1/*
2 * Copyright (C) 2012, 2013 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#include "HTMLTemplateElement.h"
33
34#include "DocumentFragment.h"
35#include "TemplateContentDocumentFragment.h"
36#include "markup.h"
37#include <wtf/IsoMallocInlines.h>
38
39namespace WebCore {
40
41WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLTemplateElement);
42
43using namespace HTMLNames;
44
45inline HTMLTemplateElement::HTMLTemplateElement(const QualifiedName& tagName, Document& document)
46 : HTMLElement(tagName, document)
47{
48}
49
50HTMLTemplateElement::~HTMLTemplateElement()
51{
52 if (m_content)
53 m_content->clearHost();
54}
55
56Ref<HTMLTemplateElement> HTMLTemplateElement::create(const QualifiedName& tagName, Document& document)
57{
58 return adoptRef(*new HTMLTemplateElement(tagName, document));
59}
60
61DocumentFragment* HTMLTemplateElement::contentIfAvailable() const
62{
63 return m_content.get();
64}
65
66DocumentFragment& HTMLTemplateElement::content() const
67{
68 if (!m_content)
69 m_content = TemplateContentDocumentFragment::create(document().ensureTemplateDocument(), this);
70
71 return *m_content;
72}
73
74Ref<Node> HTMLTemplateElement::cloneNodeInternal(Document& targetDocument, CloningOperation type)
75{
76 RefPtr<Node> clone;
77 switch (type) {
78 case CloningOperation::OnlySelf:
79 return cloneElementWithoutChildren(targetDocument);
80 case CloningOperation::SelfWithTemplateContent:
81 clone = cloneElementWithoutChildren(targetDocument);
82 break;
83 case CloningOperation::Everything:
84 clone = cloneElementWithChildren(targetDocument);
85 break;
86 }
87 if (m_content)
88 content().cloneChildNodes(downcast<HTMLTemplateElement>(clone.get())->content());
89 return clone.releaseNonNull();
90}
91
92void HTMLTemplateElement::didMoveToNewDocument(Document& oldDocument, Document& newDocument)
93{
94 HTMLElement::didMoveToNewDocument(oldDocument, newDocument);
95 if (!m_content)
96 return;
97 ASSERT_WITH_SECURITY_IMPLICATION(&document() == &newDocument);
98 m_content->setTreeScopeRecursively(newDocument.ensureTemplateDocument());
99}
100
101} // namespace WebCore
102