// Copyright (c) 2007-2009 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 MDEVSOUNDADAPTATIONINFOOBSERVER_H

 #define MDEVSOUNDADAPTATIONINFOOBSERVER_H

 /**

 @publishedPartner

 @file

 @released

  */

 #include <e32base.h>

 #include <a3f/a3fbase.h>

 /**

  *  An interface to a set of A3FDevSoundAdaptationInfo callback functions.

  *

  *  This serves as the method of communication between the A3FDevSoundAdaptationInfo 

  *  and the client

  *

  */

 class MA3FDevSoundAdaptationInfoObserver

 	{

 public:

 	/**

 	* Notifies the observer of the max gain supported

 	*

 	* @param aCodecType the UID passed to the original RequestMaxGain() call

 	* @param aError an standard symbian error code. KErrNone if succesful

 	* @param aResult the supported MaxGain/MaxVolume value, if aError==KErrNone

 	*/

 	virtual void RequestMaxGainComplete (TUid aCodecType, TInt aError, TInt aResult)=0;

 	/**

 	* Notifies the observer that the max ramp time supported by the gain

 	* control has changed.

 	*

 	* @param aCodecType the UID passed to the original RequestSupportedForamts() call

 	* @param aError an standard symbian error code. KErrNone if succesful

 	*/

 	virtual void RequestSupportedFormatsComplete(TUid aCodecType, TInt aError)=0;

 	};

 #endif //MDEVSOUNDADAPTATIONINFOOBSERVER_H