Conversation.java

   1package eu.siacs.conversations.entities;
   2
   3import android.content.ContentValues;
   4import android.database.Cursor;
   5import android.text.TextUtils;
   6
   7import androidx.annotation.NonNull;
   8import androidx.annotation.Nullable;
   9
  10import com.google.common.collect.ComparisonChain;
  11import com.google.common.collect.Lists;
  12
  13import org.json.JSONArray;
  14import org.json.JSONException;
  15import org.json.JSONObject;
  16
  17import java.util.ArrayList;
  18import java.util.Collections;
  19import java.util.Iterator;
  20import java.util.List;
  21import java.util.ListIterator;
  22import java.util.concurrent.atomic.AtomicBoolean;
  23
  24import eu.siacs.conversations.Config;
  25import eu.siacs.conversations.crypto.OmemoSetting;
  26import eu.siacs.conversations.crypto.PgpDecryptionService;
  27import eu.siacs.conversations.persistance.DatabaseBackend;
  28import eu.siacs.conversations.services.AvatarService;
  29import eu.siacs.conversations.services.QuickConversationsService;
  30import eu.siacs.conversations.utils.JidHelper;
  31import eu.siacs.conversations.utils.MessageUtils;
  32import eu.siacs.conversations.utils.UIHelper;
  33import eu.siacs.conversations.xml.Namespace;
  34import eu.siacs.conversations.xmpp.Jid;
  35import eu.siacs.conversations.xmpp.chatstate.ChatState;
  36import eu.siacs.conversations.xmpp.mam.MamReference;
  37
  38import static eu.siacs.conversations.entities.Bookmark.printableValue;
  39
  40
  41public class Conversation extends AbstractEntity implements Blockable, Comparable<Conversation>, Conversational, AvatarService.Avatarable {
  42    public static final String TABLENAME = "conversations";
  43
  44    public static final int STATUS_AVAILABLE = 0;
  45    public static final int STATUS_ARCHIVED = 1;
  46
  47    public static final String NAME = "name";
  48    public static final String ACCOUNT = "accountUuid";
  49    public static final String CONTACT = "contactUuid";
  50    public static final String CONTACTJID = "contactJid";
  51    public static final String STATUS = "status";
  52    public static final String CREATED = "created";
  53    public static final String MODE = "mode";
  54    public static final String ATTRIBUTES = "attributes";
  55
  56    public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
  57    public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
  58    public static final String ATTRIBUTE_LAST_CLEAR_HISTORY = "last_clear_history";
  59    public static final String ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS = "formerly_private_non_anonymous";
  60    public static final String ATTRIBUTE_PINNED_ON_TOP = "pinned_on_top";
  61    static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
  62    static final String ATTRIBUTE_MEMBERS_ONLY = "members_only";
  63    static final String ATTRIBUTE_MODERATED = "moderated";
  64    static final String ATTRIBUTE_NON_ANONYMOUS = "non_anonymous";
  65    private static final String ATTRIBUTE_NEXT_MESSAGE = "next_message";
  66    private static final String ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP = "next_message_timestamp";
  67    private static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
  68    private static final String ATTRIBUTE_NEXT_ENCRYPTION = "next_encryption";
  69    private static final String ATTRIBUTE_CORRECTING_MESSAGE = "correcting_message";
  70    protected final ArrayList<Message> messages = new ArrayList<>();
  71    public AtomicBoolean messagesLoaded = new AtomicBoolean(true);
  72    protected Account account = null;
  73    private String draftMessage;
  74    private final String name;
  75    private final String contactUuid;
  76    private final String accountUuid;
  77    private Jid contactJid;
  78    private int status;
  79    private final long created;
  80    private int mode;
  81    private JSONObject attributes;
  82    private Jid nextCounterpart;
  83    private transient MucOptions mucOptions = null;
  84    private boolean messagesLeftOnServer = true;
  85    private ChatState mOutgoingChatState = Config.DEFAULT_CHAT_STATE;
  86    private ChatState mIncomingChatState = Config.DEFAULT_CHAT_STATE;
  87    private String mFirstMamReference = null;
  88    protected int mCurrentTab = -1;
  89
  90    public Conversation(final String name, final Account account, final Jid contactJid,
  91                        final int mode) {
  92        this(java.util.UUID.randomUUID().toString(), name, null, account
  93                        .getUuid(), contactJid, System.currentTimeMillis(),
  94                STATUS_AVAILABLE, mode, "");
  95        this.account = account;
  96    }
  97
  98    public Conversation(final String uuid, final String name, final String contactUuid,
  99                        final String accountUuid, final Jid contactJid, final long created, final int status,
 100                        final int mode, final String attributes) {
 101        this.uuid = uuid;
 102        this.name = name;
 103        this.contactUuid = contactUuid;
 104        this.accountUuid = accountUuid;
 105        this.contactJid = contactJid;
 106        this.created = created;
 107        this.status = status;
 108        this.mode = mode;
 109        try {
 110            this.attributes = new JSONObject(attributes == null ? "" : attributes);
 111        } catch (JSONException e) {
 112            this.attributes = new JSONObject();
 113        }
 114    }
 115
