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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
 137                 AltosFrequency[] frequencies = null;
 138
 139                 try {
 140                         AltosHashSet[]  sets = AltosHashSet.array(backend.getString(frequenciesPreference,null));
 141                         if (sets != null) {
 142                                 frequencies = new AltosFrequency[sets.length];
 143                                 for (int i = 0; i < frequencies.length; i++)
 144                                         frequencies[i] = new AltosFrequency(sets[i]);
 145                         }
 146
 147                 } catch (IOException ie) {
 148                         frequencies = null;
 149                 }
 150
 151                 if (frequencies == null) {
 152                         if (backend.nodeExists(common_frequencies_node_name)) {
 153                                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 154                                 int             count = node.getInt(frequency_count, 0);
 155
 156                                 frequencies = new AltosFrequency[count];
 157                                 for (int i = 0; i < count; i++) {
 158                                         double  frequency;
 159                                         String  description;
 160
 161                                         frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 162                                         description = node.getString(String.format(description_format, i), null);
 163                                         frequencies[i] = new AltosFrequency(frequency, description);
 164                                 }
 165                         }
 166                 }
 167
 168                 if (frequencies == null) {
 169                         frequencies = new AltosFrequency[10];
 170                         for (int i = 0; i < 10; i++) {
 171                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 172                                                                            String.format("Channel %d", i));
 173                         }
 174                 }
 175                 return frequencies;
 176         }
 177
 178         public static void save_common_frequencies() {
 179                 try {
 180                         AltosHashSet[]  sets = new AltosHashSet[common_frequencies.length];
 181                         for (int i = 0; i < sets.length; i++)
 182                                 sets[i] = common_frequencies[i].hashSet();
 183                         backend.putString(frequenciesPreference, AltosHashSet.toString(sets));
 184                 } catch (IOException ie) {
 185                 }
 186                 flush_preferences();
 187         }
 188
 189         public static int launcher_serial;
 190
 191         public static int launcher_channel;
 192
 193         public static void init(AltosPreferencesBackend in_backend) {
 194
 195                 if (backend != null)
 196                         return;
 197
 198                 backend = in_backend;
 199
 200                 /* Initialize logdir from preferences */
 201                 String logdir_string = backend.getString(logdirPreference, null);
 202                 if (logdir_string != null)
 203                         logdir = new File(logdir_string);
 204                 else {
 205                         logdir = new File(backend.homeDirectory(), logdirName);
 206                         if (!logdir.exists())
 207                                 logdir.mkdirs();
 208                 }
 209                 mapdir = new File(logdir, "maps");
 210                 if (!mapdir.exists())
 211                         mapdir.mkdirs();
 212
 213                 frequencies = new Hashtable<Integer, Double>();
 214
 215                 telemetries = new Hashtable<Integer,Integer>();
 216
 217                 telemetry_rates = new Hashtable<Integer,Integer>();
 218
 219                 logfiles = new Hashtable<Integer,File>();
 220
 221                 voice = backend.getBoolean(voicePreference, true);
 222
 223                 callsign = backend.getString(callsignPreference,"N0CALL");
 224
 225                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 226
 227                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 228
 229                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 230
 231                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 232
 233                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 234                 if (firmwaredir_string != null)
 235                         firmwaredir = new File(firmwaredir_string);
 236                 else
 237                         firmwaredir = null;
 238
 239                 common_frequencies = load_common_frequencies();
 240
 241                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 242
 243                 map_cache = backend.getInt(mapCachePreference, 9);
 244                 map_cache_listeners = new LinkedList<AltosMapCacheListener>();
 245                 map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
 246         }
 247
 248         public static void flush_preferences() {
 249                 backend.flush();
 250         }
 251
 252         public static void set_logdir(File new_logdir) {
 253                 synchronized (backend) {
 254                         logdir = new_logdir;
 255                         mapdir = new File(logdir, "maps");
 256                         if (!mapdir.exists())
