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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_5;
  19
  20 import java.io.*;
  21 import java.util.*;
  22
  23 public class AltosPreferences {
  24         public static AltosPreferencesBackend backend = null;
  25
  26         /* logdir preference name */
  27         public final static String logdirPreference = "LOGDIR";
  28
  29         /* channel preference name */
  30         public final static String channelPreferenceFormat = "CHANNEL-%d";
  31
  32         /* frequency preference name */
  33         public final static String frequencyPreferenceFormat = "FREQUENCY-%d";
  34
  35         /* telemetry format preference name */
  36         public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
  37
  38         /* telemetry rate format preference name */
  39         public final static String telemetryRatePreferenceFormat = "RATE-%d";
  40
  41         /* log file format preference name */
  42         public final static String logfilePreferenceFormat = "LOGFILE-%d";
  43
  44         /* voice preference name */
  45         public final static String voicePreference = "VOICE";
  46
  47         /* callsign preference name */
  48         public final static String callsignPreference = "CALLSIGN";
  49
  50         /* firmware directory preference name */
  51         public final static String firmwaredirPreference = "FIRMWARE";
  52
  53         /* serial debug preference name */
  54         public final static String serialDebugPreference = "SERIAL-DEBUG";
  55
  56         /* scanning telemetry preferences name */
  57         public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
  58
  59         /* scanning telemetry rate preferences name */
  60         public final static String scanningTelemetryRatePreference = "SCANNING-RATE";
  61
  62         /* Launcher serial preference name */
  63         public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
  64
  65         /* Launcher channel preference name */
  66         public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
  67
  68         /* Default logdir is ~/TeleMetrum */
  69         public final static String logdirName = "TeleMetrum";
  70
  71         /* Log directory */
  72         public static File logdir;
  73
  74         /* Last log directory - use this next time we open or save something */
  75         public static File last_logdir;
  76
  77         /* Map directory -- hangs of logdir */
  78         public static File mapdir;
  79
  80         /* Frequency (map serial to frequency) */
  81         public static Hashtable<Integer, Double> frequencies;
  82
  83         /* Telemetry (map serial to telemetry format) */
  84         public static Hashtable<Integer, Integer> telemetries;
  85
  86         /* Telemetry rate (map serial to telemetry format) */
  87         public static Hashtable<Integer, Integer> telemetry_rates;
  88
  89         /* Log file (map serial to logfile name) */
  90         public static Hashtable<Integer, File> logfiles;
  91
  92         /* Voice preference */
  93         public static boolean voice;
  94
  95         /* Callsign preference */
  96         public static String callsign;
  97
  98         /* Firmware directory */
  99         public static File firmwaredir;
 100
 101         /* Scanning telemetry */
 102         public static int scanning_telemetry;
 103
 104         public static int scanning_telemetry_rate;
 105
 106         /* List of frequencies */
 107         public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
 108         public static AltosFrequency[] common_frequencies;
 109
 110         public final static String      frequency_count = "COUNT";
 111         public final static String      frequency_format = "FREQUENCY-%d";
 112         public final static String      description_format = "DESCRIPTION-%d";
 113
 114         /* Units preference */
 115
 116         public final static String      unitsPreference = "IMPERIAL-UNITS";
 117
 118         public static AltosFrequency[] load_common_frequencies() {
 119                 AltosFrequency[] frequencies = null;
 120                 boolean existing = false;
 121                 existing = backend.nodeExists(common_frequencies_node_name);
 122
 123                 if (existing) {
 124                         AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 125                         int             count = node.getInt(frequency_count, 0);
 126
 127                         frequencies = new AltosFrequency[count];
 128                         for (int i = 0; i < count; i++) {
 129                                 double  frequency;
 130                                 String  description;
 131
 132                                 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
 133                                 description = node.getString(String.format(description_format, i), null);
 134                                 frequencies[i] = new AltosFrequency(frequency, description);
 135                         }
 136                 } else {
 137                         frequencies = new AltosFrequency[10];
 138                         for (int i = 0; i < 10; i++) {
 139                                 frequencies[i] = new AltosFrequency(434.550 + i * .1,
 140                                                                            String.format("Channel %d", i));
 141                         }
 142                 }
 143                 return frequencies;
 144         }
 145
 146         public static void save_common_frequencies(AltosFrequency[] frequencies) {
 147                 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
 148
 149                 node.putInt(frequency_count, frequencies.length);
 150                 for (int i = 0; i < frequencies.length; i++) {
 151                         node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
 152                         node.putString(String.format(description_format, i), frequencies[i].description);
 153                 }
 154         }
 155         public static int launcher_serial;
 156
 157         public static int launcher_channel;
 158
 159         public static void init(AltosPreferencesBackend in_backend) {
 160                 backend = in_backend;
 161
 162                 /* Initialize logdir from preferences */
 163                 String logdir_string = backend.getString(logdirPreference, null);
 164                 if (logdir_string != null)
 165                         logdir = new File(logdir_string);
 166                 else {
 167                         logdir = new File(backend.homeDirectory(), logdirName);
 168                         if (!logdir.exists())
 169                                 logdir.mkdirs();
 170                 }
 171                 mapdir = new File(logdir, "maps");
 172                 if (!mapdir.exists())
