/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * vim: sw=2 ts=2 sts=2
 * ***** 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 Places code
 *
 * The Initial Developer of the Original Code is
 * Mozilla Corporation.
 * Portions created by the Initial Developer are Copyright (C) 2008
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Shawn Wilsher <me@shawnwilsher.com> (Original Author)
 *
 * 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 mozIStorageConnection;
interface nsINavHistoryQuery;
interface nsINavHistoryQueryOptions;
interface mozIStorageStatementCallback;
interface mozIStoragePendingStatement;

/**
 * This is a private interface used by Places components to get access to the
 * database.  If outside consumers wish to use this, they should only read from
 * the database so they do not break any internal invariants.
 */
[scriptable, uuid(6eb7ed3d-13ca-450b-b370-15c75e2f3dab)]
interface nsPIPlacesDatabase : nsISupports
{
  /**
   * The database connection used by Places.
   */
  readonly attribute mozIStorageConnection DBConnection;

  /**
   * Asynchronously executes the statement created from queries.
   *
   * @see nsINavHistoryService::executeQueries
   * @note THIS IS A TEMPORARY API.  Don't rely on it, since it will be replaced
   *       in future versions by a real async querying API.
   * @note Results obtained from this method differ from results obtained from
   *       executeQueries, because there is additional filtering and sorting
   *       done by the latter.  Thus you should use executeQueries, unless you
   *       are absolutely sure that the returned results are fine for
   *       your use-case.
   */
  mozIStoragePendingStatement asyncExecuteLegacyQueries(
    [array, size_is(aQueryCount)] in nsINavHistoryQuery aQueries,
    in unsigned long aQueryCount,
    in nsINavHistoryQueryOptions aOptions,
    in mozIStorageStatementCallback aCallback);
};