releases-comm-central/mail/components/mailContentHandler.js

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3.8 KiB
JavaScript

/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 Thunderbird.
*
* The Initial Developer of the Original Code is
* the Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Mark Banner <bugzilla@standard8.plus.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
const Ci = Components.interfaces;
const Cc = Components.classes;
const Cr = Components.results;
// defined in nsIContentHandler.idl.
const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
function mailContentHandler() {
}
mailContentHandler.prototype = {
classID: Components.ID("{1c73f03a-b817-4640-b984-18c3478a9ae3}"),
_xpcom_factory: {
createInstance: function mch_factory_ci(outer, iid) {
if (outer)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return gMailContentHandler.QueryInterface(iid);
}
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentHandler]),
openInExternal: function mch_OpenInExternal(uri) {
Cc["@mozilla.org/uriloader/external-protocol-service;1"]
.getService(Ci.nsIExternalProtocolService)
.loadUrl(uri);
},
// nsIContentHandler
handleContent: function mch_HandleContent(aContentType, aWindowContext,
aRequest) {
try {
if (!Cc["@mozilla.org/webnavigation-info;1"]
.getService(Ci.nsIWebNavigationInfo)
.isTypeSupported(aContentType, null))
throw NS_ERROR_WONT_HANDLE_CONTENT;
}
catch (e) {
throw NS_ERROR_WONT_HANDLE_CONTENT;
}
aRequest.QueryInterface(Ci.nsIChannel);
// For internal protocols (e.g. imap, mailbox, mailto), we want to handle
// them internally as we know what to do. For http and https we don't
// actually deal with external windows very well, so we redirect them to
// the external browser.
if (!aRequest.URI.schemeIs("http") && !aRequest.URI.schemeIs("https"))
throw NS_ERROR_WONT_HANDLE_CONTENT;
this.openInExternal(aRequest.URI);
aRequest.cancel(Cr.NS_BINDING_ABORTED);
},
// nsIFactory
createInstance: function mch_CI(outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return this.QueryInterface(iid);
},
lockFactory: function mch_lock(lock) {
// No-op.
}
};
var gMailContentHandler = new mailContentHandler();
const NSGetFactory = XPCOMUtils.generateNSGetFactory([mailContentHandler]);