1package eu.siacs.conversations.utils;
2
3import android.content.Context;
4import android.text.format.DateFormat;
5import android.text.format.DateUtils;
6import android.util.Pair;
7import android.widget.PopupMenu;
8
9import java.lang.reflect.Field;
10import java.lang.reflect.Method;
11import java.math.BigInteger;
12import java.security.MessageDigest;
13import java.util.Arrays;
14import java.util.Calendar;
15import java.util.Date;
16import java.util.List;
17import java.util.Locale;
18
19import eu.siacs.conversations.Config;
20import eu.siacs.conversations.R;
21import eu.siacs.conversations.crypto.axolotl.AxolotlService;
22import eu.siacs.conversations.entities.Contact;
23import eu.siacs.conversations.entities.Conversation;
24import eu.siacs.conversations.entities.ListItem;
25import eu.siacs.conversations.entities.Message;
26import eu.siacs.conversations.entities.MucOptions;
27import eu.siacs.conversations.entities.Presence;
28import eu.siacs.conversations.entities.Transferable;
29import rocks.xmpp.addr.Jid;
30
31public class UIHelper {
32
33 private static int[] UNSAFE_COLORS = {
34 0xFFF44336, //red 500
35 0xFFE53935, //red 600
36 0xFFD32F2F, //red 700
37 0xFFC62828, //red 800
38
39 0xFFEF6C00, //orange 800
40
41 0xFFF4511E, //deep orange 600
42 0xFFE64A19, //deep orange 700
43 0xFFD84315, //deep orange 800,
44 };
45
46 private static int[] SAFE_COLORS = {
47 0xFFE91E63, //pink 500
48 0xFFD81B60, //pink 600
49 0xFFC2185B, //pink 700
50 0xFFAD1457, //pink 800
51
52 0xFF9C27B0, //purple 500
53 0xFF8E24AA, //purple 600
54 0xFF7B1FA2, //purple 700
55 0xFF6A1B9A, //purple 800
56
57 0xFF673AB7, //deep purple 500,
58 0xFF5E35B1, //deep purple 600
59 0xFF512DA8, //deep purple 700
60 0xFF4527A0, //deep purple 800,
61
62 0xFF3F51B5, //indigo 500,
63 0xFF3949AB,//indigo 600
64 0xFF303F9F,//indigo 700
65 0xFF283593, //indigo 800
66
67 0xFF2196F3, //blue 500
68 0xFF1E88E5, //blue 600
69 0xFF1976D2, //blue 700
70 0xFF1565C0, //blue 800
71
72 0xFF03A9F4, //light blue 500
73 0xFF039BE5, //light blue 600
74 0xFF0288D1, //light blue 700
75 0xFF0277BD, //light blue 800
76
77 0xFF00BCD4, //cyan 500
78 0xFF00ACC1, //cyan 600
79 0xFF0097A7, //cyan 700
80 0xFF00838F, //cyan 800
81
82 0xFF009688, //teal 500,
83 0xFF00897B, //teal 600
84 0xFF00796B, //teal 700
85 0xFF00695C, //teal 800,
86
87 //0xFF558B2F, //light green 800
88
89 //0xFFC0CA33, //lime 600
90 0xFF9E9D24, //lime 800
91
92 0xFF795548, //brown 500,
93 //0xFF4E342E, //brown 800
94 0xFF607D8B, //blue grey 500,
95 //0xFF37474F //blue grey 800
96 };
97
98 private static final int[] COLORS;
99
100 static {
101 COLORS = Arrays.copyOf(SAFE_COLORS, SAFE_COLORS.length + UNSAFE_COLORS.length);
102 System.arraycopy(UNSAFE_COLORS, 0, COLORS, SAFE_COLORS.length, UNSAFE_COLORS.length);
103 }
104
105 private static final List<String> LOCATION_QUESTIONS = Arrays.asList(
106 "where are you", //en
107 "where are you now", //en
108 "where are you right now", //en
109 "whats your 20", //en
110 "what is your 20", //en
111 "what's your 20", //en
112 "whats your twenty", //en
113 "what is your twenty", //en
114 "what's your twenty", //en
115 "wo bist du", //de
116 "wo bist du jetzt", //de
117 "wo bist du gerade", //de
118 "wo seid ihr", //de
119 "wo seid ihr jetzt", //de
120 "wo seid ihr gerade", //de
121 "dónde estás", //es
122 "donde estas" //es
123 );
124
125 private static final List<Character> PUNCTIONATION = Arrays.asList('.', ',', '?', '!', ';', ':');
126
127 private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
128 | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
129 private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
