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

   1 /*
   2  * Copyright © 2015 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; 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.util.*;
  21 import java.io.*;
  22
  23 import org.altusmetrum.altoslib_7.*;
  24
  25 import android.app.Activity;
  26 import android.graphics.*;
  27 import android.os.Bundle;
  28 import android.support.v4.app.Fragment;
  29 import android.support.v4.app.FragmentTransaction;
  30 import android.view.*;
  31 import android.widget.*;
  32 import android.location.Location;
  33 import android.content.*;
  34 import android.util.*;
  35
  36 class Rocket implements Comparable {
  37         AltosLatLon     position;
  38         String          name;
  39         int             serial;
  40         long            last_packet;
  41         boolean         active;
  42         AltosMapOffline map_offline;
  43
  44         void paint() {
  45                 map_offline.draw_bitmap(position, map_offline.rocket_bitmap, map_offline.rocket_off_x, map_offline.rocket_off_y);
  46                 map_offline.draw_text(position, name, 0, 3*map_offline.rocket_bitmap.getHeight()/4);
  47         }
  48
  49         void set_position(AltosLatLon position, long last_packet) {
  50                 this.position = position;
  51                 this.last_packet = last_packet;
  52         }
  53
  54         void set_active(boolean active) {
  55                 this.active = active;
  56         }
  57
  58         public int compareTo(Object o) {
  59                 Rocket other = (Rocket) o;
  60
  61                 if (active && !other.active)
  62                         return 1;
  63                 if (other.active && !active)
  64                         return -1;
  65
  66                 long    diff = last_packet - other.last_packet;
  67
  68                 if (diff > 0)
  69                         return 1;
  70                 if (diff < 0)
  71                         return -1;
  72                 return 0;
  73         }
  74
  75         Rocket(int serial, AltosMapOffline map_offline) {
  76                 this.serial = serial;
  77                 this.name = String.format("%d", serial);
  78                 this.map_offline = map_offline;
  79         }
  80 }
  81
  82 public class AltosMapOffline extends View implements ScaleGestureDetector.OnScaleGestureListener, AltosMapInterface, AltosDroidMapInterface {
  83         ScaleGestureDetector    scale_detector;
  84         boolean                 scaling;
  85         AltosMap                map;
  86         AltosDroid              altos_droid;
  87
  88         AltosLatLon     here;
  89         AltosLatLon     pad;
  90
  91         Canvas  canvas;
  92         Paint   paint;
  93
  94         Bitmap  pad_bitmap;
  95         int     pad_off_x, pad_off_y;
  96         Bitmap  rocket_bitmap;
  97         int     rocket_off_x, rocket_off_y;
  98         Bitmap  here_bitmap;
  99         int     here_off_x, here_off_y;
 100
 101         static  final int       WHITE = 0xffffffff;
 102         static  final int       RED   = 0xffff0000;
 103         static  final int       PINK  = 0xffff8080;
 104         static  final int       YELLOW= 0xffffff00;
 105         static  final int       CYAN  = 0xff00ffff;
 106         static  final int       BLUE  = 0xff0000ff;
 107         static  final int       BLACK = 0xff000000;
 108
 109         public static final int stateColors[] = {
 110                 WHITE,  // startup
 111                 WHITE,  // idle
 112                 WHITE,  // pad
 113                 RED,    // boost
 114                 PINK,   // fast
 115                 YELLOW, // coast
 116                 CYAN,   // drogue
 117                 BLUE,   // main
 118                 BLACK,  // landed
 119                 BLACK,  // invalid
 120                 CYAN,   // stateless
 121         };
 122
 123         /* AltosMapInterface */
 124         public void debug(String format, Object ... arguments) {
 125                 AltosDebug.debug(format, arguments);
 126         }
 127
 128         class MapTile extends AltosMapTile {
 129                 public void paint(AltosMapTransform t) {
 130                         AltosPointInt           pt = new AltosPointInt(t.screen(upper_left));
 131
 132                         if (canvas.quickReject(pt.x, pt.y, pt.x + px_size, pt.y + px_size, Canvas.EdgeType.AA))
 133                                 return;
 134
 135                         AltosImage              altos_image = cache.get(this, store, px_size, px_size);
 136
 137                         MapImage                map_image = (MapImage) altos_image;
 138
 139                         Bitmap                  bitmap = null;
 140
 141                         if (map_image != null)
 142                                 bitmap = map_image.bitmap;
 143
 144                         if (bitmap != null) {
 145                                 canvas.drawBitmap(bitmap, pt.x, pt.y, paint);
 146                         } else {
 147                                 paint.setColor(0xff808080);
 148                                 canvas.drawRect(pt.x, pt.y, pt.x + px_size, pt.y + px_size, paint);
 149                                 if (t.has_location()) {
 150                                         String  message = null;
 151                                         switch (status) {
