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Move mutation observers list to NodeRareData

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This commit is contained in:
Fernando Jiménez Moreno 2019-03-06 16:05:59 +01:00
parent 6af4729f42
commit a9019da39d
2 changed files with 7 additions and 8 deletions
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11
components/script/dom/node.rs
View file

@ -5,7 +5,6 @@
//! The core DOM types. Defines the basic DOM hierarchy as well as all the HTML elements.
use crate::document_loader::DocumentLoader;
use crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::codegen::Bindings::CharacterDataBinding::CharacterDataMethods;
use crate::dom::bindings::codegen::Bindings::DocumentBinding::DocumentMethods;
use crate::dom::bindings::codegen::Bindings::ElementBinding::ElementMethods;
@ -152,9 +151,6 @@ pub struct Node {
/// node is finalized.
style_and_layout_data: Cell<Option<OpaqueStyleAndLayoutData>>,
/// Registered observers for this node.
mutation_observers: DomRefCell<Vec<RegisteredObserver>>,
unique_id: UniqueId,
}
@ -454,12 +450,13 @@ impl Node {
/// Return all registered mutation observers for this node.
pub fn registered_mutation_observers(&self) -> RefMut<Vec<RegisteredObserver>> {
self.mutation_observers.borrow_mut()
self.rare_data.mutation_observers.borrow_mut()
}
/// Removes the mutation observer for a given node.
pub fn remove_mutation_observer(&self, observer: &MutationObserver) {
self.mutation_observers
self.rare_data
.mutation_observers
.borrow_mut()
.retain(|reg_obs| &*reg_obs.observer != observer)
}
@ -1652,8 +1649,6 @@ impl Node {
style_and_layout_data: Cell::new(None),
mutation_observers: Default::default(),
unique_id: UniqueId::new(),
}
}

4
components/script/dom/raredata.rs
View file

@ -2,7 +2,9 @@
* 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 crate::dom::bindings::cell::DomRefCell;
use crate::dom::bindings::root::MutNullableDom;
use crate::dom::mutationobserver::RegisteredObserver;
use crate::dom::shadowroot::ShadowRoot;
#[derive(Default, JSTraceable, MallocSizeOf)]
@ -12,6 +14,8 @@ pub struct NodeRareData {
/// This is None if the node is not in a shadow tree or
/// if it is a ShadowRoot.
pub owner_shadow_root: MutNullableDom<ShadowRoot>,
/// Registered observers for this node.
pub mutation_observers: DomRefCell<Vec<RegisteredObserver>>,
}
#[derive(Default, JSTraceable, MallocSizeOf)]