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_11.*;
  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, AltosMapTypeListener {
  83         ScaleGestureDetector    scale_detector;
  84         boolean                 scaling;
  85         AltosMap                map;
  86         AltosDroid              altos_droid;
  87
  88         static int scale = 2;
  89
  90         AltosLatLon     here;
  91         AltosLatLon     there;
  92         AltosLatLon     pad;
  93
  94         Canvas  canvas;
  95         Paint   paint;
  96
  97         Bitmap  pad_bitmap;
  98         int     pad_off_x, pad_off_y;
  99         Bitmap  rocket_bitmap;
 100         int     rocket_off_x, rocket_off_y;
 101         Bitmap  here_bitmap;
 102         int     here_off_x, here_off_y;
 103
 104         static  final int       WHITE = 0xffffffff;
 105         static  final int       RED   = 0xffff0000;
 106         static  final int       PINK  = 0xffff8080;
 107         static  final int       YELLOW= 0xffffff00;
 108         static  final int       CYAN  = 0xff00ffff;
 109         static  final int       BLUE  = 0xff0000ff;
 110         static  final int       BLACK = 0xff000000;
 111
 112         public static final int stateColors[] = {
 113                 WHITE,  // startup
 114                 WHITE,  // idle
 115                 WHITE,  // pad
 116                 RED,    // boost
 117                 PINK,   // fast
 118                 YELLOW, // coast
 119                 CYAN,   // drogue
 120                 BLUE,   // main
 121                 BLACK,  // landed
 122                 BLACK,  // invalid
 123                 CYAN,   // stateless
 124         };
 125
 126         /* AltosMapInterface */
 127         public void debug(String format, Object ... arguments) {
 128                 AltosDebug.debug(format, arguments);
 129         }
 130
 131         class MapTile extends AltosMapTile {
 132                 public void paint(AltosMapTransform t) {
 133                         AltosPointInt           pt = new AltosPointInt(t.screen(upper_left));
 134
 135                         if (canvas.quickReject(pt.x, pt.y, pt.x + px_size, pt.y + px_size, Canvas.EdgeType.AA))
 136                                 return;
 137
 138                         AltosImage              altos_image = this.get_image();
 139
 140                         MapImage                map_image = (MapImage) altos_image;
 141
 142                         Bitmap                  bitmap = null;
 143
 144                         if (map_image != null)
 145                                 bitmap = map_image.bitmap;
 146
 147                         if (bitmap != null) {
 148                                 canvas.drawBitmap(bitmap, pt.x, pt.y, paint);
 149                         } else {
 150                                 paint.setColor(0xff808080);
 151                                 canvas.drawRect(pt.x, pt.y, pt.x + px_size, pt.y + px_size, paint);
 152                                 if (t.has_location()) {
 153                                         String  message = null;
 154                                         switch (status) {
 155                                         case AltosMapTile.fetching:
 156                                                 message = "Fetching...";
 157                                                 break;
 158                                         case AltosMapTile.bad_request:
 159                                                 message = "Internal error";
 160                                                 break;
 161                                         case AltosMapTile.failed:
 162                                                 message = "Network error, check connection";
 163                                                 break;
 164                                         case AltosMapTile.forbidden:
 165                                                 message = "Too many requests, try later";
 166                                                 break;
 167                                         }
 168                                         if (message != null) {
 169                                                 Rect    bounds = new Rect();
 170                                                 paint.getTextBounds(message, 0, message.length(), bounds);
 171
 172                                                 int     width = bounds.right - bounds.left;
 173                                                 int     height = bounds.bottom - bounds.top;
 174
 175                                                 float x = pt.x + px_size / 2.0f;
 176                                                 float y = pt.y + px_size / 2.0f;
 177                                                 x = x - width / 2.0f;
 178                                                 y = y + height / 2.0f;
 179                                                 paint.setColor(0xff000000);
 180                                                 canvas.drawText(message, 0, message.length(), x, y, paint);
