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 isWithStranger() {
1134        final Contact contact = getContact();
1135        return mode == MODE_SINGLE
1136                && !contact.isOwnServer()
1137                && !contact.showInContactList()
1138                && !contact.isSelf()
1139                && !(contact.getJid().isDomainJid() && JidHelper.isQuicksyDomain(contact.getJid()))
1140                && sentMessagesCount() == 0;
1141    }
1142
1143    public int getReceivedMessagesCountSinceUuid(String uuid) {
1144        if (uuid == null) {
1145            return 0;
1146        }
1147        int count = 0;
1148        synchronized (this.messages) {
1149            for (int i = messages.size() - 1; i >= 0; i--) {
1150                final Message message = messages.get(i);
1151                if (uuid.equals(message.getUuid())) {
1152                    return count;
1153                }
1154                if (message.getStatus() <= Message.STATUS_RECEIVED) {
1155                    ++count;
1156                }
1157            }
1158        }
1159        return 0;
1160    }
1161
1162    @Override
1163    public int getAvatarBackgroundColor() {
1164        return UIHelper.getColorForName(getName().toString());
1165    }
1166
1167    @Override
1168    public String getAvatarName() {
1169        return getName().toString();
1170    }
1171
1172    public void setCurrentTab(int tab) {
1173        mCurrentTab = tab;
1174    }
1175
1176    public int getCurrentTab() {
1177        if (mCurrentTab >= 0) return mCurrentTab;
1178
1179        if (!isRead() || getContact().resourceWhichSupport(Namespace.COMMANDS) == null) {
1180            return 0;
1181        }
1182
1183        return 1;
1184    }
1185
1186    public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1187        pagerAdapter.startCommand(command, xmppConnectionService);
1188    }
1189
1190    public void setupViewPager(ViewPager pager, TabLayout tabs) {
1191        pagerAdapter.setupViewPager(pager, tabs);
1192    }
1193
1194    public void showViewPager() {
1195        pagerAdapter.show();
1196    }
1197
1198    public void hideViewPager() {
1199        pagerAdapter.hide();
1200    }
1201
1202    public interface OnMessageFound {
1203        void onMessageFound(final Message message);
1204    }
1205
1206    public static class Draft {
1207        private final String message;
1208        private final long timestamp;
1209
1210        private Draft(String message, long timestamp) {
1211            this.message = message;
1212            this.timestamp = timestamp;
1213        }
1214
1215        public long getTimestamp() {
1216            return timestamp;
1217        }
1218
1219        public String getMessage() {
1220            return message;
1221        }
1222    }
1223
1224    public class ConversationPagerAdapter extends PagerAdapter {
1225        protected ViewPager mPager = null;
1226        protected TabLayout mTabs = null;
1227        ArrayList<CommandSession> sessions = null;
1228
1229        public void setupViewPager(ViewPager pager, TabLayout tabs) {
1230            mPager = pager;
1231            mTabs = tabs;
1232
1233            if (mPager == null) return;
1234            if (sessions != null) show();
1235
1236            pager.setAdapter(this);
1237            tabs.setupWithViewPager(mPager);
1238            pager.setCurrentItem(getCurrentTab());
1239
1240            mPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
1241                public void onPageScrollStateChanged(int state) { }
1242                public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { }
1243
1244                public void onPageSelected(int position) {
1245                    setCurrentTab(position);
1246                }
1247            });
1248        }
1249
1250        public void show() {
1251            if (sessions == null) {
1252                sessions = new ArrayList<>();
1253                notifyDataSetChanged();
1254            }
1255            if (mTabs != null) mTabs.setVisibility(View.VISIBLE);
1256        }
1257
1258        public void hide() {
1259            if (sessions != null && !sessions.isEmpty()) return; // Do not hide during active session
1260            if (mPager != null) mPager.setCurrentItem(0);
1261            if (mTabs != null) mTabs.setVisibility(View.GONE);
1262            sessions = null;
1263            notifyDataSetChanged();
1264        }
1265
1266        public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1267            show();
1268            CommandSession session = new CommandSession(command.getAttribute("name"), xmppConnectionService);
1269
1270            final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
1271            packet.setTo(command.getAttributeAsJid("jid"));
1272            final Element c = packet.addChild("command", Namespace.COMMANDS);
1273            c.setAttribute("node", command.getAttribute("node"));
1274            c.setAttribute("action", "execute");
1275            View v = mPager;
1276            xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
1277                v.post(() -> {
1278                    session.updateWithResponse(iq);
1279                });
1280            });
1281
1282            sessions.add(session);
1283            notifyDataSetChanged();
1284            mPager.setCurrentItem(getCount() - 1);
1285        }
1286
1287        public void removeSession(CommandSession session) {
1288            sessions.remove(session);
1289            notifyDataSetChanged();
1290        }
1291
1292        @NonNull
