1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Simon Hausmann <hausmann@kde.org>
5 * Copyright (C) 2003, 2006, 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 "HTMLBRElement.h"
25
26 #include "Attribute.h"
27 #include "CSSPropertyNames.h"
28 #include "HTMLNames.h"
29 #include "RenderBR.h"
30
31 namespace WebCore {
32
33 using namespace HTMLNames;
34
HTMLBRElement(const QualifiedName & tagName,Document * document)35 HTMLBRElement::HTMLBRElement(const QualifiedName& tagName, Document* document)
36 : HTMLElement(tagName, document)
37 {
38 ASSERT(hasTagName(brTag));
39 }
40
create(Document * document)41 PassRefPtr<HTMLBRElement> HTMLBRElement::create(Document* document)
42 {
43 return adoptRef(new HTMLBRElement(brTag, document));
44 }
45
create(const QualifiedName & tagName,Document * document)46 PassRefPtr<HTMLBRElement> HTMLBRElement::create(const QualifiedName& tagName, Document* document)
47 {
48 return adoptRef(new HTMLBRElement(tagName, document));
49 }
50
mapToEntry(const QualifiedName & attrName,MappedAttributeEntry & result) const51 bool HTMLBRElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
52 {
53 if (attrName == clearAttr) {
54 result = eUniversal;
55 return false;
56 }
57
58 return HTMLElement::mapToEntry(attrName, result);
59 }
60
parseMappedAttribute(Attribute * attr)61 void HTMLBRElement::parseMappedAttribute(Attribute* attr)
62 {
63 if (attr->name() == clearAttr) {
64 // If the string is empty, then don't add the clear property.
65 // <br clear> and <br clear=""> are just treated like <br> by Gecko, Mac IE, etc. -dwh
66 const AtomicString& str = attr->value();
67 if (!str.isEmpty()) {
68 if (equalIgnoringCase(str, "all"))
69 addCSSProperty(attr, CSSPropertyClear, "both");
70 else
71 addCSSProperty(attr, CSSPropertyClear, str);
72 }
73 } else
74 HTMLElement::parseMappedAttribute(attr);
75 }
76
createRenderer(RenderArena * arena,RenderStyle * style)77 RenderObject* HTMLBRElement::createRenderer(RenderArena* arena, RenderStyle* style)
78 {
79 if (style->contentData())
80 return RenderObject::createObject(this, style);
81
82 return new (arena) RenderBR(this);
83 }
84
85 }
86