/* ***** 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 the Extension Manager.
 *
 * The Initial Developer of the Original Code is
 * the Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Dave Townsend <dtownsend@oxymoronical.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 ***** */

#include "nsISupports.idl"

interface nsIDOMWindowInternal;
interface nsIURI;
interface nsIVariant;

/**
 * amIWebInstallInfo is used by the default implementation of
 * amIWebInstallListener to communicate with the running application and allow
 * it to warn the user about blocked installs and start the installs running.
 */
[scriptable, uuid(8710e692-3989-4dc7-b607-40d57610ae75)]
interface amIWebInstallInfo : nsISupports
{
  readonly attribute nsIDOMWindowInternal originatingWindow;
  readonly attribute nsIURI originatingURI;
  readonly attribute nsIVariant installs;

  /**
   * Starts all installs.
   */
  void install();
};

/**
 * The registered amIWebInstallListener is used to notify about new installs
 * triggered by websites. The default implementation displays a confirmation
 * dialog when add-ons are ready to install and uses the observer service to
 * notify when installations are blocked.
 */
[scriptable, uuid(ea806f3a-1b27-4d3d-9aee-88dec4c29fda)]
interface amIWebInstallListener : nsISupports
{
  /**
   * Called when the website is not allowed to directly prompt the user to
   * install add-ons.
   *
   * @param  aWindow
   *         The window that triggered the installs
   * @param  aUri
   *         The URI of the site that triggered the installs
   * @param  aInstalls
   *         The AddonInstalls that were blocked
   * @param  aCount
   *         The number of AddonInstalls
   * @return true if the caller should start the installs
   */
  boolean onWebInstallBlocked(in nsIDOMWindowInternal aWindow, in nsIURI aUri,
                              [array, size_is(aCount)] in nsIVariant aInstalls,
                              [optional] in PRUint32 aCount);

  /**
   * Called when a website wants to ask the user to install add-ons.
   *
   * @param  aWindow
   *         The window that triggered the installs
   * @param  aUri
   *         The URI of the site that triggered the installs
   * @param  aInstalls
   *         The AddonInstalls that were requested
   * @param  aCount
   *         The number of AddonInstalls
   * @return true if the caller should start the installs
   */
  boolean onWebInstallRequested(in nsIDOMWindowInternal aWindow, in nsIURI aUri,
                                [array, size_is(aCount)] in nsIVariant aInstalls,
                                [optional] in PRUint32 aCount);
};

/**
 * amIWebInstallPrompt is used, if available, by the default implementation of 
 * amIWebInstallInfo to display a confirmation UI to the user before running
 * installs.
 */
[scriptable, uuid(c5529918-4291-4b56-bd46-e9268900f2a3)]
interface amIWebInstallPrompt : nsISupports
{
  /**
   * Get a confirmation that the user wants to start the installs.
   *
   * @param  aWindow
   *         The window that triggered the installs
   * @param  aUri
   *         The URI of the site that triggered the installs
   * @param  aInstalls
   *         The AddonInstalls that were requested
   * @param  aCount
   *         The number of AddonInstalls
   */
  void confirm(in nsIDOMWindowInternal aWindow, in nsIURI aUri,
               [array, size_is(aCount)] in nsIVariant aInstalls,
               [optional] in PRUint32 aCount);
};