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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qgenericpluginfactory.h"

#include "qguiapplication.h"
#include "private/qfactoryloader_p.h"
#include "qgenericplugin.h"
#include "qdebug.h"

QT_BEGIN_NAMESPACE

#if !defined(Q_OS_WIN32) || defined(QT_SHARED)
#ifndef QT_NO_LIBRARY

Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,
    (QGenericPluginFactoryInterface_iid,
     QLatin1String("/generic"), Qt::CaseInsensitive))

#endif //QT_NO_LIBRARY
#endif //QT_SHARED

/*!
    \class QGenericPluginFactory
    \ingroup plugins
    \inmodule QtGui

    \brief The QGenericPluginFactory class creates plugin drivers.

    \sa QGenericPlugin
*/

/*!
    Creates the driver specified by \a key, using the given \a specification.

    Note that the keys are case-insensitive.

    \sa keys()
*/
QObject *QGenericPluginFactory::create(const QString& key, const QString &specification)
{
    const QString driver = key.toLower();

#if !defined(Q_OS_WIN32) || defined(QT_SHARED)
#ifndef QT_NO_LIBRARY
    if (QObject *object = qLoadPlugin1<QObject, QGenericPlugin>(loader(), driver, specification))
        return object;
#endif
#endif
    return 0;
}

/*!
    Returns the list of valid keys, i.e. the available mouse drivers.

    \sa create()
*/
QStringList QGenericPluginFactory::keys()
{
    QStringList list;

#if !defined(Q_OS_WIN32) || defined(QT_SHARED)
#ifndef QT_NO_LIBRARY
    typedef QMultiMap<int, QString> PluginKeyMap;
    typedef PluginKeyMap::const_iterator PluginKeyMapConstIterator;

    const PluginKeyMap keyMap = loader()->keyMap();
    const PluginKeyMapConstIterator cend = keyMap.constEnd();
    for (PluginKeyMapConstIterator it = keyMap.constBegin(); it != cend; ++it)
        if (!list.contains(it.value()))
            list += it.value();
#endif //QT_NO_LIBRARY
#endif
    return list;
}

QT_END_NAMESPACE