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; 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_12.*;
  25
  26 import android.app.Activity;
  27 import android.graphics.*;
  28 import android.os.Bundle;
  29 import android.support.v4.app.Fragment;
  30 import android.support.v4.app.FragmentTransaction;
  31 import android.view.*;
  32 import android.widget.*;
  33 import android.location.Location;
  34 import android.content.*;
  35 import android.util.*;
  36
  37 class Rocket implements Comparable {
  38         AltosLatLon     position;
  39         String          name;
  40         int             serial;
  41         long            last_packet;
  42         boolean         active;
  43         AltosMapOffline map_offline;
  44
  45         void paint() {
  46                 map_offline.draw_bitmap(position, map_offline.rocket_bitmap, map_offline.rocket_off_x, map_offline.rocket_off_y);
  47                 map_offline.draw_text(position, name, 0, 3*map_offline.rocket_bitmap.getHeight()/4);
  48         }
  49
  50         void set_position(AltosLatLon position, long last_packet) {
  51                 this.position = position;
  52                 this.last_packet = last_packet;
  53         }
  54
  55         void set_active(boolean active) {
  56                 this.active = active;
  57         }
  58
  59         public int compareTo(Object o) {
  60                 Rocket other = (Rocket) o;
  61
  62                 if (active && !other.active)
  63                         return 1;
  64                 if (other.active && !active)
  65                         return -1;
  66
  67                 long    diff = last_packet - other.last_packet;
  68
  69                 if (diff > 0)
  70                         return 1;
  71                 if (diff < 0)
  72                         return -1;
  73                 return 0;
  74         }
  75
  76         Rocket(int serial, AltosMapOffline map_offline) {
  77                 this.serial = serial;
  78                 this.name = String.format("%d", serial);
  79                 this.map_offline = map_offline;
  80         }
  81 }
  82
  83 public class AltosMapOffline extends View implements ScaleGestureDetector.OnScaleGestureListener, AltosMapInterface, AltosDroidMapInterface, AltosMapTypeListener {
  84         ScaleGestureDetector    scale_detector;
  85         boolean                 scaling;
  86         AltosMap                map;
  87         AltosDroid              altos_droid;
  88
  89         static int scale = 2;
  90
  91         AltosLatLon     here;
  92         AltosLatLon     there;
  93         AltosLatLon     pad;
  94
  95         Canvas  canvas;
  96         Paint   paint;
  97
  98         Bitmap  pad_bitmap;
  99         int     pad_off_x, pad_off_y;
 100         Bitmap  rocket_bitmap;
 101         int     rocket_off_x, rocket_off_y;
 102         Bitmap  here_bitmap;
 103         int     here_off_x, here_off_y;
 104
 105         static  final int       WHITE = 0xffffffff;
 106         static  final int       RED   = 0xffff0000;
 107         static  final int       PINK  = 0xffff8080;
 108         static  final int       YELLOW= 0xffffff00;
 109         static  final int       CYAN  = 0xff00ffff;
 110         static  final int       BLUE  = 0xff0000ff;
 111         static  final int       BLACK = 0xff000000;
 112
 113         public static final int stateColors[] = {
 114                 WHITE,  // startup
 115                 WHITE,  // idle
 116                 WHITE,  // pad
 117                 RED,    // boost
 118                 PINK,   // fast
 119                 YELLOW, // coast
 120                 CYAN,   // drogue
 121                 BLUE,   // main
 122                 BLACK,  // landed
 123                 BLACK,  // invalid
 124                 CYAN,   // stateless
 125         };
 126
 127         /* AltosMapInterface */
 128         public void debug(String format, Object ... arguments) {
 129                 AltosDebug.debug(format, arguments);
 130         }
 131
 132         class MapTile extends AltosMapTile {
 133                 public void paint(AltosMapTransform t) {
 134                         AltosPointInt           pt = new AltosPointInt(t.screen(upper_left));
 135
 136                         if (canvas.quickReject(pt.x, pt.y, pt.x + px_size, pt.y + px_size, Canvas.EdgeType.AA))
 137                                 return;
 138
 139                         AltosImage              altos_image = this.get_image();
 140
 141                         MapImage                map_image = (MapImage) altos_image;
 142
 143                         Bitmap                  bitmap = null;
 144
 145                         if (map_image != null)
 146                                 bitmap = map_image.bitmap;
 147
 148                         if (bitmap != null) {
 149                                 canvas.drawBitmap(bitmap, pt.x, pt.y, paint);
 150                         } else {
 151                                 paint.setColor(0xff808080);
 152                                 canvas.drawRect(pt.x, pt.y, pt.x + px_size, pt.y + px_size, paint);
 153                                 if (t.has_location()) {
 154                                         String  message = null;
 155                                         switch (status) {
 156                                         case AltosMapTile.fetching:
 157                                                 message = "Fetching...";
 158                                                 break;
 159                                         case AltosMapTile.bad_request:
 160                                                 message = "Internal error";
