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            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 (o == mPager.getChildAt(0)) return PagerAdapter.POSITION_UNCHANGED;
1322            if (o == mPager.getChildAt(1)) return PagerAdapter.POSITION_UNCHANGED;
1323
1324            int pos = sessions == null ? -1 : sessions.indexOf(o);
1325            if (pos < 0) return PagerAdapter.POSITION_NONE;
1326            return pos + 2;
1327        }
1328
1329        @Override
1330        public int getCount() {
1331            if (sessions == null) return 1;
1332
1333            int count = 2 + sessions.size();
1334            if (mTabs == null) return count;
1335
1336            if (count > 2) {
1337                mTabs.setTabMode(TabLayout.MODE_SCROLLABLE);
1338            } else {
1339                mTabs.setTabMode(TabLayout.MODE_FIXED);
1340            }
1341            return count;
1342        }
1343
1344        @Override
1345        public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
1346            if (view == o) return true;
1347
1348            if (o instanceof CommandSession) {
1349                return ((CommandSession) o).getView() == view;
1350            }
1351
1352            return false;
1353        }
1354
1355        @Nullable
1356        @Override
1357        public CharSequence getPageTitle(int position) {
1358            switch (position) {
1359                case 0:
1360                    return "Conversation";
1361                case 1:
1362                    return "Commands";
1363                default:
1364                    CommandSession session = sessions.get(position-2);
1365                    if (session == null) return super.getPageTitle(position);
1366                    return session.getTitle();
1367            }
1368        }
1369
1370        class CommandSession extends RecyclerView.Adapter<CommandSession.ViewHolder> {
1371            abstract class ViewHolder<T extends ViewDataBinding> extends RecyclerView.ViewHolder {
1372                protected T binding;
1373
1374                public ViewHolder(T binding) {
1375                    super(binding.getRoot());
1376                    this.binding = binding;
1377                }
1378
1379                abstract public void bind(Item el);
1380
1381                protected void setTextOrHide(TextView v, Optional<String> s) {
1382                    if (s == null || !s.isPresent()) {
1383                        v.setVisibility(View.GONE);
1384                    } else {
1385                        v.setVisibility(View.VISIBLE);
1386                        v.setText(s.get());
1387                    }
1388                }
1389
1390                protected void setupInputType(Element field, TextView textinput, TextInputLayout layout) {
1391                    int flags = 0;
1392                    if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_NONE);
1393                    textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1394
1395                    String type = field.getAttribute("type");
1396                    if (type != null) {
1397                        if (type.equals("text-multi") || type.equals("jid-multi")) {
1398                            flags |= InputType.TYPE_TEXT_FLAG_MULTI_LINE;
1399                        }
1400
1401                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1402
1403                        if (type.equals("jid-single") || type.equals("jid-multi")) {
1404                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1405                        }
1406
1407                        if (type.equals("text-private")) {
1408                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
1409                            if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_PASSWORD_TOGGLE);
1410                        }
1411                    }
1412
1413                    Element validate = field.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1414                    if (validate == null) return;
1415                    String datatype = validate.getAttribute("datatype");
1416                    if (datatype == null) return;
1417
1418                    if (datatype.equals("xs:integer") || datatype.equals("xs:int") || datatype.equals("xs:long") || datatype.equals("xs:short") || datatype.equals("xs:byte")) {
1419                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED);
1420                    }
1421
1422                    if (datatype.equals("xs:decimal") || datatype.equals("xs:double")) {
1423                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL);
1424                    }
1425
1426                    if (datatype.equals("xs:date")) {
1427                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_DATE);
1428                    }
1429
1430                    if (datatype.equals("xs:dateTime")) {
1431                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_NORMAL);
1432                    }
1433
1434                    if (datatype.equals("xs:time")) {
1435                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_TIME);
1436                    }
1437
1438                    if (datatype.equals("xs:anyURI")) {
1439                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
1440                    }
1441
1442                    if (datatype.equals("html:tel")) {
1443                        textinput.setInputType(flags | InputType.TYPE_CLASS_PHONE);
1444                    }
1445
1446                    if (datatype.equals("html:email")) {
1447                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1448                    }
1449                }
1450            }
1451
1452            class ErrorViewHolder extends ViewHolder<CommandNoteBinding> {
1453                public ErrorViewHolder(CommandNoteBinding binding) { super(binding); }
1454
1455                @Override
1456                public void bind(Item iq) {
1457                    binding.errorIcon.setVisibility(View.VISIBLE);
1458
1459                    Element error = iq.el.findChild("error");
1460                    if (error == null) return;
1461                    String text = error.findChildContent("text", "urn:ietf:params:xml:ns:xmpp-stanzas");
1462                    if (text == null || text.equals("")) {
1463                        text = error.getChildren().get(0).getName();
1464                    }
1465                    binding.message.setText(text);
1466                }
1467            }
1468
1469            class NoteViewHolder extends ViewHolder<CommandNoteBinding> {
1470                public NoteViewHolder(CommandNoteBinding binding) { super(binding); }
1471
1472                @Override
