--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/livecommsui/lcui/tsrc/mustester/Stubs/mceclientstub/inc/mcestreamobserver.h	Tue Aug 31 15:12:07 2010 +0300
@@ -0,0 +1,71 @@
+/*
+* 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 MMCESTREAMOBSERVER_H
+#define MMCESTREAMOBSERVER_H
+
+// INCLUDES
+#include <e32std.h>
+
+// FORWARD DECLARATIONS
+class CMceMediaStream;
+class CMceMediaSink;
+class CMceMediaSource;
+
+// CLASS DECLARATION
+
+/**
+*  An interface to be implemented by users of MCE if they wish to receive
+*  media state events.
+*
+*  This observer is set using CMceManager::SetMediaObserver function.
+*
+*  @lib mceclient.lib
+*/
+class MMceStreamObserver
+	{
+	public: 
+
+	    /**
+	    * The state of the stream has changed.
+	    * @param aStream, the stream that has changed.
+	    */
+	    virtual void StreamStateChanged( 
+	                   CMceMediaStream& aStream) = 0;
+
+	    /**
+	    * The state of the sink has changed.
+	    * @param aStream, the stream that uses the sink.
+	    * @param aSink, the sink that has changed.
+	    */
+	    virtual void StreamStateChanged(
+	                    CMceMediaStream& aStream,
+	                    CMceMediaSink& aSink) = 0;
+
+	    /**
+	    * The state of the source has changed.
+	    * @param aStream, the stream that uses the source.
+	    * @param aSource, the source that has changed.
+	    */
+	    virtual void StreamStateChanged(
+	                    CMceMediaStream& aStream,
+	                    CMceMediaSource& aSource) = 0;
+
+	};
+
+#endif