1package eu.siacs.conversations.utils;
2
3import android.content.Context;
4import android.support.annotation.ColorInt;
5import android.text.SpannableString;
6import android.text.SpannableStringBuilder;
7import android.text.format.DateFormat;
8import android.text.format.DateUtils;
9import android.util.Log;
10import android.util.Pair;
11import android.widget.PopupMenu;
12
13import java.lang.reflect.Field;
14import java.lang.reflect.Method;
15import java.math.BigInteger;
16import java.security.MessageDigest;
17import java.util.ArrayList;
18import java.util.Arrays;
19import java.util.Calendar;
20import java.util.Date;
21import java.util.List;
22import java.util.Locale;
23
24import eu.siacs.conversations.Config;
25import eu.siacs.conversations.R;
26import eu.siacs.conversations.crypto.axolotl.AxolotlService;
27import eu.siacs.conversations.entities.Contact;
28import eu.siacs.conversations.entities.Conversation;
29import eu.siacs.conversations.entities.Conversational;
30import eu.siacs.conversations.entities.ListItem;
31import eu.siacs.conversations.entities.Message;
32import eu.siacs.conversations.entities.MucOptions;
33import eu.siacs.conversations.entities.Presence;
34import eu.siacs.conversations.entities.RtpSessionStatus;
35import eu.siacs.conversations.entities.Transferable;
36import eu.siacs.conversations.services.ExportBackupService;
37import rocks.xmpp.addr.Jid;
38
39public class UIHelper {
40
41 private static int[] UNSAFE_COLORS = {
42 0xFFF44336, //red 500
43 0xFFE53935, //red 600
44 0xFFD32F2F, //red 700
45 0xFFC62828, //red 800
46
47 0xFFEF6C00, //orange 800
48
49 0xFFF4511E, //deep orange 600
50 0xFFE64A19, //deep orange 700
51 0xFFD84315, //deep orange 800,
52 };
53
54 private static int[] SAFE_COLORS = {
55 0xFFE91E63, //pink 500
56 0xFFD81B60, //pink 600
57 0xFFC2185B, //pink 700
58 0xFFAD1457, //pink 800
59
60 0xFF9C27B0, //purple 500
61 0xFF8E24AA, //purple 600
62 0xFF7B1FA2, //purple 700
63 0xFF6A1B9A, //purple 800
64
65 0xFF673AB7, //deep purple 500,
66 0xFF5E35B1, //deep purple 600
67 0xFF512DA8, //deep purple 700
68 0xFF4527A0, //deep purple 800,
69
70 0xFF3F51B5, //indigo 500,
71 0xFF3949AB,//indigo 600
72 0xFF303F9F,//indigo 700
73 0xFF283593, //indigo 800
74
75 0xFF2196F3, //blue 500
76 0xFF1E88E5, //blue 600
77 0xFF1976D2, //blue 700
78 0xFF1565C0, //blue 800
79
80 0xFF03A9F4, //light blue 500
81 0xFF039BE5, //light blue 600
82 0xFF0288D1, //light blue 700
83 0xFF0277BD, //light blue 800
84
85 0xFF00BCD4, //cyan 500
86 0xFF00ACC1, //cyan 600
87 0xFF0097A7, //cyan 700
88 0xFF00838F, //cyan 800
89
90 0xFF009688, //teal 500,
91 0xFF00897B, //teal 600
92 0xFF00796B, //teal 700
93 0xFF00695C, //teal 800,
94
95 //0xFF558B2F, //light green 800
96
97 //0xFFC0CA33, //lime 600
98 0xFF9E9D24, //lime 800
99
100 0xFF795548, //brown 500,
101 //0xFF4E342E, //brown 800
102 0xFF607D8B, //blue grey 500,
103 //0xFF37474F //blue grey 800
104 };
105
106 private static final int[] COLORS;
107
108 static {
109 COLORS = Arrays.copyOf(SAFE_COLORS, SAFE_COLORS.length + UNSAFE_COLORS.length);
110 System.arraycopy(UNSAFE_COLORS, 0, COLORS, SAFE_COLORS.length, UNSAFE_COLORS.length);
111 }
112
113 private static final List<String> LOCATION_QUESTIONS = Arrays.asList(
114 "where are you", //en
115 "where are you now", //en
116 "where are you right now", //en
117 "whats your 20", //en
118 "what is your 20", //en
119 "what's your 20", //en
120 "whats your twenty", //en
121 "what is your twenty", //en
122 "what's your twenty", //en
123 "wo bist du", //de
124 "wo bist du jetzt", //de
