private TaskStatusChangedEventArgs(bool isSingle,
TaskStatusChangedInfo status,
TaskStatusChangedInfo[] statuses)
{
if (isSingle && status == null) {
throw new ArgumentNullException ("status");
} else if (!isSingle && statuses == null) {
throw new ArgumentNullException ("statuses");
}
this.statusChanged = status;
this.statusesChanged = statuses;
}
private TaskStatusChangedEventArgs(bool isSingle,
TaskStatusChangedInfo status,
TaskStatusChangedInfo[] statuses)
{
if (isSingle && status == null)
{
throw new ArgumentNullException("status");
}
else if (!isSingle && statuses == null)
{
throw new ArgumentNullException("statuses");
}
this.statusChanged = status;
this.statusesChanged = statuses;
}
protected virtual void OnStatusChanged(TaskStatusChangedInfo tsci)
{
AsyncCommandQueue queue = commandQueue;
EventHandler <TaskStatusChangedEventArgs> handler = StatusChanged;
if (queue != null)
{
queue.Register(new CommandWrapper(delegate {
TaskStatusChangedEventArgs e = new TaskStatusChangedEventArgs(tsci);
if (handler != null)
{
handler(this, e);
}
}));
}
else if (handler != null)
{
ThreadPool.QueueUserWorkItem(delegate {
handler(this, new TaskStatusChangedEventArgs(tsci));
});
}
}
public TaskStatusChangedEventArgs(TaskStatusChangedInfo status) : this(true, status, null)
{
}
protected virtual void OnStatusChanged(TaskStatusChangedInfo tsci)
{
AsyncCommandQueue queue = commandQueue;
EventHandler<TaskStatusChangedEventArgs> handler = StatusChanged;
if (queue != null) {
queue.Register (new CommandWrapper (delegate {
TaskStatusChangedEventArgs e = new TaskStatusChangedEventArgs (tsci);
if (handler != null) {
handler (this, e);
}
}));
} else if (handler != null) {
ThreadPool.QueueUserWorkItem (delegate {
handler (this, new TaskStatusChangedEventArgs (tsci));
});
}
}
private void TaskStatusChanged(TaskStatusChangedInfo statusInfo)
{
HttpFileDownloadTask task = statusInfo.Task as HttpFileDownloadTask;
if (task == null) {
return;
}
FeedEnclosure enc = task.UserState as FeedEnclosure;
if (enc == null) {
return;
}
switch (statusInfo.NewStatus) {
case TaskStatus.Stopped:
case TaskStatus.Cancelled:
enc.DownloadStatus = FeedDownloadStatus.None;
break;
case TaskStatus.Failed:
enc.DownloadStatus = FeedDownloadStatus.DownloadFailed;
break;
case TaskStatus.Paused:
enc.DownloadStatus = FeedDownloadStatus.Paused;
break;
case TaskStatus.Ready:
enc.DownloadStatus = FeedDownloadStatus.Pending;
break;
case TaskStatus.Running:
enc.DownloadStatus = FeedDownloadStatus.Downloading;
//enc.Item.Feed.IncrementActiveDownloadCount ();
break;
case TaskStatus.Succeeded:
break;
}
FeedsManager.Instance.FeedManager.OnItemChanged (enc.Item);
if (statusInfo.OldStatus == TaskStatus.Running) {
//enc.Item.Feed.DecrementActiveDownloadCount ();
}
}
public TaskStatusChangedEventArgs(TaskStatusChangedInfo[] statuses)
: this(false, null, statuses)
{
}
public TaskStatusChangedEventArgs(TaskStatusChangedInfo status)
: this(true, status, null)
{
}