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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; 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.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_14;
import java.io.*;
import java.util.*;
public class AltosMapTile implements AltosFontListener, AltosMapStoreListener {
LinkedList<AltosMapTileListener> listeners = new LinkedList<AltosMapTileListener>();
public AltosLatLon upper_left, center;
public int px_size;
int zoom;
int maptype;
int scale;
private AltosMapCache cache;
public AltosMapStore store;
public int status;
static public final int loaded = 0; /* loaded from file */
static public final int fetched = 1; /* downloaded to file */
static public final int fetching = 2; /* downloading from net */
static public final int failed = 3; /* loading from file failed */
static public final int bad_request = 4;/* downloading failed */
static public final int forbidden = 5; /* downloading failed */
static public String status_name(int status) {
switch (status) {
case loaded:
return "loaded";
case fetched:
return "fetched";
case fetching:
return "fetching";
case failed:
return "failed";
case bad_request:
return "bad_request";
case forbidden:
return "forbidden";
default:
return "unknown";
}
}
public void font_size_changed(int font_size) {
}
private synchronized void notify_listeners(int status) {
this.status = status;
for (AltosMapTileListener listener : listeners)
listener.notify_tile(this, status);
}
public void notify_store(AltosMapStore store, int status) {
notify_listeners(status);
}
public void notify_image(AltosImage image) {
if (image == null)
status = failed;
else
status = loaded;
notify_listeners(status);
}
public void paint(AltosMapTransform t) {
}
public AltosImage get_image() {
if (cache == null)
return null;
return cache.get(this);
}
public synchronized void add_listener(AltosMapTileListener listener) {
if (!listeners.contains(listener))
listeners.add(listener);
listener.notify_tile(this, status);
}
public synchronized void remove_listener(AltosMapTileListener listener) {
listeners.remove(listener);
}
public AltosMapTile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
this.cache = cache;
this.upper_left = upper_left;
while (center.lon < -180.0)
center.lon += 360.0;
while (center.lon > 180.0)
center.lon -= 360.0;
this.center = center;
this.zoom = zoom;
this.maptype = maptype;
this.px_size = px_size;
this.scale = scale;
store = AltosMapStore.get(center, zoom, maptype, px_size, scale);
store.add_listener(this);
}
}
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