@Override
public void onInfoWindowClick(Marker marker) {
/* tell main activity to show takeoff details */
Pair<Marker, Takeoff> pair = markers.get(marker.getId());
if (pair != null) {
Takeoff takeoff = pair.second;
Bundle args = new Bundle();
args.putParcelable(TakeoffDetails.ARG_TAKEOFF, takeoff);
((FlyWithMeActivity) getActivity())
.showFragment("takeoffDetails," + takeoff.getId(), TakeoffDetails.class, args);
} else {
Log.w(getClass().getName(), "Strange, could not find takeoff for marker");
}
}
@Override
protected Runnable doInBackground(CameraPosition... cameraPositions) {
try {
final Map<Takeoff, MarkerOptions> addMarkers = new HashMap<>();
SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity());
if (sharedPref.getBoolean("pref_map_show_takeoffs", true)) {
LatLng latLng = cameraPositions[0].target;
Location mapLocation = new Location(LocationManager.PASSIVE_PROVIDER);
mapLocation.setLatitude(latLng.latitude);
mapLocation.setLongitude(latLng.longitude);
/* get the 25 nearest takeoffs */
List<Takeoff> takeoffs =
Database.getTakeoffs(
getActivity(), latLng.latitude, latLng.longitude, 25, false, true);
/* add markers */
for (Takeoff takeoff : takeoffs) {
Bitmap bitmap =
Bitmap.createBitmap(
markerBitmap.getWidth(), markerBitmap.getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
Paint paint = new Paint();
if (!takeoff.isFavourite()) paint.setAlpha(123);
canvas.drawBitmap(markerBitmap, 0, 0, paint);
if (takeoff.hasNorthExit()) canvas.drawBitmap(markerNorthBitmap, 0, 0, paint);
if (takeoff.hasNortheastExit()) canvas.drawBitmap(markerNortheastBitmap, 0, 0, paint);
if (takeoff.hasEastExit()) canvas.drawBitmap(markerEastBitmap, 0, 0, paint);
if (takeoff.hasSoutheastExit()) canvas.drawBitmap(markerSoutheastBitmap, 0, 0, paint);
if (takeoff.hasSouthExit()) canvas.drawBitmap(markerSouthBitmap, 0, 0, paint);
if (takeoff.hasSouthwestExit()) canvas.drawBitmap(markerSouthwestBitmap, 0, 0, paint);
if (takeoff.hasWestExit()) canvas.drawBitmap(markerWestBitmap, 0, 0, paint);
if (takeoff.hasNorthwestExit()) canvas.drawBitmap(markerNorthwestBitmap, 0, 0, paint);
if (takeoff.getPilotsToday() > 0) canvas.drawBitmap(markerExclamation, 0, 0, paint);
else if (takeoff.getPilotsLater() > 0)
canvas.drawBitmap(markerExclamationYellow, 0, 0, paint);
String snippet =
getString(R.string.height)
+ ": "
+ takeoff.getHeight()
+ "m\n"
+ getString(R.string.distance)
+ ": "
+ (int) mapLocation.distanceTo(takeoff.getLocation()) / 1000
+ "km";
MarkerOptions markerOptions =
new MarkerOptions()
.position(
new LatLng(
takeoff.getLocation().getLatitude(),
takeoff.getLocation().getLongitude()))
.title(takeoff.getName())
.snippet(snippet)
.icon(BitmapDescriptorFactory.fromBitmap(bitmap))
.anchor(0.5f, 0.875f);
addMarkers.put(takeoff, markerOptions);
}
}
/* remove markers that we didn't "add" */
return new Runnable() {
@Override
public void run() {
// remove markers that no longer should be visible
for (Iterator<Map.Entry<String, Pair<Marker, Takeoff>>> iterator =
markers.entrySet().iterator();
iterator.hasNext(); ) {
Map.Entry<String, Pair<Marker, Takeoff>> entry = iterator.next();
if (!addMarkers.containsKey(entry.getValue().second)) {
entry.getValue().first.remove();
iterator.remove();
}
}
// add markers that should be visible
for (Map.Entry<Takeoff, MarkerOptions> addEntry : addMarkers.entrySet()) {
boolean alreadyShown = false;
for (Map.Entry<String, Pair<Marker, Takeoff>> entry : markers.entrySet()) {
if (addEntry.getKey().equals(entry.getValue().second)) {
alreadyShown = true;
break;
}
}
if (!alreadyShown) {
Marker marker = map.addMarker(addEntry.getValue());
Pair<Marker, Takeoff> pair = new Pair<>(marker, addEntry.getKey());
markers.put(marker.getId(), pair);
}
}
}
};
} catch (Exception e) {
Log.w(getClass().getName(), "doInBackground() failed unexpectedly", e);
}
return null;
}