Subscribe to StatusNotifierHostRegistered signal

Telegram/SourceFiles/platform/linux/main_window_linux.cpp

@@ -39,6 +39,12 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtDBus/QDBusReply>
 #include <QtDBus/QDBusError>
 #include <QtDBus/QDBusMetaType>
+
+extern "C" {
+#undef signals
+#include <gio/gio.h>
+#define signals public
+} // extern "C"
 #endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 
 #include <glib.h>
@@ -51,10 +57,13 @@ constexpr auto kForcePanelIcon = "TDESKTOP_FORCE_PANEL_ICON"_cs;
 constexpr auto kPanelTrayIconName = "telegram-panel"_cs;
 constexpr auto kMutePanelTrayIconName = "telegram-mute-panel"_cs;
 constexpr auto kAttentionPanelTrayIconName = "telegram-attention-panel"_cs;
-constexpr auto kSNIWatcherService = "org.kde.StatusNotifierWatcher"_cs;
 constexpr auto kPropertiesInterface = "org.freedesktop.DBus.Properties"_cs;
 constexpr auto kTrayIconFilename = "tdesktop-trayicon-XXXXXX.png"_cs;
 
+constexpr auto kSNIWatcherService = "org.kde.StatusNotifierWatcher"_cs;
+constexpr auto kSNIWatcherObjectPath = "/StatusNotifierWatcher"_cs;
+constexpr auto kSNIWatcherInterface = kSNIWatcherService;
+
 constexpr auto kAppMenuService = "com.canonical.AppMenu.Registrar"_cs;
 constexpr auto kAppMenuObjectPath = "/com/canonical/AppMenu/Registrar"_cs;
 constexpr auto kAppMenuInterface = kAppMenuService;
@@ -65,9 +74,6 @@ base::flat_map<int, QImage> TrayIconImageBack;
 QIcon TrayIcon;
 QString TrayIconThemeName, TrayIconName;
 
-bool SNIAvailable = false;
-bool AppMenuSupported = false;
-
 QString GetPanelIconName(int counter, bool muted) {
 	return (counter > 0)
 		? (muted
@@ -222,7 +228,13 @@ QIcon TrayIconGen(int counter, bool muted) {
 					iconImage.height() - layer.height() - 1,
 					layer);
 			} else {
-				App::wnd()->placeSmallCounter(iconImage, 16, counter, bg, QPoint(), fg);
+				App::wnd()->placeSmallCounter(
+					iconImage,
+					16,
+					counter,
+					bg,
+					QPoint(),
+					fg);
 			}
 		}
 
@@ -312,7 +324,7 @@ bool IsSNIAvailable() {
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 	auto message = QDBusMessage::createMethodCall(
 		kSNIWatcherService.utf16(),
-		qsl("/StatusNotifierWatcher"),
+		kSNIWatcherObjectPath.utf16(),
 		kPropertiesInterface.utf16(),
 		qsl("Get"));
 
@@ -416,15 +428,26 @@ MainWindow::MainWindow(not_null<Window::Controller*> controller)
 }
 
 void MainWindow::initHook() {
-	SNIAvailable = IsSNIAvailable();
-
-	const auto trayAvailable = SNIAvailable
-		|| QSystemTrayIcon::isSystemTrayAvailable();
-
-	LOG(("System tray available: %1").arg(Logs::b(trayAvailable)));
-	Platform::SetTrayIconSupported(trayAvailable);
+	_sniAvailable = IsSNIAvailable();
+	LOG(("System tray available: %1").arg(Logs::b(trayAvailable())));
 
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
+	_sniDBusProxy = g_dbus_proxy_new_for_bus_sync(
+		G_BUS_TYPE_SESSION,
+		G_DBUS_PROXY_FLAGS_NONE,
+		nullptr,
+		kSNIWatcherService.utf8(),
+		kSNIWatcherObjectPath.utf8(),
+		kSNIWatcherInterface.utf8(),
+		nullptr,
+		nullptr);
+
+	g_signal_connect(
+		_sniDBusProxy,
+		"g-signal",
+		G_CALLBACK(sniSignalEmitted),
+		this);
+
 	auto sniWatcher = new QDBusServiceWatcher(
 		kSNIWatcherService.utf16(),
 		QDBusConnection::sessionBus(),
@@ -442,7 +465,7 @@ void MainWindow::initHook() {
 			handleSNIOwnerChanged(service, oldOwner, newOwner);
 		});
 
