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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(int serial, AltosState state, AltosListenerState listener_state) {
 354
 355                 synchronized(backend) {
 356                         backend.putSerializable(String.format(statePreferenceFormat, serial),
 357                                                 new AltosSavedState(state, listener_state));
 358                         backend.putInt(statePreferenceLatest, serial);
 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 AltosSavedState state(int serial) {
 393                 synchronized(backend) {
 394                         return (AltosSavedState) backend.getSerializable(String.format(statePreferenceFormat, serial), null);
 395                 }
 396         }
 397
 398         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 399                 synchronized (backend) {
 400                         scanning_telemetry = new_scanning_telemetry;
 401                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 402                         flush_preferences();
 403                 }
 404         }
 405
 406         public static int scanning_telemetry() {
 407                 synchronized (backend) {
 408                         return scanning_telemetry;
 409                 }
 410         }
 411
 412         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 413                 synchronized (backend) {
 414                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 415                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 416                         flush_preferences();
 417                 }
 418         }
 419
 420         public static int scanning_telemetry_rate() {
 421                 synchronized(backend) {
 422                         return scanning_telemetry_rate;
 423                 }
 424         }
 425
 426         public static void set_voice(boolean new_voice) {
 427                 synchronized (backend) {
 428                         voice = new_voice;
 429                         backend.putBoolean(voicePreference, voice);
 430                         flush_preferences();
 431                 }
 432         }
 433
 434         public static boolean voice() {
 435                 synchronized (backend) {
 436                         return voice;
 437                 }
 438         }
 439
 440         public static void set_callsign(String new_callsign) {
 441                 synchronized(backend) {
 442                         callsign = new_callsign;
 443                         backend.putString(callsignPreference, callsign);
 444                         flush_preferences();
 445                 }
 446         }
 447
 448         public static String callsign() {
 449                 synchronized(backend) {
 450                         return callsign;
 451                 }
 452         }
 453
 454         public static void set_firmwaredir(File new_firmwaredir) {
 455                 synchronized (backend) {
 456                         firmwaredir = new_firmwaredir;
 457                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 458                         flush_preferences();
 459                 }
 460         }
 461
 462         public static File firmwaredir() {
 463                 synchronized (backend) {
 464                         return firmwaredir;
 465                 }
 466         }
 467
 468         public static void set_launcher_serial(int new_launcher_serial) {
 469                 synchronized (backend) {
 470                         launcher_serial = new_launcher_serial;
 471                         backend.putInt(launcherSerialPreference, launcher_serial);
 472                         flush_preferences();
 473                 }
 474         }
 475
 476         public static int launcher_serial() {
 477                 synchronized (backend) {
 478                         return launcher_serial;
 479                 }
 480         }
 481
 482         public static void set_launcher_channel(int new_launcher_channel) {
 483                 synchronized (backend) {
 484                         launcher_channel = new_launcher_channel;
 485                         backend.putInt(launcherChannelPreference, launcher_channel);
 486                         flush_preferences();
 487                 }
 488         }
 489
 490         public static int launcher_channel() {
 491                 synchronized (backend) {
 492                         return launcher_channel;
 493                 }
 494         }
 495
 496         public static AltosPreferencesBackend bt_devices() {
 497                 synchronized (backend) {
 498                         return backend.node("bt_devices");
 499                 }
 500         }
 501
 502         public static AltosFrequency[] common_frequencies() {
 503                 synchronized (backend) {
 504                         return common_frequencies;
 505                 }
 506         }
 507
 508         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 509                 synchronized(backend) {
 510                         common_frequencies = frequencies;
 511                         backend.putSerializable(frequenciesPreference, frequencies);
 512                         flush_preferences();
 513                 }
 514         }
 515
 516         public static void add_common_frequency(AltosFrequency frequency) {
 517                 AltosFrequency[]        old_frequencies = common_frequencies();
 518                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 519                 int                     i;
 520
 521                 for (i = 0; i < old_frequencies.length; i++) {
 522                         if (frequency.frequency == old_frequencies[i].frequency)
 523                                 return;
 524                         if (frequency.frequency < old_frequencies[i].frequency)
 525                                 break;
 526                         new_frequencies[i] = old_frequencies[i];
 527                 }
 528                 new_frequencies[i] = frequency;
 529                 for (; i < old_frequencies.length; i++)
 530                         new_frequencies[i+1] = old_frequencies[i];
 531                 set_common_frequencies(new_frequencies);
 532         }
 533
 534         static LinkedList<AltosUnitsListener> units_listeners;
 535
 536         public static boolean imperial_units() {
 537                 synchronized(backend) {
 538                         return AltosConvert.imperial_units;
 539                 }
 540         }
 541
 542         public static void set_imperial_units(boolean imperial_units) {
 543                 synchronized (backend) {
 544                         AltosConvert.imperial_units = imperial_units;
 545                         backend.putBoolean(unitsPreference, imperial_units);
 546                         flush_preferences();
 547                 }
 548                 if (units_listeners != null) {
 549                         for (AltosUnitsListener l : units_listeners) {
 550                                 l.units_changed(imperial_units);
 551                         }
 552                 }
 553         }
 554
 555         public static void register_units_listener(AltosUnitsListener l) {
 556                 synchronized(backend) {
 557                         if (units_listeners == null)
 558                                 units_listeners = new LinkedList<AltosUnitsListener>();
 559                         units_listeners.add(l);
 560                 }
 561         }
 562
 563         public static void unregister_units_listener(AltosUnitsListener l) {
 564                 synchronized(backend) {
 565                         units_listeners.remove(l);
 566                 }
 567         }
 568
 569
 570         public static void register_map_cache_listener(AltosMapCacheListener l) {
 571                 synchronized(backend) {
 572                         map_cache_listeners.add(l);
 573                 }
 574         }
 575
 576         public static void unregister_map_cache_listener(AltosMapCacheListener l) {
 577                 synchronized (backend) {
 578                         map_cache_listeners.remove(l);
 579                 }
 580         }
 581
 582         public static void set_map_cache(int new_map_cache) {
 583                 synchronized(backend) {
 584                         map_cache = new_map_cache;
 585                         backend.putInt(mapCachePreference, map_cache);
 586                         flush_preferences();
 587                         for (AltosMapCacheListener l: map_cache_listeners)
 588                                 l.map_cache_changed(map_cache);
 589                 }
 590         }
 591
 592         public static int map_cache() {
 593                 synchronized(backend) {
 594                         return map_cache;
 595                 }
 596         }
 597
 598         static LinkedList<AltosMapTypeListener> map_type_listeners;
 599
 600         public static void set_map_type(int map_type) {
 601                 synchronized(backend) {
 602                         AltosPreferences.map_type = map_type;
 603                         backend.putInt(mapTypePreference, map_type);
 604                         flush_preferences();
 605                 }
 606                 if (map_type_listeners != null) {
 607                         for (AltosMapTypeListener l : map_type_listeners) {
 608                                 l.map_type_changed(map_type);
 609                         }
 610                 }
 611         }
 612
 613         public static int map_type() {
 614                 synchronized(backend) {
 615                         return map_type;
 616                 }
 617         }
 618
 619         public static void register_map_type_listener(AltosMapTypeListener l) {
 620                 synchronized(backend) {
 621                         if (map_type_listeners == null)
 622                                 map_type_listeners = new LinkedList<AltosMapTypeListener>();
 623                         map_type_listeners.add(l);
 624                 }
 625         }
 626
 627         public static void unregister_map_type_listener(AltosMapTypeListener l) {
 628                 synchronized(backend) {
 629                         map_type_listeners.remove(l);
 630                 }
 631         }
 632 }