altoslib: Make AltosPreferencesBackend abstract. Add set/put Serializable
[fw/altos] / altoslib / AltosPreferences.java
index a82ea3f67f0e4ba5229a5dc6d2abb0314c9ab663..cc340d0342ae8d1e9d8fd910a779dcc7f2876784 100644 (file)
  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  */
 
-package org.altusmetrum.AltosLib;
+package org.altusmetrum.altoslib_10;
 
 import java.io.*;
 import java.util.*;
-import javax.swing.filechooser.FileSystemView;
+import java.text.*;
 
 public class AltosPreferences {
        public static AltosPreferencesBackend backend = null;
@@ -36,6 +36,17 @@ public class AltosPreferences {
        /* telemetry format preference name */
        public final static String telemetryPreferenceFormat = "TELEMETRY-%d";
 
+       /* telemetry rate format preference name */
+       public final static String telemetryRatePreferenceFormat = "RATE-%d";
+
+       /* log file format preference name */
+       public final static String logfilePreferenceFormat = "LOGFILE-%d";
+
+       /* state preference name */
+       public final static String statePreferenceHead = "STATE-";
+       public final static String statePreferenceFormat = "STATE-%d";
+       public final static String statePreferenceLatest = "STATE-LATEST";
+
        /* voice preference name */
        public final static String voicePreference = "VOICE";
 
@@ -51,18 +62,24 @@ public class AltosPreferences {
        /* scanning telemetry preferences name */
        public final static String scanningTelemetryPreference = "SCANNING-TELEMETRY";
 
+       /* scanning telemetry rate preferences name */
+       public final static String scanningTelemetryRatePreference = "SCANNING-RATE";
+
        /* Launcher serial preference name */
        public final static String launcherSerialPreference = "LAUNCHER-SERIAL";
 
        /* Launcher channel preference name */
        public final static String launcherChannelPreference = "LAUNCHER-CHANNEL";
-       
+
        /* Default logdir is ~/TeleMetrum */
        public final static String logdirName = "TeleMetrum";
 
        /* Log directory */
        public static File logdir;
 
+       /* Last log directory - use this next time we open or save something */
+       public static File last_logdir;
+
        /* Map directory -- hangs of logdir */
        public static File mapdir;
 
@@ -72,6 +89,12 @@ public class AltosPreferences {
        /* Telemetry (map serial to telemetry format) */
        public static Hashtable<Integer, Integer> telemetries;
 
+       /* Telemetry rate (map serial to telemetry format) */
+       public static Hashtable<Integer, Integer> telemetry_rates;
+
+       /* Log file (map serial to logfile name) */
+       public static Hashtable<Integer, File> logfiles;
+
        /* Voice preference */
        public static boolean voice;
 
@@ -84,6 +107,8 @@ public class AltosPreferences {
        /* Scanning telemetry */
        public static int scanning_telemetry;
 
+       public static int scanning_telemetry_rate;
+
        /* List of frequencies */
        public final static String common_frequencies_node_name = "COMMON-FREQUENCIES";
        public static AltosFrequency[] common_frequencies;
@@ -91,30 +116,46 @@ public class AltosPreferences {
        public final static String      frequency_count = "COUNT";
        public final static String      frequency_format = "FREQUENCY-%d";
        public final static String      description_format = "DESCRIPTION-%d";
+       public final static String      frequenciesPreference = "FREQUENCIES";
 
        /* Units preference */
 
        public final static String      unitsPreference = "IMPERIAL-UNITS";
 
+       /* Maps cache size preference name */
+       final static String mapCachePreference = "MAP-CACHE";
+
+       static LinkedList<AltosMapCacheListener> map_cache_listeners;
+
+       public static int map_cache = 9;
+
+       final static String mapTypePreference = "MAP-TYPE";
+       static int      map_type;
+
        public static AltosFrequency[] load_common_frequencies() {
+
                AltosFrequency[] frequencies = null;
-               boolean existing = false;
-               existing = backend.nodeExists(common_frequencies_node_name);
 
