void Element::formatForDebugger(char* buffer, unsigned length) const
{
StringBuilder result;
String s;
result.append(nodeName());
s = getIdAttribute();
if (s.length() > 0) {
if (result.length() > 0)
result.appendLiteral("; ");
result.appendLiteral("id=");
result.append(s);
}
s = getAttribute(HTMLNames::classAttr);
if (s.length() > 0) {
if (result.length() > 0)
result.appendLiteral("; ");
result.appendLiteral("class=");
result.append(s);
}
strncpy(buffer, result.toString().utf8().data(), length - 1);
}
void SVGElement::buildPendingResourcesIfNeeded()
{
Document& document = this->document();
if (!needsPendingResourceHandling() || !inDocument() || inUseShadowTree())
return;
SVGDocumentExtensions& extensions = document.accessSVGExtensions();
AtomicString resourceId = getIdAttribute();
if (!extensions.hasPendingResource(resourceId))
return;
// Mark pending resources as pending for removal.
extensions.markPendingResourcesForRemoval(resourceId);
// Rebuild pending resources for each client of a pending resource that is being removed.
while (Element* clientElement = extensions.removeElementFromPendingResourcesForRemoval(resourceId)) {
ASSERT(clientElement->hasPendingResources());
if (clientElement->hasPendingResources()) {
// FIXME: Ideally we'd always resolve pending resources async instead of inside
// insertedInto and svgAttributeChanged. For now we only do it for <use> since
// that would stamp out DOM.
if (isSVGUseElement(clientElement))
toSVGUseElement(clientElement)->invalidateShadowTree();
else
clientElement->buildPendingResource();
extensions.clearHasPendingResourcesIfPossible(clientElement);
}
}
}
void Element::cloneAttributesFromElement(const Element& other)
{
other.synchronizeAllAttributes();
if (!other.m_elementData) {
m_elementData.clear();
return;
}
const AtomicString& oldID = getIdAttribute();
const AtomicString& newID = other.getIdAttribute();
if (!oldID.isNull() || !newID.isNull())
updateId(oldID, newID);
// If 'other' has a mutable ElementData, convert it to an immutable one so we can share it between both elements.
// We can only do this if there are no presentation attributes and sharing the data won't result in different case sensitivity of class or id.
if (other.m_elementData->isUnique())
const_cast<Element&>(other).m_elementData = toUniqueElementData(other.m_elementData)->makeShareableCopy();
if (!other.m_elementData->isUnique())
m_elementData = other.m_elementData;
else
m_elementData = other.m_elementData->makeUniqueCopy();
AttributeCollection attributes = m_elementData->attributes();
AttributeCollection::iterator end = attributes.end();
for (AttributeCollection::iterator it = attributes.begin(); it != end; ++it)
attributeChangedFromParserOrByCloning(it->name(), it->value(), ModifiedByCloning);
}
void Element::removedFrom(ContainerNode* insertionPoint)
{
if (insertionPoint->isInTreeScope() && treeScope() == document()) {
const AtomicString& idValue = getIdAttribute();
if (!idValue.isNull())
updateId(insertionPoint->treeScope(), idValue, nullAtom);
}
ContainerNode::removedFrom(insertionPoint);
}
void Element::insertedInto(ContainerNode* insertionPoint)
{
// need to do superclass processing first so inDocument() is true
// by the time we reach updateId
ContainerNode::insertedInto(insertionPoint);
if (!insertionPoint->isInTreeScope())
return;
TreeScope& scope = insertionPoint->treeScope();
if (scope != treeScope())
return;
const AtomicString& idValue = getIdAttribute();
if (!idValue.isNull())
updateId(scope, nullAtom, idValue);
}
void SVGElement::buildPendingResourcesIfNeeded()
{
Document& document = this->document();
if (!needsPendingResourceHandling() || !inDocument() || isInShadowTree())
return;
SVGDocumentExtensions& extensions = document.accessSVGExtensions();
AtomicString resourceId = getIdAttribute();
if (!extensions.hasPendingResource(resourceId))
return;
// Mark pending resources as pending for removal.
extensions.markPendingResourcesForRemoval(resourceId);
// Rebuild pending resources for each client of a pending resource that is being removed.
while (Element* clientElement = extensions.removeElementFromPendingResourcesForRemoval(resourceId)) {
ASSERT(clientElement->hasPendingResources());
if (clientElement->hasPendingResources()) {
clientElement->buildPendingResource();
extensions.clearHasPendingResourcesIfPossible(clientElement);
}
}
}
void HTMLDataListElement::optionElementChildrenChanged()
{
treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
}
void HTMLDataListElement::finishParsingChildren()
{
treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
}
void HTMLDataListElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
{
HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
if (!changedByParser)
treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
}
const AtomicString& HTMLParamElement::name() const
{
if (hasName())
return getNameAttribute();
return document().isHTMLDocument() ? emptyAtom : getIdAttribute();
}
void HTMLDataListElement::childrenChanged(const ChildrenChange& change)
{
HTMLElement::childrenChanged(change);
if (!change.byParser)
treeScope().idTargetObserverRegistry().notifyObservers(getIdAttribute());
}