1293        @Override
1294        public Object instantiateItem(@NonNull ViewGroup container, int position) {
1295            if (position < 2) {
1296              return mPager.getChildAt(position);
1297            }
1298
1299            CommandSession session = sessions.get(position-2);
1300            CommandPageBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_page, container, false);
1301            container.addView(binding.getRoot());
1302            session.setBinding(binding);
1303            return session;
1304        }
1305
1306        @Override
1307        public void destroyItem(@NonNull ViewGroup container, int position, Object o) {
1308            if (position < 2) return;
1309
1310            container.removeView(((CommandSession) o).getView());
1311        }
1312
1313        @Override
1314        public int getItemPosition(Object o) {
1315            if (o == mPager.getChildAt(0)) return PagerAdapter.POSITION_UNCHANGED;
1316            if (o == mPager.getChildAt(1)) return PagerAdapter.POSITION_UNCHANGED;
1317
1318            int pos = sessions == null ? -1 : sessions.indexOf(o);
1319            if (pos < 0) return PagerAdapter.POSITION_NONE;
1320            return pos + 2;
1321        }
1322
1323        @Override
1324        public int getCount() {
1325            if (sessions == null) return 1;
1326
1327            int count = 2 + sessions.size();
1328            if (mTabs == null) return count;
1329
1330            if (count > 2) {
1331                mTabs.setTabMode(TabLayout.MODE_SCROLLABLE);
1332            } else {
1333                mTabs.setTabMode(TabLayout.MODE_FIXED);
1334            }
1335            return count;
1336        }
1337
1338        @Override
1339        public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
1340            if (view == o) return true;
1341
1342            if (o instanceof CommandSession) {
1343                return ((CommandSession) o).getView() == view;
1344            }
1345
1346            return false;
1347        }
1348
1349        @Nullable
1350        @Override
1351        public CharSequence getPageTitle(int position) {
1352            switch (position) {
1353                case 0:
1354                    return "Conversation";
1355                case 1:
1356                    return "Commands";
1357                default:
1358                    CommandSession session = sessions.get(position-2);
1359                    if (session == null) return super.getPageTitle(position);
1360                    return session.getTitle();
1361            }
1362        }
1363
1364        class CommandSession extends RecyclerView.Adapter<CommandSession.ViewHolder> {
1365            abstract class ViewHolder<T extends ViewDataBinding> extends RecyclerView.ViewHolder {
1366                protected T binding;
1367
1368                public ViewHolder(T binding) {
1369                    super(binding.getRoot());
1370                    this.binding = binding;
1371                }
1372
1373                abstract public void bind(Item el);
1374
1375                protected void setTextOrHide(TextView v, Optional<String> s) {
1376                    if (s == null || !s.isPresent()) {
1377                        v.setVisibility(View.GONE);
1378                    } else {
1379                        v.setVisibility(View.VISIBLE);
1380                        v.setText(s.get());
1381                    }
1382                }
1383
1384                protected void setupInputType(Element field, TextView textinput, TextInputLayout layout) {
1385                    int flags = 0;
1386                    if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_NONE);
1387                    textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1388
1389                    String type = field.getAttribute("type");
1390                    if (type != null) {
1391                        if (type.equals("text-multi") || type.equals("jid-multi")) {
1392                            flags |= InputType.TYPE_TEXT_FLAG_MULTI_LINE;
1393                        }
1394
1395                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1396
1397                        if (type.equals("jid-single") || type.equals("jid-multi")) {
1398                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1399                        }
1400
1401                        if (type.equals("text-private")) {
1402                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
1403                            if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_PASSWORD_TOGGLE);
1404                        }
1405                    }
1406
1407                    Element validate = field.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1408                    if (validate == null) return;
1409                    String datatype = validate.getAttribute("datatype");
1410                    if (datatype == null) return;
1411
1412                    if (datatype.equals("xs:integer") || datatype.equals("xs:int") || datatype.equals("xs:long") || datatype.equals("xs:short") || datatype.equals("xs:byte")) {
1413                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED);
1414                    }
1415
1416                    if (datatype.equals("xs:decimal") || datatype.equals("xs:double")) {
1417                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL);
1418                    }
1419
1420                    if (datatype.equals("xs:date")) {
1421                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_DATE);
