radioapp/radiowidgets/src/radiostationcarousel.cpp
changeset 23 a2b50a479edf
parent 19 afea38384506
child 24 6df133bd92e1
equal deleted inserted replaced
19:afea38384506 23:a2b50a479edf
     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 #include <QGraphicsLinearLayout>
       
    20 #include <HbAnchorLayout>
       
    21 #include <QPixmap>
       
    22 #include <QGraphicsSceneMouseEvent>
       
    23 #include <HbEffect>
       
    24 #include <QTimer>
       
    25 #include <QTimeLine>
       
    26 #include <HbPanGesture>
       
    27 
       
    28 // User includes
       
    29 #include "radiostationcarousel.h"
       
    30 #include "radiouiloader.h"
       
    31 #include "radiostationitem.h"
       
    32 #include "radiostation.h"
       
    33 #include "radiouiengine.h"
       
    34 #include "radiostationmodel.h"
       
    35 #include "radiofadinglabel.h"
       
    36 #include "radiologger.h"
       
    37 #include "radiocarouselmodel.h"
       
    38 #include "radiouiutilities.h"
       
    39 #include "radio_global.h"
       
    40 
       
    41 #ifdef USE_LAYOUT_FROM_E_DRIVE
       
    42     const QString KFavoriteIconPath = "e:/radiotest/images/favoriteiconactive.png";
       
    43     const QString KNonFavoriteIconPath = "e:/radiotest/images/favoriteiconinactive.png";
       
    44 #else
       
    45     const QString KFavoriteIconPath = ":/images/favoriteiconactive.png";
       
    46     const QString KNonFavoriteIconPath = ":/images/favoriteiconinactive.png";
       
    47 #endif
       
    48 
       
    49 const int KRadioTextPlusCheckTimeout = 700; // 700 ms
       
    50 const int KFreqScrollDivider = 100000;
       
    51 const int INFOTEXT_NOFAVORITES_TIMEOUT = 15000;
       
    52 
       
    53 // ===============================================================
       
    54 //  Scanning helper
       
    55 // ===============================================================
       
    56 
       
    57 /*!
       
    58  *
       
    59  */
       
    60 ScanningHelper::ScanningHelper( RadioStationCarousel& carousel ) :
       
    61     mCarousel( carousel ),
       
    62     mCurrentFrequency( 0 ),
       
    63     mPreviousFrequency( 0 ),
       
    64     mStationItem( 0 ),
       
    65     mNumberScrollingTimeLine( new QTimeLine( 1000, this ) )
       
    66 {
       
    67     mNumberScrollingTimeLine->setCurveShape( QTimeLine::EaseInCurve );
       
    68     connectAndTest( mNumberScrollingTimeLine,  SIGNAL(finished()),
       
    69                     &mCarousel,                SIGNAL(scanAnimationFinished()) );
       
    70     connectAndTest( mNumberScrollingTimeLine,  SIGNAL(frameChanged(int)),
       
    71                     this,                      SLOT(numberScrollUpdate(int)) );
       
    72 }
       
    73 
       
    74 /*!
       
    75  *
       
    76  */
       
    77 void ScanningHelper::start()
       
    78 {
       
    79     QTimer::singleShot( 0, this, SLOT(startSlide()) );
       
    80 }
       
    81 
       
    82 /*!
       
    83  * Private slot
       
    84  */
       
    85 void ScanningHelper::startSlide()
       
    86 {
       
    87     mCarousel.scrollToIndex( mModelIndex, RadioStationCarousel::NoSignal );
       
    88     startNumberScroll();
       
    89 }
       
    90 
       
    91 /*!
       
    92  * Private slot
       
    93  */
       
    94 void ScanningHelper::startNumberScroll()
       
    95 {
       
    96     //TODO: Take italy case into account
       
    97     if ( mPreviousFrequency ) {
       
    98         mNumberScrollingTimeLine->setFrameRange( mPreviousFrequency / KFreqScrollDivider, mCurrentFrequency / KFreqScrollDivider );
       
    99         mNumberScrollingTimeLine->start();
       
   100     } else {
       
   101         emit mCarousel.scanAnimationFinished();
       
   102     }
       
   103 }
       
   104 
       
   105 /*!
       
