servo/components/script_bindings/webidls/CSSStyleRule.webidl
Oriol Brufau 0cdc1dcf72
Turn CSSStyleRule into a CSSGroupingRule subclass (#36254)
Note that `StyleRule` may not have the `CssRules` readily available,
they may need to be created. So the previous approach of providing
`CSSGroupingRule` with the `CssRules` is no good: it would require
writing them in advance, just in case they end up being used.

Therefore, this removes the `CSSGroupingRule::rules` field. Instead,
they are lazily obtained in `CSSGroupingRule::rulelist()` by downcasting
and calling the appropriate method for the subclass.

Testing: covered by WPT
Fixes: #36245

Signed-off-by: Oriol Brufau <obrufau@igalia.com>
2025-04-01 19:18:07 +00:00

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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/. */
// https://drafts.csswg.org/cssom/#the-cssstylerule-interface
[Exposed=Window]
interface CSSStyleRule : CSSGroupingRule {
attribute DOMString selectorText;
[SameObject, PutForwards=cssText] readonly attribute CSSStyleDeclaration style;
};