protected virtual void OnEnding()
{
ScheduleState = DownloaderScheduleState.Ended;
if (Ending != null)
{
Ending(this, EventArgs.Empty);
}
}
private void SetState(DownloaderState value)
{
state = value;
if (state == DownloaderState.EndedWithError)
{
ScheduleState = DownloaderScheduleState.Error;
}
OnStateChanged();
}
public void Start()
{
ScheduleState = DownloaderScheduleState.Working;
if (state == DownloaderState.NeedToPrepare)
{
SetState(DownloaderState.Preparing);
StartToPrepare();
}
else if (
state != DownloaderState.Preparing &&
state != DownloaderState.Pausing &&
state != DownloaderState.Working &&
state != DownloaderState.WaitingForReconnect)
{
SetState(DownloaderState.Preparing);
StartPrepared();
}
}
public void Pause()
{
ScheduleState = DownloaderScheduleState.Paused;
if (state == DownloaderState.Preparing || state == DownloaderState.WaitingForReconnect)
{
Segments.Clear();
mainThread.Abort();
mainThread = null;
SetState(DownloaderState.NeedToPrepare);
return;
}
if (state == DownloaderState.Working)
{
SetState(DownloaderState.Pausing);
while (!AllWorkersStopped(5))
{
;
}
lock (threads)
{
threads.Clear();
}
mainThread.Abort();
mainThread = null;
if (RemoteFileInfo != null && !RemoteFileInfo.AcceptRanges)
{
// reset the segment
Segments[0].StartPosition = 0;
}
SetState(DownloaderState.Paused);
}
}