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_7;
  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
 120         /* Units preference */
 121
 122         public final static String      unitsPreference = "IMPERIAL-UNITS";
 123
 124         /* Maps cache size preference name */
 125         final static String mapCachePreference = "MAP-CACHE";
 126
 127         static LinkedList<AltosMapCacheListener> map_cache_listeners;
 128
 129         public static int map_cache = 9;
 130
 131         public static AltosFrequency[] load_common_frequencies() {
 132                 AltosFrequency[] frequencies = null;
 133                 boolean existing = false;
 134                 existing = backend.nodeExists(common_frequencies_node_name);
 135
 136                 if (existing) {
 137                         AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 138                         int             count = node.getInt(frequency_count, 0);
 139
 140                         frequencies = new AltosFrequency[count];
 141                         for (int i = 0; i < count; i++) {
 142                                 double  frequency;
 143                                 String  description;
 144
 145                                 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 146                                 description = node.getString(String.format(description_format, i), null);
 147                                 frequencies[i] = new AltosFrequency(frequency, description);
 148                         }
 149                 } else {
 150                         frequencies = new AltosFrequency[10];
 151                         for (int i = 0; i < 10; i++) {
 152                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 153                                                                            String.format("Channel %d", i));
 154                         }
 155                 }
 156                 return frequencies;
 157         }
 158
 159         public static void save_common_frequencies(AltosFrequency[] frequencies) {
 160                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 161
 162                 node.putInt(frequency_count, frequencies.length);
 163                 for (int i = 0; i < frequencies.length; i++) {
 164                         node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
 165                         node.putString(String.format(description_format, i), frequencies[i].description);
 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         }
 225
 226         public static void flush_preferences() {
 227                 backend.flush();
 228         }
 229
 230         public static void set_logdir(File new_logdir) {
 231                 synchronized (backend) {
 232                         logdir = new_logdir;
 233                         mapdir = new File(logdir, "maps");
 234                         if (!mapdir.exists())
 235                                 mapdir.mkdirs();
 236                         backend.putString(logdirPreference, logdir.getPath());
 237                         flush_preferences();
 238                 }
 239         }
 240
 241         public static File logdir() {
 242                 synchronized (backend) {
 243                         return logdir;
 244                 }
 245         }
 246
 247         public static File last_logdir() {
 248                 synchronized (backend) {
 249                         if (last_logdir == null)
 250                                 last_logdir = logdir;
 251                         return last_logdir;
 252                 }
 253         }
 254
 255         public static void set_last_logdir(File file) {
 256                 synchronized(backend) {
 257                         if (file != null && !file.isDirectory())
 258                                 file = file.getParentFile();
 259                         if (file == null)
 260                                 file = new File(".");
 261                         last_logdir = file;
 262                 }
 263         }
 264
 265         public static File mapdir() {
 266                 synchronized (backend) {
 267                         return mapdir;
 268                 }
 269         }
 270
 271         public static void set_frequency(int serial, double new_frequency) {
 272                 synchronized (backend) {
 273                         frequencies.put(serial, new_frequency);
 274                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 275                         flush_preferences();
 276                 }
 277         }
 278
 279         public static double frequency(int serial) {
 280                 synchronized (backend) {
 281                         if (frequencies.containsKey(serial))
 282                                 return frequencies.get(serial);
 283                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 284                         if (frequency == 0.0) {
 285                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 286                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 287                         }
 288                         frequencies.put(serial, frequency);
 289                         return frequency;
 290                 }
 291         }
 292
 293         public static void set_telemetry(int serial, int new_telemetry) {
 294                 synchronized (backend) {
 295                         telemetries.put(serial, new_telemetry);
 296                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 297                         flush_preferences();
 298                 }
 299         }
 300
 301         public static int telemetry(int serial) {
 302                 synchronized (backend) {
 303                         if (telemetries.containsKey(serial))
 304                                 return telemetries.get(serial);
 305                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 306                                                    AltosLib.ao_telemetry_standard);
 307                         telemetries.put(serial, telemetry);
 308                         return telemetry;
 309                 }
 310         }
 311
 312         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 313                 synchronized (backend) {
 314                         telemetry_rates.put(serial, new_telemetry_rate);
