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LibWeb: Make event dispatching spec-compliant

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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.
This commit is contained in:
Luke 2020-11-21 18:32:39 +00:00 • committed by Andreas Kling
parent 819f099a8e
commit e8b3a65581
32 changed files with 858 additions and 54 deletions
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13
Libraries/LibWeb/DOM/Window.h
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@ -32,6 +32,7 @@
#include <AK/RefPtr.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/DOM/Event.h>
#include <LibWeb/DOM/EventTarget.h>
namespace Web::DOM {
@ -48,7 +49,7 @@ public:
virtual void ref_event_target() override { RefCounted::ref(); }
virtual void unref_event_target() override { RefCounted::unref(); }
virtual void dispatch_event(NonnullRefPtr<Event>) override;
virtual bool dispatch_event(NonnullRefPtr<Event>) override;
virtual Bindings::EventTargetWrapper* create_wrapper(JS::GlobalObject&) override;
const Document& document() const { return m_document; }
@ -77,6 +78,11 @@ public:
HighResolutionTime::Performance& performance() { return *m_performance; }
virtual bool is_window() const override { return true; }
const Event* current_event() const { return m_current_event; }
void set_current_event(Event* event) { m_current_event = event; }
private:
explicit Window(Document&);
@ -87,6 +93,11 @@ private:
HashMap<int, NonnullRefPtr<Timer>> m_timers;
NonnullOwnPtr<HighResolutionTime::Performance> m_performance;
RefPtr<Event> m_current_event;
};
}
AK_BEGIN_TYPE_TRAITS(Web::DOM::Window)
static bool is_type(const Web::DOM::EventTarget& event_target) { return event_target.is_window(); }
AK_END_TYPE_TRAITS()