   106  * Private slot
       
   107  */
       
   108 void ScanningHelper::numberScrollUpdate( int value )
       
   109 {
       
   110     if ( mStationItem ) {
       
   111         mStationItem->setFrequency( value * KFreqScrollDivider );
       
   112     }
       
   113 }
       
   114 
       
   115 // ===============================================================
       
   116 //  Carousel
       
   117 // ===============================================================
       
   118 
       
   119 /*!
       
   120  *
       
   121  */
       
   122 RadioStationCarousel::RadioStationCarousel( RadioUiEngine* uiEngine ) :
       
   123     HbGridView( 0 ),
       
   124     mUiEngine( uiEngine ),
       
   125     mAntennaAttached( false ),
       
   126     mAutoScrollTime( 300 ),
       
   127     mGenericTimer( new QTimer( this ) ),
       
   128     mTimerMode( NoTimer ),
       
   129     mScanningHelper( 0 ),
       
   130     mInfoText( 0 ),
       
   131     mCurrentItem( 0 ),
       
   132     mPanStartPos( 0 )
       
   133 #ifdef USE_DEBUGGING_CONTROLS
       
   134     ,mRdsLabel( new RadioFadingLabel( this ) )
       
   135 #endif // USE_DEBUGGING_CONTROLS
       
   136 {
       
   137     RadioUiUtilities::setCarousel( this );
       
   138     setClampingStyle( HbScrollArea::StrictClamping );
       
   139     setScrollingStyle( HbScrollArea::Pan );
       
   140 }
       
   141 
       
   142 /*!
       
   143  * Property
       
   144  *
       
   145  */
       
   146 void RadioStationCarousel::setFavoriteIcon( const HbIcon& favoriteIcon )
       
   147 {
       
   148     mFavoriteIcon = favoriteIcon;
       
   149 }
       
   150 
       
   151 /*!
       
   152  * Property
       
   153  *
       
   154  */
       
   155 HbIcon RadioStationCarousel::favoriteIcon() const
       
   156 {
       
   157     return mFavoriteIcon;
       
   158 }
       
   159 
       
   160 /*!
       
   161  * Property
       
   162  *
       
   163  */
       
   164 void RadioStationCarousel::setNonFavoriteIcon( const HbIcon& nonFavoriteIcon )
       
   165 {
       
   166     mNonFavoriteIcon = nonFavoriteIcon;
       
   167 }
       
   168 
       
   169 /*!
       
   170  * Property
       
   171  *
       
   172  */
       
   173 HbIcon RadioStationCarousel::nonFavoriteIcon() const
       
   174 {
       
   175     return mNonFavoriteIcon;
       
   176 }
       
   177 
       
   178 /*!
       
   179  *
       
   180  */
       
   181 void RadioStationCarousel::setAutoScrollTime( const int time )
       
   182 {
       
   183     mAutoScrollTime = time;
       
   184 }
       
   185 
       
   186 /*!
       
   187  *
       
   188  */
       
   189 int RadioStationCarousel::autoScrollTime() const
       
   190 {
       
   191     return mAutoScrollTime;
       
   192 }
       
   193 
       
   194 /*!
       
   195  *
       
   196  */
       
   197 void RadioStationCarousel::init( RadioUiLoader& uiLoader, RadioUiEngine* uiEngine )
       
   198 {
       
   199     mUiEngine = uiEngine;
       
   200     mAntennaAttached = mUiEngine->isAntennaAttached();
       
   201 
       
   202     mInfoText = uiLoader.findWidget<HbLabel>( DOCML::MV_NAME_INFO_TEXT );
       
   203     mInfoText->setTextWrapping( Hb::TextWordWrap );
       
   204 
       
   205     setRowCount( 1 );
       
   206     setColumnCount( 1 );
       
   207     setScrollDirections( Qt::Horizontal );
       
   208     setFrictionEnabled( true );
       
   209     setLongPressEnabled( false );
       
