Make 'transform' a presentation attribute on SVG elements

third_party/WebKit/Source/core/svg/SVGGradientElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * 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.
  */
 
 #include "core/svg/SVGGradientElement.h"
 
 #include "core/dom/Attribute.h"
 #include "core/dom/ElementTraversal.h"
+#include "core/dom/StyleChangeReason.h"
 #include "core/layout/svg/LayoutSVGResourceContainer.h"
 #include "core/svg/SVGStopElement.h"
 #include "core/svg/SVGTransformList.h"
 
 namespace blink {
 
 template <>
 const SVGEnumerationStringEntries&
 getStaticStringEntries<SVGSpreadMethodType>() {
   DEFINE_STATIC_LOCAL(SVGEnumerationStringEntries, entries, ());
   if (entries.isEmpty()) {
     entries.append(std::make_pair(SVGSpreadMethodPad, "pad"));
     entries.append(std::make_pair(SVGSpreadMethodReflect, "reflect"));
     entries.append(std::make_pair(SVGSpreadMethodRepeat, "repeat"));
   }
   return entries;
 }
 
 SVGGradientElement::SVGGradientElement(const QualifiedName& tagName,
                                        Document& document)
     : SVGElement(tagName, document),
       SVGURIReference(this),
       m_gradientTransform(
           SVGAnimatedTransformList::create(this,
-                                           SVGNames::gradientTransformAttr)),
+                                           SVGNames::gradientTransformAttr,
+                                           CSSPropertyTransform)),
       m_spreadMethod(SVGAnimatedEnumeration<SVGSpreadMethodType>::create(
           this,
           SVGNames::spreadMethodAttr,
           SVGSpreadMethodPad)),
       m_gradientUnits(SVGAnimatedEnumeration<SVGUnitTypes::SVGUnitType>::create(
           this,
           SVGNames::gradientUnitsAttr,
           SVGUnitTypes::kSvgUnitTypeObjectboundingbox)) {
   addToPropertyMap(m_gradientTransform);
   addToPropertyMap(m_spreadMethod);
   addToPropertyMap(m_gradientUnits);
 }
 
 DEFINE_TRACE(SVGGradientElement) {
   visitor->trace(m_gradientTransform);
   visitor->trace(m_spreadMethod);
   visitor->trace(m_gradientUnits);
   SVGElement::trace(visitor);
   SVGURIReference::trace(visitor);
 }
 
+void SVGGradientElement::collectStyleForPresentationAttribute(
+    const QualifiedName& name,
+    const AtomicString& value,
+    MutableStylePropertySet* style) {
+  if (name == SVGNames::gradientTransformAttr) {
+    addPropertyToPresentationAttributeStyle(
+        style, CSSPropertyTransform,
+        m_gradientTransform->currentValue()->cssValue());
+    return;
+  }
+  SVGElement::collectStyleForPresentationAttribute(name, value, style);
+}
+
 void SVGGradientElement::svgAttributeChanged(const QualifiedName& attrName) {
+  if (attrName == SVGNames::gradientTransformAttr) {
+    invalidateSVGPresentationAttributeStyle();
+    setNeedsStyleRecalc(LocalStyleChange,
+                        StyleChangeReasonForTracing::fromAttribute(attrName));
+  }
+
   if (attrName == SVGNames::gradientUnitsAttr ||
       attrName == SVGNames::gradientTransformAttr ||
       attrName == SVGNames::spreadMethodAttr ||
       SVGURIReference::isKnownAttribute(attrName)) {
     SVGElement::InvalidationGuard invalidationGuard(this);
 
     LayoutSVGResourceContainer* layoutObject =
         toLayoutSVGResourceContainer(this->layoutObject());
     if (layoutObject)
       layoutObject->invalidateCacheAndMarkForLayout();
@@ skipping 25 matching lines @@
     float offset = stop.offset()->currentValue()->value();
     offset = std::min(std::max(previousOffset, offset), 1.0f);
     previousOffset = offset;
 
     stops.append(Gradient::ColorStop(offset, stop.stopColorIncludingOpacity()));
   }
   return stops;
 }
 
 }  // namespace blink