1 /*

     2 * Copyright ( c ) 2009 Nokia Corporation and/or its subsidiary( -ies ).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: Music Player audio effect view.

    15 *

    16 */

    17 

    18 // System includes

    19 #include <hbslider.h>

    20 #include <hbstackedlayout.h>

    21 #include <hbdataformmodel.h>

    22 

    23 // User includes

    24 #include "mpsettingsaudioeffectswidget.h"

    25 #include "mpmpxasframeworkwrapper.h"

    26 #include "mptrace.h"

    27 

    28 

    29 

    30 /*!

    31     \class MpSettingsAudioEffectsWidget

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

    33 

    34     Audio Effects widgets allow user to configure settings for Dolby,

    35     Balance and Loudness.

    36 

    37 */

    38 

    39 

    40 /*!

    41     Constructs a new MpSettingsAudioEffectsWidget with \a parent.

    42 */

    43 MpSettingsAudioEffectsWidget::MpSettingsAudioEffectsWidget( QGraphicsItem *parent  )

    44     : HbWidget( parent ),

    45       mFrameworkWrapper( 0 )

    46 {

    47     TX_LOG

    48 }

    49 

    50 /*!

    51     Destructs the widget.

    52  */

    53 MpSettingsAudioEffectsWidget::~MpSettingsAudioEffectsWidget()

    54 {

    55     delete mFrameworkWrapper;

    56     delete mModel;

    57     TX_LOG

    58 }

    59 

    60 /*!

    61     Initialize the widget.

    62 */

    63 void MpSettingsAudioEffectsWidget::initialize()

    64 {

    65     TX_ENTRY

    66 

    67     mFrameworkWrapper = new MpMpxAsFrameworkWrapper();

    68 

    69     //create data form

    70     HbDataForm *dataForm = new HbDataForm();

    71 

    72     //create a model class

    73     mModel = new HbDataFormModel();

    74     HbDataFormModelItem * slider;

    75     HbDataFormModelItem *loudnessItem;

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

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

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

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

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

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

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

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

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

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

    86     if ( mFrameworkWrapper->loudness() == true ) {

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

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

    89     }

    90     else {

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

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

    93     }

    94 

    95     dataForm->setModel( mModel );

    96     dataForm->setParentItem( this );

    97     HbStackedLayout *mylayout;

    98     mylayout = new HbStackedLayout( this );

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

   100     mylayout->setMinimumSize( 0.0, 0.0  );

   101     mylayout->addItem( dataForm  );

   102     setLayout( mylayout  );

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

   104             mFrameworkWrapper, SLOT( setBalance( int  ) ) );

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

   106 

   107     TX_EXIT

   108 }

   109 

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

   111 {

   112     Q_UNUSED( endIn );

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

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

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

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

   117                 mFrameworkWrapper->setLoudness( true );

   118             }

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

   120                 mFrameworkWrapper->setLoudness( false );

   121             }

   122             else {

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

   124             }

   125         }

   126     }

   127 }

   128 

   129