   210     setItemRecycling( false );
       
   211     setUniformItemSizes( true );
       
   212     setItemPrototype( new RadioStationItem( *this ) );
       
   213     setSelectionMode( NoSelection );
       
   214 
       
   215 //    grabGesture( Qt::PanGesture );
       
   216 
       
   217     RadioCarouselModel* carouselModel = mUiEngine->carouselModel();
       
   218     setCarouselModel( carouselModel );
       
   219 
       
   220     mCurrentItem = static_cast<RadioStationItem*>( itemByIndex( carouselModel->index( 0, 0 ) ) );
       
   221 
       
   222     RadioStationModel* stationModel = &mUiEngine->stationModel();
       
   223     connectAndTest( stationModel,   SIGNAL(favoriteChanged(RadioStation)),
       
   224                     this,           SLOT(update(RadioStation)) );
       
   225     connectAndTest( stationModel,   SIGNAL(stationDataChanged(RadioStation)),
       
   226                     this,           SLOT(update(RadioStation)));
       
   227     connectAndTest( stationModel,   SIGNAL(radioTextReceived(RadioStation)),
       
   228                     this,           SLOT(updateRadioText(RadioStation)));
       
   229     connectAndTest( stationModel,   SIGNAL(dynamicPsChanged(RadioStation)),
       
   230                     this,           SLOT(update(RadioStation)));
       
   231 
       
   232     updateClampingStyle();
       
   233 
       
   234     connectAndTest( this,           SIGNAL(longPressed(HbAbstractViewItem*,QPointF)),
       
   235                     this,           SLOT(openContextMenu(HbAbstractViewItem*,QPointF)) );
       
   236     setLongPressEnabled( true );
       
   237 
       
   238     mGenericTimer->setSingleShot( true );
       
   239     connectAndTest( mGenericTimer,  SIGNAL(timeout()),
       
   240                     this,           SLOT(timerFired()));
       
   241 
       
   242     initToLastTunedFrequency();
       
   243 
       
   244 #ifdef USE_DEBUGGING_CONTROLS
       
   245     mRdsLabel->setPos( QPoint( 300, 10 ) );
       
   246     mRdsLabel->setText( "RDS" );
       
   247     mRdsLabel->setElideMode( Qt::ElideNone );
       
   248     HbFontSpec spec = mRdsLabel->fontSpec();
       
   249     spec.setTextPaneHeight( 10 );
       
   250     spec.setRole( HbFontSpec::Secondary );
       
   251     mRdsLabel->setFontSpec( spec );
       
   252     mRdsLabel->setTextColor( Qt::gray );
       
   253     if ( mUiEngine ) {
       
   254         connectAndTest( mUiEngine,      SIGNAL(rdsAvailabilityChanged(bool)),
       
   255                         this,           SLOT(setRdsAvailable(bool)) );
       
   256     }
       
   257 #endif // USE_DEBUGGING_CONTROLS
       
   258 }
       
   259 
       
   260 /*!
       
   261  *
       
   262  */
       
   263 void RadioStationCarousel::setCarouselModel( RadioCarouselModel* carouselModel )
       
   264 {
       
   265     if ( carouselModel ) {
       
   266         connectAndTest( carouselModel,  SIGNAL(rowsInserted(QModelIndex,int,int)),
       
   267                         this,           SLOT(insertFrequency(QModelIndex,int,int)) );
       
   268         connectAndTest( carouselModel,  SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
       
   269                         this,           SLOT(prepareToRemoveFrequency(QModelIndex,int,int)) );
       
   270         connectAndTest( carouselModel,  SIGNAL(rowsRemoved(QModelIndex,int,int)),
       
   271                         this,           SLOT(removeFrequency(QModelIndex,int,int)) );
       
   272     } else {
       
   273         QAbstractItemModel* currentModel = model();
       
   274         disconnect( currentModel,   SIGNAL(rowsInserted(QModelIndex,int,int)),
       
   275                     this,           SLOT(insertFrequency(QModelIndex,int,int)) );
       
   276         disconnect( currentModel,   SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
       
   277                     this,           SLOT(prepareToRemoveFrequency(QModelIndex,int,int)) );
       
   278         disconnect( currentModel,   SIGNAL(rowsRemoved(QModelIndex,int,int)),
       
   279                     this,           SLOT(removeFrequency(QModelIndex,int,int)) );
       
   280     }
       
   281     setModel( carouselModel );
       
   282     updateFrequencies();
       
   283     initCurrentStationItem();
       
   284 }
       
   285 
       
   286 /*!
       