1473                public void bind(Item note) {
1474                    binding.message.setText(note.el.getContent());
1475
1476                    String type = note.el.getAttribute("type");
1477                    if (type != null && type.equals("error")) {
1478                        binding.errorIcon.setVisibility(View.VISIBLE);
1479                    }
1480                }
1481            }
1482
1483            class ResultFieldViewHolder extends ViewHolder<CommandResultFieldBinding> {
1484                public ResultFieldViewHolder(CommandResultFieldBinding binding) { super(binding); }
1485
1486                @Override
1487                public void bind(Item item) {
1488                    Field field = (Field) item;
1489                    setTextOrHide(binding.label, field.getLabel());
1490                    setTextOrHide(binding.desc, field.getDesc());
1491
1492                    ArrayAdapter<String> values = new ArrayAdapter<String>(binding.getRoot().getContext(), R.layout.simple_list_item);
1493                    for (Element el : field.el.getChildren()) {
1494                        if (el.getName().equals("value") && el.getNamespace().equals("jabber:x:data")) {
1495                            values.add(el.getContent());
1496                        }
1497                    }
1498                    binding.values.setAdapter(values);
1499
1500                    ClipboardManager clipboard = (ClipboardManager) binding.getRoot().getContext().getSystemService(Context.CLIPBOARD_SERVICE);
1501                    binding.values.setOnItemLongClickListener((arg0, arg1, pos, id) -> {
1502                        ClipData myClip = ClipData.newPlainText("text", values.getItem(pos));
1503                        clipboard.setPrimaryClip(myClip);
1504                        Toast.makeText(binding.getRoot().getContext(), R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1505                        return true;
1506                    });
1507                }
1508            }
1509
1510            class ResultCellViewHolder extends ViewHolder<CommandResultCellBinding> {
1511                public ResultCellViewHolder(CommandResultCellBinding binding) { super(binding); }
1512
1513                @Override
1514                public void bind(Item item) {
1515                    Cell cell = (Cell) item;
1516
1517                    if (cell.el == null) {
1518                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Subhead);
1519                        setTextOrHide(binding.text, cell.reported.getLabel());
1520                    } else {
1521                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Body1);
1522                        binding.text.setText(cell.el.findChildContent("value", "jabber:x:data"));
1523                    }
1524                }
1525            }
1526
1527            class CheckboxFieldViewHolder extends ViewHolder<CommandCheckboxFieldBinding> implements CompoundButton.OnCheckedChangeListener {
1528                public CheckboxFieldViewHolder(CommandCheckboxFieldBinding binding) {
1529                    super(binding);
1530                    binding.row.setOnClickListener((v) -> {
1531                        binding.checkbox.toggle();
1532                    });
1533                    binding.checkbox.setOnCheckedChangeListener(this);
1534                }
1535                protected Element mValue = null;
1536
1537                @Override
1538                public void bind(Item item) {
1539                    Field field = (Field) item;
1540                    binding.label.setText(field.getLabel().or(""));
1541                    setTextOrHide(binding.desc, field.getDesc());
1542                    mValue = field.getValue();
1543                    binding.checkbox.setChecked(mValue.getContent() != null && (mValue.getContent().equals("true") || mValue.getContent().equals("1")));
1544                }
1545
1546                @Override
1547                public void onCheckedChanged(CompoundButton checkbox, boolean isChecked) {
1548                    if (mValue == null) return;
1549
1550                    mValue.setContent(isChecked ? "true" : "false");
1551                }
1552            }
1553
1554            class SearchListFieldViewHolder extends ViewHolder<CommandSearchListFieldBinding> implements TextWatcher {
1555                public SearchListFieldViewHolder(CommandSearchListFieldBinding binding) {
1556                    super(binding);
1557                    binding.search.addTextChangedListener(this);
1558                }
1559                protected Element mValue = null;
1560                List<Option> options = new ArrayList<>();
1561                protected ArrayAdapter<Option> adapter;
1562                protected boolean open;
1563
1564                @Override
1565                public void bind(Item item) {
1566                    Field field = (Field) item;
1567                    setTextOrHide(binding.label, field.getLabel());
1568                    setTextOrHide(binding.desc, field.getDesc());
1569
1570                    if (field.error != null) {
1571                        binding.desc.setVisibility(View.VISIBLE);
1572                        binding.desc.setText(field.error);
1573                        binding.desc.setTextAppearance(R.style.TextAppearance_Conversations_Design_Error);
1574                    } else {
1575                        binding.desc.setTextAppearance(R.style.TextAppearance_Conversations_Status);
1576                    }
1577
1578                    mValue = field.getValue();
1579
1580                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1581                    open = validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null;
1582                    setupInputType(field.el, binding.search, null);
1583
1584                    options = field.getOptions();
1585                    binding.list.setOnItemClickListener((parent, view, position, id) -> {
1586                        mValue.setContent(adapter.getItem(binding.list.getCheckedItemPosition()).getValue());
1587                        if (open) binding.search.setText(mValue.getContent());
1588                    });
1589                    search("");
1590                }
1591
1592                @Override
1593                public void afterTextChanged(Editable s) {
1594                    if (open) mValue.setContent(s.toString());
1595                    search(s.toString());
1596                }
1597
1598                @Override
1599                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1600
1601                @Override
1602                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1603
1604                protected void search(String s) {
