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@@ -83,6 +83,9 @@ struct Traits<Web::CSS::FontFaceKey> : public GenericTraits<Web::CSS::FontFaceKe
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namespace Web::CSS {
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+static DOM::Element const* element_to_inherit_style_from(DOM::Element const*, Optional<CSS::Selector::PseudoElement>);
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+static NonnullRefPtr<StyleValue const> get_inherit_value(JS::Realm& initial_value_context_realm, CSS::PropertyID, DOM::Element const*, Optional<CSS::Selector::PseudoElement>);
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+
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StyleComputer::StyleComputer(DOM::Document& document)
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: m_document(document)
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, m_default_font_metrics(16, Gfx::FontDatabase::default_font().pixel_metrics(), 16)
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@@ -830,6 +833,31 @@ static void set_property_expanding_shorthands(StyleProperties& style, CSS::Prope
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style.set_property(property_id, value, declaration);
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}
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+void StyleComputer::set_all_properties(DOM::Element& element, Optional<CSS::Selector::PseudoElement> pseudo_element, StyleProperties& style, StyleValue const& value, DOM::Document& document, CSS::CSSStyleDeclaration const* declaration) const
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+{
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+ for (auto i = to_underlying(CSS::first_longhand_property_id); i <= to_underlying(CSS::last_longhand_property_id); ++i) {
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+ auto property_id = (CSS::PropertyID)i;
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+
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+ if (value.is_unset()) {
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+ if (is_inherited_property(property_id))
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+ style.m_property_values[to_underlying(property_id)] = { { get_inherit_value(document.realm(), property_id, &element, pseudo_element), nullptr } };
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+ else
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+ style.m_property_values[to_underlying(property_id)] = { { property_initial_value(document.realm(), property_id).release_value_but_fixme_should_propagate_errors(), nullptr } };
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+ continue;
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+ }
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+
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+ NonnullRefPtr<StyleValue> property_value = value;
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+ if (property_value->is_unresolved()) {
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+ if (auto resolved = resolve_unresolved_style_value(element, pseudo_element, property_id, property_value->as_unresolved()))
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+ property_value = resolved.release_nonnull();
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+ }
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+ if (!property_value->is_unresolved())
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+ set_property_expanding_shorthands(style, property_id, property_value, document, declaration);
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+
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+ set_property_expanding_shorthands(style, property_id, value, document, declaration);
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+ }
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+}
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+
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static RefPtr<StyleValue const> get_custom_property(DOM::Element const& element, Optional<CSS::Selector::PseudoElement> pseudo_element, FlyString const& custom_property_name)
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{
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if (pseudo_element.has_value()) {
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@@ -1054,6 +1082,12 @@ void StyleComputer::cascade_declarations(StyleProperties& style, DOM::Element& e
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for (auto const& property : verify_cast<PropertyOwningCSSStyleDeclaration>(match.rule->declaration()).properties()) {
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if (important != property.important)
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continue;
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+
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+ if (property.property_id == CSS::PropertyID::All) {
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+ set_all_properties(element, pseudo_element, style, property.value, m_document, &match.rule->declaration());
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+ continue;
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+ }
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+
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auto property_value = property.value;
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if (property.value->is_unresolved()) {
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if (auto resolved = resolve_unresolved_style_value(element, pseudo_element, property.property_id, property.value->as_unresolved()))
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@@ -1069,6 +1103,12 @@ void StyleComputer::cascade_declarations(StyleProperties& style, DOM::Element& e
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for (auto const& property : inline_style->properties()) {
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if (important != property.important)
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continue;
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+
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+ if (property.property_id == CSS::PropertyID::All) {
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+ set_all_properties(element, pseudo_element, style, property.value, m_document, inline_style);
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+ continue;
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+ }
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+
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auto property_value = property.value;
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if (property.value->is_unresolved()) {
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if (auto resolved = resolve_unresolved_style_value(element, pseudo_element, property.property_id, property.value->as_unresolved()))
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@@ -1804,7 +1844,7 @@ ErrorOr<void> StyleComputer::compute_cascaded_values(StyleProperties& style, DOM
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return {};
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}
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-static DOM::Element const* element_to_inherit_style_from(DOM::Element const* element, Optional<CSS::Selector::PseudoElement> pseudo_element)
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+DOM::Element const* element_to_inherit_style_from(DOM::Element const* element, Optional<CSS::Selector::PseudoElement> pseudo_element)
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{
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// Pseudo-elements treat their originating element as their parent.
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DOM::Element const* parent_element = nullptr;
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@@ -1816,7 +1856,7 @@ static DOM::Element const* element_to_inherit_style_from(DOM::Element const* ele
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return parent_element;
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}
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-static NonnullRefPtr<StyleValue const> get_inherit_value(JS::Realm& initial_value_context_realm, CSS::PropertyID property_id, DOM::Element const* element, Optional<CSS::Selector::PseudoElement> pseudo_element)
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+NonnullRefPtr<StyleValue const> get_inherit_value(JS::Realm& initial_value_context_realm, CSS::PropertyID property_id, DOM::Element const* element, Optional<CSS::Selector::PseudoElement> pseudo_element)
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{
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auto* parent_element = element_to_inherit_style_from(element, pseudo_element);
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Andreas Kling