Source/core/svg/SVGAnimatedIntegerOptionalInteger.h

/*
 * 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 SVGAnimatedIntegerOptionalInteger_h
#define SVGAnimatedIntegerOptionalInteger_h

#include "core/svg/SVGAnimatedInteger.h"
#include "core/svg/SVGIntegerOptionalInteger.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 PassRefPtr<SVGAnimatedIntegerOptionalInteger> create(SVGElement* contextElement, const QualifiedName& attributeName, float initialFirstValue = 0, float initialSecondValue = 0)
    {
        return adoptRef(new SVGAnimatedIntegerOptionalInteger(contextElement, attributeName, initialFirstValue, initialSecondValue));
    }

    virtual void setAnimatedValue(PassRefPtr<SVGPropertyBase>) OVERRIDE;
    virtual bool needsSynchronizeAttribute() OVERRIDE;
    virtual void animationEnded() OVERRIDE;

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

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

    RefPtr<SVGAnimatedInteger> m_firstInteger;
    RefPtr<SVGAnimatedInteger> m_secondInteger;
};

} // namespace blink

#endif // SVGAnimatedIntegerOptionalInteger_h