Conversation.java

   1package eu.siacs.conversations.entities;
   2
   3import android.content.ClipData;
   4import android.content.ClipboardManager;
   5import android.content.ContentValues;
   6import android.content.Context;
   7import android.database.Cursor;
   8import android.database.DataSetObserver;
   9import android.graphics.Rect;
  10import android.net.Uri;
  11import android.text.Editable;
  12import android.text.InputType;
  13import android.text.StaticLayout;
  14import android.text.TextPaint;
  15import android.text.TextUtils;
  16import android.text.TextWatcher;
  17import android.view.LayoutInflater;
  18import android.view.MotionEvent;
  19import android.view.Gravity;
  20import android.view.View;
  21import android.view.ViewGroup;
  22import android.widget.ArrayAdapter;
  23import android.widget.AdapterView;
  24import android.widget.CompoundButton;
  25import android.widget.ListView;
  26import android.widget.TextView;
  27import android.widget.Toast;
  28import android.widget.Spinner;
  29import android.webkit.JavascriptInterface;
  30import android.webkit.WebView;
  31import android.webkit.WebViewClient;
  32import android.webkit.WebChromeClient;
  33import android.util.SparseArray;
  34
  35import androidx.annotation.NonNull;
  36import androidx.annotation.Nullable;
  37import androidx.core.content.ContextCompat;
  38import androidx.databinding.DataBindingUtil;
  39import androidx.databinding.ViewDataBinding;
  40import androidx.viewpager.widget.PagerAdapter;
  41import androidx.recyclerview.widget.RecyclerView;
  42import androidx.recyclerview.widget.GridLayoutManager;
  43import androidx.viewpager.widget.ViewPager;
  44
  45import com.google.android.material.tabs.TabLayout;
  46import com.google.android.material.textfield.TextInputLayout;
  47import com.google.common.base.Optional;
  48import com.google.common.collect.ComparisonChain;
  49import com.google.common.collect.Lists;
  50
  51import org.json.JSONArray;
  52import org.json.JSONException;
  53import org.json.JSONObject;
  54
  55import java.util.ArrayList;
  56import java.util.Collections;
  57import java.util.Iterator;
  58import java.util.List;
  59import java.util.ListIterator;
  60import java.util.concurrent.atomic.AtomicBoolean;
  61import java.util.stream.Collectors;
  62import java.util.Timer;
  63import java.util.TimerTask;
  64
  65import eu.siacs.conversations.Config;
  66import eu.siacs.conversations.R;
  67import eu.siacs.conversations.crypto.OmemoSetting;
  68import eu.siacs.conversations.crypto.PgpDecryptionService;
  69import eu.siacs.conversations.databinding.CommandPageBinding;
  70import eu.siacs.conversations.databinding.CommandNoteBinding;
  71import eu.siacs.conversations.databinding.CommandResultFieldBinding;
  72import eu.siacs.conversations.databinding.CommandResultCellBinding;
  73import eu.siacs.conversations.databinding.CommandCheckboxFieldBinding;
  74import eu.siacs.conversations.databinding.CommandProgressBarBinding;
  75import eu.siacs.conversations.databinding.CommandRadioEditFieldBinding;
  76import eu.siacs.conversations.databinding.CommandSearchListFieldBinding;
  77import eu.siacs.conversations.databinding.CommandSpinnerFieldBinding;
  78import eu.siacs.conversations.databinding.CommandTextFieldBinding;
  79import eu.siacs.conversations.databinding.CommandWebviewBinding;
  80import eu.siacs.conversations.persistance.DatabaseBackend;
  81import eu.siacs.conversations.services.AvatarService;
  82import eu.siacs.conversations.services.QuickConversationsService;
  83import eu.siacs.conversations.services.XmppConnectionService;
  84import eu.siacs.conversations.utils.JidHelper;
  85import eu.siacs.conversations.utils.MessageUtils;
  86import eu.siacs.conversations.utils.UIHelper;
  87import eu.siacs.conversations.xml.Element;
  88import eu.siacs.conversations.xml.Namespace;
  89import eu.siacs.conversations.xmpp.Jid;
  90import eu.siacs.conversations.xmpp.Option;
  91import eu.siacs.conversations.xmpp.chatstate.ChatState;
  92import eu.siacs.conversations.xmpp.mam.MamReference;
  93import eu.siacs.conversations.xmpp.stanzas.IqPacket;
  94
  95import static eu.siacs.conversations.entities.Bookmark.printableValue;
  96
  97
  98public class Conversation extends AbstractEntity implements Blockable, Comparable<Conversation>, Conversational, AvatarService.Avatarable {
  99    public static final String TABLENAME = "conversations";
 100
 101    public static final int STATUS_AVAILABLE = 0;
 102    public static final int STATUS_ARCHIVED = 1;
 103
 104    public static final String NAME = "name";
 105    public static final String ACCOUNT = "accountUuid";
 106    public static final String CONTACT = "contactUuid";
 107    public static final String CONTACTJID = "contactJid";
 108    public static final String STATUS = "status";
 109    public static final String CREATED = "created";
 110    public static final String MODE = "mode";
 111    public static final String ATTRIBUTES = "attributes";
 112
 113    public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
 114    public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
 115    public static final String ATTRIBUTE_LAST_CLEAR_HISTORY = "last_clear_history";
 116    public static final String ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS = "formerly_private_non_anonymous";
 117    public static final String ATTRIBUTE_PINNED_ON_TOP = "pinned_on_top";
 118    static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
 119    static final String ATTRIBUTE_MEMBERS_ONLY = "members_only";
 120    static final String ATTRIBUTE_MODERATED = "moderated";
 121    static final String ATTRIBUTE_NON_ANONYMOUS = "non_anonymous";
 122    private static final String ATTRIBUTE_NEXT_MESSAGE = "next_message";
 123    private static final String ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP = "next_message_timestamp";
 124    private static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
 125    private static final String ATTRIBUTE_NEXT_ENCRYPTION = "next_encryption";
 126    private static final String ATTRIBUTE_CORRECTING_MESSAGE = "correcting_message";
 127    protected final ArrayList<Message> messages = new ArrayList<>();
 128    public AtomicBoolean messagesLoaded = new AtomicBoolean(true);
 129    protected Account account = null;
 130    private String draftMessage;
 131    private final String name;
 132    private final String contactUuid;
 133    private final String accountUuid;
 134    private Jid contactJid;
 135    private int status;
 136    private final long created;
 137    private int mode;
 138    private JSONObject attributes;
 139    private Jid nextCounterpart;
 140    private transient MucOptions mucOptions = null;
 141    private boolean messagesLeftOnServer = true;
 142    private ChatState mOutgoingChatState = Config.DEFAULT_CHAT_STATE;
 143    private ChatState mIncomingChatState = Config.DEFAULT_CHAT_STATE;
 144    private String mFirstMamReference = null;
 145    protected int mCurrentTab = -1;
 146    protected ConversationPagerAdapter pagerAdapter = new ConversationPagerAdapter();
 147
 148    public Conversation(final String name, final Account account, final Jid contactJid,
 149                        final int mode) {
 150        this(java.util.UUID.randomUUID().toString(), name, null, account
 151                        .getUuid(), contactJid, System.currentTimeMillis(),
 152                STATUS_AVAILABLE, mode, "");
 153        this.account = account;
 154    }
 155
 156    public Conversation(final String uuid, final String name, final String contactUuid,
 157                        final String accountUuid, final Jid contactJid, final long created, final int status,
 158                        final int mode, final String attributes) {
 159        this.uuid = uuid;
 160        this.name = name;
 161        this.contactUuid = contactUuid;
 162        this.accountUuid = accountUuid;
 163        this.contactJid = contactJid;
 164        this.created = created;
 165        this.status = status;
 166        this.mode = mode;
 167        try {
 168            this.attributes = new JSONObject(attributes == null ? "" : attributes);
 169        } catch (JSONException e) {
 170            this.attributes = new JSONObject();
 171        }
 172    }
 173
 174    public static Conversation fromCursor(Cursor cursor) {
 175        return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
 176                cursor.getString(cursor.getColumnIndex(NAME)),
 177                cursor.getString(cursor.getColumnIndex(CONTACT)),
 178                cursor.getString(cursor.getColumnIndex(ACCOUNT)),
 179                JidHelper.parseOrFallbackToInvalid(cursor.getString(cursor.getColumnIndex(CONTACTJID))),
 180                cursor.getLong(cursor.getColumnIndex(CREATED)),
 181                cursor.getInt(cursor.getColumnIndex(STATUS)),
 182                cursor.getInt(cursor.getColumnIndex(MODE)),
 183                cursor.getString(cursor.getColumnIndex(ATTRIBUTES)));
 184    }
 185
 186    public static Message getLatestMarkableMessage(final List<Message> messages, boolean isPrivateAndNonAnonymousMuc) {
 187        for (int i = messages.size() - 1; i >= 0; --i) {
 188            final Message message = messages.get(i);
 189            if (message.getStatus() <= Message.STATUS_RECEIVED
 190                    && (message.markable || isPrivateAndNonAnonymousMuc)
 191                    && !message.isPrivateMessage()) {
 192                return message;
 193            }
 194        }
 195        return null;
 196    }
 197
 198    private static boolean suitableForOmemoByDefault(final Conversation conversation) {
 199        if (conversation.getJid().asBareJid().equals(Config.BUG_REPORTS)) {
 200            return false;
 201        }
 202        if (conversation.getContact().isOwnServer()) {
 203            return false;
 204        }
 205        final String contact = conversation.getJid().getDomain().toEscapedString();
 206        final String account = conversation.getAccount().getServer();
 207        if (Config.OMEMO_EXCEPTIONS.matchesContactDomain(contact) || Config.OMEMO_EXCEPTIONS.ACCOUNT_DOMAINS.contains(account)) {
 208            return false;
 209        }
 210        return conversation.isSingleOrPrivateAndNonAnonymous() || conversation.getBooleanAttribute(ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, false);
 211    }
 212
 213    public boolean hasMessagesLeftOnServer() {
 214        return messagesLeftOnServer;
 215    }
 216
 217    public void setHasMessagesLeftOnServer(boolean value) {
 218        this.messagesLeftOnServer = value;
 219    }
 220
 221    public Message getFirstUnreadMessage() {
 222        Message first = null;
 223        synchronized (this.messages) {
 224            for (int i = messages.size() - 1; i >= 0; --i) {
 225                if (messages.get(i).isRead()) {
 226                    return first;
 227                } else {
 228                    first = messages.get(i);
 229                }
 230            }
 231        }
 232        return first;
 233    }
 234
 235    public String findMostRecentRemoteDisplayableId() {
 236        final boolean multi = mode == Conversation.MODE_MULTI;
 237        synchronized (this.messages) {
 238            for (final Message message : Lists.reverse(this.messages)) {
 239                if (message.getStatus() == Message.STATUS_RECEIVED) {
 240                    final String serverMsgId = message.getServerMsgId();
 241                    if (serverMsgId != null && multi) {
 242                        return serverMsgId;
 243                    }
 244                    return message.getRemoteMsgId();
 245                }
 246            }
 247        }
 248        return null;
 249    }
 250
 251    public int countFailedDeliveries() {
 252        int count = 0;
 253        synchronized (this.messages) {
 254            for(final Message message : this.messages) {
 255                if (message.getStatus() == Message.STATUS_SEND_FAILED) {
 256                    ++count;
 257                }
 258            }
 259        }
 260        return count;
 261    }
 262
 263    public Message getLastEditableMessage() {
 264        synchronized (this.messages) {
 265            for (final Message message : Lists.reverse(this.messages)) {
 266                if (message.isEditable()) {
 267                    if (message.isGeoUri() || message.getType() != Message.TYPE_TEXT) {
 268                        return null;
 269                    }
 270                    return message;
 271                }
 272            }
