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   1 /*
   2  * Copyright © 2012-2013 Mike Beattie <mike@ethernal.org>
   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.lang.ref.WeakReference;
  21 import java.text.*;
  22 import java.util.*;
  23 import java.io.*;
  24
  25 import android.app.Activity;
  26 import android.app.PendingIntent;
  27 import android.bluetooth.BluetoothAdapter;
  28 import android.bluetooth.BluetoothDevice;
  29 import android.content.Intent;
  30 import android.content.Context;
  31 import android.content.ComponentName;
  32 import android.content.ServiceConnection;
  33 import android.content.DialogInterface;
  34 import android.os.IBinder;
  35 import android.os.Bundle;
  36 import android.os.Handler;
  37 import android.os.Message;
  38 import android.os.Messenger;
  39 import android.os.RemoteException;
  40 import android.content.res.Resources;
  41 import android.support.v4.app.FragmentActivity;
  42 import android.support.v4.app.FragmentManager;
  43 import android.util.DisplayMetrics;
  44 import android.view.*;
  45 import android.widget.*;
  46 import android.app.AlertDialog;
  47 import android.location.Location;
  48 import android.location.LocationManager;
  49 import android.location.LocationListener;
  50 import android.hardware.usb.*;
  51 import android.graphics.*;
  52 import android.graphics.drawable.*;
  53
  54 import org.altusmetrum.altoslib_10.*;
  55
  56 public class AltosDroid extends FragmentActivity implements AltosUnitsListener, LocationListener {
  57
  58         // Actions sent to the telemetry server at startup time
  59
  60         public static final String ACTION_BLUETOOTH = "org.altusmetrum.AltosDroid.BLUETOOTH";
  61         public static final String ACTION_USB = "org.altusmetrum.AltosDroid.USB";
  62
  63         // Message types received by our Handler
  64
  65         public static final int MSG_STATE           = 1;
  66         public static final int MSG_UPDATE_AGE      = 2;
  67         public static final int MSG_IDLE_MODE       = 3;
  68         public static final int MSG_IGNITER_STATUS  = 4;
  69
  70         // Intent request codes
  71         public static final int REQUEST_CONNECT_DEVICE = 1;
  72         public static final int REQUEST_ENABLE_BT      = 2;
  73         public static final int REQUEST_PRELOAD_MAPS   = 3;
  74         public static final int REQUEST_IDLE_MODE      = 5;
  75         public static final int REQUEST_IGNITERS       = 6;
  76         public static final int REQUEST_SETUP          = 7;
  77
  78         public static final String EXTRA_IDLE_MODE = "idle_mode";
  79         public static final String EXTRA_IDLE_RESULT = "idle_result";
  80         public static final String EXTRA_TELEMETRY_SERVICE = "telemetry_service";
  81
  82         // Setup result bits
  83         public static final int SETUP_BAUD = 1;
  84         public static final int SETUP_UNITS = 2;
  85         public static final int SETUP_MAP_SOURCE = 4;
  86         public static final int SETUP_MAP_TYPE = 8;
  87
  88         public static FragmentManager   fm;
  89
  90         private BluetoothAdapter mBluetoothAdapter = null;
  91
  92         // Flight state values
  93         private TextView mCallsignView;
  94         private TextView mRSSIView;
  95         private TextView mSerialView;
  96         private TextView mFlightView;
  97         private RelativeLayout mStateLayout;
  98         private TextView mStateView;
  99         private TextView mAgeView;
 100         private boolean  mAgeViewOld;
 101         private int mAgeNewColor;
 102         private int mAgeOldColor;
 103
 104         public static final String      tab_pad_name = "pad";
 105         public static final String      tab_flight_name = "flight";
 106         public static final String      tab_recover_name = "recover";
 107         public static final String      tab_map_name = "map";
 108
 109         // field to display the version at the bottom of the screen
 110         private TextView mVersion;
 111
 112         private double frequency;
 113         private int telemetry_rate;
 114
 115         private boolean idle_mode = false;
 116
 117         public Location location = null;
 118
 119         // Tabs
 120         TabHost         mTabHost;
 121         AltosViewPager  mViewPager;
 122         TabsAdapter     mTabsAdapter;
 123         ArrayList<AltosDroidTab> mTabs = new ArrayList<AltosDroidTab>();
 124         int             tabHeight;
 125
 126         // Timer and Saved flight state for Age calculation
 127         private Timer timer;
 128         AltosState saved_state;
 129         TelemetryState  telemetry_state;
 130         Integer[]       serials;
 131
 132         UsbDevice       pending_usb_device;
 133         boolean         start_with_usb;
 134
 135         // Service
 136         private boolean mIsBound   = false;
 137         private Messenger mService = null;
 138         final Messenger mMessenger = new Messenger(new IncomingHandler(this));
 139
 140         // Text to Speech
 141         private AltosVoice mAltosVoice = null;
 142
 143         // The Handler that gets information back from the Telemetry Service
 144         static class IncomingHandler extends Handler {
 145                 private final WeakReference<AltosDroid> mAltosDroid;
 146                 IncomingHandler(AltosDroid ad) { mAltosDroid = new WeakReference<AltosDroid>(ad); }
 147
 148                 @Override
 149                 public void handleMessage(Message msg) {
 150                         AltosDroid ad = mAltosDroid.get();
 151
 152                         switch (msg.what) {
 153                         case MSG_STATE:
 154                                 if (msg.obj == null) {
 155                                         AltosDebug.debug("telemetry_state null!");
 156                                         return;
 157                                 }
 158                                 ad.update_state((TelemetryState) msg.obj);
 159                                 break;
 160                         case MSG_UPDATE_AGE:
 161                                 ad.update_age();
 162                                 break;
 163                         case MSG_IDLE_MODE:
 164                                 ad.idle_mode = (Boolean) msg.obj;
 165                                 ad.update_state(null);
 166                                 break;
 167                         }
 168                 }
 169         };
 170
 171
 172         private ServiceConnection mConnection = new ServiceConnection() {
 173                 public void onServiceConnected(ComponentName className, IBinder service) {
 174                         mService = new Messenger(service);
