Add composition support for SVG Web Animation of x, y, dx, dy attributes

third_party/WebKit/Source/core/animation/StringKeyframe.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/animation/StringKeyframe.h"
 
 #include "core/XLinkNames.h"
 #include "core/animation/CSSColorInterpolationType.h"
 #include "core/animation/CSSFontWeightInterpolationType.h"
 #include "core/animation/CSSImageInterpolationType.h"
@@ skipping 10 matching lines @@
 #include "core/animation/DefaultSVGInterpolation.h"
 #include "core/animation/DeferredLegacyStyleInterpolation.h"
 #include "core/animation/DoubleStyleInterpolation.h"
 #include "core/animation/FilterStyleInterpolation.h"
 #include "core/animation/ImageSliceStyleInterpolation.h"
 #include "core/animation/InterpolationType.h"
 #include "core/animation/InvalidatableInterpolation.h"
 #include "core/animation/LegacyStyleInterpolation.h"
 #include "core/animation/LengthBoxStyleInterpolation.h"
 #include "core/animation/LengthPairStyleInterpolation.h"
-#include "core/animation/LengthSVGInterpolation.h"
 #include "core/animation/LengthStyleInterpolation.h"
-#include "core/animation/ListSVGInterpolation.h"
 #include "core/animation/ListStyleInterpolation.h"
 #include "core/animation/SVGAngleInterpolationType.h"
 #include "core/animation/SVGIntegerInterpolationType.h"
 #include "core/animation/SVGIntegerOptionalIntegerInterpolationType.h"
 #include "core/animation/SVGLengthInterpolationType.h"
+#include "core/animation/SVGLengthListInterpolationType.h"
 #include "core/animation/SVGNumberInterpolationType.h"
 #include "core/animation/SVGNumberListInterpolationType.h"
 #include "core/animation/SVGNumberOptionalNumberInterpolationType.h"
 #include "core/animation/SVGPathInterpolationType.h"
 #include "core/animation/SVGPointListInterpolationType.h"
 #include "core/animation/SVGRectInterpolationType.h"
 #include "core/animation/SVGTransformListInterpolationType.h"
 #include "core/animation/SVGValueInterpolationType.h"
 #include "core/animation/VisibilityStyleInterpolation.h"
 #include "core/animation/css/CSSAnimations.h"
@@ skipping 243 matching lines @@
             || attribute == SVGNames::markerHeightAttr
             || attribute == SVGNames::markerWidthAttr
             || attribute == SVGNames::rAttr
             || attribute == SVGNames::refXAttr
             || attribute == SVGNames::refYAttr
             || attribute == SVGNames::rxAttr
             || attribute == SVGNames::ryAttr
             || attribute == SVGNames::startOffsetAttr
             || attribute == SVGNames::textLengthAttr
             || attribute == SVGNames::widthAttr
-            || attribute == SVGNames::xAttr
             || attribute == SVGNames::x1Attr
             || attribute == SVGNames::x2Attr
             || attribute == SVGNames::y1Attr
             || attribute == SVGNames::y2Attr) {
             applicableTypes->append(adoptPtr(new SVGLengthInterpolationType(attribute)));
+        } else if (attribute == SVGNames::dxAttr
+            || attribute == SVGNames::dyAttr) {
+            applicableTypes->append(adoptPtr(new SVGNumberInterpolationType(attribute)));
+            applicableTypes->append(adoptPtr(new SVGLengthListInterpolationType(attribute)));
+        } else if (attribute == SVGNames::xAttr
+            || attribute == SVGNames::yAttr) {
+            applicableTypes->append(adoptPtr(new SVGLengthInterpolationType(attribute)));
+            applicableTypes->append(adoptPtr(new SVGLengthListInterpolationType(attribute)));
         } else if (attribute == SVGNames::amplitudeAttr
             || attribute == SVGNames::azimuthAttr
             || attribute == SVGNames::biasAttr
             || attribute == SVGNames::diffuseConstantAttr
             || attribute == SVGNames::divisorAttr
             || attribute == SVGNames::elevationAttr
             || attribute == SVGNames::exponentAttr
             || attribute == SVGNames::interceptAttr
             || attribute == SVGNames::k1Attr
             || attribute == SVGNames::k2Attr
@@ skipping 277 matching lines @@
     return adoptPtr(new SVGPropertySpecificKeyframe(offset, easing, String(), EffectModel::CompositeAdd));
 }
 
 namespace {
 
 PassRefPtr<Interpolation> createSVGInterpolation(SVGPropertyBase* fromValue, SVGPropertyBase* toValue, SVGAnimatedPropertyBase* attribute)
 {
     RefPtr<Interpolation> interpolation = nullptr;
     ASSERT(fromValue->type() == toValue->type());
     switch (fromValue->type()) {
-    case AnimatedLengthList:
-        interpolation = ListSVGInterpolation<LengthSVGInterpolation>::maybeCreate(fromValue, toValue, attribute);
-        break;
-
     // Handled by SVGInterpolationTypes.
     case AnimatedAngle:
     case AnimatedInteger:
     case AnimatedIntegerOptionalInteger:
     case AnimatedLength:
+    case AnimatedLengthList:
     case AnimatedNumber:
     case AnimatedNumberList:
     case AnimatedNumberOptionalNumber:
     case AnimatedPath:
     case AnimatedPoints:
     case AnimatedRect:
     case AnimatedTransformList:
         ASSERT_NOT_REACHED();
         // Fallthrough.
 
@@ skipping 22 matching lines @@
     RefPtrWillBeRawPtr<SVGPropertyBase> fromValue = attribute->currentValueBase()->cloneForAnimation(m_value);
     RefPtrWillBeRawPtr<SVGPropertyBase> toValue = attribute->currentValueBase()->cloneForAnimation(toSVGPropertySpecificKeyframe(end).value());
 
     if (!fromValue || !toValue)
         return nullptr;
 
     return createSVGInterpolation(fromValue.get(), toValue.get(), attribute);
 }
 
 } // namespace blink