git.gag.com Git - fw/altos/blob - altoslib/AltosPreferences.java

   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                 AltosJson sets;
 139
 140                 try {
 141                         sets = AltosJson.fromString(backend.getString(frequenciesPreference,null));
 142
 143                         if (sets != null) {
 144                                 ArrayList<AltosFrequency>       freqs = new ArrayList<AltosFrequency>();
 145
 146                                 for (int i = 0; i < sets.size(); i++) {
 147                                         AltosFrequency f = AltosFrequency.fromJson(sets.get(i), null);
 148                                         if (f != null)
 149                                                 freqs.add(f);
 150                                 }
 151                                 frequencies = freqs.toArray(new AltosFrequency[0]);
 152                         }
 153                 } catch (Exception e) {
 154                         sets = null;
 155                 }
 156
 157                 if (frequencies == null) {
 158                         if (backend.nodeExists(common_frequencies_node_name)) {
 159                                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 160                                 int             count = node.getInt(frequency_count, 0);
 161
 162                                 if (count > 0) {
 163                                         frequencies = new AltosFrequency[count];
 164                                         for (int i = 0; i < count; i++) {
 165                                                 double  frequency;
 166                                                 String  description;
 167
 168                                                 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 169                                                 description = node.getString(String.format(description_format, i), null);
 170                                                 frequencies[i] = new AltosFrequency(frequency, description);
 171                                         }
 172                                 }
 173                         }
 174                 }
 175
 176                 if (frequencies == null) {
 177                         frequencies = new AltosFrequency[10];
 178                         for (int i = 0; i < 10; i++) {
 179                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 180                                                                            String.format("Channel %d", i));
 181                         }
 182                 }
 183                 return frequencies;
 184         }
 185
 186         public static void save_common_frequencies() {
 187                 AltosJson       json = new AltosJson(common_frequencies);
 188                 backend.putString(frequenciesPreference, json.toString());
 189                 flush_preferences();
 190         }
 191
 192         public static int launcher_serial;
 193
 194         public static int launcher_channel;
 195
 196         public static void init(AltosPreferencesBackend in_backend) {
 197
 198                 if (backend != null)
 199                         return;
 200
 201                 backend = in_backend;
 202
 203                 /* Initialize logdir from preferences */
 204                 String logdir_string = backend.getString(logdirPreference, null);
 205                 if (logdir_string != null)
 206                         logdir = new File(logdir_string);
 207                 else {
 208                         logdir = new File(backend.homeDirectory(), logdirName);
 209                         if (!logdir.exists())
 210                                 logdir.mkdirs();
 211                 }
 212                 mapdir = new File(logdir, "maps");
 213                 if (!mapdir.exists())
 214                         mapdir.mkdirs();
 215
 216                 frequencies = new Hashtable<Integer, Double>();
 217
 218                 telemetries = new Hashtable<Integer,Integer>();
 219
 220                 telemetry_rates = new Hashtable<Integer,Integer>();
 221
 222                 logfiles = new Hashtable<Integer,File>();
 223
 224                 voice = backend.getBoolean(voicePreference, true);
 225
 226                 callsign = backend.getString(callsignPreference,"N0CALL");
 227
 228                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 229
 230                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 231
 232                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 233
 234                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 235
 236                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 237                 if (firmwaredir_string != null)
 238                         firmwaredir = new File(firmwaredir_string);
 239                 else
 240                         firmwaredir = null;
 241
 242                 common_frequencies = load_common_frequencies();
 243
 244                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 245
 246                 map_cache = backend.getInt(mapCachePreference, 9);
 247                 map_cache_listeners = new LinkedList<AltosMapCacheListener>();
 248                 map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
 249         }
 250
 251         public static void flush_preferences() {
 252                 backend.flush();
 253         }
 254
 255         public static void set_logdir(File new_logdir) {
 256                 synchronized (backend) {
 257                         logdir = new_logdir;
