/* ***** 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Shawn Wilsher <me@shawnwilsher.com>.
 * Portions created by the Initial Developer are Copyright (C) 2007
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * 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 ***** */

#include "nsISupports.idl"
interface nsIInterfaceRequestor;

[scriptable, uuid(ca7663d5-69e3-4c4a-b754-f462bd36b05f)]
interface nsIDownloadManagerUI : nsISupports {
  /**
   * The reason that should be passed when the user requests to show the
   * download manager's UI.
   */
  const short REASON_USER_INTERACTED = 0;

  /**
   * The reason that should be passed to the show method when we are displaying
   * the UI because a new download is being added to it.
   */
  const short REASON_NEW_DOWNLOAD = 1;

 /**
  * Shows the Download Manager's UI to the user.
  *
  * @param [optional] aWindowContext
  *        The parent window context to show the UI.
  * @param [optional] aID
  *        The id of the download to be preselected upon opening.
  * @param [optional] aReason
  *        The reason to show the download manager's UI.  This defaults to
  *        REASON_USER_INTERACTED, and should be one of the previously listed
  *        constants.
  */
  void show([optional] in nsIInterfaceRequestor aWindowContext,
            [optional] in unsigned long aID,
            [optional] in short aReason);

 /**
  * Indicates if the UI is visible or not.
  */
  readonly attribute boolean visible;

 /**
  * Brings attention to the UI if it is already visible
  *
  * @throws NS_ERROR_UNEXPECTED if the UI is not visible.
  */
  void getAttention();
};