Added support of calc() for SVGLength

third_party/WebKit/Source/core/svg/SVGLengthList.cpp

 /*
  * Copyright (C) 2004, 2005, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006 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 56 matching lines @@
 
     return builder.toString();
 }
 
 template <typename CharType>
 SVGParsingError SVGLengthList::parseInternal(const CharType*& ptr, const CharType* end)
 {
     const CharType* listStart = ptr;
     while (ptr < end) {
         const CharType* start = ptr;
+        // TODO(shanmuga.m): Enable calc for SVGLengthList
         while (ptr < end && *ptr != ',' && !isHTMLSpace<CharType>(*ptr))
             ptr++;
         if (ptr == start)
             break;
         String valueString(start, ptr - start);
         if (valueString.isEmpty())
             break;
 
         SVGLength* length = SVGLength::create(m_mode);
         SVGParsingError lengthParseStatus = length->setValueAsString(valueString);
@@ skipping 49 matching lines @@
     ASSERT(m_mode == SVGLength::lengthModeForAnimatedLengthAttribute(animationElement->attributeName()));
 
     size_t fromLengthListSize = fromList->length();
     size_t toLengthListSize = toList->length();
     size_t toAtEndOfDurationListSize = toAtEndOfDurationList->length();
 
     if (!adjustFromToListValues(fromList, toList, percentage, animationElement->getAnimationMode()))
         return;
 
     for (size_t i = 0; i < toLengthListSize; ++i) {
+        // TODO(shanmuga.m): Support calc for SVGLengthList animation
         float animatedNumber = at(i)->value(lengthContext);
         CSSPrimitiveValue::UnitType unitType = toList->at(i)->typeWithCalcResolved();
         float effectiveFrom = 0;
         if (fromLengthListSize) {
             if (percentage < 0.5)
                 unitType = fromList->at(i)->typeWithCalcResolved();
             effectiveFrom = fromList->at(i)->value(lengthContext);
         }
         float effectiveTo = toList->at(i)->value(lengthContext);
         float effectiveToAtEnd = i < toAtEndOfDurationListSize ? toAtEndOfDurationList->at(i)->value(lengthContext) : 0;
 
         animationElement->animateAdditiveNumber(percentage, repeatCount, effectiveFrom, effectiveTo, effectiveToAtEnd, animatedNumber);
         at(i)->setUnitType(unitType);
         at(i)->setValue(animatedNumber, lengthContext);
     }
 }
 
 float SVGLengthList::calculateDistance(SVGPropertyBase* to, SVGElement*)
 {
     // FIXME: Distance calculation is not possible for SVGLengthList right now. We need the distance for every single value.
     return -1;
 }
 } // namespace blink