/*

 * 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 "Attribute.h"

#include "CSSPropertyNames.h"

#include "HTMLNames.h"

#include "RenderBR.h"

namespace WebCore {

using namespace HTMLNames;

HTMLBRElement::HTMLBRElement(const QualifiedName& tagName, Document* document)

    : HTMLElement(tagName, document)

{

    ASSERT(hasTagName(brTag));

}

PassRefPtr<HTMLBRElement> HTMLBRElement::create(Document* document)

{

    return adoptRef(new HTMLBRElement(brTag, document));

}

PassRefPtr<HTMLBRElement> HTMLBRElement::create(const QualifiedName& tagName, Document* document)

{

    return adoptRef(new HTMLBRElement(tagName, document));

}

bool HTMLBRElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const

{

    if (attrName == clearAttr) {

        result = eUniversal;

        return false;

    }

    return HTMLElement::mapToEntry(attrName, result);

}

void HTMLBRElement::parseMappedAttribute(Attribute* attr)

{

    if (attr->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

        const AtomicString& str = attr->value();

        if (!str.isEmpty()) {

            if (equalIgnoringCase(str, "all"))

                addCSSProperty(attr, CSSPropertyClear, "both");

            else

                addCSSProperty(attr, CSSPropertyClear, str);

        }

    } else

        HTMLElement::parseMappedAttribute(attr);

}

RenderObject* HTMLBRElement::createRenderer(RenderArena* arena, RenderStyle* style)

{

     if (style->contentData())

        return RenderObject::createObject(this, style);

     return new (arena) RenderBR(this);

}

}