 116    public static Conversation fromCursor(Cursor cursor) {
 117        return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
 118                cursor.getString(cursor.getColumnIndex(NAME)),
 119                cursor.getString(cursor.getColumnIndex(CONTACT)),
 120                cursor.getString(cursor.getColumnIndex(ACCOUNT)),
 121                JidHelper.parseOrFallbackToInvalid(cursor.getString(cursor.getColumnIndex(CONTACTJID))),
 122                cursor.getLong(cursor.getColumnIndex(CREATED)),
 123                cursor.getInt(cursor.getColumnIndex(STATUS)),
 124                cursor.getInt(cursor.getColumnIndex(MODE)),
 125                cursor.getString(cursor.getColumnIndex(ATTRIBUTES)));
 126    }
 127
 128    public static Message getLatestMarkableMessage(final List<Message> messages, boolean isPrivateAndNonAnonymousMuc) {
 129        for (int i = messages.size() - 1; i >= 0; --i) {
 130            final Message message = messages.get(i);
 131            if (message.getStatus() <= Message.STATUS_RECEIVED
 132                    && (message.markable || isPrivateAndNonAnonymousMuc)
 133                    && !message.isPrivateMessage()) {
 134                return message;
 135            }
 136        }
 137        return null;
 138    }
 139
 140    private static boolean suitableForOmemoByDefault(final Conversation conversation) {
 141        if (conversation.getJid().asBareJid().equals(Config.BUG_REPORTS)) {
 142            return false;
 143        }
 144        if (conversation.getContact().isOwnServer()) {
 145            return false;
 146        }
 147        final String contact = conversation.getJid().getDomain().toEscapedString();
 148        final String account = conversation.getAccount().getServer();
 149        if (Config.OMEMO_EXCEPTIONS.matchesContactDomain(contact) || Config.OMEMO_EXCEPTIONS.ACCOUNT_DOMAINS.contains(account)) {
 150            return false;
 151        }
 152        return conversation.isSingleOrPrivateAndNonAnonymous() || conversation.getBooleanAttribute(ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, false);
 153    }
 154
 155    public boolean hasMessagesLeftOnServer() {
 156        return messagesLeftOnServer;
 157    }
 158
 159    public void setHasMessagesLeftOnServer(boolean value) {
 160        this.messagesLeftOnServer = value;
 161    }
 162
 163    public Message getFirstUnreadMessage() {
 164        Message first = null;
 165        synchronized (this.messages) {
 166            for (int i = messages.size() - 1; i >= 0; --i) {
 167                if (messages.get(i).isRead()) {
 168                    return first;
 169                } else {
 170                    first = messages.get(i);
 171                }
 172            }
 173        }
 174        return first;
 175    }
 176
 177    public String findMostRecentRemoteDisplayableId() {
 178        final boolean multi = mode == Conversation.MODE_MULTI;
 179        synchronized (this.messages) {
 180            for (final Message message : Lists.reverse(this.messages)) {
 181                if (message.getStatus() == Message.STATUS_RECEIVED) {
 182                    final String serverMsgId = message.getServerMsgId();
 183                    if (serverMsgId != null && multi) {
 184                        return serverMsgId;
 185                    }
 186                    return message.getRemoteMsgId();
 187                }
 188            }
 189        }
 190        return null;
 191    }
 192
 193    public int countFailedDeliveries() {
 194        int count = 0;
 195        synchronized (this.messages) {
 196            for(final Message message : this.messages) {
 197                if (message.getStatus() == Message.STATUS_SEND_FAILED) {
 198                    ++count;
 199                }
 200            }
 201        }
 202        return count;
 203    }
 204
 205    public Message getLastEditableMessage() {
 206        synchronized (this.messages) {
 207            for (final Message message : Lists.reverse(this.messages)) {
 208                if (message.isEditable()) {
 209                    if (message.isGeoUri() || message.getType() != Message.TYPE_TEXT) {
 210                        return null;
 211                    }
 212                    return message;
 213                }
 214            }
 215        }
 216        return null;
 217    }
 218
 219
 220    public Message findUnsentMessageWithUuid(String uuid) {
 221        synchronized (this.messages) {
 222            for (final Message message : this.messages) {
 223                final int s = message.getStatus();
 224                if ((s == Message.STATUS_UNSEND || s == Message.STATUS_WAITING) && message.getUuid().equals(uuid)) {
 225                    return message;
 226                }
 227            }
 228        }
 229        return null;
 230    }
 231
 232    public void findWaitingMessages(OnMessageFound onMessageFound) {
 233        final ArrayList<Message> results = new ArrayList<>();
 234        synchronized (this.messages) {
 235            for (Message message : this.messages) {
 236                if (message.getStatus() == Message.STATUS_WAITING) {
 237                    results.add(message);
 238                }
 239            }
 240        }
 241        for (Message result : results) {
 242            onMessageFound.onMessageFound(result);
 243        }
 244    }
 245
 246    public void findUnreadMessagesAndCalls(OnMessageFound onMessageFound) {
