Web Animations: Support animation of SVG number attributes

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 "config.h"
 #include "core/animation/StringKeyframe.h"
 
 #include "core/animation/AngleSVGInterpolation.h"
 #include "core/animation/ColorStyleInterpolation.h"
 #include "core/animation/CompositorAnimations.h"
 #include "core/animation/ConstantStyleInterpolation.h"
 #include "core/animation/DefaultSVGInterpolation.h"
 #include "core/animation/DeferredLegacyStyleInterpolation.h"
 #include "core/animation/DoubleStyleInterpolation.h"
 #include "core/animation/ImageSliceStyleInterpolation.h"
 #include "core/animation/ImageStyleInterpolation.h"
 #include "core/animation/IntegerOptionalIntegerSVGInterpolation.h"
 #include "core/animation/LegacyStyleInterpolation.h"
 #include "core/animation/LengthBoxStyleInterpolation.h"
 #include "core/animation/LengthPairStyleInterpolation.h"
 #include "core/animation/LengthStyleInterpolation.h"
 #include "core/animation/ListSVGInterpolation.h"
 #include "core/animation/ListStyleInterpolation.h"
+#include "core/animation/NumberSVGInterpolation.h"
 #include "core/animation/PointSVGInterpolation.h"
 #include "core/animation/RectSVGInterpolation.h"
 #include "core/animation/SVGStrokeDasharrayStyleInterpolation.h"
 #include "core/animation/ShadowStyleInterpolation.h"
 #include "core/animation/VisibilityStyleInterpolation.h"
 #include "core/animation/css/CSSAnimations.h"
 #include "core/css/CSSPropertyMetadata.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/style/ComputedStyle.h"
 #include "core/svg/SVGElement.h"
@@ skipping 439 matching lines @@
 
 PassRefPtrWillBeRawPtr<Interpolation> createSVGInterpolation(SVGPropertyBase* fromValue, SVGPropertyBase* toValue, SVGAnimatedPropertyBase* attribute)
 {
     RefPtrWillBeRawPtr<Interpolation> interpolation = nullptr;
     ASSERT(fromValue->type() == toValue->type());
     switch (fromValue->type()) {
     case AnimatedAngle:
         if (AngleSVGInterpolation::canCreateFrom(fromValue) && AngleSVGInterpolation::canCreateFrom(toValue))
             return AngleSVGInterpolation::create(fromValue, toValue, attribute);
         break;
-    case AnimatedIntegerOptionalInteger:
-        return IntegerOptionalIntegerSVGInterpolation::create(fromValue, toValue, attribute);
+    case AnimatedIntegerOptionalInteger: {
+        int min = &attribute->attributeName() == &SVGNames::orderAttr ? 1 : 0;
+        return IntegerOptionalIntegerSVGInterpolation::create(fromValue, toValue, attribute, min);
+    }
+    case AnimatedNumber: {
+        SVGNumberNegativeValuesMode negativeValuesMode = &attribute->attributeName() == &SVGNames::pathLengthAttr ? ForbidNegativeNumbers : AllowNegativeNumbers;
+        return NumberSVGInterpolation::create(fromValue, toValue, attribute, negativeValuesMode);
+    }
+    case AnimatedNumberList:
+        interpolation = ListSVGInterpolation<NumberSVGInterpolation>::maybeCreate(fromValue, toValue, attribute);
+        break;
     case AnimatedPoints:
         interpolation = ListSVGInterpolation<PointSVGInterpolation>::maybeCreate(fromValue, toValue, attribute);
         break;
     case AnimatedRect:
         return RectSVGInterpolation::create(fromValue, toValue, attribute);
 
     // TODO(ericwilligers): Support more animation types.
     default:
         break;
     }
@@ skipping 14 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.get());
 }
 
 }