1 /* 2 * Copyright (C) 2012 Google Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions are 6 * met: 7 * 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above 11 * copyright notice, this list of conditions and the following disclaimer 12 * in the documentation and/or other materials provided with the 13 * distribution. 14 * * Neither the name of Google Inc. nor the names of its 15 * contributors may be used to endorse or promote products derived from 16 * this software without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include "config.h" 32 33 #include "core/html/HTMLTemplateElement.h" 34 35 #include "core/dom/DocumentFragment.h" 36 #include "core/dom/TemplateContentDocumentFragment.h" 37 38 namespace WebCore { 39 40 using namespace HTMLNames; 41 42 inline HTMLTemplateElement::HTMLTemplateElement(const QualifiedName& tagName, Document* document) 43 : HTMLElement(tagName, document) 44 { 45 ScriptWrappable::init(this); 46 } 47 48 HTMLTemplateElement::~HTMLTemplateElement() 49 { 50 if (m_content) 51 m_content->clearHost(); 52 } 53 54 PassRefPtr<HTMLTemplateElement> HTMLTemplateElement::create(const QualifiedName& tagName, Document* document) 55 { 56 return adoptRef(new HTMLTemplateElement(tagName, document)); 57 } 58 59 DocumentFragment* HTMLTemplateElement::content() const 60 { 61 if (!m_content) 62 m_content = TemplateContentDocumentFragment::create(document()->ensureTemplateDocument(), this); 63 64 return m_content.get(); 65 } 66 67 PassRefPtr<Node> HTMLTemplateElement::cloneNode(bool deep) 68 { 69 if (!deep) 70 return cloneElementWithoutChildren(); 71 72 RefPtr<Node> clone = cloneElementWithChildren(); 73 if (m_content) 74 content()->cloneChildNodes(toHTMLTemplateElement(clone.get())->content()); 75 return clone.release(); 76 } 77 78 void HTMLTemplateElement::didMoveToNewDocument(Document* oldDocument) 79 { 80 HTMLElement::didMoveToNewDocument(oldDocument); 81 if (!m_content) 82 return; 83 document()->ensureTemplateDocument()->adoptIfNeeded(m_content.get()); 84 } 85 86 #ifndef NDEBUG 87 const HTMLTemplateElement* toHTMLTemplateElement(const Node* node) 88 { 89 ASSERT_WITH_SECURITY_IMPLICATION(!node || (node->isHTMLElement() && node->hasTagName(templateTag))); 90 return static_cast<const HTMLTemplateElement*>(node); 91 } 92 #endif 93 94 } // namespace WebCore 95