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LibWeb: Add EdgeStyleValue

This represents a single edge and offset, this will be needed for
the values of background-position-x/y.
This commit is contained in:
MacDue 2023-04-02 22:56:45 +01:00 committed by Andreas Kling
parent d5e61168b2
commit 2a659693bc
6 changed files with 87 additions and 0 deletions

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/*
* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "EdgeStyleValue.h"
namespace Web::CSS {
ErrorOr<String> EdgeStyleValue::to_string() const
{
auto to_string = [](PositionEdge edge) {
switch (edge) {
case PositionEdge::Left:
return "left";
case PositionEdge::Right:
return "right";
case PositionEdge::Top:
return "top";
case PositionEdge::Bottom:
return "bottom";
}
VERIFY_NOT_REACHED();
};
return String::formatted("{} {}", to_string(m_properties.edge), TRY(m_properties.offset.to_string()));
}
}

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/*
* Copyright (c) 2023, MacDue <macdue@dueutil.tech>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/Enums.h>
#include <LibWeb/CSS/PercentageOr.h>
#include <LibWeb/CSS/StyleValue.h>
namespace Web::CSS {
class EdgeStyleValue final : public StyleValueWithDefaultOperators<EdgeStyleValue> {
public:
static ValueComparingNonnullRefPtr<EdgeStyleValue> create(PositionEdge edge, LengthPercentage const& offset)
{
return adopt_ref(*new EdgeStyleValue(edge, offset));
}
virtual ~EdgeStyleValue() override = default;
PositionEdge edge() const { return m_properties.edge; }
LengthPercentage const& offset() const { return m_properties.offset; }
virtual ErrorOr<String> to_string() const override;
bool properties_equal(EdgeStyleValue const& other) const { return m_properties == other.m_properties; }
private:
EdgeStyleValue(PositionEdge edge, LengthPercentage const& offset)
: StyleValueWithDefaultOperators(Type::Edge)
, m_properties { .edge = edge, .offset = offset }
{
}
struct Properties {
PositionEdge edge;
LengthPercentage offset;
bool operator==(Properties const&) const = default;
} m_properties;
};
}