Add svgAttributeChanged function to SVGFEComponentTransferElement class

Source/core/svg/SVGFEComponentTransferElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2007 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005 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 30 matching lines @@
 }
 
 DEFINE_TRACE(SVGFEComponentTransferElement)
 {
     visitor->trace(m_in1);
     SVGFilterPrimitiveStandardAttributes::trace(visitor);
 }
 
 DEFINE_NODE_FACTORY(SVGFEComponentTransferElement)
 
+void SVGFEComponentTransferElement::svgAttributeChanged(const QualifiedName& attrName)

[fs, 2015/03/31 08:25:50]

Please put this method after isSupportedAttribute.

+{
+    if (!isSupportedAttribute(attrName)) {
+        SVGFilterPrimitiveStandardAttributes::svgAttributeChanged(attrName);
+        return;
+    }
+

[fs, 2015/03/31 08:25:50]

Add

SVGElement::InvalidationGuard invalidationGuard(this);

here.

+    if (attrName == SVGNames::inAttr) {
+        invalidate();
+        return;
+    }
+}

[fs, 2015/03/31 08:25:50]

ASSERT_NOT_REACHED()

+
 bool SVGFEComponentTransferElement::isSupportedAttribute(const QualifiedName& attrName)
 {
     DEFINE_STATIC_LOCAL(HashSet<QualifiedName>, supportedAttributes, ());
     if (supportedAttributes.isEmpty())
         supportedAttributes.add(SVGNames::inAttr);
     return supportedAttributes.contains<SVGAttributeHashTranslator>(attrName);
 }
 
 PassRefPtrWillBeRawPtr<FilterEffect> SVGFEComponentTransferElement::build(SVGFilterBuilder* filterBuilder, Filter* filter)
 {
@@ skipping 17 matching lines @@
         else if (isSVGFEFuncAElement(*element))
             alpha = toSVGFEFuncAElement(*element).transferFunction();
     }
 
     RefPtrWillBeRawPtr<FilterEffect> effect = FEComponentTransfer::create(filter, red, green, blue, alpha);
     effect->inputEffects().append(input1);
     return effect.release();
 }
 
 }