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 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 "CSSHelper.h"
27 #include "Document.h"
28 #include "Frame.h"
29 #include "HTMLNames.h"
30 #include "MappedAttribute.h"
31 #include "XSSAuditor.h"
32
33 namespace WebCore {
34
35 using namespace HTMLNames;
36
HTMLBaseElement(const QualifiedName & qName,Document * document)37 HTMLBaseElement::HTMLBaseElement(const QualifiedName& qName, Document* document)
38 : HTMLElement(qName, document)
39 {
40 ASSERT(hasTagName(baseTag));
41 }
42
parseMappedAttribute(MappedAttribute * attr)43 void HTMLBaseElement::parseMappedAttribute(MappedAttribute* attr)
44 {
45 if (attr->name() == hrefAttr) {
46 m_hrefAttrValue = attr->value();
47 m_href = deprecatedParseURL(attr->value());
48 process();
49 } else if (attr->name() == targetAttr) {
50 m_target = attr->value();
51 process();
52 } else
53 HTMLElement::parseMappedAttribute(attr);
54 }
55
insertedIntoDocument()56 void HTMLBaseElement::insertedIntoDocument()
57 {
58 HTMLElement::insertedIntoDocument();
59 process();
60 }
61
removedFromDocument()62 void HTMLBaseElement::removedFromDocument()
63 {
64 HTMLElement::removedFromDocument();
65
66 // Since the document doesn't have a base element, clear the base URL and target.
67 // FIXME: This does not handle the case of multiple base elements correctly.
68 document()->setBaseElementURL(KURL());
69 document()->setBaseElementTarget(String());
70 }
71
process()72 void HTMLBaseElement::process()
73 {
74 if (!inDocument())
75 return;
76
77 if (!m_href.isEmpty() && (!document()->frame() || document()->frame()->script()->xssAuditor()->canSetBaseElementURL(m_hrefAttrValue)))
78 document()->setBaseElementURL(KURL(document()->url(), m_href));
79
80 if (!m_target.isEmpty())
81 document()->setBaseElementTarget(m_target);
82
83 // FIXME: Changing a document's base URL should probably automatically update the resolved relative URLs of all images, stylesheets, etc.
84 }
85
86 }
87