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