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Don't create more than one activity chat, and join a published chat when it appears

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This commit is contained in:
Dan Williams 2006-06-22 14:37:34 -04:00
parent 75402820e3
commit be992586b1
1 changed files with 25 additions and 7 deletions
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32
sugar/chat/ActivityChat.py
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@ -4,23 +4,41 @@ from sugar.chat.GroupChat import GroupChat
class ActivityChat(GroupChat):
SERVICE_TYPE = "_olpc_activity_chat._udp"
SERVICE_PORT = 6200
def __init__(self, activity):
GroupChat.__init__(self)
self._chat_service = None
self._activity = activity
self._pservice.connect('service-appeared', self._service_appeared_cb)
self._pservice.track_service_type(ActivityChat.SERVICE_TYPE)
# Find an existing activity chat to latch onto
service = self._pservice.get_activity_service(activity, ActivityChat.SERVICE_TYPE)
if service is not None:
self._service_appeared_cb(self._pservice, None, service)
def _service_appeared_cb(self, pservice, buddy, service):
if service.get_activity_id() == self._activity.get_id():
if service.get_type() == ActivityChat.SERVICE_TYPE:
logging.debug('Group chat service appeared, setup the stream.')
self._setup_stream(service)
if service.get_activity_id() != self._activity.get_id():
return
if service.get_type() != ActivityChat.SERVICE_TYPE:
return
if buddy and buddy.is_owner():
return
if self._chat_service:
return
logging.debug('Activity chat service appeared, setup the stream.')
# Ok, there's an existing chat service that we copy
# parameters and such from
addr = service.get_address()
port = service.get_port()
self._chat_service = self._pservice.share_activity(self._activity,
stype=ActivityChat.SERVICE_TYPE, properties=None,
address=addr, port=port)
self._setup_stream(self._chat_service)
def publish(self):
service = self._pservice.share_activity(self._activity,
stype = ActivityChat.SERVICE_TYPE, port = ActivityChat.SERVICE_PORT)
"""Only called when we publish the activity this chat is tied to."""
self._chat_service = self._pservice.share_activity(self._activity,
stype=ActivityChat.SERVICE_TYPE)