-	AppMenuSupported = IsAppMenuSupported();
+	_appMenuSupported = IsAppMenuSupported();
 
 	auto appMenuWatcher = new QDBusServiceWatcher(
 		kAppMenuService.utf16(),
@@ -461,7 +484,7 @@ void MainWindow::initHook() {
 			handleAppMenuOwnerChanged(service, oldOwner, newOwner);
 		});
 
-	if (AppMenuSupported) {
+	if (_appMenuSupported) {
 		LOG(("Using D-Bus global menu."));
 	} else {
 		LOG(("Not using D-Bus global menu."));
@@ -484,7 +507,7 @@ void MainWindow::initHook() {
 
 bool MainWindow::hasTrayIcon() const {
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
-	return trayIcon || (SNIAvailable && _sniTrayIcon);
+	return trayIcon || (_sniAvailable && _sniTrayIcon);
 #else
 	return trayIcon;
 #endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
@@ -564,22 +587,50 @@ void MainWindow::attachToSNITrayIcon() {
 	updateTrayMenu();
 }
 
-void MainWindow::handleSNIOwnerChanged(
-		const QString &service,
-		const QString &oldOwner,
-		const QString &newOwner) {
-	SNIAvailable = !newOwner.isEmpty();
+void MainWindow::sniSignalEmitted(
+		GDBusProxy *proxy,
+		gchar *sender_name,
+		gchar *signal_name,
+		GVariant *parameters,
+		MainWindow *window) {
+	if(signal_name == qstr("StatusNotifierHostRegistered")) {
+		window->handleSNIHostRegistered();
+	}
+}
 
-	const auto trayAvailable = SNIAvailable
-		|| QSystemTrayIcon::isSystemTrayAvailable();
+void MainWindow::handleSNIHostRegistered() {
+	if (_sniAvailable) {
+		return;
+	}
 
-	Platform::SetTrayIconSupported(trayAvailable);
+	_sniAvailable = true;
 
 	if (Global::WorkMode().value() == dbiwmWindowOnly) {
 		return;
 	}
 
-	if (oldOwner.isEmpty() && !newOwner.isEmpty()) {
+	LOG(("Switching to SNI tray icon..."));
+
+	if (trayIcon) {
+		trayIcon->setContextMenu(0);
+		trayIcon->deleteLater();
+	}
+	trayIcon = nullptr;
+
+	psSetupTrayIcon();
+}
+
+void MainWindow::handleSNIOwnerChanged(
+		const QString &service,
+		const QString &oldOwner,
+		const QString &newOwner) {
+	_sniAvailable = IsSNIAvailable();
+
+	if (Global::WorkMode().value() == dbiwmWindowOnly) {
+		return;
+	}
+
+	if (oldOwner.isEmpty() && !newOwner.isEmpty() && _sniAvailable) {
 		LOG(("Switching to SNI tray icon..."));
 	} else if (!oldOwner.isEmpty() && newOwner.isEmpty()) {
 		LOG(("Switching to Qt tray icon..."));
@@ -593,7 +644,7 @@ void MainWindow::handleSNIOwnerChanged(
 	}
 	trayIcon = nullptr;
 
-	if (trayAvailable) {
+	if (trayAvailable()) {
 		psSetupTrayIcon();
 	} else {
 		LOG(("System tray is not available."));
@@ -605,14 +656,14 @@ void MainWindow::handleAppMenuOwnerChanged(
 		const QString &oldOwner,
 		const QString &newOwner) {
 	if (oldOwner.isEmpty() && !newOwner.isEmpty()) {
-		AppMenuSupported = true;
+		_appMenuSupported = true;
 		LOG(("Using D-Bus global menu."));
 	} else if (!oldOwner.isEmpty() && newOwner.isEmpty()) {
-		AppMenuSupported = false;
+		_appMenuSupported = false;
 		LOG(("Not using D-Bus global menu."));
 	}
 
-	if (AppMenuSupported && !_mainMenuPath.path().isEmpty()) {
+	if (_appMenuSupported && !_mainMenuPath.path().isEmpty()) {
 		RegisterAppMenu(winId(), _mainMenuPath);
 	} else {
 		UnregisterAppMenu(winId());
@@ -624,7 +675,7 @@ void MainWindow::psSetupTrayIcon() {
 	const auto counter = Core::App().unreadBadge();
 	const auto muted = Core::App().unreadBadgeMuted();
 
