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/*
* Copyright (C) 2024 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 "StylePosition.h"
#include "CalculationCategory.h"
#include "CalculationTree.h"
#include "StylePrimitiveNumericTypes+Blending.h"
#include "StylePrimitiveNumericTypes+Conversions.h"
#include "StylePrimitiveNumericTypes+Evaluation.h"
namespace WebCore {
namespace Style {
using namespace CSS::Literals;
auto ToStyle<CSS::TwoComponentPositionHorizontal>::operator()(const CSS::TwoComponentPositionHorizontal& value, const BuilderState& state) -> TwoComponentPositionHorizontal
{
return WTF::switchOn(value.offset,
[&](CSS::Keyword::Left) {
return TwoComponentPositionHorizontal { 0_css_percentage };
},
[&](CSS::Keyword::Right) {
return TwoComponentPositionHorizontal { 100_css_percentage };
},
[&](CSS::Keyword::Center) {
return TwoComponentPositionHorizontal { 50_css_percentage };
},
[&](const CSS::LengthPercentage<>& value) {
return TwoComponentPositionHorizontal { toStyle(value, state) };
}
);
}
auto ToStyle<CSS::TwoComponentPositionVertical>::operator()(const CSS::TwoComponentPositionVertical& value, const BuilderState& state) -> TwoComponentPositionVertical
{
return WTF::switchOn(value.offset,
[&](CSS::Keyword::Top) {
return TwoComponentPositionVertical { 0_css_percentage };
},
[&](CSS::Keyword::Bottom) {
return TwoComponentPositionVertical { 100_css_percentage };
},
[&](CSS::Keyword::Center) {
return TwoComponentPositionVertical { 50_css_percentage };
},
[&](const CSS::LengthPercentage<>& value) {
return TwoComponentPositionVertical { toStyle(value, state) };
}
);
}
auto ToCSS<Position>::operator()(const Position& value, const RenderStyle& style) -> CSS::Position
{
return CSS::TwoComponentPosition { { toCSS(value.x(), style) }, { toCSS(value.y(), style) } };
}
auto ToStyle<CSS::Position>::operator()(const CSS::Position& position, const BuilderState& state) -> Position
{
return WTF::switchOn(position,
[&](const CSS::TwoComponentPosition& twoComponent) {
return Position {
toStyle(get<0>(twoComponent), state),
toStyle(get<1>(twoComponent), state)
};
},
[&](const CSS::FourComponentPosition& fourComponent) {
auto horizontal = WTF::switchOn(get<0>(get<0>(fourComponent)),
[&](CSS::Keyword::Left) {
return toStyle(get<1>(get<0>(fourComponent)), state);
},
[&](CSS::Keyword::Right) {
return reflect(toStyle(get<1>(get<0>(fourComponent)), state));
}
);
auto vertical = WTF::switchOn(get<0>(get<1>(fourComponent)),
[&](CSS::Keyword::Top) {
return toStyle(get<1>(get<1>(fourComponent)), state);
},
[&](CSS::Keyword::Bottom) {
return reflect(toStyle(get<1>(get<1>(fourComponent)), state));
}
);
return Position { WTFMove(horizontal), WTFMove(vertical) };
}
);
}
// MARK: - Evaluation
auto Evaluation<Position>::operator()(const Position& position, FloatSize referenceBox) -> FloatPoint
{
return evaluate(position.value, referenceBox);
}
} // namespace CSS
} // namespace WebCore
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