 247        final ArrayList<Message> results = new ArrayList<>();
 248        synchronized (this.messages) {
 249            for (final Message message : this.messages) {
 250                if (message.isRead()) {
 251                    continue;
 252                }
 253                results.add(message);
 254            }
 255        }
 256        for (final Message result : results) {
 257            onMessageFound.onMessageFound(result);
 258        }
 259    }
 260
 261    public Message findMessageWithFileAndUuid(final String uuid) {
 262        synchronized (this.messages) {
 263            for (final Message message : this.messages) {
 264                final Transferable transferable = message.getTransferable();
 265                final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
 266                if (message.getUuid().equals(uuid)
 267                        && message.getEncryption() != Message.ENCRYPTION_PGP
 268                        && (message.isFileOrImage() || message.treatAsDownloadable() || unInitiatedButKnownSize || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING))) {
 269                    return message;
 270                }
 271            }
 272        }
 273        return null;
 274    }
 275
 276    public Message findMessageWithUuid(final String uuid) {
 277        synchronized (this.messages) {
 278            for (final Message message : this.messages) {
 279                if (message.getUuid().equals(uuid)) {
 280                    return message;
 281                }
 282            }
 283        }
 284        return null;
 285    }
 286
 287    public boolean markAsDeleted(final List<String> uuids) {
 288        boolean deleted = false;
 289        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 290        synchronized (this.messages) {
 291            for (Message message : this.messages) {
 292                if (uuids.contains(message.getUuid())) {
 293                    message.setDeleted(true);
 294                    deleted = true;
 295                    if (message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 296                        pgpDecryptionService.discard(message);
 297                    }
 298                }
 299            }
 300        }
 301        return deleted;
 302    }
 303
 304    public boolean markAsChanged(final List<DatabaseBackend.FilePathInfo> files) {
 305        boolean changed = false;
 306        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 307        synchronized (this.messages) {
 308            for (Message message : this.messages) {
 309                for (final DatabaseBackend.FilePathInfo file : files)
 310                    if (file.uuid.toString().equals(message.getUuid())) {
 311                        message.setDeleted(file.deleted);
 312                        changed = true;
 313                        if (file.deleted && message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 314                            pgpDecryptionService.discard(message);
 315                        }
 316                    }
 317            }
 318        }
 319        return changed;
 320    }
 321
 322    public void clearMessages() {
 323        synchronized (this.messages) {
 324            this.messages.clear();
 325        }
 326    }
 327
 328    public boolean setIncomingChatState(ChatState state) {
 329        if (this.mIncomingChatState == state) {
 330            return false;
 331        }
 332        this.mIncomingChatState = state;
 333        return true;
 334    }
 335
 336    public ChatState getIncomingChatState() {
 337        return this.mIncomingChatState;
 338    }
 339
 340    public boolean setOutgoingChatState(ChatState state) {
 341        if (mode == MODE_SINGLE && !getContact().isSelf() || (isPrivateAndNonAnonymous() && getNextCounterpart() == null)) {
 342            if (this.mOutgoingChatState != state) {
 343                this.mOutgoingChatState = state;
 344                return true;
 345            }
 346        }
 347        return false;
 348    }
 349
 350    public ChatState getOutgoingChatState() {
 351        return this.mOutgoingChatState;
 352    }
 353
 354    public void trim() {
 355        synchronized (this.messages) {
 356            final int size = messages.size();
 357            final int maxsize = Config.PAGE_SIZE * Config.MAX_NUM_PAGES;
 358            if (size > maxsize) {
 359                List<Message> discards = this.messages.subList(0, size - maxsize);
 360                final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 361                if (pgpDecryptionService != null) {
 362                    pgpDecryptionService.discard(discards);
 363                }
 364                discards.clear();
 365                untieMessages();
 366            }
 367        }
 368    }
 369
 370    public void findUnsentTextMessages(OnMessageFound onMessageFound) {
 371        final ArrayList<Message> results = new ArrayList<>();
 372        synchronized (this.messages) {
 373            for (Message message : this.messages) {
 374                if ((message.getType() == Message.TYPE_TEXT || message.hasFileOnRemoteHost()) && message.getStatus() == Message.STATUS_UNSEND) {
 375                    results.add(message);
 376                }
 377            }
 378        }
 379        for (Message result : results) {
 380            onMessageFound.onMessageFound(result);
 381        }
 382    }
 383
 384    public Message findSentMessageWithUuidOrRemoteId(String id) {
