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

   1 /*
   2  * Copyright © 2013 Mike Beattie <mike@ethernal.org>
   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
  35 class Rocket {
  36         AltosLatLon     position;
  37         String          name;
  38         TabMapOffline   tab;
  39
  40         void paint() {
  41                 tab.draw_bitmap(position, tab.rocket_bitmap, tab.rocket_off_x, tab.rocket_off_y);
  42                 tab.draw_text(position, name, 0, 3*tab.rocket_bitmap.getHeight()/4);
  43         }
  44
  45         void set_position(AltosLatLon position) {
  46                 this.position = position;
  47         }
  48
  49         Rocket(String name, TabMapOffline tab) {
  50                 this.name = name;
  51                 this.tab = tab;
  52         }
  53 }
  54
  55 public class TabMapOffline extends AltosDroidTab implements AltosMapInterface {
  56
  57         AltosDroid mAltosDroid;
  58
  59         AltosMap map;
  60
  61         AltosLatLon     here;
  62         AltosLatLon     pad;
  63
  64         Canvas  canvas;
  65         Paint   paint;
  66
  67         Bitmap  pad_bitmap;
  68         int     pad_off_x, pad_off_y;
  69         Bitmap  rocket_bitmap;
  70         int     rocket_off_x, rocket_off_y;
  71         Bitmap  here_bitmap;
  72         int     here_off_x, here_off_y;
  73
  74         private boolean pad_set;
  75
  76         private TextView mDistanceView;
  77         private TextView mBearingView;
  78         private TextView mTargetLatitudeView;
  79         private TextView mTargetLongitudeView;
  80         private TextView mReceiverLatitudeView;
  81         private TextView mReceiverLongitudeView;
  82         private AltosMapView map_view;
  83
  84         private double mapAccuracy = -1;
  85
  86         int     stroke_width = 20;
  87
  88
  89         void draw_text(AltosLatLon lat_lon, String text, int off_x, int off_y) {
  90                 if (lat_lon != null && map != null && map.transform != null) {
  91                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
  92
  93                         Rect    bounds = new Rect();
  94                         paint.getTextBounds(text, 0, text.length(), bounds);
  95
  96                         int     width = bounds.right - bounds.left;
  97                         int     height = bounds.bottom - bounds.top;
  98
  99                         float x = pt.x;
 100                         float y = pt.y;
 101                         x = x - width / 2.0f - off_x;
 102                         y = y + height / 2.0f - off_y;
 103                         paint.setColor(0xff000000);
 104                         canvas.drawText(text, 0, text.length(), x, y, paint);
 105                 }
 106         }
 107
 108         void draw_bitmap(AltosLatLon lat_lon, Bitmap bitmap, int off_x, int off_y) {
 109                 if (lat_lon != null && map != null && map.transform != null) {
 110                         AltosPointInt pt = new AltosPointInt(map.transform.screen(lat_lon));
 111
 112                         canvas.drawBitmap(bitmap, pt.x - off_x, pt.y - off_y, paint);
 113                 }
 114         }
 115
 116         HashMap<Integer,Rocket> rockets = new HashMap<Integer,Rocket>();
 117
 118         /* AltosMapInterface */
 119
 120         static  final int       WHITE = 0xffffffff;
 121         static  final int       RED   = 0xffff0000;
 122         static  final int       PINK  = 0xffff8080;
 123         static  final int       YELLOW= 0xffffff00;
 124         static  final int       CYAN  = 0xff00ffff;
 125         static  final int       BLUE  = 0xff0000ff;
 126         static  final int       BLACK = 0xff000000;
 127
 128         public static final int stateColors[] = {
 129                 WHITE,  // startup
 130                 WHITE,  // idle
 131                 WHITE,  // pad
 132                 RED,    // boost
 133                 PINK,   // fast
 134                 YELLOW, // coast
 135                 CYAN,   // drogue
 136                 BLUE,   // main
 137                 BLACK,  // landed
 138                 BLACK,  // invalid
 139                 CYAN,   // stateless
 140         };
 141
 142         class MapPath extends AltosMapPath {
 143
 144                 boolean line_in(AltosPointDouble a, AltosPointDouble b) {
 145                         final Rect bounds = canvas.getClipBounds();
 146                         int left = (int) Math.floor (Math.min((float) a.x, (float) b.x) - stroke_width / 2.0f);
 147                         int right = (int) Math.ceil(Math.max((float) a.x, (float) b.x) + stroke_width / 2.0f);
 148                         int top = (int) Math.floor(Math.min((float) a.y, (float) b.y) - stroke_width / 2.0f);
