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# qabstractanimation.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtCore module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QABSTRACTANIMATION_H
    00043 #define QABSTRACTANIMATION_H
    00044
    00045 #include <QtCore/qobject.h>
    00046
    00047 QT_BEGIN_HEADER
    00048
    00049 QT_BEGIN_NAMESPACE
    00050
    00051 QT_MODULE(Core)
    00052
    00053 #ifndef QT_NO_ANIMATION
    00054
    00055 class QAnimationGroup;
    00056 class QSequentialAnimationGroup;
    00057
    00058 class QAbstractAnimationPrivate;
    00059 class Q_CORE_EXPORT QAbstractAnimation : public QObject
    00060 {
    00061     Q_OBJECT
    00062     Q_ENUMS(State)
    00063     Q_ENUMS(Direction)
    00064     Q_PROPERTY(State state READ state NOTIFY stateChanged)
    00065     Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount)
    00066     Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime)
    00067     Q_PROPERTY(int currentLoop READ currentLoop NOTIFY currentLoopChanged)
    00068     Q_PROPERTY(Direction direction READ direction WRITE setDirection NOTIFY directionChanged)
    00069     Q_PROPERTY(int duration READ duration)
    00070
    00071 public:
    00072     enum Direction {
    00073         Forward,
    00074         Backward
    00075     };
    00076
    00077     enum State {
    00078         Stopped,
    00079         Paused,
    00080         Running
    00081     };
    00082
    00083     enum DeletionPolicy {
    00084         KeepWhenStopped = 0,
    00085         DeleteWhenStopped
    00086     };
    00087
    00088     QAbstractAnimation(QObject *parent = 0);
    00089     virtual ~QAbstractAnimation();
    00090
    00091     State state() const;
    00092
    00093     QAnimationGroup *group() const;
    00094
    00095     Direction direction() const;
    00096     void setDirection(Direction direction);
    00097
    00098     int currentTime() const;
    00099     int currentLoopTime() const;
    00100
    00101     int loopCount() const;
    00102     void setLoopCount(int loopCount);
    00103     int currentLoop() const;
    00104
    00105     virtual int duration() const = 0;
    00106     int totalDuration() const;
    00107
    00108 Q_SIGNALS:
    00109     void finished();
    00110     void stateChanged(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
    00111     void currentLoopChanged(int currentLoop);
    00112     void directionChanged(QAbstractAnimation::Direction);
    00113
    00114 public Q_SLOTS:
    00115     void start(QAbstractAnimation::DeletionPolicy policy = KeepWhenStopped);
    00116     void pause();
    00117     void resume();
    00118     void setPaused(bool);
    00119     void stop();
    00120     void setCurrentTime(int msecs);
    00121
    00122 protected:
    00123     QAbstractAnimation(QAbstractAnimationPrivate &dd, QObject *parent = 0);
    00124     bool event(QEvent *event);
    00125
    00126     virtual void updateCurrentTime(int currentTime) = 0;
    00127     virtual void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
    00128     virtual void updateDirection(QAbstractAnimation::Direction direction);
    00129
    00130 private:
    00131     Q_DISABLE_COPY(QAbstractAnimation)
    00132     Q_DECLARE_PRIVATE(QAbstractAnimation)
    00133 };
    00134
    00135 #endif //QT_NO_ANIMATION
    00136
    00137 QT_END_NAMESPACE
    00138
    00139 QT_END_HEADER
    00140
    00141 #endif // QABSTRACTANIMATION_H