 385        synchronized (this.messages) {
 386            for (Message message : this.messages) {
 387                if (id.equals(message.getUuid())
 388                        || (message.getStatus() >= Message.STATUS_SEND
 389                        && id.equals(message.getRemoteMsgId()))) {
 390                    return message;
 391                }
 392            }
 393        }
 394        return null;
 395    }
 396
 397    public Message findMessageWithRemoteIdAndCounterpart(String id, Jid counterpart, boolean received, boolean carbon) {
 398        synchronized (this.messages) {
 399            for (int i = this.messages.size() - 1; i >= 0; --i) {
 400                final Message message = messages.get(i);
 401                final Jid mcp = message.getCounterpart();
 402                if (mcp == null) {
 403                    continue;
 404                }
 405                if (mcp.equals(counterpart) && ((message.getStatus() == Message.STATUS_RECEIVED) == received)
 406                        && (carbon == message.isCarbon() || received)) {
 407                    final boolean idMatch = id.equals(message.getRemoteMsgId()) || message.remoteMsgIdMatchInEdit(id);
 408                    if (idMatch && !message.isFileOrImage() && !message.treatAsDownloadable()) {
 409                        return message;
 410                    } else {
 411                        return null;
 412                    }
 413                }
 414            }
 415        }
 416        return null;
 417    }
 418
 419    public Message findSentMessageWithUuid(String id) {
 420        synchronized (this.messages) {
 421            for (Message message : this.messages) {
 422                if (id.equals(message.getUuid())) {
 423                    return message;
 424                }
 425            }
 426        }
 427        return null;
 428    }
 429
 430    public Message findMessageWithRemoteId(String id, Jid counterpart) {
 431        synchronized (this.messages) {
 432            for (Message message : this.messages) {
 433                if (counterpart.equals(message.getCounterpart())
 434                        && (id.equals(message.getRemoteMsgId()) || id.equals(message.getUuid()))) {
 435                    return message;
 436                }
 437            }
 438        }
 439        return null;
 440    }
 441
 442    public Message findMessageWithServerMsgId(String id) {
 443        synchronized (this.messages) {
 444            for (Message message : this.messages) {
 445                if (id != null && id.equals(message.getServerMsgId())) {
 446                    return message;
 447                }
 448            }
 449        }
 450        return null;
 451    }
 452
 453    public boolean hasMessageWithCounterpart(Jid counterpart) {
 454        synchronized (this.messages) {
 455            for (Message message : this.messages) {
 456                if (counterpart.equals(message.getCounterpart())) {
 457                    return true;
 458                }
 459            }
 460        }
 461        return false;
 462    }
 463
 464    public void populateWithMessages(final List<Message> messages) {
 465        synchronized (this.messages) {
 466            messages.clear();
 467            messages.addAll(this.messages);
 468        }
 469        for (Iterator<Message> iterator = messages.iterator(); iterator.hasNext(); ) {
 470            if (iterator.next().wasMergedIntoPrevious()) {
 471                iterator.remove();
 472            }
 473        }
 474    }
 475
 476    @Override
 477    public boolean isBlocked() {
 478        return getContact().isBlocked();
 479    }
 480
 481    @Override
 482    public boolean isDomainBlocked() {
 483        return getContact().isDomainBlocked();
 484    }
 485
 486    @Override
 487    public Jid getBlockedJid() {
 488        return getContact().getBlockedJid();
 489    }
 490
 491    public int countMessages() {
 492        synchronized (this.messages) {
 493            return this.messages.size();
 494        }
 495    }
 496
 497    public String getFirstMamReference() {
 498        return this.mFirstMamReference;
 499    }
 500
 501    public void setFirstMamReference(String reference) {
 502        this.mFirstMamReference = reference;
 503    }
 504
 505    public void setLastClearHistory(long time, String reference) {
 506        if (reference != null) {
 507            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time + ":" + reference);
 508        } else {
 509            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time);
 510        }
 511    }
 512
 513    public MamReference getLastClearHistory() {
 514        return MamReference.fromAttribute(getAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY));
 515    }
 516
 517    public List<Jid> getAcceptedCryptoTargets() {
 518        if (mode == MODE_SINGLE) {
 519            return Collections.singletonList(getJid().asBareJid());
 520        } else {
 521            return getJidListAttribute(ATTRIBUTE_CRYPTO_TARGETS);
 522        }
 523    }
 524
 525    public void setAcceptedCryptoTargets(List<Jid> acceptedTargets) {
 526        setAttribute(ATTRIBUTE_CRYPTO_TARGETS, acceptedTargets);
 527    }
 528
 529    public boolean setCorrectingMessage(Message correctingMessage) {
 530        setAttribute(ATTRIBUTE_CORRECTING_MESSAGE, correctingMessage == null ? null : correctingMessage.getUuid());
 531        return correctingMessage == null && draftMessage != null;
