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Unified Diff: content/renderer/accessibility_node_serializer.cc

Issue 12226061: Move renderer accessibility to subdir and add OWNERS (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 7 years, 10 months ago
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Index: content/renderer/accessibility_node_serializer.cc
diff --git a/content/renderer/accessibility_node_serializer.cc b/content/renderer/accessibility_node_serializer.cc
deleted file mode 100644
index c457c3c2f17d5e60f12d4c053b54c6de1b9e660d..0000000000000000000000000000000000000000
--- a/content/renderer/accessibility_node_serializer.cc
+++ /dev/null
@@ -1,629 +0,0 @@
-// 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/renderer/accessibility_node_serializer.h"
-
-#include <set>
-
-#include "base/string_number_conversions.h"
-#include "base/string_util.h"
-#include "base/utf_string_conversions.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebRect.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebSize.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebString.h"
-#include "third_party/WebKit/Source/Platform/chromium/public/WebVector.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebAccessibilityObject.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebAccessibilityRole.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocument.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebDocumentType.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebElement.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebFormControlElement.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebInputElement.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebNode.h"
-
-using WebKit::WebAccessibilityRole;
-using WebKit::WebAccessibilityObject;
-using WebKit::WebDocument;
-using WebKit::WebDocumentType;
-using WebKit::WebElement;
-using WebKit::WebNode;
-using WebKit::WebVector;
-
-namespace content {
-namespace {
-
-// Returns true if |ancestor| is the first unignored parent of |child|,
-// which means that when walking up the parent chain from |child|,
-// |ancestor| is the *first* ancestor that isn't marked as
-// accessibilityIsIgnored().
-bool IsParentUnignoredOf(const WebAccessibilityObject& ancestor,
- const WebAccessibilityObject& child) {
- WebAccessibilityObject parent = child.parentObject();
- while (!parent.isDetached() && parent.accessibilityIsIgnored())
- parent = parent.parentObject();
- return parent.equals(ancestor);
-}
-
-// Provides a conversion between the WebKit::WebAccessibilityRole and a role
-// supported on the Browser side. Listed alphabetically by the
-// WebKit::WebAccessibilityRole (except for default role).
-AccessibilityNodeData::Role ConvertRole(WebKit::WebAccessibilityRole role) {
- switch (role) {
- case WebKit::WebAccessibilityRoleAnnotation:
- return AccessibilityNodeData::ROLE_ANNOTATION;
- case WebKit::WebAccessibilityRoleApplication:
- return AccessibilityNodeData::ROLE_APPLICATION;
- case WebKit::WebAccessibilityRoleApplicationAlert:
- return AccessibilityNodeData::ROLE_ALERT;
- case WebKit::WebAccessibilityRoleApplicationAlertDialog:
- return AccessibilityNodeData::ROLE_ALERT_DIALOG;
- case WebKit::WebAccessibilityRoleApplicationDialog:
- return AccessibilityNodeData::ROLE_DIALOG;
- case WebKit::WebAccessibilityRoleApplicationLog:
- return AccessibilityNodeData::ROLE_LOG;
- case WebKit::WebAccessibilityRoleApplicationMarquee:
- return AccessibilityNodeData::ROLE_MARQUEE;
- case WebKit::WebAccessibilityRoleApplicationStatus:
- return AccessibilityNodeData::ROLE_STATUS;
- case WebKit::WebAccessibilityRoleApplicationTimer:
- return AccessibilityNodeData::ROLE_TIMER;
- case WebKit::WebAccessibilityRoleBrowser:
- return AccessibilityNodeData::ROLE_BROWSER;
- case WebKit::WebAccessibilityRoleBusyIndicator:
- return AccessibilityNodeData::ROLE_BUSY_INDICATOR;
- case WebKit::WebAccessibilityRoleButton:
- return AccessibilityNodeData::ROLE_BUTTON;
- case WebKit::WebAccessibilityRoleCanvas:
- return AccessibilityNodeData::ROLE_CANVAS;
- case WebKit::WebAccessibilityRoleCell:
- return AccessibilityNodeData::ROLE_CELL;
- case WebKit::WebAccessibilityRoleCheckBox:
- return AccessibilityNodeData::ROLE_CHECKBOX;
- case WebKit::WebAccessibilityRoleColorWell:
- return AccessibilityNodeData::ROLE_COLOR_WELL;
- case WebKit::WebAccessibilityRoleColumn:
- return AccessibilityNodeData::ROLE_COLUMN;
- case WebKit::WebAccessibilityRoleColumnHeader:
- return AccessibilityNodeData::ROLE_COLUMN_HEADER;
- case WebKit::WebAccessibilityRoleComboBox:
- return AccessibilityNodeData::ROLE_COMBO_BOX;
- case WebKit::WebAccessibilityRoleDirectory:
- return AccessibilityNodeData::ROLE_DIRECTORY;
- case WebKit::WebAccessibilityRoleDisclosureTriangle:
- return AccessibilityNodeData::ROLE_DISCLOSURE_TRIANGLE;
- case WebKit::WebAccessibilityRoleDiv:
- return AccessibilityNodeData::ROLE_DIV;
- case WebKit::WebAccessibilityRoleDocument:
- return AccessibilityNodeData::ROLE_DOCUMENT;
- case WebKit::WebAccessibilityRoleDocumentArticle:
- return AccessibilityNodeData::ROLE_ARTICLE;
- case WebKit::WebAccessibilityRoleDocumentMath:
- return AccessibilityNodeData::ROLE_MATH;
- case WebKit::WebAccessibilityRoleDocumentNote:
- return AccessibilityNodeData::ROLE_NOTE;
- case WebKit::WebAccessibilityRoleDocumentRegion:
- return AccessibilityNodeData::ROLE_REGION;
- case WebKit::WebAccessibilityRoleDrawer:
- return AccessibilityNodeData::ROLE_DRAWER;
- case WebKit::WebAccessibilityRoleEditableText:
- return AccessibilityNodeData::ROLE_EDITABLE_TEXT;
- case WebKit::WebAccessibilityRoleFooter:
- return AccessibilityNodeData::ROLE_FOOTER;
- case WebKit::WebAccessibilityRoleForm:
- return AccessibilityNodeData::ROLE_FORM;
- case WebKit::WebAccessibilityRoleGrid:
- return AccessibilityNodeData::ROLE_GRID;
- case WebKit::WebAccessibilityRoleGroup:
- return AccessibilityNodeData::ROLE_GROUP;
- case WebKit::WebAccessibilityRoleGrowArea:
- return AccessibilityNodeData::ROLE_GROW_AREA;
- case WebKit::WebAccessibilityRoleHeading:
- return AccessibilityNodeData::ROLE_HEADING;
- case WebKit::WebAccessibilityRoleHelpTag:
- return AccessibilityNodeData::ROLE_HELP_TAG;
- case WebKit::WebAccessibilityRoleHorizontalRule:
- return AccessibilityNodeData::ROLE_HORIZONTAL_RULE;
- case WebKit::WebAccessibilityRoleIgnored:
- return AccessibilityNodeData::ROLE_IGNORED;
- case WebKit::WebAccessibilityRoleImage:
- return AccessibilityNodeData::ROLE_IMAGE;
- case WebKit::WebAccessibilityRoleImageMap:
