git.gag.com Git - fw/altos/blob - altosdroid/src/org/altusmetrum/AltosDroid/AltosDroidPreferences.java

   1 /*
   2  * Copyright © 2014 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17 package org.altusmetrum.AltosDroid;
  18
  19 import java.io.*;
  20 import java.util.*;
  21 import java.text.*;
  22
  23 import android.content.Context;
  24 import org.altusmetrum.altoslib_11.*;
  25
  26 public class AltosDroidPreferences extends AltosPreferences {
  27
  28         /* Active device preference name */
  29         final static String activeDeviceAddressPreference = "ACTIVE-DEVICE-ADDRESS";
  30         final static String activeDeviceNamePreference = "ACTIVE-DEVICE-NAME";
  31
  32         static DeviceAddress    active_device_address;
  33
  34         /* Map source preference name */
  35         final static String mapSourcePreference = "MAP-SOURCE";
  36
  37         static final int        MAP_SOURCE_OFFLINE = 0;
  38         static final int        MAP_SOURCE_ONLINE = 1;
  39
  40         static int      map_source;
  41
  42         public static void init(Context context) {
  43                 if (backend != null)
  44                         return;
  45
  46                 AltosPreferences.init(new AltosDroidPreferencesBackend(context));
  47
  48                 String address = backend.getString(activeDeviceAddressPreference, null);
  49                 String name = backend.getString(activeDeviceNamePreference, null);
  50
  51                 if (address != null && name != null)
  52                         active_device_address = new DeviceAddress (address, name);
  53
  54                 map_source = backend.getInt(mapSourcePreference, MAP_SOURCE_ONLINE);
  55         }
  56
  57         public static void set_active_device(DeviceAddress address) {
  58                 synchronized(backend) {
  59                         active_device_address = address;
  60                         if (active_device_address != null) {
  61                                 backend.putString(activeDeviceAddressPreference, active_device_address.address);
  62                                 backend.putString(activeDeviceNamePreference, active_device_address.name);
  63                         } else {
  64                                 backend.remove(activeDeviceAddressPreference);
  65                                 backend.remove(activeDeviceNamePreference);
  66                         }
  67                         flush_preferences();
  68                 }
  69         }
  70
  71         public static DeviceAddress active_device() {
  72                 synchronized(backend) {
  73                         return active_device_address;
  74                 }
  75         }
  76
  77         static LinkedList<AltosDroidMapSourceListener> map_source_listeners;
  78
  79         public static void set_map_source(int map_source) {
  80                 synchronized(backend) {
  81                         AltosDroidPreferences.map_source = map_source;
  82                         backend.putInt(mapSourcePreference, map_source);
  83                         flush_preferences();
  84                 }
  85                 if (map_source_listeners != null) {
  86                         for (AltosDroidMapSourceListener l : map_source_listeners) {
  87                                 l.map_source_changed(map_source);
  88                         }
  89                 }
  90         }
  91
  92         public static int map_source() {
  93                 synchronized(backend) {
  94                         return map_source;
  95                 }
  96         }
  97
  98         public static void register_map_source_listener(AltosDroidMapSourceListener l) {
  99                 synchronized(backend) {
 100                         if (map_source_listeners == null)
 101                                 map_source_listeners = new LinkedList<AltosDroidMapSourceListener>();
 102                         map_source_listeners.add(l);
 103                 }
 104         }
 105
 106         public static void unregister_map_source_listener(AltosDroidMapSourceListener l) {
 107                 synchronized(backend) {
 108                         map_source_listeners.remove(l);
 109                 }
 110         }
 111 }