chromium/third_party/blink/renderer/core/exported/web_language_detection_details.cc

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

#include "third_party/blink/public/web/web_language_detection_details.h"

#include "base/metrics/histogram_functions.h"
#include "third_party/blink/public/common/metrics/accept_language_and_content_language_usage.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/renderer/core/dom/document.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/element_traversal.h"
#include "third_party/blink/renderer/core/frame/local_dom_window.h"
#include "third_party/blink/renderer/core/frame/local_frame.h"
#include "third_party/blink/renderer/core/frame/navigator.h"
#include "third_party/blink/renderer/core/html/html_head_element.h"
#include "third_party/blink/renderer/core/html/html_meta_element.h"
#include "third_party/blink/renderer/core/xml_names.h"

namespace blink {

namespace {

const AtomicString& DocumentLanguage(const Document& document) { … }

const AtomicString& DocumentXmlLanguage(const Document& document) { … }

bool HasNoTranslate(const Document& document) { … }

// Get language code ignoring locales. For `zh` family, as the
// languages with different locales have major difference, we return the value
// include its locales.
String GetLanguageCode(const String& language) { … }

void MatchTargetLanguageWithAcceptLanguages(
    const Document& document,
    const AtomicString& target_language,
    bool is_xml_lang,
    const std::string& language_histogram_name) { … }

}  // namespace

WebLanguageDetectionDetails
WebLanguageDetectionDetails::CollectLanguageDetectionDetails(
    const WebDocument& web_document) { … }

void WebLanguageDetectionDetails::RecordAcceptLanguageAndXmlHtmlLangMetric(
    const WebDocument& web_document) { … }

}  // namespace blink