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 de.gultsch.common.Patterns;
9import eu.siacs.conversations.R;
10import eu.siacs.conversations.entities.Contact;
11import eu.siacs.conversations.entities.Conversational;
12import eu.siacs.conversations.entities.Message;
13import eu.siacs.conversations.ui.ShareLocationActivity;
14import eu.siacs.conversations.ui.ShowLocationActivity;
15import java.io.UnsupportedEncodingException;
16import java.net.URLEncoder;
17import java.util.ArrayList;
18import java.util.regex.Matcher;
19import org.osmdroid.util.GeoPoint;
20
21public class GeoHelper {
22
23 private static final String SHARE_LOCATION_PACKAGE_NAME =
24 "eu.siacs.conversations.location.request";
25 private static final String SHOW_LOCATION_PACKAGE_NAME = "eu.siacs.conversations.location.show";
26
27 public static boolean isLocationPluginInstalled(Context context) {
28 return new Intent(SHARE_LOCATION_PACKAGE_NAME).resolveActivity(context.getPackageManager())
29 != null;
30 }
31
32 public static boolean isLocationPluginInstalledAndDesired(Context context) {
33 SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
34 final boolean configured =
35 preferences.getBoolean(
36 "use_share_location_plugin",
37 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 GeoPoint parseGeoPoint(final Uri uri) {
50 return parseGeoPoint(uri.toString());
51 }
52
53 private static GeoPoint parseGeoPoint(String body) throws IllegalArgumentException {
54 final Matcher matcher = Patterns.URI_GEO.matcher(body);
55 if (!matcher.matches()) {
56 throw new IllegalArgumentException("Invalid geo uri");
57 }
58 final double latitude;
59 final double longitude;
60 try {
61 latitude = Double.parseDouble(matcher.group(1));
62 if (latitude > 90.0 || latitude < -90.0) {
63 throw new IllegalArgumentException("Invalid geo uri");
64 }
65 longitude = Double.parseDouble(matcher.group(2));
66 if (longitude > 180.0 || longitude < -180.0) {
67 throw new IllegalArgumentException("Invalid geo uri");
68 }
69 } catch (final NumberFormatException e) {
70 throw new IllegalArgumentException("Invalid geo uri", e);
71 }
72 return new GeoPoint(latitude, longitude);
73 }
74
75 public static ArrayList<Intent> createGeoIntentsFromMessage(Context context, Message message) {
76 final ArrayList<Intent> intents = new ArrayList<>();
77 final GeoPoint geoPoint;
78 try {
79 geoPoint = parseGeoPoint(message.getRawBody());
80 } catch (IllegalArgumentException e) {
81 return intents;
82 }
83 final Conversational conversation = message.getConversation();
84 final String label = getLabel(context, message);
85
86 if (isLocationPluginInstalledAndDesired(context)) {
87 Intent locationPluginIntent = new Intent(SHOW_LOCATION_PACKAGE_NAME);
88 locationPluginIntent.putExtra("latitude", geoPoint.getLatitude());
89 locationPluginIntent.putExtra("longitude", geoPoint.getLongitude());
90 if (message.getStatus() != Message.STATUS_RECEIVED) {
91 locationPluginIntent.putExtra("jid", conversation.getAccount().getJid().toString());
92 locationPluginIntent.putExtra(
93 "name", conversation.getAccount().getJid().getLocal());
94 } else {
95 Contact contact = message.getContact();
96 if (contact != null) {
97 locationPluginIntent.putExtra("name", contact.getDisplayName());
98 locationPluginIntent.putExtra("jid", contact.getJid().toString());
99 } else {
100 locationPluginIntent.putExtra(
101 "name", UIHelper.getDisplayedMucCounterpart(message.getCounterpart()));
102 }
103 }
104 intents.add(locationPluginIntent);
105 } else {
106 Intent intent = new Intent(context, ShowLocationActivity.class);
107 intent.setAction(SHOW_LOCATION_PACKAGE_NAME);
108 intent.putExtra("latitude", geoPoint.getLatitude());
109 intent.putExtra("longitude", geoPoint.getLongitude());
110 intents.add(intent);
111 }
112
113 intents.add(geoIntent(geoPoint, label));
114
115 Intent httpIntent = new Intent(Intent.ACTION_VIEW);
116 httpIntent.setData(
117 Uri.parse(
118 "https://maps.google.com/maps?q=loc:"
119 + geoPoint.getLatitude()
120 + ","
121 + geoPoint.getLongitude()
122 + label));
123 intents.add(httpIntent);
124 return intents;
125 }
126
127 public static void view(Context context, Message message) {
128 final GeoPoint geoPoint = parseGeoPoint(message.getRawBody());
129 final String label = getLabel(context, message);
130 context.startActivity(geoIntent(geoPoint, label));
131 }
132
133 private static Intent geoIntent(GeoPoint geoPoint, String label) {
134 Intent geoIntent = new Intent(Intent.ACTION_VIEW);
135 geoIntent.setData(
136 Uri.parse(
137 "geo:"
138 + geoPoint.getLatitude()
139 + ","
140 + geoPoint.getLongitude()
141 + "?q="
142 + geoPoint.getLatitude()
143 + ","
144 + geoPoint.getLongitude()
145 + "("
146 + label
147 + ")"));
148 return geoIntent;
149 }
150
151 public static boolean openInOsmAnd(Context context, Message message) {
152 try {
153 final GeoPoint geoPoint = parseGeoPoint(message.getRawBody());
154 final String label = getLabel(context, message);
155 return geoIntent(geoPoint, label).resolveActivity(context.getPackageManager()) != null;
156 } catch (IllegalArgumentException e) {
157 return false;
158 }
159 }
160
161 private static String getLabel(Context context, Message message) {
162 if (message.getStatus() == Message.STATUS_RECEIVED) {
163 try {
164 return URLEncoder.encode(UIHelper.getMessageDisplayName(message), "UTF-8");
165 } catch (UnsupportedEncodingException e) {
166 throw new AssertionError(e);
167 }
168 } else {
169 return context.getString(R.string.me);
170 }
171 }
172}