/// <inheritdoc/>
public override IDisposable Schedule <TState>(TState state, TimeSpan dueTime, Func <IScheduler, TState, IDisposable> action)
{
var composite = new CompositeDisposable(2);
if (dueTime == TimeSpan.Zero)
{
if (!Dispatcher.UIThread.CheckAccess())
{
var cancellation = new CancellationDisposable();
Dispatcher.UIThread.Post(() =>
{
if (!cancellation.Token.IsCancellationRequested)
{
composite.Add(action(this, state));
}
}, DispatcherPriority.DataBind);
composite.Add(cancellation);
}
else
{
return(action(this, state));
}
}
else
{
composite.Add(DispatcherTimer.RunOnce(() => composite.Add(action(this, state)), dueTime));
}
return(composite);
}
/// <inheritdoc/>
public override IDisposable Schedule <TState>(TState state, TimeSpan dueTime, Func <IScheduler, TState, IDisposable> action)
{
IDisposable PostOnDispatcher()
{
var composite = new CompositeDisposable(2);
var cancellation = new CancellationDisposable();
Dispatcher.UIThread.Post(() =>
{
if (!cancellation.Token.IsCancellationRequested)
{
composite.Add(action(this, state));
}
}, DispatcherPriority.Background);
composite.Add(cancellation);
return(composite);
}
if (dueTime == TimeSpan.Zero)
{
if (!Dispatcher.UIThread.CheckAccess())
{
return(PostOnDispatcher());
}
else
{
if (_reentrancyGuard >= MaxReentrantSchedules)
{
return(PostOnDispatcher());
}
try
{
_reentrancyGuard++;
return(action(this, state));
}
finally
{
_reentrancyGuard--;
}
}
}
else
{
var composite = new CompositeDisposable(2);
composite.Add(DispatcherTimer.RunOnce(() => composite.Add(action(this, state)), dueTime));
return(composite);
}
}