 152                                         case AltosMapTile.loading:
 153                                                 message = "Loading...";
 154                                                 break;
 155                                         case AltosMapTile.bad_request:
 156                                                 message = "Internal error";
 157                                                 break;
 158                                         case AltosMapTile.failed:
 159                                                 message = "Network error, check connection";
 160                                                 break;
 161                                         case AltosMapTile.forbidden:
 162                                                 message = "Too many requests, try later";
 163                                                 break;
 164                                         }
 165                                         if (message != null) {
 166                                                 Rect    bounds = new Rect();
 167                                                 paint.getTextBounds(message, 0, message.length(), bounds);
 168
 169                                                 int     width = bounds.right - bounds.left;
 170                                                 int     height = bounds.bottom - bounds.top;
 171
 172                                                 float x = pt.x + px_size / 2.0f;
 173                                                 float y = pt.y + px_size / 2.0f;
 174                                                 x = x - width / 2.0f;
 175                                                 y = y + height / 2.0f;
 176                                                 paint.setColor(0xff000000);
 177                                                 canvas.drawText(message, 0, message.length(), x, y, paint);
 178                                         }
 179                                 }
 180                         }
 181                 }
 182
 183                 public MapTile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
 184                         super(listener, upper_left, center, zoom, maptype, px_size, 2);
 185                 }
 186
 187         }
 188
 189         public AltosMapTile new_tile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
 190                 return new MapTile(listener, upper_left, center, zoom, maptype, px_size);
 191         }
 192
 193         public AltosMapPath new_path() {
 194                 return null;
 195         }
 196
 197         public AltosMapLine new_line() {
 198                 return null;
 199         }
 200
 201         class MapImage implements AltosImage {
 202                 public Bitmap   bitmap;
 203
 204                 public void flush() {
 205                         if (bitmap != null) {
 206                                 bitmap.recycle();
 207                                 bitmap = null;
 208                         }
 209                 }
 210
 211                 public MapImage(File file) {
 212                         bitmap = BitmapFactory.decodeFile(file.getPath());
 213                 }
 214         }
 215
 216         public AltosImage load_image(File file) throws Exception {
 217                 return new MapImage(file);
 218         }
 219
 220         class MapMark extends AltosMapMark {
 221                 public void paint(AltosMapTransform t) {
 222                 }
 223
 224                 MapMark(double lat, double lon, int state) {
 225                         super(lat, lon, state);
 226                 }
 227         }
 228
 229         public AltosMapMark new_mark(double lat, double lon, int state) {
 230                 return new MapMark(lat, lon, state);
 231         }
 232
 233         public int width() {
 234                 return getWidth();
 235         }
 236
 237         public int height() {
 238                 return getHeight();
 239         }
 240
 241         public void repaint() {
 242                 postInvalidate();
 243         }
 244
 245         public void repaint(AltosRectangle damage) {
 246                 postInvalidate(damage.x, damage.y, damage.x + damage.width, damage.y + damage.height);
 247         }
 248
 249         public void set_zoom_label(String label) {
 250         }
 251
 252         public void select_object(AltosLatLon latlon) {
 253                 if (map.transform == null)
 254                         return;
 255                 for (Rocket rocket : sorted_rockets()) {
 256                         if (rocket.position == null) {
 257                                 debug("rocket %d has no position\n", rocket.serial);
 258                                 continue;
 259                         }
 260                         double distance = map.transform.hypot(latlon, rocket.position);
 261                         debug("check select %d distance %g width %d\n", rocket.serial, distance, rocket_bitmap.getWidth());
 262                         if (distance < rocket_bitmap.getWidth() * 2.0) {
 263                                 debug("selecting %d\n", rocket.serial);
 264                                 altos_droid.select_tracker(rocket.serial);
 265                                 break;
 266                         }
 267                 }
 268         }
 269
