| 1 | // Copyright (C) 2017 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 QT3DANIMATION_ANIMATION_CLIPBLENDNODEVISITOR_P_H |
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| 5 | #define QT3DANIMATION_ANIMATION_CLIPBLENDNODEVISITOR_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 | |
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| 19 | #include <functional> |
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| 20 | #include <Qt3DCore/qnodeid.h> |
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| 21 | #include <private/qglobal_p.h> |
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| 22 | |
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| 23 | QT_BEGIN_NAMESPACE |
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| 24 | |
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| 25 | namespace Qt3DAnimation { |
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| 26 | namespace Animation { |
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| 27 | |
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| 28 | class ClipBlendNodeManager; |
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| 29 | class ClipBlendNode; |
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| 30 | |
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| 31 | using VisitFunction = std::function<void (ClipBlendNode *)>; |
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| 32 | |
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| 33 | class Q_AUTOTEST_EXPORT ClipBlendNodeVisitor |
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| 34 | { |
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| 35 | public: |
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| 36 | enum TraversalOrder { |
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| 37 | PreOrder, |
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| 38 | PostOrder |
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| 39 | }; |
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| 40 | |
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| 41 | enum NodeFilter { |
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| 42 | VisitAllNodes, |
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| 43 | VisitOnlyDependencies |
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| 44 | }; |
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| 45 | |
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| 46 | explicit ClipBlendNodeVisitor(ClipBlendNodeManager *manager, |
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| 47 | TraversalOrder order = PostOrder, |
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| 48 | NodeFilter filter = VisitAllNodes); |
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| 49 | |
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| 50 | void traverse(Qt3DCore::QNodeId rootId, const VisitFunction &visitFunction) const; |
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| 51 | |
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| 52 | private: |
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| 53 | void visitPreOrderAllNodes(ClipBlendNode *node, const VisitFunction &visitFunction) const; |
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| 54 | void visitPostOrderAllNodes(ClipBlendNode *node, const VisitFunction &visitFunction) const; |
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| 55 | |
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| 56 | void visitPreOrderDependencyNodes(ClipBlendNode *node, const VisitFunction &visitFunction) const; |
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| 57 | void visitPostOrderDependencyNodes(ClipBlendNode *node, const VisitFunction &visitFunction) const; |
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| 58 | |
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| 59 | ClipBlendNodeManager *m_manager; |
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| 60 | TraversalOrder m_order; |
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| 61 | NodeFilter m_filter; |
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| 62 | }; |
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| 63 | |
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| 64 | } // Animation |
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| 65 | } // Qt3DAnimation |
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| 66 | |
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| 67 | QT_END_NAMESPACE |
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| 68 | |
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| 69 | #endif // QT3DANIMATION_ANIMATION_CLIPBLENDNODEVISITOR_P_H |
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| 70 | |
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