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/*
* Copyright (C) 2007-2023 Apple Inc. All rights reserved.
* Copyright (C) 2012, 2013 Adobe Systems Incorporated. All rights reserved.
* Copyright (C) 2025 Sam Weinig. 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.
* 3. Neither the name of Apple Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 <wtf/FastMalloc.h>
#include <wtf/Noncopyable.h>
namespace WebCore {
class RenderStyle;
enum class CompositeOperation : uint8_t;
enum CSSPropertyID : uint16_t;
namespace Style::Interpolation {
struct Context;
DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(Animation);
class WrapperBase {
WTF_MAKE_NONCOPYABLE(WrapperBase);
WTF_DEPRECATED_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(Animation, WrapperBase);
public:
explicit WrapperBase(CSSPropertyID property)
: m_property(property)
{
}
virtual ~WrapperBase() = default;
CSSPropertyID property() const { return m_property; }
virtual bool equals(const RenderStyle&, const RenderStyle&) const = 0;
virtual bool canInterpolate(const RenderStyle&, const RenderStyle&, CompositeOperation) const { return true; }
virtual bool requiresInterpolationForAccumulativeIteration(const RenderStyle&, const RenderStyle&) const { return false; }
virtual void interpolate(RenderStyle&, const RenderStyle&, const RenderStyle&, const Context&) const = 0;
#if !LOG_DISABLED
virtual void log(const RenderStyle&, const RenderStyle&, const RenderStyle&, double) const = 0;
#endif
private:
CSSPropertyID m_property;
};
} // namespace Style::Interpolation
} // namespace WebCore
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