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style: Allow user-select: -moz-text on user-agent stylesheets only.

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It's only used in contenteditable.css, and same usage in comm-central. That
sheet is loaded as a ua sheet so let's restrict it to that. No relevant
external usage either. This value was introduced in bug 1181130.

Differential Revision: https://phabricator.services.mozilla.com/D11584
This commit is contained in:
Emilio Cobos Álvarez 2018-11-11 18:16:00 +01:00
parent 4bc9bc11e1
commit 4c3646eff0
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2 changed files with 11 additions and 1 deletions
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1
components/style/properties/longhands/ui.mako.rs
View file

@ -39,7 +39,6 @@ ${helpers.predefined_type(
gecko_ffi_name="mUserSelect",
alias="-webkit-user-select",
animation_value_type="discrete",
needs_context=False,
spec="https://drafts.csswg.org/css-ui-4/#propdef-user-select",
)}

11
components/style/values/specified/ui.rs
View file

@ -141,6 +141,11 @@ impl Parse for ScrollbarColor {
}
}
fn in_ua_sheet(context: &ParserContext) -> bool {
use crate::stylesheets::Origin;
context.stylesheet_origin == Origin::UserAgent
}
/// The specified value for the `user-select` property.
///
/// https://drafts.csswg.org/css-ui-4/#propdef-user-select
@ -167,5 +172,11 @@ pub enum UserSelect {
All,
/// Like `text`, except that it won't get overridden by ancestors having
/// `all`.
///
/// FIXME(emilio): This only has one use in contenteditable.css, can we find
/// a better way to do this?
///
/// See bug 1181130.
#[parse(condition = "in_ua_sheet")]
MozText,
}