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/*
* Copyright (C) 2024 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. 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 INC. 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 <WebCore/StyleScopeOrdinal.h>
#include <WebCore/StyleValueTypes.h>
namespace WebCore {
namespace Style {
// <'view-transition-name> = none | auto | match-element | <custom-ident excluding=none,auto,match-element>
// https://www.w3.org/TR/css-view-transitions-1/#propdef-view-transition-name
struct ViewTransitionName {
ViewTransitionName(CSS::Keyword::None keyword)
: m_value { keyword }
{
}
ViewTransitionName(CSS::Keyword::Auto keyword, ScopeOrdinal ordinal)
: m_value { keyword }
, m_scopeOrdinal { ordinal }
{
}
ViewTransitionName(CSS::Keyword::MatchElement keyword, ScopeOrdinal ordinal)
: m_value { keyword }
, m_scopeOrdinal { ordinal }
{
}
ViewTransitionName(CustomIdentifier&& customIdentifier, ScopeOrdinal ordinal)
: m_value { WTFMove(customIdentifier) }
, m_scopeOrdinal { ordinal }
{
}
bool isNone() const { return WTF::holdsAlternative<CSS::Keyword::None>(m_value); }
bool isAuto() const { return WTF::holdsAlternative<CSS::Keyword::Auto>(m_value); }
bool isMatchElement() const { return WTF::holdsAlternative<CSS::Keyword::MatchElement>(m_value); }
bool isCustomIdentifier() const { return WTF::holdsAlternative<CustomIdentifier>(m_value); }
ScopeOrdinal scopeOrdinal() const { ASSERT(!isNone()); return m_scopeOrdinal; }
template<typename... F> decltype(auto) switchOn(F&&... f) const
{
return WTF::switchOn(m_value, std::forward<F>(f)...);
}
bool operator==(const ViewTransitionName&) const = default;
private:
Variant<CSS::Keyword::None, CSS::Keyword::Auto, CSS::Keyword::MatchElement, CustomIdentifier> m_value;
ScopeOrdinal m_scopeOrdinal { ScopeOrdinal::Element };
};
// MARK: - Conversion
template<> struct CSSValueConversion<ViewTransitionName> { auto operator()(BuilderState&, const CSSValue&) -> ViewTransitionName; };
} // namespace Style
} // namespace WebCore
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::ViewTransitionName)
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