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.__calledNumber = 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                 self._delayedClose.cancel()
 102
 103                 tp.ChannelTypeStreamedMedia.Close(self)
 104                 self.remove_from_connection()
 105
 106         @misc_utils.log_exception(_moduleLogger)
 107         def GetLocalPendingMembersWithInfo(self):
 108                 info = dbus.Array([], signature="(uuus)")
 109                 for member in self._local_pending:
 110                         info.append((member, self._handle, 0, ''))
 111                 return info
 112
 113         @misc_utils.log_exception(_moduleLogger)
 114         def AddMembers(self, handles, message):
 115                 _moduleLogger.info("Add members %r: %s" % (handles, message))
 116                 for handle in handles:
 117                         if handle == int(self.GetSelfHandle()) and self.GetSelfHandle() in self._local_pending:
 118                                 _moduleLogger.info("Technically the user just accepted the call")
 119
 120         @misc_utils.log_exception(_moduleLogger)
 121         def RemoveMembers(self, handles, message):
 122                 _moduleLogger.info("Remove members (no-op) %r: %s" % (handles, message))
 123
 124         @misc_utils.log_exception(_moduleLogger)
 125         def RemoveMembersWithReason(self, handles, message, reason):
 126                 _moduleLogger.info("Remove members (no-op) %r: %s (%i)" % (handles, message, reason))
 127
 128         @misc_utils.log_exception(_moduleLogger)
 129         def ListStreams(self):
 130                 """
 131                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 132                 """
 133                 return ()
 134
 135         @misc_utils.log_exception(_moduleLogger)
 136         def RemoveStreams(self, streams):
 137                 """
 138                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 139                 """
 140                 raise telepathy.errors.NotImplemented("Cannot remove a stream")
 141
 142         @misc_utils.log_exception(_moduleLogger)
 143         def RequestStreamDirection(self, stream, streamDirection):
 144                 """
 145                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 146
 147                 @note Since streams are short lived, not bothering to implement this
 148                 """
 149                 _moduleLogger.info("A request was made to change the stream direction")
 150                 raise telepathy.errors.NotImplemented("Cannot change directions")
 151
 152         @misc_utils.log_exception(_moduleLogger)
 153         def RequestStreams(self, contactId, streamTypes):
 154                 """
 155                 For org.freedesktop.Telepathy.Channel.Type.StreamedMedia
 156
 157                 @returns [(Stream ID, contact, stream type, stream state, stream direction, pending send flags)]
 158                 """
 159                 contact = self._conn.get_handle_by_id(telepathy.constants.HANDLE_TYPE_CONTACT, contactId)
 160                 assert self.__contactHandle == contact, "%r != %r" % (self.__contactHandle, contact)
 161
 162                 le = gobject_utils.AsyncLinearExecution(self._conn.session.pool, self._call)
 163                 le.start(contact)
 164
 165                 streamId = 0
 166                 streamState = telepathy.constants.MEDIA_STREAM_STATE_CONNECTED
 167                 streamDirection = telepathy.constants.MEDIA_STREAM_DIRECTION_BIDIRECTIONAL
 168                 pendingSendFlags = telepathy.constants.MEDIA_STREAM_PENDING_REMOTE_SEND
 169                 return [(streamId, contact, streamTypes[0], streamState, streamDirection, pendingSendFlags)]
 170
 171         @misc_utils.log_exception(_moduleLogger)
 172         def _call(self, contact):
 173                 contactNumber = contact.phoneNumber
 174
 175                 self.__calledNumber = contactNumber
 176                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_RINGING)
 177
 178                 self._delayedClose.start(seconds=0)
 179                 self.CallStateChanged(self.__contactHandle, telepathy.constants.CHANNEL_CALL_STATE_FORWARDED)
 180
 181                 try:
 182                         result = yield (
 183                                 self._conn.session.backend.call,
 184                                 (contactNumber, ),
 185                                 {},
 186                         )
 187                 except Exception, e:
 188                         _moduleLogger.exception("While placing call to %s" % (self.__calledNumber, ))
 189                         self._conn.force_log_display()
 190                         accountNumber = misc_utils.normalize_number(self._conn.session.backend.get_account_number())
 191                         self._conn.log_to_user(
 192                                 __name__,
 193                                 "Error while placing call from %s to %s:\n%s" % (
 194                                         accountNumber, self.__calledNumber, str(e)
 195                                 )
 196                         )
 197                         return
 198
 199         @misc_utils.log_exception(_moduleLogger)
 200         def GetCallStates(self):
 201                 """
 202                 For org.freedesktop.Telepathy.Channel.Interface.CallState
 203
 204                 Get the current call states for all contacts involved in this call.
 205                 @returns {Contact: telepathy.constants.CHANNEL_CALL_STATE_*}
 206                 """
 207                 return {self.__contactHandle: telepathy.constants.CHANNEL_CALL_STATE_FORWARDED}
 208
 209         @misc_utils.log_exception(_moduleLogger)
 210         def GetHoldState(self):
 211                 """
 212                 For org.freedesktop.Telepathy.Channel.Interface.Hold
 213
 214                 Get the current hold state
 215                 @returns (HoldState, Reason)
 216                 """
 217                 return (
 218                         telepathy.constants.LOCAL_HOLD_STATE_UNHELD,
 219                         telepathy.constants.LOCAL_HOLD_STATE_REASON_NONE,
 220                 )
 221
 222         @misc_utils.log_exception(_moduleLogger)
 223         def RequestHold(self, Hold):
 224                 """
 225                 For org.freedesktop.Telepathy.Channel.Interface.Hold
 226                 """
 227                 if not Hold:
 228                         return
 229                 _moduleLogger.debug("Closing without cancel to get out of users way")
 230                 self.close()
 231
 232         @misc_utils.log_exception(_moduleLogger)
 233         def _on_close_requested(self, *args):
 234                 _moduleLogger.debug("Cancel now disallowed")
 235                 self.close()