/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
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** accordance with the commercial license agreement provided with the
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** use the contact form at http://qt.digia.com/contact-us.
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
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****************************************************************************/

#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