125 "wo bist du gerade", //de
126 "wo seid ihr", //de
127 "wo seid ihr jetzt", //de
128 "wo seid ihr gerade", //de
129 "dónde estás", //es
130 "donde estas" //es
131 );
132
133 private static final List<Character> PUNCTIONATION = Arrays.asList('.', ',', '?', '!', ';', ':');
134
135 private static final int SHORT_DATE_FLAGS = DateUtils.FORMAT_SHOW_DATE
136 | DateUtils.FORMAT_NO_YEAR | DateUtils.FORMAT_ABBREV_ALL;
137 private static final int FULL_DATE_FLAGS = DateUtils.FORMAT_SHOW_TIME
138 | DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE;
139
140 public static String readableTimeDifference(Context context, long time) {
141 return readableTimeDifference(context, time, false);
142 }
143
144 public static String readableTimeDifferenceFull(Context context, long time) {
145 return readableTimeDifference(context, time, true);
146 }
147
148 private static String readableTimeDifference(Context context, long time,
149 boolean fullDate) {
150 if (time == 0) {
151 return context.getString(R.string.just_now);
152 }
153 Date date = new Date(time);
154 long difference = (System.currentTimeMillis() - time) / 1000;
155 if (difference < 60) {
156 return context.getString(R.string.just_now);
157 } else if (difference < 60 * 2) {
158 return context.getString(R.string.minute_ago);
159 } else if (difference < 60 * 15) {
160 return context.getString(R.string.minutes_ago, Math.round(difference / 60.0));
161 } else if (today(date)) {
162 java.text.DateFormat df = DateFormat.getTimeFormat(context);
163 return df.format(date);
164 } else {
165 if (fullDate) {
166 return DateUtils.formatDateTime(context, date.getTime(),
167 FULL_DATE_FLAGS);
168 } else {
169 return DateUtils.formatDateTime(context, date.getTime(),
170 SHORT_DATE_FLAGS);
171 }
172 }
173 }
174
175 private static boolean today(Date date) {
176 return sameDay(date, new Date(System.currentTimeMillis()));
177 }
178
179 public static boolean today(long date) {
180 return sameDay(date, System.currentTimeMillis());
181 }
182
183 public static boolean yesterday(long date) {
184 Calendar cal1 = Calendar.getInstance();
185 Calendar cal2 = Calendar.getInstance();
186 cal1.add(Calendar.DAY_OF_YEAR, -1);
187 cal2.setTime(new Date(date));
188 return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
189 && cal1.get(Calendar.DAY_OF_YEAR) == cal2
190 .get(Calendar.DAY_OF_YEAR);
191 }
192
193 public static boolean sameDay(long a, long b) {
194 return sameDay(new Date(a), new Date(b));
195 }
196
197 private static boolean sameDay(Date a, Date b) {
198 Calendar cal1 = Calendar.getInstance();
199 Calendar cal2 = Calendar.getInstance();
200 cal1.setTime(a);
201 cal2.setTime(b);
202 return cal1.get(Calendar.YEAR) == cal2.get(Calendar.YEAR)
203 && cal1.get(Calendar.DAY_OF_YEAR) == cal2
204 .get(Calendar.DAY_OF_YEAR);
205 }
206
207 public static String lastseen(Context context, boolean active, long time) {
208 long difference = (System.currentTimeMillis() - time) / 1000;
209 if (active) {
210 return context.getString(R.string.online_right_now);
211 } else if (difference < 60) {
212 return context.getString(R.string.last_seen_now);
213 } else if (difference < 60 * 2) {
214 return context.getString(R.string.last_seen_min);
215 } else if (difference < 60 * 60) {
216 return context.getString(R.string.last_seen_mins, Math.round(difference / 60.0));
217 } else if (difference < 60 * 60 * 2) {
218 return context.getString(R.string.last_seen_hour);
219 } else if (difference < 60 * 60 * 24) {
220 return context.getString(R.string.last_seen_hours,