- return AccessibilityNodeData::ROLE_IMAGE_MAP;
- case WebKit::WebAccessibilityRoleImageMapLink:
- return AccessibilityNodeData::ROLE_IMAGE_MAP_LINK;
- case WebKit::WebAccessibilityRoleIncrementor:
- return AccessibilityNodeData::ROLE_INCREMENTOR;
- case WebKit::WebAccessibilityRoleLabel:
- return AccessibilityNodeData::ROLE_LABEL;
- case WebKit::WebAccessibilityRoleLandmarkApplication:
- return AccessibilityNodeData::ROLE_LANDMARK_APPLICATION;
- case WebKit::WebAccessibilityRoleLandmarkBanner:
- return AccessibilityNodeData::ROLE_LANDMARK_BANNER;
- case WebKit::WebAccessibilityRoleLandmarkComplementary:
- return AccessibilityNodeData::ROLE_LANDMARK_COMPLEMENTARY;
- case WebKit::WebAccessibilityRoleLandmarkContentInfo:
- return AccessibilityNodeData::ROLE_LANDMARK_CONTENTINFO;
- case WebKit::WebAccessibilityRoleLandmarkMain:
- return AccessibilityNodeData::ROLE_LANDMARK_MAIN;
- case WebKit::WebAccessibilityRoleLandmarkNavigation:
- return AccessibilityNodeData::ROLE_LANDMARK_NAVIGATION;
- case WebKit::WebAccessibilityRoleLandmarkSearch:
- return AccessibilityNodeData::ROLE_LANDMARK_SEARCH;
- case WebKit::WebAccessibilityRoleLink:
- return AccessibilityNodeData::ROLE_LINK;
- case WebKit::WebAccessibilityRoleList:
- return AccessibilityNodeData::ROLE_LIST;
- case WebKit::WebAccessibilityRoleListBox:
- return AccessibilityNodeData::ROLE_LISTBOX;
- case WebKit::WebAccessibilityRoleListBoxOption:
- return AccessibilityNodeData::ROLE_LISTBOX_OPTION;
- case WebKit::WebAccessibilityRoleListItem:
- return AccessibilityNodeData::ROLE_LIST_ITEM;
- case WebKit::WebAccessibilityRoleListMarker:
- return AccessibilityNodeData::ROLE_LIST_MARKER;
- case WebKit::WebAccessibilityRoleMatte:
- return AccessibilityNodeData::ROLE_MATTE;
- case WebKit::WebAccessibilityRoleMenu:
- return AccessibilityNodeData::ROLE_MENU;
- case WebKit::WebAccessibilityRoleMenuBar:
- return AccessibilityNodeData::ROLE_MENU_BAR;
- case WebKit::WebAccessibilityRoleMenuButton:
- return AccessibilityNodeData::ROLE_MENU_BUTTON;
- case WebKit::WebAccessibilityRoleMenuItem:
- return AccessibilityNodeData::ROLE_MENU_ITEM;
- case WebKit::WebAccessibilityRoleMenuListOption:
- return AccessibilityNodeData::ROLE_MENU_LIST_OPTION;
- case WebKit::WebAccessibilityRoleMenuListPopup:
- return AccessibilityNodeData::ROLE_MENU_LIST_POPUP;
- case WebKit::WebAccessibilityRoleOutline:
- return AccessibilityNodeData::ROLE_OUTLINE;
- case WebKit::WebAccessibilityRoleParagraph:
- return AccessibilityNodeData::ROLE_PARAGRAPH;
- case WebKit::WebAccessibilityRolePopUpButton:
- return AccessibilityNodeData::ROLE_POPUP_BUTTON;
- case WebKit::WebAccessibilityRolePresentational:
- return AccessibilityNodeData::ROLE_PRESENTATIONAL;
- case WebKit::WebAccessibilityRoleProgressIndicator:
- return AccessibilityNodeData::ROLE_PROGRESS_INDICATOR;
- case WebKit::WebAccessibilityRoleRadioButton:
- return AccessibilityNodeData::ROLE_RADIO_BUTTON;
- case WebKit::WebAccessibilityRoleRadioGroup:
- return AccessibilityNodeData::ROLE_RADIO_GROUP;
- case WebKit::WebAccessibilityRoleRow:
- return AccessibilityNodeData::ROLE_ROW;
- case WebKit::WebAccessibilityRoleRowHeader:
- return AccessibilityNodeData::ROLE_ROW_HEADER;
- case WebKit::WebAccessibilityRoleRuler:
- return AccessibilityNodeData::ROLE_RULER;
- case WebKit::WebAccessibilityRoleRulerMarker:
- return AccessibilityNodeData::ROLE_RULER_MARKER;
- case WebKit::WebAccessibilityRoleScrollArea:
- return AccessibilityNodeData::ROLE_SCROLLAREA;
- case WebKit::WebAccessibilityRoleScrollBar:
- return AccessibilityNodeData::ROLE_SCROLLBAR;
- case WebKit::WebAccessibilityRoleSheet:
- return AccessibilityNodeData::ROLE_SHEET;
- case WebKit::WebAccessibilityRoleSlider:
- return AccessibilityNodeData::ROLE_SLIDER;
- case WebKit::WebAccessibilityRoleSliderThumb:
- return AccessibilityNodeData::ROLE_SLIDER_THUMB;
- case WebKit::WebAccessibilityRoleSpinButton:
- return AccessibilityNodeData::ROLE_SPIN_BUTTON;
- case WebKit::WebAccessibilityRoleSpinButtonPart:
- return AccessibilityNodeData::ROLE_SPIN_BUTTON_PART;
- case WebKit::WebAccessibilityRoleSplitGroup:
- return AccessibilityNodeData::ROLE_SPLIT_GROUP;
- case WebKit::WebAccessibilityRoleSplitter:
- return AccessibilityNodeData::ROLE_SPLITTER;
- case WebKit::WebAccessibilityRoleStaticText:
- return AccessibilityNodeData::ROLE_STATIC_TEXT;
- case WebKit::WebAccessibilityRoleSVGRoot:
- return AccessibilityNodeData::ROLE_SVG_ROOT;
- case WebKit::WebAccessibilityRoleSystemWide:
- return AccessibilityNodeData::ROLE_SYSTEM_WIDE;
- case WebKit::WebAccessibilityRoleTab:
- return AccessibilityNodeData::ROLE_TAB;
- case WebKit::WebAccessibilityRoleTabGroup:
- return AccessibilityNodeData::ROLE_TAB_GROUP_UNUSED;
- case WebKit::WebAccessibilityRoleTabList:
- return AccessibilityNodeData::ROLE_TAB_LIST;
- case WebKit::WebAccessibilityRoleTabPanel:
- return AccessibilityNodeData::ROLE_TAB_PANEL;
- case WebKit::WebAccessibilityRoleTable:
- return AccessibilityNodeData::ROLE_TABLE;
- case WebKit::WebAccessibilityRoleTableHeaderContainer:
- return AccessibilityNodeData::ROLE_TABLE_HEADER_CONTAINER;
- case WebKit::WebAccessibilityRoleTextArea:
- return AccessibilityNodeData::ROLE_TEXTAREA;
- case WebKit::WebAccessibilityRoleTextField:
- return AccessibilityNodeData::ROLE_TEXT_FIELD;
- case WebKit::WebAccessibilityRoleToggleButton:
- return AccessibilityNodeData::ROLE_TOGGLE_BUTTON;
- case WebKit::WebAccessibilityRoleToolbar:
- return AccessibilityNodeData::ROLE_TOOLBAR;
- case WebKit::WebAccessibilityRoleTreeGrid:
- return AccessibilityNodeData::ROLE_TREE_GRID;
- case WebKit::WebAccessibilityRoleTreeItemRole:
- return AccessibilityNodeData::ROLE_TREE_ITEM;
- case WebKit::WebAccessibilityRoleTreeRole:
- return AccessibilityNodeData::ROLE_TREE;
- case WebKit::WebAccessibilityRoleUserInterfaceTooltip:
- return AccessibilityNodeData::ROLE_TOOLTIP;
- case WebKit::WebAccessibilityRoleValueIndicator:
- return AccessibilityNodeData::ROLE_VALUE_INDICATOR;
- case WebKit::WebAccessibilityRoleWebArea:
- return AccessibilityNodeData::ROLE_WEB_AREA;
- case WebKit::WebAccessibilityRoleWebCoreLink:
- return AccessibilityNodeData::ROLE_WEBCORE_LINK;
- case WebKit::WebAccessibilityRoleWindow:
- return AccessibilityNodeData::ROLE_WINDOW;
-
- default:
- return AccessibilityNodeData::ROLE_UNKNOWN;
- }
-}
-
-// Provides a conversion between the WebAccessibilityObject state
-// accessors and a state bitmask that can be serialized and sent to the
-// Browser process. Rare state are sent as boolean attributes instead.
