Reworked notification code in system tray.

Added a base class and a possibility for the main dialogs and the plugins (derived from MainPage) to provide a notifier.

git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@5381 b45a01b8-16f6-495d-af2f-9b41ad6348cc

retroshare-gui/src/gui/TransfersDialog.cpp

@@ -48,6 +48,7 @@
 #include "settings/rsharesettings.h"
 #include "util/misc.h"
 #include "common/RsCollectionFile.h"
+#include "transfers/TransferUserNotify.h"
 
 #include <retroshare/rsfiles.h>
 #include <retroshare/rspeers.h>
@@ -399,6 +400,11 @@ TransfersDialog::~TransfersDialog()
     processSettings(false);
 }
 
+UserNotify *TransfersDialog::getUserNotify(QObject *parent)
+{
+    return new TransferUserNotify(parent);
+}
+
 void TransfersDialog::processSettings(bool bLoad)
 {
     m_bProcessSettings = true;