 258                         mapdir = new File(logdir, "maps");
 259                         if (!mapdir.exists())
 260                                 mapdir.mkdirs();
 261                         backend.putString(logdirPreference, logdir.getPath());
 262                         flush_preferences();
 263                 }
 264         }
 265
 266         public static File logdir() {
 267                 synchronized (backend) {
 268                         return logdir;
 269                 }
 270         }
 271
 272         public static File last_logdir() {
 273                 synchronized (backend) {
 274                         if (last_logdir == null)
 275                                 last_logdir = logdir;
 276                         return last_logdir;
 277                 }
 278         }
 279
 280         public static void set_last_logdir(File file) {
 281                 synchronized(backend) {
 282                         if (file != null && !file.isDirectory())
 283                                 file = file.getParentFile();
 284                         if (file == null)
 285                                 file = new File(".");
 286                         last_logdir = file;
 287                 }
 288         }
 289
 290         public static File mapdir() {
 291                 synchronized (backend) {
 292                         return mapdir;
 293                 }
 294         }
 295
 296         public static void set_frequency(int serial, double new_frequency) {
 297                 synchronized (backend) {
 298                         frequencies.put(serial, new_frequency);
 299                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 300                         flush_preferences();
 301                 }
 302         }
 303
 304         public static double frequency(int serial) {
 305                 synchronized (backend) {
 306                         if (frequencies.containsKey(serial))
 307                                 return frequencies.get(serial);
 308                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 309                         if (frequency == 0.0) {
 310                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 311                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 312                         }
 313                         frequencies.put(serial, frequency);
 314                         return frequency;
 315                 }
 316         }
 317
 318         public static void set_telemetry(int serial, int new_telemetry) {
 319                 synchronized (backend) {
 320                         telemetries.put(serial, new_telemetry);
 321                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 322                         flush_preferences();
 323                 }
 324         }
 325
 326         public static int telemetry(int serial) {
 327                 synchronized (backend) {
 328                         if (telemetries.containsKey(serial))
 329                                 return telemetries.get(serial);
 330                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 331                                                    AltosLib.ao_telemetry_standard);
 332                         telemetries.put(serial, telemetry);
 333                         return telemetry;
 334                 }
 335         }
 336
 337         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 338                 synchronized (backend) {
 339                         telemetry_rates.put(serial, new_telemetry_rate);
 340                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 341                         flush_preferences();
 342                 }
 343         }
 344
 345         public static int telemetry_rate(int serial) {
 346                 synchronized (backend) {
 347                         if (telemetry_rates.containsKey(serial))
 348                                 return telemetry_rates.get(serial);
 349                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 350                                                             AltosLib.ao_telemetry_rate_38400);
 351                         telemetry_rates.put(serial, telemetry_rate);
 352                         return telemetry_rate;
 353                 }
 354         }
 355
 356         public static void set_logfile(int serial, File new_logfile) {
 357                 synchronized(backend) {
 358                         logfiles.put(serial, new_logfile);
 359                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 360                         flush_preferences();
 361                 }
 362         }
 363
 364         public static File logfile(int serial) {
 365                 synchronized(backend) {
 366                         if (logfiles.containsKey(serial))
 367                                 return logfiles.get(serial);
 368                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 369                         if (logfile_string == null)
 370                                 return null;
 371                         File logfile = new File(logfile_string);
 372                         logfiles.put(serial, logfile);
 373                         return logfile;
 374                 }
 375         }
 376
 377         public static void set_state(AltosState state) {
 378
 379                 synchronized(backend) {
 380                         backend.putJson(String.format(statePreferenceFormat, state.serial), state.json());
 381                         backend.putInt(statePreferenceLatest, state.serial);
 382                         flush_preferences();
 383                 }
 384         }