 173                         mapdir.mkdirs();
 174
 175                 frequencies = new Hashtable<Integer, Double>();
 176
 177                 telemetries = new Hashtable<Integer,Integer>();
 178
 179                 telemetry_rates = new Hashtable<Integer,Integer>();
 180
 181                 logfiles = new Hashtable<Integer,File>();
 182
 183                 voice = backend.getBoolean(voicePreference, true);
 184
 185                 callsign = backend.getString(callsignPreference,"N0CALL");
 186
 187                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 188
 189                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 190
 191                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 192
 193                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 194
 195                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 196                 if (firmwaredir_string != null)
 197                         firmwaredir = new File(firmwaredir_string);
 198                 else
 199                         firmwaredir = null;
 200
 201                 common_frequencies = load_common_frequencies();
 202
 203                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 204         }
 205
 206         public static void flush_preferences() {
 207                 backend.flush();
 208         }
 209
 210         public static void set_logdir(File new_logdir) {
 211                 synchronized (backend) {
 212                         logdir = new_logdir;
 213                         mapdir = new File(logdir, "maps");
 214                         if (!mapdir.exists())
 215                                 mapdir.mkdirs();
 216                         backend.putString(logdirPreference, logdir.getPath());
 217                         flush_preferences();
 218                 }
 219         }
 220
 221         public static File logdir() {
 222                 synchronized (backend) {
 223                         return logdir;
 224                 }
 225         }
 226
 227         public static File last_logdir() {
 228                 synchronized (backend) {
 229                         if (last_logdir == null)
 230                                 last_logdir = logdir;
 231                         return last_logdir;
 232                 }
 233         }
 234
 235         public static void set_last_logdir(File file) {
 236                 synchronized(backend) {
 237                         if (file != null && !file.isDirectory())
 238                                 file = file.getParentFile();
 239                         if (file == null)
 240                                 file = new File(".");
 241                         last_logdir = file;
 242                 }
 243         }
 244
 245         public static File mapdir() {
 246                 synchronized (backend) {
 247                         return mapdir;
 248                 }
 249         }
 250
 251         public static void set_frequency(int serial, double new_frequency) {
 252                 synchronized (backend) {
 253                         frequencies.put(serial, new_frequency);
 254                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 255                         flush_preferences();
 256                 }
 257         }
 258
 259         public static double frequency(int serial) {
 260                 synchronized (backend) {
 261                         if (frequencies.containsKey(serial))
 262                                 return frequencies.get(serial);
 263                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 264                         if (frequency == 0.0) {
 265                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 266                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 267                         }
 268                         frequencies.put(serial, frequency);
 269                         return frequency;
 270                 }
 271         }
 272
 273         public static void set_telemetry(int serial, int new_telemetry) {
 274                 synchronized (backend) {
 275                         telemetries.put(serial, new_telemetry);
 276                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 277                         flush_preferences();
 278                 }
 279         }
 280
 281         public static int telemetry(int serial) {
 282                 synchronized (backend) {
 283                         if (telemetries.containsKey(serial))
 284                                 return telemetries.get(serial);
 285                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 286                                                    AltosLib.ao_telemetry_standard);
 287                         telemetries.put(serial, telemetry);
 288                         return telemetry;
 289                 }
 290         }
 291
 292         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 293                 synchronized (backend) {
 294                         telemetry_rates.put(serial, new_telemetry_rate);
 295                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 296                         flush_preferences();
 297                 }
 298         }
 299
 300         public static int telemetry_rate(int serial) {
 301                 synchronized (backend) {
 302                         if (telemetry_rates.containsKey(serial))
 303                                 return telemetry_rates.get(serial);
 304                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 305                                                             AltosLib.ao_telemetry_rate_38400);
 306                         telemetry_rates.put(serial, telemetry_rate);
 307                         return telemetry_rate;
 308                 }
 309         }
 310
 311         public static void set_logfile(int serial, File new_logfile) {
 312                 synchronized(backend) {
 313                         logfiles.put(serial, new_logfile);
 314                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 315                         flush_preferences();
 316                 }
 317         }
 318
 319         public static File logfile(int serial) {
 320                 synchronized(backend) {
 321                         if (logfiles.containsKey(serial))
 322                                 return logfiles.get(serial);
 323                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 324                         if (logfile_string == null)
 325                                 return null;
 326                         File logfile = new File(logfile_string);
 327                         logfiles.put(serial, logfile);
 328                         return logfile;
 329                 }
 330         }
 331
 332         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 333                 synchronized (backend) {
