git.gag.com Git - fw/altos/blob - altosdroid/src/org/altusmetrum/AltosDroid/PreloadMapActivity.java

   1 /*
   2  * Copyright © 2015 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.AltosDroid;
  19
  20 import java.util.*;
  21 import java.io.*;
  22 import java.text.*;
  23
  24 import org.altusmetrum.AltosDroid.R;
  25
  26 import android.app.Activity;
  27 import android.bluetooth.BluetoothAdapter;
  28 import android.bluetooth.BluetoothDevice;
  29 import android.content.BroadcastReceiver;
  30 import android.content.Context;
  31 import android.content.Intent;
  32 import android.content.IntentFilter;
  33 import android.os.Bundle;
  34 import android.view.View;
  35 import android.view.Window;
  36 import android.view.View.OnClickListener;
  37 import android.widget.*;
  38 import android.widget.AdapterView.*;
  39 import android.location.Location;
  40 import android.location.LocationManager;
  41 import android.location.LocationListener;
  42 import android.location.Criteria;
  43
  44 import org.altusmetrum.altoslib_11.*;
  45
  46 /**
  47  * This Activity appears as a dialog. It lists any paired devices and
  48  * devices detected in the area after discovery. When a device is chosen
  49  * by the user, the MAC address of the device is sent back to the parent
  50  * Activity in the result Intent.
  51  */
  52 public class PreloadMapActivity extends Activity implements AltosLaunchSiteListener, AltosMapLoaderListener, LocationListener {
  53
  54         private ArrayAdapter<AltosLaunchSite> known_sites_adapter;
  55
  56         private CheckBox        hybrid;
  57         private CheckBox        satellite;
  58         private CheckBox        roadmap;
  59         private CheckBox        terrain;
  60
  61         private Spinner         known_sites_spinner;
  62         private Spinner         min_zoom;
  63         private Spinner         max_zoom;
  64         private TextView        radius_label;
  65         private Spinner         radius;
  66
  67         private EditText        latitude;
  68         private EditText        longitude;
  69
  70         private ProgressBar     progress;
  71
  72         private AltosMapLoader  loader;
  73
  74         long    loader_notify_time;
  75
  76         /* AltosMapLoaderListener interfaces */
  77         public void loader_start(final int max) {
  78                 loader_notify_time = System.currentTimeMillis();
  79
  80                 this.runOnUiThread(new Runnable() {
  81                                 public void run() {
  82                                         progress.setMax(max);
  83                                         progress.setProgress(0);
  84                                 }
  85                         });
  86         }
  87
  88         public void loader_notify(final int cur, final int max, final String name) {
  89                 long    now = System.currentTimeMillis();
  90
  91                 if (now - loader_notify_time < 100)
  92                         return;
  93
  94                 loader_notify_time = now;
  95
  96                 this.runOnUiThread(new Runnable() {
  97                                 public void run() {
  98                                         progress.setProgress(cur);
  99                                 }
 100                         });
 101         }
 102
 103         public void loader_done(int max) {
 104                 loader = null;
 105                 this.runOnUiThread(new Runnable() {
 106                                 public void run() {
 107                                         progress.setProgress(0);
 108                                         finish();
 109                                 }
 110                         });
 111         }
 112
 113         public void debug(String format, Object ... arguments) {
 114                 AltosDebug.debug(format, arguments);
 115         }
 116
 117         /* AltosLaunchSiteListener interface */
 118
 119         public void notify_launch_sites(final List<AltosLaunchSite> sites) {
 120                 this.runOnUiThread(new Runnable() {
 121                                 public void run() {
 122                                         for (AltosLaunchSite site : sites)
 123                                                 known_sites_adapter.add(site);
 124                                 }
 125                         });
 126         }
 127
 128         /* LocationProvider interface */
 129
 130         AltosLaunchSite current_location_site;
 131
 132         public void onLocationChanged(Location location) {
 133                 AltosDebug.debug("location changed");
 134                 if (current_location_site == null) {
 135                         AltosLaunchSite selected_item = (AltosLaunchSite) known_sites_spinner.getSelectedItem();
 136
 137                         current_location_site = new AltosLaunchSite("Current Location", location.getLatitude(), location.getLongitude());
 138                         known_sites_adapter.insert(current_location_site, 0);
 139
 140                         if (selected_item != null)
