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/*
* Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Alexander Kellett <lypanov@kde.org>
* Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
* 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 "SVGMaskElement.h"
#include "RenderSVGResourceMaskerInlines.h"
#include "SVGElementInlines.h"
#include "SVGNames.h"
#include "SVGRenderSupport.h"
#include "SVGStringList.h"
#include "SVGUnitTypes.h"
#include "StyleResolver.h"
#include <wtf/IsoMallocInlines.h>
#include <wtf/NeverDestroyed.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(SVGMaskElement);
inline SVGMaskElement::SVGMaskElement(const QualifiedName& tagName, Document& document)
: SVGElement(tagName, document)
, SVGTests(this)
{
// Spec: If the x/y attribute is not specified, the effect is as if a value of "-10%" were specified.
// Spec: If the width/height attribute is not specified, the effect is as if a value of "120%" were specified.
ASSERT(hasTagName(SVGNames::maskTag));
static std::once_flag onceFlag;
std::call_once(onceFlag, [] {
PropertyRegistry::registerProperty<SVGNames::xAttr, &SVGMaskElement::m_x>();
PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGMaskElement::m_y>();
PropertyRegistry::registerProperty<SVGNames::widthAttr, &SVGMaskElement::m_width>();
PropertyRegistry::registerProperty<SVGNames::heightAttr, &SVGMaskElement::m_height>();
PropertyRegistry::registerProperty<SVGNames::maskUnitsAttr, SVGUnitTypes::SVGUnitType, &SVGMaskElement::m_maskUnits>();
PropertyRegistry::registerProperty<SVGNames::maskContentUnitsAttr, SVGUnitTypes::SVGUnitType, &SVGMaskElement::m_maskContentUnits>();
});
}
Ref<SVGMaskElement> SVGMaskElement::create(const QualifiedName& tagName, Document& document)
{
return adoptRef(*new SVGMaskElement(tagName, document));
}
void SVGMaskElement::parseAttribute(const QualifiedName& name, const AtomString& value)
{
if (name == SVGNames::maskUnitsAttr) {
auto propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(value);
if (propertyValue > 0)
m_maskUnits->setBaseValInternal<SVGUnitTypes::SVGUnitType>(propertyValue);
return;
}
if (name == SVGNames::maskContentUnitsAttr) {
auto propertyValue = SVGPropertyTraits<SVGUnitTypes::SVGUnitType>::fromString(value);
if (propertyValue > 0)
m_maskContentUnits->setBaseValInternal<SVGUnitTypes::SVGUnitType>(propertyValue);
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));
else if (name == SVGNames::heightAttr)
m_height->setBaseValInternal(SVGLengthValue::construct(SVGLengthMode::Height, value, parseError));
reportAttributeParsingError(parseError, name, value);
SVGElement::parseAttribute(name, value);
SVGTests::parseAttribute(name, value);
}
void SVGMaskElement::svgAttributeChanged(const QualifiedName& attrName)
{
if (PropertyRegistry::isAnimatedLengthAttribute(attrName)) {
InstanceInvalidationGuard guard(*this);
invalidateSVGPresentationalHintStyle();
return;
}
if (PropertyRegistry::isKnownAttribute(attrName)) {
if (auto* renderer = this->renderer())
renderer->setNeedsLayout();
return;
}
SVGElement::svgAttributeChanged(attrName);
}
void SVGMaskElement::childrenChanged(const ChildChange& change)
{
SVGElement::childrenChanged(change);
if (change.source == ChildChange::Source::Parser)
return;
if (RenderObject* object = renderer())
object->setNeedsLayout();
}
RenderPtr<RenderElement> SVGMaskElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
return createRenderer<RenderSVGResourceMasker>(*this, WTFMove(style));
}
}