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layout: Implement node geometry queries against BoxTree's Fragment (#36663)

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This is a followup to #36629, continuing to implement script-based
layout queries  using the `Fragment`s attached to the `BoxTree`. In this
change, geometry queris (apart from parent offset) are calculated using
`Fragment`s hanging of the `BoxTree`.

In order to make this work, all `Fragment`s for inlines split by blocks,
need to be accessible in the `BoxTree`. This required some changes to
the way that box tree items were stored in DOM `BoxSlot`s. Now every
inline level item can have more than a single `BoxTree` item. These are
carefully collected by the `InlineFormattingContextBuilder` -- currently
a bit fragile, but with more documentation.

Testing: There are tests for these changes.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
Co-authored-by: Oriol Brufau <obrufau@igalia.com>
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Martin Robinson 2025-04-25 15:38:05 +02:00 • committed by GitHub
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commit b63a1818c4
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3
tests/wpt/meta/css/cssom-view/getBoundingClientRect-shy.html.ini vendored
View file

@ -29,8 +29,5 @@
[Rendered soft-hyphen should have a width.]
expected: FAIL
[Collapsed soft-hyphen in a span should be 0 width.]
expected: FAIL
[Rendered soft-hyphen in a span should have a width.]
expected: FAIL