Added animation of send action for stickers to middle of text.

Telegram/SourceFiles/lang/lang_instance.cpp

@@ -303,6 +303,7 @@ void Instance::reset(const Language &data) {
 		_values[i] = GetOriginalValue(ushort(i));
 	}
 	ranges::fill(_nonDefaultSet, 0);
+	updateSupportChoosingStickerReplacement();
 
 	_idChanges.fire_copy(_id);
 }
@@ -548,6 +549,7 @@ void Instance::fillFromSerialized(
 		applyValue(nonDefaultStrings[i], nonDefaultStrings[i + 1]);
 	}
 	updatePluralRules();
+	updateSupportChoosingStickerReplacement();
 
 	_idChanges.fire_copy(_id);
 }
@@ -572,6 +574,7 @@ void Instance::fillFromCustomContent(
 	_pluralId = PluralCodeForCustom(absolutePath, relativePath);
 	_name = _nativeName = QString();
 	loadFromCustomContent(absolutePath, relativePath, content);
+	updateSupportChoosingStickerReplacement();
 
 	_idChanges.fire_copy(_id);
 }
@@ -602,6 +605,20 @@ bool Instance::loadFromCustomFile(const QString &filePath) {
 	return false;
 }
 
+void Instance::updateSupportChoosingStickerReplacement() {
+	// A language changing in the runtime is not supported.
+	const auto phrase = tr::lng_send_action_choose_sticker(tr::now);
+	const auto first = phrase.indexOf(kChoosingStickerReplacement.utf8());
+	const auto last = phrase.lastIndexOf(kChoosingStickerReplacement.utf8());
+	_supportChoosingStickerReplacement = (first == last)
+		? (first != -1)
+		: false;
+}
+
+bool Instance::supportChoosingStickerReplacement() const {
+	return _supportChoosingStickerReplacement;
+}
+
 // SetCallback takes two QByteArrays: key, value.
 // It is called for all key-value pairs in string.
 // ResetCallback takes one QByteArray: key.

Telegram/SourceFiles/lang/lang_instance.h

@@ -13,6 +13,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 
 namespace Lang {
 
+inline constexpr auto kChoosingStickerReplacement = "oo"_cs;
+
 struct Language {
 	QString id;
 	QString pluralId;
@@ -74,6 +76,8 @@ public:
 	QByteArray serialize() const;
 	void fillFromSerialized(const QByteArray &data, int dataAppVersion);
 
+	bool supportChoosingStickerReplacement() const;
+
 	void applyDifference(
 		Pack pack,
 		const MTPDlangPackDifference &difference);
@@ -120,6 +124,7 @@ private:
 		const QString &relativePath,
 		const QByteArray &content);
 	void updatePluralRules();
+	void updateSupportChoosingStickerReplacement();
 
 	Instance *_derived = nullptr;
 
@@ -132,6 +137,8 @@ private:
 	int _version = 0;
 	rpl::event_stream<> _updated;
 
+	bool _supportChoosingStickerReplacement;
+
 	mutable QString _systemLanguage;
 
 	std::vector<QString> _values;