1422                    }
1423
1424                    if (datatype.equals("xs:dateTime")) {
1425                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_NORMAL);
1426                    }
1427
1428                    if (datatype.equals("xs:time")) {
1429                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_TIME);
1430                    }
1431
1432                    if (datatype.equals("xs:anyURI")) {
1433                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
1434                    }
1435
1436                    if (datatype.equals("html:tel")) {
1437                        textinput.setInputType(flags | InputType.TYPE_CLASS_PHONE);
1438                    }
1439
1440                    if (datatype.equals("html:email")) {
1441                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1442                    }
1443                }
1444            }
1445
1446            class ErrorViewHolder extends ViewHolder<CommandNoteBinding> {
1447                public ErrorViewHolder(CommandNoteBinding binding) { super(binding); }
1448
1449                @Override
1450                public void bind(Item iq) {
1451                    binding.errorIcon.setVisibility(View.VISIBLE);
1452
1453                    Element error = iq.el.findChild("error");
1454                    if (error == null) return;
1455                    String text = error.findChildContent("text", "urn:ietf:params:xml:ns:xmpp-stanzas");
1456                    if (text == null || text.equals("")) {
1457                        text = error.getChildren().get(0).getName();
1458                    }
1459                    binding.message.setText(text);
1460                }
1461            }
1462
1463            class NoteViewHolder extends ViewHolder<CommandNoteBinding> {
1464                public NoteViewHolder(CommandNoteBinding binding) { super(binding); }
1465
1466                @Override
1467                public void bind(Item note) {
1468                    binding.message.setText(note.el.getContent());
1469
1470                    String type = note.el.getAttribute("type");
1471                    if (type != null && type.equals("error")) {
1472                        binding.errorIcon.setVisibility(View.VISIBLE);
1473                    }
1474                }
1475            }
1476
1477            class ResultFieldViewHolder extends ViewHolder<CommandResultFieldBinding> {
1478                public ResultFieldViewHolder(CommandResultFieldBinding binding) { super(binding); }
1479
1480                @Override
1481                public void bind(Item item) {
1482                    Field field = (Field) item;
1483                    setTextOrHide(binding.label, field.getLabel());
1484                    setTextOrHide(binding.desc, field.getDesc());
1485
1486                    ArrayAdapter<String> values = new ArrayAdapter<String>(binding.getRoot().getContext(), R.layout.simple_list_item);
1487                    for (Element el : field.el.getChildren()) {
1488                        if (el.getName().equals("value") && el.getNamespace().equals("jabber:x:data")) {
1489                            values.add(el.getContent());
1490                        }
1491                    }
1492                    binding.values.setAdapter(values);
1493
1494                    ClipboardManager clipboard = (ClipboardManager) binding.getRoot().getContext().getSystemService(Context.CLIPBOARD_SERVICE);
1495                    binding.values.setOnItemLongClickListener((arg0, arg1, pos, id) -> {
1496                        ClipData myClip = ClipData.newPlainText("text", values.getItem(pos));
1497                        clipboard.setPrimaryClip(myClip);
1498                        Toast.makeText(binding.getRoot().getContext(), R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1499                        return true;
1500                    });
1501                }
1502            }
1503
1504            class ResultCellViewHolder extends ViewHolder<CommandResultCellBinding> {
1505                public ResultCellViewHolder(CommandResultCellBinding binding) { super(binding); }
1506
1507                @Override
1508                public void bind(Item item) {
1509                    Cell cell = (Cell) item;
1510
1511                    if (cell.el == null) {
1512                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Subhead);
1513                        setTextOrHide(binding.text, cell.reported.getLabel());
1514                    } else {
1515                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Body1);
1516                        binding.text.setText(cell.el.findChildContent("value", "jabber:x:data"));
1517                    }
1518                }
1519            }
1520
1521            class CheckboxFieldViewHolder extends ViewHolder<CommandCheckboxFieldBinding> implements CompoundButton.OnCheckedChangeListener {
1522                public CheckboxFieldViewHolder(CommandCheckboxFieldBinding binding) {
1523                    super(binding);
1524                    binding.row.setOnClickListener((v) -> {
1525                        binding.checkbox.toggle();
1526                    });
1527                    binding.checkbox.setOnCheckedChangeListener(this);
1528                }
1529                protected Element mValue = null;
1530
1531                @Override
1532                public void bind(Item item) {
1533                    Field field = (Field) item;
1534                    binding.label.setText(field.getLabel().or(""));
