qabstractobjectregistryref_p.h

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// Copyright (C) 2026 The Qt Company Ltd.

// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only

//

//  W A R N I N G

//  -------------

//

// This file is not part of the Qt API. It exists purely as an

// implementation detail. This header file may change from version to

// version without notice, or even be removed.

//

// We mean it.

//

#ifndef QABSTRACTOBJECTREGISTRYREF_P_H

#define QABSTRACTOBJECTREGISTRYREF_P_H

#include <QtQmlDesignSupport/qabstractobjectregistryref.h>

#include <QtQml/qqml.h>

#include <QtCore/qpointer.h>

#include <QtCore/private/qobject_p.h>

QT_BEGIN_NAMESPACE

class QObjectRegistrySingleton;

class QQmlEngine;

class Q_QMLDESIGNSUPPORT_EXPORT QAbstractObjectRegistryRefPrivate : public QObjectPrivate

    Q_DECLARE_PUBLIC(QAbstractObjectRegistryRef)

public:

    explicit QAbstractObjectRegistryRefPrivate(QQmlEngine *engine = nullptr);

    virtual void handleObjectAdded(QObject *obj) = 0;

    virtual void handleObjectRemoved(QObject *obj) = 0;

    QString key() const;

protected:

    virtual void handleInitialObjects() = 0;

    QObjectRegistrySingleton *registry() const;

private:

    static void dataAppend(QQmlListProperty<QObject> *l, QObject *o);

    static qsizetype dataCount(QQmlListProperty<QObject> *l);

    static QObject *dataAt(QQmlListProperty<QObject> *l, qsizetype i);

    static void dataClear(QQmlListProperty<QObject> *l);

    static void dataReplace(QQmlListProperty<QObject> *l, qsizetype i, QObject *o);

    static void dataRemoveLast(QQmlListProperty<QObject> *l);

    QString m_key;

    QList<QObject *> m_data;

    QPointer<QObjectRegistrySingleton> m_registry;

};

QT_END_NAMESPACE

#endif // QABSTRACTOBJECTREGISTRYREF_P_H