/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
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** use the contact form at http://qt.digia.com/contact-us.
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
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**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
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****************************************************************************/

#ifndef QQUICKSPRINGANIMATION_H
#define QQUICKSPRINGANIMATION_H

#include <qqml.h>
#include "qquickanimation_p.h"

#include <QtCore/qobject.h>

QT_BEGIN_NAMESPACE

class QQuickSpringAnimationPrivate;
class Q_AUTOTEST_EXPORT QQuickSpringAnimation : public QQuickNumberAnimation
{
    Q_OBJECT
    Q_DECLARE_PRIVATE(QQuickSpringAnimation)
    Q_INTERFACES(QQmlPropertyValueSource)

    Q_PROPERTY(qreal velocity READ velocity WRITE setVelocity)
    Q_PROPERTY(qreal spring READ spring WRITE setSpring)
    Q_PROPERTY(qreal damping READ damping WRITE setDamping)
    Q_PROPERTY(qreal epsilon READ epsilon WRITE setEpsilon)
    Q_PROPERTY(qreal modulus READ modulus WRITE setModulus NOTIFY modulusChanged)
    Q_PROPERTY(qreal mass READ mass WRITE setMass NOTIFY massChanged)

public:
    QQuickSpringAnimation(QObject *parent=0);
    ~QQuickSpringAnimation();

    qreal velocity() const;
    void setVelocity(qreal velocity);

    qreal spring() const;
    void setSpring(qreal spring);

    qreal damping() const;
    void setDamping(qreal damping);

    qreal epsilon() const;
    void setEpsilon(qreal epsilon);

    qreal mass() const;
    void setMass(qreal modulus);

    qreal modulus() const;
    void setModulus(qreal modulus);

    virtual QAbstractAnimationJob* transition(QQuickStateActions &actions,
                            QQmlProperties &modified,
                            TransitionDirection direction,
                            QObject *defaultTarget = 0);

Q_SIGNALS:
    void modulusChanged();
    void massChanged();
    void syncChanged();
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickSpringAnimation)

#endif // QQUICKSPRINGANIMATION_H
