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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_11;
  19
  20 import java.io.*;
  21 import java.util.*;
  22 import java.text.*;
  23
  24 public class AltosPreferences {
  25         public static AltosPreferencesBackend backend = null;
  26
  27         /* logdir preference name */
  28         public final static String logdirPreference = "LOGDIR";
  29
  30         /* channel preference name */
  31         public final static String channelPreferenceFormat = "CHANNEL-%d";
  32
  33         /* frequency preference name */
  34         public final static String frequencyPreferenceFormat = "FREQUENCY-%d";
  35
  36         /* telemetry format preference name */
  37         public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
  38
  39         /* telemetry rate format preference name */
  40         public final static String telemetryRatePreferenceFormat = "RATE-%d";
  41
  42         /* log file format preference name */
  43         public final static String logfilePreferenceFormat = "LOGFILE-%d";
  44
  45         /* state preference name */
  46         public final static String statePreferenceHead = "STATE-";
  47         public final static String statePreferenceFormat = "STATE-%d";
  48         public final static String statePreferenceLatest = "STATE-LATEST";
  49
  50         /* voice preference name */
  51         public final static String voicePreference = "VOICE";
  52
  53         /* callsign preference name */
  54         public final static String callsignPreference = "CALLSIGN";
  55
  56         /* firmware directory preference name */
  57         public final static String firmwaredirPreference = "FIRMWARE";
  58
  59         /* serial debug preference name */
  60         public final static String serialDebugPreference = "SERIAL-DEBUG";
  61
  62         /* scanning telemetry preferences name */
  63         public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
  64
  65         /* scanning telemetry rate preferences name */
  66         public final static String scanningTelemetryRatePreference = "SCANNING-RATE";
  67
  68         /* Launcher serial preference name */
  69         public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
  70
  71         /* Launcher channel preference name */
  72         public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
  73
  74         /* Default logdir is ~/TeleMetrum */
  75         public final static String logdirName = "TeleMetrum";
  76
  77         /* Log directory */
  78         public static File logdir;
  79
  80         /* Last log directory - use this next time we open or save something */
  81         public static File last_logdir;
  82
  83         /* Map directory -- hangs of logdir */
  84         public static File mapdir;
  85
  86         /* Frequency (map serial to frequency) */
  87         public static Hashtable<Integer, Double> frequencies;
  88
  89         /* Telemetry (map serial to telemetry format) */
  90         public static Hashtable<Integer, Integer> telemetries;
  91
  92         /* Telemetry rate (map serial to telemetry format) */
  93         public static Hashtable<Integer, Integer> telemetry_rates;
  94
  95         /* Log file (map serial to logfile name) */
  96         public static Hashtable<Integer, File> logfiles;
  97
  98         /* Voice preference */
  99         public static boolean voice;
 100
 101         /* Callsign preference */
 102         public static String callsign;
 103
 104         /* Firmware directory */
 105         public static File firmwaredir;
 106
 107         /* Scanning telemetry */
 108         public static int scanning_telemetry;
 109
 110         public static int scanning_telemetry_rate;
 111
 112         /* List of frequencies */
 113         public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
 114         public static AltosFrequency[] common_frequencies;
 115
 116         public final static String      frequency_count = "COUNT";
 117         public final static String      frequency_format = "FREQUENCY-%d";
 118         public final static String      description_format = "DESCRIPTION-%d";
 119         public final static String      frequenciesPreference = "FREQUENCIES-1";
 120
 121         /* Units preference */
 122
 123         public final static String      unitsPreference = "IMPERIAL-UNITS";
 124
 125         /* Maps cache size preference name */
 126         final static String mapCachePreference = "MAP-CACHE";
 127
 128         static LinkedList<AltosMapCacheListener> map_cache_listeners;
 129
 130         public static int map_cache = 9;
 131
 132         final static String mapTypePreference = "MAP-TYPE";
 133         static int      map_type;
 134
 135         public static AltosFrequency[] load_common_frequencies() {
 136                 AltosFrequency[] frequencies = null;
 137
 138                 try {
 139                         AltosJson json = AltosJson.fromString(backend.getString(frequenciesPreference,
 140                                                                                 null));
 141                         frequencies = (AltosFrequency[]) json.make(frequencies.getClass());
 142                 } catch (Exception e) {
 143                 }
 144
 145                 if (frequencies == null) {
 146                         if (backend.nodeExists(common_frequencies_node_name)) {
