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layout: Ensure truncated fragment is updated with results of collecting inner fragment's stacking contexts.

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Josh Matthews 2019-12-03 13:38:55 -05:00 • committed by Simon Sapin
parent f31a88d85d
commit 6dad51f570
4 changed files with 54 additions and 3 deletions
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12
components/layout/display_list/builder.rs
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@ -606,9 +606,15 @@ impl Fragment {
true
},
// FIXME: In the future, if #15144 is fixed we can remove this case. See #18510.
SpecificFragmentInfo::TruncatedFragment(ref mut info) => info
.full
.collect_stacking_contexts_for_blocklike_fragment(state),
SpecificFragmentInfo::TruncatedFragment(ref mut info) => {
let _ = info
.full
.collect_stacking_contexts_for_blocklike_fragment(state);
// To ensure the caller updates this fragment's stacking context
// appropriately based on the un-truncated fragment's status,
// we don't pass on the result of collecting stacking contexts.
false
},
_ => false,
}
}