git.gag.com Git - fw/altos/blob - altosdroid/app/src/main/java/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; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.AltosDroid;
  20
  21 import java.util.*;
  22 import java.text.*;
  23
  24 import android.app.Activity;
  25 import android.content.Context;
  26 import android.os.Bundle;
  27 import android.view.View;
  28 import android.view.Window;
  29 import android.view.View.OnClickListener;
  30 import android.widget.*;
  31 import android.widget.AdapterView.*;
  32 import android.location.Location;
  33 import android.location.LocationManager;
  34 import android.location.LocationListener;
  35
  36 import org.altusmetrum.altoslib_13.*;
  37
  38 /**
  39  * This Activity appears as a dialog. It lists any paired devices and
  40  * devices detected in the area after discovery. When a device is chosen
  41  * by the user, the MAC address of the device is sent back to the parent
  42  * Activity in the result Intent.
  43  */
  44 public class PreloadMapActivity extends Activity implements AltosLaunchSiteListener, AltosMapLoaderListener, LocationListener {
  45
  46         private ArrayAdapter<AltosLaunchSite> known_sites_adapter;
  47
  48 /*
  49         private CheckBox        hybrid;
  50         private CheckBox        satellite;
  51         private CheckBox        roadmap;
  52         private CheckBox        terrain;
  53 */
  54
  55         private Spinner         known_sites_spinner;
  56         private Spinner         min_zoom;
  57         private Spinner         max_zoom;
  58         private TextView        radius_label;
  59         private Spinner         radius;
  60
  61         private EditText        latitude;
  62         private EditText        longitude;
  63
  64         private ProgressBar     progress;
  65
  66         private AltosMapLoader  loader;
  67
  68         long    loader_notify_time;
  69
  70         /* AltosMapLoaderListener interfaces */
  71         public void loader_start(final int max) {
  72                 loader_notify_time = System.currentTimeMillis();
  73
  74                 this.runOnUiThread(new Runnable() {
  75                                 public void run() {
  76                                         progress.setMax(max);
  77                                         progress.setProgress(0);
  78                                 }
  79                         });
  80         }
  81
  82         public void loader_notify(final int cur, final int max, final String name) {
  83                 long    now = System.currentTimeMillis();
  84
  85                 if (now - loader_notify_time < 100)
  86                         return;
  87
  88                 loader_notify_time = now;
  89
  90                 this.runOnUiThread(new Runnable() {
  91                                 public void run() {
  92                                         progress.setProgress(cur);
  93                                 }
  94                         });
  95         }
  96
  97         public void loader_done(int max) {
  98                 loader = null;
  99                 this.runOnUiThread(new Runnable() {
 100                                 public void run() {
 101                                         progress.setProgress(0);
 102                                         finish();
 103                                 }
 104                         });
 105         }
 106
 107         public void debug(String format, Object ... arguments) {
 108                 AltosDebug.debug(format, arguments);
 109         }
 110
 111         /* AltosLaunchSiteListener interface */
 112
 113         public void notify_launch_sites(final List<AltosLaunchSite> sites) {
 114                 this.runOnUiThread(new Runnable() {
 115                                 public void run() {
 116                                         for (AltosLaunchSite site : sites)
 117                                                 known_sites_adapter.add(site);
 118                                 }
 119                         });
 120         }
 121
 122         /* LocationProvider interface */
 123
 124         AltosLaunchSite current_location_site;
 125
 126         public void onLocationChanged(Location location) {
 127                 AltosDebug.debug("location changed");
 128                 if (current_location_site == null) {
 129                         AltosLaunchSite selected_item = (AltosLaunchSite) known_sites_spinner.getSelectedItem();
 130
 131                         current_location_site = new AltosLaunchSite("Current Location", location.getLatitude(), location.getLongitude());
 132                         known_sites_adapter.insert(current_location_site, 0);
 133
 134                         if (selected_item != null)
 135                                 known_sites_spinner.setSelection(known_sites_adapter.getPosition(selected_item));
 136                         else {