 141                                 known_sites_spinner.setSelection(known_sites_adapter.getPosition(selected_item));
 142                         else {
 143                                 latitude.setText(new StringBuffer(String.format("%12.6f", current_location_site.latitude)));
 144                                 longitude.setText(new StringBuffer(String.format("%12.6f", current_location_site.longitude)));
 145                         }
 146                 } else {
 147                         current_location_site.latitude = location.getLatitude();
 148                         current_location_site.longitude = location.getLongitude();
 149                 }
 150         }
 151
 152         public void onStatusChanged(String provider, int status, Bundle extras) {
 153         }
 154
 155         public void onProviderEnabled(String provider) {
 156         }
 157
 158         public void onProviderDisabled(String provider) {
 159         }
 160
 161         private double text(EditText view) throws ParseException {
 162                 return AltosParse.parse_double_locale(view.getEditableText().toString());
 163         }
 164
 165         private double latitude() throws ParseException {
 166                 return text(latitude);
 167         }
 168
 169         private double longitude() throws ParseException {
 170                 return text(longitude);
 171         }
 172
 173         private int value(Spinner spinner) {
 174                 return (Integer) spinner.getSelectedItem();
 175         }
 176
 177         private int min_z() {
 178                 return value(min_zoom);
 179         }
 180
 181         private int max_z() {
 182                 return value(max_zoom);
 183         }
 184
 185         private double value_distance(Spinner spinner) {
 186                 return (Double) spinner.getSelectedItem();
 187         }
 188
 189         private double radius() {
 190                 double r = value_distance(radius);
 191                 if (AltosPreferences.imperial_units())
 192                         r = AltosConvert.miles_to_meters(r);
 193                 else
 194                         r = r * 1000;
 195                 return r;
 196         }
 197
 198         private int bit(CheckBox box, int value) {
 199                 if (box.isChecked())
 200                         return 1 << value;
 201                 return 0;
 202         }
 203
 204         private int types() {
 205                 return (bit(hybrid, AltosMap.maptype_hybrid) |
 206                         bit(satellite, AltosMap.maptype_satellite) |
 207                         bit(roadmap, AltosMap.maptype_roadmap) |
 208                         bit(terrain, AltosMap.maptype_terrain));
 209         }
 210
 211         private void load() {
 212                 if (loader != null)
 213                         return;
 214
 215                 try {
 216                         double  lat = latitude();
 217                         double  lon = longitude();
 218                         int     min = min_z();
 219                         int     max = max_z();
 220                         double  r = radius();
 221                         int     t = types();
 222
 223                         AltosDebug.debug("PreloadMap load %f %f %d %d %f %d\n",
 224                                          lat, lon, min, max, r, t);
 225                         loader = new AltosMapLoader(this, lat, lon, min, max, r, t, AltosMapOffline.scale);
 226                 } catch (ParseException e) {
 227                         AltosDebug.debug("PreloadMap load raised exception %s", e.toString());
 228                 }
 229         }
 230
 231         private void add_numbers(Spinner spinner, int min, int max, int def) {
 232
 233                 ArrayAdapter<Integer> adapter = new ArrayAdapter<Integer>(this, android.R.layout.simple_spinner_item);
 234
 235                 int     spinner_def = 0;
 236                 int     pos = 0;
 237
 238                 for (int i = min; i <= max; i++) {
 239                         adapter.add(new Integer(i));
 240                         if (i == def)
 241                                 spinner_def = pos;
 242                         pos++;
 243                 }
 244
 245                 spinner.setAdapter(adapter);
 246                 spinner.setSelection(spinner_def);
 247         }
 248
 249
 250         private void add_distance(Spinner spinner, double[] distances_km, double def_km, double[] distances_mi, double def_mi) {
 251
 252                 ArrayAdapter<Double> adapter = new ArrayAdapter<Double>(this, android.R.layout.simple_spinner_item);
 253
 254                 int     spinner_def = 0;
 255                 int     pos = 0;
 256
 257                 double[] distances;
 258                 double  def;
 259                 if (AltosPreferences.imperial_units()) {
 260                         distances = distances_mi;
 261                         def = def_mi;
 262                 } else {
 263                         distances = distances_km;
 264                         def = def_km;
 265                 }
 266
 267                 for (int i = 0; i < distances.length; i++) {
