radioapp/radiowidgets/src/radiostationcarousel.cpp
changeset 24 6df133bd92e1
child 28 075425b8d9a4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/radioapp/radiowidgets/src/radiostationcarousel.cpp	Fri Jun 04 10:21:36 2010 +0100
@@ -0,0 +1,769 @@
+/*
+* 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
+#include <QGraphicsLinearLayout>
+#include <HbAnchorLayout>
+#include <QPixmap>
+#include <QGraphicsSceneMouseEvent>
+#include <HbEffect>
+#include <QTimer>
+#include <QTimeLine>
+#include <HbPanGesture>
+
+// User includes
+#include "radiostationcarousel.h"
+#include "radiouiloader.h"
+#include "radiostationitem.h"
+#include "radiostation.h"
+#include "radiouiengine.h"
+#include "radiostationmodel.h"
+#include "radiofadinglabel.h"
+#include "radiologger.h"
+#include "radiocarouselmodel.h"
+#include "radiouiutilities.h"
+#include "radio_global.h"
+
+#ifdef USE_LAYOUT_FROM_E_DRIVE
+    const QString KFavoriteIconPath = "e:/radiotest/images/favoriteiconactive.png";
+    const QString KNonFavoriteIconPath = "e:/radiotest/images/favoriteiconinactive.png";
+#else
+    const QString KFavoriteIconPath = ":/images/favoriteiconactive.png";
+    const QString KNonFavoriteIconPath = ":/images/favoriteiconinactive.png";
+#endif
+
+const int KRadioTextPlusCheckTimeout = 700; // 700 ms
+const int KFreqScrollDivider = 100000;
+const int INFOTEXT_NOFAVORITES_TIMEOUT = 15000;
+
+// ===============================================================
+//  Scanning helper
+// ===============================================================
+
+/*!
+ *
+ */
+ScanningHelper::ScanningHelper( RadioStationCarousel& carousel ) :
+    mCarousel( carousel ),
+    mCurrentFrequency( 0 ),
+    mPreviousFrequency( 0 ),
+    mStationItem( 0 ),
+    mNumberScrollingTimeLine( new QTimeLine( 1000, this ) )
+{
+    mNumberScrollingTimeLine->setCurveShape( QTimeLine::EaseInCurve );
+    connectAndTest( mNumberScrollingTimeLine,  SIGNAL(finished()),
+                    &mCarousel,                SIGNAL(scanAnimationFinished()) );
+    connectAndTest( mNumberScrollingTimeLine,  SIGNAL(frameChanged(int)),
+                    this,                      SLOT(numberScrollUpdate(int)) );
+}
+
+/*!
+ *
+ */
+void ScanningHelper::start()
+{
+    QTimer::singleShot( 0, this, SLOT(startSlide()) );
+}
+
+/*!
+ * Private slot
+ */
+void ScanningHelper::startSlide()
+{
+    mCarousel.scrollToIndex( mModelIndex, RadioStationCarousel::NoSignal );
+    startNumberScroll();
+}
+
+/*!
+ * Private slot
+ */
+void ScanningHelper::startNumberScroll()
+{
+    //TODO: Take italy case into account
+    if ( mPreviousFrequency ) {
+        mNumberScrollingTimeLine->setFrameRange( mPreviousFrequency / KFreqScrollDivider, mCurrentFrequency / KFreqScrollDivider );
+        mNumberScrollingTimeLine->start();
+    } else {
+        emit mCarousel.scanAnimationFinished();
+    }
+}
+
+/*!
+ * Private slot
+ */
+void ScanningHelper::numberScrollUpdate( int value )
+{
+    if ( mStationItem ) {
+        mStationItem->setFrequency( value * KFreqScrollDivider );
+    }
+}
+
+// ===============================================================
+//  Carousel
+// ===============================================================
+
+/*!
