1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
3 | |
4 | #ifndef QQUICKTRANSITION_H |
5 | #define QQUICKTRANSITION_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 "qquickstate_p.h" |
19 | #include <private/qabstractanimationjob_p.h> |
20 | #include <private/qqmlguard_p.h> |
21 | #include <qqml.h> |
22 | |
23 | #include <QtCore/qobject.h> |
24 | |
25 | QT_BEGIN_NAMESPACE |
26 | |
27 | class QQuickAbstractAnimation; |
28 | class QQuickTransitionPrivate; |
29 | class QQuickTransitionManager; |
30 | class QQuickTransition; |
31 | |
32 | class QQuickTransitionInstance : QAnimationJobChangeListener |
33 | { |
34 | public: |
35 | QQuickTransitionInstance(QQuickTransition *transition, QAbstractAnimationJob *anim); |
36 | ~QQuickTransitionInstance(); |
37 | |
38 | void start(); |
39 | void stop(); |
40 | void complete(); |
41 | |
42 | bool isRunning() const; |
43 | |
44 | protected: |
45 | void animationStateChanged(QAbstractAnimationJob *, QAbstractAnimationJob::State, QAbstractAnimationJob::State) override; |
46 | |
47 | void removeStateChangeListener() |
48 | { |
49 | m_anim->removeAnimationChangeListener(listener: this, QAbstractAnimationJob::StateChange); |
50 | } |
51 | |
52 | private: |
53 | QQmlGuard<QQuickTransition> m_transition; |
54 | QAbstractAnimationJob *m_anim; |
55 | friend class QQuickTransition; |
56 | }; |
57 | |
58 | class Q_QUICK_PRIVATE_EXPORT QQuickTransition : public QObject |
59 | { |
60 | Q_OBJECT |
61 | Q_DECLARE_PRIVATE(QQuickTransition) |
62 | |
63 | Q_PROPERTY(QString from READ fromState WRITE setFromState NOTIFY fromChanged FINAL) |
64 | Q_PROPERTY(QString to READ toState WRITE setToState NOTIFY toChanged FINAL) |
65 | Q_PROPERTY(bool reversible READ reversible WRITE setReversible NOTIFY reversibleChanged FINAL) |
66 | Q_PROPERTY(bool running READ running NOTIFY runningChanged FINAL) |
67 | Q_PROPERTY(QQmlListProperty<QQuickAbstractAnimation> animations READ animations FINAL) |
68 | Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged FINAL) |
69 | Q_CLASSINFO("DefaultProperty" , "animations" ) |
70 | Q_CLASSINFO("DeferredPropertyNames" , "animations" ) |
71 | QML_NAMED_ELEMENT(Transition) |
72 | QML_ADDED_IN_VERSION(2, 0) |
73 | |
74 | public: |
75 | QQuickTransition(QObject *parent=nullptr); |
76 | ~QQuickTransition(); |
77 | |
78 | QString fromState() const; |
79 | void setFromState(const QString &); |
80 | |
81 | QString toState() const; |
82 | void setToState(const QString &); |
83 | |
84 | bool reversible() const; |
85 | void setReversible(bool); |
86 | |
87 | bool enabled() const; |
88 | void setEnabled(bool enabled); |
89 | |
90 | bool running() const; |
91 | |
92 | QQmlListProperty<QQuickAbstractAnimation> animations(); |
93 | |
94 | QQuickTransitionInstance *prepare(QQuickStateOperation::ActionList &actions, |
95 | QList<QQmlProperty> &after, |
96 | QQuickTransitionManager *end, |
97 | QObject *defaultTarget); |
98 | |
99 | void setReversed(bool r); |
100 | |
101 | Q_SIGNALS: |
102 | void fromChanged(); |
103 | void toChanged(); |
104 | void reversibleChanged(); |
105 | void enabledChanged(); |
106 | void runningChanged(); |
107 | }; |
108 | |
109 | QT_END_NAMESPACE |
110 | |
111 | QML_DECLARE_TYPE(QQuickTransition) |
112 | |
113 | #endif // QQUICKTRANSITION_H |
114 | |