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/*
* Copyright (C) 2025 Samuel Weinig <sam@webkit.org>
*
* 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,
* 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 <WebCore/ScopedName.h>
#include <WebCore/StyleValueTypes.h>
namespace WebCore {
namespace Style {
// <single-animation-name> = none | <keyframes-name>
// https://www.w3.org/TR/css-animations-1/#propdef-animation-name
struct SingleAnimationName {
SingleAnimationName(CSS::Keyword::None)
: m_value { ScopedName { nullAtom() } }
{
}
SingleAnimationName(ScopedName&& keyframesName)
: m_value { WTFMove(keyframesName) }
{
}
bool isNone() const { return m_value.name.isNull(); }
bool isKeyframesName() const { return !m_value.name.isNull(); }
std::optional<ScopedName> tryKeyframesName() const { return isKeyframesName() ? std::make_optional(m_value) : std::nullopt; }
template<typename... F> decltype(auto) switchOn(F&&... f) const
{
auto visitor = WTF::makeVisitor(std::forward<F>(f)...);
if (isNone())
return visitor(CSS::Keyword::None { });
return visitor(m_value);
}
bool operator==(const SingleAnimationName&) const = default;
private:
ScopedName m_value;
};
// MARK: - Conversion
template<> struct CSSValueConversion<SingleAnimationName> { auto operator()(BuilderState&, const CSSValue&) -> SingleAnimationName; };
} // namespace Style
} // namespace WebCore
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::SingleAnimationName)
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