1 files changed, 49 insertions, 0 deletions
diff --git a/dom/webidl/CSSStyleSheet.webidl b/dom/webidl/CSSStyleSheet.webidl
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+++ b/dom/webidl/CSSStyleSheet.webidl
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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
+ * http://dev.w3.org/csswg/cssom/
+ * https://wicg.github.io/construct-stylesheets/
+ */
+
+enum CSSStyleSheetParsingMode {
+  "author",
+  "user",
+  "agent"
+};
+
+dictionary CSSStyleSheetInit {
+  (MediaList or UTF8String) media = "";
+  boolean disabled = false;
+  UTF8String baseURL;
+};
+
+[Exposed=Window]
+interface CSSStyleSheet : StyleSheet {
+  [Throws]
+  constructor(optional CSSStyleSheetInit options = {});
+  [Pure, BinaryName="DOMOwnerRule"]
+  readonly attribute CSSRule? ownerRule;
+  [Throws, NeedsSubjectPrincipal]
+  readonly attribute CSSRuleList cssRules;
+  [ChromeOnly, BinaryName="parsingModeDOM"]
+  readonly attribute CSSStyleSheetParsingMode parsingMode;
+  [Throws, NeedsSubjectPrincipal]
+  unsigned long insertRule(UTF8String rule, optional unsigned long index = 0);
+  [Throws, NeedsSubjectPrincipal]
+  undefined deleteRule(unsigned long index);
+  [NewObject]
+  Promise<CSSStyleSheet> replace(UTF8String text);
+  [Throws]
+  undefined replaceSync(UTF8String text);
+
+  // Non-standard WebKit things.
+  [Throws, NeedsSubjectPrincipal, BinaryName="cssRules"]
+  readonly attribute CSSRuleList rules;
+  [Throws, NeedsSubjectPrincipal, BinaryName="deleteRule"]
+  undefined removeRule(optional unsigned long index = 0);
+  [Throws, NeedsSubjectPrincipal]
+  long addRule(optional UTF8String selector = "undefined", optional UTF8String style = "undefined", optional unsigned long index);
+};