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 public static AltosFrequency[] load_common_frequencies() {
132 AltosFrequency[] frequencies = null;
133 boolean existing = false;
134 existing = backend.nodeExists(common_frequencies_node_name);
137 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
138 int count = node.getInt(frequency_count, 0);
140 frequencies = new AltosFrequency[count];
141 for (int i = 0; i < count; i++) {
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);
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));
159 public static void save_common_frequencies(AltosFrequency[] frequencies) {
160 AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
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);
168 public static int launcher_serial;
170 public static int launcher_channel;
172 public static void init(AltosPreferencesBackend in_backend) {
177 backend = in_backend;
179 /* Initialize logdir from preferences */
180 String logdir_string = backend.getString(logdirPreference, null);
181 if (logdir_string != null)
182 logdir = new File(logdir_string);
184 logdir = new File(backend.homeDirectory(), logdirName);
185 if (!logdir.exists())
188 mapdir = new File(logdir, "maps");
189 if (!mapdir.exists())
192 frequencies = new Hashtable<Integer, Double>();
194 telemetries = new Hashtable<Integer,Integer>();
196 telemetry_rates = new Hashtable<Integer,Integer>();
198 logfiles = new Hashtable<Integer,File>();
200 voice = backend.getBoolean(voicePreference, true);
202 callsign = backend.getString(callsignPreference,"N0CALL");
204 scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
206 scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
208 launcher_serial = backend.getInt(launcherSerialPreference, 0);
210 launcher_channel = backend.getInt(launcherChannelPreference, 0);
212 String firmwaredir_string = backend.getString(firmwaredirPreference, null);
213 if (firmwaredir_string != null)
214 firmwaredir = new File(firmwaredir_string);
218 common_frequencies = load_common_frequencies();
220 AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
222 map_cache = backend.getInt(mapCachePreference, 9);
223 map_cache_listeners = new LinkedList<AltosMapCacheListener>();
226 public static void flush_preferences() {
230 public static void set_logdir(File new_logdir) {
231 synchronized (backend) {
233 mapdir = new File(logdir, "maps");
234 if (!mapdir.exists())
236 backend.putString(logdirPreference, logdir.getPath());
241 public static File logdir() {
242 synchronized (backend) {
247 public static File last_logdir() {
248 synchronized (backend) {
249 if (last_logdir == null)
250 last_logdir = logdir;
255 public static void set_last_logdir(File file) {
256 synchronized(backend) {
257 if (file != null && !file.isDirectory())
258 file = file.getParentFile();
260 file = new File(".");
265 public static File mapdir() {
266 synchronized (backend) {
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);
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);
288 frequencies.put(serial, frequency);
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);
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);
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);
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;
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());
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)
346 File logfile = new File(logfile_string);
347 logfiles.put(serial, logfile);
352 public static void set_state(int serial, AltosState state, AltosListenerState listener_state) {
354 backend.debug("set_state for %d pos %g,%g\n",
356 state.gps != null ? state.gps.lat : 0.0,
357 state.gps != null ? state.gps.lon : 0.0);
359 ByteArrayOutputStream baos = new ByteArrayOutputStream();
362 ObjectOutputStream oos = new ObjectOutputStream(baos);
364 AltosSavedState saved_state = new AltosSavedState(state, listener_state);
365 oos.writeObject(saved_state);
367 byte[] bytes = baos.toByteArray();
369 synchronized(backend) {
370 backend.putBytes(String.format(statePreferenceFormat, serial), bytes);
371 backend.putInt(statePreferenceLatest, serial);
374 } catch (IOException ie) {
375 backend.debug("set_state failed %s\n", ie.toString());
379 public static ArrayList<Integer> list_states() {
380 String[] keys = backend.keys();
381 ArrayList<Integer> states = new ArrayList<Integer>();
383 for (String key : keys) {
384 if (key.startsWith(statePreferenceHead)) {
385 backend.debug("list_states %s\n", key);
387 int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
389 } catch (ParseException pe) {
396 public static void remove_state(int serial) {
397 synchronized(backend) {
398 backend.remove(String.format(statePreferenceFormat, serial));
402 public static int latest_state() {
404 synchronized (backend) {
405 latest = backend.getInt(statePreferenceLatest, 0);
410 public static AltosSavedState state(int serial) {
413 backend.debug("get state %d\n", serial);
415 synchronized(backend) {
416 bytes = backend.getBytes(String.format(statePreferenceFormat, serial), null);
