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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 QtDeclarative 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 QDELETEWATCHER_P_H
-#define QDELETEWATCHER_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/qglobal.h>
-
-QT_BEGIN_NAMESPACE
-
-class QDeleteWatchable
-{
-public:
- inline QDeleteWatchable();
- inline ~QDeleteWatchable();
-private:
- friend class QDeleteWatcher;
- bool *_w;
-};
-
-class QDeleteWatcher {
-public:
- inline QDeleteWatcher(QDeleteWatchable *data);
- inline ~QDeleteWatcher();
- inline bool wasDeleted() const;
-private:
- void *operator new(size_t);
- bool *_w;
- bool _s;
- QDeleteWatchable *m_d;
-};
-
-QDeleteWatchable::QDeleteWatchable()
-: _w(0)
-{
-}
-
-QDeleteWatchable::~QDeleteWatchable()
-{
- if (_w) *_w = true;
-}
-
-QDeleteWatcher::QDeleteWatcher(QDeleteWatchable *data)
-: _s(false), m_d(data)
-{
- if (!m_d->_w)
- m_d->_w = &_s;
- _w = m_d->_w;
-}
-
-QDeleteWatcher::~QDeleteWatcher()
-{
- if (false == *_w && &_s == m_d->_w)
- m_d->_w = 0;
-}
-
-bool QDeleteWatcher::wasDeleted() const
-{
- return *_w;
-}
-
-QT_END_NAMESPACE
-
-#endif // QDELETEWATCHER_P_H