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

// Copyright 2015 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/SVGNumberOptionalNumberInterpolationType.h"

#include "core/animation/InterpolationEnvironment.h"
#include "core/svg/SVGNumberOptionalNumber.h"
#include <memory>

namespace blink {

InterpolationValue
SVGNumberOptionalNumberInterpolationType::maybeConvertNeutral(
    const InterpolationValue&,
    ConversionCheckers&) const {
  std::unique_ptr<InterpolableList> result = InterpolableList::create(2);
  result->set(0, InterpolableNumber::create(0));
  result->set(1, InterpolableNumber::create(0));
  return InterpolationValue(std::move(result));
}

InterpolationValue
SVGNumberOptionalNumberInterpolationType::maybeConvertSVGValue(
    const SVGPropertyBase& svgValue) const {
  if (svgValue.type() != AnimatedNumberOptionalNumber)
    return nullptr;

  const SVGNumberOptionalNumber& numberOptionalNumber =
      toSVGNumberOptionalNumber(svgValue);
  std::unique_ptr<InterpolableList> result = InterpolableList::create(2);
  result->set(0, InterpolableNumber::create(
                     numberOptionalNumber.firstNumber()->value()));
  result->set(1, InterpolableNumber::create(
                     numberOptionalNumber.secondNumber()->value()));
  return InterpolationValue(std::move(result));
}

SVGPropertyBase* SVGNumberOptionalNumberInterpolationType::appliedSVGValue(
    const InterpolableValue& interpolableValue,
    const NonInterpolableValue*) const {
  const InterpolableList& list = toInterpolableList(interpolableValue);
  return SVGNumberOptionalNumber::create(
      SVGNumber::create(toInterpolableNumber(list.get(0))->value()),
      SVGNumber::create(toInterpolableNumber(list.get(1))->value()));
}

}  // namespace blink