+ *
+ */
+RadioStationCarousel::RadioStationCarousel( RadioUiEngine* uiEngine ) :
+    HbGridView( 0 ),
+    mUiEngine( uiEngine ),
+    mAntennaAttached( false ),
+    mAutoScrollTime( 300 ),
+    mGenericTimer( new QTimer( this ) ),
+    mTimerMode( NoTimer ),
+    mScanningHelper( 0 ),
+    mInfoText( 0 ),
+    mCurrentItem( 0 ),
+    mPanStartPos( 0 )
+#ifdef USE_DEBUGGING_CONTROLS
+    ,mRdsLabel( new RadioFadingLabel( this ) )
+#endif // USE_DEBUGGING_CONTROLS
+{
+    RadioUiUtilities::setCarousel( this );
+    setClampingStyle( HbScrollArea::StrictClamping );
+    setScrollingStyle( HbScrollArea::Pan );
+}
+
+/*!
+ * Property
+ *
+ */
+void RadioStationCarousel::setFavoriteIcon( const HbIcon& favoriteIcon )
+{
+    mFavoriteIcon = favoriteIcon;
+}
+
+/*!
+ * Property
+ *
+ */
+HbIcon RadioStationCarousel::favoriteIcon() const
+{
+    return mFavoriteIcon;
+}
+
+/*!
+ * Property
+ *
+ */
+void RadioStationCarousel::setNonFavoriteIcon( const HbIcon& nonFavoriteIcon )
+{
+    mNonFavoriteIcon = nonFavoriteIcon;
+}
+
+/*!
+ * Property
+ *
+ */
+HbIcon RadioStationCarousel::nonFavoriteIcon() const
+{
+    return mNonFavoriteIcon;
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::setAutoScrollTime( const int time )
+{
+    mAutoScrollTime = time;
+}
+
+/*!
+ *
+ */
+int RadioStationCarousel::autoScrollTime() const
+{
+    return mAutoScrollTime;
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::init( RadioUiLoader& uiLoader, RadioUiEngine* uiEngine )
+{
+    mUiEngine = uiEngine;
+    mAntennaAttached = mUiEngine->isAntennaAttached();
+
+    mInfoText = uiLoader.findWidget<HbLabel>( DOCML::MV_NAME_INFO_TEXT );
+    mInfoText->setTextWrapping( Hb::TextWordWrap );
+
+    setRowCount( 1 );
+    setColumnCount( 1 );
+    setScrollDirections( Qt::Horizontal );
+    setFrictionEnabled( true );
+    setLongPressEnabled( false );
+    setItemRecycling( false );
+    setUniformItemSizes( true );
+    setItemPrototype( new RadioStationItem( *this ) );
+    setSelectionMode( NoSelection );
+
+//    grabGesture( Qt::PanGesture );
+
+    RadioCarouselModel* carouselModel = mUiEngine->carouselModel();
+    setCarouselModel( carouselModel );
+
+    mCurrentItem = static_cast<RadioStationItem*>( itemByIndex( carouselModel->index( 0, 0 ) ) );
+
+    RadioStationModel* stationModel = &mUiEngine->stationModel();
+    connectAndTest( stationModel,   SIGNAL(favoriteChanged(RadioStation)),
+                    this,           SLOT(update(RadioStation)) );
+    connectAndTest( stationModel,   SIGNAL(stationDataChanged(RadioStation)),
+                    this,           SLOT(update(RadioStation)));
+    connectAndTest( stationModel,   SIGNAL(radioTextReceived(RadioStation)),
+                    this,           SLOT(updateRadioText(RadioStation)));
+    connectAndTest( stationModel,   SIGNAL(dynamicPsChanged(RadioStation)),
+                    this,           SLOT(update(RadioStation)));
+
+    updateClampingStyle();
+
+    connectAndTest( this,           SIGNAL(longPressed(HbAbstractViewItem*,QPointF)),
+                    this,           SLOT(openContextMenu(HbAbstractViewItem*,QPointF)) );
+    setLongPressEnabled( true );
+
+    mGenericTimer->setSingleShot( true );
+    connectAndTest( mGenericTimer,  SIGNAL(timeout()),
+                    this,           SLOT(timerFired()));
+
+    initToLastTunedFrequency();
+
+#ifdef USE_DEBUGGING_CONTROLS
