ExtensionEventManager.webidl (1288B)
1 /* -*- Mode: IDL; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 4 * You can obtain one at http://mozilla.org/MPL/2.0/. 5 * 6 * You are granted a license to use, reproduce and create derivative works of 7 * this document. 8 * 9 * This IDL file is related to the WebExtensions API object. 10 * 11 * More info about generating webidl API bindings for WebExtensions API at: 12 * 13 * https://firefox-source-docs.mozilla.org/toolkit/components/extensions/webextensions/webidl_bindings.html 14 * 15 * A short summary of the special setup used by these WebIDL files (meant to aid 16 * webidl peers reviews and sign-offs) is available in the following section: 17 * 18 * https://firefox-source-docs.mozilla.org/toolkit/components/extensions/webextensions/webidl_bindings.html#review-process-on-changes-to-webidl-definitions 19 */ 20 21 [Exposed=(ServiceWorker), LegacyNoInterfaceObject] 22 interface ExtensionEventManager { 23 [Throws] 24 undefined addListener(Function callback, optional object listenerOptions); 25 26 [Throws] 27 undefined removeListener(Function callback); 28 29 [Throws] 30 boolean hasListener(Function callback); 31 32 [Throws] 33 boolean hasListeners(); 34 };