   287  *
       
   288  */
       
   289 void RadioStationCarousel::setFrequency( uint frequency, int reason )
       
   290 {
       
   291     RadioStationItem* item = currentStationItem();
       
   292 //    if ( item && item->mFrequency == frequency ) {
       
   293 //        return;
       
   294 //    }
       
   295 
       
   296     if ( mModelIndexes.contains( frequency ) ) {
       
   297         QModelIndex index = mModelIndexes.value( frequency );
       
   298 
       
   299         if ( reason == TuneReason::FrequencyStrip || reason == TuneReason::StationsList ) {
       
   300             scrollToIndex( index, RadioStationCarousel::NoAnim | RadioStationCarousel::NoSignal );
       
   301         } else if ( reason == TuneReason::Skip || reason == TuneReason::StationScan ) {
       
   302             scrollToIndex( index, RadioStationCarousel::NoSignal );
       
   303         } else {
       
   304             scrollToIndex( index );
       
   305         }
       
   306     } else {
       
   307         if ( item ) {
       
   308             item->setFrequency( frequency );
       
   309         }
       
   310     }
       
   311 }
       
   312 
       
   313 /*!
       
   314  *
       
   315  */
       
   316 RadioUiEngine* RadioStationCarousel::uiEngine()
       
   317 {
       
   318     return mUiEngine;
       
   319 }
       
   320 
       
   321 /*!
       
   322  *
       
   323  */
       
   324 bool RadioStationCarousel::isAntennaAttached() const
       
   325 {
       
   326     return mAntennaAttached;
       
   327 }
       
   328 
       
   329 /*!
       
   330  *
       
   331  */
       
   332 void RadioStationCarousel::setScanningMode( bool scanning )
       
   333 {
       
   334     initCurrentStationItem();
       
   335 
       
   336     if ( scanning ) {
       
   337 
       
   338         setInfoText( CarouselInfoText::Scanning );
       
   339         if ( !mScanningHelper ) {
       
   340             mScanningHelper = new ScanningHelper( *this );
       
   341         }
       
   342     } else {
       
   343         delete mScanningHelper;
       
   344         mScanningHelper = 0;
       
   345         clearInfoText();
       
   346     }
       
   347     setEnabled( !scanning );
       
   348 }
       
   349 
       
   350 /*!
       
   351  *
       
   352  */
       
   353 bool RadioStationCarousel::isInScanningMode() const
       
   354 {
       
   355     return RadioUiUtilities::isScannerAlive();
       
   356 }
       
   357 
       
   358 /*!
       
   359  *
       
   360  */
       
   361 void RadioStationCarousel::cleanRdsData()
       
   362 {
       
   363     RadioStationItem* item = currentStationItem();
       
   364     if ( item ) {
       
   365         item->cleanRdsData();
       
   366     }
       
   367 }
       
   368 
       
   369 /*!
       
   370  *
       
   371  */
       
   372 void RadioStationCarousel::updateCurrentItem()
       
   373 {
       
   374     RadioStationItem* item = currentStationItem();
       
   375     if ( item ) {
       
   376         item->update();
       
   377     }
       
   378 }
       
   379 
       
   380 /*!
       
