),
 		0.,
 		1.);
@@ -256,7 +259,7 @@ void SuggestionsWidget::paintFadings(Painter &p) const {
 		st::emojiSuggestionsFadeLeft.fill(p, rect);
 		p.setOpacity(1.);
 	}
-	const auto o_right = snap(
+	const auto o_right = std::clamp(
 		(_scrollMax - scroll) / float64(st::emojiSuggestionsFadeAfter),
 		0.,
 		1.);
@@ -422,7 +425,7 @@ void SuggestionsWidget::mouseMoveEvent(QMouseEvent *e) {
 	const auto globalPosition = e->globalPos();
 	if (_dragScrollStart >= 0) {
 		const auto delta = (_mousePressPosition.x() - globalPosition.x());
-		const auto scroll = snap(
+		const auto scroll = std::clamp(
 			_dragScrollStart + (rtl() ? -1 : 1) * delta,
 			0,
 			_scrollMax);

Telegram/SourceFiles/chat_helpers/field_autocomplete.cpp

@@ -33,6 +33,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "ui/ui_utility.h"
 #include "ui/cached_round_corners.h"
 #include "base/unixtime.h"
+#include "base/openssl_help.h"
 #include "window/window_session_controller.h"
 #include "facades.h"
 #include "styles/style_chat.h"
@@ -636,7 +637,7 @@ void FieldAutocomplete::showAnimated() {
 		return;
 	}
 	if (_cache.isNull()) {
-		_stickersSeed = rand_value<uint64>();
+		_stickersSeed = openssl::RandomValue<uint64>();
 		_scroll->show();
 		_cache = Ui::GrabWidget(this);
 	}
@@ -1138,7 +1139,7 @@ void FieldAutocomplete::Inner::contextMenuEvent(QContextMenuEvent *e) {
 		SendMenu::DefaultSilentCallback(send),
 		SendMenu::DefaultScheduleCallback(this, type, send));
 
-	if (!_menu->actions().empty()) {
+	if (!_menu->empty()) {
 		_menu->popup(QCursor::pos());
 	}
 }

Telegram/SourceFiles/chat_helpers/stickers_list_widget.cpp

@@ -404,7 +404,7 @@ void StickersListWidget::Footer::setSelectedIcon(
 	auto iconsCountForCentering = (2 * _iconSel + 1);
 	auto iconsWidthForCentering = iconsCountForCentering
 		* st::stickerIconWidth;
-	auto iconsXFinal = snap(
+	auto iconsXFinal = std::clamp(
 		(_iconsLeft + iconsWidthForCentering + _iconsRight - width()) / 2,
 		0,
 		_iconsMax);
@@ -486,13 +486,19 @@ void StickersListWidget::Footer::paintSelectionBar(Painter &p) const {
 }
 
 void StickersListWidget::Footer::paintLeftRightFading(Painter &p) const {
-	auto o_left = snap(_iconsX.current() / st::stickerIconLeft.width(), 0., 1.);
+	auto o_left = std::clamp(
+		_iconsX.current() / st::stickerIconLeft.width(),
+		0.,
+		1.);
 	if (o_left > 0) {
 		p.setOpacity(o_left);
 		st::stickerIconLeft.fill(p, style::rtlrect(_iconsLeft, _iconsTop, st::stickerIconLeft.width(), st::emojiFooterHeight, width()));
 		p.setOpacity(1.);
 	}
-	auto o_right = snap((_iconsMax - _iconsX.current()) / st::stickerIconRight.width(), 0., 1.);
+	auto o_right = std::clamp(
+		(_iconsMax - _iconsX.current()) / st::stickerIconRight.width(),
+		0.,
+		1.);
 	if (o_right > 0) {
 		p.setOpacity(o_right);
 		st::stickerIconRight.fill(p, style::rtlrect(width() - _iconsRight - st::stickerIconRight.width(), _iconsTop, st::stickerIconRight.width(), st::emojiFooterHeight, width()));
@@ -554,7 +560,11 @@ void StickersListWidget::Footer::mouseMoveEvent(QMouseEvent *e) {
 		}
 	}
 	if (_iconsDragging) {
-		auto newX = snap(_iconsStartX + (rtl() ? -1 : 1) * (_iconsMouseDown.x() - _iconsMousePos.x()), 0, _iconsMax);
+		auto newX = std::clamp(
+			(rtl() ? -1 : 1) * (_iconsMouseDown.x() - _iconsMousePos.x())
+				+ _iconsStartX,
+			0,
+			_iconsMax);
 		if (newX != qRound(_iconsX.current())) {
 			_iconsX = anim::value(newX, newX);
 			_iconsStartAnim = 0;
@@ -589,7 +599,10 @@ void StickersListWidget::Footer::mouseReleaseEvent(QMouseEvent *e) {
 }
 
 void StickersListWidget::Footer::finishDragging() {
-	auto newX = snap(_iconsStartX + _iconsMouseDown.x() - _iconsMousePos.x(), 0, _iconsMax);
+	auto newX = std::clamp(
+		_iconsStartX + _iconsMouseDown.x() - _iconsMousePos.x(),
+		0,
+		_iconsMax);
 	if (newX != qRound(_iconsX.current())) {
 		_iconsX = anim::value(newX, newX);
 		_iconsStartAnim = 0;
@@ -621,9 +634,19 @@ void StickersListWidget::Footer::scrollByWheelEvent(
 	}
 	auto newX = qRound(_iconsX.current());
 	if (/*_horizontal && */horizontal) {
-		newX = snap(newX - (rtl() ? -1 : 1) * (e->pixelDelta().x() ? e->pixelDelta().x() : e->angleDelta().x()), 0, _iconsMax);
+		newX = std::clamp(
+			newX - (rtl() ? -1 : 1) * (e->pixelDelta().x()
+				? e->pixelDelta().x()
+				: e->angleDelta().x()),
+			0,
+			_iconsMax);
 	} else if (/*!_horizontal && */vertical) {
-		newX = snap(newX - (e->pixelDelta().y() ? e->pixelDelta().y() : e->angleDelta().y()), 0, _iconsMax);
+		newX = std::clamp(
+			newX - (e->pixelDelta().y()
+				? e->pixelDelta().y()
+				: e->angleDelta().y()),
+			0,
+			_iconsMax);
 	}
 	if (newX != qRound(_iconsX.current())) {
 		_iconsX = anim::value(newX, newX);