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

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#include "core/svg/SVGNumberOptionalNumber.h"

#include "core/svg/SVGAnimationElement.h"
#include "core/svg/SVGParserUtilities.h"

namespace blink {

SVGNumberOptionalNumber::SVGNumberOptionalNumber(SVGNumber* firstNumber,
                                                 SVGNumber* secondNumber)
    : m_firstNumber(firstNumber), m_secondNumber(secondNumber) {}

DEFINE_TRACE(SVGNumberOptionalNumber) {
  visitor->trace(m_firstNumber);
  visitor->trace(m_secondNumber);
  SVGPropertyBase::trace(visitor);
}

SVGNumberOptionalNumber* SVGNumberOptionalNumber::clone() const {
  return SVGNumberOptionalNumber::create(m_firstNumber->clone(),
                                         m_secondNumber->clone());
}

SVGPropertyBase* SVGNumberOptionalNumber::cloneForAnimation(
    const String& value) const {
  float x, y;
  if (!parseNumberOptionalNumber(value, x, y)) {
    x = y = 0;
  }

  return SVGNumberOptionalNumber::create(SVGNumber::create(x),
                                         SVGNumber::create(y));
}

String SVGNumberOptionalNumber::valueAsString() const {
  if (m_firstNumber->value() == m_secondNumber->value()) {
    return String::number(m_firstNumber->value());
  }

  return String::number(m_firstNumber->value()) + " " +
         String::number(m_secondNumber->value());
}

SVGParsingError SVGNumberOptionalNumber::setValueAsString(const String& value) {
  float x, y;
  SVGParsingError parseStatus;
  if (!parseNumberOptionalNumber(value, x, y)) {
    parseStatus = SVGParseStatus::ExpectedNumber;
    x = y = 0;
  }

  m_firstNumber->setValue(x);
  m_secondNumber->setValue(y);
  return parseStatus;
}

void SVGNumberOptionalNumber::add(SVGPropertyBase* other, SVGElement*) {
  SVGNumberOptionalNumber* otherNumberOptionalNumber =
      toSVGNumberOptionalNumber(other);

  m_firstNumber->setValue(m_firstNumber->value() +
                          otherNumberOptionalNumber->m_firstNumber->value());
  m_secondNumber->setValue(m_secondNumber->value() +
                           otherNumberOptionalNumber->m_secondNumber->value());
}

void SVGNumberOptionalNumber::calculateAnimatedValue(
    SVGAnimationElement* animationElement,
    float percentage,
    unsigned repeatCount,
    SVGPropertyBase* from,
    SVGPropertyBase* to,
    SVGPropertyBase* toAtEndOfDuration,
    SVGElement*) {
  ASSERT(animationElement);

  SVGNumberOptionalNumber* fromNumber = toSVGNumberOptionalNumber(from);
  SVGNumberOptionalNumber* toNumber = toSVGNumberOptionalNumber(to);
  SVGNumberOptionalNumber* toAtEndOfDurationNumber =
      toSVGNumberOptionalNumber(toAtEndOfDuration);

  float x = m_firstNumber->value();
  float y = m_secondNumber->value();
  animationElement->animateAdditiveNumber(
      percentage, repeatCount, fromNumber->firstNumber()->value(),
      toNumber->firstNumber()->value(),
      toAtEndOfDurationNumber->firstNumber()->value(), x);
  animationElement->animateAdditiveNumber(
      percentage, repeatCount, fromNumber->secondNumber()->value(),
      toNumber->secondNumber()->value(),
      toAtEndOfDurationNumber->secondNumber()->value(), y);
  m_firstNumber->setValue(x);
  m_secondNumber->setValue(y);
}

float SVGNumberOptionalNumber::calculateDistance(SVGPropertyBase* other,
                                                 SVGElement*) {
  // FIXME: Distance calculation is not possible for SVGNumberOptionalNumber
  // right now. We need the distance for every single value.
  return -1;
}

}  // namespace blink