quick_frontend(QuickApp): added onBridgeConnected method

frontends/src/quick_frontend/quick_app.py

@@ -255,6 +255,9 @@ class QuickApp(object):
     def connectBridge(self):
         self.bridge.bridgeConnect(callback=self._bridgeCb, errback=self._bridgeEb)
 
+    def onBridgeConnected(self):
+        pass
+
     def _bridgeCb(self):
         self.registerSignal("connected")
         self.registerSignal("disconnected")
@@ -281,6 +284,7 @@ class QuickApp(object):
         quick_games.Tarot.registerSignals(self)
         quick_games.Quiz.registerSignals(self)
         quick_games.Radiocol.registerSignals(self)
+        self.onBridgeConnected()
 
     def _bridgeEb(self, failure):
         if isinstance(failure, exceptions.BridgeExceptionNoService):