1535                    setTextOrHide(binding.desc, field.getDesc());
1536                    mValue = field.getValue();
1537                    binding.checkbox.setChecked(mValue.getContent() != null && (mValue.getContent().equals("true") || mValue.getContent().equals("1")));
1538                }
1539
1540                @Override
1541                public void onCheckedChanged(CompoundButton checkbox, boolean isChecked) {
1542                    if (mValue == null) return;
1543
1544                    mValue.setContent(isChecked ? "true" : "false");
1545                }
1546            }
1547
1548            class SearchListFieldViewHolder extends ViewHolder<CommandSearchListFieldBinding> implements TextWatcher {
1549                public SearchListFieldViewHolder(CommandSearchListFieldBinding binding) {
1550                    super(binding);
1551                    binding.search.addTextChangedListener(this);
1552                }
1553                protected Element mValue = null;
1554                List<Option> options = new ArrayList<>();
1555                protected ArrayAdapter<Option> adapter;
1556                protected boolean open;
1557
1558                @Override
1559                public void bind(Item item) {
1560                    Field field = (Field) item;
1561                    setTextOrHide(binding.label, field.getLabel());
1562                    setTextOrHide(binding.desc, field.getDesc());
1563
1564                    if (field.error != null) {
1565                        binding.desc.setVisibility(View.VISIBLE);
1566                        binding.desc.setText(field.error);
1567                        binding.desc.setTextAppearance(R.style.TextAppearance_Conversations_Design_Error);
1568                    } else {
1569                        binding.desc.setTextAppearance(R.style.TextAppearance_Conversations_Status);
1570                    }
1571
1572                    mValue = field.getValue();
1573
1574                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1575                    open = validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null;
1576                    setupInputType(field.el, binding.search, null);
1577
1578                    options = field.getOptions();
1579                    binding.list.setOnItemClickListener((parent, view, position, id) -> {
1580                        mValue.setContent(adapter.getItem(binding.list.getCheckedItemPosition()).getValue());
1581                        if (open) binding.search.setText(mValue.getContent());
1582                    });
1583                    search("");
1584                }
1585
1586                @Override
1587                public void afterTextChanged(Editable s) {
1588                    if (open) mValue.setContent(s.toString());
1589                    search(s.toString());
1590                }
1591
1592                @Override
1593                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1594
1595                @Override
1596                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1597
1598                protected void search(String s) {
1599                    List<Option> filteredOptions;
1600                    final String q = s.replaceAll("\\W", "").toLowerCase();
1601                    if (q == null || q.equals("")) {
1602                        filteredOptions = options;
1603                    } else {
1604                        filteredOptions = options.stream().filter(o -> o.toString().replaceAll("\\W", "").toLowerCase().contains(q)).collect(Collectors.toList());
1605                    }
1606                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item, filteredOptions);
1607                    binding.list.setAdapter(adapter);
1608
1609                    int checkedPos = filteredOptions.indexOf(new Option(mValue.getContent(), ""));
1610                    if (checkedPos >= 0) binding.list.setItemChecked(checkedPos, true);
1611                }
1612            }
1613
1614            class RadioEditFieldViewHolder extends ViewHolder<CommandRadioEditFieldBinding> implements CompoundButton.OnCheckedChangeListener, TextWatcher {
1615                public RadioEditFieldViewHolder(CommandRadioEditFieldBinding binding) {
1616                    super(binding);
1617                    binding.open.addTextChangedListener(this);
1618                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.radio_grid_item) {
1619                        @Override
1620                        public View getView(int position, View convertView, ViewGroup parent) {
1621                            CompoundButton v = (CompoundButton) super.getView(position, convertView, parent);
1622                            v.setId(position);
1623                            v.setChecked(getItem(position).getValue().equals(mValue.getContent()));
1624                            v.setOnCheckedChangeListener(RadioEditFieldViewHolder.this);
1625                            return v;
1626                        }
1627                    };
1628                }
1629                protected Element mValue = null;
1630                protected ArrayAdapter<Option> options;
1631
1632                @Override
1633                public void bind(Item item) {
1634                    Field field = (Field) item;
1635                    setTextOrHide(binding.label, field.getLabel());
1636                    setTextOrHide(binding.desc, field.getDesc());
1637
1638                    if (field.error != null) {
1639                        binding.desc.setVisibility(View.VISIBLE);