 181                                         }
 182                                 }
 183                         }
 184                 }
 185
 186                 public MapTile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
 187                         super(cache, upper_left, center, zoom, maptype, px_size, scale);
 188                 }
 189
 190         }
 191
 192         public AltosMapTile new_tile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
 193                 return new MapTile(cache, upper_left, center, zoom, maptype, px_size, scale);
 194         }
 195
 196         public AltosMapPath new_path() {
 197                 return null;
 198         }
 199
 200         public AltosMapLine new_line() {
 201                 return null;
 202         }
 203
 204         class MapImage implements AltosImage {
 205                 public Bitmap   bitmap;
 206
 207                 public void flush() {
 208                         if (bitmap != null) {
 209                                 bitmap.recycle();
 210                                 bitmap = null;
 211                         }
 212                 }
 213
 214                 public MapImage(File file) {
 215                         bitmap = BitmapFactory.decodeFile(file.getPath());
 216                 }
 217         }
 218
 219         public AltosImage load_image(File file) throws Exception {
 220                 return new MapImage(file);
 221         }
 222
 223         class MapMark extends AltosMapMark {
 224                 public void paint(AltosMapTransform t) {
 225                 }
 226
 227                 MapMark(double lat, double lon, int state) {
 228                         super(lat, lon, state);
 229                 }
 230         }
 231
 232         public AltosMapMark new_mark(double lat, double lon, int state) {
 233                 return new MapMark(lat, lon, state);
 234         }
 235
 236         public int width() {
 237                 return getWidth();
 238         }
 239
 240         public int height() {
 241                 return getHeight();
 242         }
 243
 244         public void repaint() {
 245                 postInvalidate();
 246         }
 247
 248         public void repaint(AltosRectangle damage) {
 249                 postInvalidate(damage.x, damage.y, damage.x + damage.width, damage.y + damage.height);
 250         }
 251
 252         public void set_zoom_label(String label) {
 253         }
 254
 255         public void select_object(AltosLatLon latlon) {
 256                 if (map.transform == null)
 257                         return;
 258                 ArrayList<Integer>      near = new ArrayList<Integer>();
 259
 260                 for (Rocket rocket : sorted_rockets()) {
 261                         if (rocket.position == null) {
 262                                 debug("rocket %d has no position\n", rocket.serial);
 263                                 continue;
 264                         }
 265                         double distance = map.transform.hypot(latlon, rocket.position);
 266                         debug("check select %d distance %g width %d\n", rocket.serial, distance, rocket_bitmap.getWidth());
 267                         if (distance < rocket_bitmap.getWidth() * 2.0) {
 268                                 debug("selecting %d\n", rocket.serial);
 269                                 near.add(rocket.serial);
 270                         }
 271                 }
 272                 if (near.size() != 0)
 273                         altos_droid.touch_trackers(near.toArray(new Integer[0]));
 274         }
 275
 276         class Line {
 277                 AltosLatLon     a, b;
 278
 279                 void paint() {
 280                         if (a != null && b != null) {
 281                                 AltosPointDouble        a_screen = map.transform.screen(a);
 282                                 AltosPointDouble        b_screen = map.transform.screen(b);
 283                                 paint.setColor(0xff8080ff);
 284                                 canvas.drawLine((float) a_screen.x, (float) a_screen.y,
 285                                                     (float) b_screen.x, (float) b_screen.y,
 286                                                     paint);
 287                         }
 288                 }
 289
 290                 void set_a(AltosLatLon a) {
 291                         this.a = a;
 292                 }
 293
 294                 void set_b(AltosLatLon b) {
 295                         this.b = b;
 296                 }
 297
 298                 Line() {
 299                 }
 300         }
 301
 302         Line line = new Line();
 303
 304         int     stroke_width = 20;
 305
 306         void draw_text(AltosLatLon lat_lon, String text, int off_x, int off_y) {
 307                 if (lat_lon != null && map != null && map.transform != null) {
 308                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 309
 310                         Rect    bounds = new Rect();
