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LibWeb: Separate "event listener" from "EventListener"

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I can't imagine how this happened, but it seems we've managed to
conflate the "event listener" and "EventListener" concepts from the DOM
specification in some parts of the code.

We previously had two things:

    - DOM::EventListener
    - DOM::EventTarget::EventListenerRegistration

DOM::EventListener was roughly the "EventListener" IDL type,
and DOM::EventTarget::EventListenerRegistration was roughly the "event
listener" concept. However, they were used interchangeably (and
incorrectly!) in many places.

After this patch, we now have:

    - DOM::IDLEventListener
    - DOM::DOMEventListener

DOM::IDLEventListener is the "EventListener" IDL type,
and DOM::DOMEventListener is the "event listener" concept.

This patch also updates the addEventListener() and removeEventListener()
functions to follow the spec more closely, along with the "inner invoke"
function in our EventDispatcher.
This commit is contained in:
Andreas Kling 2022-02-16 20:43:24 +01:00
parent 0e2cd5540a
commit e76e8e22b5
21 changed files with 223 additions and 129 deletions
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4
Userland/Libraries/LibWeb/HTML/EventHandler.h
View file

@ -11,7 +11,7 @@
#include <LibJS/Heap/Handle.h>
#include <LibJS/Runtime/FunctionObject.h>
#include <LibWeb/Bindings/CallbackType.h>
#include <LibWeb/DOM/EventListener.h>
#include <LibWeb/DOM/DOMEventListener.h>
namespace Web::HTML {
@ -34,7 +34,7 @@ struct EventHandler {
Variant<String, Bindings::CallbackType> value;
// https://html.spec.whatwg.org/multipage/webappapis.html#event-handler-listener
RefPtr<DOM::EventListener> listener;
RefPtr<DOM::DOMEventListener> listener;
};
}