1package eu.siacs.conversations.utils;
2
3import android.app.Activity;
4import android.content.Context;
5import android.content.Intent;
6import android.content.SharedPreferences;
7import android.net.Uri;
8import android.preference.PreferenceManager;
9
10import java.io.UnsupportedEncodingException;
11import java.net.URLEncoder;
12import java.util.ArrayList;
13import java.util.regex.Matcher;
14import java.util.regex.Pattern;
15
16import eu.siacs.conversations.R;
17import eu.siacs.conversations.entities.Contact;
18import eu.siacs.conversations.entities.Conversation;
19import eu.siacs.conversations.entities.Conversational;
20import eu.siacs.conversations.entities.Message;
21import eu.siacs.conversations.ui.ShareLocationActivity;
22import eu.siacs.conversations.ui.ShowLocationActivity;
23
24public class GeoHelper {
25
26 private static final String SHARE_LOCATION_PACKAGE_NAME = "eu.siacs.conversations.location.request";
27 private static final String SHOW_LOCATION_PACKAGE_NAME = "eu.siacs.conversations.location.show";
28
29 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])+)*", Pattern.CASE_INSENSITIVE);
30
31 public static boolean isLocationPluginInstalled(Context context) {
32 return new Intent(SHARE_LOCATION_PACKAGE_NAME).resolveActivity(context.getPackageManager()) != null;
33 }
34
35 public static boolean isLocationPluginInstalledAndDesired(Context context) {
36 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
37 final boolean configured = preferences.getBoolean("use_share_location_plugin", context.getResources().getBoolean(R.bool.use_share_location_plugin));
38 return configured && isLocationPluginInstalled(context);
39 }
40
41 public static Intent getFetchIntent(Context context) {
42 if (isLocationPluginInstalledAndDesired(context)) {
43 return new Intent(SHARE_LOCATION_PACKAGE_NAME);
44 } else {
45 return new Intent(context, ShareLocationActivity.class);
46 }
47 }
48
49 public static ArrayList<Intent> createGeoIntentsFromMessage(Context context, Message message) {
50 final ArrayList<Intent> intents = new ArrayList<>();
51 Matcher matcher = GEO_URI.matcher(message.getBody());
52 if (!matcher.matches()) {
53 return intents;
54 }
55 double latitude;
56 double longitude;
57 try {
58 latitude = Double.parseDouble(matcher.group(1));
59 if (latitude > 90.0 || latitude < -90.0) {
60 return intents;
61 }
62 longitude = Double.parseDouble(matcher.group(2));
63 if (longitude > 180.0 || longitude < -180.0) {
64 return intents;
65 }
66 } catch (NumberFormatException nfe) {
67 return intents;
68 }
69 final Conversational conversation = message.getConversation();
70 String label;
71 if (conversation instanceof Conversation && conversation.getMode() == Conversation.MODE_SINGLE && message.getStatus() == Message.STATUS_RECEIVED) {
72 try {
73 label = "(" + URLEncoder.encode(((Conversation)conversation).getName().toString(), "UTF-8") + ")";
74 } catch (UnsupportedEncodingException e) {
75 label = "";
76 }
77 } else {
78 label = "";
79 }
80
81 if (isLocationPluginInstalledAndDesired(context)) {
82 Intent locationPluginIntent = new Intent(SHOW_LOCATION_PACKAGE_NAME);
83 locationPluginIntent.putExtra("latitude", latitude);
84 locationPluginIntent.putExtra("longitude", longitude);
85 if (message.getStatus() != Message.STATUS_RECEIVED) {
86 locationPluginIntent.putExtra("jid", conversation.getAccount().getJid().toString());
87 locationPluginIntent.putExtra("name", conversation.getAccount().getJid().getLocal());
88 } else {
89 Contact contact = message.getContact();
90 if (contact != null) {
91 locationPluginIntent.putExtra("name", contact.getDisplayName());
92 locationPluginIntent.putExtra("jid", contact.getJid().toString());
93 } else {
94 locationPluginIntent.putExtra("name", UIHelper.getDisplayedMucCounterpart(message.getCounterpart()));
95 }
96 }
97 intents.add(locationPluginIntent);
98 } else {
99 Intent intent = new Intent(context, ShowLocationActivity.class);
100 intent.setAction(SHOW_LOCATION_PACKAGE_NAME);
101 intent.putExtra("latitude", latitude);
102 intent.putExtra("longitude", longitude);
103 intents.add(intent);
104 }
105
106 Intent geoIntent = new Intent(Intent.ACTION_VIEW);
107 geoIntent.setData(Uri.parse("geo:" + String.valueOf(latitude) + "," + String.valueOf(longitude) + "?q=" + String.valueOf(latitude) + "," + String.valueOf(longitude) + label));
108 intents.add(geoIntent);
109
110 Intent httpIntent = new Intent(Intent.ACTION_VIEW);
111 httpIntent.setData(Uri.parse("https://maps.google.com/maps?q=loc:"+String.valueOf(latitude) + "," + String.valueOf(longitude) +label));
112 intents.add(httpIntent);
113 return intents;
114 }
115}