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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7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
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12 * in the documentation and/or other materials provided with the
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15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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29 */
30
31#ifndef SVGAnimatedNumberOptionalNumber_h
32#define SVGAnimatedNumberOptionalNumber_h
33
34#include "core/svg/SVGAnimatedNumber.h"
35#include "core/svg/SVGNumberOptionalNumber.h"
36
37namespace blink {
38
39// SVG Spec: http://www.w3.org/TR/SVG11/types.html <number-optional-number>
40// Unlike other SVGAnimated* class, this class is not exposed to Javascript directly,
41// while DOM attribute and SMIL animations operate on this class.
42// From Javascript, the two SVGAnimatedNumbers |firstNumber| and |secondNumber| are used.
43// For example, see SVGFEDropShadowElement::stdDeviation{X,Y}()
44class SVGAnimatedNumberOptionalNumber : public SVGAnimatedPropertyCommon<SVGNumberOptionalNumber> {
45public:
46    static PassRefPtr<SVGAnimatedNumberOptionalNumber> create(SVGElement* contextElement, const QualifiedName& attributeName, float initialFirstValue = 0, float initialSecondValue = 0)
47    {
48        return adoptRef(new SVGAnimatedNumberOptionalNumber(contextElement, attributeName, initialFirstValue, initialSecondValue));
49    }
50
51    virtual void setAnimatedValue(PassRefPtr<SVGPropertyBase>) OVERRIDE;
52    virtual bool needsSynchronizeAttribute() OVERRIDE;
53    virtual void animationEnded() OVERRIDE;
54
55    SVGAnimatedNumber* firstNumber() { return m_firstNumber.get(); }
56    SVGAnimatedNumber* secondNumber() { return m_secondNumber.get(); }
57
58protected:
59    SVGAnimatedNumberOptionalNumber(SVGElement* contextElement, const QualifiedName& attributeName, float initialFirstValue, float initialSecondValue);
60
61    RefPtr<SVGAnimatedNumber> m_firstNumber;
62    RefPtr<SVGAnimatedNumber> m_secondNumber;
63};
64
65} // namespace blink
66
67#endif // SVGAnimatedNumberOptionalNumber_h
68