gecko-dev/mobile/components/DownloadManagerUI.js

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Download Manager UI.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Mark Finkle <mfinkle@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

const Ci = Components.interfaces;

Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
Components.utils.import("resource://gre/modules/Services.jsm");

// -----------------------------------------------------------------------
// Download Manager UI
// -----------------------------------------------------------------------

function DownloadManagerUI() { }

DownloadManagerUI.prototype = {
  classID: Components.ID("{93db15b1-b408-453e-9a2b-6619e168324a}"),

  show: function show(aWindowContext, aID, aReason) {
    if (!aReason)
      aReason = Ci.nsIDownloadManagerUI.REASON_USER_INTERACTED;

    let browser = Services.wm.getMostRecentWindow("navigator:browser");
    if (browser)
      browser.showDownloadManager(aWindowContext, aID, aReason);
  },

  get visible() {
    let browser = Services.wm.getMostRecentWindow("navigator:browser");
    if (browser) {
      return browser.DownloadsView.visible;
    }
    return false;
  },

  getAttention: function getAttention() {
    if (this.visible)
      this.show(null, null, null);
    else
      throw Cr.NS_ERROR_UNEXPECTED;
  },

  QueryInterface: XPCOMUtils.generateQI([Ci.nsIDownloadManagerUI])
};

const NSGetFactory = XPCOMUtils.generateNSGetFactory([DownloadManagerUI]);