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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QABSTRACTANIMATION_H
#define QABSTRACTANIMATION_H
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
#ifndef QT_NO_ANIMATION
class QAnimationGroup;
class QSequentialAnimationGroup;
class QAnimationDriver;
class QAbstractAnimationPrivate;
class Q_CORE_EXPORT QAbstractAnimation : public QObject
{
Q_OBJECT
Q_PROPERTY(State state READ state NOTIFY stateChanged)
Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount)
Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime)
Q_PROPERTY(int currentLoop READ currentLoop NOTIFY currentLoopChanged)
Q_PROPERTY(Direction direction READ direction WRITE setDirection NOTIFY directionChanged)
Q_PROPERTY(int duration READ duration)
public:
enum Direction {
Forward,
Backward
};
Q_ENUM(Direction)
enum State {
Stopped,
Paused,
Running
};
Q_ENUM(State)
enum DeletionPolicy {
KeepWhenStopped = 0,
DeleteWhenStopped
};
QAbstractAnimation(QObject *parent = Q_NULLPTR);
virtual ~QAbstractAnimation();
State state() const;
QAnimationGroup *group() const;
Direction direction() const;
void setDirection(Direction direction);
int currentTime() const;
int currentLoopTime() const;
int loopCount() const;
void setLoopCount(int loopCount);
int currentLoop() const;
virtual int duration() const = 0;
int totalDuration() const;
Q_SIGNALS:
void finished();
void stateChanged(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
void currentLoopChanged(int currentLoop);
void directionChanged(QAbstractAnimation::Direction);
public Q_SLOTS:
void start(QAbstractAnimation::DeletionPolicy policy = KeepWhenStopped);
void pause();
void resume();
void setPaused(bool);
void stop();
void setCurrentTime(int msecs);
protected:
QAbstractAnimation(QAbstractAnimationPrivate &dd, QObject *parent = Q_NULLPTR);
bool event(QEvent *event) Q_DECL_OVERRIDE;
virtual void updateCurrentTime(int currentTime) = 0;
virtual void updateState(QAbstractAnimation::State newState, QAbstractAnimation::State oldState);
virtual void updateDirection(QAbstractAnimation::Direction direction);
private:
Q_DISABLE_COPY(QAbstractAnimation)
Q_DECLARE_PRIVATE(QAbstractAnimation)
};
class QAnimationDriverPrivate;
class Q_CORE_EXPORT QAnimationDriver : public QObject
{
Q_OBJECT
Q_DECLARE_PRIVATE(QAnimationDriver)
public:
QAnimationDriver(QObject *parent = Q_NULLPTR);
~QAnimationDriver();
virtual void advance();
void install();
void uninstall();
bool isRunning() const;
virtual qint64 elapsed() const;
// ### Qt6: Remove these two functions
void setStartTime(qint64 startTime);
qint64 startTime() const;
Q_SIGNALS:
void started();
void stopped();
protected:
// ### Qt6: Remove timestep argument
void advanceAnimation(qint64 timeStep = -1);
virtual void start();
virtual void stop();
QAnimationDriver(QAnimationDriverPrivate &dd, QObject *parent = Q_NULLPTR);
private:
friend class QUnifiedTimer;
};
#endif //QT_NO_ANIMATION
QT_END_NAMESPACE
#endif // QABSTRACTANIMATION_H
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