 161                                                 break;
 162                                         case AltosMapTile.failed:
 163                                                 message = "Network error, check connection";
 164                                                 break;
 165                                         case AltosMapTile.forbidden:
 166                                                 message = "Too many requests, try later";
 167                                                 AltosDebug.debug("Forbidden map response %d\n", AltosMapStore.forbidden_response);
 168                                                 break;
 169                                         }
 170                                         if (message != null) {
 171                                                 Rect    bounds = new Rect();
 172                                                 paint.getTextBounds(message, 0, message.length(), bounds);
 173
 174                                                 int     width = bounds.right - bounds.left;
 175                                                 int     height = bounds.bottom - bounds.top;
 176
 177                                                 float x = pt.x + px_size / 2.0f;
 178                                                 float y = pt.y + px_size / 2.0f;
 179                                                 x = x - width / 2.0f;
 180                                                 y = y + height / 2.0f;
 181                                                 paint.setColor(0xff000000);
 182                                                 canvas.drawText(message, 0, message.length(), x, y, paint);
 183                                         }
 184                                 }
 185                         }
 186                 }
 187
 188                 public MapTile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
 189                         super(cache, upper_left, center, zoom, maptype, px_size, scale);
 190                 }
 191
 192         }
 193
 194         public AltosMapTile new_tile(AltosMapCache cache, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size, int scale) {
 195                 return new MapTile(cache, upper_left, center, zoom, maptype, px_size, scale);
 196         }
 197
 198         public AltosMapPath new_path() {
 199                 return null;
 200         }
 201
 202         public AltosMapLine new_line() {
 203                 return null;
 204         }
 205
 206         class MapImage implements AltosImage {
 207                 public Bitmap   bitmap;
 208
 209                 public void flush() {
 210                         if (bitmap != null) {
 211                                 bitmap.recycle();
 212                                 bitmap = null;
 213                         }
 214                 }
 215
 216                 public MapImage(File file) {
 217                         bitmap = BitmapFactory.decodeFile(file.getPath());
 218                 }
 219         }
 220
 221         public AltosImage load_image(File file) throws Exception {
 222                 return new MapImage(file);
 223         }
 224
 225         class MapMark extends AltosMapMark {
 226                 public void paint(AltosMapTransform t) {
 227                 }
 228
 229                 MapMark(double lat, double lon, int state) {
 230                         super(lat, lon, state);
 231                 }
 232         }
 233
 234         public AltosMapMark new_mark(double lat, double lon, int state) {
 235                 return new MapMark(lat, lon, state);
 236         }
 237
 238         public int width() {
 239                 return getWidth();
 240         }
 241
 242         public int height() {
 243                 return getHeight();
 244         }
 245
 246         public void repaint() {
 247                 postInvalidate();
 248         }
 249
 250         public void repaint(AltosRectangle damage) {
 251                 postInvalidate(damage.x, damage.y, damage.x + damage.width, damage.y + damage.height);
 252         }
 253
 254         public void set_zoom_label(String label) {
 255         }
 256
 257         public void select_object(AltosLatLon latlon) {
 258                 if (map.transform == null)
 259                         return;
 260                 ArrayList<Integer>      near = new ArrayList<Integer>();
 261
 262                 for (Rocket rocket : sorted_rockets()) {
 263                         if (rocket.position == null) {
 264                                 debug("rocket %d has no position\n", rocket.serial);
 265                                 continue;
 266                         }
 267                         double distance = map.transform.hypot(latlon, rocket.position);
 268                         debug("check select %d distance %g width %d\n", rocket.serial, distance, rocket_bitmap.getWidth());
 269                         if (distance < rocket_bitmap.getWidth() * 2.0) {
 270                                 debug("selecting %d\n", rocket.serial);
 271                                 near.add(rocket.serial);
 272                         }
 273                 }
 274                 if (near.size() != 0)
 275                         altos_droid.touch_trackers(near.toArray(new Integer[0]));
 276         }
 277
 278         class Line {
 279                 AltosLatLon     a, b;
 280
 281                 void paint() {
 282                         if (a != null && b != null) {
 283                                 AltosPointDouble        a_screen = map.transform.screen(a);
