SVGAnimatedPropertyTearOff.h [plain text]
#pragma once
#include "SVGAnimatedProperty.h"
#include "SVGPropertyTearOff.h"
namespace WebCore {
template<typename T>
class SVGAnimatedPropertyTearOff final : public SVGAnimatedProperty {
public:
using PropertyTearOff = T;
using PropertyType = typename PropertyTearOff::PropertyType;
using ContentType = PropertyType;
static Ref<SVGAnimatedPropertyTearOff<PropertyTearOff>> create(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, PropertyType& property)
{
ASSERT(contextElement);
return adoptRef(*new SVGAnimatedPropertyTearOff<PropertyTearOff>(contextElement, attributeName, animatedPropertyType, property));
}
Ref<PropertyTearOff> baseVal()
{
if (m_baseVal)
return *m_baseVal;
auto property = PropertyTearOff::create(*this, BaseValRole, m_property);
m_baseVal = property.ptr();
return property;
}
Ref<PropertyTearOff> animVal()
{
if (m_animVal)
return *m_animVal;
auto property = PropertyTearOff::create(*this, AnimValRole, m_property);
m_animVal = property.ptr();
return property;
}
bool isAnimating() const final { return m_animatedProperty; }
void propertyWillBeDeleted(const SVGProperty& property) final
{
if (&property == m_baseVal)
m_baseVal = nullptr;
else if (&property == m_animVal)
m_animVal = nullptr;
}
PropertyType& currentAnimatedValue()
{
ASSERT(isAnimating());
return m_animatedProperty->propertyReference();
}
const PropertyType& currentBaseValue() const
{
return m_property;
}
void animationStarted(PropertyType* newAnimVal)
{
ASSERT(!isAnimating());
ASSERT(newAnimVal);
m_animatedProperty = animVal();
m_animatedProperty->setValue(*newAnimVal);
}
void animationEnded()
{
ASSERT(isAnimating());
m_animatedProperty->setValue(m_property);
m_animatedProperty = nullptr;
}
void animValWillChange()
{
ASSERT(isAnimating());
}
void animValDidChange()
{
ASSERT(isAnimating());
}
private:
SVGAnimatedPropertyTearOff(SVGElement* contextElement, const QualifiedName& attributeName, AnimatedPropertyType animatedPropertyType, PropertyType& property)
: SVGAnimatedProperty(contextElement, attributeName, animatedPropertyType)
, m_property(property)
{
}
PropertyType& m_property;
PropertyTearOff* m_baseVal { nullptr };
PropertyTearOff* m_animVal { nullptr };
RefPtr<PropertyTearOff> m_animatedProperty;
};
}