| /**************************************************************************** |
| ** |
| ** 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_P_H |
| #define QABSTRACTANIMATION_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. |
| // This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <QtCore/qbasictimer.h> |
| #include <QtCore/qdatetime.h> |
| #include <QtCore/qtimer.h> |
| #include <QtCore/qelapsedtimer.h> |
| #include <private/qobject_p.h> |
| #include <qabstractanimation.h> |
| |
| #ifndef QT_NO_ANIMATION |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QAnimationGroup; |
| class QAbstractAnimation; |
| class QAbstractAnimationPrivate : public QObjectPrivate |
| { |
| public: |
| QAbstractAnimationPrivate() |
| : state(QAbstractAnimation::Stopped), |
| direction(QAbstractAnimation::Forward), |
| totalCurrentTime(0), |
| currentTime(0), |
| loopCount(1), |
| currentLoop(0), |
| deleteWhenStopped(false), |
| hasRegisteredTimer(false), |
| isPause(false), |
| isGroup(false), |
| group(0) |
| { |
| } |
| |
| virtual ~QAbstractAnimationPrivate() {} |
| |
| static QAbstractAnimationPrivate *get(QAbstractAnimation *q) |
| { |
| return q->d_func(); |
| } |
| |
| QAbstractAnimation::State state; |
| QAbstractAnimation::Direction direction; |
| void setState(QAbstractAnimation::State state); |
| |
| int totalCurrentTime; |
| int currentTime; |
| int loopCount; |
| int currentLoop; |
| |
| bool deleteWhenStopped; |
| bool hasRegisteredTimer; |
| bool isPause; |
| bool isGroup; |
| |
| QAnimationGroup *group; |
| |
| private: |
| Q_DECLARE_PUBLIC(QAbstractAnimation) |
| }; |
| |
| |
| class QUnifiedTimer; |
| class QDefaultAnimationDriver : public QAnimationDriver |
| { |
| Q_OBJECT |
| public: |
| QDefaultAnimationDriver(QUnifiedTimer *timer); |
| void timerEvent(QTimerEvent *e) Q_DECL_OVERRIDE; |
| |
| private Q_SLOTS: |
| void startTimer(); |
| void stopTimer(); |
| |
| private: |
| QBasicTimer m_timer; |
| QUnifiedTimer *m_unified_timer; |
| }; |
| |
| class Q_CORE_EXPORT QAnimationDriverPrivate : public QObjectPrivate |
| { |
| public: |
| QAnimationDriverPrivate() : running(false) {} |
| QElapsedTimer timer; |
| bool running; |
| }; |
| |
| class Q_CORE_EXPORT QAbstractAnimationTimer : public QObject |
| { |
| Q_OBJECT |
| public: |
| QAbstractAnimationTimer() : isRegistered(false), isPaused(false), pauseDuration(0) {} |
| |
| virtual void updateAnimationsTime(qint64 delta) = 0; |
| virtual void restartAnimationTimer() = 0; |
| virtual int runningAnimationCount() = 0; |
| |
| bool isRegistered; |
| bool isPaused; |
| int pauseDuration; |
| }; |
| |
| class Q_CORE_EXPORT QUnifiedTimer : public QObject |
| { |
| Q_OBJECT |
| private: |
| QUnifiedTimer(); |
| |
| public: |
| static QUnifiedTimer *instance(); |
| static QUnifiedTimer *instance(bool create); |
| |
| static void startAnimationTimer(QAbstractAnimationTimer *timer); |
| static void stopAnimationTimer(QAbstractAnimationTimer *timer); |
| |
| static void pauseAnimationTimer(QAbstractAnimationTimer *timer, int duration); |
| static void resumeAnimationTimer(QAbstractAnimationTimer *timer); |
| |
| //defines the timing interval. Default is DEFAULT_TIMER_INTERVAL |
| void setTimingInterval(int interval); |
| |
| /* |
| this allows to have a consistent timer interval at each tick from the timer |
| not taking the real time that passed into account. |
| */ |
