git.gag.com Git - fw/altos/blob - altosdroid/src/org/altusmetrum/AltosDroid/AltosMapOnline.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
  22 import org.altusmetrum.altoslib_7.*;
  23
  24 import com.google.android.gms.maps.CameraUpdateFactory;
  25 import com.google.android.gms.maps.GoogleMap;
  26 import com.google.android.gms.maps.SupportMapFragment;
  27 import com.google.android.gms.maps.model.BitmapDescriptorFactory;
  28 import com.google.android.gms.maps.model.LatLng;
  29 import com.google.android.gms.maps.model.Marker;
  30 import com.google.android.gms.maps.model.MarkerOptions;
  31 import com.google.android.gms.maps.model.Polyline;
  32 import com.google.android.gms.maps.model.PolylineOptions;
  33
  34 import android.app.Activity;
  35 import android.graphics.Color;
  36 import android.graphics.*;
  37 import android.os.Bundle;
  38 import android.support.v4.app.Fragment;
  39 //import android.support.v4.app.FragmentTransaction;
  40 import android.view.LayoutInflater;
  41 import android.view.View;
  42 import android.view.ViewGroup;
  43 import android.widget.TextView;
  44 import android.location.Location;
  45 import android.content.*;
  46
  47 class RocketOnline implements Comparable {
  48         Marker          marker;
  49         int             serial;
  50         long            last_packet;
  51
  52         void set_position(AltosLatLon position, long last_packet) {
  53                 marker.setPosition(new LatLng(position.lat, position.lon));
  54                 this.last_packet = last_packet;
  55         }
  56
  57         private Bitmap rocket_bitmap(Context context, String text) {
  58
  59                 /* From: http://mapicons.nicolasmollet.com/markers/industry/military/missile-2/
  60                  */
  61                 Bitmap orig_bitmap = BitmapFactory.decodeResource(context.getResources(), R.drawable.rocket);
  62                 Bitmap bitmap = orig_bitmap.copy(Bitmap.Config.ARGB_8888, true);
  63
  64                 Canvas canvas = new Canvas(bitmap);
  65                 Paint paint = new Paint();
  66                 paint.setTextSize(40);
  67                 paint.setColor(0xff000000);
  68
  69                 Rect    bounds = new Rect();
  70                 paint.getTextBounds(text, 0, text.length(), bounds);
  71
  72                 int     width = bounds.right - bounds.left;
  73                 int     height = bounds.bottom - bounds.top;
  74
  75                 float x = bitmap.getWidth() / 2.0f - width / 2.0f;
  76                 float y = bitmap.getHeight() / 2.0f - height / 2.0f;
  77
  78                 canvas.drawText(text, 0, text.length(), x, y, paint);
  79                 return bitmap;
  80         }
  81
  82         public void remove() {
  83                 marker.remove();
  84         }
  85
  86         public int compareTo(Object o) {
  87                 RocketOnline other = (RocketOnline) o;
  88
  89                 long    diff = last_packet - other.last_packet;
  90
  91                 if (diff > 0)
  92                         return 1;
  93                 if (diff < 0)
  94                         return -1;
  95                 return 0;
  96         }
  97
  98         RocketOnline(Context context, int serial, GoogleMap map, double lat, double lon, long last_packet) {
  99                 this.serial = serial;
 100                 String name = String.format("%d", serial);
 101                 this.marker = map.addMarker(new MarkerOptions()
 102                                             .icon(BitmapDescriptorFactory.fromBitmap(rocket_bitmap(context, name)))
 103                                             .position(new LatLng(lat, lon))
 104                                             .visible(true));
 105                 this.last_packet = last_packet;
 106         }
 107 }
 108
 109 public class AltosMapOnline implements AltosDroidMapInterface, GoogleMap.OnMarkerClickListener {
 110         public SupportMapFragment mMapFragment;
 111         private GoogleMap mMap;
 112         private boolean mapLoaded = false;
 113         Context context;
 114
 115         private HashMap<Integer,RocketOnline> rockets = new HashMap<Integer,RocketOnline>();
 116         private Marker mPadMarker;
 117         private boolean pad_set;
 118         private Polyline mPolyline;
 119
 120         private View map_view;
 121
 122         private double mapAccuracy = -1;
 123
 124         private AltosLatLon my_position = null;
 125         private AltosLatLon target_position = null;
 126
 127         private AltosDroid altos_droid;
 128
 129         public void onCreateView(AltosDroid altos_droid) {
 130                 this.altos_droid = altos_droid;
 131                 final int map_type = altos_droid.map_type;
 132                 mMapFragment = new SupportMapFragment() {
 133                         @Override
 134                         public void onActivityCreated(Bundle savedInstanceState) {
 135                                 super.onActivityCreated(savedInstanceState);
 136                                 setupMap(map_type);
 137                         }
 138                         @Override
 139                         public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
 140                                 map_view = super.onCreateView(inflater, container, savedInstanceState);
 141                                 return map_view;
 142                         }
 143                         @Override
 144                         public void onDestroyView() {
 145                                 super.onDestroyView();
 146                                 map_view = null;
 147                         }
 148                 };
 149         }
 150
 151 //      public void onActivityCreated() {
 152 //              getChildFragmentManager().beginTransaction().add(R.id.map, mMapFragment).commit();
 153 //      }
 154
 155         public boolean onMarkerClick(Marker marker) {
 156                 for (RocketOnline rocket : rockets.values()) {
 157                         if (rocket.marker.equals(marker)) {
 158                                 altos_droid.select_tracker(rocket.serial);
 159                                 return true;
 160                         }
 161                 }
 162                 return false;
 163         }
 164
 165         public void setupMap(int map_type) {
 166                 mMap = mMapFragment.getMap();
 167                 if (mMap != null) {
 168                         set_map_type(map_type);
