From 049b44f2b14fb6bf14751ec8374366d336237c6b Mon Sep 17 00:00:00 2001
From: Xavier Claessens <xclaesse@src.gnome.org>
Date: Tue, 26 Feb 2008 13:31:27 +0000
Subject: [PATCH] Watch name owner changes to know when s-e falls off the bus.

svn path=/trunk/; revision=671
---
 libempathy/empathy-tp-call.c | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/libempathy/empathy-tp-call.c b/libempathy/empathy-tp-call.c
index 25c47cd2..f92aef49 100644
--- a/libempathy/empathy-tp-call.c
+++ b/libempathy/empathy-tp-call.c
@@ -25,6 +25,7 @@
 #include <libtelepathy/tp-connmgr.h>
 #include <libtelepathy/tp-helpers.h>
 #include <telepathy-glib/proxy-subclass.h>
+#include <telepathy-glib/dbus.h>
 
 #include <libmissioncontrol/mc-account.h>
 
@@ -51,6 +52,7 @@ struct _EmpathyTpCallPriv
   TpConn *connection;
   TpChan *channel;
   TpProxy *stream_engine;
+  TpDBusDaemon *dbus_daemon;
   EmpathyTpGroup *group;
   EmpathyContact *contact;
   gboolean is_incoming;
@@ -502,6 +504,19 @@ tp_call_invalidated_cb (TpProxy       *stream_engine,
   empathy_tp_call_close_channel (call);
 }
 
+static void
+tp_call_watch_name_owner_cb (TpDBusDaemon *daemon,
+                             const gchar *name,
+                             const gchar *new_owner,
+                             gpointer call)
+{
+  if (G_STR_EMPTY (new_owner))
+    {
+      empathy_debug (DEBUG_DOMAIN, "Stream engine falled off the bus");
+      empathy_tp_call_close_channel (call);
+    }
+}
+
 static void
 tp_call_start_stream_engine (EmpathyTpCall *call)
 {
@@ -521,6 +536,11 @@ tp_call_start_stream_engine (EmpathyTpCall *call)
   g_signal_connect (priv->stream_engine, "invalidated",
       G_CALLBACK (tp_call_invalidated_cb),
       call);
+  
+  priv->dbus_daemon = tp_dbus_daemon_new (tp_get_bus ());
+  tp_dbus_daemon_watch_name_owner (priv->dbus_daemon, STREAM_ENGINE_BUS_NAME,
+      tp_call_watch_name_owner_cb,
+      call, NULL);
 
   emp_cli_channel_handler_call_handle_channel (priv->stream_engine, -1,
         dbus_g_proxy_get_bus_name (DBUS_G_PROXY (priv->connection)),
@@ -607,9 +627,12 @@ tp_call_finalize (GObject *object)
   if (priv->stream_engine != NULL)
     g_object_unref (priv->stream_engine);
 
-  if (priv->contact)
+  if (priv->contact != NULL)
       g_object_unref (priv->contact);
 
+  if (priv->dbus_daemon != NULL)
+      g_object_unref (priv->dbus_daemon);
+
   (G_OBJECT_CLASS (empathy_tp_call_parent_class)->finalize) (object);
 }
 
-- 
2.39.2