| // 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. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_LOCALE_CHANGE_GUARD_H_ |
| #define CHROME_BROWSER_CHROMEOS_LOCALE_CHANGE_GUARD_H_ |
| |
| #include <string> |
| |
| #include "ash/system/locale/locale_observer.h" |
| #include "base/compiler_specific.h" |
| #include "base/lazy_instance.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/memory/weak_ptr.h" |
| #include "base/strings/string16.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/notification_types.h" |
| |
| class Profile; |
| |
| namespace base { |
| class ListValue; |
| } |
| |
| namespace chromeos { |
| |
| // Performs check whether locale has been changed automatically recently |
| // (based on synchronized user preference). If so: shows notification that |
| // allows user to revert change. |
| class LocaleChangeGuard : public content::NotificationObserver, |
| public ash::LocaleObserver::Delegate, |
| public base::SupportsWeakPtr<LocaleChangeGuard> { |
| public: |
| explicit LocaleChangeGuard(Profile* profile); |
| virtual ~LocaleChangeGuard(); |
| |
| // ash::LocaleChangeDelegate implementation. |
| virtual void AcceptLocaleChange() OVERRIDE; |
| virtual void RevertLocaleChange() OVERRIDE; |
| |
| // Called just before changing locale. |
| void PrepareChangingLocale( |
| const std::string& from_locale, const std::string& to_locale); |
| |
| // Called after login. |
| void OnLogin(); |
| |
| private: |
| void RevertLocaleChangeCallback(const base::ListValue* list); |
| void Check(); |
| |
| // content::NotificationObserver implementation. |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| std::string from_locale_; |
| std::string to_locale_; |
| Profile* profile_; |
| bool reverted_; |
| bool session_started_; |
| bool main_frame_loaded_; |
| content::NotificationRegistrar registrar_; |
| |
| // We want to show locale change notification in previous language however |
| // we cannot directly load strings for non-current locale. So we cache |
| // messages before locale change. |
| base::string16 title_text_; |
| base::string16 message_text_; |
| base::string16 revert_link_text_; |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_LOCALE_CHANGE_GUARD_H_ |