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/Document.h" 36#include "core/dom/DocumentFragment.h" 37#include "core/dom/TemplateContentDocumentFragment.h" 38 39namespace blink { 40 41using namespace HTMLNames; 42 43inline HTMLTemplateElement::HTMLTemplateElement(Document& document) 44 : HTMLElement(templateTag, document) 45{ 46} 47 48DEFINE_NODE_FACTORY(HTMLTemplateElement) 49 50HTMLTemplateElement::~HTMLTemplateElement() 51{ 52#if !ENABLE(OILPAN) 53 if (m_content) 54 m_content->clearHost(); 55#endif 56} 57 58DocumentFragment* HTMLTemplateElement::content() const 59{ 60 if (!m_content) 61 m_content = TemplateContentDocumentFragment::create(document().ensureTemplateDocument(), const_cast<HTMLTemplateElement*>(this)); 62 63 return m_content.get(); 64} 65 66PassRefPtrWillBeRawPtr<Node> HTMLTemplateElement::cloneNode(bool deep) 67{ 68 if (!deep) 69 return cloneElementWithoutChildren(); 70 71 RefPtrWillBeRawPtr<Node> clone = cloneElementWithChildren(); 72 if (m_content) 73 content()->cloneChildNodes(toHTMLTemplateElement(clone.get())->content()); 74 return clone.release(); 75} 76 77void HTMLTemplateElement::didMoveToNewDocument(Document& oldDocument) 78{ 79 HTMLElement::didMoveToNewDocument(oldDocument); 80 if (!m_content) 81 return; 82 document().ensureTemplateDocument().adoptIfNeeded(*m_content); 83} 84 85void HTMLTemplateElement::trace(Visitor* visitor) 86{ 87 visitor->trace(m_content); 88 HTMLElement::trace(visitor); 89} 90 91} // namespace blink 92