 137                                 latitude.setText(new StringBuffer(String.format("%12.6f", current_location_site.latitude)));
 138                                 longitude.setText(new StringBuffer(String.format("%12.6f", current_location_site.longitude)));
 139                         }
 140                 } else {
 141                         current_location_site.latitude = location.getLatitude();
 142                         current_location_site.longitude = location.getLongitude();
 143                 }
 144         }
 145
 146         public void onStatusChanged(String provider, int status, Bundle extras) {
 147         }
 148
 149         public void onProviderEnabled(String provider) {
 150         }
 151
 152         public void onProviderDisabled(String provider) {
 153         }
 154
 155         private double text(EditText view) throws ParseException {
 156                 return AltosParse.parse_double_locale(view.getEditableText().toString());
 157         }
 158
 159         private double latitude() throws ParseException {
 160                 return text(latitude);
 161         }
 162
 163         private double longitude() throws ParseException {
 164                 return text(longitude);
 165         }
 166
 167         private int value(Spinner spinner) {
 168                 return (Integer) spinner.getSelectedItem();
 169         }
 170
 171         private int min_z() {
 172                 return value(min_zoom);
 173         }
 174
 175         private int max_z() {
 176                 return value(max_zoom);
 177         }
 178
 179         private double value_distance(Spinner spinner) {
 180                 return (Double) spinner.getSelectedItem();
 181         }
 182
 183         private double radius() {
 184                 double r = value_distance(radius);
 185                 if (AltosPreferences.imperial_units())
 186                         r = AltosConvert.miles_to_meters(r);
 187                 else
 188                         r = r * 1000;
 189                 return r;
 190         }
 191
 192 /*
 193         private int bit(CheckBox box, int value) {
 194                 if (box.isChecked())
 195                         return 1 << value;
 196                 return 0;
 197         }
 198 */
 199
 200         private int types() {
 201 /*
 202                 return (bit(hybrid, AltosMap.maptype_hybrid) |
 203                         bit(satellite, AltosMap.maptype_satellite) |
 204                         bit(roadmap, AltosMap.maptype_roadmap) |
 205                         bit(terrain, AltosMap.maptype_terrain));
 206 */
 207                 return 1 << AltosMap.maptype_hybrid;
 208         }
 209
 210         private void load() {
 211                 if (loader != null)
 212                         return;
 213
 214                 try {
 215                         double  lat = latitude();
 216                         double  lon = longitude();
 217                         int     min = min_z();
 218                         int     max = max_z();
 219                         double  r = radius();
 220                         int     t = types();
 221
 222                         AltosDebug.debug("PreloadMap load %f %f %d %d %f %d\n",
 223                                          lat, lon, min, max, r, t);
 224                         loader = new AltosMapLoader(this, lat, lon, min, max, r, t, AltosMapOffline.scale);
 225                 } catch (ParseException e) {
 226                         AltosDebug.debug("PreloadMap load raised exception %s", e.toString());
 227                 }
 228         }
 229
 230         private void add_numbers(Spinner spinner, int min, int max, int def) {
 231
 232                 ArrayAdapter<Integer> adapter = new ArrayAdapter<Integer>(this, android.R.layout.simple_spinner_item);
 233
 234                 int     spinner_def = 0;
 235                 int     pos = 0;
 236
 237                 for (int i = min; i <= max; i++) {
 238                         adapter.add(new Integer(i));
 239                         if (i == def)
 240                                 spinner_def = pos;
 241                         pos++;
 242                 }
 243
 244                 spinner.setAdapter(adapter);
 245                 spinner.setSelection(spinner_def);
 246         }
 247
 248
 249         private void add_distance(Spinner spinner, double[] distances_km, double def_km, double[] distances_mi, double def_mi) {
 250
 251                 ArrayAdapter<Double> adapter = new ArrayAdapter<Double>(this, android.R.layout.simple_spinner_item);
 252
 253                 int     spinner_def = 0;
 254                 int     pos = 0;
 255
 256                 double[] distances;
 257                 double  def;
 258                 if (AltosPreferences.imperial_units()) {
 259                         distances = distances_mi;
 260                         def = def_mi;
 261                 } else {
 262                         distances = distances_km;