 284                                 AltosPointDouble        b_screen = map.transform.screen(b);
 285                                 paint.setColor(0xff8080ff);
 286                                 canvas.drawLine((float) a_screen.x, (float) a_screen.y,
 287                                                     (float) b_screen.x, (float) b_screen.y,
 288                                                     paint);
 289                         }
 290                 }
 291
 292                 void set_a(AltosLatLon a) {
 293                         this.a = a;
 294                 }
 295
 296                 void set_b(AltosLatLon b) {
 297                         this.b = b;
 298                 }
 299
 300                 Line() {
 301                 }
 302         }
 303
 304         Line line = new Line();
 305
 306         int     stroke_width = 20;
 307
 308         void draw_text(AltosLatLon lat_lon, String text, int off_x, int off_y) {
 309                 if (lat_lon != null && map != null && map.transform != null) {
 310                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 311
 312                         Rect    bounds = new Rect();
 313                         paint.getTextBounds(text, 0, text.length(), bounds);
 314
 315                         int     width = bounds.right - bounds.left;
 316                         int     height = bounds.bottom - bounds.top;
 317
 318                         float x = pt.x;
 319                         float y = pt.y;
 320                         x = x - width / 2.0f - off_x;
 321                         y = y + height / 2.0f - off_y;
 322                         paint.setColor(0xff000000);
 323                         canvas.drawText(text, 0, text.length(), x, y, paint);
 324                 }
 325         }
 326
 327         HashMap<Integer,Rocket> rockets = new HashMap<Integer,Rocket>();
 328
 329         void draw_bitmap(AltosLatLon lat_lon, Bitmap bitmap, int off_x, int off_y) {
 330                 if (lat_lon != null && map != null && map.transform != null) {
 331                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 332
 333                         canvas.drawBitmap(bitmap, pt.x - off_x, pt.y - off_y, paint);
 334                 }
 335         }
 336
 337         private Rocket[] sorted_rockets() {
 338                 Rocket[]        rocket_array = rockets.values().toArray(new Rocket[0]);
 339
 340                 Arrays.sort(rocket_array);
 341                 return rocket_array;
 342         }
 343
 344         private void draw_positions() {
 345                 line.set_a(there);
 346                 line.set_b(here);
 347                 line.paint();
 348                 draw_bitmap(pad, pad_bitmap, pad_off_x, pad_off_y);
 349
 350                 for (Rocket rocket : sorted_rockets())
 351                         rocket.paint();
 352                 draw_bitmap(here, here_bitmap, here_off_x, here_off_y);
 353         }
 354
 355         @Override public void invalidate() {
 356                 Rect r = new Rect();
 357                 getDrawingRect(r);
 358                 super.invalidate();
 359         }
 360
 361         @Override public void invalidate(int l, int t, int r, int b) {
 362                 Rect rect = new Rect();
 363                 getDrawingRect(rect);
 364                 super.invalidate();
 365         }
 366
 367         @Override
 368         protected void onDraw(Canvas view_canvas) {
 369                 if (map == null) {
 370                         debug("MapView draw without map\n");
 371                         return;
 372                 }
 373                 canvas = view_canvas;
 374                 paint = new Paint(Paint.ANTI_ALIAS_FLAG);
 375                 paint.setStrokeWidth(stroke_width);
 376                 paint.setStrokeCap(Paint.Cap.ROUND);
 377                 paint.setStrokeJoin(Paint.Join.ROUND);
 378                 paint.setTextSize(40);
 379                 map.paint();
 380                 draw_positions();
 381                 canvas = null;
 382         }
 383
 384         public boolean onScale(ScaleGestureDetector detector) {
 385                 float   f = detector.getScaleFactor();
 386
 387                 if (f <= 0.8) {
 388                         map.set_zoom_centre(map.get_zoom() - 1, new AltosPointInt((int) detector.getFocusX(), (int) detector.getFocusY()));
 389                         return true;
 390                 }
 391                 if (f >= 1.2) {
 392                         map.set_zoom_centre(map.get_zoom() + 1, new AltosPointInt((int) detector.getFocusX(), (int) detector.getFocusY()));
 393                         return true;
 394                 }
 395                 return false;
 396         }
 397
 398         public boolean onScaleBegin(ScaleGestureDetector detector) {
 399                 return true;
 400         }
 401
 402         public void onScaleEnd(ScaleGestureDetector detector) {
 403         }
 404
 405         @Override
 406         public boolean dispatchTouchEvent(MotionEvent event) {
 407                 scale_detector.onTouchEvent(event);
 408
 409                 if (scale_detector.isInProgress()) {
 410                         scaling = true;
 411                 }
 412
 413                 if (scaling) {
 414                         if (event.getAction() == MotionEvent.ACTION_UP) {
 415                                 scaling = false;
 416                         }
 417                         return true;
 418                 }
 419
 420                 if (event.getAction() == MotionEvent.ACTION_DOWN) {
 421                         map.touch_start((int) event.getX(), (int) event.getY(), true);
