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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/StyleLengthWrapper.h>
#include <WebCore/StyleValueTypes.h>
#include <WebCore/WebAnimationTypes.h>
namespace WebCore {
class CSSPrimitiveValue;
class CSSValuePair;
namespace Style {
// <single-view-timeline-inset-item> = [ [ auto | <length-percentage> ]{1,2} ]
struct ViewTimelineInsetItem {
struct Length : LengthWrapperBase<LengthPercentage<>, CSS::Keyword::Auto> {
using Base::Base;
bool isAuto() const { return holdsAlternative<CSS::Keyword::Auto>(); }
};
MinimallySerializingSpaceSeparatedPair<Length> value;
ViewTimelineInsetItem(CSS::Keyword::Auto keyword)
: value { Length { keyword }, Length { keyword } }
{
}
ViewTimelineInsetItem(Length&& length)
: value { length, length }
{
}
ViewTimelineInsetItem(Length&& first, Length&& second)
: value { WTFMove(first), WTFMove(second) }
{
}
const Length& start() const { return value.first(); }
const Length& end() const { return value.second(); }
bool operator==(const ViewTimelineInsetItem&) const = default;
};
DEFINE_TYPE_WRAPPER_GET(ViewTimelineInsetItem, value);
// <view-timeline-inset-list> = <single-view-timeline-inset-item>#
using ViewTimelineInsetList = CommaSeparatedFixedVector<ViewTimelineInsetItem>;
// Default value for <'view-timeline-inset'> is 'auto'.
struct ViewTimelineInsetDefaulter {
auto operator()() const -> const ViewTimelineInsetItem&;
bool operator==(const ViewTimelineInsetDefaulter&) const = default;
};
// <'view-timeline-inset'> = <view-timeline-inset-list>
// https://drafts.csswg.org/scroll-animations-1/#propdef-view-timeline-inset
struct ViewTimelineInsets : ListOrDefault<ViewTimelineInsetList, ViewTimelineInsetDefaulter> {
using ListOrDefault<ViewTimelineInsetList, ViewTimelineInsetDefaulter>::ListOrDefault;
// Special constructor for use constructing initial 'auto' value.
ViewTimelineInsets(CSS::Keyword::Auto)
: ListOrDefault { DefaultValue }
{
}
};
// MARK: - Conversion
template<> struct CSSValueConversion<ViewTimelineInsetItem> {
auto operator()(BuilderState&, const CSSValue&) -> ViewTimelineInsetItem;
auto operator()(BuilderState&, const CSSPrimitiveValue&) -> ViewTimelineInsetItem;
auto operator()(BuilderState&, const CSSValuePair&) -> ViewTimelineInsetItem;
};
template<> struct CSSValueConversion<ViewTimelineInsets> { auto operator()(BuilderState&, const CSSValue&) -> ViewTimelineInsets; };
} // namespace Style
} // namespace WebCore
DEFINE_RANGE_LIKE_CONFORMANCE_FOR_LIST_OR_DEFAULT_DERIVED_TYPE(WebCore::Style::ViewTimelineInsets)
DEFINE_VARIANT_LIKE_CONFORMANCE(WebCore::Style::ViewTimelineInsetItem::Length)
DEFINE_TUPLE_LIKE_CONFORMANCE_FOR_TYPE_WRAPPER(WebCore::Style::ViewTimelineInsetItem)
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