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 tp
   8 import util.coroutines as coroutines
   9 import gtk_toolbox
  10
  11
  12 _moduleLogger = logging.getLogger("channel.text")
  13
  14
  15 class TextChannel(tp.ChannelTypeText):
  16         """
  17         Look into implementing ChannelInterfaceMessages for rich text formatting
  18         """
  19
  20         def __init__(self, connection, manager, props, contactHandle):
  21                 self.__manager = manager
  22                 self.__props = props
  23
  24                 tp.ChannelTypeText.__init__(self, connection, manager, props)
  25                 self.__nextRecievedId = 0
  26                 self.__lastMessageTimestamp = datetime.datetime(1, 1, 1)
  27
  28                 self.__otherHandle = contactHandle
  29
  30                 self.__callback = coroutines.func_sink(
  31                         coroutines.expand_positional(
  32                                 self._on_conversations_updated
  33                         )
  34                 )
  35                 self._conn.session.voicemails.updateSignalHandler.register_sink(
  36                         self.__callback
  37                 )
  38                 self._conn.session.texts.updateSignalHandler.register_sink(
  39                         self.__callback
  40                 )
  41
  42                 # The only reason there should be anything in the conversation is if
  43                 # its new, so report it all
  44                 try:
  45                         mergedConversations = self._conn.session.voicemails.get_conversation(self._contactKey)
  46                 except KeyError:
  47                         _moduleLogger.debug("No voicemails in the conversation yet for %r" % (self._contactKey, ))
  48                 else:
  49                         self._report_conversation(mergedConversations)
  50                 try:
  51                         mergedConversations = self._conn.session.texts.get_conversation(self._contactKey)
  52                 except KeyError:
  53                         _moduleLogger.debug("No texts conversation yet for %r" % (self._contactKey, ))
  54                 else:
  55                         self._report_conversation(mergedConversations)
  56
  57         @gtk_toolbox.log_exception(_moduleLogger)
  58         def Send(self, messageType, text):
  59                 if messageType != telepathy.CHANNEL_TEXT_MESSAGE_TYPE_NORMAL:
  60                         raise telepathy.errors.NotImplemented("Unhandled message type: %r" % messageType)
  61
  62                 _moduleLogger.info("Sending message to %r" % (self.__otherHandle, ))
  63                 self._conn.session.backend.send_sms(self.__otherHandle.phoneNumber, text)
  64                 self._conn.session.textsStateMachine.reset_timers()
  65
  66                 self.Sent(int(time.time()), messageType, text)
  67
  68         @gtk_toolbox.log_exception(_moduleLogger)
  69         def Close(self):
  70                 self.close()
  71
  72         def close(self):
  73                 self._conn.session.voicemails.updateSignalHandler.unregister_sink(
  74                         self.__callback
  75                 )
  76                 self._conn.session.texts.updateSignalHandler.unregister_sink(
  77                         self.__callback
  78                 )
  79                 self.__callback = None
  80
  81                 tp.ChannelTypeText.Close(self)
  82                 self.remove_from_connection()
  83
  84         @property
  85         def _contactKey(self):
  86                 contactKey = self.__otherHandle.contactID, self.__otherHandle.phoneNumber
  87                 return contactKey
  88
  89         @gtk_toolbox.log_exception(_moduleLogger)
  90         def _on_conversations_updated(self, conv, conversationIds):
  91                 if self._contactKey not in conversationIds:
  92                         return
  93                 _moduleLogger.debug("Incoming messages from %r for existing conversation" % (self._contactKey, ))
  94                 mergedConversations = conv.get_conversation(self._contactKey)
  95                 self._report_conversation(mergedConversations)
  96
  97         def _report_conversation(self, mergedConversations):
  98                 # Can't filter out messages in a texting conversation that came in
  99                 # before the last one sent because that creates a race condition of two
 100                 # people sending at about the same time, which happens quite a bit
 101                 newConversations = mergedConversations.conversations
 102                 if not newConversations:
 103                         _moduleLogger.debug(
 104                                 "No messages ended up existing for %r" % (self._contactKey, )
 105                         )
 106                         return
 107                 newConversations = self._filter_out_reported(newConversations)
 108                 newConversations = self._filter_out_read(newConversations)
 109                 newConversations = list(newConversations)
 110                 if not newConversations:
 111                         _moduleLogger.debug(
 112                                 "New messages for %r have already been read externally" % (self._contactKey, )
 113                         )
 114                         return
 115                 self.__lastMessageTimestamp = newConversations[-1].time
 116
 117                 messages = [
 118                         newMessage
 119                         for newConversation in newConversations
 120                         for newMessage in newConversation.messages
 121                         if newMessage.whoFrom != "Me:"
 122                 ]
 123                 if not newConversations:
 124                         _moduleLogger.debug(
 125                                 "All incoming messages were really outbound messages for %r" % (self._contactKey, )
 126                         )
 127                         return
 128
 129                 for newMessage in messages:
 130                         formattedMessage = self._format_message(newMessage)
 131                         self._report_new_message(formattedMessage)
 132
 133         def _filter_out_reported(self, conversations):
 134                 return (
 135                         conversation
 136                         for conversation in conversations
 137                         if self.__lastMessageTimestamp < conversation.time
 138                 )
 139
 140         def _filter_out_read(self, conversations):
 141                 return (
 142                         conversation
 143                         for conversation in conversations
 144                         if not conversation.isRead and not conversation.isArchived
 145                 )
 146
 147         def _format_message(self, message):
 148                 return " ".join(part.text.strip() for part in message.body)
 149
 150         def _report_new_message(self, message):
 151                 currentReceivedId = self.__nextRecievedId
 152                 timestamp = int(time.time())
 153                 type = telepathy.CHANNEL_TEXT_MESSAGE_TYPE_NORMAL
 154
 155                 _moduleLogger.info("Received message from User %r" % self.__otherHandle)
 156                 self.Received(currentReceivedId, timestamp, self.__otherHandle, type, 0, message)
 157
 158                 self.__nextRecievedId += 1