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#ifndef QDECLARATIVESMOOTHEDANIMATION_P_H

#define QDECLARATIVESMOOTHEDANIMATION_P_H

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API.  It exists purely as an

// implementation detail.  This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#include "private/qdeclarativesmoothedanimation_p.h"

#include "private/qdeclarativeanimation_p.h"

#include "private/qdeclarativeanimation_p_p.h"

#include <qparallelanimationgroup.h>

#include <private/qobject_p.h>

#include <QTimer>

QT_BEGIN_NAMESPACE

class Q_AUTOTEST_EXPORT QSmoothedAnimation : public QAbstractAnimation

{

public:

    QSmoothedAnimation(QObject *parent=0);

    qreal to;

    qreal velocity;

    int userDuration;

    int maximumEasingTime;

    QDeclarativeSmoothedAnimation::ReversingMode reversingMode;

    qreal initialVelocity;

    qreal trackVelocity;

    QDeclarativeProperty target;

    int duration() const;

    void restart();

    void init();

protected:

    virtual void updateCurrentTime(int);

    virtual void updateState(QAbstractAnimation::State, QAbstractAnimation::State);

private:

    qreal easeFollow(qreal);

    qreal initialValue;

    bool invert;

    int finalDuration;

    // Parameters for use in updateCurrentTime()

    qreal a;  // Acceleration

    qreal d;  // Deceleration

    qreal tf; // Total time

    qreal tp; // Time at which peak velocity occurs

    qreal td; // Time at which decelleration begins

    qreal vp; // Velocity at tp

    qreal sp; // Displacement at tp

    qreal sd; // Displacement at td

    qreal vi; // "Normalized" initialvelocity

    qreal s;  // Total s

    int lastTime;

    bool recalc();

    void delayedStop();

    QTimer delayedStopTimer;

};

class QDeclarativeSmoothedAnimationPrivate : public QDeclarativePropertyAnimationPrivate

{

    Q_DECLARE_PUBLIC(QDeclarativeSmoothedAnimation)

public:

    QDeclarativeSmoothedAnimationPrivate();

    QParallelAnimationGroup *wrapperGroup;

    QSmoothedAnimation *anim;

    QHash<QDeclarativeProperty, QSmoothedAnimation*> activeAnimations;

};

QT_END_NAMESPACE

#endif // QDECLARATIVESMOOTHEDANIMATION_P_H