1605                    List<Option> filteredOptions;
1606                    final String q = s.replaceAll("\\W", "").toLowerCase();
1607                    if (q == null || q.equals("")) {
1608                        filteredOptions = options;
1609                    } else {
1610                        filteredOptions = options.stream().filter(o -> o.toString().replaceAll("\\W", "").toLowerCase().contains(q)).collect(Collectors.toList());
1611                    }
1612                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item, filteredOptions);
1613                    binding.list.setAdapter(adapter);
1614
1615                    int checkedPos = filteredOptions.indexOf(new Option(mValue.getContent(), ""));
1616                    if (checkedPos >= 0) binding.list.setItemChecked(checkedPos, true);
1617                }
1618            }
1619
1620            class RadioEditFieldViewHolder extends ViewHolder<CommandRadioEditFieldBinding> implements CompoundButton.OnCheckedChangeListener, TextWatcher {
1621                public RadioEditFieldViewHolder(CommandRadioEditFieldBinding binding) {
1622                    super(binding);
1623                    binding.open.addTextChangedListener(this);
1624                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.radio_grid_item) {
1625                        @Override
1626                        public View getView(int position, View convertView, ViewGroup parent) {
1627                            CompoundButton v = (CompoundButton) super.getView(position, convertView, parent);
1628                            v.setId(position);
1629                            v.setChecked(getItem(position).getValue().equals(mValue.getContent()));
1630                            v.setOnCheckedChangeListener(RadioEditFieldViewHolder.this);
1631                            return v;
1632                        }
1633                    };
1634                }
1635                protected Element mValue = null;
1636                protected ArrayAdapter<Option> options;
1637
1638                @Override
1639                public void bind(Item item) {
1640                    Field field = (Field) item;
1641                    setTextOrHide(binding.label, field.getLabel());
1642                    setTextOrHide(binding.desc, field.getDesc());
1643
1644                    if (field.error != null) {
1645                        binding.desc.setVisibility(View.VISIBLE);
1646                        binding.desc.setText(field.error);
1647                        binding.desc.setTextAppearance(R.style.TextAppearance_Conversations_Design_Error);
1648                    } else {
1649                        binding.desc.setTextAppearance(R.style.TextAppearance_Conversations_Status);
1650                    }
1651
1652                    mValue = field.getValue();
1653
1654                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1655                    binding.open.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
1656                    binding.open.setText(mValue.getContent());
1657                    setupInputType(field.el, binding.open, null);
1658
1659                    options.clear();
1660                    List<Option> theOptions = field.getOptions();
1661                    options.addAll(theOptions);
1662
1663                    float screenWidth = binding.getRoot().getContext().getResources().getDisplayMetrics().widthPixels;
1664                    TextPaint paint = ((TextView) LayoutInflater.from(binding.getRoot().getContext()).inflate(R.layout.radio_grid_item, null)).getPaint();
1665                    float maxColumnWidth = theOptions.stream().map((x) ->
1666                        StaticLayout.getDesiredWidth(x.toString(), paint)
1667                    ).max(Float::compare).orElse(new Float(0.0));
1668                    if (maxColumnWidth * theOptions.size() < 0.90 * screenWidth) {
1669                        binding.radios.setNumColumns(theOptions.size());
1670                    } else if (maxColumnWidth * (theOptions.size() / 2) < 0.90 * screenWidth) {
1671                        binding.radios.setNumColumns(theOptions.size() / 2);
1672                    } else {
1673                        binding.radios.setNumColumns(1);
1674                    }
1675                    binding.radios.setAdapter(options);
1676                }
1677
1678                @Override
1679                public void onCheckedChanged(CompoundButton radio, boolean isChecked) {
1680                    if (mValue == null) return;
1681
1682                    if (isChecked) {
1683                        mValue.setContent(options.getItem(radio.getId()).getValue());
1684                        binding.open.setText(mValue.getContent());
1685                    }
1686                    options.notifyDataSetChanged();
1687                }
1688
1689                @Override
1690                public void afterTextChanged(Editable s) {
1691                    if (mValue == null) return;
1692
1693                    mValue.setContent(s.toString());
1694                    options.notifyDataSetChanged();
1695                }
1696
1697                @Override
1698                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1699
1700                @Override
1701                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1702            }
1703
1704            class SpinnerFieldViewHolder extends ViewHolder<CommandSpinnerFieldBinding> implements AdapterView.OnItemSelectedListener {
1705                public SpinnerFieldViewHolder(CommandSpinnerFieldBinding binding) {
1706                    super(binding);
1707                    binding.spinner.setOnItemSelectedListener(this);
1708                }
1709                protected Element mValue = null;
1710
1711                @Override
1712                public void bind(Item item) {
1713                    Field field = (Field) item;
1714                    setTextOrHide(binding.label, field.getLabel());
1715                    binding.spinner.setPrompt(field.getLabel().or(""));
1716                    setTextOrHide(binding.desc, field.getDesc());
1717
1718                    mValue = field.getValue();
1719
1720                    ArrayAdapter<Option> options = new ArrayAdapter<Option>(binding.getRoot().getContext(), android.R.layout.simple_spinner_item);
1721                    options.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
1722                    options.addAll(field.getOptions());
1723
1724                    binding.spinner.setAdapter(options);
1725                    binding.spinner.setSelection(options.getPosition(new Option(mValue.getContent(), null)));
1726                }
1727
1728                @Override
