--- /dev/null
+/*
+ * Copyright © 2014 Keith Packard <keithp@keithp.com>
+ *
+ * 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.AltosDroid;
+
+import java.io.*;
+import java.util.*;
+import java.text.*;
+
+import android.content.Context;
+import org.altusmetrum.altoslib_13.*;
+
+public class AltosDroidPreferences extends AltosPreferences {
+
+ /* Active device preference name */
+ final static String activeDeviceAddressPreference = "ACTIVE-DEVICE-ADDRESS";
+ final static String activeDeviceNamePreference = "ACTIVE-DEVICE-NAME";
+
+ static DeviceAddress active_device_address;
+
+ /* Map source preference name */
+ final static String mapSourcePreference = "MAP-SOURCE";
+
+ static final int MAP_SOURCE_OFFLINE = 0;
+ static final int MAP_SOURCE_ONLINE = 1;
+
+ static int map_source;
+
+ public static void init(Context context) {
+ if (backend != null)
+ return;
+
+ AltosPreferences.init(new AltosDroidPreferencesBackend(context));
+
+ String address = backend.getString(activeDeviceAddressPreference, null);
+ String name = backend.getString(activeDeviceNamePreference, null);
+
+ if (address != null && name != null)
+ active_device_address = new DeviceAddress (address, name);
+
+ map_source = backend.getInt(mapSourcePreference, MAP_SOURCE_ONLINE);
+ }
+
+ public static void set_active_device(DeviceAddress address) {
+ synchronized(backend) {
+ active_device_address = address;
+ if (active_device_address != null) {
+ backend.putString(activeDeviceAddressPreference, active_device_address.address);
+ backend.putString(activeDeviceNamePreference, active_device_address.name);
+ } else {
+ backend.remove(activeDeviceAddressPreference);
+ backend.remove(activeDeviceNamePreference);
+ }
+ flush_preferences();
+ }
+ }
+
+ public static DeviceAddress active_device() {
+ synchronized(backend) {
+ return active_device_address;
+ }
+ }
+
+ static LinkedList<AltosDroidMapSourceListener> map_source_listeners;
+
+ public static void set_map_source(int map_source) {
+ synchronized(backend) {
+ AltosDroidPreferences.map_source = map_source;
+ backend.putInt(mapSourcePreference, map_source);
+ flush_preferences();
+ }
+ if (map_source_listeners != null) {
+ for (AltosDroidMapSourceListener l : map_source_listeners) {
+ l.map_source_changed(map_source);
+ }
+ }
+ }
+
+ public static int map_source() {
+ synchronized(backend) {
+ return map_source;
+ }
+ }
+
+ public static void register_map_source_listener(AltosDroidMapSourceListener l) {
+ synchronized(backend) {
+ if (map_source_listeners == null)
+ map_source_listeners = new LinkedList<AltosDroidMapSourceListener>();
+ map_source_listeners.add(l);
+ }
+ }
+
+ public static void unregister_map_source_listener(AltosDroidMapSourceListener l) {
+ synchronized(backend) {
+ map_source_listeners.remove(l);
+ }
+ }
+}