private void UpdateUI(object sender, EventArgs e)
{
try
{
lock (this)
{
this.DownloadList.ClearList();
TasklistItem listItem = null;
FileInfo info = null;
string dir = _channelManager.Channel.GetDirectory();
string file = null;
foreach (ChannelItem channelItem in _channelManager.Channel.Items)
{
// Channel items that do not have a title have been removed by the user.
if (channelItem.Title.Length > 0)
{
file = Path.Combine(dir, channelItem.Enclosure.GetFilename());
listItem = new TasklistItem(channelItem.Guid, channelItem.Description);
listItem.Total = channelItem.Enclosure.Length;
// Check if the user has already downloaded this file.
if (File.Exists(file))
{
info = new FileInfo(file);
listItem.Completed = info.Length;
//if (listItem.Total < listItem.Completed)
// listItem.Total = listItem.Completed;
}
listItem.Description = this.GetProgressDescription(listItem);
if (listItem.Completed == listItem.Total)
listItem.State = TasklistItem.ItemState.Complete;
else if (listItem.Completed > 0)
listItem.State = TasklistItem.ItemState.Incomplete;
this.DownloadList.AddItem(listItem);
}
}
this.DownloadList.SelectedItem = 0;
this.DownloadList.Invalidate();
}
}
catch (Exception ex)
{
OdeoApplication.TraceException("FrmChannel::UpdateUI", ex);
}
}
public void RemoveItem(TasklistItem item)
{
m_list.Remove(item);
m_scrollDirty = true;
}
private string GetProgressDescription(TasklistItem item)
{
string completed = ConvertFileSize(item.Completed);
string total = ConvertFileSize(item.Total);
return String.Format("{0} of {1}", completed, total);
}
//
// public methods
//
/// <summary>
/// Add task item to list.
/// </summary>
public void AddItem(TasklistItem item)
{
// add item to list and mark as dirty,
// will upate next time it needs to draw list
m_list.Add(item);
m_scrollDirty = true;
}