   381  *
       
   382  */
       
   383 void RadioStationCarousel::animateNewStation( const RadioStation& station )
       
   384 {
       
   385     if ( mScanningHelper ) {
       
   386         RadioCarouselModel* model = carouselModel();
       
   387         const QModelIndex index = model->modelIndexFromFrequency( station.frequency() );
       
   388         mScanningHelper->mModelIndex = index;
       
   389         mScanningHelper->mCurrentFrequency = station.frequency();
       
   390         mScanningHelper->mStationItem = static_cast<RadioStationItem*>( itemByIndex( index ) );
       
   391 
       
   392         uint prevFrequency = 0;
       
   393         if ( model->rowCount() > 1 ) {
       
   394             const int prevIndex = index.row() - 1;
       
   395             RadioStation prevStation = model->data( model->index( prevIndex, 0 ), RadioStationModel::RadioStationRole ).value<RadioStation>();
       
   396             prevFrequency = prevStation.frequency();
       
   397         } else if ( mUiEngine ) {
       
   398             prevFrequency = mUiEngine->minFrequency();
       
   399         }
       
   400 
       
   401         mScanningHelper->mPreviousFrequency = prevFrequency;
       
   402         if ( mScanningHelper->mStationItem ) {
       
   403             mScanningHelper->mStationItem->setFrequency( prevFrequency );
       
   404             mScanningHelper->mStationItem->cleanRdsData();
       
   405         }
       
   406 
       
   407         mScanningHelper->start();
       
   408     }
       
   409 }
       
   410 
       
   411 /*!
       
   412  *
       
   413  */
       
   414 void RadioStationCarousel::setItemVisible( bool visible )
       
   415 {
       
   416     RadioStationItem* item = currentStationItem();
       
   417     if ( item ) {
       
   418         item->setVisible( visible );
       
   419     }
       
   420 }
       
   421 
       
   422 /*!
       
   423  *
       
   424  */
       
   425 void RadioStationCarousel::setInfoText( CarouselInfoText::Type type )
       
   426 {
       
   427     mInfoTextType = type;
       
   428     if ( type == CarouselInfoText::NoFavorites ) {
       
   429         mInfoText->setPlainText( hbTrId( "txt_rad_dialog_long_press_arrow_keys_to_search_str" ) );
       
   430         mInfoText->setAlignment( Qt::AlignCenter );
       
   431         setItemVisible( false );
       
   432         mTimerMode = InfoText;
       
   433         mGenericTimer->setInterval( INFOTEXT_NOFAVORITES_TIMEOUT );
       
   434         mGenericTimer->start();
       
   435     } else if ( type == CarouselInfoText::ConnectAntenna ) {
       
   436         cleanRdsData();
       
   437         mInfoText->setPlainText( hbTrId( "txt_rad_info_connect_wired_headset1" ) );
       
   438         mInfoText->setAlignment( Qt::AlignBottom | Qt::AlignHCenter );
       
   439     } else if ( type == CarouselInfoText::Seeking ) {
       
   440         cleanRdsData();
       
   441         mInfoText->setAlignment( Qt::AlignBottom | Qt::AlignHCenter );
       
   442         mInfoText->setPlainText( hbTrId( "txt_rad_list_seeking" ) );
       
   443     } else if ( type == CarouselInfoText::Scanning ) {
       
   444         cleanRdsData();
       
   445         mInfoText->setAlignment( Qt::AlignBottom | Qt::AlignHCenter );
       
   446         mInfoText->setPlainText( hbTrId( "txt_rad_list_searching_all_available_stations_ple" ) );
       
   447     }
       
   448 
       
   449     mInfoText->setVisible( true );
       
   450 }
       
   451 
       
   452 /*!
       
   453  *
       
   454  */
       
   455 void RadioStationCarousel::clearInfoText()
       
   456 {
       
   457     if ( mInfoTextType != CarouselInfoText::None ) {
       
   458         mGenericTimer->stop();
       
   459         mInfoTextType = CarouselInfoText::None;
       
   460         mInfoText->setVisible( false );
       
   461         mInfoText->clear();
       
   462         setItemVisible( true );
       
   463         updateCurrentItem();
       
   464     }
       
   465 }
       
   466 
       
   467 /*!
       
   468  * Private slot
       
   469  */
       
   470 void RadioStationCarousel::update( const RadioStation& station )
       
   471 {
       
   472     RadioStationItem* item = currentStationItem();
       
   473     if ( item && item->frequency() == station.frequency() && !isInScanningMode() ) {
       
   474         item->update( &station );
       
   475     }
       
   476 }
       
   477 
       
   478 /*!
       
