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45 lines
1.8 KiB
Rust
45 lines
1.8 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use crate::dom::bindings::root::Dom;
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use crate::dom::customelementregistry::{
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CustomElementDefinition, CustomElementReaction, CustomElementState,
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};
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use crate::dom::mutationobserver::RegisteredObserver;
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use crate::dom::node::UniqueId;
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use crate::dom::shadowroot::ShadowRoot;
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use std::rc::Rc;
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//XXX(ferjm) Ideally merge NodeRareData and ElementRareData so they share
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// storage.
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#[derive(Default, JSTraceable, MallocSizeOf)]
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#[must_root]
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pub struct NodeRareData {
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/// The shadow root the node belongs to.
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/// This is None if the node is not in a shadow tree or
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/// if it is a ShadowRoot.
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pub containing_shadow_root: Option<Dom<ShadowRoot>>,
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/// Registered observers for this node.
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pub mutation_observers: Vec<RegisteredObserver>,
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/// Lazily-generated Unique Id for this node.
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pub unique_id: Option<UniqueId>,
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}
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#[derive(Default, JSTraceable, MallocSizeOf)]
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#[must_root]
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pub struct ElementRareData {
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/// https://dom.spec.whatwg.org/#dom-element-shadowroot
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/// The ShadowRoot this element is host of.
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/// XXX This is currently not exposed to web content. Only for
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/// internal use.
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pub shadow_root: Option<Dom<ShadowRoot>>,
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/// <https://html.spec.whatwg.org/multipage/#custom-element-reaction-queue>
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pub custom_element_reaction_queue: Vec<CustomElementReaction>,
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/// <https://dom.spec.whatwg.org/#concept-element-custom-element-definition>
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#[ignore_malloc_size_of = "Rc"]
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pub custom_element_definition: Option<Rc<CustomElementDefinition>>,
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/// <https://dom.spec.whatwg.org/#concept-element-custom-element-state>
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pub custom_element_state: CustomElementState,
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}
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