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 <stdint.h>
   9 #include <string>
  10
  11 #include "ui/events/devices/events_devices_export.h"
  12
  13 namespace ui {
  14
  15 enum InputDeviceType {
  16   INPUT_DEVICE_INTERNAL,  // Internally connected input device.
  17   INPUT_DEVICE_EXTERNAL,  // Known externally connected input device.
  18   INPUT_DEVICE_UNKNOWN,   // Device that may or may not be an external device.
  19 };
  20
  21 // Represents an input device state.
  22 struct EVENTS_DEVICES_EXPORT InputDevice {
  23   static const int kInvalidId;
  24
  25   // Creates an invalid input device.
  26   InputDevice();
  27
  28   InputDevice(int id, InputDeviceType type, const std::string& name);
  29   InputDevice(int id,
  30               InputDeviceType type,
  31               const std::string& name,
  32               uint16_t vendor,
  33               uint16_t product);
  34   virtual ~InputDevice();
  35
  36   // ID of the device. This ID is unique between all input devices.
  37   int id;
  38
  39   // The type of the input device.
  40   InputDeviceType type;
  41
  42   // Name of the device.
  43   std::string name;
  44
  45   // USB-style device identifiers, where available, or 0 if unavailable.
  46   uint16_t vendor_id;
  47   uint16_t product_id;
  48 };
  49
  50 }  // namespace ui
  51
  52 #endif  // UI_EVENTS_DEVICES_INPUT_DEVICE_H_