From c234b7b4a396ce523692d5516c3cc4fb159d9d0c Mon Sep 17 00:00:00 2001
From: Marco Pesenti Gritti <marco@localhost.localdomain>
Date: Thu, 22 Jun 2006 20:01:14 +0000
Subject: Merge branch 'master' of git+ssh://crank.laptop.org/git/sugar

Conflicts:

	sugar/presence/Buddy.py
---
(limited to 'sugar/chat')

diff --git a/sugar/chat/ActivityChat.py b/sugar/chat/ActivityChat.py
index 6e3c71c..a7a6516 100644
--- a/sugar/chat/ActivityChat.py
+++ b/sugar/chat/ActivityChat.py
@@ -4,23 +4,41 @@ from sugar.chat.GroupChat import GroupChat
 
 class ActivityChat(GroupChat):
 	SERVICE_TYPE = "_olpc_activity_chat._udp"
-	SERVICE_PORT = 6200
 
 	def __init__(self, activity):
 		GroupChat.__init__(self)
+		self._chat_service = None
+
 		self._activity = activity
 		self._pservice.connect('service-appeared', self._service_appeared_cb)
 		self._pservice.track_service_type(ActivityChat.SERVICE_TYPE)
+
+		# Find an existing activity chat to latch onto
 		service = self._pservice.get_activity_service(activity, ActivityChat.SERVICE_TYPE)
 		if service is not None:
 			self._service_appeared_cb(self._pservice, None, service)
 
 	def _service_appeared_cb(self, pservice, buddy, service):
-		if service.get_activity_uid() == self._activity.get_id():
-			if service.get_type() == ActivityChat.SERVICE_TYPE:
-				logging.debug('Group chat service appeared, setup the stream.')
-				self._setup_stream(service)
+		if service.get_activity_id() != self._activity.get_id():
+			return
+		if service.get_type() != ActivityChat.SERVICE_TYPE:
+			return
+		if buddy and buddy.is_owner():
+			return
+		if self._chat_service:
+			return
+
+		logging.debug('Activity chat service appeared, setup the stream.')
+		# Ok, there's an existing chat service that we copy
+		# parameters and such from
+		addr = service.get_address()
+		port = service.get_port()
+		self._chat_service = self._pservice.share_activity(self._activity,
+				stype=ActivityChat.SERVICE_TYPE, properties=None,
+				address=addr, port=port)
+		self._setup_stream(self._chat_service)
 
 	def publish(self):
-		service = self._pservice.share_activity(self._activity,
-				stype = ActivityChat.SERVICE_TYPE, port = ActivityChat.SERVICE_PORT)
+		"""Only called when we publish the activity this chat is tied to."""
+		self._chat_service = self._pservice.share_activity(self._activity,
+				stype=ActivityChat.SERVICE_TYPE)
diff --git a/sugar/chat/Chat.py b/sugar/chat/Chat.py
index 0894428..ec51f2f 100644
--- a/sugar/chat/Chat.py
+++ b/sugar/chat/Chat.py
@@ -216,17 +216,21 @@ class Chat(gtk.VBox):
 	def send_sketch(self, svgdata):
 		if not svgdata or not len(svgdata):
 			return
-		self._stream_writer.write(self.serialize_message(svgdata))
+		if self._stream_writer:
+			self._stream_writer.write(self.serialize_message(svgdata))
 		owner = PresenceService.get_instance().get_owner()
-		self._insert_sketch(owner, svgdata)
+		if owner:
+			self._insert_sketch(owner, svgdata)
 
 	def send_text_message(self, text):
 		"""Send a chat message and insert it into the local buffer."""
 		if len(text) <= 0:
 			return
-		self._stream_writer.write(self.serialize_message(text))
+		if self._stream_writer:
+			self._stream_writer.write(self.serialize_message(text))
 		owner = PresenceService.get_instance().get_owner()
-		self._insert_rich_message(owner, text)
+		if owner:
+			self._insert_rich_message(owner, text)
 
 	def serialize_message(self, message):
 		owner = PresenceService.get_instance().get_owner()
--
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