1package eu.siacs.conversations.entities;
2
3import android.content.ContentValues;
4import android.database.Cursor;
5import android.support.annotation.NonNull;
6import android.support.annotation.Nullable;
7import android.text.TextUtils;
8
9import org.json.JSONArray;
10import org.json.JSONException;
11import org.json.JSONObject;
12
13import java.util.ArrayList;
14import java.util.Collections;
15import java.util.Comparator;
16import java.util.Iterator;
17import java.util.List;
18import java.util.ListIterator;
19import java.util.Locale;
20import java.util.concurrent.atomic.AtomicBoolean;
21
22import eu.siacs.conversations.Config;
23import eu.siacs.conversations.crypto.PgpDecryptionService;
24import eu.siacs.conversations.crypto.axolotl.AxolotlService;
25import eu.siacs.conversations.xmpp.chatstate.ChatState;
26import eu.siacs.conversations.xmpp.mam.MamReference;
27import rocks.xmpp.addr.Jid;
28
29import static eu.siacs.conversations.entities.Bookmark.printableValue;
30
31
32public class Conversation extends AbstractEntity implements Blockable, Comparable<Conversation> {
33 public static final String TABLENAME = "conversations";
34
35 public static final int STATUS_AVAILABLE = 0;
36 public static final int STATUS_ARCHIVED = 1;
37
38 public static final int MODE_MULTI = 1;
39 public static final int MODE_SINGLE = 0;
40
41 public static final String NAME = "name";
42 public static final String ACCOUNT = "accountUuid";
43 public static final String CONTACT = "contactUuid";
44 public static final String CONTACTJID = "contactJid";
45 public static final String STATUS = "status";
46 public static final String CREATED = "created";
47 public static final String MODE = "mode";
48 public static final String ATTRIBUTES = "attributes";
49
50 public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
51 public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
52 public static final String ATTRIBUTE_LAST_CLEAR_HISTORY = "last_clear_history";
53 static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
54 private static final String ATTRIBUTE_NEXT_MESSAGE = "next_message";
55 private static final String ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP = "next_message_timestamp";
56 private static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
57 private static final String ATTRIBUTE_NEXT_ENCRYPTION = "next_encryption";
58 protected final ArrayList<Message> messages = new ArrayList<>();
59 public AtomicBoolean messagesLoaded = new AtomicBoolean(true);
60 protected Account account = null;
61 private String draftMessage;
62 private String name;
63 private String contactUuid;
64 private String accountUuid;
65 private Jid contactJid;
66 private int status;
67 private long created;
68 private int mode;
69 private JSONObject attributes = new JSONObject();
70 private Jid nextCounterpart;
71 private transient MucOptions mucOptions = null;
72 private boolean messagesLeftOnServer = true;
73 private ChatState mOutgoingChatState = Config.DEFAULT_CHATSTATE;
74 private ChatState mIncomingChatState = Config.DEFAULT_CHATSTATE;
75 private String mFirstMamReference = null;
76 private Message correctingMessage;
77
78 public Conversation(final String name, final Account account, final Jid contactJid,
79 final int mode) {
80 this(java.util.UUID.randomUUID().toString(), name, null, account
81 .getUuid(), contactJid, System.currentTimeMillis(),
82 STATUS_AVAILABLE, mode, "");
83 this.account = account;
84 }
85
86 public Conversation(final String uuid, final String name, final String contactUuid,
87 final String accountUuid, final Jid contactJid, final long created, final int status,
88 final int mode, final String attributes) {
89 this.uuid = uuid;
90 this.name = name;
91 this.contactUuid = contactUuid;
92 this.accountUuid = accountUuid;
93 this.contactJid = contactJid;
94 this.created = created;
95 this.status = status;
96 this.mode = mode;
97 try {
98 this.attributes = new JSONObject(attributes == null ? "" : attributes);
99 } catch (JSONException e) {
100 this.attributes = new JSONObject();
101 }
102 }
103
104 public static Conversation fromCursor(Cursor cursor) {
105 Jid jid;
106 try {
107 jid = Jid.of(cursor.getString(cursor.getColumnIndex(CONTACTJID)));
108 } catch (final IllegalArgumentException e) {
109 // Borked DB..
