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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