| // Copyright 2019 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_UI_WEBUI_SETTINGS_ACCESSIBILITY_MAIN_HANDLER_H_ |
| #define CHROME_BROWSER_UI_WEBUI_SETTINGS_ACCESSIBILITY_MAIN_HANDLER_H_ |
| |
| #include "base/macros.h" |
| #include "build/chromeos_buildflags.h" |
| #include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h" |
| |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| #include "chrome/browser/ash/accessibility/accessibility_manager.h" |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| |
| namespace base { |
| class ListValue; |
| } |
| |
| namespace settings { |
| |
| // Settings handler for the main accessibility settings page, |
| // chrome://settings/accessibility. |
| class AccessibilityMainHandler : public ::settings::SettingsPageUIHandler { |
| public: |
| AccessibilityMainHandler(); |
| ~AccessibilityMainHandler() override; |
| AccessibilityMainHandler(const AccessibilityMainHandler&) = delete; |
| AccessibilityMainHandler& operator=(const AccessibilityMainHandler&) = delete; |
| |
| // SettingsPageUIHandler implementation. |
| void RegisterMessages() override; |
| void OnJavascriptAllowed() override; |
| void OnJavascriptDisallowed() override; |
| |
| void HandleA11yPageReady(const base::ListValue* args); |
| void HandleCheckAccessibilityImageLabels(const base::ListValue* args); |
| |
| private: |
| void SendScreenReaderStateChanged(); |
| |
| #if BUILDFLAG(IS_CHROMEOS_ASH) |
| void OnAccessibilityStatusChanged( |
| const ash::AccessibilityStatusEventDetails& details); |
| |
| base::CallbackListSubscription accessibility_subscription_; |
| #endif // BUILDFLAG(IS_CHROMEOS_ASH) |
| }; |
| |
| } // namespace settings |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_SETTINGS_ACCESSIBILITY_MAIN_HANDLER_H_ |