1729                public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
1730                    Option o = (Option) parent.getItemAtPosition(pos);
1731                    if (mValue == null) return;
1732
1733                    mValue.setContent(o == null ? "" : o.getValue());
1734                }
1735
1736                @Override
1737                public void onNothingSelected(AdapterView<?> parent) {
1738                    mValue.setContent("");
1739                }
1740            }
1741
1742            class TextFieldViewHolder extends ViewHolder<CommandTextFieldBinding> implements TextWatcher {
1743                public TextFieldViewHolder(CommandTextFieldBinding binding) {
1744                    super(binding);
1745                    binding.textinput.addTextChangedListener(this);
1746                }
1747                protected Element mValue = null;
1748
1749                @Override
1750                public void bind(Item item) {
1751                    Field field = (Field) item;
1752                    binding.textinputLayout.setHint(field.getLabel().or(""));
1753
1754                    binding.textinputLayout.setHelperTextEnabled(field.getDesc().isPresent());
1755                    for (String desc : field.getDesc().asSet()) {
1756                        binding.textinputLayout.setHelperText(desc);
1757                    }
1758
1759                    binding.textinputLayout.setErrorEnabled(field.error != null);
1760                    if (field.error != null) binding.textinputLayout.setError(field.error);
1761
1762                    mValue = field.getValue();
1763                    binding.textinput.setText(mValue.getContent());
1764                    setupInputType(field.el, binding.textinput, binding.textinputLayout);
1765                }
1766
1767                @Override
1768                public void afterTextChanged(Editable s) {
1769                    if (mValue == null) return;
1770
1771                    mValue.setContent(s.toString());
1772                }
1773
1774                @Override
1775                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1776
1777                @Override
1778                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1779            }
1780
1781            class WebViewHolder extends ViewHolder<CommandWebviewBinding> {
1782                public WebViewHolder(CommandWebviewBinding binding) { super(binding); }
1783
1784                @Override
1785                public void bind(Item oob) {
1786                    setTextOrHide(binding.desc, Optional.fromNullable(oob.el.findChildContent("desc", "jabber:x:oob")));
1787                    binding.webview.getSettings().setJavaScriptEnabled(true);
1788                    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");
1789                    binding.webview.getSettings().setDatabaseEnabled(true);
1790                    binding.webview.getSettings().setDomStorageEnabled(true);
1791                    binding.webview.setWebChromeClient(new WebChromeClient() {
1792                        @Override
1793                        public void onProgressChanged(WebView view, int newProgress) {
1794                            binding.progressbar.setVisibility(newProgress < 100 ? View.VISIBLE : View.GONE);
1795                            binding.progressbar.setProgress(newProgress);
1796                        }
1797                    });
1798                    binding.webview.setWebViewClient(new WebViewClient() {
1799                        @Override
1800                        public void onPageFinished(WebView view, String url) {
1801                            super.onPageFinished(view, url);
1802                            mTitle = view.getTitle();
1803                            ConversationPagerAdapter.this.notifyDataSetChanged();
1804                        }
1805                    });
1806                    binding.webview.addJavascriptInterface(new JsObject(), "xmpp_xep0050");
1807                    binding.webview.loadUrl(oob.el.findChildContent("url", "jabber:x:oob"));
1808                }
1809
1810                class JsObject {
1811                    @JavascriptInterface
1812                    public void execute() { execute("execute"); }
1813                    public void execute(String action) {
1814                        getView().post(() -> {
1815                            if(CommandSession.this.execute(action)) {
1816                                removeSession(CommandSession.this);
1817                            }
1818                        });
1819                    }
1820                }
1821            }
1822
1823            class ProgressBarViewHolder extends ViewHolder<CommandProgressBarBinding> {
1824                public ProgressBarViewHolder(CommandProgressBarBinding binding) { super(binding); }
1825
1826                @Override
1827                public void bind(Item item) { }
1828            }
1829
1830            class Item {
1831                protected Element el;
1832                protected int viewType;
1833                protected String error = null;
1834
1835                Item(Element el, int viewType) {
1836                    this.el = el;
1837                    this.viewType = viewType;
1838                }
1839
1840                public boolean validate() {
1841                    error = null;
1842                    return true;
1843                }
1844            }
1845
1846            class Field extends Item {
1847                Field(Element el, int viewType) { super(el, viewType); }
1848
1849                @Override
1850                public boolean validate() {
1851                    if (!super.validate()) return false;
1852                    if (el.findChild("required", "jabber:x:data") == null) return true;
1853                    if (getValue().getContent() != null && !getValue().getContent().equals("")) return true;
1854
1855                    error = "this value is required";
1856                    return false;
1857                }
1858
1859                public String getVar() {
1860                    return el.getAttribute("var");
1861                }
1862
1863                public Optional<String> getLabel() {
1864                    String label = el.getAttribute("label");
1865                    if (label == null) label = getVar();
1866                    return Optional.fromNullable(label);
1867                }
1868
1869                public Optional<String> getDesc() {
1870                    return Optional.fromNullable(el.findChildContent("desc", "jabber:x:data"));
1871                }
1872
1873                public Element getValue() {
1874                    Element value = el.findChild("value", "jabber:x:data");
