bluetoothappprofiles/avrcp/absolutevolumeapi/public/absolutevolumeapicontrollerobserver.h
// 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_*/