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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 nsIFile;

/**
 * Helper interface for nsIProfileMigrator.
 *
 * @provider Toolkit (Startup code)
 * @client   Application (Profile-migration code)
 * @obtainable nsIProfileMigrator.migrate
 */
[scriptable, uuid(048e5ca1-0eb7-4bb1-a9a2-a36f7d4e0e3c)]
interface nsIProfileStartup : nsISupports
{
  /**
   * The root directory of the semi-current profile, during profile migration.
   * After nsIProfileMigrator.migrate has returned, this object will not be
   * useful.
   */
  readonly attribute nsIFile directory;

  /**
   * Do profile-startup by setting NS_APP_USER_PROFILE_50_DIR in the directory
   * service and notifying the profile-startup observer topics.
   */
  void doStartup();
};

/**
 * Migrate application settings from an outside source.
 *
 * @provider Application (Profile-migration code)
 * @client   Toolkit (Startup code)
 * @obtainable service, contractid("@mozilla.org/toolkit/profile-migrator;1")
 */
[scriptable, uuid(3df284a5-2258-4d46-a664-761ecdc04c22)]
interface nsIProfileMigrator : nsISupports 
{
  /**
   * Migrate data from an outside source, if possible.  Does nothing
   * otherwise.
   *
   * When this method is called, a default profile has been created;
   * XPCOM has been initialized such that compreg.dat is in the
   * profile; the directory service does *not* return a key for
   * NS_APP_USER_PROFILE_50_DIR or any of the keys depending on an active
   * profile. To figure out the directory of the "current" profile, use
   * aStartup.directory.
   *
   * If your migrator needs to access services that use the profile (to
   * set profile prefs or bookmarks, for example), use aStartup.doStartup.
   *
   * @param  aStartup nsIProfileStartup object to use during migration.
   * @param  aKey     optional key of a migrator to use to skip source selection.
   *
   * @note The startup code ignores COM exceptions thrown from this method.
   */
  void migrate(in nsIProfileStartup aStartup, in ACString aKey);
};

%{C++
#define NS_PROFILEMIGRATOR_CONTRACTID "@mozilla.org/toolkit/profile-migrator;1"
%}