1 /****************************************************************************
3 ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4 ** All rights reserved.
5 ** Contact: Nokia Corporation (qt-info@nokia.com)
7 ** This file is part of the QtDeclarative module of the Qt Toolkit.
9 ** $QT_BEGIN_LICENSE:LGPL$
10 ** No Commercial Usage
11 ** This file contains pre-release code and may not be distributed.
12 ** You may use this file in accordance with the terms and conditions
13 ** contained in the Technology Preview License Agreement accompanying
16 ** GNU Lesser General Public License Usage
17 ** Alternatively, this file may be used under the terms of the GNU Lesser
18 ** General Public License version 2.1 as published by the Free Software
19 ** Foundation and appearing in the file LICENSE.LGPL included in the
20 ** packaging of this file. Please review the following information to
21 ** ensure the GNU Lesser General Public License version 2.1 requirements
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 ** In addition, as a special exception, Nokia gives you certain additional
25 ** rights. These rights are described in the Nokia Qt LGPL Exception
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 ** If you have questions regarding the use of this file, please contact
29 ** Nokia at qt-info@nokia.com.
40 ****************************************************************************/
42 #ifndef QDECLARATIVESMOOTHEDANIMATION_P_H
43 #define QDECLARATIVESMOOTHEDANIMATION_P_H
49 // This file is not part of the Qt API. It exists purely as an
50 // implementation detail. This header file may change from version to
51 // version without notice, or even be removed.
56 #include "private/qdeclarativesmoothedanimation_p.h"
57 #include "private/qdeclarativeanimation_p.h"
59 #include "private/qdeclarativeanimation_p_p.h"
61 #include <qparallelanimationgroup.h>
63 #include <private/qobject_p.h>
68 class Q_AUTOTEST_EXPORT QSmoothedAnimation : public QAbstractAnimation
71 QSmoothedAnimation(QObject *parent=0);
77 int maximumEasingTime;
78 QDeclarativeSmoothedAnimation::ReversingMode reversingMode;
80 qreal initialVelocity;
83 QDeclarativeProperty target;
90 virtual void updateCurrentTime(int);
91 virtual void updateState(QAbstractAnimation::State, QAbstractAnimation::State);
94 qreal easeFollow(qreal);
101 // Parameters for use in updateCurrentTime()
102 qreal a; // Acceleration
103 qreal d; // Deceleration
104 qreal tf; // Total time
105 qreal tp; // Time at which peak velocity occurs
106 qreal td; // Time at which decelleration begins
107 qreal vp; // Velocity at tp
108 qreal sp; // Displacement at tp
109 qreal sd; // Displacement at td
110 qreal vi; // "Normalized" initialvelocity
118 QTimer delayedStopTimer;
121 class QDeclarativeSmoothedAnimationPrivate : public QDeclarativePropertyAnimationPrivate
123 Q_DECLARE_PUBLIC(QDeclarativeSmoothedAnimation)
125 QDeclarativeSmoothedAnimationPrivate();
126 void updateRunningAnimations();
128 QParallelAnimationGroup *wrapperGroup;
129 QSmoothedAnimation *anim;
130 QHash<QDeclarativeProperty, QSmoothedAnimation*> activeAnimations;
135 #endif // QDECLARATIVESMOOTHEDANIMATION_P_H