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

   1 import logging
   2
   3 import dbus
   4 import gobject
   5 import telepathy
   6
   7 import tp
   8 import util.go_utils as gobject_utils
   9 import util.misc as misc_utils
  10
  11
  12 _moduleLogger = logging.getLogger("channel.call")
  13
  14
  15 class CallChannel(
  16                 tp.ChannelTypeStreamedMedia,
  17                 tp.ChannelInterfaceCallState,
  18                 tp.ChannelInterfaceGroup,
  19         ):
  20
  21         def __init__(self, connection, manager, props, contactHandle):
  22                 self.__manager = manager
  23                 self.__props = props
  24                 self._delayedCancel = gobject_utils.Async(self._on_cancel)
  25
  26                 if telepathy.interfaces.CHANNEL_INTERFACE + '.InitiatorHandle' in props:
  27                         self._initiator = connection.get_handle_by_id(
  28                                 telepathy.HANDLE_TYPE_CONTACT,
  29                                 props[telepathy.interfaces.CHANNEL_INTERFACE + '.InitiatorHandle'],
  30                         )
  31                 elif telepathy.interfaces.CHANNEL_INTERFACE + '.InitiatorID' in props:
  32                         self._initiator = connection.get_handle_by_name(
  33                                 telepathy.HANDLE_TYPE_CONTACT,
  34                                 props[telepathy.interfaces.CHANNEL_INTERFACE + '.InitiatorHandle'],
  35                         )
  36                 else:
  37                         # Maemo 5 seems to require InitiatorHandle/InitiatorID to be set
  38                         # even though I can't find them in the dbus spec.  I think its
  39                         # generally safe to assume that its locally initiated if not
  40                         # specified.  Specially for The One Ring, its always locally
  41                         # initiated
  42                         _moduleLogger.warning('InitiatorID or InitiatorHandle not set on new channel, assuming locally initiated')
  43                         self._initiator = connection.GetSelfHandle()
  44
  45                 tp.ChannelTypeStreamedMedia.__init__(self, connection, manager, props)
  46                 tp.ChannelInterfaceCallState.__init__(self)
  47                 tp.ChannelInterfaceGroup.__init__(self)
  48                 self.__contactHandle = contactHandle
  49
  50                 self._implement_property_get(
  51                         telepathy.interfaces.CHANNEL_INTERFACE,
  52                         {
  53                                 'InitiatorHandle': lambda: dbus.UInt32(self._initiator.id),
  54                                 'InitiatorID': lambda: self._initiator.name,
  55                         },
  56                 )
  57                 self._add_immutables({
  58                         'InitiatorHandle': telepathy.interfaces.CHANNEL_INTERFACE,
  59                         'InitiatorID': telepathy.interfaces.CHANNEL_INTERFACE,
  60                 })
  61                 self._implement_property_get(
  62                         telepathy.interfaces.CHANNEL_INTERFACE_GROUP,
  63                         {
  64                                 'LocalPendingMembers': lambda: self.GetLocalPendingMembersWithInfo()
  65                         },
  66                 )
  67                 self._implement_property_get(
  68                         telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  69                         {
  70                                 "InitialAudio": self.initial_audio,
  71                                 "InitialVideo": self.initial_video,
  72                         },
  73                 )
  74                 self._add_immutables({
  75                         'InitialAudio': telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  76                         'InitialVideo': telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  77                 })
  78
  79                 self.GroupFlagsChanged(0, 0)
  80                 self.MembersChanged(
  81                         '', [self._conn.GetSelfHandle()], [], [], [contactHandle],
  82                         0, telepathy.CHANNEL_GROUP_CHANGE_REASON_NONE
  83                 )
  84
  85         def initial_audio(self):
  86                 return False
  87
  88         def initial_video(self):
  89                 return False
  90
  91         @misc_utils.log_exception(_moduleLogger)
  92         def Close(self):
  93                 self.close()
  94
