/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using OpenMetaverse;

namespace OpenSim.Region.Framework.Interfaces
{
    public struct PresenceInfo
    {
        public string UserID;
        public UUID RegionID;
        public UUID SessionID;

        public PresenceInfo(string userID, UUID regionID, UUID sessionID)
        {
            UserID = userID;
            RegionID = regionID;
            SessionID = sessionID;
        }
        public PresenceInfo(string userID, UUID regionID)
        {
            UserID = userID;
            RegionID = regionID;
            SessionID = UUID.Zero;
        }
    }

    public delegate void PresenceChange(PresenceInfo info);
    public delegate void BulkPresenceData(PresenceInfo[] info);

    public interface IPresenceModule
    {
        void RequestBulkPresenceData(UUID[] users);

        event PresenceChange OnPresenceChange;
        event BulkPresenceData OnBulkPresenceData;
    }
}