 257                                 mapdir.mkdirs();
 258                         backend.putString(logdirPreference, logdir.getPath());
 259                         flush_preferences();
 260                 }
 261         }
 262
 263         public static File logdir() {
 264                 synchronized (backend) {
 265                         return logdir;
 266                 }
 267         }
 268
 269         public static File last_logdir() {
 270                 synchronized (backend) {
 271                         if (last_logdir == null)
 272                                 last_logdir = logdir;
 273                         return last_logdir;
 274                 }
 275         }
 276
 277         public static void set_last_logdir(File file) {
 278                 synchronized(backend) {
 279                         if (file != null && !file.isDirectory())
 280                                 file = file.getParentFile();
 281                         if (file == null)
 282                                 file = new File(".");
 283                         last_logdir = file;
 284                 }
 285         }
 286
 287         public static File mapdir() {
 288                 synchronized (backend) {
 289                         return mapdir;
 290                 }
 291         }
 292
 293         public static void set_frequency(int serial, double new_frequency) {
 294                 synchronized (backend) {
 295                         frequencies.put(serial, new_frequency);
 296                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 297                         flush_preferences();
 298                 }
 299         }
 300
 301         public static double frequency(int serial) {
 302                 synchronized (backend) {
 303                         if (frequencies.containsKey(serial))
 304                                 return frequencies.get(serial);
 305                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 306                         if (frequency == 0.0) {
 307                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 308                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 309                         }
 310                         frequencies.put(serial, frequency);
 311                         return frequency;
 312                 }
 313         }
 314
 315         public static void set_telemetry(int serial, int new_telemetry) {
 316                 synchronized (backend) {
 317                         telemetries.put(serial, new_telemetry);
 318                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 319                         flush_preferences();
 320                 }
 321         }
 322
 323         public static int telemetry(int serial) {
 324                 synchronized (backend) {
 325                         if (telemetries.containsKey(serial))
 326                                 return telemetries.get(serial);
 327                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 328                                                    AltosLib.ao_telemetry_standard);
 329                         telemetries.put(serial, telemetry);
 330                         return telemetry;
 331                 }
 332         }
 333
 334         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 335                 synchronized (backend) {
 336                         telemetry_rates.put(serial, new_telemetry_rate);
 337                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 338                         flush_preferences();
 339                 }
 340         }
 341
 342         public static int telemetry_rate(int serial) {
 343                 synchronized (backend) {
 344                         if (telemetry_rates.containsKey(serial))
 345                                 return telemetry_rates.get(serial);
 346                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 347                                                             AltosLib.ao_telemetry_rate_38400);
 348                         telemetry_rates.put(serial, telemetry_rate);
 349                         return telemetry_rate;
 350                 }
 351         }
 352
 353         public static void set_logfile(int serial, File new_logfile) {
 354                 synchronized(backend) {
 355                         logfiles.put(serial, new_logfile);
 356                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 357                         flush_preferences();
 358                 }
 359         }
 360
 361         public static File logfile(int serial) {
 362                 synchronized(backend) {
 363                         if (logfiles.containsKey(serial))
 364                                 return logfiles.get(serial);
 365                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 366                         if (logfile_string == null)
 367                                 return null;
 368                         File logfile = new File(logfile_string);
 369                         logfiles.put(serial, logfile);
 370                         return logfile;
 371                 }
 372         }
 373
 374         public static void set_state(AltosState state) {
 375
 376                 synchronized(backend) {
 377                         backend.putSerializable(String.format(statePreferenceFormat, state.serial), state);
 378                         backend.putInt(statePreferenceLatest, state.serial);
 379                         flush_preferences();
 380                 }
 381         }
 382
 383         public static ArrayList<Integer> list_states() {
