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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003, 2007, 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 "HTMLMarqueeElement.h"
#include "Attribute.h"
#include "CSSPropertyNames.h"
#include "CSSValueKeywords.h"
#include "ExceptionCode.h"
#include "HTMLNames.h"
#include "RenderLayer.h"
#include "RenderMarquee.h"
namespace WebCore {
using namespace HTMLNames;
// WinIE uses 60ms as the minimum delay by default.
const int defaultMinimumDelay = 60;
inline HTMLMarqueeElement::HTMLMarqueeElement(const QualifiedName& tagName, Document* document)
: HTMLElement(tagName, document)
, ActiveDOMObject(document, this)
, m_minimumDelay(defaultMinimumDelay)
{
ASSERT(hasTagName(marqueeTag));
}
PassRefPtr<HTMLMarqueeElement> HTMLMarqueeElement::create(const QualifiedName& tagName, Document* document)
{
return adoptRef(new HTMLMarqueeElement(tagName, document));
}
bool HTMLMarqueeElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
{
if (attrName == widthAttr ||
attrName == heightAttr ||
attrName == bgcolorAttr ||
attrName == vspaceAttr ||
attrName == hspaceAttr ||
attrName == scrollamountAttr ||
attrName == scrolldelayAttr ||
attrName == loopAttr ||
attrName == behaviorAttr ||
attrName == directionAttr) {
result = eUniversal;
return false;
}
return HTMLElement::mapToEntry(attrName, result);
}
void HTMLMarqueeElement::parseMappedAttribute(Attribute* attr)
{
if (attr->name() == widthAttr) {
if (!attr->value().isEmpty())
addCSSLength(attr, CSSPropertyWidth, attr->value());
} else if (attr->name() == heightAttr) {
if (!attr->value().isEmpty())
addCSSLength(attr, CSSPropertyHeight, attr->value());
} else if (attr->name() == bgcolorAttr) {
if (!attr->value().isEmpty())
addCSSColor(attr, CSSPropertyBackgroundColor, attr->value());
} else if (attr->name() == vspaceAttr) {
if (!attr->value().isEmpty()) {
addCSSLength(attr, CSSPropertyMarginTop, attr->value());
addCSSLength(attr, CSSPropertyMarginBottom, attr->value());
}
} else if (attr->name() == hspaceAttr) {
if (!attr->value().isEmpty()) {
addCSSLength(attr, CSSPropertyMarginLeft, attr->value());
addCSSLength(attr, CSSPropertyMarginRight, attr->value());
}
} else if (attr->name() == scrollamountAttr) {
if (!attr->value().isEmpty())
addCSSLength(attr, CSSPropertyWebkitMarqueeIncrement, attr->value());
} else if (attr->name() == scrolldelayAttr) {
if (!attr->value().isEmpty())
addCSSLength(attr, CSSPropertyWebkitMarqueeSpeed, attr->value());
} else if (attr->name() == loopAttr) {
if (!attr->value().isEmpty()) {
if (attr->value() == "-1" || equalIgnoringCase(attr->value(), "infinite"))
addCSSProperty(attr, CSSPropertyWebkitMarqueeRepetition, CSSValueInfinite);
else
addCSSLength(attr, CSSPropertyWebkitMarqueeRepetition, attr->value());
}
} else if (attr->name() == behaviorAttr) {
if (!attr->value().isEmpty())
addCSSProperty(attr, CSSPropertyWebkitMarqueeStyle, attr->value());
} else if (attr->name() == directionAttr) {
if (!attr->value().isEmpty())
addCSSProperty(attr, CSSPropertyWebkitMarqueeDirection, attr->value());
} else if (attr->name() == truespeedAttr)
m_minimumDelay = !attr->isEmpty() ? 0 : defaultMinimumDelay;
else
HTMLElement::parseMappedAttribute(attr);
}
void HTMLMarqueeElement::start()
{
if (RenderMarquee* marqueeRenderer = renderMarquee())
marqueeRenderer->start();
}
void HTMLMarqueeElement::stop()
{
if (RenderMarquee* marqueeRenderer = renderMarquee())
marqueeRenderer->stop();
}
int HTMLMarqueeElement::scrollAmount() const
{
bool ok;
int scrollAmount = fastGetAttribute(scrollamountAttr).toInt(&ok);
return ok && scrollAmount >= 0 ? scrollAmount : RenderStyle::initialMarqueeIncrement().value();
}
void HTMLMarqueeElement::setScrollAmount(int scrollAmount, ExceptionCode& ec)
{
if (scrollAmount < 0)
ec = INDEX_SIZE_ERR;
else
setIntegralAttribute(scrollamountAttr, scrollAmount);
}
int HTMLMarqueeElement::scrollDelay() const
{
bool ok;
int scrollDelay = fastGetAttribute(scrolldelayAttr).toInt(&ok);
return ok && scrollDelay >= 0 ? scrollDelay : RenderStyle::initialMarqueeSpeed();
}
void HTMLMarqueeElement::setScrollDelay(int scrollDelay, ExceptionCode& ec)
{
if (scrollDelay < 0)
ec = INDEX_SIZE_ERR;
else
setIntegralAttribute(scrolldelayAttr, scrollDelay);
}
int HTMLMarqueeElement::loop() const
{
bool ok;
int loopValue = fastGetAttribute(loopAttr).toInt(&ok);
return ok && loopValue > 0 ? loopValue : -1;
}
void HTMLMarqueeElement::setLoop(int loop, ExceptionCode& ec)
{
if (loop <= 0 && loop != -1)
ec = INDEX_SIZE_ERR;
else
setIntegralAttribute(loopAttr, loop);
}
bool HTMLMarqueeElement::canSuspend() const
{
return true;
}
void HTMLMarqueeElement::suspend(ReasonForSuspension)
{
if (RenderMarquee* marqueeRenderer = renderMarquee())
marqueeRenderer->suspend();
}
void HTMLMarqueeElement::resume()
{
if (RenderMarquee* marqueeRenderer = renderMarquee())
marqueeRenderer->updateMarqueePosition();
}
RenderMarquee* HTMLMarqueeElement::renderMarquee() const
{
if (renderer() && renderer()->hasLayer())
return renderBoxModelObject()->layer()->marquee();
return 0;
}
} // namespace WebCore
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