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   1 /*
   2  * Copyright © 2010 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
  18 package org.altusmetrum.altoslib_5;
  19
  20 import java.io.*;
  21 import java.util.*;
  22
  23 public class AltosPreferences {
  24         public static AltosPreferencesBackend backend = null;
  25
  26         /* logdir preference name */
  27         public final static String logdirPreference = "LOGDIR";
  28
  29         /* channel preference name */
  30         public final static String channelPreferenceFormat = "CHANNEL-%d";
  31
  32         /* frequency preference name */
  33         public final static String frequencyPreferenceFormat = "FREQUENCY-%d";
  34
  35         /* telemetry format preference name */
  36         public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
  37
  38         /* telemetry rate format preference name */
  39         public final static String telemetryRatePreferenceFormat = "RATE-%d";
  40
  41         /* voice preference name */
  42         public final static String voicePreference = "VOICE";
  43
  44         /* callsign preference name */
  45         public final static String callsignPreference = "CALLSIGN";
  46
  47         /* firmware directory preference name */
  48         public final static String firmwaredirPreference = "FIRMWARE";
  49
  50         /* serial debug preference name */
  51         public final static String serialDebugPreference = "SERIAL-DEBUG";
  52
  53         /* scanning telemetry preferences name */
  54         public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
  55
  56         /* scanning telemetry rate preferences name */
  57         public final static String scanningTelemetryRatePreference = "SCANNING-RATE";
  58
  59         /* Launcher serial preference name */
  60         public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
  61
  62         /* Launcher channel preference name */
  63         public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
  64
  65         /* Default logdir is ~/TeleMetrum */
  66         public final static String logdirName = "TeleMetrum";
  67
  68         /* Log directory */
  69         public static File logdir;
  70
  71         /* Last log directory - use this next time we open or save something */
  72         public static File last_logdir;
  73
  74         /* Map directory -- hangs of logdir */
  75         public static File mapdir;
  76
  77         /* Frequency (map serial to frequency) */
  78         public static Hashtable<Integer, Double> frequencies;
  79
  80         /* Telemetry (map serial to telemetry format) */
  81         public static Hashtable<Integer, Integer> telemetries;
  82
  83         /* Telemetry rate (map serial to telemetry format) */
  84         public static Hashtable<Integer, Integer> telemetry_rates;
  85
  86         /* Voice preference */
  87         public static boolean voice;
  88
  89         /* Callsign preference */
  90         public static String callsign;
  91
  92         /* Firmware directory */
  93         public static File firmwaredir;
  94
  95         /* Scanning telemetry */
  96         public static int scanning_telemetry;
  97
  98         public static int scanning_telemetry_rate;
  99
 100         /* List of frequencies */
 101         public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
 102         public static AltosFrequency[] common_frequencies;
 103
 104         public final static String      frequency_count = "COUNT";
 105         public final static String      frequency_format = "FREQUENCY-%d";
 106         public final static String      description_format = "DESCRIPTION-%d";
 107
 108         /* Units preference */
 109
 110         public final static String      unitsPreference = "IMPERIAL-UNITS";
 111
 112         public static AltosFrequency[] load_common_frequencies() {
 113                 AltosFrequency[] frequencies = null;
 114                 boolean existing = false;
 115                 existing = backend.nodeExists(common_frequencies_node_name);
 116
 117                 if (existing) {
 118                         AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 119                         int             count = node.getInt(frequency_count, 0);
 120
 121                         frequencies = new AltosFrequency[count];
 122                         for (int i = 0; i < count; i++) {
 123                                 double  frequency;
 124                                 String  description;
 125
 126                                 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 127                                 description = node.getString(String.format(description_format, i), null);
 128                                 frequencies[i] = new AltosFrequency(frequency, description);
 129                         }
 130                 } else {
 131                         frequencies = new AltosFrequency[10];
 132                         for (int i = 0; i < 10; i++) {
 133                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 134                                                                            String.format("Channel %d", i));
 135                         }
 136                 }
 137                 return frequencies;
 138         }
 139
 140         public static void save_common_frequencies(AltosFrequency[] frequencies) {
 141                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 142
 143                 node.putInt(frequency_count, frequencies.length);
 144                 for (int i = 0; i < frequencies.length; i++) {
 145                         node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
 146                         node.putString(String.format(description_format, i), frequencies[i].description);
 147                 }
 148         }
 149         public static int launcher_serial;
 150
 151         public static int launcher_channel;
 152
 153         public static void init(AltosPreferencesBackend in_backend) {
 154                 backend = in_backend;
 155
 156                 /* Initialize logdir from preferences */
 157                 String logdir_string = backend.getString(logdirPreference, null);
 158                 if (logdir_string != null)
 159                         logdir = new File(logdir_string);
 160                 else {
 161                         logdir = new File(backend.homeDirectory(), logdirName);
 162                         if (!logdir.exists())
