mirror of
https://github.com/darlinghq/darling-WebCore.git
synced 2024-11-23 12:29:39 +00:00
120 lines
4.2 KiB
C++
120 lines
4.2 KiB
C++
/*
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* Copyright (C) 2007 Eric Seidel <eric@webkit.org>
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* Copyright (C) 2009-2017 Apple Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include "config.h"
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#include "SVGFontFaceUriElement.h"
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#include "CSSFontFaceSrcValue.h"
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#include "CachedFont.h"
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#include "CachedResourceLoader.h"
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#include "CachedResourceRequest.h"
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#include "Document.h"
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#include "SVGFontFaceElement.h"
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#include "SVGNames.h"
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#include "XLinkNames.h"
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#include <wtf/IsoMallocInlines.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(SVGFontFaceUriElement);
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using namespace SVGNames;
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inline SVGFontFaceUriElement::SVGFontFaceUriElement(const QualifiedName& tagName, Document& document)
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: SVGElement(tagName, document)
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{
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ASSERT(hasTagName(font_face_uriTag));
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}
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Ref<SVGFontFaceUriElement> SVGFontFaceUriElement::create(const QualifiedName& tagName, Document& document)
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{
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return adoptRef(*new SVGFontFaceUriElement(tagName, document));
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}
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SVGFontFaceUriElement::~SVGFontFaceUriElement()
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{
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if (m_cachedFont)
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m_cachedFont->removeClient(*this);
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}
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Ref<CSSFontFaceSrcValue> SVGFontFaceUriElement::srcValue() const
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{
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auto src = CSSFontFaceSrcValue::create(getAttribute(SVGNames::hrefAttr, XLinkNames::hrefAttr), LoadedFromOpaqueSource::No);
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AtomString value(attributeWithoutSynchronization(formatAttr));
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src.get().setFormat(value.isEmpty() ? "svg" : value); // Default format
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return src;
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}
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void SVGFontFaceUriElement::parseAttribute(const QualifiedName& name, const AtomString& value)
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{
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if (name == SVGNames::hrefAttr || name == XLinkNames::hrefAttr)
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loadFont();
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else
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SVGElement::parseAttribute(name, value);
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}
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void SVGFontFaceUriElement::childrenChanged(const ChildChange& change)
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{
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SVGElement::childrenChanged(change);
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if (!parentNode() || !parentNode()->hasTagName(font_face_srcTag))
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return;
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auto grandparent = makeRefPtr(parentNode()->parentNode());
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if (grandparent && grandparent->hasTagName(font_faceTag))
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downcast<SVGFontFaceElement>(*grandparent).rebuildFontFace();
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}
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Node::InsertedIntoAncestorResult SVGFontFaceUriElement::insertedIntoAncestor(InsertionType insertionType, ContainerNode& parentOfInsertedTree)
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{
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loadFont();
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return SVGElement::insertedIntoAncestor(insertionType, parentOfInsertedTree);
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}
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static bool isSVGFontTarget(const SVGFontFaceUriElement& element)
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{
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Ref<CSSFontFaceSrcValue> srcValue(element.srcValue());
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return srcValue->isSVGFontTarget();
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}
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void SVGFontFaceUriElement::loadFont()
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{
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if (m_cachedFont)
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m_cachedFont->removeClient(*this);
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const AtomString& href = getAttribute(SVGNames::hrefAttr, XLinkNames::hrefAttr);
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if (!href.isNull()) {
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ResourceLoaderOptions options = CachedResourceLoader::defaultCachedResourceOptions();
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options.contentSecurityPolicyImposition = isInUserAgentShadowTree() ? ContentSecurityPolicyImposition::SkipPolicyCheck : ContentSecurityPolicyImposition::DoPolicyCheck;
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CachedResourceLoader& cachedResourceLoader = document().cachedResourceLoader();
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CachedResourceRequest request(ResourceRequest(document().completeURL(href)), options);
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request.setInitiator(*this);
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m_cachedFont = cachedResourceLoader.requestFont(WTFMove(request), isSVGFontTarget(*this)).value_or(nullptr);
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if (m_cachedFont) {
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m_cachedFont->addClient(*this);
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m_cachedFont->beginLoadIfNeeded(cachedResourceLoader);
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}
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} else
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m_cachedFont = nullptr;
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}
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}
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