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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.
*/
#include "config.h"
#include "StyleViewTimelineInsets.h"
#include "CSSPrimitiveValue.h"
#include "CSSValueList.h"
#include "CSSValuePair.h"
#include "StyleBuilderChecking.h"
#include "StyleBuilderConverter.h"
#include "StyleExtractorSerializer.h"
#include <wtf/NeverDestroyed.h>
namespace WebCore {
namespace Style {
auto ViewTimelineInsetDefaulter::operator()() const -> const ViewTimelineInsetItem&
{
static NeverDestroyed staticValue = ViewTimelineInsetItem { WebCore::Length(WebCore::LengthType::Auto), std::nullopt };
return staticValue.get();
}
// MARK: - Conversion
auto CSSValueConversion<ViewTimelineInsetItem>::operator()(BuilderState& state, const CSSValue& value) -> ViewTimelineInsetItem
{
if (RefPtr pair = dynamicDowncast<CSSValuePair>(value))
return { BuilderConverter::convertLengthOrAuto(state, pair->first()), BuilderConverter::convertLengthOrAuto(state, pair->second()) };
if (RefPtr primitiveValue = requiredDowncast<CSSPrimitiveValue>(state, value))
return { BuilderConverter::convertLengthOrAuto(state, *primitiveValue), std::nullopt };
return { WebCore::Length(WebCore::LengthType::Auto), std::nullopt };
}
auto CSSValueConversion<ViewTimelineInsets>::operator()(BuilderState& state, const CSSValue& value) -> ViewTimelineInsets
{
if (RefPtr pair = dynamicDowncast<CSSValuePair>(value))
return { ViewTimelineInsetItem { BuilderConverter::convertLengthOrAuto(state, pair->first()), BuilderConverter::convertLengthOrAuto(state, pair->second()) } };
if (RefPtr primitiveValue = dynamicDowncast<CSSPrimitiveValue>(value))
return { ViewTimelineInsetItem { BuilderConverter::convertLengthOrAuto(state, *primitiveValue), std::nullopt } };
auto list = requiredListDowncast<CSSValueList, CSSValue>(state, value);
if (!list)
return CSS::Keyword::Auto { };
return ViewTimelineInsetList::map(*list, [&](auto& element) -> ViewTimelineInsetItem {
return toStyleFromCSSValue<ViewTimelineInsetItem>(state, element);
});
}
auto CSSValueCreation<ViewTimelineInsetItem>::operator()(CSSValuePool&, const RenderStyle& style, const ViewTimelineInsetItem& insets) -> Ref<CSSValue>
{
ASSERT(insets.start);
if (!insets.end || insets.start == insets.end)
return CSSPrimitiveValue::create(*insets.start, style);
return CSSValuePair::createNoncoalescing(
CSSPrimitiveValue::create(*insets.start, style),
CSSPrimitiveValue::create(*insets.end, style)
);
}
// MARK: - Serialization
void Serialize<ViewTimelineInsetItem>::operator()(StringBuilder& builder, const CSS::SerializationContext& context, const RenderStyle& style, const ViewTimelineInsetItem& insets)
{
ASSERT(insets.start);
if (!insets.end || insets.start == insets.end) {
ExtractorSerializer::serializeLength(style, builder, context, *insets.start);
return;
}
ExtractorSerializer::serializeLength(style, builder, context, *insets.start);
builder.append(' ');
ExtractorSerializer::serializeLength(style, builder, context, *insets.end);
}
} // namespace Style
} // namespace WebCore
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