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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.cpp
View file

@ -168,9 +168,9 @@ LengthStyleValue const& StyleValue::as_length() const
return static_cast<LengthStyleValue const&>(*this);
}
GridTrackSizeStyleValue const& StyleValue::as_grid_track_size() const
GridTrackSizeStyleValue const& StyleValue::as_explicit_track_sizing() const
{
VERIFY(is_grid_track_size());
VERIFY(is_explicit_track_sizing());
return static_cast<GridTrackSizeStyleValue const&>(*this);
}
@ -1418,21 +1418,15 @@ bool GridTrackPlacementStyleValue::equals(StyleValue const& other) const
String GridTrackSizeStyleValue::to_string() const
{
StringBuilder builder;
for (size_t i = 0; i < m_grid_track.size(); i++) {
builder.append(m_grid_track[i].to_string());
if (i != m_grid_track.size() - 1)
builder.append(" "sv);
}
return builder.to_string();
return m_explicit_track_sizing.to_string();
}
bool GridTrackSizeStyleValue::equals(StyleValue const& other) const
{
if (type() != other.type())
return false;
auto const& typed_other = other.as_grid_track_size();
return m_grid_track == typed_other.grid_track_size();
auto const& typed_other = other.as_explicit_track_sizing();
return m_explicit_track_sizing == typed_other.explicit_track_sizing();
}
String IdentifierStyleValue::to_string() const
@ -2151,9 +2145,9 @@ NonnullRefPtr<GridTrackPlacementStyleValue> GridTrackPlacementStyleValue::create
return adopt_ref(*new GridTrackPlacementStyleValue(grid_track_placement));
}
NonnullRefPtr<GridTrackSizeStyleValue> GridTrackSizeStyleValue::create(Vector<CSS::GridTrackSize> grid_track_size)
NonnullRefPtr<GridTrackSizeStyleValue> GridTrackSizeStyleValue::create(CSS::ExplicitTrackSizing explicit_track_sizing)
{
return adopt_ref(*new GridTrackSizeStyleValue(grid_track_size));
return adopt_ref(*new GridTrackSizeStyleValue(explicit_track_sizing));
}
NonnullRefPtr<RectStyleValue> RectStyleValue::create(EdgeRect rect)