void AccessibilityMenuListPopup::childrenChanged()
{
for (size_t i = m_children.size(); i > 0 ; --i) {
AccessibilityObject* child = m_children[i - 1].get();
if (child->actionElement() && !child->actionElement()->attached()) {
m_menuList->renderer()->document()->axObjectCache()->remove(child->axObjectID());
m_children.remove(i - 1);
}
}
}
void AccessibilityMenuListPopup::childrenChanged()
{
AXObjectCache* cache = axObjectCache();
for (size_t i = m_children.size(); i > 0 ; --i) {
AccessibilityObject* child = m_children[i - 1].get();
if (child->actionElement() && !child->actionElement()->inRenderedDocument()) {
child->detachFromParent();
cache->remove(child->axObjectID());
}
}
m_children.clear();
m_haveChildren = false;
addChildren();
}
static AtkAttributeSet* webkitAccessibleGetAttributes(AtkObject* object)
{
g_return_val_if_fail(WEBKIT_IS_ACCESSIBLE(object), 0);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(object), 0);
AtkAttributeSet* attributeSet = 0;
#if PLATFORM(GTK)
attributeSet = addToAtkAttributeSet(attributeSet, "toolkit", "WebKitGtk");
#elif PLATFORM(EFL)
attributeSet = addToAtkAttributeSet(attributeSet, "toolkit", "WebKitEfl");
#endif
AccessibilityObject* coreObject = core(object);
if (!coreObject)
return attributeSet;
// Hack needed for WebKit2 tests because obtaining an element by its ID
// cannot be done from the UIProcess. Assistive technologies have no need
// for this information.
Element* element = coreObject->element() ? coreObject->element() : coreObject->actionElement();
if (element) {
String id = element->getIdAttribute().string();
if (!id.isEmpty())
attributeSet = addToAtkAttributeSet(attributeSet, "html-id", id.utf8().data());
}
int headingLevel = coreObject->headingLevel();
if (headingLevel) {
String value = String::number(headingLevel);
attributeSet = addToAtkAttributeSet(attributeSet, "level", value.utf8().data());
}
if (coreObject->roleValue() == MathElementRole) {
if (coreObject->isMathMultiscriptObject(PreSuperscript) || coreObject->isMathMultiscriptObject(PreSubscript))
attributeSet = addToAtkAttributeSet(attributeSet, "multiscript-type", "pre");
else if (coreObject->isMathMultiscriptObject(PostSuperscript) || coreObject->isMathMultiscriptObject(PostSubscript))
attributeSet = addToAtkAttributeSet(attributeSet, "multiscript-type", "post");
}
// Set the 'layout-guess' attribute to help Assistive
// Technologies know when an exposed table is not data table.
if (is<AccessibilityTable>(*coreObject) && downcast<AccessibilityTable>(*coreObject).isExposableThroughAccessibility() && !coreObject->isDataTable())
attributeSet = addToAtkAttributeSet(attributeSet, "layout-guess", "true");
String placeholder = coreObject->placeholderValue();
if (!placeholder.isEmpty())
attributeSet = addToAtkAttributeSet(attributeSet, "placeholder-text", placeholder.utf8().data());
if (coreObject->ariaHasPopup())
attributeSet = addToAtkAttributeSet(attributeSet, "haspopup", "true");
AccessibilitySortDirection sortDirection = coreObject->sortDirection();
if (sortDirection != SortDirectionNone) {
// WAI-ARIA spec says to translate the value as is from the attribute.
const AtomicString& sortAttribute = coreObject->getAttribute(HTMLNames::aria_sortAttr);
attributeSet = addToAtkAttributeSet(attributeSet, "sort", sortAttribute.string().utf8().data());
}
if (coreObject->supportsARIAPosInSet())
attributeSet = addToAtkAttributeSet(attributeSet, "posinset", String::number(coreObject->ariaPosInSet()).utf8().data());
if (coreObject->supportsARIASetSize())
attributeSet = addToAtkAttributeSet(attributeSet, "setsize", String::number(coreObject->ariaSetSize()).utf8().data());
// Landmarks will be exposed with xml-roles object attributes, with the exception
// of LandmarkApplicationRole, which will be exposed with ATK_ROLE_EMBEDDED.
