/*

 * Copyright (c) 2004-2009 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 MLOGICALSETTINGOBSERVER_H

 #define MLOGICALSETTINGOBSERVER_H

 #include "mlogicalchain.h"

 /**

  * An interface to a set of logical audio processing unit callbacks

  * 

  * This serves as the method of communication between the context and the logical audio processing units.

  *

  * The class is a mixin and is intended to be inherited by the context class that is

  * interested in observing the audio processing unit settings changes. 

  * 

  */

  class MLogicalSettingObserver

 	{

 public:

 	virtual void ReceiveComponentSettingsChange(TUid aId, TMMRCMessageType aMessageType) = 0;

 	};

 #endif // MLOGICALSETTINGOBSERVER_H