| // Copyright (c) 2012 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 "chrome/browser/net/chrome_http_user_agent_settings.h" |
| |
| #include "base/prefs/pref_service.h" |
| #include "chrome/common/chrome_content_client.h" |
| #include "chrome/common/pref_names.h" |
| #include "content/public/browser/browser_thread.h" |
| #include "net/http/http_util.h" |
| |
| ChromeHttpUserAgentSettings::ChromeHttpUserAgentSettings(PrefService* prefs) { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::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( |
| content::BrowserThread::GetMessageLoopProxyForThread( |
| content::BrowserThread::IO)); |
| } |
| |
| ChromeHttpUserAgentSettings::~ChromeHttpUserAgentSettings() { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO)); |
| } |
| |
| void ChromeHttpUserAgentSettings::CleanupOnUIThread() { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI)); |
| pref_accept_language_.Destroy(); |
| } |
| |
| std::string ChromeHttpUserAgentSettings::GetAcceptLanguage() const { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::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 ChromeHttpUserAgentSettings::GetUserAgent() const { |
| DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO)); |
| return ::GetUserAgent(); |
| } |
| |