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author | Upstream <upstream-import@none> | 1970-01-12 13:46:40 +0000 |
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committer | Upstream <upstream-import@none> | 1970-01-12 13:46:40 +0000 |
commit | d8543bb6618c17b12da906afa77d216f58cf4058 (patch) | |
tree | c58dc05ed86825bd0ef8d305d58c8205106b540f /WebCore/svg/SVGUseElement.h | |
download | external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.zip external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.tar.gz external_webkit-d8543bb6618c17b12da906afa77d216f58cf4058.tar.bz2 |
external/webkit r30707
Diffstat (limited to 'WebCore/svg/SVGUseElement.h')
-rw-r--r-- | WebCore/svg/SVGUseElement.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/WebCore/svg/SVGUseElement.h b/WebCore/svg/SVGUseElement.h new file mode 100644 index 0000000..e307a8ec --- /dev/null +++ b/WebCore/svg/SVGUseElement.h @@ -0,0 +1,116 @@ +/* + 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; + + protected: + virtual const SVGElement* contextElement() const { return this; } + + private: + ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGExternalResourcesRequired, bool, ExternalResourcesRequired, externalResourcesRequired) + ANIMATED_PROPERTY_FORWARD_DECLARATIONS(SVGURIReference, String, Href, href) + + ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGLength, SVGLength, X, x) + ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGLength, SVGLength, Y, y) + ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGLength, SVGLength, Width, width) + ANIMATED_PROPERTY_DECLARATIONS(SVGUseElement, SVGLength, SVGLength, Height, height) + + private: + friend class SVGElement; + SVGElementInstance* instanceForShadowTreeElement(Node* element) const; + + private: + // Instance tree handling + void buildInstanceTree(SVGElement* target, SVGElementInstance* targetInstance, bool& foundCycle); + void handleDeepUseReferencing(SVGElement* use, SVGElementInstance* targetInstance, bool& foundCycle); + + // Shadow tree handling + PassRefPtr<SVGSVGElement> buildShadowTreeForSymbolTag(SVGElement* target, SVGElementInstance* targetInstance); + void alterShadowTreeForSVGTag(SVGElement* target); + void removeDisallowedElementsFromSubtree(Node* element); + + 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; + + RefPtr<SVGElement> m_shadowTreeRootElement; + RefPtr<SVGElementInstance> m_targetElementInstance; + }; + +} // namespace WebCore + +#endif // ENABLE(SVG) +#endif |