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