X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altosuilib%2FAltosUIMapImage.java;fp=altosuilib%2FAltosUIMapImage.java;h=3819d0790939369fd2ac6cbc9eb0bad0e351371e;hb=db2443fdbf65b65703217174303027c439124a83;hp=0000000000000000000000000000000000000000;hpb=ac33ca137551e32235cd2a0304da4b5e7af51a44;p=fw%2Faltos diff --git a/altosuilib/AltosUIMapImage.java b/altosuilib/AltosUIMapImage.java new file mode 100644 index 00000000..3819d079 --- /dev/null +++ b/altosuilib/AltosUIMapImage.java @@ -0,0 +1,113 @@ +/* + * Copyright © 2010 Anthony Towns + * + * 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; + } + } +}