-               if (existing) {
-                       AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
-                       int             count = node.getInt(frequency_count, 0);
+               frequencies = (AltosFrequency[]) backend.getSerializable(frequenciesPreference, null);
+
+               if (frequencies == null) {
+                       if (backend.nodeExists(common_frequencies_node_name)) {
+                               AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
+                               int             count = node.getInt(frequency_count, 0);
 
-                       frequencies = new AltosFrequency[count];
-                       for (int i = 0; i < count; i++) {
-                               double  frequency;
-                               String  description;
+                               frequencies = new AltosFrequency[count];
+                               for (int i = 0; i < count; i++) {
+                                       double  frequency;
+                                       String  description;
 
-                               frequency = node.getDouble(String.format(frequency_format, i), 0.0);
-                               description = node.getString(String.format(description_format, i), null);
-                               frequencies[i] = new AltosFrequency(frequency, description);
+                                       frequency = node.getDouble(String.format(frequency_format, i), 0.0);
+                                       description = node.getString(String.format(description_format, i), null);
+                                       frequencies[i] = new AltosFrequency(frequency, description);
+                               }
                        }
-               } else {
+               }
+
+               if (frequencies == null) {
                        frequencies = new AltosFrequency[10];
                        for (int i = 0; i < 10; i++) {
                                frequencies[i] = new AltosFrequency(434.550 + i * .1,
@@ -124,20 +165,15 @@ public class AltosPreferences {
                return frequencies;
        }
 
-       public static void save_common_frequencies(AltosFrequency[] frequencies) {
-               AltosPreferencesBackend node = backend.node(common_frequencies_node_name);
-
-               node.putInt(frequency_count, frequencies.length);
-               for (int i = 0; i < frequencies.length; i++) {
-                       node.putDouble(String.format(frequency_format, i), frequencies[i].frequency);
-                       node.putString(String.format(description_format, i), frequencies[i].description);
-               }
-       }
        public static int launcher_serial;
 
        public static int launcher_channel;
 
        public static void init(AltosPreferencesBackend in_backend) {
+
+               if (backend != null)
+                       return;
+
                backend = in_backend;
 
                /* Initialize logdir from preferences */
@@ -145,8 +181,7 @@ public class AltosPreferences {
                if (logdir_string != null)
                        logdir = new File(logdir_string);
                else {
-                       /* Use the file system view default directory */
-                       logdir = new File(FileSystemView.getFileSystemView().getDefaultDirectory(), logdirName);
+                       logdir = new File(backend.homeDirectory(), logdirName);
                        if (!logdir.exists())
                                logdir.mkdirs();
                }
@@ -158,12 +193,18 @@ public class AltosPreferences {
 
                telemetries = new Hashtable<Integer,Integer>();
 
+               telemetry_rates = new Hashtable<Integer,Integer>();
+
+               logfiles = new Hashtable<Integer,File>();
+
                voice = backend.getBoolean(voicePreference, true);
 
                callsign = backend.getString(callsignPreference,"N0CALL");
 
                scanning_telemetry = backend.getInt(scanningTelemetryPreference,(1 << AltosLib.ao_telemetry_standard));
 
+               scanning_telemetry_rate = backend.getInt(scanningTelemetryRatePreference,(1 << AltosLib.ao_telemetry_rate_38400));
+
                launcher_serial = backend.getInt(launcherSerialPreference, 0);
 
                launcher_channel = backend.getInt(launcherChannelPreference, 0);
@@ -177,6 +218,10 @@ public class AltosPreferences {
                common_frequencies = load_common_frequencies();
 
                AltosConvert.imperial_units = backend.getBoolean(unitsPreference, false);
+
+               map_cache = backend.getInt(mapCachePreference, 9);
+               map_cache_listeners = new LinkedList<AltosMapCacheListener>();
+               map_type = backend.getInt(mapTypePreference, AltosMap.maptype_hybrid);
        }
 
        public static void flush_preferences() {
@@ -200,6 +245,24 @@ public class AltosPreferences {
                }
        }
 
