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LibWeb: Implement the :seeking pseudo-class

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This matches while a media element is seeking.
This commit is contained in:
Sam Atkins 2023-08-01 13:04:47 +01:00 • committed by Tim Flynn
parent 4df5e24926
commit 7b4ae43b91
7 changed files with 28 additions and 3 deletions
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2
Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
View file

@ -503,6 +503,8 @@ Parser::ParseErrorOr<Selector::SimpleSelector> Parser::parse_pseudo_simple_selec
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Paused);
if (pseudo_name.equals_ignoring_ascii_case("root"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Root);
if (pseudo_name.equals_ignoring_ascii_case("seeking"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Seeking);
if (pseudo_name.equals_ignoring_ascii_case("host"sv))
return make_pseudo_class_selector(Selector::SimpleSelector::PseudoClass::Type::Host);
if (pseudo_name.equals_ignoring_ascii_case("visited"sv))

1
Userland/Libraries/LibWeb/CSS/Selector.cpp
View file

@ -233,6 +233,7 @@ ErrorOr<String> Selector::SimpleSelector::serialize() const
case Selector::SimpleSelector::PseudoClass::Type::Defined:
case Selector::SimpleSelector::PseudoClass::Type::Playing:
case Selector::SimpleSelector::PseudoClass::Type::Paused:
case Selector::SimpleSelector::PseudoClass::Type::Seeking:
// If the pseudo-class does not accept arguments append ":" (U+003A), followed by the name of the pseudo-class, to s.
TRY(s.try_append(':'));
TRY(s.try_append(pseudo_class_name(pseudo_class.type)));

3
Userland/Libraries/LibWeb/CSS/Selector.h
View file

@ -117,6 +117,7 @@ public:
Defined,
Playing,
Paused,
Seeking,
};
Type type;
@ -310,6 +311,8 @@ constexpr StringView pseudo_class_name(Selector::SimpleSelector::PseudoClass::Ty
return "playing"sv;
case Selector::SimpleSelector::PseudoClass::Type::Paused:
return "paused"sv;
case Selector::SimpleSelector::PseudoClass::Type::Seeking:
return "seeking"sv;
}
VERIFY_NOT_REACHED();
}

6
Userland/Libraries/LibWeb/CSS/SelectorEngine.cpp
View file

@ -389,6 +389,12 @@ static inline bool matches_pseudo_class(CSS::Selector::SimpleSelector::PseudoCla
auto const& media_element = static_cast<HTML::HTMLMediaElement const&>(element);
return media_element.paused();
}
case CSS::Selector::SimpleSelector::PseudoClass::Type::Seeking: {
if (!is<HTML::HTMLMediaElement>(element))
return false;
auto const& media_element = static_cast<HTML::HTMLMediaElement const&>(element);
return media_element.seeking();
}
}
return false;