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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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 qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QWIDGET_ANIMATOR_P_H
#define QWIDGET_ANIMATOR_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include <qobject.h>
#include <qrect.h>
#include <qmap.h>

QT_BEGIN_NAMESPACE

class QWidget;
class QTimer;
class QTime;

class QWidgetAnimator : public QObject
{
    Q_OBJECT
public:
    QWidgetAnimator(QObject *parent = 0);
    ~QWidgetAnimator();
    void animate(QWidget *widget, const QRect &final_geometry, bool animate);
    bool animating() const;
    bool animating(QWidget *widget);

    void abort(QWidget *widget);

signals:
    void finished(QWidget *widget);
    void finishedAll();

private slots:
    void animationStep();

private:
    struct AnimationItem {
        AnimationItem(QWidget *_widget = 0, const QRect &_r1 = QRect(),
                        const QRect &_r2 = QRect())
            : widget(_widget), r1(_r1), r2(_r2), step(0) {}
        QWidget *widget;
        QRect r1, r2;
        int step;
    };
    typedef QMap<QWidget*, AnimationItem> AnimationMap;
    AnimationMap m_animation_map;
    QTimer *m_timer;
    QTime *m_time;
};

QT_END_NAMESPACE

#endif // QWIDGET_ANIMATOR_P_H