 147                                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 148                                 int             count = node.getInt(frequency_count, 0);
 149
 150                                 if (count > 0) {
 151                                         frequencies = new AltosFrequency[count];
 152                                         for (int i = 0; i < count; i++) {
 153                                                 double  frequency;
 154                                                 String  description;
 155
 156                                                 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 157                                                 description = node.getString(String.format(description_format, i), null);
 158                                                 frequencies[i] = new AltosFrequency(frequency, description);
 159                                         }
 160                                 }
 161                         }
 162                 }
 163
 164                 if (frequencies == null) {
 165                         frequencies = new AltosFrequency[10];
 166                         for (int i = 0; i < 10; i++) {
 167                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 168                                                                            String.format("Channel %d", i));
 169                         }
 170                 }
 171                 return frequencies;
 172         }
 173
 174         public static void save_common_frequencies() {
 175                 AltosJson       json = new AltosJson(common_frequencies);
 176                 backend.putString(frequenciesPreference, json.toString());
 177                 flush_preferences();
 178         }
 179
 180         public static int launcher_serial;
 181
 182         public static int launcher_channel;
 183
 184         public static void init(AltosPreferencesBackend in_backend) {
 185
 186                 if (backend != null)
 187                         return;
 188
 189                 backend = in_backend;
 190
 191                 /* Initialize logdir from preferences */
 192                 String logdir_string = backend.getString(logdirPreference, null);
 193                 if (logdir_string != null)
 194                         logdir = new File(logdir_string);
 195                 else {
 196                         logdir = new File(backend.homeDirectory(), logdirName);
 197                         if (!logdir.exists())
 198                                 logdir.mkdirs();
 199                 }
 200                 mapdir = new File(logdir, "maps");
 201                 if (!mapdir.exists())
 202                         mapdir.mkdirs();
 203
 204                 frequencies = new Hashtable<Integer, Double>();
 205
 206                 telemetries = new Hashtable<Integer,Integer>();
 207
 208                 telemetry_rates = new Hashtable<Integer,Integer>();
 209
 210                 logfiles = new Hashtable<Integer,File>();
 211
 212                 voice = backend.getBoolean(voicePreference, true);
 213
 214                 callsign = backend.getString(callsignPreference,"N0CALL");
 215
 216                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 217
 218                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 219
 220                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 221
 222                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 223
 224                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 225                 if (firmwaredir_string != null)
 226                         firmwaredir = new File(firmwaredir_string);
 227                 else
 228                         firmwaredir = null;
 229
 230                 common_frequencies = load_common_frequencies();
 231
 232                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 233
 234                 map_cache = backend.getInt(mapCachePreference, 9);
 235                 map_cache_listeners = new LinkedList<AltosMapCacheListener>();
 236                 map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
 237         }
 238
 239         public static void flush_preferences() {
 240                 backend.flush();
 241         }
 242
 243         public static void set_logdir(File new_logdir) {
 244                 synchronized (backend) {
 245                         logdir = new_logdir;
 246                         mapdir = new File(logdir, "maps");
 247                         if (!mapdir.exists())
 248                                 mapdir.mkdirs();
 249                         backend.putString(logdirPreference, logdir.getPath());
 250                         flush_preferences();
 251                 }
 252         }
 253
 254         public static File logdir() {
 255                 synchronized (backend) {
 256                         return logdir;
 257                 }
 258         }
 259
 260         public static File last_logdir() {
 261                 synchronized (backend) {
 262                         if (last_logdir == null)
 263                                 last_logdir = logdir;
 264                         return last_logdir;
 265                 }
 266         }
 267
 268         public static void set_last_logdir(File file) {
