gecko-dev/extensions/irc/js/lib/chatzilla-service.js

380 lines
12 KiB
JavaScript

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1999 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
* Seth Spitzer <sspitzer@netscape.com>
* Robert Ginda <rginda@netscape.com>
*/
/*
* This file contains the following chatzilla related components:
* 1. Command line handler service, for responding to the -chat command line
* option. (CLineHandler)
* 2. Content handler for responding to content of type x-application-irc
* (IRCContentHandler)
* 3. Protocol handler for supplying a channel to the browser when an irc://
* link is clicked. (IRCProtocolHandler)
* 4. A (nearly empty) imeplementation of nsIChannel for telling the browser
* that irc:// links have the content type x-application-irc (BogusChannel)
*/
/* components defined in this file */
const CLINE_SERVICE_CONTRACTID =
"@mozilla.org/commandlinehandler/general-startup;1?type=chat";
const CLINE_SERVICE_CID =
Components.ID("{38a95514-1dd2-11b2-97e7-9da958640f2c}");
const IRCCNT_HANDLER_CONTRACTID =
"@mozilla.org/uriloader/content-handler;1?type=x-application-irc";
const IRCCNT_HANDLER_CID =
Components.ID("{98919a14-1dd1-11b2-be1a-b84344307f0a}");
const IRCPROT_HANDLER_CONTRACTID =
"@mozilla.org/network/protocol;1?name=irc";
const IRCPROT_HANDLER_CID =
Components.ID("{f21c35f4-1dd1-11b2-a503-9bf8a539ea39}");
/* components used in this file */
const MEDIATOR_CONTRACTID =
"@mozilla.org/appshell/window-mediator;1";
const STANDARDURL_CONTRACTID =
"@mozilla.org/network/standard-url;1";
const IOSERVICE_CONTRACTID =
"@mozilla.org/network/io-service;1";
const ASS_CONTRACTID =
"@mozilla.org/appshell/appShellService;1";
const RDFS_CONTRACTID =
"@mozilla.org/rdf/rdf-service;1";
/* interafces used in this file */
const nsIWindowMediator = Components.interfaces.nsIWindowMediator;
const nsICmdLineHandler = Components.interfaces.nsICmdLineHandler;
const nsICategoryManager = Components.interfaces.nsICategoryManager;
const nsIContentHandler = Components.interfaces.nsIContentHandler;
const nsIProtocolHandler = Components.interfaces.nsIProtocolHandler;
const nsIURI = Components.interfaces.nsIURI;
const nsIStandardURL = Components.interfaces.nsIStandardURL;
const nsIChannel = Components.interfaces.nsIChannel;
const nsIRequest = Components.interfaces.nsIRequest;
const nsIIOService = Components.interfaces.nsIIOService;
const nsIAppShellService = Components.interfaces.nsIAppShellService;
const nsISupports = Components.interfaces.nsISupports;
const nsIRDFService = Components.interfaces.nsIRDFService;
/* Command Line handler service */
function CLineService()
{}
CLineService.prototype.commandLineArgument = "-chat";
CLineService.prototype.prefNameForStartup = "general.startup.chat";
CLineService.prototype.chromeUrlForTask = "chrome://chatzilla/content";
CLineService.prototype.helpText = "Start with an IRC chat client";
CLineService.prototype.handlesArgs = false;
CLineService.prototype.defaultArgs = "";
CLineService.prototype.openWindowWithArgs = false;
/* factory for command line handler service (CLineService) */
var CLineFactory = new Object();
CLineFactory.createInstance =
function (outer, iid)
{
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
if (!iid.equals(nsICmdLineHandler) && !iid.equals(nsISupports))
throw Components.results.NS_ERROR_INVALID_ARG;
return new CLineService();
}
/* x-application-irc content handler */
function IRCContentHandler ()
{}
IRCContentHandler.prototype.QueryInterface =
function (iid)
{
if (!iid.equals(nsIContentHandler))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
IRCContentHandler.prototype.handleContent =
function (contentType, command, windowTarget, request)
{
var e;
var channel = request.QueryInterface(nsIChannel);
var windowManager =
Components.classes[MEDIATOR_CONTRACTID].getService(nsIWindowMediator);
var w = windowManager.getMostRecentWindow("irc:chatzilla");
if (w)
{
w.focus();
w.gotoIRCURL(channel.URI.spec);
}
else
{
var ass =
Components.classes[ASS_CONTRACTID].getService(nsIAppShellService);
w = ass.hiddenDOMWindow;
var args = new Object ();
args.url = channel.URI.spec;
w.openDialog("chrome://chatzilla/content/chatzilla.xul", "_blank",
"chrome,menubar,toolbar,status,resizable,dialog=no",
args);
}
}
/* content handler factory object (IRCContentHandler) */
var IRCContentHandlerFactory = new Object();
IRCContentHandlerFactory.createInstance =
function (outer, iid)
{
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
if (!iid.equals(nsIContentHandler) && !iid.equals(nsISupports))
throw Components.results.NS_ERROR_INVALID_ARG;
return new IRCContentHandler();
}
/* irc protocol handler component */
function IRCProtocolHandler()
{
}
IRCProtocolHandler.prototype.scheme = "irc";
IRCProtocolHandler.prototype.defaultPort = 6667;
