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layout: Take into account display: table etc in offset* queries (#32448)

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* layout: Take into account `display: table` etc in offset* queries

The specification says that for deciding whether an element should be
used for offset* queries, a browser should take into account whether the
element is a table cell or table. This change makes that happen.

Co-authored-by: Oriol Brufau <obrufau@igalia.com>

* Only tag HTML elements if they are in the HTML namespace

---------

Co-authored-by: Oriol Brufau <obrufau@igalia.com>
This commit is contained in:
Martin Robinson 2024-06-10 17:05:57 +02:00 • committed by GitHub
parent 35bbcc0d95
commit f4c9b310d5
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11 changed files with 60 additions and 127 deletions
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23
components/layout_2020/dom_traversal.rs
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@ -89,14 +89,21 @@ where
});
let threadsafe_node = node.to_threadsafe();
let flags = match threadsafe_node.as_element() {
Some(element) if element.is_body_element_of_html_element_root() => {
FragmentFlags::IS_BODY_ELEMENT_OF_HTML_ELEMENT_ROOT
},
Some(element) if element.get_local_name() == &local_name!("br") => {
FragmentFlags::IS_BR_ELEMENT
},
_ => FragmentFlags::empty(),
let mut flags = FragmentFlags::empty();
if let Some(element) = threadsafe_node.as_html_element() {
if element.is_body_element_of_html_element_root() {
flags.insert(FragmentFlags::IS_BODY_ELEMENT_OF_HTML_ELEMENT_ROOT);
}
match element.get_local_name() {
&local_name!("br") => {
flags.insert(FragmentFlags::IS_BR_ELEMENT);
},
&local_name!("table") | &local_name!("th") | &local_name!("td") => {
flags.insert(FragmentFlags::IS_TABLE_TH_OR_TD_ELEMENT);
},
_ => {},
}
};
Self {