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Author SHA1 Message Date
Luke
e8b3a65581 LibWeb: Make event dispatching spec-compliant
Specification: https://dom.spec.whatwg.org/#concept-event-dispatch

This also introduces shadow roots due to it being a requirement of
the event dispatcher.

However, it does not introduce the full shadow DOM, that can be
left for future work.

This changes some event dispatches which require certain attributes
to be initialised to a value.
2020-11-22 18:20:56 +01:00
Andreas Kling
8a6a9a8fb6 LibWeb: Move DOM event dispatch to its own class
For now, the new DOM::EventDispatcher is very simple, it just iterates
over the set of listeners on an EventTarget and invokes the callbacks
as it goes.

This simplifies EventTarget subclasses since they no longer have to
implement the callback mechanism themselves.
2020-09-06 14:48:14 +02:00