Source code

Revision control

Copy as Markdown

Other Tools

/* -*- 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
* The origin of this IDL file is
interface CSSStyleRule : CSSGroupingRule {
attribute UTF8String selectorText;
[SameObject, PutForwards=cssText] readonly attribute CSSStyleDeclaration 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);
[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 {
dictionary SelectorWarning {
required unsigned long index;
required SelectorWarningKind kind;