+    mRdsLabel->setPos( QPoint( 300, 10 ) );
+    mRdsLabel->setText( "RDS" );
+    mRdsLabel->setElideMode( Qt::ElideNone );
+    HbFontSpec spec = mRdsLabel->fontSpec();
+    spec.setTextPaneHeight( 10 );
+    spec.setRole( HbFontSpec::Secondary );
+    mRdsLabel->setFontSpec( spec );
+    mRdsLabel->setTextColor( Qt::gray );
+    if ( mUiEngine ) {
+        connectAndTest( mUiEngine,      SIGNAL(rdsAvailabilityChanged(bool)),
+                        this,           SLOT(setRdsAvailable(bool)) );
+    }
+#endif // USE_DEBUGGING_CONTROLS
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::setCarouselModel( RadioCarouselModel* carouselModel )
+{
+    if ( carouselModel ) {
+        connectAndTest( carouselModel,  SIGNAL(rowsInserted(QModelIndex,int,int)),
+                        this,           SLOT(insertFrequency(QModelIndex,int,int)) );
+        connectAndTest( carouselModel,  SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
+                        this,           SLOT(prepareToRemoveFrequency(QModelIndex,int,int)) );
+        connectAndTest( carouselModel,  SIGNAL(rowsRemoved(QModelIndex,int,int)),
+                        this,           SLOT(removeFrequency(QModelIndex,int,int)) );
+    } else {
+        QAbstractItemModel* currentModel = model();
+        disconnect( currentModel,   SIGNAL(rowsInserted(QModelIndex,int,int)),
+                    this,           SLOT(insertFrequency(QModelIndex,int,int)) );
+        disconnect( currentModel,   SIGNAL(rowsAboutToBeRemoved(QModelIndex,int,int)),
+                    this,           SLOT(prepareToRemoveFrequency(QModelIndex,int,int)) );
+        disconnect( currentModel,   SIGNAL(rowsRemoved(QModelIndex,int,int)),
+                    this,           SLOT(removeFrequency(QModelIndex,int,int)) );
+    }
+    setModel( carouselModel );
+    updateFrequencies();
+    initCurrentStationItem();
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::setFrequency( uint frequency, int reason )
+{
+    RadioStationItem* item = currentStationItem();
+//    if ( item && item->mFrequency == frequency ) {
+//        return;
+//    }
+
+    if ( mModelIndexes.contains( frequency ) ) {
+        QModelIndex index = mModelIndexes.value( frequency );
+
+        if ( reason == TuneReason::FrequencyStrip || reason == TuneReason::StationsList ) {
+            scrollToIndex( index, RadioStationCarousel::NoAnim | RadioStationCarousel::NoSignal );
+        } else if ( reason == TuneReason::Skip || reason == TuneReason::StationScan ) {
+            scrollToIndex( index, RadioStationCarousel::NoSignal );
+        } else {
+            scrollToIndex( index );
+        }
+    } else {
+        if ( item ) {
+            item->setFrequency( frequency );
+        }
+    }
+}
+
+/*!
+ *
+ */
+RadioUiEngine* RadioStationCarousel::uiEngine()
+{
+    return mUiEngine;
+}
+
+/*!
+ *
+ */
+bool RadioStationCarousel::isAntennaAttached() const
+{
+    return mAntennaAttached;
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::setScanningMode( bool scanning )
+{
+    initCurrentStationItem();
+
+    if ( scanning ) {
+
+        setInfoText( CarouselInfoText::Scanning );
+        if ( !mScanningHelper ) {
+            mScanningHelper = new ScanningHelper( *this );
+        }
+    } else {
+        delete mScanningHelper;
+        mScanningHelper = 0;
+        clearInfoText();
+    }
+    setEnabled( !scanning );
+}
+
+/*!