 273        }
 274        return null;
 275    }
 276
 277
 278    public Message findUnsentMessageWithUuid(String uuid) {
 279        synchronized (this.messages) {
 280            for (final Message message : this.messages) {
 281                final int s = message.getStatus();
 282                if ((s == Message.STATUS_UNSEND || s == Message.STATUS_WAITING) && message.getUuid().equals(uuid)) {
 283                    return message;
 284                }
 285            }
 286        }
 287        return null;
 288    }
 289
 290    public void findWaitingMessages(OnMessageFound onMessageFound) {
 291        final ArrayList<Message> results = new ArrayList<>();
 292        synchronized (this.messages) {
 293            for (Message message : this.messages) {
 294                if (message.getStatus() == Message.STATUS_WAITING) {
 295                    results.add(message);
 296                }
 297            }
 298        }
 299        for (Message result : results) {
 300            onMessageFound.onMessageFound(result);
 301        }
 302    }
 303
 304    public void findUnreadMessagesAndCalls(OnMessageFound onMessageFound) {
 305        final ArrayList<Message> results = new ArrayList<>();
 306        synchronized (this.messages) {
 307            for (final Message message : this.messages) {
 308                if (message.isRead()) {
 309                    continue;
 310                }
 311                results.add(message);
 312            }
 313        }
 314        for (final Message result : results) {
 315            onMessageFound.onMessageFound(result);
 316        }
 317    }
 318
 319    public Message findMessageWithFileAndUuid(final String uuid) {
 320        synchronized (this.messages) {
 321            for (final Message message : this.messages) {
 322                final Transferable transferable = message.getTransferable();
 323                final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
 324                if (message.getUuid().equals(uuid)
 325                        && message.getEncryption() != Message.ENCRYPTION_PGP
 326                        && (message.isFileOrImage() || message.treatAsDownloadable() || unInitiatedButKnownSize || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING))) {
 327                    return message;
 328                }
 329            }
 330        }
 331        return null;
 332    }
 333
 334    public Message findMessageWithUuid(final String uuid) {
 335        synchronized (this.messages) {
 336            for (final Message message : this.messages) {
 337                if (message.getUuid().equals(uuid)) {
 338                    return message;
 339                }
 340            }
 341        }
 342        return null;
 343    }
 344
 345    public boolean markAsDeleted(final List<String> uuids) {
 346        boolean deleted = false;
 347        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 348        synchronized (this.messages) {
 349            for (Message message : this.messages) {
 350                if (uuids.contains(message.getUuid())) {
 351                    message.setDeleted(true);
 352                    deleted = true;
 353                    if (message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 354                        pgpDecryptionService.discard(message);
 355                    }
 356                }
 357            }
 358        }
 359        return deleted;
 360    }
 361
 362    public boolean markAsChanged(final List<DatabaseBackend.FilePathInfo> files) {
 363        boolean changed = false;
 364        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 365        synchronized (this.messages) {
 366            for (Message message : this.messages) {
 367                for (final DatabaseBackend.FilePathInfo file : files)
 368                    if (file.uuid.toString().equals(message.getUuid())) {
 369                        message.setDeleted(file.deleted);
 370                        changed = true;
 371                        if (file.deleted && message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 372                            pgpDecryptionService.discard(message);
 373                        }
 374                    }
 375            }
 376        }
 377        return changed;
 378    }
 379
 380    public void clearMessages() {
 381        synchronized (this.messages) {
 382            this.messages.clear();
 383        }
 384    }
 385
 386    public boolean setIncomingChatState(ChatState state) {
 387        if (this.mIncomingChatState == state) {
 388            return false;
 389        }
 390        this.mIncomingChatState = state;
 391        return true;
 392    }
 393
 394    public ChatState getIncomingChatState() {
 395        return this.mIncomingChatState;
 396    }
 397
 398    public boolean setOutgoingChatState(ChatState state) {
 399        if (mode == MODE_SINGLE && !getContact().isSelf() || (isPrivateAndNonAnonymous() && getNextCounterpart() == null)) {
 400            if (this.mOutgoingChatState != state) {
 401                this.mOutgoingChatState = state;
 402                return true;
 403            }
 404        }
 405        return false;
 406    }
 407
 408    public ChatState getOutgoingChatState() {
 409        return this.mOutgoingChatState;
 410    }
 411
 412    public void trim() {
 413        synchronized (this.messages) {
 414            final int size = messages.size();
 415            final int maxsize = Config.PAGE_SIZE * Config.MAX_NUM_PAGES;
 416            if (size > maxsize) {
 417                List<Message> discards = this.messages.subList(0, size - maxsize);
 418                final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 419                if (pgpDecryptionService != null) {
 420                    pgpDecryptionService.discard(discards);
 421                }
 422                discards.clear();
 423                untieMessages();
 424            }
 425        }
 426    }
 427
 428    public void findUnsentTextMessages(OnMessageFound onMessageFound) {
 429        final ArrayList<Message> results = new ArrayList<>();
 430        synchronized (this.messages) {
 431            for (Message message : this.messages) {
 432                if ((message.getType() == Message.TYPE_TEXT || message.hasFileOnRemoteHost()) && message.getStatus() == Message.STATUS_UNSEND) {
 433                    results.add(message);
 434                }
 435            }
 436        }
 437        for (Message result : results) {
 438            onMessageFound.onMessageFound(result);
 439        }
 440    }
 441
 442    public Message findSentMessageWithUuidOrRemoteId(String id) {
 443        synchronized (this.messages) {
 444            for (Message message : this.messages) {
 445                if (id.equals(message.getUuid())
 446                        || (message.getStatus() >= Message.STATUS_SEND
 447                        && id.equals(message.getRemoteMsgId()))) {
 448                    return message;
 449                }
 450            }
 451        }
 452        return null;
 453    }
 454
 455    public Message findMessageWithRemoteIdAndCounterpart(String id, Jid counterpart, boolean received, boolean carbon) {
 456        synchronized (this.messages) {
 457            for (int i = this.messages.size() - 1; i >= 0; --i) {
 458                final Message message = messages.get(i);
 459                final Jid mcp = message.getCounterpart();
 460                if (mcp == null) {
 461                    continue;
 462                }
 463                if (mcp.equals(counterpart) && ((message.getStatus() == Message.STATUS_RECEIVED) == received)
 464                        && (carbon == message.isCarbon() || received)) {
 465                    final boolean idMatch = id.equals(message.getRemoteMsgId()) || message.remoteMsgIdMatchInEdit(id);
 466                    if (idMatch && !message.isFileOrImage() && !message.treatAsDownloadable()) {
 467                        return message;
 468                    } else {
 469                        return null;
 470                    }
 471                }
 472            }
 473        }
 474        return null;
 475    }
 476
 477    public Message findSentMessageWithUuid(String id) {
 478        synchronized (this.messages) {
 479            for (Message message : this.messages) {
 480                if (id.equals(message.getUuid())) {
 481                    return message;
 482                }
 483            }
 484        }
 485        return null;
 486    }
 487
 488    public Message findMessageWithRemoteId(String id, Jid counterpart) {
 489        synchronized (this.messages) {
 490            for (Message message : this.messages) {
 491                if (counterpart.equals(message.getCounterpart())
 492                        && (id.equals(message.getRemoteMsgId()) || id.equals(message.getUuid()))) {
 493                    return message;
 494                }
 495            }
 496        }
 497        return null;
 498    }
 499
 500    public Message findMessageWithServerMsgId(String id) {
 501        synchronized (this.messages) {
 502            for (Message message : this.messages) {
 503                if (id != null && id.equals(message.getServerMsgId())) {
 504                    return message;
 505                }
 506            }
 507        }
 508        return null;
 509    }
 510
 511    public boolean hasMessageWithCounterpart(Jid counterpart) {
 512        synchronized (this.messages) {
 513            for (Message message : this.messages) {
 514                if (counterpart.equals(message.getCounterpart())) {
 515                    return true;
 516                }
 517            }
 518        }
 519        return false;
 520    }
 521
 522    public void populateWithMessages(final List<Message> messages) {
 523        synchronized (this.messages) {
 524            messages.clear();
 525            messages.addAll(this.messages);
 526        }
 527        for (Iterator<Message> iterator = messages.iterator(); iterator.hasNext(); ) {
 528            if (iterator.next().wasMergedIntoPrevious()) {
 529                iterator.remove();
 530            }
 531        }
 532    }
 533
 534    @Override
 535    public boolean isBlocked() {
 536        return getContact().isBlocked();
 537    }
 538
 539    @Override
 540    public boolean isDomainBlocked() {
 541        return getContact().isDomainBlocked();
 542    }
 543
 544    @Override
 545    public Jid getBlockedJid() {
 546        return getContact().getBlockedJid();
 547    }
 548
 549    public int countMessages() {
 550        synchronized (this.messages) {
 551            return this.messages.size();
 552        }
 553    }
 554
 555    public String getFirstMamReference() {
 556        return this.mFirstMamReference;
 557    }
 558
 559    public void setFirstMamReference(String reference) {
 560        this.mFirstMamReference = reference;
 561    }
 562
 563    public void setLastClearHistory(long time, String reference) {
 564        if (reference != null) {
 565            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time + ":" + reference);
 566        } else {
 567            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time);
 568        }
 569    }
 570
 571    public MamReference getLastClearHistory() {
 572        return MamReference.fromAttribute(getAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY));
 573    }
 574
 575    public List<Jid> getAcceptedCryptoTargets() {
 576        if (mode == MODE_SINGLE) {
 577            return Collections.singletonList(getJid().asBareJid());
 578        } else {
 579            return getJidListAttribute(ATTRIBUTE_CRYPTO_TARGETS);
 580        }
 581    }
 582
 583    public void setAcceptedCryptoTargets(List<Jid> acceptedTargets) {
 584        setAttribute(ATTRIBUTE_CRYPTO_TARGETS, acceptedTargets);
 585    }
 586
 587    public boolean setCorrectingMessage(Message correctingMessage) {
 588        setAttribute(ATTRIBUTE_CORRECTING_MESSAGE, correctingMessage == null ? null : correctingMessage.getUuid());
 589        return correctingMessage == null && draftMessage != null;
 590    }
 591
 592    public Message getCorrectingMessage() {
 593        final String uuid = getAttribute(ATTRIBUTE_CORRECTING_MESSAGE);
 594        return uuid == null ? null : findSentMessageWithUuid(uuid);
 595    }
 596
 597    public boolean withSelf() {
 598        return getContact().isSelf();
 599    }
 600
 601    @Override
 602    public int compareTo(@NonNull Conversation another) {
 603        return ComparisonChain.start()
