| // Copyright 2015 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 "ios/chrome/browser/net/ios_chrome_http_user_agent_settings.h" |
| |
| #include "components/prefs/pref_service.h" |
| #include "ios/chrome/browser/pref_names.h" |
| #include "ios/web/public/web_client.h" |
| #include "ios/web/public/web_thread.h" |
| #include "net/http/http_util.h" |
| |
| #if !defined(__has_feature) || !__has_feature(objc_arc) |
| #error "This file requires ARC support." |
| #endif |
| |
| IOSChromeHttpUserAgentSettings::IOSChromeHttpUserAgentSettings( |
| PrefService* prefs) { |
| DCHECK_CURRENTLY_ON(web::WebThread::UI); |
| pref_accept_language_.Init(prefs::kAcceptLanguages, prefs); |
| last_pref_accept_language_ = *pref_accept_language_; |
| last_http_accept_language_ = |
| net::HttpUtil::GenerateAcceptLanguageHeader(last_pref_accept_language_); |
| pref_accept_language_.MoveToThread( |
| web::WebThread::GetTaskRunnerForThread(web::WebThread::IO)); |
| } |
| |
| IOSChromeHttpUserAgentSettings::~IOSChromeHttpUserAgentSettings() { |
| DCHECK_CURRENTLY_ON(web::WebThread::IO); |
| } |
| |
| void IOSChromeHttpUserAgentSettings::CleanupOnUIThread() { |
| DCHECK_CURRENTLY_ON(web::WebThread::UI); |
| pref_accept_language_.Destroy(); |
| } |
| |
| std::string IOSChromeHttpUserAgentSettings::GetAcceptLanguage() const { |
| DCHECK_CURRENTLY_ON(web::WebThread::IO); |
| std::string new_pref_accept_language = *pref_accept_language_; |
| if (new_pref_accept_language != last_pref_accept_language_) { |
| last_http_accept_language_ = |
| net::HttpUtil::GenerateAcceptLanguageHeader(new_pref_accept_language); |
| last_pref_accept_language_ = new_pref_accept_language; |
| } |
| return last_http_accept_language_; |
| } |
| |
| std::string IOSChromeHttpUserAgentSettings::GetUserAgent() const { |
| DCHECK_CURRENTLY_ON(web::WebThread::IO); |
| return web::GetWebClient()->GetUserAgent(false); |
| } |