1/* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 4 * (C) 2001 Dirk Mueller (mueller@kde.org) 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Library General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Library General Public License for more details. 16 * 17 * You should have received a copy of the GNU Library General Public License 18 * along with this library; see the file COPYING.LIB. If not, write to 19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 20 * Boston, MA 02110-1301, USA. 21 */ 22 23#include "config.h" 24#include "core/html/HTMLScriptElement.h" 25 26#include "bindings/core/v8/ExceptionStatePlaceholder.h" 27#include "bindings/core/v8/ScriptEventListener.h" 28#include "bindings/core/v8/V8DOMActivityLogger.h" 29#include "core/HTMLNames.h" 30#include "core/dom/Attribute.h" 31#include "core/dom/Document.h" 32#include "core/dom/ScriptLoader.h" 33#include "core/dom/ScriptRunner.h" 34#include "core/dom/Text.h" 35#include "core/events/Event.h" 36 37namespace blink { 38 39using namespace HTMLNames; 40 41inline HTMLScriptElement::HTMLScriptElement(Document& document, bool wasInsertedByParser, bool alreadyStarted) 42 : HTMLElement(scriptTag, document) 43 , m_loader(ScriptLoader::create(this, wasInsertedByParser, alreadyStarted)) 44{ 45} 46 47PassRefPtrWillBeRawPtr<HTMLScriptElement> HTMLScriptElement::create(Document& document, bool wasInsertedByParser, bool alreadyStarted) 48{ 49 return adoptRefWillBeNoop(new HTMLScriptElement(document, wasInsertedByParser, alreadyStarted)); 50} 51 52bool HTMLScriptElement::isURLAttribute(const Attribute& attribute) const 53{ 54 return attribute.name() == srcAttr || HTMLElement::isURLAttribute(attribute); 55} 56 57bool HTMLScriptElement::hasLegalLinkAttribute(const QualifiedName& name) const 58{ 59 return name == srcAttr || HTMLElement::hasLegalLinkAttribute(name); 60} 61 62const QualifiedName& HTMLScriptElement::subResourceAttributeName() const 63{ 64 return srcAttr; 65} 66 67void HTMLScriptElement::childrenChanged(const ChildrenChange& change) 68{ 69 HTMLElement::childrenChanged(change); 70 m_loader->childrenChanged(); 71} 72 73void HTMLScriptElement::didMoveToNewDocument(Document& oldDocument) 74{ 75 if (RefPtrWillBeRawPtr<Document> contextDocument = document().contextDocument().get()) 76 oldDocument.scriptRunner()->movePendingAsyncScript(contextDocument->scriptRunner(), m_loader.get()); 77 HTMLElement::didMoveToNewDocument(oldDocument); 78} 79 80void HTMLScriptElement::parseAttribute(const QualifiedName& name, const AtomicString& value) 81{ 82 if (name == srcAttr) 83 m_loader->handleSourceAttribute(value); 84 else if (name == asyncAttr) 85 m_loader->handleAsyncAttribute(); 86 else 87 HTMLElement::parseAttribute(name, value); 88} 89 90Node::InsertionNotificationRequest HTMLScriptElement::insertedInto(ContainerNode* insertionPoint) 91{ 92 if (insertionPoint->inDocument()) { 93 V8DOMActivityLogger* activityLogger = V8DOMActivityLogger::currentActivityLoggerIfIsolatedWorld(); 94 if (activityLogger) { 95 Vector<String> argv; 96 argv.append("script"); 97 argv.append(fastGetAttribute(srcAttr)); 98 activityLogger->logEvent("blinkAddElement", argv.size(), argv.data()); 99 } 100 } 101 HTMLElement::insertedInto(insertionPoint); 102 return InsertionShouldCallDidNotifySubtreeInsertions; 103} 104 105void HTMLScriptElement::didNotifySubtreeInsertionsToDocument() 106{ 107 m_loader->didNotifySubtreeInsertionsToDocument(); 108} 109 110void HTMLScriptElement::setText(const String &value) 111{ 112 RefPtrWillBeRawPtr<Node> protectFromMutationEvents(this); 113 114 if (hasOneTextChild()) { 115 toText(firstChild())->setData(value); 116 return; 117 } 118 119 removeChildren(); 120 appendChild(document().createTextNode(value.impl()), IGNORE_EXCEPTION); 121} 122 123void HTMLScriptElement::setAsync(bool async) 124{ 125 setBooleanAttribute(asyncAttr, async); 126 m_loader->handleAsyncAttribute(); 127} 128 129bool HTMLScriptElement::async() const 130{ 131 return fastHasAttribute(asyncAttr) || (m_loader->forceAsync()); 132} 133 134KURL HTMLScriptElement::src() const 135{ 136 return document().completeURL(sourceAttributeValue()); 137} 138 139String HTMLScriptElement::sourceAttributeValue() const 140{ 141 return getAttribute(srcAttr).string(); 142} 143 144String HTMLScriptElement::charsetAttributeValue() const 145{ 146 return getAttribute(charsetAttr).string(); 147} 148 149String HTMLScriptElement::typeAttributeValue() const 150{ 151 return getAttribute(typeAttr).string(); 152} 153 154String HTMLScriptElement::languageAttributeValue() const 155{ 156 return getAttribute(languageAttr).string(); 157} 158 159String HTMLScriptElement::forAttributeValue() const 160{ 161 return getAttribute(forAttr).string(); 162} 163 164String HTMLScriptElement::eventAttributeValue() const 165{ 166 return getAttribute(eventAttr).string(); 167} 168 169bool HTMLScriptElement::asyncAttributeValue() const 170{ 171 return fastHasAttribute(asyncAttr); 172} 173 174bool HTMLScriptElement::deferAttributeValue() const 175{ 176 return fastHasAttribute(deferAttr); 177} 178 179bool HTMLScriptElement::hasSourceAttribute() const 180{ 181 return fastHasAttribute(srcAttr); 182} 183 184void HTMLScriptElement::dispatchLoadEvent() 185{ 186 ASSERT(!m_loader->haveFiredLoadEvent()); 187 dispatchEvent(Event::create(EventTypeNames::load)); 188} 189 190PassRefPtrWillBeRawPtr<Element> HTMLScriptElement::cloneElementWithoutAttributesAndChildren() 191{ 192 return adoptRefWillBeNoop(new HTMLScriptElement(document(), false, m_loader->alreadyStarted())); 193} 194 195} 196