    001    package net.minecraft.client;
    002
    003    import cpw.mods.fml.relauncher.Side;
    004    import cpw.mods.fml.relauncher.SideOnly;
    005    import java.util.concurrent.Callable;
    006
    007    @SideOnly(Side.CLIENT)
    008    public class CallableUpdatingScreenName implements Callable
    009    {
    010        final Minecraft field_90055_a;
    011
    012        public CallableUpdatingScreenName(Minecraft par1Minecraft)
    013        {
    014            this.field_90055_a = par1Minecraft;
    015        }
    016
    017        public String func_90054_a()
    018        {
    019            return this.field_90055_a.currentScreen.getClass().getCanonicalName();
    020        }
    021
    022        public Object call()
    023        {
    024            return this.func_90054_a();
    025        }
    026    }