TransferFileInfo.cs :  » Business-Application » DC » DCSharp » Backend » Objects » C# / CSharp Open Source

/*
 * Copyright (C) 2006-2007 Eskil Bylund
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

using System;
using System.Xml.Serialization;

using DCSharp.Backend.Connections;

namespace DCSharp.Backend.Objects{
  public class TransferEventArgs : EventArgs
  {
    public TransferEventArgs(TransferFileInfo transfer)
    {
      this.transfer = transfer;
    }
    
    public TransferFileInfo Transfer
    {
      get { return transfer; }
    }
    private TransferFileInfo transfer;
  }
  
  public class TransferFileInfo
  {
    public event EventHandler ActiveChanged;
    
    #region Constructors
    
    public TransferFileInfo(string name, long size, string tth) : this()
    {
      this.name = name;
      this.size = size;
      this.tth = tth;
    }
    
    public TransferFileInfo()
    {
    }
    
    #endregion
    
    #region Properties
    
    [XmlAttribute]
    public string Name
    {
      get { return name; }
      set { name = value; }
    }
    private string name;
    
    [XmlAttribute]
    public long Size
    {
      get { return size; }
      set { size = value; }
    }
    private long size;
    
    [XmlAttribute]
    public long Position
    {
      get { return position; }
      set { position = value; }
    }
    private long position;
    
    [XmlAttribute]
    public string TTH
    {
      get { return tth; }
      set { tth = value; }
    }
    private string tth;
    
    [XmlIgnore()]
    public bool IsFileList
    {
      get { return isFileList; }
      set { isFileList = value; }
    }
    private bool isFileList;
    
    [XmlIgnore()]
    public bool Active
    {
      get { return userConnection != null; }
    }
    
    [XmlIgnore()]
    public double Bps
    {
      get { return userConnection != null ? userConnection.Bps : 0; }
    }
    
    private UserConnection userConnection;
    
    [XmlIgnore()]
    public UserConnection UserConnection
    {
      get { return userConnection; }
      internal set
      {
        userConnection = value;
        OnActiveChanged();
      }
    }
    
    #endregion
    
    #region Methods
    
    public TimeSpan GetRemainingTime()
    {
      long remainingBytes = size - position;
      int remainingSeconds = 0;
      
      double bps = Bps;
      if (bps > 0)
      {
        remainingSeconds = (int)(remainingBytes / bps);
      }
      return TimeSpan.FromSeconds(remainingSeconds);
    }
    
    protected virtual void OnActiveChanged()
    {
      if (ActiveChanged != null)
      {
        ActiveChanged(this, EventArgs.Empty);
      }
    }
    
    #endregion
  }
}