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   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
  24 import org.altusmetrum.altoslib_14.*;
  25
  26 import android.graphics.*;
  27 import android.view.*;
  28 import android.location.Location;
  29 import android.content.*;
  30 import android.util.*;
  31
  32 class Rocket implements Comparable {
  33         AltosLatLon     position;
  34         String          name;
  35         int             serial;
  36         long            last_packet;
  37         boolean         active;
  38         AltosMapOffline map_offline;
  39
  40         void paint() {
  41                 map_offline.draw_bitmap(position, map_offline.rocket_bitmap, map_offline.rocket_off_x, map_offline.rocket_off_y);
  42                 map_offline.draw_text(position, name, 0, 3*map_offline.rocket_bitmap.getHeight()/4);
  43         }
  44
  45         void set_position(AltosLatLon position, long last_packet) {
  46                 this.position = position;
  47                 this.last_packet = last_packet;
  48         }
  49
  50         void set_active(boolean active) {
  51                 this.active = active;
  52         }
  53
  54         public int compareTo(Object o) {
  55                 Rocket other = (Rocket) o;
  56
  57                 if (active && !other.active)
  58                         return 1;
  59                 if (other.active && !active)
  60                         return -1;
  61
  62                 long    diff = last_packet - other.last_packet;
  63
  64                 if (diff > 0)
  65                         return 1;
  66                 if (diff < 0)
  67                         return -1;
  68                 return 0;
  69         }
  70
  71         Rocket(int serial, AltosMapOffline map_offline) {
  72                 this.serial = serial;
  73                 this.name = String.format("%d", serial);
  74                 this.map_offline = map_offline;
  75         }
  76 }
  77
  78 public class AltosMapOffline extends View implements ScaleGestureDetector.OnScaleGestureListener, AltosMapInterface, AltosDroidMapInterface, AltosMapTypeListener {
  79         ScaleGestureDetector    scale_detector;
  80         boolean                 scaling;
  81         AltosMap                map;
  82         AltosDroid              altos_droid;
  83
  84         static int scale = 1;
  85
  86         AltosLatLon     here;
  87         AltosLatLon     there;
  88         AltosLatLon     pad;
  89
  90         Canvas  canvas;
  91         Paint   paint;
  92
  93         Bitmap  pad_bitmap;
  94         int     pad_off_x, pad_off_y;
  95         Bitmap  rocket_bitmap;
  96         int     rocket_off_x, rocket_off_y;
  97         Bitmap  here_bitmap;
  98         int     here_off_x, here_off_y;
  99
 100         static  final int       WHITE = 0xffffffff;
 101         static  final int       RED   = 0xffff0000;
 102         static  final int       PINK  = 0xffff8080;
 103         static  final int       YELLOW= 0xffffff00;
 104         static  final int       CYAN  = 0xff00ffff;
 105         static  final int       BLUE  = 0xff0000ff;
 106         static  final int       BLACK = 0xff000000;
 107
 108         public static final int stateColors[] = {
 109                 WHITE,  // startup
 110                 WHITE,  // idle
 111                 WHITE,  // pad
 112                 RED,    // boost
 113                 PINK,   // fast
 114                 YELLOW, // coast
 115                 CYAN,   // drogue
 116                 BLUE,   // main
 117                 BLACK,  // landed
 118                 BLACK,  // invalid
 119                 CYAN,   // stateless
 120         };
 121
 122         /* AltosMapInterface */
 123         public void debug(String format, Object ... arguments) {
 124                 AltosDebug.debug(format, arguments);
 125         }
 126
 127         class MapTile extends AltosMapTile {
 128                 public void paint(AltosMapTransform t) {
 129                         AltosPointInt           pt = new AltosPointInt(t.screen(upper_left));
 130
 131                         if (canvas.quickReject(pt.x, pt.y, pt.x + px_size, pt.y + px_size, Canvas.EdgeType.AA))
 132                                 return;
 133
 134                         AltosImage              altos_image = this.get_image();
 135
 136                         MapImage                map_image = (MapImage) altos_image;
 137
 138                         Bitmap                  bitmap = null;
 139
 140                         if (map_image != null)
 141                                 bitmap = map_image.bitmap;
 142
 143                         if (bitmap != null) {
 144                                 canvas.drawBitmap(bitmap, pt.x, pt.y, paint);
 145                         } else {
 146                                 paint.setColor(0xff808080);
 147                                 canvas.drawRect(pt.x, pt.y, pt.x + px_size, pt.y + px_size, paint);
 148                                 if (t.has_location()) {
 149                                         String  message = null;
 150                                         switch (status) {
 151                                         case AltosMapTile.fetching:
 152                                                 message = "Fetching...";
 153                                                 break;
 154                                         case AltosMapTile.bad_request:
