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/*
Copyright (C) 2006 Apple Computer, Inc.
(C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
This file is part of the WebKit project
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"
#if ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)
#include "SVGForeignObjectElement.h"
#include "CSSPropertyNames.h"
#include "MappedAttribute.h"
#include "RenderForeignObject.h"
#include "SVGLength.h"
#include "SVGNames.h"
#include <wtf/Assertions.h>
namespace WebCore {
SVGForeignObjectElement::SVGForeignObjectElement(const QualifiedName& tagName, Document *doc)
: SVGStyledTransformableElement(tagName, doc)
, SVGTests()
, SVGLangSpace()
, SVGExternalResourcesRequired()
, m_x(this, SVGNames::xAttr, LengthModeWidth)
, m_y(this, SVGNames::yAttr, LengthModeHeight)
, m_width(this, SVGNames::widthAttr, LengthModeWidth)
, m_height(this, SVGNames::heightAttr, LengthModeHeight)
, m_href(this, XLinkNames::hrefAttr)
, m_externalResourcesRequired(this, SVGNames::externalResourcesRequiredAttr, false)
{
}
SVGForeignObjectElement::~SVGForeignObjectElement()
{
}
void SVGForeignObjectElement::parseMappedAttribute(MappedAttribute* attr)
{
const AtomicString& value = attr->value();
if (attr->name() == SVGNames::xAttr)
setXBaseValue(SVGLength(LengthModeWidth, value));
else if (attr->name() == SVGNames::yAttr)
setYBaseValue(SVGLength(LengthModeHeight, value));
else if (attr->name() == SVGNames::widthAttr)
setWidthBaseValue(SVGLength(LengthModeWidth, value));
else if (attr->name() == SVGNames::heightAttr)
setHeightBaseValue(SVGLength(LengthModeHeight, value));
else {
if (SVGTests::parseMappedAttribute(attr))
return;
if (SVGLangSpace::parseMappedAttribute(attr))
return;
if (SVGExternalResourcesRequired::parseMappedAttribute(attr))
return;
SVGStyledTransformableElement::parseMappedAttribute(attr);
}
}
// TODO: Move this function in some SVG*Element base class, as SVGSVGElement / SVGImageElement will need the same logic!
// This function mimics addCSSProperty and StyledElement::attributeChanged.
// In HTML code, you'd always call addCSSProperty from your derived parseMappedAttribute()
// function - though in SVG code we need to move this logic into svgAttributeChanged, in
// order to support SVG DOM changes (which don't use the parseMappedAttribute/attributeChanged).
// If we'd ignore SVG DOM, we could use _exactly_ the same logic as HTML.
static inline void addCSSPropertyAndNotifyAttributeMap(StyledElement* element, const QualifiedName& name, int cssProperty, const String& value)
{
ASSERT(element);
if (!element)
return;
NamedMappedAttrMap* attrs = element->mappedAttributes();
ASSERT(attrs);
if (!attrs)
return;
Attribute* attr = attrs->getAttributeItem(name);
if (!attr || !attr->isMappedAttribute())
return;
MappedAttribute* mappedAttr = static_cast<MappedAttribute*>(attr);
// This logic is only meant to be used for entries that have to be parsed and are mapped to eNone. Assert that.
MappedAttributeEntry entry;
bool needToParse = element->mapToEntry(mappedAttr->name(), entry);
ASSERT(needToParse);
ASSERT(entry == eNone);
if (!needToParse || entry != eNone)
return;
if (mappedAttr->decl()) {
mappedAttr->setDecl(0);
attrs->declRemoved();
}
element->setNeedsStyleRecalc();
element->addCSSProperty(mappedAttr, cssProperty, value);
if (CSSMappedAttributeDeclaration* decl = mappedAttr->decl()) {
// Add the decl to the table in the appropriate spot.
element->setMappedAttributeDecl(entry, mappedAttr, decl);
decl->setMappedState(entry, mappedAttr->name(), mappedAttr->value());
decl->setParent(0);
decl->setNode(0);
attrs->declAdded();
}
}
void SVGForeignObjectElement::svgAttributeChanged(const QualifiedName& attrName)
{
SVGStyledTransformableElement::svgAttributeChanged(attrName);
if (attrName == SVGNames::widthAttr) {
addCSSPropertyAndNotifyAttributeMap(this, attrName, CSSPropertyWidth, width().valueAsString());
return;
} else if (attrName == SVGNames::heightAttr) {
addCSSPropertyAndNotifyAttributeMap(this, attrName, CSSPropertyHeight, height().valueAsString());
return;
}
if (!renderer())
return;
if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr ||
SVGTests::isKnownAttribute(attrName) ||
SVGLangSpace::isKnownAttribute(attrName) ||
SVGExternalResourcesRequired::isKnownAttribute(attrName) ||
SVGStyledTransformableElement::isKnownAttribute(attrName))
renderer()->setNeedsLayout(true);
}
RenderObject* SVGForeignObjectElement::createRenderer(RenderArena* arena, RenderStyle*)
{
return new (arena) RenderForeignObject(this);
}
bool SVGForeignObjectElement::childShouldCreateRenderer(Node* child) const
{
// Skip over SVG rules which disallow non-SVG kids
return StyledElement::childShouldCreateRenderer(child);
}
} // namespace WebCore
#endif // ENABLE(SVG) && ENABLE(SVG_FOREIGN_OBJECT)
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