-uint32 ConvertState(const WebAccessibilityObject& o) {
- uint32 state = 0;
- if (o.isChecked())
- state |= (1 << AccessibilityNodeData::STATE_CHECKED);
-
- if (o.isCollapsed())
- state |= (1 << AccessibilityNodeData::STATE_COLLAPSED);
-
- if (o.canSetFocusAttribute())
- state |= (1 << AccessibilityNodeData::STATE_FOCUSABLE);
-
- if (o.isFocused())
- state |= (1 << AccessibilityNodeData::STATE_FOCUSED);
-
- if (o.roleValue() == WebKit::WebAccessibilityRolePopUpButton ||
- o.ariaHasPopup()) {
- state |= (1 << AccessibilityNodeData::STATE_HASPOPUP);
- if (!o.isCollapsed())
- state |= (1 << AccessibilityNodeData::STATE_EXPANDED);
- }
-
- if (o.isHovered())
- state |= (1 << AccessibilityNodeData::STATE_HOTTRACKED);
-
- if (o.isIndeterminate())
- state |= (1 << AccessibilityNodeData::STATE_INDETERMINATE);
-
- if (!o.isVisible())
- state |= (1 << AccessibilityNodeData::STATE_INVISIBLE);
-
- if (o.isLinked())
- state |= (1 << AccessibilityNodeData::STATE_LINKED);
-
- if (o.isMultiSelectable())
- state |= (1 << AccessibilityNodeData::STATE_MULTISELECTABLE);
-
- if (o.isOffScreen())
- state |= (1 << AccessibilityNodeData::STATE_OFFSCREEN);
-
- if (o.isPressed())
- state |= (1 << AccessibilityNodeData::STATE_PRESSED);
-
- if (o.isPasswordField())
- state |= (1 << AccessibilityNodeData::STATE_PROTECTED);
-
- if (o.isReadOnly())
- state |= (1 << AccessibilityNodeData::STATE_READONLY);
-
- if (o.isRequired())
- state |= (1 << AccessibilityNodeData::STATE_REQUIRED);
-
- if (o.canSetSelectedAttribute())
- state |= (1 << AccessibilityNodeData::STATE_SELECTABLE);
-
- if (o.isSelected())
- state |= (1 << AccessibilityNodeData::STATE_SELECTED);
-
- if (o.isVisited())
- state |= (1 << AccessibilityNodeData::STATE_TRAVERSED);
-
- if (!o.isEnabled())
- state |= (1 << AccessibilityNodeData::STATE_UNAVAILABLE);
-
- if (o.isVertical())
- state |= (1 << AccessibilityNodeData::STATE_VERTICAL);
-
- if (o.isVisited())
- state |= (1 << AccessibilityNodeData::STATE_VISITED);
-
- return state;
-}
-
-} // Anonymous namespace
-
-void SerializeAccessibilityNode(
- const WebAccessibilityObject& src,
- AccessibilityNodeData* dst,
- bool include_children) {
- dst->name = src.title();
- dst->role = ConvertRole(src.roleValue());
- dst->state = ConvertState(src);
- dst->location = src.boundingBoxRect();
- dst->id = src.axID();
-
- if (src.valueDescription().length())
- dst->value = src.valueDescription();
- else
- dst->value = src.stringValue();
-
- if (dst->role == AccessibilityNodeData::ROLE_COLOR_WELL) {
- int r, g, b;
- src.colorValue(r, g, b);
- dst->int_attributes[dst->ATTR_COLOR_VALUE_RED] = r;
- dst->int_attributes[dst->ATTR_COLOR_VALUE_GREEN] = g;
- dst->int_attributes[dst->ATTR_COLOR_VALUE_BLUE] = b;
- }
-
- if (src.accessKey().length())
- dst->string_attributes[dst->ATTR_ACCESS_KEY] = src.accessKey();
- if (src.actionVerb().length())
- dst->string_attributes[dst->ATTR_ACTION] = src.actionVerb();
- if (src.isAriaReadOnly())
- dst->bool_attributes[dst->ATTR_ARIA_READONLY] = true;
- if (src.isButtonStateMixed())
