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36
37#ifndef QT3DCORE_QIDTYPEVISITOR_H
38#define QT3DCORE_QIDTYPEVISITOR_H
39
40//
41// W A R N I N G
42// -------------
43//
44// This file is not part of the Qt API. It exists for the convenience
45// of other Qt classes. This header file may change from version to
46// version without notice, or even be removed.
47//
48// We mean it.
49//
50
51#include <Qt3DCore/private/qentity_p.h>
52#include <Qt3DCore/private/qnodevisitor_p.h>
53
54QT_BEGIN_NAMESPACE
55
56namespace Qt3DCore {
57
58class QDestructionIdAndTypeCollector
59{
60public:
61 QDestructionIdAndTypeCollector(QNode *rootNode);
62
63 QVector<QNodeIdTypePair> subtreeIdsAndTypes() const { return m_subtreeIdsAndTypes; }
64
65private:
66 void collectIdAndType(QNode *node)
67 {
68 QNodeIdTypePair idAndType(node->id(), QNodePrivate::get(node)->m_typeInfo);
69 m_subtreeIdsAndTypes.push_back(idAndType);
70
71 // Mark this node as having been handled for destruction so we don't
72 // repeat it unnecessarily in an O(n^2) manner
73 QNodePrivate::get(node)->m_hasBackendNode = false;
74 }
75
76 QVector<QNodeIdTypePair> m_subtreeIdsAndTypes;
77};
78
79} // namespace Qt3DCore
80
81QT_END_NAMESPACE
82
83#endif // QT3DCORE_QIDTYPEVISITOR_H
84