   479  * Private slot
       
   480  */
       
   481 void RadioStationCarousel::updateRadioText( const RadioStation& station )
       
   482 {
       
   483     if ( isAntennaAttached() && !isInScanningMode() ) {
       
   484         if ( station.radioText().isEmpty() ) {
       
   485             RadioStationItem* item = currentStationItem();
       
   486             if ( item ) {
       
   487                 item->mRadiotextLabel->setText( "" );
       
   488             }
       
   489         } else {
       
   490             mRadioTextHolder = station.radioText();
       
   491             mTimerMode = RtPlusCheck;
       
   492             mGenericTimer->stop();
       
   493             mGenericTimer->setInterval( KRadioTextPlusCheckTimeout );
       
   494             mGenericTimer->start();
       
   495         }
       
   496     }
       
   497 }
       
   498 
       
   499 /*!
       
   500  * Private slot
       
   501  */
       
   502 void RadioStationCarousel::insertFrequency( const QModelIndex& parent, int first, int last )
       
   503 {
       
   504     Q_UNUSED( parent );
       
   505     QAbstractItemModel* freqModel = model();
       
   506 
       
   507     for ( int i = first; freqModel && i <= last; ++i ) {
       
   508         QModelIndex index = freqModel->index( i, 0 );
       
   509         RadioStation station = freqModel->data( index, RadioStationModel::RadioStationRole ).value<RadioStation>();
       
   510         mModelIndexes.insert( station.frequency(), index );
       
   511         LOG_FORMAT( "Added frequency %u", station.frequency() );
       
   512         if ( !isInScanningMode() ) {
       
   513             scrollToIndex( index, RadioStationCarousel::NoAnim | RadioStationCarousel::NoSignal );
       
   514         }
       
   515     }
       
   516 
       
   517     initCurrentStationItem();
       
   518 
       
   519     updateClampingStyle();
       
   520 }
       
   521 
       
   522 /*!
       
   523  * Private slot
       
   524  */
       
   525 void RadioStationCarousel::prepareToRemoveFrequency( const QModelIndex& parent, int first, int last )
       
   526 {
       
   527     Q_UNUSED( parent );
       
   528     QAbstractItemModel* freqModel = model();
       
   529     for ( int i = first; freqModel && i <= last; ++i ) {
       
   530         QModelIndex index = freqModel->index( i, 0 );
       
   531         RadioStation station = freqModel->data( index, RadioStationModel::RadioStationRole ).value<RadioStation>();
       
   532         mModelIndexes.remove( station.frequency() );
       
   533     }
       
   534 }
       
   535 
       
   536 /*!
       
   537  * Private slot
       
   538  */
       
   539 void RadioStationCarousel::removeFrequency( const QModelIndex& parent, int first, int last )
       
   540 {
       
   541     Q_UNUSED( parent );
       
   542     Q_UNUSED( first );
       
   543     Q_UNUSED( last );
       
   544 
       
   545     initCurrentStationItem();
       
   546     updateClampingStyle();
       
   547 }
       
   548 
       
   549 /*!
       
   550  * Private slot
       
   551  */
       
   552 void RadioStationCarousel::updateFrequencies()
       
   553 {
       
   554     mModelIndexes.clear();
       
   555     QAbstractItemModel* itemModel = model();
       
   556     if ( itemModel ) {
       
   557         const int count = itemModel->rowCount();
       
   558         for ( int i = 0; i < count; ++i ) {
       
   559             QModelIndex index = itemModel->index( i, 0 );
       
   560             uint frequency = itemModel->data( index, RadioStationModel::RadioStationRole ).value<RadioStation>().frequency();
       
   561             mModelIndexes.insert( frequency, index );
       
   562         }
       
   563     }
       
   564 }
       
   565 
       
   566 /*!
       
