| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "content/browser/accessibility/accessibility_tree_formatter_utils_win.h" |
| |
| #include <oleacc.h> |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/memory/singleton.h" |
| #include "base/stl_util.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "third_party/iaccessible2/ia2_api_all.h" |
| |
| namespace content { |
| namespace { |
| struct PlatformConstantToNameEntry { |
| int32_t value; |
| const char* name; |
| }; |
| |
| base::string16 GetNameForPlatformConstant( |
| const PlatformConstantToNameEntry table[], |
| size_t table_size, |
| int32_t value) { |
| for (size_t i = 0; i < table_size; ++i) { |
| auto& entry = table[i]; |
| if (entry.value == value) |
| return base::ASCIIToUTF16(entry.name); |
| } |
| return L""; |
| } |
| } |
| |
| #define QUOTE(X) \ |
| { X, #X } |
| |
| CONTENT_EXPORT base::string16 IAccessibleRoleToString(int32_t ia_role) { |
| // MSAA / IAccessible roles. Each one of these is also a valid |
| // IAccessible2 role. |
| static const PlatformConstantToNameEntry ia_table[] = { |
| QUOTE(ROLE_SYSTEM_ALERT), QUOTE(ROLE_SYSTEM_ANIMATION), |
| QUOTE(ROLE_SYSTEM_APPLICATION), QUOTE(ROLE_SYSTEM_BORDER), |
| QUOTE(ROLE_SYSTEM_BUTTONDROPDOWN), QUOTE(ROLE_SYSTEM_BUTTONDROPDOWNGRID), |
| QUOTE(ROLE_SYSTEM_BUTTONMENU), QUOTE(ROLE_SYSTEM_CARET), |
| QUOTE(ROLE_SYSTEM_CELL), QUOTE(ROLE_SYSTEM_CHARACTER), |
| QUOTE(ROLE_SYSTEM_CHART), QUOTE(ROLE_SYSTEM_CHECKBUTTON), |
| QUOTE(ROLE_SYSTEM_CLIENT), QUOTE(ROLE_SYSTEM_CLOCK), |
| QUOTE(ROLE_SYSTEM_COLUMN), QUOTE(ROLE_SYSTEM_COLUMNHEADER), |
| QUOTE(ROLE_SYSTEM_COMBOBOX), QUOTE(ROLE_SYSTEM_CURSOR), |
| QUOTE(ROLE_SYSTEM_DIAGRAM), QUOTE(ROLE_SYSTEM_DIAL), |
| QUOTE(ROLE_SYSTEM_DIALOG), QUOTE(ROLE_SYSTEM_DOCUMENT), |
| QUOTE(ROLE_SYSTEM_DROPLIST), QUOTE(ROLE_SYSTEM_EQUATION), |
| QUOTE(ROLE_SYSTEM_GRAPHIC), QUOTE(ROLE_SYSTEM_GRIP), |
| QUOTE(ROLE_SYSTEM_GROUPING), QUOTE(ROLE_SYSTEM_HELPBALLOON), |
| QUOTE(ROLE_SYSTEM_HOTKEYFIELD), QUOTE(ROLE_SYSTEM_INDICATOR), |
| QUOTE(ROLE_SYSTEM_IPADDRESS), QUOTE(ROLE_SYSTEM_LINK), |
| QUOTE(ROLE_SYSTEM_LIST), QUOTE(ROLE_SYSTEM_LISTITEM), |
| QUOTE(ROLE_SYSTEM_MENUBAR), QUOTE(ROLE_SYSTEM_MENUITEM), |
| QUOTE(ROLE_SYSTEM_MENUPOPUP), QUOTE(ROLE_SYSTEM_OUTLINE), |
