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39 | |
40 | #ifndef QQUICKTRANSITION_H |
41 | #define QQUICKTRANSITION_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 "qquickstate_p.h" |
55 | #include <private/qabstractanimationjob_p.h> |
56 | #include <private/qqmlguard_p.h> |
57 | #include <qqml.h> |
58 | |
59 | #include <QtCore/qobject.h> |
60 | |
61 | QT_BEGIN_NAMESPACE |
62 | |
63 | class QQuickAbstractAnimation; |
64 | class QQuickTransitionPrivate; |
65 | class QQuickTransitionManager; |
66 | class QQuickTransition; |
67 | |
68 | class QQuickTransitionInstance : QAnimationJobChangeListener |
69 | { |
70 | public: |
71 | QQuickTransitionInstance(QQuickTransition *transition, QAbstractAnimationJob *anim); |
72 | ~QQuickTransitionInstance(); |
73 | |
74 | void start(); |
75 | void stop(); |
76 | |
77 | bool isRunning() const; |
78 | |
79 | protected: |
80 | void animationStateChanged(QAbstractAnimationJob *, QAbstractAnimationJob::State, QAbstractAnimationJob::State) override; |
81 | |
82 | void removeStateChangeListener() |
83 | { |
84 | m_anim->removeAnimationChangeListener(listener: this, QAbstractAnimationJob::StateChange); |
85 | } |
86 | |
87 | private: |
88 | QQmlGuard<QQuickTransition> m_transition; |
89 | QAbstractAnimationJob *m_anim; |
90 | friend class QQuickTransition; |
91 | }; |
92 | |
93 | class Q_QUICK_PRIVATE_EXPORT QQuickTransition : public QObject |
94 | { |
95 | Q_OBJECT |
96 | Q_DECLARE_PRIVATE(QQuickTransition) |
97 | |
98 | Q_PROPERTY(QString from READ fromState WRITE setFromState NOTIFY fromChanged) |
99 | Q_PROPERTY(QString to READ toState WRITE setToState NOTIFY toChanged) |
100 | Q_PROPERTY(bool reversible READ reversible WRITE setReversible NOTIFY reversibleChanged) |
101 | Q_PROPERTY(bool running READ running NOTIFY runningChanged) |
102 | Q_PROPERTY(QQmlListProperty<QQuickAbstractAnimation> animations READ animations) |
103 | Q_PROPERTY(bool enabled READ enabled WRITE setEnabled NOTIFY enabledChanged) |
104 | Q_CLASSINFO("DefaultProperty" , "animations" ) |
105 | Q_CLASSINFO("DeferredPropertyNames" , "animations" ) |
106 | QML_NAMED_ELEMENT(Transition) |
107 | |
108 | public: |
109 | QQuickTransition(QObject *parent=nullptr); |
110 | ~QQuickTransition(); |
111 | |
112 | QString fromState() const; |
113 | void setFromState(const QString &); |
114 | |
115 | QString toState() const; |
116 | void setToState(const QString &); |
117 | |
118 | bool reversible() const; |
119 | void setReversible(bool); |
120 | |
121 | bool enabled() const; |
122 | void setEnabled(bool enabled); |
123 | |
124 | bool running() const; |
125 | |
126 | QQmlListProperty<QQuickAbstractAnimation> animations(); |
127 | |
128 | QQuickTransitionInstance *prepare(QQuickStateOperation::ActionList &actions, |
129 | QList<QQmlProperty> &after, |
130 | QQuickTransitionManager *end, |
131 | QObject *defaultTarget); |
132 | |
133 | void setReversed(bool r); |
134 | |
135 | Q_SIGNALS: |
136 | void fromChanged(); |
137 | void toChanged(); |
138 | void reversibleChanged(); |
139 | void enabledChanged(); |
140 | void runningChanged(); |
141 | }; |
142 | |
143 | QT_END_NAMESPACE |
144 | |
145 | QML_DECLARE_TYPE(QQuickTransition) |
146 | |
147 | #endif // QQUICKTRANSITION_H |
148 | |