primitivus: display chat states (with symbols) for MUC participants

frontends/src/quick_frontend/quick_chat.py

@@ -153,3 +153,12 @@ class QuickChat(object):
         #No need to raise an error as game are not mandatory
         warning(_('getGame is not implemented in this frontend'))
 
+    def updateChatState(self, state, nick=None):
+        """Set the chat state (XEP-0085) of the contact. Leave nick to None
+        to set the state for a one2one conversation, or give a nickname or
+        Const.ALL_OCCUPANTS to set the state of a participant within a MUC.
+        @param state: the new chat state
+        @param nick: None for one2one, the MUC user nick or ALL_OCCUPANTS
+        """
+        raise NotImplementedError
+