110 jid = null;
111 }
112 return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
113 cursor.getString(cursor.getColumnIndex(NAME)),
114 cursor.getString(cursor.getColumnIndex(CONTACT)),
115 cursor.getString(cursor.getColumnIndex(ACCOUNT)),
116 jid,
117 cursor.getLong(cursor.getColumnIndex(CREATED)),
118 cursor.getInt(cursor.getColumnIndex(STATUS)),
119 cursor.getInt(cursor.getColumnIndex(MODE)),
120 cursor.getString(cursor.getColumnIndex(ATTRIBUTES)));
121 }
122
123 public boolean hasMessagesLeftOnServer() {
124 return messagesLeftOnServer;
125 }
126
127 public void setHasMessagesLeftOnServer(boolean value) {
128 this.messagesLeftOnServer = value;
129 }
130
131 public Message getFirstUnreadMessage() {
132 Message first = null;
133 synchronized (this.messages) {
134 for (int i = messages.size() - 1; i >= 0; --i) {
135 if (messages.get(i).isRead()) {
136 return first;
137 } else {
138 first = messages.get(i);
139 }
140 }
141 }
142 return first;
143 }
144
145 public Message findUnsentMessageWithUuid(String uuid) {
146 synchronized (this.messages) {
147 for (final Message message : this.messages) {
148 final int s = message.getStatus();
149 if ((s == Message.STATUS_UNSEND || s == Message.STATUS_WAITING) && message.getUuid().equals(uuid)) {
150 return message;
151 }
152 }
153 }
154 return null;
155 }
156
157 public void findWaitingMessages(OnMessageFound onMessageFound) {
158 synchronized (this.messages) {
159 for (Message message : this.messages) {
160 if (message.getStatus() == Message.STATUS_WAITING) {
161 onMessageFound.onMessageFound(message);
162 }
163 }
164 }
165 }
166
167 public void findUnreadMessages(OnMessageFound onMessageFound) {
168 synchronized (this.messages) {
169 for (Message message : this.messages) {
170 if (!message.isRead()) {
171 onMessageFound.onMessageFound(message);
172 }
173 }
174 }
175 }
176
177 public void findMessagesWithFiles(final OnMessageFound onMessageFound) {
178 synchronized (this.messages) {
179 for (final Message message : this.messages) {
180 if ((message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE)
181 && message.getEncryption() != Message.ENCRYPTION_PGP) {
182 onMessageFound.onMessageFound(message);
183 }
184 }
185 }
186 }
187
188 public Message findMessageWithFileAndUuid(final String uuid) {
189 synchronized (this.messages) {
190 for (final Message message : this.messages) {
191 if (message.getUuid().equals(uuid)
192 && message.getEncryption() != Message.ENCRYPTION_PGP
193 && (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.treatAsDownloadable())) {
194 return message;
195 }
196 }
197 }
198 return null;
199 }
200
201 public void clearMessages() {
202 synchronized (this.messages) {
203 this.messages.clear();
204 }
205 }
206
207 public boolean setIncomingChatState(ChatState state) {
208 if (this.mIncomingChatState == state) {
209 return false;
210 }
211 this.mIncomingChatState = state;
212 return true;
213 }
214
215 public ChatState getIncomingChatState() {
216 return this.mIncomingChatState;
217 }
218
219 public boolean setOutgoingChatState(ChatState state) {
220 if (mode == MODE_SINGLE && !getContact().isSelf() || (isPrivateAndNonAnonymous() && getNextCounterpart() == null)) {
221 if (this.mOutgoingChatState != state) {
222 this.mOutgoingChatState = state;
223 return true;
224 }
225 }
226 return false;
227 }
228
229 public ChatState getOutgoingChatState() {
230 return this.mOutgoingChatState;
231 }
232
233 public void trim() {
234 synchronized (this.messages) {
235 final int size = messages.size();
236 final int maxsize = Config.PAGE_SIZE * Config.MAX_NUM_PAGES;
237 if (size > maxsize) {
238 List<Message> discards = this.messages.subList(0, size - maxsize);
239 final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
