/*

* 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:

*

*/

#ifndef RADIOSTATIONCAROUSEL_H

#define RADIOSTATIONCAROUSEL_H

// System includes

// Forward declarations

class RadioUiEngine;

class RadioStation;

class RadioStationCarousel;

class RadioStationFilterModel;

// Class declaration

class RadioStationCarousel : public HbGridView

{

    Q_OBJECT

    Q_PROPERTY(HbIcon background READ background WRITE setBackground)

public:

    RadioStationCarousel( RadioUiEngine& uiEngine, QGraphicsItem* parent = 0 );

    void setBackground( const HbIcon& background );

    HbIcon background() const;

    RadioUiEngine& uiEngine();

    bool isAntennaAttached() const;

signals:

    void frequencyChanged( uint frequency, int commandSender );

public slots:

    void setFrequency( uint frequency );

    void setSeekingText();

    void updateHeadsetStatus( bool connected );

private slots:

    void update( const RadioStation& station );

    void leftGesture( int speedPixelsPerSecond );

    void rightGesture( int speedPixelsPerSecond );

    void insertFrequency( const QModelIndex& parent, int first, int last );

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

    void updateFrequencies();

    void updateLoopedPos();

private:

// from base class QGraphicsItem

    void paint( QPainter* painter, const QStyleOptionGraphicsItem* option, QWidget* widget );

    void mouseMoveEvent( QGraphicsSceneMouseEvent* event );

    void mouseReleaseEvent( QGraphicsSceneMouseEvent* event );

    void resizeEvent( QGraphicsSceneResizeEvent* event );

    RadioStationItem* currentStationItem();

    RadioStationFilterModel* filterModel() const;

    void scrollToIndex( const QModelIndex& index, int time );

private: // data

    RadioUiEngine&          mUiEngine;

    bool                    mAntennaAttached;

    int                     mAutoScrollTime;

    qreal                   mPreviousButtonPos;

    bool                    mMovingLeft;

    RadioStationItem*       mCurrentItem;

    QMap<uint,QModelIndex>  mModelIndexes;

    HbIcon                  mBackground;

};

#endif // RADIOSTATIONCAROUSEL_H