221 Math.round(difference / (60.0 * 60.0)));
222 } else if (difference < 60 * 60 * 48) {
223 return context.getString(R.string.last_seen_day);
224 } else {
225 return context.getString(R.string.last_seen_days,
226 Math.round(difference / (60.0 * 60.0 * 24.0)));
227 }
228 }
229
230 public static int getColorForName(String name) {
231 return getColorForName(name, false);
232 }
233
234 public static int getColorForName(String name, boolean safe) {
235 if (Config.XEP_0392) {
236 return XEP0392Helper.rgbFromNick(name);
237 }
238 if (name == null || name.isEmpty()) {
239 return 0xFF202020;
240 }
241 if (safe) {
242 return SAFE_COLORS[(int) (getLongForName(name) % SAFE_COLORS.length)];
243 } else {
244 return COLORS[(int) (getLongForName(name) % COLORS.length)];
245 }
246 }
247
248 private static long getLongForName(String name) {
249 try {
250 final MessageDigest messageDigest = MessageDigest.getInstance("MD5");
251 return Math.abs(new BigInteger(messageDigest.digest(name.getBytes())).longValue());
252 } catch (Exception e) {
253 return 0;
254 }
255 }
256
257 public static Pair<CharSequence, Boolean> getMessagePreview(final Context context, final Message message) {
258 return getMessagePreview(context, message, 0);
259 }
260
261 public static Pair<CharSequence, Boolean> getMessagePreview(final Context context, final Message message, @ColorInt int textColor) {
262 final Transferable d = message.getTransferable();
263 if (d != null) {
264 switch (d.getStatus()) {
265 case Transferable.STATUS_CHECKING:
266 return new Pair<>(context.getString(R.string.checking_x,
267 getFileDescriptionString(context, message)), true);
268 case Transferable.STATUS_DOWNLOADING:
269 return new Pair<>(context.getString(R.string.receiving_x_file,
270 getFileDescriptionString(context, message),
271 d.getProgress()), true);
272 case Transferable.STATUS_OFFER:
273 case Transferable.STATUS_OFFER_CHECK_FILESIZE:
274 return new Pair<>(context.getString(R.string.x_file_offered_for_download,
275 getFileDescriptionString(context, message)), true);
276 case Transferable.STATUS_FAILED:
277 return new Pair<>(context.getString(R.string.file_transmission_failed), true);
278 case Transferable.STATUS_CANCELLED:
279 return new Pair<>(context.getString(R.string.file_transmission_cancelled), true);
280 case Transferable.STATUS_UPLOADING:
281 if (message.getStatus() == Message.STATUS_OFFERED) {
282 return new Pair<>(context.getString(R.string.offering_x_file,
283 getFileDescriptionString(context, message)), true);
284 } else {
285 return new Pair<>(context.getString(R.string.sending_x_file,
286 getFileDescriptionString(context, message)), true);
287 }
288 default:
289 return new Pair<>("", false);
290 }
291 } else if (message.isFileOrImage() && message.isDeleted()) {
292 return new Pair<>(context.getString(R.string.file_deleted), true);
293 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
294 return new Pair<>(context.getString(R.string.pgp_message), true);
295 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
296 return new Pair<>(context.getString(R.string.decryption_failed), true);
297 } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
298 return new Pair<>(context.getString(R.string.not_encrypted_for_this_device), true);
299 } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
300 return new Pair<>(context.getString(R.string.omemo_decryption_failed), true);
301 } else if (message.isFileOrImage()) {
302 return new Pair<>(getFileDescriptionString(context, message), true);
303 } else if (message.getType() == Message.TYPE_RTP_SESSION) {
