| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QT3DCORE_QCHANGEARBITER_P_H |
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| 5 | #define QT3DCORE_QCHANGEARBITER_P_H |
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| 6 | |
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| 7 | // |
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| 8 | // W A R N I N G |
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| 9 | // ------------- |
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| 10 | // |
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| 11 | // This file is not part of the Qt API. It exists for the convenience |
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| 12 | // of other Qt classes. This header file may change from version to |
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| 13 | // version without notice, or even be removed. |
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| 14 | // |
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| 15 | // We mean it. |
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| 16 | // |
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| 17 | |
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| 18 | #include <Qt3DCore/qnodeid.h> |
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| 19 | #include <QtCore/QFlags> |
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| 20 | #include <QtCore/QList> |
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| 21 | #include <QtCore/QMutex> |
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| 22 | #include <QtCore/QObject> |
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| 23 | #include <QtCore/QPair> |
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| 24 | #include <QtCore/QReadWriteLock> |
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| 25 | #include <QtCore/QThreadStorage> |
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| 26 | #include <QtCore/QVariant> |
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| 27 | |
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| 28 | #include <Qt3DCore/private/qt3dcore_global_p.h> |
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| 29 | |
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| 30 | QT_BEGIN_NAMESPACE |
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| 31 | |
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| 32 | namespace Qt3DCore { |
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| 33 | |
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| 34 | class QNode; |
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| 35 | class QObservableInterface; |
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| 36 | class QAbstractAspectJobManager; |
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| 37 | class QSceneObserverInterface; |
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| 38 | class QAbstractPostman; |
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| 39 | class QScene; |
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| 40 | class QEntity; |
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| 41 | class QComponent; |
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| 42 | |
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| 43 | struct ComponentRelationshipChange |
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| 44 | { |
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| 45 | QNode *node; |
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| 46 | QNode *subNode; |
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| 47 | |
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| 48 | enum RelationShip { |
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| 49 | Added = 0, |
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| 50 | Removed |
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| 51 | }; |
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| 52 | RelationShip change; |
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| 53 | }; |
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| 54 | |
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| 55 | class Q_3DCORE_PRIVATE_EXPORT QChangeArbiter |
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| 56 | : public QObject |
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| 57 | { |
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| 58 | Q_OBJECT |
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| 59 | public: |
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| 60 | explicit QChangeArbiter(QObject *parent = nullptr); |
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| 61 | ~QChangeArbiter(); |
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| 62 | |
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| 63 | void addDirtyFrontEndNode(QNode *node); |
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| 64 | void addDirtyEntityComponentNodes(QEntity *entity, QComponent *component, |
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| 65 | ComponentRelationshipChange::RelationShip change); |
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| 66 | |
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| 67 | void removeDirtyFrontEndNode(QNode *node); |
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| 68 | QList<QNode *> takeDirtyFrontEndNodes(); |
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| 69 | QList<ComponentRelationshipChange> takeDirtyEntityComponentNodes(); |
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| 70 | |
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| 71 | void setScene(Qt3DCore::QScene *scene); |
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| 72 | |
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| 73 | QScene *scene() const; |
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| 74 | |
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| 75 | Q_SIGNALS: |
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| 76 | void receivedChange(); |
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| 77 | |
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| 78 | protected: |
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| 79 | QScene *m_scene; |
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| 80 | QList<QNode *> m_dirtyFrontEndNodes; |
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| 81 | QList<ComponentRelationshipChange> m_dirtyEntityComponentNodeChanges; |
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| 82 | }; |
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| 83 | |
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| 84 | } // namespace Qt3DCore |
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| 85 | |
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| 86 | QT_END_NAMESPACE |
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| 87 | |
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| 88 | #endif // QT3DCORE_QCHANGEARBITER_P_H |
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| 89 | |
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