1// Copyright (c) 2012 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 DEVICE_USB_USB_IDS_H_
6#define DEVICE_USB_USB_IDS_H_
7
8#include <stdint.h>
9
10#include "base/basictypes.h"
11
12namespace device {
13
14struct UsbProduct {
15  const uint16_t id;
16  const char* name;
17};
18
19struct UsbVendor {
20  const uint16_t id;
21  const char* name;
22  const size_t product_size;
23  const UsbProduct* products;
24};
25
26// UsbIds provides a static mapping from a vendor ID to a name, as well as a
27// mapping from a vendor/product ID pair to a product name.
28class UsbIds {
29 public:
30  // Gets the name of the vendor who owns |vendor_id|. Returns NULL if the
31  // specified |vendor_id| does not exist.
32  static const char* GetVendorName(uint16_t vendor_id);
33
34  // Gets the name of a product belonging to a specific vendor. If either
35  // |vendor_id| refers to a vendor that does not exist, or |vendor_id| is valid
36  // but |product_id| refers to a product that does not exist, this method
37  // returns NULL.
38  static const char* GetProductName(uint16_t vendor_id, uint16_t product_id);
39
40 private:
41  UsbIds();
42  ~UsbIds();
43
44  // Finds the static UsbVendor associated with |vendor_id|. Returns NULL if no
45  // such vendor exists.
46  static const UsbVendor* FindVendor(uint16_t vendor_id);
47
48  // These fields are defined in a generated file. See device/usb/usb.gyp for
49  // more information on how they are generated.
50  static const size_t vendor_size_;
51  static const UsbVendor vendors_[];
52
53  DISALLOW_COPY_AND_ASSIGN(UsbIds);
54};
55
56}  // namespace device
57
58#endif  // DEVICE_USB_USB_IDS_H_
59