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| 1 // Copyright (c) 2012 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 #include "content/browser/accessibility/dump_accessibility_tree_helper.h" | |
| 6 | |
| 7 #include <oleacc.h> | |
| 8 | |
| 9 #include <string> | |
| 10 | |
| 11 #include "base/files/file_path.h" | |
| 12 #include "base/string_util.h" | |
| 13 #include "base/stringprintf.h" | |
| 14 #include "base/utf_string_conversions.h" | |
| 15 #include "content/browser/accessibility/browser_accessibility_manager.h" | |
| 16 #include "content/browser/accessibility/browser_accessibility_win.h" | |
| 17 #include "content/common/accessibility_node_data.h" | |
| 18 #include "content/public/test/accessibility_test_utils_win.h" | |
| 19 #include "testing/gtest/include/gtest/gtest.h" | |
| 20 #include "third_party/iaccessible2/ia2_api_all.h" | |
| 21 #include "ui/base/win/atl_module.h" | |
| 22 | |
| 23 namespace content { | |
| 24 | |
| 25 void DumpAccessibilityTreeHelper::Initialize() { | |
| 26 ui::win::CreateATLModuleIfNeeded(); | |
| 27 } | |
| 28 | |
| 29 string16 DumpAccessibilityTreeHelper::ToString( | |
| 30 BrowserAccessibility* node, char* prefix) { | |
| 31 BrowserAccessibilityWin* acc_obj = node->ToBrowserAccessibilityWin(); | |
| 32 | |
| 33 // Get the computed name. | |
| 34 VARIANT variant_self; | |
| 35 variant_self.vt = VT_I4; | |
| 36 variant_self.lVal = CHILDID_SELF; | |
| 37 CComBSTR msaa_variant; | |
| 38 HRESULT hresult = acc_obj->get_accName(variant_self, &msaa_variant); | |
| 39 string16 name; | |
| 40 if (S_OK == hresult) | |
| 41 name = msaa_variant.m_str; | |
| 42 | |
| 43 hresult = acc_obj->get_accValue(variant_self, &msaa_variant); | |
| 44 string16 value; | |
| 45 if (S_OK == hresult) | |
| 46 value = msaa_variant.m_str; | |
| 47 | |
| 48 hresult = acc_obj->get_accDescription(variant_self, &msaa_variant); | |
| 49 string16 description; | |
| 50 if (S_OK == hresult) | |
| 51 description = msaa_variant.m_str; | |
| 52 | |
| 53 hresult = acc_obj->get_accHelp(variant_self, &msaa_variant); | |
| 54 string16 help; | |
| 55 if (S_OK == hresult) | |
| 56 help = msaa_variant.m_str; | |
| 57 | |
| 58 hresult = acc_obj->get_accDefaultAction(variant_self, &msaa_variant); | |
| 59 string16 default_action; | |
| 60 if (S_OK == hresult) | |
| 61 default_action = msaa_variant.m_str; | |
| 62 | |
| 63 hresult = acc_obj->get_accKeyboardShortcut(variant_self, &msaa_variant); | |
| 64 string16 keyboard_shortcut; | |
| 65 if (S_OK == hresult) | |
| 66 keyboard_shortcut = msaa_variant.m_str; | |
| 67 | |
| 68 // Get state strings. | |
| 69 std::vector<string16> state_strings; | |
| 70 IAccessibleStateToStringVector(acc_obj->ia_state(), &state_strings); | |
| 71 IAccessible2StateToStringVector(acc_obj->ia2_state(), &state_strings); | |
| 72 | |
| 73 // Get the attributes. | |
| 74 const std::vector<string16>& ia2_attributes = acc_obj->ia2_attributes(); | |
| 75 | |
| 76 // Build the line. | |
| 77 StartLine(); | |
| 78 Add(true, IAccessible2RoleToString(acc_obj->ia2_role())); | |
| 79 Add(true, L"name='" + name + L"'"); | |
| 80 Add(false, L"value='" + value + L"'"); | |
| 81 for (std::vector<string16>::const_iterator it = state_strings.begin(); | |
| 82 it != state_strings.end(); | |
| 83 ++it) { | |
| 84 Add(false, *it); | |
| 85 } | |
| 86 for (std::vector<string16>::const_iterator it = ia2_attributes.begin(); | |
| 87 it != ia2_attributes.end(); | |
| 88 ++it) { | |
| 89 Add(false, *it); | |
| 90 } | |
| 91 Add(false, L"role_name='" + acc_obj->role_name() + L"'"); | |
| 92 VARIANT currentValue; | |
| 93 if (acc_obj->get_currentValue(¤tValue) == S_OK) | |
| 94 Add(false, StringPrintf(L"currentValue=%.2f", V_R8(¤tValue))); | |
| 95 VARIANT minimumValue; | |
| 96 if (acc_obj->get_minimumValue(&minimumValue) == S_OK) | |
| 97 Add(false, StringPrintf(L"minimumValue=%.2f", V_R8(&minimumValue))); | |
| 98 VARIANT maximumValue; | |
| 99 if (acc_obj->get_maximumValue(&maximumValue) == S_OK) | |
| 100 Add(false, StringPrintf(L"maximumValue=%.2f", V_R8(&maximumValue))); | |
