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
HTMLTemplateElement(Document & document)42 inline HTMLTemplateElement::HTMLTemplateElement(Document& document)
43 : HTMLElement(templateTag, document)
44 {
45 ScriptWrappable::init(this);
46 }
47
~HTMLTemplateElement()48 HTMLTemplateElement::~HTMLTemplateElement()
49 {
50 if (m_content)
51 m_content->clearHost();
52 }
53
create(Document & document)54 PassRefPtr<HTMLTemplateElement> HTMLTemplateElement::create(Document& document)
55 {
56 return adoptRef(new HTMLTemplateElement(document));
57 }
58
content() const59 DocumentFragment* HTMLTemplateElement::content() const
60 {
61 if (!m_content)
62 m_content = TemplateContentDocumentFragment::create(document().ensureTemplateDocument(), const_cast<HTMLTemplateElement*>(this));
63
64 return m_content.get();
65 }
66
cloneNode(bool deep)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
didMoveToNewDocument(Document & oldDocument)78 void HTMLTemplateElement::didMoveToNewDocument(Document& oldDocument)
79 {
80 HTMLElement::didMoveToNewDocument(oldDocument);
81 if (!m_content)
82 return;
83 document().ensureTemplateDocument().adoptIfNeeded(*m_content);
84 }
85
86 } // namespace WebCore
87