1875                    if (value == null) {
1876                        value = el.addChild("value", "jabber:x:data");
1877                    }
1878                    return value;
1879                }
1880
1881                public List<Option> getOptions() {
1882                    return Option.forField(el);
1883                }
1884            }
1885
1886            class Cell extends Item {
1887                protected Field reported;
1888
1889                Cell(Field reported, Element item) {
1890                    super(item, TYPE_RESULT_CELL);
1891                    this.reported = reported;
1892                }
1893            }
1894
1895            protected Field mkField(Element el) {
1896                int viewType = -1;
1897
1898                String formType = responseElement.getAttribute("type");
1899                if (formType != null) {
1900                    String fieldType = el.getAttribute("type");
1901                    if (fieldType == null) fieldType = "text-single";
1902
1903                    if (formType.equals("result") || fieldType.equals("fixed")) {
1904                        viewType = TYPE_RESULT_FIELD;
1905                    } else if (formType.equals("form")) {
1906                        if (fieldType.equals("boolean")) {
1907                            viewType = TYPE_CHECKBOX_FIELD;
1908                        } else if (fieldType.equals("list-single")) {
1909                            Element validate = el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1910                            if (Option.forField(el).size() > 9) {
1911                                viewType = TYPE_SEARCH_LIST_FIELD;
1912                            } else if (el.findChild("value", "jabber:x:data") == null || (validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null)) {
1913                                viewType = TYPE_RADIO_EDIT_FIELD;
1914                            } else {
1915                                viewType = TYPE_SPINNER_FIELD;
1916                            }
1917                        } else {
1918                            viewType = TYPE_TEXT_FIELD;
1919                        }
1920                    }
1921
1922                    return new Field(el, viewType);
1923                }
1924
1925                return null;
1926            }
1927
1928            protected Item mkItem(Element el, int pos) {
1929                int viewType = -1;
1930
1931                if (response != null && response.getType() == IqPacket.TYPE.RESULT) {
1932                    if (el.getName().equals("note")) {
1933                        viewType = TYPE_NOTE;
1934                    } else if (el.getNamespace().equals("jabber:x:oob")) {
1935                        viewType = TYPE_WEB;
1936                    } else if (el.getName().equals("instructions") && el.getNamespace().equals("jabber:x:data")) {
1937                        viewType = TYPE_NOTE;
1938                    } else if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data")) {
1939                        Field field = mkField(el);
1940                        if (field != null) {
1941                            items.put(pos, field);
1942                            return field;
1943                        }
1944                    }
1945                } else if (response != null) {
1946                    viewType = TYPE_ERROR;
1947                }
1948
1949                Item item = new Item(el, viewType);
1950                items.put(pos, item);
1951                return item;
1952            }
1953
1954            final int TYPE_ERROR = 1;
1955            final int TYPE_NOTE = 2;
1956            final int TYPE_WEB = 3;
1957            final int TYPE_RESULT_FIELD = 4;
1958            final int TYPE_TEXT_FIELD = 5;
1959            final int TYPE_CHECKBOX_FIELD = 6;
1960            final int TYPE_SPINNER_FIELD = 7;
1961            final int TYPE_RADIO_EDIT_FIELD = 8;
1962            final int TYPE_RESULT_CELL = 9;
1963            final int TYPE_PROGRESSBAR = 10;
1964            final int TYPE_SEARCH_LIST_FIELD = 11;
1965
1966            protected boolean loading = false;
1967            protected Timer loadingTimer = new Timer();
1968            protected String mTitle;
1969            protected CommandPageBinding mBinding = null;
1970            protected IqPacket response = null;
1971            protected Element responseElement = null;
1972            protected List<Field> reported = null;
1973            protected SparseArray<Item> items = new SparseArray<>();
1974            protected XmppConnectionService xmppConnectionService;
1975            protected ArrayAdapter<String> actionsAdapter;
1976            protected GridLayoutManager layoutManager;
1977
1978            CommandSession(String title, XmppConnectionService xmppConnectionService) {
1979                loading();
1980                mTitle = title;
1981                this.xmppConnectionService = xmppConnectionService;
1982                if (mPager != null) setupLayoutManager();
1983                actionsAdapter = new ArrayAdapter<String>(xmppConnectionService, R.layout.simple_list_item) {
1984                    @Override
1985                    public View getView(int position, View convertView, ViewGroup parent) {
1986                        View v = super.getView(position, convertView, parent);
1987                        TextView tv = (TextView) v.findViewById(android.R.id.text1);
1988                        tv.setGravity(Gravity.CENTER);
1989                        int resId = xmppConnectionService.getResources().getIdentifier("action_" + tv.getText() , "string" , xmppConnectionService.getPackageName());
1990                        if (resId != 0) tv.setText(xmppConnectionService.getResources().getString(resId));
1991                        tv.setTextColor(ContextCompat.getColor(xmppConnectionService, R.color.white));
1992                        tv.setBackgroundColor(UIHelper.getColorForName(tv.getText().toString()));
1993                        return v;
1994                    }
1995                };
1996                actionsAdapter.registerDataSetObserver(new DataSetObserver() {
1997                    @Override
1998                    public void onChanged() {
1999                        if (mBinding == null) return;
2000
2001                        mBinding.actions.setNumColumns(actionsAdapter.getCount() > 1 ? 2 : 1);
2002                    }
2003
2004                    @Override
2005                    public void onInvalidated() {}
2006                });
2007            }
2008
2009            public String getTitle() {
2010                return mTitle;
2011            }
2012
2013            public void updateWithResponse(IqPacket iq) {
