git.maemo.org Git - theonering/blob - src/channel/text.py

   1 import time
   2 import datetime
   3 import logging
   4
   5 import telepathy
   6
   7 import util.coroutines as coroutines
   8 import gtk_toolbox
   9
  10
  11 _moduleLogger = logging.getLogger("channel.text")
  12
  13
  14 class TextChannel(telepathy.server.ChannelTypeText):
  15         """
  16         Look into implementing ChannelInterfaceMessages for rich text formatting
  17         """
  18
  19         def __init__(self, connection, manager, props, contactHandle):
  20                 self.__manager = manager
  21                 self.__props = props
  22
  23                 try:
  24                         # HACK Older python-telepathy way
  25                         telepathy.server.ChannelTypeText.__init__(self, connection, contactHandle)
  26                         self._requested = props[telepathy.interfaces.CHANNEL_INTERFACE + '.Requested']
  27                         self._implement_property_get(
  28                                 telepathy.interfaces.CHANNEL_INTERFACE,
  29                                 {"Requested": lambda: self._requested}
  30                         )
  31                 except TypeError:
  32                         # HACK Newer python-telepathy way
  33                         telepathy.server.ChannelTypeText.__init__(self, connection, manager, props)
  34                 self.__nextRecievedId = 0
  35                 self.__lastMessageTimestamp = datetime.datetime(1, 1, 1)
  36
  37                 self.__otherHandle = contactHandle
  38
  39                 self.__callback = coroutines.func_sink(
  40                         coroutines.expand_positional(
  41                                 self._on_conversations_updated
  42                         )
  43                 )
  44                 self._conn.session.voicemails.updateSignalHandler.register_sink(
  45                         self.__callback
  46                 )
  47                 self._conn.session.texts.updateSignalHandler.register_sink(
  48                         self.__callback
  49                 )
  50
  51                 # The only reason there should be anything in the conversation is if
  52                 # its new, so report it all
  53                 try:
  54                         mergedConversations = self._conn.session.voicemails.get_conversation(self._contactKey)
  55                 except KeyError:
  56                         _moduleLogger.debug("Nothing in the conversation yet for %r" % (self._contactKey, ))
  57                 else:
  58                         self._report_conversation(mergedConversations)
  59                 try:
  60                         mergedConversations = self._conn.session.texts.get_conversation(self._contactKey)
  61                 except KeyError:
  62                         _moduleLogger.debug("Nothing in the conversation yet for %r" % (self._contactKey, ))
  63                 else:
  64                         self._report_conversation(mergedConversations)
  65
  66         def get_props(self):
  67                 # HACK Older python-telepathy doesn't provide this
  68                 _immutable_properties = {
  69                         'ChannelType': telepathy.server.interfaces.CHANNEL_INTERFACE,
  70                         'TargetHandle': telepathy.server.interfaces.CHANNEL_INTERFACE,
  71                         'Interfaces': telepathy.server.interfaces.CHANNEL_INTERFACE,
  72                         'TargetHandleType': telepathy.server.interfaces.CHANNEL_INTERFACE,
  73                         'TargetID': telepathy.server.interfaces.CHANNEL_INTERFACE,
  74                         'Requested': telepathy.server.interfaces.CHANNEL_INTERFACE
  75                 }
  76                 props = dict()
  77                 for prop, iface in _immutable_properties.items():
  78                         props[iface + '.' + prop] = \
  79                                 self._prop_getters[iface][prop]()
  80                 return props
  81
  82         @gtk_toolbox.log_exception(_moduleLogger)
  83         def Send(self, messageType, text):
  84                 if messageType != telepathy.CHANNEL_TEXT_MESSAGE_TYPE_NORMAL:
  85                         raise telepathy.errors.NotImplemented("Unhandled message type: %r" % messageType)
  86
  87                 self._conn.session.backend.send_sms(self.__otherHandle.phoneNumber, text)
  88                 self._conn.session.textsStateMachine.reset_timers()
  89
  90                 self.Sent(int(time.time()), messageType, text)
  91
  92         @gtk_toolbox.log_exception(_moduleLogger)
  93         def Close(self):
  94                 self.close()
  95
  96         def close(self):
  97                 self._conn.session.voicemails.updateSignalHandler.unregister_sink(
  98                         self.__callback
  99                 )
 100                 self._conn.session.texts.updateSignalHandler.unregister_sink(
 101                         self.__callback
 102                 )
 103                 self.__callback = None
 104
 105                 telepathy.server.ChannelTypeText.Close(self)
 106                 if self.__manager.channel_exists(self.__props):
 107                         # HACK Older python-telepathy requires doing this manually
 108                         self.__manager.remove_channel(self)
 109                 self.remove_from_connection()
 110
 111         @property
 112         def _contactKey(self):
 113                 contactKey = self.__otherHandle.contactID, self.__otherHandle.phoneNumber
 114                 return contactKey
 115
 116         @gtk_toolbox.log_exception(_moduleLogger)
 117         def _on_conversations_updated(self, conv, conversationIds):
 118                 if self._contactKey not in conversationIds:
 119                         return
 120                 _moduleLogger.debug("Incoming messages from %r for existing conversation" % (self._contactKey, ))
 121                 mergedConversations = conv.get_conversation(self._contactKey)
 122                 self._report_conversation(mergedConversations)
 123
 124         def _report_conversation(self, mergedConversations):
 125                 newConversations = mergedConversations.conversations
 126                 newConversations = self._filter_out_reported(newConversations)
 127                 newConversations = self._filter_out_read(newConversations)
 128                 newConversations = list(newConversations)
 129                 if not newConversations:
 130                         _moduleLogger.debug(
 131                                 "New messages for %r have already been read externally" % (self._contactKey, )
 132                         )
 133                         return
 134                 self.__lastMessageTimestamp = newConversations[-1].time
 135
 136                 messages = [
 137                         newMessage
 138                         for newConversation in newConversations
 139                         for newMessage in newConversation.messages
 140                         if newMessage.whoFrom != "Me:"
 141                 ]
 142                 if not newConversations:
 143                         _moduleLogger.debug(
 144                                 "All incoming messages were really outbound messages for %r" % (self._contactKey, )
 145                         )
 146                         return
 147
 148                 for newMessage in messages:
 149                         formattedMessage = self._format_message(newMessage)
 150                         self._report_new_message(formattedMessage)
 151
 152         def _filter_out_reported(self, conversations):
 153                 return (
 154                         conversation
 155                         for conversation in conversations
 156                         if self.__lastMessageTimestamp < conversation.time
 157                 )
 158
 159         def _filter_out_read(self, conversations):
 160                 return (
 161                         conversation
 162                         for conversation in conversations
 163                         if not conversation.isRead and not conversation.isArchived
 164                 )
 165
 166         def _format_message(self, message):
 167                 return " ".join(part.text.strip() for part in message.body)
 168
 169         def _report_new_message(self, message):
 170                 currentReceivedId = self.__nextRecievedId
 171                 timestamp = int(time.time())
 172                 type = telepathy.CHANNEL_TEXT_MESSAGE_TYPE_NORMAL
 173
 174                 _moduleLogger.info("Received message from User %r" % self.__otherHandle)
 175                 self.Received(currentReceivedId, timestamp, self.__otherHandle, type, 0, message)
 176
 177                 self.__nextRecievedId += 1