| 1 | // Copyright (C) 2019 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 | #ifndef QT3DCORE_QSERVICELOCATOR_H |
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| 4 | #define QT3DCORE_QSERVICELOCATOR_H |
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| 5 | |
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| 6 | // |
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| 7 | // W A R N I N G |
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| 8 | // ------------- |
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| 9 | // |
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| 10 | // This file is not part of the Qt API. It exists for the convenience |
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| 11 | // of other Qt classes. This header file may change from version to |
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| 12 | // version without notice, or even be removed. |
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| 13 | // |
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| 14 | // We mean it. |
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| 15 | // |
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| 16 | |
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| 17 | #include <Qt3DCore/qt3dcore_global.h> |
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| 18 | #include <QtCore/qobject.h> |
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| 19 | #include <QtCore/qscopedpointer.h> |
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| 20 | #include <private/qglobal_p.h> |
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| 21 | |
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| 22 | QT_BEGIN_NAMESPACE |
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| 23 | |
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| 24 | namespace Qt3DCore { |
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| 25 | |
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| 26 | class QAbstractServiceProviderPrivate; |
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| 27 | |
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| 28 | class Q_3DCORESHARED_EXPORT QAbstractServiceProvider : public QObject |
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| 29 | { |
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| 30 | Q_OBJECT |
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| 31 | public: |
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| 32 | virtual ~QAbstractServiceProvider(); |
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| 33 | |
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| 34 | int type() const; |
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| 35 | QString description() const; |
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| 36 | |
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| 37 | protected: |
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| 38 | explicit QAbstractServiceProvider(int type, const QString &description, QObject* parent = nullptr); |
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| 39 | explicit QAbstractServiceProvider(QAbstractServiceProviderPrivate &dd, QObject* parent = nullptr); |
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| 40 | |
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| 41 | private: |
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| 42 | Q_DISABLE_COPY(QAbstractServiceProvider) |
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| 43 | Q_DECLARE_PRIVATE(QAbstractServiceProvider) |
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| 44 | }; |
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| 45 | |
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| 46 | class QAbstractFrameAdvanceService; |
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| 47 | class QOpenGLInformationService; |
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| 48 | class QSystemInformationService; |
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| 49 | class QServiceLocatorPrivate; |
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| 50 | class QEventFilterService; |
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| 51 | class QDownloadHelperService; |
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| 52 | class QAspectEngine; |
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| 53 | |
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| 54 | class Q_3DCORESHARED_EXPORT QServiceLocator |
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| 55 | { |
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| 56 | public: |
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| 57 | QServiceLocator(QAspectEngine *aspectEngine = nullptr); |
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| 58 | ~QServiceLocator(); |
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| 59 | |
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| 60 | enum ServiceType { |
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| 61 | SystemInformation, |
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| 62 | OpenGLInformation, |
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| 63 | CollisionService, |
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| 64 | FrameAdvanceService, |
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| 65 | EventFilterService, |
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| 66 | DownloadHelperService, |
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| 67 | #if !defined(Q_QDOC) |
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| 68 | DefaultServiceCount, // Add additional default services before here |
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| 69 | #endif |
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| 70 | UserService = 256 |
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| 71 | }; |
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| 72 | |
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| 73 | void registerServiceProvider(int serviceType, QAbstractServiceProvider *provider); |
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| 74 | void unregisterServiceProvider(int serviceType); |
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| 75 | |
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| 76 | int serviceCount() const; |
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| 77 | |
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| 78 | template<class T> |
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| 79 | T *service(int serviceType) |
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| 80 | { |
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| 81 | QAbstractServiceProvider *service_ = _q_getServiceHelper(type: serviceType); |
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| 82 | return static_cast<T *>(service_); |
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| 83 | } |
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| 84 | |
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| 85 | // Convenience accessors for Qt3D provided services |
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| 86 | QSystemInformationService *systemInformation(); |
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| 87 | QOpenGLInformationService *openGLInformation(); |
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| 88 | QAbstractFrameAdvanceService *frameAdvanceService(); |
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| 89 | QEventFilterService *eventFilterService(); |
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| 90 | QDownloadHelperService *downloadHelperService(); |
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| 91 | |
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| 92 | private: |
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| 93 | Q_DISABLE_COPY(QServiceLocator) |
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| 94 | Q_DECLARE_PRIVATE(QServiceLocator) |
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| 95 | QScopedPointer<QServiceLocatorPrivate> d_ptr; |
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| 96 | |
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| 97 | QAbstractServiceProvider *_q_getServiceHelper(int type); |
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| 98 | }; |
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| 99 | |
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| 100 | } |
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| 101 | |
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| 102 | QT_END_NAMESPACE |
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| 103 | |
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| 104 | #endif // QT3DCORE_QSERVICELOCATOR_H |
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| 105 | |
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