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   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; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18 package org.altusmetrum.AltosDroid;
  19
  20 import java.util.*;
  21
  22 import android.content.Context;
  23 import org.altusmetrum.altoslib_13.*;
  24
  25 public class AltosDroidPreferences extends AltosPreferences {
  26
  27         /* Active device preference name */
  28         final static String activeDeviceAddressPreference = "ACTIVE-DEVICE-ADDRESS";
  29         final static String activeDeviceNamePreference = "ACTIVE-DEVICE-NAME";
  30
  31         public static final int font_size_small = 0;
  32         public static final int font_size_medium = 1;
  33         public static final int font_size_large = 2;
  34         public static final int font_size_extra = 3;
  35
  36         final static String fontSizePreference = "FONT-SIZE";
  37
  38         static int font_size = font_size_medium;
  39
  40         static DeviceAddress    active_device_address;
  41
  42         /* Map source preference name */
  43         final static String mapSourcePreference = "MAP-SOURCE";
  44
  45         static final int        MAP_SOURCE_OFFLINE = 0;
  46         static final int        MAP_SOURCE_ONLINE = 1;
  47
  48         static int      map_source;
  49
  50         public static void init(Context context) {
  51                 if (backend != null)
  52                         return;
  53
  54                 AltosPreferences.init(new AltosDroidPreferencesBackend(context));
  55
  56                 font_size = backend.getInt(fontSizePreference, font_size_medium);
  57
  58                 String address = backend.getString(activeDeviceAddressPreference, null);
  59                 String name = backend.getString(activeDeviceNamePreference, null);
  60
  61                 if (address != null && name != null)
  62                         active_device_address = new DeviceAddress (address, name);
  63
  64                 map_source = backend.getInt(mapSourcePreference, MAP_SOURCE_ONLINE);
  65         }
  66
  67         public static void set_active_device(DeviceAddress address) {
  68                 synchronized(backend) {
  69                         active_device_address = address;
  70                         if (active_device_address != null) {
  71                                 backend.putString(activeDeviceAddressPreference, active_device_address.address);
  72                                 backend.putString(activeDeviceNamePreference, active_device_address.name);
  73                         } else {
  74                                 backend.remove(activeDeviceAddressPreference);
  75                                 backend.remove(activeDeviceNamePreference);
  76                         }
  77                         flush_preferences();
  78                 }
  79         }
  80
  81         public static DeviceAddress active_device() {
  82                 synchronized(backend) {
  83                         return active_device_address;
  84                 }
  85         }
  86
  87         static LinkedList<AltosDroidMapSourceListener> map_source_listeners;
  88
  89         public static void set_map_source(int map_source) {
  90                 synchronized(backend) {
  91                         AltosDroidPreferences.map_source = map_source;
  92                         backend.putInt(mapSourcePreference, map_source);
  93                         flush_preferences();
  94                 }
  95                 if (map_source_listeners != null) {
  96                         for (AltosDroidMapSourceListener l : map_source_listeners) {
  97                                 l.map_source_changed(map_source);
  98                         }
  99                 }
 100         }
 101
 102         public static int map_source() {
 103                 synchronized(backend) {
 104                         return map_source;
 105                 }
 106         }
 107
 108         public static void register_map_source_listener(AltosDroidMapSourceListener l) {
 109                 synchronized(backend) {
 110                         if (map_source_listeners == null)
 111                                 map_source_listeners = new LinkedList<AltosDroidMapSourceListener>();
 112                         map_source_listeners.add(l);
 113                 }
 114         }
 115
 116         public static void unregister_map_source_listener(AltosDroidMapSourceListener l) {
 117                 synchronized(backend) {
 118                         map_source_listeners.remove(l);
 119                 }
 120         }
 121
 122         public static int font_size() {
 123                 synchronized (backend) {
 124                         return font_size;
 125                 }
 126         }
 127
 128         public static void set_font_size(int new_font_size) {
 129                 synchronized (backend) {
 130                         if (font_size != new_font_size) {
 131                                 font_size = new_font_size;
 132                                 backend.putInt(fontSizePreference, font_size);
 133                                 flush_preferences();
 134                         }
 135                 }
 136         }
 137 }