From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- js/xpconnect/loader/ComponentUtils.sys.mjs | 33 ++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100644 js/xpconnect/loader/ComponentUtils.sys.mjs (limited to 'js/xpconnect/loader/ComponentUtils.sys.mjs') diff --git a/js/xpconnect/loader/ComponentUtils.sys.mjs b/js/xpconnect/loader/ComponentUtils.sys.mjs new file mode 100644 index 0000000000..cfffb96ef7 --- /dev/null +++ b/js/xpconnect/loader/ComponentUtils.sys.mjs @@ -0,0 +1,33 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- + * vim: sw=2 ts=2 sts=2 et filetype=javascript + * 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/. */ + +/** + * Deprecated utilities for JavaScript components loaded by the JS component + * loader. + */ + +const nsIFactoryQI = ChromeUtils.generateQI(["nsIFactory"]); + +export var ComponentUtils = { + /** + * Generates a singleton nsIFactory implementation that can be used as + * an argument to nsIComponentRegistrar.registerFactory. + * @param aServiceConstructor + * Constructor function of the component. + */ + generateSingletonFactory(aServiceConstructor) { + return { + _instance: null, + createInstance(aIID) { + if (this._instance === null) { + this._instance = new aServiceConstructor(); + } + return this._instance.QueryInterface(aIID); + }, + QueryInterface: nsIFactoryQI, + }; + }, +}; -- cgit v1.2.3