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dom: Implement current window event.

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This commit is contained in:
Josh Matthews 2020-05-05 15:04:44 -04:00
parent 19f4be38d2
commit 097a84671a
6 changed files with 63 additions and 24 deletions
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20
components/script/dom/event.rs
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@ -690,12 +690,15 @@ fn inner_invoke(
object.remove_listener_if_once(&event.type_(), &event_listener);
}
// Step 2.6-2.8
// FIXME(#25478): we need to get the global that the event
// listener is going to be called on, then if it's a Window
// set its .event to the event, remembering the previous
// value of its .event. This allows events to just use
// the word "event" instead of taking the event as an argument.
// Step 2.6
let global = listener.associated_global();
// Step 2.7-2.8
let current_event = if let Some(window) = global.downcast::<Window>() {
window.set_current_event(Some(event))
} else {
None
};
// Step 2.9 TODO: EventListener passive option not implemented
@ -712,8 +715,9 @@ fn inner_invoke(
// Step 2.11 TODO: passive not implemented
// Step 2.12
// TODO This is where we put back the .event we
// had before step 2.6.
if let Some(window) = global.downcast::<Window>() {
window.set_current_event(current_event.as_ref().map(|e| &**e));
}
// Step 2.13: short-circuit instead of going to next listener
if event.stop_immediate.get() {