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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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 mozilla.org code.
 *
 * The Initial Developer of the Original Code is
 * Sun Microsystems, Inc.
 * Portions created by the Initial Developer are Copyright (C) 2001
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Created by: Paul Sandoz   <paul.sandoz@sun.com>
 *   Dan Mosedale <dan.mosedale@oracle.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either of 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 nsIAbDirSearchListener;
interface nsIAbCard;
interface nsIAbDirectory;

/**
 * The arguments for a query.
 *
 * Contains an expression for perform matches
 * and an array of properties which should be
 * returned if a match is found from the expression
 *
 */
[scriptable, uuid(d6fcbedd-d574-4357-abf4-81565d867749)]
interface nsIAbDirectoryQueryArguments : nsISupports
{
    /**
     * Defines the boolean expression for
     * the matching of cards
     *
     */
    attribute nsISupports expression;

    /**
     * Defines if sub directories should be
     * queried 
     *
     */
    attribute boolean querySubDirectories;

    /** 
     * A parameter which can be used to pass in data specific to a particular
     * type of addressbook.  
     */
    attribute nsISupports typeSpecificArg;
};


[scriptable, uuid(3A6E0C0C-1DD2-11B2-B23D-EA3A8CCB333C)]
interface nsIAbDirectoryQueryPropertyValue : nsISupports
{
    /**
     * The property which should be matched
     *
     * For example 'primaryEmail' or 'homePhone'
     * for card properties.
     *
     * Two further properties are defined that 
     * do not exist as properties on a card.
     *
     * 'card:nsIAbCard' which represents the interface
     * of a card component
     *
     */
    readonly attribute string name;

    /**
     * The value of the property
     *
     */
    readonly attribute wstring value;
    
    /**
     * The value of the property
     * as an interface
     *
     * Only valid if the corresponding
     * property name is related to an
     * interface instead of a wstring
     *
     */
    readonly attribute nsISupports valueISupports;
};

[scriptable, uuid(516e7ffa-69bc-41db-a493-dfb4895832f3)]
interface nsIAbDirectoryQueryResultListener : nsISupports
{
    /**
     * Called when a match is found. May be called from a different thread to
     * the one that initiates the query.
     *
     * @param aCard An individual result associated returned from a query
     */
    void onQueryFoundCard(in nsIAbCard aCard);

    /**
     * List of defined query results
     *
     */
    const long queryResultMatch    = 0;
    const long queryResultComplete = 1;
    const long queryResultStopped  = 2;
    const long queryResultError    = 3;

    /**
     * Called when a query has finished. May be called from a different thread
     * to the one that initiates the query.
     *
     * @param aResult    A result code from the list above.
     *
     * @param aErrorCode An error code specific to the type of query.
     */
    void onQueryResult(in long aResult, in long aErrorCode);
};

[scriptable, uuid(60b5961c-ce61-47b3-aa99-6d865f734dee)]
interface nsIAbDirectoryQuery : nsISupports
{
    /**
     * Initiates a query on a directory and sub-directories for properties
     * on cards
     *
     * @param aDirectory   A directory that the query may get extra details
     *                     from.
     *
     * @param aArguments   The properties and values to match value could of
     *                     type nsIAbDirectoryQueryMatchItem for matches other
     *                     than ?contains?
     *
     * @param aListener    The listener which will obtain individual query
     *                     results.
     *
     * @param aResultLimit Limits the number of results returned to a maximum
     *                     value.
     *
     * @param aTimeOut     The maximum length of time for the query
     *
     * @return             A context id for the query
     */
    long doQuery(in nsIAbDirectory aDirectory,
                 in nsIAbDirectoryQueryArguments aArguments,
                 in nsIAbDirSearchListener aListener,
                 in long aResultLimit,
                 in long aTimeOut);

    /**
     * Stops an existing query operation if
     * query operation is asynchronous
     *
     * The nsIAbDirectoryQueryResultListener will
     * be notified when query has stopped
     *
     * It is implementation specific if notification
     * synchronous or asynchronous
     *
     * @param contextID
     *        The unique number returned from
     *        the doQuery methods
     *
     */
    void stopQuery (in long contextID);
};