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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; 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
  19 package org.altusmetrum.altoslib_11;
  20
  21 import java.io.*;
  22 import java.util.*;
  23 import java.text.*;
  24
  25 public class AltosPreferences {
  26         public static AltosPreferencesBackend backend = null;
  27
  28         /* logdir preference name */
  29         public final static String logdirPreference = "LOGDIR";
  30
  31         /* channel preference name */
  32         public final static String channelPreferenceFormat = "CHANNEL-%d";
  33
  34         /* frequency preference name */
  35         public final static String frequencyPreferenceFormat = "FREQUENCY-%d";
  36
  37         /* telemetry format preference name */
  38         public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
  39
  40         /* telemetry rate format preference name */
  41         public final static String telemetryRatePreferenceFormat = "RATE-%d";
  42
  43         /* log file format preference name */
  44         public final static String logfilePreferenceFormat = "LOGFILE-%d";
  45
  46         /* state preference name */
  47         public final static String statePreferenceHead = "STATE-";
  48         public final static String statePreferenceFormat = "STATE-%d";
  49         public final static String statePreferenceLatest = "STATE-LATEST";
  50
  51         /* voice preference name */
  52         public final static String voicePreference = "VOICE";
  53
  54         /* callsign preference name */
  55         public final static String callsignPreference = "CALLSIGN";
  56
  57         /* firmware directory preference name */
  58         public final static String firmwaredirPreference = "FIRMWARE";
  59
  60         /* serial debug preference name */
  61         public final static String serialDebugPreference = "SERIAL-DEBUG";
  62
  63         /* scanning telemetry preferences name */
  64         public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
  65
  66         /* scanning telemetry rate preferences name */
  67         public final static String scanningTelemetryRatePreference = "SCANNING-RATE";
  68
  69         /* Launcher serial preference name */
  70         public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
  71
  72         /* Launcher channel preference name */
  73         public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
  74
  75         /* Default logdir is ~/TeleMetrum */
  76         public final static String logdirName = "TeleMetrum";
  77
  78         /* Log directory */
  79         public static File logdir;
  80
  81         /* Last log directory - use this next time we open or save something */
  82         public static File last_logdir;
  83
  84         /* Map directory -- hangs of logdir */
  85         public static File mapdir;
  86
  87         /* Frequency (map serial to frequency) */
  88         public static Hashtable<Integer, Double> frequencies;
  89
  90         /* Telemetry (map serial to telemetry format) */
  91         public static Hashtable<Integer, Integer> telemetries;
  92
  93         /* Telemetry rate (map serial to telemetry format) */
  94         public static Hashtable<Integer, Integer> telemetry_rates;
  95
  96         /* Log file (map serial to logfile name) */
  97         public static Hashtable<Integer, File> logfiles;
  98
  99         /* Voice preference */
 100         public static boolean voice;
 101
 102         /* Callsign preference */
 103         public static String callsign;
 104
 105         /* Firmware directory */
 106         public static File firmwaredir;
 107
 108         /* Scanning telemetry */
 109         public static int scanning_telemetry;
 110
 111         public static int scanning_telemetry_rate;
 112
 113         /* List of frequencies */
 114         public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
 115         public static AltosFrequency[] common_frequencies;
 116
 117         public final static String      frequency_count = "COUNT";
 118         public final static String      frequency_format = "FREQUENCY-%d";
 119         public final static String      description_format = "DESCRIPTION-%d";
 120         public final static String      frequenciesPreference = "FREQUENCIES-1";
 121
 122         /* Units preference */
 123
 124         public final static String      unitsPreference = "IMPERIAL-UNITS";
 125
 126         /* Maps cache size preference name */
 127         final static String mapCachePreference = "MAP-CACHE";
 128
 129         static LinkedList<AltosMapCacheListener> map_cache_listeners;
 130
 131         public static int map_cache = 9;
 132
 133         final static String mapTypePreference = "MAP-TYPE";
 134         static int      map_type;
 135
 136         public static AltosFrequency[] load_common_frequencies() {
 137                 AltosFrequency[] frequencies = null;
 138
 139                 try {
 140                         AltosJson json = AltosJson.fromString(backend.getString(frequenciesPreference,
 141                                                                                 null));
 142                         frequencies = (AltosFrequency[]) json.make(frequencies.getClass());
 143                 } catch (Exception e) {
 144                 }
 145
 146                 if (frequencies == null) {
