protected void Dispatch(object o)
{
lock (_syncObj)
_callingClientStart = DateTime.Now;
try
{
ParameterlessMethod cmd = o as ParameterlessMethod;
if (cmd != null)
cmd();
InputEvent evt = o as InputEvent;
if (evt != null)
DispatchEvent(evt);
}
catch (Exception e)
{
ServiceRegistration.Get<ILogger>().Error("InputManager: Error dispatching '{0}'", e, o);
}
finally
{
bool hideBusyScreen;
lock (_syncObj)
{
hideBusyScreen = _busyScreenVisible;
_busyScreenVisible = false;
_callingClientStart = null;
}
if (hideBusyScreen && !IsTerminated)
{
ISuperLayerManager superLayerManager = ServiceRegistration.Get<ISuperLayerManager>();
superLayerManager.HideBusyScreen();
}
}
}
protected void Dispatch(object o)
{
System.Threading.Timer timer;
lock (_syncObj)
{
_callingClientStart = DateTime.Now;
// Start a timer to show the busy screen if we don't complete the event within the timeout.
// We create a new timer on every event so that we can use it's Dispose(WaitHandle) to
// ensure that the callback has either finished or is guaranteed not to run after we have
// checked whether to hide the busy screen below. This shouldn't have a negative performance
// impact because the Timer class is specifically designed for this scenario.
// See comment here: https://referencesource.microsoft.com/#mscorlib/system/threading/timer.cs,32
timer = new System.Threading.Timer(BusyTimeoutTimerCallback, null, BUSY_TIMEOUT, Timeout.InfiniteTimeSpan);
}
try
{
ParameterlessMethod cmd = o as ParameterlessMethod;
if (cmd != null)
{
cmd();
}
InputEvent evt = o as InputEvent;
if (evt != null)
{
DispatchEvent(evt);
}
}
catch (Exception e)
{
ServiceRegistration.Get <ILogger>().Error("InputManager: Error dispatching '{0}'", e, o);
}
finally
{
// Make sure the timer callback is guaranteed not to run
// before checking whether the busy screen has been shown.
_timoutTimerResetEvent.Reset();
timer.Dispose(_timoutTimerResetEvent);
_timoutTimerResetEvent.WaitOne();
bool hideBusyScreen;
lock (_syncObj)
{
hideBusyScreen = _busyScreenVisible;
_busyScreenVisible = false;
_callingClientStart = null;
}
if (hideBusyScreen && !IsTerminated)
{
ISuperLayerManager superLayerManager = ServiceRegistration.Get <ISuperLayerManager>();
superLayerManager.HideBusyScreen();
}
}
}