 422                 } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
 423                         map.touch_continue((int) event.getX(), (int) event.getY(), true);
 424                 } else if (event.getAction() == MotionEvent.ACTION_UP) {
 425                         map.touch_stop((int) event.getX(), (int) event.getY(), true);
 426                 }
 427                 return true;
 428         }
 429
 430         double  mapAccuracy;
 431
 432         public void center(double lat, double lon, double accuracy) {
 433                 if (mapAccuracy <= 0 || accuracy < mapAccuracy/10 || (map != null && !map.has_centre())) {
 434                         if (map != null)
 435                                 map.maybe_centre(lat, lon);
 436                         mapAccuracy = accuracy;
 437                 }
 438         }
 439
 440         public void set_visible(boolean visible) {
 441                 if (visible)
 442                         setVisibility(VISIBLE);
 443                 else
 444                         setVisibility(GONE);
 445         }
 446
 447         public void show(TelemetryState telem_state, AltosState state, AltosGreatCircle from_receiver, Location receiver) {
 448                 boolean changed = false;
 449
 450                 if (state != null) {
 451                         map.show(state, null);
 452                         if (state.pad_lat != AltosLib.MISSING && pad == null)
 453                                 pad = new AltosLatLon(state.pad_lat, state.pad_lon);
 454                 }
 455
 456                 if (telem_state != null) {
 457                         Integer[] old_serial = rockets.keySet().toArray(new Integer[0]);
 458                         Integer[] new_serial = telem_state.states.keySet().toArray(new Integer[0]);
 459
 460                         /* remove deleted keys */
 461                         for (int serial : old_serial) {
 462                                 if (!telem_state.states.containsKey(serial))
 463                                         rockets.remove(serial);
 464                         }
 465
 466                         /* set remaining keys */
 467
 468                         for (int serial : new_serial) {
 469                                 Rocket          rocket;
 470                                 AltosState      t_state = telem_state.states.get(serial);
 471                                 if (rockets.containsKey(serial))
 472                                         rocket = rockets.get(serial);
 473                                 else {
 474                                         rocket = new Rocket(serial, this);
 475                                         rockets.put(serial, rocket);
 476                                 }
 477                                 if (t_state.gps != null) {
 478                                         AltosLatLon     latlon = new AltosLatLon(t_state.gps.lat, t_state.gps.lon);
 479                                         rocket.set_position(latlon, t_state.received_time);
 480                                         if (state.cal_data.serial == serial)
 481                                                 there = latlon;
 482                                 }
 483                                 if (state != null)
 484                                         rocket.set_active(state.cal_data.serial == serial);
 485                         }
 486                 }
 487                 if (receiver != null) {
 488                         AltosLatLon new_here = new AltosLatLon(receiver.getLatitude(), receiver.getLongitude());
 489                         if (!new_here.equals(here)) {
 490                                 here = new_here;
 491                                 AltosDebug.debug("Location changed, redraw");
 492                                 repaint();
 493                         }
 494                 }
 495         }
 496
 497         public void onCreateView(AltosDroid altos_droid) {
 498                 this.altos_droid = altos_droid;
 499                 map = new AltosMap(this, scale);
 500                 AltosPreferences.register_map_type_listener(this);
 501                 map.set_maptype(AltosPreferences.map_type());
 502
 503                 pad_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pad);
 504                 /* arrow at the bottom of the launchpad image */
 505                 pad_off_x = pad_bitmap.getWidth() / 2;
 506                 pad_off_y = pad_bitmap.getHeight();
 507
 508                 rocket_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.rocket);
 509                 /* arrow at the bottom of the rocket image */
 510                 rocket_off_x = rocket_bitmap.getWidth() / 2;
 511                 rocket_off_y = rocket_bitmap.getHeight();
 512
 513                 here_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ic_maps_indicator_current_position);
 514                 /* Center of the dot */
 515                 here_off_x = here_bitmap.getWidth() / 2;
 516                 here_off_y = here_bitmap.getHeight() / 2;
 517         }
 518
 519         public void onDestroyView() {
 520                 AltosPreferences.unregister_map_type_listener(this);
 521         }
 522
 523         public void map_type_changed(int map_type) {
 524                 if (map != null)
 525                         map.set_maptype(map_type);
 526         }
 527
 528         public AltosMapOffline(Context context, AttributeSet attrs) {
 529                 super(context, attrs);
 530                 this.altos_droid = altos_droid;
 531                 scale_detector = new ScaleGestureDetector(context, this);
 532         }
 533 }