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/*
* Copyright (C) 2021-2023 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "SVGNames.h"
#include <wtf/RobinHoodHashMap.h>
#include <wtf/TZoneMalloc.h>
#include <wtf/text/AtomString.h>
#include <wtf/text/AtomStringHash.h>
namespace WebCore {
class CSSSVGResourceElementClient;
class Document;
class LegacyRenderSVGResourceClipper;
class LegacyRenderSVGResourceContainer;
class QualifiedName;
class ReferenceFilterOperation;
class ReferencePathOperation;
class RenderElement;
class RenderSVGResourceFilter;
class RenderStyle;
class SVGClipPathElement;
class SVGElement;
class SVGFilterElement;
class SVGMarkerElement;
class SVGMaskElement;
class StyleImage;
class TreeScope;
class ReferencedSVGResources {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(ReferencedSVGResources);
public:
ReferencedSVGResources(RenderElement&);
~ReferencedSVGResources();
using SVGQualifiedNames = Vector<SVGQualifiedName>;
using SVGElementIdentifierAndTagPairs = Vector<std::pair<AtomString, SVGQualifiedNames>>;
static SVGElementIdentifierAndTagPairs referencedSVGResourceIDs(const RenderStyle&, const Document&);
void updateReferencedResources(TreeScope&, const SVGElementIdentifierAndTagPairs&);
// Legacy: Clipping needs a renderer, filters use an element.
static LegacyRenderSVGResourceClipper* referencedClipperRenderer(TreeScope&, const ReferencePathOperation&);
static RefPtr<SVGFilterElement> referencedFilterElement(TreeScope&, const ReferenceFilterOperation&);
static LegacyRenderSVGResourceContainer* referencedRenderResource(TreeScope&, const AtomString& fragment);
// LBSE: All element based.
static RefPtr<SVGClipPathElement> referencedClipPathElement(TreeScope&, const ReferencePathOperation&);
static RefPtr<SVGMarkerElement> referencedMarkerElement(TreeScope&, const String&);
static RefPtr<SVGMaskElement> referencedMaskElement(TreeScope&, const StyleImage&);
static RefPtr<SVGMaskElement> referencedMaskElement(TreeScope&, const AtomString&);
static RefPtr<SVGElement> referencedPaintServerElement(TreeScope&, const String&);
private:
static RefPtr<SVGElement> elementForResourceID(TreeScope&, const AtomString& resourceID, const SVGQualifiedName& tagName);
static RefPtr<SVGElement> elementForResourceIDs(TreeScope&, const AtomString& resourceID, const SVGQualifiedNames& tagNames);
void addClientForTarget(SVGElement& targetElement, const AtomString&);
void removeClientForTarget(TreeScope&, const AtomString&);
CheckedRef<RenderElement> m_renderer;
MemoryCompactRobinHoodHashMap<AtomString, std::unique_ptr<CSSSVGResourceElementClient>> m_elementClients;
};
} // namespace WebCore
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