gecko-dev/b2g/components/ActivityChannel.jsm

/* 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/. */

"use strict";

const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;

Cu.import('resource://gre/modules/XPCOMUtils.jsm');

XPCOMUtils.defineLazyServiceGetter(this, "cpmm",
                                   "@mozilla.org/childprocessmessagemanager;1",
                                   "nsIMessageSender");

XPCOMUtils.defineLazyServiceGetter(this, "contentSecManager",
                                   "@mozilla.org/contentsecuritymanager;1",
                                   "nsIContentSecurityManager");

this.EXPORTED_SYMBOLS = ["ActivityChannel"];

this.ActivityChannel = function(aURI, aLoadInfo, aName, aDetails) {
  this._activityName = aName;
  this._activityDetails = aDetails;
  this.originalURI = aURI;
  this.URI = aURI;
  this.loadInfo = aLoadInfo;
}

this.ActivityChannel.prototype = {
  originalURI: null,
  URI: null,
  owner: null,
  notificationCallbacks: null,
  securityInfo: null,
  contentType: null,
  contentCharset: null,
  contentLength: 0,
  contentDisposition: Ci.nsIChannel.DISPOSITION_INLINE,
  contentDispositionFilename: null,
  contentDispositionHeader: null,
  loadInfo: null,

  open: function() {
    throw Cr.NS_ERROR_NOT_IMPLEMENTED;
  },

  open2: function() {
    throw Cr.NS_ERROR_NOT_IMPLEMENTED;
  },

  asyncOpen: function(aListener, aContext) {
    cpmm.sendAsyncMessage(this._activityName, this._activityDetails);
    // Let the listener cleanup.
    aListener.onStopRequest(this, aContext, Cr.NS_OK);
  },

  asyncOpen2: function(aListener) {
    // throws an error if security checks fail
    var outListener = contentSecManager.performSecurityCheck(this, aListener);
    this.asyncOpen(outListener, null);
  },

  QueryInterface2: XPCOMUtils.generateQI([Ci.nsIChannel])
}