Thread still showing as running after termination #22

package;

import lime.ui.FileDialogType;
import lime.ui.FileDialog;
import openfl.events.Event;
import openfl.net.URLRequest;
import openfl.display.Loader;
import openfl.display.Sprite;
import openfl.ui.Keyboard;
import openfl.events.KeyboardEvent;

class Main extends Sprite {
	var dialogOpen:Bool = false;
	var l:Loader;

	public function new() {
		super();
		stage.addEventListener(KeyboardEvent.KEY_DOWN, stage_keydown);
	}

	function loadComplete(e:Event) {}

	function stage_keydown(e:KeyboardEvent) {
		switch (e.keyCode) {
			case Keyboard.SPACE:
				selectImage();
			case Keyboard.DELETE:
				if (l != null) {
					l.unload();
					removeChild(l);
					l = null;
				}
		}
	};

	function selectImage() {
		#if !js
		if (dialogOpen)
			return; // prevent multiple dialogs
		if (l == null) {
			l = new Loader();
			l.contentLoaderInfo.addEventListener(Event.COMPLETE, loadComplete);
			addChild(l);
		} else {
			l.unload();
		}
		var dOpen = new FileDialog();
		dOpen.onSelect.add(function(path:String) {
			l.load(new URLRequest(path));
			dialogOpen = false;
		});
		dialogOpen = true;
		dOpen.browse(FileDialogType.OPEN);
		#end
	}
}