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._delayedClose = gobject_utils.Timeout(self._on_close_requested)
  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                 self.__calledNumer = None
  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                 if self.__calledNumer is not None:
 100                         self._conn.session.backend.cancel(self.__calledNumer)
 101                 self._delayedClose.cancel()
 102
 103         @misc_utils.log_exception(_moduleLogger)
 104         def GetLocalPendingMembersWithInfo(self):
 105                 info = dbus.Array([], signature="(uuus)")
 106                 for member in self._local_pending:
 107                         info.append((member, self._handle, 0, ''))
 108                 return info
 109
 110         @misc_utils.log_exception(_moduleLogger)
 111         def AddMembers(self, handles, message):
 112                 _moduleLogger.info("Add members %r: %s" % (handles, message))
 113                 for handle in handles:
 114                         if handle == int(self.GetSelfHandle()) and self.GetSelfHandle() in self._local_pending:
 115                                 _moduleLogger.info("Technically the user just accepted the call")
 116
 117         @misc_utils.log_exception(_moduleLogger)
 118         def RemoveMembers(self, handles, message):
 119                 _moduleLogger.info("Remove members (no-op) %r: %s" % (handles, message))
 120
 121         @misc_utils.log_exception(_moduleLogger)
 122         def RemoveMembersWithReason(self, handles, message, reason):
 123                 _moduleLogger.info("Remove members (no-op) %r: %s (%i)" % (handles, message, reason))
 124
 125         @misc_utils.log_exception(_moduleLogger)
 126         def ListStreams(self):
 127                 """
 128                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 129                 """
 130                 return ()
 131
 132         @misc_utils.log_exception(_moduleLogger)
 133         def RemoveStreams(self, streams):
 134                 """
 135                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 136                 """
 137                 raise telepathy.errors.NotImplemented("Cannot remove a stream")
 138
 139         @misc_utils.log_exception(_moduleLogger)
 140         def RequestStreamDirection(self, stream, streamDirection):
 141                 """
 142                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 143
 144                 @note Since streams are short lived, not bothering to implement this
 145                 """
 146                 _moduleLogger.info("A request was made to change the stream direction")
 147                 raise telepathy.errors.NotImplemented("Cannot change directions")
 148
 149         @misc_utils.log_exception(_moduleLogger)
 150         def RequestStreams(self, contactId, streamTypes):
 151                 """
 152                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 153
 154                 @returns [(Stream ID, contact, stream type, stream state, stream direction, pending send flags)]
 155                 """
 156                 contact = self._conn.get_handle_by_id(telepathy.constants.HANDLE_TYPE_CONTACT, contactId)
 157                 assert self.__contactHandle == contact, "%r != %r" % (self.__contactHandle, contact)
 158                 contactNumber = contact.phoneNumber
 159
 160                 self.__calledNumer = contactNumber
 161                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_RINGING)
 162                 self._conn.session.backend.call(contactNumber)
 163                 self._delayedClose.start(seconds=5)
 164                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_FORWARDED)
 165
 166                 streamId = 0
 167                 streamState = telepathy.constants.MEDIA_STREAM_STATE_CONNECTED
 168                 streamDirection = telepathy.constants.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL
 169                 pendingSendFlags = telepathy.constants.MEDIA_STREAM_PENDING_REMOTE_SEND
 170                 return [(streamId, contact, streamTypes[0], streamState, streamDirection, pendingSendFlags)]
 171
 172         @misc_utils.log_exception(_moduleLogger)
 173         def GetCallStates(self):
 174                 """
 175                 For org.freedesktop.Telepathy.Channel.Interface.CallState
 176
 177                 Get the current call states for all contacts involved in this call.
 178                 @returns {Contact: telepathy.constants.CHANNEL_CALL_STATE_*}
 179                 """
 180                 return {self.__contactHandle: telepathy.constants.CHANNEL_CALL_STATE_FORWARDED}
 181
 182         @misc_utils.log_exception(_moduleLogger)
 183         def _on_close_requested(self, *args):
 184                 _moduleLogger.debug("Cancel now disallowed")
 185                 self.__calledNumer = None
 186                 self.close()