[svg2] Make 'cx', 'cy' and 'r' presentation attributes

Source/core/svg/SVGCircleElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 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,
@@ skipping 45 matching lines @@
         supportedAttributes.add(SVGNames::rAttr);
     }
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
 void SVGCircleElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     parseAttributeNew(name, value);
 }
 
+bool SVGCircleElement::isPresentationAttribute(const QualifiedName& attrName) const
+{
+    if (attrName == SVGNames::cxAttr || attrName == SVGNames::cyAttr
+        || attrName == SVGNames::rAttr)
+        return true;
+    return SVGGeometryElement::isPresentationAttribute(attrName);
+}
+
+bool SVGCircleElement::isPresentationAttributeWithSVGDOM(const QualifiedName& attrName) const
+{
+    if (attrName == SVGNames::cxAttr || attrName == SVGNames::cyAttr
+        || attrName == SVGNames::rAttr)
+        return true;
+    return SVGGeometryElement::isPresentationAttributeWithSVGDOM(attrName);
+}
+
+void SVGCircleElement::collectStyleForPresentationAttribute(const QualifiedName& name, const AtomicString& value, MutableStylePropertySet* style)
+{
+    RefPtrWillBeRawPtr<SVGAnimatedPropertyBase> property = propertyFromAttribute(name);
+    if (property == m_cx)
+        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyCx, *m_cx->currentValue());
+    else if (property == m_cy)
+        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyCy, *m_cy->currentValue());
+    else if (property == m_r)
+        addSVGLengthPropertyToPresentationAttributeStyle(style, CSSPropertyR, *m_r->currentValue());
+    else
+        SVGGeometryElement::collectStyleForPresentationAttribute(name, value, style);
+}
+
 void SVGCircleElement::svgAttributeChanged(const QualifiedName& attrName)
 {
     if (!isSupportedAttribute(attrName)) {
         SVGGeometryElement::svgAttributeChanged(attrName);
         return;
     }
 
     SVGElement::InvalidationGuard invalidationGuard(this);
 
-    bool isLengthAttribute = attrName == SVGNames::cxAttr
-                          || attrName == SVGNames::cyAttr
-                          || attrName == SVGNames::rAttr;
-
-    if (isLengthAttribute)
-        updateRelativeLengthsInformation();
+    invalidateSVGPresentationAttributeStyle();
+    setNeedsStyleRecalc(LocalStyleChange,
+        StyleChangeReasonForTracing::fromAttribute(attrName));
+    updateRelativeLengthsInformation();
 
     LayoutSVGShape* renderer = toLayoutSVGShape(this->layoutObject());
     if (!renderer)
         return;
 
-    if (isLengthAttribute) {
-        renderer->setNeedsShapeUpdate();
-        markForLayoutAndParentResourceInvalidation(renderer);
-        return;
-    }
-
-    ASSERT_NOT_REACHED();
+    renderer->setNeedsShapeUpdate();
+    markForLayoutAndParentResourceInvalidation(renderer);
 }
 
 bool SVGCircleElement::selfHasRelativeLengths() const
 {
     return m_cx->currentValue()->isRelative()
         || m_cy->currentValue()->isRelative()
         || m_r->currentValue()->isRelative();
 }
 
 LayoutObject* SVGCircleElement::createLayoutObject(const LayoutStyle&)
 {
     return new LayoutSVGEllipse(this);
 }
 
 }