130 | DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
131
132 public static String readableTimeDifference(Context context, long time) {
133 return readableTimeDifference(context, time, false);
134 }
135
136 public static String readableTimeDifferenceFull(Context context, long time) {
137 return readableTimeDifference(context, time, true);
138 }
139
140 private static String readableTimeDifference(Context context, long time,
141 boolean fullDate) {
142 if (time == 0) {
143 return context.getString(R.string.just_now);
144 }
145 Date date = new Date(time);
146 long difference = (System.currentTimeMillis() - time) / 1000;
147 if (difference < 60) {
148 return context.getString(R.string.just_now);
149 } else if (difference < 60 * 2) {
150 return context.getString(R.string.minute_ago);
151 } else if (difference < 60 * 15) {
152 return context.getString(R.string.minutes_ago, Math.round(difference / 60.0));
153 } else if (today(date)) {
154 java.text.DateFormat df = DateFormat.getTimeFormat(context);
155 return df.format(date);
156 } else {
157 if (fullDate) {
158 return DateUtils.formatDateTime(context, date.getTime(),
159 FULL_DATE_FLAGS);
160 } else {
161 return DateUtils.formatDateTime(context, date.getTime(),
162 SHORT_DATE_FLAGS);
163 }
164 }
165 }
166
167 private static boolean today(Date date) {
168 return sameDay(date, new Date(System.currentTimeMillis()));
169 }
170
171 public static boolean today(long date) {
172 return sameDay(date, System.currentTimeMillis());
173 }
174
175 public static boolean yesterday(long date) {
176 Calendar cal1 = Calendar.getInstance();
177 Calendar cal2 = Calendar.getInstance();
178 cal1.add(Calendar.DAY_OF_YEAR, -1);
179 cal2.setTime(new Date(date));
180 return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
181 && cal1.get(Calendar.DAY_OF_YEAR) == cal2
182 .get(Calendar.DAY_OF_YEAR);
183 }
184
185 public static boolean sameDay(long a, long b) {
186 return sameDay(new Date(a), new Date(b));
187 }
188
189 private static boolean sameDay(Date a, Date b) {
190 Calendar cal1 = Calendar.getInstance();
191 Calendar cal2 = Calendar.getInstance();
192 cal1.setTime(a);
193 cal2.setTime(b);
194 return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
195 && cal1.get(Calendar.DAY_OF_YEAR) == cal2
196 .get(Calendar.DAY_OF_YEAR);
197 }
198
199 public static String lastseen(Context context, boolean active, long time) {
200 long difference = (System.currentTimeMillis() - time) / 1000;
201 if (active) {
202 return context.getString(R.string.online_right_now);
203 } else if (difference < 60) {
204 return context.getString(R.string.last_seen_now);
205 } else if (difference < 60 * 2) {
206 return context.getString(R.string.last_seen_min);
207 } else if (difference < 60 * 60) {
208 return context.getString(R.string.last_seen_mins, Math.round(difference / 60.0));
209 } else if (difference < 60 * 60 * 2) {
210 return context.getString(R.string.last_seen_hour);
211 } else if (difference < 60 * 60 * 24) {
212 return context.getString(R.string.last_seen_hours,
213 Math.round(difference / (60.0 * 60.0)));
214 } else if (difference < 60 * 60 * 48) {
215 return context.getString(R.string.last_seen_day);
216 } else {
217 return context.getString(R.string.last_seen_days,
218 Math.round(difference / (60.0 * 60.0 * 24.0)));
219 }
220 }
221
222 public static int getColorForName(String name) {
223 return getColorForName(name, false);
224 }
225
226 public static int getColorForName(String name, boolean safe) {
227 if (name == null || name.isEmpty()) {
228 return 0xFF202020;
229 }
230 if (safe) {
