1/*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2008, 2009, 2010 Apple Inc. All rights reserved.
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
16 *
17 * You should have received a copy of the GNU Library General Public License
18 * along with this library; see the file COPYING.LIB. If not, write to
19 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 * Boston, MA 02110-1301, USA.
21 */
22
23#include "config.h"
24#include "HTMLBaseElement.h"
25
26#include "Document.h"
27#include "HTMLNames.h"
28#include "HTMLParserIdioms.h"
29#include "TextResourceDecoder.h"
30#include <wtf/IsoMallocInlines.h>
31
32namespace WebCore {
33
34WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLBaseElement);
35
36using namespace HTMLNames;
37
38inline HTMLBaseElement::HTMLBaseElement(const QualifiedName& tagName, Document& document)
39 : HTMLElement(tagName, document)
40{
41 ASSERT(hasTagName(baseTag));
42}
43
44Ref<HTMLBaseElement> HTMLBaseElement::create(const QualifiedName& tagName, Document& document)
45{
46 return adoptRef(*new HTMLBaseElement(tagName, document));
47}
48
49void HTMLBaseElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
50{
51 if (name == hrefAttr || name == targetAttr)
52 document().processBaseElement();
53 else
54 HTMLElement::parseAttribute(name, value);
55}
56
57Node::InsertedIntoAncestorResult HTMLBaseElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
58{
59 HTMLElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
60 if (insertionType.connectedToDocument)
61 document().processBaseElement();
62 return InsertedIntoAncestorResult::Done;
63}
64
65void HTMLBaseElement::removedFromAncestor(RemovalType removalType, ContainerNode& oldParentOfRemovedTree)
66{
67 HTMLElement::removedFromAncestor(removalType, oldParentOfRemovedTree);
68 if (removalType.disconnectedFromDocument)
69 document().processBaseElement();
70}
71
72bool HTMLBaseElement::isURLAttribute(const Attribute& attribute) const
73{
74 return attribute.name().localName() == hrefAttr || HTMLElement::isURLAttribute(attribute);
75}
76
77String HTMLBaseElement::target() const
78{
79 return attributeWithoutSynchronization(targetAttr);
80}
81
82URL HTMLBaseElement::href() const
83{
84 // This does not use the getURLAttribute function because that will resolve relative to the document's base URL;
85 // base elements like this one can be used to set that base URL. Thus we need to resolve relative to the document's
86 // URL and ignore the base URL.
87
88 const AtomicString& attributeValue = attributeWithoutSynchronization(hrefAttr);
89 if (attributeValue.isNull())
90 return document().url();
91
92 auto* encoding = document().decoder() ? document().decoder()->encodingForURLParsing() : nullptr;
93 URL url(document().url(), stripLeadingAndTrailingHTMLSpaces(attributeValue), encoding);
94
95 if (!url.isValid())
96 return URL();
97
98 return url;
99}
100
101void HTMLBaseElement::setHref(const AtomicString& value)
102{
103 setAttributeWithoutSynchronization(hrefAttr, value);
104}
105
106}
107