private void JobChangeHandler(IJobView jobView, JobChangeEvent changeEvent)
{
switch (changeEvent)
{
case JobChangeEvent.Enqueued:
pane.JobsQueued++;
entriesHolder.Add(new JobEntry(jobView, jobView.GetJobTypeDescription()));
break;
case JobChangeEvent.BeforeRun:
{
var entry = entriesHolder.Find(e => e.JobId == jobView.Id);
if (entry == null || entry.Locked)
{
return;
}
pane.JobsQueued--;
pane.JobsInProgress++;
entry.Status = JobStatus.Running;
}
break;
case JobChangeEvent.AfterCompleted:
{
var entry = entriesHolder.Find(e => e.JobId == jobView.Id);
if (entry == null || entry.Locked)
{
return;
}
pane.JobsInProgress--;
entry.Status = JobStatus.Done;
entry.Locked = true;
}
break;
case JobChangeEvent.OnProgressChange:
{
var entry = entriesHolder.Find(e => e.JobId == jobView.Id);
if (entry == null)
{
pane.JobsInProgress++;
entriesHolder.AddToTop(new JobEntry(jobView, jobView.GetJobTypeDescription()));
}
else if (entry.Locked)
{
return;
}
else
{
entry.EntryProgress = jobView.Progress;
}
}
break;
case JobChangeEvent.ExceptionThrown:
{
var entry = entriesHolder.Find(e => e.JobId == jobView.Id);
if (entry == null || entry.Locked)
{
return;
}
pane.JobsInProgress--;
entry.EntryException = jobView.Exception;
entry.Status = JobStatus.Error;
entry.Locked = true;
}
break;
case JobChangeEvent.Canceled:
{
var entry = entriesHolder.Find(e => e.JobId == jobView.Id);
if (entry == null || entry.Locked)
{
return;
}
pane.JobsInProgress--;
entry.Status = JobStatus.Canceled;
entry.Locked = true;
}
break;
default:
throw new ArgumentOutOfRangeException("JobsPanePresenter.JobsChanged: Maybe new type of JobChangeEvent?");
}
if (changeEvent == JobChangeEvent.AfterCompleted || changeEvent == JobChangeEvent.ExceptionThrown || changeEvent == JobChangeEvent.Canceled)
{
Task.Delay(2000).ContinueWith(
_ => { entriesHolder.Remove(e => e.JobId == jobView.Id); }
, new CancellationToken()
, TaskContinuationOptions.None
, TaskScheduler.FromCurrentSynchronizationContext()
);
}
}