+       public static File last_logdir() {
+               synchronized (backend) {
+                       if (last_logdir == null)
+                               last_logdir = logdir;
+                       return last_logdir;
+               }
+       }
+
+       public static void set_last_logdir(File file) {
+               synchronized(backend) {
+                       if (file != null && !file.isDirectory())
+                               file = file.getParentFile();
+                       if (file == null)
+                               file = new File(".");
+                       last_logdir = file;
+               }
+       }
+
        public static File mapdir() {
                synchronized (backend) {
                        return mapdir;
@@ -247,6 +310,91 @@ public class AltosPreferences {
                }
        }
 
+       public static void set_telemetry_rate(int serial, int new_telemetry_rate) {
+               synchronized (backend) {
+                       telemetry_rates.put(serial, new_telemetry_rate);
+                       backend.putInt(String.format(telemetryRatePreferenceFormat, serial), new_telemetry_rate);
+                       flush_preferences();
+               }
+       }
+
+       public static int telemetry_rate(int serial) {
+               synchronized (backend) {
+                       if (telemetry_rates.containsKey(serial))
+                               return telemetry_rates.get(serial);
+                       int telemetry_rate = backend.getInt(String.format(telemetryRatePreferenceFormat, serial),
+                                                           AltosLib.ao_telemetry_rate_38400);
+                       telemetry_rates.put(serial, telemetry_rate);
+                       return telemetry_rate;
+               }
+       }
+
+       public static void set_logfile(int serial, File new_logfile) {
+               synchronized(backend) {
+                       logfiles.put(serial, new_logfile);
+                       backend.putString(String.format(logfilePreferenceFormat, serial), new_logfile.getPath());
+                       flush_preferences();
+               }
+       }
+
+       public static File logfile(int serial) {
+               synchronized(backend) {
+                       if (logfiles.containsKey(serial))
+                               return logfiles.get(serial);
+                       String logfile_string = backend.getString(String.format(logfilePreferenceFormat, serial), null);
+                       if (logfile_string == null)
+                               return null;
+                       File logfile = new File(logfile_string);
+                       logfiles.put(serial, logfile);
+                       return logfile;
+               }
+       }
+
+       public static void set_state(int serial, AltosState state, AltosListenerState listener_state) {
+
+               synchronized(backend) {
+                       backend.putSerializable(String.format(statePreferenceFormat, serial),
+                                               new AltosSavedState(state, listener_state));
+                       backend.putInt(statePreferenceLatest, serial);
+               }
+       }
+
+       public static ArrayList<Integer> list_states() {
+               String[]                keys = backend.keys();
+               ArrayList<Integer>      states = new ArrayList<Integer>();
+
+               for (String key : keys) {
+                       if (key.startsWith(statePreferenceHead)) {
+                               try {
+                                       int serial = AltosParse.parse_int(key.substring(statePreferenceHead.length()));
+                                       states.add(serial);
+                               } catch (ParseException pe) {
+                               }
+                       }
+               }
+               return states;
+       }
+
+       public static void remove_state(int serial) {
+               synchronized(backend) {
+                       backend.remove(String.format(statePreferenceFormat, serial));
+               }
+       }
+
+       public static int latest_state() {
+               int     latest = 0;
+               synchronized (backend) {
+                       latest = backend.getInt(statePreferenceLatest, 0);
+               }
+               return latest;
+       }
+
+       public static AltosSavedState state(int serial) {
+               synchronized(backend) {
+                       return (AltosSavedState) backend.getSerializable(String.format(statePreferenceFormat, serial), null);
+               }
+       }
+
        public static void set_scanning_telemetry(int new_scanning_telemetry) {
                synchronized (backend) {
                        scanning_telemetry = new_scanning_telemetry;
@@ -261,6 +409,20 @@ public class AltosPreferences {
                }
        }
 
