radioapp/radiouiengine/src/radiocarouselmodel.cpp
changeset 24 6df133bd92e1
parent 19 afea38384506
equal deleted inserted replaced
23:a2b50a479edf 24:6df133bd92e1
       
     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:
       
    15 *
       
    16 */
       
    17 
       
    18 // System includes
       
    19 
       
    20 // User includes
       
    21 #include "radiocarouselmodel.h"
       
    22 #include "radiocarouselmodel_p.h"
       
    23 #include "radiostationmodel.h"
       
    24 #include "radiouiengine.h"
       
    25 #include "radiostation.h"
       
    26 #include "radio_global.h"
       
    27 #include "radiologger.h"
       
    28 
       
    29 /*!
       
    30  *
       
    31  */
       
    32 RadioCarouselModel::RadioCarouselModel( RadioUiEngine& uiEngine, RadioStationModel& stationModel ) :
       
    33     QAbstractListModel( &uiEngine ),
       
    34     d_ptr( new RadioCarouselModelPrivate( this, uiEngine, stationModel ) )
       
    35 {
       
    36     connectAndTest( &stationModel, SIGNAL(dataChanged(QModelIndex,QModelIndex)),
       
    37                     this,          SIGNAL(dataChanged(QModelIndex,QModelIndex)) );
       
    38     connectAndTest( &stationModel, SIGNAL(layoutAboutToBeChanged()),
       
    39                     this,          SIGNAL(layoutAboutToBeChanged()) );
       
    40     connectAndTest( &stationModel, SIGNAL(layoutChanged()),
       
    41                     this,          SIGNAL(layoutChanged()) );
       
    42     connectAndTest( &stationModel, SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)),
       
    43                     this,          SIGNAL(rowsAboutToBeInserted(QModelIndex,int,int)) );
       
    44     connectAndTest( &stationModel, SIGNAL(rowsInserted(QModelIndex,int,int)),
       
    45                     this,          SIGNAL(rowsInserted(QModelIndex,int,int)) );
       
    46     connectAndTest( &stationModel, SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
       
    47                     this,          SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)) );
       
    48     connectAndTest( &stationModel, SIGNAL(rowsRemoved(QModelIndex,int,int)),
       
    49                     this,          SIGNAL(rowsRemoved(QModelIndex,int,int)) );
       
    50     connectAndTest( &stationModel, SIGNAL(modelAboutToBeReset()),
       
    51                     this,          SIGNAL(modelAboutToBeReset()) );
       
    52     connectAndTest( &stationModel, SIGNAL(modelReset()),
       
    53                     this,          SIGNAL(modelReset()) );
       
    54 
       
    55 //    connectAndTest( model(),        SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
       
    56 //                    this,           SLOT(removeFrequency(QModelIndex,int,int)) );
       
    57 }
       
    58 
       
    59 /*!
       
    60  *
       
    61  */
       
    62 RadioCarouselModel::~RadioCarouselModel()
       
    63 {
       
    64     delete d_ptr;
       
    65 }
       
    66 
       
    67 /*!
       
    68  * \reimp
       
    69  */
       
    70 int RadioCarouselModel::rowCount( const QModelIndex& parent ) const
       
    71 {
       
    72     Q_UNUSED( parent );
       
    73     Q_D( const RadioCarouselModel );
       
    74     const int rowCount = d->mStationModel.rowCount();
       
    75     if ( rowCount == 0 ) {
       
    76         return 1;
       
    77     }
       
    78     return rowCount;
       
    79 }
       
    80 
       
    81 /*!
       
    82  * \reimp
       
    83  */
       
    84 QVariant RadioCarouselModel::data( const QModelIndex& index, int role ) const
       
    85 {
       
    86     if ( !index.isValid() ) {
       
    87         return QVariant();
       
    88     }
       
    89 
       
    90     Q_D( const RadioCarouselModel );
       
    91     if ( role == RadioStationModel::RadioStationRole ) {
       
    92         const int rowCount = d->mStationModel.rowCount();
       
    93         if ( rowCount == 0 ) {
       
    94             QVariant variant;
       
    95             variant.setValue( d->mStationModel.currentStation() );
       
    96             return variant;
       
    97         } else {
       
    98             return d->mStationModel.data( index, role );
       
    99         }
       
   100     }
       
   101 
       
   102     return QVariant();
       
   103 }
       
   104 
       
   105 /*!
       
   106  * Finds the closest station from the given frequency
       
   107  */
       
   108 RadioStation RadioCarouselModel::findClosest( const uint frequency, StationSkip::Mode mode )
       
   109 {
       
   110     Q_D( RadioCarouselModel );
       
   111     return d->mStationModel.findClosest( frequency, mode );
       
   112 }
       
   113 
       
   114 /*!
       
   115  * Returns the model index corresponding to the given frequency
       
   116  */
       
   117 QModelIndex RadioCarouselModel::modelIndexFromFrequency( uint frequency )
       
   118 {
       
   119     Q_D( RadioCarouselModel );
       
   120     if ( d->mStationModel.rowCount() == 0 ) {
       
   121         return index( 0, 0 );
       
   122     } else {
       
   123         RadioStation station;
       
   124         if ( d->mStationModel.findFrequency( frequency, station ) ) {
       
   125             return index( d->mStationModel.findPresetIndex( station.presetIndex() ), 0 );
       
   126         }
       
   127     }
       
   128 
       
   129     return QModelIndex();
       
   130 }
       
   131 
       
   132 /*!
       
   133  * \reimp
       
   134  */
       
   135 void RadioCarouselModel::removeFrequency( const QModelIndex& parent, int first, int last )
       
   136 {
       
   137     Q_UNUSED( parent );
       
   138     Q_UNUSED( first );
       
   139     Q_UNUSED( last );
       
   140 }