protected void SetLifecycleStateTo(LifecycleState state)
{
var operations = new ScreenLifecycleOperations(Aggregator, Screen);
if (state == LifecycleState.Created)
{
return;
}
operations.Initialize();
if (state == LifecycleState.Initialized)
{
return;
}
operations.Activate();
if (state == LifecycleState.Activated)
{
return;
}
operations.Deactivate();
if (state == LifecycleState.Deactivated)
{
return;
}
operations.Close();
if (state == LifecycleState.Closed)
{
return;
}
if (state == LifecycleState.ExceptionOccured)
{
Aggregator.Publish(
ScreenEvents.LifecycleExceptionOccured,
new ScreenEventArgs(Screen)
);
}
else
{
throw new NotSupportedException();
}
}
private void CloseScreen(bool checkState)
{
var screenLifecycle = ScreenHelper.GetChild <ScreenLifecycle>(_screen);
var ops = new ScreenLifecycleOperations(_aggregator, _screen);
if (!checkState || screenLifecycle.CanDeactivate)
{
ops.Deactivate();
}
if (!checkState || screenLifecycle.CanClose)
{
ops.Close();
}
}
