Have SVGTextContentElement inherit SVGGraphicsElement

Source/core/svg/SVGTextElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2008 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.
  */
 
 #include "config.h"
 
 #include "core/svg/SVGTextElement.h"
 
 #include "SVGNames.h"
 #include "core/dom/NodeRenderingContext.h"
-#include "core/platform/graphics/FloatRect.h"
-#include "core/platform/graphics/transforms/AffineTransform.h"
 #include "core/rendering/svg/RenderSVGResource.h"
 #include "core/rendering/svg/RenderSVGText.h"
 #include "core/svg/SVGElementInstance.h"
 
 namespace WebCore {
 
-// Animated property definitions
-DEFINE_ANIMATED_TRANSFORM_LIST(SVGTextElement, SVGNames::transformAttr, Transform, transform)
-
-BEGIN_REGISTER_ANIMATED_PROPERTIES(SVGTextElement)
-    REGISTER_LOCAL_ANIMATED_PROPERTY(transform)
-    REGISTER_PARENT_ANIMATED_PROPERTIES(SVGTextPositioningElement)
-END_REGISTER_ANIMATED_PROPERTIES
-
 inline SVGTextElement::SVGTextElement(const QualifiedName& tagName, Document* doc)
     : SVGTextPositioningElement(tagName, doc)
 {
     ASSERT(hasTagName(SVGNames::textTag));
     ScriptWrappable::init(this);
-    registerAnimatedPropertiesForSVGTextElement();
 }
 
 PassRefPtr<SVGTextElement> SVGTextElement::create(const QualifiedName& tagName, Document* document)
 {
     return adoptRef(new SVGTextElement(tagName, document));
 }
 
-bool SVGTextElement::isSupportedAttribute(const QualifiedName& attrName)
-{
-    DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
-    if (supportedAttributes.isEmpty())
-        supportedAttributes.add(SVGNames::transformAttr);
-    return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
-}
-
-void SVGTextElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
-{
-    if (!isSupportedAttribute(name)) {
-        SVGTextPositioningElement::parseAttribute(name, value);
-        return;
-    }
-
-    if (name == SVGNames::transformAttr) {
-        SVGTransformList newList;
-        newList.parse(value);
-        detachAnimatedTransformListWrappers(newList.size());
-        setTransformBaseValue(newList);
-        return;
-    }
-
-    ASSERT_NOT_REACHED();
-}
-
-SVGElement* SVGTextElement::nearestViewportElement() const
-{
-    return SVGTransformable::nearestViewportElement(this);
-}
-
-SVGElement* SVGTextElement::farthestViewportElement() const
-{
-    return SVGTransformable::farthestViewportElement(this);
-}
-
-FloatRect SVGTextElement::getBBox(StyleUpdateStrategy styleUpdateStrategy)
-{
-    return SVGTransformable::getBBox(this, styleUpdateStrategy);
-}
-
-AffineTransform SVGTextElement::getCTM(StyleUpdateStrategy styleUpdateStrategy)
-{
-    return SVGLocatable::computeCTM(this, SVGLocatable::NearestViewportScope, styleUpdateStrategy);
-}
-
-AffineTransform SVGTextElement::getScreenCTM(StyleUpdateStrategy styleUpdateStrategy)
-{
-    return SVGLocatable::computeCTM(this, SVGLocatable::ScreenScope, styleUpdateStrategy);
-}
-
+// We override SVGGraphics::animatedLocalTransform() so that the transform-origin
+// is not taken into account.
 AffineTransform SVGTextElement::animatedLocalTransform() const
 {
     AffineTransform matrix;
     RenderStyle* style = renderer() ? renderer()->style() : 0;
 
     // if CSS property was set, use that, otherwise fallback to attribute (if set)
     if (style && style->hasTransform()) {
         TransformationMatrix t;
         // For now, the transform-origin is not taken into account
         // Also, any percentage values will not be taken into account
         style->applyTransform(t, IntSize(0, 0), RenderStyle::ExcludeTransformOrigin);
         // Flatten any 3D transform
         matrix = t.toAffineTransform();
     } else
         transform().concatenate(matrix);
 
-    if (m_supplementalTransform)
-        return *m_supplementalTransform * matrix;
+    const AffineTransform* transform = const_cast<SVGTextElement*>(this)->supplementalTransform();
+    if (transform)
+        return *transform * matrix;
     return matrix;
 }
 
-AffineTransform* SVGTextElement::supplementalTransform()
-{
-    if (!m_supplementalTransform)
-        m_supplementalTransform = adoptPtr(new AffineTransform);
-    return m_supplementalTransform.get();
-}
-
 RenderObject* SVGTextElement::createRenderer(RenderStyle*)
 {
     return new (document()->renderArena()) RenderSVGText(this);
 }
 
 bool SVGTextElement::childShouldCreateRenderer(const NodeRenderingContext& childContext) const
 {
     if (childContext.node()->isTextNode()
         || childContext.node()->hasTagName(SVGNames::aTag)
 #if ENABLE(SVG_FONTS)
         || childContext.node()->hasTagName(SVGNames::altGlyphTag)
 #endif
         || childContext.node()->hasTagName(SVGNames::textPathTag)
         || childContext.node()->hasTagName(SVGNames::trefTag)
         || childContext.node()->hasTagName(SVGNames::tspanTag))
         return true;
 
     return false;
 }
 
-void SVGTextElement::svgAttributeChanged(const QualifiedName& attrName)
-{
-    if (!isSupportedAttribute(attrName)) {
-        SVGTextPositioningElement::svgAttributeChanged(attrName);
-        return;
-    }
-
-    SVGElementInstance::InvalidationGuard invalidationGuard(this);
-
-    RenderObject* renderer = this->renderer();
-    if (!renderer)
-        return;
-
-    if (attrName == SVGNames::transformAttr) {
-        renderer->setNeedsTransformUpdate();
-        RenderSVGResource::markForLayoutAndParentResourceInvalidation(renderer);
-        return;
-    }
-
-    ASSERT_NOT_REACHED();
 }
-
-}