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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 "ui/gfx/win/physical_size.h" | 5 #include "ui/gfx/win/physical_size.h" |
| 6 | 6 |
| 7 #include <windows.h> | 7 #include <windows.h> |
| 8 #include <setupapi.h> | 8 #include <setupapi.h> |
| 9 | 9 |
| 10 #include <iostream> | 10 #include <iostream> |
| 11 #include <memory> |
| 11 | 12 |
| 12 #include "base/logging.h" | 13 #include "base/logging.h" |
| 13 #include "base/memory/free_deleter.h" | 14 #include "base/memory/free_deleter.h" |
| 14 #include "base/memory/scoped_ptr.h" | |
| 15 #include "base/scoped_generic.h" | 15 #include "base/scoped_generic.h" |
| 16 #include "base/strings/utf_string_conversions.h" | 16 #include "base/strings/utf_string_conversions.h" |
| 17 #include "base/win/registry.h" | 17 #include "base/win/registry.h" |
| 18 | 18 |
| 19 // This GUID {E6F07B5F-EE97-4A90-B076-33F57BF4EAA7} was taken from | 19 // This GUID {E6F07B5F-EE97-4A90-B076-33F57BF4EAA7} was taken from |
| 20 // https://msdn.microsoft.com/en-us/library/windows/hardware/ff545901.aspx | 20 // https://msdn.microsoft.com/en-us/library/windows/hardware/ff545901.aspx |
| 21 const GUID GUID_DEVICEINTERFACE_MONITOR = { | 21 const GUID GUID_DEVICEINTERFACE_MONITOR = { |
| 22 0xE6F07B5F, | 22 0xE6F07B5F, |
| 23 0xEE97, | 23 0xEE97, |
| 24 0x4A90, | 24 0x4A90, |
| (...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 65 | 65 |
| 66 *width_mm = w; | 66 *width_mm = w; |
| 67 *height_mm = h; | 67 *height_mm = h; |
| 68 | 68 |
| 69 return true; | 69 return true; |
| 70 } | 70 } |
| 71 | 71 |
| 72 bool GetInterfaceDetailAndDeviceInfo( | 72 bool GetInterfaceDetailAndDeviceInfo( |
| 73 HDEVINFO device_info_list, | 73 HDEVINFO device_info_list, |
| 74 SP_DEVICE_INTERFACE_DATA* interface_data, | 74 SP_DEVICE_INTERFACE_DATA* interface_data, |
| 75 scoped_ptr<SP_DEVICE_INTERFACE_DETAIL_DATA, base::FreeDeleter>* | 75 std::unique_ptr<SP_DEVICE_INTERFACE_DETAIL_DATA, base::FreeDeleter>* |
| 76 interface_detail, | 76 interface_detail, |
| 77 SP_DEVINFO_DATA* device_info) { | 77 SP_DEVINFO_DATA* device_info) { |
| 78 DCHECK_EQ(sizeof(*device_info), device_info->cbSize); | 78 DCHECK_EQ(sizeof(*device_info), device_info->cbSize); |
| 79 DWORD buffer_size; | 79 DWORD buffer_size; |
| 80 // This call populates device_info. It will also fail, but if the error is | 80 // This call populates device_info. It will also fail, but if the error is |
| 81 // "insufficient buffer" then it will set buffer_size and we can call again | 81 // "insufficient buffer" then it will set buffer_size and we can call again |
| 82 // with an allocated buffer. | 82 // with an allocated buffer. |
| 83 SetupDiGetDeviceInterfaceDetail(device_info_list, interface_data, nullptr, 0, | 83 SetupDiGetDeviceInterfaceDetail(device_info_list, interface_data, nullptr, 0, |
| 84 &buffer_size, device_info); | 84 &buffer_size, device_info); |
| 85 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) | 85 if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) |
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| 112 | 112 |
| 113 if (!device_info_list.is_valid()) | 113 if (!device_info_list.is_valid()) |
| 114 return out; | 114 return out; |
| 115 | 115 |
| 116 SP_DEVICE_INTERFACE_DATA interface_data = {}; | 116 SP_DEVICE_INTERFACE_DATA interface_data = {}; |
| 117 interface_data.cbSize = sizeof(interface_data); | 117 interface_data.cbSize = sizeof(interface_data); |
| 118 int interface_index = 0; | 118 int interface_index = 0; |
| 119 while (SetupDiEnumDeviceInterfaces(device_info_list.get(), nullptr, | 119 while (SetupDiEnumDeviceInterfaces(device_info_list.get(), nullptr, |
| 120 &GUID_DEVICEINTERFACE_MONITOR, | 120 &GUID_DEVICEINTERFACE_MONITOR, |
| 121 interface_index++, &interface_data)) { | 121 interface_index++, &interface_data)) { |
| 122 scoped_ptr<SP_DEVICE_INTERFACE_DETAIL_DATA, base::FreeDeleter> | 122 std::unique_ptr<SP_DEVICE_INTERFACE_DETAIL_DATA, base::FreeDeleter> |
| 123 interface_detail; | 123 interface_detail; |
| 124 SP_DEVINFO_DATA device_info = {}; | 124 SP_DEVINFO_DATA device_info = {}; |
| 125 device_info.cbSize = sizeof(device_info); | 125 device_info.cbSize = sizeof(device_info); |
| 126 bool get_info_succeeded = | 126 bool get_info_succeeded = |
| 127 GetInterfaceDetailAndDeviceInfo(device_info_list.get(), &interface_data, | 127 GetInterfaceDetailAndDeviceInfo(device_info_list.get(), &interface_data, |
| 128 &interface_detail, &device_info); | 128 &interface_detail, &device_info); |
| 129 if (!get_info_succeeded) | 129 if (!get_info_succeeded) |
| 130 continue; | 130 continue; |
| 131 | 131 |
| 132 DISPLAY_DEVICE display_device = {}; | 132 DISPLAY_DEVICE display_device = {}; |
| (...skipping 21 matching lines...) Expand all Loading... |
| 154 } | 154 } |
| 155 break; | 155 break; |
| 156 } | 156 } |
| 157 } | 157 } |
| 158 } | 158 } |
| 159 } | 159 } |
| 160 return out; | 160 return out; |
| 161 } | 161 } |
| 162 | 162 |
| 163 } // namespace gfx | 163 } // namespace gfx |
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