#include "config.h"
#include "JSNode.h"
#include "Attr.h"
#include "CachedImage.h"
#include "CachedScript.h"
#include "CDATASection.h"
#include "Comment.h"
#include "Document.h"
#include "DocumentFragment.h"
#include "DocumentType.h"
#include "Entity.h"
#include "EntityReference.h"
#include "ExceptionCode.h"
#include "HTMLAudioElement.h"
#include "HTMLCanvasElement.h"
#include "HTMLElement.h"
#include "HTMLFrameElementBase.h"
#include "HTMLImageElement.h"
#include "HTMLLinkElement.h"
#include "HTMLNames.h"
#include "HTMLScriptElement.h"
#include "HTMLStyleElement.h"
#include "JSAttr.h"
#include "JSCDATASection.h"
#include "JSComment.h"
#include "JSDOMBinding.h"
#include "JSDocument.h"
#include "JSDocumentFragment.h"
#include "JSDocumentType.h"
#include "JSEntity.h"
#include "JSEntityReference.h"
#include "JSEventListener.h"
#include "JSHTMLElement.h"
#include "JSHTMLElementWrapperFactory.h"
#include "JSNotation.h"
#include "JSProcessingInstruction.h"
#include "JSText.h"
#include "Node.h"
#include "Notation.h"
#include "ProcessingInstruction.h"
#include "RegisteredEventListener.h"
#include "ShadowRoot.h"
#include "StyleSheet.h"
#include "StyledElement.h"
#include "Text.h"
#include <wtf/PassRefPtr.h>
#include <wtf/RefPtr.h>
#if ENABLE(SVG)
#include "JSSVGElementWrapperFactory.h"
#include "SVGElement.h"
#endif
using namespace JSC;
namespace WebCore {
using namespace HTMLNames;
static inline bool isObservable(JSNode* jsNode, Node* node)
{
if (!node->parentNode())
return true;
if (jsNode->hasCustomProperties())
return true;
if (node->hasEventListeners())
return true;
return false;
}
static inline bool isReachableFromDOM(JSNode* jsNode, Node* node, SlotVisitor& visitor)
{
if (!node->inDocument()) {
if (node->hasTagName(imgTag)) {
if (static_cast<HTMLImageElement*>(node)->hasPendingActivity())
return true;
}
#if ENABLE(VIDEO)
else if (node->hasTagName(audioTag)) {
if (!static_cast<HTMLAudioElement*>(node)->paused())
return true;
}
#endif
if (node->isFiringEventListeners())
return true;
}
return isObservable(jsNode, node) && visitor.containsOpaqueRoot(root(node));
}
bool JSNodeOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
{
JSNode* jsNode = static_cast<JSNode*>(handle.get().asCell());
return isReachableFromDOM(jsNode, jsNode->impl(), visitor);
}
void JSNodeOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
JSNode* jsNode = static_cast<JSNode*>(handle.get().asCell());
DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
uncacheWrapper(world, jsNode->impl(), jsNode);
}
JSValue JSNode::insertBefore(ExecState* exec)
{
Node* imp = static_cast<Node*>(impl());
ExceptionCode ec = 0;
bool ok = imp->insertBefore(toNode(exec->argument(0)), toNode(exec->argument(1)), ec, true);
setDOMException(exec, ec);
if (ok)
return exec->argument(0);
return jsNull();
}
JSValue JSNode::replaceChild(ExecState* exec)
{
Node* imp = static_cast<Node*>(impl());
ExceptionCode ec = 0;
bool ok = imp->replaceChild(toNode(exec->argument(0)), toNode(exec->argument(1)), ec, true);
setDOMException(exec, ec);
if (ok)
return exec->argument(1);
return jsNull();
}
JSValue JSNode::removeChild(ExecState* exec)
{
Node* imp = static_cast<Node*>(impl());
ExceptionCode ec = 0;
bool ok = imp->removeChild(toNode(exec->argument(0)), ec);
setDOMException(exec, ec);
if (ok)
return exec->argument(0);
return jsNull();
}
JSValue JSNode::appendChild(ExecState* exec)
{
Node* imp = static_cast<Node*>(impl());
ExceptionCode ec = 0;
bool ok = imp->appendChild(toNode(exec->argument(0)), ec, true);
setDOMException(exec, ec);
if (ok)
return exec->argument(0);
return jsNull();
}
ScopeChainNode* JSNode::pushEventHandlerScope(ExecState*, ScopeChainNode* node) const
{
return node;
}
void JSNode::visitChildren(SlotVisitor& visitor)
{
ASSERT_GC_OBJECT_INHERITS(this, &s_info);
COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
ASSERT(structure()->typeInfo().overridesVisitChildren());
Base::visitChildren(visitor);
Node* node = m_impl.get();
node->visitJSEventListeners(visitor);
visitor.addOpaqueRoot(root(node));
}
static ALWAYS_INLINE JSValue createWrapperInline(ExecState* exec, JSDOMGlobalObject* globalObject, Node* node)
{
ASSERT(node);
ASSERT(!getCachedWrapper(currentWorld(exec), node));
JSDOMWrapper* wrapper;
switch (node->nodeType()) {
case Node::ELEMENT_NODE:
if (node->isHTMLElement())
wrapper = createJSHTMLWrapper(exec, globalObject, toHTMLElement(node));
#if ENABLE(SVG)
else if (node->isSVGElement())
wrapper = createJSSVGWrapper(exec, globalObject, static_cast<SVGElement*>(node));
#endif
else
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Element, node);
break;
case Node::ATTRIBUTE_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Attr, node);
break;
case Node::TEXT_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Text, node);
break;
case Node::CDATA_SECTION_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, CDATASection, node);
break;
case Node::ENTITY_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Entity, node);
break;
case Node::PROCESSING_INSTRUCTION_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, ProcessingInstruction, node);
break;
case Node::COMMENT_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Comment, node);
break;
case Node::DOCUMENT_NODE:
return toJS(exec, globalObject, static_cast<Document*>(node));
case Node::DOCUMENT_TYPE_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, DocumentType, node);
break;
case Node::NOTATION_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Notation, node);
break;
case Node::DOCUMENT_FRAGMENT_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, DocumentFragment, node);
break;
case Node::SHADOW_ROOT_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Node, node);
break;
case Node::ENTITY_REFERENCE_NODE:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, EntityReference, node);
break;
default:
wrapper = CREATE_DOM_WRAPPER(exec, globalObject, Node, node);
}
return wrapper;
}
JSValue createWrapper(ExecState* exec, JSDOMGlobalObject* globalObject, Node* node)
{
return createWrapperInline(exec, globalObject, node);
}
JSValue toJSNewlyCreated(ExecState* exec, JSDOMGlobalObject* globalObject, Node* node)
{
if (!node)
return jsNull();
return createWrapperInline(exec, globalObject, node);
}
}