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// 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_
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