+ *
+ */
+bool RadioStationCarousel::isInScanningMode() const
+{
+    return RadioUiUtilities::isScannerAlive();
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::cleanRdsData()
+{
+    RadioStationItem* item = currentStationItem();
+    if ( item ) {
+        item->cleanRdsData();
+    }
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::updateCurrentItem()
+{
+    RadioStationItem* item = currentStationItem();
+    if ( item ) {
+        item->update();
+    }
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::animateNewStation( const RadioStation& station )
+{
+    if ( mScanningHelper ) {
+        RadioCarouselModel* model = carouselModel();
+        const QModelIndex index = model->modelIndexFromFrequency( station.frequency() );
+        mScanningHelper->mModelIndex = index;
+        mScanningHelper->mCurrentFrequency = station.frequency();
+        mScanningHelper->mStationItem = static_cast<RadioStationItem*>( itemByIndex( index ) );
+
+        uint prevFrequency = 0;
+        if ( model->rowCount() > 1 ) {
+            const int prevIndex = index.row() - 1;
+            RadioStation prevStation = model->data( model->index( prevIndex, 0 ), RadioStationModel::RadioStationRole ).value<RadioStation>();
+            prevFrequency = prevStation.frequency();
+        } else if ( mUiEngine ) {
+            prevFrequency = mUiEngine->minFrequency();
+        }
+
+        mScanningHelper->mPreviousFrequency = prevFrequency;
+        if ( mScanningHelper->mStationItem ) {
+            mScanningHelper->mStationItem->setFrequency( prevFrequency );
+            mScanningHelper->mStationItem->cleanRdsData();
+        }
+
+        mScanningHelper->start();
+    }
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::setItemVisible( bool visible )
+{
+    RadioStationItem* item = currentStationItem();
+    if ( item ) {
+        item->setVisible( visible );
+    }
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::setInfoText( CarouselInfoText::Type type )
+{
+    mInfoTextType = type;
+    if ( type == CarouselInfoText::NoFavorites ) {
+        mInfoText->setPlainText( hbTrId( "txt_rad_dialog_long_press_arrow_keys_to_search_str" ) );
+        mInfoText->setAlignment( Qt::AlignCenter );
+        setItemVisible( false );
+        mTimerMode = InfoText;
+        mGenericTimer->setInterval( INFOTEXT_NOFAVORITES_TIMEOUT );
+        mGenericTimer->start();
+    } else if ( type == CarouselInfoText::ConnectAntenna ) {
+        cleanRdsData();
+        mInfoText->setPlainText( hbTrId( "txt_rad_info_connect_wired_headset1" ) );
+        mInfoText->setAlignment( Qt::AlignBottom | Qt::AlignHCenter );
+    } else if ( type == CarouselInfoText::Seeking ) {
+        cleanRdsData();
+        mInfoText->setAlignment( Qt::AlignBottom | Qt::AlignHCenter );
+        mInfoText->setPlainText( hbTrId( "txt_rad_list_seeking" ) );
+    } else if ( type == CarouselInfoText::Scanning ) {
+        cleanRdsData();
+        mInfoText->setAlignment( Qt::AlignBottom | Qt::AlignHCenter );
+        mInfoText->setPlainText( hbTrId( "txt_rad_list_searching_all_available_stations_ple" ) );
+    }
+
+    mInfoText->setVisible( true );
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::clearInfoText()
+{
+    if ( mInfoTextType != CarouselInfoText::None ) {
+        mGenericTimer->stop();
+        mInfoTextType = CarouselInfoText::None;
+        mInfoText->setVisible( false );
+        mInfoText->clear();
+        setItemVisible( true );
+        updateCurrentItem();
+    }
+}
+
+/*!
+ * Private slot
+ */
+void RadioStationCarousel::update( const RadioStation& station )
+{
+    RadioStationItem* item = currentStationItem();
+    if ( item && item->frequency() == station.frequency() && !isInScanningMode() ) {
+        item->update( &station );
+    }
+}
+
+/*!
+ * Private slot
+ */
+void RadioStationCarousel::updateRadioText( const RadioStation& station )
+{
+    if ( isAntennaAttached() && !isInScanningMode() ) {
+        if ( station.radioText().isEmpty() ) {
+            RadioStationItem* item = currentStationItem();
+            if ( item ) {
+                item->mRadiotextLabel->setText( "" );
+            }
+        } else {
+            mRadioTextHolder = station.radioText();
+            mTimerMode = RtPlusCheck;
+            mGenericTimer->stop();
+            mGenericTimer->setInterval( KRadioTextPlusCheckTimeout );
+            mGenericTimer->start();
+        }
+    }
+}
+
+/*!
