1package eu.siacs.conversations.utils;
2
3import android.content.Context;
4import android.content.Intent;
5import android.content.SharedPreferences;
6import android.net.Uri;
7import android.preference.PreferenceManager;
8import eu.siacs.conversations.R;
9import eu.siacs.conversations.entities.Contact;
10import eu.siacs.conversations.entities.Conversational;
11import eu.siacs.conversations.entities.Message;
12import eu.siacs.conversations.ui.ShareLocationActivity;
13import eu.siacs.conversations.ui.ShowLocationActivity;
14import java.io.UnsupportedEncodingException;
15import java.net.URLEncoder;
16import java.util.ArrayList;
17import java.util.regex.Matcher;
18import org.osmdroid.util.GeoPoint;
19
20public class GeoHelper {
21
22 private static final String SHARE_LOCATION_PACKAGE_NAME =
23 "eu.siacs.conversations.location.request";
24 private static final String SHOW_LOCATION_PACKAGE_NAME = "eu.siacs.conversations.location.show";
25
26 public static boolean isLocationPluginInstalled(Context context) {
27 return new Intent(SHARE_LOCATION_PACKAGE_NAME).resolveActivity(context.getPackageManager())
28 != null;
29 }
30
31 public static boolean isLocationPluginInstalledAndDesired(Context context) {
32 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
33 final boolean configured =
34 preferences.getBoolean(
35 "use_share_location_plugin",
36 context.getResources().getBoolean(R.bool.use_share_location_plugin));
37 return configured && isLocationPluginInstalled(context);
38 }
39
40 public static Intent getFetchIntent(Context context) {
41 if (isLocationPluginInstalledAndDesired(context)) {
42 return new Intent(SHARE_LOCATION_PACKAGE_NAME);
43 } else {
44 return new Intent(context, ShareLocationActivity.class);
45 }
46 }
47
48 public static GeoPoint parseGeoPoint(final Uri uri) {
49 return parseGeoPoint(uri.toString());
50 }
51
52 private static GeoPoint parseGeoPoint(String body) throws IllegalArgumentException {
53 final Matcher matcher = Patterns.URI_GEO.matcher(body);
54 if (!matcher.matches()) {
55 throw new IllegalArgumentException("Invalid geo uri");
56 }
57 final double latitude;
58 final double longitude;
59 try {
60 latitude = Double.parseDouble(matcher.group(1));
61 if (latitude > 90.0 || latitude < -90.0) {
62 throw new IllegalArgumentException("Invalid geo uri");
63 }
64 longitude = Double.parseDouble(matcher.group(2));
65 if (longitude > 180.0 || longitude < -180.0) {
66 throw new IllegalArgumentException("Invalid geo uri");
67 }
68 } catch (final NumberFormatException e) {
69 throw new IllegalArgumentException("Invalid geo uri", e);
70 }
71 return new GeoPoint(latitude, longitude);
72 }
73
74 public static ArrayList<Intent> createGeoIntentsFromMessage(Context context, Message message) {
75 final ArrayList<Intent> intents = new ArrayList<>();
76 final GeoPoint geoPoint;
77 try {
78 geoPoint = parseGeoPoint(message.getBody());
79 } catch (IllegalArgumentException e) {
80 return intents;
81 }
82 final Conversational conversation = message.getConversation();
83 final String label = getLabel(context, message);
84
85 if (isLocationPluginInstalledAndDesired(context)) {
86 Intent locationPluginIntent = new Intent(SHOW_LOCATION_PACKAGE_NAME);
87 locationPluginIntent.putExtra("latitude", geoPoint.getLatitude());
88 locationPluginIntent.putExtra("longitude", geoPoint.getLongitude());
89 if (message.getStatus() != Message.STATUS_RECEIVED) {
90 locationPluginIntent.putExtra("jid", conversation.getAccount().getJid().toString());
91 locationPluginIntent.putExtra(
92 "name", conversation.getAccount().getJid().getLocal());
93 } else {
94 Contact contact = message.getContact();
95 if (contact != null) {
96 locationPluginIntent.putExtra("name", contact.getDisplayName());
97 locationPluginIntent.putExtra("jid", contact.getJid().toString());
98 } else {
99 locationPluginIntent.putExtra(
100 "name", UIHelper.getDisplayedMucCounterpart(message.getCounterpart()));
101 }
102 }
103 intents.add(locationPluginIntent);
104 } else {
105 Intent intent = new Intent(context, ShowLocationActivity.class);
106 intent.setAction(SHOW_LOCATION_PACKAGE_NAME);
107 intent.putExtra("latitude", geoPoint.getLatitude());
108 intent.putExtra("longitude", geoPoint.getLongitude());
109 intents.add(intent);
110 }
111
112 intents.add(geoIntent(geoPoint, label));
113
114 Intent httpIntent = new Intent(Intent.ACTION_VIEW);
115 httpIntent.setData(
116 Uri.parse(
117 "https://maps.google.com/maps?q=loc:"
118 + geoPoint.getLatitude()
119 + ","
120 + geoPoint.getLongitude()
121 + label));
122 intents.add(httpIntent);
123 return intents;
124 }
125
126 public static void view(Context context, Message message) {
127 final GeoPoint geoPoint = parseGeoPoint(message.getBody());
128 final String label = getLabel(context, message);
129 context.startActivity(geoIntent(geoPoint, label));
130 }
131
132 private static Intent geoIntent(GeoPoint geoPoint, String label) {
133 Intent geoIntent = new Intent(Intent.ACTION_VIEW);
134 geoIntent.setData(
135 Uri.parse(
136 "geo:"
137 + geoPoint.getLatitude()
138 + ","
139 + geoPoint.getLongitude()
140 + "?q="
141 + geoPoint.getLatitude()
142 + ","
143 + geoPoint.getLongitude()
144 + "("
145 + label
146 + ")"));
147 return geoIntent;
148 }
149
150 public static boolean openInOsmAnd(Context context, Message message) {
151 try {
152 final GeoPoint geoPoint = parseGeoPoint(message.getBody());
153 final String label = getLabel(context, message);
154 return geoIntent(geoPoint, label).resolveActivity(context.getPackageManager()) != null;
155 } catch (IllegalArgumentException e) {
156 return false;
157 }
158 }
159
160 private static String getLabel(Context context, Message message) {
161 if (message.getStatus() == Message.STATUS_RECEIVED) {
162 try {
163 return URLEncoder.encode(UIHelper.getMessageDisplayName(message), "UTF-8");
164 } catch (UnsupportedEncodingException e) {
165 throw new AssertionError(e);
166 }
167 } else {
168 return context.getString(R.string.me);
169 }
170 }
171}