зеркало из https://github.com/mozilla/pjs.git
185 строки
7.4 KiB
JavaScript
185 строки
7.4 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 Mozilla Set Default Mail.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corp.
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* Portions created by the Initial Developer are Copyright (C) 2002
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Bill Law <law@netscape.com>
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* Sean Su <ssu@netscape.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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/* This file implements the nsICmdLineHandler interface. See nsICmdLineHandler.idl
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* at http://lxr.mozilla.org/seamonkey/source/xpfe/appshell/public/nsICmdLineHandler.idl.
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*
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* This component handles the startup command line argument of the form:
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* -setDefaultMail
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* by making the current executable the "default mail client."
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*
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* The module is registered under the contractid
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* "@mozilla.org/commandlinehandler/general-startup;1?type=setDefaultMail"
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*
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* The implementation consists of a JavaScript "class" named nsSetDefaultMail,
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* comprised of:
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* - a JS constructor function
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* - a prototype providing all the interface methods and implementation stuff
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*
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* In addition, this file implements an nsIModule object that registers the
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* nsSetDefaultMail component.
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*/
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/* ctor
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*/
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function nsSetDefaultMail() {
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}
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nsSetDefaultMail.prototype = {
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// nsICmdLineHandler interface
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get commandLineArgument() { throw Components.results.NS_ERROR_NOT_IMPLEMENTED; },
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get prefNameForStartup() { throw Components.results.NS_ERROR_NOT_IMPLEMENTED; },
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get chromeUrlForTask() {
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var mapiRegistry;
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try {
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var mapiRegistryProgID = "@mozilla.org/mapiregistry;1"
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// make sure mail is installed
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if (mapiRegistryProgID in Components.classes) {
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mapiRegistry = Components.classes[mapiRegistryProgID].getService(Components.interfaces.nsIMapiRegistry);
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}
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else {
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mapiRegistry = null;
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}
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}
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catch (ex) {
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mapiRegistry = null;
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}
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// Set mailnews as the default mail handler here
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if(mapiRegistry)
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mapiRegistry.isDefaultMailClient = true;
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// Now, get the cmd line service.
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var cmdLineService = Components.classes[ "@mozilla.org/app-startup/commandLineService;1" ]
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.getService( Components.interfaces.nsICmdLineService );
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// See if "-setDefaultMail" was specified. The value will be "1" if
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// -setDefaultMail is in the service's list of cmd line arguments, and
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// null otherwise. -setDefaultMail will only be in the service's
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// arg list if the application was not already running. That's because
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// if it was already running, then the service reflects the arguments
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// that were specified when *that* process was started, *not* the ones
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// passed via IPC from the second instance.
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var option = cmdLineService.getCmdLineValue( "-setDefaultMail" );
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if (!option) {
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// Already running, so we don't have to worry about opening
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// another window, etc.
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throw Components.results.NS_ERROR_NOT_AVAILABLE;
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}
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// Return URL for dummy window that will auto-close. We do this rather
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// than throw NS_ERROR_NOT_AVAILABLE, which *should* work, because it
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// seems that if we don't open a window, we get a crash when trying to
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// release this (or some other) JS component during XPCOM shutdown.
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return "chrome://global/content/dummyWindow.xul";
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},
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get helpText() { throw Components.results.NS_ERROR_NOT_IMPLEMENTED; },
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get handlesArgs() { return false; },
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get defaultArgs() { throw Components.results.NS_ERROR_NOT_IMPLEMENTED; },
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get openWindowWithArgs() { throw Components.results.NS_ERROR_NOT_IMPLEMENTED; },
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// nsISupports interface
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// This "class" supports nsICmdLineHandler and nsISupports.
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QueryInterface: function (iid) {
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if (iid.equals(Components.interfaces.nsICmdLineHandler) ||
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iid.equals(Components.interfaces.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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// This Component's module implementation. All the code below is used to get this
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// component registered and accessible via XPCOM.
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module: {
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// registerSelf: Register this component.
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registerSelf: function (compMgr, fileSpec, location, type) {
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var compReg = compMgr.QueryInterface( Components.interfaces.nsIComponentRegistrar );
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compReg.registerFactoryLocation( this.cid,
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"Set Mailnews as Default mail handler",
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this.contractId,
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fileSpec,
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location,
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type );
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},
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// getClassObject: Return this component's factory object.
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getClassObject: function (compMgr, cid, iid) {
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if (!cid.equals(this.cid))
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throw Components.results.NS_ERROR_NO_INTERFACE;
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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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return this.factory;
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},
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/* CID for this class */
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cid: Components.ID("{8b26281d-c3b2-4b57-9653-419fc705a02d}"),
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/* Contract ID for this class */
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contractId: "@mozilla.org/commandlinehandler/general-startup;1?type=setDefaultMail",
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/* factory object */
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factory: {
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// createInstance: Return a new nsSetDefaultMail object.
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createInstance: 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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return (new nsSetDefaultMail()).QueryInterface(iid);
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}
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},
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// canUnload: n/a (returns true)
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canUnload: function(compMgr) {
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return true;
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}
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}
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}
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// NSGetModule: Return the nsIModule object.
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function NSGetModule(compMgr, fileSpec) {
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return nsSetDefaultMail.prototype.module;
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}
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