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

   1 import logging
   2
   3 import gobject
   4 import telepathy
   5
   6 import tp
   7 import gtk_toolbox
   8
   9
  10 _moduleLogger = logging.getLogger("channel.call")
  11
  12
  13 class CallChannel(
  14                 tp.ChannelTypeStreamedMedia,
  15                 tp.ChannelInterfaceCallState,
  16                 tp.ChannelInterfaceGroup,
  17         ):
  18         # @bug On Maemo 5 this is having some kind of "General" error, possibly due to an issue with "GetAll" DBusProperties stuff
  19
  20         def __init__(self, connection, manager, props, contactHandle):
  21                 self.__manager = manager
  22                 self.__props = props
  23                 self.__cancelId = None
  24
  25                 tp.ChannelTypeStreamedMedia.__init__(self, connection, manager, props)
  26                 tp.ChannelInterfaceCallState.__init__(self)
  27                 tp.ChannelInterfaceGroup.__init__(self)
  28                 self.__contactHandle = contactHandle
  29                 self._implement_property_get(
  30                         telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  31                         {
  32                                 "InitialAudio": self.initial_audio,
  33                                 "InitialVideo": self.initial_video,
  34                         },
  35                 )
  36
  37                 self.GroupFlagsChanged(0, 0)
  38                 self.MembersChanged(
  39                         '', [self._conn.GetSelfHandle()], [], [], [contactHandle],
  40                         0, telepathy.CHANNEL_GROUP_CHANGE_REASON_NONE
  41                 )
  42
  43         def initial_audio(self):
  44                 return False
  45
  46         def initial_video(self):
  47                 return False
  48
  49         @gtk_toolbox.log_exception(_moduleLogger)
  50         def Close(self):
  51                 self.close()
  52
  53         def close(self):
  54                 tp.ChannelTypeStreamedMedia.Close(self)
  55                 self.remove_from_connection()
  56                 if self.__cancelId is not None:
  57                         gobject.source_remove(self.__cancelId)
  58                         self.__cancelId = None
  59
  60         @gtk_toolbox.log_exception(_moduleLogger)
  61         def ListStreams(self):
  62                 """
  63                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  64                 """
  65                 return ()
  66
  67         @gtk_toolbox.log_exception(_moduleLogger)
  68         def RemoveStreams(self, streams):
  69                 """
  70                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  71                 """
  72                 raise telepathy.errors.NotImplemented("Cannot remove a stream")
  73
  74         @gtk_toolbox.log_exception(_moduleLogger)
  75         def RequestStreamDirection(self, stream, streamDirection):
  76                 """
  77                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  78
  79                 @note Since streams are short lived, not bothering to implement this
  80                 """
  81                 _moduleLogger.info("A request was made to change the stream direction")
  82                 raise telepathy.errors.NotImplemented("Cannot change directions")
  83
  84         @gtk_toolbox.log_exception(_moduleLogger)
  85         def RequestStreams(self, contactId, streamTypes):
  86                 """
  87                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
  88
  89                 @returns [(Stream ID, contact, stream type, stream state, stream direction, pending send flags)]
  90                 """
  91                 contact = self._conn.get_handle_by_id(telepathy.constants.HANDLE_TYPE_CONTACT, contactId)
  92                 assert self.__contactHandle == contact, "%r != %r" % (self.__contactHandle, contact)
  93                 contactNumber = contact.phoneNumber
  94
  95                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_RINGING)
  96                 self.__cancelId = gobject.idle_add(self._on_cancel)
  97                 self._conn.session.backend.call(contactNumber)
  98
  99                 streamId = 0
 100                 streamState = telepathy.constants.MEDIA_STREAM_STATE_DISCONNECTED
 101                 streamDirection = telepathy.constants.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL
 102                 pendingSendFlags = telepathy.constants.MEDIA_STREAM_PENDING_REMOTE_SEND
 103                 return [(streamId, contact, streamTypes[0], streamState, streamDirection, pendingSendFlags)]
 104
 105         @gtk_toolbox.log_exception(_moduleLogger)
 106         def GetCallStates(self):
 107                 """
 108                 For org.freedesktop.Telepathy.Channel.Interface.CallState
 109
 110                 Get the current call states for all contacts involved in this call.
 111                 @returns {Contact: telepathy.constants.CHANNEL_CALL_STATE_*}
 112                 """
 113                 return {self.__contactHandle: telepathy.constants.CHANNEL_CALL_STATE_FORWARDED}
 114
 115         @gtk_toolbox.log_exception(_moduleLogger)
 116         def _on_cancel(self, *args):
 117                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_FORWARDED)
 118                 self.close()
 119                 self.__cancelId = None
 120                 return False