 270         class Line {
 271                 AltosLatLon     a, b;
 272
 273                 void paint() {
 274                         if (a != null && b != null) {
 275                                 AltosPointDouble        a_screen = map.transform.screen(a);
 276                                 AltosPointDouble        b_screen = map.transform.screen(b);
 277                                 paint.setColor(0xff8080ff);
 278                                 canvas.drawLine((float) a_screen.x, (float) a_screen.y,
 279                                                     (float) b_screen.x, (float) b_screen.y,
 280                                                     paint);
 281                         }
 282                 }
 283
 284                 void set_a(AltosLatLon a) {
 285                         this.a = a;
 286                 }
 287
 288                 void set_b(AltosLatLon b) {
 289                         this.b = b;
 290                 }
 291
 292                 Line() {
 293                 }
 294         }
 295
 296         Line line = new Line();
 297
 298         int     stroke_width = 20;
 299
 300         void draw_text(AltosLatLon lat_lon, String text, int off_x, int off_y) {
 301                 if (lat_lon != null && map != null && map.transform != null) {
 302                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 303
 304                         Rect    bounds = new Rect();
 305                         paint.getTextBounds(text, 0, text.length(), bounds);
 306
 307                         int     width = bounds.right - bounds.left;
 308                         int     height = bounds.bottom - bounds.top;
 309
 310                         float x = pt.x;
 311                         float y = pt.y;
 312                         x = x - width / 2.0f - off_x;
 313                         y = y + height / 2.0f - off_y;
 314                         paint.setColor(0xff000000);
 315                         canvas.drawText(text, 0, text.length(), x, y, paint);
 316                 }
 317         }
 318
 319         HashMap<Integer,Rocket> rockets = new HashMap<Integer,Rocket>();
 320
 321         void draw_bitmap(AltosLatLon lat_lon, Bitmap bitmap, int off_x, int off_y) {
 322                 if (lat_lon != null && map != null && map.transform != null) {
 323                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 324
 325                         canvas.drawBitmap(bitmap, pt.x - off_x, pt.y - off_y, paint);
 326                 }
 327         }
 328
 329         private Rocket[] sorted_rockets() {
 330                 Rocket[]        rocket_array = rockets.values().toArray(new Rocket[0]);
 331
 332                 Arrays.sort(rocket_array);
 333                 return rocket_array;
 334         }
 335
 336         private void draw_positions() {
 337                 line.set_a(map.last_position);
 338                 line.set_b(here);
 339                 line.paint();
 340                 draw_bitmap(pad, pad_bitmap, pad_off_x, pad_off_y);
 341
 342                 for (Rocket rocket : sorted_rockets())
 343                         rocket.paint();
 344                 draw_bitmap(here, here_bitmap, here_off_x, here_off_y);
 345         }
 346
 347         @Override public void invalidate() {
 348                 Rect r = new Rect();
 349                 getDrawingRect(r);
 350                 super.invalidate();
 351         }
 352
 353         @Override public void invalidate(int l, int t, int r, int b) {
 354                 Rect rect = new Rect();
 355                 getDrawingRect(rect);
 356                 super.invalidate();
 357         }
 358
 359         @Override
 360         protected void onDraw(Canvas view_canvas) {
 361                 debug("onDraw");
 362                 if (map == null) {
 363                         debug("MapView draw without map\n");
 364                         return;
 365                 }
 366                 canvas = view_canvas;
 367                 paint = new Paint(Paint.ANTI_ALIAS_FLAG);
 368                 paint.setStrokeWidth(stroke_width);
 369                 paint.setStrokeCap(Paint.Cap.ROUND);
 370                 paint.setStrokeJoin(Paint.Join.ROUND);
 371                 paint.setTextSize(40);
 372                 map.paint();
 373                 draw_positions();
 374                 canvas = null;
 375         }
 376
 377         public boolean onScale(ScaleGestureDetector detector) {
 378                 float   f = detector.getScaleFactor();
 379
 380                 if (f <= 0.8) {
 381                         map.set_zoom_centre(map.get_zoom() - 1, new AltosPointInt((int) detector.getFocusX(), (int) detector.getFocusY()));
 382                         return true;
 383                 }
 384                 if (f >= 1.2) {
 385                         map.set_zoom_centre(map.get_zoom() + 1, new AltosPointInt((int) detector.getFocusX(), (int) detector.getFocusY()));
 386                         return true;
 387                 }
 388                 return false;
 389         }
 390
 391         public boolean onScaleBegin(ScaleGestureDetector detector) {
 392                 return true;
 393         }
 394
 395         public void onScaleEnd(ScaleGestureDetector detector) {
 396         }
 397
 398         @Override
 399         public boolean dispatchTouchEvent(MotionEvent event) {
