/* | |
Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org> | |
2004, 2005, 2006, 2007 Rob Buis <buis@kde.org> | |
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 SVGShadowTreeRootElement; | |
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 svgAttributeChanged(const QualifiedName&); | |
virtual void synchronizeProperty(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; | |
void invalidateShadowTree(); | |
private: | |
friend class RenderSVGShadowTreeRootContainer; | |
bool isPendingResource() const { return m_isPendingResource; } | |
void buildShadowAndInstanceTree(SVGShadowTreeRootElement*); | |
private: | |
virtual bool hasRelativeValues() const; | |
DECLARE_ANIMATED_PROPERTY(SVGUseElement, SVGNames::xAttr, SVGLength, X, x) | |
DECLARE_ANIMATED_PROPERTY(SVGUseElement, SVGNames::yAttr, SVGLength, Y, y) | |
DECLARE_ANIMATED_PROPERTY(SVGUseElement, SVGNames::widthAttr, SVGLength, Width, width) | |
DECLARE_ANIMATED_PROPERTY(SVGUseElement, SVGNames::heightAttr, SVGLength, Height, height) | |
// SVGURIReference | |
DECLARE_ANIMATED_PROPERTY(SVGUseElement, XLinkNames::hrefAttr, String, Href, href) | |
// SVGExternalResourcesRequired | |
DECLARE_ANIMATED_PROPERTY(SVGUseElement, SVGNames::externalResourcesRequiredAttr, bool, ExternalResourcesRequired, externalResourcesRequired) | |
private: | |
// Instance tree handling | |
void buildInstanceTree(SVGElement* target, SVGElementInstance* targetInstance, bool& foundCycle); | |
void handleDeepUseReferencing(SVGUseElement* use, SVGElementInstance* targetInstance, bool& foundCycle); | |
// Shadow tree handling | |
void buildShadowTree(SVGShadowTreeRootElement*, SVGElement* target, SVGElementInstance* targetInstance); | |
#if ENABLE(SVG) && ENABLE(SVG_USE) | |
void expandUseElementsInShadowTree(SVGShadowTreeRootElement*, Node* element); | |
void expandSymbolElementsInShadowTree(SVGShadowTreeRootElement*, Node* element); | |
#endif | |
// "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); | |
void updateContainerOffsets(); | |
void updateContainerSizes(); | |
bool m_isPendingResource; | |
bool m_needsShadowTreeRecreation; | |
String m_resourceId; | |
RefPtr<SVGElementInstance> m_targetElementInstance; | |
}; | |
} | |
#endif | |
#endif |