Wed, 31 Dec 2014 06:55:50 +0100
Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2
michael@0 | 1 | /* This Source Code Form is subject to the terms of the Mozilla Public |
michael@0 | 2 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
michael@0 | 3 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
michael@0 | 4 | |
michael@0 | 5 | "use strict"; |
michael@0 | 6 | |
michael@0 | 7 | this.EXPORTED_SYMBOLS = [ |
michael@0 | 8 | "getAppInfo", |
michael@0 | 9 | "updateAppInfo", |
michael@0 | 10 | ]; |
michael@0 | 11 | |
michael@0 | 12 | |
michael@0 | 13 | const {interfaces: Ci, results: Cr, utils: Cu} = Components; |
michael@0 | 14 | |
michael@0 | 15 | Cu.import("resource://gre/modules/XPCOMUtils.jsm"); |
michael@0 | 16 | |
michael@0 | 17 | let APP_INFO = { |
michael@0 | 18 | vendor: "Mozilla", |
michael@0 | 19 | name: "xpcshell", |
michael@0 | 20 | ID: "xpcshell@tests.mozilla.org", |
michael@0 | 21 | version: "1", |
michael@0 | 22 | appBuildID: "20121107", |
michael@0 | 23 | platformVersion: "p-ver", |
michael@0 | 24 | platformBuildID: "20121106", |
michael@0 | 25 | inSafeMode: false, |
michael@0 | 26 | logConsoleErrors: true, |
michael@0 | 27 | OS: "XPCShell", |
michael@0 | 28 | XPCOMABI: "noarch-spidermonkey", |
michael@0 | 29 | QueryInterface: XPCOMUtils.generateQI([Ci.nsIXULAppInfo, Ci.nsIXULRuntime]), |
michael@0 | 30 | invalidateCachesOnRestart: function() {}, |
michael@0 | 31 | }; |
michael@0 | 32 | |
michael@0 | 33 | |
michael@0 | 34 | /** |
michael@0 | 35 | * Obtain a reference to the current object used to define XULAppInfo. |
michael@0 | 36 | */ |
michael@0 | 37 | this.getAppInfo = function () { return APP_INFO; } |
michael@0 | 38 | |
michael@0 | 39 | /** |
michael@0 | 40 | * Update the current application info. |
michael@0 | 41 | * |
michael@0 | 42 | * If the argument is defined, it will be the object used. Else, APP_INFO is |
michael@0 | 43 | * used. |
michael@0 | 44 | * |
michael@0 | 45 | * To change the current XULAppInfo, simply call this function. If there was |
michael@0 | 46 | * a previously registered app info object, it will be unloaded and replaced. |
michael@0 | 47 | */ |
michael@0 | 48 | this.updateAppInfo = function (obj) { |
michael@0 | 49 | obj = obj || APP_INFO; |
michael@0 | 50 | APP_INFO = obj; |
michael@0 | 51 | |
michael@0 | 52 | let id = Components.ID("{fbfae60b-64a4-44ef-a911-08ceb70b9f31}"); |
michael@0 | 53 | let cid = "@mozilla.org/xre/app-info;1"; |
michael@0 | 54 | let registrar = Components.manager.QueryInterface(Ci.nsIComponentRegistrar); |
michael@0 | 55 | |
michael@0 | 56 | // Unregister an existing factory if one exists. |
michael@0 | 57 | try { |
michael@0 | 58 | let existing = Components.manager.getClassObjectByContractID(cid, Ci.nsIFactory); |
michael@0 | 59 | registrar.unregisterFactory(id, existing); |
michael@0 | 60 | } catch (ex) {} |
michael@0 | 61 | |
michael@0 | 62 | let factory = { |
michael@0 | 63 | createInstance: function (outer, iid) { |
michael@0 | 64 | if (outer != null) { |
michael@0 | 65 | throw Cr.NS_ERROR_NO_AGGREGATION; |
michael@0 | 66 | } |
michael@0 | 67 | |
michael@0 | 68 | return obj.QueryInterface(iid); |
michael@0 | 69 | }, |
michael@0 | 70 | }; |
michael@0 | 71 | |
michael@0 | 72 | registrar.registerFactory(id, "XULAppInfo", cid, factory); |
michael@0 | 73 | }; |
michael@0 | 74 |