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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Rob Buis <buis@kde.org>
* Copyright (C) 2006 Alexander Kellett <lypanov@kde.org>
*
* 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 "core/svg/SVGImageElement.h"
#include "CSSPropertyNames.h"
#include "XLinkNames.h"
#include "core/rendering/RenderImageResource.h"
#include "core/rendering/svg/RenderSVGImage.h"
#include "core/rendering/svg/RenderSVGResource.h"
#include "core/svg/SVGElementInstance.h"
namespace WebCore {
// Animated property definitions
DEFINE_ANIMATED_LENGTH(SVGImageElement, SVGNames::xAttr, X, x)
DEFINE_ANIMATED_LENGTH(SVGImageElement, SVGNames::yAttr, Y, y)
DEFINE_ANIMATED_LENGTH(SVGImageElement, SVGNames::widthAttr, Width, width)
DEFINE_ANIMATED_LENGTH(SVGImageElement, SVGNames::heightAttr, Height, height)
DEFINE_ANIMATED_PRESERVEASPECTRATIO(SVGImageElement, SVGNames::preserveAspectRatioAttr, PreserveAspectRatio, preserveAspectRatio)
DEFINE_ANIMATED_STRING(SVGImageElement, XLinkNames::hrefAttr, Href, href)
DEFINE_ANIMATED_BOOLEAN(SVGImageElement, SVGNames::externalResourcesRequiredAttr, ExternalResourcesRequired, externalResourcesRequired)
BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGImageElement)
REGISTER_LOCAL_ANIMATED_PROPERTY(x)
REGISTER_LOCAL_ANIMATED_PROPERTY(y)
REGISTER_LOCAL_ANIMATED_PROPERTY(width)
REGISTER_LOCAL_ANIMATED_PROPERTY(height)
REGISTER_LOCAL_ANIMATED_PROPERTY(preserveAspectRatio)
REGISTER_LOCAL_ANIMATED_PROPERTY(href)
REGISTER_LOCAL_ANIMATED_PROPERTY(externalResourcesRequired)
REGISTER_PARENT_ANIMATED_PROPERTIES(SVGGraphicsElement)
END_REGISTER_ANIMATED_PROPERTIES
inline SVGImageElement::SVGImageElement(Document& document)
: SVGGraphicsElement(SVGNames::imageTag, document)
, m_x(LengthModeWidth)
, m_y(LengthModeHeight)
, m_width(LengthModeWidth)
, m_height(LengthModeHeight)
, m_imageLoader(this)
{
ScriptWrappable::init(this);
registerAnimatedPropertiesForSVGImageElement();
}
PassRefPtr<SVGImageElement> SVGImageElement::create(Document& document)
{
return adoptRef(new SVGImageElement(document));
}
bool SVGImageElement::currentFrameHasSingleSecurityOrigin() const
{
if (RenderSVGImage* renderSVGImage = toRenderSVGImage(renderer())) {
if (renderSVGImage->imageResource()->hasImage()) {
if (Image* image = renderSVGImage->imageResource()->cachedImage()->image())
return image->currentFrameHasSingleSecurityOrigin();
}
}
return true;
}
bool SVGImageElement::isSupportedAttribute(const QualifiedName& attrName)
{
DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
if (supportedAttributes.isEmpty()) {
SVGExternalResourcesRequired::addSupportedAttributes(supportedAttributes);
SVGURIReference::addSupportedAttributes(supportedAttributes);
supportedAttributes.add(SVGNames::xAttr);
supportedAttributes.add(SVGNames::yAttr);
supportedAttributes.add(SVGNames::widthAttr);
supportedAttributes.add(SVGNames::heightAttr);
supportedAttributes.add(SVGNames::preserveAspectRatioAttr);
}
return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
}
bool SVGImageElement::isPresentationAttribute(const QualifiedName& name) const
{
if (name == SVGNames::widthAttr || name == SVGNames::heightAttr)
return true;
return SVGGraphicsElement::isPresentationAttribute(name);
}
void SVGImageElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
{
if (!isSupportedAttribute(name))
SVGGraphicsElement::collectStyleForPresentationAttribute(name, value, style);
else if (name == SVGNames::widthAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyWidth, value);
else if (name == SVGNames::heightAttr)
addPropertyToPresentationAttributeStyle(style, CSSPropertyHeight, value);
}
void SVGImageElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
{
SVGParsingError parseError = NoError;
if (!isSupportedAttribute(name))
SVGGraphicsElement::parseAttribute(name, value);
else if (name == SVGNames::xAttr)
setXBaseValue(SVGLength::construct(LengthModeWidth, value, parseError));
else if (name == SVGNames::yAttr)
setYBaseValue(SVGLength::construct(LengthModeHeight, value, parseError));
else if (name == SVGNames::preserveAspectRatioAttr) {
SVGPreserveAspectRatio preserveAspectRatio;
preserveAspectRatio.parse(value);
setPreserveAspectRatioBaseValue(preserveAspectRatio);
} else if (name == SVGNames::widthAttr)
setWidthBaseValue(SVGLength::construct(LengthModeWidth, value, parseError, ForbidNegativeLengths));
else if (name == SVGNames::heightAttr)
setHeightBaseValue(SVGLength::construct(LengthModeHeight, value, parseError, ForbidNegativeLengths));
else if (SVGExternalResourcesRequired::parseAttribute(name, value)
|| SVGURIReference::parseAttribute(name, value)) {
} else
ASSERT_NOT_REACHED();
reportAttributeParsingError(parseError, name, value);
}
void SVGImageElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (!isSupportedAttribute(attrName)) {
SVGGraphicsElement::svgAttributeChanged(attrName);
return;
}
SVGElementInstance::InvalidationGuard invalidationGuard(this);
bool isLengthAttribute = attrName == SVGNames::xAttr
|| attrName == SVGNames::yAttr
|| attrName == SVGNames::widthAttr
|| attrName == SVGNames::heightAttr;
if (isLengthAttribute)
updateRelativeLengthsInformation();
if (SVGURIReference::isKnownAttribute(attrName)) {
m_imageLoader.updateFromElementIgnoringPreviousError();
return;
}
RenderObject* renderer = this->renderer();
if (!renderer)
return;
if (isLengthAttribute) {
if (toRenderSVGImage(renderer)->updateImageViewport())
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
return;
}
if (attrName == SVGNames::preserveAspectRatioAttr
|| SVGExternalResourcesRequired::isKnownAttribute(attrName)) {
RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
return;
}
ASSERT_NOT_REACHED();
}
bool SVGImageElement::selfHasRelativeLengths() const
{
return xCurrentValue().isRelative()
|| yCurrentValue().isRelative()
|| widthCurrentValue().isRelative()
|| heightCurrentValue().isRelative();
}
RenderObject* SVGImageElement::createRenderer(RenderStyle*)
{
return new RenderSVGImage(this);
}
bool SVGImageElement::haveLoadedRequiredResources()
{
return !externalResourcesRequiredBaseValue() || !m_imageLoader.hasPendingActivity();
}
void SVGImageElement::attach(const AttachContext& context)
{
SVGGraphicsElement::attach(context);
if (RenderSVGImage* imageObj = toRenderSVGImage(renderer())) {
if (imageObj->imageResource()->hasImage())
return;
imageObj->imageResource()->setImageResource(m_imageLoader.image());
}
}
Node::InsertionNotificationRequest SVGImageElement::insertedInto(ContainerNode* rootParent)
{
SVGGraphicsElement::insertedInto(rootParent);
if (!rootParent->inDocument())
return InsertionDone;
// Update image loader, as soon as we're living in the tree.
// We can only resolve base URIs properly, after that!
m_imageLoader.updateFromElement();
return InsertionDone;
}
const AtomicString SVGImageElement::imageSourceURL() const
{
return hrefCurrentValue();
}
void SVGImageElement::addSubresourceAttributeURLs(ListHashSet<KURL>& urls) const
{
SVGGraphicsElement::addSubresourceAttributeURLs(urls);
addSubresourceURL(urls, document().completeURL(hrefCurrentValue()));
}
void SVGImageElement::didMoveToNewDocument(Document& oldDocument)
{
m_imageLoader.elementDidMoveToNewDocument();
SVGGraphicsElement::didMoveToNewDocument(oldDocument);
}
}
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