 385
 386         public static ArrayList<Integer> list_states() {
 387                 String[]                keys = backend.keys();
 388                 ArrayList<Integer>      states = new ArrayList<Integer>();
 389
 390                 for (String key : keys) {
 391                         if (key.startsWith(statePreferenceHead)) {
 392                                 try {
 393                                         int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
 394                                         states.add(serial);
 395                                 } catch (ParseException pe) {
 396                                 }
 397                         }
 398                 }
 399                 return states;
 400         }
 401
 402         public static void remove_state(int serial) {
 403                 synchronized(backend) {
 404                         backend.remove(String.format(statePreferenceFormat, serial));
 405                         flush_preferences();
 406                 }
 407         }
 408
 409         public static int latest_state() {
 410                 int     latest = 0;
 411                 synchronized (backend) {
 412                         latest = backend.getInt(statePreferenceLatest, 0);
 413                 }
 414                 return latest;
 415         }
 416
 417         public static AltosState state(int serial) {
 418                 synchronized(backend) {
 419                         try {
 420                                 return AltosState.fromJson(backend.getJson(String.format(statePreferenceFormat, serial)));
 421                         } catch (Exception e) {
 422                                 return null;
 423                         }
 424                 }
 425         }
 426
 427         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 428                 synchronized (backend) {
 429                         scanning_telemetry = new_scanning_telemetry;
 430                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 431                         flush_preferences();
 432                 }
 433         }
 434
 435         public static int scanning_telemetry() {
 436                 synchronized (backend) {
 437                         return scanning_telemetry;
 438                 }
 439         }
 440
 441         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 442                 synchronized (backend) {
 443                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 444                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 445                         flush_preferences();
 446                 }
 447         }
 448
 449         public static int scanning_telemetry_rate() {
 450                 synchronized(backend) {
 451                         return scanning_telemetry_rate;
 452                 }
 453         }
 454
 455         public static void set_voice(boolean new_voice) {
 456                 synchronized (backend) {
 457                         voice = new_voice;
 458                         backend.putBoolean(voicePreference, voice);
 459                         flush_preferences();
 460                 }
 461         }
 462
 463         public static boolean voice() {
 464                 synchronized (backend) {
 465                         return voice;
 466                 }
 467         }
 468
 469         public static void set_callsign(String new_callsign) {
 470                 synchronized(backend) {
 471                         callsign = new_callsign;
 472                         backend.putString(callsignPreference, callsign);
 473                         flush_preferences();
 474                 }
 475         }
 476
 477         public static String callsign() {
 478                 synchronized(backend) {
 479                         return callsign;
 480                 }
 481         }
 482
 483         public static void set_firmwaredir(File new_firmwaredir) {
 484                 synchronized (backend) {
 485                         firmwaredir = new_firmwaredir;
 486                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 487                         flush_preferences();
 488                 }
 489         }
 490
 491         public static File firmwaredir() {
 492                 synchronized (backend) {
 493                         return firmwaredir;
 494                 }
 495         }
 496
 497         public static void set_launcher_serial(int new_launcher_serial) {
 498                 synchronized (backend) {
 499                         launcher_serial = new_launcher_serial;
 500                         backend.putInt(launcherSerialPreference, launcher_serial);
 501                         flush_preferences();
 502                 }
 503         }
 504
 505         public static int launcher_serial() {
 506                 synchronized (backend) {
 507                         return launcher_serial;
 508                 }
 509         }
 510
 511         public static void set_launcher_channel(int new_launcher_channel) {
 512                 synchronized (backend) {
 513                         launcher_channel = new_launcher_channel;
 514                         backend.putInt(launcherChannelPreference, launcher_channel);
 515                         flush_preferences();
 516                 }
 517         }
 518
 519         public static int launcher_channel() {
 520                 synchronized (backend) {
 521                         return launcher_channel;
 522                 }
 523         }
 524
 525         public static AltosPreferencesBackend bt_devices() {
 526                 synchronized (backend) {