 604                .compareFalseFirst(another.getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false), getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false))
 605                .compare(another.getSortableTime(), getSortableTime())
 606                .result();
 607    }
 608
 609    private long getSortableTime() {
 610        Draft draft = getDraft();
 611        long messageTime = getLatestMessage().getTimeSent();
 612        if (draft == null) {
 613            return messageTime;
 614        } else {
 615            return Math.max(messageTime, draft.getTimestamp());
 616        }
 617    }
 618
 619    public String getDraftMessage() {
 620        return draftMessage;
 621    }
 622
 623    public void setDraftMessage(String draftMessage) {
 624        this.draftMessage = draftMessage;
 625    }
 626
 627    public boolean isRead() {
 628        synchronized (this.messages) {
 629            for(final Message message : Lists.reverse(this.messages)) {
 630                if (message.isRead() && message.getType() == Message.TYPE_RTP_SESSION) {
 631                    continue;
 632                }
 633                return message.isRead();
 634            }
 635            return true;
 636        }
 637    }
 638
 639    public List<Message> markRead(String upToUuid) {
 640        final List<Message> unread = new ArrayList<>();
 641        synchronized (this.messages) {
 642            for (Message message : this.messages) {
 643                if (!message.isRead()) {
 644                    message.markRead();
 645                    unread.add(message);
 646                }
 647                if (message.getUuid().equals(upToUuid)) {
 648                    return unread;
 649                }
 650            }
 651        }
 652        return unread;
 653    }
 654
 655    public Message getLatestMessage() {
 656        synchronized (this.messages) {
 657            if (this.messages.size() == 0) {
 658                Message message = new Message(this, "", Message.ENCRYPTION_NONE);
 659                message.setType(Message.TYPE_STATUS);
 660                message.setTime(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
 661                return message;
 662            } else {
 663                return this.messages.get(this.messages.size() - 1);
 664            }
 665        }
 666    }
 667
 668    public @NonNull
 669    CharSequence getName() {
 670        if (getMode() == MODE_MULTI) {
 671            final String roomName = getMucOptions().getName();
 672            final String subject = getMucOptions().getSubject();
 673            final Bookmark bookmark = getBookmark();
 674            final String bookmarkName = bookmark != null ? bookmark.getBookmarkName() : null;
 675            if (printableValue(roomName)) {
 676                return roomName;
 677            } else if (printableValue(subject)) {
 678                return subject;
 679            } else if (printableValue(bookmarkName, false)) {
 680                return bookmarkName;
 681            } else {
 682                final String generatedName = getMucOptions().createNameFromParticipants();
 683                if (printableValue(generatedName)) {
 684                    return generatedName;
 685                } else {
 686                    return contactJid.getLocal() != null ? contactJid.getLocal() : contactJid;
 687                }
 688            }
 689        } else if ((QuickConversationsService.isConversations() || !Config.QUICKSY_DOMAIN.equals(contactJid.getDomain())) && isWithStranger()) {
 690            return contactJid;
 691        } else {
 692            return this.getContact().getDisplayName();
 693        }
 694    }
 695
 696    public String getAccountUuid() {
 697        return this.accountUuid;
 698    }
 699
 700    public Account getAccount() {
 701        return this.account;
 702    }
 703
 704    public void setAccount(final Account account) {
 705        this.account = account;
 706    }
 707
 708    public Contact getContact() {
 709        return this.account.getRoster().getContact(this.contactJid);
 710    }
 711
 712    @Override
 713    public Jid getJid() {
 714        return this.contactJid;
 715    }
 716
 717    public int getStatus() {
 718        return this.status;
 719    }
 720
 721    public void setStatus(int status) {
 722        this.status = status;
 723    }
 724
 725    public long getCreated() {
 726        return this.created;
 727    }
 728
 729    public ContentValues getContentValues() {
 730        ContentValues values = new ContentValues();
 731        values.put(UUID, uuid);
 732        values.put(NAME, name);
 733        values.put(CONTACT, contactUuid);
 734        values.put(ACCOUNT, accountUuid);
 735        values.put(CONTACTJID, contactJid.toString());
 736        values.put(CREATED, created);
 737        values.put(STATUS, status);
 738        values.put(MODE, mode);
 739        synchronized (this.attributes) {
 740            values.put(ATTRIBUTES, attributes.toString());
 741        }
 742        return values;
 743    }
 744
 745    public int getMode() {
 746        return this.mode;
 747    }
 748
 749    public void setMode(int mode) {
 750        this.mode = mode;
 751    }
 752
 753    /**
 754     * short for is Private and Non-anonymous
 755     */
 756    public boolean isSingleOrPrivateAndNonAnonymous() {
 757        return mode == MODE_SINGLE || isPrivateAndNonAnonymous();
 758    }
 759
 760    public boolean isPrivateAndNonAnonymous() {
 761        return getMucOptions().isPrivateAndNonAnonymous();
 762    }
 763
 764    public synchronized MucOptions getMucOptions() {
 765        if (this.mucOptions == null) {
 766            this.mucOptions = new MucOptions(this);
 767        }
 768        return this.mucOptions;
 769    }
 770
 771    public void resetMucOptions() {
 772        this.mucOptions = null;
 773    }
 774
 775    public void setContactJid(final Jid jid) {
 776        this.contactJid = jid;
 777    }
 778
 779    public Jid getNextCounterpart() {
 780        return this.nextCounterpart;
 781    }
 782
 783    public void setNextCounterpart(Jid jid) {
 784        this.nextCounterpart = jid;
 785    }
 786
 787    public int getNextEncryption() {
 788        if (!Config.supportOmemo() && !Config.supportOpenPgp()) {
 789            return Message.ENCRYPTION_NONE;
 790        }
 791        if (OmemoSetting.isAlways()) {
 792            return suitableForOmemoByDefault(this) ? Message.ENCRYPTION_AXOLOTL : Message.ENCRYPTION_NONE;
 793        }
 794        final int defaultEncryption;
 795        if (suitableForOmemoByDefault(this)) {
 796            defaultEncryption = OmemoSetting.getEncryption();
 797        } else {
 798            defaultEncryption = Message.ENCRYPTION_NONE;
 799        }
 800        int encryption = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, defaultEncryption);
 801        if (encryption == Message.ENCRYPTION_OTR || encryption < 0) {
 802            return defaultEncryption;
 803        } else {
 804            return encryption;
 805        }
 806    }
 807
 808    public boolean setNextEncryption(int encryption) {
 809        return this.setAttribute(ATTRIBUTE_NEXT_ENCRYPTION, encryption);
 810    }
 811
 812    public String getNextMessage() {
 813        final String nextMessage = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
 814        return nextMessage == null ? "" : nextMessage;
 815    }
 816
 817    public @Nullable
 818    Draft getDraft() {
 819        long timestamp = getLongAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, 0);
 820        if (timestamp > getLatestMessage().getTimeSent()) {
 821            String message = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
 822            if (!TextUtils.isEmpty(message) && timestamp != 0) {
 823                return new Draft(message, timestamp);
 824            }
 825        }
 826        return null;
 827    }
 828
 829    public boolean setNextMessage(final String input) {
 830        final String message = input == null || input.trim().isEmpty() ? null : input;
 831        boolean changed = !getNextMessage().equals(message);
 832        this.setAttribute(ATTRIBUTE_NEXT_MESSAGE, message);
 833        if (changed) {
 834            this.setAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, message == null ? 0 : System.currentTimeMillis());
 835        }
 836        return changed;
 837    }
 838
 839    public Bookmark getBookmark() {
 840        return this.account.getBookmark(this.contactJid);
 841    }
 842
 843    public Message findDuplicateMessage(Message message) {
 844        synchronized (this.messages) {
 845            for (int i = this.messages.size() - 1; i >= 0; --i) {
 846                if (this.messages.get(i).similar(message)) {
 847                    return this.messages.get(i);
 848                }
 849            }
 850        }
 851        return null;
 852    }
 853
 854    public boolean hasDuplicateMessage(Message message) {
 855        return findDuplicateMessage(message) != null;
 856    }
 857
 858    public Message findSentMessageWithBody(String body) {
 859        synchronized (this.messages) {
 860            for (int i = this.messages.size() - 1; i >= 0; --i) {
 861                Message message = this.messages.get(i);
 862                if (message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_SEND) {
 863                    String otherBody;
 864                    if (message.hasFileOnRemoteHost()) {
 865                        otherBody = message.getFileParams().url;
 866                    } else {
 867                        otherBody = message.body;
 868                    }
 869                    if (otherBody != null && otherBody.equals(body)) {
 870                        return message;
 871                    }
 872                }
 873            }
 874            return null;
 875        }
 876    }
 877
 878    public Message findRtpSession(final String sessionId, final int s) {
 879        synchronized (this.messages) {
 880            for (int i = this.messages.size() - 1; i >= 0; --i) {
 881                final Message message = this.messages.get(i);
 882                if ((message.getStatus() == s) && (message.getType() == Message.TYPE_RTP_SESSION) && sessionId.equals(message.getRemoteMsgId())) {
 883                    return message;
 884                }
 885            }
 886        }
 887        return null;
 888    }
 889
 890    public boolean possibleDuplicate(final String serverMsgId, final String remoteMsgId) {
 891        if (serverMsgId == null || remoteMsgId == null) {
 892            return false;
 893        }
 894        synchronized (this.messages) {
 895            for (Message message : this.messages) {
 896                if (serverMsgId.equals(message.getServerMsgId()) || remoteMsgId.equals(message.getRemoteMsgId())) {
 897                    return true;
 898                }
 899            }
 900        }
 901        return false;
 902    }
 903
 904    public MamReference getLastMessageTransmitted() {
 905        final MamReference lastClear = getLastClearHistory();
 906        MamReference lastReceived = new MamReference(0);
 907        synchronized (this.messages) {
 908            for (int i = this.messages.size() - 1; i >= 0; --i) {
 909                final Message message = this.messages.get(i);
 910                if (message.isPrivateMessage()) {
 911                    continue; //it's unsafe to use private messages as anchor. They could be coming from user archive
 912                }
 913                if (message.getStatus() == Message.STATUS_RECEIVED || message.isCarbon() || message.getServerMsgId() != null) {
 914                    lastReceived = new MamReference(message.getTimeSent(), message.getServerMsgId());
 915                    break;
 916                }
 917            }
 918        }
 919        return MamReference.max(lastClear, lastReceived);
 920    }
 921
 922    public void setMutedTill(long value) {
 923        this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
 924    }
 925
 926    public boolean isMuted() {
 927        return System.currentTimeMillis() < this.getLongAttribute(ATTRIBUTE_MUTED_TILL, 0);
 928    }
 929
 930    public boolean alwaysNotify() {
 931        return mode == MODE_SINGLE || getBooleanAttribute(ATTRIBUTE_ALWAYS_NOTIFY, Config.ALWAYS_NOTIFY_BY_DEFAULT || isPrivateAndNonAnonymous());
 932    }
 933
 934    public boolean setAttribute(String key, boolean value) {
 935        return setAttribute(key, String.valueOf(value));
