diff -r 000000000000 -r f0cf47e981f9 tsrc/musenginestub/inc/musengobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tsrc/musenginestub/inc/musengobserver.h	Thu Dec 17 08:44:37 2009 +0200
@@ -0,0 +1,49 @@
+/*
+* Copyright (c) 2005 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: 
+*
+*/
+
+
+#ifndef MUSHENGOBSERVER_H
+#define MUSHENGOBSERVER_H
+
+// INCLUDES
+//#include <e32std.h>
+
+// CLASS DECLARATION
+
+/**
+*  An interface to be implemented by users of Multimedia Sharing Engine if they wish to receive
+*  events from session state changes.
+*
+*  This observer is set using CMSSession::SetSessionObserver function.
+*
+*  @lib ???.lib
+*/
+class MMusEngObserver
+    {
+
+
+    protected:
+        /**
+        * Callback function to indicate that engine state was changed
+        * @param aState, the new session state
+        */
+        virtual void EngineStateChangedL(/*const TMSEngState& aState*/) = 0;
+
+
+    };
+
+#endif
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