 149                         int bottom = (int) Math.ceil(Math.max((float) a.y, (float) b.y) + stroke_width / 2.0f);
 150
 151                         return left < bounds.right && bounds.left < right &&
 152                                 top < bounds.bottom && bounds.top < bottom;
 153                 }
 154
 155                 public void paint(AltosMapTransform t) {
 156                         AltosPointDouble        prev = null;
 157                         int                     cur_color = paint.getColor();
 158
 159                         for (AltosMapPathPoint point : points) {
 160                                 AltosPointDouble        cur = t.screen(point.lat_lon);
 161
 162                                 if (prev != null && line_in(prev, cur)) {
 163                                         int color;
 164                                         if (0 <= point.state && point.state < stateColors.length)
 165                                                 color = stateColors[point.state];
 166                                         else
 167                                                 color = stateColors[AltosLib.ao_flight_invalid];
 168                                         if (color != cur_color) {
 169                                                 paint.setColor(color);
 170                                                 cur_color = color;
 171                                         }
 172                                         canvas.drawLine((float) prev.x, (float) prev.y, (float) cur.x, (float) cur.y, paint);
 173                                 }
 174                                 prev = cur;
 175                         }
 176                 }
 177
 178                 public MapPath() {
 179                         stroke_width = TabMapOffline.this.stroke_width;
 180                 }
 181         }
 182
 183         public AltosMapPath new_path() {
 184                 return null;
 185         }
 186
 187         class MapLine extends AltosMapLine {
 188                 public void paint(AltosMapTransform t) {
 189                 }
 190
 191                 public MapLine() {
 192                 }
 193         }
 194
 195         public AltosMapLine new_line() {
 196                 return null;
 197         }
 198
 199         class MapImage implements AltosImage {
 200                 public Bitmap   bitmap;
 201
 202                 public void flush() {
 203                         if (bitmap != null) {
 204                                 bitmap.recycle();
 205                                 bitmap = null;
 206                         }
 207                 }
 208
 209                 public MapImage(File file) {
 210                         bitmap = BitmapFactory.decodeFile(file.getPath());
 211                 }
 212         }
 213
 214         public AltosImage load_image(File file) throws Exception {
 215                 return new MapImage(file);
 216         }
 217
 218         class MapMark extends AltosMapMark {
 219                 public void paint(AltosMapTransform t) {
 220                 }
 221
 222                 MapMark(double lat, double lon, int state) {
 223                         super(lat, lon, state);
 224                 }
 225         }
 226
 227         public AltosMapMark new_mark(double lat, double lon, int state) {
 228                 return new MapMark(lat, lon, state);
 229         }
 230
 231         class MapTile extends AltosMapTile {
 232                 public void paint(AltosMapTransform t) {
 233                         AltosPointInt           pt = new AltosPointInt(t.screen(upper_left));
 234
 235                         if (canvas.quickReject(pt.x, pt.y, pt.x + px_size, pt.y + px_size, Canvas.EdgeType.AA))
 236                                 return;
 237
 238                         AltosImage              altos_image = cache.get(this, store, px_size, px_size);
 239
 240                         MapImage                map_image = (MapImage) altos_image;
 241
 242                         Bitmap                  bitmap = null;
 243
 244                         if (map_image != null)
 245                                 bitmap = map_image.bitmap;
 246
 247                         if (bitmap != null) {
 248                                 canvas.drawBitmap(bitmap, pt.x, pt.y, paint);
 249                         } else {
 250                                 paint.setColor(0xff808080);
 251                                 canvas.drawRect(pt.x, pt.y, pt.x + px_size, pt.y + px_size, paint);
 252                                 if (t.has_location()) {
 253                                         String  message = null;
 254                                         switch (status) {
 255                                         case AltosMapTile.loading:
 256                                                 message = "Loading...";
 257                                                 break;
 258                                         case AltosMapTile.bad_request:
 259                                                 message = "Internal error";
 260                                                 break;
 261                                         case AltosMapTile.failed:
 262                                                 message = "Network error, check connection";
 263                                                 break;
 264                                         case AltosMapTile.forbidden:
 265                                                 message = "Too many requests, try later";
 266                                                 break;
 267                                         }
 268                                         if (message != null) {
 269                                                 Rect    bounds = new Rect();
 270                                                 paint.getTextBounds(message, 0, message.length(), bounds);
 271
 272                                                 int     width = bounds.right - bounds.left;
 273                                                 int     height = bounds.bottom - bounds.top;
 274
 275                                                 float x = pt.x + px_size / 2.0f;
 276                                                 float y = pt.y + px_size / 2.0f;
 277                                                 x = x - width / 2.0f;
 278                                                 y = y + height / 2.0f;
 279                                                 paint.setColor(0xff000000);
 280                                                 canvas.drawText(message, 0, message.length(), x, y, paint);
 281                                         }
 282                                 }
 283                         }
 284                 }
 285
 286                 public MapTile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
 287                         super(listener, upper_left, center, zoom, maptype, px_size, 2);
 288                 }
 289
 290         }
 291
 292         public AltosMapTile new_tile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
 293                 return new MapTile(listener, upper_left, center, zoom, maptype, px_size);
 294         }
 295
 296         public int width() {
 297                 if (map_view != null)
 298                         return map_view.getWidth();
 299                 return 500;
 300         }
 301
 302         public int height() {
 303                 if (map_view != null)
 304                         return map_view.getHeight();
 305                 return 500;
 306         }
 307
 308         public void repaint() {
 309                 if (map_view != null)
 310                         map_view.postInvalidate();
 311         }
 312
 313         public void repaint(AltosRectangle damage) {
 314                 if (map_view != null)
 315                         map_view.postInvalidate(damage.x, damage.y, damage.x + damage.width, damage.y + damage.height);
 316         }
 317
 318         public void set_zoom_label(String label) {
 319         }
 320
 321         public void debug(String format, Object ... arguments) {
 322                 AltosDebug.debug(format, arguments);
 323         }
 324
 325         @Override
 326         public void onAttach(Activity activity) {
 327                 super.onAttach(activity);
 328                 mAltosDroid = (AltosDroid) activity;
 329                 mAltosDroid.registerTab(this);
 330
 331                 map = new AltosMap(this);
 332                 map.set_maptype(mAltosDroid.map_type);
 333
 334                 pad_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.pad);
 335                 /* arrow at the bottom of the launchpad image */
 336                 pad_off_x = pad_bitmap.getWidth() / 2;
 337                 pad_off_y = pad_bitmap.getHeight();
 338
 339                 rocket_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.rocket);
 340                 /* arrow at the bottom of the rocket image */
 341                 rocket_off_x = rocket_bitmap.getWidth() / 2;
 342                 rocket_off_y = rocket_bitmap.getHeight();
 343
 344                 here_bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.ic_maps_indicator_current_position);
 345                 /* Center of the dot */
 346                 here_off_x = here_bitmap.getWidth() / 2;
 347                 here_off_y = here_bitmap.getHeight() / 2;
 348         }
 349
 350         @Override
 351         public void onDetach() {
 352                 super.onDetach();
 353                 mAltosDroid = null;
 354         }
 355
 356         @Override