| void setConsistentTiming(bool consistent) { consistentTiming = consistent; } |
| |
| //these facilitate fine-tuning of complex animations |
| void setSlowModeEnabled(bool enabled) { slowMode = enabled; } |
| void setSlowdownFactor(qreal factor) { slowdownFactor = factor; } |
| |
| void installAnimationDriver(QAnimationDriver *driver); |
| void uninstallAnimationDriver(QAnimationDriver *driver); |
| bool canUninstallAnimationDriver(QAnimationDriver *driver); |
| |
| void restart(); |
| void maybeUpdateAnimationsToCurrentTime(); |
| void updateAnimationTimers(qint64 currentTick); |
| |
| //useful for profiling/debugging |
| int runningAnimationCount(); |
| void registerProfilerCallback(void (*cb)(qint64)); |
| |
| void startAnimationDriver(); |
| void stopAnimationDriver(); |
| qint64 elapsed() const; |
| |
| protected: |
| void timerEvent(QTimerEvent *) Q_DECL_OVERRIDE; |
| |
| private Q_SLOTS: |
| void startTimers(); |
| void stopTimer(); |
| |
| private: |
| friend class QDefaultAnimationDriver; |
| friend class QAnimationDriver; |
| |
| QAnimationDriver *driver; |
| QDefaultAnimationDriver defaultDriver; |
| |
| QBasicTimer pauseTimer; |
| |
| QElapsedTimer time; |
| |
| qint64 lastTick; |
| int timingInterval; |
| int currentAnimationIdx; |
| bool insideTick; |
| bool insideRestart; |
| bool consistentTiming; |
| bool slowMode; |
| bool startTimersPending; |
| bool stopTimerPending; |
| |
| // This factor will be used to divide the DEFAULT_TIMER_INTERVAL at each tick |
| // when slowMode is enabled. Setting it to 0 or higher than DEFAULT_TIMER_INTERVAL (16) |
| // stops all animations. |
| qreal slowdownFactor; |
| |
| QList<QAbstractAnimationTimer*> animationTimers, animationTimersToStart; |
| QList<QAbstractAnimationTimer*> pausedAnimationTimers; |
| |
| void localRestart(); |
| int closestPausedAnimationTimerTimeToFinish(); |
| |
| void (*profilerCallback)(qint64); |
| |
| qint64 driverStartTime; // The time the animation driver was started |
| qint64 temporalDrift; // The delta between animation driver time and wall time. |
| }; |
| |
| class QAnimationTimer : public QAbstractAnimationTimer |
| { |
| Q_OBJECT |
| private: |
| QAnimationTimer(); |
| |
| public: |
| static QAnimationTimer *instance(); |
| static QAnimationTimer *instance(bool create); |
| |
| static void registerAnimation(QAbstractAnimation *animation, bool isTopLevel); |
| static void unregisterAnimation(QAbstractAnimation *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() Q_DECL_OVERRIDE; |
| void updateAnimationsTime(qint64 delta) Q_DECL_OVERRIDE; |
| |
| //useful for profiling/debugging |
| int runningAnimationCount() Q_DECL_OVERRIDE { return animations.count(); } |
| |
| private Q_SLOTS: |
| void startAnimations(); |
| void stopTimer(); |
| |
| private: |
| qint64 lastTick; |
| int currentAnimationIdx; |
| bool insideTick; |
| bool startAnimationPending; |
| bool stopTimerPending; |
| |
| QList<QAbstractAnimation*> animations, animationsToStart; |
| |
| // this is the count of running animations that are not a group neither a pause animation |
| int runningLeafAnimations; |
| QList<QAbstractAnimation*> runningPauseAnimations; |
| |
| void registerRunningAnimation(QAbstractAnimation *animation); |
| void unregisterRunningAnimation(QAbstractAnimation *animation); |
| |
| int closestPauseAnimationTimeToFinish(); |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif //QT_NO_ANIMATION |
| |
| #endif //QABSTRACTANIMATION_P_H |