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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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_service_win.h" | 5 #include "device/hid/hid_service_win.h" |
6 | 6 |
| 7 #include <memory> |
| 8 |
7 #define INITGUID | 9 #define INITGUID |
8 | 10 |
9 #include <dbt.h> | 11 #include <dbt.h> |
10 #include <setupapi.h> | 12 #include <setupapi.h> |
11 #include <stddef.h> | 13 #include <stddef.h> |
12 #include <winioctl.h> | 14 #include <winioctl.h> |
13 | 15 |
14 #include <utility> | 16 #include <utility> |
15 | 17 |
16 #include "base/bind.h" | 18 #include "base/bind.h" |
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89 &GUID_DEVINTERFACE_HID, | 91 &GUID_DEVINTERFACE_HID, |
90 device_index, | 92 device_index, |
91 &device_interface_data); | 93 &device_interface_data); |
92 ++device_index) { | 94 ++device_index) { |
93 DWORD required_size = 0; | 95 DWORD required_size = 0; |
94 | 96 |
95 // Determime the required size of detail struct. | 97 // Determime the required size of detail struct. |
96 SetupDiGetDeviceInterfaceDetail(device_info_set, &device_interface_data, | 98 SetupDiGetDeviceInterfaceDetail(device_info_set, &device_interface_data, |
97 NULL, 0, &required_size, NULL); | 99 NULL, 0, &required_size, NULL); |
98 | 100 |
99 scoped_ptr<SP_DEVICE_INTERFACE_DETAIL_DATA, base::FreeDeleter> | 101 std::unique_ptr<SP_DEVICE_INTERFACE_DETAIL_DATA, base::FreeDeleter> |
100 device_interface_detail_data( | 102 device_interface_detail_data( |
101 static_cast<SP_DEVICE_INTERFACE_DETAIL_DATA*>(malloc(required_size))); | 103 static_cast<SP_DEVICE_INTERFACE_DETAIL_DATA*>(malloc(required_size))); |
102 device_interface_detail_data->cbSize = | 104 device_interface_detail_data->cbSize = |
103 sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); | 105 sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA); |
104 | 106 |
105 // Get the detailed data for this device. | 107 // Get the detailed data for this device. |
106 BOOL res = SetupDiGetDeviceInterfaceDetail( | 108 BOOL res = SetupDiGetDeviceInterfaceDetail( |
107 device_info_set, &device_interface_data, | 109 device_info_set, &device_interface_data, |
108 device_interface_detail_data.get(), required_size, NULL, NULL); | 110 device_interface_detail_data.get(), required_size, NULL, NULL); |
109 if (!res) { | 111 if (!res) { |
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122 FROM_HERE, base::Bind(&HidServiceWin::FirstEnumerationComplete, service)); | 124 FROM_HERE, base::Bind(&HidServiceWin::FirstEnumerationComplete, service)); |
123 } | 125 } |
124 | 126 |
125 // static | 127 // static |
126 void HidServiceWin::CollectInfoFromButtonCaps( | 128 void HidServiceWin::CollectInfoFromButtonCaps( |
127 PHIDP_PREPARSED_DATA preparsed_data, | 129 PHIDP_PREPARSED_DATA preparsed_data, |
128 HIDP_REPORT_TYPE report_type, | 130 HIDP_REPORT_TYPE report_type, |
129 USHORT button_caps_length, | 131 USHORT button_caps_length, |
130 HidCollectionInfo* collection_info) { | 132 HidCollectionInfo* collection_info) { |
131 if (button_caps_length > 0) { | 133 if (button_caps_length > 0) { |
132 scoped_ptr<HIDP_BUTTON_CAPS[]> button_caps( | 134 std::unique_ptr<HIDP_BUTTON_CAPS[]> button_caps( |
133 new HIDP_BUTTON_CAPS[button_caps_length]); | 135 new HIDP_BUTTON_CAPS[button_caps_length]); |
134 if (HidP_GetButtonCaps(report_type, | 136 if (HidP_GetButtonCaps(report_type, |
135 &button_caps[0], | 137 &button_caps[0], |
136 &button_caps_length, | 138 &button_caps_length, |
137 preparsed_data) == HIDP_STATUS_SUCCESS) { | 139 preparsed_data) == HIDP_STATUS_SUCCESS) { |
138 for (size_t i = 0; i < button_caps_length; i++) { | 140 for (size_t i = 0; i < button_caps_length; i++) { |
139 int report_id = button_caps[i].ReportID; | 141 int report_id = button_caps[i].ReportID; |
140 if (report_id != 0) { | 142 if (report_id != 0) { |
141 collection_info->report_ids.insert(report_id); | 143 collection_info->report_ids.insert(report_id); |
142 } | 144 } |
143 } | 145 } |
144 } | 146 } |
145 } | 147 } |
146 } | 148 } |
147 | 149 |
148 // static | 150 // static |
149 void HidServiceWin::CollectInfoFromValueCaps( | 151 void HidServiceWin::CollectInfoFromValueCaps( |
150 PHIDP_PREPARSED_DATA preparsed_data, | 152 PHIDP_PREPARSED_DATA preparsed_data, |
151 HIDP_REPORT_TYPE report_type, | 153 HIDP_REPORT_TYPE report_type, |
152 USHORT value_caps_length, | 154 USHORT value_caps_length, |
153 HidCollectionInfo* collection_info) { | 155 HidCollectionInfo* collection_info) { |
154 if (value_caps_length > 0) { | 156 if (value_caps_length > 0) { |
155 scoped_ptr<HIDP_VALUE_CAPS[]> value_caps( | 157 std::unique_ptr<HIDP_VALUE_CAPS[]> value_caps( |
156 new HIDP_VALUE_CAPS[value_caps_length]); | 158 new HIDP_VALUE_CAPS[value_caps_length]); |
157 if (HidP_GetValueCaps( | 159 if (HidP_GetValueCaps( |
158 report_type, &value_caps[0], &value_caps_length, preparsed_data) == | 160 report_type, &value_caps[0], &value_caps_length, preparsed_data) == |
159 HIDP_STATUS_SUCCESS) { | 161 HIDP_STATUS_SUCCESS) { |
160 for (size_t i = 0; i < value_caps_length; i++) { | 162 for (size_t i = 0; i < value_caps_length; i++) { |
161 int report_id = value_caps[i].ReportID; | 163 int report_id = value_caps[i].ReportID; |
162 if (report_id != 0) { | 164 if (report_id != 0) { |
163 collection_info->report_ids.insert(report_id); | 165 collection_info->report_ids.insert(report_id); |
164 } | 166 } |
165 } | 167 } |
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292 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, | 294 FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, |
293 FILE_FLAG_OVERLAPPED, NULL)); | 295 FILE_FLAG_OVERLAPPED, NULL)); |
294 if (!file.IsValid() && GetLastError() == ERROR_ACCESS_DENIED) { | 296 if (!file.IsValid() && GetLastError() == ERROR_ACCESS_DENIED) { |
295 file.Set(CreateFileA(device_path.c_str(), GENERIC_READ, FILE_SHARE_READ, | 297 file.Set(CreateFileA(device_path.c_str(), GENERIC_READ, FILE_SHARE_READ, |
296 NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL)); | 298 NULL, OPEN_EXISTING, FILE_FLAG_OVERLAPPED, NULL)); |
297 } | 299 } |
298 return file; | 300 return file; |
299 } | 301 } |
300 | 302 |
301 } // namespace device | 303 } // namespace device |
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