Merge tag 'v6.7.8' into dev

# Conflicts:
#	.github/workflows/mac_packaged.yml
#	Telegram/Resources/winrc/Telegram.rc
#	Telegram/Resources/winrc/Updater.rc
#	Telegram/SourceFiles/api/api_chat_invite.h
#	Telegram/SourceFiles/boxes/language_box.cpp
#	Telegram/SourceFiles/boxes/send_files_box.h
#	Telegram/SourceFiles/boxes/sticker_set_box.cpp
#	Telegram/SourceFiles/core/version.h
#	Telegram/SourceFiles/data/data_types.h
#	Telegram/SourceFiles/history/history_item.cpp
#	Telegram/SourceFiles/history/history_widget.cpp
#	Telegram/SourceFiles/history/view/history_view_chat_section.cpp
#	Telegram/SourceFiles/history/view/history_view_message.cpp
#	Telegram/SourceFiles/history/view/history_view_translate_bar.cpp
#	Telegram/SourceFiles/history/view/history_view_translate_tracker.cpp
#	Telegram/SourceFiles/platform/mac/main_window_mac.mm
#	Telegram/SourceFiles/settings/sections/settings_main.cpp
#	Telegram/lib_ui
#	snap/snapcraft.yaml

Telegram/SourceFiles/core/application.cpp

@@ -27,6 +27,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "core/sandbox.h"
 #include "core/local_url_handlers.h"
 #include "core/launcher.h"
+#include "core/proxy_rotation_manager.h"
 #include "core/ui_integration.h"
 #include "chat_helpers/emoji_keywords.h"
 #include "chat_helpers/stickers_emoji_image_loader.h"
@@ -151,6 +152,7 @@ struct Application::Private {
 	base::Timer quitTimer;
 	UiIntegration uiIntegration;
 	Settings settings;
+	std::unique_ptr<ProxyRotationManager> proxyRotation;
 };
 
 Application::Application()
@@ -178,6 +180,7 @@ Application::Application()
 , _setupEmailLock(false)
 , _autoLockTimer([=] { checkAutoLock(); }) {
 	Ui::Integration::Set(&_private->uiIntegration);
+	_private->proxyRotation = std::make_unique<ProxyRotationManager>();
 
 	_platformIntegration->init();
 
@@ -239,6 +242,7 @@ Application::~Application() {
 	// Domain::finish() and there is a violation on Ensures(started()).
 	closeAdditionalWindows();
 
+	_private->proxyRotation = nullptr;
 	_domain->finish();
 
 	Local::finish();
@@ -843,6 +847,17 @@ void Application::setCurrentProxy(
 	refreshGlobalProxy();
 	_proxyChanges.fire({ was, now });
 	my.connectionTypeChangesNotify();
+	proxyRotationSettingsChanged();
+}
+
+void Application::proxyRotationSettingsChanged() {
+	_private->proxyRotation->settingsChanged();
+}
+
+void Application::checkProxyRotation(
+		not_null<Main::Account*> account,
+		int32 state) {
+	_private->proxyRotation->handleConnectionStateChanged(account, state);
 }
 
 auto Application::proxyChanges() const -> rpl::producer<ProxyChange> {