 527                         return backend.node("bt_devices");
 528                 }
 529         }
 530
 531         public static AltosFrequency[] common_frequencies() {
 532                 synchronized (backend) {
 533                         return common_frequencies;
 534                 }
 535         }
 536
 537         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 538                 synchronized(backend) {
 539                         common_frequencies = frequencies;
 540
 541                         save_common_frequencies();
 542                 }
 543         }
 544
 545         public static void add_common_frequency(AltosFrequency frequency) {
 546                 AltosFrequency[]        old_frequencies = common_frequencies();
 547                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 548                 int                     i;
 549
 550                 for (i = 0; i < old_frequencies.length; i++) {
 551                         if (frequency.frequency == old_frequencies[i].frequency)
 552                                 return;
 553                         if (frequency.frequency < old_frequencies[i].frequency)
 554                                 break;
 555                         new_frequencies[i] = old_frequencies[i];
 556                 }
 557                 new_frequencies[i] = frequency;
 558                 for (; i < old_frequencies.length; i++)
 559                         new_frequencies[i+1] = old_frequencies[i];
 560                 set_common_frequencies(new_frequencies);
 561         }
 562
 563         static LinkedList<AltosUnitsListener> units_listeners;
 564
 565         public static boolean imperial_units() {
 566                 synchronized(backend) {
 567                         return AltosConvert.imperial_units;
 568                 }
 569         }
 570
 571         public static void set_imperial_units(boolean imperial_units) {
 572                 synchronized (backend) {
 573                         AltosConvert.imperial_units = imperial_units;
 574                         backend.putBoolean(unitsPreference, imperial_units);
 575                         flush_preferences();
 576                 }
 577                 if (units_listeners != null) {
 578                         for (AltosUnitsListener l : units_listeners) {
 579                                 l.units_changed(imperial_units);
 580                         }
 581                 }
 582         }
 583
 584         public static void register_units_listener(AltosUnitsListener l) {
 585                 synchronized(backend) {
 586                         if (units_listeners == null)
 587                                 units_listeners = new LinkedList<AltosUnitsListener>();
 588                         units_listeners.add(l);
 589                 }
 590         }
 591
 592         public static void unregister_units_listener(AltosUnitsListener l) {
 593                 synchronized(backend) {
 594                         units_listeners.remove(l);
 595                 }
 596         }
 597
 598
 599         public static void register_map_cache_listener(AltosMapCacheListener l) {
 600                 synchronized(backend) {
 601                         map_cache_listeners.add(l);
 602                 }
 603         }
 604
 605         public static void unregister_map_cache_listener(AltosMapCacheListener l) {
 606                 synchronized (backend) {
 607                         map_cache_listeners.remove(l);
 608                 }
 609         }
 610
 611         public static void set_map_cache(int new_map_cache) {
 612                 synchronized(backend) {
 613                         map_cache = new_map_cache;
 614                         backend.putInt(mapCachePreference, map_cache);
 615                         flush_preferences();
 616                         for (AltosMapCacheListener l: map_cache_listeners)
 617                                 l.map_cache_changed(map_cache);
 618                 }
 619         }
 620
 621         public static int map_cache() {
 622                 synchronized(backend) {
 623                         return map_cache;
 624                 }
 625         }
 626
 627         static LinkedList<AltosMapTypeListener> map_type_listeners;
 628
 629         public static void set_map_type(int map_type) {
 630                 synchronized(backend) {
 631                         AltosPreferences.map_type = map_type;
 632                         backend.putInt(mapTypePreference, map_type);
 633                         flush_preferences();
 634                 }
 635                 if (map_type_listeners != null) {
 636                         for (AltosMapTypeListener l : map_type_listeners) {
 637                                 l.map_type_changed(map_type);
 638                         }
 639                 }
 640         }
 641
 642         public static int map_type() {
 643                 synchronized(backend) {
 644                         return map_type;
 645                 }
 646         }
 647
 648         public static void register_map_type_listener(AltosMapTypeListener l) {
 649                 synchronized(backend) {
 650                         if (map_type_listeners == null)
 651                                 map_type_listeners = new LinkedList<AltosMapTypeListener>();
 652                         map_type_listeners.add(l);
 653                 }
 654         }
 655
 656         public static void unregister_map_type_listener(AltosMapTypeListener l) {
 657                 synchronized(backend) {
 658                         map_type_listeners.remove(l);
 659                 }
 660         }
 661 }