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Allow the <details> element to be opened and closed (#35261)

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* Implement the <summary> element

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Implement UA shadow root for <details>

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Invalidate style when display is opened or closed

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Fix /_mozilla/mozilla/duplicated_scroll_ids.html

This test previously assumed that <details> elements would
not be rendered.

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Implement implicit summary elements

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Update WPT expectations

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Remove test for duplicated scroll IDs

See https://github.com/servo/servo/pull/35261#discussion_r1969328725 for
reasoning.

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Use Iterator::find to find implicit summary element

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

---------

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
This commit is contained in:
Simon Wülker 2025-02-25 12:56:36 +01:00 • committed by GitHub
parent cceff77928
commit 754b117011
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17 changed files with 251 additions and 94 deletions
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13
resources/servo.css
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@ -327,4 +327,17 @@ meter:-moz-meter-sub-optimum div {
}
meter:-moz-meter-sub-sub-optimum div {
background: linear-gradient(#f77, #f77, #fcc 20%, #d44 45%, #d44 55%);
}
/* https://html.spec.whatwg.org/#the-details-and-summary-elements */
details, summary {
display: block;
}
details > summary:first-of-type {
display: list-item;
counter-increment: list-item 0;
list-style: disclosure-closed inside;
}
details[open] > summary:first-of-type {
list-style-type: disclosure-open;
}