/*

* Copyright (c) 2002-2007 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:  This class is used for setting volume to audio player

*

*/

#include <logger.h>

#include "cmmaaudiovolumecontrol.h"

#include "cmmaaudioplayer.h"

CMMAAudioVolumeControl::CMMAAudioVolumeControl(CMMAAudioPlayer* aPlayer)

        : CMMAVolumeControl(aPlayer),

        iAudioPlayDeviceCommands(aPlayer->Controller())

{

}

void CMMAAudioVolumeControl::ConstructL()

{

    ConstructBaseL();

}

EXPORT_C CMMAAudioVolumeControl* CMMAAudioVolumeControl::NewL(CMMAAudioPlayer* aPlayer)

{

    CMMAAudioVolumeControl* self = new(ELeave)CMMAAudioVolumeControl(aPlayer);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop();

    return self;

}

void CMMAAudioVolumeControl::DoSetLevelL(TInt aLevel)

{

    TInt maxVolume = 0;

    User::LeaveIfError(iAudioPlayDeviceCommands.GetMaxVolume(maxVolume));

    // aLevel is the desired volume in range 0..100

    User::LeaveIfError(iAudioPlayDeviceCommands.SetVolume(

                           aLevel * maxVolume / KMMAVolumeMaxLevel));

}

TInt CMMAAudioVolumeControl::DoGetLevelL()

{

    TInt maxVolume = 0;

    User::LeaveIfError(iAudioPlayDeviceCommands.GetMaxVolume(maxVolume));

    __ASSERT_DEBUG(maxVolume != 0, User::Invariant());

    TInt volume = 0;

    User::LeaveIfError(iAudioPlayDeviceCommands.GetVolume(volume));

    // result is in range 0..100

    return (volume * KMMAVolumeMaxLevel / maxVolume);

}

//  END OF FILE