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LibWeb: Implement popover methods

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Implements basics of showPopover, hidePopover and togglePopover.
This commit is contained in:
Luke Warlow
2024-12-05 23:24:24 +00:00
committed by Tim Ledbetter
parent b17bbe6d1f
commit eb1c60f37b
12 changed files with 480 additions and 5 deletions
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10
Libraries/LibWeb/CSS/SelectorEngine.cpp
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@@ -738,6 +738,16 @@ static inline bool matches_pseudo_class(CSS::Selector::SimpleSelector::PseudoCla
// FIXME: fullscreen elements are also modal.
return false;
}
case CSS::PseudoClass::PopoverOpen: {
// https://html.spec.whatwg.org/#selector-popover-open
// The :popover-open pseudo-class is defined to match any HTML element whose popover attribute is not in the no popover state and whose popover visibility state is showing.
if (is<HTML::HTMLElement>(element) && element.has_attribute(HTML::AttributeNames::popover)) {
auto& html_element = static_cast<HTML::HTMLElement const&>(element);
return html_element.popover_visibility_state() == HTML::HTMLElement::PopoverVisibilityState::Showing;
}
return false;
}
}
return false;