114 lines
4.7 KiB
C++
114 lines
4.7 KiB
C++
/*
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* Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
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* Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
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* Copyright (C) 2015-2018 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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#pragma once
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#include "CachedResourceHandle.h"
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#include "CachedSVGDocumentClient.h"
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#include "SVGGraphicsElement.h"
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#include "SVGURIReference.h"
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namespace WebCore {
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class CachedSVGDocument;
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class SVGGElement;
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class SVGUseElement final : public SVGGraphicsElement, public SVGURIReference, private CachedSVGDocumentClient {
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WTF_MAKE_ISO_ALLOCATED(SVGUseElement);
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public:
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static Ref<SVGUseElement> create(const QualifiedName&, Document&);
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virtual ~SVGUseElement();
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void invalidateShadowTree();
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bool shadowTreeNeedsUpdate() const { return m_shadowTreeNeedsUpdate; }
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void updateShadowTree();
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RenderElement* rendererClipChild() const;
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const SVGLengthValue& x() const { return m_x->currentValue(); }
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const SVGLengthValue& y() const { return m_y->currentValue(); }
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const SVGLengthValue& width() const { return m_width->currentValue(); }
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const SVGLengthValue& height() const { return m_height->currentValue(); }
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SVGAnimatedLength& xAnimated() { return m_x; }
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SVGAnimatedLength& yAnimated() { return m_y; }
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SVGAnimatedLength& widthAnimated() { return m_width; }
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SVGAnimatedLength& heightAnimated() { return m_height; }
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private:
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SVGUseElement(const QualifiedName&, Document&);
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InsertedIntoAncestorResult insertedIntoAncestor(InsertionType, ContainerNode&) override;
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void didFinishInsertingNode() final;
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void removedFromAncestor(RemovalType, ContainerNode&) override;
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void buildPendingResource() override;
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using PropertyRegistry = SVGPropertyOwnerRegistry<SVGUseElement, SVGGraphicsElement, SVGURIReference>;
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const SVGPropertyRegistry& propertyRegistry() const final { return m_propertyRegistry; }
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void parseAttribute(const QualifiedName&, const AtomString&) override;
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void svgAttributeChanged(const QualifiedName&) override;
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RenderPtr<RenderElement> createElementRenderer(RenderStyle&&, const RenderTreePosition&) override;
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Path toClipPath() override;
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bool selfHasRelativeLengths() const override;
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void notifyFinished(CachedResource&, const NetworkLoadMetrics&) final;
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Document* externalDocument() const;
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void updateExternalDocument();
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SVGElement* findTarget(String* targetID = nullptr) const;
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void cloneTarget(ContainerNode&, SVGElement& target) const;
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RefPtr<SVGElement> targetClone() const;
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void expandUseElementsInShadowTree() const;
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void expandSymbolElementsInShadowTree() const;
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void transferEventListenersToShadowTree() const;
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void transferSizeAttributesToTargetClone(SVGElement&) const;
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void clearShadowTree();
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void invalidateDependentShadowTrees();
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bool haveLoadedRequiredResources() override { return SVGURIReference::haveLoadedRequiredResources(); }
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void setHaveFiredLoadEvent(bool haveFiredLoadEvent) override { m_haveFiredLoadEvent = haveFiredLoadEvent; }
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bool haveFiredLoadEvent() const override { return m_haveFiredLoadEvent; }
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void setErrorOccurred(bool errorOccurred) override { m_errorOccurred = errorOccurred; }
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bool errorOccurred() const override { return m_errorOccurred; }
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Timer* loadEventTimer() override { return &m_loadEventTimer; }
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bool isValid() const override { return SVGTests::isValid(); }
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PropertyRegistry m_propertyRegistry { *this };
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Ref<SVGAnimatedLength> m_x { SVGAnimatedLength::create(this, SVGLengthMode::Width) };
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Ref<SVGAnimatedLength> m_y { SVGAnimatedLength::create(this, SVGLengthMode::Height) };
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Ref<SVGAnimatedLength> m_width { SVGAnimatedLength::create(this, SVGLengthMode::Width) };
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Ref<SVGAnimatedLength> m_height { SVGAnimatedLength::create(this, SVGLengthMode::Height) };
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bool m_haveFiredLoadEvent { false };
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bool m_errorOccurred { false };
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bool m_shadowTreeNeedsUpdate { true };
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CachedResourceHandle<CachedSVGDocument> m_externalDocument;
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Timer m_loadEventTimer;
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};
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}
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