Add proxy auto-rotation option.

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"
@@ -146,6 +147,7 @@ struct Application::Private {
 	base::Timer quitTimer;
 	UiIntegration uiIntegration;
 	Settings settings;
+	std::unique_ptr<ProxyRotationManager> proxyRotation;
 };
 
 Application::Application()
@@ -173,6 +175,7 @@ Application::Application()
 , _setupEmailLock(false)
 , _autoLockTimer([=] { checkAutoLock(); }) {
 	Ui::Integration::Set(&_private->uiIntegration);
+	_private->proxyRotation = std::make_unique<ProxyRotationManager>();
 
 	_platformIntegration->init();
 
@@ -234,6 +237,7 @@ Application::~Application() {
 	// Domain::finish() and there is a violation on Ensures(started()).
 	closeAdditionalWindows();
 
+	_private->proxyRotation = nullptr;
 	_domain->finish();
 
 	Local::finish();
@@ -833,6 +837,17 @@ 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> {