 384                 String[]                keys = backend.keys();
 385                 ArrayList<Integer>      states = new ArrayList<Integer>();
 386
 387                 for (String key : keys) {
 388                         if (key.startsWith(statePreferenceHead)) {
 389                                 try {
 390                                         int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
 391                                         states.add(serial);
 392                                 } catch (ParseException pe) {
 393                                 }
 394                         }
 395                 }
 396                 return states;
 397         }
 398
 399         public static void remove_state(int serial) {
 400                 synchronized(backend) {
 401                         backend.remove(String.format(statePreferenceFormat, serial));
 402                 }
 403         }
 404
 405         public static int latest_state() {
 406                 int     latest = 0;
 407                 synchronized (backend) {
 408                         latest = backend.getInt(statePreferenceLatest, 0);
 409                 }
 410                 return latest;
 411         }
 412
 413         public static AltosState state(int serial) {
 414                 synchronized(backend) {
 415                         try {
 416                                 return (AltosState) backend.getSerializable(String.format(statePreferenceFormat, serial), null);
 417                         } catch (Exception e) {
 418                                 return null;
 419                         }
 420                 }
 421         }
 422
 423         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 424                 synchronized (backend) {
 425                         scanning_telemetry = new_scanning_telemetry;
 426                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 427                         flush_preferences();
 428                 }
 429         }
 430
 431         public static int scanning_telemetry() {
 432                 synchronized (backend) {
 433                         return scanning_telemetry;
 434                 }
 435         }
 436
 437         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 438                 synchronized (backend) {
 439                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 440                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 441                         flush_preferences();
 442                 }
 443         }
 444
 445         public static int scanning_telemetry_rate() {
 446                 synchronized(backend) {
 447                         return scanning_telemetry_rate;
 448                 }
 449         }
 450
 451         public static void set_voice(boolean new_voice) {
 452                 synchronized (backend) {
 453                         voice = new_voice;
 454                         backend.putBoolean(voicePreference, voice);
 455                         flush_preferences();
 456                 }
 457         }
 458
 459         public static boolean voice() {
 460                 synchronized (backend) {
 461                         return voice;
 462                 }
 463         }
 464
 465         public static void set_callsign(String new_callsign) {
 466                 synchronized(backend) {
 467                         callsign = new_callsign;
 468                         backend.putString(callsignPreference, callsign);
 469                         flush_preferences();
 470                 }
 471         }
 472
 473         public static String callsign() {
 474                 synchronized(backend) {
 475                         return callsign;
 476                 }
 477         }
 478
 479         public static void set_firmwaredir(File new_firmwaredir) {
 480                 synchronized (backend) {
 481                         firmwaredir = new_firmwaredir;
 482                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 483                         flush_preferences();
 484                 }
 485         }
 486
 487         public static File firmwaredir() {
 488                 synchronized (backend) {
 489                         return firmwaredir;
 490                 }
 491         }
 492
 493         public static void set_launcher_serial(int new_launcher_serial) {
 494                 synchronized (backend) {
 495                         launcher_serial = new_launcher_serial;
 496                         backend.putInt(launcherSerialPreference, launcher_serial);
 497                         flush_preferences();
 498                 }
 499         }
 500
 501         public static int launcher_serial() {
 502                 synchronized (backend) {
 503                         return launcher_serial;
 504                 }
 505         }
 506
 507         public static void set_launcher_channel(int new_launcher_channel) {
 508                 synchronized (backend) {
 509                         launcher_channel = new_launcher_channel;
 510                         backend.putInt(launcherChannelPreference, launcher_channel);
 511                         flush_preferences();
 512                 }
 513         }
 514
 515         public static int launcher_channel() {
 516                 synchronized (backend) {
 517                         return launcher_channel;
 518                 }
 519         }
 520
 521         public static AltosPreferencesBackend bt_devices() {
 522                 synchronized (backend) {
 523                         return backend.node("bt_devices");
