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

   1 /*
   2  * Copyright © 2016 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.lang.ref.WeakReference;
  22 import java.util.*;
  23
  24 import android.app.Activity;
  25 import android.content.*;
  26 import android.graphics.*;
  27 import android.os.*;
  28 import android.view.*;
  29 import android.view.View.*;
  30 import android.widget.*;
  31
  32 import org.altusmetrum.altoslib_13.*;
  33
  34 class IgniterItem {
  35         public String name;
  36         public String pretty;
  37         public String status;
  38         public LinearLayout igniter_view = null;
  39         public TextView pretty_view = null;
  40         public TextView status_view = null;
  41
  42         private void update() {
  43                 if (pretty_view != null)
  44                         pretty_view.setText(pretty);
  45                 if (status_view != null)
  46                         status_view.setText(status);
  47         }
  48
  49         public void set(String name, String pretty, String status) {
  50                 if (!name.equals(this.name) ||
  51                     !pretty.equals(this.pretty) ||
  52                     !status.equals(this.status))
  53                 {
  54                         this.name = name;
  55                         this.pretty = pretty;
  56                         this.status = status;
  57                         update();
  58                 }
  59         }
  60
  61         public void realize(LinearLayout igniter_view,
  62                             TextView pretty_view,
  63                             TextView status_view) {
  64                 if (igniter_view != this.igniter_view ||
  65                     pretty_view != this.pretty_view ||
  66                     status_view != this.status_view)
  67                 {
  68                         this.igniter_view = igniter_view;
  69                         this.pretty_view = pretty_view;
  70                         this.status_view = status_view;
  71                         update();
  72                 }
  73         }
  74
  75         public IgniterItem() {
  76         }
  77 }
  78
  79 class IgniterAdapter extends ArrayAdapter<IgniterItem> {
  80         int resource;
  81         int selected_item = -1;
  82
  83         public IgniterAdapter(Context context, int in_resource) {
  84                 super(context, in_resource);
  85                 resource = in_resource;
  86         }
  87
  88         @Override
  89         public View getView(int position, View convertView, ViewGroup parent) {
  90                 IgniterItem item = getItem(position);
  91                 if (item.igniter_view == null) {
  92                         LinearLayout igniter_view = new LinearLayout(getContext());
  93                         String inflater = Context.LAYOUT_INFLATER_SERVICE;
  94                         LayoutInflater li = (LayoutInflater) getContext().getSystemService(inflater);
  95                         li.inflate(resource, igniter_view, true);
  96
  97                         item.realize(igniter_view,
  98                                      (TextView) igniter_view.findViewById(R.id.igniter_name),
  99                                      (TextView) igniter_view.findViewById(R.id.igniter_status));
 100                 }
 101                 if (position == selected_item)
 102                         item.igniter_view.setBackgroundColor(Color.RED);
 103                 else
 104                         item.igniter_view.setBackgroundColor(Color.BLACK);
 105                 return item.igniter_view;
 106         }
 107 }
 108
 109 public class IgniterActivity extends Activity {
 110         private ListView igniters_view;
 111         private ToggleButton arm;
 112         private Button fire;
 113
 114         private HashMap<String,IgniterItem> igniters = new HashMap<String,IgniterItem>();;
 115
 116         private IgniterAdapter igniters_adapter;
 117
 118         private boolean is_bound;
 119         private Messenger service = null;
 120         private final Messenger messenger = new Messenger(new IncomingHandler(this));
 121
 122         private Timer query_timer;
 123         private boolean query_timer_running;
 124
 125         private Timer arm_timer;
 126         private int arm_remaining;
 127
 128         public static final int IGNITER_QUERY = 1;
 129         public static final int IGNITER_FIRE = 2;
 130
 131         // The Handler that gets information back from the Telemetry Service
 132         static class IncomingHandler extends Handler {
 133                 private final WeakReference<IgniterActivity> igniter_activity;
 134                 IncomingHandler(IgniterActivity ia) { igniter_activity = new WeakReference<IgniterActivity>(ia); }
 135
 136                 @Override
 137                 public void handleMessage(Message msg) {
 138                         IgniterActivity ia = igniter_activity.get();
 139
 140                         switch (msg.what) {
 141                         case AltosDroid.MSG_IGNITER_STATUS:
 142                                 ia.igniter_status((HashMap <String,Integer>) msg.obj);
 143                                 break;
 144                         }
 145                 }
 146         };
 147
 148
 149         private ServiceConnection connection = new ServiceConnection() {
 150                 public void onServiceConnected(ComponentName className, IBinder binder) {
 151                         service = new Messenger(binder);
 152                         query_timer_tick();
 153                 }
 154
 155                 public void onServiceDisconnected(ComponentName className) {
 156                         // This is called when the connection with the service has been unexpectedly disconnected - process crashed.