240 if (pgpDecryptionService != null) {
241 pgpDecryptionService.discard(discards);
242 }
243 discards.clear();
244 untieMessages();
245 }
246 }
247 }
248
249 public void findUnsentMessagesWithEncryption(int encryptionType, OnMessageFound onMessageFound) {
250 synchronized (this.messages) {
251 for (Message message : this.messages) {
252 if ((message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_WAITING)
253 && (message.getEncryption() == encryptionType)) {
254 onMessageFound.onMessageFound(message);
255 }
256 }
257 }
258 }
259
260 public void findUnsentTextMessages(OnMessageFound onMessageFound) {
261 synchronized (this.messages) {
262 for (Message message : this.messages) {
263 if (message.getType() != Message.TYPE_IMAGE
264 && message.getStatus() == Message.STATUS_UNSEND) {
265 onMessageFound.onMessageFound(message);
266 }
267 }
268 }
269 }
270
271 public Message findSentMessageWithUuidOrRemoteId(String id) {
272 synchronized (this.messages) {
273 for (Message message : this.messages) {
274 if (id.equals(message.getUuid())
275 || (message.getStatus() >= Message.STATUS_SEND
276 && id.equals(message.getRemoteMsgId()))) {
277 return message;
278 }
279 }
280 }
281 return null;
282 }
283
284 public Message findMessageWithRemoteIdAndCounterpart(String id, Jid counterpart, boolean received, boolean carbon) {
285 synchronized (this.messages) {
286 for (int i = this.messages.size() - 1; i >= 0; --i) {
287 Message message = messages.get(i);
288 if (counterpart.equals(message.getCounterpart())
289 && ((message.getStatus() == Message.STATUS_RECEIVED) == received)
290 && (carbon == message.isCarbon() || received)) {
291 if (id.equals(message.getRemoteMsgId()) && !message.isFileOrImage() && !message.treatAsDownloadable()) {
292 return message;
293 } else {
294 return null;
295 }
296 }
297 }
298 }
299 return null;
300 }
301
302 public Message findSentMessageWithUuid(String id) {
303 synchronized (this.messages) {
304 for (Message message : this.messages) {
305 if (id.equals(message.getUuid())) {
306 return message;
307 }
308 }
309 }
310 return null;
311 }
312
313 public Message findMessageWithRemoteId(String id, Jid counterpart) {
314 synchronized (this.messages) {
315 for (Message message : this.messages) {
316 if (counterpart.equals(message.getCounterpart())
317 && (id.equals(message.getRemoteMsgId()) || id.equals(message.getUuid()))) {
318 return message;
319 }
320 }
321 }
322 return null;
323 }
324
325 public boolean hasMessageWithCounterpart(Jid counterpart) {
326 synchronized (this.messages) {
327 for (Message message : this.messages) {
328 if (counterpart.equals(message.getCounterpart())) {
329 return true;
330 }
331 }
332 }
333 return false;
334 }
335
336 public void populateWithMessages(final List<Message> messages) {
337 synchronized (this.messages) {
338 messages.clear();
339 messages.addAll(this.messages);
340 }
341 for (Iterator<Message> iterator = messages.iterator(); iterator.hasNext(); ) {
342 if (iterator.next().wasMergedIntoPrevious()) {
343 iterator.remove();
344 }
345 }
346 }
347
348 @Override
349 public boolean isBlocked() {
350 return getContact().isBlocked();
351 }
352
353 @Override
354 public boolean isDomainBlocked() {
355 return getContact().isDomainBlocked();
356 }
357
358 @Override
359 public Jid getBlockedJid() {
360 return getContact().getBlockedJid();
361 }
362
363 public int countMessages() {
364 synchronized (this.messages) {
365 return this.messages.size();
366 }
367 }
368
369 public String getFirstMamReference() {
370 return this.mFirstMamReference;
371 }
372
373 public void setFirstMamReference(String reference) {
374 this.mFirstMamReference = reference;
375 }
376
377 public void setLastClearHistory(long time, String reference) {
