/****************************************************************************
**
** Copyright (C) 2012 BogDan Vatra <bogdan@kde.org>
** Contact: https://www.qt.io/licensing/
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
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** 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 <QDir>

#include "qandroidplatformfontdatabase.h"

QT_BEGIN_NAMESPACE

QString QAndroidPlatformFontDatabase::fontDir() const
{
    return QLatin1String("/system/fonts");
}

void QAndroidPlatformFontDatabase::populateFontDatabase()
{
    QString fontpath = fontDir();
    QDir dir(fontpath);

    if (Q_UNLIKELY(!dir.exists())) {
        qFatal("QFontDatabase: Cannot find font directory %s - is Qt installed correctly?",
               qPrintable(fontpath));
    }

    QStringList nameFilters;
    nameFilters << QLatin1String("*.ttf")
                << QLatin1String("*.otf")
                << QLatin1String("*.ttc");

    const auto entries = dir.entryInfoList(nameFilters, QDir::Files);
    for (const QFileInfo &fi : entries) {
        const QByteArray file = QFile::encodeName(fi.absoluteFilePath());
        QFreeTypeFontDatabase::addTTFile(QByteArray(), file);
    }
}

QStringList QAndroidPlatformFontDatabase::fallbacksForFamily(const QString &family,
                                                             QFont::Style style,
                                                             QFont::StyleHint styleHint,
                                                             QChar::Script script) const
{
    QStringList result;
    if (styleHint == QFont::Monospace || styleHint == QFont::Courier)
        result.append(QString(qgetenv("QT_ANDROID_FONTS_MONOSPACE")).split(QLatin1Char(';')));
    else if (styleHint == QFont::Serif)
        result.append(QString(qgetenv("QT_ANDROID_FONTS_SERIF")).split(QLatin1Char(';')));
    else
        result.append(QString(qgetenv("QT_ANDROID_FONTS")).split(QLatin1Char(';')));
    result.append(QFreeTypeFontDatabase::fallbacksForFamily(family, style, styleHint, script));

    return result;
}

QT_END_NAMESPACE