 936    }
 937
 938    private boolean setAttribute(String key, long value) {
 939        return setAttribute(key, Long.toString(value));
 940    }
 941
 942    private boolean setAttribute(String key, int value) {
 943        return setAttribute(key, String.valueOf(value));
 944    }
 945
 946    public boolean setAttribute(String key, String value) {
 947        synchronized (this.attributes) {
 948            try {
 949                if (value == null) {
 950                    if (this.attributes.has(key)) {
 951                        this.attributes.remove(key);
 952                        return true;
 953                    } else {
 954                        return false;
 955                    }
 956                } else {
 957                    final String prev = this.attributes.optString(key, null);
 958                    this.attributes.put(key, value);
 959                    return !value.equals(prev);
 960                }
 961            } catch (JSONException e) {
 962                throw new AssertionError(e);
 963            }
 964        }
 965    }
 966
 967    public boolean setAttribute(String key, List<Jid> jids) {
 968        JSONArray array = new JSONArray();
 969        for (Jid jid : jids) {
 970            array.put(jid.asBareJid().toString());
 971        }
 972        synchronized (this.attributes) {
 973            try {
 974                this.attributes.put(key, array);
 975                return true;
 976            } catch (JSONException e) {
 977                return false;
 978            }
 979        }
 980    }
 981
 982    public String getAttribute(String key) {
 983        synchronized (this.attributes) {
 984            return this.attributes.optString(key, null);
 985        }
 986    }
 987
 988    private List<Jid> getJidListAttribute(String key) {
 989        ArrayList<Jid> list = new ArrayList<>();
 990        synchronized (this.attributes) {
 991            try {
 992                JSONArray array = this.attributes.getJSONArray(key);
 993                for (int i = 0; i < array.length(); ++i) {
 994                    try {
 995                        list.add(Jid.of(array.getString(i)));
 996                    } catch (IllegalArgumentException e) {
 997                        //ignored
 998                    }
 999                }
1000            } catch (JSONException e) {
1001                //ignored
1002            }
1003        }
1004        return list;
1005    }
1006
1007    private int getIntAttribute(String key, int defaultValue) {
1008        String value = this.getAttribute(key);
1009        if (value == null) {
1010            return defaultValue;
1011        } else {
1012            try {
1013                return Integer.parseInt(value);
1014            } catch (NumberFormatException e) {
1015                return defaultValue;
1016            }
1017        }
1018    }
1019
1020    public long getLongAttribute(String key, long defaultValue) {
1021        String value = this.getAttribute(key);
1022        if (value == null) {
1023            return defaultValue;
1024        } else {
1025            try {
1026                return Long.parseLong(value);
1027            } catch (NumberFormatException e) {
1028                return defaultValue;
1029            }
1030        }
1031    }
1032
1033    public boolean getBooleanAttribute(String key, boolean defaultValue) {
1034        String value = this.getAttribute(key);
1035        if (value == null) {
1036            return defaultValue;
1037        } else {
1038            return Boolean.parseBoolean(value);
1039        }
1040    }
1041
1042    public void add(Message message) {
1043        synchronized (this.messages) {
1044            this.messages.add(message);
1045        }
1046    }
1047
1048    public void prepend(int offset, Message message) {
1049        synchronized (this.messages) {
1050            this.messages.add(Math.min(offset, this.messages.size()), message);
1051        }
1052    }
1053
1054    public void addAll(int index, List<Message> messages) {
1055        synchronized (this.messages) {
1056            this.messages.addAll(index, messages);
1057        }
1058        account.getPgpDecryptionService().decrypt(messages);
1059    }
1060
1061    public void expireOldMessages(long timestamp) {
1062        synchronized (this.messages) {
1063            for (ListIterator<Message> iterator = this.messages.listIterator(); iterator.hasNext(); ) {
1064                if (iterator.next().getTimeSent() < timestamp) {
1065                    iterator.remove();
1066                }
1067            }
1068            untieMessages();
1069        }
1070    }
1071
1072    public void sort() {
1073        synchronized (this.messages) {
1074            Collections.sort(this.messages, (left, right) -> {
1075                if (left.getTimeSent() < right.getTimeSent()) {
1076                    return -1;
1077                } else if (left.getTimeSent() > right.getTimeSent()) {
1078                    return 1;
1079                } else {
1080                    return 0;
1081                }
1082            });
1083            untieMessages();
1084        }
1085    }
1086
1087    private void untieMessages() {
1088        for (Message message : this.messages) {
1089            message.untie();
1090        }
1091    }
1092
1093    public int unreadCount() {
1094        synchronized (this.messages) {
1095            int count = 0;
1096            for(final Message message : Lists.reverse(this.messages)) {
1097                if (message.isRead()) {
1098                    if (message.getType() == Message.TYPE_RTP_SESSION) {
1099                        continue;
1100                    }
1101                    return count;
1102                }
1103                ++count;
1104            }
1105            return count;
1106        }
1107    }
1108
1109    public int receivedMessagesCount() {
1110        int count = 0;
1111        synchronized (this.messages) {
1112            for (Message message : messages) {
1113                if (message.getStatus() == Message.STATUS_RECEIVED) {
1114                    ++count;
1115                }
1116            }
1117        }
1118        return count;
1119    }
1120
1121    public int sentMessagesCount() {
1122        int count = 0;
1123        synchronized (this.messages) {
1124            for (Message message : messages) {
1125                if (message.getStatus() != Message.STATUS_RECEIVED) {
1126                    ++count;
1127                }
1128            }
1129        }
1130        return count;
1131    }
1132
1133    public boolean canInferPresence() {
1134        final Contact contact = getContact();
1135        if (contact != null && contact.canInferPresence()) return true;
1136        return sentMessagesCount() > 0;
1137    }
1138
1139    public boolean isWithStranger() {
1140        final Contact contact = getContact();
1141        return mode == MODE_SINGLE
1142                && !contact.isOwnServer()
1143                && !contact.showInContactList()
1144                && !contact.isSelf()
1145                && !(contact.getJid().isDomainJid() && JidHelper.isQuicksyDomain(contact.getJid()))
1146                && sentMessagesCount() == 0;
1147    }
1148
1149    public int getReceivedMessagesCountSinceUuid(String uuid) {
1150        if (uuid == null) {
1151            return 0;
1152        }
1153        int count = 0;
1154        synchronized (this.messages) {
1155            for (int i = messages.size() - 1; i >= 0; i--) {
1156                final Message message = messages.get(i);
1157                if (uuid.equals(message.getUuid())) {
1158                    return count;
1159                }
1160                if (message.getStatus() <= Message.STATUS_RECEIVED) {
1161                    ++count;
1162                }
1163            }
1164        }
1165        return 0;
1166    }
1167
1168    @Override
1169    public int getAvatarBackgroundColor() {
1170        return UIHelper.getColorForName(getName().toString());
1171    }
1172
1173    @Override
1174    public String getAvatarName() {
1175        return getName().toString();
1176    }
1177
1178    public void setCurrentTab(int tab) {
1179        mCurrentTab = tab;
1180    }
1181
1182    public int getCurrentTab() {
1183        if (mCurrentTab >= 0) return mCurrentTab;
1184
1185        if (!isRead() || getContact().resourceWhichSupport(Namespace.COMMANDS) == null) {
1186            return 0;
1187        }
1188
1189        return 1;
1190    }
1191
1192    public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1193        pagerAdapter.startCommand(command, xmppConnectionService);
1194    }
1195
1196    public void setupViewPager(ViewPager pager, TabLayout tabs) {
1197        pagerAdapter.setupViewPager(pager, tabs);
1198    }
1199
1200    public void showViewPager() {
1201        pagerAdapter.show();
1202    }
1203
1204    public void hideViewPager() {
1205        pagerAdapter.hide();
1206    }
1207
1208    public interface OnMessageFound {
1209        void onMessageFound(final Message message);
1210    }
1211
1212    public static class Draft {
1213        private final String message;
1214        private final long timestamp;
1215
1216        private Draft(String message, long timestamp) {
1217            this.message = message;
1218            this.timestamp = timestamp;
1219        }
1220
1221        public long getTimestamp() {
1222            return timestamp;
1223        }
1224
1225        public String getMessage() {
1226            return message;
1227        }
1228    }
1229
1230    public class ConversationPagerAdapter extends PagerAdapter {
1231        protected ViewPager mPager = null;
1232        protected TabLayout mTabs = null;
1233        ArrayList<CommandSession> sessions = null;
1234
1235        public void setupViewPager(ViewPager pager, TabLayout tabs) {
1236            mPager = pager;
1237            mTabs = tabs;
1238
1239            if (mPager == null) return;
1240            if (sessions != null) show();
1241
1242            pager.setAdapter(this);
1243            tabs.setupWithViewPager(mPager);
1244            pager.setCurrentItem(getCurrentTab());
1245
1246            mPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
1247                public void onPageScrollStateChanged(int state) { }
1248                public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { }
1249
1250                public void onPageSelected(int position) {
1251                    setCurrentTab(position);
1252                }
1253            });
1254        }
1255
1256        public void show() {
1257            if (sessions == null) {
1258                sessions = new ArrayList<>();
1259                notifyDataSetChanged();
1260            }
1261            if (mTabs != null) mTabs.setVisibility(View.VISIBLE);
1262        }
1263
1264        public void hide() {
1265            if (sessions != null && !sessions.isEmpty()) return; // Do not hide during active session
1266            if (mPager != null) mPager.setCurrentItem(0);
1267            if (mTabs != null) mTabs.setVisibility(View.GONE);
1268            sessions = null;
1269            notifyDataSetChanged();
1270        }
1271
1272        public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1273            show();
1274            CommandSession session = new CommandSession(command.getAttribute("name"), xmppConnectionService);
1275
1276            final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
1277            packet.setTo(command.getAttributeAsJid("jid"));
1278            final Element c = packet.addChild("command", Namespace.COMMANDS);
1279            c.setAttribute("node", command.getAttribute("node"));
1280            c.setAttribute("action", "execute");
1281            View v = mPager;
1282            xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
1283                v.post(() -> {
1284                    session.updateWithResponse(iq);
1285                });
1286            });
1287
1288            sessions.add(session);
1289            notifyDataSetChanged();
1290            if (mPager != null) mPager.setCurrentItem(getCount() - 1);
1291        }
1292
1293        public void removeSession(CommandSession session) {
1294            sessions.remove(session);
1295            notifyDataSetChanged();
1296        }
1297
1298        @NonNull
1299        @Override
1300        public Object instantiateItem(@NonNull ViewGroup container, int position) {
1301            if (position < 2) {
1302              return mPager.getChildAt(position);
