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