| 1 | // Copyright (C) 2016 The Qt Company Ltd and/or its subsidiary(-ies). |
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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 QABSTRACTNODEFACTORY_P_H |
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| 5 | #define QABSTRACTNODEFACTORY_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/qnode.h> |
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| 19 | |
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| 20 | #include <Qt3DCore/private/qt3dcore_global_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 Q_3DCORE_PRIVATE_EXPORT QAbstractNodeFactory |
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| 27 | { |
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| 28 | public: |
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| 29 | virtual ~QAbstractNodeFactory(); |
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| 30 | |
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| 31 | virtual QNode *createNode(const char *type) = 0; |
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| 32 | |
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| 33 | static void registerNodeFactory(QAbstractNodeFactory *factory); |
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| 34 | static QList<QAbstractNodeFactory *> nodeFactories(); |
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| 35 | |
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| 36 | template<class T> static T *createNode(const char *type) |
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| 37 | { |
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| 38 | const auto factories = QAbstractNodeFactory::nodeFactories(); |
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| 39 | for (QAbstractNodeFactory *f : factories) { |
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| 40 | QNode *n = f->createNode(type); |
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| 41 | if (n) |
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| 42 | return qobject_cast<T *>(n); |
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| 43 | } |
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| 44 | return new T; |
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| 45 | } |
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| 46 | }; |
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| 47 | |
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| 48 | } // namespace Qt3DCore |
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| 49 | |
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| 50 | QT_END_NAMESPACE |
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| 51 | |
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| 52 | #endif // QABSTRACTNODEFACTORY_P_H |
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| 53 | |
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