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/* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 http://mozilla.org/MPL/2.0/.
*
* The origin of this IDL file is
* https://drafts.csswg.org/cssom/#the-cssstylerule-interface
*/
// https://drafts.csswg.org/cssom/#the-cssstylerule-interface
[Exposed=Window]
interface CSSStyleRule : CSSGroupingRule {
attribute UTF8String selectorText;
[SameObject, PutForwards=cssText] readonly attribute CSSStyleProperties style;
[ChromeOnly] readonly attribute unsigned long selectorCount;
[ChromeOnly] UTF8String selectorTextAt(unsigned long index, optional boolean desugared = false);
[ChromeOnly] unsigned long long selectorSpecificityAt(unsigned long index, optional boolean desugared = false);
[ChromeOnly] boolean selectorMatchesElement(
unsigned long selectorIndex,
Element element,
optional [LegacyNullToEmptyString] DOMString pseudo = "",
optional boolean includeVisitedStyle = false);
// Get scope root of this style rule's selector. Returns null if the rule is not within a scope rule,
// or if this selector does not match this style rule (Whether by not matching the selector, or it
// not having a no viable scope root).
[ChromeOnly] Element? getScopeRootFor(
unsigned long selectorIndex,
Element element,
optional [LegacyNullToEmptyString] DOMString pseudo = "",
optional boolean includeVisitedStyle = false);
[ChromeOnly] sequence<SelectorWarning> getSelectorWarnings();
// Get elements on the page matching the rule's selectors. This is helpful for DevTools
// so we can avoid computing a desugared selector, which can be very expensive on deeply
// nested rules.
[ChromeOnly] NodeList querySelectorAll(Node root);
};
enum SelectorWarningKind {
"UnconstrainedHas",
"SiblingCombinatorAfterScope",
};
dictionary SelectorWarning {
required unsigned long index;
required SelectorWarningKind kind;
};
// https://drafts.css-houdini.org/css-typed-om-1/#declared-stylepropertymap-objects
partial interface CSSStyleRule {
[SameObject, Pref="layout.css.typed-om.enabled"] readonly attribute StylePropertyMap styleMap;
};
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