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.ChannelInterfaceGroup,
  17                 tp.ChannelInterfaceCallState,
  18                 tp.ChannelInterfaceHold,
  19         ):
  20
  21         def __init__(self, connection, manager, props, contactHandle):
  22                 self.__manager = manager
  23                 self.__props = props
  24                 self._delayedClose = gobject_utils.Timeout(self._on_close_requested)
  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.ChannelInterfaceGroup.__init__(self)
  47                 tp.ChannelInterfaceCallState.__init__(self)
  48                 tp.ChannelInterfaceHold.__init__(self)
  49                 self.__contactHandle = contactHandle
  50                 self.__calledNumer = None
  51
  52                 self._implement_property_get(
  53                         telepathy.interfaces.CHANNEL_INTERFACE,
  54                         {
  55                                 'InitiatorHandle': lambda: dbus.UInt32(self._initiator.id),
  56                                 'InitiatorID': lambda: self._initiator.name,
  57                         },
  58                 )
  59                 self._add_immutables({
  60                         'InitiatorHandle': telepathy.interfaces.CHANNEL_INTERFACE,
  61                         'InitiatorID': telepathy.interfaces.CHANNEL_INTERFACE,
  62                 })
  63                 self._implement_property_get(
  64                         telepathy.interfaces.CHANNEL_INTERFACE_GROUP,
  65                         {
  66                                 'LocalPendingMembers': lambda: self.GetLocalPendingMembersWithInfo()
  67                         },
  68                 )
  69                 self._implement_property_get(
  70                         telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  71                         {
  72                                 "InitialAudio": self.initial_audio,
  73                                 "InitialVideo": self.initial_video,
  74                         },
  75                 )
  76                 self._add_immutables({
  77                         'InitialAudio': telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  78                         'InitialVideo': telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA,
  79                 })
  80
  81                 self.GroupFlagsChanged(0, 0)
  82                 self.MembersChanged(
  83                         '', [self._conn.GetSelfHandle()], [], [], [contactHandle],
  84                         0, telepathy.CHANNEL_GROUP_CHANGE_REASON_NONE
  85                 )
  86
  87         def initial_audio(self):
  88                 return False
  89
  90         def initial_video(self):
  91                 return False
  92
  93         @misc_utils.log_exception(_moduleLogger)
  94         def Close(self):
  95                 self.close()
  96
  97         def close(self):
  98                 _moduleLogger.debug("Closing call")
  99                 tp.ChannelTypeStreamedMedia.Close(self)
 100                 self.remove_from_connection()
 101                 if self.__calledNumer is not None:
 102                         self._conn.session.backend.cancel(self.__calledNumer)
 103                 self._delayedClose.cancel()
 104
 105         @misc_utils.log_exception(_moduleLogger)
 106         def GetLocalPendingMembersWithInfo(self):
 107                 info = dbus.Array([], signature="(uuus)")
 108                 for member in self._local_pending:
 109                         info.append((member, self._handle, 0, ''))
 110                 return info
 111
 112         @misc_utils.log_exception(_moduleLogger)
 113         def AddMembers(self, handles, message):
 114                 _moduleLogger.info("Add members %r: %s" % (handles, message))
 115                 for handle in handles:
 116                         if handle == int(self.GetSelfHandle()) and self.GetSelfHandle() in self._local_pending:
 117                                 _moduleLogger.info("Technically the user just accepted the call")
 118
 119         @misc_utils.log_exception(_moduleLogger)
 120         def RemoveMembers(self, handles, message):
 121                 _moduleLogger.info("Remove members (no-op) %r: %s" % (handles, message))
 122
 123         @misc_utils.log_exception(_moduleLogger)
 124         def RemoveMembersWithReason(self, handles, message, reason):
 125                 _moduleLogger.info("Remove members (no-op) %r: %s (%i)" % (handles, message, reason))
 126
 127         @misc_utils.log_exception(_moduleLogger)
 128         def ListStreams(self):
 129                 """
 130                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 131                 """
 132                 return ()
 133
 134         @misc_utils.log_exception(_moduleLogger)
 135         def RemoveStreams(self, streams):
 136                 """
 137                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 138                 """
 139                 raise telepathy.errors.NotImplemented("Cannot remove a stream")
 140
 141         @misc_utils.log_exception(_moduleLogger)
 142         def RequestStreamDirection(self, stream, streamDirection):
 143                 """
 144                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 145
 146                 @note Since streams are short lived, not bothering to implement this
 147                 """
 148                 _moduleLogger.info("A request was made to change the stream direction")
 149                 raise telepathy.errors.NotImplemented("Cannot change directions")
 150
 151         @misc_utils.log_exception(_moduleLogger)
 152         def RequestStreams(self, contactId, streamTypes):
 153                 """
 154                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 155
 156                 @returns [(Stream ID, contact, stream type, stream state, stream direction, pending send flags)]
 157                 """
 158                 contact = self._conn.get_handle_by_id(telepathy.constants.HANDLE_TYPE_CONTACT, contactId)
 159                 assert self.__contactHandle == contact, "%r != %r" % (self.__contactHandle, contact)
 160                 contactNumber = contact.phoneNumber
 161
 162                 self.__calledNumer = contactNumber
 163                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_RINGING)
 164                 self._conn.session.backend.call(contactNumber)
 165                 self._delayedClose.start(seconds=2)
 166                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_FORWARDED)
 167
 168                 streamId = 0
 169                 streamState = telepathy.constants.MEDIA_STREAM_STATE_CONNECTED
 170                 streamDirection = telepathy.constants.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL
 171                 pendingSendFlags = telepathy.constants.MEDIA_STREAM_PENDING_REMOTE_SEND
 172                 return [(streamId, contact, streamTypes[0], streamState, streamDirection, pendingSendFlags)]
 173
 174         @misc_utils.log_exception(_moduleLogger)
 175         def GetCallStates(self):
 176                 """
 177                 For org.freedesktop.Telepathy.Channel.Interface.CallState
 178
 179                 Get the current call states for all contacts involved in this call.
 180                 @returns {Contact: telepathy.constants.CHANNEL_CALL_STATE_*}
 181                 """
 182                 return {self.__contactHandle: telepathy.constants.CHANNEL_CALL_STATE_FORWARDED}
 183
 184         @misc_utils.log_exception(_moduleLogger)
 185         def GetHoldState(self):
 186                 """
 187                 For org.freedesktop.Telepathy.Channel.Interface.Hold
 188
 189                 Get the current hold state
 190                 @returns (HoldState, Reason)
 191                 """
 192                 return (
 193                         telepathy.constants.LOCAL_HOLD_STATE_UNHELD,
 194                         telepathy.constants.LOCAL_HOLD_STATE_REASON_NONE,
 195                 )
 196
 197         @misc_utils.log_exception(_moduleLogger)
 198         def RequestHold(self, Hold):
 199                 """
 200                 For org.freedesktop.Telepathy.Channel.Interface.Hold
 201                 """
 202                 if not Hold:
 203                         return
 204                 _moduleLogger.debug("Closing without cancel to get out of users way")
 205                 self.__calledNumer = None
 206                 self.close()
 207
 208         @misc_utils.log_exception(_moduleLogger)
 209         def _on_close_requested(self, *args):
 210                 _moduleLogger.debug("Cancel now disallowed")
 211                 self.__calledNumer = None
 212                 self.close()