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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
 161                 if (backend != null)
 162                         return;
 163
 164                 backend = in_backend;
 165
 166                 /* Initialize logdir from preferences */
 167                 String logdir_string = backend.getString(logdirPreference, null);
 168                 if (logdir_string != null)
 169                         logdir = new File(logdir_string);
 170                 else {
 171                         logdir = new File(backend.homeDirectory(), logdirName);
 172                         if (!logdir.exists())
 173                                 logdir.mkdirs();
 174                 }
 175                 mapdir = new File(logdir, "maps");
 176                 if (!mapdir.exists())
 177                         mapdir.mkdirs();
 178
 179                 frequencies = new Hashtable<Integer, Double>();
 180
 181                 telemetries = new Hashtable<Integer,Integer>();
 182
 183                 telemetry_rates = new Hashtable<Integer,Integer>();
 184
 185                 logfiles = new Hashtable<Integer,File>();
 186
 187                 voice = backend.getBoolean(voicePreference, true);
 188
 189                 callsign = backend.getString(callsignPreference,"N0CALL");
 190
 191                 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 192
 193                 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
 194
 195                 launcher_serial = backend.getInt(launcherSerialPreference, 0);
 196
 197                 launcher_channel = backend.getInt(launcherChannelPreference, 0);
 198
 199                 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
 200                 if (firmwaredir_string != null)
 201                         firmwaredir = new File(firmwaredir_string);
 202                 else
 203                         firmwaredir = null;
 204
 205                 common_frequencies = load_common_frequencies();
 206
 207                 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
 208         }
 209
 210         public static void flush_preferences() {
 211                 backend.flush();
 212         }
 213
 214         public static void set_logdir(File new_logdir) {
 215                 synchronized (backend) {
 216                         logdir = new_logdir;
 217                         mapdir = new File(logdir, "maps");
 218                         if (!mapdir.exists())
 219                                 mapdir.mkdirs();
 220                         backend.putString(logdirPreference, logdir.getPath());
 221                         flush_preferences();
 222                 }
 223         }
 224
 225         public static File logdir() {
 226                 synchronized (backend) {
 227                         return logdir;
 228                 }
 229         }
 230
 231         public static File last_logdir() {
 232                 synchronized (backend) {
 233                         if (last_logdir == null)
 234                                 last_logdir = logdir;
 235                         return last_logdir;
 236                 }
 237         }
 238
 239         public static void set_last_logdir(File file) {
 240                 synchronized(backend) {
 241                         if (file != null && !file.isDirectory())
 242                                 file = file.getParentFile();
 243                         if (file == null)
 244                                 file = new File(".");
 245                         last_logdir = file;
 246                 }
 247         }
 248
 249         public static File mapdir() {
 250                 synchronized (backend) {
 251                         return mapdir;
 252                 }
 253         }
 254
 255         public static void set_frequency(int serial, double new_frequency) {
 256                 synchronized (backend) {
 257                         frequencies.put(serial, new_frequency);
 258                         backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
 259                         flush_preferences();
 260                 }
 261         }
 262
 263         public static double frequency(int serial) {
 264                 synchronized (backend) {
 265                         if (frequencies.containsKey(serial))
 266                                 return frequencies.get(serial);
 267                         double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
 268                         if (frequency == 0.0) {
 269                                 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
 270                                 frequency = AltosConvert.radio_channel_to_frequency(channel);
 271                         }
 272                         frequencies.put(serial, frequency);
 273                         return frequency;
 274                 }
 275         }
 276
 277         public static void set_telemetry(int serial, int new_telemetry) {
 278                 synchronized (backend) {
 279                         telemetries.put(serial, new_telemetry);
 280                         backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
 281                         flush_preferences();
 282                 }
 283         }
 284
 285         public static int telemetry(int serial) {
 286                 synchronized (backend) {
 287                         if (telemetries.containsKey(serial))
 288                                 return telemetries.get(serial);
 289                         int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
 290                                                    AltosLib.ao_telemetry_standard);
 291                         telemetries.put(serial, telemetry);
 292                         return telemetry;
 293                 }
 294         }
 295
 296         public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
 297                 synchronized (backend) {
 298                         telemetry_rates.put(serial, new_telemetry_rate);
 299                         backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
 300                         flush_preferences();
 301                 }
 302         }
 303
 304         public static int telemetry_rate(int serial) {
 305                 synchronized (backend) {
 306                         if (telemetry_rates.containsKey(serial))
 307                                 return telemetry_rates.get(serial);
 308                         int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
 309                                                             AltosLib.ao_telemetry_rate_38400);
 310                         telemetry_rates.put(serial, telemetry_rate);
 311                         return telemetry_rate;
 312                 }
 313         }
 314
 315         public static void set_logfile(int serial, File new_logfile) {
 316                 synchronized(backend) {
 317                         logfiles.put(serial, new_logfile);
 318                         backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
 319                         flush_preferences();
 320                 }
 321         }
 322
 323         public static File logfile(int serial) {
 324                 synchronized(backend) {
 325                         if (logfiles.containsKey(serial))
 326                                 return logfiles.get(serial);
 327                         String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
