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/* 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/. */

#include "nsISupports.idl"

interface nsIVariant;

/**
 * A callback function that webpages can implement to be notified when triggered
 * installs complete.
 */
[scriptable, function, uuid(bb22f5c0-3ca1-48f6-873c-54e87987700f)]
interface amIInstallCallback : nsISupports
{
  /**
   * Called when an install completes or fails.
   *
   * @param  aUrl
   *         The url of the add-on being installed
   * @param  aStatus
   *         0 if the install was successful or negative if not
   */
  void onInstallEnded(in AString aUrl, in int32_t aStatus);
};

/**
 * The interface for the InstallTrigger object available to all websites.
 */
[scriptable, uuid(14b4e84d-001c-4403-a608-52a67ffaab40)]
interface amIInstallTrigger : nsISupports
{
  /**
   * Retained for backwards compatibility.
   */
  const uint32_t SKIN    = 1;
  const uint32_t LOCALE  = 2;
  const uint32_t CONTENT = 4;
  const uint32_t PACKAGE = 7;

  /**
   * Tests if installation is enabled.
   *
   * @deprecated Use "enabled" in the future.
   */
  [deprecated] boolean updateEnabled();

  /**
   * Tests if installation is enabled.
   */
  boolean enabled();

  /**
   * Starts a new installation of a set of add-ons.
   *
   * @param  aArgs
   *         The add-ons to install. This should be a JS object, each property
   *         is the name of an add-on to be installed. The value of the
   *         property should either be a string URL, or an object with the
   *         following properties:
   *          * URL for the add-on's URL
   *          * IconURL for an icon for the add-on
   *          * Hash for a hash of the add-on
   * @param  aCallback
   *         A callback to call as each installation succeeds or fails
   * @return true if the installations were successfully started
   */
  boolean install(in nsIVariant aArgs, [optional] in amIInstallCallback aCallback);

  /**
   * Starts installing a new add-on. This method is deprecated, please use
   * "install" in the future.
   *
   * @param  aType
   *         Unused, retained for backwards compatibility
   * @param  aUrl
   *         The URL of the add-on
   * @param  aSkin
   *         Unused, retained for backwards compatibility
   * @return true if the installation was successfully started
   */
  boolean installChrome(in uint32_t aType, in AString aUrl, in AString aSkin);

  /**
   * Starts installing a new add-on.
   *
   * @deprecated use "install" in the future.
   *
   * @param  aUrl
   *         The URL of the add-on
   * @param  aFlags
   *         Unused, retained for backwards compatibility
   * @return true if the installation was successfully started
   */
  [deprecated] boolean startSoftwareUpdate(in AString aUrl, [optional] in int32_t aFlags);
};