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