378 if (reference != null) {
379 setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, String.valueOf(time) + ":" + reference);
380 } else {
381 setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time);
382 }
383 }
384
385 public MamReference getLastClearHistory() {
386 return MamReference.fromAttribute(getAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY));
387 }
388
389 public List<Jid> getAcceptedCryptoTargets() {
390 if (mode == MODE_SINGLE) {
391 return Collections.singletonList(getJid().asBareJid());
392 } else {
393 return getJidListAttribute(ATTRIBUTE_CRYPTO_TARGETS);
394 }
395 }
396
397 public void setAcceptedCryptoTargets(List<Jid> acceptedTargets) {
398 setAttribute(ATTRIBUTE_CRYPTO_TARGETS, acceptedTargets);
399 }
400
401 public boolean setCorrectingMessage(Message correctingMessage) {
402 this.correctingMessage = correctingMessage;
403 return correctingMessage == null && draftMessage != null;
404 }
405
406 public Message getCorrectingMessage() {
407 return this.correctingMessage;
408 }
409
410 public boolean withSelf() {
411 return getContact().isSelf();
412 }
413
414 @Override
415 public int compareTo(@NonNull Conversation another) {
416 return Long.compare(another.getSortableTime(), getSortableTime());
417 }
418
419 private long getSortableTime() {
420 Draft draft = getDraft();
421 long messageTime = getLatestMessage().getTimeSent();
422 if (draft == null) {
423 return messageTime;
424 } else {
425 return Math.max(messageTime, draft.getTimestamp());
426 }
427 }
428
429 public String getDraftMessage() {
430 return draftMessage;
431 }
432
433 public void setDraftMessage(String draftMessage) {
434 this.draftMessage = draftMessage;
435 }
436
437 public boolean isRead() {
438 return (this.messages.size() == 0) || this.messages.get(this.messages.size() - 1).isRead();
439 }
440
441 public List<Message> markRead() {
442 final List<Message> unread = new ArrayList<>();
443 synchronized (this.messages) {
444 for (Message message : this.messages) {
445 if (!message.isRead()) {
446 message.markRead();
447 unread.add(message);
448 }
449 }
450 }
451 return unread;
452 }
453
454 public Message getLatestMarkableMessage(boolean isPrivateAndNonAnonymousMuc) {
455 synchronized (this.messages) {
456 for (int i = this.messages.size() - 1; i >= 0; --i) {
457 final Message message = this.messages.get(i);
458 if (message.getStatus() <= Message.STATUS_RECEIVED
459 && (message.markable || isPrivateAndNonAnonymousMuc)
460 && message.getType() != Message.TYPE_PRIVATE) {
461 return message.isRead() ? null : message;
462 }
463 }
464 }
465 return null;
466 }
467
468 public Message getLatestMessage() {
469 synchronized (this.messages) {
470 if (this.messages.size() == 0) {
471 Message message = new Message(this, "", Message.ENCRYPTION_NONE);
472 message.setType(Message.TYPE_STATUS);
473 message.setTime(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
474 return message;
475 } else {
476 return this.messages.get(this.messages.size() - 1);
477 }
478 }
479 }
480
481 public CharSequence getName() {
482 if (getMode() == MODE_MULTI) {
483 final String subject = getMucOptions().getSubject();
484 final Bookmark bookmark = getBookmark();
485 final String bookmarkName = bookmark != null ? bookmark.getBookmarkName() : null;
486 if (printableValue(subject)) {
487 return subject;
488 } else if (printableValue(bookmarkName, false)) {
489 return bookmarkName;
490 } else {
491 final String generatedName = getMucOptions().createNameFromParticipants();
492 if (printableValue(generatedName)) {
493 return generatedName;
494 } else {
495 return getJid().getLocal();
496 }
497 }
498 } else if (isWithStranger()) {
499 return contactJid;
500 } else {
