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277 lines
9.2 KiB
JavaScript
277 lines
9.2 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Firefox Browser Glue Service.
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*
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* The Initial Developer of the Original Code is
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* Giorgio Maone
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* Portions created by the Initial Developer are Copyright (C) 2005
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Giorgio Maone <g.maone@informaction.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// Constructor
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function BrowserGlue() {
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this._init();
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}
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BrowserGlue.prototype = {
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QueryInterface: function(iid)
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{
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xpcomCheckInterfaces(iid, kServiceIIds, Components.results.NS_ERROR_NO_INTERFACE);
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return this;
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}
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,
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// nsIObserver implementation
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observe: function(subject, topic, data)
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{
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switch(topic) {
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case "xpcom-shutdown":
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this._dispose();
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break;
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case "profile-change-teardown":
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this._onProfileShutdown();
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break;
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case "final-ui-startup":
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this._onProfileStartup();
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break;
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case "browser:purge-session-history":
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// reset the console service's error buffer
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const cs = Components.classes["@mozilla.org/consoleservice;1"]
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.getService(Components.interfaces.nsIConsoleService);
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cs.logStringMessage(null); // clear the console (in case it's open)
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cs.reset();
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break;
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}
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}
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,
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// initialization (called on application startup)
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_init: function()
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{
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// observer registration
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const osvr = Components.classes['@mozilla.org/observer-service;1']
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.getService(Components.interfaces.nsIObserverService);
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osvr.addObserver(this, "profile-change-teardown", false);
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osvr.addObserver(this, "xpcom-shutdown", false);
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osvr.addObserver(this, "final-ui-startup", false);
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osvr.addObserver(this, "browser:purge-session-history", false);
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},
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// cleanup (called on application shutdown)
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_dispose: function()
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{
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// observer removal
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const osvr = Components.classes['@mozilla.org/observer-service;1']
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.getService(Components.interfaces.nsIObserverService);
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osvr.removeObserver(this, "profile-change-teardown");
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osvr.removeObserver(this, "xpcom-shutdown");
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osvr.removeObserver(this, "final-ui-startup");
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osvr.removeObserver(this, "browser:purge-session-history");
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},
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// profile startup handler (contains profile initialization routines)
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_onProfileStartup: function()
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{
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// check to see if the EULA must be shown on startup
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try {
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var mustDisplayEULA = true;
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var prefService = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Components.interfaces.nsIPrefBranch);
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var EULAVersion = prefService.getIntPref("browser.EULA.version");
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mustDisplayEULA = !prefService.getBoolPref("browser.EULA." + EULAVersion + ".accepted");
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} catch(ex) {
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}
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if (mustDisplayEULA) {
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var ww2 = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
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.getService(Components.interfaces.nsIWindowWatcher);
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ww2.openWindow(null, "chrome://browser/content/EULA.xul",
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"_blank", "chrome,centerscreen,modal,resizable=yes", null);
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}
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this.Sanitizer.onStartup();
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// check if we're in safe mode
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var app = Components.classes["@mozilla.org/xre/app-info;1"].getService(Components.interfaces.nsIXULAppInfo)
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.QueryInterface(Components.interfaces.nsIXULRuntime);
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if (app.inSafeMode) {
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var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
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.getService(Components.interfaces.nsIWindowWatcher);
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ww.openWindow(null, "chrome://browser/content/safeMode.xul",
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"_blank", "chrome,centerscreen,modal,resizable=no", null);
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}
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},
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// profile shutdown handler (contains profile cleanup routines)
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_onProfileShutdown: function()
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{
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// here we enter last survival area, in order to avoid multiple
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// "quit-application" notifications caused by late window closings
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const appStartup = Components.classes['@mozilla.org/toolkit/app-startup;1']
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.getService(Components.interfaces.nsIAppStartup);
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try {
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appStartup.enterLastWindowClosingSurvivalArea();
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this.Sanitizer.onShutdown();
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} catch(ex) {
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} finally {
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appStartup.exitLastWindowClosingSurvivalArea();
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}
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},
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// returns the (cached) Sanitizer constructor
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get Sanitizer()
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{
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if(typeof(Sanitizer) != "function") { // we should dynamically load the script
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Components.classes["@mozilla.org/moz/jssubscript-loader;1"]
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.getService(Components.interfaces.mozIJSSubScriptLoader)
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.loadSubScript("chrome://browser/content/sanitize.js", null);
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}
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return Sanitizer;
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},
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// ------------------------------
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// public nsIBrowserGlue members
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// ------------------------------
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sanitize: function(aParentWindow)
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{
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this.Sanitizer.sanitize(aParentWindow);
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}
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}
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// XPCOM Scaffolding code
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// component defined in this file
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const kServiceName = "Firefox Browser Glue Service";
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const kServiceId = "{eab9012e-5f74-4cbc-b2b5-a590235513cc}";
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const kServiceCtrId = "@mozilla.org/browser/browserglue;1";
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const kServiceConstructor = BrowserGlue;
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const kServiceCId = Components.ID(kServiceId);
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// interfaces implemented by this component
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const kServiceIIds = [
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Components.interfaces.nsIObserver,
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Components.interfaces.nsISupports,
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Components.interfaces.nsISupportsWeakReference,
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Components.interfaces.nsIBrowserGlue
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];
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// categories which this component is registered in
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const kServiceCats = ["app-startup"];
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// Factory object
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const kServiceFactory = {
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_instance: null,
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createInstance: function (outer, iid)
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{
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if (outer != null) throw Components.results.NS_ERROR_NO_AGGREGATION;
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xpcomCheckInterfaces(iid, kServiceIIds,
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Components.results.NS_ERROR_INVALID_ARG);
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return this._instance == null ?
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this._instance = new kServiceConstructor() : this._instance;
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}
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};
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function xpcomCheckInterfaces(iid, iids, ex) {
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for (var j = iids.length; j-- >0;) {
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if (iid.equals(iids[j])) return true;
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}
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throw ex;
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}
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// Module
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var Module = {
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registered: false,
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registerSelf: function(compMgr, fileSpec, location, type)
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{
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if (!this.registered) {
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compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar)
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.registerFactoryLocation(kServiceCId,
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kServiceName,
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kServiceCtrId,
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fileSpec,
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location,
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type);
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const catman = Components.classes['@mozilla.org/categorymanager;1']
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.getService(Components.interfaces.nsICategoryManager);
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var len = kServiceCats.length;
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for (var j = 0; j < len; j++) {
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catman.addCategoryEntry(kServiceCats[j],
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kServiceCtrId, kServiceCtrId, true, true, null);
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}
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this.registered = true;
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}
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},
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unregisterSelf: function(compMgr, fileSpec, location)
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{
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compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar)
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.unregisterFactoryLocation(kServiceCId, fileSpec);
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const catman = Components.classes['@mozilla.org/categorymanager;1']
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.getService(Components.interfaces.nsICategoryManager);
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var len = kServiceCats.length;
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for (var j = 0; j < len; j++) {
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catman.deleteCategoryEntry(kServiceCats[j], kServiceCtrId, true);
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}
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},
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getClassObject: function(compMgr, cid, iid)
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{
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if(cid.equals(kServiceCId))
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return kServiceFactory;
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throw Components.results[
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iid.equals(Components.interfaces.nsIFactory)
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? "NS_ERROR_NO_INTERFACE"
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: "NS_ERROR_NOT_IMPLEMENTED"
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];
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},
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canUnload: function(compMgr)
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{
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return true;
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}
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};
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// entrypoint
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function NSGetModule(compMgr, fileSpec) {
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return Module;
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}
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