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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSystems 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 Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
** rights. These rights are described in the Digia 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QVALUESPACESUBSCRIBER_H
#define QVALUESPACESUBSCRIBER_H
#include <qvaluespace.h>
#include <QtCore/qshareddata.h>
#include <QtCore/qvariant.h>
QT_BEGIN_NAMESPACE
class QValueSpaceSubscriberPrivate;
class Q_PUBLISHSUBSCRIBE_EXPORT QValueSpaceSubscriber : public QObject
{
Q_OBJECT
Q_PROPERTY(QString path READ path WRITE setPath)
Q_PROPERTY(QVariant value READ valuex NOTIFY contentsChanged)
public:
explicit QValueSpaceSubscriber(QObject *parent = 0);
explicit QValueSpaceSubscriber(const QString &path, QObject *parent = 0);
QValueSpaceSubscriber(QValueSpace::LayerOptions filter, const QString &path, QObject *parent = 0);
QValueSpaceSubscriber(const QUuid &uuid, const QString &path, QObject *parent = 0);
virtual ~QValueSpaceSubscriber();
bool isConnected() const;
void cd(const QString &path);
void cdUp();
void setPath(const QString &path);
void setPath(QValueSpaceSubscriber *subscriber);
QString path() const;
QStringList subPaths() const;
QVariant value(const QString &subPath = QString(), const QVariant &def = QVariant()) const;
Q_SIGNALS:
void contentsChanged();
protected:
virtual void connectNotify(const QMetaMethod &signal);
virtual void disconnectNotify(const QMetaMethod &signal);
private:
QVariant valuex(const QVariant &def = QVariant()) const;
private:
Q_DISABLE_COPY(QValueSpaceSubscriber)
QExplicitlySharedDataPointer<QValueSpaceSubscriberPrivate> d;
};
QT_END_NAMESPACE
#endif // QVALUESPACESUBSCRIBER_H
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