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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
62QT_BEGIN_NAMESPACE
63class QSmoothedAnimation;
64class QSmoothedAnimationTimer : public QTimer
65{
66 Q_OBJECT
67public:
68 explicit QSmoothedAnimationTimer(QSmoothedAnimation *animation, QObject *parent = nullptr);
69 ~QSmoothedAnimationTimer();
70public Q_SLOTS:
71 void stopAnimation();
72private:
73 QSmoothedAnimation *m_animation;
74};
75
76class QQuickSmoothedAnimationPrivate;
77class Q_AUTOTEST_EXPORT QSmoothedAnimation : public QAbstractAnimationJob
78{
79 Q_DISABLE_COPY(QSmoothedAnimation)
80public:
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
103protected:
104 void updateCurrentTime(int) override;
105 void updateState(QAbstractAnimationJob::State, QAbstractAnimationJob::State) override;
106 void debugAnimation(QDebug d) const override;
107
108private:
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
137class QQuickSmoothedAnimationPrivate : public QQuickPropertyAnimationPrivate
138{
139 Q_DECLARE_PUBLIC(QQuickSmoothedAnimation)
140public:
141 QQuickSmoothedAnimationPrivate();
142 ~QQuickSmoothedAnimationPrivate();
143 void updateRunningAnimations();
144
145 QSmoothedAnimation *anim;
146 QHash<QQmlProperty, QSmoothedAnimation*> activeAnimations;
147};
148
149QT_END_NAMESPACE
150
151#endif // QQUICKSMOOTHEDANIMATION2_P_H
152