 147                         if (backend.nodeExists(common_frequencies_node_name)) {
 148                                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 149                                 int             count = node.getInt(frequency_count, 0);
 150
 151                                 if (count > 0) {
 152                                         frequencies = new AltosFrequency[count];
 153                                         for (int i = 0; i < count; i++) {
 154                                                 double  frequency;
 155                                                 String  description;
 156
 157                                                 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 158                                                 description = node.getString(String.format(description_format, i), null);
 159                                                 frequencies[i] = new AltosFrequency(frequency, description);
 160                                         }
 161                                 }
 162                         }
 163                 }
 164
 165                 if (frequencies == null) {
 166                         frequencies = new AltosFrequency[10];
 167                         for (int i = 0; i < 10; i++) {
 168                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 169                                                                            String.format("Channel %d", i));
 170                         }
 171                 }
 172                 return frequencies;
 173         }
 174
 175         public static void save_common_frequencies() {
 176                 AltosJson       json = new AltosJson(common_frequencies);
 177                 backend.putString(frequenciesPreference, json.toString());
 178                 flush_preferences();
 179         }
 180
 181         public static int launcher_serial;
 182
 183         public static int launcher_channel;
 184
 185         public static void init(AltosPreferencesBackend in_backend) {
 186
 187                 if (backend != null)
 188                         return;
 189
 190                 backend = in_backend;
 191
 192                 /* Initialize logdir from preferences */
 193                 String logdir_string = backend.getString(logdirPreference, null);
 194                 if (logdir_string != null)
 195                         logdir = new File(logdir_string);
 196                 else {
 197                         logdir = new File(backend.homeDirectory(), logdirName);
 198                         if (!logdir.exists())
 199                                 logdir.mkdirs();
 200                 }
 201                 mapdir = new File(logdir, "maps");
 202                 if (!mapdir.exists())
 203                         mapdir.mkdirs();
 204
 205                 frequencies = new Hashtable<Integer, Double>();
 206
 207                 telemetries = new Hashtable<Integer,Integer>();
 208
 209                 telemetry_rates = new Hashtable<Integer,Integer>();
 210
 211                 logfiles = new Hashtable<Integer,File>();
 212
 213                 voice = backend.getBoolean(voicePreference, true);
 214
 215                 callsign = backend.getString(callsignPreference,"N0CALL");
 216
 217                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 218
 219                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 220
 221                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 222
 223                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 224
 225                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 226                 if (firmwaredir_string != null)
 227                         firmwaredir = new File(firmwaredir_string);
 228                 else
 229                         firmwaredir = null;
 230
 231                 common_frequencies = load_common_frequencies();
 232
 233                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 234
 235                 map_cache = backend.getInt(mapCachePreference, 9);
 236                 map_cache_listeners = new LinkedList<AltosMapCacheListener>();
 237                 map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
 238         }
 239
 240         public static void flush_preferences() {
 241                 backend.flush();
 242         }
 243
 244         public static void set_logdir(File new_logdir) {
 245                 synchronized (backend) {
 246                         logdir = new_logdir;
 247                         mapdir = new File(logdir, "maps");
 248                         if (!mapdir.exists())
 249                                 mapdir.mkdirs();
 250                         backend.putString(logdirPreference, logdir.getPath());
 251                         flush_preferences();
 252                 }
 253         }
 254
 255         public static File logdir() {
 256                 synchronized (backend) {
 257                         return logdir;
 258                 }
 259         }
 260
 261         public static File last_logdir() {
 262                 synchronized (backend) {
 263                         if (last_logdir == null)
 264                                 last_logdir = logdir;
 265                         return last_logdir;
 266                 }
 267         }
 268
 269         public static void set_last_logdir(File file) {
