/* 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 nsIDOMElement;
interface nsIVariant;
interface nsIURI;

/**
 * A callback function used to notify webpages when a requested install has
 * ended.
 *
 * NOTE: This is *not* the same as InstallListener.
 */
[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);
};


/**
 * This interface is used to allow webpages to start installing add-ons.
 */
[scriptable, uuid(658d6c09-15e0-4688-bee8-8551030472a9)]
interface amIWebInstaller : nsISupports
{
  /**
   * Checks if installation is enabled for a webpage.
   *
   * @param  aMimetype
   *         The mimetype for the add-on to be installed
   * @param  referer
   *         The URL of the webpage trying to install an add-on
   * @return true if installation is enabled
   */
  boolean isInstallEnabled(in AString aMimetype, in nsIURI aReferer);

  /**
   * Installs an array of add-ons at the request of a webpage
   *
   * @param  aMimetype
   *         The mimetype for the add-ons
   * @param  aBrowser
   *         The browser installing the add-ons.
   * @param  aReferer
   *         The URI for the webpage installing the add-ons
   * @param  aUris
   *         The URIs of add-ons to be installed
   * @param  aHashes
   *         The hashes for the add-ons to be installed
   * @param  aNames
   *         The names for the add-ons to be installed
   * @param  aIcons
   *         The icons for the add-ons to be installed
   * @param  aCallback
   *         An optional callback to notify about installation success and
   *         failure
   * @param  aInstallCount
   *         An optional argument including the number of add-ons to install
   * @return true if the installation was successfully started
   */
  boolean installAddonsFromWebpage(in AString aMimetype,
                                   in nsIDOMElement aBrowser,
                                   in nsIURI aReferer,
                                   [array, size_is(aInstallCount)] in wstring aUris,
                                   [array, size_is(aInstallCount)] in wstring aHashes,
                                   [array, size_is(aInstallCount)] in wstring aNames,
                                   [array, size_is(aInstallCount)] in wstring aIcons,
                                   [optional] in amIInstallCallback aCallback,
                                   [optional] in uint32_t aInstallCount);
};