diff -r 000000000000 -r bde4ae8d615e os/mm/mm_plat/audio_effects_proxy_api/inc/RoomLevelProxy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/mm_plat/audio_effects_proxy_api/inc/RoomLevelProxy.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,168 @@
+/*
+* Copyright (c) 2004 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:  This is the definition of the Room Level proxy class.
+*
+*
+*/
+
+
+#ifndef CROOMLEVELPROXY_H
+#define CROOMLEVELPROXY_H
+
+// INCLUDES
+#include <e32base.h>
+#include <RoomLevelBase.h>
+#include <mmf/common/mmfcontrollerframework.h>
+#include <CustomCommandUtility.h>
+#include "RoomLevelMessageTypes.h"
+#include <MRoomLevelObserver.h>
+#include <MAudioEffectObserver.h>
+
+// FORWARD DECLARATION
+class CRoomLevelEventObserver;
+//class CEnvironmentalReverbProxy;
+
+// CLASS DECLARATION
+
+/**
+*  Interface class to be implemented by objects that receives callbacks from Room Level Event Observer.
+*
+*  @since 3.0
+*/
+class MRoomLevelCallback
+    {
+    public:
+
+        /**
+        * Invoked by the RoomLevel Event Observer when the RoomLevel object changes state
+        * @since 3.0
+        * @param aBuffer Buffer containing the RoomLevel data
+        */
+        virtual void RoomLevelEvent( const TDesC8& aDataPckg ) = 0;
+
+    };
+
+/**
+*  This is the RoomLevel effect proxy class responsible for handling framework messages.
+*
+*  @lib RoomLevelProxy.lib
+*  @since 3.0
+*/
+
+class CRoomLevelProxy : public CRoomLevel,
+					    public MRoomLevelCallback
+	{
+	public:		// Constructors and destructor
+
+	    /**
+        *
+        * Factory function for creating the RoomLevel proxy object.
+        * @since 3.0
+        * @param aMessageHandler reference to message handler
+        * @param aCustomCommand reference to custom command utility
+        * @return	pointer to a RoomLevel proxy object
+        */
+		IMPORT_C static CRoomLevelProxy* NewL( TMMFMessageDestinationPckg aMessageHandler,
+                     						        	 MCustomCommand& aCustomCommand,
+                      						        	 CCustomInterfaceUtility* aCustomInterfaceUtility );
+		/**
+        *
+        * Destructor
+        */
+		virtual ~CRoomLevelProxy();
+
+	public: // functions from base class
+
+		/**
+		* From CAudioEffect
+        * Apply effect settings
+        * @since 3.0
+        */
+		IMPORT_C virtual void ApplyL();
+
+
+	public: // functions from MRoomLevelCallback
+
+		/**
+		* From MRoomLevelCallback
+        * Changes to RoomLevel data has occured
+        * @since 3.0
+        * @param aBuffer Buffer containing serialized RoomLevel data
+        */
+		void RoomLevelEvent( const TDesC8& aDataPckg );
+
+
+		/**
+		* Set reverb unique ID
+        *
+        * @since 3.0
+        * @param aReverb A reference to the client reverb object
+        */
+		virtual TInt AttachReverb(CEnvironmentalReverb& aReverb);
+
+		/**
+		* Delete related message handler and custom interface
+        *
+        * @since 3.0
+        * @param aReverb A reference to the client reverb object
+        */
+		virtual TInt DettachReverb(CEnvironmentalReverb& aReverb);
+
+
+
+	private:
+
+		/**
+		* Private C++ constructor for this class.
+        * @since	3.0
+        * @param aMessageHandler reference to message handler
+        * @param aCustomCommand reference to custom command utility
+        * @return	-
+        */
+		CRoomLevelProxy(TMMFMessageDestinationPckg aMessageHandler, MCustomCommand& aCustomCommand,
+					         	  CCustomInterfaceUtility* aCustomInterfaceUtility);
+
+		/**
+		* Second phase constructor for this class.
+        * @since	3.0
+        * @return -
+        */
+		void ConstructL();
+
+		/**
+		* Start the active observer.
+        * @since	3.0
+		* @param -
+        * @return -
+        */
+        void StartObserver();
+
+
+
+	private:
+
+		// Pointer to custom command utility
+		MCustomCommand* iCustomCommand;
+		// Message handler handle
+		TMMFMessageDestinationPckg iMessageHandler;
+	 	// RoomLevel Event Observer
+		CRoomLevelEventObserver* iRoomLevelEventObserver;
+		// Pointer to the custom interface utility
+    	CCustomInterfaceUtility* iCustomInterfaceUtility;
+
+	};
+
+#endif	// of CROOMLEVELPROXY_H
+
+// End of File