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/*
* Copyright (C) 2018-2021 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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.
*/
#pragma once
#include "SVGAttributeAnimator.h"
namespace WebCore {
class SVGElement;
template<typename AnimatedProperty, typename AnimationFunction>
class SVGAnimatedPropertyAnimator : public SVGAttributeAnimator {
public:
using AnimatorAnimatedProperty = AnimatedProperty;
template<typename... Arguments>
SVGAnimatedPropertyAnimator(const QualifiedName& attributeName, Ref<AnimatedProperty>& animated, Arguments&&... arguments)
: SVGAttributeAnimator(attributeName)
, m_animated(animated.copyRef())
, m_function(std::forward<Arguments>(arguments)...)
{
}
void appendAnimatedInstance(Ref<AnimatedProperty>& animated)
{
m_animatedInstances.append(animated.copyRef());
}
bool isDiscrete() const override { return m_function.isDiscrete(); }
void setFromAndToValues(SVGElement& targetElement, const String& from, const String& to) override
{
m_function.setFromAndToValues(targetElement, from, to);
}
void setFromAndByValues(SVGElement& targetElement, const String& from, const String& by) override
{
m_function.setFromAndByValues(targetElement, from, by);
}
void setToAtEndOfDurationValue(const String& toAtEndOfDuration) override
{
m_function.setToAtEndOfDurationValue(toAtEndOfDuration);
}
void start(SVGElement&) override
{
m_animated->startAnimation(*this);
for (auto& instance : m_animatedInstances)
instance->instanceStartAnimation(*this, m_animated);
}
void apply(SVGElement& targetElement) override
{
if (isAnimatedStylePropertyAnimator(targetElement))
applyAnimatedStylePropertyChange(targetElement, m_animated->animValAsString());
applyAnimatedPropertyChange(targetElement);
}
void stop(SVGElement& targetElement) override
{
if (!m_animated->isAnimating())
return;
applyAnimatedPropertyChange(targetElement);
if (isAnimatedStylePropertyAnimator(targetElement))
removeAnimatedStyleProperty(targetElement);
m_animated->stopAnimation(*this);
for (auto& instance : m_animatedInstances)
instance->instanceStopAnimation(*this);
}
std::optional<float> calculateDistance(SVGElement& targetElement, const String& from, const String& to) const override
{
return m_function.calculateDistance(targetElement, from, to);
}
protected:
Ref<AnimatedProperty> m_animated;
Vector<Ref<AnimatedProperty>> m_animatedInstances;
AnimationFunction m_function;
};
} // namespace WebCore
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