   567  * Private slot
       
   568  */
       
   569 void RadioStationCarousel::timerFired()
       
   570 {
       
   571     if ( mTimerMode == RtPlusCheck ) {
       
   572         RadioStationItem* item = currentStationItem();
       
   573         if ( item ) {
       
   574             item->mRadiotextLabel->setText( mRadioTextHolder );
       
   575         }
       
   576         mRadioTextHolder = "";
       
   577     } else if ( mTimerMode == InfoText ) {
       
   578         clearInfoText();
       
   579     }
       
   580 
       
   581     mTimerMode = NoTimer;
       
   582 }
       
   583 
       
   584 /*!
       
   585  * Private slot
       
   586  */
       
   587 void RadioStationCarousel::openContextMenu( HbAbstractViewItem* item, const QPointF& coords )
       
   588 {
       
   589     if ( item ) {
       
   590         static_cast<RadioStationItem*>( item )->handleLongPress( coords );
       
   591     }
       
   592 }
       
   593 
       
   594 #ifdef USE_DEBUGGING_CONTROLS
       
   595 /*!
       
   596  * Public slot
       
   597  */
       
   598 void RadioStationCarousel::setRdsAvailable( bool available )
       
   599 {
       
   600     QColor color = Qt::green;
       
   601     if ( !available && mUiEngine ) {
       
   602         LOG_FORMAT( "No RDS signal: Station has sent RDS earlier: %d", mUiEngine.model().currentStation().hasRds() );
       
   603         color = mUiEngine.model().currentStation().hasRds() ? Qt::yellow : Qt::gray;
       
   604         mRdsLabel->setText( "RDS" );
       
   605     } else {
       
   606         mRdsLabel->setText( "-RDS-" );
       
   607     }
       
   608     mRdsLabel->setTextColor( color );
       
   609 }
       
   610 #endif // USE_DEBUGGING_CONTROLS
       
   611 
       
   612 /*!
       
   613  * Public slot
       
   614  */
       
   615 void RadioStationCarousel::updateAntennaStatus( bool connected )
       
   616 {
       
   617     mAntennaAttached = connected;
       
   618     mGenericTimer->stop();
       
   619 
       
   620     if ( !connected ) {
       
   621         setInfoText( CarouselInfoText::ConnectAntenna );
       
   622     } else {
       
   623         clearInfoText();
       
   624     }
       
   625 }
       
   626 
       
   627 /*!
       
   628  * \reimp
       
   629  */
       
   630 void RadioStationCarousel::mousePressEvent( QGraphicsSceneMouseEvent* event )
       
   631 {
       
   632     if ( mInfoTextType == CarouselInfoText::NoFavorites ) {
       
   633         clearInfoText();
       
   634     }
       
   635 
       
   636     HbGridView::mousePressEvent( event );
       
   637 }
       
   638 
       
   639 /*!
       
   640  * \reimp
       
   641  */
       
   642 void RadioStationCarousel::gestureEvent( QGestureEvent* event )
       
   643 {
       
   644     HbGridView::gestureEvent( event );
       
   645 
       
   646     if ( HbPanGesture* gesture = qobject_cast<HbPanGesture*>( event->gesture( Qt::PanGesture ) ) ) {
       
   647         if ( gesture->state() == Qt::GestureFinished ) {
       
   648             updatePos( (int)gesture->offset().x() );
       
   649         }
       
   650     }
       
   651 }
       
   652 
       
   653 /*!
       
   654  *
       
   655  */
       
   656 void RadioStationCarousel::initToLastTunedFrequency()
       
   657 {
       
   658     const uint currentFrequency = mUiEngine->currentFrequency();
       
   659     const QModelIndex currentIndex = carouselModel()->modelIndexFromFrequency( currentFrequency );
       
   660 
       
   661     if ( currentIndex.isValid() ) {//&& itemByIndex( currentIndex ) ) {
       
   662         scrollToIndex( currentIndex, RadioStationCarousel::NoSignal | RadioStationCarousel::NoAnim );
       
   663     } else {
       
   664         RadioStationItem* item = static_cast<RadioStationItem*>( itemAt( 0, 0 ) );
       
   665         if ( item ) {
       
   666             item->setFrequency( currentFrequency );
       
   667         }
       
   668     }
       
   669 }
       
   670 
       
   671 /*!
       