 157                         service = null;
 158                 }
 159         };
 160
 161         void doBindService() {
 162                 bindService(new Intent(this, TelemetryService.class), connection, Context.BIND_AUTO_CREATE);
 163                 is_bound = true;
 164         }
 165
 166         void doUnbindService() {
 167                 if (is_bound) {
 168                         // If we have received the service, and hence registered with it, then now is the time to unregister.
 169                         unbindService(connection);
 170                         is_bound = false;
 171                 }
 172         }
 173
 174         private void done() {
 175                 Intent intent = new Intent();
 176                 setResult(Activity.RESULT_OK, intent);
 177                 finish();
 178         }
 179
 180         class FireThread extends Thread {
 181                 private final String igniter;
 182
 183                 @Override
 184                 public void run() {
 185                         Message msg = Message.obtain(null, TelemetryService.MSG_IGNITER_FIRE, igniter);
 186                         try {
 187                                 service.send(msg);
 188                         } catch (RemoteException re) {
 189                         }
 190                 }
 191
 192                 public FireThread(String igniter) {
 193                         this.igniter = igniter;
 194                 }
 195         }
 196
 197         private void fire_igniter() {
 198                 if (igniters_adapter.selected_item >= 0) {
 199                         IgniterItem     item = igniters_adapter.getItem(igniters_adapter.selected_item);
 200                         FireThread      ft = new FireThread(item.name);
 201                         ft.run();
 202                         arm.setChecked(false);
 203                 }
 204         }
 205
 206         private void arm_igniter(boolean is_checked) {
 207                 if (is_checked) {
 208                         arm_timer_stop();
 209                         arm_timer = new Timer();
 210                         arm_remaining = 10;
 211                         arm_set_text();
 212                         fire.setEnabled(true);
 213                         arm_timer.scheduleAtFixedRate(new TimerTask() {
 214                                         public void run() {
 215                                                 arm_timer_tick();
 216                                         }},
 217                                 1000L, 1000L);
 218                 } else {
 219                         arm_timer_stop();
 220                         fire.setEnabled(false);
 221                 }
 222         }
 223
 224         private synchronized void query_timer_tick() {
 225                 if (query_timer_running)
 226                         return;
 227                 if (service == null)
 228                         return;
 229                 query_timer_running = true;
 230                 Thread thread = new Thread(new Runnable() {
 231                                 public void run() {
 232                                         try {
 233                                                 Message msg = Message.obtain(null, TelemetryService.MSG_IGNITER_QUERY);
 234                                                 msg.replyTo = messenger;
 235                                                 if (service == null) {
 236                                                         synchronized(IgniterActivity.this) {
 237                                                                 query_timer_running = false;
 238                                                         }
 239                                                 } else
 240                                                         service.send(msg);
 241                                         } catch (RemoteException re) {
 242                                                 AltosDebug.debug("igniter query thread failed");
 243                                                 synchronized(IgniterActivity.this) {
 244                                                         query_timer_running = false;
 245                                                 }
 246                                         }
 247                                 }
 248                         });
 249                 thread.start();
 250         }
 251
 252         private boolean set_igniter(HashMap <String,Integer> status, String name, String pretty) {
 253                 if (!status.containsKey(name))
 254                         return false;
 255
 256                 IgniterItem item;
 257                 if (!igniters.containsKey(name)) {
 258                         item = new IgniterItem();
 259                         igniters.put(name, item);
 260                         igniters_adapter.add(item);
 261                 } else
 262                         item = igniters.get(name);
 263
 264                 item.set(name, pretty, AltosIgnite.status_string(status.get(name)));
 265                 return true;
 266         }
 267
 268         private synchronized void igniter_status(HashMap <String,Integer> status) {
 269                 query_timer_running = false;
 270                 if (status == null) {
 271                         AltosDebug.debug("no igniter status");
 272                         return;
 273                 }
 274                 set_igniter(status, "drogue", "Apogee");
 275                 set_igniter(status, "main", "Main");
 276                 for (int extra = 0;; extra++) {
 277                         String  name = String.format("%d", extra);