 532    }
 533
 534    public Message getCorrectingMessage() {
 535        final String uuid = getAttribute(ATTRIBUTE_CORRECTING_MESSAGE);
 536        return uuid == null ? null : findSentMessageWithUuid(uuid);
 537    }
 538
 539    public boolean withSelf() {
 540        return getContact().isSelf();
 541    }
 542
 543    @Override
 544    public int compareTo(@NonNull Conversation another) {
 545        return ComparisonChain.start()
 546                .compareFalseFirst(another.getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false), getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false))
 547                .compare(another.getSortableTime(), getSortableTime())
 548                .result();
 549    }
 550
 551    private long getSortableTime() {
 552        Draft draft = getDraft();
 553        long messageTime = getLatestMessage().getTimeSent();
 554        if (draft == null) {
 555            return messageTime;
 556        } else {
 557            return Math.max(messageTime, draft.getTimestamp());
 558        }
 559    }
 560
 561    public String getDraftMessage() {
 562        return draftMessage;
 563    }
 564
 565    public void setDraftMessage(String draftMessage) {
 566        this.draftMessage = draftMessage;
 567    }
 568
 569    public boolean isRead() {
 570        synchronized (this.messages) {
 571            for(final Message message : Lists.reverse(this.messages)) {
 572                if (message.isRead() && message.getType() == Message.TYPE_RTP_SESSION) {
 573                    continue;
 574                }
 575                return message.isRead();
 576            }
 577            return true;
 578        }
 579    }
 580
 581    public List<Message> markRead(String upToUuid) {
 582        final List<Message> unread = new ArrayList<>();
 583        synchronized (this.messages) {
 584            for (Message message : this.messages) {
 585                if (!message.isRead()) {
 586                    message.markRead();
 587                    unread.add(message);
 588                }
 589                if (message.getUuid().equals(upToUuid)) {
 590                    return unread;
 591                }
 592            }
 593        }
 594        return unread;
 595    }
 596
 597    public Message getLatestMessage() {
 598        synchronized (this.messages) {
 599            if (this.messages.size() == 0) {
 600                Message message = new Message(this, "", Message.ENCRYPTION_NONE);
 601                message.setType(Message.TYPE_STATUS);
 602                message.setTime(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
 603                return message;
 604            } else {
 605                return this.messages.get(this.messages.size() - 1);
 606            }
 607        }
 608    }
 609
 610    public @NonNull
 611    CharSequence getName() {
 612        if (getMode() == MODE_MULTI) {
 613            final String roomName = getMucOptions().getName();
 614            final String subject = getMucOptions().getSubject();
 615            final Bookmark bookmark = getBookmark();
 616            final String bookmarkName = bookmark != null ? bookmark.getBookmarkName() : null;
 617            if (printableValue(roomName)) {
 618                return roomName;
 619            } else if (printableValue(subject)) {
 620                return subject;
 621            } else if (printableValue(bookmarkName, false)) {
 622                return bookmarkName;
 623            } else {
 624                final String generatedName = getMucOptions().createNameFromParticipants();
 625                if (printableValue(generatedName)) {
 626                    return generatedName;
 627                } else {
 628                    return contactJid.getLocal() != null ? contactJid.getLocal() : contactJid;
 629                }
 630            }
 631        } else if ((QuickConversationsService.isConversations() || !Config.QUICKSY_DOMAIN.equals(contactJid.getDomain())) && isWithStranger()) {
 632            return contactJid;
 633        } else {
 634            return this.getContact().getDisplayName();
 635        }
 636    }
 637
 638    public String getAccountUuid() {
 639        return this.accountUuid;
 640    }
 641
 642    public Account getAccount() {
 643        return this.account;
 644    }
 645
 646    public void setAccount(final Account account) {
 647        this.account = account;
 648    }
 649
 650    public Contact getContact() {
 651        return this.account.getRoster().getContact(this.contactJid);
 652    }
 653
 654    @Override
 655    public Jid getJid() {
 656        return this.contactJid;
 657    }
 658
 659    public int getStatus() {
 660        return this.status;
 661    }
 662
 663    public void setStatus(int status) {
 664        this.status = status;
 665    }
 666
 667    public long getCreated() {
 668        return this.created;
 669    }
 670
 671    public ContentValues getContentValues() {
 672        ContentValues values = new ContentValues();
 673        values.put(UUID, uuid);
 674        values.put(NAME, name);
 675        values.put(CONTACT, contactUuid);
 676        values.put(ACCOUNT, accountUuid);
 677        values.put(CONTACTJID, contactJid.toString());
 678        values.put(CREATED, created);
 679        values.put(STATUS, status);
 680        values.put(MODE, mode);
 681        synchronized (this.attributes) {
 682            values.put(ATTRIBUTES, attributes.toString());
