177 lines
6.5 KiB
C++
177 lines
6.5 KiB
C++
/*
|
|
* 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>
|
|
* Copyright (C) 2014 Adobe Systems Incorporated. All rights reserved.
|
|
* Copyright (C) 2018-2019 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 "SVGImageElement.h"
|
|
|
|
#include "CSSPropertyNames.h"
|
|
#include "RenderImageResource.h"
|
|
#include "RenderSVGImage.h"
|
|
#include "RenderSVGResource.h"
|
|
#include "SVGNames.h"
|
|
#include "XLinkNames.h"
|
|
#include <wtf/IsoMallocInlines.h>
|
|
#include <wtf/NeverDestroyed.h>
|
|
|
|
namespace WebCore {
|
|
|
|
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGImageElement);
|
|
|
|
inline SVGImageElement::SVGImageElement(const QualifiedName& tagName, Document& document)
|
|
: SVGGraphicsElement(tagName, document)
|
|
, SVGURIReference(this)
|
|
, m_imageLoader(*this)
|
|
{
|
|
static std::once_flag onceFlag;
|
|
std::call_once(onceFlag, [] {
|
|
PropertyRegistry::registerProperty<SVGNames::xAttr, &SVGImageElement::m_x>();
|
|
PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGImageElement::m_y>();
|
|
PropertyRegistry::registerProperty<SVGNames::widthAttr, &SVGImageElement::m_width>();
|
|
PropertyRegistry::registerProperty<SVGNames::heightAttr, &SVGImageElement::m_height>();
|
|
PropertyRegistry::registerProperty<SVGNames::preserveAspectRatioAttr, &SVGImageElement::m_preserveAspectRatio>();
|
|
});
|
|
}
|
|
|
|
Ref<SVGImageElement> SVGImageElement::create(const QualifiedName& tagName, Document& document)
|
|
{
|
|
return adoptRef(*new SVGImageElement(tagName, document));
|
|
}
|
|
|
|
bool SVGImageElement::hasSingleSecurityOrigin() const
|
|
{
|
|
auto* renderer = downcast<RenderSVGImage>(this->renderer());
|
|
if (!renderer || !renderer->imageResource().cachedImage())
|
|
return true;
|
|
auto* image = renderer->imageResource().cachedImage()->image();
|
|
return !image || image->hasSingleSecurityOrigin();
|
|
}
|
|
|
|
void SVGImageElement::parseAttribute(const QualifiedName& name, const AtomString& value)
|
|
{
|
|
if (name == SVGNames::preserveAspectRatioAttr) {
|
|
m_preserveAspectRatio->setBaseValInternal(SVGPreserveAspectRatioValue { value });
|
|
return;
|
|
}
|
|
|
|
SVGParsingError parseError = NoError;
|
|
|
|
if (name == SVGNames::xAttr)
|
|
m_x->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Width, value, parseError));
|
|
else if (name == SVGNames::yAttr)
|
|
m_y->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Height, value, parseError));
|
|
else if (name == SVGNames::widthAttr)
|
|
m_width->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Width, value, parseError, SVGLengthNegativeValuesMode::Forbid));
|
|
else if (name == SVGNames::heightAttr)
|
|
m_height->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Height, value, parseError, SVGLengthNegativeValuesMode::Forbid));
|
|
|
|
reportAttributeParsingError(parseError, name, value);
|
|
|
|
SVGGraphicsElement::parseAttribute(name, value);
|
|
SVGURIReference::parseAttribute(name, value);
|
|
}
|
|
|
|
void SVGImageElement::svgAttributeChanged(const QualifiedName& attrName)
|
|
{
|
|
if (attrName == SVGNames::xAttr || attrName == SVGNames::yAttr) {
|
|
InstanceInvalidationGuard guard(*this);
|
|
updateRelativeLengthsInformation();
|
|
|
|
if (auto* renderer = this->renderer()) {
|
|
if (downcast<RenderSVGImage>(*renderer).updateImageViewport())
|
|
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (attrName == SVGNames::widthAttr || attrName == SVGNames::heightAttr) {
|
|
InstanceInvalidationGuard guard(*this);
|
|
invalidateSVGPresentationalHintStyle();
|
|
return;
|
|
}
|
|
|
|
if (attrName == SVGNames::preserveAspectRatioAttr) {
|
|
InstanceInvalidationGuard guard(*this);
|
|
if (auto* renderer = this->renderer())
|
|
RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer);
|
|
return;
|
|
}
|
|
|
|
if (SVGURIReference::isKnownAttribute(attrName)) {
|
|
m_imageLoader.updateFromElementIgnoringPreviousError();
|
|
return;
|
|
}
|
|
|
|
SVGGraphicsElement::svgAttributeChanged(attrName);
|
|
}
|
|
|
|
RenderPtr<RenderElement> SVGImageElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
|
|
{
|
|
return createRenderer<RenderSVGImage>(*this, WTFMove(style));
|
|
}
|
|
|
|
bool SVGImageElement::haveLoadedRequiredResources()
|
|
{
|
|
return !m_imageLoader.hasPendingActivity();
|
|
}
|
|
|
|
void SVGImageElement::didAttachRenderers()
|
|
{
|
|
if (auto* imageObj = downcast<RenderSVGImage>(renderer())) {
|
|
if (imageObj->imageResource().cachedImage())
|
|
return;
|
|
|
|
imageObj->imageResource().setCachedImage(m_imageLoader.image());
|
|
}
|
|
}
|
|
|
|
Node::InsertedIntoAncestorResult SVGImageElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
|
|
{
|
|
SVGGraphicsElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
|
|
if (!insertionType.connectedToDocument)
|
|
return InsertedIntoAncestorResult::Done;
|
|
// 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 InsertedIntoAncestorResult::Done;
|
|
}
|
|
|
|
const AtomString& SVGImageElement::imageSourceURL() const
|
|
{
|
|
return getAttribute(SVGNames::hrefAttr, XLinkNames::hrefAttr);
|
|
}
|
|
|
|
void SVGImageElement::addSubresourceAttributeURLs(ListHashSet<URL>& urls) const
|
|
{
|
|
SVGGraphicsElement::addSubresourceAttributeURLs(urls);
|
|
|
|
addSubresourceURL(urls, document().completeURL(href()));
|
|
}
|
|
|
|
void SVGImageElement::didMoveToNewDocument(Document& oldDocument, Document& newDocument)
|
|
{
|
|
m_imageLoader.elementDidMoveToNewDocument(oldDocument);
|
|
SVGGraphicsElement::didMoveToNewDocument(oldDocument, newDocument);
|
|
}
|
|
|
|
}
|