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