The Tor Browser: browser/components/downloads/src/DownloadsStartup.js@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* vim: set ts=2 et sw=2 tw=80 filetype=javascript: */

     3 /* This Source Code Form is subject to the terms of the Mozilla Public

     4  * License, v. 2.0. If a copy of the MPL was not distributed with this

     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     7 /**

     8  * This component enables the JavaScript API for downloads at startup.  This

     9  * will eventually be removed when nsIDownloadManager will not be available

    10  * anymore (bug 851471).

    11  */

    13 "use strict";

    15 ////////////////////////////////////////////////////////////////////////////////

    16 //// Globals

    18 const Cc = Components.classes;

    19 const Ci = Components.interfaces;

    20 const Cu = Components.utils;

    21 const Cr = Components.results;

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

    25 /**

    26  * CID and Contract ID of our implementation of nsIDownloadManagerUI.

    27  */

    28 const kDownloadsUICid = Components.ID("{4d99321e-d156-455b-81f7-e7aa2308134f}");

    29 const kDownloadsUIContractId = "@mozilla.org/download-manager-ui;1";

    31 /**

    32  * CID and Contract ID of the JavaScript implementation of nsITransfer.

    33  */

    34 const kTransferCid = Components.ID("{1b4c85df-cbdd-4bb6-b04e-613caece083c}");

    35 const kTransferContractId = "@mozilla.org/transfer;1";

    37 ////////////////////////////////////////////////////////////////////////////////

    38 //// DownloadsStartup

    40 function DownloadsStartup() { }

    42 DownloadsStartup.prototype = {

    43   classID: Components.ID("{49507fe5-2cee-4824-b6a3-e999150ce9b8}"),

    45   _xpcom_factory: XPCOMUtils.generateSingletonFactory(DownloadsStartup),

    47   //////////////////////////////////////////////////////////////////////////////

    48   //// nsISupports

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

    52   //////////////////////////////////////////////////////////////////////////////

    53   //// nsIObserver

    55   observe: function DS_observe(aSubject, aTopic, aData)

    56   {

    57     if (aTopic != "profile-after-change") {

    58       Cu.reportError("Unexpected observer notification.");

    59       return;

    60     }

    62     // Override Toolkit's nsIDownloadManagerUI implementation with our own.

    63     // This must be done at application startup and not in the manifest to

    64     // ensure that our implementation overrides the original one.

    65     Components.manager.QueryInterface(Ci.nsIComponentRegistrar)

    66                       .registerFactory(kDownloadsUICid, "",

    67                                        kDownloadsUIContractId, null);

    69     // Override Toolkit's nsITransfer implementation with the one from the

    70     // JavaScript API for downloads.

    71     Components.manager.QueryInterface(Ci.nsIComponentRegistrar)

    72                       .registerFactory(kTransferCid, "",

    73                                        kTransferContractId, null);

    74   },

    75 };

    77 ////////////////////////////////////////////////////////////////////////////////

    78 //// Module

    80 this.NSGetFactory = XPCOMUtils.generateNSGetFactory([DownloadsStartup]);

The Tor Browser / file revision