Introduce NodeRareData and ElementRareData

This commit is contained in:
Fernando Jiménez Moreno 2019-03-06 15:34:25 +01:00
parent 813b242419
commit 6af4729f42
4 changed files with 46 additions and 17 deletions

View file

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/* 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 crate::dom::bindings::root::MutNullableDom;
use crate::dom::shadowroot::ShadowRoot;
#[derive(Default, JSTraceable, MallocSizeOf)]
#[must_root]
pub 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 owner_shadow_root: MutNullableDom<ShadowRoot>,
}
#[derive(Default, JSTraceable, MallocSizeOf)]
#[must_root]
pub struct ElementRareData {
/// https://dom.spec.whatwg.org/#dom-element-shadowroot
/// XXX This is currently not exposed to web content. Only for
/// internal use.
pub shadow_root: MutNullableDom<ShadowRoot>,
}