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_DEVICE_HOTPLUG_EVENT_OBSERVER_H_
6#define UI_EVENTS_DEVICE_HOTPLUG_EVENT_OBSERVER_H_
7
8#include "ui/events/events_base_export.h"
9#include "ui/events/touchscreen_device.h"
10
11namespace ui {
12
13// Listener for specific input device hotplug events.
14class EVENTS_BASE_EXPORT DeviceHotplugEventObserver {
15 public:
16  virtual ~DeviceHotplugEventObserver() {}
17
18  // On a hotplug event this is called with the list of available devices.
19  virtual void OnTouchscreenDevicesUpdated(
20      const std::vector<TouchscreenDevice>& devices) = 0;
21};
22
23}  // namespace ui
24
25#endif  // UI_EVENTS_DEVICE_HOTPLUG_EVENT_OBSERVER_H_
26