releases-comm-central/im/components/contentHandler.js

71 строка
2.1 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
var Ci = Components.interfaces;
var Cc = Components.classes;
var Cr = Components.results;
// defined in nsIContentHandler.idl.
var NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
function contentHandler() {
}
contentHandler.prototype = {
classID: Components.ID("{fda46332-1b03-4940-a30c-0997445d8e34}"),
_xpcom_factory: {
createInstance: function ch_factory_ci(outer, iid) {
if (outer)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return gContentHandler.QueryInterface(iid);
}
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentHandler]),
// nsIContentHandler
handleContent: function ch_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);
// Even though they are exposed (for OAuth dialogs), http and https
// requests should be redirected to the external browser.
if (!aRequest.URI.schemeIs("http") && !aRequest.URI.schemeIs("https"))
throw NS_ERROR_WONT_HANDLE_CONTENT;
Cc["@mozilla.org/uriloader/external-protocol-service;1"]
.getService(Ci.nsIExternalProtocolService)
.loadUrl(aRequest.URI);
aRequest.cancel(Cr.NS_BINDING_ABORTED);
},
// nsIFactory
createInstance: function ch_CI(outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return this.QueryInterface(iid);
},
lockFactory: function ch_lock(lock) {
// No-op.
}
};
var gContentHandler = new contentHandler();
var NSGetFactory = XPCOMUtils.generateNSGetFactory([contentHandler]);