diff -r 594d59766373 -r 7d48bed6ce0c cbs/cbsui/inc/mcbsuitopicmonitorobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbs/cbsui/inc/mcbsuitopicmonitorobserver.h	Tue Aug 31 15:45:17 2010 +0300
@@ -0,0 +1,51 @@
+/*
+* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*    Observes topic monitor.
+*
+*/
+
+
+#ifndef CBS_UI_TOPIC_MONITOR_OBSERVER_H
+#define CBS_UI_TOPIC_MONITOR_OBSERVER_H
+
+//  INCLUDES
+#include <CbsCommon.h>
+
+
+
+// CLASS DECLARATION
+
+/**
+* Observes topic monitor.
+*  
+*/
+class MCbsUiTopicMonitorObserver
+    {
+    public:
+
+        /**
+        * Topic list or topic messages are changed.
+        *
+        * @param aEvent reason for event
+        * @param aTopicNumber Topic number, which caused the event
+        */
+        virtual void TopicListChangedL(
+            TCbsTopicListEvent aEvent, TCbsTopicNumber aTopicNumber ) = 0;
+
+    };
+
+#endif      // CBS_UI_TOPIC_MONITOR_OBSERVER_H
+            
+// End of File