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

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#include "core/svg/SVGEnumeration.h"

#include "core/svg/SVGAnimationElement.h"

namespace blink {

DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGEnumerationBase);

SVGEnumerationBase::~SVGEnumerationBase() {}

SVGPropertyBase* SVGEnumerationBase::cloneForAnimation(
    const String& value) const {
  SVGEnumerationBase* svgEnumeration = clone();
  svgEnumeration->setValueAsString(value);
  return svgEnumeration;
}

String SVGEnumerationBase::valueAsString() const {
  for (const auto& entry : m_entries) {
    if (m_value == entry.first)
      return entry.second;
  }

  ASSERT(m_value < maxInternalEnumValue());
  return emptyString();
}

void SVGEnumerationBase::setValue(unsigned short value) {
  m_value = value;
  notifyChange();
}

SVGParsingError SVGEnumerationBase::setValueAsString(const String& string) {
  for (const auto& entry : m_entries) {
    if (string == entry.second) {
      // 0 corresponds to _UNKNOWN enumeration values, and should not be
      // settable.
      ASSERT(entry.first);
      m_value = entry.first;
      notifyChange();
      return SVGParseStatus::NoError;
    }
  }

  notifyChange();
  return SVGParseStatus::ExpectedEnumeration;
}

void SVGEnumerationBase::add(SVGPropertyBase*, SVGElement*) {
  ASSERT_NOT_REACHED();
}

void SVGEnumerationBase::calculateAnimatedValue(
    SVGAnimationElement* animationElement,
    float percentage,
    unsigned repeatCount,
    SVGPropertyBase* from,
    SVGPropertyBase* to,
    SVGPropertyBase*,
    SVGElement*) {
  ASSERT(animationElement);
  unsigned short fromEnumeration =
      animationElement->getAnimationMode() == ToAnimation
          ? m_value
          : toSVGEnumerationBase(from)->value();
  unsigned short toEnumeration = toSVGEnumerationBase(to)->value();

  animationElement->animateDiscreteType<unsigned short>(
      percentage, fromEnumeration, toEnumeration, m_value);
}

float SVGEnumerationBase::calculateDistance(SVGPropertyBase*, SVGElement*) {
  // No paced animations for boolean.
  return -1;
}

}  // namespace blink