1303            }
1304
1305            CommandSession session = sessions.get(position-2);
1306            CommandPageBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_page, container, false);
1307            container.addView(binding.getRoot());
1308            session.setBinding(binding);
1309            return session;
1310        }
1311
1312        @Override
1313        public void destroyItem(@NonNull ViewGroup container, int position, Object o) {
1314            if (position < 2) return;
1315
1316            container.removeView(((CommandSession) o).getView());
1317        }
1318
1319        @Override
1320        public int getItemPosition(Object o) {
1321            if (mPager != null) {
1322                if (o == mPager.getChildAt(0)) return PagerAdapter.POSITION_UNCHANGED;
1323                if (o == mPager.getChildAt(1)) return PagerAdapter.POSITION_UNCHANGED;
1324            }
1325
1326            int pos = sessions == null ? -1 : sessions.indexOf(o);
1327            if (pos < 0) return PagerAdapter.POSITION_NONE;
1328            return pos + 2;
1329        }
1330
1331        @Override
1332        public int getCount() {
1333            if (sessions == null) return 1;
1334
1335            int count = 2 + sessions.size();
1336            if (mTabs == null) return count;
1337
1338            if (count > 2) {
1339                mTabs.setTabMode(TabLayout.MODE_SCROLLABLE);
1340            } else {
1341                mTabs.setTabMode(TabLayout.MODE_FIXED);
1342            }
1343            return count;
1344        }
1345
1346        @Override
1347        public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
1348            if (view == o) return true;
1349
1350            if (o instanceof CommandSession) {
1351                return ((CommandSession) o).getView() == view;
1352            }
1353
1354            return false;
1355        }
1356
1357        @Nullable
1358        @Override
1359        public CharSequence getPageTitle(int position) {
1360            switch (position) {
1361                case 0:
1362                    return "Conversation";
1363                case 1:
1364                    return "Commands";
1365                default:
1366                    CommandSession session = sessions.get(position-2);
1367                    if (session == null) return super.getPageTitle(position);
1368                    return session.getTitle();
1369            }
1370        }
1371
1372        class CommandSession extends RecyclerView.Adapter<CommandSession.ViewHolder> {
1373            abstract class ViewHolder<T extends ViewDataBinding> extends RecyclerView.ViewHolder {
1374                protected T binding;
1375
1376                public ViewHolder(T binding) {
1377                    super(binding.getRoot());
1378                    this.binding = binding;
1379                }
1380
1381                abstract public void bind(Item el);
1382
1383                protected void setTextOrHide(TextView v, Optional<String> s) {
1384                    if (s == null || !s.isPresent()) {
1385                        v.setVisibility(View.GONE);
1386                    } else {
1387                        v.setVisibility(View.VISIBLE);
1388                        v.setText(s.get());
1389                    }
1390                }
1391
1392                protected void setupInputType(Element field, TextView textinput, TextInputLayout layout) {
1393                    int flags = 0;
1394                    if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_NONE);
1395                    textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1396
1397                    String type = field.getAttribute("type");
1398                    if (type != null) {
1399                        if (type.equals("text-multi") || type.equals("jid-multi")) {
1400                            flags |= InputType.TYPE_TEXT_FLAG_MULTI_LINE;
1401                        }
1402
1403                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1404
1405                        if (type.equals("jid-single") || type.equals("jid-multi")) {
1406                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1407                        }
1408
1409                        if (type.equals("text-private")) {
1410                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
1411                            if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_PASSWORD_TOGGLE);
1412                        }
1413                    }
1414
1415                    Element validate = field.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1416                    if (validate == null) return;
1417                    String datatype = validate.getAttribute("datatype");
1418                    if (datatype == null) return;
1419
1420                    if (datatype.equals("xs:integer") || datatype.equals("xs:int") || datatype.equals("xs:long") || datatype.equals("xs:short") || datatype.equals("xs:byte")) {
1421                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED);
1422                    }
1423
1424                    if (datatype.equals("xs:decimal") || datatype.equals("xs:double")) {
1425                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL);
1426                    }
1427
1428                    if (datatype.equals("xs:date")) {
1429                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_DATE);
1430                    }
1431
1432                    if (datatype.equals("xs:dateTime")) {
1433                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_NORMAL);
1434                    }
1435
1436                    if (datatype.equals("xs:time")) {
1437                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_TIME);
1438                    }
1439
1440                    if (datatype.equals("xs:anyURI")) {
1441                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
1442                    }
1443
1444                    if (datatype.equals("html:tel")) {
1445                        textinput.setInputType(flags | InputType.TYPE_CLASS_PHONE);
1446                    }
1447
1448                    if (datatype.equals("html:email")) {
1449                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1450                    }
1451                }
1452            }
1453
1454            class ErrorViewHolder extends ViewHolder<CommandNoteBinding> {
1455                public ErrorViewHolder(CommandNoteBinding binding) { super(binding); }
1456
1457                @Override
1458                public void bind(Item iq) {
1459                    binding.errorIcon.setVisibility(View.VISIBLE);
1460
1461                    Element error = iq.el.findChild("error");
1462                    if (error == null) return;
1463                    String text = error.findChildContent("text", "urn:ietf:params:xml:ns:xmpp-stanzas");
1464                    if (text == null || text.equals("")) {
1465                        text = error.getChildren().get(0).getName();
1466                    }
1467                    binding.message.setText(text);
1468                }
1469            }
1470
1471            class NoteViewHolder extends ViewHolder<CommandNoteBinding> {
1472                public NoteViewHolder(CommandNoteBinding binding) { super(binding); }
1473
1474                @Override
1475                public void bind(Item note) {
1476                    binding.message.setText(note.el.getContent());
1477
1478                    String type = note.el.getAttribute("type");
1479                    if (type != null && type.equals("error")) {
1480                        binding.errorIcon.setVisibility(View.VISIBLE);
1481                    }
1482                }
1483            }
1484
1485            class ResultFieldViewHolder extends ViewHolder<CommandResultFieldBinding> {
1486                public ResultFieldViewHolder(CommandResultFieldBinding binding) { super(binding); }
1487
1488                @Override
1489                public void bind(Item item) {
1490                    Field field = (Field) item;
1491                    setTextOrHide(binding.label, field.getLabel());
1492                    setTextOrHide(binding.desc, field.getDesc());
1493
1494                    ArrayAdapter<String> values = new ArrayAdapter<String>(binding.getRoot().getContext(), R.layout.simple_list_item);
1495                    for (Element el : field.el.getChildren()) {
1496                        if (el.getName().equals("value") && el.getNamespace().equals("jabber:x:data")) {
1497                            values.add(el.getContent());
1498                        }
1499                    }
1500                    binding.values.setAdapter(values);
1501
1502                    ClipboardManager clipboard = (ClipboardManager) binding.getRoot().getContext().getSystemService(Context.CLIPBOARD_SERVICE);
1503                    binding.values.setOnItemLongClickListener((arg0, arg1, pos, id) -> {
1504                        ClipData myClip = ClipData.newPlainText("text", values.getItem(pos));
1505                        clipboard.setPrimaryClip(myClip);
1506                        Toast.makeText(binding.getRoot().getContext(), R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1507                        return true;
1508                    });
1509                }
1510            }
1511
1512            class ResultCellViewHolder extends ViewHolder<CommandResultCellBinding> {
1513                public ResultCellViewHolder(CommandResultCellBinding binding) { super(binding); }
1514
1515                @Override
1516                public void bind(Item item) {
1517                    Cell cell = (Cell) item;
1518
1519                    if (cell.el == null) {
1520                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Subhead);
1521                        setTextOrHide(binding.text, cell.reported.getLabel());
1522                    } else {
1523                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Body1);
1524                        binding.text.setText(cell.el.findChildContent("value", "jabber:x:data"));
1525                    }
1526                }
1527            }
1528
1529            class CheckboxFieldViewHolder extends ViewHolder<CommandCheckboxFieldBinding> implements CompoundButton.OnCheckedChangeListener {
1530                public CheckboxFieldViewHolder(CommandCheckboxFieldBinding binding) {
1531                    super(binding);
1532                    binding.row.setOnClickListener((v) -> {
1533                        binding.checkbox.toggle();
1534                    });
1535                    binding.checkbox.setOnCheckedChangeListener(this);
1536                }
1537                protected Element mValue = null;
1538
1539                @Override
1540                public void bind(Item item) {
1541                    Field field = (Field) item;
1542                    binding.label.setText(field.getLabel().or(""));
1543                    setTextOrHide(binding.desc, field.getDesc());
1544                    mValue = field.getValue();
1545                    binding.checkbox.setChecked(mValue.getContent() != null && (mValue.getContent().equals("true") || mValue.getContent().equals("1")));
1546                }
1547
1548                @Override
1549                public void onCheckedChanged(CompoundButton checkbox, boolean isChecked) {
1550                    if (mValue == null) return;
1551
1552                    mValue.setContent(isChecked ? "true" : "false");
1553                }
1554            }
1555
1556            class SearchListFieldViewHolder extends ViewHolder<CommandSearchListFieldBinding> implements TextWatcher {
1557                public SearchListFieldViewHolder(CommandSearchListFieldBinding binding) {
1558                    super(binding);
1559                    binding.search.addTextChangedListener(this);
1560                }
1561                protected Element mValue = null;
1562                List<Option> options = new ArrayList<>();
1563                protected ArrayAdapter<Option> adapter;
1564                protected boolean open;
1565
1566                @Override
1567                public void bind(Item item) {
1568                    Field field = (Field) item;
1569                    setTextOrHide(binding.label, field.getLabel());
1570                    setTextOrHide(binding.desc, field.getDesc());
1571
1572                    if (field.error != null) {
1573                        binding.desc.setVisibility(View.VISIBLE);
