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LibWeb: Implement KeyframeEffect::set_pseudo_element

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Matthew Olsson 2023-11-12 11:47:17 -07:00 • committed by Andreas Kling
parent 5824916f8c
commit 95d62822bf
1 changed files with 21 additions and 2 deletions
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23
Userland/Libraries/LibWeb/Animations/KeyframeEffect.cpp
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@ -130,8 +130,27 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<KeyframeEffect>> KeyframeEffect::construct_
void KeyframeEffect::set_pseudo_element(Optional<String> pseudo_element)
{
// FIXME: Implement this
(void)pseudo_element;
// On setting, sets the target pseudo-selector of the animation effect to the provided value after applying the
// following exceptions:
// FIXME:
// - If the provided value is not null and is an invalid <pseudo-element-selector>, the user agent must throw a
// DOMException with error name SyntaxError and leave the target pseudo-selector of this animation effect
// unchanged.
// - If one of the legacy Selectors Level 2 single-colon selectors (':before', ':after', ':first-letter', or
// ':first-line') is specified, the target pseudo-selector must be set to the equivalent two-colon selector
// (e.g. '::before').
if (pseudo_element.has_value()) {
auto value = pseudo_element.value();
if (value == ":before" || value == ":after" || value == ":first-letter" || value == ":first-line") {
m_target_pseudo_selector = MUST(String::formatted(":{}", value));
return;
}
}
m_target_pseudo_selector = pseudo_element;
}
// https://www.w3.org/TR/web-animations-1/#dom-keyframeeffect-getkeyframes