gecko/services/sync/Weave.js

/* 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/. */

const Cc = Components.classes;
const Ci = Components.interfaces;
const Cu = Components.utils;

Cu.import("resource://gre/modules/XPCOMUtils.jsm");
Cu.import("resource://gre/modules/Services.jsm");
Cu.import("resource://gre/modules/FileUtils.jsm");

function WeaveService() {
  this.wrappedJSObject = this;
}
WeaveService.prototype = {
  classID: Components.ID("{74b89fb0-f200-4ae8-a3ec-dd164117f6de}"),

  QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
                                         Ci.nsISupportsWeakReference]),

  observe: function BSS__observe(subject, topic, data) {
    switch (topic) {
    case "app-startup":
      let os = Cc["@mozilla.org/observer-service;1"].
               getService(Ci.nsIObserverService);
      os.addObserver(this, "final-ui-startup", true);
      break;

    case "final-ui-startup":
      // Force Weave service to load if it hasn't triggered from overlays
      this.timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
      this.timer.initWithCallback({
        notify: function() {
          Cu.import("resource://services-sync/main.js");
          if (Weave.Status.checkSetup() != Weave.CLIENT_NOT_CONFIGURED)
            Weave.Service;
        }
      }, 10000, Ci.nsITimer.TYPE_ONE_SHOT);
      break;
    }
  }
};

function AboutWeaveLog() {}
AboutWeaveLog.prototype = {
  classID: Components.ID("{d28f8a0b-95da-48f4-b712-caf37097be41}"),

  QueryInterface: XPCOMUtils.generateQI([Ci.nsIAboutModule,
                                         Ci.nsISupportsWeakReference]),

  getURIFlags: function(aURI) {
    return 0;
  },

  newChannel: function(aURI) {
    let dir = FileUtils.getDir("ProfD", ["weave", "logs"], true);
    let uri = Services.io.newFileURI(dir);
    let channel = Services.io.newChannelFromURI(uri);
    channel.originalURI = aURI;

    // Ensure that the about page has the same privileges as a regular directory
    // view. That way links to files can be opened.
    let ssm = Cc["@mozilla.org/scriptsecuritymanager;1"]
                .getService(Ci.nsIScriptSecurityManager);
    let principal = ssm.getSimpleCodebasePrincipal(uri);
    channel.owner = principal;
    return channel;
  }
};

const components = [WeaveService, AboutWeaveLog];
this.NSGetFactory = XPCOMUtils.generateNSGetFactory(components);