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Diffstat (limited to 'src/corelib/animation/qabstractanimation_p.h')
| -rw-r--r-- | src/corelib/animation/qabstractanimation_p.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/src/corelib/animation/qabstractanimation_p.h b/src/corelib/animation/qabstractanimation_p.h new file mode 100644 index 0000000000..ba92960f6b --- /dev/null +++ b/src/corelib/animation/qabstractanimation_p.h @@ -0,0 +1,233 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtCore module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** 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 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QABSTRACTANIMATION_P_H +#define QABSTRACTANIMATION_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of QIODevice. 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> + +#ifdef Q_OS_WIN +#include <qt_windows.h> +#endif + +#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); + + void started(); + void stopped(); + +private: + QBasicTimer m_timer; + QUnifiedTimer *m_unified_timer; +}; + +class Q_CORE_EXPORT QAnimationDriverPrivate : public QObjectPrivate +{ +public: + QAnimationDriverPrivate() : running(false) {} + bool running; +}; + +typedef QElapsedTimer ElapsedTimer; + +class Q_CORE_EXPORT QUnifiedTimer : public QObject +{ +private: + QUnifiedTimer(); + +public: + //XXX this is needed by dui + static QUnifiedTimer *instance(); + static QUnifiedTimer *instance(bool create); + + static void registerAnimation(QAbstractAnimation *animation, bool isTopLevel); + static void unregisterAnimation(QAbstractAnimation *animation); + + //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; } + + /* + 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 installAnimationDriver(QAnimationDriver *driver); + + void restartAnimationTimer(); + void updateAnimationsTime(); + +protected: + void timerEvent(QTimerEvent *); + +private: + friend class QDefaultAnimationDriver; + + QAnimationDriver *driver; + QDefaultAnimationDriver defaultDriver; + + QBasicTimer animationTimer; + // timer used to delay the check if we should start/stop the animation timer + QBasicTimer startStopAnimationTimer; + + ElapsedTimer time; + + qint64 lastTick; + int timingInterval; + int currentAnimationIdx; + bool insideTick; + bool consistentTiming; + bool slowMode; + + // 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; + + // bool to indicate that only pause animations are active + bool isPauseTimerActive; + + 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 |