2014                this.loadingTimer.cancel();
2015                this.loadingTimer = new Timer();
2016                this.loading = false;
2017                this.responseElement = null;
2018                this.reported = null;
2019                this.response = iq;
2020                this.items.clear();
2021                this.actionsAdapter.clear();
2022                layoutManager.setSpanCount(1);
2023
2024                Element command = iq.findChild("command", "http://jabber.org/protocol/commands");
2025                if (iq.getType() == IqPacket.TYPE.RESULT && command != null) {
2026                    for (Element el : command.getChildren()) {
2027                        if (el.getName().equals("actions") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2028                            for (Element action : el.getChildren()) {
2029                                if (!el.getNamespace().equals("http://jabber.org/protocol/commands")) continue;
2030                                if (action.getName().equals("execute")) continue;
2031
2032                                actionsAdapter.add(action.getName());
2033                            }
2034                        }
2035                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:data")) {
2036                            String title = el.findChildContent("title", "jabber:x:data");
2037                            if (title != null) {
2038                                mTitle = title;
2039                                ConversationPagerAdapter.this.notifyDataSetChanged();
2040                            }
2041
2042                            if (el.getAttribute("type").equals("result") || el.getAttribute("type").equals("form")) {
2043                                this.responseElement = el;
2044                                setupReported(el.findChild("reported", "jabber:x:data"));
2045                                layoutManager.setSpanCount(this.reported == null ? 1 : this.reported.size());
2046                            }
2047                            break;
2048                        }
2049                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:oob")) {
2050                            String url = el.findChildContent("url", "jabber:x:oob");
2051                            if (url != null) {
2052                                String scheme = Uri.parse(url).getScheme();
2053                                if (scheme.equals("http") || scheme.equals("https")) {
2054                                    this.responseElement = el;
2055                                    break;
2056                                }
2057                            }
2058                        }
2059                        if (el.getName().equals("note") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2060                            this.responseElement = el;
2061                            break;
2062                        }
2063                    }
2064
2065                    if (responseElement == null && (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled"))) {
2066                        removeSession(this);
2067                        return;
2068                    }
2069
2070                    if (command.getAttribute("status").equals("executing") && actionsAdapter.getCount() < 1) {
2071                        // No actions have been given, but we are not done?
2072                        // This is probably a spec violation, but we should do *something*
2073                        actionsAdapter.add("execute");
2074                    }
2075
2076                    if (!actionsAdapter.isEmpty()) {
2077                        if (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled")) {
2078                            actionsAdapter.add("close");
2079                        } else if (actionsAdapter.getPosition("cancel") < 0) {
2080                            actionsAdapter.insert("cancel", 0);
2081                        }
2082                    }
2083                }
2084
2085                if (actionsAdapter.isEmpty()) {
2086                    actionsAdapter.add("close");
2087                }
2088
2089                notifyDataSetChanged();
2090            }
2091
2092            protected void setupReported(Element el) {
2093                if (el == null) {
2094                    reported = null;
2095                    return;
2096                }
2097
2098                reported = new ArrayList<>();
2099                for (Element fieldEl : el.getChildren()) {
2100                    if (!fieldEl.getName().equals("field") || !fieldEl.getNamespace().equals("jabber:x:data")) continue;
2101                    reported.add(mkField(fieldEl));
2102                }
2103            }
2104
2105            @Override
2106            public int getItemCount() {
2107                if (loading) return 1;
2108                if (response == null) return 0;
2109                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null && responseElement.getNamespace().equals("jabber:x:data")) {
2110                    int i = 0;
2111                    for (Element el : responseElement.getChildren()) {
2112                        if (!el.getNamespace().equals("jabber:x:data")) continue;
2113                        if (el.getName().equals("title")) continue;
2114                        if (el.getName().equals("field")) {
2115                            String type = el.getAttribute("type");
2116                            if (type != null && type.equals("hidden")) continue;
2117                        }
2118
2119                        if (el.getName().equals("reported") || el.getName().equals("item")) {
2120                            if (reported != null) i += reported.size();
2121                            continue;
2122                        }
2123
2124                        i++;
2125                    }
2126                    return i;
2127                }
2128                return 1;
2129            }
2130
2131            public Item getItem(int position) {
2132                if (loading) return new Item(null, TYPE_PROGRESSBAR);
2133                if (items.get(position) != null) return items.get(position);
2134                if (response == null) return null;
2135
2136                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null) {
2137                    if (responseElement.getNamespace().equals("jabber:x:data")) {
2138                        int i = 0;
2139                        for (Element el : responseElement.getChildren()) {
2140                            if (!el.getNamespace().equals("jabber:x:data")) continue;
2141                            if (el.getName().equals("title")) continue;