 175                         try {
 176                                 Message msg = Message.obtain(null, TelemetryService.MSG_REGISTER_CLIENT);
 177                                 msg.replyTo = mMessenger;
 178                                 mService.send(msg);
 179                         } catch (RemoteException e) {
 180                                 // In this case the service has crashed before we could even do anything with it
 181                         }
 182                         if (pending_usb_device != null) {
 183                                 try {
 184                                         mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, pending_usb_device));
 185                                         pending_usb_device = null;
 186                                 } catch (RemoteException e) {
 187                                 }
 188                         }
 189                 }
 190
 191                 public void onServiceDisconnected(ComponentName className) {
 192                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 193                         mService = null;
 194                 }
 195         };
 196
 197         void doBindService() {
 198                 bindService(new Intent(this, TelemetryService.class), mConnection, Context.BIND_AUTO_CREATE);
 199                 mIsBound = true;
 200         }
 201
 202         void doUnbindService() {
 203                 if (mIsBound) {
 204                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 205                         if (mService != null) {
 206                                 try {
 207                                         Message msg = Message.obtain(null, TelemetryService.MSG_UNREGISTER_CLIENT);
 208                                         msg.replyTo = mMessenger;
 209                                         mService.send(msg);
 210                                 } catch (RemoteException e) {
 211                                         // There is nothing special we need to do if the service has crashed.
 212                                 }
 213                         }
 214                         // Detach our existing connection.
 215                         unbindService(mConnection);
 216                         mIsBound = false;
 217                 }
 218         }
 219
 220         public void registerTab(AltosDroidTab mTab) {
 221                 mTabs.add(mTab);
 222         }
 223
 224         public void unregisterTab(AltosDroidTab mTab) {
 225                 mTabs.remove(mTab);
 226         }
 227
 228         public void units_changed(boolean imperial_units) {
 229                 for (AltosDroidTab mTab : mTabs)
 230                         mTab.units_changed(imperial_units);
 231         }
 232
 233         void update_title(TelemetryState telemetry_state) {
 234                 switch (telemetry_state.connect) {
 235                 case TelemetryState.CONNECT_CONNECTED:
 236                         if (telemetry_state.config != null) {
 237                                 String str = String.format("S/N %d %6.3f MHz%s", telemetry_state.config.serial,
 238                                                            telemetry_state.frequency, idle_mode ? " (idle)" : "");
 239                                 if (telemetry_state.telemetry_rate != AltosLib.ao_telemetry_rate_38400)
 240                                         str = str.concat(String.format(" %d bps",
 241                                                                        AltosLib.ao_telemetry_rate_values[telemetry_state.telemetry_rate]));
 242                                 setTitle(str);
 243                         } else {
 244                                 setTitle(R.string.title_connected_to);
 245                         }
 246                         break;
 247                 case TelemetryState.CONNECT_CONNECTING:
 248                         if (telemetry_state.address != null)
 249                                 setTitle(String.format("Connecting to %s...", telemetry_state.address.name));
 250                         else
 251                                 setTitle("Connecting to something...");
 252                         break;
 253                 case TelemetryState.CONNECT_DISCONNECTED:
 254                 case TelemetryState.CONNECT_NONE:
 255                         setTitle(R.string.title_not_connected);
 256                         break;
 257                 }
 258         }
 259
 260         void start_timer() {
 261                 if (timer == null) {
 262                         timer = new Timer();
 263                         timer.scheduleAtFixedRate(new TimerTask(){ public void run() {onTimerTick();}}, 1000L, 1000L);
 264                 }
 265         }
 266
 267         void stop_timer() {
 268                 if (timer != null) {
 269                         timer.cancel();
 270                         timer.purge();
 271                         timer = null;
 272                 }
 273         }
 274
 275         int     selected_serial = 0;
 276         int     current_serial;
 277         long    switch_time;
 278
 279         void set_switch_time() {
 280                 switch_time = System.currentTimeMillis();
 281                 selected_serial = 0;
 282         }
 283
 284         boolean registered_units_listener;
 285
 286         void update_state(TelemetryState new_telemetry_state) {
 287
 288                 if (new_telemetry_state != null)
 289                         telemetry_state = new_telemetry_state;
 290
 291                 if (selected_serial != 0)
 292                         current_serial = selected_serial;
 293
 294                 if (current_serial == 0)
 295                         current_serial = telemetry_state.latest_serial;
 296
 297                 if (!registered_units_listener) {
 298                         registered_units_listener = true;
 299                         AltosPreferences.register_units_listener(this);
 300                 }
 301
 302                 serials = telemetry_state.states.keySet().toArray(new Integer[0]);
 303                 Arrays.sort(serials);
 304
 305                 update_title(telemetry_state);
 306
 307                 AltosState      state = null;
 308                 boolean         aged = true;
 309
 310                 if (telemetry_state.states.containsKey(current_serial)) {
 311                         state = telemetry_state.states.get(current_serial);
 312                         int age = state_age(state);
 313                         if (age < 20)
 314                                 aged = false;
 315                         if (current_serial == selected_serial)
 316                                 aged = false;
