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LibWeb: Add parent classes for managing GridTrackSizes

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Add classes ExplicitTrackSizing and MetaGridTrackSize which will allow
for managing properties like auto-fill and minmax.

In the following CSS example there are 3 classes that will be used:
grid-template-column: repeat(auto-fill, minmax(50px, 1fr) 75px);

ExplicitTrackSizing - will contain the entire value. e.g.
repeat(auto-fill, minmax(50px, 1fr) 75px)

With a flag if it's a repeat, as well as references to the
MetaGridTrackSizes which is the next step down.

MetaGridTrackSize:
Contain the individual grid track sizes. Here there are two:
minmax(50px, 1fr) as well as 75px.

This way can keep track if it's a minmax function or not, and the
references to both GridTrackSizes in the case it is, or in just the one
if it is not.

GridTrackSize:
Is the most basic element, in this case there are three in total; two of
which are held by the first MetaGridTrackSize, and the third is held by
the second MetaGridTrackSize.
Examples: 50px, 1fr and 75px.
This commit is contained in:
martinfalisse 2022-10-09 19:34:27 +02:00 • committed by Andreas Kling
parent 414a22a386
commit f7af190de0
10 changed files with 144 additions and 54 deletions
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20
Userland/Libraries/LibWeb/CSS/StyleValue.h
View file

@ -174,6 +174,7 @@ public:
Calculated,
Color,
Content,
ExplicitTrackSizing,
FilterValueList,
Flex,
FlexFlow,
@ -181,7 +182,6 @@ public:
Frequency,
GridTrackPlacement,
GridTrackPlacementShorthand,
GridTrackSize,
Identifier,
Image,
Inherit,
@ -226,7 +226,7 @@ public:
bool is_frequency() const { return type() == Type::Frequency; }
bool is_grid_track_placement() const { return type() == Type::GridTrackPlacement; }
bool is_grid_track_placement_shorthand() const { return type() == Type::GridTrackPlacementShorthand; }
bool is_grid_track_size() const { return type() == Type::GridTrackSize; }
bool is_explicit_track_sizing() const { return type() == Type::ExplicitTrackSizing; }
bool is_identifier() const { return type() == Type::Identifier; }
bool is_image() const { return type() == Type::Image; }
bool is_inherit() const { return type() == Type::Inherit; }
@ -269,7 +269,7 @@ public:
FrequencyStyleValue const& as_frequency() const;
GridTrackPlacementShorthandStyleValue const& as_grid_track_placement_shorthand() const;
GridTrackPlacementStyleValue const& as_grid_track_placement() const;
GridTrackSizeStyleValue const& as_grid_track_size() const;
GridTrackSizeStyleValue const& as_explicit_track_sizing() const;
IdentifierStyleValue const& as_identifier() const;
ImageStyleValue const& as_image() const;
InheritStyleValue const& as_inherit() const;
@ -310,7 +310,7 @@ public:
FrequencyStyleValue& as_frequency() { return const_cast<FrequencyStyleValue&>(const_cast<StyleValue const&>(*this).as_frequency()); }
GridTrackPlacementShorthandStyleValue& as_grid_track_placement_shorthand() { return const_cast<GridTrackPlacementShorthandStyleValue&>(const_cast<StyleValue const&>(*this).as_grid_track_placement_shorthand()); }
GridTrackPlacementStyleValue& as_grid_track_placement() { return const_cast<GridTrackPlacementStyleValue&>(const_cast<StyleValue const&>(*this).as_grid_track_placement()); }
GridTrackSizeStyleValue& as_grid_track_size() { return const_cast<GridTrackSizeStyleValue&>(const_cast<StyleValue const&>(*this).as_grid_track_size()); }
GridTrackSizeStyleValue& as_explicit_track_sizing() { return const_cast<GridTrackSizeStyleValue&>(const_cast<StyleValue const&>(*this).as_explicit_track_sizing()); }
IdentifierStyleValue& as_identifier() { return const_cast<IdentifierStyleValue&>(const_cast<StyleValue const&>(*this).as_identifier()); }
ImageStyleValue& as_image() { return const_cast<ImageStyleValue&>(const_cast<StyleValue const&>(*this).as_image()); }
InheritStyleValue& as_inherit() { return const_cast<InheritStyleValue&>(const_cast<StyleValue const&>(*this).as_inherit()); }
@ -1048,21 +1048,21 @@ private:
class GridTrackSizeStyleValue final : public StyleValue {
public:
static NonnullRefPtr<GridTrackSizeStyleValue> create(Vector<CSS::GridTrackSize> grid_track_size);
static NonnullRefPtr<GridTrackSizeStyleValue> create(CSS::ExplicitTrackSizing explicit_track_sizing);
virtual ~GridTrackSizeStyleValue() override = default;
Vector<CSS::GridTrackSize> grid_track_size() const { return m_grid_track; }
CSS::ExplicitTrackSizing explicit_track_sizing() const { return m_explicit_track_sizing; }
virtual String to_string() const override;
virtual bool equals(StyleValue const& other) const override;
private:
explicit GridTrackSizeStyleValue(Vector<CSS::GridTrackSize> grid_track_size)
: StyleValue(Type::GridTrackSize)
, m_grid_track(grid_track_size)
explicit GridTrackSizeStyleValue(CSS::ExplicitTrackSizing explicit_track_sizing)
: StyleValue(Type::ExplicitTrackSizing)
, m_explicit_track_sizing(explicit_track_sizing)
{
}
Vector<CSS::GridTrackSize> m_grid_track;
CSS::ExplicitTrackSizing m_explicit_track_sizing;
};
class IdentifierStyleValue final : public StyleValue {