device/hid/hid_device_filter.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 DEVICE_HID_HID_DEVICE_FILTER_H_
   6 #define DEVICE_HID_HID_DEVICE_FILTER_H_
   7
   8 #include <stdint.h>
   9 #include <vector>
  10
  11 #include "base/memory/ref_counted.h"
  12
  13 namespace device {
  14
  15 class HidDeviceInfo;
  16
  17 class HidDeviceFilter {
  18  public:
  19   HidDeviceFilter();
  20   ~HidDeviceFilter();
  21
  22   void SetVendorId(uint16_t vendor_id);
  23   void SetProductId(uint16_t product_id);
  24   void SetUsagePage(uint16_t usage_page);
  25   void SetUsage(uint16_t usage);
  26
  27   bool Matches(scoped_refptr<const HidDeviceInfo> device_info) const;
  28
  29   static bool MatchesAny(scoped_refptr<const HidDeviceInfo> device_info,
  30                          const std::vector<HidDeviceFilter>& filters);
  31
  32  private:
  33   uint16_t vendor_id_;
  34   uint16_t product_id_;
  35   uint16_t usage_page_;
  36   uint16_t usage_;
  37   bool vendor_id_set_ : 1;
  38   bool product_id_set_ : 1;
  39   bool usage_page_set_ : 1;
  40   bool usage_set_ : 1;
  41 };
  42
  43 }  // namespace device
  44
  45 #endif  // DEVICE_HID_HID_DEVICE_FILTER_H_