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/*
* Copyright (C) 2020 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. ``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,
* 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.
*/
#include "config.h"
#include "StyleGridTrackSize.h"
#include "AnimationUtilities.h"
#include "CSSFunctionValue.h"
#include "CSSPrimitiveValue.h"
#include "StyleBuilderChecking.h"
#include "StyleLengthWrapper+Blending.h"
#include "StyleLengthWrapper+CSSValueConversion.h"
#include "StylePrimitiveNumericTypes+Blending.h"
#include "StylePrimitiveNumericTypes+CSSValueCreation.h"
#include "StylePrimitiveNumericTypes+Serialization.h"
#include <wtf/text/TextStream.h>
namespace WebCore {
namespace Style {
using namespace CSS::Literals;
// MARK: - Conversion
auto CSSValueConversion<GridTrackSize>::operator()(BuilderState& state, const CSSValue& value) -> GridTrackSize
{
if (RefPtr primitiveValue = dynamicDowncast<CSSPrimitiveValue>(value))
return toStyleFromCSSValue<GridTrackSize::Breadth>(state, *primitiveValue);
auto function = requiredListDowncast<CSSFunctionValue, CSSPrimitiveValue>(state, value);
if (!function)
return GridTrackSize::Breadth { 0_css_px };
if (function->size() == 1) {
RefPtr length = function->item(0);
return GridTrackSize::FitContent {
.parameters = toStyleFromCSSValue<GridTrackFitContentLength>(state, *length),
};
}
RefPtr min = function->item(0);
RefPtr max = function->item(1);
return GridTrackSize::MinMax {
.parameters = {
.min = toStyleFromCSSValue<GridTrackBreadth>(state, *min),
.max = toStyleFromCSSValue<GridTrackBreadth>(state, *max),
}
};
}
// MARK: - Blending
auto Blending<GridTrackSize>::blend(const GridTrackSize& from, const GridTrackSize& to, const BlendingContext& context) -> GridTrackSize
{
if (from.type() != to.type())
return context.progress < 0.5 ? from : to;
switch (from.type()) {
case GridTrackSize::Type::Breadth:
return Style::blend(from.minTrackBreadth(), to.minTrackBreadth(), context);
case GridTrackSize::Type::FitContent:
return GridTrackSize::FitContent {
.parameters = Style::blend(from.fitContentTrackLength(), to.fitContentTrackLength(), context),
};
case GridTrackSize::Type::MinMax:
return GridTrackSize::MinMax {
.parameters = {
.min = Style::blend(from.minTrackBreadth(), to.minTrackBreadth(), context),
.max = Style::blend(from.maxTrackBreadth(), to.maxTrackBreadth(), context),
}
};
}
RELEASE_ASSERT_NOT_REACHED();
}
// MARK: - Logging
TextStream& operator<<(TextStream& ts, const GridTrackSize& value)
{
if (value.isBreadth())
return ts << "size"_s;
if (value.isMinMax())
return ts << "minmax()"_s;
if (value.isFitContent())
return ts << "fit-content()"_s;
return ts;
}
} // namespace Style
} // namespace WebCore
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