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36 | |
37 | #ifndef QDECLARATIVEGEOMAPITEMTRANSITIONMANAGER_H |
38 | #define QDECLARATIVEGEOMAPITEMTRANSITIONMANAGER_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 <QtLocation/private/qlocationglobal_p.h> |
52 | #include <QtQuick/QQuickItem> |
53 | #include <QtQuick/private/qquicktransitionmanager_p_p.h> |
54 | |
55 | QT_BEGIN_NAMESPACE |
56 | |
57 | class QDeclarativeGeoMapItemView; |
58 | |
59 | class QDeclarativeGeoMapItemTransitionManager : public QQuickTransitionManager |
60 | { |
61 | public: |
62 | enum TransitionState { |
63 | NoTransition, EnterTransition, ExitTransition |
64 | }; |
65 | |
66 | QDeclarativeGeoMapItemTransitionManager(QObject *mapItem); |
67 | |
68 | void transitionEnter(); |
69 | void transitionExit(); |
70 | |
71 | bool prepareEnterTransition() |
72 | { |
73 | if (m_transitionState == QDeclarativeGeoMapItemTransitionManager::EnterTransition |
74 | && isRunning()) |
75 | return false; |
76 | |
77 | if (m_transitionState != QDeclarativeGeoMapItemTransitionManager::EnterTransition) { |
78 | // setVisible(true); |
79 | m_transitionState = QDeclarativeGeoMapItemTransitionManager::EnterTransition; |
80 | } |
81 | return true; |
82 | } |
83 | bool prepareExitTransition() |
84 | { |
85 | if (m_transitionState == QDeclarativeGeoMapItemTransitionManager::ExitTransition |
86 | && isRunning()) |
87 | return false; |
88 | |
89 | if (m_transitionState != QDeclarativeGeoMapItemTransitionManager::ExitTransition) { |
90 | m_transitionState = QDeclarativeGeoMapItemTransitionManager::ExitTransition; |
91 | } |
92 | return true; |
93 | } |
94 | void finalizeEnterTransition() |
95 | { |
96 | m_transitionState = QDeclarativeGeoMapItemTransitionManager::NoTransition; |
97 | // use invokeMethod since this is used on both QDeclarativeGeoMapItemBase and QDeclarativeGeoMapItemGroup |
98 | QMetaObject::invokeMethod(obj: m_mapItem, QByteArrayLiteral("addTransitionFinished" ).constData(), type: Qt::DirectConnection); |
99 | } |
100 | void finalizeExitTransition() |
101 | { |
102 | // setVisible(false); |
103 | m_transitionState = QDeclarativeGeoMapItemTransitionManager::NoTransition; |
104 | QMetaObject::invokeMethod(obj: m_mapItem, QByteArrayLiteral("removeTransitionFinished" ).constData(), type: Qt::DirectConnection); |
105 | } |
106 | |
107 | protected: |
108 | void finished() override; |
109 | |
110 | public: |
111 | QObject *m_mapItem; |
112 | QDeclarativeGeoMapItemView *m_view = nullptr; |
113 | QList<QQuickStateAction> enterActions; |
114 | QList<QQuickStateAction> exitActions; |
115 | TransitionState m_transitionState = NoTransition; |
116 | }; |
117 | |
118 | QT_END_NAMESPACE |
119 | |
120 | #endif |
121 | |