Animation: Add template for ListStyleInterpolation

Source/core/animation/LengthStyleInterpolation.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/LengthStyleInterpolation.h"
 
 #include "core/css/CSSCalculationValue.h"
 #include "core/css/resolver/StyleBuilder.h"
 
 namespace blink {
 
 bool LengthStyleInterpolation::canCreateFrom(const CSSValue& value)
 {
     if (value.isPrimitiveValue()) {
         const CSSPrimitiveValue& primitiveValue = blink::toCSSPrimitiveValue(value);
         if (primitiveValue.cssCalcValue())
             return true;
 
         CSSPrimitiveValue::LengthUnitType type;
         // Only returns true if the type is a primitive length unit.
         return CSSPrimitiveValue::unitTypeToLengthUnitType(primitiveValue.primitiveType(), type);
     }
     return value.isCalcValue();
 }
 
-PassOwnPtrWillBeRawPtr<InterpolableValue> LengthStyleInterpolation::lengthToInterpolableValue(const CSSValue& value)
+PassOwnPtrWillBeRawPtr<InterpolableValue> LengthStyleInterpolation::toInterpolableValue(const CSSValue& value)
 {
     ASSERT(canCreateFrom(value));
     OwnPtrWillBeRawPtr<InterpolableList> listOfValuesAndTypes = InterpolableList::create(2);
     OwnPtrWillBeRawPtr<InterpolableList> listOfValues = InterpolableList::create(CSSPrimitiveValue::LengthUnitTypeCount);
     OwnPtrWillBeRawPtr<InterpolableList> listOfTypes = InterpolableList::create(CSSPrimitiveValue::LengthUnitTypeCount);
 
     const CSSPrimitiveValue& primitive = toCSSPrimitiveValue(value);
 
     CSSLengthArray arrayOfValues;
     CSSPrimitiveValue::CSSLengthTypeArray arrayOfTypes;
@@ skipping 36 matching lines @@
                 next = CSSCalcValue::createExpressionNode(CSSPrimitiveValue::create(value, toUnitType(position)));
             return constructCalcExpression(next, list, position + 1);
         }
         position++;
     }
     return previous;
 }
 
 }
 
-PassRefPtrWillBeRawPtr<CSSPrimitiveValue> LengthStyleInterpolation::interpolableValueToLength(const InterpolableValue* value, InterpolationRange range)
+PassRefPtrWillBeRawPtr<CSSPrimitiveValue> LengthStyleInterpolation::fromInterpolableValue(const InterpolableValue& value, InterpolationRange range)
 {
-    const InterpolableList* listOfValuesAndTypes = toInterpolableList(value);
+    const InterpolableList* listOfValuesAndTypes = toInterpolableList(&value);
     const InterpolableList* listOfValues = toInterpolableList(listOfValuesAndTypes->get(0));
     const InterpolableList* listOfTypes = toInterpolableList(listOfValuesAndTypes->get(1));
     unsigned unitTypeCount = 0;
     for (size_t i = 0; i < CSSPrimitiveValue::LengthUnitTypeCount; i++) {
         const InterpolableNumber* subType = toInterpolableNumber(listOfTypes->get(i));
         if (subType->value()) {
             unitTypeCount++;
         }
     }
 
@@ skipping 13 matching lines @@
         }
         ASSERT_NOT_REACHED();
     default:
         ValueRange valueRange = (range == RangeNonNegative) ? ValueRangeNonNegative : ValueRangeAll;
         return CSSPrimitiveValue::create(CSSCalcValue::create(constructCalcExpression(nullptr, listOfValuesAndTypes, 0), valueRange));
     }
 }
 
 void LengthStyleInterpolation::apply(StyleResolverState& state) const
 {
-    StyleBuilder::applyProperty(m_id, state, interpolableValueToLength(m_cachedValue.get(), m_range).get());
+    StyleBuilder::applyProperty(m_id, state, fromInterpolableValue(*m_cachedValue.get(), m_range).get());
 }
 
 void LengthStyleInterpolation::trace(Visitor* visitor)
 {
     StyleInterpolation::trace(visitor);
 }
 
 }