46 lines
1.7 KiB
JavaScript
46 lines
1.7 KiB
JavaScript
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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm", this);
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Cu.import("resource://gre/modules/FileUtils.jsm", this);
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const DIR_UPDATES = "updates";
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const FILE_UPDATE_STATUS = "update.status";
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const KEY_UPDROOT = "UpdRootD";
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/**
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* Gets the specified directory at the specified hierarchy under the update root
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* directory without creating it if it doesn't exist.
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* @param pathArray
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* An array of path components to locate beneath the directory
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* specified by |key|
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* @return nsIFile object for the location specified.
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*/
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function getUpdateDirNoCreate(pathArray) {
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return FileUtils.getDir(KEY_UPDROOT, pathArray, false);
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}
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function UpdateServiceStub() {
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let statusFile = getUpdateDirNoCreate([DIR_UPDATES, "0"]);
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statusFile.append(FILE_UPDATE_STATUS);
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// If the update.status file exists then initiate post update processing.
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if (statusFile.exists()) {
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let aus = Cc["@mozilla.org/updates/update-service;1"].
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getService(Ci.nsIApplicationUpdateService).
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QueryInterface(Ci.nsIObserver);
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aus.observe(null, "post-update-processing", "");
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}
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}
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UpdateServiceStub.prototype = {
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observe: function() {},
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classID: Components.ID("{e43b0010-04ba-4da6-b523-1f92580bc150}"),
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QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver])
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};
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this.NSGetFactory = XPCOMUtils.generateNSGetFactory([UpdateServiceStub]);
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