Windows 8/8.1/10 toast notifications support added

Telegram/SourceFiles/pspecific_wnd.h

@@ -67,6 +67,9 @@ public:
 
 	void psUpdateCounter();
 
+	bool psHasNativeNotifications();
+	void psCleanNotifyPhotosIn(int32 dt);
+
 	virtual QImage iconWithCounter(int size, int count, style::color bg, bool smallIcon) = 0;
 
 	~PsMainWindow();
@@ -77,6 +80,8 @@ public slots:
 	void psSavePosition(Qt::WindowState state = Qt::WindowActive);
     void psShowTrayMenu();
 
+	void psCleanNotifyPhotos();
+
 protected:
 
     bool psHasTrayIcon() const {
@@ -100,6 +105,8 @@ private:
 	HMENU ps_menu;
 	HICON ps_iconBig, ps_iconSmall, ps_iconOverlay;
 
+	SingleTimer ps_cleanNotifyPhotosTimer;
+
 	void psDestroyIcons();
 };