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; 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.io.*;
  23 import java.text.*;
  24
  25 import org.altusmetrum.AltosDroid.R;
  26
  27 import android.app.Activity;
  28 import android.bluetooth.BluetoothAdapter;
  29 import android.bluetooth.BluetoothDevice;
  30 import android.content.BroadcastReceiver;
  31 import android.content.Context;
  32 import android.content.Intent;
  33 import android.content.IntentFilter;
  34 import android.os.Bundle;
  35 import android.view.View;
  36 import android.view.Window;
  37 import android.view.View.OnClickListener;
  38 import android.widget.*;
  39 import android.widget.AdapterView.*;
  40 import android.location.Location;
  41 import android.location.LocationManager;
  42 import android.location.LocationListener;
  43 import android.location.Criteria;
  44
  45 import org.altusmetrum.altoslib_13.*;
  46
  47 /**
  48  * This Activity appears as a dialog. It lists any paired devices and
  49  * devices detected in the area after discovery. When a device is chosen
  50  * by the user, the MAC address of the device is sent back to the parent
  51  * Activity in the result Intent.
  52  */
  53 public class PreloadMapActivity extends Activity implements AltosLaunchSiteListener, AltosMapLoaderListener, LocationListener {
  54
  55         private ArrayAdapter<AltosLaunchSite> known_sites_adapter;
  56
  57         private CheckBox        hybrid;
  58         private CheckBox        satellite;
  59         private CheckBox        roadmap;
  60         private CheckBox        terrain;
  61
  62         private Spinner         known_sites_spinner;
  63         private Spinner         min_zoom;
  64         private Spinner         max_zoom;
  65         private TextView        radius_label;
  66         private Spinner         radius;
  67
  68         private EditText        latitude;
  69         private EditText        longitude;
  70
  71         private ProgressBar     progress;
  72
  73         private AltosMapLoader  loader;
  74
  75         long    loader_notify_time;
  76
  77         /* AltosMapLoaderListener interfaces */
  78         public void loader_start(final int max) {
  79                 loader_notify_time = System.currentTimeMillis();
  80
  81                 this.runOnUiThread(new Runnable() {
  82                                 public void run() {
  83                                         progress.setMax(max);
  84                                         progress.setProgress(0);
  85                                 }
  86                         });
  87         }
  88
  89         public void loader_notify(final int cur, final int max, final String name) {
  90                 long    now = System.currentTimeMillis();
  91
  92                 if (now - loader_notify_time < 100)
  93                         return;
  94
  95                 loader_notify_time = now;
  96
  97                 this.runOnUiThread(new Runnable() {
  98                                 public void run() {
  99                                         progress.setProgress(cur);
 100                                 }
 101                         });
 102         }
 103
 104         public void loader_done(int max) {
 105                 loader = null;
 106                 this.runOnUiThread(new Runnable() {
 107                                 public void run() {
 108                                         progress.setProgress(0);
 109                                         finish();
 110                                 }
 111                         });
 112         }
 113
 114         public void debug(String format, Object ... arguments) {
 115                 AltosDebug.debug(format, arguments);
 116         }
 117
 118         /* AltosLaunchSiteListener interface */
 119
 120         public void notify_launch_sites(final List<AltosLaunchSite> sites) {
 121                 this.runOnUiThread(new Runnable() {
 122                                 public void run() {
 123                                         for (AltosLaunchSite site : sites)
 124                                                 known_sites_adapter.add(site);
 125                                 }
 126                         });
 127         }
 128
 129         /* LocationProvider interface */
 130
 131         AltosLaunchSite current_location_site;
 132
 133         public void onLocationChanged(Location location) {
 134                 AltosDebug.debug("location changed");
 135                 if (current_location_site == null) {
 136                         AltosLaunchSite selected_item = (AltosLaunchSite) known_sites_spinner.getSelectedItem();
 137
 138                         current_location_site = new AltosLaunchSite("Current Location", location.getLatitude(), location.getLongitude());
 139                         known_sites_adapter.insert(current_location_site, 0);
 140
 141                         if (selected_item != null)
 142                                 known_sites_spinner.setSelection(known_sites_adapter.getPosition(selected_item));
 143                         else {
 144                                 latitude.setText(new StringBuffer(String.format("%12.6f", current_location_site.latitude)));
 145                                 longitude.setText(new StringBuffer(String.format("%12.6f", current_location_site.longitude)));
 146                         }
 147                 } else {
 148                         current_location_site.latitude = location.getLatitude();
 149                         current_location_site.longitude = location.getLongitude();
 150                 }
 151         }
 152
 153         public void onStatusChanged(String provider, int status, Bundle extras) {
 154         }
 155
 156         public void onProviderEnabled(String provider) {
 157         }
 158
 159         public void onProviderDisabled(String provider) {
 160         }
 161
 162         private double text(EditText view) throws ParseException {
 163                 return AltosParse.parse_double_locale(view.getEditableText().toString());
 164         }
 165
 166         private double latitude() throws ParseException {
 167                 return text(latitude);
 168         }
 169
 170         private double longitude() throws ParseException {
 171                 return text(longitude);
 172         }
 173
 174         private int value(Spinner spinner) {
