| // Copyright 2016 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_CHROMEOS_DEVICE_POINTER_HANDLER_H_ |
| #define CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_DEVICE_POINTER_HANDLER_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "chrome/browser/chromeos/system/pointer_device_observer.h" |
| #include "chrome/browser/ui/webui/settings/settings_page_ui_handler.h" |
| |
| namespace base { |
| class ListValue; |
| } |
| |
| namespace chromeos { |
| namespace settings { |
| |
| // Chrome OS "Mouse and touchpad" settings page UI handler. |
| class PointerHandler |
| : public ::settings::SettingsPageUIHandler, |
| public chromeos::system::PointerDeviceObserver::Observer { |
| public: |
| PointerHandler(); |
| ~PointerHandler() override; |
| |
| // SettingsPageUIHandler implementation. |
| void RegisterMessages() override; |
| void OnJavascriptAllowed() override; |
| void OnJavascriptDisallowed() override; |
| |
| private: |
| // PointerDeviceObserver implementation. |
| void TouchpadExists(bool exists) override; |
| void MouseExists(bool exists) override; |
| |
| // Initializes the page with the current pointer information. |
| void HandleInitialize(const base::ListValue* args); |
| |
| std::unique_ptr<chromeos::system::PointerDeviceObserver> |
| pointer_device_observer_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PointerHandler); |
| }; |
| |
| } // namespace settings |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_UI_WEBUI_SETTINGS_CHROMEOS_DEVICE_POINTER_HANDLER_H_ |