 524                 }
 525         }
 526
 527         public static AltosFrequency[] common_frequencies() {
 528                 synchronized (backend) {
 529                         return common_frequencies;
 530                 }
 531         }
 532
 533         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 534                 synchronized(backend) {
 535                         common_frequencies = frequencies;
 536
 537                         save_common_frequencies();
 538                 }
 539         }
 540
 541         public static void add_common_frequency(AltosFrequency frequency) {
 542                 AltosFrequency[]        old_frequencies = common_frequencies();
 543                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 544                 int                     i;
 545
 546                 for (i = 0; i < old_frequencies.length; i++) {
 547                         if (frequency.frequency == old_frequencies[i].frequency)
 548                                 return;
 549                         if (frequency.frequency < old_frequencies[i].frequency)
 550                                 break;
 551                         new_frequencies[i] = old_frequencies[i];
 552                 }
 553                 new_frequencies[i] = frequency;
 554                 for (; i < old_frequencies.length; i++)
 555                         new_frequencies[i+1] = old_frequencies[i];
 556                 set_common_frequencies(new_frequencies);
 557         }
 558
 559         static LinkedList<AltosUnitsListener> units_listeners;
 560
 561         public static boolean imperial_units() {
 562                 synchronized(backend) {
 563                         return AltosConvert.imperial_units;
 564                 }
 565         }
 566
 567         public static void set_imperial_units(boolean imperial_units) {
 568                 synchronized (backend) {
 569                         AltosConvert.imperial_units = imperial_units;
 570                         backend.putBoolean(unitsPreference, imperial_units);
 571                         flush_preferences();
 572                 }
 573                 if (units_listeners != null) {
 574                         for (AltosUnitsListener l : units_listeners) {
 575                                 l.units_changed(imperial_units);
 576                         }
 577                 }
 578         }
 579
 580         public static void register_units_listener(AltosUnitsListener l) {
 581                 synchronized(backend) {
 582                         if (units_listeners == null)
 583                                 units_listeners = new LinkedList<AltosUnitsListener>();
 584                         units_listeners.add(l);
 585                 }
 586         }
 587
 588         public static void unregister_units_listener(AltosUnitsListener l) {
 589                 synchronized(backend) {
 590                         units_listeners.remove(l);
 591                 }
 592         }
 593
 594
 595         public static void register_map_cache_listener(AltosMapCacheListener l) {
 596                 synchronized(backend) {
 597                         map_cache_listeners.add(l);
 598                 }
 599         }
 600
 601         public static void unregister_map_cache_listener(AltosMapCacheListener l) {
 602                 synchronized (backend) {
 603                         map_cache_listeners.remove(l);
 604                 }
 605         }
 606
 607         public static void set_map_cache(int new_map_cache) {
 608                 synchronized(backend) {
 609                         map_cache = new_map_cache;
 610                         backend.putInt(mapCachePreference, map_cache);
 611                         flush_preferences();
 612                         for (AltosMapCacheListener l: map_cache_listeners)
 613                                 l.map_cache_changed(map_cache);
 614                 }
 615         }
 616
 617         public static int map_cache() {
 618                 synchronized(backend) {
 619                         return map_cache;
 620                 }
 621         }
 622
 623         static LinkedList<AltosMapTypeListener> map_type_listeners;
 624
 625         public static void set_map_type(int map_type) {
 626                 synchronized(backend) {
 627                         AltosPreferences.map_type = map_type;
 628                         backend.putInt(mapTypePreference, map_type);
 629                         flush_preferences();
 630                 }
 631                 if (map_type_listeners != null) {
 632                         for (AltosMapTypeListener l : map_type_listeners) {
 633                                 l.map_type_changed(map_type);
 634                         }
 635                 }
 636         }
 637
 638         public static int map_type() {
 639                 synchronized(backend) {
 640                         return map_type;
 641                 }
 642         }
 643
 644         public static void register_map_type_listener(AltosMapTypeListener l) {
 645                 synchronized(backend) {
 646                         if (map_type_listeners == null)
 647                                 map_type_listeners = new LinkedList<AltosMapTypeListener>();
 648                         map_type_listeners.add(l);
 649                 }
 650         }
 651
 652         public static void unregister_map_type_listener(AltosMapTypeListener l) {
 653                 synchronized(backend) {
 654                         map_type_listeners.remove(l);
 655                 }
 656         }
 657 }