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++ // Copyright (C) 2019 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ #ifndef QT3DINPUT_INPUT_INPUTBACKENDNODEFUNCTOR_P_H
++ #define QT3DINPUT_INPUT_INPUTBACKENDNODEFUNCTOR_P_H
++
++ //
++ // W A R N I N G
++ // -------------
++ //
++ // This file is not part of the Qt API. It exists for the convenience
++ // of other Qt classes. This header file may change from version to
++ // version without notice, or even be removed.
++ //
++ // We mean it.
++ //
++
++ #include <Qt3DCore/qbackendnode.h>
++ #include <Qt3DCore/qnode.h>
++ #include <private/qglobal_p.h>
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DInput {
++
++ namespace Input {
++
++ template<class Backend, class Manager>
++ class InputNodeFunctor : public Qt3DCore::QBackendNodeMapper
++ {
++ public:
++ explicit InputNodeFunctor(Manager *manager)
++ : m_manager(manager)
++ {
++ }
++
++ Qt3DCore::QBackendNode *create(Qt3DCore::QNodeId id) const final
++ {
++ Backend *backend = m_manager->getOrCreateResource(id);
++ return backend;
++ }
++
++ Qt3DCore::QBackendNode *get(Qt3DCore::QNodeId id) const final
++ {
++ return m_manager->lookupResource(id);
++ }
++
++ void destroy(Qt3DCore::QNodeId id) const final
++ {
++ m_manager->releaseResource(id);
++ }
++
++ private:
++ Manager *m_manager;
++ };
++
++ } // Input
++
++ } // Qt3DInput
++
++ QT_END_NAMESPACE
++
++ #endif // QT3DINPUT_INPUT_INPUTBACKENDNODEFUNCTOR_P_H
++