 169                         mMap.setMyLocationEnabled(true);
 170                         mMap.getUiSettings().setTiltGesturesEnabled(false);
 171                         mMap.getUiSettings().setZoomControlsEnabled(false);
 172                         mMap.setOnMarkerClickListener(this);
 173
 174                         mPadMarker = mMap.addMarker(
 175                                         new MarkerOptions().icon(BitmapDescriptorFactory.fromResource(R.drawable.pad))
 176                                                            .position(new LatLng(0,0))
 177                                                            .visible(false)
 178                                         );
 179
 180                         mPolyline = mMap.addPolyline(
 181                                         new PolylineOptions().add(new LatLng(0,0), new LatLng(0,0))
 182                                                              .width(20)
 183                                                              .color(Color.BLUE)
 184                                                              .visible(false)
 185                                         );
 186
 187                         mapLoaded = true;
 188                 }
 189         }
 190
 191         public void center(double lat, double lon, double accuracy) {
 192                 if (mMap == null)
 193                         return;
 194
 195                 if (mapAccuracy < 0 || accuracy < mapAccuracy/10) {
 196                         mMap.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(lat, lon),14));
 197                         mapAccuracy = accuracy;
 198                 }
 199         }
 200
 201         private void set_rocket(int serial, AltosState state) {
 202                 RocketOnline    rocket;
 203
 204                 if (state.gps == null || state.gps.lat == AltosLib.MISSING)
 205                         return;
 206
 207                 if (mMap == null)
 208                         return;
 209
 210                 if (rockets.containsKey(serial)) {
 211                         rocket = rockets.get(serial);
 212                         rocket.set_position(new AltosLatLon(state.gps.lat, state.gps.lon), state.received_time);
 213                 } else {
 214                         rocket = new RocketOnline(context,
 215                                                   serial,
 216                                                   mMap, state.gps.lat, state.gps.lon,
 217                                                   state.received_time);
 218                         rockets.put(serial, rocket);
 219                 }
 220         }
 221
 222         private void remove_rocket(int serial) {
 223                 RocketOnline rocket = rockets.get(serial);
 224                 rocket.remove();
 225                 rockets.remove(serial);
 226         }
 227
 228         public void set_visible(boolean visible) {
 229                 if (map_view == null)
 230                         return;
 231                 if (visible)
 232                         map_view.setVisibility(View.VISIBLE);
 233                 else
 234                         map_view.setVisibility(View.GONE);
 235         }
 236
 237         public void show(TelemetryState telem_state, AltosState state, AltosGreatCircle from_receiver, Location receiver) {
 238
 239                 if (telem_state != null) {
 240                         for (int serial : rockets.keySet()) {
 241                                 if (!telem_state.states.containsKey(serial))
 242                                         remove_rocket(serial);
 243                         }
 244
 245                         for (int serial : telem_state.states.keySet()) {
 246                                 set_rocket(serial, telem_state.states.get(serial));
 247                         }
 248                 }
 249
 250                 if (state != null) {
 251                         if (mapLoaded) {
 252                                 if (!pad_set && state.pad_lat != AltosLib.MISSING) {
 253                                         pad_set = true;
 254                                         mPadMarker.setPosition(new LatLng(state.pad_lat, state.pad_lon));
 255                                         mPadMarker.setVisible(true);
 256                                 }
 257                         }
 258                         if (state.gps != null) {
 259
 260                                 target_position = new AltosLatLon(state.gps.lat, state.gps.lon);
 261                                 if (state.gps.locked && state.gps.nsat >= 4)
 262                                         center (state.gps.lat, state.gps.lon, 10);
 263                         }
 264                 }
 265
 266                 if (receiver != null) {
 267                         double accuracy;
 268
 269                         if (receiver.hasAccuracy())
 270                                 accuracy = receiver.getAccuracy();
 271                         else
 272                                 accuracy = 1000;
 273
 274                         my_position = new AltosLatLon(receiver.getLatitude(), receiver.getLongitude());
 275                         center (my_position.lat, my_position.lon, accuracy);
 276                 }
 277
 278                 if (my_position != null && target_position != null && mPolyline != null) {
 279                         mPolyline.setPoints(Arrays.asList(new LatLng(my_position.lat, my_position.lon), new LatLng(target_position.lat, target_position.lon)));
 280                         mPolyline.setVisible(true);
 281                 }
 282
 283         }
 284
 285         public void set_map_type(int map_type) {
 286                 if (mMap != null) {
 287                         if (map_type == AltosMap.maptype_hybrid)
 288                                 mMap.setMapType(GoogleMap.MAP_TYPE_HYBRID);
 289                         else if (map_type == AltosMap.maptype_satellite)
 290                                 mMap.setMapType(GoogleMap.MAP_TYPE_SATELLITE);
 291                         else if (map_type == AltosMap.maptype_terrain)
 292                                 mMap.setMapType(GoogleMap.MAP_TYPE_TERRAIN);
 293                         else
 294                                 mMap.setMapType(GoogleMap.MAP_TYPE_NORMAL);
 295                 }
 296         }
 297
 298         public AltosMapOnline(Context context) {
 299                 this.context = context;
 300         }
 301 }