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 * * Neither the name of Google Inc. nor the names of its 11 * contributors may be used to endorse or promote products derived from 12 * this software without specific prior written permission. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 15 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 17 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 18 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 19 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 20 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef TemplateContentDocumentFragment_h 28 #define TemplateContentDocumentFragment_h 29 30 #include "core/dom/DocumentFragment.h" 31 32 namespace blink { 33 34 class TemplateContentDocumentFragment FINAL : public DocumentFragment { 35 public: 36 static PassRefPtrWillBeRawPtr<TemplateContentDocumentFragment> create(Document& document, Element* host) 37 { 38 return adoptRefWillBeNoop(new TemplateContentDocumentFragment(document, host)); 39 } 40 41 Element* host() const { return m_host; } 42 #if !ENABLE(OILPAN) 43 void clearHost() { m_host = nullptr; } 44 #endif 45 46 virtual void trace(Visitor* visitor) OVERRIDE 47 { 48 visitor->trace(m_host); 49 DocumentFragment::trace(visitor); 50 } 51 52 private: 53 TemplateContentDocumentFragment(Document& document, Element* host) 54 : DocumentFragment(&document, CreateDocumentFragment) 55 , m_host(host) 56 { 57 } 58 59 virtual bool isTemplateContent() const OVERRIDE { return true; } 60 61 RawPtrWillBeMember<Element> m_host; 62 }; 63 64 } // namespace blink 65 66 #endif // TemplateContentDocumentFragment_h 67