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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQml 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 QABSTRACTANIMATIONJOB_P_H
#define QABSTRACTANIMATIONJOB_P_H
#include <private/qtqmlglobal_p.h>
#include <QtCore/QObject>
#include <QtCore/private/qabstractanimation_p.h>
#include "private/qpodvector_p.h"
QT_BEGIN_NAMESPACE
class QAnimationGroupJob;
class QAnimationJobChangeListener;
class Q_QML_PRIVATE_EXPORT QAbstractAnimationJob
{
Q_DISABLE_COPY(QAbstractAnimationJob)
public:
enum Direction {
Forward,
Backward
};
enum State {
Stopped,
Paused,
Running
};
QAbstractAnimationJob();
virtual ~QAbstractAnimationJob();
//definition
inline QAnimationGroupJob *group() const {return m_group;}
inline int loopCount() const {return m_loopCount;}
void setLoopCount(int loopCount);
int totalDuration() const;
virtual int duration() const {return 0;}
inline QAbstractAnimationJob::Direction direction() const {return m_direction;}
void setDirection(QAbstractAnimationJob::Direction direction);
//state
inline int currentTime() const {return m_totalCurrentTime;}
inline int currentLoopTime() const {return m_currentTime;}
inline int currentLoop() const {return m_currentLoop;}
inline QAbstractAnimationJob::State state() const {return m_state;}
inline bool isRunning() { return m_state == Running; }
inline bool isStopped() { return m_state == Stopped; }
inline bool isPaused() { return m_state == Paused; }
void setDisableUserControl();
void setEnableUserControl();
bool userControlDisabled() const;
void setCurrentTime(int msecs);
void start();
void pause();
void resume();
void stop();
enum ChangeType {
Completion = 0x01,
StateChange = 0x02,
CurrentLoop = 0x04,
CurrentTime = 0x08
};
Q_DECLARE_FLAGS(ChangeTypes, ChangeType)
void addAnimationChangeListener(QAnimationJobChangeListener *listener, QAbstractAnimationJob::ChangeTypes);
void removeAnimationChangeListener(QAnimationJobChangeListener *listener, QAbstractAnimationJob::ChangeTypes);
QAbstractAnimationJob *nextSibling() const { return m_nextSibling; }
QAbstractAnimationJob *previousSibling() const { return m_previousSibling; }
bool isGroup() const { return m_isGroup; }
bool isRenderThreadJob() const { return m_isRenderThreadJob; }
bool isRenderThreadProxy() const { return m_isRenderThreadProxy; }
protected:
virtual void updateCurrentTime(int) {}
virtual void updateState(QAbstractAnimationJob::State newState, QAbstractAnimationJob::State oldState);
virtual void updateDirection(QAbstractAnimationJob::Direction direction);
virtual void topLevelAnimationLoopChanged() {}
virtual void debugAnimation(QDebug d) const;
void fireTopLevelAnimationLoopChanged();
void setState(QAbstractAnimationJob::State state);
void finished();
void stateChanged(QAbstractAnimationJob::State newState, QAbstractAnimationJob::State oldState);
void currentLoopChanged();
void directionChanged(QAbstractAnimationJob::Direction);
void currentTimeChanged(int currentTime);
//definition
int m_loopCount;
QAnimationGroupJob *m_group;
QAbstractAnimationJob::Direction m_direction;
//state
QAbstractAnimationJob::State m_state;
int m_totalCurrentTime;
int m_currentTime;
int m_currentLoop;
//records the finish time for an uncontrolled animation (used by animation groups)
int m_uncontrolledFinishTime;
int m_currentLoopStartTime; // used together with m_uncontrolledFinishTime
struct ChangeListener {
ChangeListener(QAnimationJobChangeListener *l, QAbstractAnimationJob::ChangeTypes t) : listener(l), types(t) {}
QAnimationJobChangeListener *listener;
QAbstractAnimationJob::ChangeTypes types;
bool operator==(const ChangeListener &other) const { return listener == other.listener && types == other.types; }
};
QPODVector<ChangeListener,1> changeListeners;
QAbstractAnimationJob *m_nextSibling;
QAbstractAnimationJob *m_previousSibling;
bool *m_wasDeleted;
bool m_hasRegisteredTimer:1;
bool m_isPause:1;
bool m_isGroup:1;
bool m_disableUserControl:1;
bool m_hasCurrentTimeChangeListeners:1;
bool m_isRenderThreadJob:1;
bool m_isRenderThreadProxy:1;
friend class QQmlAnimationTimer;
friend class QAnimationGroupJob;
friend Q_QML_PRIVATE_EXPORT QDebug operator<<(QDebug, const QAbstractAnimationJob *job);
};
class Q_QML_PRIVATE_EXPORT QAnimationJobChangeListener
{
public:
virtual ~QAnimationJobChangeListener();
virtual void animationFinished(QAbstractAnimationJob *) {}
virtual void animationStateChanged(QAbstractAnimationJob *, QAbstractAnimationJob::State, QAbstractAnimationJob::State) {}
virtual void animationCurrentLoopChanged(QAbstractAnimationJob *) {}
virtual void animationCurrentTimeChanged(QAbstractAnimationJob *, int) {}
};
class Q_QML_PRIVATE_EXPORT QQmlAnimationTimer : public QAbstractAnimationTimer
{
Q_OBJECT
private:
QQmlAnimationTimer();
public:
static QQmlAnimationTimer *instance();
static QQmlAnimationTimer *instance(bool create);
static void registerAnimation(QAbstractAnimationJob *animation, bool isTopLevel);
static void unregisterAnimation(QAbstractAnimationJob *animation);
/*
this is used for updating the currentTime of all animations in case the pause
timer is active or, otherwise, only of the animation passed as parameter.
*/
static void ensureTimerUpdate();
/*
this will evaluate the need of restarting the pause timer in case there is still
some pause animations running.
*/
static void updateAnimationTimer();
void restartAnimationTimer();
void updateAnimationsTime(qint64 timeStep);
//useful for profiling/debugging
int runningAnimationCount() { return animations.count(); }
bool hasStartAnimationPending() const { return startAnimationPending; }
public Q_SLOTS:
void startAnimations();
void stopTimer();
private:
qint64 lastTick;
int currentAnimationIdx;
bool insideTick;
bool startAnimationPending;
bool stopTimerPending;
QList<QAbstractAnimationJob*> animations, animationsToStart;
// this is the count of running animations that are not a group neither a pause animation
int runningLeafAnimations;
QList<QAbstractAnimationJob*> runningPauseAnimations;
void registerRunningAnimation(QAbstractAnimationJob *animation);
void unregisterRunningAnimation(QAbstractAnimationJob *animation);
int closestPauseAnimationTimeToFinish();
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QAbstractAnimationJob::ChangeTypes)
Q_QML_PRIVATE_EXPORT QDebug operator<<(QDebug, const QAbstractAnimationJob *job);
QT_END_NAMESPACE
#endif // QABSTRACTANIMATIONJOB_P_H
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