OruxMapsApp.java

package cgeo.geocaching.apps.navi;

import cgeo.geocaching.R;
import cgeo.geocaching.location.Geopoint;
import cgeo.geocaching.models.Geocache;
import cgeo.geocaching.models.Waypoint;

import android.content.Context;
import android.content.Intent;
import android.support.annotation.NonNull;
import android.support.annotation.StringRes;

abstract class OruxMapsApp extends AbstractPointNavigationApp {

    private static final String ORUXMAPS_EXTRA_LONGITUDE = "targetLon";
    private static final String ORUXMAPS_EXTRA_LATITUDE = "targetLat";
    private static final String ORUXMAPS_EXTRA_NAME = "targetName";
    private static final String INTENT_ONLINE = "com.oruxmaps.VIEW_MAP_ONLINE";
    private static final String INTENT_OFFLINE = "com.oruxmaps.VIEW_MAP_OFFLINE";

    private OruxMapsApp(@StringRes final int nameResourceId, final String intent) {
        super(getString(nameResourceId), intent);
    }

    private void navigate(@NonNull final Context context, @NonNull final Geopoint point, @NonNull final String name) {
        final Intent intent = new Intent(this.intent);
        final double[] targetLat = { point.getLatitude() };
        final double[] targetLon = { point.getLongitude() };
        intent.putExtra(ORUXMAPS_EXTRA_LATITUDE, targetLat); //latitude, wgs84 datum
        intent.putExtra(ORUXMAPS_EXTRA_LONGITUDE, targetLon); //longitude, wgs84 datum
        if (!name.isEmpty()) {
            final String[] targetName = { name };
            intent.putExtra(ORUXMAPS_EXTRA_NAME, targetName);
        }

        context.startActivity(intent);
    }

    @Override
    public void navigate(@NonNull final Context context, @NonNull final Geopoint point) {
        navigate(context, point, "Waypoint");
    }

    @Override
    public void navigate(@NonNull final Context context, @NonNull final Geocache cache) {
        final Geopoint coords = cache.getCoords();
        assert coords != null; // guaranteed by caller
        navigate(context, coords, cache.getName());
    }

    @Override
    public void navigate(@NonNull final Context context, @NonNull final Waypoint waypoint) {
        final Geopoint coords = waypoint.getCoords();
        assert coords != null; // guaranteed by caller
        navigate(context, coords, waypoint.getName());
    }

    static class OruxOnlineMapApp extends OruxMapsApp {
        OruxOnlineMapApp() {
            super(R.string.cache_menu_oruxmaps_online, INTENT_ONLINE);
        }
    }

    static class OruxOfflineMapApp extends OruxMapsApp {
        OruxOfflineMapApp() {
            super(R.string.cache_menu_oruxmaps_offline, INTENT_OFFLINE);
        }
    }
}