git.maemo.org Git - theonering/blob - src/channel/call.py

   1 import logging
   2
   3 import telepathy
   4
   5 import gtk_toolbox
   6 import handle
   7
   8
   9 _moduleLogger = logging.getLogger("channel.call")
  10
  11
  12 class CallChannel(
  13                 telepathy.server.ChannelTypeStreamedMedia,
  14                 telepathy.server.ChannelInterfaceCallState,
  15                 telepathy.server.ChannelInterfaceGroup,
  16         ):
  17
  18         def __init__(self, connection, manager, props, contactHandle):
  19                 self._manager = manager
  20                 self._props = props
  21
  22                 telepathy.server.ChannelTypeStreamedMedia.__init__(self, connection, None)
  23                 telepathy.server.ChannelInterfaceCallState.__init__(self)
  24                 telepathy.server.ChannelInterfaceGroup.__init__(self)
  25                 self._contactHandle = contactHandle
  26                 self._implement_property_get(
  27                         telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  28                         {
  29                                 "InitialAudio": self.initial_audio,
  30                                 "InitialVideo": self.initial_video,
  31                         },
  32                 )
  33
  34         def initial_audio(self):
  35                 return False
  36
  37         def initial_video(self):
  38                 return False
  39
  40         @gtk_toolbox.log_exception(_moduleLogger)
  41         def Close(self):
  42                 self.close()
  43
  44         def close(self):
  45                 telepathy.server.ChannelTypeStreamedMedia.Close(self)
  46                 if self._manager.channel_exists(self._props):
  47                         # Older python-telepathy requires doing this manually
  48                         self._manager.remove_channel(self)
  49                 self.remove_from_connection()
  50
  51         @gtk_toolbox.log_exception(_moduleLogger)
  52         def ListStreams(self):
  53                 """
  54                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  55                 """
  56                 return ()
  57
  58         @gtk_toolbox.log_exception(_moduleLogger)
  59         def RemoveStreams(self, streams):
  60                 """
  61                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  62                 """
  63                 raise telepathy.errors.NotImplemented("Cannot remove a stream")
  64
  65         @gtk_toolbox.log_exception(_moduleLogger)
  66         def RequestStreamDirection(self, stream, streamDirection):
  67                 """
  68                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  69
  70                 @note Since streams are short lived, not bothering to implement this
  71                 """
  72                 _moduleLogger.info("A request was made to change the stream direction")
  73                 raise telepathy.errors.NotImplemented("Cannot change directions")
  74
  75         @gtk_toolbox.log_exception(_moduleLogger)
  76         def RequestStreams(self, contactId, streamTypes):
  77                 """
  78                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  79
  80                 @returns [(Stream ID, contact, stream type, stream state, stream direction, pending send flags)]
  81                 """
  82                 contact = self._conn.handle(telepathy.constants.HANDLE_TYPE_CONTACT, contactId)
  83                 assert self._contactHandle == contact, "%r != %r" % (self._contactHandle, contact)
  84                 contactId, contactNumber = handle.ContactHandle.from_handle_name(contact.name)
  85
  86                 self.CallStateChanged(self._contactHandle, telepathy.constants.CHANNEL_CALL_STATE_RINGING)
  87                 self._conn.session.backend.call(contactNumber)
  88                 self.CallStateChanged(self._contactHandle, telepathy.constants.CHANNEL_CALL_STATE_FORWARDED)
  89
  90                 streamId = 0
  91                 streamState = telepathy.constants.MEDIA_STREAM_STATE_DISCONNECTED
  92                 streamDirection = telepathy.constants.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL
  93                 pendingSendFlags = telepathy.constants.MEDIA_STREAM_PENDING_REMOTE_SEND
  94                 return [(streamId, contact, streamTypes[0], streamState, streamDirection, pendingSendFlags)]
  95
  96         @gtk_toolbox.log_exception(_moduleLogger)
  97         def GetCallStates(self):
  98                 """
  99                 For org.freedesktop.Telepathy.Channel.Interface.CallState
 100
 101                 Get the current call states for all contacts involved in this call.
 102                 @returns {Contact: telepathy.constants.CHANNEL_CALL_STATE_*}
 103                 """
 104                 return {self._contactHandle: telepathy.constants.CHANNEL_CALL_STATE_FORWARDED}