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358 lines
11 KiB
JavaScript
358 lines
11 KiB
JavaScript
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1999 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Seth Spitzer <sspitzer@netscape.com>
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* Robert Ginda <rginda@netscape.com>
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*/
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/*
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* This file contains the following chatzilla related components:
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* 1. Command line handler service, for responding to the -webcal command line
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* option. (CLineHandler)
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* 2. Content handler for responding to content of type text/calendar
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* (ICALContentHandler)
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* 3. Protocol handler for supplying a channel to the browser when an webcal://
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* link is clicked. (ICALProtocolHandler)
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* 4. A (nearly empty) imeplementation of nsIChannel for telling the browser
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* that webcal:// links have the content type text/calendar (BogusChannel)
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*/
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/* components defined in this file */
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const CLINE_SERVICE_CONTRACTID =
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"@mozilla.org/commandlinehandler/general-startup;1?type=webcal";
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const CLINE_SERVICE_CID =
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Components.ID("{65ef4b0b-d116-4b93-bf8a-84525992bf27}");
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const ICALCNT_HANDLER_CONTRACTID =
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"@mozilla.org/uriloader/content-handler;1?type=text/calendar";
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const ICALCNT_HANDLER_CID =
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Components.ID("{9ebf4c8a-7770-40a6-aeed-e1738129535a}");
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const ICALPROT_HANDLER_CONTRACTID =
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"@mozilla.org/network/protocol;1?name=webcal";
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const ICALPROT_HANDLER_CID =
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Components.ID("{d320ba05-88cf-44a6-b718-87a72ef05918}");
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/* components used in this file */
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const MEDIATOR_CONTRACTID =
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"@mozilla.org/appshell/window-mediator;1";
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const STANDARDURL_CONTRACTID =
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"@mozilla.org/network/standard-url;1";
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const ASS_CONTRACTID =
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"@mozilla.org/appshell/appShellService;1";
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/* interafces used in this file */
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const nsIWindowMediator = Components.interfaces.nsIWindowMediator;
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const nsICmdLineHandler = Components.interfaces.nsICmdLineHandler;
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const nsICategoryManager = Components.interfaces.nsICategoryManager;
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const nsIContentHandler = Components.interfaces.nsIContentHandler;
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const nsIProtocolHandler = Components.interfaces.nsIProtocolHandler;
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const nsIURI = Components.interfaces.nsIURI;
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const nsIStandardURL = Components.interfaces.nsIStandardURL;
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const nsIChannel = Components.interfaces.nsIChannel;
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const nsIRequest = Components.interfaces.nsIRequest;
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const nsIAppShellService = Components.interfaces.nsIAppShellService;
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const nsISupports = Components.interfaces.nsISupports;
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/* Command Line handler service */
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function CLineService()
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{}
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CLineService.prototype.commandLineArgument = "-webcal";
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CLineService.prototype.prefNameForStartup = "general.startup.webal";
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CLineService.prototype.chromeUrlForTask="chrome://calendar/content";
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CLineService.prototype.helpText = "Start with a Calendar client";
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CLineService.prototype.handlesArgs=false;
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CLineService.prototype.defaultArgs ="";
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CLineService.prototype.openWindowWithArgs=false;
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/* factory for command line handler service (CLineService) */
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var CLineFactory = new Object();
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CLineFactory.createInstance =
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function (outer, iid) {
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if (outer != null)
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throw Components.results.NS_ERROR_NO_AGGREGATION;
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if (!iid.equals(nsICmdLineHandler) && !iid.equals(nsISupports))
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throw Components.results.NS_ERROR_INVALID_ARG;
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return new CLineService();
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}
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/* text/calendar content handler */
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function ICALContentHandler ()
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{}
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ICALContentHandler.prototype.QueryInterface =
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function (iid) {
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if (iid.equals(nsIContentHandler) ||
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iid.equals(nsISupports))
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return this;
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Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
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return null;
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}
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ICALContentHandler.prototype.handleContent =
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function (aContentType, aWindowTarget, aRequest)
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{
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var e;
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var channel = aRequest.QueryInterface(nsIChannel);
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/*
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dump ("ICALContentHandler.handleContent (" + aContentType + ", " +
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aWindowTarget + ", " + channel.URI.spec + ")\n");
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*/
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var windowManager =
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Components.classes[MEDIATOR_CONTRACTID].getService(nsIWindowMediator);
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var w = windowManager.getMostRecentWindow("calendarMainWindow");
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if (w)
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{
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w.focus();
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w.gCalendarWindow.calendarManager.checkCalendarURL( channel );
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}
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else
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{
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var ass =
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Components.classes[ASS_CONTRACTID].getService(nsIAppShellService);
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w = ass.hiddenDOMWindow;
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var args = new Object ();
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args.channel = channel;
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w.openDialog("chrome://calendar/content/calendar.xul", "calendar", "chrome,menubar,resizable,scrollbars,status,toolbar,dialog=no", args);
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}
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}
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/* content handler factory object (ICALContentHandler) */
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var ICALContentHandlerFactory = new Object();
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ICALContentHandlerFactory.createInstance =
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function (outer, iid) {
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if (outer != null)
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throw Components.results.NS_ERROR_NO_AGGREGATION;
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if (!iid.equals(nsIContentHandler) && !iid.equals(nsISupports))
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throw Components.results.NS_ERROR_INVALID_ARG;
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return new ICALContentHandler();
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}
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/* webcal protocol handler component */
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function ICALProtocolHandler()
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{
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}
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ICALProtocolHandler.prototype.scheme = "webcal";
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ICALProtocolHandler.prototype.defaultPort = 8080;
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ICALProtocolHandler.prototype.protocolFlags =
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nsIProtocolHandler.URI_NORELATIVE |
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nsIProtocolHandler.ALLOWS_PROXY;
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ICALProtocolHandler.prototype.allowPort =
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function (aPort, aScheme)
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{
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return false;
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}
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ICALProtocolHandler.prototype.newURI =
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function (aSpec, aCharset, aBaseURI)
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{
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var url = Components.classes[STANDARDURL_CONTRACTID].