 269                 synchronized(backend) {
 270                         if (file != null && !file.isDirectory())
 271                                 file = file.getParentFile();
 272                         if (file == null)
 273                                 file = new File(".");
 274                         last_logdir = file;
 275                 }
 276         }
 277
 278         public static File mapdir() {
 279                 synchronized (backend) {
 280                         return mapdir;
 281                 }
 282         }
 283
 284         public static void set_frequency(int serial, double new_frequency) {
 285                 synchronized (backend) {
 286                         frequencies.put(serial, new_frequency);
 287                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 288                         flush_preferences();
 289                 }
 290         }
 291
 292         public static double frequency(int serial) {
 293                 synchronized (backend) {
 294                         if (frequencies.containsKey(serial))
 295                                 return frequencies.get(serial);
 296                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 297                         if (frequency == 0.0) {
 298                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 299                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 300                         }
 301                         frequencies.put(serial, frequency);
 302                         return frequency;
 303                 }
 304         }
 305
 306         public static void set_telemetry(int serial, int new_telemetry) {
 307                 synchronized (backend) {
 308                         telemetries.put(serial, new_telemetry);
 309                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 310                         flush_preferences();
 311                 }
 312         }
 313
 314         public static int telemetry(int serial) {
 315                 synchronized (backend) {
 316                         if (telemetries.containsKey(serial))
 317                                 return telemetries.get(serial);
 318                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 319                                                    AltosLib.ao_telemetry_standard);
 320                         telemetries.put(serial, telemetry);
 321                         return telemetry;
 322                 }
 323         }
 324
 325         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 326                 synchronized (backend) {
 327                         telemetry_rates.put(serial, new_telemetry_rate);
 328                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 329                         flush_preferences();
 330                 }
 331         }
 332
 333         public static int telemetry_rate(int serial) {
 334                 synchronized (backend) {
 335                         if (telemetry_rates.containsKey(serial))
 336                                 return telemetry_rates.get(serial);
 337                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 338                                                             AltosLib.ao_telemetry_rate_38400);
 339                         telemetry_rates.put(serial, telemetry_rate);
 340                         return telemetry_rate;
 341                 }
 342         }
 343
 344         public static void set_logfile(int serial, File new_logfile) {
 345                 synchronized(backend) {
 346                         logfiles.put(serial, new_logfile);
 347                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 348                         flush_preferences();
 349                 }
 350         }
 351
 352         public static File logfile(int serial) {
 353                 synchronized(backend) {
 354                         if (logfiles.containsKey(serial))
 355                                 return logfiles.get(serial);
 356                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 357                         if (logfile_string == null)
 358                                 return null;
 359                         File logfile = new File(logfile_string);
 360                         logfiles.put(serial, logfile);
 361                         return logfile;
 362                 }
 363         }
 364
 365         public static void set_state(AltosState state) {
 366
 367                 synchronized(backend) {
 368                         backend.putJson(String.format(statePreferenceFormat, state.serial), state.json());
 369                         backend.putInt(statePreferenceLatest, state.serial);
 370                         flush_preferences();
 371                 }
 372         }
 373
 374         public static ArrayList<Integer> list_states() {
 375                 String[]                keys = backend.keys();
 376                 ArrayList<Integer>      states = new ArrayList<Integer>();
 377
 378                 for (String key : keys) {
 379                         if (key.startsWith(statePreferenceHead)) {
 380                                 try {
 381                                         int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
 382                                         states.add(serial);
