private void createNextDownload()
{
QueueElement elt = getFirstNotCompletedElement();
if (string.IsNullOrEmpty(elt.Url))
{
return;
}
downloader = new HttpDownloader(elt.Url, elt.Destination);
downloader.DownloadCompleted += downloader_DownloadCompleted;
downloader.DownloadProgressChanged += downloader_DownloadProgressChanged;
downloader.StartAsync();
currentElement = elt;
queuePaused = false;
startEventRaised = false;
}
/// <summary>
/// Deletes the queue element at the given index
/// </summary>
/// <param name="index">The index of the element that will be deleted</param>
public void Delete(int index)
{
if (elements[index].Equals(currentElement) && downloader != null)
{
downloader.Cancel();
currentElement = new QueueElement()
{
Url = ""
};
}
elements.RemoveAt(index);
if (!queuePaused)
{
createNextDownload();
}
}
private void downloader_DownloadCompleted(object sender, EventArgs e)
{
if (QueueElementCompleted != null)
{
QueueElementCompleted(this, new QueueElementCompletedEventArgs(this.CurrentIndex, currentElement));
}
for (int i = 0; i < elements.Count; i++)
{
if (elements[i].Equals(currentElement))
{
elements[i] = new QueueElement()
{
Id = elements[i].Id,
Url = elements[i].Url,
Destination = elements[i].Destination,
Completed = true
};
break;
}
}
createNextDownload();
}