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