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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 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(03af3018-2590-4f4c-a88c-1fff6595ef05)]
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;

    /**
     * A custom search filter which user wants to use in LDAP query.
     */
    attribute AUTF8String filter;
};


[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);
};