  95         def close(self):
  96                 _moduleLogger.debug("Closing call")
  97                 tp.ChannelTypeStreamedMedia.Close(self)
  98                 self.remove_from_connection()
  99                 self._delayedCancel.cancel()
 100
 101         @misc_utils.log_exception(_moduleLogger)
 102         def GetLocalPendingMembersWithInfo(self):
 103                 info = dbus.Array([], signature="(uuus)")
 104                 for member in self._local_pending:
 105                         info.append((member, self._handle, 0, ''))
 106                 return info
 107
 108         @misc_utils.log_exception(_moduleLogger)
 109         def AddMembers(self, handles, message):
 110                 _moduleLogger.info("Add members %r: %s" % (handles, message))
 111                 for handle in handles:
 112                         if handle == int(self.GetSelfHandle()) and self.GetSelfHandle() in self._local_pending:
 113                                 _moduleLogger.info("Technically the user just accepted the call")
 114
 115         @misc_utils.log_exception(_moduleLogger)
 116         def RemoveMembers(self, handles, message):
 117                 _moduleLogger.info("Remove members (no-op) %r: %s" % (handles, message))
 118
 119         @misc_utils.log_exception(_moduleLogger)
 120         def RemoveMembersWithReason(self, handles, message, reason):
 121                 _moduleLogger.info("Remove members (no-op) %r: %s (%i)" % (handles, message, reason))
 122
 123         @misc_utils.log_exception(_moduleLogger)
 124         def ListStreams(self):
 125                 """
 126                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 127                 """
 128                 return ()
 129
 130         @misc_utils.log_exception(_moduleLogger)
 131         def RemoveStreams(self, streams):
 132                 """
 133                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 134                 """
 135                 raise telepathy.errors.NotImplemented("Cannot remove a stream")
 136
 137         @misc_utils.log_exception(_moduleLogger)
 138         def RequestStreamDirection(self, stream, streamDirection):
 139                 """
 140                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 141
 142                 @note Since streams are short lived, not bothering to implement this
 143                 """
 144                 _moduleLogger.info("A request was made to change the stream direction")
 145                 raise telepathy.errors.NotImplemented("Cannot change directions")
 146
 147         @misc_utils.log_exception(_moduleLogger)
 148         def RequestStreams(self, contactId, streamTypes):
 149                 """
 150                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 151
 152                 @returns [(Stream ID, contact, stream type, stream state, stream direction, pending send flags)]
 153                 """
 154                 contact = self._conn.get_handle_by_id(telepathy.constants.HANDLE_TYPE_CONTACT, contactId)
 155                 assert self.__contactHandle == contact, "%r != %r" % (self.__contactHandle, contact)
 156                 contactNumber = contact.phoneNumber
 157
 158                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_RINGING)
 159                 self._delayedCancel.start()
 160                 self._conn.session.backend.call(contactNumber)
 161
 162                 streamId = 0
 163                 streamState = telepathy.constants.MEDIA_STREAM_STATE_CONNECTED
 164                 streamDirection = telepathy.constants.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL
 165                 pendingSendFlags = telepathy.constants.MEDIA_STREAM_PENDING_REMOTE_SEND
 166                 return [(streamId, contact, streamTypes[0], streamState, streamDirection, pendingSendFlags)]
 167
 168         @misc_utils.log_exception(_moduleLogger)
 169         def GetCallStates(self):
 170                 """
 171                 For org.freedesktop.Telepathy.Channel.Interface.CallState
 172
 173                 Get the current call states for all contacts involved in this call.
 174                 @returns {Contact: telepathy.constants.CHANNEL_CALL_STATE_*}
 175                 """
 176                 return {self.__contactHandle: telepathy.constants.CHANNEL_CALL_STATE_FORWARDED}
 177
 178         @misc_utils.log_exception(_moduleLogger)
 179         def _on_cancel(self, *args):
 180                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_FORWARDED)
 181                 self.close()