501 return this.getContact().getDisplayName();
502 }
503 }
504
505 public String getAccountUuid() {
506 return this.accountUuid;
507 }
508
509 public Account getAccount() {
510 return this.account;
511 }
512
513 public void setAccount(final Account account) {
514 this.account = account;
515 }
516
517 public Contact getContact() {
518 return this.account.getRoster().getContact(this.contactJid);
519 }
520
521 @Override
522 public Jid getJid() {
523 return this.contactJid;
524 }
525
526 public int getStatus() {
527 return this.status;
528 }
529
530 public void setStatus(int status) {
531 this.status = status;
532 }
533
534 public long getCreated() {
535 return this.created;
536 }
537
538 public ContentValues getContentValues() {
539 ContentValues values = new ContentValues();
540 values.put(UUID, uuid);
541 values.put(NAME, name);
542 values.put(CONTACT, contactUuid);
543 values.put(ACCOUNT, accountUuid);
544 values.put(CONTACTJID, contactJid.toString());
545 values.put(CREATED, created);
546 values.put(STATUS, status);
547 values.put(MODE, mode);
548 values.put(ATTRIBUTES, attributes.toString());
549 return values;
550 }
551
552 public int getMode() {
553 return this.mode;
554 }
555
556 public void setMode(int mode) {
557 this.mode = mode;
558 }
559
560 /**
561 * short for is Private and Non-anonymous
562 */
563 public boolean isSingleOrPrivateAndNonAnonymous() {
564 return mode == MODE_SINGLE || isPrivateAndNonAnonymous();
565 }
566
567 public boolean isPrivateAndNonAnonymous() {
568 return getMucOptions().isPrivateAndNonAnonymous();
569 }
570
571 public synchronized MucOptions getMucOptions() {
572 if (this.mucOptions == null) {
573 this.mucOptions = new MucOptions(this);
574 }
575 return this.mucOptions;
576 }
577
578 public void resetMucOptions() {
579 this.mucOptions = null;
580 }
581
582 public void setContactJid(final Jid jid) {
583 this.contactJid = jid;
584 }
585
586 public Jid getNextCounterpart() {
587 return this.nextCounterpart;
588 }
589
590 public void setNextCounterpart(Jid jid) {
591 this.nextCounterpart = jid;
592 }
593
594 public int getNextEncryption() {
595 final int defaultEncryption;
596 if (!Config.supportOmemo() && !Config.supportOpenPgp()) {
597 return Message.ENCRYPTION_NONE;
598 }
599 AxolotlService axolotlService = account.getAxolotlService();
600 if (contactJid.asBareJid().equals(Config.BUG_REPORTS)) {
601 defaultEncryption = Message.ENCRYPTION_NONE;
602 } else if (axolotlService != null && axolotlService.isConversationAxolotlCapable(this)) {
603 defaultEncryption = Message.ENCRYPTION_AXOLOTL;
604 } else {
605 defaultEncryption = Message.ENCRYPTION_NONE;
606 }
607 int encryption = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, defaultEncryption);
608 if (encryption == Message.ENCRYPTION_OTR || encryption < 0) {
609 return defaultEncryption;
610 } else {
611 return encryption;
612 }
613 }
614
615 public void setNextEncryption(int encryption) {
616 this.setAttribute(ATTRIBUTE_NEXT_ENCRYPTION, String.valueOf(encryption));
617 }
618
619 public String getNextMessage() {
620 final String nextMessage = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
621 return nextMessage == null ? "" : nextMessage;
622 }
623
624 public @Nullable
625 Draft getDraft() {
626 long timestamp = getLongAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, 0);
627 if (timestamp > getLatestMessage().getTimeSent()) {
628 String message = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
629 if (!TextUtils.isEmpty(message) && timestamp != 0) {
630 return new Draft(message, timestamp);
631 }
632 }
633 return null;
634 }
635
636 public boolean setNextMessage(String message) {
637 boolean changed = !getNextMessage().equals(message);
