| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). | 
|---|---|
| 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 QT3DCORE_QBACKENDNODE_H | 
| 5 | #define QT3DCORE_QBACKENDNODE_H | 
| 6 | |
| 7 | #include <Qt3DCore/qnodeid.h> | 
| 8 | #include <Qt3DCore/qt3dcore_global.h> | 
| 9 | |
| 10 | QT_BEGIN_NAMESPACE | 
| 11 | |
| 12 | namespace Qt3DCore { | 
| 13 | |
| 14 | class QNode; | 
| 15 | class QBackendNodePrivate; | 
| 16 | class QBackendNode; | 
| 17 | class QAspectEngine; | 
| 18 | |
| 19 | #if defined(QT_BUILD_INTERNAL) | 
| 20 | class QBackendNodeTester; | 
| 21 | #endif | 
| 22 | |
| 23 | class Q_3DCORESHARED_EXPORT QBackendNodeMapper | 
| 24 | { | 
| 25 | public: | 
| 26 | virtual ~QBackendNodeMapper(); | 
| 27 | virtual QBackendNode *create(QNodeId id) const = 0; | 
| 28 | virtual QBackendNode *get(QNodeId id) const = 0; | 
| 29 | virtual void destroy(QNodeId id) const = 0; | 
| 30 | }; | 
| 31 | |
| 32 | typedef QSharedPointer<QBackendNodeMapper> QBackendNodeMapperPtr; | 
| 33 | |
| 34 | class Q_3DCORESHARED_EXPORT QBackendNode | 
| 35 | { | 
| 36 | public: | 
| 37 | enum Mode { | 
| 38 | ReadOnly = 0, | 
| 39 | ReadWrite | 
| 40 | }; | 
| 41 | |
| 42 | explicit QBackendNode(Mode mode = ReadOnly); | 
| 43 | virtual ~QBackendNode(); | 
| 44 | |
| 45 | QNodeId peerId() const noexcept; | 
| 46 | |
| 47 | void setEnabled(bool enabled) noexcept; | 
| 48 | bool isEnabled() const noexcept; | 
| 49 | |
| 50 | Mode mode() const noexcept; | 
| 51 | |
| 52 | virtual void syncFromFrontEnd(const QNode *frontEnd, bool firstTime); | 
| 53 | |
| 54 | protected: | 
| 55 | Q_DECLARE_PRIVATE(QBackendNode) | 
| 56 | explicit QBackendNode(QBackendNodePrivate &dd); | 
| 57 | |
| 58 | QBackendNodePrivate *d_ptr; | 
| 59 | |
| 60 | private: | 
| 61 | Q_DISABLE_COPY(QBackendNode) | 
| 62 | void setPeerId(QNodeId id) noexcept; | 
| 63 | |
| 64 | friend class QAbstractAspectPrivate; | 
| 65 | #if defined(QT_BUILD_INTERNAL) | 
| 66 | friend class QBackendNodeTester; | 
| 67 | #endif | 
| 68 | }; | 
| 69 | |
| 70 | } // namespace Qt3DCore | 
| 71 | |
| 72 | QT_END_NAMESPACE | 
| 73 | |
| 74 | #endif // QT3DCORE_QBACKENDNODE_H | 
| 75 | 