AccessibilityRole role = coreObject->roleValue();
switch (role) {
case LandmarkBannerRole:
attributeSet = addToAtkAttributeSet(attributeSet, "xml-roles", "banner");
break;
case LandmarkComplementaryRole:
attributeSet = addToAtkAttributeSet(attributeSet, "xml-roles", "complementary");
break;
case LandmarkContentInfoRole:
attributeSet = addToAtkAttributeSet(attributeSet, "xml-roles", "contentinfo");
break;
case LandmarkMainRole:
attributeSet = addToAtkAttributeSet(attributeSet, "xml-roles", "main");
break;
case LandmarkNavigationRole:
attributeSet = addToAtkAttributeSet(attributeSet, "xml-roles", "navigation");
break;
case LandmarkSearchRole:
attributeSet = addToAtkAttributeSet(attributeSet, "xml-roles", "search");
break;
default:
break;
}
return attributeSet;
}
static AtkAttributeSet* webkitAccessibleGetAttributes(AtkObject* object)
{
g_return_val_if_fail(WEBKIT_IS_ACCESSIBLE(object), 0);
returnValIfWebKitAccessibleIsInvalid(WEBKIT_ACCESSIBLE(object), 0);
AtkAttributeSet* attributeSet = nullptr;
#if PLATFORM(GTK)
attributeSet = addToAtkAttributeSet(attributeSet, "toolkit", "WebKitGtk");
#elif PLATFORM(EFL)
attributeSet = addToAtkAttributeSet(attributeSet, "toolkit", "WebKitEfl");
#endif
AccessibilityObject* coreObject = core(object);
if (!coreObject)
return attributeSet;
// Hack needed for WebKit2 tests because obtaining an element by its ID
// cannot be done from the UIProcess. Assistive technologies have no need
// for this information.
Element* element = coreObject->element() ? coreObject->element() : coreObject->actionElement();
if (element) {
String tagName = element->tagName();
if (!tagName.isEmpty())
attributeSet = addToAtkAttributeSet(attributeSet, "tag", tagName.lower().utf8().data());
String id = element->getIdAttribute().string();
if (!id.isEmpty())
attributeSet = addToAtkAttributeSet(attributeSet, "html-id", id.utf8().data());
}
int headingLevel = coreObject->headingLevel();
if (headingLevel) {
String value = String::number(headingLevel);
attributeSet = addToAtkAttributeSet(attributeSet, "level", value.utf8().data());
}
if (coreObject->roleValue() == MathElementRole) {
if (coreObject->isMathMultiscriptObject(PreSuperscript) || coreObject->isMathMultiscriptObject(PreSubscript))
attributeSet = addToAtkAttributeSet(attributeSet, "multiscript-type", "pre");
else if (coreObject->isMathMultiscriptObject(PostSuperscript) || coreObject->isMathMultiscriptObject(PostSubscript))
attributeSet = addToAtkAttributeSet(attributeSet, "multiscript-type", "post");
}
// Set the 'layout-guess' attribute to help Assistive
// Technologies know when an exposed table is not data table.
if (is<AccessibilityTable>(*coreObject) && downcast<AccessibilityTable>(*coreObject).isExposableThroughAccessibility() && !coreObject->isDataTable())
attributeSet = addToAtkAttributeSet(attributeSet, "layout-guess", "true");
String placeholder = coreObject->placeholderValue();
if (!placeholder.isEmpty())
attributeSet = addToAtkAttributeSet(attributeSet, "placeholder-text", placeholder.utf8().data());
if (coreObject->ariaHasPopup())
attributeSet = addToAtkAttributeSet(attributeSet, "haspopup", "true");
AccessibilitySortDirection sortDirection = coreObject->sortDirection();
if (sortDirection != SortDirectionNone) {
// WAI-ARIA spec says to translate the value as is from the attribute.
const AtomicString& sortAttribute = coreObject->getAttribute(HTMLNames::aria_sortAttr);
attributeSet = addToAtkAttributeSet(attributeSet, "sort", sortAttribute.string().utf8().data());
}
if (coreObject->supportsARIAPosInSet())
attributeSet = addToAtkAttributeSet(attributeSet, "posinset", String::number(coreObject->ariaPosInSet()).utf8().data());
if (coreObject->supportsARIASetSize())
attributeSet = addToAtkAttributeSet(attributeSet, "setsize", String::number(coreObject->ariaSetSize()).utf8().data());
// According to the W3C Core Accessibility API Mappings 1.1, section 5.4.1 General Rules:
// "User agents must expose the WAI-ARIA role string if the API supports a mechanism to do so."
// In the case of ATK, the mechanism to do so is an object attribute pair (xml-roles:"string").
// The computedRoleString is primarily for testing, and not limited to elements with ARIA roles.
// Because the computedRoleString currently contains the ARIA role string, we'll use it for
// both purposes, as the "computed-role" object attribute for all elements which have a value
// and also via the "xml-roles" attribute for elements with ARIA, as well as for landmarks.
String roleString = coreObject->computedRoleString();
if (!roleString.isEmpty()) {
if (coreObject->ariaRoleAttribute() != UnknownRole || coreObject->isLandmark())
attributeSet = addToAtkAttributeSet(attributeSet, "xml-roles", roleString.utf8().data());
attributeSet = addToAtkAttributeSet(attributeSet, "computed-role", roleString.utf8().data());
}
return attributeSet;
}