/*

* 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: Music Player Settings view - audio settings.

*

*/

// System includes

#include <hbslider.h>

#include <hbstackedlayout.h>

#include <hbdataformmodel.h>

// User includes

#include "mpsettingsaudioeffectswidget.h"

#include "mpenginefactory.h"

#include "mptrace.h"

/*!

    \class MpSettingsAudioEffectsWidget

    \brief This class to set up UI widgets for audio effect settings view.

    Audio Effects widgets allow user to configure settings for Dolby,

    Balance and Loudness.

*/

/*!

    Constructs a new MpSettingsAudioEffectsWidget with \a parent.

*/

MpSettingsAudioEffectsWidget::MpSettingsAudioEffectsWidget( QGraphicsItem *parent  )

    : HbWidget( parent ),

      mMpEngine( 0 )

{

    TX_LOG

}

/*!

    Destructs the widget.

 */

MpSettingsAudioEffectsWidget::~MpSettingsAudioEffectsWidget()

{

    delete mModel;

    TX_LOG

}

/*!

    Initialize the widget.

*/

void MpSettingsAudioEffectsWidget::initialize()

{

    TX_ENTRY

    mMpEngine = MpEngineFactory::sharedEngine();

    //create data form

    HbDataForm *dataForm = new HbDataForm();

    //create a model class

    mModel = new HbDataFormModel();

    HbDataFormModelItem * slider;

    HbDataFormModelItem *loudnessItem;

    slider = mModel->appendDataFormItem( HbDataFormModelItem::SliderItem, hbTrId( "txt_mus_setlabel_balance" ), mModel->invisibleRootItem() );

    loudnessItem = mModel->appendDataFormItem( HbDataFormModelItem::ToggleValueItem, hbTrId( "txt_mus_setlabel_loudness" ), mModel->invisibleRootItem() );

    slider->setContentWidgetData( QString( "minimum" ),-100 );

    slider->setContentWidgetData( QString( "maximum" ),100 );

    slider->setContentWidgetData( QString( "majorTickInterval" ),100 );

    slider->setContentWidgetData( QString( "minorTickInterval" ),25 );

    slider->setContentWidgetData( QString( "singleStep" ),25 );

    slider->setContentWidgetData( QString( "toolTipVisible" ), false );

    slider->setContentWidgetData( QString( "tickPosition" ), Hb::SliderTicksRight );

    slider->setContentWidgetData( QString( "sliderPosition" ),mMpEngine->balance() );

    slider->setContentWidgetData( QString( "trackFilled" ), false );

    if ( mMpEngine->loudness() == true ) {

        loudnessItem->setContentWidgetData( QString( "text" ), hbTrId( "txt_mus_setlabel_loudness_val_on" ) );

        loudnessItem->setContentWidgetData( QString( "additionalText" ), hbTrId( "txt_mus_setlabel_loudness_val_off" ) );

    }

    else {

        loudnessItem->setContentWidgetData( QString( "text" ), hbTrId( "txt_mus_setlabel_loudness_val_off" ) );

        loudnessItem->setContentWidgetData( QString( "additionalText" ), hbTrId( "txt_mus_setlabel_loudness_val_on" ) );

    }

    dataForm->setModel( mModel );

    dataForm->setParentItem( this );

    HbStackedLayout *mylayout;

    mylayout = new HbStackedLayout( this );

    mylayout->setContentsMargins( 0.0, 0.0, 0.0, 0.0  );

    mylayout->setMinimumSize( 0.0, 0.0  );

    mylayout->addItem( dataForm  );

    setLayout( mylayout  );

    dataForm->addConnection( slider, SIGNAL( valueChanged( int  ) ),

            mMpEngine, SLOT( setBalance( int  ) ) );

    connect( mModel, SIGNAL( dataChanged( QModelIndex, QModelIndex ) ), this, SLOT( filterSignals( QModelIndex, QModelIndex ) ) );

    TX_EXIT

}

void  MpSettingsAudioEffectsWidget::filterSignals( QModelIndex startIn, QModelIndex endIn )

{

    Q_UNUSED( endIn );

    HbDataFormModelItem *itm = mModel->itemFromIndex( startIn );

    if ( itm->type() == HbDataFormModelItem::ToggleValueItem ) {

        if( itm->data( HbDataFormModelItem::LabelRole ).toString() == hbTrId( "txt_mus_setlabel_loudness" ) ) {

            if( itm->contentWidgetData( QString( "text" ) ).toString() == hbTrId( "txt_mus_setlabel_loudness_val_on" ) ) {

                mMpEngine->setLoudness( true );

            }

            else if( itm->contentWidgetData( QString( "text" ) ).toString() == hbTrId( "txt_mus_setlabel_loudness_val_off" ) ) {

                mMpEngine->setLoudness( false );

            }

            else {

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

            }

        }

    }

}