/****************************************************************************

**

** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (developer.feedback@nokia.com)

**

** This file is part of the HbWidgets module of the UI Extensions for Mobile.

**

** GNU Lesser General Public License Usage

** This file may be used under the terms of the GNU Lesser General Public

** License version 2.1 as published by the Free Software Foundation and

** appearing in the file LICENSE.LGPL included in the packaging of this file.

** Please review the following information to ensure the GNU Lesser General

** Public License version 2.1 requirements will be met:

** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.

**

** In addition, as a special exception, Nokia gives you certain additional

** rights.  These rights are described in the Nokia Qt LGPL Exception

** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.

**

** If you have questions regarding the use of this file, please contact

** Nokia at developer.feedback@nokia.com.

**

****************************************************************************/

#ifndef HBTUMBLEVIEW_H

#define HBTUMBLEVIEW_H

#include <hblistview.h>

class HbTumbleViewPrivate;

QT_FORWARD_DECLARE_CLASS(QGraphicsSceneMouseEvent)

class HB_WIDGETS_EXPORT HbTumbleView : public HbListView

{

    Q_OBJECT

    Q_PROPERTY(QStringList items READ items WRITE setItems)

    Q_PROPERTY(int selected READ selected WRITE setSelected)

    Q_PROPERTY(bool isLoopingEnabled READ isLoopingEnabled WRITE setLoopingEnabled)

public:

    explicit HbTumbleView(QGraphicsItem *parent=0);

    explicit HbTumbleView(const QStringList &list, QGraphicsItem *parent=0);

    ~HbTumbleView();     

    void setItems(const QStringList &list);

    QStringList items() const;

    void setSelected(int index);

    int selected() const;

    void setGeometry(const QRectF &rect);

    void setLoopingEnabled(bool enabled);

    bool isLoopingEnabled() const;

    enum { Type = Hb::ItemType_TumbleView };

    int type() const { return Type; }

    QGraphicsItem *primitive(HbStyle::Primitive) const;

    QGraphicsItem *primitive(const QString &itemName) const;

public slots:

    void updatePrimitives();

signals:

    void itemSelected(int index);

protected slots:

    void currentIndexChanged(const QModelIndex &current, const QModelIndex &previous);

    void rowsAboutToBeRemoved(const QModelIndex &index, int start, int end);

    void rowsRemoved(const QModelIndex &parent, int start, int end);

    void rowsAboutToBeInserted(const QModelIndex &index, int start, int end);

    void rowsInserted(const QModelIndex &parent, int start, int end);

protected:

    HbTumbleView(HbTumbleViewPrivate &dd, QGraphicsItem *parent = 0);

    void scrollTo(const QModelIndex &index, ScrollHint);

    void mousePressEvent(QGraphicsSceneMouseEvent *event);        

    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);

    QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const;

    QVariant itemChange(GraphicsItemChange change,const QVariant &value);

    void dataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight);

    void gestureEvent(QGestureEvent *event);

    bool event(QEvent *e);

private:

    Q_DECLARE_PRIVATE_D(d_ptr,HbTumbleView)

    Q_DISABLE_COPY(HbTumbleView)

    Q_PRIVATE_SLOT(d_func(), void _q_scrollingStarted())

    Q_PRIVATE_SLOT(d_func(), void _q_scrollingEnded())

};

#endif