public void GetTextLines(object state, GetTextLinesHandler onGetLineInfoComplete)
{
lock (_syncRoot)
{
if (_getTextLineInfo.IsCompleted)
{
Task.Factory.StartNew(o =>
{
object[] args = o as object[];
GetTextLinesHandler h = args[0] as GetTextLinesHandler;
h(args[1], args[2] as string, args[3] as Task <Model.TextLine[]>);
}, new object[] { onGetLineInfoComplete, state, _text, _getTextLineInfo });
}
else
{
_onGetLineInfoComplete.Add(new Tuple <object, GetTextLinesHandler>(state, onGetLineInfoComplete));
}
}
}
private void GetTextLineInfoCompleted(Task <Model.TextLine[]> task)
{
lock (_syncRoot)
{
if (task.Id != _getTextLineInfo.Id || task.IsCanceled)
{
return;
}
foreach (Tuple <object, GetTextLinesHandler> handler in _onGetLineInfoComplete)
{
task.ContinueWith((t, o) =>
{
object[] args = o as object[];
Tuple <object, GetTextLinesHandler> h = args[0] as Tuple <object, GetTextLinesHandler>;
GetTextLinesHandler onGetLineInfoComplete = h.Item2;
onGetLineInfoComplete(h.Item1, args[1] as string, t);
}, new object[] { handler, _text });
}
_onGetLineInfoComplete.Clear();
}
}