Poptropica Graphics Quality

package game.util
{
   import com.poptropica.AppConfig;
   import flash.display.Stage;
   import com.poptropica.platformSpecific.mobile.IDeviceCheck;

   public class PerformanceUtils extends Object
   {

      public function PerformanceUtils()
      {
         super();
      }

      public static function determineQualityLevel() : int
      {
         var _loc2_:* = null;
         var _loc1_:* = 100;
         if(PlatformUtils.isMobileOS && !(deviceCheck == null))
         {
            _loc1_ = deviceCheck.getDeviceLevel();
         }
         return _loc1_;
      }

      public static function determineAndSetVectorQuality() : void
      {
         var _loc1_:* = null;
         if(qualityLevel < 50 && !(AppConfig.platformType == "tablet") && !(AppConfig.platformType == "desktop"))
         {
            _loc1_ = "low";
         }
         else if(qualityLevel < 60 || (PlatformUtils.isMobileOS))
         {
            _loc1_ = "medium";
         }
         else
         {
            _loc1_ = "high";
         }

         if(stage.quality != _loc1_)
         {
            stage.quality = _loc1_;
         }
      }

      public static function setMaxStageQuality() : void
      {
         var _loc1_:* = null;
         if(PlatformUtils.isMobileOS)
         {
            _loc1_ = "medium";
         }
         else
         {
            _loc1_ = "high";
         }
         if(stage.quality != _loc1_)
         {
            stage.quality = _loc1_;
         }
      }

      public static function determineAndSetDefaultBitmapQuality() : void
      {
         if(qualityLevel < 50)
         {
            defaultBitmapQuality = 0.5;
         }
         else if(qualityLevel < 60)
         {
            defaultBitmapQuality = 0.75;
         }
         else
         {
            defaultBitmapQuality = 1;
         }

      }

      public static const QUALITY_LOWEST:int = 0;

      public static const QUALITY_LOWER:int = 20;

      public static const QUALITY_LOW:int = 40;

      public static const QUALITY_MEDIUM:int = 50;

      public static const QUALITY_HIGH:int = 60;

      public static const QUALITY_HIGHER:int = 80;

      public static const QUALITY_HIGHEST:int = 100;

      public static var qualityLevel:int = 0;

      public static var defaultBitmapQuality:Number = 1;

      public static var stage:Stage;

      public static var deviceCheck:IDeviceCheck;
   }
}