 278                         String  pretty = String.format("%c", 'A' + extra);
 279                         if (!set_igniter(status, name, pretty))
 280                                 break;
 281                 }
 282         }
 283
 284         private synchronized void arm_timer_stop() {
 285                 if (arm_timer != null) {
 286                         arm_timer.cancel();
 287                         arm_timer = null;
 288                 }
 289                 arm_remaining = 0;
 290         }
 291
 292         private void arm_set_text() {
 293                 String  text = String.format("Armed %d", arm_remaining);
 294
 295                 if (arm.isChecked())
 296                         arm.setText(text);
 297                 arm.setTextOn(text);
 298         }
 299
 300         private void arm_timer_tick() {
 301                 --arm_remaining;
 302                 if (arm_remaining <= 0) {
 303                         arm_timer_stop();
 304                         runOnUiThread(new Runnable() {
 305                                         public void run() {
 306                                                 arm.setChecked(false);
 307                                                 fire.setEnabled(false);
 308                                         }
 309                                 });
 310                 } else {
 311                         runOnUiThread(new Runnable() {
 312                                         public void run() {
 313                                                 arm_set_text();
 314                                         }
 315                                 });
 316                 }
 317         }
 318
 319         private void select_item(int position) {
 320                 if (position != igniters_adapter.selected_item) {
 321                         if (igniters_adapter.selected_item >= 0)
 322                                 igniters_view.setItemChecked(igniters_adapter.selected_item, false);
 323                         if (position >= 0) {
 324                                 igniters_view.setItemChecked(position, true);
 325                                 arm.setEnabled(true);
 326                         } else
 327                                 arm.setEnabled(false);
 328                         igniters_adapter.selected_item = position;
 329                 }
 330         }
 331
 332         private class IgniterItemClickListener implements ListView.OnItemClickListener {
 333                 @Override
 334                 public void onItemClick(AdapterView<?> av, View v, int position, long id) {
 335                         AltosDebug.debug("select %d\n", position);
 336                         select_item(position);
 337                 }
 338         }
 339
 340         @Override
 341         protected void onCreate(Bundle savedInstanceState) {
 342                 super.onCreate(savedInstanceState);
 343
 344                 // Setup the window
 345                 requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
 346                 setContentView(R.layout.igniters);
 347
 348                 igniters_view = (ListView) findViewById(R.id.igniters);
 349                 igniters_view.setClickable(true);
 350
 351                 igniters_adapter = new IgniterAdapter(this, R.layout.igniter_status);
 352
 353                 igniters_view.setAdapter(igniters_adapter);
 354                 igniters_view.setOnItemClickListener(new IgniterItemClickListener());
 355
 356                 fire = (Button) findViewById(R.id.igniter_fire);
 357                 fire.setEnabled(false);
 358                 fire.setOnClickListener(new OnClickListener() {
 359                                 public void onClick(View v) {
 360                                         fire_igniter();
 361                                 }
 362                         });
 363
 364                 arm = (ToggleButton) findViewById(R.id.igniter_arm);
 365                 arm.setEnabled(false);
 366                 arm.setOnCheckedChangeListener(new ToggleButton.OnCheckedChangeListener() {
 367                                 public void onCheckedChanged(CompoundButton v, boolean is_checked) {
 368                                         arm_igniter(is_checked);
 369                                 }
 370                         });
 371
 372                 // Set result CANCELED incase the user backs out
 373                 setResult(Activity.RESULT_CANCELED);
 374         }
 375
 376         @Override
 377         protected void onStart() {
 378                 super.onStart();
 379                 doBindService();
 380         }
 381
 382         @Override
 383         protected void onResume() {
 384                 super.onResume();
 385                 query_timer = new Timer(true);
 386                 query_timer.scheduleAtFixedRate(new TimerTask() {
 387                                 public void run() {
 388                                         query_timer_tick();
 389                                 }},
 390                         0L, 5000L);
 391         }
 392
 393         @Override
 394         protected void onPause() {
 395                 super.onPause();
 396                 if (query_timer != null) {
 397                         query_timer.cancel();
 398                         query_timer = null;
 399                 }
 400                 arm_timer_stop();
 401                 arm.setChecked(false);
 402                 fire.setEnabled(false);
 403         }
 404
 405         @Override
 406         protected void onStop() {
 407                 super.onStop();
 408                 doUnbindService();
 409         }
 410 }