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+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the QtQml module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QQMLWATCHER_P_H
+#define QQMLWATCHER_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 QQmlWatchProxy;
+class QQmlExpression;
+class QQmlContext;
+class QMetaProperty;
+
+class QQmlWatcher : public QObject
+{
+ Q_OBJECT
+public:
+ QQmlWatcher(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 QQmlWatchProxy;
+ void addPropertyWatch(int id, QObject *object, quint32 objectId, const QMetaProperty &property);
+
+ QHash<int, QList<QPointer<QQmlWatchProxy> > > m_proxies;
+};
+
+QT_END_NAMESPACE
+
+#endif // QQMLWATCHER_P_H