- dst->bool_attributes[dst->ATTR_BUTTON_MIXED] = true;
- if (src.canSetValueAttribute())
- dst->bool_attributes[dst->ATTR_CAN_SET_VALUE] = true;
- if (src.accessibilityDescription().length())
- dst->string_attributes[dst->ATTR_DESCRIPTION] =
- src.accessibilityDescription();
- if (src.hasComputedStyle())
- dst->string_attributes[dst->ATTR_DISPLAY] = src.computedStyleDisplay();
- if (src.helpText().length())
- dst->string_attributes[dst->ATTR_HELP] = src.helpText();
- if (src.keyboardShortcut().length())
- dst->string_attributes[dst->ATTR_SHORTCUT] = src.keyboardShortcut();
- if (!src.titleUIElement().isDetached()) {
- dst->int_attributes[dst->ATTR_TITLE_UI_ELEMENT] =
- src.titleUIElement().axID();
- }
- if (!src.url().isEmpty())
- dst->string_attributes[dst->ATTR_URL] = src.url().spec().utf16();
-
- if (dst->role == dst->ROLE_HEADING)
- dst->int_attributes[dst->ATTR_HIERARCHICAL_LEVEL] = src.headingLevel();
- else if ((dst->role == dst->ROLE_TREE_ITEM || dst->role == dst->ROLE_ROW) &&
- src.hierarchicalLevel() > 0) {
- dst->int_attributes[dst->ATTR_HIERARCHICAL_LEVEL] = src.hierarchicalLevel();
- }
-
- if (dst->role == dst->ROLE_SLIDER)
- include_children = false;
-
- // Treat the active list box item as focused.
- if (dst->role == dst->ROLE_LISTBOX_OPTION && src.isSelectedOptionActive())
- dst->state |= (1 << AccessibilityNodeData::STATE_FOCUSED);
-
- if (src.canvasHasFallbackContent())
- dst->role = AccessibilityNodeData::ROLE_CANVAS_WITH_FALLBACK_CONTENT;
-
- WebNode node = src.node();
- bool is_iframe = false;
-
- if (!node.isNull() && node.isElementNode()) {
- WebElement element = node.to<WebElement>();
- is_iframe = (element.tagName() == ASCIIToUTF16("IFRAME"));
-
- if (LowerCaseEqualsASCII(element.getAttribute("aria-expanded"), "true"))
- dst->state |= (1 << AccessibilityNodeData::STATE_EXPANDED);
-
- // TODO(ctguil): The tagName in WebKit is lower cased but
- // HTMLElement::nodeName calls localNameUpper. Consider adding
- // a WebElement method that returns the original lower cased tagName.
- dst->string_attributes[dst->ATTR_HTML_TAG] =
- StringToLowerASCII(string16(element.tagName()));
- for (unsigned i = 0; i < element.attributeCount(); ++i) {
- string16 name = StringToLowerASCII(string16(
- element.attributeLocalName(i)));
- string16 value = element.attributeValue(i);
- dst->html_attributes.push_back(
- std::pair<string16, string16>(name, value));
- }
-
- if (dst->role == dst->ROLE_EDITABLE_TEXT ||
- dst->role == dst->ROLE_TEXTAREA ||
- dst->role == dst->ROLE_TEXT_FIELD) {
- // Jaws gets confused by children of text fields, so we ignore them.
- include_children = false;
-
- dst->int_attributes[dst->ATTR_TEXT_SEL_START] = src.selectionStart();
- dst->int_attributes[dst->ATTR_TEXT_SEL_END] = src.selectionEnd();
-
- WebVector<int> src_line_breaks;
- src.lineBreaks(src_line_breaks);
- dst->line_breaks.reserve(src_line_breaks.size());
- for (size_t i = 0; i < src_line_breaks.size(); ++i)
- dst->line_breaks.push_back(src_line_breaks[i]);
- }
-
- // ARIA role.
