#region
/* -----------------------------------------------------------------------
 * <copyright file="MovedEventArgs.cs" company="GRNet">
 * 
 * Copyright 2011-2012 GRNET S.A. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
 * conditions are met:
 *
 *   1. Redistributions of source code must retain the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer.
 *
 *   2. 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.
 *
 *
 * THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``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 GRNET S.A OR
 * 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 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
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 * The views and conclusions contained in the software and
 * documentation are those of the authors and should not be
 * interpreted as representing official policies, either expressed
 * or implied, of GRNET S.A.
 * </copyright>
 * -----------------------------------------------------------------------
 */
#endregion
using System.Diagnostics.Contracts;
using System.IO;
using System.Security.Permissions;
using System;

namespace Pithos.Core.Agents
{
    

    public delegate void MovedEventHandler(object sender, MovedEventArgs e);

    public class MovedEventArgs : FileSystemEventArgs
    {
        private readonly string _oldName;
        private readonly string _oldFullPath;

        public string OldFullPath
        {
            get
            {
                new FileIOPermission(FileIOPermissionAccess.Read, Path.GetPathRoot(_oldFullPath)).Demand();
                return _oldFullPath;
            }
        }

        public string OldName
        {
            get { return _oldName; }
        }

        public MovedEventArgs(string newDirectory, string newName, string oldDirectory, string oldName)
            : base(WatcherChangeTypes.Renamed, newDirectory, newName)
        {
            if (String.IsNullOrWhiteSpace(oldDirectory))
                throw new ArgumentNullException("oldDirectory");
            if (String.IsNullOrWhiteSpace(oldName))
                throw new ArgumentNullException("oldName");
            Contract.EndContractBlock();

            _oldName = oldName;
            _oldFullPath = Path.Combine(oldDirectory, oldName);
        }
    }
}