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Clear animation-only dirty descendants bit on display:none descendants

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When an element has a display:none ancestor we don't traverse it during
restyle. However, at the end of restyling we expect the tree to be free
of dirty bits. We currently take special care to clear the regular
(non-animation) dirty bit on nodes in display:none subtrees in order to
preserve this invariant. This patch applies the same handling to the
animation-only dirty descendants bit.
This commit is contained in:
Brian Birtles 2017-04-26 14:14:30 +09:00
parent 5daf92dd5a
commit 0d0c2701ff
1 changed files with 8 additions and 2 deletions
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10
components/style/traversal.rs
View file

@ -537,7 +537,10 @@ pub fn resolve_style<E, F, G, H>(context: &mut StyleContext<E>, element: E,
if !in_doc || display_none_root.is_some() {
let mut curr = element;
loop {
unsafe { curr.unset_dirty_descendants(); }
unsafe {
curr.unset_dirty_descendants();
curr.unset_animation_only_dirty_descendants();
}
if in_doc && curr == display_none_root.unwrap() {
break;
}
@ -789,5 +792,8 @@ pub fn clear_descendant_data<E: TElement, F: Fn(E)>(el: E, clear_data: &F) {
}
}
unsafe { el.unset_dirty_descendants(); }
unsafe {
el.unset_dirty_descendants();
el.unset_animation_only_dirty_descendants();
}
}