/* * Copyright (C) 2015, 2016 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "CustomElementRegistry.h" #include "CustomElementReactionQueue.h" #include "DOMWindow.h" #include "Document.h" #include "Element.h" #include "ElementTraversal.h" #include "JSCustomElementInterface.h" #include "MathMLNames.h" #include "QualifiedName.h" #include "ShadowRoot.h" #include #include namespace WebCore { Ref CustomElementRegistry::create(DOMWindow& window) { return adoptRef(*new CustomElementRegistry(window)); } CustomElementRegistry::CustomElementRegistry(DOMWindow& window) : m_window(window) { } CustomElementRegistry::~CustomElementRegistry() { } // https://dom.spec.whatwg.org/#concept-shadow-including-tree-order static void enqueueUpgradeInShadowIncludingTreeOrder(ContainerNode& node, JSCustomElementInterface& elementInterface) { for (Element* element = ElementTraversal::firstWithin(node); element; element = ElementTraversal::next(*element)) { if (element->isCustomElementUpgradeCandidate() && element->tagQName() == elementInterface.name()) element->enqueueToUpgrade(elementInterface); if (auto* shadowRoot = element->shadowRoot()) { if (shadowRoot->mode() != ShadowRootMode::UserAgent) enqueueUpgradeInShadowIncludingTreeOrder(*shadowRoot, elementInterface); } } } void CustomElementRegistry::addElementDefinition(Ref&& elementInterface) { AtomicString localName = elementInterface->name().localName(); ASSERT(!m_nameMap.contains(localName)); m_constructorMap.add(elementInterface->constructor(), elementInterface.ptr()); m_nameMap.add(localName, elementInterface.copyRef()); if (auto* document = m_window.document()) enqueueUpgradeInShadowIncludingTreeOrder(*document, elementInterface.get()); if (auto promise = m_promiseMap.take(localName)) promise.value()->resolve(); } JSCustomElementInterface* CustomElementRegistry::findInterface(const Element& element) const { return findInterface(element.tagQName()); } JSCustomElementInterface* CustomElementRegistry::findInterface(const QualifiedName& name) const { if (name.namespaceURI() != HTMLNames::xhtmlNamespaceURI) return nullptr; return m_nameMap.get(name.localName()); } JSCustomElementInterface* CustomElementRegistry::findInterface(const AtomicString& name) const { return m_nameMap.get(name); } JSCustomElementInterface* CustomElementRegistry::findInterface(const JSC::JSObject* constructor) const { return m_constructorMap.get(constructor); } bool CustomElementRegistry::containsConstructor(const JSC::JSObject* constructor) const { return m_constructorMap.contains(constructor); } JSC::JSValue CustomElementRegistry::get(const AtomicString& name) { if (auto* elementInterface = m_nameMap.get(name)) return elementInterface->constructor(); return JSC::jsUndefined(); } }