 315                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 316                         flush_preferences();
 317                 }
 318         }
 319
 320         public static int telemetry_rate(int serial) {
 321                 synchronized (backend) {
 322                         if (telemetry_rates.containsKey(serial))
 323                                 return telemetry_rates.get(serial);
 324                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 325                                                             AltosLib.ao_telemetry_rate_38400);
 326                         telemetry_rates.put(serial, telemetry_rate);
 327                         return telemetry_rate;
 328                 }
 329         }
 330
 331         public static void set_logfile(int serial, File new_logfile) {
 332                 synchronized(backend) {
 333                         logfiles.put(serial, new_logfile);
 334                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 335                         flush_preferences();
 336                 }
 337         }
 338
 339         public static File logfile(int serial) {
 340                 synchronized(backend) {
 341                         if (logfiles.containsKey(serial))
 342                                 return logfiles.get(serial);
 343                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 344                         if (logfile_string == null)
 345                                 return null;
 346                         File logfile = new File(logfile_string);
 347                         logfiles.put(serial, logfile);
 348                         return logfile;
 349                 }
 350         }
 351
 352         public static void set_state(int serial, AltosState state, AltosListenerState listener_state) {
 353
 354                 ByteArrayOutputStream baos = new ByteArrayOutputStream();
 355
 356                 try {
 357                         ObjectOutputStream oos = new ObjectOutputStream(baos);
 358
 359                         AltosSavedState saved_state = new AltosSavedState(state, listener_state);
 360                         oos.writeObject(saved_state);
 361
 362                         byte[] bytes = baos.toByteArray();
 363
 364                         synchronized(backend) {
 365                                 backend.putBytes(String.format(statePreferenceFormat, serial), bytes);
 366                                 backend.putInt(statePreferenceLatest, serial);
 367                                 flush_preferences();
 368                         }
 369                 } catch (IOException ie) {
 370                 }
 371         }
 372
 373         public static ArrayList<Integer> list_states() {
 374                 String[]                keys = backend.keys();
 375                 ArrayList<Integer>      states = new ArrayList<Integer>();
 376
 377                 for (String key : keys) {
 378                         if (key.startsWith(statePreferenceHead)) {
 379                                 try {
 380                                         int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
 381                                         states.add(serial);
 382                                 } catch (ParseException pe) {
 383                                 }
 384                         }
 385                 }
 386                 return states;
 387         }
 388
 389         public static void remove_state(int serial) {
 390                 synchronized(backend) {
 391                         backend.remove(String.format(statePreferenceFormat, serial));
 392                 }
 393         }
 394
 395         public static int latest_state() {
 396                 int     latest = 0;
 397                 synchronized (backend) {
 398                         latest = backend.getInt(statePreferenceLatest, 0);
 399                 }
 400                 return latest;
 401         }
 402
 403         public static AltosSavedState state(int serial) {
 404                 byte[] bytes = null;
 405
 406                 synchronized(backend) {
 407                         bytes = backend.getBytes(String.format(statePreferenceFormat, serial), null);
 408                 }
 409
 410                 if (bytes == null)
 411                         return null;
 412
 413                 ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
 414
 415                 try {
 416                         ObjectInputStream ois = new ObjectInputStream(bais);
 417                         AltosSavedState saved_state = (AltosSavedState) ois.readObject();
 418                         return saved_state;
 419                 } catch (IOException ie) {
 420                 } catch (ClassNotFoundException ce) {
 421                 }
 422                 return null;
 423         }
 424
 425         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 426                 synchronized (backend) {
 427                         scanning_telemetry = new_scanning_telemetry;
 428                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 429                         flush_preferences();
 430                 }
 431         }
 432
 433         public static int scanning_telemetry() {
 434                 synchronized (backend) {
 435                         return scanning_telemetry;
 436                 }
 437         }
 438
 439         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 440                 synchronized (backend) {
 441                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 442                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 443                         flush_preferences();
 444                 }
 445         }
 446
 447         public static int scanning_telemetry_rate() {
 448                 synchronized(backend) {
 449                         return scanning_telemetry_rate;
 450                 }
 451         }
 452
 453         public static void set_voice(boolean new_voice) {
 454                 synchronized (backend) {
 455                         voice = new_voice;
 456                         backend.putBoolean(voicePreference, voice);
 457                         flush_preferences();
 458                 }
 459         }
 460
 461         public static boolean voice() {
 462                 synchronized (backend) {
 463                         return voice;
 464                 }
 465         }
 466
 467         public static void set_callsign(String new_callsign) {
