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/* ***** 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 Async History API.
 *
 * 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):
 *   Shawn Wilsher <me@shawnwilsher.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 nsIURI;
interface nsIVariant;

%{C++
#include "jsapi.h"
%}

/**
 * @status EXPERIMENTAL
 */
[scriptable, uuid(1a3b1260-4bdb-45d0-a306-dc377dd9baa4)]
interface mozIVisitInfo : nsISupports
{
  /**
   * The machine-local (internal) id of the visit.
   */
  readonly attribute long long visitId;

  /**
   * The time the visit occurred.
   */
  readonly attribute PRTime visitDate;

  /**
   * The transition type used to get to this visit.  One of the TRANSITION_TYPE
   * constants on nsINavHistory.
   *
   * @see nsINavHistory.idl
   */
  readonly attribute unsigned long transitionType;

  /**
   * The referring URI of this visit.  This may be null.
   */
  readonly attribute nsIURI referrerURI;

  /**
   * The sessionId of this visit.
   *
   * @see nsINavHistory.idl
   */
  readonly attribute long long sessionId;
};

/**
 * @status EXPERIMENTAL
 */
[scriptable, uuid(ad83e137-c92a-4b7b-b67e-0a318811f91e)]
interface mozIPlaceInfo : nsISupports
{
  /**
   * The machine-local (internal) id of the place.
   */
  readonly attribute long long placeId;

  /**
   * The globally unique id of the place.
   */
  readonly attribute ACString guid;

  /**
   * The URI of the place.
   */
  readonly attribute nsIURI uri;

  /**
   * The title associated with the place.
   */
  readonly attribute AString title;

  /**
   * The frecency of the place.
   */
  readonly attribute long long frecency;

  /**
   * An array of mozIVisitInfo objects for the place.
   */
  [implicit_jscontext]
  readonly attribute jsval visits;
};

/**
 * @status EXPERIMENTAL
 */
[scriptable, uuid(1f266877-2859-418b-a11b-ec3ae4f4f93d)]
interface mozIVisitInfoCallback : nsISupports
{
  /**
   * Called when the given mozIPlaceInfo object could not be processed.
   *
   * @param aResultCode
   *        nsresult indicating the failure reason.
   * @param aPlaceInfo
   *        The information that was being entered into the database.
   */
  void handleError(in nsresult aResultCode,
                   in mozIPlaceInfo aPlaceInfo);

  /**
   * Called for each visit added, title change, or guid change when passed to
   * mozIAsyncHistory::updatePlaces.  If more than one operation is done for 
   * a given visit, only one callback will be given (i.e. title change and 
   * add visit).
   *
   * @param aPlaceInfo
   *        The information that was being entered into the database.
   */
  void handleResult(in mozIPlaceInfo aPlaceInfo);

  /**
   * Called when the mozIAsyncHistory::updatePlaces has finished processing
   * all mozIPlaceInfo records.
   */
  void handleCompletion();

};

/**
 * @status EXPERIMENTAL
 */
[scriptable, uuid(f79ca67c-7e57-4511-a400-ea31001c762f)]
interface mozIAsyncHistory : nsISupports
{
  /**
   * Adds a set of visits for one or more mozIPlaceInfo objects, and updates
   * each mozIPlaceInfo's title or guid.
   *
   * @param aPlaceInfo
   *        The mozIPlaceInfo object[s] containing the information to store or
   *        update.  This can be a single object, or an array of objects.
   * @param [optional] aCallback
   *        A mozIVisitInfoCallback object which consists of callbacks to be 
   *        notified for successful and/or failed changes.
   *
   * @throws NS_ERROR_INVALID_ARG
   *         - Passing in NULL for aPlaceInfo.
   *         - Not providing at least one valid guid, or uri for all
   *           mozIPlaceInfo object[s].
   *         - Not providing an array or nothing for the visits property of
   *           mozIPlaceInfo.
   *         - Not providing a visitDate and transitionType for each
   *           mozIVisitInfo.
   *         - Providing an invalid transitionType for a mozIVisitInfo.
   */
  [implicit_jscontext]
  void updatePlaces(in jsval aPlaceInfo,
                    [optional] in mozIVisitInfoCallback aCallback);

};