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Diffstat (limited to 'src/declarative/util/qdeclarativesmoothedanimation_p_p.h')
-rw-r--r-- | src/declarative/util/qdeclarativesmoothedanimation_p_p.h | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/declarative/util/qdeclarativesmoothedanimation_p_p.h b/src/declarative/util/qdeclarativesmoothedanimation_p_p.h new file mode 100644 index 0000000000..cf3dadc9d6 --- /dev/null +++ b/src/declarative/util/qdeclarativesmoothedanimation_p_p.h @@ -0,0 +1,135 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, 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. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#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 |