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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 
12 namespace device {
13 
14 struct UsbProduct {
15   const uint16_t id;
16   const char* name;
17 };
18 
19 struct 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.
28 class 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