 383                                 } catch (ParseException pe) {
 384                                 }
 385                         }
 386                 }
 387                 return states;
 388         }
 389
 390         public static void remove_state(int serial) {
 391                 synchronized(backend) {
 392                         backend.remove(String.format(statePreferenceFormat, serial));
 393                         flush_preferences();
 394                 }
 395         }
 396
 397         public static int latest_state() {
 398                 int     latest = 0;
 399                 synchronized (backend) {
 400                         latest = backend.getInt(statePreferenceLatest, 0);
 401                 }
 402                 return latest;
 403         }
 404
 405         public static AltosState state(int serial) {
 406                 synchronized(backend) {
 407                         try {
 408                                 return AltosState.fromJson(backend.getJson(String.format(statePreferenceFormat, serial)));
 409                         } catch (Exception e) {
 410                                 return null;
 411                         }
 412                 }
 413         }
 414
 415         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 416                 synchronized (backend) {
 417                         scanning_telemetry = new_scanning_telemetry;
 418                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 419                         flush_preferences();
 420                 }
 421         }
 422
 423         public static int scanning_telemetry() {
 424                 synchronized (backend) {
 425                         return scanning_telemetry;
 426                 }
 427         }
 428
 429         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 430                 synchronized (backend) {
 431                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 432                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 433                         flush_preferences();
 434                 }
 435         }
 436
 437         public static int scanning_telemetry_rate() {
 438                 synchronized(backend) {
 439                         return scanning_telemetry_rate;
 440                 }
 441         }
 442
 443         public static void set_voice(boolean new_voice) {
 444                 synchronized (backend) {
 445                         voice = new_voice;
 446                         backend.putBoolean(voicePreference, voice);
 447                         flush_preferences();
 448                 }
 449         }
 450
 451         public static boolean voice() {
 452                 synchronized (backend) {
 453                         return voice;
 454                 }
 455         }
 456
 457         public static void set_callsign(String new_callsign) {
 458                 synchronized(backend) {
 459                         callsign = new_callsign;
 460                         backend.putString(callsignPreference, callsign);
 461                         flush_preferences();
 462                 }
 463         }
 464
 465         public static String callsign() {
 466                 synchronized(backend) {
 467                         return callsign;
 468                 }
 469         }
 470
 471         public static void set_firmwaredir(File new_firmwaredir) {
 472                 synchronized (backend) {
 473                         firmwaredir = new_firmwaredir;
 474                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 475                         flush_preferences();
 476                 }
 477         }
 478
 479         public static File firmwaredir() {
 480                 synchronized (backend) {
 481                         return firmwaredir;
 482                 }
 483         }
 484
 485         public static void set_launcher_serial(int new_launcher_serial) {
 486                 synchronized (backend) {
 487                         launcher_serial = new_launcher_serial;
 488                         backend.putInt(launcherSerialPreference, launcher_serial);
 489                         flush_preferences();
 490                 }
 491         }
 492
 493         public static int launcher_serial() {
 494                 synchronized (backend) {
 495                         return launcher_serial;
 496                 }
 497         }
 498
 499         public static void set_launcher_channel(int new_launcher_channel) {
 500                 synchronized (backend) {
 501                         launcher_channel = new_launcher_channel;
 502                         backend.putInt(launcherChannelPreference, launcher_channel);
 503                         flush_preferences();
 504                 }
 505         }
 506
 507         public static int launcher_channel() {
 508                 synchronized (backend) {
 509                         return launcher_channel;
 510                 }
 511         }
 512
 513         public static AltosPreferencesBackend bt_devices() {
 514                 synchronized (backend) {
 515                         return backend.node("bt_devices");
 516                 }
 517         }
 518
 519         public static AltosFrequency[] common_frequencies() {
 520                 synchronized (backend) {
 521                         return common_frequencies;
