/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://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.LGPL3 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-3.0.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 (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QWINDOWSTHEME_H
#define QWINDOWSTHEME_H

#include "qwindowsthreadpoolrunner.h"
#include <qpa/qplatformtheme.h>

QT_BEGIN_NAMESPACE

class QWindow;

class QWindowsTheme : public QPlatformTheme
{
public:
    QWindowsTheme();
    ~QWindowsTheme();

    static QWindowsTheme *instance() { return m_instance; }

    bool usePlatformNativeDialog(DialogType type) const Q_DECL_OVERRIDE;
    QPlatformDialogHelper *createPlatformDialogHelper(DialogType type) const Q_DECL_OVERRIDE;
    QVariant themeHint(ThemeHint) const Q_DECL_OVERRIDE;
    const QPalette *palette(Palette type = SystemPalette) const Q_DECL_OVERRIDE
        { return m_palettes[type]; }
    const QFont *font(Font type = SystemFont) const Q_DECL_OVERRIDE
        { return m_fonts[type]; }

    QPixmap standardPixmap(StandardPixmap sp, const QSizeF &size) const Q_DECL_OVERRIDE;
    QPixmap fileIconPixmap(const QFileInfo &fileInfo, const QSizeF &size,
                           QPlatformTheme::IconOptions iconOptions = 0) const Q_DECL_OVERRIDE;

    void windowsThemeChanged(QWindow *window);

    static const char *name;

private:
    void refresh() { refreshPalettes(); refreshFonts(); }
    void clearPalettes();
    void refreshPalettes();
    void clearFonts();
    void refreshFonts();

    static QWindowsTheme *m_instance;
    QPalette *m_palettes[NPalettes];
    QFont *m_fonts[NFonts];
    mutable QWindowsThreadPoolRunner m_threadPoolRunner;
};

QT_END_NAMESPACE

#endif // QWINDOWSTHEME_H