LibWeb: Store PositionStyleValue's edges as EdgeStyleValues

They can't be anything else, so this will make working with them easier.
This commit is contained in:
Sam Atkins 2023-11-06 17:46:19 +00:00 committed by Sam Atkins
parent 875661a584
commit 4ad58f0204
2 changed files with 11 additions and 8 deletions

View file

@ -825,11 +825,13 @@ static ErrorOr<NonnullRefPtr<StyleValue>> interpolate_property(StyleValue const&
case StyleValue::Type::Percentage:
return PercentageStyleValue::create(Percentage(interpolate_raw(from.as_percentage().percentage().value(), to.as_percentage().percentage().value())));
case StyleValue::Type::Position: {
// https://www.w3.org/TR/css-values-4/#combine-positions
// FIXME: Interpolation of <position> is defined as the independent interpolation of each component (x, y) normalized as an offset from the top left corner as a <length-percentage>.
auto& from_position = from.as_position();
auto& to_position = to.as_position();
return PositionStyleValue::create(
TRY(interpolate_property(from_position.edge_x(), to_position.edge_x(), delta)),
TRY(interpolate_property(from_position.edge_y(), to_position.edge_y(), delta)));
TRY(interpolate_property(from_position.edge_x(), to_position.edge_x(), delta))->as_edge(),
TRY(interpolate_property(from_position.edge_y(), to_position.edge_y(), delta))->as_edge());
}
case StyleValue::Type::Rect: {
auto from_rect = from.as_rect().rect();

View file

@ -12,34 +12,35 @@
#include <LibWeb/CSS/Enums.h>
#include <LibWeb/CSS/PercentageOr.h>
#include <LibWeb/CSS/StyleValue.h>
#include <LibWeb/CSS/StyleValues/EdgeStyleValue.h>
namespace Web::CSS {
class PositionStyleValue final : public StyleValueWithDefaultOperators<PositionStyleValue> {
public:
static ValueComparingNonnullRefPtr<PositionStyleValue> create(ValueComparingNonnullRefPtr<StyleValue> edge_x, ValueComparingNonnullRefPtr<StyleValue> edge_y)
static ValueComparingNonnullRefPtr<PositionStyleValue> create(ValueComparingNonnullRefPtr<EdgeStyleValue> edge_x, ValueComparingNonnullRefPtr<EdgeStyleValue> edge_y)
{
return adopt_ref(*new (nothrow) PositionStyleValue(move(edge_x), move(edge_y)));
}
virtual ~PositionStyleValue() override = default;
ValueComparingNonnullRefPtr<StyleValue> edge_x() const { return m_properties.edge_x; }
ValueComparingNonnullRefPtr<StyleValue> edge_y() const { return m_properties.edge_y; }
ValueComparingNonnullRefPtr<EdgeStyleValue> edge_x() const { return m_properties.edge_x; }
ValueComparingNonnullRefPtr<EdgeStyleValue> edge_y() const { return m_properties.edge_y; }
virtual String to_string() const override;
bool properties_equal(PositionStyleValue const& other) const { return m_properties == other.m_properties; }
private:
PositionStyleValue(ValueComparingNonnullRefPtr<StyleValue> edge_x, ValueComparingNonnullRefPtr<StyleValue> edge_y)
PositionStyleValue(ValueComparingNonnullRefPtr<EdgeStyleValue> edge_x, ValueComparingNonnullRefPtr<EdgeStyleValue> edge_y)
: StyleValueWithDefaultOperators(Type::Position)
, m_properties { .edge_x = edge_x, .edge_y = edge_y }
{
}
struct Properties {
ValueComparingNonnullRefPtr<StyleValue> edge_x;
ValueComparingNonnullRefPtr<StyleValue> edge_y;
ValueComparingNonnullRefPtr<EdgeStyleValue> edge_x;
ValueComparingNonnullRefPtr<EdgeStyleValue> edge_y;
bool operator==(Properties const&) const = default;
} m_properties;
};