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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtDeclarative 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 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();
+ void updateRunningAnimations();
+
+ QParallelAnimationGroup *wrapperGroup;
+ QSmoothedAnimation *anim;
+ QHash<QDeclarativeProperty, QSmoothedAnimation*> activeAnimations;
+};
+
+QT_END_NAMESPACE
+
+#endif // QDECLARATIVESMOOTHEDANIMATION_P_H