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39 | |
40 | #ifndef QQUICKSMOOTHEDANIMATION2_P_H |
41 | #define QQUICKSMOOTHEDANIMATION2_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 "qquicksmoothedanimation_p.h" |
55 | #include "qquickanimation_p.h" |
56 | |
57 | #include "qquickanimation_p_p.h" |
58 | |
59 | #include <private/qobject_p.h> |
60 | #include <QBasicTimer> |
61 | |
62 | QT_BEGIN_NAMESPACE |
63 | class QSmoothedAnimation; |
64 | class QSmoothedAnimationTimer : public QTimer |
65 | { |
66 | Q_OBJECT |
67 | public: |
68 | explicit QSmoothedAnimationTimer(QSmoothedAnimation *animation, QObject *parent = nullptr); |
69 | ~QSmoothedAnimationTimer(); |
70 | public Q_SLOTS: |
71 | void stopAnimation(); |
72 | private: |
73 | QSmoothedAnimation *m_animation; |
74 | }; |
75 | |
76 | class QQuickSmoothedAnimationPrivate; |
77 | class Q_AUTOTEST_EXPORT QSmoothedAnimation : public QAbstractAnimationJob |
78 | { |
79 | Q_DISABLE_COPY(QSmoothedAnimation) |
80 | public: |
81 | QSmoothedAnimation(QQuickSmoothedAnimationPrivate * = nullptr); |
82 | |
83 | ~QSmoothedAnimation(); |
84 | qreal to; |
85 | qreal velocity; |
86 | int userDuration; |
87 | |
88 | int maximumEasingTime; |
89 | QQuickSmoothedAnimation::ReversingMode reversingMode; |
90 | |
91 | qreal initialVelocity; |
92 | qreal trackVelocity; |
93 | |
94 | QQmlProperty target; |
95 | |
96 | int duration() const override; |
97 | void restart(); |
98 | void init(); |
99 | |
100 | void prepareForRestart(); |
101 | void clearTemplate() { animationTemplate = nullptr; } |
102 | |
103 | protected: |
104 | void updateCurrentTime(int) override; |
105 | void updateState(QAbstractAnimationJob::State, QAbstractAnimationJob::State) override; |
106 | void debugAnimation(QDebug d) const override; |
107 | |
108 | private: |
109 | qreal easeFollow(qreal); |
110 | qreal initialValue; |
111 | |
112 | bool invert; |
113 | |
114 | int finalDuration; |
115 | |
116 | // Parameters for use in updateCurrentTime() |
117 | qreal a; // Acceleration |
118 | qreal d; // Deceleration |
119 | qreal tf; // Total time |
120 | qreal tp; // Time at which peak velocity occurs |
121 | qreal td; // Time at which deceleration begins |
122 | qreal vp; // Velocity at tp |
123 | qreal sp; // Displacement at tp |
124 | qreal sd; // Displacement at td |
125 | qreal vi; // "Normalized" initialvelocity |
126 | qreal s; // Total s |
127 | |
128 | int lastTime; |
129 | bool skipUpdate; |
130 | |
131 | bool recalc(); |
132 | void delayedStop(); |
133 | QSmoothedAnimationTimer *delayedStopTimer; |
134 | QQuickSmoothedAnimationPrivate *animationTemplate; |
135 | }; |
136 | |
137 | class QQuickSmoothedAnimationPrivate : public QQuickPropertyAnimationPrivate |
138 | { |
139 | Q_DECLARE_PUBLIC(QQuickSmoothedAnimation) |
140 | public: |
141 | QQuickSmoothedAnimationPrivate(); |
142 | ~QQuickSmoothedAnimationPrivate(); |
143 | void updateRunningAnimations(); |
144 | |
145 | QSmoothedAnimation *anim; |
146 | QHash<QQmlProperty, QSmoothedAnimation*> activeAnimations; |
147 | }; |
148 | |
149 | QT_END_NAMESPACE |
150 | |
151 | #endif // QQUICKSMOOTHEDANIMATION2_P_H |
152 | |