| QUOTE(ROLE_SYSTEM_OUTLINEBUTTON), QUOTE(ROLE_SYSTEM_OUTLINEITEM), |
| QUOTE(ROLE_SYSTEM_PAGETAB), QUOTE(ROLE_SYSTEM_PAGETABLIST), |
| QUOTE(ROLE_SYSTEM_PANE), QUOTE(ROLE_SYSTEM_PROGRESSBAR), |
| QUOTE(ROLE_SYSTEM_PROPERTYPAGE), QUOTE(ROLE_SYSTEM_PUSHBUTTON), |
| QUOTE(ROLE_SYSTEM_RADIOBUTTON), QUOTE(ROLE_SYSTEM_ROW), |
| QUOTE(ROLE_SYSTEM_ROWHEADER), QUOTE(ROLE_SYSTEM_SCROLLBAR), |
| QUOTE(ROLE_SYSTEM_SEPARATOR), QUOTE(ROLE_SYSTEM_SLIDER), |
| QUOTE(ROLE_SYSTEM_SOUND), QUOTE(ROLE_SYSTEM_SPINBUTTON), |
| QUOTE(ROLE_SYSTEM_SPLITBUTTON), QUOTE(ROLE_SYSTEM_STATICTEXT), |
| QUOTE(ROLE_SYSTEM_STATUSBAR), QUOTE(ROLE_SYSTEM_TABLE), |
| QUOTE(ROLE_SYSTEM_TEXT), QUOTE(ROLE_SYSTEM_TITLEBAR), |
| QUOTE(ROLE_SYSTEM_TOOLBAR), QUOTE(ROLE_SYSTEM_TOOLTIP), |
| QUOTE(ROLE_SYSTEM_WHITESPACE), QUOTE(ROLE_SYSTEM_WINDOW), |
| }; |
| |
| return GetNameForPlatformConstant(ia_table, base::size(ia_table), ia_role); |
| } |
| |
| CONTENT_EXPORT base::string16 IAccessible2RoleToString(int32_t ia2_role) { |
| base::string16 result = IAccessibleRoleToString(ia2_role); |
| if (!result.empty()) |
| return result; |
| |
| static const PlatformConstantToNameEntry ia2_table[] = { |
| QUOTE(IA2_ROLE_CANVAS), |
| QUOTE(IA2_ROLE_CAPTION), |
| QUOTE(IA2_ROLE_CHECK_MENU_ITEM), |
| QUOTE(IA2_ROLE_COLOR_CHOOSER), |
| QUOTE(IA2_ROLE_DATE_EDITOR), |
| QUOTE(IA2_ROLE_DESKTOP_ICON), |
| QUOTE(IA2_ROLE_DESKTOP_PANE), |
| QUOTE(IA2_ROLE_DIRECTORY_PANE), |
| QUOTE(IA2_ROLE_EDITBAR), |
| QUOTE(IA2_ROLE_EMBEDDED_OBJECT), |
| QUOTE(IA2_ROLE_ENDNOTE), |
| QUOTE(IA2_ROLE_FILE_CHOOSER), |
| QUOTE(IA2_ROLE_FONT_CHOOSER), |
| QUOTE(IA2_ROLE_FOOTER), |
| QUOTE(IA2_ROLE_FOOTNOTE), |
| QUOTE(IA2_ROLE_FORM), |
| QUOTE(IA2_ROLE_FRAME), |
| QUOTE(IA2_ROLE_GLASS_PANE), |
| QUOTE(IA2_ROLE_HEADER), |
| QUOTE(IA2_ROLE_HEADING), |
| QUOTE(IA2_ROLE_ICON), |
| QUOTE(IA2_ROLE_IMAGE_MAP), |
| QUOTE(IA2_ROLE_INPUT_METHOD_WINDOW), |
| QUOTE(IA2_ROLE_INTERNAL_FRAME), |
| QUOTE(IA2_ROLE_LABEL), |
| QUOTE(IA2_ROLE_LAYERED_PANE), |
| QUOTE(IA2_ROLE_NOTE), |
| QUOTE(IA2_ROLE_OPTION_PANE), |
| QUOTE(IA2_ROLE_PAGE), |
| QUOTE(IA2_ROLE_PARAGRAPH), |
| QUOTE(IA2_ROLE_RADIO_MENU_ITEM), |
| QUOTE(IA2_ROLE_REDUNDANT_OBJECT), |
| QUOTE(IA2_ROLE_ROOT_PANE), |
| QUOTE(IA2_ROLE_RULER), |
| QUOTE(IA2_ROLE_SCROLL_PANE), |