638 this.setAttribute(ATTRIBUTE_NEXT_MESSAGE, message);
639 if (changed) {
640 this.setAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, TextUtils.isEmpty(message) ? 0 : System.currentTimeMillis());
641 }
642 return changed;
643 }
644
645 public Bookmark getBookmark() {
646 return this.account.getBookmark(this.contactJid);
647 }
648
649 public Message findDuplicateMessage(Message message) {
650 synchronized (this.messages) {
651 for (int i = this.messages.size() - 1; i >= 0; --i) {
652 if (this.messages.get(i).similar(message)) {
653 return this.messages.get(i);
654 }
655 }
656 }
657 return null;
658 }
659
660 public boolean hasDuplicateMessage(Message message) {
661 return findDuplicateMessage(message) != null;
662 }
663
664 public Message findSentMessageWithBody(String body) {
665 synchronized (this.messages) {
666 for (int i = this.messages.size() - 1; i >= 0; --i) {
667 Message message = this.messages.get(i);
668 if (message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_SEND) {
669 String otherBody;
670 if (message.hasFileOnRemoteHost()) {
671 otherBody = message.getFileParams().url.toString();
672 } else {
673 otherBody = message.body;
674 }
675 if (otherBody != null && otherBody.equals(body)) {
676 return message;
677 }
678 }
679 }
680 return null;
681 }
682 }
683
684 public MamReference getLastMessageTransmitted() {
685 final MamReference lastClear = getLastClearHistory();
686 MamReference lastReceived = new MamReference(0);
687 synchronized (this.messages) {
688 for (int i = this.messages.size() - 1; i >= 0; --i) {
689 final Message message = this.messages.get(i);
690 if (message.getType() == Message.TYPE_PRIVATE) {
691 continue; //it's unsafe to use private messages as anchor. They could be coming from user archive
692 }
693 if (message.getStatus() == Message.STATUS_RECEIVED || message.isCarbon() || message.getServerMsgId() != null) {
694 lastReceived = new MamReference(message.getTimeSent(), message.getServerMsgId());
695 break;
696 }
697 }
698 }
699 return MamReference.max(lastClear, lastReceived);
700 }
701
702 public void setMutedTill(long value) {
703 this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
704 }
705
706 public boolean isMuted() {
707 return System.currentTimeMillis() < this.getLongAttribute(ATTRIBUTE_MUTED_TILL, 0);
708 }
709
710 public boolean alwaysNotify() {
711 return mode == MODE_SINGLE || getBooleanAttribute(ATTRIBUTE_ALWAYS_NOTIFY, Config.ALWAYS_NOTIFY_BY_DEFAULT || isPrivateAndNonAnonymous());
712 }
713
714 private boolean setAttribute(String key, long value) {
715 return setAttribute(key, Long.toString(value));
716 }
717
718 public boolean setAttribute(String key, String value) {
719 synchronized (this.attributes) {
720 try {
721 this.attributes.put(key, value == null ? "" : value);
722 return true;
723 } catch (JSONException e) {
724 return false;
725 }
726 }
727 }
728
729 public boolean setAttribute(String key, List<Jid> jids) {
730 JSONArray array = new JSONArray();
731 for (Jid jid : jids) {
732 array.put(jid.asBareJid().toString());
733 }
734 synchronized (this.attributes) {
735 try {
736 this.attributes.put(key, array);
737 return true;
738 } catch (JSONException e) {
739 e.printStackTrace();
740 return false;
741 }
742 }
743 }
744
745 public String getAttribute(String key) {
746 synchronized (this.attributes) {
747 try {
748 return this.attributes.getString(key);
749 } catch (JSONException e) {
750 return null;
751 }
752 }
753 }
754
755 private List<Jid> getJidListAttribute(String key) {
756 ArrayList<Jid> list = new ArrayList<>();
757 synchronized (this.attributes) {
758 try {
759 JSONArray array = this.attributes.getJSONArray(key);
760 for (int i = 0; i < array.length(); ++i) {
761 try {
