blob: a71bbca088d95ce7dfacd71968047eb25fae963b [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 "config.h"
#include "HTMLBRElement.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "HTMLNames.h"
#include "RenderLineBreak.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLBRElement);
using namespace HTMLNames;
HTMLBRElement::HTMLBRElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(brTag));
}
Ref<HTMLBRElement> HTMLBRElement::create(Document& document)
{
return adoptRef(*new HTMLBRElement(brTag, document));
}
Ref<HTMLBRElement> HTMLBRElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new HTMLBRElement(tagName, document));
}
bool HTMLBRElement::hasPresentationalHintsForAttribute(const QualifiedName& name) const
{
if (name == clearAttr)
return true;
return HTMLElement::hasPresentationalHintsForAttribute(name);
}
void HTMLBRElement::collectPresentationalHintsForAttribute(const QualifiedName& name, const AtomString& value, MutableStyleProperties& style)
{
if (name == clearAttr) {
// 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 (equalLettersIgnoringASCIICase(value, "all"_s))
addPropertyToPresentationalHintStyle(style, CSSPropertyClear, CSSValueBoth);
else
addPropertyToPresentationalHintStyle(style, CSSPropertyClear, value);
}
} else
HTMLElement::collectPresentationalHintsForAttribute(name, value, style);
}
RenderPtr<RenderElement> HTMLBRElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
if (style.hasContent() && RenderElement::isContentDataSupported(*style.contentData()))
return RenderElement::createFor(*this, WTFMove(style));
return createRenderer<RenderLineBreak>(*this, WTFMove(style));
}
}