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LibWeb: Allow multiple values for the transition-delay property

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Tim Ledbetter 2025-04-17 12:25:08 +01:00 • committed by Sam Atkins
parent c5f1f36119
commit 1ca9f2a44d
Notes: github-actions[bot] 2025-04-23 20:04:09 +00:00
4 changed files with 55 additions and 0 deletions
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24
Libraries/LibWeb/CSS/Parser/PropertyParsing.cpp
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@ -670,6 +670,10 @@ Parser::ParseErrorOr<NonnullRefPtr<CSSStyleValue const>> Parser::parse_css_value
if (auto parsed_value = parse_transition_value(tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::TransitionDelay:
if (auto parsed_value = parse_list_of_time_values(property_id, tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
return ParseError::SyntaxError;
case PropertyID::TransitionProperty:
if (auto parsed_value = parse_transition_property_value(tokens); parsed_value && !tokens.has_next_token())
return parsed_value.release_nonnull();
@ -3783,6 +3787,26 @@ RefPtr<CSSStyleValue const> Parser::parse_transition_value(TokenStream<Component
return TransitionStyleValue::create(move(transitions));
}
RefPtr<CSSStyleValue const> Parser::parse_list_of_time_values(PropertyID property_id, TokenStream<ComponentValue>& tokens)
{
auto transaction = tokens.begin_transaction();
auto time_values = parse_a_comma_separated_list_of_component_values(tokens);
StyleValueVector time_value_list;
for (auto const& value : time_values) {
TokenStream time_value_tokens { value };
auto time_style_value = parse_time_value(time_value_tokens);
if (!time_style_value)
return nullptr;
if (time_value_tokens.has_next_token())
return nullptr;
if (!time_style_value->is_calculated() && !property_accepts_time(property_id, time_style_value->as_time().time()))
return nullptr;
time_value_list.append(*time_style_value);
}
transaction.commit();
return StyleValueList::create(move(time_value_list), StyleValueList::Separator::Comma);
}
RefPtr<CSSStyleValue const> Parser::parse_transition_property_value(TokenStream<ComponentValue>& tokens)
{
// https://drafts.csswg.org/css-transitions/#transition-property-property