231 return SAFE_COLORS[(int) (getLongForName(name) % SAFE_COLORS.length)];
232 } else {
233 return COLORS[(int) (getLongForName(name) % COLORS.length)];
234 }
235 }
236
237 private static long getLongForName(String name) {
238 try {
239 final MessageDigest messageDigest = MessageDigest.getInstance("MD5");
240 return Math.abs(new BigInteger(messageDigest.digest(name.getBytes())).longValue());
241 } catch (Exception e) {
242 return 0;
243 }
244 }
245
246 public static Pair<String, Boolean> getMessagePreview(final Context context, final Message message) {
247 final Transferable d = message.getTransferable();
248 if (d != null) {
249 switch (d.getStatus()) {
250 case Transferable.STATUS_CHECKING:
251 return new Pair<>(context.getString(R.string.checking_x,
252 getFileDescriptionString(context, message)), true);
253 case Transferable.STATUS_DOWNLOADING:
254 return new Pair<>(context.getString(R.string.receiving_x_file,
255 getFileDescriptionString(context, message),
256 d.getProgress()), true);
257 case Transferable.STATUS_OFFER:
258 case Transferable.STATUS_OFFER_CHECK_FILESIZE:
259 return new Pair<>(context.getString(R.string.x_file_offered_for_download,
260 getFileDescriptionString(context, message)), true);
261 case Transferable.STATUS_DELETED:
262 return new Pair<>(context.getString(R.string.file_deleted), true);
263 case Transferable.STATUS_FAILED:
264 return new Pair<>(context.getString(R.string.file_transmission_failed), true);
265 case Transferable.STATUS_UPLOADING:
266 if (message.getStatus() == Message.STATUS_OFFERED) {
267 return new Pair<>(context.getString(R.string.offering_x_file,
268 getFileDescriptionString(context, message)), true);
269 } else {
270 return new Pair<>(context.getString(R.string.sending_x_file,
271 getFileDescriptionString(context, message)), true);
272 }
273 default:
274 return new Pair<>("", false);
275 }
276 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
277 return new Pair<>(context.getString(R.string.pgp_message), true);
278 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
279 return new Pair<>(context.getString(R.string.decryption_failed), true);
280 } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
281 return new Pair<>(context.getString(R.string.not_encrypted_for_this_device), true);
282 } else if (message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) {
283 return new Pair<>(getFileDescriptionString(context, message), true);
284 } else {
285 final String body = message.getBody();
286 if (body.startsWith(Message.ME_COMMAND)) {
287 return new Pair<>(body.replaceAll("^" + Message.ME_COMMAND,
288 UIHelper.getMessageDisplayName(message) + " "), false);
289 } else if (message.isGeoUri()) {
290 return new Pair<>(context.getString(R.string.location), true);
291 } else if (message.treatAsDownloadable()) {
292 return new Pair<>(context.getString(R.string.x_file_offered_for_download,
293 getFileDescriptionString(context, message)), true);
294 } else {
295 String[] lines = body.split("\n");
296 StringBuilder builder = new StringBuilder();
297 for (String l : lines) {
298 if (l.length() > 0) {
299 char first = l.charAt(0);
300 if ((first != '>' || !isPositionFollowedByQuoteableCharacter(l, 0)) && first != '\u00bb') {
301 String line = l.trim();
302 if (line.isEmpty()) {
303 continue;
304 }
305 char last = line.charAt(line.length() - 1);
306 if (builder.length() != 0) {
307 builder.append(' ');
308 }
309 builder.append(line);
310 if (!PUNCTIONATION.contains(last)) {
311 break;
312 }
313 }
314 }
315 }
316 if (builder.length() == 0) {
317 builder.append(body.trim());
318 }
319 return new Pair<>(builder.length() > 256 ? builder.substring(0, 256) : builder.toString(), false);
