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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 QQMLWATCHER_H
#define QQMLWATCHER_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 <QtCore/qobject.h>
#include <QtCore/qlist.h>
#include <QtCore/qpair.h>
#include <QtCore/qhash.h>
#include <QtCore/qset.h>
#include <QtCore/qpointer.h>
QT_BEGIN_NAMESPACE
class QQmlWatchProxy;
class QQmlExpression;
class QQmlContext;
class QMetaProperty;
class QQmlWatcher : public QObject
{
Q_OBJECT
public:
QQmlWatcher(QObject * = nullptr);
bool addWatch(int id, quint32 objectId);
bool addWatch(int id, quint32 objectId, const QByteArray &property);
bool addWatch(int id, quint32 objectId, const QString &expr);
bool removeWatch(int id);
Q_SIGNALS:
void propertyChanged(int id, int objectId, const QMetaProperty &property, const QVariant &value);
private:
friend class QQmlWatchProxy;
void addPropertyWatch(int id, QObject *object, quint32 objectId, const QMetaProperty &property);
QHash<int, QList<QPointer<QQmlWatchProxy> > > m_proxies;
};
QT_END_NAMESPACE
#endif // QQMLWATCHER_H
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