 400                 scale_detector.onTouchEvent(event);
 401
 402                 if (scale_detector.isInProgress()) {
 403                         scaling = true;
 404                 }
 405
 406                 if (scaling) {
 407                         if (event.getAction() == MotionEvent.ACTION_UP) {
 408                                 scaling = false;
 409                         }
 410                         return true;
 411                 }
 412
 413                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 414                         map.touch_start((int) event.getX(), (int) event.getY(), true);
 415                 } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
 416                         map.touch_continue((int) event.getX(), (int) event.getY(), true);
 417                 } else if (event.getAction() == MotionEvent.ACTION_UP) {
 418                         map.touch_stop((int) event.getX(), (int) event.getY(), true);
 419                 }
 420                 return true;
 421         }
 422
 423         double  mapAccuracy;
 424
 425         public void center(double lat, double lon, double accuracy) {
 426                 if (mapAccuracy < 0 || accuracy < mapAccuracy/10) {
 427                         if (map != null)
 428                                 map.maybe_centre(lat, lon);
 429                         mapAccuracy = accuracy;
 430                 }
 431         }
 432
 433         public void set_visible(boolean visible) {
 434                 if (visible)
 435                         setVisibility(VISIBLE);
 436                 else
 437                         setVisibility(GONE);
 438         }
 439
 440         public void show(TelemetryState telem_state, AltosState state, AltosGreatCircle from_receiver, Location receiver) {
 441                 if (state != null) {
 442                         map.show(state, null);
 443                         if (state.pad_lat != AltosLib.MISSING && pad == null)
 444                                 pad = new AltosLatLon(state.pad_lat, state.pad_lon);
 445                 }
 446
 447                 if (telem_state != null) {
 448                         Integer[] old_serial = rockets.keySet().toArray(new Integer[0]);
 449                         Integer[] new_serial = telem_state.states.keySet().toArray(new Integer[0]);
 450
 451                         /* remove deleted keys */
 452                         for (int serial : old_serial) {
 453                                 if (!telem_state.states.containsKey(serial))
 454                                         rockets.remove(serial);
 455                         }
 456
 457                         /* set remaining keys */
 458
 459                         for (int serial : new_serial) {
 460                                 Rocket          rocket;
 461                                 AltosState      t_state = telem_state.states.get(serial);
 462                                 if (rockets.containsKey(serial))
 463                                         rocket = rockets.get(serial);
 464                                 else {
 465                                         rocket = new Rocket(serial, this);
 466                                         rockets.put(serial, rocket);
 467                                 }
 468                                 if (t_state.gps != null)
 469                                         rocket.set_position(new AltosLatLon(t_state.gps.lat, t_state.gps.lon), t_state.received_time);
 470                                 if (state != null)
 471                                         rocket.set_active(state.serial == serial);
 472                         }
 473                 }
 474                 if (receiver != null) {
 475                         here = new AltosLatLon(receiver.getLatitude(), receiver.getLongitude());
 476                 }
 477         }
 478
 479         public void onCreateView(AltosDroid altos_droid) {
 480                 this.altos_droid = altos_droid;
 481                 map = new AltosMap(this);
 482                 map.set_maptype(altos_droid.map_type);
 483
 484                 pad_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pad);
 485                 /* arrow at the bottom of the launchpad image */
 486                 pad_off_x = pad_bitmap.getWidth() / 2;
 487                 pad_off_y = pad_bitmap.getHeight();
 488
 489                 rocket_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.rocket);
 490                 /* arrow at the bottom of the rocket image */
 491                 rocket_off_x = rocket_bitmap.getWidth() / 2;
 492                 rocket_off_y = rocket_bitmap.getHeight();
 493
 494                 here_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ic_maps_indicator_current_position);
 495                 /* Center of the dot */
 496                 here_off_x = here_bitmap.getWidth() / 2;
 497                 here_off_y = here_bitmap.getHeight() / 2;
 498         }
 499
 500         public void set_map_type(int map_type) {
 501                 if (map != null)
 502                         map.set_maptype(map_type);
 503         }
 504
 505         public AltosMapOffline(Context context, AttributeSet attrs) {
 506                 super(context, attrs);
 507                 this.altos_droid = altos_droid;
 508                 scale_detector = new ScaleGestureDetector(context, this);
 509         }
 510 }