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

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This commit is contained in:
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
View file

@ -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,
}
}

23
tests/wpt/mozilla/meta/MANIFEST.json
View file

@ -7511,6 +7511,18 @@
{}
]
],
"mozilla/text-overflow-ellipsis-stacking-context.html": [
[
"mozilla/text-overflow-ellipsis-stacking-context.html",
[
[
"/_mozilla/mozilla/text-overflow-ellipsis-stacking-context-ref.html",
"=="
]
],
{}
]
],
"mozilla/textarea_placeholder.html": [
[
"mozilla/textarea_placeholder.html",
@ -9733,6 +9745,9 @@
"mozilla/test.txt": [
[]
],
"mozilla/text-overflow-ellipsis-stacking-context-ref.html": [
[]
],
"mozilla/textarea_placeholder_ref.html": [
[]
],
@ -19498,6 +19513,14 @@
"9235007d960cc6c804a93c89f24881bedc3613c3",
"support"
],
"mozilla/text-overflow-ellipsis-stacking-context-ref.html": [
"14215e780ab4a0cf00ef23b8472636a393aeacf1",
"support"
],
"mozilla/text-overflow-ellipsis-stacking-context.html": [
"791f028522972f0bffd31b6663369c896b39c088",
"reftest"
],
"mozilla/textarea_placeholder.html": [
"6dd1f1e1e0c8250532db1afc1f6b876bfa1b6f8c",
"reftest"

1
tests/wpt/mozilla/tests/mozilla/text-overflow-ellipsis-stacking-context-ref.html Normal file
View file

@ -0,0 +1 @@
This page should successfully load.<p><span style="padding-left: 1px">…</span>

21
tests/wpt/mozilla/tests/mozilla/text-overflow-ellipsis-stacking-context.html Normal file
View file

@ -0,0 +1,21 @@
<!DOCTYPE html>
<link rel="match" href="text-overflow-ellipsis-stacking-context-ref.html">
<style>
.ellipsis-overflow {
overflow: hidden;
text-overflow: ellipsis;
display: inline-block;
width: 10px;
}
.stacking-context {
transform: translateX(1px);
display: inline-block;
width: 1px;
}
</style>
This page should successfully load.<p>
<div class="stacking-context">
<div class="ellipsis-overflow"></div>
</div>