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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QMLWATCHER_P_H
#define QMLWATCHER_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 <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 QmlWatchProxy;
class QmlExpression;
class QmlContext;
class QMetaProperty;
class QmlWatcher : public QObject
{
Q_OBJECT
public:
QmlWatcher(QObject * = 0);
bool addWatch(int id, quint32 objectId);
bool addWatch(int id, quint32 objectId, const QByteArray &property);
bool addWatch(int id, quint32 objectId, const QString &expr);
void removeWatch(int id);
Q_SIGNALS:
void propertyChanged(int id, int objectId, const QMetaProperty &property, const QVariant &value);
private:
friend class QmlWatchProxy;
void addPropertyWatch(int id, QObject *object, quint32 objectId, const QMetaProperty &property);
QHash<int, QList<QPointer<QmlWatchProxy> > > m_proxies;
};
QT_END_NAMESPACE
#endif // QMLWATCHER_P_H
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