quick_frontend: display over whole alerts counter

frontends/src/quick_frontend/quick_app.py

@@ -278,6 +278,11 @@ class QuickApp(object):
         """widgets currently visible (must be implemented by frontend)"""
         raise NotImplementedError
 
+    @property
+    def alerts_count(self):
+        """Count the over whole alerts for all contact lists"""
+        return sum([len(clist._alerts) for clist in self.contact_lists.values()])
+
     def registerSignal(self, function_name, handler=None, iface="core", with_profile=True):
         """Register a handler for a signal
 
@@ -638,6 +643,12 @@ class QuickApp(object):
     def showAlert(self, message):
         pass  #FIXME
 
+    def updateAlertsCounter(self):
+        """Update the over whole alerts counter
+
+        """
+        pass
+
     def paramUpdateHandler(self, name, value, namespace, profile):
         log.debug(_(u"param update: [%(namespace)s] %(name)s = %(value)s") % {'namespace': namespace, 'name': name, 'value': value})
         if (namespace, name) == ("Connection", "JabberID"):