 263                         def = def_km;
 264                 }
 265
 266                 for (int i = 0; i < distances.length; i++) {
 267                         adapter.add(distances[i]);
 268                         if (distances[i] == def)
 269                                 spinner_def = pos;
 270                         pos++;
 271                 }
 272
 273                 spinner.setAdapter(adapter);
 274                 spinner.setSelection(spinner_def);
 275         }
 276
 277
 278
 279         class SiteListListener implements OnItemSelectedListener {
 280                 public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
 281                         AltosLaunchSite site = (AltosLaunchSite) parent.getItemAtPosition(pos);
 282                         latitude.setText(new StringBuffer(String.format("%12.6f", site.latitude)));
 283                         longitude.setText(new StringBuffer(String.format("%12.6f", site.longitude)));
 284                 }
 285                 public void onNothingSelected(AdapterView<?> parent) {
 286                 }
 287
 288                 public SiteListListener() {
 289                 }
 290         }
 291
 292         double[]        radius_mi = { 1, 2, 5, 10, 20 };
 293         double          radius_def_mi = 2;
 294         double[]        radius_km = { 1, 2, 5, 10, 20, 30 };
 295         double          radius_def_km = 2;
 296
 297         @Override
 298         protected void onCreate(Bundle savedInstanceState) {
 299                 super.onCreate(savedInstanceState);
 300
 301                 // Setup the window
 302                 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 303                 setContentView(R.layout.map_preload);
 304
 305                 // Set result CANCELED incase the user backs out
 306                 setResult(Activity.RESULT_CANCELED);
 307
 308                 // Initialize the button to perform device discovery
 309                 Button loadButton = (Button) findViewById(R.id.preload_load);
 310                 loadButton.setOnClickListener(new OnClickListener() {
 311                         public void onClick(View v) {
 312                                 load();
 313                         }
 314                 });
 315
 316                 latitude = (EditText) findViewById(R.id.preload_latitude);
 317                 longitude = (EditText) findViewById(R.id.preload_longitude);
 318
 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
 328                 min_zoom = (Spinner) findViewById(R.id.preload_min_zoom);
 329                 add_numbers(min_zoom,
 330                             AltosMap.min_zoom - AltosMap.default_zoom,
 331                             AltosMap.max_zoom - AltosMap.default_zoom, -2);
 332                 max_zoom = (Spinner) findViewById(R.id.preload_max_zoom);
 333                 add_numbers(max_zoom,
 334                             AltosMap.min_zoom - AltosMap.default_zoom,
 335                             AltosMap.max_zoom - AltosMap.default_zoom, 2);
 336                 radius_label = (TextView) findViewById(R.id.preload_radius_label);
 337                 radius = (Spinner) findViewById(R.id.preload_radius);
 338                 if (AltosPreferences.imperial_units())
 339                         radius_label.setText("Radius (miles)");
 340                 else
 341                         radius_label.setText("Radius (km)");
 342                 add_distance(radius, radius_km, radius_def_km, radius_mi, radius_def_mi);
 343
 344                 progress = (ProgressBar) findViewById(R.id.preload_progress);
 345
 346                 // Initialize array adapters. One for already paired devices and
 347                 // one for newly discovered devices
 348                 known_sites_spinner = (Spinner) findViewById(R.id.preload_site_list);
 349
 350                 known_sites_adapter = new ArrayAdapter<AltosLaunchSite>(this, android.R.layout.simple_spinner_item);
 351
 352                 known_sites_adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
 353
 354                 known_sites_spinner.setAdapter(known_sites_adapter);
 355                 known_sites_spinner.setOnItemSelectedListener(new SiteListListener());
 356
 357                 // Listen for GPS and Network position updates
 358                 LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
 359
 360                 locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 1, this);
 361
 362                 new AltosLaunchSites(this);
 363         }
 364
 365         @Override
 366         protected void onDestroy() {
 367                 super.onDestroy();
 368
 369                 if (loader != null)
 370                         loader.abort();
 371
 372                 // Stop listening for location updates
 373                 ((LocationManager) getSystemService(Context.LOCATION_SERVICE)).removeUpdates(this);
 374         }
 375 }