304 RtpSessionStatus rtpSessionStatus = RtpSessionStatus.of(message.getBody());
305 final boolean received = message.getStatus() == Message.STATUS_RECEIVED;
306 if (!rtpSessionStatus.successful && received) {
307 return new Pair<>(context.getString(R.string.missed_call),true);
308 } else {
309 return new Pair<>(context.getString(received ? R.string.incoming_call : R.string.outgoing_call), true);
310 }
311 } else {
312 final String body = MessageUtils.filterLtrRtl(message.getBody());
313 if (body.startsWith(Message.ME_COMMAND)) {
314 return new Pair<>(body.replaceAll("^" + Message.ME_COMMAND,
315 UIHelper.getMessageDisplayName(message) + " "), false);
316 } else if (message.isGeoUri()) {
317 return new Pair<>(context.getString(R.string.location), true);
318 } else if (message.treatAsDownloadable() || MessageUtils.unInitiatedButKnownSize(message)) {
319 return new Pair<>(context.getString(R.string.x_file_offered_for_download,
320 getFileDescriptionString(context, message)), true);
321 } else {
322 SpannableStringBuilder styledBody = new SpannableStringBuilder(body);
323 if (textColor != 0) {
324 StylingHelper.format(styledBody, 0, styledBody.length() - 1, textColor);
325 }
326 SpannableStringBuilder builder = new SpannableStringBuilder();
327 for (CharSequence l : CharSequenceUtils.split(styledBody, '\n')) {
328 if (l.length() > 0) {
329 if (l.toString().equals("```")) {
330 continue;
331 }
332 char first = l.charAt(0);
333 if ((first != '>' || !isPositionFollowedByQuoteableCharacter(l, 0)) && first != '\u00bb') {
334 CharSequence line = CharSequenceUtils.trim(l);
335 if (line.length() == 0) {
336 continue;
337 }
338 char last = line.charAt(line.length() - 1);
339 if (builder.length() != 0) {
340 builder.append(' ');
341 }
342 builder.append(line);
343 if (!PUNCTIONATION.contains(last)) {
344 break;
345 }
346 }
347 }
348 }
349 if (builder.length() == 0) {
350 builder.append(body.trim());
351 }
352 return new Pair<>(builder, false);
353 }
354 }
355 }
356
357 public static boolean isLastLineQuote(String body) {
358 if (body.endsWith("\n")) {
359 return false;
360 }
361 String[] lines = body.split("\n");
362 if (lines.length == 0) {
363 return false;
364 }
365 String line = lines[lines.length - 1];
366 if (line.isEmpty()) {
367 return false;
368 }
369 char first = line.charAt(0);
370 return first == '>' && isPositionFollowedByQuoteableCharacter(line,0) || first == '\u00bb';
371 }
372
373 public static CharSequence shorten(CharSequence input) {
374 return input.length() > 256 ? StylingHelper.subSequence(input, 0, 256) : input;
375 }
376
377 public static boolean isPositionFollowedByQuoteableCharacter(CharSequence body, int pos) {
378 return !isPositionFollowedByNumber(body, pos)
379 && !isPositionFollowedByEmoticon(body, pos)
380 && !isPositionFollowedByEquals(body, pos);
381 }
382
383 private static boolean isPositionFollowedByNumber(CharSequence body, int pos) {
384 boolean previousWasNumber = false;
385 for (int i = pos + 1; i < body.length(); i++) {
386 char c = body.charAt(i);
387 if (Character.isDigit(body.charAt(i))) {
388 previousWasNumber = true;
389 } else if (previousWasNumber && (c == '.' || c == ',')) {
390 previousWasNumber = false;
391 } else {
392 return (Character.isWhitespace(c) || c == '%' || c == '+') && previousWasNumber;
393 }
394 }
395 return previousWasNumber;
396 }
397
398 private static boolean isPositionFollowedByEquals(CharSequence body, int pos) {
399 return body.length() > pos + 1 && body.charAt(pos + 1) == '=';
400 }
401
