public FeatureActivator(string featureName, Func <WVR_Result> starter, Func <WVR_Result> initializer, Action stopper)
{
this.featureName = featureName;
this.activity = FeatureActivity.Stopped;
this.shouldActive = false;
this.coroutineHandle = null;
this.starter = starter;
this.initializer = initializer;
this.stopper = stopper;
}
public void Deactivate()
{
shouldActive = false;
if (activity == FeatureActivity.Started || activity == FeatureActivity.StartFailed)
{
activity = FeatureActivity.Stopped;
stopper();
Debug.Log(log_prefix + "Stop " + featureName + " done.");
}
}
private IEnumerator ActivateCoroutine()
{
yield return(LiteTask.ToForeground);
const long retryInterval = 1000L;
var nextRestartTime = default(DateTime);
var result = default(WVR_Result);
while (true)
{
if (shouldActive)
{
switch (activity)
{
case FeatureActivity.Stopped:
activity = FeatureActivity.Starting;
break;
case FeatureActivity.Starting:
break;
case FeatureActivity.Started:
case FeatureActivity.StartFailed:
default:
yield break;
}
}
else
{
switch (activity)
{
case FeatureActivity.Started:
case FeatureActivity.StartFailed:
stopper();
Debug.Log(log_prefix + "Stop " + featureName + " done.");
activity = FeatureActivity.Stopped;
yield break;
case FeatureActivity.Starting:
case FeatureActivity.Stopped:
default:
yield break;
}
}
if (DateTime.UtcNow < nextRestartTime)
{
yield return(null);
continue;
}
yield return(LiteTask.ToBackground);
result = starter();
if (result == WVR_Result.WVR_Success)
{
result = initializer();
}
yield return(LiteTask.ToForeground);
switch (result)
{
case WVR_Result.WVR_Error_SystemInvalid:
nextRestartTime = DateTime.UtcNow + new TimeSpan(retryInterval * TimeSpan.TicksPerMillisecond);
Debug.LogWarning(log_prefix + "Start " + featureName + " fail (system not ready). Retrying in " + retryInterval + " milliseconds...");
yield return(null);
break;
case WVR_Result.WVR_Success:
Debug.Log(log_prefix + "Start " + featureName + " success.");
activity = FeatureActivity.Started;
break;
default:
Debug.LogError(log_prefix + "Start " + featureName + " error:" + result);
activity = FeatureActivity.StartFailed;
break;
}
}
}
