author Olli Pettay <>
Thu, 21 Jun 2018 15:28:47 +0300
changeset 423266 412d616528061512809285bce66dc6457fdd02ee
parent 418010 6f0eb5c180c1aaa715c737e18d43638bc05ad5b7
child 436243 b417c2d937e8b0a4987e61b1d47efae4435a3fde
permissions -rw-r--r--
Bug 1470099 - Make CSSStyleDeclaration's wrapper use nursery heap and make last Release call ClearComputedStyle(), r=emilio

/* -*- 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

 // Because of getComputedStyle, many CSSStyleDeclaration objects can be
 // short-living.
interface CSSStyleDeclaration {
  [CEReactions, SetterNeedsSubjectPrincipal=NonSystem, SetterThrows]
  attribute DOMString cssText;

  readonly attribute unsigned long length;
  getter DOMString item(unsigned long index);

  [Throws, ChromeOnly]
  sequence<DOMString> getCSSImageURLs(DOMString property);

  DOMString getPropertyValue(DOMString property);
  DOMString getPropertyPriority(DOMString property);
  [CEReactions, NeedsSubjectPrincipal=NonSystem, Throws]
  void setProperty(DOMString property, [TreatNullAs=EmptyString] DOMString value, [TreatNullAs=EmptyString] optional DOMString priority = "");
  [CEReactions, Throws]
  DOMString removeProperty(DOMString property);

  readonly attribute CSSRule? parentRule;