| 101 Add(false, L"description='" + description + L"'"); | |
| 102 Add(false, L"default_action='" + default_action + L"'"); | |
| 103 Add(false, L"keyboard_shortcut='" + keyboard_shortcut + L"'"); | |
| 104 BrowserAccessibility* root = node->manager()->GetRoot(); | |
| 105 LONG left, top, width, height; | |
| 106 LONG root_left, root_top, root_width, root_height; | |
| 107 if (S_FALSE != acc_obj->accLocation( | |
| 108 &left, &top, &width, &height, variant_self) && | |
| 109 S_FALSE != root->ToBrowserAccessibilityWin()->accLocation( | |
| 110 &root_left, &root_top, &root_width, &root_height, variant_self)) { | |
| 111 Add(false, StringPrintf(L"location=(%d, %d)", | |
| 112 left - root_left, top - root_top)); | |
| 113 Add(false, StringPrintf(L"size=(%d, %d)", width, height)); | |
| 114 } | |
| 115 LONG index_in_parent; | |
| 116 if (acc_obj->get_indexInParent(&index_in_parent) == S_OK) | |
| 117 Add(false, StringPrintf(L"index_in_parent=%d", index_in_parent)); | |
| 118 LONG n_relations; | |
| 119 if (acc_obj->get_nRelations(&n_relations) == S_OK) | |
| 120 Add(false, StringPrintf(L"n_relations=%d", n_relations)); | |
| 121 LONG group_level, similar_items_in_group, position_in_group; | |
| 122 if (acc_obj->get_groupPosition(&group_level, | |
| 123 &similar_items_in_group, | |
| 124 &position_in_group) == S_OK) { | |
| 125 Add(false, StringPrintf(L"group_level=%d", group_level)); | |
| 126 Add(false, StringPrintf(L"similar_items_in_group=%d", | |
| 127 similar_items_in_group)); | |
| 128 Add(false, StringPrintf(L"position_in_group=%d", position_in_group)); | |
| 129 } | |
| 130 LONG table_rows; | |
| 131 if (acc_obj->get_nRows(&table_rows) == S_OK) | |
| 132 Add(false, StringPrintf(L"table_rows=%d", table_rows)); | |
| 133 LONG table_columns; | |
| 134 if (acc_obj->get_nRows(&table_columns) == S_OK) | |
| 135 Add(false, StringPrintf(L"table_columns=%d", table_columns)); | |
| 136 LONG row_index; | |
| 137 if (acc_obj->get_rowIndex(&row_index) == S_OK) | |
| 138 Add(false, StringPrintf(L"row_index=%d", row_index)); | |
| 139 LONG column_index; | |
| 140 if (acc_obj->get_columnIndex(&column_index) == S_OK) | |
| 141 Add(false, StringPrintf(L"column_index=%d", column_index)); | |
| 142 LONG n_characters; | |
| 143 if (acc_obj->get_nCharacters(&n_characters) == S_OK) | |
| 144 Add(false, StringPrintf(L"n_characters=%d", n_characters)); | |
| 145 LONG caret_offset; | |
| 146 if (acc_obj->get_caretOffset(&caret_offset) == S_OK) | |
| 147 Add(false, StringPrintf(L"caret_offset=%d", caret_offset)); | |
| 148 LONG n_selections; | |
| 149 if (acc_obj->get_nSelections(&n_selections) == S_OK) { | |
| 150 Add(false, StringPrintf(L"n_selections=%d", n_selections)); | |
| 151 if (n_selections > 0) { | |
| 152 LONG start, end; | |
| 153 if (acc_obj->get_selection(0, &start, &end) == S_OK) { | |
| 154 Add(false, StringPrintf(L"selection_start=%d", start)); | |
| 155 Add(false, StringPrintf(L"selection_end=%d", end)); | |
| 156 } | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 return UTF8ToUTF16(prefix) + FinishLine() + ASCIIToUTF16("\n"); | |
| 161 } | |
| 162 | |
| 163 const base::FilePath::StringType | |
| 164 DumpAccessibilityTreeHelper::GetActualFileSuffix() const { | |
| 165 return FILE_PATH_LITERAL("-actual-win.txt"); | |
| 166 } | |
| 167 | |
| 168 const base::FilePath::StringType | |
| 169 DumpAccessibilityTreeHelper::GetExpectedFileSuffix() const { | |
| 170 return FILE_PATH_LITERAL("-expected-win.txt"); | |
| 171 } | |
| 172 | |
| 173 const std::string DumpAccessibilityTreeHelper::GetAllowEmptyString() const { | |
| 174 return "@WIN-ALLOW-EMPTY:"; | |
| 175 } | |
| 176 | |
| 177 const std::string DumpAccessibilityTreeHelper::GetAllowString() const { | |
| 178 return "@WIN-ALLOW:"; | |
| 179 } | |
| 180 | |
| 181 const std::string DumpAccessibilityTreeHelper::GetDenyString() const { | |
| 182 return "@WIN-DENY:"; | |
| 183 } | |
| 184 | |
| 185 } // namespace content | |
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