1574                        binding.desc.setText(field.error);
1575                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
1576                    } else {
1577                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
1578                    }
1579
1580                    mValue = field.getValue();
1581
1582                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1583                    open = validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null;
1584                    setupInputType(field.el, binding.search, null);
1585
1586                    options = field.getOptions();
1587                    binding.list.setOnItemClickListener((parent, view, position, id) -> {
1588                        mValue.setContent(adapter.getItem(binding.list.getCheckedItemPosition()).getValue());
1589                        if (open) binding.search.setText(mValue.getContent());
1590                    });
1591                    search("");
1592                }
1593
1594                @Override
1595                public void afterTextChanged(Editable s) {
1596                    if (open) mValue.setContent(s.toString());
1597                    search(s.toString());
1598                }
1599
1600                @Override
1601                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1602
1603                @Override
1604                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1605
1606                protected void search(String s) {
1607                    List<Option> filteredOptions;
1608                    final String q = s.replaceAll("\\W", "").toLowerCase();
1609                    if (q == null || q.equals("")) {
1610                        filteredOptions = options;
1611                    } else {
1612                        filteredOptions = options.stream().filter(o -> o.toString().replaceAll("\\W", "").toLowerCase().contains(q)).collect(Collectors.toList());
1613                    }
1614                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item, filteredOptions);
1615                    binding.list.setAdapter(adapter);
1616
1617                    int checkedPos = filteredOptions.indexOf(new Option(mValue.getContent(), ""));
1618                    if (checkedPos >= 0) binding.list.setItemChecked(checkedPos, true);
1619                }
1620            }
1621
1622            class RadioEditFieldViewHolder extends ViewHolder<CommandRadioEditFieldBinding> implements CompoundButton.OnCheckedChangeListener, TextWatcher {
1623                public RadioEditFieldViewHolder(CommandRadioEditFieldBinding binding) {
1624                    super(binding);
1625                    binding.open.addTextChangedListener(this);
1626                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.radio_grid_item) {
1627                        @Override
1628                        public View getView(int position, View convertView, ViewGroup parent) {
1629                            CompoundButton v = (CompoundButton) super.getView(position, convertView, parent);
1630                            v.setId(position);
1631                            v.setChecked(getItem(position).getValue().equals(mValue.getContent()));
1632                            v.setOnCheckedChangeListener(RadioEditFieldViewHolder.this);
1633                            return v;
1634                        }
1635                    };
1636                }
1637                protected Element mValue = null;
1638                protected ArrayAdapter<Option> options;
1639
1640                @Override
1641                public void bind(Item item) {
1642                    Field field = (Field) item;
1643                    setTextOrHide(binding.label, field.getLabel());
1644                    setTextOrHide(binding.desc, field.getDesc());
1645
1646                    if (field.error != null) {
1647                        binding.desc.setVisibility(View.VISIBLE);
1648                        binding.desc.setText(field.error);
1649                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
1650                    } else {
1651                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
1652                    }
1653
1654                    mValue = field.getValue();
1655
1656                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1657                    binding.open.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
1658                    binding.open.setText(mValue.getContent());
1659                    setupInputType(field.el, binding.open, null);
1660
1661                    options.clear();
1662                    List<Option> theOptions = field.getOptions();
1663                    options.addAll(theOptions);
1664
1665                    float screenWidth = binding.getRoot().getContext().getResources().getDisplayMetrics().widthPixels;
1666                    TextPaint paint = ((TextView) LayoutInflater.from(binding.getRoot().getContext()).inflate(R.layout.radio_grid_item, null)).getPaint();
1667                    float maxColumnWidth = theOptions.stream().map((x) ->
1668                        StaticLayout.getDesiredWidth(x.toString(), paint)
1669                    ).max(Float::compare).orElse(new Float(0.0));
1670                    if (maxColumnWidth * theOptions.size() < 0.90 * screenWidth) {
1671                        binding.radios.setNumColumns(theOptions.size());
1672                    } else if (maxColumnWidth * (theOptions.size() / 2) < 0.90 * screenWidth) {
1673                        binding.radios.setNumColumns(theOptions.size() / 2);
1674                    } else {
1675                        binding.radios.setNumColumns(1);
1676                    }
1677                    binding.radios.setAdapter(options);
1678                }
1679
1680                @Override
1681                public void onCheckedChanged(CompoundButton radio, boolean isChecked) {
1682                    if (mValue == null) return;
1683
1684                    if (isChecked) {
1685                        mValue.setContent(options.getItem(radio.getId()).getValue());
1686                        binding.open.setText(mValue.getContent());
1687                    }
1688                    options.notifyDataSetChanged();
1689                }
1690
1691                @Override
1692                public void afterTextChanged(Editable s) {
1693                    if (mValue == null) return;
1694
1695                    mValue.setContent(s.toString());
1696                    options.notifyDataSetChanged();
1697                }
1698
1699                @Override
1700                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1701
1702                @Override
1703                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1704            }
1705
1706            class SpinnerFieldViewHolder extends ViewHolder<CommandSpinnerFieldBinding> implements AdapterView.OnItemSelectedListener {
1707                public SpinnerFieldViewHolder(CommandSpinnerFieldBinding binding) {
1708                    super(binding);
1709                    binding.spinner.setOnItemSelectedListener(this);
1710                }
1711                protected Element mValue = null;
1712
1713                @Override
1714                public void bind(Item item) {
1715                    Field field = (Field) item;
1716                    setTextOrHide(binding.label, field.getLabel());
1717                    binding.spinner.setPrompt(field.getLabel().or(""));
1718                    setTextOrHide(binding.desc, field.getDesc());
1719
1720                    mValue = field.getValue();
1721
1722                    ArrayAdapter<Option> options = new ArrayAdapter<Option>(binding.getRoot().getContext(), android.R.layout.simple_spinner_item);
1723                    options.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
1724                    options.addAll(field.getOptions());
1725
1726                    binding.spinner.setAdapter(options);
1727                    binding.spinner.setSelection(options.getPosition(new Option(mValue.getContent(), null)));
1728                }
1729
1730                @Override
1731                public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
1732                    Option o = (Option) parent.getItemAtPosition(pos);
1733                    if (mValue == null) return;
1734
1735                    mValue.setContent(o == null ? "" : o.getValue());
1736                }
1737
1738                @Override
1739                public void onNothingSelected(AdapterView<?> parent) {
1740                    mValue.setContent("");
1741                }
1742            }
1743
1744            class TextFieldViewHolder extends ViewHolder<CommandTextFieldBinding> implements TextWatcher {
1745                public TextFieldViewHolder(CommandTextFieldBinding binding) {
1746                    super(binding);
1747                    binding.textinput.addTextChangedListener(this);
1748                }
1749                protected Element mValue = null;
1750
1751                @Override
1752                public void bind(Item item) {
1753                    Field field = (Field) item;
1754                    binding.textinputLayout.setHint(field.getLabel().or(""));
1755
1756                    binding.textinputLayout.setHelperTextEnabled(field.getDesc().isPresent());
1757                    for (String desc : field.getDesc().asSet()) {
1758                        binding.textinputLayout.setHelperText(desc);
1759                    }
1760
1761                    binding.textinputLayout.setErrorEnabled(field.error != null);
1762                    if (field.error != null) binding.textinputLayout.setError(field.error);
1763
1764                    mValue = field.getValue();
1765                    binding.textinput.setText(mValue.getContent());
1766                    setupInputType(field.el, binding.textinput, binding.textinputLayout);
1767                }
1768
1769                @Override
1770                public void afterTextChanged(Editable s) {
1771                    if (mValue == null) return;
1772
1773                    mValue.setContent(s.toString());
1774                }
1775
1776                @Override
1777                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1778
1779                @Override
1780                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1781            }
1782
1783            class WebViewHolder extends ViewHolder<CommandWebviewBinding> {
1784                public WebViewHolder(CommandWebviewBinding binding) { super(binding); }
1785
1786                @Override
1787                public void bind(Item oob) {
1788                    setTextOrHide(binding.desc, Optional.fromNullable(oob.el.findChildContent("desc", "jabber:x:oob")));
1789                    binding.webview.getSettings().setJavaScriptEnabled(true);
1790                    binding.webview.getSettings().setUserAgentString("Mozilla/5.0 (Linux; Android 11) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.106 Mobile Safari/537.36");
1791                    binding.webview.getSettings().setDatabaseEnabled(true);
1792                    binding.webview.getSettings().setDomStorageEnabled(true);
1793                    binding.webview.setWebChromeClient(new WebChromeClient() {
1794                        @Override
1795                        public void onProgressChanged(WebView view, int newProgress) {
1796                            binding.progressbar.setVisibility(newProgress < 100 ? View.VISIBLE : View.GONE);
1797                            binding.progressbar.setProgress(newProgress);
1798                        }
1799                    });
1800                    binding.webview.setWebViewClient(new WebViewClient() {
1801                        @Override
1802                        public void onPageFinished(WebView view, String url) {
1803                            super.onPageFinished(view, url);
1804                            mTitle = view.getTitle();
1805                            ConversationPagerAdapter.this.notifyDataSetChanged();
1806                        }
1807                    });
1808                    binding.webview.addJavascriptInterface(new JsObject(), "xmpp_xep0050");
1809                    binding.webview.loadUrl(oob.el.findChildContent("url", "jabber:x:oob"));
1810                }
1811
1812                class JsObject {
1813                    @JavascriptInterface
1814                    public void execute() { execute("execute"); }
1815                    public void execute(String action) {
