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 "core/html/HTMLBRElement.h"
25
26 #include "CSSPropertyNames.h"
27 #include "CSSValueKeywords.h"
28 #include "HTMLNames.h"
29 #include "core/rendering/RenderBR.h"
30
31 namespace WebCore {
32
33 using namespace HTMLNames;
34
HTMLBRElement(Document & document)35 HTMLBRElement::HTMLBRElement(Document& document)
36 : HTMLElement(brTag, document)
37 {
38 ScriptWrappable::init(this);
39 }
40
create(Document & document)41 PassRefPtr<HTMLBRElement> HTMLBRElement::create(Document& document)
42 {
43 return adoptRef(new HTMLBRElement(document));
44 }
45
isPresentationAttribute(const QualifiedName & name) const46 bool HTMLBRElement::isPresentationAttribute(const QualifiedName& name) const
47 {
48 if (name == clearAttr)
49 return true;
50 return HTMLElement::isPresentationAttribute(name);
51 }
52
collectStyleForPresentationAttribute(const QualifiedName & name,const AtomicString & value,MutableStylePropertySet * style)53 void HTMLBRElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
54 {
55 if (name == clearAttr) {
56 // If the string is empty, then don't add the clear property.
57 // <br clear> and <br clear=""> are just treated like <br> by Gecko, Mac IE, etc. -dwh
58 if (!value.isEmpty()) {
59 if (equalIgnoringCase(value, "all"))
60 addPropertyToPresentationAttributeStyle(style, CSSPropertyClear, CSSValueBoth);
61 else
62 addPropertyToPresentationAttributeStyle(style, CSSPropertyClear, value);
63 }
64 } else
65 HTMLElement::collectStyleForPresentationAttribute(name, value, style);
66 }
67
createRenderer(RenderStyle * style)68 RenderObject* HTMLBRElement::createRenderer(RenderStyle* style)
69 {
70 if (style->hasContent())
71 return RenderObject::createObject(this, style);
72
73 return new RenderBR(this);
74 }
75
76 }
77