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68 lines
2.6 KiB
Python
68 lines
2.6 KiB
Python
# Copyright (C) 2006, Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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import logging
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from sugar.chat.GroupChat import GroupChat
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class ActivityChat(GroupChat):
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SERVICE_TYPE = "_olpc_activity_chat._udp"
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def __init__(self, activity):
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GroupChat.__init__(self)
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self._chat_service = None
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self.connect('destroy', self._destroy_cb)
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self._activity = activity
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self._pservice.register_service_type(ActivityChat.SERVICE_TYPE)
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self._pservice.connect('service-appeared', self._service_appeared_cb)
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# Find an existing activity chat to latch onto
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ps_activity = self._pservice.get_activity(activity.get_id())
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if ps_activity is not None:
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services = ps_activity.get_services_of_type(ActivityChat.SERVICE_TYPE)
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if len(services) > 0:
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self._service_appeared_cb(self._pservice, services[0])
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def _service_appeared_cb(self, pservice, service):
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if service.get_activity_id() != self._activity.get_id():
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return
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if service.get_type() != ActivityChat.SERVICE_TYPE:
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return
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if self._chat_service:
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return
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logging.debug('Activity chat service appeared, setup the stream.')
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# Ok, there's an existing chat service that we copy
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# parameters and such from
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addr = service.get_address()
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port = service.get_port()
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self._chat_service = self._pservice.share_activity(self._activity,
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stype=ActivityChat.SERVICE_TYPE, address=addr, port=port)
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self._setup_stream(self._chat_service)
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def share(self):
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"""Only called when we share the activity this chat is tied to."""
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self._chat_service = self._pservice.share_activity(self._activity,
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stype=ActivityChat.SERVICE_TYPE)
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self._setup_stream(self._chat_service)
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def _destroy_cb(self, widget):
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if self._chat_service:
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self._pservice.unregister_service(self._chat_service)
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