| // 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 "chrome/browser/ui/webui/settings/languages_handler.h" |
| |
| #include "base/bind.h" |
| #include "base/values.h" |
| #include "build/build_config.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/common/pref_names.h" |
| #include "components/language/core/browser/pref_names.h" |
| #include "components/prefs/pref_service.h" |
| #include "content/public/browser/web_ui.h" |
| |
| #if defined(OS_CHROMEOS) |
| #include "chrome/browser/chromeos/base/locale_util.h" |
| #include "chrome/browser/chromeos/profiles/profile_helper.h" |
| #include "components/user_manager/user_manager.h" |
| #include "components/user_manager/user_type.h" |
| #endif |
| |
| namespace settings { |
| |
| LanguagesHandler::LanguagesHandler(content::WebUI* webui) |
| : profile_(Profile::FromWebUI(webui)) { |
| } |
| |
| LanguagesHandler::~LanguagesHandler() { |
| } |
| |
| void LanguagesHandler::RegisterMessages() { |
| web_ui()->RegisterMessageCallback( |
| "getProspectiveUILanguage", |
| base::BindRepeating(&LanguagesHandler::HandleGetProspectiveUILanguage, |
| base::Unretained(this))); |
| web_ui()->RegisterMessageCallback( |
| "setProspectiveUILanguage", |
| base::BindRepeating(&LanguagesHandler::HandleSetProspectiveUILanguage, |
| base::Unretained(this))); |
| } |
| |
| void LanguagesHandler::HandleGetProspectiveUILanguage( |
| const base::ListValue* args) { |
| const base::Value* callback_id; |
| CHECK(args->Get(0, &callback_id)); |
| |
| AllowJavascript(); |
| |
| std::string locale; |
| #if defined(OS_CHROMEOS) |
| // On Chrome OS, an individual profile may have a preferred locale. |
| locale = profile_->GetPrefs()->GetString(language::prefs::kApplicationLocale); |
| #endif // defined(OS_CHROMEOS) |
| |
| if (locale.empty()) { |
| locale = g_browser_process->local_state()->GetString( |
| language::prefs::kApplicationLocale); |
| } |
| |
| ResolveJavascriptCallback(*callback_id, base::Value(locale)); |
| } |
| |
| void LanguagesHandler::HandleSetProspectiveUILanguage( |
| const base::ListValue* args) { |
| AllowJavascript(); |
| CHECK_EQ(1U, args->GetSize()); |
| |
| std::string language_code; |
| CHECK(args->GetString(0, &language_code)); |
| |
| #if defined(OS_WIN) |
| PrefService* prefs = g_browser_process->local_state(); |
| prefs->SetString(language::prefs::kApplicationLocale, language_code); |
| #elif defined(OS_CHROMEOS) |
| // Secondary users and public session users cannot change the locale. |
| user_manager::UserManager* user_manager = user_manager::UserManager::Get(); |
| const user_manager::User* user = |
| chromeos::ProfileHelper::Get()->GetUserByProfile(profile_); |
| if (user && |
| user->GetAccountId() == user_manager->GetPrimaryUser()->GetAccountId() && |
| user->GetType() != user_manager::USER_TYPE_PUBLIC_ACCOUNT) { |
| profile_->ChangeAppLocale(language_code, |
| Profile::APP_LOCALE_CHANGED_VIA_SETTINGS); |
| } |
| #endif |
| } |
| |
| } // namespace settings |