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style: Replicate the list of stylesheets on the layout thread.

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This is a patch that unifies a bit how Gecko and Stylo stylesheets work, in
order to be able to eventually move the stylesheets into the stylist, and be
able to incrementally update the invalidation map.
This commit is contained in:
Emilio Cobos Álvarez 2017-08-16 15:46:17 +02:00
parent b8159e659e
commit d1725b1f19
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GPG key ID: 056B727BB9C1027C
14 changed files with 413 additions and 198 deletions
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16
components/script/dom/bindings/trace.rs
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@ -102,7 +102,8 @@ use style::media_queries::MediaList;
use style::properties::PropertyDeclarationBlock;
use style::selector_parser::{PseudoElement, Snapshot};
use style::shared_lock::{SharedRwLock as StyleSharedRwLock, Locked as StyleLocked};
use style::stylesheets::{CssRules, FontFaceRule, KeyframesRule, MediaRule};
use style::stylesheet_set::StylesheetSet;
use style::stylesheets::{CssRules, FontFaceRule, KeyframesRule, MediaRule, Stylesheet};
use style::stylesheets::{NamespaceRule, StyleRule, ImportRule, SupportsRule, ViewportRule};
use style::stylesheets::keyframes_rule::Keyframe;
use style::values::specified::Length;
@ -374,6 +375,7 @@ unsafe_no_jsmanaged_fields!(AttrIdentifier);
unsafe_no_jsmanaged_fields!(AttrValue);
unsafe_no_jsmanaged_fields!(Snapshot);
unsafe_no_jsmanaged_fields!(PendingRestyle);
unsafe_no_jsmanaged_fields!(Stylesheet);
unsafe_no_jsmanaged_fields!(HttpsState);
unsafe_no_jsmanaged_fields!(Request);
unsafe_no_jsmanaged_fields!(RequestInit);
@ -641,6 +643,18 @@ unsafe impl JSTraceable for StyleLocked<MediaList> {
}
}
unsafe impl<S> JSTraceable for StylesheetSet<S>
where
S: JSTraceable + ::style::stylesheets::StylesheetInDocument + PartialEq + 'static,
{
unsafe fn trace(&self, tracer: *mut JSTracer) {
for s in self.iter() {
s.trace(tracer)
}
}
}
/// Holds a set of JSTraceables that need to be rooted
struct RootedTraceableSet {
set: Vec<*const JSTraceable>,