device/hid/hid_connection_win.h

   1 // Copyright (c) 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_CONNECTION_WIN_H_
   6 #define DEVICE_HID_HID_CONNECTION_WIN_H_
   7
   8 #include <windows.h>
   9
  10 #include <set>
  11
  12 #include "base/win/scoped_handle.h"
  13 #include "device/hid/hid_connection.h"
  14
  15 namespace device {
  16
  17 struct PendingHidTransfer;
  18
  19 class HidConnectionWin : public HidConnection {
  20  public:
  21   HidConnectionWin(scoped_refptr<HidDeviceInfo> device_info,
  22                    base::win::ScopedHandle file);
  23
  24  private:
  25   friend class HidServiceWin;
  26   friend struct PendingHidTransfer;
  27
  28   ~HidConnectionWin() override;
  29
  30   // HidConnection implementation.
  31   void PlatformClose() override;
  32   void PlatformRead(const ReadCallback& callback) override;
  33   void PlatformWrite(scoped_refptr<net::IOBuffer> buffer,
  34                      size_t size,
  35                      const WriteCallback& callback) override;
  36   void PlatformGetFeatureReport(uint8_t report_id,
  37                                 const ReadCallback& callback) override;
  38   void PlatformSendFeatureReport(scoped_refptr<net::IOBuffer> buffer,
  39                                  size_t size,
  40                                  const WriteCallback& callback) override;
  41
  42   void OnReadComplete(scoped_refptr<net::IOBuffer> buffer,
  43                       const ReadCallback& callback,
  44                       PendingHidTransfer* transfer,
  45                       bool signaled);
  46   void OnReadFeatureComplete(scoped_refptr<net::IOBuffer> buffer,
  47                              const ReadCallback& callback,
  48                              PendingHidTransfer* transfer,
  49                              bool signaled);
  50   void OnWriteComplete(const WriteCallback& callback,
  51                        PendingHidTransfer* transfer,
  52                        bool signaled);
  53
  54   base::win::ScopedHandle file_;
  55
  56   std::set<scoped_refptr<PendingHidTransfer> > transfers_;
  57
  58   DISALLOW_COPY_AND_ASSIGN(HidConnectionWin);
  59 };
  60
  61 }  // namespace device
  62
  63 #endif  // DEVICE_HID_HID_CONNECTION_WIN_H_