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