 468                 synchronized(backend) {
 469                         callsign = new_callsign;
 470                         backend.putString(callsignPreference, callsign);
 471                         flush_preferences();
 472                 }
 473         }
 474
 475         public static String callsign() {
 476                 synchronized(backend) {
 477                         return callsign;
 478                 }
 479         }
 480
 481         public static void set_firmwaredir(File new_firmwaredir) {
 482                 synchronized (backend) {
 483                         firmwaredir = new_firmwaredir;
 484                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 485                         flush_preferences();
 486                 }
 487         }
 488
 489         public static File firmwaredir() {
 490                 synchronized (backend) {
 491                         return firmwaredir;
 492                 }
 493         }
 494
 495         public static void set_launcher_serial(int new_launcher_serial) {
 496                 synchronized (backend) {
 497                         launcher_serial = new_launcher_serial;
 498                         backend.putInt(launcherSerialPreference, launcher_serial);
 499                         flush_preferences();
 500                 }
 501         }
 502
 503         public static int launcher_serial() {
 504                 synchronized (backend) {
 505                         return launcher_serial;
 506                 }
 507         }
 508
 509         public static void set_launcher_channel(int new_launcher_channel) {
 510                 synchronized (backend) {
 511                         launcher_channel = new_launcher_channel;
 512                         backend.putInt(launcherChannelPreference, launcher_channel);
 513                         flush_preferences();
 514                 }
 515         }
 516
 517         public static int launcher_channel() {
 518                 synchronized (backend) {
 519                         return launcher_channel;
 520                 }
 521         }
 522
 523         public static AltosPreferencesBackend bt_devices() {
 524                 synchronized (backend) {
 525                         return backend.node("bt_devices");
 526                 }
 527         }
 528
 529         public static AltosFrequency[] common_frequencies() {
 530                 synchronized (backend) {
 531                         return common_frequencies;
 532                 }
 533         }
 534
 535         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 536                 synchronized(backend) {
 537                         common_frequencies = frequencies;
 538                         save_common_frequencies(frequencies);
 539                         flush_preferences();
 540                 }
 541         }
 542
 543         public static void add_common_frequency(AltosFrequency frequency) {
 544                 AltosFrequency[]        old_frequencies = common_frequencies();
 545                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 546                 int                     i;
 547
 548                 for (i = 0; i < old_frequencies.length; i++) {
 549                         if (frequency.frequency == old_frequencies[i].frequency)
 550                                 return;
 551                         if (frequency.frequency < old_frequencies[i].frequency)
 552                                 break;
 553                         new_frequencies[i] = old_frequencies[i];
 554                 }
 555                 new_frequencies[i] = frequency;
 556                 for (; i < old_frequencies.length; i++)
 557                         new_frequencies[i+1] = old_frequencies[i];
 558                 set_common_frequencies(new_frequencies);
 559         }
 560
 561         static LinkedList<AltosUnitsListener> units_listeners;
 562
 563         public static boolean imperial_units() {
 564                 synchronized(backend) {
 565                         return AltosConvert.imperial_units;
 566                 }
 567         }
 568
 569         public static void set_imperial_units(boolean imperial_units) {
 570                 synchronized (backend) {
 571                         AltosConvert.imperial_units = imperial_units;
 572                         backend.putBoolean(unitsPreference, imperial_units);
 573                         flush_preferences();
 574                 }
 575                 if (units_listeners != null) {
 576                         for (AltosUnitsListener l : units_listeners) {
 577                                 l.units_changed(imperial_units);
 578                         }
 579                 }
 580         }
 581
 582         public static void register_units_listener(AltosUnitsListener l) {
 583                 synchronized(backend) {
 584                         if (units_listeners == null)
 585                                 units_listeners = new LinkedList<AltosUnitsListener>();
 586                         units_listeners.add(l);
 587                 }
 588         }
 589
 590         public static void unregister_units_listener(AltosUnitsListener l) {
 591                 synchronized(backend) {
 592                         units_listeners.remove(l);
 593                 }
 594         }
 595
 596
 597         public static void register_map_cache_listener(AltosMapCacheListener l) {
 598                 synchronized(backend) {
 599                         map_cache_listeners.add(l);
 600                 }
 601         }
 602
 603         public static void unregister_map_cache_listener(AltosMapCacheListener l) {
 604                 synchronized (backend) {
 605                         map_cache_listeners.remove(l);
 606                 }
 607         }
 608
 609         public static void set_map_cache(int new_map_cache) {
 610                 synchronized(backend) {
 611                         map_cache = new_map_cache;
 612                         backend.putInt(mapCachePreference, map_cache);
 613                         flush_preferences();
 614                         for (AltosMapCacheListener l: map_cache_listeners)
 615                                 l.map_cache_changed(map_cache);
 616                 }
 617         }
 618
 619         public static int map_cache() {
 620                 synchronized(backend) {
 621                         return map_cache;
 622                 }
 623         }
 624 }