/*

* 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:

*

*/

// System includes

// User includes

#include "radiocarouselmodel.h"

#include "radiocarouselmodel_p.h"

#include "radiostationmodel.h"

#include "radiouiengine.h"

#include "radiostation.h"

#include "radio_global.h"

#include "radiologger.h"

/*!

 *

 */

RadioCarouselModel::RadioCarouselModel( RadioUiEngine& uiEngine, RadioStationModel& stationModel ) :

    QAbstractListModel( &uiEngine ),

    d_ptr( new RadioCarouselModelPrivate( this, uiEngine, stationModel ) )

{

    connectAndTest( &stationModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)),

                    this,          SIGNAL(dataChanged(QModelIndex,QModelIndex)) );

    connectAndTest( &stationModel, SIGNAL(layoutAboutToBeChanged()),

                    this,          SIGNAL(layoutAboutToBeChanged()) );

    connectAndTest( &stationModel, SIGNAL(layoutChanged()),

                    this,          SIGNAL(layoutChanged()) );

    connectAndTest( &stationModel, SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)),

                    this,          SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)) );

    connectAndTest( &stationModel, SIGNAL(rowsInserted(QModelIndex,int,int)),

                    this,          SIGNAL(rowsInserted(QModelIndex,int,int)) );

    connectAndTest( &stationModel, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),

                    this,          SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)) );

    connectAndTest( &stationModel, SIGNAL(rowsRemoved(QModelIndex,int,int)),

                    this,          SIGNAL(rowsRemoved(QModelIndex,int,int)) );

    connectAndTest( &stationModel, SIGNAL(modelAboutToBeReset()),

                    this,          SIGNAL(modelAboutToBeReset()) );

    connectAndTest( &stationModel, SIGNAL(modelReset()),

                    this,          SIGNAL(modelReset()) );

//    connectAndTest( model(),        SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),

//                    this,           SLOT(removeFrequency(QModelIndex,int,int)) );

}

/*!

 *

 */

RadioCarouselModel::~RadioCarouselModel()

{

    delete d_ptr;

}

/*!

 * \reimp

 */

int RadioCarouselModel::rowCount( const QModelIndex& parent ) const

{

    Q_UNUSED( parent );

    Q_D( const RadioCarouselModel );

    const int rowCount = d->mStationModel.rowCount();

    if ( rowCount == 0 ) {

        return 1;

    }

    return rowCount;

}

/*!

 * \reimp

 */

QVariant RadioCarouselModel::data( const QModelIndex& index, int role ) const

{

    if ( !index.isValid() ) {

        return QVariant();

    }

    Q_D( const RadioCarouselModel );

    if ( role == RadioStationModel::RadioStationRole ) {

        const int rowCount = d->mStationModel.rowCount();

        if ( rowCount == 0 ) {

            QVariant variant;

            variant.setValue( d->mStationModel.currentStation() );

            return variant;

        } else {

            return d->mStationModel.data( index, role );

        }

    }

    return QVariant();

}

/*!

 * Finds the closest station from the given frequency

 */

RadioStation RadioCarouselModel::findClosest( const uint frequency, StationSkip::Mode mode )

{

    Q_D( RadioCarouselModel );

    return d->mStationModel.findClosest( frequency, mode );

}

/*!

 * Returns the model index corresponding to the given frequency

 */

QModelIndex RadioCarouselModel::modelIndexFromFrequency( uint frequency )

{

    Q_D( RadioCarouselModel );

    if ( d->mStationModel.rowCount() == 0 ) {

        return index( 0, 0 );

    } else {

        RadioStation station;

        if ( d->mStationModel.findFrequency( frequency, station ) ) {

            return index( d->mStationModel.findPresetIndex( station.presetIndex() ), 0 );

        }

    }

    return QModelIndex();

}

/*!

 * \reimp

 */

void RadioCarouselModel::removeFrequency( const QModelIndex& parent, int first, int last )

{

    Q_UNUSED( parent );

    Q_UNUSED( first );

    Q_UNUSED( last );

}