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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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4
components/layout_thread/lib.rs
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@ -1194,8 +1194,6 @@ impl LayoutThread {
debug!("Doc sheets changed, flushing author sheets too");
self.stylist.force_stylesheet_origins_dirty(Origin::Author.into());
}
self.stylist.flush(&guards, Some(element));
}
if viewport_size_changed {
@ -1246,6 +1244,8 @@ impl LayoutThread {
debug!("Noting restyle for {:?}: {:?}", el, style_data);
}
self.stylist.flush(&guards, Some(element), Some(&map));
// Create a layout context for use throughout the following passes.
let mut layout_context =
self.build_layout_context(guards.clone(), true, &map);