Corrected disconnection on no contact with server

syncplay/client.py

@@ -101,6 +101,15 @@ class SyncplayClient(object):
             return
         if(self._player):
             self._player.askForStatus()
+        self.checkIfConnected()
+
+    def checkIfConnected(self):
+        if(self._lastGlobalUpdate and self._protocol and time.time() - self._lastGlobalUpdate > 2.5):
+            self._lastGlobalUpdate = None
+            self.ui.showErrorMessage("Connection with server timeouted")
+            self._protocol.drop()
+            return False
+        return True
 
     def _determinePlayerStateChange(self, paused, position):
         pauseChange = self.getPlayerPaused() != paused and self.getGlobalPaused() != paused