- if (element.hasAttribute("role")) {
- dst->string_attributes[dst->ATTR_ROLE] = element.getAttribute("role");
- }
-
- // Live region attributes
- if (element.hasAttribute("aria-atomic")) {
- dst->bool_attributes[dst->ATTR_LIVE_ATOMIC] =
- LowerCaseEqualsASCII(element.getAttribute("aria-atomic"), "true");
- }
- if (element.hasAttribute("aria-busy")) {
- dst->bool_attributes[dst->ATTR_LIVE_BUSY] =
- LowerCaseEqualsASCII(element.getAttribute("aria-busy"), "true");
- }
- if (element.hasAttribute("aria-live")) {
- dst->string_attributes[dst->ATTR_LIVE_STATUS] =
- element.getAttribute("aria-live");
- }
- if (element.hasAttribute("aria-relevant")) {
- dst->string_attributes[dst->ATTR_LIVE_RELEVANT] =
- element.getAttribute("aria-relevant");
- }
- }
-
- // Walk up the parent chain to set live region attributes of containers
-
- WebAccessibilityObject container_accessible = src;
- while (!container_accessible.isDetached()) {
- WebNode container_node = container_accessible.node();
- if (!container_node.isNull() && container_node.isElementNode()) {
- WebElement container_elem =
- container_node.to<WebElement>();
- if (container_elem.hasAttribute("aria-atomic") &&
- dst->bool_attributes.find(dst->ATTR_CONTAINER_LIVE_ATOMIC) ==
- dst->bool_attributes.end()) {
- dst->bool_attributes[dst->ATTR_CONTAINER_LIVE_ATOMIC] =
- LowerCaseEqualsASCII(container_elem.getAttribute("aria-atomic"),
- "true");
- }
- if (container_elem.hasAttribute("aria-busy") &&
- dst->bool_attributes.find(dst->ATTR_CONTAINER_LIVE_BUSY) ==
- dst->bool_attributes.end()) {
- dst->bool_attributes[dst->ATTR_CONTAINER_LIVE_BUSY] =
- LowerCaseEqualsASCII(container_elem.getAttribute("aria-busy"),
- "true");
- }
- if (container_elem.hasAttribute("aria-live") &&
- dst->string_attributes.find(dst->ATTR_CONTAINER_LIVE_STATUS) ==
- dst->string_attributes.end()) {
- dst->string_attributes[dst->ATTR_CONTAINER_LIVE_STATUS] =
- container_elem.getAttribute("aria-live");
- }
- if (container_elem.hasAttribute("aria-relevant") &&
- dst->string_attributes.find(dst->ATTR_CONTAINER_LIVE_RELEVANT) ==
- dst->string_attributes.end()) {
- dst->string_attributes[dst->ATTR_CONTAINER_LIVE_RELEVANT] =
- container_elem.getAttribute("aria-relevant");
- }
- }
- container_accessible = container_accessible.parentObject();
- }
-
- if (dst->role == dst->ROLE_PROGRESS_INDICATOR ||
- dst->role == dst->ROLE_SCROLLBAR ||
- dst->role == dst->ROLE_SLIDER ||
- dst->role == dst->ROLE_SPIN_BUTTON) {
- dst->float_attributes[dst->ATTR_VALUE_FOR_RANGE] = src.valueForRange();
- dst->float_attributes[dst->ATTR_MAX_VALUE_FOR_RANGE] =
- src.maxValueForRange();
- dst->float_attributes[dst->ATTR_MIN_VALUE_FOR_RANGE] =
- src.minValueForRange();
- }
-
- if (dst->role == dst->ROLE_DOCUMENT ||
- dst->role == dst->ROLE_WEB_AREA) {
- const WebDocument& document = src.document();
- if (dst->name.empty())
- dst->name = document.title();
- dst->string_attributes[dst->ATTR_DOC_TITLE] = document.title();
- dst->string_attributes[dst->ATTR_DOC_URL] = document.url().spec().utf16();
- dst->string_attributes[dst->ATTR_DOC_MIMETYPE] =
- ASCIIToUTF16(document.isXHTMLDocument() ? "text/xhtml" : "text/html");
- dst->bool_attributes[dst->ATTR_DOC_LOADED] = src.isLoaded();
- dst->float_attributes[dst->ATTR_DOC_LOADING_PROGRESS] =
- src.estimatedLoadingProgress();
-
- const WebDocumentType& doctype = document.doctype();
- if (!doctype.isNull())
- dst->string_attributes[dst->ATTR_DOC_DOCTYPE] = doctype.name();
