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style: Look at the snapshots when invalidating due to stylesheet changes.

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Otherwise removal of stylesheets may get out of sync with other DOM changes, and
we may fail to invalidate the style of the affected elements.

Bug: 1432850
Reviewed-by: bz
MozReview-Commit-ID: DrMTgLzQcnk
This commit is contained in:
Emilio Cobos Álvarez 2018-01-25 02:53:49 +01:00
parent c2dfece49f
commit 657d8b8e31
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GPG key ID: 056B727BB9C1027C
8 changed files with 95 additions and 37 deletions
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6
components/style/stylesheet_set.rs
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@ -7,6 +7,7 @@
use dom::TElement;
use invalidation::stylesheets::StylesheetInvalidationSet;
use media_queries::Device;
use selector_parser::SnapshotMap;
use shared_lock::SharedRwLockReadGuard;
use std::slice;
use stylesheets::{Origin, OriginSet, OriginSetIterator, PerOrigin, StylesheetInDocument};
@ -502,6 +503,7 @@ where
pub fn flush<'a, E>(
&'a mut self,
document_element: Option<E>,
snapshots: Option<&SnapshotMap>,
) -> StylesheetFlusher<'a, S>
where
E: TElement,
@ -510,7 +512,9 @@ where
debug!("StylesheetSet::flush");
let had_invalidations = self.invalidations.flush(document_element);
let had_invalidations =
self.invalidations.flush(document_element, snapshots);
let origins_dirty =
mem::replace(&mut self.origins_dirty, OriginSet::empty());