2 * Copyright © 2010 Keith Packard <keithp@keithp.com>
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.
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.
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.
18 package org.altusmetrum.altoslib_10;
24 public class AltosPreferences {
25 public static AltosPreferencesBackend backend = null;
27 /* logdir preference name */
28 public final static String logdirPreference = "LOGDIR";
30 /* channel preference name */
31 public final static String channelPreferenceFormat = "CHANNEL-%d";
33 /* frequency preference name */
34 public final static String frequencyPreferenceFormat = "FREQUENCY-%d";
36 /* telemetry format preference name */
37 public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
39 /* telemetry rate format preference name */
40 public final static String telemetryRatePreferenceFormat = "RATE-%d";
42 /* log file format preference name */
43 public final static String logfilePreferenceFormat = "LOGFILE-%d";
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";
50 /* voice preference name */
51 public final static String voicePreference = "VOICE";
53 /* callsign preference name */
54 public final static String callsignPreference = "CALLSIGN";
56 /* firmware directory preference name */
57 public final static String firmwaredirPreference = "FIRMWARE";
59 /* serial debug preference name */
60 public final static String serialDebugPreference = "SERIAL-DEBUG";
62 /* scanning telemetry preferences name */
63 public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
65 /* scanning telemetry rate preferences name */
66 public final static String scanningTelemetryRatePreference = "SCANNING-RATE";
68 /* Launcher serial preference name */
69 public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
71 /* Launcher channel preference name */
72 public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
74 /* Default logdir is ~/TeleMetrum */
75 public final static String logdirName = "TeleMetrum";
78 public static File logdir;
80 /* Last log directory - use this next time we open or save something */
81 public static File last_logdir;
83 /* Map directory -- hangs of logdir */
84 public static File mapdir;
86 /* Frequency (map serial to frequency) */
87 public static Hashtable<Integer, Double> frequencies;
89 /* Telemetry (map serial to telemetry format) */
90 public static Hashtable<Integer, Integer> telemetries;
92 /* Telemetry rate (map serial to telemetry format) */
93 public static Hashtable<Integer, Integer> telemetry_rates;
95 /* Log file (map serial to logfile name) */
96 public static Hashtable<Integer, File> logfiles;
98 /* Voice preference */
99 public static boolean voice;
101 /* Callsign preference */
102 public static String callsign;
104 /* Firmware directory */
105 public static File firmwaredir;
107 /* Scanning telemetry */
108 public static int scanning_telemetry;
110 public static int scanning_telemetry_rate;
112 /* List of frequencies */
113 public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
114 public static AltosFrequency[] common_frequencies;
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";
120 /* Units preference */
122 public final static String unitsPreference = "IMPERIAL-UNITS";
124 /* Maps cache size preference name */
125 final static String mapCachePreference = "MAP-CACHE";
127 static LinkedList<AltosMapCacheListener> map_cache_listeners;
129 public static int map_cache = 9;
131 final static String mapTypePreference = "MAP-TYPE";
134 public static AltosFrequency[] load_common_frequencies() {
135 AltosFrequency[] frequencies = null;
136 boolean existing = false;
137 existing = backend.nodeExists(common_frequencies_node_name);
140 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
141 int count = node.getInt(frequency_count, 0);
143 frequencies = new AltosFrequency[count];
144 for (int i = 0; i < count; i++) {
148 frequency = node.getDouble(String.format(frequency_format, i), 0.0);
149 description = node.getString(String.format(description_format, i), null);
150 frequencies[i] = new AltosFrequency(frequency, description);
153 frequencies = new AltosFrequency[10];