 683        }
 684        return values;
 685    }
 686
 687    public int getMode() {
 688        return this.mode;
 689    }
 690
 691    public void setMode(int mode) {
 692        this.mode = mode;
 693    }
 694
 695    /**
 696     * short for is Private and Non-anonymous
 697     */
 698    public boolean isSingleOrPrivateAndNonAnonymous() {
 699        return mode == MODE_SINGLE || isPrivateAndNonAnonymous();
 700    }
 701
 702    public boolean isPrivateAndNonAnonymous() {
 703        return getMucOptions().isPrivateAndNonAnonymous();
 704    }
 705
 706    public synchronized MucOptions getMucOptions() {
 707        if (this.mucOptions == null) {
 708            this.mucOptions = new MucOptions(this);
 709        }
 710        return this.mucOptions;
 711    }
 712
 713    public void resetMucOptions() {
 714        this.mucOptions = null;
 715    }
 716
 717    public void setContactJid(final Jid jid) {
 718        this.contactJid = jid;
 719    }
 720
 721    public Jid getNextCounterpart() {
 722        return this.nextCounterpart;
 723    }
 724
 725    public void setNextCounterpart(Jid jid) {
 726        this.nextCounterpart = jid;
 727    }
 728
 729    public int getNextEncryption() {
 730        if (!Config.supportOmemo() && !Config.supportOpenPgp()) {
 731            return Message.ENCRYPTION_NONE;
 732        }
 733        if (OmemoSetting.isAlways()) {
 734            return suitableForOmemoByDefault(this) ? Message.ENCRYPTION_AXOLOTL : Message.ENCRYPTION_NONE;
 735        }
 736        final int defaultEncryption;
 737        if (suitableForOmemoByDefault(this)) {
 738            defaultEncryption = OmemoSetting.getEncryption();
 739        } else {
 740            defaultEncryption = Message.ENCRYPTION_NONE;
 741        }
 742        int encryption = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, defaultEncryption);
 743        if (encryption == Message.ENCRYPTION_OTR || encryption < 0) {
 744            return defaultEncryption;
 745        } else {
 746            return encryption;
 747        }
 748    }
 749
 750    public boolean setNextEncryption(int encryption) {
 751        return this.setAttribute(ATTRIBUTE_NEXT_ENCRYPTION, encryption);
 752    }
 753
 754    public String getNextMessage() {
 755        final String nextMessage = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
 756        return nextMessage == null ? "" : nextMessage;
 757    }
 758
 759    public @Nullable
 760    Draft getDraft() {
 761        long timestamp = getLongAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, 0);
 762        if (timestamp > getLatestMessage().getTimeSent()) {
 763            String message = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
 764            if (!TextUtils.isEmpty(message) && timestamp != 0) {
 765                return new Draft(message, timestamp);
 766            }
 767        }
 768        return null;
 769    }
 770
 771    public boolean setNextMessage(final String input) {
 772        final String message = input == null || input.trim().isEmpty() ? null : input;
 773        boolean changed = !getNextMessage().equals(message);
 774        this.setAttribute(ATTRIBUTE_NEXT_MESSAGE, message);
 775        if (changed) {
 776            this.setAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, message == null ? 0 : System.currentTimeMillis());
 777        }
 778        return changed;
 779    }
 780
 781    public Bookmark getBookmark() {
 782        return this.account.getBookmark(this.contactJid);
 783    }
 784
 785    public Message findDuplicateMessage(Message message) {
 786        synchronized (this.messages) {
 787            for (int i = this.messages.size() - 1; i >= 0; --i) {
 788                if (this.messages.get(i).similar(message)) {
 789                    return this.messages.get(i);
 790                }
 791            }
 792        }
 793        return null;
 794    }
 795
 796    public boolean hasDuplicateMessage(Message message) {
 797        return findDuplicateMessage(message) != null;
 798    }
 799
 800    public Message findSentMessageWithBody(String body) {
 801        synchronized (this.messages) {
 802            for (int i = this.messages.size() - 1; i >= 0; --i) {
 803                Message message = this.messages.get(i);
 804                if (message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_SEND) {
 805                    String otherBody;
 806                    if (message.hasFileOnRemoteHost()) {
 807                        otherBody = message.getFileParams().url;
 808                    } else {
 809                        otherBody = message.body;
 810                    }
 811                    if (otherBody != null && otherBody.equals(body)) {
 812                        return message;
 813                    }
 814                }
 815            }
 816            return null;
 817        }
 818    }
 819
 820    public Message findRtpSession(final String sessionId, final int s) {
 821        synchronized (this.messages) {
 822            for (int i = this.messages.size() - 1; i >= 0; --i) {
 823                final Message message = this.messages.get(i);
 824                if ((message.getStatus() == s) && (message.getType() == Message.TYPE_RTP_SESSION) && sessionId.equals(message.getRemoteMsgId())) {
 825                    return message;
 826                }
 827            }
 828        }
 829        return null;
 830    }
 831
