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// Copyright (C) 2016 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
#ifndef QQMLCOMPONENTATTACHED_P_H
#define QQMLCOMPONENTATTACHED_P_H
//
// 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.
//
#include <QtQml/qqml.h>
#include <QtQml/qqmlcomponent.h>
#include <private/qtqmlglobal_p.h>
#include <QtCore/QObject>
QT_BEGIN_NAMESPACE
// implemented in qqmlcomponent.cpp
class Q_QML_EXPORT QQmlComponentAttached : public QObject
{
Q_OBJECT
public:
QQmlComponentAttached(QObject *parent = nullptr);
~QQmlComponentAttached();
void insertIntoList(QQmlComponentAttached **listHead)
{
m_prev = listHead;
m_next = *listHead;
*listHead = this;
if (m_next)
m_next->m_prev = &m_next;
}
void removeFromList()
{
*m_prev = m_next;
if (m_next)
m_next->m_prev = m_prev;
m_next = nullptr;
m_prev = nullptr;
}
QQmlComponentAttached *next() const { return m_next; }
Q_SIGNALS:
void completed();
void destruction();
private:
QQmlComponentAttached **m_prev;
QQmlComponentAttached *m_next;
};
QT_END_NAMESPACE
// TODO: We still need this because we cannot properly use QML_ATTACHED with QML_FOREIGN.
QML_DECLARE_TYPEINFO(QQmlComponent, QML_HAS_ATTACHED_PROPERTIES)
#endif // QQMLCOMPONENTATTACHED_P_H
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