Reducing the time allowed for disconnecting
[theonering] / src / autogv.py
1 import logging
2
3 import dbus
4 import telepathy
5
6 try:
7         import conic as _conic
8         conic = _conic
9 except (ImportError, OSError):
10         conic = None
11
12 try:
13         import osso as _osso
14         osso = _osso
15 except (ImportError, OSError):
16         osso = None
17
18 import constants
19 import util.coroutines as coroutines
20 import util.go_utils as gobject_utils
21 import util.tp_utils as telepathy_utils
22 import util.misc as misc_utils
23 import gvoice
24
25
26 _moduleLogger = logging.getLogger(__name__)
27
28
29 class NewGVConversations(object):
30
31         def __init__(self, connRef):
32                 self._connRef = connRef
33                 self.__callback = None
34
35         def start(self):
36                 self.__callback = coroutines.func_sink(
37                         coroutines.expand_positional(
38                                 self._on_conversations_updated
39                         )
40                 )
41                 self._connRef().session.voicemails.updateSignalHandler.register_sink(
42                         self.__callback
43                 )
44                 self._connRef().session.texts.updateSignalHandler.register_sink(
45                         self.__callback
46                 )
47
48         def stop(self):
49                 if self.__callback is None:
50                         _moduleLogger.info("New conversation monitor stopped without starting")
51                         return
52                 self._connRef().session.voicemails.updateSignalHandler.unregister_sink(
53                         self.__callback
54                 )
55                 self._connRef().session.texts.updateSignalHandler.unregister_sink(
56                         self.__callback
57                 )
58                 self.__callback = None
59
60         @misc_utils.log_exception(_moduleLogger)
61         def _on_conversations_updated(self, conv, conversationIds):
62                 _moduleLogger.debug("Incoming messages from: %r" % (conversationIds, ))
63                 for phoneNumber in conversationIds:
64                         h = self._connRef().get_handle_by_name(telepathy.HANDLE_TYPE_CONTACT, phoneNumber)
65                         # Just let the TextChannel decide whether it should be reported to the user or not
66                         props = self._connRef().generate_props(telepathy.CHANNEL_TYPE_TEXT, h, False)
67                         if self._connRef()._channel_manager.channel_exists(props):
68                                 continue
69
70                         # Maemo 4.1's RTComm opens a window for a chat regardless if a
71                         # message is received or not, so we need to do some filtering here
72                         mergedConv = conv.get_conversation(phoneNumber)
73                         newConversations = mergedConv.conversations
74                         newConversations = gvoice.conversations.filter_out_read(newConversations)
75                         newConversations = gvoice.conversations.filter_out_self(newConversations)
76                         newConversations = list(newConversations)
77                         if not newConversations:
78                                 continue
79
80                         chan = self._connRef()._channel_manager.channel_for_props(props, signal=True)
81
82
83 class RefreshVoicemail(object):
84
85         def __init__(self, connRef):
86                 self._connRef = connRef
87                 self._newChannelSignaller = telepathy_utils.NewChannelSignaller(self._on_new_channel)
88                 self._outstandingRequests = []
89                 self._isStarted = False
90
91         def start(self):
92                 self._newChannelSignaller.start()
93                 self._isStarted = True
94
95         def stop(self):
96                 if not self._isStarted:
97                         _moduleLogger.info("voicemail monitor stopped without starting")
98                         return
99                 _moduleLogger.info("Stopping voicemail refresh")
100                 self._newChannelSignaller.stop()
101
102                 # I don't want to trust whether the cancel happens within the current
103                 # callback or not which could be the deciding factor between invalid
104                 # iterators or infinite loops
105                 localRequests = [r for r in self._outstandingRequests]
106                 for request in localRequests:
107                         localRequests.cancel()
108
109                 self._isStarted = False
110
111         def _on_new_channel(self, bus, serviceName, connObjectPath, channelObjectPath, channelType):
112                 if channelType != telepathy.interfaces.CHANNEL_TYPE_STREAMED_MEDIA:
113                         return
114
115                 cmName = telepathy_utils.cm_from_path(connObjectPath)
116                 if cmName == constants._telepathy_implementation_name_:
117                         _moduleLogger.debug("Ignoring channels from self to prevent deadlock")
118                         return
119
120                 conn = telepathy.client.Connection(serviceName, connObjectPath)
121                 try:
122                         chan = telepathy.client.Channel(serviceName, channelObjectPath)