-
- const gfx::Size& scroll_offset = document.frame()->scrollOffset();
- dst->int_attributes[dst->ATTR_SCROLL_X] = scroll_offset.width();
- dst->int_attributes[dst->ATTR_SCROLL_Y] = scroll_offset.height();
-
- const gfx::Size& min_offset = document.frame()->minimumScrollOffset();
- dst->int_attributes[dst->ATTR_SCROLL_X_MIN] = min_offset.width();
- dst->int_attributes[dst->ATTR_SCROLL_Y_MIN] = min_offset.height();
-
- const gfx::Size& max_offset = document.frame()->maximumScrollOffset();
- dst->int_attributes[dst->ATTR_SCROLL_X_MAX] = max_offset.width();
- dst->int_attributes[dst->ATTR_SCROLL_Y_MAX] = max_offset.height();
- }
-
- if (dst->role == dst->ROLE_TABLE) {
- int column_count = src.columnCount();
- int row_count = src.rowCount();
- if (column_count > 0 && row_count > 0) {
- std::set<int> unique_cell_id_set;
- dst->int_attributes[dst->ATTR_TABLE_COLUMN_COUNT] = column_count;
- dst->int_attributes[dst->ATTR_TABLE_ROW_COUNT] = row_count;
- for (int i = 0; i < column_count * row_count; ++i) {
- WebAccessibilityObject cell = src.cellForColumnAndRow(
- i % column_count, i / column_count);
- int cell_id = -1;
- if (!cell.isDetached()) {
- cell_id = cell.axID();
- if (unique_cell_id_set.find(cell_id) == unique_cell_id_set.end()) {
- unique_cell_id_set.insert(cell_id);
- dst->unique_cell_ids.push_back(cell_id);
- }
- }
- dst->cell_ids.push_back(cell_id);
- }
- }
- }
-
- if (dst->role == dst->ROLE_CELL ||
- dst->role == dst->ROLE_ROW_HEADER ||
- dst->role == dst->ROLE_COLUMN_HEADER) {
- dst->int_attributes[dst->ATTR_TABLE_CELL_COLUMN_INDEX] =
- src.cellColumnIndex();
- dst->int_attributes[dst->ATTR_TABLE_CELL_COLUMN_SPAN] =
- src.cellColumnSpan();
- dst->int_attributes[dst->ATTR_TABLE_CELL_ROW_INDEX] = src.cellRowIndex();
- dst->int_attributes[dst->ATTR_TABLE_CELL_ROW_SPAN] = src.cellRowSpan();
- }
-
- if (include_children) {
- // Recursively create children.
- int child_count = src.childCount();
- std::set<int32> child_ids;
- for (int i = 0; i < child_count; ++i) {
- WebAccessibilityObject child = src.childAt(i);
- int32 child_id = child.axID();
-
- // The child may be invalid due to issues in webkit accessibility code.
- // Don't add children that are invalid thus preventing a crash.
- // https://bugs.webkit.org/show_bug.cgi?id=44149
- // TODO(ctguil): We may want to remove this check as webkit stabilizes.
- if (child.isDetached())
- continue;
-
- // Children may duplicated in the webkit accessibility tree. Only add a
- // child once for the web accessibility tree.
- // https://bugs.webkit.org/show_bug.cgi?id=58930
- if (child_ids.find(child_id) != child_ids.end())
- continue;
- child_ids.insert(child_id);
-
- // Some nodes appear in the tree in more than one place: for example,
- // a cell in a table appears as a child of both a row and a column.
- // Only recursively add child nodes that have this node as its
- // unignored parent. For child nodes that are actually parented to
- // somethinng else, store only the ID.
- //
- // As an exception, also add children of an iframe element.
- // https://bugs.webkit.org/show_bug.cgi?id=57066
- if (is_iframe || IsParentUnignoredOf(src, child)) {
- dst->children.push_back(AccessibilityNodeData());
- SerializeAccessibilityNode(child,
- &dst->children.back(),
- include_children);
- } else {
- dst->indirect_child_ids.push_back(child_id);
- }
- }
- }
-}
-
-} // namespace content
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