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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_10;
  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";
 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                 frequencies = (AltosFrequency[]) backend.getSerializable(frequenciesPreference, null);
 140
 141                 if (frequencies == null) {
 142                         if (backend.nodeExists(common_frequencies_node_name)) {
 143                                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 144                                 int             count = node.getInt(frequency_count, 0);
 145
 146                                 frequencies = new AltosFrequency[count];
 147                                 for (int i = 0; i < count; i++) {
 148                                         double  frequency;
 149                                         String  description;
 150
 151                                         frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 152                                         description = node.getString(String.format(description_format, i), null);
 153                                         frequencies[i] = new AltosFrequency(frequency, description);
 154                                 }
 155                         }
 156                 }
 157
 158                 if (frequencies == null) {
 159                         frequencies = new AltosFrequency[10];
 160                         for (int i = 0; i < 10; i++) {
 161                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 162                                                                            String.format("Channel %d", i));
 163                         }
 164                 }
 165                 return frequencies;
 166         }
 167
 168         public static int launcher_serial;
 169
 170         public static int launcher_channel;
 171
 172         public static void init(AltosPreferencesBackend in_backend) {
 173
 174                 if (backend != null)
 175                         return;
 176
 177                 backend = in_backend;
 178
 179                 /* Initialize logdir from preferences */
 180                 String logdir_string = backend.getString(logdirPreference, null);
 181                 if (logdir_string != null)
 182                         logdir = new File(logdir_string);
 183                 else {
 184                         logdir = new File(backend.homeDirectory(), logdirName);
 185                         if (!logdir.exists())
 186                                 logdir.mkdirs();
 187                 }
 188                 mapdir = new File(logdir, "maps");
 189                 if (!mapdir.exists())
 190                         mapdir.mkdirs();
 191
 192                 frequencies = new Hashtable<Integer, Double>();
 193
 194                 telemetries = new Hashtable<Integer,Integer>();
 195
 196                 telemetry_rates = new Hashtable<Integer,Integer>();
 197
 198                 logfiles = new Hashtable<Integer,File>();
 199
 200                 voice = backend.getBoolean(voicePreference, true);
 201
 202                 callsign = backend.getString(callsignPreference,"N0CALL");
 203
 204                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 205
 206                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 207
 208                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 209
 210                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 211
 212                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 213                 if (firmwaredir_string != null)
 214                         firmwaredir = new File(firmwaredir_string);
 215                 else
 216                         firmwaredir = null;
 217
 218                 common_frequencies = load_common_frequencies();
 219
 220                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 221
 222                 map_cache = backend.getInt(mapCachePreference, 9);
 223                 map_cache_listeners = new LinkedList<AltosMapCacheListener>();
 224                 map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
 225         }
 226
 227         public static void flush_preferences() {
 228                 backend.flush();
 229         }
 230
 231         public static void set_logdir(File new_logdir) {
 232                 synchronized (backend) {
 233                         logdir = new_logdir;
 234                         mapdir = new File(logdir, "maps");
 235                         if (!mapdir.exists())
 236                                 mapdir.mkdirs();
 237                         backend.putString(logdirPreference, logdir.getPath());
 238                         flush_preferences();
 239                 }
 240         }
 241
 242         public static File logdir() {
 243                 synchronized (backend) {
 244                         return logdir;
 245                 }
 246         }
 247
 248         public static File last_logdir() {
 249                 synchronized (backend) {
 250                         if (last_logdir == null)
 251                                 last_logdir = logdir;
 252                         return last_logdir;
 253                 }
 254         }
 255
 256         public static void set_last_logdir(File file) {
 257                 synchronized(backend) {
 258                         if (file != null && !file.isDirectory())
 259                                 file = file.getParentFile();
 260                         if (file == null)
 261                                 file = new File(".");
 262                         last_logdir = file;
 263                 }
 264         }
 265
 266         public static File mapdir() {
 267                 synchronized (backend) {
 268                         return mapdir;
 269                 }
 270         }
 271
 272         public static void set_frequency(int serial, double new_frequency) {
 273                 synchronized (backend) {
 274                         frequencies.put(serial, new_frequency);
 275                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 276                         flush_preferences();
 277                 }
 278         }
 279
 280         public static double frequency(int serial) {
 281                 synchronized (backend) {
 282                         if (frequencies.containsKey(serial))
 283                                 return frequencies.get(serial);
 284                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 285                         if (frequency == 0.0) {
 286                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 287                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 288                         }
 289                         frequencies.put(serial, frequency);
 290                         return frequency;
 291                 }
 292         }
 293
 294         public static void set_telemetry(int serial, int new_telemetry) {
 295                 synchronized (backend) {
 296                         telemetries.put(serial, new_telemetry);
