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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QABSTRACTANIMATION_H
#define QABSTRACTANIMATION_H
#include <QtCore/qobject.h>
QT_REQUIRE_CONFIG(animation);
QT_BEGIN_NAMESPACE
class QAnimationGroup;
class QSequentialAnimationGroup;
class QAnimationDriver;
class QUnifiedTimer;
class QAbstractAnimationPrivate;
class Q_CORE_EXPORT QAbstractAnimation : public QObject
{
Q_OBJECT
Q_PROPERTY(State state READ state NOTIFY stateChanged BINDABLE bindableState)
Q_PROPERTY(int loopCount READ loopCount WRITE setLoopCount BINDABLE bindableLoopCount)
Q_PROPERTY(int currentTime READ currentTime WRITE setCurrentTime BINDABLE bindableCurrentTime)
Q_PROPERTY(int currentLoop READ currentLoop NOTIFY currentLoopChanged
BINDABLE bindableCurrentLoop)
Q_PROPERTY(Direction direction READ direction WRITE setDirection NOTIFY directionChanged
BINDABLE bindableDirection)
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 = nullptr);
virtual ~QAbstractAnimation();
State state() const;
QBindable<QAbstractAnimation::State> bindableState() const;
QAnimationGroup *group() const;
Direction direction() const;
void setDirection(Direction direction);
QBindable<Direction> bindableDirection();
int currentTime() const;
QBindable<int> bindableCurrentTime();
int currentLoopTime() const;
int loopCount() const;
void setLoopCount(int loopCount);
QBindable<int> bindableLoopCount();
int currentLoop() const;
QBindable<int> bindableCurrentLoop() 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 = nullptr);
bool event(QEvent *event) 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 = nullptr);
~QAnimationDriver();
virtual void advance();
void install();
void uninstall();
bool isRunning() const;
virtual qint64 elapsed() const;
Q_SIGNALS:
void started();
void stopped();
protected:
void advanceAnimation();
virtual void start();
virtual void stop();
QAnimationDriver(QAnimationDriverPrivate &dd, QObject *parent = nullptr);
private:
friend class QUnifiedTimer;
};
QT_END_NAMESPACE
#endif // QABSTRACTANIMATION_H
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