qbackendnode.h - mozsearch

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// Copyright (C) 2014 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 QT3DCORE_QBACKENDNODE_H

#define QT3DCORE_QBACKENDNODE_H

#include <Qt3DCore/qnodeid.h>

#include <Qt3DCore/qt3dcore_global.h>

QT_BEGIN_NAMESPACE

namespace Qt3DCore {

class QNode;

class QBackendNodePrivate;

class QBackendNode;

class QAspectEngine;

#if defined(QT_BUILD_INTERNAL)

class QBackendNodeTester;

#endif

class Q_3DCORESHARED_EXPORT QBackendNodeMapper

public:

    virtual ~QBackendNodeMapper();

    virtual QBackendNode *create(QNodeId id) const = 0;

    virtual QBackendNode *get(QNodeId id) const = 0;

    virtual void destroy(QNodeId id) const = 0;

};

typedef QSharedPointer<QBackendNodeMapper> QBackendNodeMapperPtr;

class Q_3DCORESHARED_EXPORT QBackendNode

public:

    enum Mode {

        ReadOnly = 0,

        ReadWrite

};

    explicit QBackendNode(Mode mode = ReadOnly);

    virtual ~QBackendNode();

    QNodeId peerId() const noexcept;

    void setEnabled(bool enabled) noexcept;

    bool isEnabled() const noexcept;

    Mode mode() const noexcept;

    virtual void syncFromFrontEnd(const QNode *frontEnd, bool firstTime);

protected:

    Q_DECLARE_PRIVATE(QBackendNode)

    explicit QBackendNode(QBackendNodePrivate &dd);

    QBackendNodePrivate *d_ptr;

private:

    Q_DISABLE_COPY(QBackendNode)

    void setPeerId(QNodeId id) noexcept;

    friend class QAbstractAspectPrivate;

#if defined(QT_BUILD_INTERNAL)

    friend class QBackendNodeTester;

#endif

};

} // namespace Qt3DCore

QT_END_NAMESPACE

#endif // QT3DCORE_QBACKENDNODE_H