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LibWeb: Propagate errors from absolutizing StyleValues

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This commit is contained in:
Sam Atkins 2023-05-01 20:09:05 +01:00 • committed by Andreas Kling
parent d16600a48b
commit d732a83de8
10 changed files with 20 additions and 20 deletions
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16
Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
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@ -1393,7 +1393,7 @@ CSSPixels StyleComputer::parent_or_root_element_line_height(DOM::Element const*
return computed_values->line_height(viewport_rect(), parent_font_metrics, root_font_metrics);
}
void StyleComputer::absolutize_values(StyleProperties& style, DOM::Element const* element, Optional<CSS::Selector::PseudoElement> pseudo_element) const
ErrorOr<void> StyleComputer::absolutize_values(StyleProperties& style, DOM::Element const* element, Optional<CSS::Selector::PseudoElement> pseudo_element) const
{
auto parent_or_root_line_height = parent_or_root_element_line_height(element, pseudo_element);
@ -1411,9 +1411,8 @@ void StyleComputer::absolutize_values(StyleProperties& style, DOM::Element const
// because most percentages are relative to containing block metrics.
auto& line_height_value_slot = style.m_property_values[to_underlying(CSS::PropertyID::LineHeight)];
if (line_height_value_slot && line_height_value_slot->is_percentage()) {
line_height_value_slot = LengthStyleValue::create(
Length::make_px(font_size * line_height_value_slot->as_percentage().percentage().as_fraction()))
.release_value_but_fixme_should_propagate_errors();
line_height_value_slot = TRY(LengthStyleValue::create(
Length::make_px(font_size * line_height_value_slot->as_percentage().percentage().as_fraction())));
}
auto line_height = style.line_height(viewport_rect(), font_metrics, root_font_metrics);
@ -1421,14 +1420,15 @@ void StyleComputer::absolutize_values(StyleProperties& style, DOM::Element const
// NOTE: line-height might be using lh which should be resolved against the parent line height (like we did here already)
if (line_height_value_slot && line_height_value_slot->is_length())
line_height_value_slot = LengthStyleValue::create(Length::make_px(line_height)).release_value_but_fixme_should_propagate_errors();
line_height_value_slot = TRY(LengthStyleValue::create(Length::make_px(line_height)));
for (size_t i = 0; i < style.m_property_values.size(); ++i) {
auto& value_slot = style.m_property_values[i];
if (!value_slot)
continue;
value_slot = value_slot->absolutized(viewport_rect(), font_metrics, root_font_metrics);
value_slot = TRY(value_slot->absolutized(viewport_rect(), font_metrics, root_font_metrics));
}
return {};
}
enum class BoxTypeTransformation {
@ -1528,7 +1528,7 @@ NonnullRefPtr<StyleProperties> StyleComputer::create_document_style() const
auto style = StyleProperties::create();
compute_font(style, nullptr, {});
compute_defaulted_values(style, nullptr, {});
absolutize_values(style, nullptr, {});
absolutize_values(style, nullptr, {}).release_value_but_fixme_should_propagate_errors();
style->set_property(CSS::PropertyID::Width, CSS::LengthStyleValue::create(CSS::Length::make_px(viewport_rect().width())).release_value_but_fixme_should_propagate_errors());
style->set_property(CSS::PropertyID::Height, CSS::LengthStyleValue::create(CSS::Length::make_px(viewport_rect().height())).release_value_but_fixme_should_propagate_errors());
style->set_property(CSS::PropertyID::Display, CSS::DisplayStyleValue::create(CSS::Display::from_short(CSS::Display::Short::Block)).release_value_but_fixme_should_propagate_errors());
@ -1562,7 +1562,7 @@ ErrorOr<RefPtr<StyleProperties>> StyleComputer::compute_style_impl(DOM::Element&
compute_font(style, &element, pseudo_element);
// 3. Absolutize values, turning font/viewport relative lengths into absolute lengths
absolutize_values(style, &element, pseudo_element);
TRY(absolutize_values(style, &element, pseudo_element));
// 4. Default the values, applying inheritance and 'initial' as needed
compute_defaulted_values(style, &element, pseudo_element);