PassRefPtr<NodeList> ContainerNode::getElementsByTagName(const AtomicString& localName)
{
if (localName.isNull())
return 0;
if (document().isHTMLDocument())
return ensureRareData().ensureNodeLists().addCacheWithAtomicName<HTMLTagNodeList>(*this, localName);
return ensureRareData().ensureNodeLists().addCacheWithAtomicName<TagNodeList>(*this, localName);
}
PassRefPtr<NodeList> LabelableElement::labels()
{
if (!supportLabels())
return 0;
return ensureRareData().ensureNodeLists().addCacheWithAtomicName<LabelsNodeList>(*this, starAtom);
}
void EventTargetNode::addEventListener(const AtomicString& eventType, PassRefPtr<EventListener> listener, bool useCapture)
{
Document* document = this->document();
if (!document->attached())
return;
document->addListenerTypeIfNeeded(eventType);
RegisteredEventListenerVector& listeners = ensureRareData()->ensureListeners();
// Remove existing identical listener set with identical arguments.
// The DOM2 spec says that "duplicate instances are discarded" in this case.
removeEventListener(eventType, listener.get(), useCapture);
// adding the first one
if (listeners.isEmpty() && !inDocument())
document->registerDisconnectedNodeWithEventListeners(this);
listeners.append(RegisteredEventListener::create(eventType, listener, useCapture));
updateSVGElementInstancesAfterEventListenerChange(this);
#if ENABLE(TOUCH_EVENTS) // Android
if (eventType == eventNames().touchstartEvent ||
eventType == eventNames().touchendEvent ||
eventType == eventNames().touchmoveEvent ||
eventType == eventNames().touchcancelEvent)
document->addTouchEventListener(this);
#endif
}
PassRefPtr<NodeList> ContainerNode::getElementsByTagNameNS(const AtomicString& namespaceURI, const AtomicString& localName)
{
if (localName.isNull())
return 0;
if (namespaceURI == starAtom)
return getElementsByTagName(localName);
return ensureRareData().ensureNodeLists().addCacheWithQualifiedName(*this, namespaceURI.isEmpty() ? nullAtom : namespaceURI, localName);
}
ShadowRoot::ShadowRoot(Document* document)
: TreeScope(document)
{
ASSERT(document);
// Assume document as parent scope.
setParentTreeScope(document);
// Shadow tree scopes have the scope pointer point to themselves.
// This way, direct children will receive the correct scope pointer.
ensureRareData()->setTreeScope(this);
}
Path* LayoutSVGShape::nonScalingStrokePath(const Path* path, const AffineTransform& strokeTransform) const
{
LayoutSVGShapeRareData& rareData = ensureRareData();
if (!rareData.m_cachedNonScalingStrokePath.isEmpty() && strokeTransform == rareData.m_cachedNonScalingStrokeTransform)
return &rareData.m_cachedNonScalingStrokePath;
rareData.m_cachedNonScalingStrokePath = *path;
rareData.m_cachedNonScalingStrokePath.transform(strokeTransform);
rareData.m_cachedNonScalingStrokeTransform = strokeTransform;
return &rareData.m_cachedNonScalingStrokePath;
}
ShadowRoot::ShadowRoot(Document* document)
: DocumentFragment(document, CreateShadowRoot)
, TreeScope(this)
, m_prev(0)
, m_next(0)
, m_applyAuthorStyles(false)
, m_insertionPointAssignedTo(0)
{
ASSERT(document);
// Assume document as parent scope.
setParentTreeScope(document);
// Shadow tree scopes have the scope pointer point to themselves.
// This way, direct children will receive the correct scope pointer.
ensureRareData()->setTreeScope(this);
}
ShadowRoot::ShadowRoot(Document* document)
: DocumentFragment(document, CreateShadowRoot)
, TreeScope(this)
, m_prev(0)
, m_next(0)
, m_applyAuthorStyles(false)
, m_resetStyleInheritance(false)
, m_registeredWithParentShadowRoot(false)
, m_insertionPointAssignedTo(0)
, m_numberOfShadowElementChildren(0)
, m_numberOfContentElementChildren(0)
, m_numberOfElementShadowChildren(0)
, m_numberOfStyles(0)
{
ASSERT(document);
// Assume document as parent scope.
setParentTreeScope(document);
// Shadow tree scopes have the scope pointer point to themselves.
// This way, direct children will receive the correct scope pointer.
ensureRareData()->setTreeScope(this);
}
void Element::focus(bool restorePreviousSelection)
{
Document* doc = document();
if (doc->focusedNode() == this)
return;
doc->updateLayoutIgnorePendingStylesheets();
if (!supportsFocus())
return;
if (Page* page = doc->page())
page->focusController()->setFocusedNode(this, doc->frame());
if (!isFocusable()) {
ensureRareData()->setNeedsFocusAppearanceUpdateSoonAfterAttach(true);
return;
}
cancelFocusAppearanceUpdate();
updateFocusAppearance(restorePreviousSelection);
}
inline ElementRareData& Element::ensureElementRareData()
{
return static_cast<ElementRareData&>(ensureRareData());
}
PassRefPtr<RadioNodeList> ContainerNode::radioNodeList(const AtomicString& name)
{
ASSERT(hasTagName(HTMLNames::formTag) || hasTagName(HTMLNames::fieldsetTag));
return ensureRareData().ensureNodeLists().addCacheWithAtomicName<RadioNodeList>(*this, name);
}
PassRefPtr<NodeList> ContainerNode::getElementsByClassName(const AtomicString& classNames)
{
return ensureRareData().ensureNodeLists().addCacheWithAtomicName<ClassNodeList>(*this, classNames);
}
PassRefPtr<NodeList> ContainerNode::getElementsByName(const String& elementName)
{
return ensureRareData().ensureNodeLists().addCacheWithAtomicName<NameNodeList>(*this, elementName);
}
Ref<HTMLFormControlsCollection> HTMLFieldSetElement::elements()
{
return ensureRareData().ensureNodeLists().addCachedCollection<HTMLFormControlsCollection>(*this, FormControls);
}
