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// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_SETTINGS_LANGUAGES_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_SETTINGS_LANGUAGES_HANDLER_H_
#include "base/memory/raw_ptr.h"
#include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h"
#if BUILDFLAG(IS_CHROMEOS)
class Profile;
#endif
namespace settings {
// Chrome "Languages" settings page UI handler.
class LanguagesHandler : public SettingsPageUIHandler {
public:
#if BUILDFLAG(IS_CHROMEOS)
explicit LanguagesHandler(Profile* profile);
#else
LanguagesHandler();
#endif
LanguagesHandler(const LanguagesHandler&) = delete;
LanguagesHandler& operator=(const LanguagesHandler&) = delete;
~LanguagesHandler() override;
// SettingsPageUIHandler implementation.
void RegisterMessages() override;
void OnJavascriptAllowed() override {}
void OnJavascriptDisallowed() override {}
private:
// Returns the prospective UI language. May not match the actual UI language,
// depending on the user's permissions and whether the language is substituted
// for another locale.
void HandleGetProspectiveUILanguage(const base::Value::List& args);
// Changes the preferred UI language, provided the user is allowed to do so.
// The actual UI language will not change until the next restart.
void HandleSetProspectiveUILanguage(const base::Value::List& args);
#if BUILDFLAG(IS_CHROMEOS)
raw_ptr<Profile> profile_; // Weak pointer.
#endif
};
} // namespace settings
#endif // CHROME_BROWSER_UI_WEBUI_SETTINGS_LANGUAGES_HANDLER_H_
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