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

   1 /*
   2  * Copyright (C) 2014 Google Inc. All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are
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   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
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  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
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  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef SVGAnimatedNumberOptionalNumber_h
  32 #define SVGAnimatedNumberOptionalNumber_h
  33
  34 #include "core/svg/SVGAnimatedNumber.h"
  35 #include "core/svg/SVGNumberOptionalNumber.h"
  36 #include "platform/heap/Handle.h"
  37
  38 namespace blink {
  39
  40 // SVG Spec: http://www.w3.org/TR/SVG11/types.html <number-optional-number>
  41 // Unlike other SVGAnimated* class, this class is not exposed to Javascript directly,
  42 // while DOM attribute and SMIL animations operate on this class.
  43 // From Javascript, the two SVGAnimatedNumbers |firstNumber| and |secondNumber| are used.
  44 // For example, see SVGFEDropShadowElement::stdDeviation{X,Y}()
  45 class SVGAnimatedNumberOptionalNumber : public SVGAnimatedPropertyCommon<SVGNumberOptionalNumber> {
  46 public:
  47     static PassRefPtrWillBeRawPtr<SVGAnimatedNumberOptionalNumber> create(SVGElement* contextElement, const QualifiedName& attributeName, float initialFirstValue = 0, float initialSecondValue = 0)
  48     {
  49         return adoptRefWillBeNoop(new SVGAnimatedNumberOptionalNumber(contextElement, attributeName, initialFirstValue, initialSecondValue));
  50     }
  51
  52     void setAnimatedValue(PassRefPtrWillBeRawPtr<SVGPropertyBase>) override;
  53     bool needsSynchronizeAttribute() override;
  54     void animationEnded() override;
  55
  56     SVGAnimatedNumber* firstNumber() { return m_firstNumber.get(); }
  57     SVGAnimatedNumber* secondNumber() { return m_secondNumber.get(); }
  58
  59     DECLARE_VIRTUAL_TRACE();
  60
  61 protected:
  62     SVGAnimatedNumberOptionalNumber(SVGElement* contextElement, const QualifiedName& attributeName, float initialFirstValue, float initialSecondValue);
  63
  64     RefPtrWillBeMember<SVGAnimatedNumber> m_firstNumber;
  65     RefPtrWillBeMember<SVGAnimatedNumber> m_secondNumber;
  66 };
  67
  68 } // namespace blink
  69
  70 #endif // SVGAnimatedNumberOptionalNumber_h