2142                            if (el.getName().equals("field")) {
2143                                String type = el.getAttribute("type");
2144                                if (type != null && type.equals("hidden")) continue;
2145                            }
2146
2147                            if (el.getName().equals("reported") || el.getName().equals("item")) {
2148                                Cell cell = null;
2149
2150                                if (reported != null) {
2151                                    if (reported.size() > position - i) {
2152                                        Field reportedField = reported.get(position - i);
2153                                        Element itemField = null;
2154                                        if (el.getName().equals("item")) {
2155                                            for (Element subel : el.getChildren()) {
2156                                                if (subel.getAttribute("var").equals(reportedField.getVar())) {
2157                                                   itemField = subel;
2158                                                   break;
2159                                                }
2160                                            }
2161                                        }
2162                                        cell = new Cell(reportedField, itemField);
2163                                    } else {
2164                                        i += reported.size();
2165                                        continue;
2166                                    }
2167                                }
2168
2169                                if (cell != null) {
2170                                    items.put(position, cell);
2171                                    return cell;
2172                                }
2173                            }
2174
2175                            if (i < position) {
2176                                i++;
2177                                continue;
2178                            }
2179
2180                            return mkItem(el, position);
2181                        }
2182                    }
2183                }
2184
2185                return mkItem(responseElement == null ? response : responseElement, position);
2186            }
2187
2188            @Override
2189            public int getItemViewType(int position) {
2190                return getItem(position).viewType;
2191            }
2192
2193            @Override
2194            public ViewHolder onCreateViewHolder(ViewGroup container, int viewType) {
2195                switch(viewType) {
2196                    case TYPE_ERROR: {
2197                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
2198                        return new ErrorViewHolder(binding);
2199                    }
2200                    case TYPE_NOTE: {
2201                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
2202                        return new NoteViewHolder(binding);
2203                    }
2204                    case TYPE_WEB: {
2205                        CommandWebviewBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_webview, container, false);
2206                        return new WebViewHolder(binding);
2207                    }
2208                    case TYPE_RESULT_FIELD: {
2209                        CommandResultFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_field, container, false);
2210                        return new ResultFieldViewHolder(binding);
2211                    }
2212                    case TYPE_RESULT_CELL: {
2213                        CommandResultCellBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_cell, container, false);
2214                        return new ResultCellViewHolder(binding);
2215                    }
2216                    case TYPE_CHECKBOX_FIELD: {
2217                        CommandCheckboxFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_checkbox_field, container, false);
2218                        return new CheckboxFieldViewHolder(binding);
2219                    }
2220                    case TYPE_SEARCH_LIST_FIELD: {
2221                        CommandSearchListFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_search_list_field, container, false);
2222                        return new SearchListFieldViewHolder(binding);
2223                    }
2224                    case TYPE_RADIO_EDIT_FIELD: {
2225                        CommandRadioEditFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_radio_edit_field, container, false);
2226                        return new RadioEditFieldViewHolder(binding);
2227                    }
2228                    case TYPE_SPINNER_FIELD: {
2229                        CommandSpinnerFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_spinner_field, container, false);
2230                        return new SpinnerFieldViewHolder(binding);
2231                    }
2232                    case TYPE_TEXT_FIELD: {
2233                        CommandTextFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_text_field, container, false);
2234                        return new TextFieldViewHolder(binding);
2235                    }
2236                    case TYPE_PROGRESSBAR: {
2237                        CommandProgressBarBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_progress_bar, container, false);
2238                        return new ProgressBarViewHolder(binding);
2239                    }
2240                    default:
2241                        throw new IllegalArgumentException("Unknown viewType: " + viewType);
2242                }
2243            }
2244
2245            @Override
2246            public void onBindViewHolder(ViewHolder viewHolder, int position) {
2247                viewHolder.bind(getItem(position));
2248            }
2249
2250            public View getView() {
2251                return mBinding.getRoot();
2252            }
2253
2254            public boolean validate() {
2255                int count = getItemCount();
2256                boolean isValid = true;
2257                for (int i = 0; i < count; i++) {
2258                    boolean oneIsValid = getItem(i).validate();
2259                    isValid = isValid && oneIsValid;
2260                }
2261                notifyDataSetChanged();
2262                return isValid;
2263            }
2264
2265            public boolean execute() {
2266                return execute("execute");
2267            }
2268
2269            public boolean execute(int actionPosition) {
2270                return execute(actionsAdapter.getItem(actionPosition));
2271            }
2272
2273            public boolean execute(String action) {