402 private static boolean isPositionFollowedByEmoticon(CharSequence body, int pos) {
403 if (body.length() <= pos + 1) {
404 return false;
405 } else {
406 final char first = body.charAt(pos + 1);
407 return first == ';'
408 || first == ':'
409 || closingBeforeWhitespace(body, pos + 1);
410 }
411 }
412
413 private static boolean closingBeforeWhitespace(CharSequence body, int pos) {
414 for (int i = pos; i < body.length(); ++i) {
415 final char c = body.charAt(i);
416 if (Character.isWhitespace(c)) {
417 return false;
418 } else if (c == '<' || c == '>') {
419 return body.length() == i + 1 || Character.isWhitespace(body.charAt(i + 1));
420 }
421 }
422 return false;
423 }
424
425 public static boolean isPositionFollowedByQuote(CharSequence body, int pos) {
426 if (body.length() <= pos + 1 || Character.isWhitespace(body.charAt(pos + 1))) {
427 return false;
428 }
429 boolean previousWasWhitespace = false;
430 for (int i = pos + 1; i < body.length(); i++) {
431 char c = body.charAt(i);
432 if (c == '\n' || c == '»') {
433 return false;
434 } else if (c == '«' && !previousWasWhitespace) {
435 return true;
436 } else {
437 previousWasWhitespace = Character.isWhitespace(c);
438 }
439 }
440 return false;
441 }
442
443 public static String getDisplayName(MucOptions.User user) {
444 Contact contact = user.getContact();
445 if (contact != null) {
446 return contact.getDisplayName();
447 } else {
448 final String name = user.getName();
449 if (name != null) {
450 return name;
451 }
452 final Jid realJid = user.getRealJid();
453 if (realJid != null) {
454 return JidHelper.localPartOrFallback(realJid);
455 }
456 return null;
457 }
458 }
459
460 public static String concatNames(List<MucOptions.User> users) {
461 return concatNames(users, users.size());
462 }
463
464 public static String concatNames(List<MucOptions.User> users, int max) {
465 StringBuilder builder = new StringBuilder();
466 final boolean shortNames = users.size() >= 3;
467 for (int i = 0; i < Math.min(users.size(), max); ++i) {
468 if (builder.length() != 0) {
469 builder.append(", ");
470 }
471 final String name = UIHelper.getDisplayName(users.get(i));
472 if (name != null) {
473 builder.append(shortNames ? name.split("\\s+")[0] : name);
474 }
475 }
476 return builder.toString();
477 }
478
479 public static String getFileDescriptionString(final Context context, final Message message) {
480 if (message.getType() == Message.TYPE_IMAGE) {
481 return context.getString(R.string.image);
482 }
483 final String mime = message.getMimeType();
484 if (mime == null) {
485 return context.getString(R.string.file);
486 } else if (mime.startsWith("audio/")) {
487 return context.getString(R.string.audio);
488 } else if (mime.startsWith("video/")) {
489 return context.getString(R.string.video);
490 } else if (mime.equals("image/gif")) {
491 return context.getString(R.string.gif);
492 } else if (mime.startsWith("image/")) {
493 return context.getString(R.string.image);
494 } else if (mime.contains("pdf")) {
495 return context.getString(R.string.pdf_document);
496 } else if (mime.equals("application/vnd.android.package-archive")) {
497 return context.getString(R.string.apk);
498 } else if (mime.equals(ExportBackupService.MIME_TYPE)) {
499 return context.getString(R.string.conversations_backup);
500 } else if (mime.contains("vcard")) {
501 return context.getString(R.string.vcard);
502 } else if (mime.equals("text/x-vcalendar") || mime.equals("text/calendar")) {
503 return context.getString(R.string.event);
504 } else if (mime.equals("application/epub+zip") || mime.equals("application/vnd.amazon.mobi8-ebook")) {
