//  Job: Jay's Own Browser, a web browser written in Java by Jay Skeer
//  Copyright (C) 1996 Jay Skeer, Jay Prime Positive
//
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program; if not, write to the Free Software
//  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//

import java.awt.*;
import HtmlDocumentRegion;

public class HtmlDocumentRegionPanel extends HtmlDocumentAreaPanel {
    HtmlDocumentRegionStream region_stream;
    boolean regions_changed= false;
    boolean size_changed= false;
    boolean posn_changed= false;

    /** the last size and position of this window */
    int last_x, last_y, last_wide, last_tall;

    public HtmlDocumentRegionPanel() {
	super();
 	region_stream= null;
	regions_changed= false;
    }

    public void showRegions(HtmlDocumentRegionStream rs) {
        region_stream= rs;
	regions_changed= true;
    }

    public void reshape(int x, int y, int wide, int tall) {
	Jdb.trace("HTA.reshape(" 
	          + Integer.toString(x) + ", "
	          + Integer.toString(y) + ", "
		  + Integer.toString(wide) + ", "
		  + Integer.toString(tall) + ")");
	size_changed= ((last_wide != wide) || (last_tall != tall));
	posn_changed= ((last_x != x) || (last_y != y));
	super.reshape(x, y, wide, tall);
    }
    
    public void paint(Graphics g) {
Jdb.enter("HDRP.paint()");
	if (regions_changed || size_changed) {
Jdb.trace("things changed");
	    if (null != region_stream) {
Jdb.trace("rewind region_stream");
		region_stream.rewind();
		setAreas(region_stream);
	    }
	}
	regions_changed= false;
	size_changed= false;
	Rectangle r= bounds();
	last_x= r.x;
	last_y= r.y;
	last_wide= r.width;
	last_tall= r.height;
	super.paint(g);
Jdb.exit("HDRP.paint()");
    }
}