dom: IntersectionObserver initialization (#35314)

* Add internal slot definition

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Add initialization for new IntersectionObserver

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Move observer initialization

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Update WPT tests

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Make a copy of style IntersectionObserverRootMargin

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Move initialization to account for rooted expression

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix some fields typing

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Impl rest of IntersectionObserver interface

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Fix tidy issue

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Apply types logic and tidy fix from suggestions

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

* Add allow unrooted for add registration to element

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>

---------

Signed-off-by: stevennovaryo <steven.novaryo@gmail.com>
This commit is contained in:
Steven Novaryo 2025-02-13 15:47:29 +08:00 committed by GitHub
parent 610a1c2303
commit becd097585
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11 changed files with 439 additions and 64 deletions

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@ -13,6 +13,7 @@ use crate::dom::customelementregistry::{
};
use crate::dom::elementinternals::ElementInternals;
use crate::dom::htmlslotelement::SlottableData;
use crate::dom::intersectionobserver::IntersectionObserverRegistration;
use crate::dom::mutationobserver::RegisteredObserver;
use crate::dom::node::UniqueId;
use crate::dom::shadowroot::ShadowRoot;
@ -58,4 +59,9 @@ pub(crate) struct ElementRareData {
pub(crate) client_rect: Option<LayoutValue<Rect<i32>>>,
/// <https://html.spec.whatwg.org/multipage#elementinternals>
pub(crate) element_internals: Option<Dom<ElementInternals>>,
/// <https://w3c.github.io/IntersectionObserver/#element-private-slots>
/// > Element objects have an internal [[RegisteredIntersectionObservers]] slot,
/// > which is initialized to an empty list. This list holds IntersectionObserverRegistration records, which have:
pub(crate) registered_intersection_observers: Vec<IntersectionObserverRegistration>,
}