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                 added, removed = [self._conn.GetSelfHandle()], []
  83                 localPending, remotePending = [], [contactHandle]
  84                 self.MembersChanged(
  85                         '', added, removed, localPending, remotePending,
  86                         0, telepathy.CHANNEL_GROUP_CHANGE_REASON_NONE
  87                 )
  88
  89         def initial_audio(self):
  90                 return False
  91
  92         def initial_video(self):
  93                 return False
  94
  95         @misc_utils.log_exception(_moduleLogger)
  96         def Close(self):
  97                 self.close()
  98
  99         def close(self):
 100                 _moduleLogger.debug("Closing call")
 101                 tp.ChannelTypeStreamedMedia.Close(self)
 102                 self.remove_from_connection()
 103                 if self.__calledNumer is not None:
 104                         self._conn.session.backend.cancel(self.__calledNumer)
 105                 self._delayedClose.cancel()
 106
 107         @misc_utils.log_exception(_moduleLogger)
 108         def GetLocalPendingMembersWithInfo(self):
 109                 info = dbus.Array([], signature="(uuus)")
 110                 for member in self._local_pending:
 111                         info.append((member, self._handle, 0, ''))
 112                 return info
 113
 114         @misc_utils.log_exception(_moduleLogger)
 115         def AddMembers(self, handles, message):
 116                 _moduleLogger.info("Add members %r: %s" % (handles, message))
 117                 for handle in handles:
 118                         if handle == int(self.GetSelfHandle()) and self.GetSelfHandle() in self._local_pending:
 119                                 _moduleLogger.info("Technically the user just accepted the call")
 120
 121         @misc_utils.log_exception(_moduleLogger)
 122         def RemoveMembers(self, handles, message):
 123                 _moduleLogger.info("Remove members (no-op) %r: %s" % (handles, message))
 124
 125         @misc_utils.log_exception(_moduleLogger)
 126         def RemoveMembersWithReason(self, handles, message, reason):
 127                 _moduleLogger.info("Remove members (no-op) %r: %s (%i)" % (handles, message, reason))
 128
 129         @misc_utils.log_exception(_moduleLogger)
 130         def ListStreams(self):
 131                 """
 132                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 133                 """
 134                 return ()
 135
 136         @misc_utils.log_exception(_moduleLogger)
 137         def RemoveStreams(self, streams):
 138                 """
 139                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 140                 """
 141                 raise telepathy.errors.NotImplemented("Cannot remove a stream")
 142
 143         @misc_utils.log_exception(_moduleLogger)
 144         def RequestStreamDirection(self, stream, streamDirection):
 145                 """
 146                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 147
 148                 @note Since streams are short lived, not bothering to implement this
 149                 """
 150                 _moduleLogger.info("A request was made to change the stream direction")
 151                 raise telepathy.errors.NotImplemented("Cannot change directions")
 152
 153         @misc_utils.log_exception(_moduleLogger)
 154         def RequestStreams(self, contactId, streamTypes):
 155                 """
 156                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 157
 158                 @returns [(Stream ID, contact, stream type, stream state, stream direction, pending send flags)]
 159                 """
 160                 contact = self._conn.get_handle_by_id(telepathy.constants.HANDLE_TYPE_CONTACT, contactId)
 161                 assert self.__contactHandle == contact, "%r != %r" % (self.__contactHandle, contact)
 162                 contactNumber = contact.phoneNumber
 163
 164                 self.__calledNumer = contactNumber
 165                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_RINGING)
 166                 self._conn.session.backend.call(contactNumber)
 167                 self._delayedClose.start(seconds=0)
 168                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_FORWARDED)
 169
 170                 streamId = 0
 171                 streamState = telepathy.constants.MEDIA_STREAM_STATE_CONNECTED
 172                 streamDirection = telepathy.constants.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL
 173                 pendingSendFlags = telepathy.constants.MEDIA_STREAM_PENDING_REMOTE_SEND
 174                 return [(streamId, contact, streamTypes[0], streamState, streamDirection, pendingSendFlags)]
 175
 176         @misc_utils.log_exception(_moduleLogger)
 177         def GetCallStates(self):
 178                 """
 179                 For org.freedesktop.Telepathy.Channel.Interface.CallState
 180
 181                 Get the current call states for all contacts involved in this call.
 182                 @returns {Contact: telepathy.constants.CHANNEL_CALL_STATE_*}
 183                 """
 184                 return {self.__contactHandle: telepathy.constants.CHANNEL_CALL_STATE_FORWARDED}
 185
 186         @misc_utils.log_exception(_moduleLogger)
 187         def GetHoldState(self):
 188                 """
 189                 For org.freedesktop.Telepathy.Channel.Interface.Hold
 190
 191                 Get the current hold state
 192                 @returns (HoldState, Reason)
 193                 """
 194                 return (
 195                         telepathy.constants.LOCAL_HOLD_STATE_UNHELD,
 196                         telepathy.constants.LOCAL_HOLD_STATE_REASON_NONE,
 197                 )
 198
 199         @misc_utils.log_exception(_moduleLogger)
 200         def RequestHold(self, Hold):
 201                 """
 202                 For org.freedesktop.Telepathy.Channel.Interface.Hold
 203                 """
 204                 if not Hold:
 205                         return
 206                 _moduleLogger.debug("Closing without cancel to get out of users way")
 207                 self.__calledNumer = None
 208                 self.close()
 209
 210         @misc_utils.log_exception(_moduleLogger)
 211         def _on_close_requested(self, *args):
 212                 _moduleLogger.debug("Cancel now disallowed")
 213                 self.__calledNumer = None
 214                 self.close()