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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QQUICKLISTMODELWORKERAGENT_P_H
#define QQUICKLISTMODELWORKERAGENT_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 <qqml.h>
#include <QEvent>
#include <QMutex>
#include <QWaitCondition>
#include <private/qv8engine_p.h>
QT_REQUIRE_CONFIG(qml_list_model);
QT_BEGIN_NAMESPACE
class QQmlListModel;
class QQmlListModelWorkerAgent : public QObject
{
Q_OBJECT
Q_PROPERTY(int count READ count)
public:
QQmlListModelWorkerAgent(QQmlListModel *);
~QQmlListModelWorkerAgent();
void setEngine(QV4::ExecutionEngine *eng);
void addref();
void release();
int count() const;
Q_INVOKABLE void clear();
Q_INVOKABLE void remove(QQmlV4Function *args);
Q_INVOKABLE void append(QQmlV4Function *args);
Q_INVOKABLE void insert(QQmlV4Function *args);
Q_INVOKABLE QJSValue get(int index) const;
Q_INVOKABLE void set(int index, const QJSValue &value);
Q_INVOKABLE void setProperty(int index, const QString& property, const QVariant& value);
Q_INVOKABLE void move(int from, int to, int count);
Q_INVOKABLE void sync();
struct VariantRef
{
VariantRef() : a(nullptr) {}
VariantRef(const VariantRef &r) : a(r.a) { if (a) a->addref(); }
VariantRef(QQmlListModelWorkerAgent *_a) : a(_a) { if (a) a->addref(); }
~VariantRef() { if (a) a->release(); }
VariantRef &operator=(const VariantRef &o) {
if (o.a) o.a->addref();
if (a) a->release();
a = o.a;
return *this;
}
QQmlListModelWorkerAgent *a;
};
void modelDestroyed();
protected:
bool event(QEvent *) override;
private:
friend class QQuickWorkerScriptEnginePrivate;
friend class QQmlListModel;
struct Sync : public QEvent {
Sync(QQmlListModel *l)
: QEvent(QEvent::User)
, list(l)
{}
~Sync();
QQmlListModel *list;
};
QAtomicInt m_ref;
QQmlListModel *m_orig;
QQmlListModel *m_copy;
QMutex mutex;
QWaitCondition syncDone;
};
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QQmlListModelWorkerAgent::VariantRef)
#endif // QQUICKLISTMODELWORKERAGENT_P_H
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