+ * Private slot
+ */
+void RadioStationCarousel::insertFrequency( const QModelIndex& parent, int first, int last )
+{
+    Q_UNUSED( parent );
+    QAbstractItemModel* freqModel = model();
+
+    for ( int i = first; freqModel && i <= last; ++i ) {
+        QModelIndex index = freqModel->index( i, 0 );
+        RadioStation station = freqModel->data( index, RadioStationModel::RadioStationRole ).value<RadioStation>();
+        mModelIndexes.insert( station.frequency(), index );
+        LOG_FORMAT( "Added frequency %u", station.frequency() );
+        if ( !isInScanningMode() ) {
+            scrollToIndex( index, RadioStationCarousel::NoAnim | RadioStationCarousel::NoSignal );
+        }
+    }
+
+    initCurrentStationItem();
+
+    updateClampingStyle();
+}
+
+/*!
+ * Private slot
+ */
+void RadioStationCarousel::prepareToRemoveFrequency( const QModelIndex& parent, int first, int last )
+{
+    Q_UNUSED( parent );
+    QAbstractItemModel* freqModel = model();
+    for ( int i = first; freqModel && i <= last; ++i ) {
+        QModelIndex index = freqModel->index( i, 0 );
+        RadioStation station = freqModel->data( index, RadioStationModel::RadioStationRole ).value<RadioStation>();
+        mModelIndexes.remove( station.frequency() );
+    }
+}
+
+/*!
+ * Private slot
+ */
+void RadioStationCarousel::removeFrequency( const QModelIndex& parent, int first, int last )
+{
+    Q_UNUSED( parent );
+    Q_UNUSED( first );
+    Q_UNUSED( last );
+
+    initCurrentStationItem();
+    updateClampingStyle();
+}
+
+/*!
+ * Private slot
+ */
+void RadioStationCarousel::updateFrequencies()
+{
+    mModelIndexes.clear();
+    QAbstractItemModel* itemModel = model();
+    if ( itemModel ) {
+        const int count = itemModel->rowCount();
+        for ( int i = 0; i < count; ++i ) {
+            QModelIndex index = itemModel->index( i, 0 );
+            uint frequency = itemModel->data( index, RadioStationModel::RadioStationRole ).value<RadioStation>().frequency();
+            mModelIndexes.insert( frequency, index );
+        }
+    }
+}
+
+/*!
+ * Private slot
+ */
+void RadioStationCarousel::timerFired()
+{
+    if ( mTimerMode == RtPlusCheck ) {
+        RadioStationItem* item = currentStationItem();
+        if ( item ) {
+            item->mRadiotextLabel->setText( mRadioTextHolder );
+        }
+        mRadioTextHolder = "";
+    } else if ( mTimerMode == InfoText ) {
+        clearInfoText();
+    }
+
+    mTimerMode = NoTimer;
+}
+
+/*!
+ * Private slot
+ */
+void RadioStationCarousel::openContextMenu( HbAbstractViewItem* item, const QPointF& coords )
+{
+    if ( item ) {
+        static_cast<RadioStationItem*>( item )->handleLongPress( coords );
+    }
+}
+
+#ifdef USE_DEBUGGING_CONTROLS
+/*!
+ * Public slot
+ */
+void RadioStationCarousel::setRdsAvailable( bool available )
+{
+    QColor color = Qt::green;
+    if ( !available && mUiEngine ) {
+        LOG_FORMAT( "No RDS signal: Station has sent RDS earlier: %d", mUiEngine.model().currentStation().hasRds() );
+        color = mUiEngine.model().currentStation().hasRds() ? Qt::yellow : Qt::gray;
+        mRdsLabel->setText( "RDS" );
+    } else {
+        mRdsLabel->setText( "-RDS-" );
+    }
+    mRdsLabel->setTextColor( color );
+}
+#endif // USE_DEBUGGING_CONTROLS
+
+/*!
+ * Public slot
+ */
+void RadioStationCarousel::updateAntennaStatus( bool connected )
+{
+    mAntennaAttached = connected;
+    mGenericTimer->stop();
+
+    if ( !connected ) {
+        setInfoText( CarouselInfoText::ConnectAntenna );
+    } else {
+        clearInfoText();
+    }
+}
+
+/*!