 297                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 298                         flush_preferences();
 299                 }
 300         }
 301
 302         public static int telemetry(int serial) {
 303                 synchronized (backend) {
 304                         if (telemetries.containsKey(serial))
 305                                 return telemetries.get(serial);
 306                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 307                                                    AltosLib.ao_telemetry_standard);
 308                         telemetries.put(serial, telemetry);
 309                         return telemetry;
 310                 }
 311         }
 312
 313         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 314                 synchronized (backend) {
 315                         telemetry_rates.put(serial, new_telemetry_rate);
 316                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 317                         flush_preferences();
 318                 }
 319         }
 320
 321         public static int telemetry_rate(int serial) {
 322                 synchronized (backend) {
 323                         if (telemetry_rates.containsKey(serial))
 324                                 return telemetry_rates.get(serial);
 325                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 326                                                             AltosLib.ao_telemetry_rate_38400);
 327                         telemetry_rates.put(serial, telemetry_rate);
 328                         return telemetry_rate;
 329                 }
 330         }
 331
 332         public static void set_logfile(int serial, File new_logfile) {
 333                 synchronized(backend) {
 334                         logfiles.put(serial, new_logfile);
 335                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 336                         flush_preferences();
 337                 }
 338         }
 339
 340         public static File logfile(int serial) {
 341                 synchronized(backend) {
 342                         if (logfiles.containsKey(serial))
 343                                 return logfiles.get(serial);
 344                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 345                         if (logfile_string == null)
 346                                 return null;
 347                         File logfile = new File(logfile_string);
 348                         logfiles.put(serial, logfile);
 349                         return logfile;
 350                 }
 351         }
 352
 353         public static void set_state(AltosState state) {
 354
 355                 synchronized(backend) {
 356                         backend.putSerializable(String.format(statePreferenceFormat, state.serial), state);
 357                         backend.putInt(statePreferenceLatest, state.serial);
 358                         flush_preferences();
 359                 }
 360         }
 361
 362         public static ArrayList<Integer> list_states() {
 363                 String[]                keys = backend.keys();
 364                 ArrayList<Integer>      states = new ArrayList<Integer>();
 365
 366                 for (String key : keys) {
 367                         if (key.startsWith(statePreferenceHead)) {
 368                                 try {
 369                                         int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
 370                                         states.add(serial);
 371                                 } catch (ParseException pe) {
 372                                 }
 373                         }
 374                 }
 375                 return states;
 376         }
 377
 378         public static void remove_state(int serial) {
 379                 synchronized(backend) {
 380                         backend.remove(String.format(statePreferenceFormat, serial));
 381                 }
 382         }
 383
 384         public static int latest_state() {
 385                 int     latest = 0;
 386                 synchronized (backend) {
 387                         latest = backend.getInt(statePreferenceLatest, 0);
 388                 }
 389                 return latest;
 390         }
 391
 392         public static AltosState state(int serial) {
 393                 synchronized(backend) {
 394                         try {
 395                                 return (AltosState) backend.getSerializable(String.format(statePreferenceFormat, serial), null);
 396                         } catch (Exception e) {
 397                                 return null;
 398                         }
 399                 }
 400         }
 401
 402         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 403                 synchronized (backend) {
 404                         scanning_telemetry = new_scanning_telemetry;
 405                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 406                         flush_preferences();
 407                 }
 408         }
 409
 410         public static int scanning_telemetry() {
 411                 synchronized (backend) {
 412                         return scanning_telemetry;
 413                 }
 414         }
 415
 416         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 417                 synchronized (backend) {
 418                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 419                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 420                         flush_preferences();
 421                 }
 422         }
 423
 424         public static int scanning_telemetry_rate() {
 425                 synchronized(backend) {
 426                         return scanning_telemetry_rate;
 427                 }
 428         }
 429
 430         public static void set_voice(boolean new_voice) {
 431                 synchronized (backend) {
 432                         voice = new_voice;
 433                         backend.putBoolean(voicePreference, voice);
 434                         flush_preferences();
 435                 }
 436         }
 437
 438         public static boolean voice() {
 439                 synchronized (backend) {
 440                         return voice;
 441                 }
 442         }
 443
 444         public static void set_callsign(String new_callsign) {
 445                 synchronized(backend) {
 446                         callsign = new_callsign;
 447                         backend.putString(callsignPreference, callsign);
 448                         flush_preferences();
 449                 }
 450         }
 451
 452         public static String callsign() {
 453                 synchronized(backend) {
 454                         return callsign;
 455                 }
 456         }
 457
 458         public static void set_firmwaredir(File new_firmwaredir) {
 459                 synchronized (backend) {
 460                         firmwaredir = new_firmwaredir;
 461                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 462                         flush_preferences();
 463                 }