1816                        getView().post(() -> {
1817                            if(CommandSession.this.execute(action)) {
1818                                removeSession(CommandSession.this);
1819                            }
1820                        });
1821                    }
1822                }
1823            }
1824
1825            class ProgressBarViewHolder extends ViewHolder<CommandProgressBarBinding> {
1826                public ProgressBarViewHolder(CommandProgressBarBinding binding) { super(binding); }
1827
1828                @Override
1829                public void bind(Item item) { }
1830            }
1831
1832            class Item {
1833                protected Element el;
1834                protected int viewType;
1835                protected String error = null;
1836
1837                Item(Element el, int viewType) {
1838                    this.el = el;
1839                    this.viewType = viewType;
1840                }
1841
1842                public boolean validate() {
1843                    error = null;
1844                    return true;
1845                }
1846            }
1847
1848            class Field extends Item {
1849                Field(Element el, int viewType) { super(el, viewType); }
1850
1851                @Override
1852                public boolean validate() {
1853                    if (!super.validate()) return false;
1854                    if (el.findChild("required", "jabber:x:data") == null) return true;
1855                    if (getValue().getContent() != null && !getValue().getContent().equals("")) return true;
1856
1857                    error = "this value is required";
1858                    return false;
1859                }
1860
1861                public String getVar() {
1862                    return el.getAttribute("var");
1863                }
1864
1865                public Optional<String> getLabel() {
1866                    String label = el.getAttribute("label");
1867                    if (label == null) label = getVar();
1868                    return Optional.fromNullable(label);
1869                }
1870
1871                public Optional<String> getDesc() {
1872                    return Optional.fromNullable(el.findChildContent("desc", "jabber:x:data"));
1873                }
1874
1875                public Element getValue() {
1876                    Element value = el.findChild("value", "jabber:x:data");
1877                    if (value == null) {
1878                        value = el.addChild("value", "jabber:x:data");
1879                    }
1880                    return value;
1881                }
1882
1883                public List<Option> getOptions() {
1884                    return Option.forField(el);
1885                }
1886            }
1887
1888            class Cell extends Item {
1889                protected Field reported;
1890
1891                Cell(Field reported, Element item) {
1892                    super(item, TYPE_RESULT_CELL);
1893                    this.reported = reported;
1894                }
1895            }
1896
1897            protected Field mkField(Element el) {
1898                int viewType = -1;
1899
1900                String formType = responseElement.getAttribute("type");
1901                if (formType != null) {
1902                    String fieldType = el.getAttribute("type");
1903                    if (fieldType == null) fieldType = "text-single";
1904
1905                    if (formType.equals("result") || fieldType.equals("fixed")) {
1906                        viewType = TYPE_RESULT_FIELD;
1907                    } else if (formType.equals("form")) {
1908                        if (fieldType.equals("boolean")) {
1909                            viewType = TYPE_CHECKBOX_FIELD;
1910                        } else if (fieldType.equals("list-single")) {
1911                            Element validate = el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1912                            if (Option.forField(el).size() > 9) {
1913                                viewType = TYPE_SEARCH_LIST_FIELD;
1914                            } else if (el.findChild("value", "jabber:x:data") == null || (validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null)) {
1915                                viewType = TYPE_RADIO_EDIT_FIELD;
1916                            } else {
1917                                viewType = TYPE_SPINNER_FIELD;
1918                            }
1919                        } else {
1920                            viewType = TYPE_TEXT_FIELD;
1921                        }
1922                    }
1923
1924                    return new Field(el, viewType);
1925                }
1926
1927                return null;
1928            }
1929
1930            protected Item mkItem(Element el, int pos) {
1931                int viewType = -1;
1932
1933                if (response != null && response.getType() == IqPacket.TYPE.RESULT) {
1934                    if (el.getName().equals("note")) {
1935                        viewType = TYPE_NOTE;
1936                    } else if (el.getNamespace().equals("jabber:x:oob")) {
1937                        viewType = TYPE_WEB;
1938                    } else if (el.getName().equals("instructions") && el.getNamespace().equals("jabber:x:data")) {
1939                        viewType = TYPE_NOTE;
1940                    } else if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data")) {
1941                        Field field = mkField(el);
1942                        if (field != null) {
1943                            items.put(pos, field);
1944                            return field;
1945                        }
1946                    }
1947                } else if (response != null) {
1948                    viewType = TYPE_ERROR;
1949                }
1950
1951                Item item = new Item(el, viewType);
1952                items.put(pos, item);
1953                return item;
1954            }
1955
1956            final int TYPE_ERROR = 1;
1957            final int TYPE_NOTE = 2;
1958            final int TYPE_WEB = 3;
1959            final int TYPE_RESULT_FIELD = 4;
1960            final int TYPE_TEXT_FIELD = 5;
1961            final int TYPE_CHECKBOX_FIELD = 6;
1962            final int TYPE_SPINNER_FIELD = 7;
1963            final int TYPE_RADIO_EDIT_FIELD = 8;
1964            final int TYPE_RESULT_CELL = 9;
1965            final int TYPE_PROGRESSBAR = 10;
1966            final int TYPE_SEARCH_LIST_FIELD = 11;
1967
1968            protected boolean loading = false;
1969            protected Timer loadingTimer = new Timer();
1970            protected String mTitle;
1971            protected CommandPageBinding mBinding = null;
1972            protected IqPacket response = null;
1973            protected Element responseElement = null;
1974            protected List<Field> reported = null;
1975            protected SparseArray<Item> items = new SparseArray<>();
1976            protected XmppConnectionService xmppConnectionService;
1977            protected ArrayAdapter<String> actionsAdapter;
1978            protected GridLayoutManager layoutManager;
1979
1980            CommandSession(String title, XmppConnectionService xmppConnectionService) {
1981                loading();
1982                mTitle = title;
1983                this.xmppConnectionService = xmppConnectionService;
1984                if (mPager != null) setupLayoutManager();
1985                actionsAdapter = new ArrayAdapter<String>(xmppConnectionService, R.layout.simple_list_item) {
1986                    @Override
1987                    public View getView(int position, View convertView, ViewGroup parent) {
1988                        View v = super.getView(position, convertView, parent);
1989                        TextView tv = (TextView) v.findViewById(android.R.id.text1);
1990                        tv.setGravity(Gravity.CENTER);
1991                        int resId = xmppConnectionService.getResources().getIdentifier("action_" + tv.getText() , "string" , xmppConnectionService.getPackageName());
1992                        if (resId != 0) tv.setText(xmppConnectionService.getResources().getString(resId));
1993                        tv.setTextColor(ContextCompat.getColor(xmppConnectionService, R.color.white));
1994                        tv.setBackgroundColor(UIHelper.getColorForName(tv.getText().toString()));
1995                        return v;
1996                    }
1997                };
1998                actionsAdapter.registerDataSetObserver(new DataSetObserver() {
1999                    @Override
2000                    public void onChanged() {
2001                        if (mBinding == null) return;
2002
2003                        mBinding.actions.setNumColumns(actionsAdapter.getCount() > 1 ? 2 : 1);
2004                    }
2005
2006                    @Override
2007                    public void onInvalidated() {}
2008                });
2009            }
2010
2011            public String getTitle() {
2012                return mTitle;
2013            }
2014
2015            public void updateWithResponse(IqPacket iq) {
2016                this.loadingTimer.cancel();
2017                this.loadingTimer = new Timer();
2018                this.loading = false;
2019                this.responseElement = null;
2020                this.reported = null;
2021                this.response = iq;
2022                this.items.clear();
2023                this.actionsAdapter.clear();
2024                layoutManager.setSpanCount(1);
2025
2026                Element command = iq.findChild("command", "http://jabber.org/protocol/commands");
2027                if (iq.getType() == IqPacket.TYPE.RESULT && command != null) {
2028                    for (Element el : command.getChildren()) {
2029                        if (el.getName().equals("actions") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2030                            for (Element action : el.getChildren()) {
2031                                if (!el.getNamespace().equals("http://jabber.org/protocol/commands")) continue;
2032                                if (action.getName().equals("execute")) continue;
2033
2034                                actionsAdapter.add(action.getName());
2035                            }
2036                        }
2037                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:data")) {
2038                            String title = el.findChildContent("title", "jabber:x:data");
2039                            if (title != null) {
2040                                mTitle = title;
2041                                ConversationPagerAdapter.this.notifyDataSetChanged();
2042                            }
2043
2044                            if (el.getAttribute("type").equals("result") || el.getAttribute("type").equals("form")) {
2045                                this.responseElement = el;
2046                                setupReported(el.findChild("reported", "jabber:x:data"));
2047                                layoutManager.setSpanCount(this.reported == null ? 1 : this.reported.size());
2048                            }
2049                            break;
2050                        }
2051                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:oob")) {
2052                            String url = el.findChildContent("url", "jabber:x:oob");
2053                            if (url != null) {
2054                                String scheme = Uri.parse(url).getScheme();
2055                                if (scheme.equals("http") || scheme.equals("https")) {
2056                                    this.responseElement = el;
2057                                    break;
2058                                }
2059                            }
2060                        }
2061                        if (el.getName().equals("note") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2062                            this.responseElement = el;
2063                            break;
2064                        }
2065                    }
2066
2067                    if (responseElement == null && (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled"))) {
2068                        removeSession(this);
2069                        return;
2070                    }
2071
2072                    if (command.getAttribute("status").equals("executing") && actionsAdapter.getCount() < 1) {
2073                        // No actions have been given, but we are not done?
