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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 "CSSPropertyNames.h"
#include "QualifiedName.h"
#include <wtf/RefCounted.h>
#include <wtf/StdLibExtras.h>
#include <wtf/WeakPtr.h>
namespace WebCore {
class SVGElement;
enum class AnimationMode : uint8_t {
None,
FromTo,
FromBy,
To,
By,
Values,
Path
};
enum class CalcMode : uint8_t {
Discrete,
Linear,
Paced,
Spline
};
class SVGAttributeAnimator : public RefCounted<SVGAttributeAnimator>, public CanMakeWeakPtr<SVGAttributeAnimator> {
WTF_MAKE_FAST_ALLOCATED;
public:
SVGAttributeAnimator(const QualifiedName& attributeName)
: m_attributeName(attributeName)
{
}
virtual ~SVGAttributeAnimator() = default;
virtual bool isDiscrete() const { return false; }
virtual void setFromAndToValues(SVGElement&, const String&, const String&) { }
virtual void setFromAndByValues(SVGElement&, const String&, const String&) { }
virtual void setToAtEndOfDurationValue(const String&) { }
virtual void start(SVGElement&) = 0;
virtual void animate(SVGElement&, float progress, unsigned repeatCount) = 0;
virtual void apply(SVGElement&) = 0;
virtual void stop(SVGElement& targetElement) = 0;
virtual std::optional<float> calculateDistance(SVGElement&, const String&, const String&) const { return { }; }
protected:
bool isAnimatedStylePropertyAnimator(const SVGElement&) const;
static void invalidateStyle(SVGElement&);
static void applyAnimatedStylePropertyChange(SVGElement&, CSSPropertyID, const String& value);
static void removeAnimatedStyleProperty(SVGElement&, CSSPropertyID);
static void applyAnimatedPropertyChange(SVGElement&, const QualifiedName&);
void applyAnimatedStylePropertyChange(SVGElement&, const String& value);
void removeAnimatedStyleProperty(SVGElement&);
void applyAnimatedPropertyChange(SVGElement&);
const QualifiedName& m_attributeName;
};
} // namespace WebCore
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