 464         }
 465
 466         public static File firmwaredir() {
 467                 synchronized (backend) {
 468                         return firmwaredir;
 469                 }
 470         }
 471
 472         public static void set_launcher_serial(int new_launcher_serial) {
 473                 synchronized (backend) {
 474                         launcher_serial = new_launcher_serial;
 475                         backend.putInt(launcherSerialPreference, launcher_serial);
 476                         flush_preferences();
 477                 }
 478         }
 479
 480         public static int launcher_serial() {
 481                 synchronized (backend) {
 482                         return launcher_serial;
 483                 }
 484         }
 485
 486         public static void set_launcher_channel(int new_launcher_channel) {
 487                 synchronized (backend) {
 488                         launcher_channel = new_launcher_channel;
 489                         backend.putInt(launcherChannelPreference, launcher_channel);
 490                         flush_preferences();
 491                 }
 492         }
 493
 494         public static int launcher_channel() {
 495                 synchronized (backend) {
 496                         return launcher_channel;
 497                 }
 498         }
 499
 500         public static AltosPreferencesBackend bt_devices() {
 501                 synchronized (backend) {
 502                         return backend.node("bt_devices");
 503                 }
 504         }
 505
 506         public static AltosFrequency[] common_frequencies() {
 507                 synchronized (backend) {
 508                         return common_frequencies;
 509                 }
 510         }
 511
 512         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 513                 synchronized(backend) {
 514                         common_frequencies = frequencies;
 515                         backend.putSerializable(frequenciesPreference, frequencies);
 516                         flush_preferences();
 517                 }
 518         }
 519
 520         public static void add_common_frequency(AltosFrequency frequency) {
 521                 AltosFrequency[]        old_frequencies = common_frequencies();
 522                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 523                 int                     i;
 524
 525                 for (i = 0; i < old_frequencies.length; i++) {
 526                         if (frequency.frequency == old_frequencies[i].frequency)
 527                                 return;
 528                         if (frequency.frequency < old_frequencies[i].frequency)
 529                                 break;
 530                         new_frequencies[i] = old_frequencies[i];
 531                 }
 532                 new_frequencies[i] = frequency;
 533                 for (; i < old_frequencies.length; i++)
 534                         new_frequencies[i+1] = old_frequencies[i];
 535                 set_common_frequencies(new_frequencies);
 536         }
 537
 538         static LinkedList<AltosUnitsListener> units_listeners;
 539
 540         public static boolean imperial_units() {
 541                 synchronized(backend) {
 542                         return AltosConvert.imperial_units;
 543                 }
 544         }
 545
 546         public static void set_imperial_units(boolean imperial_units) {
 547                 synchronized (backend) {
 548                         AltosConvert.imperial_units = imperial_units;
 549                         backend.putBoolean(unitsPreference, imperial_units);
 550                         flush_preferences();
 551                 }
 552                 if (units_listeners != null) {
 553                         for (AltosUnitsListener l : units_listeners) {
 554                                 l.units_changed(imperial_units);
 555                         }
 556                 }
 557         }
 558
 559         public static void register_units_listener(AltosUnitsListener l) {
 560                 synchronized(backend) {
 561                         if (units_listeners == null)
 562                                 units_listeners = new LinkedList<AltosUnitsListener>();
 563                         units_listeners.add(l);
 564                 }
 565         }
 566
 567         public static void unregister_units_listener(AltosUnitsListener l) {
 568                 synchronized(backend) {
 569                         units_listeners.remove(l);
 570                 }
 571         }
 572
 573
 574         public static void register_map_cache_listener(AltosMapCacheListener l) {
 575                 synchronized(backend) {
 576                         map_cache_listeners.add(l);
 577                 }
 578         }
 579
 580         public static void unregister_map_cache_listener(AltosMapCacheListener l) {
 581                 synchronized (backend) {
 582                         map_cache_listeners.remove(l);
 583                 }
 584         }
 585
 586         public static void set_map_cache(int new_map_cache) {
 587                 synchronized(backend) {
 588                         map_cache = new_map_cache;
 589                         backend.putInt(mapCachePreference, map_cache);
 590                         flush_preferences();
 591                         for (AltosMapCacheListener l: map_cache_listeners)
 592                                 l.map_cache_changed(map_cache);
 593                 }
 594         }
 595
 596         public static int map_cache() {
 597                 synchronized(backend) {
 598                         return map_cache;
 599                 }
 600         }
 601
 602         static LinkedList<AltosMapTypeListener> map_type_listeners;
 603
 604         public static void set_map_type(int map_type) {
 605                 synchronized(backend) {
 606                         AltosPreferences.map_type = map_type;
 607                         backend.putInt(mapTypePreference, map_type);
 608                         flush_preferences();
 609                 }
 610                 if (map_type_listeners != null) {
 611                         for (AltosMapTypeListener l : map_type_listeners) {
 612                                 l.map_type_changed(map_type);
 613                         }
 614                 }
 615         }
 616
 617         public static int map_type() {
 618                 synchronized(backend) {
 619                         return map_type;
 620                 }
 621         }
 622
 623         public static void register_map_type_listener(AltosMapTypeListener l) {
 624                 synchronized(backend) {
 625                         if (map_type_listeners == null)
 626                                 map_type_listeners = new LinkedList<AltosMapTypeListener>();
 627                         map_type_listeners.add(l);
 628                 }
 629         }
 630
 631         public static void unregister_map_type_listener(AltosMapTypeListener l) {
 632                 synchronized(backend) {
 633                         map_type_listeners.remove(l);
 634                 }
 635         }
 636 }