 311                         paint.getTextBounds(text, 0, text.length(), bounds);
 312
 313                         int     width = bounds.right - bounds.left;
 314                         int     height = bounds.bottom - bounds.top;
 315
 316                         float x = pt.x;
 317                         float y = pt.y;
 318                         x = x - width / 2.0f - off_x;
 319                         y = y + height / 2.0f - off_y;
 320                         paint.setColor(0xff000000);
 321                         canvas.drawText(text, 0, text.length(), x, y, paint);
 322                 }
 323         }
 324
 325         HashMap<Integer,Rocket> rockets = new HashMap<Integer,Rocket>();
 326
 327         void draw_bitmap(AltosLatLon lat_lon, Bitmap bitmap, int off_x, int off_y) {
 328                 if (lat_lon != null && map != null && map.transform != null) {
 329                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 330
 331                         canvas.drawBitmap(bitmap, pt.x - off_x, pt.y - off_y, paint);
 332                 }
 333         }
 334
 335         private Rocket[] sorted_rockets() {
 336                 Rocket[]        rocket_array = rockets.values().toArray(new Rocket[0]);
 337
 338                 Arrays.sort(rocket_array);
 339                 return rocket_array;
 340         }
 341
 342         private void draw_positions() {
 343                 line.set_a(there);
 344                 line.set_b(here);
 345                 line.paint();
 346                 draw_bitmap(pad, pad_bitmap, pad_off_x, pad_off_y);
 347
 348                 for (Rocket rocket : sorted_rockets())
 349                         rocket.paint();
 350                 draw_bitmap(here, here_bitmap, here_off_x, here_off_y);
 351         }
 352
 353         @Override public void invalidate() {
 354                 Rect r = new Rect();
 355                 getDrawingRect(r);
 356                 super.invalidate();
 357         }
 358
 359         @Override public void invalidate(int l, int t, int r, int b) {
 360                 Rect rect = new Rect();
 361                 getDrawingRect(rect);
 362                 super.invalidate();
 363         }
 364
 365         @Override
 366         protected void onDraw(Canvas view_canvas) {
 367                 if (map == null) {
 368                         debug("MapView draw without map\n");
 369                         return;
 370                 }
 371                 canvas = view_canvas;
 372                 paint = new Paint(Paint.ANTI_ALIAS_FLAG);
 373                 paint.setStrokeWidth(stroke_width);
 374                 paint.setStrokeCap(Paint.Cap.ROUND);
 375                 paint.setStrokeJoin(Paint.Join.ROUND);
 376                 paint.setTextSize(40);
 377                 map.paint();
 378                 draw_positions();
 379                 canvas = null;
 380         }
 381
 382         public boolean onScale(ScaleGestureDetector detector) {
 383                 float   f = detector.getScaleFactor();
 384
 385                 if (f <= 0.8) {
 386                         map.set_zoom_centre(map.get_zoom() - 1, new AltosPointInt((int) detector.getFocusX(), (int) detector.getFocusY()));
 387                         return true;
 388                 }
 389                 if (f >= 1.2) {
 390                         map.set_zoom_centre(map.get_zoom() + 1, new AltosPointInt((int) detector.getFocusX(), (int) detector.getFocusY()));
 391                         return true;
 392                 }
 393                 return false;
 394         }
 395
 396         public boolean onScaleBegin(ScaleGestureDetector detector) {
 397                 return true;
 398         }
 399
 400         public void onScaleEnd(ScaleGestureDetector detector) {
 401         }
 402
 403         @Override
 404         public boolean dispatchTouchEvent(MotionEvent event) {
 405                 scale_detector.onTouchEvent(event);
 406
 407                 if (scale_detector.isInProgress()) {
 408                         scaling = true;
 409                 }
 410
 411                 if (scaling) {
 412                         if (event.getAction() == MotionEvent.ACTION_UP) {
 413                                 scaling = false;
 414                         }
 415                         return true;
 416                 }
 417
 418                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 419                         map.touch_start((int) event.getX(), (int) event.getY(), true);
 420                 } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
 421                         map.touch_continue((int) event.getX(), (int) event.getY(), true);
 422                 } else if (event.getAction() == MotionEvent.ACTION_UP) {
 423                         map.touch_stop((int) event.getX(), (int) event.getY(), true);
 424                 }
 425                 return true;
 426         }
 427
 428         double  mapAccuracy;
 429
 430         public void center(double lat, double lon, double accuracy) {
 431                 if (mapAccuracy <= 0 || accuracy < mapAccuracy/10 || (map != null && !map.has_centre())) {