 155                                                 message = "Internal error";
 156                                                 break;
 157                                         case AltosMapTile.failed:
 158                                                 message = "Network error";
 159                                                 break;
 160                                         case AltosMapTile.forbidden:
 161                                                 message = "Outside of known launch areas";
 162                                                 break;
 163                                         }
 164                                         if (message != null) {
 165                                                 Rect    bounds = new Rect();
 166                                                 paint.getTextBounds(message, 0, message.length(), bounds);
 167
 168                                                 int     width = bounds.right - bounds.left;
 169                                                 int     height = bounds.bottom - bounds.top;
 170
 171                                                 float x = pt.x + px_size / 2.0f;
 172                                                 float y = pt.y + px_size / 2.0f;
 173                                                 x = x - width / 2.0f;
 174                                                 y = y + height / 2.0f;
 175                                                 paint.setColor(0xff000000);
 176                                                 canvas.drawText(message, 0, message.length(), x, y, paint);
 177                                         }
 178                                 }
 179                         }
 180                 }
 181
 182                 public MapTile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
 183                         super(cache, upper_left, center, zoom, maptype, px_size, scale);
 184                 }
 185
 186         }
 187
 188         public AltosMapTile new_tile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
 189                 return new MapTile(cache, upper_left, center, zoom, maptype, px_size, scale);
 190         }
 191
 192         public AltosMapPath new_path() {
 193                 return null;
 194         }
 195
 196         public AltosMapLine new_line() {
 197                 return null;
 198         }
 199
 200         class MapImage implements AltosImage {
 201                 public Bitmap   bitmap;
 202
 203                 public void flush() {
 204                         if (bitmap != null) {
 205                                 bitmap.recycle();
 206                                 bitmap = null;
 207                         }
 208                 }
 209
 210                 public MapImage(File file) {
 211                         bitmap = BitmapFactory.decodeFile(file.getPath());
 212                 }
 213         }
 214
 215         public AltosImage load_image(File file) throws Exception {
 216                 return new MapImage(file);
 217         }
 218
 219         class MapMark extends AltosMapMark {
 220                 public void paint(AltosMapTransform t) {
 221                 }
 222
 223                 MapMark(double lat, double lon, int state) {
 224                         super(lat, lon, state);
 225                 }
 226         }
 227
 228         public AltosMapMark new_mark(double lat, double lon, int state) {
 229                 return new MapMark(lat, lon, state);
 230         }
 231
 232         public int width() {
 233                 return getWidth();
 234         }
 235
 236         public int height() {
 237                 return getHeight();
 238         }
 239
 240         public void repaint() {
 241                 postInvalidate();
 242         }
 243
 244         public void repaint(AltosRectangle damage) {
 245                 postInvalidate(damage.x, damage.y, damage.x + damage.width, damage.y + damage.height);
 246         }
 247
 248         public void set_zoom_label(String label) {
 249         }
 250
 251         public void select_object(AltosLatLon latlon) {
 252                 if (map.transform == null)
 253                         return;
 254                 ArrayList<Integer>      near = new ArrayList<Integer>();
 255
 256                 for (Rocket rocket : sorted_rockets()) {
 257                         if (rocket.position == null) {
 258                                 debug("rocket %d has no position\n", rocket.serial);
 259                                 continue;
 260                         }
 261                         double distance = map.transform.hypot(latlon, rocket.position);
 262                         debug("check select %d distance %g width %d\n", rocket.serial, distance, rocket_bitmap.getWidth());
 263                         if (distance < rocket_bitmap.getWidth() * 2.0) {
 264                                 debug("selecting %d\n", rocket.serial);
 265                                 near.add(rocket.serial);
 266                         }
 267                 }
 268                 if (near.size() != 0)
 269                         altos_droid.touch_trackers(near.toArray(new Integer[0]));
 270         }
 271
 272         class Line {
 273                 AltosLatLon     a, b;
 274
 275                 void paint() {
 276                         if (a != null && b != null) {
 277                                 AltosPointDouble        a_screen = map.transform.screen(a);
