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      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_SERVICE_WIN_H_
      6 #define DEVICE_HID_HID_SERVICE_WIN_H_
      7 
      8 #include <map>
      9 
     10 #include "device/hid/hid_device_info.h"
     11 #include "device/hid/hid_service.h"
     12 
     13 #if defined(OS_WIN)
     14 
     15 #include <windows.h>
     16 #include <hidclass.h>
     17 
     18 extern "C" {
     19 #include <hidsdi.h>
     20 #include <hidpi.h>
     21 }
     22 
     23 #endif  // defined(OS_WIN)
     24 
     25 namespace device {
     26 
     27 class HidConnection;
     28 
     29 class HidServiceWin : public HidService {
     30  public:
     31   HidServiceWin();
     32 
     33   virtual void GetDevices(std::vector<HidDeviceInfo>* devices) OVERRIDE;
     34 
     35   virtual scoped_refptr<HidConnection> Connect(const HidDeviceId& device_id)
     36       OVERRIDE;
     37 
     38  private:
     39   virtual ~HidServiceWin();
     40 
     41   void Enumerate();
     42   static void CollectInfoFromButtonCaps(PHIDP_PREPARSED_DATA preparsed_data,
     43                                         HIDP_REPORT_TYPE report_type,
     44                                         USHORT button_caps_length,
     45                                         HidCollectionInfo* collection_info);
     46   static void CollectInfoFromValueCaps(PHIDP_PREPARSED_DATA preparsed_data,
     47                                        HIDP_REPORT_TYPE report_type,
     48                                        USHORT value_caps_length,
     49                                        HidCollectionInfo* collection_info);
     50   void PlatformAddDevice(const std::string& device_path);
     51   void PlatformRemoveDevice(const std::string& device_path);
     52 
     53   DISALLOW_COPY_AND_ASSIGN(HidServiceWin);
     54 };
     55 
     56 }  // namespace device
     57 
     58 #endif  // DEVICE_HID_HID_SERVICE_WIN_H_
     59