// Copyright (c) 2008-2009 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:

//

/**

 @file

 @publishedAll

 @released

*/

#ifndef REMCONABSOLUTEVOLUMEAPICONTROLLEROBSERVER_H_

#define REMCONABSOLUTEVOLUMEAPICONTROLLEROBSERVER_H_

#include <e32base.h>

/**

Clients must implement this interface in order to instantiate objects of type 

CRemConAbsoluteVolumeController. This interface passes incoming responses 

from RemCon to the client.

*/

class MRemConAbsoluteVolumeControllerObserver

	{

public:

	/** 

	The current volume has been received.

	@param aVolume The current relative volume on the target device.

	@param aMaxVolume The maximum volume against which aVolume is relative.

	@param aError The response error.

	*/

	virtual void MrcavcoCurrentVolume(TUint32 aVolume, 

			TUint32 aMaxVolume, 

			TInt aError)=0;

	/**

	The response for setting absolute volume.

	@param aVolume The relative volume that has been set on the target device.

	@param aMaxVolume The maximum volume against which aVolume is relative.

	@param aError The response error.

	*/

	virtual void MrcavcoSetAbsoluteVolumeResponse(TUint32 aVolume, 

			TUint32 aMaxVolume, 

			TInt aError)=0;

	/**

	The error occurs for absolute volume notification. 

	When this is called, the client must call

	RegisterAbsoluteVolumeNotification() to register again if the client 

	wants to receive the notification.

	*/

	virtual void MrcavcoAbsoluteVolumeNotificationError() = 0;

	};

#endif /*REMCONABSOLUTEVOLUMEAPICONTROLLEROBSERVER_H_*/