1// Copyright (C) 2019 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
3
4#ifndef QQUICKTIMELINE_P_H
5#define QQUICKTIMELINE_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 "qquickkeyframe_p.h"
19#include "qquicktimelineanimation_p.h"
20#include "qtquicktimelineglobal_p.h"
21
22#include <QtQml/qqml.h>
23
24QT_BEGIN_NAMESPACE
25
26class QQuickTimelinePrivate;
27
28class Q_QUICKTIMELINE_PRIVATE_EXPORT QQuickTimeline : public QObject, public QQmlParserStatus
29{
30 Q_OBJECT
31 Q_DECLARE_PRIVATE(QQuickTimeline)
32
33 Q_INTERFACES(QQmlParserStatus)
34
35 Q_PROPERTY(qreal startFrame READ startFrame WRITE setStartFrame NOTIFY startFrameChanged)
36 Q_PROPERTY(qreal endFrame READ endFrame WRITE setEndFrame NOTIFY endFrameChanged)
37 Q_PROPERTY(qreal currentFrame READ currentFrame WRITE setCurrentFrame NOTIFY currentFrameChanged)
38 Q_PROPERTY(QQmlListProperty<QQuickKeyframeGroup> keyframeGroups READ keyframeGroups)
39 Q_PROPERTY(QQmlListProperty<QQuickTimelineAnimation> animations READ animations)
40 Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged)
41
42 QML_NAMED_ELEMENT(Timeline)
43 QML_ADDED_IN_VERSION(1, 0)
44
45 Q_CLASSINFO("DefaultProperty", "keyframeGroups")
46
47public:
48 explicit QQuickTimeline(QObject *parent = nullptr);
49
50 QQmlListProperty<QQuickKeyframeGroup> keyframeGroups();
51 QQmlListProperty<QQuickTimelineAnimation> animations();
52
53 bool enabled() const;
54 void setEnabled(bool enabled);
55
56 qreal startFrame() const;
57 void setStartFrame(qreal);
58
59 qreal endFrame() const;
60 void setEndFrame(qreal);
61
62 qreal currentFrame() const;
63 void setCurrentFrame(qreal);
64
65 void reevaluate();
66
67 void init();
68 void reset();
69
70 QList<QQuickTimelineAnimation*> getAnimations() const;
71
72protected:
73 void classBegin() override;
74 void componentComplete() override;
75
76Q_SIGNALS:
77 void enabledChanged();
78 void startFrameChanged();
79 void endFrameChanged();
80 void currentFrameChanged();
81};
82
83QT_END_NAMESPACE
84
85#endif // QQUICKTIMELINE_P_H
86

source code of qtquicktimeline/src/timeline/qquicktimeline_p.h