1// Copyright 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CHROME_BROWSER_CHROMEOS_SYSTEM_DEVICE_CHANGE_HANDLER_H_
6#define CHROME_BROWSER_CHROMEOS_SYSTEM_DEVICE_CHANGE_HANDLER_H_
7
8#include "base/memory/scoped_ptr.h"
9#include "chrome/browser/chromeos/system/pointer_device_observer.h"
10
11namespace chromeos {
12namespace system {
13
14// Observes changes in device hierarchy. When a new touchpad/mouse is attached,
15// applies the last used touchpad/mouse settings to the system.
16class DeviceChangeHandler : public PointerDeviceObserver::Observer {
17 public:
18  DeviceChangeHandler();
19  virtual ~DeviceChangeHandler();
20
21 private:
22  // PointerDeviceObserver::Observer implementation.
23  virtual void TouchpadExists(bool exists) OVERRIDE;
24  virtual void MouseExists(bool exists) OVERRIDE;
25
26  scoped_ptr<PointerDeviceObserver> pointer_device_observer_;
27};
28
29}  // namespace system
30}  // namespace chromeos
31
32
33#endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_DEVICE_CHANGE_HANDLER_H_
34