1// Copyright 2014 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 UI_EVENTS_INPUT_DEVICE_EVENT_OBSERVER_H_ 6#define UI_EVENTS_INPUT_DEVICE_EVENT_OBSERVER_H_ 7 8namespace ui { 9 10// DeviceDataManager observer used to announce input hotplug events. 11class InputDeviceEventObserver { 12 public: 13 virtual ~InputDeviceEventObserver() {} 14 15 virtual void OnInputDeviceConfigurationChanged() = 0; 16}; 17 18} // namespace ui 19 20#endif // UI_EVENTS_INPUT_DEVICE_EVENT_OBSERVER_H_ 21