Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos

[fw/altos] / altosuilib / AltosUIMapCache.java

diff --git a/altosuilib/AltosUIMapCache.java b/altosuilib/AltosUIMapCache.java
deleted file mode 100644 (file)
index 73401e3..0000000
--- a/altosuilib/AltosUIMapCache.java
+++ /dev/null
@@ -1,137 +0,0 @@
-/*
- * 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_6;
-
-import javax.swing.*;
-import javax.imageio.ImageIO;
-import java.awt.image.*;
-import java.awt.*;
-import java.io.*;
-import java.net.*;
-
-public class AltosUIMapCache implements AltosUIMapCacheListener {
-       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;
-
-       int                     min_cache_size;         /* configured minimum cache size */
-       int                     cache_size;             /* current cache size */
-       int                     requested_cache_size;   /* cache size computed by application */
-
-       private Object          fetch_lock = new Object();
-       private Object          cache_lock = new Object();
-
-       AltosUIMapImage[]       images = new AltosUIMapImage[cache_size];
-
-       long                    used;
-
-       public void set_cache_size(int new_size) {
-
-               requested_cache_size = new_size;
-
-               if (new_size < min_cache_size)
-                       new_size = min_cache_size;
-
-               if (new_size == cache_size)
-                       return;
-
-               synchronized(cache_lock) {
-                       AltosUIMapImage[]       new_images = new AltosUIMapImage[new_size];
-
-                       for (int i = 0; i < cache_size; i++) {
-                               if (i < new_size)
-                                       new_images[i] = images[i];
-                               else if (images[i] != null)
-                                       images[i].flush();
-                       }
-                       images = new_images;
-                       cache_size = new_size;
-               }
-       }
-
-       public Image get(AltosUIMapTile tile, AltosUIMapStore store, int width, int height) {
-               int             oldest = -1;
-               long            age = used;
-
-               synchronized(cache_lock) {
-                       AltosUIMapImage image = null;
-                       for (int i = 0; i < cache_size; i++) {
-                               image = images[i];
-
-                               if (image == null) {
-                                       oldest = i;
-                                       break;
-                               }
-                               if (store.equals(image.store)) {
-                                       image.used = used++;
-                                       return image.image;
-                               }
-                               if (image.used < age) {
-                                       oldest = i;
-                                       age = image.used;
-                               }
-                       }
-
-                       try {
-                               image = new AltosUIMapImage(tile, store);
-                               image.used = used++;
-                               if (images[oldest] != null)
-                                       images[oldest].flush();
-
-                               images[oldest] = image;
-
-                               if (image.image == null)
-                                       tile.set_status(loading);
-                               else
-                                       tile.set_status(success);
-
-                               return image.image;
-                       } catch (IOException e) {
-                               tile.set_status(failed);
-                               return null;
-                       }
-               }
-       }
-
-       public void map_cache_changed(int map_cache) {
-               min_cache_size = map_cache;
-
-               set_cache_size(requested_cache_size);
-       }
-
-       public void dispose() {
-               AltosUIPreferences.unregister_map_cache_listener(this);
-
-               for (int i = 0; i < cache_size; i++) {
-                       AltosUIMapImage image = images[i];
-
-                       if (image != null)
-                           image.flush();
-               }
-       }
-
-       public AltosUIMapCache() {
-               min_cache_size = AltosUIPreferences.map_cache();
-
-               set_cache_size(0);
-
-               AltosUIPreferences.register_map_cache_listener(this);
-       }
-}