IRCProtocolHandler.prototype.protocolFlags =
nsIProtocolHandler.URI_NORELATIVE |
nsIProtocolHandler.ALLOWS_PROXY;
IRCProtocolHandler.prototype.allowPort =
function (port, scheme)
{
return false;
}
IRCProtocolHandler.prototype.newURI =
function (spec, charset, baseURI)
{
var cls = Components.classes[STANDARDURL_CONTRACTID];
var url = cls.createInstance(nsIStandardURL);
url.init(nsIStandardURL.URLTYPE_STANDARD, 6667, spec, charset, baseURI);
return url.QueryInterface(nsIURI);
}
IRCProtocolHandler.prototype.newChannel =
function (URI)
{
ios = Components.classes[IOSERVICE_CONTRACTID].getService(nsIIOService);
if (!ios.allowPort(URI.port, URI.scheme))
throw Components.results.NS_ERROR_FAILURE;
return new BogusChannel (URI);
}
/* protocol handler factory object (IRCProtocolHandler) */
var IRCProtocolHandlerFactory = new Object();
IRCProtocolHandlerFactory.createInstance =
function (outer, iid)
{
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
if (!iid.equals(nsIProtocolHandler) && !iid.equals(nsISupports))
throw Components.results.NS_ERROR_INVALID_ARG;
return new IRCProtocolHandler();
}
/* bogus IRC channel used by the IRCProtocolHandler */
function BogusChannel (URI)
{
this.URI = URI;
this.originalURI = URI;
}
BogusChannel.prototype.QueryInterface =
function (iid)
{
if (!iid.equals(nsIChannel) && !iid.equals(nsIRequest) &&
!iid.equals(nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
/* nsIChannel */
BogusChannel.prototype.loadAttributes = null;
BogusChannel.prototype.contentType = "x-application-irc";
BogusChannel.prototype.contentLength = 0;
BogusChannel.prototype.owner = null;
BogusChannel.prototype.loadGroup = null;
BogusChannel.prototype.notificationCallbacks = null;
BogusChannel.prototype.securityInfo = null;
BogusChannel.prototype.open =
BogusChannel.prototype.asyncOpen =
function ()
{
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
}
BogusChannel.prototype.asyncOpen =
function (observer, ctxt)
{
observer.onStartRequest (this, ctxt);
}
BogusChannel.prototype.asyncRead =
function (listener, ctxt)
{
return listener.onStartRequest (this, ctxt);
}
/* nsIRequest */
BogusChannel.prototype.isPending =
function ()
{
return true;
}
BogusChannel.prototype.status = Components.results.NS_OK;
BogusChannel.prototype.cancel =
function (status)
{
this.status = status;
}
BogusChannel.prototype.suspend =
BogusChannel.prototype.resume =
function ()
{
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
}
var ChatzillaModule = new Object();
ChatzillaModule.registerSelf =
function (compMgr, fileSpec, location, type)
{
debug("*** Registering -chat handler.\n");
compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
compMgr.registerFactoryLocation(CLINE_SERVICE_CID,
"Chatzilla CommandLine Service",
CLINE_SERVICE_CONTRACTID,
fileSpec,
location,
type);
catman = Components.classes["@mozilla.org/categorymanager;1"]
.getService(nsICategoryManager);
catman.addCategoryEntry("command-line-argument-handlers",
"chatzilla command line handler",
CLINE_SERVICE_CONTRACTID, true, true);
debug("*** Registering x-application-irc handler.\n");
compMgr.registerFactoryLocation(IRCCNT_HANDLER_CID,
"IRC Content Handler",
IRCCNT_HANDLER_CONTRACTID,
fileSpec,
location,
type);
debug("*** Registering irc protocol handler.\n");
compMgr.registerFactoryLocation(IRCPROT_HANDLER_CID,
"IRC protocol handler",
IRCPROT_HANDLER_CONTRACTID,
fileSpec,
location,
type);
}
ChatzillaModule.unregisterSelf =
function(compMgr, fileSpec, location)
{
compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
compMgr.unregisterFactoryLocation(CLINE_SERVICE_CID,
fileSpec);
catman = Components.classes["@mozilla.org/categorymanager;1"]
.getService(nsICategoryManager);
catman.deleteCategoryEntry("command-line-argument-handlers",
CLINE_SERVICE_CONTRACTID, true);
}
ChatzillaModule.getClassObject =
function (compMgr, cid, iid)
{
// Checking if we're disabled in the Chrome Registry.
var rv;
try {
var rdfSvc = Components.classes[RDFS_CONTRACTID].getService(nsIRDFService);
var rdfDS = rdfSvc.GetDataSource("rdf:chrome");
var resSelf = rdfSvc.GetResource("urn:mozilla:package:chatzilla");
var resDisabled = rdfSvc.GetResource("http://www.mozilla.org/rdf/chrome#disabled");
rv = rdfDS.GetTarget(resSelf, resDisabled, true);
} catch (e) {
}
if (rv)
throw Components.results.NS_ERROR_NO_INTERFACE;
if (cid.equals(CLINE_SERVICE_CID))
return CLineFactory;
if (cid.equals(IRCCNT_HANDLER_CID))
return IRCContentHandlerFactory;
if (cid.equals(IRCPROT_HANDLER_CID))
return IRCProtocolHandlerFactory;
if (!iid.equals(Components.interfaces.nsIFactory))
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
throw Components.results.NS_ERROR_NO_INTERFACE;
}
ChatzillaModule.canUnload =
function(compMgr)
{
return true;
}
/* entrypoint */
function NSGetModule(compMgr, fileSpec)
{
return ChatzillaModule;
}