diff -r 000000000000 -r bde4ae8d615e os/mm/mm_plat/audio_effects_proxy_api/inc/LoudnessProxy.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/os/mm/mm_plat/audio_effects_proxy_api/inc/LoudnessProxy.h	Fri Jun 15 03:10:57 2012 +0200
@@ -0,0 +1,147 @@
+/*
+* 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 Loudness proxy class.
+*
+*
+*/
+
+
+#ifndef CLOUDNESSPROXY_H
+#define CLOUDNESSPROXY_H
+
+// INCLUDES
+
+#include <e32base.h>
+#include <LoudnessBase.h>
+#include <mmf/common/mmfcontrollerframework.h>
+#include <CustomCommandUtility.h>
+#include "LoudnessMessageTypes.h"
+#include <MLoudnessObserver.h>
+
+// FORWARD DECLARATION
+class CLoudnessEventObserver;
+
+// CLASS DECLARATION
+
+/**
+*  Interface class to be implemented by objects that receives callbacks from Loudness Event Observer.
+*
+*  @since 3.0
+*/
+class MLoudnessCallback
+    {
+    public:
+
+        /**
+        * Invoked by the Loudness Event Observer when the Loudness object changes state
+        * @since 3.0
+        * @param aBuffer Buffer containing the Loudness data
+        */
+        virtual void LoudnessEvent( const TDesC8& aDataPckg ) = 0;
+
+    };
+
+/**
+*  This is the Loudness effect proxy class responsible for handling framework messages.
+*
+*  @lib LoudnessProxy.lib
+*  @since 3.0
+*/
+
+class CLoudnessProxy : public CLoudness,
+					         public MLoudnessCallback
+	{
+	public:		// Constructors and destructor
+
+	    /**
+        *
+        * Factory function for creating the Loudness proxy object.
+        * @since 3.0
+        * @param aMessageHandler reference to message handler
+        * @param aCustomCommand reference to custom command utility
+        * @return	pointer to a Loudness proxy object
+        */
+		IMPORT_C static CLoudnessProxy* NewL( TMMFMessageDestinationPckg aMessageHandler,
+                     						        MCustomCommand& aCustomCommand,
+                      						        CCustomInterfaceUtility* aCustomInterfaceUtility );
+		/**
+        *
+        * Destructor
+        */
+		virtual ~CLoudnessProxy();
+
+	public: // functions from base class
+
+		/**
+		* From CAudioEffect
+        * Apply effect settings
+        * @since 3.0
+        */
+		IMPORT_C virtual void ApplyL();
+
+	public: // functions from MLoudnessCallback
+
+		/**
+		* From MLoudnessCallback
+        * Changes to Loudness data has occured
+        * @since 3.0
+        * @param aBuffer Buffer containing serialized Loudness data
+        */
+		void LoudnessEvent( const TDesC8& aDataPckg );
+
+	private:
+
+		/**
+		* Private C++ constructor for this class.
+        * @since	3.0
+        * @param aMessageHandler reference to message handler
+        * @param aCustomCommand reference to custom command utility
+        * @return	-
+        */
+		CLoudnessProxy(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;
+	 	// Loudness Event Observer
+		CLoudnessEventObserver* iLoudnessEventObserver;
+		// Pointer to the custom interface utility
+    	CCustomInterfaceUtility* iCustomInterfaceUtility;
+
+
+
+	};
+
+#endif	// of CLOUDNESSPROXY_H
+
+// End of File