third_party/WebKit/Source/platform/fonts/AcceptLanguagesResolver.cpp

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "platform/fonts/AcceptLanguagesResolver.h"

#include "platform/LayoutLocale.h"

namespace blink {

void AcceptLanguagesResolver::acceptLanguagesChanged(
    const String& acceptLanguages)
{
    LayoutLocale::setLocaleForHan(
        localeForHanFromAcceptLanguages(acceptLanguages));
}

const LayoutLocale* AcceptLanguagesResolver::localeForHanFromAcceptLanguages(
    const String& acceptLanguages)
{
    // Use the first acceptLanguages that can disambiguate.
    Vector<String> languages;
    acceptLanguages.split(',', languages);
    for (String token : languages) {
        token = token.stripWhiteSpace();
        const LayoutLocale* locale = LayoutLocale::get(AtomicString(token));
        if (locale->hasScriptForHan())
            return locale;
    }

    return nullptr;
}

} // namespace blink