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64 lines
2.0 KiB
JavaScript
64 lines
2.0 KiB
JavaScript
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/*
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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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*/
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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Components.utils.import("resource://gre/modules/FileUtils.jsm");
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const Ci = Components.interfaces;
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const DIR_UPDATES = "updates";
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const FILE_UPDATE_STATUS = "update.status";
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const KEY_APPDIR = "XCurProcD";
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#ifdef XP_WIN
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#define USE_UPDROOT
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#elifdef ANDROID
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#define USE_UPDROOT
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#endif
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#ifdef USE_UPDROOT
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const KEY_UPDROOT = "UpdRootD";
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#endif
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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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#ifdef USE_UPDROOT
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try {
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let dir = FileUtils.getDir(KEY_UPDROOT, pathArray, false);
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return dir;
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} catch (e) {
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}
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#endif
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return FileUtils.getDir(KEY_APPDIR, 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 = Components.classes["@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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var NSGetFactory = XPCOMUtils.generateNSGetFactory([UpdateServiceStub]);
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