 357         public void onCreate(Bundle savedInstanceState) {
 358                 super.onCreate(savedInstanceState);
 359         }
 360
 361         @Override
 362         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 363                 View v = inflater.inflate(R.layout.tab_map_offline, container, false);
 364
 365                 map_view = (AltosMapView)v.findViewById(R.id.map_view_offline);
 366                 map_view.set_tab(this);
 367                 mDistanceView  = (TextView)v.findViewById(R.id.distance_value_offline);
 368                 mBearingView   = (TextView)v.findViewById(R.id.bearing_value_offline);
 369                 mTargetLatitudeView  = (TextView)v.findViewById(R.id.target_lat_value_offline);
 370                 mTargetLongitudeView = (TextView)v.findViewById(R.id.target_lon_value_offline);
 371                 mReceiverLatitudeView  = (TextView)v.findViewById(R.id.receiver_lat_value_offline);
 372                 mReceiverLongitudeView = (TextView)v.findViewById(R.id.receiver_lon_value_offline);
 373                 return v;
 374         }
 375
 376         @Override
 377         public void onActivityCreated(Bundle savedInstanceState) {
 378                 super.onActivityCreated(savedInstanceState);
 379         }
 380
 381         @Override
 382         public void onDestroyView() {
 383                 super.onDestroyView();
 384
 385                 mAltosDroid.unregisterTab(this);
 386         }
 387
 388         private void center(double lat, double lon, double accuracy) {
 389                 if (mapAccuracy < 0 || accuracy < mapAccuracy/10) {
 390                         if (map != null)
 391                                 map.maybe_centre(lat, lon);
 392                         mapAccuracy = accuracy;
 393                 }
 394         }
 395
 396         public String tab_name() { return "offmap"; }
 397
 398         public void show(AltosState state, AltosGreatCircle from_receiver, Location receiver) {
 399                 if (from_receiver != null) {
 400                         mBearingView.setText(String.format("%3.0f°", from_receiver.bearing));
 401                         set_value(mDistanceView, AltosConvert.distance, 6, from_receiver.distance);
 402                 }
 403
 404                 if (state != null) {
 405                         map.show(state, null);
 406                         if (state.gps != null) {
 407                                 mTargetLatitudeView.setText(AltosDroid.pos(state.gps.lat, "N", "S"));
 408                                 mTargetLongitudeView.setText(AltosDroid.pos(state.gps.lon, "E", "W"));
 409                                 if (state.gps.locked && state.gps.nsat >= 4)
 410                                         center (state.gps.lat, state.gps.lon, 10);
 411                         }
 412                         if (state.pad_lat != AltosLib.MISSING && pad == null)
 413                                 pad = new AltosLatLon(state.pad_lat, state.pad_lon);
 414
 415                         int serial = state.serial;
 416                         if (serial == AltosLib.MISSING)
 417                                 serial = 0;
 418
 419                         Rocket  rocket = null;
 420
 421                         if (state.gps != null && state.gps.locked) {
 422                                 if (!rockets.containsKey(serial)) {
 423                                         rocket = new Rocket(String.format("%d", serial), this);
 424                                         rockets.put(serial, rocket);
 425                                 } else
 426                                         rocket = rockets.get(serial);
 427                                 rocket.set_position(new AltosLatLon(state.gps.lat, state.gps.lon));
 428                         }
 429                 }
 430
 431                 if (receiver != null) {
 432                         double accuracy;
 433
 434                         here = new AltosLatLon(receiver.getLatitude(), receiver.getLongitude());
 435                         if (receiver.hasAccuracy())
 436                                 accuracy = receiver.getAccuracy();
 437                         else
 438                                 accuracy = 1000;
 439                         mReceiverLatitudeView.setText(AltosDroid.pos(here.lat, "N", "S"));
 440                         mReceiverLongitudeView.setText(AltosDroid.pos(here.lon, "E", "W"));
 441                         center (here.lat, here.lon, accuracy);
 442                 }
 443
 444         }
 445
 446         @Override
 447         public void set_map_type(int map_type) {
 448                 if (map != null)
 449                         map.set_maptype(map_type);
 450         }
 451
 452         public TabMapOffline() {
 453         }
 454 }