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improve spec compliance of discarding BCs

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do not handle compositor input events when BC is being discarded

prevent firing of timers for discarded BCs

return null for opener is BC has been discarded

bundle discard BC steps into window method

return null in window.opener, if BC has already been discarded

move the window closed check pre-event to script-thread
This commit is contained in:
Gregory Terzian 2019-09-05 16:12:52 +08:00
parent 4fe8238b14
commit 45ec250b0a
7 changed files with 133 additions and 53 deletions
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7
components/script/dom/htmliframeelement.rs
View file

@ -668,15 +668,14 @@ impl VirtualMethods for HTMLIFrameElement {
// so we need to discard the browsing contexts now, rather than
// when the `PipelineExit` message arrives.
for exited_pipeline_id in exited_pipeline_ids {
// https://html.spec.whatwg.org/multipage/#a-browsing-context-is-discarded
if let Some(exited_document) = ScriptThread::find_document(exited_pipeline_id) {
debug!(
"Discarding browsing context for pipeline {}",
exited_pipeline_id
);
exited_document
.window()
.window_proxy()
.discard_browsing_context();
let exited_window = exited_document.window();
exited_window.discard_browsing_context();
for exited_iframe in exited_document.iter_iframes() {
debug!("Discarding nested browsing context");
exited_iframe.destroy_nested_browsing_context();