154 for (int i = 0; i < 10; i++) {
155 frequencies[i] = new AltosFrequency(434.550 + i * .1,
156 String.format("Channel %d", i));
162 public static void save_common_frequencies(AltosFrequency[] frequencies) {
163 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
165 node.putInt(frequency_count, frequencies.length);
166 for (int i = 0; i < frequencies.length; i++) {
167 node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
168 node.putString(String.format(description_format, i), frequencies[i].description);
171 public static int launcher_serial;
173 public static int launcher_channel;
175 public static void init(AltosPreferencesBackend in_backend) {
180 backend = in_backend;
182 /* Initialize logdir from preferences */
183 String logdir_string = backend.getString(logdirPreference, null);
184 if (logdir_string != null)
185 logdir = new File(logdir_string);
187 logdir = new File(backend.homeDirectory(), logdirName);
188 if (!logdir.exists())
191 mapdir = new File(logdir, "maps");
192 if (!mapdir.exists())
195 frequencies = new Hashtable<Integer, Double>();
197 telemetries = new Hashtable<Integer,Integer>();
199 telemetry_rates = new Hashtable<Integer,Integer>();
201 logfiles = new Hashtable<Integer,File>();
203 voice = backend.getBoolean(voicePreference, true);
205 callsign = backend.getString(callsignPreference,"N0CALL");
207 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
209 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
211 launcher_serial = backend.getInt(launcherSerialPreference, 0);
213 launcher_channel = backend.getInt(launcherChannelPreference, 0);
215 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
216 if (firmwaredir_string != null)
217 firmwaredir = new File(firmwaredir_string);
221 common_frequencies = load_common_frequencies();
223 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
225 map_cache = backend.getInt(mapCachePreference, 9);
226 map_cache_listeners = new LinkedList<AltosMapCacheListener>();
227 map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
230 public static void flush_preferences() {
234 public static void set_logdir(File new_logdir) {
235 synchronized (backend) {
237 mapdir = new File(logdir, "maps");
238 if (!mapdir.exists())
240 backend.putString(logdirPreference, logdir.getPath());
245 public static File logdir() {
246 synchronized (backend) {
251 public static File last_logdir() {
252 synchronized (backend) {
253 if (last_logdir == null)
254 last_logdir = logdir;
259 public static void set_last_logdir(File file) {
260 synchronized(backend) {
261 if (file != null && !file.isDirectory())
262 file = file.getParentFile();
264 file = new File(".");
269 public static File mapdir() {
270 synchronized (backend) {
275 public static void set_frequency(int serial, double new_frequency) {
276 synchronized (backend) {
277 frequencies.put(serial, new_frequency);
278 backend.putDouble(String.format(frequencyPreferenceFormat, serial), new_frequency);
283 public static double frequency(int serial) {
284 synchronized (backend) {
285 if (frequencies.containsKey(serial))
286 return frequencies.get(serial);
287 double frequency = backend.getDouble(String.format(frequencyPreferenceFormat, serial), 0);
288 if (frequency == 0.0) {
289 int channel = backend.getInt(String.format(channelPreferenceFormat, serial), 0);
290 frequency = AltosConvert.radio_channel_to_frequency(channel);
292 frequencies.put(serial, frequency);
297 public static void set_telemetry(int serial, int new_telemetry) {
298 synchronized (backend) {
299 telemetries.put(serial, new_telemetry);
300 backend.putInt(String.format(telemetryPreferenceFormat, serial), new_telemetry);
305 public static int telemetry(int serial) {
306 synchronized (backend) {
307 if (telemetries.containsKey(serial))
308 return telemetries.get(serial);
309 int telemetry = backend.getInt(String.format(telemetryPreferenceFormat, serial),
310 AltosLib.ao_telemetry_standard);
311 telemetries.put(serial, telemetry);
316 public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
317 synchronized (backend) {
318 telemetry_rates.put(serial, new_telemetry_rate);
319 backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
