gecko-dev/b2g/components/ContentHandler.js

54 строки
1.6 KiB
JavaScript

/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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;
const PDF_CONTENT_TYPE = "application/pdf";
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 log(aMsg) {
let msg = "ContentHandler.js: " + (aMsg.join ? aMsg.join("") : aMsg);
Cc["@mozilla.org/consoleservice;1"].getService(Ci.nsIConsoleService)
.logStringMessage(msg);
dump(msg + "\n");
}
const NS_ERROR_WONT_HANDLE_CONTENT = 0x805d0001;
function ContentHandler() {
}
ContentHandler.prototype = {
handleContent: function handleContent(aMimetype, aContext, aRequest) {
if (aMimetype != PDF_CONTENT_TYPE)
throw NS_ERROR_WONT_HANDLE_CONTENT;
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);
},
classID: Components.ID("{d18d0216-d50c-11e1-ba54-efb18d0ef0ac}"),
QueryInterface: XPCOMUtils.generateQI([Ci.nsIContentHandler])
};
this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ContentHandler]);