 317                         else if (switch_time != 0 && (switch_time - state.received_time) > 0)
 318                                 aged = true;
 319                 }
 320
 321                 if (aged) {
 322                         AltosState      newest_state = null;
 323                         int             newest_age = 0;
 324
 325                         for (int serial : telemetry_state.states.keySet()) {
 326                                 AltosState      existing = telemetry_state.states.get(serial);
 327                                 int             existing_age = state_age(existing);
 328
 329                                 if (newest_state == null || existing_age < newest_age) {
 330                                         newest_state = existing;
 331                                         newest_age = existing_age;
 332                                 }
 333                         }
 334
 335                         if (newest_state != null)
 336                                 state = newest_state;
 337                 }
 338
 339                 update_ui(telemetry_state, state);
 340
 341                 start_timer();
 342         }
 343
 344         boolean same_string(String a, String b) {
 345                 if (a == null) {
 346                         if (b == null)
 347                                 return true;
 348                         return false;
 349                 } else {
 350                         if (b == null)
 351                                 return false;
 352                         return a.equals(b);
 353                 }
 354         }
 355
 356
 357         private int blend_component(int a, int b, double r, int shift, int mask) {
 358                 return ((int) (((a >> shift) & mask) * r + ((b >> shift) & mask) * (1 - r)) & mask) << shift;
 359         }
 360         private int blend_color(int a, int b, double r) {
 361                 return (blend_component(a, b, r, 0, 0xff) |
 362                         blend_component(a, b, r, 8, 0xff) |
 363                         blend_component(a, b, r, 16, 0xff) |
 364                         blend_component(a, b, r, 24, 0xff));
 365         }
 366
 367         int state_age(AltosState state) {
 368                 return (int) ((System.currentTimeMillis() - state.received_time + 500) / 1000);
 369         }
 370
 371         void set_screen_on(int age) {
 372                 if (age < 60)
 373                         getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 374                 else
 375                         getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 376         }
 377
 378         void update_age() {
 379                 if (saved_state != null) {
 380                         int age = state_age(saved_state);
 381
 382                         double age_scale = age / 100.0;
 383
 384                         if (age_scale > 1.0)
 385                                 age_scale = 1.0;
 386
 387                         mAgeView.setTextColor(blend_color(mAgeOldColor, mAgeNewColor, age_scale));
 388
 389                         set_screen_on(age);
 390
 391                         String  text;
 392                         if (age < 60)
 393                                 text = String.format("%ds", age);
 394                         else if (age < 60 * 60)
 395                                 text = String.format("%dm", age / 60);
 396                         else if (age < 60 * 60 * 24)
 397                                 text = String.format("%dh", age / (60 * 60));
 398                         else
 399                                 text = String.format("%dd", age / (24 * 60 * 60));
 400                         mAgeView.setText(text);
 401                 }
 402         }
 403
 404         void update_ui(TelemetryState telem_state, AltosState state) {
 405
 406                 int prev_state = AltosLib.ao_flight_invalid;
 407
 408                 AltosGreatCircle from_receiver = null;
 409
 410                 if (saved_state != null)
 411                         prev_state = saved_state.state();
 412
 413                 if (state != null) {
 414                         set_screen_on(state_age(state));
 415
 416                         if (state.state() == AltosLib.ao_flight_stateless) {
 417                                 boolean prev_locked = false;
 418                                 boolean locked = false;
 419
 420                                 if(state.gps != null)
 421                                         locked = state.gps.locked;
 422                                 if (saved_state != null && saved_state.gps != null)
 423                                         prev_locked = saved_state.gps.locked;
 424                                 if (prev_locked != locked) {
 425                                         String currentTab = mTabHost.getCurrentTabTag();
 426                                         if (locked) {
 427                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 428                                         } else {
 429                                                 if (currentTab.equals(tab_flight_name)) mTabHost.setCurrentTabByTag(tab_pad_name);
 430                                         }
 431                                 }
 432                         } else {
 433                                 if (prev_state != state.state()) {
 434                                         String currentTab = mTabHost.getCurrentTabTag();
 435                                         switch (state.state()) {
 436                                         case AltosLib.ao_flight_boost:
 437                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 438                                                 break;
 439                                         case AltosLib.ao_flight_landed:
 440                                                 if (currentTab.equals(tab_flight_name)) mTabHost.setCurrentTabByTag(tab_recover_name);
 441                                                 break;
 442                                         case AltosLib.ao_flight_stateless:
 443                                                 if (currentTab.equals(tab_pad_name)) mTabHost.setCurrentTabByTag(tab_flight_name);
 444                                                 break;
 445                                         }
 446                                 }
 447                         }
 448
 449                         if (location != null && state.gps != null && state.gps.locked) {
 450                                 double altitude = 0;
 451                                 if (location.hasAltitude())
 452                                         altitude = location.getAltitude();
