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

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