 268                         adapter.add(distances[i]);
 269                         if (distances[i] == def)
 270                                 spinner_def = pos;
 271                         pos++;
 272                 }
 273
 274                 spinner.setAdapter(adapter);
 275                 spinner.setSelection(spinner_def);
 276         }
 277
 278
 279
 280         class SiteListListener implements OnItemSelectedListener {
 281                 public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
 282                         AltosLaunchSite site = (AltosLaunchSite) parent.getItemAtPosition(pos);
 283                         latitude.setText(new StringBuffer(String.format("%12.6f", site.latitude)));
 284                         longitude.setText(new StringBuffer(String.format("%12.6f", site.longitude)));
 285                 }
 286                 public void onNothingSelected(AdapterView<?> parent) {
 287                 }
 288
 289                 public SiteListListener() {
 290                 }
 291         }
 292
 293         double[]        radius_mi = { 1, 2, 5, 10, 20 };
 294         double          radius_def_mi = 2;
 295         double[]        radius_km = { 1, 2, 5, 10, 20, 30 };
 296         double          radius_def_km = 2;
 297
 298         @Override
 299         protected void onCreate(Bundle savedInstanceState) {
 300                 super.onCreate(savedInstanceState);
 301
 302                 // Setup the window
 303                 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 304                 setContentView(R.layout.map_preload);
 305
 306                 // Set result CANCELED incase the user backs out
 307                 setResult(Activity.RESULT_CANCELED);
 308
 309                 // Initialize the button to perform device discovery
 310                 Button loadButton = (Button) findViewById(R.id.preload_load);
 311                 loadButton.setOnClickListener(new OnClickListener() {
 312                         public void onClick(View v) {
 313                                 load();
 314                         }
 315                 });
 316
 317                 latitude = (EditText) findViewById(R.id.preload_latitude);
 318                 longitude = (EditText) findViewById(R.id.preload_longitude);
 319
 320                 hybrid = (CheckBox) findViewById(R.id.preload_hybrid);
 321                 satellite = (CheckBox) findViewById(R.id.preload_satellite);
 322                 roadmap = (CheckBox) findViewById(R.id.preload_roadmap);
 323                 terrain = (CheckBox) findViewById(R.id.preload_terrain);
 324
 325                 hybrid.setChecked(true);
 326
 327                 min_zoom = (Spinner) findViewById(R.id.preload_min_zoom);
 328                 add_numbers(min_zoom,
 329                             AltosMap.min_zoom - AltosMap.default_zoom,
 330                             AltosMap.max_zoom - AltosMap.default_zoom, -2);
 331                 max_zoom = (Spinner) findViewById(R.id.preload_max_zoom);
 332                 add_numbers(max_zoom,
 333                             AltosMap.min_zoom - AltosMap.default_zoom,
 334                             AltosMap.max_zoom - AltosMap.default_zoom, 2);
 335                 radius_label = (TextView) findViewById(R.id.preload_radius_label);
 336                 radius = (Spinner) findViewById(R.id.preload_radius);
 337                 if (AltosPreferences.imperial_units())
 338                         radius_label.setText("Radius (miles)");
 339                 else
 340                         radius_label.setText("Radius (km)");
 341                 add_distance(radius, radius_km, radius_def_km, radius_mi, radius_def_mi);
 342
 343                 progress = (ProgressBar) findViewById(R.id.preload_progress);
 344
 345                 // Initialize array adapters. One for already paired devices and
 346                 // one for newly discovered devices
 347                 known_sites_spinner = (Spinner) findViewById(R.id.preload_site_list);
 348
 349                 known_sites_adapter = new ArrayAdapter<AltosLaunchSite>(this, android.R.layout.simple_spinner_item);
 350
 351                 known_sites_adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 352
 353                 known_sites_spinner.setAdapter(known_sites_adapter);
 354                 known_sites_spinner.setOnItemSelectedListener(new SiteListListener());
 355
 356                 // Listen for GPS and Network position updates
 357                 LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
 358
 359                 locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 1, this);
 360
 361                 new AltosLaunchSites(this);
 362         }
 363
 364         @Override
 365         protected void onDestroy() {
 366                 super.onDestroy();
 367
 368                 if (loader != null)
 369                         loader.abort();
 370
 371                 // Stop listening for location updates
 372                 ((LocationManager) getSystemService(Context.LOCATION_SERVICE)).removeUpdates(this);
 373         }
 374 }