/*

* Copyright (c) 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: Framework wraper for Audio Settings - Private.

*

*/

#include <mpxplaybackutility.h>

#include "mpmpxasframeworkwrapper_p.h"

#include "mpxaudioeffectengine.h"

#include "mpcommondefs.h"

#include "mptrace.h"

/*!

    \class MpMpxAsFrameworkWrapperPrivate

    \brief Wrapper for mpx framework utilities - private implementation.

    This is a private implementation of the mpx framework wrapper utilties interface.

*/

/*!

 \internal

 */

MpMpxAsFrameworkWrapperPrivate::MpMpxAsFrameworkWrapperPrivate()

    :iPlaybackUtility( 0 ),

     iAudioEffectProperties( new CMPXAudioEffectProperties() )

{

}

/*!

 \internal

 */

MpMpxAsFrameworkWrapperPrivate::~MpMpxAsFrameworkWrapperPrivate()

{

    if( iPlaybackUtility )

        {

        iPlaybackUtility->Close();

        }

    delete iAudioEffectProperties;

}

/*!

 \internal

 */

void MpMpxAsFrameworkWrapperPrivate::init()

{

    TRAPD( err, doInitL() );

    if ( err != KErrNone ) 

        {

        TX_LOG_ARGS( "Error: " << err << "; should never get here." );

        }

}

/*!

 \internal

 */

void MpMpxAsFrameworkWrapperPrivate::setBalance( int balance )

{

    TRAPD( err, doSetBalanceL( balance ) );

    if ( err != KErrNone ) 

        {

        TX_LOG_ARGS( "Error: " << err << "; should never get here." );

        }

}

/*!

 \internal

 */

void MpMpxAsFrameworkWrapperPrivate::setLoudness( bool mode )

{

    TRAPD( err, doSetLoudnessL( mode ) );

    if ( err != KErrNone ) 

        {

        TX_LOG_ARGS( "Error: " << err << "; should never get here." );

        }

}

/*!

 \internal

 */

int MpMpxAsFrameworkWrapperPrivate::balance()

{

    int ret = 0;

    TRAPD( err, ret = balanceL() );

    if ( err != KErrNone ) 

        {

        TX_LOG_ARGS( "Error: " << err << "; should never get here." );

        return 0;

        }   

    return ret;

}

/*!

 \internal

 */

bool MpMpxAsFrameworkWrapperPrivate::loudness()

{

    bool ret = true;

    TRAPD( err, ret = loudnessL() );

    if ( err != KErrNone ) 

        {

        TX_LOG_ARGS( "Error: " << err << "; should never get here." );

        return false;

        }   

    return ret;

}

/*!

 \internal

 */

void MpMpxAsFrameworkWrapperPrivate::doInitL()

{

    TRAPD( err, iAudioEffectProperties->LoadFromFileL() );

    if( KErrNone != err )

        {

        iAudioEffectProperties->Reset();

        User::Leave( err );

        }

}

/*!

 \internal

 */

void MpMpxAsFrameworkWrapperPrivate::doSetBalanceL( int balance )

{

    iAudioEffectProperties->SetBalance( balance );

    iAudioEffectProperties->SaveToFileL();

    if ( !iPlaybackUtility ) 

        {

        iPlaybackUtility = MMPXPlaybackUtility::UtilityL( TUid::Uid( MpCommon::KMusicPlayerUid ) ) ;

        }

   iPlaybackUtility ->SetL( EPbPropertyBalance, balance );

}

/*!

 \internal

 */

void MpMpxAsFrameworkWrapperPrivate::doSetLoudnessL( bool mode )

{

    if( loudnessL() != mode )  //do not set same value twice

        {

        iAudioEffectProperties->SetLoudness( mode );

        iAudioEffectProperties->SaveToFileL();

        if ( !iPlaybackUtility ) 

            {

            iPlaybackUtility = MMPXPlaybackUtility::UtilityL( TUid::Uid( MpCommon::KMusicPlayerUid ) ) ;

            }

        iPlaybackUtility->CommandL( EPbApplyEffect, KAudioEffectsID );

        }

}

/*!

 \internal

 */

int MpMpxAsFrameworkWrapperPrivate::balanceL()

{

    return iAudioEffectProperties->Balance();

}

/*!

 \internal

 */

bool MpMpxAsFrameworkWrapperPrivate::loudnessL()

{

    return iAudioEffectProperties->Loudness();

}