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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 QtCore 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 QSHAREDPOINTER_H
#define QSHAREDPOINTER_H
#include <QtCore/qglobal.h>
#include <QtCore/qatomic.h>
#include <QtCore/qshareddata.h>
#ifndef Q_QDOC
# if !defined(QT_NO_MEMBER_TEMPLATES)
// QSharedPointer requires member template support
# include <QtCore/qsharedpointer_impl.h>
# endif
#else
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
// These classes are here to fool qdoc into generating a better documentation
template <class T>
class QSharedPointer
{
public:
// basic accessor functions
T *data() const;
bool isNull() const;
operator bool() const;
bool operator!() const;
T &operator*() const;
T *operator ->() const;
// constructors
QSharedPointer();
explicit QSharedPointer(T *ptr);
QSharedPointer(T *ptr, Deleter d);
QSharedPointer(const QSharedPointer<T> &other);
QSharedPointer(const QWeakPointer<T> &other);
~QSharedPointer() { }
QSharedPointer<T> &operator=(const QSharedPointer<T> &other);
QSharedPointer<T> &operator=(const QWeakPointer<T> &other);
QWeakPointer<T> toWeakRef() const;
void clear();
// casts:
template <class X> QSharedPointer<X> staticCast() const;
template <class X> QSharedPointer<X> dynamicCast() const;
template <class X> QSharedPointer<X> constCast() const;
template <class X> QSharedPointer<X> objectCast() const;
};
template <class T>
class QWeakPointer
{
public:
// basic accessor functions
bool isNull() const;
operator bool() const;
bool operator!() const;
// constructors:
QWeakPointer();
QWeakPointer(const QWeakPointer<T> &other);
QWeakPointer(const QSharedPointer<T> &other);
~QWeakPointer();
QWeakPointer<T> operator=(const QWeakPointer<T> &other);
QWeakPointer<T> operator=(const QSharedPointer<T> &other);
QWeakPointer(const QObject *other);
QWeakPointer<T> operator=(const QObject *other);
T *data() const;
void clear();
QSharedPointer<T> toStrongRef() const;
};
template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const X *ptr2);
template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const X *ptr2);
template<class T, class X> bool operator==(const T *ptr1, const QSharedPointer<X> &ptr2);
template<class T, class X> bool operator!=(const T *ptr1, const QSharedPointer<X> &ptr2);
template<class T, class X> bool operator==(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
template<class T, class X> bool operator!=(const QWeakPointer<T> &ptr1, const QSharedPointer<X> &ptr2);
template<class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2);
template<class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2);
template <class X, class T> QSharedPointer<X> qSharedPointerCast(const QSharedPointer<T> &other);
template <class X, class T> QSharedPointer<X> qSharedPointerCast(const QWeakPointer<T> &other);
template <class X, class T> QSharedPointer<X> qSharedPointerDynamicCast(const QSharedPointer<T> &src);
template <class X, class T> QSharedPointer<X> qSharedPointerDynamicCast(const QWeakPointer<T> &src);
template <class X, class T> QSharedPointer<X> qSharedPointerConstCast(const QSharedPointer<T> &src);
template <class X, class T> QSharedPointer<X> qSharedPointerConstCast(const QWeakPointer<T> &src);
template <class X, class T> QSharedPointer<X> qSharedPointerObjectCast(const QSharedPointer<T> &src);
template <class X, class T> QSharedPointer<X> qSharedPointerObjectCast(const QWeakPointer<T> &src);
template <class X, class T> QWeakPointer<X> qWeakPointerCast(const QWeakPointer<T> &src);
QT_END_NAMESPACE
QT_END_HEADER
#endif // Q_QDOC
#endif // QSHAREDPOINTER_H
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