/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 QMESSAGINGGLOBAL_H
#define QMESSAGINGGLOBAL_H

#include <qmobilityglobal.h>
#include <QString>

// A variant of Q_GLOBAL_STATIC for use in class scope
#define Q_SCOPED_STATIC_DECLARE(TYPE, NAME)                      \
    static TYPE *NAME();

#if defined(QT_NO_THREAD)
#  define Q_SCOPED_STATIC_DEFINE(TYPE, SCOPE, NAME)              \
    TYPE *SCOPE::NAME()                                          \
    {                                                            \
        static TYPE this_##NAME;                                 \
        static QGlobalStatic<TYPE > global_##NAME(&this_##NAME); \
        return global_##NAME.pointer;                            \
    }
#  else
#  define Q_SCOPED_STATIC_DEFINE(TYPE, SCOPE, NAME)                     \
    Q_GLOBAL_STATIC_INIT(TYPE, NAME);                                   \
    TYPE *SCOPE::NAME()                                                 \
    {                                                                   \
        if (!this_##NAME.pointer && !this_##NAME.destroyed) {           \
            TYPE *x = new TYPE;                                         \
            if (!this_##NAME.pointer.testAndSetOrdered(0, x))           \
                delete x;                                               \
            else                                                        \
                static QGlobalStaticDeleter<TYPE > cleanup(this_##NAME); \
        }                                                               \
        return this_##NAME.pointer;                                     \
    }
#endif

#endif // QMESSAGINGGLOBAL_H