 453                                 from_receiver = new AltosGreatCircle(location.getLatitude(),
 454                                                                      location.getLongitude(),
 455                                                                      altitude,
 456                                                                      state.gps.lat,
 457                                                                      state.gps.lon,
 458                                                                      state.gps.alt);
 459                         }
 460
 461                         if (saved_state == null || !same_string(saved_state.callsign, state.callsign)) {
 462                                 mCallsignView.setText(state.callsign);
 463                         }
 464                         if (saved_state == null || state.serial != saved_state.serial) {
 465                                 if (state.serial == AltosLib.MISSING)
 466                                         mSerialView.setText("");
 467                                 else
 468                                         mSerialView.setText(String.format("%d", state.serial));
 469                         }
 470                         if (saved_state == null || state.flight != saved_state.flight) {
 471                                 if (state.flight == AltosLib.MISSING)
 472                                         mFlightView.setText("");
 473                                 else
 474                                         mFlightView.setText(String.format("%d", state.flight));
 475                         }
 476                         if (saved_state == null || state.state() != saved_state.state()) {
 477                                 if (state.state() == AltosLib.ao_flight_stateless) {
 478                                         mStateLayout.setVisibility(View.GONE);
 479                                 } else {
 480                                         mStateView.setText(state.state_name());
 481                                         mStateLayout.setVisibility(View.VISIBLE);
 482                                 }
 483                         }
 484                         if (saved_state == null || state.rssi != saved_state.rssi) {
 485                                 if (state.rssi == AltosLib.MISSING)
 486                                         mRSSIView.setText("");
 487                                 else
 488                                         mRSSIView.setText(String.format("%d", state.rssi));
 489                         }
 490                 }
 491
 492                 for (AltosDroidTab mTab : mTabs)
 493                         mTab.update_ui(telem_state, state, from_receiver, location, mTab == mTabsAdapter.currentItem());
 494
 495                 if (mAltosVoice != null)
 496                         mAltosVoice.tell(telem_state, state, from_receiver, location, (AltosDroidTab) mTabsAdapter.currentItem());
 497
 498                 saved_state = state;
 499         }
 500
 501         private void onTimerTick() {
 502                 try {
 503                         mMessenger.send(Message.obtain(null, MSG_UPDATE_AGE));
 504                 } catch (RemoteException e) {
 505                 }
 506         }
 507
 508         static String pos(double p, String pos, String neg) {
 509                 String  h = pos;
 510                 if (p == AltosLib.MISSING)
 511                         return "";
 512                 if (p < 0) {
 513                         h = neg;
 514                         p = -p;
 515                 }
 516                 int deg = (int) Math.floor(p);
 517                 double min = (p - Math.floor(p)) * 60.0;
 518                 return String.format("%d°%9.4f\" %s", deg, min, h);
 519         }
 520
 521         static String number(String format, double value) {
 522                 if (value == AltosLib.MISSING)
 523                         return "";
 524                 return String.format(format, value);
 525         }
 526
 527         static String integer(String format, int value) {
 528                 if (value == AltosLib.MISSING)
 529                         return "";
 530                 return String.format(format, value);
 531         }
 532
 533         private View create_tab_view(String label) {
 534                 LayoutInflater inflater = (LayoutInflater) this.getLayoutInflater();
 535                 View tab_view = inflater.inflate(R.layout.tab_layout, null);
 536                 TextView text_view = (TextView) tab_view.findViewById (R.id.tabLabel);
 537                 text_view.setText(label);
 538                 return tab_view;
 539         }
 540
 541         @Override
 542         public void onCreate(Bundle savedInstanceState) {
 543                 super.onCreate(savedInstanceState);
 544                 AltosDebug.init(this);
 545                 AltosDebug.debug("+++ ON CREATE +++");
 546
 547                 // Initialise preferences
 548                 AltosDroidPreferences.init(this);
 549
 550                 fm = getSupportFragmentManager();
 551
 552                 // Set up the window layout
 553                 setContentView(R.layout.altosdroid);
 554
 555                 // Create the Tabs and ViewPager
 556                 mTabHost = (TabHost)findViewById(android.R.id.tabhost);
 557                 mTabHost.setup();
 558
 559                 mViewPager = (AltosViewPager)findViewById(R.id.pager);
 560                 mViewPager.setOffscreenPageLimit(4);
 561
 562                 mTabsAdapter = new TabsAdapter(this, mTabHost, mViewPager);
 563
 564                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_pad_name).setIndicator(create_tab_view("Pad")), TabPad.class, null);
 565                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_flight_name).setIndicator(create_tab_view("Flight")), TabFlight.class, null);
 566                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_recover_name).setIndicator(create_tab_view("Recover")), TabRecover.class, null);
 567                 mTabsAdapter.addTab(mTabHost.newTabSpec(tab_map_name).setIndicator(create_tab_view("Map")), TabMap.class, null);
 568
 569                 // Display the Version
 570                 mVersion = (TextView) findViewById(R.id.version);
 571                 mVersion.setText("Version: " + BuildInfo.version +
 572                                  "  Built: " + BuildInfo.builddate + " " + BuildInfo.buildtime + " " + BuildInfo.buildtz +
 573                                  "  (" + BuildInfo.branch + "-" + BuildInfo.commitnum + "-" + BuildInfo.commithash + ")");
 574
 575                 mCallsignView  = (TextView) findViewById(R.id.callsign_value);
