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LibWeb: Add EventTarget::has_event_listener(FlyString type)

This returns true if the EventTarget has one or more registered
listeners for a given even type.
This commit is contained in:
Andreas Kling 2022-10-24 14:56:29 +02:00
parent 51579810bd
commit e0a08f2ab0
2 changed files with 11 additions and 0 deletions

View file

@ -735,4 +735,13 @@ bool EventTarget::dispatch_event(Event& event)
return EventDispatcher::dispatch(*this, event);
}
bool EventTarget::has_event_listener(FlyString const& type) const
{
for (auto& listener : m_event_listener_list) {
if (listener->type == type)
return true;
}
return false;
}
}