   672  *
       
   673  */
       
   674 void RadioStationCarousel::updateClampingStyle()
       
   675 {
       
   676     if ( model()->rowCount() > 1 ) {
       
   677         setClampingStyle( HbScrollArea::StrictClamping );
       
   678     } else {
       
   679         setClampingStyle( HbScrollArea::BounceBackClamping );
       
   680         update( mUiEngine->stationModel().currentStation() );
       
   681     }
       
   682 }
       
   683 
       
   684 /*!
       
   685  *
       
   686  */
       
   687 void RadioStationCarousel::initCurrentStationItem()
       
   688 {
       
   689     mCurrentItem = static_cast<RadioStationItem*>( visibleItems().first() );
       
   690 }
       
   691 
       
   692 /*!
       
   693  *
       
   694  */
       
   695 RadioStationItem* RadioStationCarousel::currentStationItem()
       
   696 {
       
   697     return mCurrentItem;
       
   698 }
       
   699 
       
   700 /*!
       
   701  *
       
   702  */
       
   703 RadioCarouselModel* RadioStationCarousel::carouselModel() const
       
   704 {
       
   705     return static_cast<RadioCarouselModel*>( model() );
       
   706 }
       
   707 
       
   708 /*!
       
   709  *
       
   710  */
       
   711 void RadioStationCarousel::scrollToIndex( const QModelIndex& index, RadioStationCarousel::ScrollMode mode )
       
   712 {
       
   713     RadioStationItem* item = static_cast<RadioStationItem*>( itemByIndex( index ) );
       
   714     if ( index.isValid() && item ) {
       
   715         const int posX = index.row() * (int)size().width();
       
   716         setCurrentIndex( index, QItemSelectionModel::ClearAndSelect );
       
   717 
       
   718         if ( mode.testFlag( UpdateItem ) ) {
       
   719             item->update();
       
   720         }
       
   721 
       
   722         int scrollTime = mAutoScrollTime;
       
   723         if ( mode.testFlag( NoAnim ) ) {
       
   724             scrollTime = 0;
       
   725         }
       
   726         scrollContentsTo( QPointF( posX, 0 ), scrollTime );
       
   727         mCurrentItem = static_cast<RadioStationItem*>( item );
       
   728         if ( !mode.testFlag( NoSignal ) ) {
       
   729             uint frequency = model()->data( index, RadioStationModel::RadioStationRole ).value<RadioStation>().frequency();
       
   730             emit frequencyChanged( frequency, TuneReason::StationCarousel );
       
   731         }
       
   732     }
       
   733 }
       
   734 
       
   735 /*!
       
   736  *
       
   737  */
       
   738 void RadioStationCarousel::updatePos( int offset )
       
   739 {
       
   740 //    QModelIndex index = currentIndex();
       
   741 //
       
   742 //    ScrollMode mode = 0;
       
   743 //    const qreal threshold = size().width() / 3;
       
   744 //    if ( abs( offset ) >= threshold ) {
       
   745 //        if ( offset > 0 ) {
       
   746 //            index = previousIndex( index );
       
   747 //        } else {
       
   748 //            index = nextIndex( index );
       
   749 //        }
       
   750 //    } else {
       
   751 //        mode |= RadioStationCarousel::NoSignal;
       
   752 //    }
       
   753 //
       
   754 //    scrollToIndex( index, mode );
       
   755 }
       
   756 
       
   757 /*!
       
   758  *
       
   759  */
       
   760 void RadioStationCarousel::skip( StationSkip::Mode mode )
       
   761 {
       
   762     RadioStationItem* item = currentStationItem();
       
   763     if ( item ) {
       
   764         RadioCarouselModel* model = carouselModel();
       
   765         const uint frequency = model->findClosest( item->frequency(), mode ).frequency();
       
   766         const QModelIndex& index = model->modelIndexFromFrequency( frequency );
       
   767         scrollToIndex( index, RadioStationCarousel::NoSignal );
       
   768     }
       
   769 }