 832    public boolean possibleDuplicate(final String serverMsgId, final String remoteMsgId) {
 833        if (serverMsgId == null || remoteMsgId == null) {
 834            return false;
 835        }
 836        synchronized (this.messages) {
 837            for (Message message : this.messages) {
 838                if (serverMsgId.equals(message.getServerMsgId()) || remoteMsgId.equals(message.getRemoteMsgId())) {
 839                    return true;
 840                }
 841            }
 842        }
 843        return false;
 844    }
 845
 846    public MamReference getLastMessageTransmitted() {
 847        final MamReference lastClear = getLastClearHistory();
 848        MamReference lastReceived = new MamReference(0);
 849        synchronized (this.messages) {
 850            for (int i = this.messages.size() - 1; i >= 0; --i) {
 851                final Message message = this.messages.get(i);
 852                if (message.isPrivateMessage()) {
 853                    continue; //it's unsafe to use private messages as anchor. They could be coming from user archive
 854                }
 855                if (message.getStatus() == Message.STATUS_RECEIVED || message.isCarbon() || message.getServerMsgId() != null) {
 856                    lastReceived = new MamReference(message.getTimeSent(), message.getServerMsgId());
 857                    break;
 858                }
 859            }
 860        }
 861        return MamReference.max(lastClear, lastReceived);
 862    }
 863
 864    public void setMutedTill(long value) {
 865        this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
 866    }
 867
 868    public boolean isMuted() {
 869        return System.currentTimeMillis() < this.getLongAttribute(ATTRIBUTE_MUTED_TILL, 0);
 870    }
 871
 872    public boolean alwaysNotify() {
 873        return mode == MODE_SINGLE || getBooleanAttribute(ATTRIBUTE_ALWAYS_NOTIFY, Config.ALWAYS_NOTIFY_BY_DEFAULT || isPrivateAndNonAnonymous());
 874    }
 875
 876    public boolean setAttribute(String key, boolean value) {
 877        return setAttribute(key, String.valueOf(value));
 878    }
 879
 880    private boolean setAttribute(String key, long value) {
 881        return setAttribute(key, Long.toString(value));
 882    }
 883
 884    private boolean setAttribute(String key, int value) {
 885        return setAttribute(key, String.valueOf(value));
 886    }
 887
 888    public boolean setAttribute(String key, String value) {
 889        synchronized (this.attributes) {
 890            try {
 891                if (value == null) {
 892                    if (this.attributes.has(key)) {
 893                        this.attributes.remove(key);
 894                        return true;
 895                    } else {
 896                        return false;
 897                    }
 898                } else {
 899                    final String prev = this.attributes.optString(key, null);
 900                    this.attributes.put(key, value);
 901                    return !value.equals(prev);
 902                }
 903            } catch (JSONException e) {
 904                throw new AssertionError(e);
 905            }
 906        }
 907    }
 908
 909    public boolean setAttribute(String key, List<Jid> jids) {
 910        JSONArray array = new JSONArray();
 911        for (Jid jid : jids) {
 912            array.put(jid.asBareJid().toString());
 913        }
 914        synchronized (this.attributes) {
 915            try {
 916                this.attributes.put(key, array);
 917                return true;
 918            } catch (JSONException e) {
 919                return false;
 920            }
 921        }
 922    }
 923
 924    public String getAttribute(String key) {
 925        synchronized (this.attributes) {
 926            return this.attributes.optString(key, null);
 927        }
 928    }
 929
 930    private List<Jid> getJidListAttribute(String key) {
 931        ArrayList<Jid> list = new ArrayList<>();
 932        synchronized (this.attributes) {
 933            try {
 934                JSONArray array = this.attributes.getJSONArray(key);
 935                for (int i = 0; i < array.length(); ++i) {
 936                    try {
 937                        list.add(Jid.of(array.getString(i)));
 938                    } catch (IllegalArgumentException e) {
 939                        //ignored
 940                    }
 941                }
 942            } catch (JSONException e) {
 943                //ignored
 944            }
 945        }
 946        return list;
 947    }
 948
 949    private int getIntAttribute(String key, int defaultValue) {
 950        String value = this.getAttribute(key);
 951        if (value == null) {
 952            return defaultValue;
 953        } else {
 954            try {
 955                return Integer.parseInt(value);
 956            } catch (NumberFormatException e) {
 957                return defaultValue;
 958            }
 959        }
 960    }
 961
 962    public long getLongAttribute(String key, long defaultValue) {
 963        String value = this.getAttribute(key);
 964        if (value == null) {
 965            return defaultValue;
 966        } else {
 967            try {
 968                return Long.parseLong(value);
 969            } catch (NumberFormatException e) {
 970                return defaultValue;
 971            }
 972        }
 973    }
 974
 975    public boolean getBooleanAttribute(String key, boolean defaultValue) {
