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39 | |
40 | #ifndef QSEQUENTIALANIMATIONGROUPJOB_P_H |
41 | #define QSEQUENTIALANIMATIONGROUPJOB_P_H |
42 | |
43 | // |
44 | // W A R N I N G |
45 | // ------------- |
46 | // |
47 | // This file is not part of the Qt API. It exists purely as an |
48 | // implementation detail. This header file may change from version to |
49 | // version without notice, or even be removed. |
50 | // |
51 | // We mean it. |
52 | // |
53 | |
54 | #include <private/qanimationgroupjob_p.h> |
55 | |
56 | QT_REQUIRE_CONFIG(qml_animation); |
57 | |
58 | QT_BEGIN_NAMESPACE |
59 | |
60 | class QPauseAnimationJob; |
61 | class Q_QML_PRIVATE_EXPORT QSequentialAnimationGroupJob : public QAnimationGroupJob |
62 | { |
63 | Q_DISABLE_COPY(QSequentialAnimationGroupJob) |
64 | public: |
65 | QSequentialAnimationGroupJob(); |
66 | ~QSequentialAnimationGroupJob(); |
67 | |
68 | int duration() const override; |
69 | |
70 | QAbstractAnimationJob *currentAnimation() const { return m_currentAnimation; } |
71 | void clear() override; |
72 | |
73 | protected: |
74 | void updateCurrentTime(int) override; |
75 | void updateState(QAbstractAnimationJob::State newState, QAbstractAnimationJob::State oldState) override; |
76 | void updateDirection(QAbstractAnimationJob::Direction direction) override; |
77 | void uncontrolledAnimationFinished(QAbstractAnimationJob *animation) override; |
78 | void debugAnimation(QDebug d) const override; |
79 | |
80 | private: |
81 | struct AnimationIndex |
82 | { |
83 | AnimationIndex() {} |
84 | // AnimationIndex points to the animation at timeOffset, skipping 0 duration animations. |
85 | // Note that the index semantic is slightly different depending on the direction. |
86 | bool afterCurrent = false; //whether animation is before or after m_currentAnimation //TODO: make enum Before/After/Same |
87 | int timeOffset = 0; // time offset when the animation at index starts. |
88 | QAbstractAnimationJob *animation = nullptr; //points to the animation at timeOffset |
89 | }; |
90 | |
91 | int animationActualTotalDuration(QAbstractAnimationJob *anim) const; |
92 | AnimationIndex indexForCurrentTime() const; |
93 | |
94 | void setCurrentAnimation(QAbstractAnimationJob *anim, bool intermediate = false); |
95 | void activateCurrentAnimation(bool intermediate = false); |
96 | |
97 | void animationInserted(QAbstractAnimationJob *anim) override; |
98 | void animationRemoved(QAbstractAnimationJob *anim, QAbstractAnimationJob *, QAbstractAnimationJob *) override; |
99 | |
100 | bool atEnd() const; |
101 | |
102 | void restart(); |
103 | |
104 | // handle time changes |
105 | void rewindForwards(const AnimationIndex &newAnimationIndex); |
106 | void advanceForwards(const AnimationIndex &newAnimationIndex); |
107 | |
108 | //state |
109 | QAbstractAnimationJob *m_currentAnimation = nullptr; |
110 | int m_previousLoop = 0; |
111 | }; |
112 | |
113 | QT_END_NAMESPACE |
114 | |
115 | #endif //QSEQUENTIALANIMATIONGROUPJOB_P_H |
116 | |