servo/components/script/dom/raredata.rs
Steven Novaryo becd097585
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>
2025-02-13 07:47:29 +00:00

67 lines
3 KiB
Rust

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
use std::rc::Rc;
use euclid::default::Rect;
use servo_atoms::Atom;
use crate::dom::bindings::root::Dom;
use crate::dom::customelementregistry::{
CustomElementDefinition, CustomElementReaction, CustomElementState,
};
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;
use crate::dom::window::LayoutValue;
//XXX(ferjm) Ideally merge NodeRareData and ElementRareData so they share
// storage.
#[derive(Default, JSTraceable, MallocSizeOf)]
#[cfg_attr(crown, crown::unrooted_must_root_lint::must_root)]
pub(crate) struct NodeRareData {
/// The shadow root the node belongs to.
/// This is None if the node is not in a shadow tree or
/// if it is a ShadowRoot.
pub(crate) containing_shadow_root: Option<Dom<ShadowRoot>>,
/// Registered observers for this node.
pub(crate) mutation_observers: Vec<RegisteredObserver>,
/// Lazily-generated Unique Id for this node.
pub(crate) unique_id: Option<UniqueId>,
pub(crate) slottable_data: SlottableData,
}
#[derive(Default, JSTraceable, MallocSizeOf)]
#[cfg_attr(crown, crown::unrooted_must_root_lint::must_root)]
pub(crate) struct ElementRareData {
/// <https://dom.spec.whatwg.org/#dom-element-shadowroot>
/// The ShadowRoot this element is host of.
pub(crate) shadow_root: Option<Dom<ShadowRoot>>,
/// <https://html.spec.whatwg.org/multipage/#custom-element-reaction-queue>
pub(crate) custom_element_reaction_queue: Vec<CustomElementReaction>,
/// <https://dom.spec.whatwg.org/#concept-element-custom-element-definition>
#[ignore_malloc_size_of = "Rc"]
pub(crate) custom_element_definition: Option<Rc<CustomElementDefinition>>,
/// <https://dom.spec.whatwg.org/#concept-element-custom-element-state>
pub(crate) custom_element_state: CustomElementState,
/// The "name" content attribute; not used as frequently as id, but used
/// in named getter loops so it's worth looking up quickly when present
#[no_trace]
pub(crate) name_attribute: Option<Atom>,
/// The client rect reported by layout.
#[no_trace]
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>,
}