 432                         if (map != null)
 433                                 map.maybe_centre(lat, lon);
 434                         mapAccuracy = accuracy;
 435                 }
 436         }
 437
 438         public void set_visible(boolean visible) {
 439                 if (visible)
 440                         setVisibility(VISIBLE);
 441                 else
 442                         setVisibility(GONE);
 443         }
 444
 445         public void show(TelemetryState telem_state, AltosState state, AltosGreatCircle from_receiver, Location receiver) {
 446                 boolean changed = false;
 447
 448                 if (state != null) {
 449                         map.show(state, null);
 450                         if (state.pad_lat != AltosLib.MISSING && pad == null)
 451                                 pad = new AltosLatLon(state.pad_lat, state.pad_lon);
 452                 }
 453
 454                 if (telem_state != null) {
 455                         Integer[] old_serial = rockets.keySet().toArray(new Integer[0]);
 456                         Integer[] new_serial = telem_state.states.keySet().toArray(new Integer[0]);
 457
 458                         /* remove deleted keys */
 459                         for (int serial : old_serial) {
 460                                 if (!telem_state.states.containsKey(serial))
 461                                         rockets.remove(serial);
 462                         }
 463
 464                         /* set remaining keys */
 465
 466                         for (int serial : new_serial) {
 467                                 Rocket          rocket;
 468                                 AltosState      t_state = telem_state.states.get(serial);
 469                                 if (rockets.containsKey(serial))
 470                                         rocket = rockets.get(serial);
 471                                 else {
 472                                         rocket = new Rocket(serial, this);
 473                                         rockets.put(serial, rocket);
 474                                 }
 475                                 if (t_state.gps != null) {
 476                                         AltosLatLon     latlon = new AltosLatLon(t_state.gps.lat, t_state.gps.lon);
 477                                         rocket.set_position(latlon, t_state.received_time);
 478                                         if (state.serial == serial)
 479                                                 there = latlon;
 480                                 }
 481                                 if (state != null)
 482                                         rocket.set_active(state.serial == serial);
 483                         }
 484                 }
 485                 if (receiver != null) {
 486                         AltosLatLon new_here = new AltosLatLon(receiver.getLatitude(), receiver.getLongitude());
 487                         if (!new_here.equals(here)) {
 488                                 here = new_here;
 489                                 AltosDebug.debug("Location changed, redraw");
 490                                 repaint();
 491                         }
 492                 }
 493         }
 494
 495         public void onCreateView(AltosDroid altos_droid) {
 496                 this.altos_droid = altos_droid;
 497                 map = new AltosMap(this, scale);
 498                 AltosPreferences.register_map_type_listener(this);
 499                 map.set_maptype(AltosPreferences.map_type());
 500
 501                 pad_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pad);
 502                 /* arrow at the bottom of the launchpad image */
 503                 pad_off_x = pad_bitmap.getWidth() / 2;
 504                 pad_off_y = pad_bitmap.getHeight();
 505
 506                 rocket_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.rocket);
 507                 /* arrow at the bottom of the rocket image */
 508                 rocket_off_x = rocket_bitmap.getWidth() / 2;
 509                 rocket_off_y = rocket_bitmap.getHeight();
 510
 511                 here_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ic_maps_indicator_current_position);
 512                 /* Center of the dot */
 513                 here_off_x = here_bitmap.getWidth() / 2;
 514                 here_off_y = here_bitmap.getHeight() / 2;
 515         }
 516
 517         public void onDestroyView() {
 518                 AltosPreferences.unregister_map_type_listener(this);
 519         }
 520
 521         public void map_type_changed(int map_type) {
 522                 if (map != null)
 523                         map.set_maptype(map_type);
 524         }
 525
 526         public AltosMapOffline(Context context, AttributeSet attrs) {
 527                 super(context, attrs);
 528                 this.altos_droid = altos_droid;
 529                 scale_detector = new ScaleGestureDetector(context, this);
 530         }
 531 }