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      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 
     11 namespace chromeos {
     12 namespace system {
     13 
     14 // Observes changes in device hierarchy. When a new touchpad/mouse is attached,
     15 // applies the last used profile's touchpad/mouse settings to the system.
     16 class 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 }  // namesspace chromeos
     31 
     32 
     33 #endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_DEVICE_CHANGE_HANDLER_H_
     34