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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 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 QDECLARATIVESMOOTHEDANIMATION2_P_H
-#define QDECLARATIVESMOOTHEDANIMATION2_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 "qdeclarativesmoothedanimation_p.h"
-#include "qdeclarativeanimation_p.h"
-
-#include "qdeclarativeanimation_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 QDeclarativeSmoothedAnimationPrivate;
-class Q_AUTOTEST_EXPORT QSmoothedAnimation : public QAbstractAnimationJob
-{
- Q_DISABLE_COPY(QSmoothedAnimation)
-public:
- QSmoothedAnimation(QDeclarativeSmoothedAnimationPrivate * = 0);
-
- ~QSmoothedAnimation();
- qreal to;
- qreal velocity;
- int userDuration;
-
- int maximumEasingTime;
- QDeclarativeSmoothedAnimation::ReversingMode reversingMode;
-
- qreal initialVelocity;
- qreal trackVelocity;
-
- QDeclarativeProperty 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;
- QDeclarativeSmoothedAnimationPrivate *animationTemplate;
-};
-
-class QDeclarativeSmoothedAnimationPrivate : public QDeclarativePropertyAnimationPrivate
-{
- Q_DECLARE_PUBLIC(QDeclarativeSmoothedAnimation)
-public:
- QDeclarativeSmoothedAnimationPrivate();
- ~QDeclarativeSmoothedAnimationPrivate();
- void updateRunningAnimations();
-
- QSmoothedAnimation *anim;
- QHash<QDeclarativeProperty, QSmoothedAnimation*> activeAnimations;
-};
-
-QT_END_NAMESPACE
-
-#endif // QDECLARATIVESMOOTHEDANIMATION2_P_H