324 public static int telemetry_rate(int serial) {
325 synchronized (backend) {
326 if (telemetry_rates.containsKey(serial))
327 return telemetry_rates.get(serial);
328 int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
329 AltosLib.ao_telemetry_rate_38400);
330 telemetry_rates.put(serial, telemetry_rate);
331 return telemetry_rate;
335 public static void set_logfile(int serial, File new_logfile) {
336 synchronized(backend) {
337 logfiles.put(serial, new_logfile);
338 backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
343 public static File logfile(int serial) {
344 synchronized(backend) {
345 if (logfiles.containsKey(serial))
346 return logfiles.get(serial);
347 String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
348 if (logfile_string == null)
350 File logfile = new File(logfile_string);
351 logfiles.put(serial, logfile);
356 public static void set_state(int serial, AltosState state, AltosListenerState listener_state) {
358 backend.debug("set_state for %d pos %g,%g\n",
360 state.gps != null ? state.gps.lat : 0.0,
361 state.gps != null ? state.gps.lon : 0.0);
363 ByteArrayOutputStream baos = new ByteArrayOutputStream();
366 ObjectOutputStream oos = new ObjectOutputStream(baos);
368 AltosSavedState saved_state = new AltosSavedState(state, listener_state);
369 oos.writeObject(saved_state);
371 byte[] bytes = baos.toByteArray();
373 synchronized(backend) {
374 backend.putBytes(String.format(statePreferenceFormat, serial), bytes);
375 backend.putInt(statePreferenceLatest, serial);
378 } catch (IOException ie) {
379 backend.debug("set_state failed %s\n", ie.toString());
383 public static ArrayList<Integer> list_states() {
384 String[] keys = backend.keys();
385 ArrayList<Integer> states = new ArrayList<Integer>();
387 for (String key : keys) {
388 if (key.startsWith(statePreferenceHead)) {
389 backend.debug("list_states %s\n", key);
391 int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
393 } catch (ParseException pe) {
400 public static void remove_state(int serial) {
401 synchronized(backend) {
402 backend.remove(String.format(statePreferenceFormat, serial));
406 public static int latest_state() {
408 synchronized (backend) {
409 latest = backend.getInt(statePreferenceLatest, 0);
414 public static AltosSavedState state(int serial) {
417 backend.debug("get state %d\n", serial);
419 synchronized(backend) {
420 bytes = backend.getBytes(String.format(statePreferenceFormat, serial), null);
424 backend.debug("no state for %d\n", serial);
428 ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
431 ObjectInputStream ois = new ObjectInputStream(bais);
432 AltosSavedState saved_state = (AltosSavedState) ois.readObject();
433 backend.debug("got saved state for %d: %g,%g\n",
435 saved_state.state.gps != null ? saved_state.state.gps.lat : 0.0,
436 saved_state.state.gps != null ? saved_state.state.gps.lon : 0.0);
438 } catch (IOException ie) {
439 backend.debug("IO exception %s\n", ie.toString());
440 } catch (ClassNotFoundException ce) {
441 backend.debug("ClassNotFoundException %s\n", ce.toString());
446 public static void set_scanning_telemetry(int new_scanning_telemetry) {
447 synchronized (backend) {
448 scanning_telemetry = new_scanning_telemetry;
449 backend.putInt(scanningTelemetryPreference, scanning_telemetry);
454 public static int scanning_telemetry() {
455 synchronized (backend) {
456 return scanning_telemetry;
460 public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
461 synchronized (backend) {
462 scanning_telemetry_rate = new_scanning_telemetry_rate;
463 backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
468 public static int scanning_telemetry_rate() {
469 synchronized(backend) {
470 return scanning_telemetry_rate;
474 public static void set_voice(boolean new_voice) {
475 synchronized (backend) {
477 backend.putBoolean(voicePreference, voice);
482 public static boolean voice() {
483 synchronized (backend) {
488 public static void set_callsign(String new_callsign) {
489 synchronized(backend) {
490 callsign = new_callsign;
491 backend.putString(callsignPreference, callsign);
496 public static String callsign() {
497 synchronized(backend) {