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createInstance(nsIStandardURL);
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url.init(nsIStandardURL.URLTYPE_STANDARD, 8080, aSpec, aCharset, aBaseURI);
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return url.QueryInterface(nsIURI);
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}
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ICALProtocolHandler.prototype.newChannel =
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function (aURI)
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{
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return new BogusChannel (aURI);
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}
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/* protocol handler factory object (ICALProtocolHandler) */
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var ICALProtocolHandlerFactory = new Object();
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ICALProtocolHandlerFactory.createInstance =
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function (outer, iid) {
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if (outer != null)
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throw Components.results.NS_ERROR_NO_AGGREGATION;
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if (!iid.equals(nsIProtocolHandler) && !iid.equals(nsISupports))
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throw Components.results.NS_ERROR_INVALID_ARG;
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return new ICALProtocolHandler();
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}
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/* bogus webcal channel used by the ICALProtocolHandler */
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function BogusChannel (aURI)
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{
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this.URI = aURI;
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this.originalURI = aURI;
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}
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BogusChannel.prototype.QueryInterface =
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function (iid) {
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if (iid.equals(nsIChannel) ||
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iid.equals(nsIRequest) ||
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iid.equals(nsISupports))
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return this;
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Components.returnCode = Components.results.NS_ERROR_NO_INTERFACE;
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return null;
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}
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/* nsIChannel */
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BogusChannel.prototype.loadAttributes = null;
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BogusChannel.prototype.contentType = "text/calendar";
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BogusChannel.prototype.contentLength = 0;
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BogusChannel.prototype.owner = null;
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BogusChannel.prototype.loadGroup = null;
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BogusChannel.prototype.notificationCallbacks = null;
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BogusChannel.prototype.securityInfo = null;
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BogusChannel.prototype.open =
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BogusChannel.prototype.asyncOpen =
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function ()
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{
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throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
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}
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BogusChannel.prototype.asyncOpen =
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function (observer, ctxt)
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{
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observer.onStartRequest (this, ctxt);
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}
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BogusChannel.prototype.asyncRead =
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function (listener, ctxt)
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{
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return listener.onStartRequest (this, ctxt);
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}
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/* nsIRequest */
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BogusChannel.prototype.isPending =
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function ()
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{
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return true;
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}
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BogusChannel.prototype.status = Components.results.NS_OK;
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BogusChannel.prototype.cancel =
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function (aStatus)
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{
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this.status = aStatus;
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}
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BogusChannel.prototype.suspend =
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BogusChannel.prototype.resume =
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function ()
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{
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throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
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}
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var ChatzillaModule = new Object();
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ChatzillaModule.registerSelf =
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function (compMgr, fileSpec, location, type)
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{
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dump("*** Registering -webcal handler.\n");
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compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
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compMgr.registerFactoryLocation(CLINE_SERVICE_CID,
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"Calendar CommandLine Service",
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CLINE_SERVICE_CONTRACTID,
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fileSpec,
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location,
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type);
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catman = Components.classes["@mozilla.org/categorymanager;1"]
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.getService(nsICategoryManager);
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catman.addCategoryEntry("command-line-argument-handlers",
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"calendar command line handler",
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CLINE_SERVICE_CONTRACTID, true, true);
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dump("*** Registering text/calendar handler.\n");
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compMgr.registerFactoryLocation(ICALCNT_HANDLER_CID,
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"Webcal Content Handler",
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ICALCNT_HANDLER_CONTRACTID,
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fileSpec,
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location,
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type);
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dump("*** Registering webcal protocol handler.\n");
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compMgr.registerFactoryLocation(ICALPROT_HANDLER_CID,
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"Webcal protocol handler",
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ICALPROT_HANDLER_CONTRACTID,
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fileSpec,
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location,
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type);
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}
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ChatzillaModule.unregisterSelf =
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function(compMgr, fileSpec, location)
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{
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compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
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compMgr.unregisterFactoryLocation(CLINE_SERVICE_CID,
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fileSpec);
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catman = Components.classes["@mozilla.org/categorymanager;1"]
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.getService(nsICategoryManager);
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catman.deleteCategoryEntry("command-line-argument-handlers",
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CLINE_SERVICE_CONTRACTID, true);
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}
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ChatzillaModule.getClassObject =
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function (compMgr, cid, iid) {
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if (cid.equals(CLINE_SERVICE_CID))
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return CLineFactory;
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if (cid.equals(ICALCNT_HANDLER_CID))
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return ICALContentHandlerFactory;
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if (cid.equals(ICALPROT_HANDLER_CID))
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return ICALProtocolHandlerFactory;
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if (!iid.equals(Components.interfaces.nsIFactory))
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throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
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throw Components.results.NS_ERROR_NO_INTERFACE;
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}
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ChatzillaModule.canUnload =
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function(compMgr)
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{
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return true;
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}
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/* entrypoint */
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function NSGetModule(compMgr, fileSpec) {
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return ChatzillaModule;
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}
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