- self._requestable_channel_classes = dict()
- self._channels = dict()
- self._fixed_properties = dict()
- self._available_properties = dict()
-
- def close(self):
- for channel_type in self._requestable_channel_classes:
- for chan in self._channels[channel_type].values():
- try:
- _moduleLogger.info("Closing %s %s" % (channel_type, chan._object_path))
- chan.Close()
- except Exception:
- _moduleLogger.exception("Shutting down %r" % (chan, ))
-
- def remove_channel(self, chan):
- for channel_type in self._requestable_channel_classes:
- for handle, ichan in self._channels[channel_type].items():
- if chan == ichan:
- del self._channels[channel_type][handle]
-
- def _get_type_requested_handle(self, props):
- type = props[telepathy.interfaces.CHANNEL_INTERFACE + '.ChannelType']
- requested = props[telepathy.interfaces.CHANNEL_INTERFACE + '.Requested']
- target_handle = props[telepathy.interfaces.CHANNEL_INTERFACE + '.TargetHandle']
- target_handle_type = props[telepathy.interfaces.CHANNEL_INTERFACE + '.TargetHandleType']
-
- handle = self._conn._handles[target_handle_type, target_handle]
-
- return (type, requested, handle)
-
- def channel_exists(self, props):
- type, _, handle = self._get_type_requested_handle(props)
-
- if type in self._channels:
- if handle in self._channels[type]:
- return True
-
- return False
-
- def channel_for_props(self, props, signal=True, **args):
- type, suppress_handler, handle = self._get_type_requested_handle(props)
-
- if type not in self._requestable_channel_classes:
- raise NotImplemented('Unknown channel type "%s"' % type)
-
- if self.channel_exists(props):
- return self._channels[type][handle]
-
- chan = self._requestable_channel_classes[type](props, **args)
-
- if hasattr(self._conn, "add_channels"):
- # HACK Newer python-telepathy
- self._conn.add_channels([chan], signal=signal)
- elif hasattr(self._conn, "add_channel"):
- # HACK Older python-telepathy
- self._conn.add_channel(chan, handle, suppress_handler)
- else:
- raise RuntimeError("Uhh, what just happened with the connection")
- self._channels[type][handle] = chan
-
- return chan
-
- def _implement_channel_class(self, type, make_channel, fixed, available):
- self._requestable_channel_classes[type] = make_channel
- self._channels.setdefault(type, {})
-
- self._fixed_properties[type] = fixed
- self._available_properties[type] = available
-
- def get_requestable_channel_classes(self):
- retval = []
-
- for channel_type in self._requestable_channel_classes:
- retval.append((self._fixed_properties[channel_type],
- self._available_properties[channel_type]))
-
- return retval
-
-
-class ChannelManager(TelepathyChannelManager):
-
- def __init__(self, connection):
- TelepathyChannelManager.__init__(self, connection)