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LibWeb: Implement hidden="until-found" IDL support

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Follow-ups will implement the actual behaviour.
This commit is contained in:
Luke Warlow 2025-01-24 00:53:31 +00:00 • committed by Jelle Raaijmakers
parent 15fe8e7906
commit f5860a3b7d
Notes: github-actions[bot] 2025-01-24 08:09:38 +00:00
5 changed files with 127 additions and 1 deletions
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52
Libraries/LibWeb/HTML/HTMLElement.cpp
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@ -683,6 +683,58 @@ GC::Ptr<DOM::NodeList> HTMLElement::labels()
return m_labels;
}
Variant<bool, double, String> HTMLElement::hidden() const
{
// 1. If the hidden attribute is in the hidden until found state, then return "until-found".
if (get_attribute(HTML::AttributeNames::hidden) == "until-found")
return "until-found"_string;
// 2. If the hidden attribute is set, then return true.
if (has_attribute(HTML::AttributeNames::hidden))
return true;
// 3. Return false.
return false;
}
void HTMLElement::set_hidden(Variant<bool, double, String> const& given_value)
{
// 1. If the given value is a string that is an ASCII case-insensitive match for "until-found", then set the hidden attribute to "until-found".
if (given_value.has<String>()) {
auto const& string = given_value.get<String>();
if (string.equals_ignoring_ascii_case("until-found"sv)) {
MUST(set_attribute(HTML::AttributeNames::hidden, "until-found"_string));
return;
}
// 3. Otherwise, if the given value is the empty string, then remove the hidden attribute.
if (string.is_empty()) {
remove_attribute(HTML::AttributeNames::hidden);
return;
}
// 4. Otherwise, if the given value is null, then remove the hidden attribute.
if (string.equals_ignoring_ascii_case("null"sv) || string.equals_ignoring_ascii_case("undefined"sv)) {
remove_attribute(HTML::AttributeNames::hidden);
return;
}
}
// 2. Otherwise, if the given value is false, then remove the hidden attribute.
else if (given_value.has<bool>()) {
if (!given_value.get<bool>()) {
remove_attribute(HTML::AttributeNames::hidden);
return;
}
}
// 5. Otherwise, if the given value is 0, then remove the hidden attribute.
// 6. Otherwise, if the given value is NaN, then remove the hidden attribute.
else if (given_value.has<double>()) {
auto const& double_value = given_value.get<double>();
if (double_value == 0 || isnan(double_value)) {
remove_attribute(HTML::AttributeNames::hidden);
return;
}
}
// 7. Otherwise, set the hidden attribute to the empty string.
MUST(set_attribute(HTML::AttributeNames::hidden, ""_string));
}
// https://html.spec.whatwg.org/multipage/interaction.html#dom-click
void HTMLElement::click()
{