-	if (SNIAvailable) {
+	if (_sniAvailable) {
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 		LOG(("Using SNI tray icon."));
 		if (!_sniTrayIcon) {
@@ -654,7 +705,7 @@ void MainWindow::psSetupTrayIcon() {
 }
 
 void MainWindow::workmodeUpdated(DBIWorkMode mode) {
-	if (!Platform::TrayIconSupported()) {
+	if (!trayAvailable()) {
 		return;
 	} else if (mode == dbiwmWindowOnly) {
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
@@ -953,7 +1004,7 @@ void MainWindow::createGlobalMenu() {
 		_mainMenuPath.path(),
 		psMainMenu);
 
-	if (AppMenuSupported) {
+	if (_appMenuSupported) {
 		RegisterAppMenu(winId(), _mainMenuPath);
 	}
 
@@ -1074,7 +1125,7 @@ void MainWindow::updateGlobalMenuHook() {
 }
 
 void MainWindow::handleVisibleChangedHook(bool visible) {
-	if (AppMenuSupported && !_mainMenuPath.path().isEmpty()) {
+	if (_appMenuSupported && !_mainMenuPath.path().isEmpty()) {
 		if (visible) {
 			RegisterAppMenu(winId(), _mainMenuPath);
 		} else {
@@ -1089,12 +1140,14 @@ MainWindow::~MainWindow() {
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 	delete _sniTrayIcon;
 
-	if (AppMenuSupported) {
+	if (_appMenuSupported) {
 		UnregisterAppMenu(winId());
 	}
 
 	delete _mainMenuExporter;
 	delete psMainMenu;
+
+	g_object_unref(_sniDBusProxy);
 #endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 
 	delete _trayIconMenuXEmbed;

Telegram/SourceFiles/platform/linux/main_window_linux.h

@@ -16,7 +16,11 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include <QtCore/QTemporaryFile>
 #include <QtDBus/QDBusObjectPath>
 #include <dbusmenuexporter.h>
-#endif
+
+typedef char gchar;
+typedef struct _GVariant GVariant;
+typedef struct _GDBusProxy GDBusProxy;
+#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 
 namespace Platform {
 
@@ -33,6 +37,14 @@ public:
 
 	void psShowTrayMenu();
 
+	bool trayAvailable() {
+		return _sniAvailable || QSystemTrayIcon::isSystemTrayAvailable();
+	}
+
+#ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
+	void handleSNIHostRegistered();
+#endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
+
 	static void LibsLoaded();
 
 	~MainWindow();
@@ -64,6 +76,7 @@ protected:
 		style::color color) = 0;
 
 private:
+	bool _sniAvailable = false;
 	Ui::PopupMenu *_trayIconMenuXEmbed = nullptr;
 
 	void updateIconCounters();
@@ -71,8 +84,10 @@ private:
 
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 	StatusNotifierItem *_sniTrayIcon = nullptr;
+	GDBusProxy *_sniDBusProxy = nullptr;
 	std::unique_ptr<QTemporaryFile> _trayIconFile = nullptr;
 
+	bool _appMenuSupported = false;
 	DBusMenuExporter *_mainMenuExporter = nullptr;
 	QDBusObjectPath _mainMenuPath;
 
@@ -124,6 +139,13 @@ private:
 	void psLinuxStrikeOut();
 	void psLinuxMonospace();
 	void psLinuxClearFormat();
+
+	static void sniSignalEmitted(
+		GDBusProxy *proxy,
+		gchar *sender_name,
+		gchar *signal_name,
+		GVariant *parameters,
+		MainWindow *window);
 #endif // !DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 
 };

Telegram/SourceFiles/platform/linux/specific_linux.cpp

@@ -85,8 +85,6 @@ constexpr auto kXCBFrameExtentsAtomName = "_GTK_FRAME_EXTENTS"_cs;
 
 QStringList PlatformThemes;
 
-bool IsTrayIconSupported = false;
-
 #ifndef DESKTOP_APP_DISABLE_DBUS_INTEGRATION
 void PortalAutostart(bool autostart, bool silent = false) {
 	if (cExeName().isEmpty()) {
@@ -1066,11 +1064,9 @@ bool AutostartSupported() {
 }
 
 bool TrayIconSupported() {
-	return IsTrayIconSupported;
-}
-
-void SetTrayIconSupported(bool supported) {
-	IsTrayIconSupported = supported;
+	return App::wnd()
+		? App::wnd()->trayAvailable()
+		: false;
 }
 
 bool StartSystemMove(QWindow *window) {

Telegram/SourceFiles/platform/linux/specific_linux.h

@@ -42,7 +42,6 @@ QString GetIconName();
 inline void IgnoreApplicationActivationRightNow() {
 }
 
-void SetTrayIconSupported(bool supported);
 void InstallMainDesktopFile();
 
 } // namespace Platform