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 namespace device {
  12
  13 struct HidDeviceInfo;
  14
  15 class HidDeviceFilter {
  16  public:
  17   HidDeviceFilter();
  18   ~HidDeviceFilter();
  19
  20   void SetVendorId(uint16_t vendor_id);
  21   void SetProductId(uint16_t product_id);
  22   void SetUsagePage(uint16_t usage_page);
  23   void SetUsage(uint16_t usage);
  24
  25   bool Matches(const HidDeviceInfo& device_info) const;
  26
  27   static bool MatchesAny(const HidDeviceInfo& device_info,
  28                          const std::vector<HidDeviceFilter>& filters);
  29
  30  private:
  31   uint16_t vendor_id_;
  32   uint16_t product_id_;
  33   uint16_t usage_page_;
  34   uint16_t usage_;
  35   bool vendor_id_set_ : 1;
  36   bool product_id_set_ : 1;
  37   bool usage_page_set_ : 1;
  38   bool usage_set_ : 1;
  39 };
  40
  41 }  // namespace device
  42
  43 #endif  // DEVICE_HID_HID_DEVICE_FILTER_H_