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