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/*
* Copyright © 2010 Anthony Towns <aj@erisian.com.au>
*
* 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; version 2 of the License.
*
* 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altosuilib_2;
import javax.swing.*;
import javax.imageio.ImageIO;
import java.awt.image.*;
import java.awt.*;
import java.io.*;
import java.net.*;
public class AltosUIMapImage implements AltosUIMapStoreListener {
static final long google_maps_ratelimit_ms = 1200;
// Google limits static map queries to 50 per minute per IP, so
// each query should take at least 1.2 seconds.
static final int success = 0;
static final int loading = 1;
static final int failed = 2;
static final int bad_request = 3;
static final int forbidden = 4;
static long forbidden_time;
static boolean forbidden_set = false;
static final long forbidden_interval = 60l * 1000l * 1000l * 1000l;
AltosUIMapTile tile; /* Notify when image has been loaded */
Image image;
AltosUIMapStore store;
long used;
class loader implements Runnable {
public void run() {
if (image != null)
tile.notify_image(image);
try {
image = ImageIO.read(store.file);
} catch (Exception ex) {
}
if (image == null)
tile.set_status(failed);
else
tile.set_status(success);
tile.notify_image(image);
}
}
private void load() {
loader l = new loader();
Thread lt = new Thread(l);
lt.start();
}
public void flush() {
if (image != null) {
image.flush();
image = null;
}
}
public boolean has_map() {
return store.status() == AltosUIMapStore.success;
}
public synchronized void notify_store(AltosUIMapStore store, int status) {
switch (status) {
case AltosUIMapStore.loading:
break;
case AltosUIMapStore.success:
load();
break;
default:
tile.set_status(status);
tile.notify_image(null);
}
}
public AltosUIMapImage(AltosUIMapTile tile, AltosUIMapStore store) throws IOException {
this.tile = tile;
this.image = null;
this.store = store;
this.used = 0;
int status = store.status();
switch (status) {
case AltosUIMapStore.loading:
store.add_listener(this);
break;
case AltosUIMapStore.success:
load();
break;
default:
tile.set_status(status);
tile.notify_image(null);
break;
}
}
}
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