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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:41 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:41 -0800
commit648161bb0edfc3d43db63caed5cc5213bc6cb78f (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /WebCore/svg/SVGUseElement.h
parenta65af38181ac7d34544586bdb5cd004de93897ad (diff)
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diff --git a/WebCore/svg/SVGUseElement.h b/WebCore/svg/SVGUseElement.h
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-/*
- Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
- 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
-
- This file is part of the KDE project
-
- 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
-
-#if ENABLE(SVG)
-#include "SVGExternalResourcesRequired.h"
-#include "SVGLangSpace.h"
-#include "SVGStyledTransformableElement.h"
-#include "SVGTests.h"
-#include "SVGURIReference.h"
-
-namespace WebCore {
-
- class SVGElementInstance;
- class SVGLength;
-
- class SVGUseElement : public SVGStyledTransformableElement,
- public SVGTests,
- public SVGLangSpace,
- public SVGExternalResourcesRequired,
- public SVGURIReference {
- public:
- SVGUseElement(const QualifiedName&, Document*);
- virtual ~SVGUseElement();
-
- SVGElementInstance* instanceRoot() const;
- SVGElementInstance* animatedInstanceRoot() const;
-
- virtual bool isValid() const { return SVGTests::isValid(); }
-
- virtual void insertedIntoDocument();
- virtual void removedFromDocument();
- virtual void buildPendingResource();
-
- virtual void parseMappedAttribute(MappedAttribute*);
- virtual void childrenChanged(bool changedByParser = false, Node* beforeChange = 0, Node* afterChange = 0, int childCountDelta = 0);
-
- virtual void svgAttributeChanged(const QualifiedName&);
- virtual void recalcStyle(StyleChange = NoChange);
-
- virtual RenderObject* createRenderer(RenderArena*, RenderStyle*);
- virtual void attach();
- virtual void detach();
-
- virtual Path toClipPath() const;
-
- static void removeDisallowedElementsFromSubtree(Node* element);
- SVGElementInstance* instanceForShadowTreeElement(Node* element) const;
-
- protected:
- virtual const SVGElement* contextElement() const { return this; }
-
- private:
- ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGNames::useTagString, SVGNames::xAttrString, SVGLength, X, x)
- ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGNames::useTagString, SVGNames::yAttrString, SVGLength, Y, y)
- ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGNames::useTagString, SVGNames::widthAttrString, SVGLength, Width, width)
- ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGNames::useTagString, SVGNames::heightAttrString, SVGLength, Height, height)
-
- private:
- // Instance tree handling
- void buildInstanceTree(SVGElement* target, SVGElementInstance* targetInstance, bool& foundCycle);
- void handleDeepUseReferencing(SVGUseElement* use, SVGElementInstance* targetInstance, bool& foundCycle);
-
- // Shadow tree handling
- PassRefPtr<SVGSVGElement> buildShadowTreeForSymbolTag(SVGElement* target, SVGElementInstance* targetInstance);
- void alterShadowTreeForSVGTag(SVGElement* target);
-
- void buildShadowTree(SVGElement* target, SVGElementInstance* targetInstance);
-
-#if ENABLE(SVG) && ENABLE(SVG_USE)
- void expandUseElementsInShadowTree(Node* element);
- void expandSymbolElementsInShadowTree(Node* element);
-#endif
-
- void attachShadowTree();
-
- // "Tree connector"
- void associateInstancesWithShadowTreeElements(Node* target, SVGElementInstance* targetInstance);
- SVGElementInstance* instanceForShadowTreeElement(Node* element, SVGElementInstance* instance) const;
-
- void transferUseAttributesToReplacedElement(SVGElement* from, SVGElement* to) const;
- void transferEventListenersToShadowTree(SVGElementInstance* target);
-
- RefPtr<SVGElement> m_shadowTreeRootElement;
- RefPtr<SVGElementInstance> m_targetElementInstance;
- };
-
-} // namespace WebCore
-
-#endif // ENABLE(SVG)
-#endif