 278                                 AltosPointDouble        b_screen = map.transform.screen(b);
 279                                 paint.setColor(0xff8080ff);
 280                                 canvas.drawLine((float) a_screen.x, (float) a_screen.y,
 281                                                     (float) b_screen.x, (float) b_screen.y,
 282                                                     paint);
 283                         }
 284                 }
 285
 286                 void set_a(AltosLatLon a) {
 287                         this.a = a;
 288                 }
 289
 290                 void set_b(AltosLatLon b) {
 291                         this.b = b;
 292                 }
 293
 294                 Line() {
 295                 }
 296         }
 297
 298         Line line = new Line();
 299
 300         int     stroke_width = 20;
 301
 302         void draw_text(AltosLatLon lat_lon, String text, int off_x, int off_y) {
 303                 if (lat_lon != null && map != null && map.transform != null) {
 304                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 305
 306                         Rect    bounds = new Rect();
 307                         paint.getTextBounds(text, 0, text.length(), bounds);
 308
 309                         int     width = bounds.right - bounds.left;
 310                         int     height = bounds.bottom - bounds.top;
 311
 312                         float x = pt.x;
 313                         float y = pt.y;
 314                         x = x - width / 2.0f - off_x;
 315                         y = y + height / 2.0f - off_y;
 316                         paint.setColor(0xff000000);
 317                         canvas.drawText(text, 0, text.length(), x, y, paint);
 318                 }
 319         }
 320
 321         HashMap<Integer,Rocket> rockets = new HashMap<Integer,Rocket>();
 322
 323         void draw_bitmap(AltosLatLon lat_lon, Bitmap bitmap, int off_x, int off_y) {
 324                 if (lat_lon != null && map != null && map.transform != null) {
 325                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 326
 327                         canvas.drawBitmap(bitmap, pt.x - off_x, pt.y - off_y, paint);
 328                 }
 329         }
 330
 331         private Rocket[] sorted_rockets() {
 332                 Rocket[]        rocket_array = rockets.values().toArray(new Rocket[0]);
 333
 334                 Arrays.sort(rocket_array);
 335                 return rocket_array;
 336         }
 337
 338         private void draw_positions() {
 339                 line.set_a(there);
 340                 line.set_b(here);
 341                 line.paint();
 342                 draw_bitmap(pad, pad_bitmap, pad_off_x, pad_off_y);
 343
 344                 for (Rocket rocket : sorted_rockets())
 345                         rocket.paint();
 346                 draw_bitmap(here, here_bitmap, here_off_x, here_off_y);
 347         }
 348
 349         @Override
 350         protected void onDraw(Canvas view_canvas) {
 351                 if (map == null) {
 352                         debug("MapView draw without map\n");
 353                         return;
 354                 }
 355                 canvas = view_canvas;
 356                 paint = new Paint(Paint.ANTI_ALIAS_FLAG);
 357                 paint.setStrokeWidth(stroke_width);
 358                 paint.setStrokeCap(Paint.Cap.ROUND);
 359                 paint.setStrokeJoin(Paint.Join.ROUND);
 360                 paint.setTextSize(40);
 361                 map.paint();
 362                 draw_positions();
 363                 canvas = null;
 364         }
 365
 366         public boolean onScale(ScaleGestureDetector detector) {
 367                 float   f = detector.getScaleFactor();
 368
 369                 if (f <= 0.8) {
 370                         map.set_zoom_centre(map.get_zoom() - 1, new AltosPointInt((int) detector.getFocusX(), (int) detector.getFocusY()));
 371                         return true;
 372                 }
 373                 if (f >= 1.2) {
 374                         map.set_zoom_centre(map.get_zoom() + 1, new AltosPointInt((int) detector.getFocusX(), (int) detector.getFocusY()));
 375                         return true;
 376                 }
 377                 return false;
 378         }
 379
 380         public boolean onScaleBegin(ScaleGestureDetector detector) {
 381                 return true;
 382         }
 383
 384         public void onScaleEnd(ScaleGestureDetector detector) {
 385         }
 386
 387         @Override
 388         public boolean dispatchTouchEvent(MotionEvent event) {
 389                 scale_detector.onTouchEvent(event);
 390
 391                 if (scale_detector.isInProgress()) {
 392                         scaling = true;
 393                 }
 394
 395                 if (scaling) {
 396                         if (event.getAction() == MotionEvent.ACTION_UP) {
 397                                 scaling = false;
 398                         }
 399                         return true;
 400                 }
 401
 402                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 403                         map.touch_start((int) event.getX(), (int) event.getY(), true);
 404                 } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
 405                         map.touch_continue((int) event.getX(), (int) event.getY(), true);