+       public static void set_scanning_telemetry_rate(int new_scanning_telemetry_rate) {
+               synchronized (backend) {
+                       scanning_telemetry_rate = new_scanning_telemetry_rate;
+                       backend.putInt(scanningTelemetryRatePreference, scanning_telemetry_rate);
+                       flush_preferences();
+               }
+       }
+
+       public static int scanning_telemetry_rate() {
+               synchronized(backend) {
+                       return scanning_telemetry_rate;
+               }
+       }
+
        public static void set_voice(boolean new_voice) {
                synchronized (backend) {
                        voice = new_voice;
@@ -330,7 +492,7 @@ public class AltosPreferences {
                        return launcher_channel;
                }
        }
-       
+
        public static AltosPreferencesBackend bt_devices() {
                synchronized (backend) {
                        return backend.node("bt_devices");
@@ -346,7 +508,7 @@ public class AltosPreferences {
        public static void set_common_frequencies(AltosFrequency[] frequencies) {
                synchronized(backend) {
                        common_frequencies = frequencies;
-                       save_common_frequencies(frequencies);
+                       backend.putSerializable(frequenciesPreference, frequencies);
                        flush_preferences();
                }
        }
@@ -369,6 +531,8 @@ public class AltosPreferences {
                set_common_frequencies(new_frequencies);
        }
 
+       static LinkedList<AltosUnitsListener> units_listeners;
+
        public static boolean imperial_units() {
                synchronized(backend) {
                        return AltosConvert.imperial_units;
@@ -381,5 +545,88 @@ public class AltosPreferences {
                        backend.putBoolean(unitsPreference, imperial_units);
                        flush_preferences();
                }
+               if (units_listeners != null) {
+                       for (AltosUnitsListener l : units_listeners) {
+                               l.units_changed(imperial_units);
+                       }
+               }
+       }
+
+       public static void register_units_listener(AltosUnitsListener l) {
+               synchronized(backend) {
+                       if (units_listeners == null)
+                               units_listeners = new LinkedList<AltosUnitsListener>();
+                       units_listeners.add(l);
+               }
+       }
+
+       public static void unregister_units_listener(AltosUnitsListener l) {
+               synchronized(backend) {
+                       units_listeners.remove(l);
+               }
+       }
+
+
+       public static void register_map_cache_listener(AltosMapCacheListener l) {
+               synchronized(backend) {
+                       map_cache_listeners.add(l);
+               }
+       }
+
+       public static void unregister_map_cache_listener(AltosMapCacheListener l) {
+               synchronized (backend) {
+                       map_cache_listeners.remove(l);
+               }
+       }
+
+       public static void set_map_cache(int new_map_cache) {
+               synchronized(backend) {
+                       map_cache = new_map_cache;
+                       backend.putInt(mapCachePreference, map_cache);
+                       flush_preferences();
+                       for (AltosMapCacheListener l: map_cache_listeners)
+                               l.map_cache_changed(map_cache);
+               }
+       }
+
+       public static int map_cache() {
+               synchronized(backend) {
+                       return map_cache;
+               }
+       }
+
+       static LinkedList<AltosMapTypeListener> map_type_listeners;
+
+       public static void set_map_type(int map_type) {
+               synchronized(backend) {
+                       AltosPreferences.map_type = map_type;
+                       backend.putInt(mapTypePreference, map_type);
+                       flush_preferences();
+               }
+               if (map_type_listeners != null) {
+                       for (AltosMapTypeListener l : map_type_listeners) {
+                               l.map_type_changed(map_type);
+                       }
+               }
+       }
+
+       public static int map_type() {
+               synchronized(backend) {
+                       return map_type;
+               }
+       }
+
+       public static void register_map_type_listener(AltosMapTypeListener l) {
+               synchronized(backend) {
+                       if (map_type_listeners == null)
+                               map_type_listeners = new LinkedList<AltosMapTypeListener>();
+                       map_type_listeners.add(l);
+               }
+       }
+
+       public static void unregister_map_type_listener(AltosMapTypeListener l) {
+               synchronized(backend) {
+                       map_type_listeners.remove(l);
+               }
        }
 }