 270                 synchronized(backend) {
 271                         if (file != null && !file.isDirectory())
 272                                 file = file.getParentFile();
 273                         if (file == null)
 274                                 file = new File(".");
 275                         last_logdir = file;
 276                 }
 277         }
 278
 279         public static File mapdir() {
 280                 synchronized (backend) {
 281                         return mapdir;
 282                 }
 283         }
 284
 285         public static void set_frequency(int serial, double new_frequency) {
 286                 synchronized (backend) {
 287                         frequencies.put(serial, new_frequency);
 288                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 289                         flush_preferences();
 290                 }
 291         }
 292
 293         public static double frequency(int serial) {
 294                 synchronized (backend) {
 295                         if (frequencies.containsKey(serial))
 296                                 return frequencies.get(serial);
 297                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 298                         if (frequency == 0.0) {
 299                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 300                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 301                         }
 302                         frequencies.put(serial, frequency);
 303                         return frequency;
 304                 }
 305         }
 306
 307         public static void set_telemetry(int serial, int new_telemetry) {
 308                 synchronized (backend) {
 309                         telemetries.put(serial, new_telemetry);
 310                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 311                         flush_preferences();
 312                 }
 313         }
 314
 315         public static int telemetry(int serial) {
 316                 synchronized (backend) {
 317                         if (telemetries.containsKey(serial))
 318                                 return telemetries.get(serial);
 319                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 320                                                    AltosLib.ao_telemetry_standard);
 321                         telemetries.put(serial, telemetry);
 322                         return telemetry;
 323                 }
 324         }
 325
 326         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 327                 synchronized (backend) {
 328                         telemetry_rates.put(serial, new_telemetry_rate);
 329                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 330                         flush_preferences();
 331                 }
 332         }
 333
 334         public static int telemetry_rate(int serial) {
 335                 synchronized (backend) {
 336                         if (telemetry_rates.containsKey(serial))
 337                                 return telemetry_rates.get(serial);
 338                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 339                                                             AltosLib.ao_telemetry_rate_38400);
 340                         telemetry_rates.put(serial, telemetry_rate);
 341                         return telemetry_rate;
 342                 }
 343         }
 344
 345         public static void set_logfile(int serial, File new_logfile) {
 346                 synchronized(backend) {
 347                         logfiles.put(serial, new_logfile);
 348                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 349                         flush_preferences();
 350                 }
 351         }
 352
 353         public static File logfile(int serial) {
 354                 synchronized(backend) {
 355                         if (logfiles.containsKey(serial))
 356                                 return logfiles.get(serial);
 357                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 358                         if (logfile_string == null)
 359                                 return null;
 360                         File logfile = new File(logfile_string);
 361                         logfiles.put(serial, logfile);
 362                         return logfile;
 363                 }
 364         }
 365
 366         public static void set_state(AltosState state) {
 367
 368                 synchronized(backend) {
 369                         backend.putJson(String.format(statePreferenceFormat, state.serial), new AltosJson(state));
 370                         backend.putInt(statePreferenceLatest, state.serial);
 371                         flush_preferences();
 372                 }
 373         }
 374
 375         public static ArrayList<Integer> list_states() {
 376                 String[]                keys = backend.keys();
 377                 ArrayList<Integer>      states = new ArrayList<Integer>();
 378
 379                 for (String key : keys) {
 380                         if (key.startsWith(statePreferenceHead)) {
 381                                 try {
 382                                         int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
 383                                         states.add(serial);
 384                                 } catch (ParseException pe) {