 334                         scanning_telemetry = new_scanning_telemetry;
 335                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 336                         flush_preferences();
 337                 }
 338         }
 339
 340         public static int scanning_telemetry() {
 341                 synchronized (backend) {
 342                         return scanning_telemetry;
 343                 }
 344         }
 345
 346         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 347                 synchronized (backend) {
 348                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 349                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 350                         flush_preferences();
 351                 }
 352         }
 353
 354         public static int scanning_telemetry_rate() {
 355                 synchronized(backend) {
 356                         return scanning_telemetry_rate;
 357                 }
 358         }
 359
 360         public static void set_voice(boolean new_voice) {
 361                 synchronized (backend) {
 362                         voice = new_voice;
 363                         backend.putBoolean(voicePreference, voice);
 364                         flush_preferences();
 365                 }
 366         }
 367
 368         public static boolean voice() {
 369                 synchronized (backend) {
 370                         return voice;
 371                 }
 372         }
 373
 374         public static void set_callsign(String new_callsign) {
 375                 synchronized(backend) {
 376                         callsign = new_callsign;
 377                         backend.putString(callsignPreference, callsign);
 378                         flush_preferences();
 379                 }
 380         }
 381
 382         public static String callsign() {
 383                 synchronized(backend) {
 384                         return callsign;
 385                 }
 386         }
 387
 388         public static void set_firmwaredir(File new_firmwaredir) {
 389                 synchronized (backend) {
 390                         firmwaredir = new_firmwaredir;
 391                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 392                         flush_preferences();
 393                 }
 394         }
 395
 396         public static File firmwaredir() {
 397                 synchronized (backend) {
 398                         return firmwaredir;
 399                 }
 400         }
 401
 402         public static void set_launcher_serial(int new_launcher_serial) {
 403                 synchronized (backend) {
 404                         launcher_serial = new_launcher_serial;
 405                         backend.putInt(launcherSerialPreference, launcher_serial);
 406                         flush_preferences();
 407                 }
 408         }
 409
 410         public static int launcher_serial() {
 411                 synchronized (backend) {
 412                         return launcher_serial;
 413                 }
 414         }
 415
 416         public static void set_launcher_channel(int new_launcher_channel) {
 417                 synchronized (backend) {
 418                         launcher_channel = new_launcher_channel;
 419                         backend.putInt(launcherChannelPreference, launcher_channel);
 420                         flush_preferences();
 421                 }
 422         }
 423
 424         public static int launcher_channel() {
 425                 synchronized (backend) {
 426                         return launcher_channel;
 427                 }
 428         }
 429
 430         public static AltosPreferencesBackend bt_devices() {
 431                 synchronized (backend) {
 432                         return backend.node("bt_devices");
 433                 }
 434         }
 435
 436         public static AltosFrequency[] common_frequencies() {
 437                 synchronized (backend) {
 438                         return common_frequencies;
 439                 }
 440         }
 441
 442         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 443                 synchronized(backend) {
 444                         common_frequencies = frequencies;
 445                         save_common_frequencies(frequencies);
 446                         flush_preferences();
 447                 }
 448         }
 449
 450         public static void add_common_frequency(AltosFrequency frequency) {
 451                 AltosFrequency[]        old_frequencies = common_frequencies();
 452                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 453                 int                     i;
 454
 455                 for (i = 0; i < old_frequencies.length; i++) {
 456                         if (frequency.frequency == old_frequencies[i].frequency)
 457                                 return;
 458                         if (frequency.frequency < old_frequencies[i].frequency)
 459                                 break;
 460                         new_frequencies[i] = old_frequencies[i];
 461                 }
 462                 new_frequencies[i] = frequency;
 463                 for (; i < old_frequencies.length; i++)
 464                         new_frequencies[i+1] = old_frequencies[i];
 465                 set_common_frequencies(new_frequencies);
 466         }
 467
 468         static LinkedList<AltosUnitsListener> units_listeners;
 469
 470         public static boolean imperial_units() {
 471                 synchronized(backend) {
 472                         return AltosConvert.imperial_units;
 473                 }
 474         }
 475
 476         public static void set_imperial_units(boolean imperial_units) {
 477                 synchronized (backend) {
 478                         AltosConvert.imperial_units = imperial_units;
 479                         backend.putBoolean(unitsPreference, imperial_units);
 480                         flush_preferences();
 481                 }
 482                 if (units_listeners != null) {
 483                         for (AltosUnitsListener l : units_listeners) {
 484                                 l.units_changed(imperial_units);
 485                         }
 486                 }
 487         }
 488
 489         public static void register_units_listener(AltosUnitsListener l) {
 490                 synchronized(backend) {
 491                         if (units_listeners == null)
 492                                 units_listeners = new LinkedList<AltosUnitsListener>();
 493                         units_listeners.add(l);
 494                 }
 495         }
 496
 497         public static void unregister_units_listener(AltosUnitsListener l) {
 498                 synchronized(backend) {
 499                         units_listeners.remove(l);
 500                 }
 501         }
 502 }