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