Web   ·   Wiki   ·   Activities   ·   Blog   ·   Lists   ·   Chat   ·   Meeting   ·   Bugs   ·   Git   ·   Translate   ·   Archive   ·   People   ·   Donate
summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--src/sugar/presence/chat.py125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/sugar/presence/chat.py b/src/sugar/presence/chat.py
new file mode 100644
index 0000000..8695022
--- /dev/null
+++ b/src/sugar/presence/chat.py
@@ -0,0 +1,125 @@
+# -*- coding: UTF-8 -*-
+# Copyright (C) 2009 Andrés Ambrois
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+
+import gobject
+import telepathy
+from sugar.presence import presenceservice
+
+
+class BaseChat(gobject.GObject):
+ ''' Base class for Chat models '''
+
+ channels = {}
+
+ def __init__(self, activity_ps, keys=[]):
+ ''' activity_ps -- sugar.presence.activity instance where we get the
+ telepathy channels from.
+
+ keys -- If we need to act on received messages, give us a list of the
+ public keys of these buddies.
+ '''
+ gobject.GObject.__init__(self)
+ self.keys = dict.fromkeys(keys)
+ self._ps = presenceservice.get_instance()
+ self.channel = None
+
+ try:
+ self._find_channel(activity_ps)
+ except KeyError:
+ activity_ps.connect('new-channel',
+ lambda obj, path: self._find_channel(activity_ps))
+
+ def _find_channel(self, activity_ps):
+ id = activity_ps.props.id
+ try:
+ self.channel = BaseChat.channels[id]
+ except KeyError:
+ # Get the activity text chan from the presence service
+ bus_name, conn_path, channel_paths = activity_ps.get_channels()
+ for channel_path in channel_paths:
+ channel = telepathy.client.Channel(bus_name, channel_path)
+ htype, handle = channel.GetHandle()
+ if htype == telepathy.HANDLE_TYPE_ROOM:
+ if channel.GetChannelType() == telepathy.CHANNEL_TYPE_TEXT:
+ BaseChat.channels[id] = channel
+ self.channel = channel
+
+ self._received_sh = self.channel[
+ telepathy.CHANNEL_TYPE_TEXT].connect_to_signal(
+ 'Received', self.message_received_cb)
+
+ for id, timestamp, sender, type, flags, text in \
+ self.channel[telepathy.CHANNEL_TYPE_TEXT
+ ].ListPendingMessages(False):
+ self.message_received_cb(id, timestamp, sender,
+ type, flags, text)
+ if self.channel == None:
+ raise KeyError
+
+ def message_received_cb(self, id, timestamp, sender, type, flags, text):
+ if self.keys:
+ self._find_handles()
+
+ def _find_handles(self):
+ group = self.channel[telepathy.CHANNEL_INTERFACE_GROUP]
+ conn_name, conn_path = self._ps.get_preferred_connection()
+ if group.GetGroupFlags() & \
+ telepathy.CHANNEL_GROUP_FLAG_CHANNEL_SPECIFIC_HANDLES:
+ owners = self.channel.GetAll(telepathy.CHANNEL_INTERFACE_GROUP,
+ dbus_interface='org.freedesktop.DBus.Properties').get(
+ 'HandleOwners')
+ for handle, owner in owners.items():
+ buddy = self._ps.get_buddy_by_telepathy_handle(
+ conn_name, conn_path, owner)
+ if buddy is None:
+ continue
+ if buddy.props.key in self.keys.keys(): # keys, keys, keys!!
+ self.keys[buddy.props.key] = handle
+ else:
+ buddy = self._ps.get_buddy_by_telepathy_handle(
+ conn_name, conn_path, sender)
+ if buddy.props.key in self.keys.keys():
+ self.keys[buddy.props.key] = sender
+
+ def disconnect_signals(self, object=None):
+ self._received_sh.remove()
+
+class ChatCatcher(BaseChat):
+ __gsignals__ = {
+ 'chat-received': (gobject.SIGNAL_RUN_FIRST,
+ gobject.TYPE_NONE,
+ ([gobject.TYPE_STRING])),
+ }
+
+ def __init__(self, activity_ps, key):
+ BaseChat.__init__(self, activity_ps, [key])
+
+ def message_received_cb(self, id, timestamp, sender, type, flags, text):
+ BaseChat.message_received_cb(self, id, timestamp, sender, type, flags, text)
+ if sender in self.keys.values():
+ self.emit('chat-received', text)
+ self.channel[
+ telepathy.CHANNEL_TYPE_TEXT].AcknowledgePendingMessages([id])
+
+class ChatPitcher(BaseChat):
+ def __init__(self, activity_ps):
+ BaseChat.__init__(self, activity_ps)
+
+ def send(self, text):
+ if self.channel is not None:
+ self.channel[telepathy.CHANNEL_TYPE_TEXT].Send(
+ telepathy.CHANNEL_TEXT_MESSAGE_TYPE_NORMAL, text)