762 list.add(Jid.of(array.getString(i)));
763 } catch (IllegalArgumentException e) {
764 //ignored
765 }
766 }
767 } catch (JSONException e) {
768 //ignored
769 }
770 }
771 return list;
772 }
773
774 private int getIntAttribute(String key, int defaultValue) {
775 String value = this.getAttribute(key);
776 if (value == null) {
777 return defaultValue;
778 } else {
779 try {
780 return Integer.parseInt(value);
781 } catch (NumberFormatException e) {
782 return defaultValue;
783 }
784 }
785 }
786
787 public long getLongAttribute(String key, long defaultValue) {
788 String value = this.getAttribute(key);
789 if (value == null) {
790 return defaultValue;
791 } else {
792 try {
793 return Long.parseLong(value);
794 } catch (NumberFormatException e) {
795 return defaultValue;
796 }
797 }
798 }
799
800 private boolean getBooleanAttribute(String key, boolean defaultValue) {
801 String value = this.getAttribute(key);
802 if (value == null) {
803 return defaultValue;
804 } else {
805 return Boolean.parseBoolean(value);
806 }
807 }
808
809 public void add(Message message) {
810 synchronized (this.messages) {
811 this.messages.add(message);
812 }
813 }
814
815 public void prepend(int offset, Message message) {
816 synchronized (this.messages) {
817 this.messages.add(Math.min(offset, this.messages.size()), message);
818 }
819 }
820
821 public void addAll(int index, List<Message> messages) {
822 synchronized (this.messages) {
823 this.messages.addAll(index, messages);
824 }
825 account.getPgpDecryptionService().decrypt(messages);
826 }
827
828 public void expireOldMessages(long timestamp) {
829 synchronized (this.messages) {
830 for (ListIterator<Message> iterator = this.messages.listIterator(); iterator.hasNext(); ) {
831 if (iterator.next().getTimeSent() < timestamp) {
832 iterator.remove();
833 }
834 }
835 untieMessages();
836 }
837 }
838
839 public void sort() {
840 synchronized (this.messages) {
841 Collections.sort(this.messages, (left, right) -> {
842 if (left.getTimeSent() < right.getTimeSent()) {
843 return -1;
844 } else if (left.getTimeSent() > right.getTimeSent()) {
845 return 1;
846 } else {
847 return 0;
848 }
849 });
850 untieMessages();
851 }
852 }
853
854 private void untieMessages() {
855 for (Message message : this.messages) {
856 message.untie();
857 }
858 }
859
860 public int unreadCount() {
861 synchronized (this.messages) {
862 int count = 0;
863 for (int i = this.messages.size() - 1; i >= 0; --i) {
864 if (this.messages.get(i).isRead()) {
865 return count;
866 }
867 ++count;
868 }
869 return count;
870 }
871 }
872
873 public int receivedMessagesCount() {
874 int count = 0;
875 synchronized (this.messages) {
876 for (Message message : messages) {
877 if (message.getStatus() == Message.STATUS_RECEIVED) {
878 ++count;
879 }
880 }
881 }
882 return count;
883 }
884
885 private int sentMessagesCount() {
886 int count = 0;
887 synchronized (this.messages) {
888 for (Message message : messages) {
889 if (message.getStatus() != Message.STATUS_RECEIVED) {
890 ++count;
891 }
892 }
893 }
894 return count;
895 }
896
897 public boolean isWithStranger() {
898 return mode == MODE_SINGLE
899 && !getJid().equals(Jid.ofDomain(account.getJid().getDomain()))
900 && !getContact().showInRoster()
901 && sentMessagesCount() == 0;
902 }
903
904 public interface OnMessageFound {
905 void onMessageFound(final Message message);
906 }
907
908 public static class Draft {
909 private final String message;
910 private final long timestamp;
911
912 private Draft(String message, long timestamp) {
913 this.message = message;
914 this.timestamp = timestamp;
915 }
916
917 public long getTimestamp() {
918 return timestamp;
919 }
920
921 public String getMessage() {
922 return message;
923 }
924 }
925}