 328                         if (logfile_string == null)
 329                                 return null;
 330                         File logfile = new File(logfile_string);
 331                         logfiles.put(serial, logfile);
 332                         return logfile;
 333                 }
 334         }
 335
 336         public static void set_scanning_telemetry(int new_scanning_telemetry) {
 337                 synchronized (backend) {
 338                         scanning_telemetry = new_scanning_telemetry;
 339                         backend.putInt(scanningTelemetryPreference, scanning_telemetry);
 340                         flush_preferences();
 341                 }
 342         }
 343
 344         public static int scanning_telemetry() {
 345                 synchronized (backend) {
 346                         return scanning_telemetry;
 347                 }
 348         }
 349
 350         public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
 351                 synchronized (backend) {
 352                         scanning_telemetry_rate = new_scanning_telemetry_rate;
 353                         backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
 354                         flush_preferences();
 355                 }
 356         }
 357
 358         public static int scanning_telemetry_rate() {
 359                 synchronized(backend) {
 360                         return scanning_telemetry_rate;
 361                 }
 362         }
 363
 364         public static void set_voice(boolean new_voice) {
 365                 synchronized (backend) {
 366                         voice = new_voice;
 367                         backend.putBoolean(voicePreference, voice);
 368                         flush_preferences();
 369                 }
 370         }
 371
 372         public static boolean voice() {
 373                 synchronized (backend) {
 374                         return voice;
 375                 }
 376         }
 377
 378         public static void set_callsign(String new_callsign) {
 379                 synchronized(backend) {
 380                         callsign = new_callsign;
 381                         backend.putString(callsignPreference, callsign);
 382                         flush_preferences();
 383                 }
 384         }
 385
 386         public static String callsign() {
 387                 synchronized(backend) {
 388                         return callsign;
 389                 }
 390         }
 391
 392         public static void set_firmwaredir(File new_firmwaredir) {
 393                 synchronized (backend) {
 394                         firmwaredir = new_firmwaredir;
 395                         backend.putString(firmwaredirPreference, firmwaredir.getPath());
 396                         flush_preferences();
 397                 }
 398         }
 399
 400         public static File firmwaredir() {
 401                 synchronized (backend) {
 402                         return firmwaredir;
 403                 }
 404         }
 405
 406         public static void set_launcher_serial(int new_launcher_serial) {
 407                 synchronized (backend) {
 408                         launcher_serial = new_launcher_serial;
 409                         backend.putInt(launcherSerialPreference, launcher_serial);
 410                         flush_preferences();
 411                 }
 412         }
 413
 414         public static int launcher_serial() {
 415                 synchronized (backend) {
 416                         return launcher_serial;
 417                 }
 418         }
 419
 420         public static void set_launcher_channel(int new_launcher_channel) {
 421                 synchronized (backend) {
 422                         launcher_channel = new_launcher_channel;
 423                         backend.putInt(launcherChannelPreference, launcher_channel);
 424                         flush_preferences();
 425                 }
 426         }
 427
 428         public static int launcher_channel() {
 429                 synchronized (backend) {
 430                         return launcher_channel;
 431                 }
 432         }
 433
 434         public static AltosPreferencesBackend bt_devices() {
 435                 synchronized (backend) {
 436                         return backend.node("bt_devices");
 437                 }
 438         }
 439
 440         public static AltosFrequency[] common_frequencies() {
 441                 synchronized (backend) {
 442                         return common_frequencies;
 443                 }
 444         }
 445
 446         public static void set_common_frequencies(AltosFrequency[] frequencies) {
 447                 synchronized(backend) {
 448                         common_frequencies = frequencies;
 449                         save_common_frequencies(frequencies);
 450                         flush_preferences();
 451                 }
 452         }
 453
 454         public static void add_common_frequency(AltosFrequency frequency) {
 455                 AltosFrequency[]        old_frequencies = common_frequencies();
 456                 AltosFrequency[]        new_frequencies = new AltosFrequency[old_frequencies.length + 1];
 457                 int                     i;
 458
 459                 for (i = 0; i < old_frequencies.length; i++) {
 460                         if (frequency.frequency == old_frequencies[i].frequency)
 461                                 return;
 462                         if (frequency.frequency < old_frequencies[i].frequency)
 463                                 break;
 464                         new_frequencies[i] = old_frequencies[i];
 465                 }
 466                 new_frequencies[i] = frequency;
 467                 for (; i < old_frequencies.length; i++)
 468                         new_frequencies[i+1] = old_frequencies[i];
 469                 set_common_frequencies(new_frequencies);
 470         }
 471
 472         static LinkedList<AltosUnitsListener> units_listeners;
 473
 474         public static boolean imperial_units() {
 475                 synchronized(backend) {
 476                         return AltosConvert.imperial_units;
 477                 }
 478         }
 479
 480         public static void set_imperial_units(boolean imperial_units) {
 481                 synchronized (backend) {
 482                         AltosConvert.imperial_units = imperial_units;
 483                         backend.putBoolean(unitsPreference, imperial_units);
 484                         flush_preferences();
 485                 }
 486                 if (units_listeners != null) {
 487                         for (AltosUnitsListener l : units_listeners) {
 488                                 l.units_changed(imperial_units);
 489                         }
 490                 }
 491         }
 492
 493         public static void register_units_listener(AltosUnitsListener l) {
 494                 synchronized(backend) {
 495                         if (units_listeners == null)
 496                                 units_listeners = new LinkedList<AltosUnitsListener>();
 497                         units_listeners.add(l);
 498                 }
 499         }
 500
 501         public static void unregister_units_listener(AltosUnitsListener l) {
 502                 synchronized(backend) {
 503                         units_listeners.remove(l);
 504                 }
 505         }
 506 }