420 backend.debug("no state for %d\n", serial);
424 ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
427 ObjectInputStream ois = new ObjectInputStream(bais);
428 AltosSavedState saved_state = (AltosSavedState) ois.readObject();
429 backend.debug("got saved state for %d: %g,%g\n",
431 saved_state.state.gps != null ? saved_state.state.gps.lat : 0.0,
432 saved_state.state.gps != null ? saved_state.state.gps.lon : 0.0);
434 } catch (IOException ie) {
435 backend.debug("IO exception %s\n", ie.toString());
436 } catch (ClassNotFoundException ce) {
437 backend.debug("ClassNotFoundException %s\n", ce.toString());
442 public static void set_scanning_telemetry(int new_scanning_telemetry) {
443 synchronized (backend) {
444 scanning_telemetry = new_scanning_telemetry;
445 backend.putInt(scanningTelemetryPreference, scanning_telemetry);
450 public static int scanning_telemetry() {
451 synchronized (backend) {
452 return scanning_telemetry;
456 public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
457 synchronized (backend) {
458 scanning_telemetry_rate = new_scanning_telemetry_rate;
459 backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
464 public static int scanning_telemetry_rate() {
465 synchronized(backend) {
466 return scanning_telemetry_rate;
470 public static void set_voice(boolean new_voice) {
471 synchronized (backend) {
473 backend.putBoolean(voicePreference, voice);
478 public static boolean voice() {
479 synchronized (backend) {
484 public static void set_callsign(String new_callsign) {
485 synchronized(backend) {
486 callsign = new_callsign;
487 backend.putString(callsignPreference, callsign);
492 public static String callsign() {
493 synchronized(backend) {
498 public static void set_firmwaredir(File new_firmwaredir) {
499 synchronized (backend) {
500 firmwaredir = new_firmwaredir;
501 backend.putString(firmwaredirPreference, firmwaredir.getPath());
506 public static File firmwaredir() {
507 synchronized (backend) {
512 public static void set_launcher_serial(int new_launcher_serial) {
513 synchronized (backend) {
514 launcher_serial = new_launcher_serial;
515 backend.putInt(launcherSerialPreference, launcher_serial);
520 public static int launcher_serial() {
521 synchronized (backend) {
522 return launcher_serial;
526 public static void set_launcher_channel(int new_launcher_channel) {
527 synchronized (backend) {
528 launcher_channel = new_launcher_channel;
529 backend.putInt(launcherChannelPreference, launcher_channel);
534 public static int launcher_channel() {
535 synchronized (backend) {
536 return launcher_channel;
540 public static AltosPreferencesBackend bt_devices() {
541 synchronized (backend) {
542 return backend.node("bt_devices");
546 public static AltosFrequency[] common_frequencies() {
547 synchronized (backend) {
548 return common_frequencies;
552 public static void set_common_frequencies(AltosFrequency[] frequencies) {
553 synchronized(backend) {
554 common_frequencies = frequencies;
555 save_common_frequencies(frequencies);
560 public static void add_common_frequency(AltosFrequency frequency) {
561 AltosFrequency[] old_frequencies = common_frequencies();
562 AltosFrequency[] new_frequencies = new AltosFrequency[old_frequencies.length + 1];
565 for (i = 0; i < old_frequencies.length; i++) {
566 if (frequency.frequency == old_frequencies[i].frequency)
568 if (frequency.frequency < old_frequencies[i].frequency)
570 new_frequencies[i] = old_frequencies[i];
572 new_frequencies[i] = frequency;
573 for (; i < old_frequencies.length; i++)
574 new_frequencies[i+1] = old_frequencies[i];
575 set_common_frequencies(new_frequencies);
578 static LinkedList<AltosUnitsListener> units_listeners;
580 public static boolean imperial_units() {
581 synchronized(backend) {
582 return AltosConvert.imperial_units;
586 public static void set_imperial_units(boolean imperial_units) {
587 synchronized (backend) {
588 AltosConvert.imperial_units = imperial_units;
589 backend.putBoolean(unitsPreference, imperial_units);
592 if (units_listeners != null) {
593 for (AltosUnitsListener l : units_listeners) {
594 l.units_changed(imperial_units);
599 public static void register_units_listener(AltosUnitsListener l) {
600 synchronized(backend) {
601 if (units_listeners == null)
602 units_listeners = new LinkedList<AltosUnitsListener>();
603 units_listeners.add(l);
607 public static void unregister_units_listener(AltosUnitsListener l) {
608 synchronized(backend) {
609 units_listeners.remove(l);
614 public static void register_map_cache_listener(AltosMapCacheListener l) {
615 synchronized(backend) {
616 map_cache_listeners.add(l);
620 public static void unregister_map_cache_listener(AltosMapCacheListener l) {
621 synchronized (backend) {
622 map_cache_listeners.remove(l);
626 public static void set_map_cache(int new_map_cache) {
627 synchronized(backend) {
628 map_cache = new_map_cache;
629 backend.putInt(mapCachePreference, map_cache);
631 for (AltosMapCacheListener l: map_cache_listeners)
632 l.map_cache_changed(map_cache);
636 public static int map_cache() {
637 synchronized(backend) {