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Side by Side Diff: device/hid/hid_connection_win.cc

Issue 783773002: Register for HID device notifications on Windows. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 6 years ago
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1 // Copyright (c) 2014 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "device/hid/hid_connection_win.h" 5 #include "device/hid/hid_connection_win.h"
6 6
7 #include <cstring> 7 #include <cstring>
8 8
9 #include "base/bind.h" 9 #include "base/bind.h"
10 #include "base/files/file.h" 10 #include "base/files/file.h"
(...skipping 84 matching lines...) Expand 10 before | Expand all | Expand 10 after
95 95
96 callback_.Run(this, true); 96 callback_.Run(this, true);
97 Release(); 97 Release();
98 } 98 }
99 99
100 void PendingHidTransfer::WillDestroyCurrentMessageLoop() { 100 void PendingHidTransfer::WillDestroyCurrentMessageLoop() {
101 watcher_.StopWatching(); 101 watcher_.StopWatching();
102 callback_.Run(this, false); 102 callback_.Run(this, false);
103 } 103 }
104 104
105 HidConnectionWin::HidConnectionWin(const HidDeviceInfo& device_info) 105 HidConnectionWin::HidConnectionWin(const HidDeviceInfo& device_info,
106 base::win::ScopedHandle file)
106 : HidConnection(device_info) { 107 : HidConnection(device_info) {
107 file_.Set(CreateFileA(device_info.device_id.c_str(), 108 file_ = file.Pass();
108 GENERIC_WRITE | GENERIC_READ,
109 FILE_SHARE_READ | FILE_SHARE_WRITE,
110 NULL,
111 OPEN_EXISTING,
112 FILE_FLAG_OVERLAPPED,
113 NULL));
114
115 if (!file_.IsValid() &&
116 GetLastError() == base::File::FILE_ERROR_ACCESS_DENIED) {
117 file_.Set(CreateFileA(device_info.device_id.c_str(),
118 GENERIC_READ,
119 FILE_SHARE_READ,
120 NULL,
121 OPEN_EXISTING,
122 FILE_FLAG_OVERLAPPED,
123 NULL));
124 }
125 } 109 }
126 110
127 HidConnectionWin::~HidConnectionWin() { 111 HidConnectionWin::~HidConnectionWin() {
128 } 112 }
129 113
130 void HidConnectionWin::PlatformClose() { 114 void HidConnectionWin::PlatformClose() {
131 CancelIo(file_.Get()); 115 CancelIo(file_.Get());
132 } 116 }
133 117
134 void HidConnectionWin::PlatformRead( 118 void HidConnectionWin::PlatformRead(
(...skipping 122 matching lines...) Expand 10 before | Expand all | Expand 10 after
257 if (GetOverlappedResult( 241 if (GetOverlappedResult(
258 file_.Get(), transfer->GetOverlapped(), &bytes_transferred, FALSE)) { 242 file_.Get(), transfer->GetOverlapped(), &bytes_transferred, FALSE)) {
259 callback.Run(true); 243 callback.Run(true);
260 } else { 244 } else {
261 VPLOG(1) << "HID write failed"; 245 VPLOG(1) << "HID write failed";
262 callback.Run(false); 246 callback.Run(false);
263 } 247 }
264 } 248 }
265 249
266 } // namespace device 250 } // namespace device
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