/****************************************************************************

**

** Copyright (C) 2016 The Qt Company Ltd.

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**

** This file is part of the QtGui module of the Qt Toolkit.

**

** $QT_BEGIN_LICENSE:LGPL$

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** Alternatively, this file may be used under the terms of the GNU Lesser

** General Public License version 3 as published by the Free Software

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** packaging of this file. Please review the following information to

** ensure the GNU Lesser General Public License version 3 requirements

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** Alternatively, this file may be used under the terms of the GNU

** General Public License version 2.0 or (at your option) the GNU General

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****************************************************************************/

#include <qpa/qplatformintegrationfactory_p.h>

#include <qpa/qplatformintegrationplugin.h>

#include "private/qfactoryloader_p.h"

#include "qmutex.h"

#include "qdir.h"

#include "qguiapplication.h"

#include "qdebug.h"

QT_BEGIN_NAMESPACE

Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, loader,

    (QPlatformIntegrationFactoryInterface_iid, QLatin1String("/platforms"), Qt::CaseInsensitive))

#if QT_CONFIG(library)

Q_GLOBAL_STATIC_WITH_ARGS(QFactoryLoader, directLoader,

                          (QPlatformIntegrationFactoryInterface_iid, QLatin1String(""), Qt::CaseInsensitive))

#endif // QT_CONFIG(library)

QPlatformIntegration *QPlatformIntegrationFactory::create(const QString &platform, const QStringList &paramList, int &argc, char **argv, const QString &platformPluginPath)

{

#if QT_CONFIG(library)

    // Try loading the plugin from platformPluginPath first:

    if (!platformPluginPath.isEmpty()) {

        QCoreApplication::addLibraryPath(platformPluginPath);

        if (QPlatformIntegration *ret = qLoadPlugin<QPlatformIntegration, QPlatformIntegrationPlugin>(directLoader(), platform, paramList, argc, argv))

            return ret;

    }

#else

    Q_UNUSED(platformPluginPath);

#endif

    return qLoadPlugin<QPlatformIntegration, QPlatformIntegrationPlugin>(loader(), platform, paramList, argc, argv);

}

/*!

    Returns the list of valid keys, i.e. the keys this factory can

    create styles for.

    \sa create()

*/

QStringList QPlatformIntegrationFactory::keys(const QString &platformPluginPath)

{

    QStringList list;

#if QT_CONFIG(library)

    if (!platformPluginPath.isEmpty()) {

        QCoreApplication::addLibraryPath(platformPluginPath);

        list = directLoader()->keyMap().values();

        if (!list.isEmpty()) {

            const QString postFix = QLatin1String(" (from ")

                                    + QDir::toNativeSeparators(platformPluginPath)

                                    + QLatin1Char(')');

            const QStringList::iterator end = list.end();

            for (QStringList::iterator it = list.begin(); it != end; ++it)

                (*it).append(postFix);

        }

    }

#else

    Q_UNUSED(platformPluginPath);

#endif

    list.append(loader()->keyMap().values());

    return list;

}

QT_END_NAMESPACE