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
33#if ENABLE(TEMPLATE_ELEMENT)
34
35#include "HTMLTemplateElement.h"
36
37#include "DOMImplementation.h"
38#include "DocumentFragment.h"
39#include "HTMLDocument.h"
40#include "TemplateContentDocumentFragment.h"
41#include "markup.h"
42
43namespace WebCore {
44
45using namespace HTMLNames;
46
47inline HTMLTemplateElement::HTMLTemplateElement(const QualifiedName& tagName, Document& document)
48    : HTMLElement(tagName, document)
49{
50}
51
52HTMLTemplateElement::~HTMLTemplateElement()
53{
54    if (m_content)
55        m_content->clearHost();
56}
57
58PassRefPtr<HTMLTemplateElement> HTMLTemplateElement::create(const QualifiedName& tagName, Document& document)
59{
60    return adoptRef(new HTMLTemplateElement(tagName, document));
61}
62
63DocumentFragment* HTMLTemplateElement::content() const
64{
65    if (!m_content)
66        m_content = TemplateContentDocumentFragment::create(*document().ensureTemplateDocument(), this);
67
68    return m_content.get();
69}
70
71PassRefPtr<Node> HTMLTemplateElement::cloneNode(bool deep)
72{
73    if (!deep)
74        return cloneElementWithoutChildren();
75
76    RefPtr<Node> clone = cloneElementWithChildren();
77    if (m_content)
78        content()->cloneChildNodes(toHTMLTemplateElement(clone.get())->content());
79    return clone.release();
80}
81
82void HTMLTemplateElement::didMoveToNewDocument(Document* oldDocument)
83{
84    HTMLElement::didMoveToNewDocument(oldDocument);
85    if (!m_content)
86        return;
87    document().ensureTemplateDocument()->adoptIfNeeded(m_content.get());
88}
89
90} // namespace WebCore
91
92#endif // ENABLE(TEMPLATE_ELEMENT)
93