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.Arrays;
  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 public class TabMapOffline extends AltosDroidTab implements AltosMapInterface {
  36
  37         AltosDroid mAltosDroid;
  38
  39         AltosMap map;
  40
  41         Canvas  canvas;
  42         Paint   paint;
  43
  44         private boolean pad_set;
  45
  46         private TextView mDistanceView;
  47         private TextView mBearingView;
  48         private TextView mTargetLatitudeView;
  49         private TextView mTargetLongitudeView;
  50         private TextView mReceiverLatitudeView;
  51         private TextView mReceiverLongitudeView;
  52
  53         private double mapAccuracy = -1;
  54
  55         int     stroke_width = 20;
  56
  57         class MapView extends View implements ScaleGestureDetector.OnScaleGestureListener {
  58
  59                 ScaleGestureDetector    scale_detector;
  60                 boolean                 scaling;
  61
  62                 protected void onDraw(Canvas view_canvas) {
  63                         canvas = view_canvas;
  64                         paint = new Paint(Paint.ANTI_ALIAS_FLAG);
  65                         paint.setStrokeWidth(stroke_width);
  66                         paint.setStrokeCap(Paint.Cap.ROUND);
  67                         paint.setStrokeJoin(Paint.Join.ROUND);
  68                         map.paint();
  69                         canvas = null;
  70                 }
  71
  72                 public boolean onScale(ScaleGestureDetector detector) {
  73                         float   f = detector.getScaleFactor();
  74                         AltosDebug.debug("onScale %f\n", f);
  75                         if (f <= 0.8) {
  76                                 map.set_zoom(map.get_zoom() - 1);
  77                                 return true;
  78                         }
  79                         if (f >= 1.2) {
  80                                 map.set_zoom(map.get_zoom() + 1);
  81                                 return true;
  82                         }
  83                         return false;
  84                 }
  85
  86                 public boolean onScaleBegin(ScaleGestureDetector detector) {
  87                         AltosDebug.debug("onScaleBegin %f\n", detector.getScaleFactor());
  88                         return true;
  89                 }
  90
  91                 public void onScaleEnd(ScaleGestureDetector detector) {
  92                         AltosDebug.debug("onScaleEnd %f\n", detector.getScaleFactor());
  93                 }
  94
  95                 @Override
  96                 public boolean dispatchTouchEvent(MotionEvent event) {
  97                         scale_detector.onTouchEvent(event);
  98
  99                         if (scale_detector.isInProgress()) {
 100                                 scaling = true;
 101                         }
 102
 103                         if (scaling) {
 104                                 if(AltosDebug.D) AltosDebug.debug("scale in progress\n");
 105                                 if (event.getAction() == MotionEvent.ACTION_UP) {
 106                                         AltosDebug.debug("scale finished\n");
 107                                         scaling = false;
 108                                 }
 109                                 return true;
 110                         }
 111
 112                         if (event.getAction() == MotionEvent.ACTION_DOWN) {
 113                                 AltosDebug.debug("down event %g %g\n", event.getX(), event.getY());
 114                                 map.touch_start((int) event.getX(), (int) event.getY(), true);
 115                         } else if (event.getAction() == MotionEvent.ACTION_MOVE) {
 116                                 AltosDebug.debug("continue event %g %g\n", event.getX(), event.getY());
 117                                 map.touch_continue((int) event.getX(), (int) event.getY(), true);
 118                         }
 119                         return true;
 120                 }
 121
 122                 public MapView(Context context) {
 123                         super(context);
 124                         scale_detector = new ScaleGestureDetector(this.getContext(), this);
 125                 }
 126         }
 127
 128         class MapFragment extends Fragment {
 129                 MapView map_view;
 130
 131                 public View onCreateView(LayoutInflater inflator, ViewGroup container, Bundle savedInstanceState) {
 132                         map_view = new MapView(container.getContext());
 133                         return map_view;
 134                 }
 135
 136                 public MapFragment() {
 137                 }
 138         }
 139
 140         MapFragment map_fragment;
 141
 142         /* AltosMapInterface */
 143
 144         static  final int       WHITE = 0xffffffff;
 145         static  final int       RED   = 0xffff0000;
 146         static  final int       PINK  = 0xffff8080;
 147         static  final int       YELLOW= 0xffffff00;
 148         static  final int       CYAN  = 0xff00ffff;
 149         static  final int       BLUE  = 0xff0000ff;
 150         static  final int       BLACK = 0xff000000;
 151
 152         public static final int stateColors[] = {
