text: /*
   * Copyright (C) 2014 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ANIMATED_INTEGER_OPTIONAL_INTEGER_H_
  #define THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ANIMATED_INTEGER_OPTIONAL_INTEGER_H_
  
  #include "third_party/blink/renderer/core/svg/svg_animated_integer.h"
  #include "third_party/blink/renderer/core/svg/svg_integer_optional_integer.h"
  #include "third_party/blink/renderer/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 GarbageCollectedFinalized<SVGAnimatedIntegerOptionalInteger>,
        public SVGAnimatedPropertyCommon<SVGIntegerOptionalInteger> {
    USING_GARBAGE_COLLECTED_MIXIN(SVGAnimatedIntegerOptionalInteger);
  
   public:
    static SVGAnimatedIntegerOptionalInteger* Create(
        SVGElement* context_element,
        const QualifiedName& attribute_name,
        float initial_first_value = 0,
        float initial_second_value = 0) {
      return new SVGAnimatedIntegerOptionalInteger(
          context_element, attribute_name, initial_first_value,
          initial_second_value);
    }
  
    void SetAnimatedValue(SVGPropertyBase*) override;
    bool NeedsSynchronizeAttribute() override;
    void AnimationEnded() override;
  
    SVGAnimatedInteger* FirstInteger() { return first_integer_.Get(); }
    SVGAnimatedInteger* SecondInteger() { return second_integer_.Get(); }
  
    void Trace(blink::Visitor*) override;
  
   protected:
    SVGAnimatedIntegerOptionalInteger(SVGElement* context_element,
                                      const QualifiedName& attribute_name,
                                      float initial_first_value,
                                      float initial_second_value);
  
    Member<SVGAnimatedInteger> first_integer_;
    Member<SVGAnimatedInteger> second_integer_;
  };
  
  }  // namespace blink
  
  #endif  // THIRD_PARTY_BLINK_RENDERER_CORE_SVG_SVG_ANIMATED_INTEGER_OPTIONAL_INTEGER_H_
  