public void AddNewDownloadTask(DownloadTaskInfo downloadTaskInfo)
{
Guid newTaskGuid = m_DownloadHelper.AddNewDownloadTask(downloadTaskInfo);
ListViewItem item = new ListViewItem();
DownloadTaskStatistics downloadTaskStatistics = m_DownloadHelper.GetDownloadTaskStatistics(newTaskGuid);
string fileName = downloadTaskInfo.DownloadFileInfo.FileName;
string fileExtension = Path.GetExtension(fileName);
item.ImageIndex = FileTypeImageList.GetImageIndexByExtention(fileExtension);
item.Text = Path.GetFileName(fileName);
item.SubItems.Add(ByteFormatter.ToString(downloadTaskStatistics.FileSize));
item.SubItems.Add(ByteFormatter.ToString(downloadTaskStatistics.TransferedDownload));
item.SubItems.Add(GetDownloadProgressText(downloadTaskStatistics));
item.SubItems.Add(TimeSpanFormatter.ToString(downloadTaskStatistics.RemainingTime));
item.SubItems.Add("0");
item.SubItems.Add("0");
item.SubItems.Add(string.Format(CultureInfo.CurrentCulture, "{0} {1}", downloadTaskStatistics.CreatedDate.ToShortDateString(), downloadTaskStatistics.CreatedDate.ToShortTimeString()));
item.SubItems.Add(downloadTaskStatistics.DownloadTaskState.ToString());
item.SubItems.Add(GetResumeText(downloadTaskStatistics));
item.SubItems.Add(downloadTaskStatistics.FileUri.OriginalString);
m_DownloadTaskItemMap[item] = newTaskGuid;
lvwDownloadTasks.Items.Add(item);
}
public void UpdateList()
{
ListView.ListViewItemCollection listViewItemCollection = lvwDownloadTasks.Items;
for (int i = 0; i < listViewItemCollection.Count; i++)
{
ListViewItem item = listViewItemCollection[i];
if (item == null)
{
return;
}
Guid guid = m_DownloadTaskItemMap[item];
DownloadTaskStatistics downloadTaskStatistics = m_DownloadHelper.GetDownloadTaskStatistics(guid);
if (downloadTaskStatistics == null)
{
return;
}
DownloadTaskState state;
if (item.Tag == null)
{
state = DownloadTaskState.Working;
}
else
{
state = (DownloadTaskState)item.Tag;
}
if (state != downloadTaskStatistics.DownloadTaskState ||
state == DownloadTaskState.Working ||
state == DownloadTaskState.WaitingForReconnect)
{
item.SubItems[1].Text = ByteFormatter.ToString(downloadTaskStatistics.FileSize);
item.SubItems[2].Text = ByteFormatter.ToString(downloadTaskStatistics.TransferedDownload);
item.SubItems[3].Text = GetDownloadProgressText(downloadTaskStatistics);
item.SubItems[4].Text = TimeSpanFormatter.ToString(downloadTaskStatistics.RemainingTime);
item.SubItems[5].Text = GetDownloadRateText(downloadTaskStatistics);
item.SubItems[6].Text = GetAverageDownloadRateText(downloadTaskStatistics);
if (!string.IsNullOrWhiteSpace(downloadTaskStatistics.LastError))
{
item.SubItems[8].Text = string.Format(CultureInfo.CurrentCulture, "{0}, {1}", downloadTaskStatistics.DownloadTaskState, downloadTaskStatistics.LastError);
}
else
{
item.SubItems[8].Text = string.IsNullOrEmpty(downloadTaskStatistics.StatusMessage) ? downloadTaskStatistics.DownloadTaskState.ToString() : string.Format(CultureInfo.CurrentCulture, "{0}, {1}", downloadTaskStatistics.DownloadTaskState, downloadTaskStatistics.StatusMessage);
}
item.SubItems[9].Text = GetResumeText(downloadTaskStatistics);
item.SubItems[10].Text = downloadTaskStatistics.FileUri.OriginalString;
item.Tag = downloadTaskStatistics.DownloadTaskState;
}
}
UpdateSegments();
}
private void UpdateSegments()
{
try
{
lvwDownloadTaskSegments.BeginUpdate();
if (lvwDownloadTasks.SelectedItems.Count == 1)
{
ListViewItem newDownloadTaskSelection = lvwDownloadTasks.SelectedItems[0];
Guid guid = m_DownloadTaskItemMap[newDownloadTaskSelection];
DownloadTaskStatistics downloadTaskStatistics = m_DownloadHelper.GetDownloadTaskStatistics(guid);
if (m_LastDownloadTaskSelection == newDownloadTaskSelection)
{
if (downloadTaskStatistics.Segments.Count == lvwDownloadTaskSegments.Items.Count)
{
UpdateSegmentsWithoutInsert(downloadTaskStatistics.Segments);
}
else
{
UpdateSegmentsInserting(newDownloadTaskSelection, downloadTaskStatistics.Segments);
}
}
else
{
UpdateSegmentsInserting(newDownloadTaskSelection, downloadTaskStatistics.Segments);
}
}
else
{
m_LastDownloadTaskSelection = null;
lvwDownloadTaskSegments.Items.Clear();
}
}
finally
{
lvwDownloadTaskSegments.EndUpdate();
}
}
private static string GetDownloadProgressText(DownloadTaskStatistics downloadTaskStatistics)
{
return(string.Format(CultureInfo.CurrentCulture, "{0:0.##}%", downloadTaskStatistics.DownloadProgress));
}
private static string GetResumeText(DownloadTaskStatistics downloadTaskStatistics)
{
return(downloadTaskStatistics.IsDownloadResumable ? "Yes" : "No");
}
private static string GetAverageDownloadRateText(DownloadTaskStatistics downloadTaskStatistics)
{
return(string.Format(CultureInfo.CurrentCulture, "{0:0.##}", downloadTaskStatistics.AverageDownloadRate / 1024.0));
}
private static string GetDownloadProgressText(DownloadTaskStatistics downloadTaskStatistics)
{
return string.Format(CultureInfo.CurrentCulture, "{0:0.##}%", downloadTaskStatistics.DownloadProgress);
}
private static string GetResumeText(DownloadTaskStatistics downloadTaskStatistics)
{
return downloadTaskStatistics.IsDownloadResumable ? "Yes" : "No";
}
private static string GetAverageDownloadRateText(DownloadTaskStatistics downloadTaskStatistics)
{
return string.Format(CultureInfo.CurrentCulture, "{0:0.##}", downloadTaskStatistics.AverageDownloadRate / 1024.0);
}
