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// 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_UI_WEBUI_OPTIONS_CHROMEOS_KEYBOARD_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_KEYBOARD_HANDLER_H_
#include "base/compiler_specific.h"
#include "base/macros.h"
#include "chrome/browser/ui/webui/options/options_ui.h"
#include "components/prefs/pref_member.h"
#include "ui/events/devices/input_device_event_observer.h"
namespace chromeos {
namespace options {
// Customize modifier keys overlay page UI handler.
class KeyboardHandler
: public ::options::OptionsPageUIHandler,
public ui::InputDeviceEventObserver {
public:
KeyboardHandler();
~KeyboardHandler() override;
// OptionsPageUIHandler implementation.
void GetLocalizedValues(base::DictionaryValue* localized_strings) override;
void InitializePage() override;
void RegisterMessages() override;
// ui::InputDeviceEventObserver:
void OnKeyboardDeviceConfigurationChanged() override;
private:
// Show the keyboard shortcuts overlay from the options page.
void HandleShowKeyboardShortcuts(const base::ListValue* args);
// Shows or hides the CapsLock options based on whether or not there is an
// external keyboard connected.
void UpdateCapsLockOptions() const;
DISALLOW_COPY_AND_ASSIGN(KeyboardHandler);
};
} // namespace options
} // namespace chromeos
#endif // CHROME_BROWSER_UI_WEBUI_OPTIONS_CHROMEOS_KEYBOARD_HANDLER_H_
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