 576                 mRSSIView      = (TextView) findViewById(R.id.rssi_value);
 577                 mSerialView    = (TextView) findViewById(R.id.serial_value);
 578                 mFlightView    = (TextView) findViewById(R.id.flight_value);
 579                 mStateLayout   = (RelativeLayout) findViewById(R.id.state_container);
 580                 mStateView     = (TextView) findViewById(R.id.state_value);
 581                 mAgeView       = (TextView) findViewById(R.id.age_value);
 582                 mAgeNewColor   = mAgeView.getTextColors().getDefaultColor();
 583                 mAgeOldColor   = getResources().getColor(R.color.old_color);
 584         }
 585
 586         private void ensureBluetooth() {
 587                 // Get local Bluetooth adapter
 588                 mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
 589
 590                 /* if there is a BT adapter and it isn't turned on, then turn it on */
 591                 if (mBluetoothAdapter != null && !mBluetoothAdapter.isEnabled()) {
 592                         Intent enableIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
 593                         startActivityForResult(enableIntent, AltosDroid.REQUEST_ENABLE_BT);
 594                 }
 595         }
 596
 597         private boolean check_usb() {
 598                 UsbDevice       device = AltosUsb.find_device(this, AltosLib.product_basestation);
 599
 600                 if (device != null) {
 601                         Intent          i = new Intent(this, AltosDroid.class);
 602                         PendingIntent   pi = PendingIntent.getActivity(this, 0, new Intent("hello world", null, this, AltosDroid.class), 0);
 603
 604                         if (AltosUsb.request_permission(this, device, pi)) {
 605                                 connectUsb(device);
 606                         }
 607                         start_with_usb = true;
 608                         return true;
 609                 }
 610
 611                 start_with_usb = false;
 612
 613                 return false;
 614         }
 615
 616         private void noticeIntent(Intent intent) {
 617
 618                 /* Ok, this is pretty convenient.
 619                  *
 620                  * When a USB device is plugged in, and our 'hotplug'
 621                  * intent registration fires, we get an Intent with
 622                  * EXTRA_DEVICE set.
 623                  *
 624                  * When we start up and see a usb device and request
 625                  * permission to access it, that queues a
 626                  * PendingIntent, which has the EXTRA_DEVICE added in,
 627                  * along with the EXTRA_PERMISSION_GRANTED field as
 628                  * well.
 629                  *
 630                  * So, in both cases, we get the device name using the
 631                  * same call. We check to see if access was granted,
 632                  * in which case we ignore the device field and do our
 633                  * usual startup thing.
 634                  */
 635
 636                 UsbDevice device = (UsbDevice) intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
 637                 boolean granted = intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, true);
 638
 639                 AltosDebug.debug("intent %s device %s granted %s", intent, device, granted);
 640
 641                 if (!granted)
 642                         device = null;
 643
 644                 if (device != null) {
 645                         AltosDebug.debug("intent has usb device " + device.toString());
 646                         connectUsb(device);
 647                 } else {
 648
 649                         /* 'granted' is only false if this intent came
 650                          * from the request_permission call and
 651                          * permission was denied. In which case, we
 652                          * don't want to loop forever...
 653                          */
 654                         if (granted) {
 655                                 AltosDebug.debug("check for a USB device at startup");
 656                                 if (check_usb())
 657                                         return;
 658                         }
 659                         AltosDebug.debug("Starting by looking for bluetooth devices");
 660                         ensureBluetooth();
 661                 }
 662         }
 663
 664         @Override
 665         public void onStart() {
 666                 super.onStart();
 667                 AltosDebug.debug("++ ON START ++");
 668
 669                 set_switch_time();
 670
 671                 noticeIntent(getIntent());
 672
 673                 // Start Telemetry Service
 674                 String  action = start_with_usb ? ACTION_USB : ACTION_BLUETOOTH;
 675
 676                 startService(new Intent(action, null, AltosDroid.this, TelemetryService.class));
 677
 678                 doBindService();
 679
 680                 if (mAltosVoice == null)
 681                         mAltosVoice = new AltosVoice(this);
 682
 683         }
 684
 685         @Override
 686         public void onNewIntent(Intent intent) {
 687                 super.onNewIntent(intent);
 688                 AltosDebug.debug("onNewIntent");
 689                 noticeIntent(intent);
 690         }
 691
 692         @Override
 693         public void onResume() {
 694                 super.onResume();
 695                 AltosDebug.debug("+ ON RESUME +");
 696
 697                 // Listen for GPS and Network position updates
 698                 LocationManager locationManager = (LocationManager) this.getSystemService(Context.LOCATION_SERVICE);
 699                 locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 1, this);
 700
 701                 location = locationManager.getLastKnownLocation(LocationManager.GPS_PROVIDER);
 702
 703                 if (location != null)
 704                         AltosDebug.debug("Resume, location is %f,%f\n",
 705                                          location.getLatitude(),
 706                                          location.getLongitude());
 707
 708                 update_ui(telemetry_state, saved_state);
 709         }
 710
 711         @Override
 712         public void onPause() {
 713                 super.onPause();
 714                 AltosDebug.debug("- ON PAUSE -");
 715                 // Stop listening for location updates
 716                 ((LocationManager) getSystemService(Context.LOCATION_SERVICE)).removeUpdates(this);
 717         }
 718
 719         @Override
 720         public void onStop() {
 721                 super.onStop();
 722                 AltosDebug.debug("-- ON STOP --");
