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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module 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 QQUICKSMOOTHEDANIMATION2_P_H
+#define QQUICKSMOOTHEDANIMATION2_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 "qquicksmoothedanimation_p.h"
+#include "qquickanimation_p.h"
+
+#include "qquickanimation_p_p.h"
+
+#include "private/qparallelanimationgroupjob_p.h"
+
+#include <private/qobject_p.h>
+#include <QBasicTimer>
+
+QT_BEGIN_NAMESPACE
+class QSmoothedAnimation;
+class QSmoothedAnimationTimer : public QTimer
+{
+    Q_OBJECT
+public:
+    explicit QSmoothedAnimationTimer(QSmoothedAnimation *animation, QObject *parent = 0);
+    ~QSmoothedAnimationTimer();
+public Q_SLOTS:
+    void stopAnimation();
+private:
+    QSmoothedAnimation *m_animation;
+};
+
+class QQuickSmoothedAnimationPrivate;
+class Q_AUTOTEST_EXPORT QSmoothedAnimation : public QAbstractAnimationJob
+{
+    Q_DISABLE_COPY(QSmoothedAnimation)
+public:
+    QSmoothedAnimation(QQuickSmoothedAnimationPrivate * = 0);
+
+    ~QSmoothedAnimation();
+    qreal to;
+    qreal velocity;
+    int userDuration;
+
+    int maximumEasingTime;
+    QQuickSmoothedAnimation::ReversingMode reversingMode;
+
+    qreal initialVelocity;
+    qreal trackVelocity;
+
+    QQmlProperty target;
+
+    int duration() const;
+    void restart();
+    void init();
+
+    void prepareForRestart();
+    void clearTemplate() { animationTemplate = 0; }
+
+protected:
+    virtual void updateCurrentTime(int);
+    virtual void updateState(QAbstractAnimationJob::State, QAbstractAnimationJob::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 deceleration 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 useDelta;
+
+    bool recalc();
+    void delayedStop();
+    QSmoothedAnimationTimer *delayedStopTimer;
+    QQuickSmoothedAnimationPrivate *animationTemplate;
+};
+
+class QQuickSmoothedAnimationPrivate : public QQuickPropertyAnimationPrivate
+{
+    Q_DECLARE_PUBLIC(QQuickSmoothedAnimation)
+public:
+    QQuickSmoothedAnimationPrivate();
+    ~QQuickSmoothedAnimationPrivate();
+    void updateRunningAnimations();
+
+    QSmoothedAnimation *anim;
+    QHash<QQmlProperty, QSmoothedAnimation*> activeAnimations;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQUICKSMOOTHEDANIMATION2_P_H