/*

* Copyright (c) 2008 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:  Implementation of CDevSoundIf

*

*/

// Version : %version: 5 %

// INCLUDE FILES

#include <mmf/server/sounddevice.h>

#include <devsoundif.h>

#include "playbackhelper_log.h"

// CONSTANTS

const TInt KTenStepsVolume = 10;

const TInt KTwentyStepsVolume = 20;

// ============================ MEMBER FUNCTIONS ===================================================

// -------------------------------------------------------------------------------------------------

// CDevSoundIf::CDevSoundIf

// C++ default constructor can NOT contain any code, that might leave.

// -------------------------------------------------------------------------------------------------

//

CDevSoundIf::CDevSoundIf()

{

    PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::CDevSoundIf()"));

}

// -------------------------------------------------------------------------------------------------

// CDevSoundIf::ConstructL

// Symbian 2nd phase constructor can leave.

// -------------------------------------------------------------------------------------------------

//

void CDevSoundIf::ConstructL()

{

    PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::ConstructL()"));

    iDevSound = CMMFDevSound::NewL();

}

// -------------------------------------------------------------------------------------------------

// CDevSoundIf::NewL

// Two-phased constructor.

// -------------------------------------------------------------------------------------------------

//

EXPORT_C CDevSoundIf* CDevSoundIf::NewL()

{

    PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::NewL()"));

    CDevSoundIf* self = new( ELeave ) CDevSoundIf;

    CleanupStack::PushL( self );

    self->ConstructL();

    CleanupStack::Pop();

    return self;

}

// -------------------------------------------------------------------------------------------------

// CDevSoundIf::~CDevSoundIf

// Destructor

// -------------------------------------------------------------------------------------------------

//

EXPORT_C CDevSoundIf::~CDevSoundIf()

{

    PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::~CDevSoundIf()"));

    if ( iDevSound ) 

    {

        delete iDevSound;

    }

}

// -------------------------------------------------------------------------------------------------

// CDevSoundIf::GetNumberOfVolumeSteps

// -------------------------------------------------------------------------------------------------

//

EXPORT_C TInt CDevSoundIf::GetNumberOfVolumeSteps()

{

    // 

    // set default 10-steps volume

    //

    TInt volumeSteps = KTenStepsVolume;

    if ( iDevSound && 

         iDevSound->MaxVolume() >= KTwentyStepsVolume ) 

    {

        //

        // set 20-steps volume

        //

        volumeSteps = KTwentyStepsVolume;

    }	 

    PLAYBACKHELPER_DEBUG(_L("CDevSoundIf::GetNumberOfVolumeSteps() returns [%d]"), volumeSteps);

    return volumeSteps;

}

//  End of File