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Code Issues Projects Releases Packages Wiki Activity Actions 10

LibWeb/CSS: Introduce CSSNumericValue and CSSUnitValue type stubs

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CSS-Typed-OM has the following hierarchy:

CSSStyleValue
- CSSNumericValue
  - CSSUnitValue
  - CSSMathValue
    - ...various math functions...

Somewhat unintuitively, numbers are also stored using CSSUnitValue with
`unit = "number"`.

There are no distinct classes for LengthStyleValue, etc in the spec, but
they're convenient for us, so they are implemented as subclasses of
CSSUnitValue, at least for now.
This commit is contained in:
Sam Atkins 2024-08-14 16:25:48 +01:00 • committed by Sam Atkins
commit 8952764267
Notes: github-actions[bot] 2024-08-21 09:53:21 +00:00
20 changed files with 225 additions and 107 deletions
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19
Userland/Libraries/LibWeb/CSS/StyleValues/FlexStyleValue.h
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@ -1,17 +1,17 @@
/*
* Copyright (c) 2023, Sam Atkins <atkinssj@serenityos.org>
* Copyright (c) 2023-2024, Sam Atkins <sam@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibWeb/CSS/CSSStyleValue.h>
#include <LibWeb/CSS/Flex.h>
#include <LibWeb/CSS/StyleValues/CSSUnitValue.h>
namespace Web::CSS {
class FlexStyleValue final : public StyleValueWithDefaultOperators<FlexStyleValue> {
class FlexStyleValue final : public CSSUnitValue {
public:
static ValueComparingNonnullRefPtr<FlexStyleValue> create(Flex flex)
{
@ -20,15 +20,22 @@ public:
virtual ~FlexStyleValue() override = default;
Flex const& flex() const { return m_flex; }
Flex& flex() { return m_flex; }
virtual double value() const override { return m_flex.raw_value(); }
virtual StringView unit() const override { return m_flex.unit_name(); }
virtual String to_string() const override { return m_flex.to_string(); }
bool properties_equal(FlexStyleValue const& other) const { return m_flex == other.m_flex; }
bool equals(CSSStyleValue const& other) const override
{
if (type() != other.type())
return false;
auto const& other_flex = other.as_flex();
return m_flex == other_flex.m_flex;
}
private:
FlexStyleValue(Flex&& flex)
: StyleValueWithDefaultOperators(Type::Flex)
: CSSUnitValue(Type::Flex)
, m_flex(flex)
{
}