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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 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.
*/
#ifndef SVGUseElement_h
#define SVGUseElement_h
#include "CachedResourceHandle.h"
#include "CachedSVGDocumentClient.h"
#include "SVGAnimatedBoolean.h"
#include "SVGAnimatedLength.h"
#include "SVGExternalResourcesRequired.h"
#include "SVGGraphicsElement.h"
#include "SVGURIReference.h"
namespace WebCore {
class CachedSVGDocument;
class SVGGElement;
class SVGUseElement final : public SVGGraphicsElement, public SVGExternalResourcesRequired, public SVGURIReference, private CachedSVGDocumentClient {
BEGIN_DECLARE_ANIMATED_PROPERTIES(SVGUseElement)
DECLARE_ANIMATED_LENGTH(X, x)
DECLARE_ANIMATED_LENGTH(Y, y)
DECLARE_ANIMATED_LENGTH(Width, width)
DECLARE_ANIMATED_LENGTH(Height, height)
DECLARE_ANIMATED_STRING_OVERRIDE(Href, href)
DECLARE_ANIMATED_BOOLEAN_OVERRIDE(ExternalResourcesRequired, externalResourcesRequired)
END_DECLARE_ANIMATED_PROPERTIES
public:
static Ref<SVGUseElement> create(const QualifiedName&, Document&);
virtual ~SVGUseElement();
void invalidateShadowTree();
RenderElement* rendererClipChild() const;
private:
SVGUseElement(const QualifiedName&, Document&);
virtual bool isValid() const override;
virtual InsertionNotificationRequest insertedInto(ContainerNode&) override;
virtual void removedFrom(ContainerNode&) override;
virtual void buildPendingResource() override;
virtual void parseAttribute(const QualifiedName&, const AtomicString&) override;
virtual void svgAttributeChanged(const QualifiedName&) override;
virtual void willAttachRenderers() override;
virtual RenderPtr<RenderElement> createElementRenderer(Ref<RenderStyle>&&, const RenderTreePosition&) override;
virtual void toClipPath(Path&) override;
virtual bool haveLoadedRequiredResources() override;
virtual void finishParsingChildren() override;
virtual bool selfHasRelativeLengths() const override;
virtual void setHaveFiredLoadEvent(bool) override;
virtual bool haveFiredLoadEvent() const override;
virtual Timer* svgLoadEventTimer() override;
virtual void notifyFinished(CachedResource*) override;
Document* externalDocument() const;
void updateExternalDocument();
SVGElement* findTarget(String* targetID = nullptr) const;
void cloneTarget(ContainerNode&, SVGElement& target) const;
SVGElement* targetClone() const;
void updateShadowTree();
void expandUseElementsInShadowTree() const;
void expandSymbolElementsInShadowTree() const;
void transferEventListenersToShadowTree() const;
void transferSizeAttributesToTargetClone(SVGElement&) const;
void clearShadowTree();
void invalidateDependentShadowTrees();
bool m_haveFiredLoadEvent { false };
bool m_shadowTreeNeedsUpdate { true };
CachedResourceHandle<CachedSVGDocument> m_externalDocument;
Timer m_svgLoadEventTimer;
};
}
#endif
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