 153                 WHITE,  // startup
 154                 WHITE,  // idle
 155                 WHITE,  // pad
 156                 RED,    // boost
 157                 PINK,   // fast
 158                 YELLOW, // coast
 159                 CYAN,   // drogue
 160                 BLUE,   // main
 161                 BLACK,  // landed
 162                 BLACK,  // invalid
 163                 CYAN,   // stateless
 164         };
 165
 166         class MapPath extends AltosMapPath {
 167
 168                 boolean line_in(AltosPointDouble a, AltosPointDouble b) {
 169                         final Rect bounds = canvas.getClipBounds();
 170                         int left = (int) Math.floor (Math.min((float) a.x, (float) b.x) - stroke_width / 2.0f);
 171                         int right = (int) Math.ceil(Math.max((float) a.x, (float) b.x) + stroke_width / 2.0f);
 172                         int top = (int) Math.floor(Math.min((float) a.y, (float) b.y) - stroke_width / 2.0f);
 173                         int bottom = (int) Math.ceil(Math.max((float) a.y, (float) b.y) + stroke_width / 2.0f);
 174
 175                         return left < bounds.right && bounds.left < right &&
 176                                 top < bounds.bottom && bounds.top < bottom;
 177                 }
 178
 179                 public void paint(AltosMapTransform t) {
 180                         AltosPointDouble        prev = null;
 181                         int                     cur_color = paint.getColor();
 182
 183                         for (AltosMapPathPoint point : points) {
 184                                 AltosPointDouble        cur = t.screen(point.lat_lon);
 185
 186                                 if (prev != null && line_in(prev, cur)) {
 187                                         int color;
 188                                         if (0 <= point.state && point.state < stateColors.length)
 189                                                 color = stateColors[point.state];
 190                                         else
 191                                                 color = stateColors[AltosLib.ao_flight_invalid];
 192                                         if (color != cur_color) {
 193                                                 paint.setColor(color);
 194                                                 cur_color = color;
 195                                         }
 196                                         canvas.drawLine((float) prev.x, (float) prev.y, (float) cur.x, (float) cur.y, paint);
 197                                 }
 198                                 prev = cur;
 199                         }
 200                 }
 201
 202                 public MapPath() {
 203                         stroke_width = TabMapOffline.this.stroke_width;
 204                 }
 205         }
 206
 207         public AltosMapPath new_path() {
 208                 return new MapPath();
 209         }
 210
 211         class MapLine extends AltosMapLine {
 212                 public void paint(AltosMapTransform t) {
 213                 }
 214
 215                 public MapLine() {
 216                 }
 217         }
 218
 219         public AltosMapLine new_line() {
 220                 return new MapLine();
 221         }
 222
 223         class MapImage implements AltosImage {
 224                 public Bitmap   bitmap;
 225
 226                 public void flush() {
 227                         if (bitmap != null) {
 228                                 bitmap.recycle();
 229                                 bitmap = null;
 230                         }
 231                 }
 232
 233                 public MapImage(File file) {
 234                         bitmap = BitmapFactory.decodeFile(file.getPath());
 235                 }
 236         }
 237
 238         public AltosImage load_image(File file) throws Exception {
 239                 return new MapImage(file);
 240         }
 241
 242         class MapMark extends AltosMapMark {
 243                 public void paint(AltosMapTransform t) {
 244                 }
 245
 246                 MapMark(double lat, double lon, int state) {
 247                         super(lat, lon, state);
 248                 }
 249         }
 250
 251         public AltosMapMark new_mark(double lat, double lon, int state) {
 252                 return new MapMark(lat, lon, state);
 253         }
 254
 255         class MapTile extends AltosMapTile {
 256                 public void paint(AltosMapTransform t) {
 257                         AltosPointInt           pt = new AltosPointInt(t.screen(upper_left));
 258
 259                         if (canvas.quickReject(pt.x, pt.y, pt.x + px_size, pt.y + px_size, Canvas.EdgeType.AA))
 260                                 return;
 261
 262                         AltosImage              altos_image = cache.get(this, store, px_size, px_size);
 263
 264                         MapImage                map_image = (MapImage) altos_image;
 265
 266                         Bitmap                  bitmap = null;
 267
 268                         if (map_image != null)
 269                                 bitmap = map_image.bitmap;
 270
 271                         if (bitmap != null) {
 272                                 canvas.drawBitmap(bitmap, pt.x, pt.y, paint);