 385                                 }
 386                         }
 387                 }
 388                 return states;
 389         }
 390
 391         public static void remove_state(int serial) {
 392                 synchronized(backend) {
 393                         backend.remove(String.format(statePreferenceFormat, serial));
 394                         flush_preferences();
 395                 }
 396         }
 397
 398         public static int latest_state() {
 399                 int     latest = 0;
 400                 synchronized (backend) {
 401                         latest = backend.getInt(statePreferenceLatest, 0);
 402                 }
 403                 return latest;
 404         }
 405
 406         public static AltosState state(int serial) {
 407                 synchronized(backend) {
 408                         try {
 409                                 AltosJson json = backend.getJson(String.format(statePreferenceFormat, serial));
 410                                 if (json != null)
 411                                         return (AltosState) (json.make(AltosState.class));
 412                         } catch (Exception e) {
 413                         }
 414                         return null;
 415                 }
 416         }
 417
 418         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 419                 synchronized (backend) {
 420                         scanning_telemetry = new_scanning_telemetry;
 421                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 422                         flush_preferences();
 423                 }
 424         }
 425
 426         public static int scanning_telemetry() {
 427                 synchronized (backend) {
 428                         return scanning_telemetry;
 429                 }
 430         }
 431
 432         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 433                 synchronized (backend) {
 434                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 435                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 436                         flush_preferences();
 437                 }
 438         }
 439
 440         public static int scanning_telemetry_rate() {
 441                 synchronized(backend) {
 442                         return scanning_telemetry_rate;
 443                 }
 444         }
 445
 446         public static void set_voice(boolean new_voice) {
 447                 synchronized (backend) {
 448                         voice = new_voice;
 449                         backend.putBoolean(voicePreference, voice);
 450                         flush_preferences();
 451                 }
 452         }
 453
 454         public static boolean voice() {
 455                 synchronized (backend) {
 456                         return voice;
 457                 }
 458         }
 459
 460         public static void set_callsign(String new_callsign) {
 461                 synchronized(backend) {
 462                         callsign = new_callsign;
 463                         backend.putString(callsignPreference, callsign);
 464                         flush_preferences();
 465                 }
 466         }
 467
 468         public static String callsign() {
 469                 synchronized(backend) {
 470                         return callsign;
 471                 }
 472         }
 473
 474         public static void set_firmwaredir(File new_firmwaredir) {
 475                 synchronized (backend) {
 476                         firmwaredir = new_firmwaredir;
 477                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 478                         flush_preferences();
 479                 }
 480         }
 481
 482         public static File firmwaredir() {
 483                 synchronized (backend) {
 484                         return firmwaredir;
 485                 }
 486         }
 487
 488         public static void set_launcher_serial(int new_launcher_serial) {
 489                 synchronized (backend) {
 490                         launcher_serial = new_launcher_serial;
 491                         backend.putInt(launcherSerialPreference, launcher_serial);
 492                         flush_preferences();
 493                 }
 494         }
 495
 496         public static int launcher_serial() {
 497                 synchronized (backend) {
 498                         return launcher_serial;
 499                 }
 500         }
 501
 502         public static void set_launcher_channel(int new_launcher_channel) {
 503                 synchronized (backend) {
 504                         launcher_channel = new_launcher_channel;
 505                         backend.putInt(launcherChannelPreference, launcher_channel);
 506                         flush_preferences();
 507                 }
 508         }
 509
 510         public static int launcher_channel() {
 511                 synchronized (backend) {
 512                         return launcher_channel;
 513                 }
 514         }
 515
 516         public static AltosPreferencesBackend bt_devices() {
 517                 synchronized (backend) {
 518                         return backend.node("bt_devices");
 519                 }
 520         }
 521
 522         public static AltosFrequency[] common_frequencies() {
 523                 synchronized (backend) {
