1926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)/* 2926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * Copyright (C) 2012 Google Inc. All rights reserved. 3926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * 4926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * Redistribution and use in source and binary forms, with or without 5926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * modification, are permitted provided that the following conditions 6926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * are met: 7926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * 8926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * 1. Redistributions of source code must retain the above copyright 9926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * notice, this list of conditions and the following disclaimer. 10926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * 2. Redistributions in binary form must reproduce the above copyright 11926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * notice, this list of conditions and the following disclaimer 12926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * in the documentation and/or other materials provided with the 13926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * distribution. 14926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * 3. Neither the name of Google Inc. nor the names of its contributors 15926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * may be used to endorse or promote products derived from this 16926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * software without specific prior written permission. 17926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * 18926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) */ 30926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 31926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)#include "config.h" 3253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/dom/CustomElementRegistry.h" 33926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 34926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)#include "HTMLNames.h" 3593ac45cfc74041c8ae536ce58a9534d46db2024eTorne (Richard Coles)#include "SVGNames.h" 36591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch#include "bindings/v8/CustomElementConstructorBuilder.h" 37df95704c49daea886ddad70775bda23618d6274dBen Murdoch#include "bindings/v8/ExceptionState.h" 381fad5ca6c42d689812b66fc493992aa6d747a6fbBen Murdoch#include "core/dom/CustomElement.h" 3953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)#include "core/dom/CustomElementDefinition.h" 40e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "core/dom/CustomElementRegistrationContext.h" 41e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch#include "core/dom/DocumentLifecycleObserver.h" 42df95704c49daea886ddad70775bda23618d6274dBen Murdoch#include "core/dom/ExceptionCode.h" 43926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 44926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)namespace WebCore { 45926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 46e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdochclass RegistrationContextObserver : public DocumentLifecycleObserver { 47e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdochpublic: 48e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch explicit RegistrationContextObserver(Document* document) 49e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch : DocumentLifecycleObserver(document) 50e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch , m_wentAway(!document) 51e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch { 52926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 53926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 54e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch bool registrationContextWentAway() { return m_wentAway; } 55926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 56e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdochprivate: 57e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch virtual void documentWasDisposed() OVERRIDE { m_wentAway = true; } 58e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 59e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch bool m_wentAway; 60e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch}; 61926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 621d908aaf9a915cb09f88ba5e77f066e863660bdcTorne (Richard Coles)CustomElementDefinition* CustomElementRegistry::registerElement(Document* document, CustomElementConstructorBuilder* constructorBuilder, const AtomicString& userSuppliedName, CustomElement::NameSet validNames, ExceptionState& es) 63926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles){ 64e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // FIXME: In every instance except one it is the 65e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // CustomElementConstructorBuilder that observes document 66e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // destruction during registration. This responsibility should be 67e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch // consolidated in one place. 68e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch RegistrationContextObserver observer(document); 69926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 701d908aaf9a915cb09f88ba5e77f066e863660bdcTorne (Richard Coles) AtomicString type = userSuppliedName.lower(); 711d908aaf9a915cb09f88ba5e77f066e863660bdcTorne (Richard Coles) 72fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdoch if (!constructorBuilder->isFeatureAllowed()) { 73df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(NotSupportedError); 74e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return 0; 75fff8884795cb540f87cf6e6d67b629519b00eb8bBen Murdoch } 76926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 771d908aaf9a915cb09f88ba5e77f066e863660bdcTorne (Richard Coles) if (!CustomElement::isValidName(type, validNames)) { 78df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(InvalidCharacterError); 79e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return 0; 80926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 81926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 82591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch if (!constructorBuilder->validateOptions()) { 83df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(InvalidStateError); 84e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return 0; 85926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 86926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 87591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch QualifiedName tagName = nullQName(); 88591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch if (!constructorBuilder->findTagName(type, tagName)) { 89df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(NamespaceError); 90e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return 0; 91926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 92591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch ASSERT(tagName.namespaceURI() == HTMLNames::xhtmlNamespaceURI || tagName.namespaceURI() == SVGNames::svgNamespaceURI); 93926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 94e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch if (m_registeredTypeNames.contains(type)) { 95df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(InvalidStateError); 96e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return 0; 97926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 9853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) 99e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch ASSERT(!observer.registrationContextWentAway()); 100e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch 10102772c6a72f1ee0b226341a4f4439970c29fc861Ben Murdoch RefPtr<CustomElementLifecycleCallbacks> lifecycleCallbacks = constructorBuilder->createCallbacks(); 10253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) 103591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch // Consulting the constructor builder could execute script and 104591b958dee2cf159d33a0b931e6231072eaf38d5Ben Murdoch // kill the document. 105e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch if (observer.registrationContextWentAway()) { 106df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(InvalidStateError); 107926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) return 0; 10853e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) } 10953e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) 110e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch const CustomElementDescriptor descriptor(type, tagName.namespaceURI(), tagName.localName()); 111e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch RefPtr<CustomElementDefinition> definition = CustomElementDefinition::create(descriptor, lifecycleCallbacks); 112926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 113e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch if (!constructorBuilder->createConstructor(document, definition.get())) { 114df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(NotSupportedError); 11553e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) return 0; 116926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) } 117926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 118e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch m_definitions.add(descriptor, definition); 119e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch m_registeredTypeNames.add(descriptor.type()); 120926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 121e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch if (!constructorBuilder->didRegisterDefinition(definition.get())) { 122df95704c49daea886ddad70775bda23618d6274dBen Murdoch es.throwDOMException(NotSupportedError); 123e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return 0; 12453e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) } 125926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 126e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return definition.get(); 127926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles)} 128926b001d589ce2f10facb93dd4b87578ea35a855Torne (Richard Coles) 129e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben MurdochCustomElementDefinition* CustomElementRegistry::find(const CustomElementDescriptor& descriptor) const 13053e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles){ 131e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch return m_definitions.get(descriptor); 13253e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles)} 13353e740f4a82e17f3ae59772501622dc354e42336Torne (Richard Coles) 134e69819bd8e388ea4ad1636a19aa6b2eed4952191Ben Murdoch} // namespace WebCore 135