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script_thread: handle_unfocus_msg ignores unfocus request of top-level document (#37955)

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`ScriptThread::handle_unfocus_msg` ignores unfocus request of top-level
document
Fix errors in webdriver navigation commands, which may request unfocus
on top-level documents.

Testing: 
`tests/wpt/meta/webdriver/tests/classic/back/back.py`
`tests/wpt/meta/webdriver/tests/classic/forward/forward.py`

Signed-off-by: batu_hoang <longvatrong111@gmail.com>
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batu_hoang 2025-07-11 15:13:16 +08:00 • committed by GitHub
parent 75c13f1422
commit edfacec9c8
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1 changed files with 4 additions and 4 deletions
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8
components/script/dom/document.rs
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@ -1217,10 +1217,10 @@ impl Document {
/// document's container is removed from the top-level browsing context's
/// focus chain (not considering system focus).
pub(crate) fn handle_container_unfocus(&self, can_gc: CanGc) {
assert!(
self.window().parent_info().is_some(),
"top-level document cannot be unfocused",
);
if self.window().parent_info().is_none() {
warn!("Top-level document cannot be unfocused");
return;
}
// Since this method is called from an event loop, there mustn't be
// an in-progress focus transaction