505 return context.getString(R.string.ebook);
506 } else {
507 return mime;
508 }
509 }
510
511 public static String getMessageDisplayName(final Message message) {
512 final Conversational conversation = message.getConversation();
513 if (message.getStatus() == Message.STATUS_RECEIVED) {
514 final Contact contact = message.getContact();
515 if (conversation.getMode() == Conversation.MODE_MULTI) {
516 if (contact != null) {
517 return contact.getDisplayName();
518 } else {
519 return getDisplayedMucCounterpart(message.getCounterpart());
520 }
521 } else {
522 return contact != null ? contact.getDisplayName() : "";
523 }
524 } else {
525 if (conversation instanceof Conversation && conversation.getMode() == Conversation.MODE_MULTI) {
526 return ((Conversation) conversation).getMucOptions().getSelf().getName();
527 } else {
528 final Jid jid = conversation.getAccount().getJid();
529 return jid.getLocal() != null ? jid.getLocal() : Jid.ofDomain(jid.getDomain()).toString();
530 }
531 }
532 }
533
534 public static String getMessageHint(Context context, Conversation conversation) {
535 switch (conversation.getNextEncryption()) {
536 case Message.ENCRYPTION_NONE:
537 if (Config.multipleEncryptionChoices()) {
538 return context.getString(R.string.send_unencrypted_message);
539 } else {
540 return context.getString(R.string.send_message_to_x, conversation.getName());
541 }
542 case Message.ENCRYPTION_AXOLOTL:
543 AxolotlService axolotlService = conversation.getAccount().getAxolotlService();
544 if (axolotlService != null && axolotlService.trustedSessionVerified(conversation)) {
545 return context.getString(R.string.send_omemo_x509_message);
546 } else {
547 return context.getString(R.string.send_omemo_message);
548 }
549 case Message.ENCRYPTION_PGP:
550 return context.getString(R.string.send_pgp_message);
551 default:
552 return "";
553 }
554 }
555
556 public static String getDisplayedMucCounterpart(final Jid counterpart) {
557 if (counterpart == null) {
558 return "";
559 } else if (!counterpart.isBareJid()) {
560 return counterpart.getResource().trim();
561 } else {
562 return counterpart.toString().trim();
563 }
564 }
565
566 public static boolean receivedLocationQuestion(Message message) {
567 if (message == null
568 || message.getStatus() != Message.STATUS_RECEIVED
569 || message.getType() != Message.TYPE_TEXT) {
570 return false;
571 }
572 String body = message.getBody() == null ? null : message.getBody().trim().toLowerCase(Locale.getDefault());
573 body = body.replace("?", "").replace("¿", "");
574 return LOCATION_QUESTIONS.contains(body);
575 }
576
577 public static ListItem.Tag getTagForStatus(Context context, Presence.Status status) {
578 switch (status) {
579 case CHAT:
580 return new ListItem.Tag(context.getString(R.string.presence_chat), 0xff259b24);
581 case AWAY:
582 return new ListItem.Tag(context.getString(R.string.presence_away), 0xffff9800);
583 case XA:
584 return new ListItem.Tag(context.getString(R.string.presence_xa), 0xfff44336);
585 case DND:
586 return new ListItem.Tag(context.getString(R.string.presence_dnd), 0xfff44336);
587 default:
588 return new ListItem.Tag(context.getString(R.string.presence_online), 0xff259b24);
589 }
590 }
591
592 public static String filesizeToString(long size) {
593 if (size > (1.5 * 1024 * 1024)) {
594 return Math.round(size * 1f / (1024 * 1024)) + " MiB";
595 } else if (size >= 1024) {
596 return Math.round(size * 1f / 1024) + " KiB";
597 } else {
598 return size + " B";
599 }
600 }
601}