 175                 return (Integer) spinner.getSelectedItem();
 176         }
 177
 178         private int min_z() {
 179                 return value(min_zoom);
 180         }
 181
 182         private int max_z() {
 183                 return value(max_zoom);
 184         }
 185
 186         private double value_distance(Spinner spinner) {
 187                 return (Double) spinner.getSelectedItem();
 188         }
 189
 190         private double radius() {
 191                 double r = value_distance(radius);
 192                 if (AltosPreferences.imperial_units())
 193                         r = AltosConvert.miles_to_meters(r);
 194                 else
 195                         r = r * 1000;
 196                 return r;
 197         }
 198
 199         private int bit(CheckBox box, int value) {
 200                 if (box.isChecked())
 201                         return 1 << value;
 202                 return 0;
 203         }
 204
 205         private int types() {
 206                 return (bit(hybrid, AltosMap.maptype_hybrid) |
 207                         bit(satellite, AltosMap.maptype_satellite) |
 208                         bit(roadmap, AltosMap.maptype_roadmap) |
 209                         bit(terrain, AltosMap.maptype_terrain));
 210         }
 211
 212         private void load() {
 213                 if (loader != null)
 214                         return;
 215
 216                 try {
 217                         double  lat = latitude();
 218                         double  lon = longitude();
 219                         int     min = min_z();
 220                         int     max = max_z();
 221                         double  r = radius();
 222                         int     t = types();
 223
 224                         AltosDebug.debug("PreloadMap load %f %f %d %d %f %d\n",
 225                                          lat, lon, min, max, r, t);
 226                         loader = new AltosMapLoader(this, lat, lon, min, max, r, t, AltosMapOffline.scale);
 227                 } catch (ParseException e) {
 228                         AltosDebug.debug("PreloadMap load raised exception %s", e.toString());
 229                 }
 230         }
 231
 232         private void add_numbers(Spinner spinner, int min, int max, int def) {
 233
 234                 ArrayAdapter<Integer> adapter = new ArrayAdapter<Integer>(this, android.R.layout.simple_spinner_item);
 235
 236                 int     spinner_def = 0;
 237                 int     pos = 0;
 238
 239                 for (int i = min; i <= max; i++) {
 240                         adapter.add(new Integer(i));
 241                         if (i == def)
 242                                 spinner_def = pos;
 243                         pos++;
 244                 }
 245
 246                 spinner.setAdapter(adapter);
 247                 spinner.setSelection(spinner_def);
 248         }
 249
 250
 251         private void add_distance(Spinner spinner, double[] distances_km, double def_km, double[] distances_mi, double def_mi) {
 252
 253                 ArrayAdapter<Double> adapter = new ArrayAdapter<Double>(this, android.R.layout.simple_spinner_item);
 254
 255                 int     spinner_def = 0;
 256                 int     pos = 0;
 257
 258                 double[] distances;
 259                 double  def;
 260                 if (AltosPreferences.imperial_units()) {
 261                         distances = distances_mi;
 262                         def = def_mi;
 263                 } else {
 264                         distances = distances_km;
 265                         def = def_km;
 266                 }
 267
 268                 for (int i = 0; i < distances.length; i++) {
 269                         adapter.add(distances[i]);
 270                         if (distances[i] == def)
 271                                 spinner_def = pos;
 272                         pos++;
 273                 }
 274
 275                 spinner.setAdapter(adapter);
 276                 spinner.setSelection(spinner_def);
 277         }
 278
 279
 280
 281         class SiteListListener implements OnItemSelectedListener {
 282                 public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
 283                         AltosLaunchSite site = (AltosLaunchSite) parent.getItemAtPosition(pos);
 284                         latitude.setText(new StringBuffer(String.format("%12.6f", site.latitude)));
 285                         longitude.setText(new StringBuffer(String.format("%12.6f", site.longitude)));
 286                 }
 287                 public void onNothingSelected(AdapterView<?> parent) {
 288                 }
 289
 290                 public SiteListListener() {
 291                 }
 292         }
 293
 294         double[]        radius_mi = { 1, 2, 5, 10, 20 };
 295         double          radius_def_mi = 2;
 296         double[]        radius_km = { 1, 2, 5, 10, 20, 30 };
 297         double          radius_def_km = 2;
 298
 299         @Override
 300         protected void onCreate(Bundle savedInstanceState) {
 301                 super.onCreate(savedInstanceState);
 302
 303                 // Setup the window
 304                 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 305                 setContentView(R.layout.map_preload);
 306
 307                 // Set result CANCELED incase the user backs out
 308                 setResult(Activity.RESULT_CANCELED);
 309
 310                 // Initialize the button to perform device discovery
 311                 Button loadButton = (Button) findViewById(R.id.preload_load);
 312                 loadButton.setOnClickListener(new OnClickListener() {
 313                         public void onClick(View v) {
 314                                 load();
 315                         }
 316                 });
 317
 318                 latitude = (EditText) findViewById(R.id.preload_latitude);
 319                 longitude = (EditText) findViewById(R.id.preload_longitude);
 320
 321                 hybrid = (CheckBox) findViewById(R.id.preload_hybrid);
 322                 satellite = (CheckBox) findViewById(R.id.preload_satellite);
 323                 roadmap = (CheckBox) findViewById(R.id.preload_roadmap);
 324                 terrain = (CheckBox) findViewById(R.id.preload_terrain);
 325
 326                 hybrid.setChecked(true);
 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 }