style: Add telemetry for -moz-appearance usage.

Differential Revision: https://phabricator.services.mozilla.com/D77637
This commit is contained in:
Cameron McCormack 2020-06-05 00:39:50 +00:00 committed by Emilio Cobos Álvarez
parent c578a82adc
commit 9b980e2f49
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3 changed files with 32 additions and 1 deletions

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@ -348,6 +348,21 @@ impl PropertyDeclarationBlock {
.find(|(declaration, _)| declaration.id() == property)
}
/// Get a declaration for a given property with the specified importance.
#[inline]
pub fn get_at_importance(
&self,
property: PropertyDeclarationId,
importance: Importance,
) -> Option<&PropertyDeclaration> {
let (declaration, i) = self.get(property)?;
if i == importance {
Some(declaration)
} else {
None
}
}
/// Tries to serialize a given shorthand from the declarations in this
/// block.
pub fn shorthand_to_css(

View file

@ -627,6 +627,21 @@ ${helpers.predefined_type(
gecko_ffi_name="mAppearance",
)}
// A UA-sheet only property that is always set to the same value as
// -moz-appearance. Used to record telemetry for when author sheets
// override the value of -moz-appearance; see
// nsIFrame::RecordAppearanceTelemetry.
${helpers.predefined_type(
"-moz-default-appearance",
"Appearance",
"computed::Appearance::None",
engines="gecko",
animation_value_type="none",
spec="Internal (not web-exposed)",
enabled_in="ua",
gecko_ffi_name="mDefaultAppearance",
)}
${helpers.single_keyword(
"-moz-orient",
"inline block horizontal vertical",

View file

@ -2111,7 +2111,8 @@ impl PropertyId {
pub struct WideKeywordDeclaration {
#[css(skip)]
id: LonghandId,
keyword: CSSWideKeyword,
/// The CSS-wide keyword.
pub keyword: CSSWideKeyword,
}
/// An unparsed declaration that contains `var()` functions.