mirror of
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120 lines
4.7 KiB
C++
120 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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2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
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This file is part of the KDE project
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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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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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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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#ifndef SVGUseElement_h
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#define SVGUseElement_h
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#if ENABLE(SVG)
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#include "SVGExternalResourcesRequired.h"
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#include "SVGLangSpace.h"
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#include "SVGStyledTransformableElement.h"
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#include "SVGTests.h"
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#include "SVGURIReference.h"
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namespace WebCore {
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class SVGElementInstance;
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class SVGLength;
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class SVGUseElement : public SVGStyledTransformableElement,
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public SVGTests,
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public SVGLangSpace,
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public SVGExternalResourcesRequired,
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public SVGURIReference {
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public:
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SVGUseElement(const QualifiedName&, Document*);
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virtual ~SVGUseElement();
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SVGElementInstance* instanceRoot() const;
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SVGElementInstance* animatedInstanceRoot() const;
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virtual bool isValid() const { return SVGTests::isValid(); }
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virtual void insertedIntoDocument();
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virtual void removedFromDocument();
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virtual void buildPendingResource();
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virtual void parseMappedAttribute(MappedAttribute*);
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using DOM::NodeImpl::childrenChanged;
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virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
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virtual void svgAttributeChanged(const QualifiedName&);
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virtual void recalcStyle(StyleChange = NoChange);
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virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
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virtual void attach();
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virtual void detach();
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virtual Path toClipPath() const;
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static void removeDisallowedElementsFromSubtree(Node* element);
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// KHTML ElementImpl pure virtual method
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virtual quint32 id() const { return SVGNames::useTag.id(); }
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protected:
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virtual const SVGElement* contextElement() const { return this; }
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private:
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ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGExternalResourcesRequired, bool, ExternalResourcesRequired, externalResourcesRequired)
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ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGURIReference, String, Href, href)
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ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGLength, SVGLength, X, x)
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ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGLength, SVGLength, Y, y)
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ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGLength, SVGLength, Width, width)
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ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGLength, SVGLength, Height, height)
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private:
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friend class SVGElement;
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SVGElementInstance* instanceForShadowTreeElement(Node* element) const;
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private:
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// Instance tree handling
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void buildInstanceTree(SVGElement* target, SVGElementInstance* targetInstance, bool& foundCycle);
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void handleDeepUseReferencing(SVGElement* use, SVGElementInstance* targetInstance, bool& foundCycle);
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// Shadow tree handling
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PassRefPtr<SVGSVGElement> buildShadowTreeForSymbolTag(SVGElement* target, SVGElementInstance* targetInstance);
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void alterShadowTreeForSVGTag(SVGElement* target);
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void buildShadowTree(SVGElement* target, SVGElementInstance* targetInstance);
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#if ENABLE(SVG) && ENABLE(SVG_USE)
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void expandUseElementsInShadowTree(Node* element);
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void expandSymbolElementsInShadowTree(Node* element);
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#endif
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void attachShadowTree();
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// "Tree connector"
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void associateInstancesWithShadowTreeElements(Node* target, SVGElementInstance* targetInstance);
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SVGElementInstance* instanceForShadowTreeElement(Node* element, SVGElementInstance* instance) const;
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void transferUseAttributesToReplacedElement(SVGElement* from, SVGElement* to) const;
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RefPtr<SVGElement> m_shadowTreeRootElement;
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RefPtr<SVGElementInstance> m_targetElementInstance;
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};
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} // namespace WebCore
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#endif // ENABLE(SVG)
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#endif
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