[empathy] call-observer: set debug domain to 'voip' and add 2 debug messages

[Guillaume Desmottes <gdesmott src gnome org>]

commit 7c8e0dca9ac2e75a6d1522dc5d84c7e48175686b
Author: Guillaume Desmottes <guillaume desmottes collabora co uk>
Date:   Tue Mar 8 16:29:39 2011 +0100

    call-observer: set debug domain to 'voip' and add 2 debug messages

 src/empathy-call-observer.c |    7 ++++++-
 1 files changed, 6 insertions(+), 1 deletions(-)
---
diff --git a/src/empathy-call-observer.c b/src/empathy-call-observer.c
index d724a40..3fb5adc 100644
--- a/src/empathy-call-observer.c
+++ b/src/empathy-call-observer.c
@@ -29,7 +29,7 @@
 
 #include "empathy-call-observer.h"
 
-#define DEBUG_FLAG EMPATHY_DEBUG_DISPATCHER
+#define DEBUG_FLAG EMPATHY_DEBUG_VOIP
 #include <libempathy/empathy-debug.h>
 
 struct _EmpathyCallObserverPriv {
@@ -57,6 +57,9 @@ on_channel_closed (TpProxy *proxy,
     gchar   *message,
     EmpathyCallObserver *self)
 {
+  DEBUG ("channel %s has been invalidated; stop observing it",
+      tp_proxy_get_object_path (proxy));
+
   self->priv->channels = g_list_remove (self->priv->channels, proxy);
   g_object_unref (proxy);
 }
@@ -159,6 +162,8 @@ observe_channels (TpSimpleObserver *observer,
       return;
     }
 
+  DEBUG ("Observing channel %s", tp_proxy_get_object_path (channel));
+
   tp_g_signal_connect_object (channel, "invalidated",
       G_CALLBACK (on_channel_closed), self, 0);
   self->priv->channels = g_list_prepend (self->priv->channels,