 273                         } else {
 274                                 paint.setColor(0xff808080);
 275                                 canvas.drawRect(pt.x, pt.y, pt.x + px_size, pt.y + px_size, paint);
 276                                 if (t.has_location()) {
 277                                         String  message = null;
 278                                         switch (status) {
 279                                         case AltosMapTile.loading:
 280                                                 message = "Loading...";
 281                                                 break;
 282                                         case AltosMapTile.bad_request:
 283                                                 message = "Internal error";
 284                                                 break;
 285                                         case AltosMapTile.failed:
 286                                                 message = "Network error, check connection";
 287                                                 break;
 288                                         case AltosMapTile.forbidden:
 289                                                 message = "Too many requests, try later";
 290                                                 break;
 291                                         }
 292                                         if (message != null) {
 293                                                 Rect    bounds = new Rect();
 294                                                 paint.getTextBounds(message, 0, message.length(), bounds);
 295
 296                                                 int     width = bounds.right - bounds.left;
 297                                                 int     height = bounds.bottom - bounds.top;
 298
 299                                                 float x = pt.x + px_size / 2.0f;
 300                                                 float y = pt.y + px_size / 2.0f;
 301                                                 x = x - width / 2.0f;
 302                                                 y = y + height / 2.0f;
 303                                                 paint.setColor(0xff000000);
 304                                                 canvas.drawText(message, 0, message.length(), x, y, paint);
 305                                         }
 306                                 }
 307                         }
 308
 309                 }
 310
 311                 public MapTile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
 312                         super(listener, upper_left, center, zoom, maptype, px_size, 2);
 313                 }
 314
 315         }
 316
 317         public AltosMapTile new_tile(AltosMapTileListener listener, AltosLatLon upper_left, AltosLatLon center, int zoom, int maptype, int px_size) {
 318                 return new MapTile(listener, upper_left, center, zoom, maptype, px_size);
 319         }
 320
 321         public int width() {
 322                 if (map_fragment != null && map_fragment.map_view != null)
 323                         return map_fragment.map_view.getWidth();
 324                 return 500;
 325         }
 326
 327         public int height() {
 328                 if (map_fragment != null && map_fragment.map_view != null)
 329                         return map_fragment.map_view.getHeight();
 330                 return 500;
 331         }
 332
 333         public void repaint() {
 334                 this.getActivity().runOnUiThread(new Runnable() {
 335                                 public void run() {
 336                                         if (map_fragment != null && map_fragment.map_view != null)
 337                                                 map_fragment.map_view.invalidate();
 338                                 }
 339                         });
 340         }
 341
 342         public void repaint(AltosRectangle t_damage) {
 343                 final AltosRectangle damage = t_damage;
 344                 this.getActivity().runOnUiThread(new Runnable() {
 345                                 public void run() {
 346                                         if (map_fragment != null && map_fragment.map_view != null)
 347                                                 map_fragment.map_view.invalidate(damage.x, damage.y, damage.x + damage.width, damage.y + damage.height);
 348                                 }
 349                         });
 350         }
 351
 352         public void set_zoom_label(String label) {
 353         }
 354
 355         @Override
 356         public void onAttach(Activity activity) {
 357                 super.onAttach(activity);
 358                 mAltosDroid = (AltosDroid) activity;
 359                 mAltosDroid.registerTab(this);
 360         }
 361
 362         @Override
 363         public void onCreate(Bundle savedInstanceState) {
 364                 super.onCreate(savedInstanceState);
 365         }
 366
 367         @Override
 368         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 369                 View v = inflater.inflate(R.layout.tab_map, container, false);
 370
 371                 map_fragment = new MapFragment();
 372                 map = new AltosMap(this);
 373                 mDistanceView  = (TextView)v.findViewById(R.id.distance_value);
