third_party/WebKit/Source/core/svg/SVGAnimatedIntegerOptionalInteger.h

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#ifndef SVGAnimatedIntegerOptionalInteger_h
#define SVGAnimatedIntegerOptionalInteger_h

#include "core/svg/SVGAnimatedInteger.h"
#include "core/svg/SVGIntegerOptionalInteger.h"
#include "platform/heap/Handle.h"

namespace blink {

// SVG Spec: http://www.w3.org/TR/SVG11/types.html <number-optional-number>
// Unlike other SVGAnimated* class, this class is not exposed to Javascript
// directly, while DOM attribute and SMIL animations operate on this class.
// From Javascript, the two SVGAnimatedIntegers |firstInteger| and
// |secondInteger| are used.
// For example, see SVGFEDropShadowElement::stdDeviation{X,Y}()
class SVGAnimatedIntegerOptionalInteger
    : public SVGAnimatedPropertyCommon<SVGIntegerOptionalInteger> {
 public:
  static SVGAnimatedIntegerOptionalInteger* create(
      SVGElement* contextElement,
      const QualifiedName& attributeName,
      float initialFirstValue = 0,
      float initialSecondValue = 0) {
    return new SVGAnimatedIntegerOptionalInteger(
        contextElement, attributeName, initialFirstValue, initialSecondValue);
  }

  void setAnimatedValue(SVGPropertyBase*) override;
  bool needsSynchronizeAttribute() override;
  void animationEnded() override;

  SVGAnimatedInteger* firstInteger() { return m_firstInteger.get(); }
  SVGAnimatedInteger* secondInteger() { return m_secondInteger.get(); }

  DECLARE_VIRTUAL_TRACE();

 protected:
  SVGAnimatedIntegerOptionalInteger(SVGElement* contextElement,
                                    const QualifiedName& attributeName,
                                    float initialFirstValue,
                                    float initialSecondValue);

  Member<SVGAnimatedInteger> m_firstInteger;
  Member<SVGAnimatedInteger> m_secondInteger;
};

}  // namespace blink

#endif  // SVGAnimatedIntegerOptionalInteger_h