blob: 1ca96a2178ba93c6e3262e91f4054f7ac8fd0d98 [file] [log] [blame]
/*
* 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;
inline HTMLMarqueeElement::HTMLMarqueeElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
, ActiveDOMObject(&document)
{
ASSERT(hasTagName(marqueeTag));
}
PassRefPtr<HTMLMarqueeElement> HTMLMarqueeElement::create(const QualifiedName& tagName, Document& document)
{
RefPtr<HTMLMarqueeElement> marqueeElement(adoptRef(new HTMLMarqueeElement(tagName, document)));
marqueeElement->suspendIfNeeded();
return marqueeElement.release();
}
int HTMLMarqueeElement::minimumDelay() const
{
if (fastGetAttribute(truespeedAttr).isEmpty()) {
// WinIE uses 60ms as the minimum delay by default.
return 60;
}
return 0;
}
bool HTMLMarqueeElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == widthAttr || name == heightAttr || name == bgcolorAttr || name == vspaceAttr || name == hspaceAttr || name == scrollamountAttr || name == scrolldelayAttr || name == loopAttr || name == behaviorAttr || name == directionAttr)
return true;
return HTMLElement::isPresentationAttribute(name);
}
void HTMLMarqueeElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
{
if (name == widthAttr) {
if (!value.isEmpty())
addHTMLLengthToStyle(style, CSSPropertyWidth, value);
} else if (name == heightAttr) {
if (!value.isEmpty())
addHTMLLengthToStyle(style, CSSPropertyHeight, value);
} else if (name == bgcolorAttr) {
if (!value.isEmpty())
addHTMLColorToStyle(style, CSSPropertyBackgroundColor, value);
} else if (name == vspaceAttr) {
if (!value.isEmpty()) {
addHTMLLengthToStyle(style, CSSPropertyMarginTop, value);
addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value);
}
} else if (name == hspaceAttr) {
if (!value.isEmpty()) {
addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value);
addHTMLLengthToStyle(style, CSSPropertyMarginRight, value);
}
} else if (name == scrollamountAttr) {
if (!value.isEmpty())
addHTMLLengthToStyle(style, CSSPropertyWebkitMarqueeIncrement, value);
} else if (name == scrolldelayAttr) {
if (!value.isEmpty())
addHTMLLengthToStyle(style, CSSPropertyWebkitMarqueeSpeed, value);
} else if (name == loopAttr) {
if (!value.isEmpty()) {
if (value == "-1" || equalIgnoringCase(value, "infinite"))
addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitMarqueeRepetition, CSSValueInfinite);
else
addHTMLLengthToStyle(style, CSSPropertyWebkitMarqueeRepetition, value);
}
} else if (name == behaviorAttr) {
if (!value.isEmpty())
addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitMarqueeStyle, value);
} else if (name == directionAttr) {
if (!value.isEmpty())
addPropertyToPresentationAttributeStyle(style, CSSPropertyWebkitMarqueeDirection, value);
} else
HTMLElement::collectStyleForPresentationAttribute(name, value, style);
}
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().intValue();
}
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