| QUOTE(IA2_ROLE_SECTION), |
| QUOTE(IA2_ROLE_SHAPE), |
| QUOTE(IA2_ROLE_SPLIT_PANE), |
| QUOTE(IA2_ROLE_TEAR_OFF_MENU), |
| QUOTE(IA2_ROLE_TERMINAL), |
| QUOTE(IA2_ROLE_TEXT_FRAME), |
| QUOTE(IA2_ROLE_TOGGLE_BUTTON), |
| QUOTE(IA2_ROLE_UNKNOWN), |
| QUOTE(IA2_ROLE_VIEW_PORT), |
| QUOTE(IA2_ROLE_COMPLEMENTARY_CONTENT), |
| QUOTE(IA2_ROLE_LANDMARK), |
| QUOTE(IA2_ROLE_LEVEL_BAR), |
| QUOTE(IA2_ROLE_CONTENT_DELETION), |
| QUOTE(IA2_ROLE_CONTENT_INSERTION), |
| }; |
| |
| return GetNameForPlatformConstant(ia2_table, base::size(ia2_table), ia2_role); |
| } |
| |
| CONTENT_EXPORT base::string16 AccessibilityEventToString(int32_t event) { |
| static const PlatformConstantToNameEntry event_table[] = { |
| QUOTE(EVENT_OBJECT_CREATE), |
| QUOTE(EVENT_OBJECT_DESTROY), |
| QUOTE(EVENT_OBJECT_SHOW), |
| QUOTE(EVENT_OBJECT_HIDE), |
| QUOTE(EVENT_OBJECT_REORDER), |
| QUOTE(EVENT_OBJECT_FOCUS), |
| QUOTE(EVENT_OBJECT_SELECTION), |
| QUOTE(EVENT_OBJECT_SELECTIONADD), |
| QUOTE(EVENT_OBJECT_SELECTIONREMOVE), |
| QUOTE(EVENT_OBJECT_SELECTIONWITHIN), |
| QUOTE(EVENT_OBJECT_STATECHANGE), |
| QUOTE(EVENT_OBJECT_LOCATIONCHANGE), |
| QUOTE(EVENT_OBJECT_NAMECHANGE), |
| QUOTE(EVENT_OBJECT_DESCRIPTIONCHANGE), |
| QUOTE(EVENT_OBJECT_VALUECHANGE), |
| QUOTE(EVENT_OBJECT_PARENTCHANGE), |
| QUOTE(EVENT_OBJECT_HELPCHANGE), |
| QUOTE(EVENT_OBJECT_DEFACTIONCHANGE), |
| QUOTE(EVENT_OBJECT_ACCELERATORCHANGE), |
| QUOTE(EVENT_OBJECT_INVOKED), |
| QUOTE(EVENT_OBJECT_TEXTSELECTIONCHANGED), |
| QUOTE(EVENT_OBJECT_CONTENTSCROLLED), |
| QUOTE(EVENT_OBJECT_LIVEREGIONCHANGED), |
| QUOTE(EVENT_OBJECT_HOSTEDOBJECTSINVALIDATED), |
| QUOTE(EVENT_OBJECT_DRAGSTART), |
| QUOTE(EVENT_OBJECT_DRAGCANCEL), |
| QUOTE(EVENT_OBJECT_DRAGCOMPLETE), |
| QUOTE(EVENT_OBJECT_DRAGENTER), |
| QUOTE(EVENT_OBJECT_DRAGLEAVE), |
| QUOTE(EVENT_OBJECT_DRAGDROPPED), |
| QUOTE(EVENT_SYSTEM_ALERT), |
| QUOTE(EVENT_SYSTEM_SCROLLINGSTART), |
| QUOTE(EVENT_SYSTEM_SCROLLINGEND), |
| QUOTE(IA2_EVENT_ACTION_CHANGED), |
| QUOTE(IA2_EVENT_ACTIVE_DESCENDANT_CHANGED), |
| QUOTE(IA2_EVENT_DOCUMENT_ATTRIBUTE_CHANGED), |
| QUOTE(IA2_EVENT_DOCUMENT_CONTENT_CHANGED), |
| QUOTE(IA2_EVENT_DOCUMENT_LOAD_COMPLETE), |
| QUOTE(IA2_EVENT_DOCUMENT_LOAD_STOPPED), |
| QUOTE(IA2_EVENT_DOCUMENT_RELOAD), |
| QUOTE(IA2_EVENT_HYPERLINK_END_INDEX_CHANGED), |
