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style: Put overflow: -moz-hidden-unscrollable behind a pref on Nightly

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Differential Revision: https://phabricator.services.mozilla.com/D141759
This commit is contained in:
Emilio Cobos Álvarez 2023-06-06 23:59:59 +02:00 • committed by Oriol Brufau
parent 32dd0b27e4
commit ece2a74709
1 changed files with 19 additions and 2 deletions
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21
components/style/values/specified/box.rs
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@ -2083,7 +2083,6 @@ impl BreakWithin {
Eq,
Hash,
MallocSizeOf,
Parse,
PartialEq,
SpecifiedValueInfo,
ToCss,
@ -2098,10 +2097,28 @@ pub enum Overflow {
Scroll,
Auto,
#[cfg(feature = "gecko")]
#[parse(aliases = "-moz-hidden-unscrollable")]
Clip,
}
// This can be derived once we remove or keep `-moz-hidden-unscrollable`
// indefinitely.
impl Parse for Overflow {
fn parse<'i, 't>(_: &ParserContext, input: &mut Parser<'i, 't>) -> Result<Self, ParseError<'i>> {
Ok(try_match_ident_ignore_ascii_case! { input,
"visible" => Self::Visible,
"hidden" => Self::Hidden,
"scroll" => Self::Scroll,
"auto" => Self::Auto,
#[cfg(feature = "gecko")]
"clip" => Self::Clip,
#[cfg(feature = "gecko")]
"-moz-hidden-unscrollable" if static_prefs::pref!("layout.css.overflow-moz-hidden-unscrollable.enabled") => {
Overflow::Clip
},
})
}
}
impl Overflow {
/// Return true if the value will create a scrollable box.
#[inline]