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LibWeb: Convert flex-basis to LengthPercentage

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The flexbox logic confuses me so regressions are possible, though our
test page looks the same as before so it should be fine.

Renamed FlexBasis::Length -> LengthPercentage too, for clarity.
This commit is contained in:
Sam Atkins 2022-01-19 11:52:01 +00:00 • committed by Andreas Kling
parent 784ba2ec42
commit cb0cce5cdc
5 changed files with 29 additions and 15 deletions
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4
Userland/Libraries/LibWeb/CSS/ComputedValues.h
View file

@ -69,9 +69,9 @@ struct Transformation {
struct FlexBasisData {
CSS::FlexBasis type { CSS::FlexBasis::Auto };
CSS::Length length {};
Optional<CSS::LengthPercentage> length_percentage;
bool is_definite() const { return type == CSS::FlexBasis::Length; }
bool is_definite() const { return type == CSS::FlexBasis::LengthPercentage; }
};
struct BoxShadowData {

11
Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
View file

@ -439,6 +439,13 @@ static NonnullRefPtr<StyleValue> value_or_default(Optional<StyleProperty> proper
return default_style;
}
static NonnullRefPtr<StyleValue> style_value_for_length_percentage(LengthPercentage const& length_percentage)
{
if (length_percentage.is_percentage())
return PercentageStyleValue::create(length_percentage.percentage());
return LengthStyleValue::create(length_percentage.length());
}
RefPtr<StyleValue> ResolvedCSSStyleDeclaration::style_value_for_property(Layout::NodeWithStyle const& layout_node, PropertyID property_id) const
{
switch (property_id) {
@ -474,8 +481,8 @@ RefPtr<StyleValue> ResolvedCSSStyleDeclaration::style_value_for_property(Layout:
switch (layout_node.computed_values().flex_basis().type) {
case FlexBasis::Content:
return IdentifierStyleValue::create(CSS::ValueID::Content);
case FlexBasis::Length:
return LengthStyleValue::create(layout_node.computed_values().flex_basis().length);
case FlexBasis::LengthPercentage:
return style_value_for_length_percentage(*layout_node.computed_values().flex_basis().length_percentage);
case FlexBasis::Auto:
return IdentifierStyleValue::create(CSS::ValueID::Auto);
default:

16
Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
View file

@ -194,18 +194,22 @@ Optional<CSS::FlexWrap> StyleProperties::flex_wrap() const
Optional<CSS::FlexBasisData> StyleProperties::flex_basis() const
{
auto value = property(CSS::PropertyID::FlexBasis);
if (!value.has_value())
auto maybe_value = property(CSS::PropertyID::FlexBasis);
if (!maybe_value.has_value())
return {};
auto& value = maybe_value.value();
if (value.value()->is_identifier() && value.value()->to_identifier() == CSS::ValueID::Content)
if (value->is_identifier() && value->to_identifier() == CSS::ValueID::Content)
return { { CSS::FlexBasis::Content, {} } };
if (value.value()->has_auto())
if (value->has_auto())
return { { CSS::FlexBasis::Auto, {} } };
if (value.value()->has_length())
return { { CSS::FlexBasis::Length, value.value()->to_length() } };
if (value->is_percentage())
return { { CSS::FlexBasis::LengthPercentage, value->as_percentage().percentage() } };
if (value->has_length())
return { { CSS::FlexBasis::LengthPercentage, value->to_length() } };
return {};
}

4
Userland/Libraries/LibWeb/CSS/StyleValue.h
View file

@ -112,7 +112,7 @@ enum class Cursor {
enum class FlexBasis {
Content,
Length,
LengthPercentage,
Auto,
};
@ -1185,7 +1185,7 @@ private:
class PercentageStyleValue final : public StyleValue {
public:
static NonnullRefPtr<PercentageStyleValue> create(Percentage&& percentage)
static NonnullRefPtr<PercentageStyleValue> create(Percentage percentage)
{
return adopt_ref(*new PercentageStyleValue(move(percentage)));
}