2074                        // This is probably a spec violation, but we should do *something*
2075                        actionsAdapter.add("execute");
2076                    }
2077
2078                    if (!actionsAdapter.isEmpty()) {
2079                        if (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled")) {
2080                            actionsAdapter.add("close");
2081                        } else if (actionsAdapter.getPosition("cancel") < 0) {
2082                            actionsAdapter.insert("cancel", 0);
2083                        }
2084                    }
2085                }
2086
2087                if (actionsAdapter.isEmpty()) {
2088                    actionsAdapter.add("close");
2089                }
2090
2091                notifyDataSetChanged();
2092            }
2093
2094            protected void setupReported(Element el) {
2095                if (el == null) {
2096                    reported = null;
2097                    return;
2098                }
2099
2100                reported = new ArrayList<>();
2101                for (Element fieldEl : el.getChildren()) {
2102                    if (!fieldEl.getName().equals("field") || !fieldEl.getNamespace().equals("jabber:x:data")) continue;
2103                    reported.add(mkField(fieldEl));
2104                }
2105            }
2106
2107            @Override
2108            public int getItemCount() {
2109                if (loading) return 1;
2110                if (response == null) return 0;
2111                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null && responseElement.getNamespace().equals("jabber:x:data")) {
2112                    int i = 0;
2113                    for (Element el : responseElement.getChildren()) {
2114                        if (!el.getNamespace().equals("jabber:x:data")) continue;
2115                        if (el.getName().equals("title")) continue;
2116                        if (el.getName().equals("field")) {
2117                            String type = el.getAttribute("type");
2118                            if (type != null && type.equals("hidden")) continue;
2119                        }
2120
2121                        if (el.getName().equals("reported") || el.getName().equals("item")) {
2122                            if (reported != null) i += reported.size();
2123                            continue;
2124                        }
2125
2126                        i++;
2127                    }
2128                    return i;
2129                }
2130                return 1;
2131            }
2132
2133            public Item getItem(int position) {
2134                if (loading) return new Item(null, TYPE_PROGRESSBAR);
2135                if (items.get(position) != null) return items.get(position);
2136                if (response == null) return null;
2137
2138                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null) {
2139                    if (responseElement.getNamespace().equals("jabber:x:data")) {
2140                        int i = 0;
2141                        for (Element el : responseElement.getChildren()) {
2142                            if (!el.getNamespace().equals("jabber:x:data")) continue;
2143                            if (el.getName().equals("title")) continue;
2144                            if (el.getName().equals("field")) {
2145                                String type = el.getAttribute("type");
2146                                if (type != null && type.equals("hidden")) continue;
2147                            }
2148
2149                            if (el.getName().equals("reported") || el.getName().equals("item")) {
2150                                Cell cell = null;
2151
2152                                if (reported != null) {
2153                                    if (reported.size() > position - i) {
2154                                        Field reportedField = reported.get(position - i);
2155                                        Element itemField = null;
2156                                        if (el.getName().equals("item")) {
2157                                            for (Element subel : el.getChildren()) {
2158                                                if (subel.getAttribute("var").equals(reportedField.getVar())) {
2159                                                   itemField = subel;
2160                                                   break;
2161                                                }
2162                                            }
2163                                        }
2164                                        cell = new Cell(reportedField, itemField);
2165                                    } else {
2166                                        i += reported.size();
2167                                        continue;
2168                                    }
2169                                }
2170
2171                                if (cell != null) {
2172                                    items.put(position, cell);
2173                                    return cell;
2174                                }
2175                            }
2176
2177                            if (i < position) {
2178                                i++;
2179                                continue;
2180                            }
2181
2182                            return mkItem(el, position);
2183                        }
2184                    }
2185                }
2186
2187                return mkItem(responseElement == null ? response : responseElement, position);
2188            }
2189
2190            @Override
2191            public int getItemViewType(int position) {
2192                return getItem(position).viewType;
2193            }
2194
2195            @Override
2196            public ViewHolder onCreateViewHolder(ViewGroup container, int viewType) {
2197                switch(viewType) {
2198                    case TYPE_ERROR: {
2199                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
2200                        return new ErrorViewHolder(binding);
2201                    }
2202                    case TYPE_NOTE: {
2203                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
2204                        return new NoteViewHolder(binding);
2205                    }
2206                    case TYPE_WEB: {
2207                        CommandWebviewBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_webview, container, false);
2208                        return new WebViewHolder(binding);
2209                    }
2210                    case TYPE_RESULT_FIELD: {
2211                        CommandResultFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_field, container, false);
2212                        return new ResultFieldViewHolder(binding);
2213                    }
2214                    case TYPE_RESULT_CELL: {
2215                        CommandResultCellBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_cell, container, false);
2216                        return new ResultCellViewHolder(binding);
2217                    }
2218                    case TYPE_CHECKBOX_FIELD: {
2219                        CommandCheckboxFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_checkbox_field, container, false);
2220                        return new CheckboxFieldViewHolder(binding);
2221                    }
2222                    case TYPE_SEARCH_LIST_FIELD: {
2223                        CommandSearchListFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_search_list_field, container, false);
2224                        return new SearchListFieldViewHolder(binding);
2225                    }
2226                    case TYPE_RADIO_EDIT_FIELD: {
2227                        CommandRadioEditFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_radio_edit_field, container, false);
2228                        return new RadioEditFieldViewHolder(binding);
2229                    }
2230                    case TYPE_SPINNER_FIELD: {
2231                        CommandSpinnerFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_spinner_field, container, false);
2232                        return new SpinnerFieldViewHolder(binding);
2233                    }
2234                    case TYPE_TEXT_FIELD: {
2235                        CommandTextFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_text_field, container, false);
2236                        return new TextFieldViewHolder(binding);
2237                    }
2238                    case TYPE_PROGRESSBAR: {
2239                        CommandProgressBarBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_progress_bar, container, false);
2240                        return new ProgressBarViewHolder(binding);
2241                    }
2242                    default:
2243                        throw new IllegalArgumentException("Unknown viewType: " + viewType);
2244                }
2245            }
2246
2247            @Override
2248            public void onBindViewHolder(ViewHolder viewHolder, int position) {
2249                viewHolder.bind(getItem(position));
2250            }
2251
2252            public View getView() {
2253                return mBinding.getRoot();
2254            }
2255
2256            public boolean validate() {
2257                int count = getItemCount();
2258                boolean isValid = true;
2259                for (int i = 0; i < count; i++) {
2260                    boolean oneIsValid = getItem(i).validate();
2261                    isValid = isValid && oneIsValid;
2262                }
2263                notifyDataSetChanged();
2264                return isValid;
2265            }
2266
2267            public boolean execute() {
2268                return execute("execute");
2269            }
2270
2271            public boolean execute(int actionPosition) {
2272                return execute(actionsAdapter.getItem(actionPosition));
2273            }
2274
2275            public boolean execute(String action) {
2276                if (!action.equals("cancel") && !action.equals("prev") && !validate()) return false;
2277                if (response == null) return true;
2278                Element command = response.findChild("command", "http://jabber.org/protocol/commands");
2279                if (command == null) return true;
2280                String status = command.getAttribute("status");
2281                if (status == null || (!status.equals("executing") && !action.equals("prev"))) return true;
2282
2283                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
2284                packet.setTo(response.getFrom());
2285                final Element c = packet.addChild("command", Namespace.COMMANDS);
2286                c.setAttribute("node", command.getAttribute("node"));
2287                c.setAttribute("sessionid", command.getAttribute("sessionid"));
2288                c.setAttribute("action", action);
2289
2290                String formType = responseElement == null ? null : responseElement.getAttribute("type");
2291                if (!action.equals("cancel") &&
2292                    !action.equals("prev") &&
2293                    responseElement != null &&
2294                    responseElement.getName().equals("x") &&
2295                    responseElement.getNamespace().equals("jabber:x:data") &&
2296                    formType != null && formType.equals("form")) {
2297
2298                    responseElement.setAttribute("type", "submit");
2299                    Element rsm = responseElement.findChild("set", "http://jabber.org/protocol/rsm");
2300                    if (rsm != null) {
2301                        Element max = new Element("max", "http://jabber.org/protocol/rsm");
2302                        max.setContent("1000");
2303                        rsm.addChild(max);
2304                    }
2305                    c.addChild(responseElement);
2306                }
2307
2308                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
2309                    getView().post(() -> {
2310                        updateWithResponse(iq);
2311                    });
2312                });
2313
2314                loading();
2315                return false;
2316            }
2317
2318            protected void loading() {
2319                loadingTimer.schedule(new TimerTask() {
2320                    @Override
2321                    public void run() {
2322                        getView().post(() -> {
2323                            loading = true;
2324                            notifyDataSetChanged();
2325                        });
2326                    }
2327                }, 500);
2328            }
2329
2330            protected GridLayoutManager setupLayoutManager() {
2331                layoutManager = new GridLayoutManager(mPager.getContext(), layoutManager == null ? 1 : layoutManager.getSpanCount());
2332                layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
2333                    @Override
2334                    public int getSpanSize(int position) {
2335                        if (getItemViewType(position) != TYPE_RESULT_CELL) return layoutManager.getSpanCount();
2336                        return 1;
2337                    }
2338                });
2339                return layoutManager;
2340            }
2341
2342            public void setBinding(CommandPageBinding b) {
2343                mBinding = b;
2344                // https://stackoverflow.com/a/32350474/8611
2345                mBinding.form.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
2346                    @Override
2347                    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
2348                        if(rv.getChildCount() > 0) {
2349                            int[] location = new int[2];
2350                            rv.getLocationOnScreen(location);
2351                            View childView = rv.findChildViewUnder(e.getX(), e.getY());
2352                            if (childView instanceof ViewGroup) {
2353                                childView = findViewAt((ViewGroup) childView, location[0] + e.getX(), location[1] + e.getY());
2354                            }
2355                            if ((childView instanceof ListView && ((ListView) childView).canScrollList(1)) || childView instanceof WebView) {
2356                                int action = e.getAction();
2357                                switch (action) {
2358                                    case MotionEvent.ACTION_DOWN:
2359                                        rv.requestDisallowInterceptTouchEvent(true);
2360                                }
2361                            }
2362                        }
2363
2364                        return false;
2365                    }
2366
2367                    @Override
2368                    public void onRequestDisallowInterceptTouchEvent(boolean disallow) { }
2369
2370                    @Override
2371                    public void onTouchEvent(RecyclerView rv, MotionEvent e) { }
2372                });
2373                mBinding.form.setLayoutManager(setupLayoutManager());
2374                mBinding.form.setAdapter(this);
2375                mBinding.actions.setAdapter(actionsAdapter);
2376                mBinding.actions.setOnItemClickListener((parent, v, pos, id) -> {
2377                    if (execute(pos)) {
2378                        removeSession(CommandSession.this);
2379                    }
2380                });
2381
2382                actionsAdapter.notifyDataSetChanged();
2383            }
2384
2385            // https://stackoverflow.com/a/36037991/8611
2386            private View findViewAt(ViewGroup viewGroup, float x, float y) {
2387                for(int i = 0; i < viewGroup.getChildCount(); i++) {
2388                    View child = viewGroup.getChildAt(i);
2389                    if (child instanceof ViewGroup && !(child instanceof ListView) && !(child instanceof WebView)) {
2390                        View foundView = findViewAt((ViewGroup) child, x, y);
2391                        if (foundView != null && foundView.isShown()) {
2392                            return foundView;
2393                        }
2394                    } else {
2395                        int[] location = new int[2];
2396                        child.getLocationOnScreen(location);
2397                        Rect rect = new Rect(location[0], location[1], location[0] + child.getWidth(), location[1] + child.getHeight());
2398                        if (rect.contains((int)x, (int)y)) {
2399                            return child;
2400                        }
2401                    }
2402                }
2403
2404                return null;
2405            }
2406        }
2407    }
2408}