 163                                 logdir.mkdirs();
 164                 }
 165                 mapdir = new File(logdir, "maps");
 166                 if (!mapdir.exists())
 167                         mapdir.mkdirs();
 168
 169                 frequencies = new Hashtable<Integer, Double>();
 170
 171                 telemetries = new Hashtable<Integer,Integer>();
 172
 173                 telemetry_rates = new Hashtable<Integer,Integer>();
 174
 175                 voice = backend.getBoolean(voicePreference, true);
 176
 177                 callsign = backend.getString(callsignPreference,"N0CALL");
 178
 179                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 180
 181                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 182
 183                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 184
 185                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 186
 187                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 188                 if (firmwaredir_string != null)
 189                         firmwaredir = new File(firmwaredir_string);
 190                 else
 191                         firmwaredir = null;
 192
 193                 common_frequencies = load_common_frequencies();
 194
 195                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 196         }
 197
 198         public static void flush_preferences() {
 199                 backend.flush();
 200         }
 201
 202         public static void set_logdir(File new_logdir) {
 203                 synchronized (backend) {
 204                         logdir = new_logdir;
 205                         mapdir = new File(logdir, "maps");
 206                         if (!mapdir.exists())
 207                                 mapdir.mkdirs();
 208                         backend.putString(logdirPreference, logdir.getPath());
 209                         flush_preferences();
 210                 }
 211         }
 212
 213         public static File logdir() {
 214                 synchronized (backend) {
 215                         return logdir;
 216                 }
 217         }
 218
 219         public static File last_logdir() {
 220                 synchronized (backend) {
 221                         if (last_logdir == null)
 222                                 last_logdir = logdir;
 223                         return last_logdir;
 224                 }
 225         }
 226
 227         public static void set_last_logdir(File file) {
 228                 synchronized(backend) {
 229                         if (file != null && !file.isDirectory())
 230                                 file = file.getParentFile();
 231                         if (file == null)
 232                                 file = new File(".");
 233                         last_logdir = file;
 234                 }
 235         }
 236
 237         public static File mapdir() {
 238                 synchronized (backend) {
 239                         return mapdir;
 240                 }
 241         }
 242
 243         public static void set_frequency(int serial, double new_frequency) {
 244                 synchronized (backend) {
 245                         frequencies.put(serial, new_frequency);
 246                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 247                         flush_preferences();
 248                 }
 249         }
 250
 251         public static double frequency(int serial) {
 252                 synchronized (backend) {
 253                         if (frequencies.containsKey(serial))
 254                                 return frequencies.get(serial);
 255                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 256                         if (frequency == 0.0) {
 257                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 258                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 259                         }
 260                         frequencies.put(serial, frequency);
 261                         return frequency;
 262                 }
 263         }
 264
 265         public static void set_telemetry(int serial, int new_telemetry) {
 266                 synchronized (backend) {
 267                         telemetries.put(serial, new_telemetry);
 268                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 269                         flush_preferences();
 270                 }
 271         }
 272
 273         public static int telemetry(int serial) {
 274                 synchronized (backend) {
 275                         if (telemetries.containsKey(serial))
 276                                 return telemetries.get(serial);
 277                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 278                                                    AltosLib.ao_telemetry_standard);
 279                         telemetries.put(serial, telemetry);
 280                         return telemetry;
 281                 }
 282         }
 283
 284         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 285                 synchronized (backend) {
 286                         telemetry_rates.put(serial, new_telemetry_rate);
 287                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 288                         flush_preferences();
 289                 }
 290         }
 291
 292         public static int telemetry_rate(int serial) {
 293                 synchronized (backend) {
 294                         if (telemetry_rates.containsKey(serial))
 295                                 return telemetry_rates.get(serial);
 296                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 297                                                             AltosLib.ao_telemetry_rate_38400);
 298                         telemetry_rates.put(serial, telemetry_rate);
 299                         return telemetry_rate;
 300                 }
 301         }
 302
 303         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 304                 synchronized (backend) {
 305                         scanning_telemetry = new_scanning_telemetry;
 306                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 307                         flush_preferences();
 308                 }
 309         }
 310
 311         public static int scanning_telemetry() {
 312                 synchronized (backend) {
 313                         return scanning_telemetry;
