bool JSHTMLCollectionOwner::isReachableFromOpaqueRoots(JSC::Handle<JSC::Unknown> handle, void*, SlotVisitor& visitor)
{
JSHTMLCollection* jsHTMLCollection = static_cast<JSHTMLCollection*>(handle.get().asCell());
if (!isObservable(jsHTMLCollection))
return false;
void* root = WebCore::root(jsHTMLCollection->impl()->base());
return visitor.containsOpaqueRoot(root);
}
JSValue jsHTMLCollectionLength(ExecState* exec, JSValue slotBase, const Identifier&)
{
JSHTMLCollection* castedThis = static_cast<JSHTMLCollection*>(asObject(slotBase));
UNUSED_PARAM(exec);
HTMLCollection* imp = static_cast<HTMLCollection*>(castedThis->impl());
JSValue result = jsNumber(imp->length());
return result;
}
JSValue JSHTMLCollection::nameGetter(ExecState* exec, JSValue slotBase, PropertyName propertyName)
{
JSHTMLCollection* collection = jsCast<JSHTMLCollection*>(asObject(slotBase));
const AtomicString& name = propertyNameToAtomicString(propertyName);
HTMLCollection* impl = collection->impl();
#if ENABLE(MICRODATA)
if (impl->type() == ItemProperties)
return toJS(exec, collection->globalObject(), static_cast<HTMLPropertiesCollection*>(impl)->propertyNodeList(name));
#endif
return toJS(exec, collection->globalObject(), impl->namedItem(name));
}
JSValue JSC_HOST_CALL jsHTMLCollectionPrototypeFunctionTags(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
UNUSED_PARAM(args);
if (!thisValue.isObject(&JSHTMLCollection::s_info))
return throwError(exec, TypeError);
JSHTMLCollection* castedThisObj = static_cast<JSHTMLCollection*>(asObject(thisValue));
HTMLCollection* imp = static_cast<HTMLCollection*>(castedThisObj->impl());
const UString& name = args.at(0).toString(exec);
JSC::JSValue result = toJS(exec, WTF::getPtr(imp->tags(name)));
return result;
}
// HTMLCollections are strange objects, they support both get and call,
// so that document.forms.item(0) and document.forms(0) both work.
static EncodedJSValue JSC_HOST_CALL callHTMLCollection(ExecState* exec)
{
if (exec->argumentCount() < 1)
return JSValue::encode(jsUndefined());
// Do not use thisObj here. It can be the JSHTMLDocument, in the document.forms(i) case.
JSHTMLCollection* jsCollection = static_cast<JSHTMLCollection*>(exec->callee());
HTMLCollection* collection = jsCollection->impl();
// Also, do we need the TypeError test here ?
if (exec->argumentCount() == 1) {
// Support for document.all(<index>) etc.
bool ok;
UString string = exec->argument(0).toString(exec);
unsigned index = Identifier::toUInt32(string, ok);
if (ok)
return JSValue::encode(toJS(exec, jsCollection->globalObject(), collection->item(index)));
// Support for document.images('<name>') etc.
return JSValue::encode(getNamedItems(exec, jsCollection, Identifier(exec, string)));
}
// The second arg, if set, is the index of the item we want
bool ok;
UString string = exec->argument(0).toString(exec);
unsigned index = Identifier::toUInt32(exec->argument(1).toString(exec), ok);
if (ok) {
String pstr = ustringToString(string);
Node* node = collection->namedItem(pstr);
while (node) {
if (!index)
return JSValue::encode(toJS(exec, jsCollection->globalObject(), node));
node = collection->nextNamedItem(pstr);
--index;
}
}
return JSValue::encode(jsUndefined());
}
// HTMLCollections are strange objects, they support both get and call,
// so that document.forms.item(0) and document.forms(0) both work.
static JSValue JSC_HOST_CALL callHTMLCollection(ExecState* exec, JSObject* function, JSValue, const ArgList& args)
{
if (args.size() < 1)
return jsUndefined();
// Do not use thisObj here. It can be the JSHTMLDocument, in the document.forms(i) case.
JSHTMLCollection* jsCollection = static_cast<JSHTMLCollection*>(function);
HTMLCollection* collection = jsCollection->impl();
// Also, do we need the TypeError test here ?
if (args.size() == 1) {
// Support for document.all(<index>) etc.
bool ok;
UString string = args.at(0).toString(exec);
unsigned index = string.toUInt32(&ok, false);
if (ok)
return toJS(exec, jsCollection->globalObject(), collection->item(index));
// Support for document.images('<name>') etc.
return getNamedItems(exec, jsCollection, Identifier(exec, string));
}
// The second arg, if set, is the index of the item we want
bool ok;
UString string = args.at(0).toString(exec);
unsigned index = args.at(1).toString(exec).toUInt32(&ok, false);
if (ok) {
String pstr = string;
Node* node = collection->namedItem(pstr);
while (node) {
if (!index)
return toJS(exec, jsCollection->globalObject(), node);
node = collection->nextNamedItem(pstr);
--index;
}
}
return jsUndefined();
}
JSValue* JSHTMLCollection::nameGetter(ExecState* exec, const Identifier& propertyName, const PropertySlot& slot)
{
JSHTMLCollection* thisObj = static_cast<JSHTMLCollection*>(slot.slotBase());
return getNamedItems(exec, thisObj->impl(), propertyName);
}
void JSHTMLCollectionOwner::finalize(JSC::Handle<JSC::Unknown> handle, void* context)
{
JSHTMLCollection* jsHTMLCollection = static_cast<JSHTMLCollection*>(handle.get().asCell());
DOMWrapperWorld* world = static_cast<DOMWrapperWorld*>(context);
uncacheWrapper(world, jsHTMLCollection->impl(), jsHTMLCollection);
}
JSValue JSHTMLCollection::indexGetter(ExecState* exec, JSValue slotBase, unsigned index)
{
JSHTMLCollection* thisObj = static_cast<JSHTMLCollection*>(asObject(slotBase));
ASSERT_GC_OBJECT_INHERITS(thisObj, &s_info);
return toJS(exec, thisObj->globalObject(), static_cast<HTMLCollection*>(thisObj->impl())->item(index));
}
JSValue JSHTMLCollection::nameGetter(ExecState* exec, JSValue slotBase, PropertyName propertyName)
{
JSHTMLCollection* collection = jsCast<JSHTMLCollection*>(asObject(slotBase));
const AtomicString& name = propertyNameToAtomicString(propertyName);
return toJS(exec, collection->globalObject(), collection->impl()->namedItem(name));
}
JSValue JSHTMLCollection::indexGetter(ExecState* exec, const Identifier&, const PropertySlot& slot)
{
JSHTMLCollection* thisObj = static_cast<JSHTMLCollection*>(asObject(slot.slotBase()));
return toJS(exec, static_cast<HTMLCollection*>(thisObj->impl())->item(slot.index()));
}