320 }
321 }
322 }
323
324 public static boolean isPositionFollowedByQuoteableCharacter(CharSequence body, int pos) {
325 return !isPositionFollowedByNumber(body, pos)
326 && !isPositionFollowedByEmoticon(body, pos)
327 && !isPositionFollowedByEquals(body, pos);
328 }
329
330 private static boolean isPositionFollowedByNumber(CharSequence body, int pos) {
331 boolean previousWasNumber = false;
332 for (int i = pos + 1; i < body.length(); i++) {
333 char c = body.charAt(i);
334 if (Character.isDigit(body.charAt(i))) {
335 previousWasNumber = true;
336 } else if (previousWasNumber && (c == '.' || c == ',')) {
337 previousWasNumber = false;
338 } else {
339 return (Character.isWhitespace(c) || c == '%' || c == '+') && previousWasNumber;
340 }
341 }
342 return previousWasNumber;
343 }
344
345 private static boolean isPositionFollowedByEquals(CharSequence body, int pos) {
346 return body.length() > pos + 1 && body.charAt(pos + 1) == '=';
347 }
348
349 private static boolean isPositionFollowedByEmoticon(CharSequence body, int pos) {
350 if (body.length() <= pos + 1) {
351 return false;
352 } else {
353 final char first = body.charAt(pos + 1);
354 return first == ';'
355 || first == ':'
356 || closingBeforeWhitespace(body, pos + 1);
357 }
358 }
359
360 private static boolean closingBeforeWhitespace(CharSequence body, int pos) {
361 for (int i = pos; i < body.length(); ++i) {
362 final char c = body.charAt(i);
363 if (Character.isWhitespace(c)) {
364 return false;
365 } else if (c == '<' || c == '>') {
366 return body.length() == i + 1 || Character.isWhitespace(body.charAt(i + 1));
367 }
368 }
369 return false;
370 }
371
372 public static boolean isPositionFollowedByQuote(CharSequence body, int pos) {
373 if (body.length() <= pos + 1 || Character.isWhitespace(body.charAt(pos + 1))) {
374 return false;
375 }
376 boolean previousWasWhitespace = false;
377 for (int i = pos + 1; i < body.length(); i++) {
378 char c = body.charAt(i);
379 if (c == '\n' || c == '»') {
380 return false;
381 } else if (c == '«' && !previousWasWhitespace) {
382 return true;
383 } else {
384 previousWasWhitespace = Character.isWhitespace(c);
385 }
386 }
387 return false;
388 }
389
390 public static String getDisplayName(MucOptions.User user) {
391 Contact contact = user.getContact();
392 if (contact != null) {
393 return contact.getDisplayName();
394 } else {
395 final String name = user.getName();
396 if (name != null) {
397 return name;
398 }
399 final Jid realJid = user.getRealJid();
400 if (realJid != null) {
401 return JidHelper.localPartOrFallback(realJid);
402 }
403 return null;
404 }
405 }
406
407 public static String concatNames(List<MucOptions.User> users) {
408 return concatNames(users, users.size());
409 }
410
411 public static String concatNames(List<MucOptions.User> users, int max) {
412 StringBuilder builder = new StringBuilder();
413 final boolean shortNames = users.size() >= 3;
414 for (int i = 0; i < Math.min(users.size(), max); ++i) {
415 if (builder.length() != 0) {
416 builder.append(", ");
417 }
418 final String name = UIHelper.getDisplayName(users.get(i));
419 if (name != null) {
420 builder.append(shortNames ? name.split("\\s+")[0] : name);
421 }
422 }
423 return builder.toString();
424 }
425
426 public static String getFileDescriptionString(final Context context, final Message message) {
427 if (message.getType() == Message.TYPE_IMAGE) {
428 return context.getString(R.string.image);
429 }
430 final String mime = message.getMimeType();
431 if (mime == null) {
432 return context.getString(R.string.file);
433 } else if (mime.startsWith("audio/")) {