 723         }
 724
 725         @Override
 726         public void onDestroy() {
 727                 super.onDestroy();
 728                 AltosDebug.debug("--- ON DESTROY ---");
 729
 730                 doUnbindService();
 731                 if (mAltosVoice != null) {
 732                         mAltosVoice.stop();
 733                         mAltosVoice = null;
 734                 }
 735                 stop_timer();
 736         }
 737
 738         protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 739                 AltosDebug.debug("onActivityResult " + resultCode);
 740                 switch (requestCode) {
 741                 case REQUEST_CONNECT_DEVICE:
 742                         // When DeviceListActivity returns with a device to connect to
 743                         if (resultCode == Activity.RESULT_OK) {
 744                                 connectDevice(data);
 745                         }
 746                         break;
 747                 case REQUEST_ENABLE_BT:
 748                         // When the request to enable Bluetooth returns
 749                         if (resultCode == Activity.RESULT_OK) {
 750                                 // Bluetooth is now enabled, so set up a chat session
 751                                 //setupChat();
 752                                 AltosDebug.debug("BT enabled");
 753                                 bluetoothEnabled(data);
 754                         } else {
 755                                 // User did not enable Bluetooth or an error occured
 756                                 AltosDebug.debug("BT not enabled");
 757                         }
 758                         break;
 759                 case REQUEST_IDLE_MODE:
 760                         if (resultCode == Activity.RESULT_OK)
 761                                 idle_mode(data);
 762                         break;
 763                 case REQUEST_IGNITERS:
 764                         break;
 765                 case REQUEST_SETUP:
 766                         if (resultCode == Activity.RESULT_OK)
 767                                 note_setup_changes(data);
 768                         break;
 769                 }
 770         }
 771
 772         private void note_setup_changes(Intent data) {
 773                 int changes = data.getIntExtra(SetupActivity.EXTRA_SETUP_CHANGES, 0);
 774
 775                 if ((changes & SETUP_BAUD) != 0) {
 776                         try {
 777                                 mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD,
 778                                                              AltosPreferences.telemetry_rate(1)));
 779                         } catch (RemoteException re) {
 780                         }
 781                 }
 782                 if ((changes & SETUP_UNITS) != 0) {
 783                         /* nothing to do here */
 784                 }
 785                 if ((changes & SETUP_MAP_SOURCE) != 0) {
 786                         /* nothing to do here */
 787                 }
 788                 if ((changes & SETUP_MAP_TYPE) != 0) {
 789                         /* nothing to do here */
 790                 }
 791                 set_switch_time();
 792         }
 793
 794         private void connectUsb(UsbDevice device) {
 795                 if (mService == null)
 796                         pending_usb_device = device;
 797                 else {
 798                         // Attempt to connect to the device
 799                         try {
 800                                 mService.send(Message.obtain(null, TelemetryService.MSG_OPEN_USB, device));
 801                                 AltosDebug.debug("Sent OPEN_USB message");
 802                         } catch (RemoteException e) {
 803                                 AltosDebug.debug("connect device message failed");
 804                         }
 805                 }
 806         }
 807
 808         private void bluetoothEnabled(Intent data) {
 809                 try {
 810                         mService.send(Message.obtain(null, TelemetryService.MSG_BLUETOOTH_ENABLED, null));
 811                 } catch (RemoteException e) {
 812                         AltosDebug.debug("send BT enabled message failed");
 813                 }
 814         }
 815
 816         private void connectDevice(Intent data) {
 817                 // Attempt to connect to the device
 818                 try {
 819                         String address = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_ADDRESS);
 820                         String name = data.getExtras().getString(DeviceListActivity.EXTRA_DEVICE_NAME);
 821
 822                         AltosDebug.debug("Connecting to " + address + " " + name);
 823                         DeviceAddress   a = new DeviceAddress(address, name);
 824                         mService.send(Message.obtain(null, TelemetryService.MSG_CONNECT, a));
 825                         AltosDebug.debug("Sent connecting message");
 826                 } catch (RemoteException e) {
 827                         AltosDebug.debug("connect device message failed");
 828                 }
 829         }
 830
 831         private void disconnectDevice() {
 832                 try {
 833                         mService.send(Message.obtain(null, TelemetryService.MSG_DISCONNECT, null));
 834                 } catch (RemoteException e) {
 835                 }
 836         }
 837
 838         private void idle_mode(Intent data) {
 839                 int type = data.getIntExtra(IdleModeActivity.EXTRA_IDLE_RESULT, -1);
 840                 Message msg;
 841
 842                 AltosDebug.debug("intent idle_mode %d", type);
 843                 switch (type) {
 844                 case IdleModeActivity.IDLE_MODE_CONNECT:
 845                         msg = Message.obtain(null, TelemetryService.MSG_MONITOR_IDLE_START);
 846                         try {
 847                                 mService.send(msg);
 848                         } catch (RemoteException re) {
 849                         }
 850                         break;
 851                 case IdleModeActivity.IDLE_MODE_DISCONNECT:
 852                         msg = Message.obtain(null, TelemetryService.MSG_MONITOR_IDLE_STOP);
 853                         try {
 854                                 mService.send(msg);
 855                         } catch (RemoteException re) {
 856                         }
 857                         break;
 858                 case IdleModeActivity.IDLE_MODE_REBOOT:
 859                         msg = Message.obtain(null, TelemetryService.MSG_REBOOT);
 860                         try {
 861                                 mService.send(msg);
