From 58b2d8fb939e3cab9eb8b587fec7c6cce6fecf1f Mon Sep 17 00:00:00 2001
From: Aleksey Lim <alsroot@member.fsf.org>
Date: Wed, 04 Feb 2009 15:12:22 +0000
Subject: Add collab code

---
(limited to 'Speak.activity/messenger.py')

diff --git a/Speak.activity/messenger.py b/Speak.activity/messenger.py
new file mode 100644
index 0000000..cf19701
--- /dev/null
+++ b/Speak.activity/messenger.py
@@ -0,0 +1,110 @@
+# 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 logging
+from dbus.gobject_service import ExportedGObject
+from dbus.service import method, signal
+
+from sugar.presence import presenceservice
+
+import face
+
+logger = logging.getLogger('speak')
+
+SERVICE = 'org.sugarlabs.Speak'
+IFACE = SERVICE
+PATH = '/org/sugarlabs/Speak'
+
+class Messenger(ExportedGObject):
+    def __init__(self, tube, is_initiator, chat):
+        ExportedGObject.__init__(self, tube, PATH)
+
+        self.is_initiator = is_initiator
+        self.chat = chat
+
+        self._tube = tube
+        self._entered = False
+        self._buddies = {}
+
+        self._tube.add_signal_receiver(self._ping_cb, '_ping', IFACE, path=PATH,
+                sender_keyword='sender')
+        self._tube.add_signal_receiver(self._post_cb, '_post', IFACE, path=PATH,
+                sender_keyword='sender')
+        self._tube.watch_participants(self._participant_change_cb)
+
+    def post(self, text):
+        self._post(self.chat.me.status.serialize(), text)
+
+    def _participant_change_cb(self, added, removed):
+        if removed:
+            for i in removed:
+                buddy = self._buddies.get(i)
+                if buddy:
+                    logger.debug('buddy %s left chat'
+                            % self._buddies[i].props.nick)
+                    self.chat.farewell(self._buddies[i])
+                    del self._buddies[i]
+                else:
+                    logger.warning('_participant_change_cb: cannot find buddy')
+        else:
+            if not self._entered:
+                self.me = self._tube.get_unique_name()
+                if not self.is_initiator:
+                    self._ping(self.chat.me.status.serialize())
+            self._entered = True
+
+    @signal(IFACE, signature='s')
+    def _ping(self, status):
+        logger.debug('send ping')
+        pass
+
+    @signal(IFACE, signature='ss')
+    def _post(self, status, text):
+        logger.debug('send message: %s' % text)
+        pass
+
+    @method(dbus_interface=IFACE, in_signature='s', out_signature='',
+            sender_keyword='sender')
+    def _pong(self, sender_status, sender=None):
+        tp_handle = self._tube.bus_name_to_handle[sender]
+        buddy = self._buddies[tp_handle] = self._tube.get_buddy(tp_handle)
+
+        logger.debug('pong received from %s(%s)' % (sender, buddy.props.nick))
+
+        self.chat.post(buddy, face.Status().deserialize(sender_status), None)
+
+    def _ping_cb(self, sender_status, sender=None):
+        if sender == self.me:
+            return
+
+        tp_handle = self._tube.bus_name_to_handle[sender]
+        buddy = self._buddies[tp_handle] = self._tube.get_buddy(tp_handle)
+
+        logger.debug('ping received from %s(%s)' % (sender, buddy.props.nick))
+
+        self.chat.post(buddy, face.Status().deserialize(sender_status), None)
+        remote_object = self._tube.get_object(sender, PATH)
+        remote_object._pong(self.chat.me.status.serialize())
+
+    def _post_cb(self, sender_status, text, sender=None):
+        if sender == self.me:
+            return
+
+        tp_handle = self._tube.bus_name_to_handle[sender]
+        buddy = self._buddies[tp_handle]
+
+        logger.debug('message received from %s(%s): %s' 
+                % (sender, buddy.props.nick, text))
+
+        self.chat.post(buddy, face.Status().deserialize(sender_status), text)
--
cgit v0.9.1