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LibWeb: Add function to EventTarget that says if it has any listeners

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Required by XHR to determine if it should use CORS-preflight if its
upload object has any event listeners.
This commit is contained in:
Luke Wilde 2023-02-28 18:39:11 +00:00 committed by Linus Groh
parent acd5382924
commit 80fad65e5b
Notes: sideshowbarker 2024-07-17 10:54:57 +09:00 
Author: https://github.com/Lubrsi
Commit: https://github.com/SerenityOS/serenity/commit/80fad65e5b
Pull-request: https://github.com/SerenityOS/serenity/pull/17669
Reviewed-by: https://github.com/davidot
Reviewed-by: https://github.com/linusg ✅
2 changed files with 6 additions and 0 deletions
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5
Userland/Libraries/LibWeb/DOM/EventTarget.cpp
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@ -744,4 +744,9 @@ bool EventTarget::has_event_listener(DeprecatedFlyString const& type) const
return false;
}
bool EventTarget::has_event_listeners() const
{
return !m_event_listener_list.is_empty();
}
}

1
Userland/Libraries/LibWeb/DOM/EventTarget.h
View File

@ -55,6 +55,7 @@ public:
void set_event_handler_attribute(DeprecatedFlyString const& name, WebIDL::CallbackType*);
bool has_event_listener(DeprecatedFlyString const& type) const;
bool has_event_listeners() const;
protected:
explicit EventTarget(JS::Realm&);