2274                if (!action.equals("cancel") && !action.equals("prev") && !validate()) return false;
2275                if (response == null) return true;
2276                Element command = response.findChild("command", "http://jabber.org/protocol/commands");
2277                if (command == null) return true;
2278                String status = command.getAttribute("status");
2279                if (status == null || (!status.equals("executing") && !action.equals("prev"))) return true;
2280
2281                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
2282                packet.setTo(response.getFrom());
2283                final Element c = packet.addChild("command", Namespace.COMMANDS);
2284                c.setAttribute("node", command.getAttribute("node"));
2285                c.setAttribute("sessionid", command.getAttribute("sessionid"));
2286                c.setAttribute("action", action);
2287
2288                String formType = responseElement == null ? null : responseElement.getAttribute("type");
2289                if (!action.equals("cancel") &&
2290                    !action.equals("prev") &&
2291                    responseElement != null &&
2292                    responseElement.getName().equals("x") &&
2293                    responseElement.getNamespace().equals("jabber:x:data") &&
2294                    formType != null && formType.equals("form")) {
2295
2296                    responseElement.setAttribute("type", "submit");
2297                    Element rsm = responseElement.findChild("set", "http://jabber.org/protocol/rsm");
2298                    if (rsm != null) {
2299                        Element max = new Element("max", "http://jabber.org/protocol/rsm");
2300                        max.setContent("1000");
2301                        rsm.addChild(max);
2302                    }
2303                    c.addChild(responseElement);
2304                }
2305
2306                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
2307                    getView().post(() -> {
2308                        updateWithResponse(iq);
2309                    });
2310                });
2311
2312                loading();
2313                return false;
2314            }
2315
2316            protected void loading() {
2317                loadingTimer.schedule(new TimerTask() {
2318                    @Override
2319                    public void run() {
2320                        getView().post(() -> {
2321                            loading = true;
2322                            notifyDataSetChanged();
2323                        });
2324                    }
2325                }, 500);
2326            }
2327
2328            protected GridLayoutManager setupLayoutManager() {
2329                layoutManager = new GridLayoutManager(mPager.getContext(), layoutManager == null ? 1 : layoutManager.getSpanCount());
2330                layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
2331                    @Override
2332                    public int getSpanSize(int position) {
2333                        if (getItemViewType(position) != TYPE_RESULT_CELL) return layoutManager.getSpanCount();
2334                        return 1;
2335                    }
2336                });
2337                return layoutManager;
2338            }
2339
2340            public void setBinding(CommandPageBinding b) {
2341                mBinding = b;
2342                // https://stackoverflow.com/a/32350474/8611
2343                mBinding.form.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
2344                    @Override
2345                    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
2346                        if(rv.getChildCount() > 0) {
2347                            int[] location = new int[2];
2348                            rv.getLocationOnScreen(location);
2349                            View childView = rv.findChildViewUnder(e.getX(), e.getY());
2350                            if (childView instanceof ViewGroup) {
2351                                childView = findViewAt((ViewGroup) childView, location[0] + e.getX(), location[1] + e.getY());
2352                            }
2353                            if (childView instanceof ListView || childView instanceof WebView) {
2354                                int action = e.getAction();
2355                                switch (action) {
2356                                    case MotionEvent.ACTION_DOWN:
2357                                        rv.requestDisallowInterceptTouchEvent(true);
2358                                }
2359                            }
2360                        }
2361
2362                        return false;
2363                    }
2364
2365                    @Override
2366                    public void onRequestDisallowInterceptTouchEvent(boolean disallow) { }
2367
2368                    @Override
2369                    public void onTouchEvent(RecyclerView rv, MotionEvent e) { }
2370                });
2371                mBinding.form.setLayoutManager(setupLayoutManager());
2372                mBinding.form.setAdapter(this);
2373                mBinding.actions.setAdapter(actionsAdapter);
2374                mBinding.actions.setOnItemClickListener((parent, v, pos, id) -> {
2375                    if (execute(pos)) {
2376                        removeSession(CommandSession.this);
2377                    }
2378                });
2379
2380                actionsAdapter.notifyDataSetChanged();
2381            }
2382
2383            // https://stackoverflow.com/a/36037991/8611
2384            private View findViewAt(ViewGroup viewGroup, float x, float y) {
2385                for(int i = 0; i < viewGroup.getChildCount(); i++) {
2386                    View child = viewGroup.getChildAt(i);
2387                    if (child instanceof ViewGroup && !(child instanceof ListView) && !(child instanceof WebView)) {
2388                        View foundView = findViewAt((ViewGroup) child, x, y);
2389                        if (foundView != null && foundView.isShown()) {
2390                            return foundView;
2391                        }
2392                    } else {
2393                        int[] location = new int[2];
2394                        child.getLocationOnScreen(location);
2395                        Rect rect = new Rect(location[0], location[1], location[0] + child.getWidth(), location[1] + child.getHeight());
2396                        if (rect.contains((int)x, (int)y)) {
2397                            return child;
2398                        }
2399                    }
2400                }
2401
2402                return null;
2403            }
2404        }
2405    }
2406}