/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the FOO 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 QDBUSUNIXFILEDESCRIPTOR_H
#define QDBUSUNIXFILEDESCRIPTOR_H

#include <QtCore/QSharedDataPointer>
#include <QtDBus/qdbusmacros.h>

#ifndef QT_NO_DBUS

#ifdef Q_COMPILER_RVALUE_REFS
# include <utility>
#endif

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(DBus)

class QDBusUnixFileDescriptorPrivate;
template<> QExplicitlySharedDataPointer<QDBusUnixFileDescriptorPrivate>::~QExplicitlySharedDataPointer();

class Q_DBUS_EXPORT QDBusUnixFileDescriptor
{
public:
    QDBusUnixFileDescriptor();
    explicit QDBusUnixFileDescriptor(int fileDescriptor);
    QDBusUnixFileDescriptor(const QDBusUnixFileDescriptor &other);
    QDBusUnixFileDescriptor &operator=(const QDBusUnixFileDescriptor &other);
    ~QDBusUnixFileDescriptor();

    bool isValid() const;

    int fileDescriptor() const;
    void setFileDescriptor(int fileDescriptor);

    void giveFileDescriptor(int fileDescriptor);
    int takeFileDescriptor();

    static bool isSupported();

#if defined(Q_COMPILER_RVALUE_REFS)
    QDBusUnixFileDescriptor(QDBusUnixFileDescriptor &&other) : d(static_cast<Data &&>(other.d))
    { }
    inline QDBusUnixFileDescriptor &operator=(QDBusUnixFileDescriptor &&other)
    { d.swap(other.d); return *this; }
#endif

protected:
    typedef QExplicitlySharedDataPointer<QDBusUnixFileDescriptorPrivate>  Data;
    Data d;
};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QDBusUnixFileDescriptor)
Q_DECLARE_METATYPE(QList<QDBusUnixFileDescriptor>)

QT_END_HEADER

#endif // QT_NO_DBUS
#endif // QDBUSUNIXFILEDESCRIPTOR_H