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style: Make input[type=number] pseudo-elements accessible to chrome.

Browse source 
Bug: 1433389
Reviewed-by: jwatt
MozReview-Commit-ID: 2ycajPYd3CV
This commit is contained in:
Emilio Cobos Álvarez 2018-01-26 14:13:14 +01:00
parent f2df3052d9
commit b76bbdf501
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GPG key ID: 056B727BB9C1027C
3 changed files with 62 additions and 28 deletions
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47
components/style/gecko/selector_parser.rs
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@ -159,10 +159,10 @@ impl NonTSPseudoClass {
/// Returns whether the pseudo-class is enabled in content sheets.
fn is_enabled_in_content(&self) -> bool {
use gecko_bindings::structs::mozilla;
match self {
match *self {
// For pseudo-classes with pref, the availability in content
// depends on the pref.
&NonTSPseudoClass::Fullscreen =>
NonTSPseudoClass::Fullscreen =>
unsafe { mozilla::StylePrefs_sUnprefixedFullscreenApiEnabled },
// Otherwise, a pseudo-class is enabled in content when it
// doesn't have any enabled flag.
@ -322,6 +322,25 @@ impl<'a> SelectorParser<'a> {
return false;
}
fn is_pseudo_element_enabled(
&self,
pseudo_element: &PseudoElement,
) -> bool {
if pseudo_element.enabled_in_content() {
return true;
}
if self.in_user_agent_stylesheet() && pseudo_element.enabled_in_ua_sheets() {
return true;
}
if self.chrome_rules_enabled() && pseudo_element.enabled_in_chrome() {
return true;
}
return false;
}
}
impl<'a, 'i> ::selectors::Parser<'i> for SelectorParser<'a> {
@ -418,17 +437,15 @@ impl<'a, 'i> ::selectors::Parser<'i> for SelectorParser<'a> {
location: SourceLocation,
name: CowRcStr<'i>,
) -> Result<PseudoElement, ParseError<'i>> {
PseudoElement::from_slice(&name, self.in_user_agent_stylesheet())
.or_else(|| {
// FIXME: -moz-tree check should probably be
// ascii-case-insensitive.
if name.starts_with("-moz-tree-") {
PseudoElement::tree_pseudo_element(&name, Box::new([]))
} else {
None
}
})
.ok_or(location.new_custom_error(SelectorParseErrorKind::UnsupportedPseudoClassOrElement(name.clone())))
if let Some(pseudo) = PseudoElement::from_slice(&name) {
if self.is_pseudo_element_enabled(&pseudo) {
return Ok(pseudo);
}
}
Err(location.new_custom_error(
SelectorParseErrorKind::UnsupportedPseudoClassOrElement(name)
))
}
fn parse_functional_pseudo_element<'t>(
@ -456,7 +473,9 @@ impl<'a, 'i> ::selectors::Parser<'i> for SelectorParser<'a> {
return Ok(pseudo);
}
}
Err(parser.new_custom_error(SelectorParseErrorKind::UnsupportedPseudoClassOrElement(name.clone())))
Err(parser.new_custom_error(
SelectorParseErrorKind::UnsupportedPseudoClassOrElement(name)
))
}
fn default_namespace(&self) -> Option<Namespace> {