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Diffstat (limited to 'Source/WebCore/html/HTMLMarqueeElement.cpp')
-rw-r--r-- | Source/WebCore/html/HTMLMarqueeElement.cpp | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/Source/WebCore/html/HTMLMarqueeElement.cpp b/Source/WebCore/html/HTMLMarqueeElement.cpp new file mode 100644 index 0000000..053ffa8 --- /dev/null +++ b/Source/WebCore/html/HTMLMarqueeElement.cpp @@ -0,0 +1,200 @@ +/* + * 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 |