| QUOTE(IA2_EVENT_HYPERLINK_NUMBER_OF_ANCHORS_CHANGED), |
| QUOTE(IA2_EVENT_HYPERLINK_SELECTED_LINK_CHANGED), |
| QUOTE(IA2_EVENT_HYPERTEXT_LINK_ACTIVATED), |
| QUOTE(IA2_EVENT_HYPERTEXT_LINK_SELECTED), |
| QUOTE(IA2_EVENT_HYPERLINK_START_INDEX_CHANGED), |
| QUOTE(IA2_EVENT_HYPERTEXT_CHANGED), |
| QUOTE(IA2_EVENT_HYPERTEXT_NLINKS_CHANGED), |
| QUOTE(IA2_EVENT_OBJECT_ATTRIBUTE_CHANGED), |
| QUOTE(IA2_EVENT_PAGE_CHANGED), |
| QUOTE(IA2_EVENT_SECTION_CHANGED), |
| QUOTE(IA2_EVENT_TABLE_CAPTION_CHANGED), |
| QUOTE(IA2_EVENT_TABLE_COLUMN_DESCRIPTION_CHANGED), |
| QUOTE(IA2_EVENT_TABLE_COLUMN_HEADER_CHANGED), |
| QUOTE(IA2_EVENT_TABLE_MODEL_CHANGED), |
| QUOTE(IA2_EVENT_TABLE_ROW_DESCRIPTION_CHANGED), |
| QUOTE(IA2_EVENT_TABLE_ROW_HEADER_CHANGED), |
| QUOTE(IA2_EVENT_TABLE_SUMMARY_CHANGED), |
| QUOTE(IA2_EVENT_TEXT_ATTRIBUTE_CHANGED), |
| QUOTE(IA2_EVENT_TEXT_CARET_MOVED), |
| QUOTE(IA2_EVENT_TEXT_CHANGED), |
| QUOTE(IA2_EVENT_TEXT_COLUMN_CHANGED), |
| QUOTE(IA2_EVENT_TEXT_INSERTED), |
| QUOTE(IA2_EVENT_TEXT_REMOVED), |
| QUOTE(IA2_EVENT_TEXT_UPDATED), |
| QUOTE(IA2_EVENT_TEXT_SELECTION_CHANGED), |
| QUOTE(IA2_EVENT_VISIBLE_DATA_CHANGED), |
| }; |
| |
| return GetNameForPlatformConstant(event_table, base::size(event_table), |
| event); |
| } |
| |
| void IAccessibleStateToStringVector(int32_t ia_state, |
| std::vector<base::string16>* result) { |
| #define QUOTE_STATE(X) \ |
| { STATE_SYSTEM_##X, #X } |
| // MSAA / IAccessible states. Unlike roles, these are not also IA2 states. |
| // |
| // Note: for historical reasons these are in numerical order rather than |
| // alphabetical order. Changing the order would change the order in which |
| // the states are printed, which would affect a bunch of tests. |
| static const PlatformConstantToNameEntry ia_table[] = { |
| QUOTE_STATE(UNAVAILABLE), QUOTE_STATE(SELECTED), |
| QUOTE_STATE(FOCUSED), QUOTE_STATE(PRESSED), |
| QUOTE_STATE(CHECKED), QUOTE_STATE(MIXED), |
| QUOTE_STATE(READONLY), QUOTE_STATE(HOTTRACKED), |
| QUOTE_STATE(DEFAULT), QUOTE_STATE(EXPANDED), |
| QUOTE_STATE(COLLAPSED), QUOTE_STATE(BUSY), |
| QUOTE_STATE(FLOATING), QUOTE_STATE(MARQUEED), |
| QUOTE_STATE(ANIMATED), QUOTE_STATE(INVISIBLE), |
| QUOTE_STATE(OFFSCREEN), QUOTE_STATE(SIZEABLE), |
