// 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