| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005, 2006 Rob Buis <buis@kde.org> |
| * Copyright (C) 2009 Dirk Schulze <krit@webkit.org> |
| * 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 "SVGFilterPrimitiveStandardAttributes.h" |
| |
| #include "FilterEffect.h" |
| #include "RenderSVGResourceFilterPrimitive.h" |
| #include "SVGFilterBuilder.h" |
| #include <wtf/IsoMallocInlines.h> |
| #include <wtf/NeverDestroyed.h> |
| |
| namespace WebCore { |
| |
| WTF_MAKE_ISO_ALLOCATED_IMPL(SVGFilterPrimitiveStandardAttributes); |
| |
| SVGFilterPrimitiveStandardAttributes::SVGFilterPrimitiveStandardAttributes(const QualifiedName& tagName, Document& document) |
| : SVGElement(tagName, document) |
| { |
| static std::once_flag onceFlag; |
| std::call_once(onceFlag, [] { |
| PropertyRegistry::registerProperty<SVGNames::xAttr, &SVGFilterPrimitiveStandardAttributes::m_x>(); |
| PropertyRegistry::registerProperty<SVGNames::yAttr, &SVGFilterPrimitiveStandardAttributes::m_y>(); |
| PropertyRegistry::registerProperty<SVGNames::widthAttr, &SVGFilterPrimitiveStandardAttributes::m_width>(); |
| PropertyRegistry::registerProperty<SVGNames::heightAttr, &SVGFilterPrimitiveStandardAttributes::m_height>(); |
| PropertyRegistry::registerProperty<SVGNames::resultAttr, &SVGFilterPrimitiveStandardAttributes::m_result>(); |
| }); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::parseAttribute(const QualifiedName& name, const AtomString& value) |
| { |
| 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)); |
| else if (name == SVGNames::resultAttr) |
| m_result->setBaseValInternal(value); |
| |
| reportAttributeParsingError(parseError, name, value); |
| |
| SVGElement::parseAttribute(name, value); |
| } |
| |
| bool SVGFilterPrimitiveStandardAttributes::setFilterEffectAttribute(FilterEffect*, const QualifiedName&) |
| { |
| // When all filters support this method, it will be changed to a pure virtual method. |
| ASSERT_NOT_REACHED(); |
| return false; |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(const QualifiedName& attrName) |
| { |
| if (PropertyRegistry::isKnownAttribute(attrName)) { |
| InstanceInvalidationGuard guard(*this); |
| invalidate(); |
| return; |
| } |
| |
| SVGElement::svgAttributeChanged(attrName); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::childrenChanged(const ChildChange& change) |
| { |
| SVGElement::childrenChanged(change); |
| |
| if (change.source == ChildChangeSource::Parser) |
| return; |
| invalidate(); |
| } |
| |
| void SVGFilterPrimitiveStandardAttributes::setStandardAttributes(FilterEffect* filterEffect) const |
| { |
| ASSERT(filterEffect); |
| if (!filterEffect) |
| return; |
| |
| if (hasAttribute(SVGNames::xAttr)) |
| filterEffect->setHasX(true); |
| if (hasAttribute(SVGNames::yAttr)) |
| filterEffect->setHasY(true); |
| if (hasAttribute(SVGNames::widthAttr)) |
| filterEffect->setHasWidth(true); |
| if (hasAttribute(SVGNames::heightAttr)) |
| filterEffect->setHasHeight(true); |
| } |
| |
| RenderPtr<RenderElement> SVGFilterPrimitiveStandardAttributes::createElementRenderer(RenderStyle&& style, const RenderTreePosition&) |
| { |
| return createRenderer<RenderSVGResourceFilterPrimitive>(*this, WTFMove(style)); |
| } |
| |
| bool SVGFilterPrimitiveStandardAttributes::rendererIsNeeded(const RenderStyle& style) |
| { |
| if (parentNode() && (parentNode()->hasTagName(SVGNames::filterTag))) |
| return SVGElement::rendererIsNeeded(style); |
| |
| return false; |
| } |
| |
| void invalidateFilterPrimitiveParent(SVGElement* element) |
| { |
| if (!element) |
| return; |
| |
| auto parent = makeRefPtr(element->parentNode()); |
| |
| if (!parent) |
| return; |
| |
| RenderElement* renderer = parent->renderer(); |
| if (!renderer || !renderer->isSVGResourceFilterPrimitive()) |
| return; |
| |
| RenderSVGResource::markForLayoutAndParentResourceInvalidation(*renderer, false); |
| } |
| |
| } |