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.go_utils as gobject_utils
   8 import util.coroutines as coroutines
   9 import gtk_toolbox
  10
  11
  12 _moduleLogger = logging.getLogger("channel.text")
  13
  14
  15 class TextChannel(telepathy.server.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                 try:
  25                         # HACK Older python-telepathy way
  26                         telepathy.server.ChannelTypeText.__init__(self, connection, contactHandle)
  27                 except TypeError:
  28                         # HACK Newer python-telepathy way
  29                         telepathy.server.ChannelTypeText.__init__(self, connection, manager, props)
  30                 self._nextRecievedId = 0
  31                 self._lastMessageTimestamp = datetime.datetime(1, 1, 1)
  32
  33                 self._otherHandle = contactHandle
  34
  35                 self._callback = coroutines.func_sink(
  36                         coroutines.expand_positional(
  37                                 self._on_conversations_updated
  38                         )
  39                 )
  40                 self._conn.session.conversations.updateSignalHandler.register_sink(
  41                         self._callback
  42                 )
  43
  44                 # The only reason there should be anything in the conversation is if
  45                 # its new, so report it all
  46                 try:
  47                         mergedConversations = self._conn.session.conversations.get_conversation(self._contactKey)
  48                 except KeyError:
  49                         _moduleLogger.info("Nothing in the conversation yet for %r" % (self._contactKey, ))
  50                 else:
  51                         self._report_conversation(mergedConversations)
  52
  53         @gtk_toolbox.log_exception(_moduleLogger)
  54         def Send(self, messageType, text):
  55                 if messageType != telepathy.CHANNEL_TEXT_MESSAGE_TYPE_NORMAL:
  56                         raise telepathy.errors.NotImplemented("Unhandled message type: %r" % messageType)
  57
  58                 self._conn.session.backend.send_sms(self._otherHandle.phoneNumber, text)
  59                 self._conn.session.stateMachine.reset_timers()
  60
  61                 self.Sent(int(time.time()), messageType, text)
  62
  63         @gtk_toolbox.log_exception(_moduleLogger)
  64         def Close(self):
  65                 self.close()
  66
  67         def close(self):
  68                 self._conn.session.conversations.updateSignalHandler.unregister_sink(
  69                         self._callback
  70                 )
  71                 self._callback = None
  72
  73                 telepathy.server.ChannelTypeText.Close(self)
  74                 if self._manager.channel_exists(self._props):
  75                         # HACK Older python-telepathy requires doing this manually
  76                         self._manager.remove_channel(self)
  77                 self.remove_from_connection()
  78
  79         @property
  80         def _contactKey(self):
  81                 contactKey = self._otherHandle.contactID, self._otherHandle.phoneNumber
  82                 return contactKey
  83
  84         @gobject_utils.async
  85         @gtk_toolbox.log_exception(_moduleLogger)
  86         def _on_conversations_updated(self, conv, conversationIds):
  87                 if self._contactKey not in conversationIds:
  88                         return
  89                 _moduleLogger.info("Incoming messages from %r for existing conversation" % (self._contactKey, ))
  90                 mergedConversations = self._conn.session.conversations.get_conversation(self._contactKey)
  91                 self._report_conversation(mergedConversations)
  92
  93         def _report_conversation(self, mergedConversations):
  94                 newConversations = mergedConversations.conversations
  95                 newConversations = self._filter_out_reported(newConversations)
  96                 newConversations = self._filter_out_read(newConversations)
  97                 newConversations = list(newConversations)
  98                 if not newConversations:
  99                         _moduleLogger.info(
 100                                 "New messages for %r have already been read externally" % (self._contactKey, )
 101                         )
 102                         return
 103                 self._lastMessageTimestamp = newConversations[-1].time
 104
 105                 messages = [
 106                         newMessage
 107                         for newConversation in newConversations
 108                         for newMessage in newConversation.messages
 109                         if newMessage.whoFrom != "Me:"
 110                 ]
 111                 if not newConversations:
 112                         _moduleLogger.info(
 113                                 "All incoming messages were really outbound messages for %r" % (self._contactKey, )
 114                         )
 115                         return
 116
 117                 for newMessage in messages:
 118                         formattedMessage = self._format_message(newMessage)
 119                         self._report_new_message(formattedMessage)
 120
 121         def _filter_out_reported(self, conversations):
 122                 return (
 123                         conversation
 124                         for conversation in conversations
 125                         if self._lastMessageTimestamp < conversation.time
 126                 )
 127
 128         def _filter_out_read(self, conversations):
 129                 return (
 130                         conversation
 131                         for conversation in conversations
 132                         if not conversation.isRead and not conversation.isArchived
 133                 )
 134
 135         def _format_message(self, message):
 136                 return " ".join(part.text.strip() for part in message.body)
 137
 138         def _report_new_message(self, message):
 139                 currentReceivedId = self._nextRecievedId
 140                 timestamp = int(time.time())
 141                 type = telepathy.CHANNEL_TEXT_MESSAGE_TYPE_NORMAL
 142
 143                 _moduleLogger.info("Received message from User %r" % self._otherHandle)
 144                 self.Received(currentReceivedId, timestamp, self._otherHandle, type, 0, message)
 145
 146                 self._nextRecievedId += 1