 862                         } catch (RemoteException re) {
 863                         }
 864                         break;
 865                 case IdleModeActivity.IDLE_MODE_IGNITERS:
 866                         Intent serverIntent = new Intent(this, IgniterActivity.class);
 867                         startActivityForResult(serverIntent, REQUEST_IGNITERS);
 868                         break;
 869                 }
 870         }
 871
 872         @Override
 873         public boolean onCreateOptionsMenu(Menu menu) {
 874                 MenuInflater inflater = getMenuInflater();
 875                 inflater.inflate(R.menu.option_menu, menu);
 876                 return true;
 877         }
 878
 879         void setFrequency(double freq) {
 880                 try {
 881                         mService.send(Message.obtain(null, TelemetryService.MSG_SETFREQUENCY, freq));
 882                         set_switch_time();
 883                 } catch (RemoteException e) {
 884                 }
 885         }
 886
 887         void setFrequency(String freq) {
 888                 try {
 889                         setFrequency (AltosParse.parse_double_net(freq.substring(11, 17)));
 890                 } catch (ParseException e) {
 891                 }
 892         }
 893
 894         void setBaud(int baud) {
 895                 try {
 896                         mService.send(Message.obtain(null, TelemetryService.MSG_SETBAUD, baud));
 897                         set_switch_time();
 898                 } catch (RemoteException e) {
 899                 }
 900         }
 901
 902         void setBaud(String baud) {
 903                 try {
 904                         int     value = Integer.parseInt(baud);
 905                         int     rate = AltosLib.ao_telemetry_rate_38400;
 906                         switch (value) {
 907                         case 2400:
 908                                 rate = AltosLib.ao_telemetry_rate_2400;
 909                                 break;
 910                         case 9600:
 911                                 rate = AltosLib.ao_telemetry_rate_9600;
 912                                 break;
 913                         case 38400:
 914                                 rate = AltosLib.ao_telemetry_rate_38400;
 915                                 break;
 916                         }
 917                         setBaud(rate);
 918                 } catch (NumberFormatException e) {
 919                 }
 920         }
 921
 922         void select_tracker(int serial) {
 923                 int i;
 924
 925                 AltosDebug.debug("select tracker %d\n", serial);
 926
 927                 if (serial == selected_serial) {
 928                         AltosDebug.debug("%d already selected\n", serial);
 929                         return;
 930                 }
 931
 932                 if (serial != 0) {
 933                         for (i = 0; i < serials.length; i++)
 934                                 if (serials[i] == serial)
 935                                         break;
 936
 937                         if (i == serials.length) {
 938                                 AltosDebug.debug("attempt to select unknown tracker %d\n", serial);
 939                                 return;
 940                         }
 941                 }
 942
 943                 current_serial = selected_serial = serial;
 944                 update_state(null);
 945         }
 946
 947         void touch_trackers(Integer[] serials) {
 948                 AlertDialog.Builder builder_tracker = new AlertDialog.Builder(this);
 949                 builder_tracker.setTitle("Select Tracker");
 950                 final String[] trackers = new String[serials.length + 1];
 951                 trackers[0] = "Auto";
 952                 for (int i = 0; i < serials.length; i++)
 953                         trackers[i+1] = String.format("%d", serials[i]);
 954                 builder_tracker.setItems(trackers,
 955                                          new DialogInterface.OnClickListener() {
 956                                                  public void onClick(DialogInterface dialog, int item) {
 957                                                          if (item == 0)
 958                                                                  select_tracker(0);
 959                                                          else
 960                                                                  select_tracker(Integer.parseInt(trackers[item]));
 961                                                  }
 962                                          });
 963                 AlertDialog alert_tracker = builder_tracker.create();
 964                 alert_tracker.show();
 965         }
 966
 967         void delete_track(int serial) {
 968                 try {
 969                         mService.send(Message.obtain(null, TelemetryService.MSG_DELETE_SERIAL, (Integer) serial));
 970                 } catch (Exception ex) {
 971                 }
 972         }
 973
 974         @Override
 975         public boolean onOptionsItemSelected(MenuItem item) {
 976                 Intent serverIntent = null;
 977                 switch (item.getItemId()) {
 978                 case R.id.connect_scan:
 979                         ensureBluetooth();
 980                         // Launch the DeviceListActivity to see devices and do scan
 981                         serverIntent = new Intent(this, DeviceListActivity.class);
 982                         startActivityForResult(serverIntent, REQUEST_CONNECT_DEVICE);
 983                         return true;
 984                 case R.id.disconnect:
 985                         /* Disconnect the device
 986                          */
 987                         disconnectDevice();
 988                         return true;
 989                 case R.id.quit:
 990                         AltosDebug.debug("R.id.quit");
 991                         disconnectDevice();
 992                         finish();
 993                         return true;
 994                 case R.id.setup:
 995                         serverIntent = new Intent(this, SetupActivity.class);
 996                         startActivityForResult(serverIntent, REQUEST_SETUP);
 997                         return true;
 998                 case R.id.select_freq:
 999                         // Set the TBT radio frequency
1000
1001                         final String[] frequencies = {
1002                                 "Channel 0 (434.550MHz)",
1003                                 "Channel 1 (434.650MHz)",
1004                                 "Channel 2 (434.750MHz)",