 406                 } else if (event.getAction() == MotionEvent.ACTION_UP) {
 407                         map.touch_stop((int) event.getX(), (int) event.getY(), true);
 408                 }
 409                 return true;
 410         }
 411
 412         double  mapAccuracy;
 413
 414         public void center(double lat, double lon, double accuracy) {
 415                 if (mapAccuracy <= 0 || accuracy < mapAccuracy/10 || (map != null && !map.has_centre())) {
 416                         if (map != null)
 417                                 map.maybe_centre(lat, lon);
 418                         mapAccuracy = accuracy;
 419                 }
 420         }
 421
 422         public void set_visible(boolean visible) {
 423                 if (visible)
 424                         setVisibility(VISIBLE);
 425                 else
 426                         setVisibility(GONE);
 427         }
 428
 429         public void show(TelemetryState telem_state, AltosState state, AltosGreatCircle from_receiver, Location receiver) {
 430                 boolean changed = false;
 431
 432                 if (state != null) {
 433                         map.show(state, null);
 434                         if (state.pad_lat != AltosLib.MISSING && pad == null)
 435                                 pad = new AltosLatLon(state.pad_lat, state.pad_lon);
 436                 }
 437
 438                 if (telem_state != null) {
 439                         Integer[] old_serial = rockets.keySet().toArray(new Integer[0]);
 440                         Integer[] new_serial = telem_state.keySet().toArray(new Integer[0]);
 441
 442                         /* remove deleted keys */
 443                         for (int serial : old_serial) {
 444                                 if (!telem_state.containsKey(serial))
 445                                         rockets.remove(serial);
 446                         }
 447
 448                         /* set remaining keys */
 449
 450                         for (int serial : new_serial) {
 451                                 Rocket          rocket;
 452                                 AltosState      t_state = telem_state.get(serial);
 453                                 if (rockets.containsKey(serial))
 454                                         rocket = rockets.get(serial);
 455                                 else {
 456                                         rocket = new Rocket(serial, this);
 457                                         rockets.put(serial, rocket);
 458                                 }
 459                                 if (t_state.gps != null) {
 460                                         AltosLatLon     latlon = new AltosLatLon(t_state.gps.lat, t_state.gps.lon);
 461                                         rocket.set_position(latlon, t_state.received_time);
 462                                         if (state != null && state.cal_data().serial == serial)
 463                                                 there = latlon;
 464                                 }
 465                                 if (state != null)
 466                                         rocket.set_active(state.cal_data().serial == serial);
 467                         }
 468                 }
 469                 if (receiver != null) {
 470                         AltosLatLon new_here = new AltosLatLon(receiver.getLatitude(), receiver.getLongitude());
 471                         if (!new_here.equals(here)) {
 472                                 here = new_here;
 473                                 AltosDebug.debug("Location changed, redraw");
 474                                 repaint();
 475                         }
 476                 }
 477         }
 478
 479         public void onCreateView(AltosDroid altos_droid) {
 480                 this.altos_droid = altos_droid;
 481                 map = new AltosMap(this, scale);
 482                 AltosPreferences.register_map_type_listener(this);
 483                 map.set_maptype(AltosPreferences.map_type());
 484
 485                 pad_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pad);
 486                 /* arrow at the bottom of the launchpad image */
 487                 pad_off_x = pad_bitmap.getWidth() / 2;
 488                 pad_off_y = pad_bitmap.getHeight();
 489
 490                 rocket_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.rocket);
 491                 /* arrow at the bottom of the rocket image */
 492                 rocket_off_x = rocket_bitmap.getWidth() / 2;
 493                 rocket_off_y = rocket_bitmap.getHeight();
 494
 495                 here_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ic_maps_indicator_current_position);
 496                 /* Center of the dot */
 497                 here_off_x = here_bitmap.getWidth() / 2;
 498                 here_off_y = here_bitmap.getHeight() / 2;
 499         }
 500
 501         public void onDestroyView() {
 502                 AltosPreferences.unregister_map_type_listener(this);
 503         }
 504
 505         public void map_type_changed(int map_type) {
 506                 if (map != null)
 507                         map.set_maptype(map_type);
 508         }
 509
 510         public AltosMapOffline(Context context, AttributeSet attrs) {
 511                 super(context, attrs);
 512                 this.altos_droid = altos_droid;
 513                 scale_detector = new ScaleGestureDetector(context, this);
 514         }
 515 }