 976        String value = this.getAttribute(key);
 977        if (value == null) {
 978            return defaultValue;
 979        } else {
 980            return Boolean.parseBoolean(value);
 981        }
 982    }
 983
 984    public void add(Message message) {
 985        synchronized (this.messages) {
 986            this.messages.add(message);
 987        }
 988    }
 989
 990    public void prepend(int offset, Message message) {
 991        synchronized (this.messages) {
 992            this.messages.add(Math.min(offset, this.messages.size()), message);
 993        }
 994    }
 995
 996    public void addAll(int index, List<Message> messages) {
 997        synchronized (this.messages) {
 998            this.messages.addAll(index, messages);
 999        }
1000        account.getPgpDecryptionService().decrypt(messages);
1001    }
1002
1003    public void expireOldMessages(long timestamp) {
1004        synchronized (this.messages) {
1005            for (ListIterator<Message> iterator = this.messages.listIterator(); iterator.hasNext(); ) {
1006                if (iterator.next().getTimeSent() < timestamp) {
1007                    iterator.remove();
1008                }
1009            }
1010            untieMessages();
1011        }
1012    }
1013
1014    public void sort() {
1015        synchronized (this.messages) {
1016            Collections.sort(this.messages, (left, right) -> {
1017                if (left.getTimeSent() < right.getTimeSent()) {
1018                    return -1;
1019                } else if (left.getTimeSent() > right.getTimeSent()) {
1020                    return 1;
1021                } else {
1022                    return 0;
1023                }
1024            });
1025            untieMessages();
1026        }
1027    }
1028
1029    private void untieMessages() {
1030        for (Message message : this.messages) {
1031            message.untie();
1032        }
1033    }
1034
1035    public int unreadCount() {
1036        synchronized (this.messages) {
1037            int count = 0;
1038            for(final Message message : Lists.reverse(this.messages)) {
1039                if (message.isRead()) {
1040                    if (message.getType() == Message.TYPE_RTP_SESSION) {
1041                        continue;
1042                    }
1043                    return count;
1044                }
1045                ++count;
1046            }
1047            return count;
1048        }
1049    }
1050
1051    public int receivedMessagesCount() {
1052        int count = 0;
1053        synchronized (this.messages) {
1054            for (Message message : messages) {
1055                if (message.getStatus() == Message.STATUS_RECEIVED) {
1056                    ++count;
1057                }
1058            }
1059        }
1060        return count;
1061    }
1062
1063    public int sentMessagesCount() {
1064        int count = 0;
1065        synchronized (this.messages) {
1066            for (Message message : messages) {
1067                if (message.getStatus() != Message.STATUS_RECEIVED) {
1068                    ++count;
1069                }
1070            }
1071        }
1072        return count;
1073    }
1074
1075    public boolean isWithStranger() {
1076        final Contact contact = getContact();
1077        return mode == MODE_SINGLE
1078                && !contact.isOwnServer()
1079                && !contact.showInContactList()
1080                && !contact.isSelf()
1081                && !(contact.getJid().isDomainJid() && JidHelper.isQuicksyDomain(contact.getJid()))
1082                && sentMessagesCount() == 0;
1083    }
1084
1085    public int getReceivedMessagesCountSinceUuid(String uuid) {
1086        if (uuid == null) {
1087            return 0;
1088        }
1089        int count = 0;
1090        synchronized (this.messages) {
1091            for (int i = messages.size() - 1; i >= 0; i--) {
1092                final Message message = messages.get(i);
1093                if (uuid.equals(message.getUuid())) {
1094                    return count;
1095                }
1096                if (message.getStatus() <= Message.STATUS_RECEIVED) {
1097                    ++count;
1098                }
1099            }
1100        }
1101        return 0;
1102    }
1103
1104    @Override
1105    public int getAvatarBackgroundColor() {
1106        return UIHelper.getColorForName(getName().toString());
1107    }
1108
1109    @Override
1110    public String getAvatarName() {
1111        return getName().toString();
1112    }
1113
1114    public void setCurrentTab(int tab) {
1115        mCurrentTab = tab;
1116    }
1117
1118    public int getCurrentTab() {
1119        if (mCurrentTab >= 0) return mCurrentTab;
1120
1121        if (!isRead() || getContact().resourceWhichSupport(Namespace.COMMANDS) == null) {
1122            return 0;
1123        }
1124
1125        return 1;
1126    }
1127
1128    public interface OnMessageFound {
1129        void onMessageFound(final Message message);
1130    }
1131
1132    public static class Draft {
1133        private final String message;
1134        private final long timestamp;
1135
1136        private Draft(String message, long timestamp) {
1137            this.message = message;
1138            this.timestamp = timestamp;
1139        }
1140
1141        public long getTimestamp() {
1142            return timestamp;
1143        }
1144
1145        public String getMessage() {
1146            return message;
1147        }
1148    }
1149}