 524                         return common_frequencies;
 525                 }
 526         }
 527
 528         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 529                 synchronized(backend) {
 530                         common_frequencies = frequencies;
 531
 532                         save_common_frequencies();
 533                 }
 534         }
 535
 536         public static void add_common_frequency(AltosFrequency frequency) {
 537                 AltosFrequency[]        old_frequencies = common_frequencies();
 538                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 539                 int                     i;
 540
 541                 for (i = 0; i < old_frequencies.length; i++) {
 542                         if (frequency.frequency == old_frequencies[i].frequency)
 543                                 return;
 544                         if (frequency.frequency < old_frequencies[i].frequency)
 545                                 break;
 546                         new_frequencies[i] = old_frequencies[i];
 547                 }
 548                 new_frequencies[i] = frequency;
 549                 for (; i < old_frequencies.length; i++)
 550                         new_frequencies[i+1] = old_frequencies[i];
 551                 set_common_frequencies(new_frequencies);
 552         }
 553
 554         static LinkedList<AltosUnitsListener> units_listeners;
 555
 556         public static boolean imperial_units() {
 557                 synchronized(backend) {
 558                         return AltosConvert.imperial_units;
 559                 }
 560         }
 561
 562         public static void set_imperial_units(boolean imperial_units) {
 563                 synchronized (backend) {
 564                         AltosConvert.imperial_units = imperial_units;
 565                         backend.putBoolean(unitsPreference, imperial_units);
 566                         flush_preferences();
 567                 }
 568                 if (units_listeners != null) {
 569                         for (AltosUnitsListener l : units_listeners) {
 570                                 l.units_changed(imperial_units);
 571                         }
 572                 }
 573         }
 574
 575         public static void register_units_listener(AltosUnitsListener l) {
 576                 synchronized(backend) {
 577                         if (units_listeners == null)
 578                                 units_listeners = new LinkedList<AltosUnitsListener>();
 579                         units_listeners.add(l);
 580                 }
 581         }
 582
 583         public static void unregister_units_listener(AltosUnitsListener l) {
 584                 synchronized(backend) {
 585                         units_listeners.remove(l);
 586                 }
 587         }
 588
 589
 590         public static void register_map_cache_listener(AltosMapCacheListener l) {
 591                 synchronized(backend) {
 592                         map_cache_listeners.add(l);
 593                 }
 594         }
 595
 596         public static void unregister_map_cache_listener(AltosMapCacheListener l) {
 597                 synchronized (backend) {
 598                         map_cache_listeners.remove(l);
 599                 }
 600         }
 601
 602         public static void set_map_cache(int new_map_cache) {
 603                 synchronized(backend) {
 604                         map_cache = new_map_cache;
 605                         backend.putInt(mapCachePreference, map_cache);
 606                         flush_preferences();
 607                         for (AltosMapCacheListener l: map_cache_listeners)
 608                                 l.map_cache_changed(map_cache);
 609                 }
 610         }
 611
 612         public static int map_cache() {
 613                 synchronized(backend) {
 614                         return map_cache;
 615                 }
 616         }
 617
 618         static LinkedList<AltosMapTypeListener> map_type_listeners;
 619
 620         public static void set_map_type(int map_type) {
 621                 synchronized(backend) {
 622                         AltosPreferences.map_type = map_type;
 623                         backend.putInt(mapTypePreference, map_type);
 624                         flush_preferences();
 625                 }
 626                 if (map_type_listeners != null) {
 627                         for (AltosMapTypeListener l : map_type_listeners) {
 628                                 l.map_type_changed(map_type);
 629                         }
 630                 }
 631         }
 632
 633         public static int map_type() {
 634                 synchronized(backend) {
 635                         return map_type;
 636                 }
 637         }
 638
 639         public static void register_map_type_listener(AltosMapTypeListener l) {
 640                 synchronized(backend) {
 641                         if (map_type_listeners == null)
 642                                 map_type_listeners = new LinkedList<AltosMapTypeListener>();
 643                         map_type_listeners.add(l);
 644                 }
 645         }
 646
 647         public static void unregister_map_type_listener(AltosMapTypeListener l) {
 648                 synchronized(backend) {
 649                         map_type_listeners.remove(l);
 650                 }
 651         }
 652 }