| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QSEQUENTIALANIMATIONGROUPJOB_P_H |
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| 5 | #define QSEQUENTIALANIMATIONGROUPJOB_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists purely as an |
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| 12 | // implementation detail. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <private/qanimationgroupjob_p.h> |
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| 19 | |
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| 20 | QT_REQUIRE_CONFIG(qml_animation); |
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| 21 | |
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| 22 | QT_BEGIN_NAMESPACE |
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| 23 | |
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| 24 | class QPauseAnimationJob; |
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| 25 | class Q_QML_PRIVATE_EXPORT QSequentialAnimationGroupJob : public QAnimationGroupJob |
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| 26 | { |
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| 27 | Q_DISABLE_COPY(QSequentialAnimationGroupJob) |
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| 28 | public: |
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| 29 | QSequentialAnimationGroupJob(); |
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| 30 | ~QSequentialAnimationGroupJob(); |
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| 31 | |
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| 32 | int duration() const override; |
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| 33 | |
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| 34 | QAbstractAnimationJob *currentAnimation() const { return m_currentAnimation; } |
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| 35 | void clear() override; |
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| 36 | |
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| 37 | protected: |
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| 38 | void updateCurrentTime(int) override; |
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| 39 | void updateState(QAbstractAnimationJob::State newState, QAbstractAnimationJob::State oldState) override; |
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| 40 | void updateDirection(QAbstractAnimationJob::Direction direction) override; |
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| 41 | void uncontrolledAnimationFinished(QAbstractAnimationJob *animation) override; |
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| 42 | void debugAnimation(QDebug d) const override; |
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| 43 | |
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| 44 | private: |
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| 45 | struct AnimationIndex |
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| 46 | { |
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| 47 | AnimationIndex() {} |
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| 48 | // AnimationIndex points to the animation at timeOffset, skipping 0 duration animations. |
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| 49 | // Note that the index semantic is slightly different depending on the direction. |
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| 50 | bool afterCurrent = false; //whether animation is before or after m_currentAnimation //TODO: make enum Before/After/Same |
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| 51 | int timeOffset = 0; // time offset when the animation at index starts. |
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| 52 | const QAbstractAnimationJob *animation = nullptr; //points to the animation at timeOffset |
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| 53 | }; |
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| 54 | |
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| 55 | int animationActualTotalDuration(const QAbstractAnimationJob *anim) const; |
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| 56 | AnimationIndex indexForCurrentTime() const; |
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| 57 | |
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| 58 | void setCurrentAnimation(const QAbstractAnimationJob *anim, bool intermediate = false); |
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| 59 | void activateCurrentAnimation(bool intermediate = false); |
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| 60 | |
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| 61 | void animationInserted(QAbstractAnimationJob *anim) override; |
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| 62 | void animationRemoved(QAbstractAnimationJob *anim, QAbstractAnimationJob *, QAbstractAnimationJob *) override; |
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| 63 | |
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| 64 | bool atEnd() const; |
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| 65 | |
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| 66 | void restart(); |
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| 67 | |
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| 68 | // handle time changes |
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| 69 | void rewindForwards(const AnimationIndex &newAnimationIndex); |
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| 70 | void advanceForwards(const AnimationIndex &newAnimationIndex); |
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| 71 | |
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| 72 | //state |
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| 73 | QAbstractAnimationJob *m_currentAnimation = nullptr; |
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| 74 | int m_previousLoop = 0; |
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| 75 | }; |
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| 76 | |
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| 77 | QT_END_NAMESPACE |
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| 78 | |
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| 79 | #endif //QSEQUENTIALANIMATIONGROUPJOB_P_H |
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| 80 | |
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