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/*
* Copyright (C) Research In Motion Limited 2011. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include "SVGAnimatedStaticPropertyTearOff.h"
#include "SVGException.h"
#include "SVGPropertyTraits.h"
namespace WebCore {
template<typename EnumType>
class SVGAnimatedEnumerationPropertyTearOff final : public SVGAnimatedStaticPropertyTearOff<unsigned> {
public:
const unsigned& baseVal() final
{
const unsigned& baseVal = SVGAnimatedStaticPropertyTearOff::baseVal();
if (baseVal > SVGIDLEnumLimits<EnumType>::highestExposedEnumValue())
return m_outOfRangeEnumValue;
return baseVal;
}
const unsigned& animVal() final
{
const unsigned& animVal = SVGAnimatedStaticPropertyTearOff::animVal();
if (animVal > SVGIDLEnumLimits<EnumType>::highestExposedEnumValue())
return m_outOfRangeEnumValue;
return animVal;
}
ExceptionOr<void> setBaseVal(const unsigned& property) final
{
// All SVG enumeration values, that are allowed to be set via SVG DOM start with 1, 0 corresponds to unknown and is not settable through SVG DOM.
if (!property || property > SVGIDLEnumLimits<EnumType>::highestExposedEnumValue())
return Exception { SVGException::SVG_INVALID_VALUE_ERR };
return SVGAnimatedStaticPropertyTearOff<unsigned>::setBaseVal(property);
}
static Ref<SVGAnimatedEnumerationPropertyTearOff<EnumType>> create(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, EnumType& property)
{
ASSERT(contextElement);
return adoptRef(*new SVGAnimatedEnumerationPropertyTearOff<EnumType>(contextElement, attributeName, animatedPropertyType, reinterpret_cast<unsigned&>(property)));
}
EnumType& currentAnimatedValue()
{
unsigned& animatedValue = SVGAnimatedStaticPropertyTearOff<unsigned>::currentAnimatedValue();
ASSERT(animatedValue <= SVGPropertyTraits<EnumType>::highestEnumValue());
return reinterpret_cast<EnumType&>(animatedValue);
}
private:
SVGAnimatedEnumerationPropertyTearOff(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, unsigned& property)
: SVGAnimatedStaticPropertyTearOff<unsigned>(contextElement, attributeName, animatedPropertyType, property)
{
}
static unsigned m_outOfRangeEnumValue;
};
// By convention, all enum values that represent UNKNOWN in SVG are equal to zero.
template<typename EnumType>
unsigned SVGAnimatedEnumerationPropertyTearOff<EnumType>::m_outOfRangeEnumValue = 0;
} // namespace WebCore
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