434 return context.getString(R.string.audio);
435 } else if (mime.startsWith("video/")) {
436 return context.getString(R.string.video);
437 } else if (mime.startsWith("image/")) {
438 return context.getString(R.string.image);
439 } else if (mime.contains("pdf")) {
440 return context.getString(R.string.pdf_document);
441 } else if (mime.contains("application/vnd.android.package-archive")) {
442 return context.getString(R.string.apk);
443 } else if (mime.contains("vcard")) {
444 return context.getString(R.string.vcard);
445 } else {
446 return mime;
447 }
448 }
449
450 public static String getMessageDisplayName(final Message message) {
451 final Conversation conversation = message.getConversation();
452 if (message.getStatus() == Message.STATUS_RECEIVED) {
453 final Contact contact = message.getContact();
454 if (conversation.getMode() == Conversation.MODE_MULTI) {
455 if (contact != null) {
456 return contact.getDisplayName();
457 } else {
458 return getDisplayedMucCounterpart(message.getCounterpart());
459 }
460 } else {
461 return contact != null ? contact.getDisplayName() : "";
462 }
463 } else {
464 if (conversation.getMode() == Conversation.MODE_MULTI) {
465 return conversation.getMucOptions().getSelf().getName();
466 } else {
467 final Jid jid = conversation.getAccount().getJid();
468 return jid.getLocal() != null ? jid.getLocal() : Jid.ofDomain(jid.getDomain()).toString();
469 }
470 }
471 }
472
473 public static String getMessageHint(Context context, Conversation conversation) {
474 switch (conversation.getNextEncryption()) {
475 case Message.ENCRYPTION_NONE:
476 if (Config.multipleEncryptionChoices()) {
477 return context.getString(R.string.send_unencrypted_message);
478 } else {
479 return context.getString(R.string.send_message_to_x, conversation.getName());
480 }
481 case Message.ENCRYPTION_AXOLOTL:
482 AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
483 if (axolotlService != null && axolotlService.trustedSessionVerified(conversation)) {
484 return context.getString(R.string.send_omemo_x509_message);
485 } else {
486 return context.getString(R.string.send_omemo_message);
487 }
488 case Message.ENCRYPTION_PGP:
489 return context.getString(R.string.send_pgp_message);
490 default:
491 return "";
492 }
493 }
494
495 public static String getDisplayedMucCounterpart(final Jid counterpart) {
496 if (counterpart == null) {
497 return "";
498 } else if (!counterpart.isBareJid()) {
499 return counterpart.getResource().trim();
500 } else {
501 return counterpart.toString().trim();
502 }
503 }
504
505 public static boolean receivedLocationQuestion(Message message) {
506 if (message == null
507 || message.getStatus() != Message.STATUS_RECEIVED
508 || message.getType() != Message.TYPE_TEXT) {
509 return false;
510 }
511 String body = message.getBody() == null ? null : message.getBody().trim().toLowerCase(Locale.getDefault());
512 body = body.replace("?", "").replace("¿", "");
513 return LOCATION_QUESTIONS.contains(body);
514 }
515
516 public static ListItem.Tag getTagForStatus(Context context, Presence.Status status) {
517 switch (status) {
518 case CHAT:
519 return new ListItem.Tag(context.getString(R.string.presence_chat), 0xff259b24);
520 case AWAY:
521 return new ListItem.Tag(context.getString(R.string.presence_away), 0xffff9800);
522 case XA:
523 return new ListItem.Tag(context.getString(R.string.presence_xa), 0xfff44336);
524 case DND:
525 return new ListItem.Tag(context.getString(R.string.presence_dnd), 0xfff44336);
526 default:
527 return new ListItem.Tag(context.getString(R.string.presence_online), 0xff259b24);
528 }
529 }
530}