public override void UpdateMapRegion(MapRegion region)
{
base.UpdateMapRegion(region);
Region = region;
if (region == null)
{
return;
}
if (!IsVisible)
{
return;
}
Center = region.GetCenter();
if (lastCullCenter.HasValue && CullUpdateThreshold.Meters > 0 &&
MapLocationSystem.CalculateDistance(Center, lastCullCenter.Value) < CullUpdateThreshold)
{
return;
}
if (MaxRunningTasks.HasValue && activeTasksCount >= MaxRunningTasks)
{
Push();
return;
}
if (lastQueryCenter.HasValue && QueryThreshold.Meters > 0 &&
MapLocationSystem.CalculateDistance(Center, lastQueryCenter.Value) < QueryThreshold)
{
Push();
return;
}
lastQueryCenter = Center;
Task.Run(DoAsync);
}
