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LibWeb: Implement the "fire a focus event" spec

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We weren't setting the focus event's composed flag and view field
correctly.
This commit is contained in:
Jelle Raaijmakers 2024-08-14 11:39:32 +02:00 • committed by Tim Ledbetter
commit 124779a376
Notes: github-actions[bot] 2024-08-14 19:54:26 +00:00
5 changed files with 48 additions and 45 deletions
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42
Userland/Libraries/LibWeb/HTML/Focus.cpp
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@ -19,6 +19,24 @@
namespace Web::HTML {
// https://html.spec.whatwg.org/multipage/interaction.html#fire-a-focus-event
static void fire_a_focus_event(JS::GCPtr<DOM::EventTarget> focus_event_target, JS::GCPtr<DOM::EventTarget> related_focus_target, FlyString const& event_name, bool bubbles)
{
// To fire a focus event named e at an element t with a given related target r, fire an event named e at t, using FocusEvent,
// with the relatedTarget attribute initialized to r, the view attribute initialized to t's node document's relevant global
// object, and the composed flag set.
UIEvents::FocusEventInit focus_event_init {};
focus_event_init.related_target = related_focus_target;
focus_event_init.view = verify_cast<HTML::Window>(focus_event_target->realm().global_object());
auto focus_event = UIEvents::FocusEvent::create(focus_event_target->realm(), event_name, focus_event_init);
// AD-HOC: support bubbling focus events, used for focusin & focusout.
// See: https://github.com/whatwg/html/issues/3514
focus_event->set_bubbles(bubbles);
focus_event->set_composed(true);
focus_event_target->dispatch_event(focus_event);
}
// https://html.spec.whatwg.org/multipage/interaction.html#focus-update-steps
static void run_focus_update_steps(Vector<JS::Handle<DOM::Node>> old_chain, Vector<JS::Handle<DOM::Node>> new_chain, DOM::Node* new_focus_target)
{
@ -74,16 +92,11 @@ static void run_focus_update_steps(Vector<JS::Handle<DOM::Node>> old_chain, Vect
// 4. If blur event target is not null, fire a focus event named blur at blur event target,
// with related blur target as the related target.
if (blur_event_target) {
// FIXME: Implement the "fire a focus event" spec operation.
auto blur_event = UIEvents::FocusEvent::create(blur_event_target->realm(), HTML::EventNames::blur);
blur_event->set_related_target(related_blur_target);
blur_event_target->dispatch_event(blur_event);
}
fire_a_focus_event(blur_event_target, related_blur_target, HTML::EventNames::blur, false);
auto focusout_event = UIEvents::FocusEvent::create(blur_event_target->realm(), HTML::EventNames::focusout);
focusout_event->set_bubbles(true);
focusout_event->set_related_target(related_blur_target);
blur_event_target->dispatch_event(focusout_event);
// AD-HOC: dispatch focusout
fire_a_focus_event(blur_event_target, related_blur_target, HTML::EventNames::focusout, true);
}
}
// FIXME: 3. Apply any relevant platform-specific conventions for focusing new focus target.
@ -124,15 +137,10 @@ static void run_focus_update_steps(Vector<JS::Handle<DOM::Node>> old_chain, Vect
// 4. If focus event target is not null, fire a focus event named focus at focus event target,
// with related focus target as the related target.
if (focus_event_target) {
// FIXME: Implement the "fire a focus event" spec operation.
auto focus_event = UIEvents::FocusEvent::create(focus_event_target->realm(), HTML::EventNames::focus);
focus_event->set_related_target(related_focus_target);
focus_event_target->dispatch_event(focus_event);
fire_a_focus_event(focus_event_target, related_focus_target, HTML::EventNames::focus, false);
auto focusin_event = UIEvents::FocusEvent::create(focus_event_target->realm(), HTML::EventNames::focusin);
focusin_event->set_bubbles(true);
focusin_event->set_related_target(related_focus_target);
focus_event_target->dispatch_event(focusin_event);
// AD-HOC: dispatch focusin
fire_a_focus_event(focus_event_target, related_focus_target, HTML::EventNames::focusin, true);
}
}
}