1005                                 "Channel 3 (434.850MHz)",
1006                                 "Channel 4 (434.950MHz)",
1007                                 "Channel 5 (435.050MHz)",
1008                                 "Channel 6 (435.150MHz)",
1009                                 "Channel 7 (435.250MHz)",
1010                                 "Channel 8 (435.350MHz)",
1011                                 "Channel 9 (435.450MHz)"
1012                         };
1013
1014                         AlertDialog.Builder builder_freq = new AlertDialog.Builder(this);
1015                         builder_freq.setTitle("Pick a frequency");
1016                         builder_freq.setItems(frequencies,
1017                                          new DialogInterface.OnClickListener() {
1018                                                  public void onClick(DialogInterface dialog, int item) {
1019                                                          setFrequency(frequencies[item]);
1020                                                  }
1021                                          });
1022                         AlertDialog alert_freq = builder_freq.create();
1023                         alert_freq.show();
1024                         return true;
1025                 case R.id.select_tracker:
1026                         if (serials != null) {
1027                                 String[] trackers = new String[serials.length+1];
1028                                 trackers[0] = "Auto";
1029                                 for (int i = 0; i < serials.length; i++)
1030                                         trackers[i+1] = String.format("%d", serials[i]);
1031                                 AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
1032                                 builder_serial.setTitle("Select a tracker");
1033                                 builder_serial.setItems(trackers,
1034                                                         new DialogInterface.OnClickListener() {
1035                                                                 public void onClick(DialogInterface dialog, int item) {
1036                                                                         if (item == 0)
1037                                                                                 select_tracker(0);
1038                                                                         else
1039                                                                                 select_tracker(serials[item-1]);
1040                                                                 }
1041                                                         });
1042                                 AlertDialog alert_serial = builder_serial.create();
1043                                 alert_serial.show();
1044
1045                         }
1046                         return true;
1047                 case R.id.delete_track:
1048                         if (serials != null) {
1049                                 String[] trackers = new String[serials.length];
1050                                 for (int i = 0; i < serials.length; i++)
1051                                         trackers[i] = String.format("%d", serials[i]);
1052                                 AlertDialog.Builder builder_serial = new AlertDialog.Builder(this);
1053                                 builder_serial.setTitle("Delete a track");
1054                                 builder_serial.setItems(trackers,
1055                                                         new DialogInterface.OnClickListener() {
1056                                                                 public void onClick(DialogInterface dialog, int item) {
1057                                                                         delete_track(serials[item]);
1058                                                                 }
1059                                                         });
1060                                 AlertDialog alert_serial = builder_serial.create();
1061                                 alert_serial.show();
1062
1063                         }
1064                         return true;
1065                 case R.id.idle_mode:
1066                         serverIntent = new Intent(this, IdleModeActivity.class);
1067                         serverIntent.putExtra(EXTRA_IDLE_MODE, idle_mode);
1068                         startActivityForResult(serverIntent, REQUEST_IDLE_MODE);
1069                         return true;
1070                 }
1071                 return false;
1072         }
1073
1074         static String direction(AltosGreatCircle from_receiver,
1075                                 Location receiver) {
1076                 if (from_receiver == null)
1077                         return null;
1078
1079                 if (receiver == null)
1080                         return null;
1081
1082                 if (!receiver.hasBearing())
1083                         return null;
1084
1085                 float   bearing = receiver.getBearing();
1086                 float   heading = (float) from_receiver.bearing - bearing;
1087
1088                 while (heading <= -180.0f)
1089                         heading += 360.0f;
1090                 while (heading > 180.0f)
1091                         heading -= 360.0f;
1092
1093                 int iheading = (int) (heading + 0.5f);
1094
1095                 if (-1 < iheading && iheading < 1)
1096                         return "ahead";
1097                 else if (iheading < -179 || 179 < iheading)
1098                         return "backwards";
1099                 else if (iheading < 0)
1100                         return String.format("left %d°", -iheading);
1101                 else
1102                         return String.format("right %d°", iheading);
1103         }
1104
1105         public void onLocationChanged(Location location) {
1106                 this.location = location;
1107                 AltosDebug.debug("Location changed to %f,%f",
1108                                  location.getLatitude(),
1109                                  location.getLongitude());
1110                 update_ui(telemetry_state, saved_state);
1111         }
1112
1113         public void onStatusChanged(String provider, int status, Bundle extras) {
1114                 AltosDebug.debug("Location status now %d\n", status);
1115         }
1116
1117         public void onProviderEnabled(String provider) {
1118                 AltosDebug.debug("Location provider enabled %s\n", provider);
1119         }
1120
1121         public void onProviderDisabled(String provider) {
1122                 AltosDebug.debug("Location provider disabled %s\n", provider);
1123         }
1124 }