| QUOTE_STATE(MOVEABLE), QUOTE_STATE(SELFVOICING), |
| QUOTE_STATE(FOCUSABLE), QUOTE_STATE(SELECTABLE), |
| QUOTE_STATE(LINKED), QUOTE_STATE(TRAVERSED), |
| QUOTE_STATE(MULTISELECTABLE), QUOTE_STATE(EXTSELECTABLE), |
| QUOTE_STATE(ALERT_LOW), QUOTE_STATE(ALERT_MEDIUM), |
| QUOTE_STATE(ALERT_HIGH), QUOTE_STATE(PROTECTED), |
| QUOTE_STATE(HASPOPUP), |
| }; |
| for (auto& entry : ia_table) { |
| if (entry.value & ia_state) |
| result->push_back(base::ASCIIToUTF16(entry.name)); |
| } |
| } |
| |
| base::string16 IAccessibleStateToString(int32_t ia_state) { |
| std::vector<base::string16> strings; |
| IAccessibleStateToStringVector(ia_state, &strings); |
| return base::JoinString(strings, base::ASCIIToUTF16(",")); |
| } |
| |
| void IAccessible2StateToStringVector(int32_t ia2_state, |
| std::vector<base::string16>* result) { |
| // Note: for historical reasons these are in numerical order rather than |
| // alphabetical order. Changing the order would change the order in which |
| // the states are printed, which would affect a bunch of tests. |
| static const PlatformConstantToNameEntry ia2_table[] = { |
| QUOTE(IA2_STATE_ACTIVE), |
| QUOTE(IA2_STATE_ARMED), |
| QUOTE(IA2_STATE_CHECKABLE), |
| QUOTE(IA2_STATE_DEFUNCT), |
| QUOTE(IA2_STATE_EDITABLE), |
| QUOTE(IA2_STATE_HORIZONTAL), |
| QUOTE(IA2_STATE_ICONIFIED), |
| QUOTE(IA2_STATE_INVALID_ENTRY), |
| QUOTE(IA2_STATE_MANAGES_DESCENDANTS), |
| QUOTE(IA2_STATE_MODAL), |
| QUOTE(IA2_STATE_MULTI_LINE), |
| QUOTE(IA2_STATE_REQUIRED), |
| QUOTE(IA2_STATE_SELECTABLE_TEXT), |
| QUOTE(IA2_STATE_SINGLE_LINE), |
| QUOTE(IA2_STATE_STALE), |
| QUOTE(IA2_STATE_SUPPORTS_AUTOCOMPLETION), |
| QUOTE(IA2_STATE_TRANSIENT), |
| QUOTE(IA2_STATE_VERTICAL), |
| // Untested states include those that would be repeated on nearly |
| // every node or would vary based on window size. |
| // QUOTE(IA2_STATE_OPAQUE) // Untested. |
| }; |
| |
| for (auto& entry : ia2_table) { |
| if (entry.value & ia2_state) |
| result->push_back(base::ASCIIToUTF16(entry.name)); |
| } |
| } |
| |
| base::string16 IAccessible2StateToString(int32_t ia2_state) { |
| std::vector<base::string16> strings; |
| IAccessible2StateToStringVector(ia2_state, &strings); |
| return base::JoinString(strings, base::ASCIIToUTF16(",")); |
| } |
| |
| } // namespace content |