 522                 }
 523         }
 524
 525         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 526                 synchronized(backend) {
 527                         common_frequencies = frequencies;
 528
 529                         save_common_frequencies();
 530                 }
 531         }
 532
 533         public static void add_common_frequency(AltosFrequency frequency) {
 534                 AltosFrequency[]        old_frequencies = common_frequencies();
 535                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 536                 int                     i;
 537
 538                 for (i = 0; i < old_frequencies.length; i++) {
 539                         if (frequency.frequency == old_frequencies[i].frequency)
 540                                 return;
 541                         if (frequency.frequency < old_frequencies[i].frequency)
 542                                 break;
 543                         new_frequencies[i] = old_frequencies[i];
 544                 }
 545                 new_frequencies[i] = frequency;
 546                 for (; i < old_frequencies.length; i++)
 547                         new_frequencies[i+1] = old_frequencies[i];
 548                 set_common_frequencies(new_frequencies);
 549         }
 550
 551         static LinkedList<AltosUnitsListener> units_listeners;
 552
 553         public static boolean imperial_units() {
 554                 synchronized(backend) {
 555                         return AltosConvert.imperial_units;
 556                 }
 557         }
 558
 559         public static void set_imperial_units(boolean imperial_units) {
 560                 synchronized (backend) {
 561                         AltosConvert.imperial_units = imperial_units;
 562                         backend.putBoolean(unitsPreference, imperial_units);
 563                         flush_preferences();
 564                 }
 565                 if (units_listeners != null) {
 566                         for (AltosUnitsListener l : units_listeners) {
 567                                 l.units_changed(imperial_units);
 568                         }
 569                 }
 570         }
 571
 572         public static void register_units_listener(AltosUnitsListener l) {
 573                 synchronized(backend) {
 574                         if (units_listeners == null)
 575                                 units_listeners = new LinkedList<AltosUnitsListener>();
 576                         units_listeners.add(l);
 577                 }
 578         }
 579
 580         public static void unregister_units_listener(AltosUnitsListener l) {
 581                 synchronized(backend) {
 582                         units_listeners.remove(l);
 583                 }
 584         }
 585
 586
 587         public static void register_map_cache_listener(AltosMapCacheListener l) {
 588                 synchronized(backend) {
 589                         map_cache_listeners.add(l);
 590                 }
 591         }
 592
 593         public static void unregister_map_cache_listener(AltosMapCacheListener l) {
 594                 synchronized (backend) {
 595                         map_cache_listeners.remove(l);
 596                 }
 597         }
 598
 599         public static void set_map_cache(int new_map_cache) {
 600                 synchronized(backend) {
 601                         map_cache = new_map_cache;
 602                         backend.putInt(mapCachePreference, map_cache);
 603                         flush_preferences();
 604                         for (AltosMapCacheListener l: map_cache_listeners)
 605                                 l.map_cache_changed(map_cache);
 606                 }
 607         }
 608
 609         public static int map_cache() {
 610                 synchronized(backend) {
 611                         return map_cache;
 612                 }
 613         }
 614
 615         static LinkedList<AltosMapTypeListener> map_type_listeners;
 616
 617         public static void set_map_type(int map_type) {
 618                 synchronized(backend) {
 619                         AltosPreferences.map_type = map_type;
 620                         backend.putInt(mapTypePreference, map_type);
 621                         flush_preferences();
 622                 }
 623                 if (map_type_listeners != null) {
 624                         for (AltosMapTypeListener l : map_type_listeners) {
 625                                 l.map_type_changed(map_type);
 626                         }
 627                 }
 628         }
 629
 630         public static int map_type() {
 631                 synchronized(backend) {
 632                         return map_type;
 633                 }
 634         }
 635
 636         public static void register_map_type_listener(AltosMapTypeListener l) {
 637                 synchronized(backend) {
 638                         if (map_type_listeners == null)
 639                                 map_type_listeners = new LinkedList<AltosMapTypeListener>();
 640                         map_type_listeners.add(l);
 641                 }
 642         }
 643
 644         public static void unregister_map_type_listener(AltosMapTypeListener l) {
 645                 synchronized(backend) {
 646                         map_type_listeners.remove(l);
 647                 }
 648         }
 649 }