 374                 mBearingView   = (TextView)v.findViewById(R.id.bearing_value);
 375                 mTargetLatitudeView  = (TextView)v.findViewById(R.id.target_lat_value);
 376                 mTargetLongitudeView = (TextView)v.findViewById(R.id.target_lon_value);
 377                 mReceiverLatitudeView  = (TextView)v.findViewById(R.id.receiver_lat_value);
 378                 mReceiverLongitudeView = (TextView)v.findViewById(R.id.receiver_lon_value);
 379                 return v;
 380         }
 381
 382         @Override
 383         public void onActivityCreated(Bundle savedInstanceState) {
 384                 super.onActivityCreated(savedInstanceState);
 385                 getChildFragmentManager().beginTransaction().add(R.id.map, map_fragment).commit();
 386         }
 387
 388         @Override
 389         public void onDestroyView() {
 390                 super.onDestroyView();
 391
 392                 mAltosDroid.unregisterTab(this);
 393                 mAltosDroid = null;
 394                 map_fragment = null;
 395
 396 //              Fragment fragment = (getFragmentManager().findFragmentById(R.id.map));
 397 //              FragmentTransaction ft = getActivity().getSupportFragmentManager().beginTransaction();
 398 //              ft.remove(fragment);
 399 //              ft.commit();
 400         }
 401
 402         private void setupMap() {
 403 /*
 404                 mMap = mMapFragment.getMap();
 405                 if (mMap != null) {
 406                         mMap.setMyLocationEnabled(true);
 407                         mMap.getUiSettings().setTiltGesturesEnabled(false);
 408                         mMap.getUiSettings().setZoomControlsEnabled(false);
 409
 410                         mRocketMarker = mMap.addMarker(
 411                                         // From: http://mapicons.nicolasmollet.com/markers/industry/military/missile-2/
 412                                         new MarkerOptions().icon(BitmapDescriptorFactory.fromResource(R.drawable.rocket))
 413                                                            .position(new LatLng(0,0))
 414                                                            .visible(false)
 415                                         );
 416
 417                         mPadMarker = mMap.addMarker(
 418                                         new MarkerOptions().icon(BitmapDescriptorFactory.fromResource(R.drawable.pad))
 419                                                            .position(new LatLng(0,0))
 420                                                            .visible(false)
 421                                         );
 422
 423                         mPolyline = mMap.addPolyline(
 424                                         new PolylineOptions().add(new LatLng(0,0), new LatLng(0,0))
 425                                                              .width(3)
 426                                                              .color(Color.BLUE)
 427                                                              .visible(false)
 428                                         );
 429
 430                         mapLoaded = true;
 431                 }
 432 */
 433         }
 434
 435         private void center(double lat, double lon, double accuracy) {
 436                 if (mapAccuracy < 0 || accuracy < mapAccuracy/10) {
 437                         if (map != null)
 438                                 map.centre(lat, lon);
 439                         mapAccuracy = accuracy;
 440                 }
 441         }
 442
 443         public String tab_name() { return "offmap"; }
 444
 445         public void show(AltosState state, AltosGreatCircle from_receiver, Location receiver) {
 446                 if (from_receiver != null) {
 447                         mBearingView.setText(String.format("%3.0f°", from_receiver.bearing));
 448                         set_value(mDistanceView, AltosConvert.distance, 6, from_receiver.distance);
 449                 }
 450
 451                 if (state != null) {
 452                         map.show(state, null);
 453                         if (state.gps != null) {
 454                                 mTargetLatitudeView.setText(AltosDroid.pos(state.gps.lat, "N", "S"));
 455                                 mTargetLongitudeView.setText(AltosDroid.pos(state.gps.lon, "E", "W"));
 456                                 if (state.gps.locked && state.gps.nsat >= 4)
 457                                         center (state.gps.lat, state.gps.lon, 10);
 458                         }
 459                 }
 460
 461                 if (receiver != null) {
 462                         double accuracy;
 463
 464                         if (receiver.hasAccuracy())
 465                                 accuracy = receiver.getAccuracy();
 466                         else
 467                                 accuracy = 1000;
 468                         mReceiverLatitudeView.setText(AltosDroid.pos(receiver.getLatitude(), "N", "S"));
 469                         mReceiverLongitudeView.setText(AltosDroid.pos(receiver.getLongitude(), "E", "W"));
 470                         center (receiver.getLatitude(), receiver.getLongitude(), accuracy);
 471                 }
 472
 473         }
 474
 475         public TabMapOffline() {
 476         }
 477 }