/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: http://www.qt-project.org/
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef FLICKABLE_H
#define FLICKABLE_H

class QMouseEvent;
class QPoint;
class QWidget;

class FlickableTicker;
class FlickablePrivate;

class Flickable
{
public:

    Flickable();
    virtual ~Flickable();

    void setThreshold(int threshold);
    int threshold() const;

    void setAcceptMouseClick(QWidget *target);

    void handleMousePress(QMouseEvent *event);
    void handleMouseMove(QMouseEvent *event);
    void handleMouseRelease(QMouseEvent *event);

protected:
    virtual QPoint scrollOffset() const = 0;
    virtual void setScrollOffset(const QPoint &offset) = 0;

private:
    void tick();

private:
    FlickablePrivate *d;
    friend class FlickableTicker;
};

#endif // FLICKABLE_H