+ * \reimp
+ */
+void RadioStationCarousel::mousePressEvent( QGraphicsSceneMouseEvent* event )
+{
+    if ( mInfoTextType == CarouselInfoText::NoFavorites ) {
+        clearInfoText();
+    }
+
+    HbGridView::mousePressEvent( event );
+}
+
+/*!
+ * \reimp
+ */
+void RadioStationCarousel::gestureEvent( QGestureEvent* event )
+{
+    HbGridView::gestureEvent( event );
+
+    if ( HbPanGesture* gesture = qobject_cast<HbPanGesture*>( event->gesture( Qt::PanGesture ) ) ) {
+        if ( gesture->state() == Qt::GestureFinished ) {
+            updatePos( (int)gesture->offset().x() );
+        }
+    }
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::initToLastTunedFrequency()
+{
+    const uint currentFrequency = mUiEngine->currentFrequency();
+    const QModelIndex currentIndex = carouselModel()->modelIndexFromFrequency( currentFrequency );
+
+    if ( currentIndex.isValid() ) {//&& itemByIndex( currentIndex ) ) {
+        scrollToIndex( currentIndex, RadioStationCarousel::NoSignal | RadioStationCarousel::NoAnim );
+    } else {
+        RadioStationItem* item = static_cast<RadioStationItem*>( itemAt( 0, 0 ) );
+        if ( item ) {
+            item->setFrequency( currentFrequency );
+        }
+    }
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::updateClampingStyle()
+{
+    if ( model()->rowCount() > 1 ) {
+        setClampingStyle( HbScrollArea::StrictClamping );
+    } else {
+        setClampingStyle( HbScrollArea::BounceBackClamping );
+        update( mUiEngine->stationModel().currentStation() );
+    }
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::initCurrentStationItem()
+{
+    mCurrentItem = static_cast<RadioStationItem*>( visibleItems().first() );
+}
+
+/*!
+ *
+ */
+RadioStationItem* RadioStationCarousel::currentStationItem()
+{
+    return mCurrentItem;
+}
+
+/*!
+ *
+ */
+RadioCarouselModel* RadioStationCarousel::carouselModel() const
+{
+    return static_cast<RadioCarouselModel*>( model() );
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::scrollToIndex( const QModelIndex& index, RadioStationCarousel::ScrollMode mode )
+{
+    RadioStationItem* item = static_cast<RadioStationItem*>( itemByIndex( index ) );
+    if ( index.isValid() && item ) {
+        const int posX = index.row() * (int)size().width();
+        setCurrentIndex( index, QItemSelectionModel::ClearAndSelect );
+
+        if ( mode.testFlag( UpdateItem ) ) {
+            item->update();
+        }
+
+        int scrollTime = mAutoScrollTime;
+        if ( mode.testFlag( NoAnim ) ) {
+            scrollTime = 0;
+        }
+        scrollContentsTo( QPointF( posX, 0 ), scrollTime );
+        mCurrentItem = static_cast<RadioStationItem*>( item );
+        if ( !mode.testFlag( NoSignal ) ) {
+            uint frequency = model()->data( index, RadioStationModel::RadioStationRole ).value<RadioStation>().frequency();
+            emit frequencyChanged( frequency, TuneReason::StationCarousel );
+        }
+    }
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::updatePos( int offset )
+{
+//    QModelIndex index = currentIndex();
+//
+//    ScrollMode mode = 0;
+//    const qreal threshold = size().width() / 3;
+//    if ( abs( offset ) >= threshold ) {
+//        if ( offset > 0 ) {
+//            index = previousIndex( index );
+//        } else {
+//            index = nextIndex( index );
+//        }
+//    } else {
+//        mode |= RadioStationCarousel::NoSignal;
+//    }
+//
+//    scrollToIndex( index, mode );
+}
+
+/*!
+ *
+ */
+void RadioStationCarousel::skip( StationSkip::Mode mode )
+{
+    RadioStationItem* item = currentStationItem();
+    if ( item ) {
+        RadioCarouselModel* model = carouselModel();
+        const uint frequency = model->findClosest( item->frequency(), mode ).frequency();
+        const QModelIndex& index = model->modelIndexFromFrequency( frequency );
+        scrollToIndex( index, RadioStationCarousel::NoSignal );
+    }
+}