servo/components/script/dom/webidls/ShadowRoot.webidl
Simon Wülker dabe162d44
Implement shadow dom slots (#35013)
* Implement slot-related algorithms

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Hook up slot elements to DOM creation logic

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Set a slot assignment mode for servo-internal shadow roots

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Assign slots when a slottable's slot attribute changes

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Properly compute slot name

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* ./mach test-tidy

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Update <slot> name when name attribute changes

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Implement fast path for Node::assign_slottables_for_a_tree

assign_slottables_for_a_tree traverses all descendants of the node
and is potentially very expensive. If the node is not a shadow root
then assigning slottables to it won't have any effect, so we
take a fast path out.

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Move slottable data into ElementRareData

This shrinks all element descendants back to their
original size.

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Address review comments

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

* Update WPT expectations

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>

---------

Signed-off-by: Simon Wülker <simon.wuelker@arcor.de>
2025-01-19 14:05:05 +00:00

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1.2 KiB
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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/. */
/*
* The origin of this IDL file is:
* https://dom.spec.whatwg.org/#interface-shadowroot
*/
[Exposed=Window]
interface ShadowRoot : DocumentFragment {
readonly attribute ShadowRootMode mode;
// readonly attribute boolean delegatesFocus;
readonly attribute SlotAssignmentMode slotAssignment;
readonly attribute boolean clonable;
// readonly attribute boolean serializable;
readonly attribute Element host;
// attribute EventHandler onslotchange;
};
enum ShadowRootMode { "open", "closed"};
enum SlotAssignmentMode { "manual", "named" };
ShadowRoot includes DocumentOrShadowRoot;
// https://html.spec.whatwg.org/multipage/#dom-parsing-and-serialization
partial interface ShadowRoot {
// [CEReactions] undefined setHTMLUnsafe((TrustedHTML or DOMString) html);
// DOMString getHTML(optional GetHTMLOptions options = {});
// [CEReactions] attribute (TrustedHTML or [LegacyNullToEmptyString] DOMString) innerHTML;
[CEReactions] attribute [LegacyNullToEmptyString] DOMString innerHTML;
};