123                 except dbus.exceptions.UnknownMethodException:
124                         _moduleLogger.exception("Client might not have implemented a deprecated method")
125                         return
126                 missDetection = telepathy_utils.WasMissedCall(
127                         bus, conn, chan, self._on_missed_call, self._on_error_for_missed
128                 )
129                 self._outstandingRequests.append(missDetection)
130
131         @misc_utils.log_exception(_moduleLogger)
132         def _on_missed_call(self, missDetection):
133                 _moduleLogger.info("Missed a call")
134                 self._connRef().session.voicemailsStateMachine.reset_timers()
135                 self._outstandingRequests.remove(missDetection)
136
137         @misc_utils.log_exception(_moduleLogger)
138         def _on_error_for_missed(self, missDetection, reason):
139                 _moduleLogger.debug("Error: %r claims %r" % (missDetection, reason))
140                 self._outstandingRequests.remove(missDetection)
141
142
143 class AutoDisconnect(object):
144
145         def __init__(self, connRef):
146                 self._connRef = connRef
147                 if conic is not None:
148                         self.__connection = conic.Connection()
149                 else:
150                         self.__connection = None
151
152                 self.__connectionEventId = None
153                 self.__delayedDisconnect = gobject_utils.Timeout(self._on_delayed_disconnect)
154
155         def start(self):
156                 if self.__connection is not None:
157                         self.__connectionEventId = self.__connection.connect("connection-event", self._on_connection_change)
158
159         def stop(self):
160                 self._cancel_delayed_disconnect()
161
162         @misc_utils.log_exception(_moduleLogger)
163         def _on_connection_change(self, connection, event):
164                 """
165                 @note Maemo specific
166                 """
167                 status = event.get_status()
168                 error = event.get_error()
169                 iap_id = event.get_iap_id()
170                 bearer = event.get_bearer_type()
171
172                 if status == conic.STATUS_DISCONNECTED:
173                         _moduleLogger.info("Disconnected from network, starting countdown to logoff")
174                         self.__delayedDisconnect.start(seconds=5)
175                 elif status == conic.STATUS_CONNECTED:
176                         _moduleLogger.info("Connected to network")
177                         self._cancel_delayed_disconnect()
178                 else:
179                         _moduleLogger.info("Other status: %r" % (status, ))
180
181         def _cancel_delayed_disconnect(self):
182                 _moduleLogger.info("Cancelling auto-log off")
183                 self.__delayedDisconnect.cancel()
184
185         @misc_utils.log_exception(_moduleLogger)
186         def _on_delayed_disconnect(self):
187                 if not self._connRef().session.is_logged_in():
188                         _moduleLogger.info("Received connection change event when not logged in")
189                         return
190                 try:
191                         self._connRef().disconnect(telepathy.CONNECTION_STATUS_REASON_NETWORK_ERROR)
192                 except Exception:
193                         _moduleLogger.exception("Error durring disconnect")
194
195
196 class DisconnectOnShutdown(object):
197         """
198         I'm unsure when I get notified of shutdown or if I have enough time to do
199         anything about it, but thought this might help
200         """
201
202         def __init__(self, connRef):
203                 self._connRef = connRef
204
205                 self._osso = None
206                 self._deviceState = None
207
208         def start(self):
209                 if osso is not None:
210                         self._osso = osso.Context(constants.__app_name__, constants.__version__, False)
211                         self._deviceState = osso.DeviceState(self._osso)
212                         self._deviceState.set_device_state_callback(self._on_device_state_change, 0)
213                 else:
214                         _moduleLogger.warning("No device state support")
215
216         def stop(self):
217                 try:
218                         self._deviceState.close()
219                 except AttributeError:
220                         pass # Either None or close was removed (in Fremantle)
221                 self._deviceState = None
222                 try:
223                         self._osso.close()
224                 except AttributeError:
225                         pass # Either None or close was removed (in Fremantle)
226                 self._osso = None
227
228         @misc_utils.log_exception(_moduleLogger)
229         def _on_device_state_change(self, shutdown, save_unsaved_data, memory_low, system_inactivity, message, userData):
230                 """
231                 @note Hildon specific
232                 """
233                 try:
234                         self._connRef().disconnect(telepathy.CONNECTION_STATUS_REASON_REQUESTED)
235                 except Exception:
236                         _moduleLogger.exception("Error durring disconnect")