 314                 }
 315         }
 316
 317         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 318                 synchronized (backend) {
 319                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 320                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 321                         flush_preferences();
 322                 }
 323         }
 324
 325         public static int scanning_telemetry_rate() {
 326                 synchronized(backend) {
 327                         return scanning_telemetry_rate;
 328                 }
 329         }
 330
 331         public static void set_voice(boolean new_voice) {
 332                 synchronized (backend) {
 333                         voice = new_voice;
 334                         backend.putBoolean(voicePreference, voice);
 335                         flush_preferences();
 336                 }
 337         }
 338
 339         public static boolean voice() {
 340                 synchronized (backend) {
 341                         return voice;
 342                 }
 343         }
 344
 345         public static void set_callsign(String new_callsign) {
 346                 synchronized(backend) {
 347                         callsign = new_callsign;
 348                         backend.putString(callsignPreference, callsign);
 349                         flush_preferences();
 350                 }
 351         }
 352
 353         public static String callsign() {
 354                 synchronized(backend) {
 355                         return callsign;
 356                 }
 357         }
 358
 359         public static void set_firmwaredir(File new_firmwaredir) {
 360                 synchronized (backend) {
 361                         firmwaredir = new_firmwaredir;
 362                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 363                         flush_preferences();
 364                 }
 365         }
 366
 367         public static File firmwaredir() {
 368                 synchronized (backend) {
 369                         return firmwaredir;
 370                 }
 371         }
 372
 373         public static void set_launcher_serial(int new_launcher_serial) {
 374                 synchronized (backend) {
 375                         launcher_serial = new_launcher_serial;
 376                         backend.putInt(launcherSerialPreference, launcher_serial);
 377                         flush_preferences();
 378                 }
 379         }
 380
 381         public static int launcher_serial() {
 382                 synchronized (backend) {
 383                         return launcher_serial;
 384                 }
 385         }
 386
 387         public static void set_launcher_channel(int new_launcher_channel) {
 388                 synchronized (backend) {
 389                         launcher_channel = new_launcher_channel;
 390                         backend.putInt(launcherChannelPreference, launcher_channel);
 391                         flush_preferences();
 392                 }
 393         }
 394
 395         public static int launcher_channel() {
 396                 synchronized (backend) {
 397                         return launcher_channel;
 398                 }
 399         }
 400
 401         public static AltosPreferencesBackend bt_devices() {
 402                 synchronized (backend) {
 403                         return backend.node("bt_devices");
 404                 }
 405         }
 406
 407         public static AltosFrequency[] common_frequencies() {
 408                 synchronized (backend) {
 409                         return common_frequencies;
 410                 }
 411         }
 412
 413         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 414                 synchronized(backend) {
 415                         common_frequencies = frequencies;
 416                         save_common_frequencies(frequencies);
 417                         flush_preferences();
 418                 }
 419         }
 420
 421         public static void add_common_frequency(AltosFrequency frequency) {
 422                 AltosFrequency[]        old_frequencies = common_frequencies();
 423                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 424                 int                     i;
 425
 426                 for (i = 0; i < old_frequencies.length; i++) {
 427                         if (frequency.frequency == old_frequencies[i].frequency)
 428                                 return;
 429                         if (frequency.frequency < old_frequencies[i].frequency)
 430                                 break;
 431                         new_frequencies[i] = old_frequencies[i];
 432                 }
 433                 new_frequencies[i] = frequency;
 434                 for (; i < old_frequencies.length; i++)
 435                         new_frequencies[i+1] = old_frequencies[i];
 436                 set_common_frequencies(new_frequencies);
 437         }
 438
 439         static LinkedList<AltosUnitsListener> units_listeners;
 440
 441         public static boolean imperial_units() {
 442                 synchronized(backend) {
 443                         return AltosConvert.imperial_units;
 444                 }
 445         }
 446
 447         public static void set_imperial_units(boolean imperial_units) {
 448                 synchronized (backend) {
 449                         AltosConvert.imperial_units = imperial_units;
 450                         backend.putBoolean(unitsPreference, imperial_units);
 451                         flush_preferences();
 452                 }
 453                 if (units_listeners != null) {
 454                         for (AltosUnitsListener l : units_listeners) {
 455                                 l.units_changed(imperial_units);
 456                         }
 457                 }
 458         }
 459
 460         public static void register_units_listener(AltosUnitsListener l) {
 461                 synchronized(backend) {
 462                         if (units_listeners == null)
 463                                 units_listeners = new LinkedList<AltosUnitsListener>();
 464                         units_listeners.add(l);
 465                 }
 466         }
 467
 468         public static void unregister_units_listener(AltosUnitsListener l) {
 469                 synchronized(backend) {
 470                         units_listeners.remove(l);
 471                 }
 472         }
 473 }