blob: d81dd2d7e51e49f9053e1fcf648119f6cd6f91ff [file] [log] [blame]
/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Simon Hausmann <hausmann@kde.org>
* Copyright (C) 2003, 2006, 2009, 2010 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "third_party/blink/renderer/core/html/html_br_element.h"
#include "third_party/blink/renderer/core/css/css_property_names.h"
#include "third_party/blink/renderer/core/css_value_keywords.h"
#include "third_party/blink/renderer/core/html_names.h"
#include "third_party/blink/renderer/core/layout/layout_br.h"
namespace blink {
HTMLBRElement::HTMLBRElement(Document& document)
: HTMLElement(html_names::kBrTag, document) {}
bool HTMLBRElement::IsPresentationAttribute(const QualifiedName& name) const {
if (name == html_names::kClearAttr)
return true;
return HTMLElement::IsPresentationAttribute(name);
}
void HTMLBRElement::CollectStyleForPresentationAttribute(
const QualifiedName& name,
const AtomicString& value,
MutableCSSPropertyValueSet* style) {
if (name == html_names::kClearAttr) {
// If the string is empty, then don't add the clear property.
// <br clear> and <br clear=""> are just treated like <br> by Gecko, Mac IE,
// etc. -dwh
if (!value.IsEmpty()) {
if (DeprecatedEqualIgnoringCase(value, "all")) {
AddPropertyToPresentationAttributeStyle(style, CSSPropertyID::kClear,
CSSValueID::kBoth);
} else {
AddPropertyToPresentationAttributeStyle(style, CSSPropertyID::kClear,
value);
}
}
} else {
HTMLElement::CollectStyleForPresentationAttribute(name, value, style);
}
}
LayoutObject* HTMLBRElement::CreateLayoutObject(const ComputedStyle& style,
LegacyLayout legacy) {
if (style.HasContent())
return LayoutObject::CreateObject(this, style, legacy);
return new LayoutBR(this);
}
} // namespace blink