conversations-classic/src/main/java/eu/siacs/conversations/utils/GeoHelper.java
2019-12-30 00:23:44 +01:00

149 lines
5.8 KiB
Java

package eu.siacs.conversations.utils;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.net.Uri;
import android.preference.PreferenceManager;
import org.osmdroid.util.GeoPoint;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import eu.siacs.conversations.R;
import eu.siacs.conversations.entities.Contact;
import eu.siacs.conversations.entities.Conversational;
import eu.siacs.conversations.entities.Message;
import eu.siacs.conversations.ui.ShareLocationActivity;
import eu.siacs.conversations.ui.ShowLocationActivity;
public class GeoHelper {
private static final String SHARE_LOCATION_PACKAGE_NAME = "eu.siacs.conversations.location.request";
private static final String SHOW_LOCATION_PACKAGE_NAME = "eu.siacs.conversations.location.show";
public static Pattern GEO_URI = Pattern.compile("geo:(-?\\d+(?:\\.\\d+)?),(-?\\d+(?:\\.\\d+)?)(?:,-?\\d+(?:\\.\\d+)?)?(?:;crs=[\\w-]+)?(?:;u=\\d+(?:\\.\\d+)?)?(?:;[\\w-]+=(?:[\\w-_.!~*'()]|%[\\da-f][\\da-f])+)*(\\?z=\\d+)?", Pattern.CASE_INSENSITIVE);
public static boolean isLocationPluginInstalled(Context context) {
return new Intent(SHARE_LOCATION_PACKAGE_NAME).resolveActivity(context.getPackageManager()) != null;
}
public static boolean isLocationPluginInstalledAndDesired(Context context) {
SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
final boolean configured = preferences.getBoolean("use_share_location_plugin", context.getResources().getBoolean(R.bool.use_share_location_plugin));
return configured && isLocationPluginInstalled(context);
}
public static Intent getFetchIntent(Context context) {
if (isLocationPluginInstalledAndDesired(context)) {
return new Intent(SHARE_LOCATION_PACKAGE_NAME);
} else {
return new Intent(context, ShareLocationActivity.class);
}
}
private static GeoPoint parseGeoPoint(String body) throws IllegalArgumentException {
Matcher matcher = GEO_URI.matcher(body);
if (!matcher.matches()) {
throw new IllegalArgumentException("Invalid geo uri");
}
double latitude;
double longitude;
try {
latitude = Double.parseDouble(matcher.group(1));
if (latitude > 90.0 || latitude < -90.0) {
throw new IllegalArgumentException("Invalid geo uri");
}
longitude = Double.parseDouble(matcher.group(2));
if (longitude > 180.0 || longitude < -180.0) {
throw new IllegalArgumentException("Invalid geo uri");
}
} catch (NumberFormatException e) {
throw new IllegalArgumentException("Invalid geo uri",e);
}
return new GeoPoint(latitude, longitude);
}
public static ArrayList<Intent> createGeoIntentsFromMessage(Context context, Message message) {
final ArrayList<Intent> intents = new ArrayList<>();
final GeoPoint geoPoint;
try {
geoPoint = parseGeoPoint(message.getBody());
} catch (IllegalArgumentException e) {
return intents;
}
final Conversational conversation = message.getConversation();
final String label = getLabel(context, message);
if (isLocationPluginInstalledAndDesired(context)) {
Intent locationPluginIntent = new Intent(SHOW_LOCATION_PACKAGE_NAME);
locationPluginIntent.putExtra("latitude", geoPoint.getLatitude());
locationPluginIntent.putExtra("longitude", geoPoint.getLongitude());
if (message.getStatus() != Message.STATUS_RECEIVED) {
locationPluginIntent.putExtra("jid", conversation.getAccount().getJid().toString());
locationPluginIntent.putExtra("name", conversation.getAccount().getJid().getLocal());
} else {
Contact contact = message.getContact();
if (contact != null) {
locationPluginIntent.putExtra("name", contact.getDisplayName());
locationPluginIntent.putExtra("jid", contact.getJid().toString());
} else {
locationPluginIntent.putExtra("name", UIHelper.getDisplayedMucCounterpart(message.getCounterpart()));
}
}
intents.add(locationPluginIntent);
} else {
Intent intent = new Intent(context, ShowLocationActivity.class);
intent.setAction(SHOW_LOCATION_PACKAGE_NAME);
intent.putExtra("latitude", geoPoint.getLatitude());
intent.putExtra("longitude", geoPoint.getLongitude());
intents.add(intent);
}
intents.add(geoIntent(geoPoint, label));
Intent httpIntent = new Intent(Intent.ACTION_VIEW);
httpIntent.setData(Uri.parse("https://maps.google.com/maps?q=loc:"+String.valueOf(geoPoint.getLatitude()) + "," + String.valueOf(geoPoint.getLongitude()) +label));
intents.add(httpIntent);
return intents;
}
public static void view(Context context, Message message) {
final GeoPoint geoPoint = parseGeoPoint(message.getBody());
final String label = getLabel(context, message);
context.startActivity(geoIntent(geoPoint,label));
}
private static Intent geoIntent(GeoPoint geoPoint, String label) {
Intent geoIntent = new Intent(Intent.ACTION_VIEW);
geoIntent.setData(Uri.parse("geo:" + String.valueOf(geoPoint.getLatitude()) + "," + String.valueOf(geoPoint.getLongitude()) + "?q=" + String.valueOf(geoPoint.getLatitude()) + "," + String.valueOf(geoPoint.getLongitude()) + "("+ label+")"));
return geoIntent;
}
public static boolean openInOsmAnd(Context context, Message message) {
try {
final GeoPoint geoPoint = parseGeoPoint(message.getBody());
final String label = getLabel(context, message);
return geoIntent(geoPoint, label).resolveActivity(context.getPackageManager()) != null;
} catch (IllegalArgumentException e) {
return false;
}
}
private static String getLabel(Context context, Message message) {
if(message.getStatus() == Message.STATUS_RECEIVED) {
try {
return URLEncoder.encode(UIHelper.getMessageDisplayName(message),"UTF-8");
} catch (UnsupportedEncodingException e) {
throw new AssertionError(e);
}
} else {
return context.getString(R.string.me);
}
}
}