gecko-dev/b2g/components/OMAContentHandler.js

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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
"use strict";
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
XPCOMUtils.defineLazyGetter(this, "cpmm", function() {
return Cc["@mozilla.org/childprocessmessagemanager;1"]
.getService(Ci.nsIMessageSender);
});
function debug(aMsg) {
//dump("--*-- OMAContentHandler: " + aMsg + "\n");
}
const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
function OMAContentHandler() {
}
OMAContentHandler.prototype = {
classID: Components.ID("{a6b2ab13-9037-423a-9897-dde1081be323}"),
_xpcom_factory: {
createInstance: function createInstance(outer, iid) {
if (outer != null) {
throw Cr.NS_ERROR_NO_AGGREGATION;
}
return new OMAContentHandler().QueryInterface(iid);
}
},
handleContent: function handleContent(aMimetype, aContext, aRequest) {
if (!(aRequest instanceof Ci.nsIChannel)) {
throw NS_ERROR_WONT_HANDLE_CONTENT;
}
let detail = {
"type": aMimetype,
"url": aRequest.URI.spec
};
cpmm.sendAsyncMessage("content-handler", detail);
aRequest.cancel(Cr.NS_BINDING_ABORTED);
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentHandler])
}
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([OMAContentHandler]);