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36
37#ifndef QQUICKANIMATEDNODE_P_H
38#define QQUICKANIMATEDNODE_P_H
39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists purely as an
45// implementation detail. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49//
50
51#include <QtQuick/qsgnode.h>
52#include <QtCore/qelapsedtimer.h>
53#include <QtQuickControls2/private/qtquickcontrols2global_p.h>
54
55QT_BEGIN_NAMESPACE
56
57class QQuickItem;
58class QQuickWindow;
59
60class Q_QUICKCONTROLS2_PRIVATE_EXPORT QQuickAnimatedNode : public QObject, public QSGTransformNode
61{
62 Q_OBJECT
63
64public:
65 explicit QQuickAnimatedNode(QQuickItem *target);
66
67 bool isRunning() const;
68
69 int currentTime() const;
70 void setCurrentTime(int time);
71
72 int duration() const;
73 void setDuration(int duration);
74
75 enum LoopCount { Infinite = -1 };
76
77 int loopCount() const;
78 void setLoopCount(int count);
79
80 virtual void sync(QQuickItem *target);
81
82 QQuickWindow *window() const;
83
84 // must be called from sync() or updatePaintNode()
85 void start(int duration = 0);
86 void restart();
87 void stop();
88
89Q_SIGNALS:
90 void started();
91 void stopped();
92
93protected:
94 virtual void updateCurrentTime(int time);
95
96private Q_SLOTS:
97 void advance();
98 void update();
99
100private:
101 bool m_running = false;
102 int m_duration = 0;
103 int m_loopCount = 1;
104 int m_currentTime = 0;
105 int m_currentLoop = 0;
106 QElapsedTimer m_timer;
107 QQuickWindow *m_window = nullptr;
108};
109
110QT_END_NAMESPACE
111
112#endif // QQUICKANIMATEDNODE_P_H
113

source code of qtquickcontrols2/src/quickcontrols2/qquickanimatednode_p.h