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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later 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 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#include "qquickstyleplugin_p.h"
#include "qquickstyle.h"
#include "qquickstyle_p.h"
#include "qquickstyleselector_p.h"

QT_BEGIN_NAMESPACE

class QQuickStylePluginPrivate
{
public:
    mutable QScopedPointer<QQuickStyleSelector> selector;
};

QQuickStylePlugin::QQuickStylePlugin(QObject *parent)
    : QQmlExtensionPlugin(parent), d_ptr(new QQuickStylePluginPrivate)
{
}

QQuickStylePlugin::~QQuickStylePlugin()
{
}

QString QQuickStylePlugin::name() const
{
    return QString();
}

void QQuickStylePlugin::initializeTheme(QQuickTheme *theme)
{
    Q_UNUSED(theme);
}

QUrl QQuickStylePlugin::resolvedUrl(const QString &fileName) const
{
    Q_D(const QQuickStylePlugin);
    if (!d->selector) {
        d->selector.reset(new QQuickStyleSelector);
        const QString style = QQuickStyle::name();
        if (!style.isEmpty())
            d->selector->addSelector(style);

        const QString fallback = QQuickStylePrivate::fallbackStyle();
        if (!fallback.isEmpty() && fallback != style)
            d->selector->addSelector(fallback);

        const QString theme = name();
        if (!theme.isEmpty() && theme != style)
            d->selector->addSelector(theme);

        d->selector->setPaths(QQuickStylePrivate::stylePaths(true));
    }
    return d->selector->select(fileName);
}

QT_END_NAMESPACE