502 public static void set_firmwaredir(File new_firmwaredir) {
503 synchronized (backend) {
504 firmwaredir = new_firmwaredir;
505 backend.putString(firmwaredirPreference, firmwaredir.getPath());
510 public static File firmwaredir() {
511 synchronized (backend) {
516 public static void set_launcher_serial(int new_launcher_serial) {
517 synchronized (backend) {
518 launcher_serial = new_launcher_serial;
519 backend.putInt(launcherSerialPreference, launcher_serial);
524 public static int launcher_serial() {
525 synchronized (backend) {
526 return launcher_serial;
530 public static void set_launcher_channel(int new_launcher_channel) {
531 synchronized (backend) {
532 launcher_channel = new_launcher_channel;
533 backend.putInt(launcherChannelPreference, launcher_channel);
538 public static int launcher_channel() {
539 synchronized (backend) {
540 return launcher_channel;
544 public static AltosPreferencesBackend bt_devices() {
545 synchronized (backend) {
546 return backend.node("bt_devices");
550 public static AltosFrequency[] common_frequencies() {
551 synchronized (backend) {
552 return common_frequencies;
556 public static void set_common_frequencies(AltosFrequency[] frequencies) {
557 synchronized(backend) {
558 common_frequencies = frequencies;
559 save_common_frequencies(frequencies);
564 public static void add_common_frequency(AltosFrequency frequency) {
565 AltosFrequency[] old_frequencies = common_frequencies();
566 AltosFrequency[] new_frequencies = new AltosFrequency[old_frequencies.length + 1];
569 for (i = 0; i < old_frequencies.length; i++) {
570 if (frequency.frequency == old_frequencies[i].frequency)
572 if (frequency.frequency < old_frequencies[i].frequency)
574 new_frequencies[i] = old_frequencies[i];
576 new_frequencies[i] = frequency;
577 for (; i < old_frequencies.length; i++)
578 new_frequencies[i+1] = old_frequencies[i];
579 set_common_frequencies(new_frequencies);
582 static LinkedList<AltosUnitsListener> units_listeners;
584 public static boolean imperial_units() {
585 synchronized(backend) {
586 return AltosConvert.imperial_units;
590 public static void set_imperial_units(boolean imperial_units) {
591 synchronized (backend) {
592 AltosConvert.imperial_units = imperial_units;
593 backend.putBoolean(unitsPreference, imperial_units);
596 if (units_listeners != null) {
597 for (AltosUnitsListener l : units_listeners) {
598 l.units_changed(imperial_units);
603 public static void register_units_listener(AltosUnitsListener l) {
604 synchronized(backend) {
605 if (units_listeners == null)
606 units_listeners = new LinkedList<AltosUnitsListener>();
607 units_listeners.add(l);
611 public static void unregister_units_listener(AltosUnitsListener l) {
612 synchronized(backend) {
613 units_listeners.remove(l);
618 public static void register_map_cache_listener(AltosMapCacheListener l) {
619 synchronized(backend) {
620 map_cache_listeners.add(l);
624 public static void unregister_map_cache_listener(AltosMapCacheListener l) {
625 synchronized (backend) {
626 map_cache_listeners.remove(l);
630 public static void set_map_cache(int new_map_cache) {
631 synchronized(backend) {
632 map_cache = new_map_cache;
633 backend.putInt(mapCachePreference, map_cache);
635 for (AltosMapCacheListener l: map_cache_listeners)
636 l.map_cache_changed(map_cache);
640 public static int map_cache() {
641 synchronized(backend) {
646 static LinkedList<AltosMapTypeListener> map_type_listeners;
648 public static void set_map_type(int map_type) {
649 synchronized(backend) {
650 AltosPreferences.map_type = map_type;
651 backend.putInt(mapTypePreference, map_type);
654 if (map_type_listeners != null) {
655 for (AltosMapTypeListener l : map_type_listeners) {
656 l.map_type_changed(map_type);
661 public static int map_type() {
662 synchronized(backend) {
667 public static void register_map_type_listener(AltosMapTypeListener l) {
668 synchronized(backend) {
669 if (map_type_listeners == null)
670 map_type_listeners = new LinkedList<AltosMapTypeListener>();
671 map_type_listeners.add(l);
675 public static void unregister_map_type_listener(AltosMapTypeListener l) {
676 synchronized(backend) {
677 map_type_listeners.remove(l);