ui/events/devices/input_device.h

   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_DEVICES_INPUT_DEVICE_H_
   6 #define UI_EVENTS_DEVICES_INPUT_DEVICE_H_
   7
   8 #include <string>
   9
  10 #include "ui/events/devices/events_devices_export.h"
  11
  12 namespace ui {
  13
  14 enum InputDeviceType {
  15   INPUT_DEVICE_INTERNAL,  // Internally connected input device.
  16   INPUT_DEVICE_EXTERNAL,  // Known externally connected input device.
  17   INPUT_DEVICE_UNKNOWN,   // Device that may or may not be an external device.
  18 };
  19
  20 // Represents an input device state.
  21 struct EVENTS_DEVICES_EXPORT InputDevice {
  22   static const unsigned int kInvalidId;
  23
  24   // Creates an invalid input device.
  25   InputDevice();
  26
  27   InputDevice(unsigned int id, InputDeviceType type);
  28   virtual ~InputDevice();
  29
  30   // ID of the device. This ID is unique between all input devices.
  31   unsigned int id;
  32
  33   // The type of the input device.
  34   InputDeviceType type;
  35 };
  36
  37 }  // namespace ui
  38
  39 #endif  // UI_EVENTS_DEVICES_INPUT_DEVICE_H_