1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll (at) kde.org) 3 * (C) 1999 Antti Koivisto (koivisto (at) kde.org) 4 * (C) 2000 Simon Hausmann <hausmann (at) 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 "core/CSSPropertyNames.h" 27 #include "core/CSSValueKeywords.h" 28 #include "core/HTMLNames.h" 29 #include "core/rendering/RenderBR.h" 30 31 namespace blink { 32 33 using namespace HTMLNames; 34 35 inline HTMLBRElement::HTMLBRElement(Document& document) 36 : HTMLElement(brTag, document) 37 { 38 } 39 40 DEFINE_NODE_FACTORY(HTMLBRElement) 41 42 bool HTMLBRElement::isPresentationAttribute(const QualifiedName& name) const 43 { 44 if (name == clearAttr) 45 return true; 46 return HTMLElement::isPresentationAttribute(name); 47 } 48 49 void HTMLBRElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style) 50 { 51 if (name == clearAttr) { 52 // If the string is empty, then don't add the clear property. 53 // <br clear> and <br clear=""> are just treated like <br> by Gecko, Mac IE, etc. -dwh 54 if (!value.isEmpty()) { 55 if (equalIgnoringCase(value, "all")) 56 addPropertyToPresentationAttributeStyle(style, CSSPropertyClear, CSSValueBoth); 57 else 58 addPropertyToPresentationAttributeStyle(style, CSSPropertyClear, value); 59 } 60 } else 61 HTMLElement::collectStyleForPresentationAttribute(name, value, style); 62 } 63 64 RenderObject* HTMLBRElement::createRenderer(RenderStyle* style) 65 { 66 if (style->hasContent()) 67 return RenderObject::createObject(this, style); 68 69 return new RenderBR(this); 70 } 71 72 } 73