/* Zplet, a Z-Machine interpreter in Java */
/* Copyright 1996,2001 Matthew T. Russotto */
/* As of 23 February 2001, this code is open source and covered by the */
/* Artistic License, found within this package */

package org.zplet.zmachine.state;

import java.awt.*;

class ZSFrame extends Frame {
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	FileDialog fd;
	boolean ran = false;
	int boxtype = FileDialog.SAVE;
	Thread blockedthread = null;

	public ZSFrame() {
		super();
	}

	public ZSFrame(String title) {
		super(title);
	}

	public ZSFrame(String title, int boxtype) {
		this(title);
		this.boxtype = boxtype;
	}

	@Override
	public void processEvent(AWTEvent evt) {
		if (!ran) {
			fd = new FileDialog(this, "Save game as...", boxtype);
			fd.setVisible(true);
		}
		ran = true;
		if (blockedthread != null)
			blockedthread.resume();
		super.processEvent(evt);
	}

	public String getFile() {
		if (!ran) {
			blockedthread = Thread.currentThread();
			blockedthread.suspend();
			/* race conditions galore */
		}
		return fd.getFile();
	}

	public String getDirectory() {
		if (!ran) {
			blockedthread = Thread.currentThread();
			blockedthread.suspend();
			/* race conditions galore */
		}
		return fd.getDirectory();
	}
}

/** ZState holds the state-of-play for the Z machine */