1640                        binding.desc.setText(field.error);
1641                        binding.desc.setTextAppearance(R.style.TextAppearance_Conversations_Design_Error);
1642                    } else {
1643                        binding.desc.setTextAppearance(R.style.TextAppearance_Conversations_Status);
1644                    }
1645
1646                    mValue = field.getValue();
1647
1648                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1649                    binding.open.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
1650                    binding.open.setText(mValue.getContent());
1651                    setupInputType(field.el, binding.open, null);
1652
1653                    options.clear();
1654                    List<Option> theOptions = field.getOptions();
1655                    options.addAll(theOptions);
1656
1657                    float screenWidth = binding.getRoot().getContext().getResources().getDisplayMetrics().widthPixels;
1658                    TextPaint paint = ((TextView) LayoutInflater.from(binding.getRoot().getContext()).inflate(R.layout.radio_grid_item, null)).getPaint();
1659                    float maxColumnWidth = theOptions.stream().map((x) ->
1660                        StaticLayout.getDesiredWidth(x.toString(), paint)
1661                    ).max(Float::compare).orElse(new Float(0.0));
1662                    if (maxColumnWidth * theOptions.size() < 0.90 * screenWidth) {
1663                        binding.radios.setNumColumns(theOptions.size());
1664                    } else if (maxColumnWidth * (theOptions.size() / 2) < 0.90 * screenWidth) {
1665                        binding.radios.setNumColumns(theOptions.size() / 2);
1666                    } else {
1667                        binding.radios.setNumColumns(1);
1668                    }
1669                    binding.radios.setAdapter(options);
1670                }
1671
1672                @Override
1673                public void onCheckedChanged(CompoundButton radio, boolean isChecked) {
1674                    if (mValue == null) return;
1675
1676                    if (isChecked) {
1677                        mValue.setContent(options.getItem(radio.getId()).getValue());
1678                        binding.open.setText(mValue.getContent());
1679                    }
1680                    options.notifyDataSetChanged();
1681                }
1682
1683                @Override
1684                public void afterTextChanged(Editable s) {
1685                    if (mValue == null) return;
1686
1687                    mValue.setContent(s.toString());
1688                    options.notifyDataSetChanged();
1689                }
1690
1691                @Override
1692                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1693
1694                @Override
1695                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1696            }
1697
1698            class SpinnerFieldViewHolder extends ViewHolder<CommandSpinnerFieldBinding> implements AdapterView.OnItemSelectedListener {
1699                public SpinnerFieldViewHolder(CommandSpinnerFieldBinding binding) {
1700                    super(binding);
1701                    binding.spinner.setOnItemSelectedListener(this);
1702                }
1703                protected Element mValue = null;
1704
1705                @Override
1706                public void bind(Item item) {
1707                    Field field = (Field) item;
1708                    setTextOrHide(binding.label, field.getLabel());
1709                    binding.spinner.setPrompt(field.getLabel().or(""));
1710                    setTextOrHide(binding.desc, field.getDesc());
1711
1712                    mValue = field.getValue();
1713
1714                    ArrayAdapter<Option> options = new ArrayAdapter<Option>(binding.getRoot().getContext(), android.R.layout.simple_spinner_item);
1715                    options.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
1716                    options.addAll(field.getOptions());
1717
1718                    binding.spinner.setAdapter(options);
1719                    binding.spinner.setSelection(options.getPosition(new Option(mValue.getContent(), null)));
1720                }
1721
1722                @Override
1723                public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
1724                    Option o = (Option) parent.getItemAtPosition(pos);
1725                    if (mValue == null) return;
1726
1727                    mValue.setContent(o == null ? "" : o.getValue());
1728                }
1729
1730                @Override
1731                public void onNothingSelected(AdapterView<?> parent) {
1732                    mValue.setContent("");
1733                }
1734            }
1735
1736            class TextFieldViewHolder extends ViewHolder<CommandTextFieldBinding> implements TextWatcher {
1737                public TextFieldViewHolder(CommandTextFieldBinding binding) {
1738                    super(binding);
1739                    binding.textinput.addTextChangedListener(this);
1740                }
1741                protected Element mValue = null;
1742
1743                @Override
1744                public void bind(Item item) {
1745                    Field field = (Field) item;
1746                    binding.textinputLayout.setHint(field.getLabel().or(""));
1747
1748                    binding.textinputLayout.setHelperTextEnabled(field.getDesc().isPresent());
1749                    for (String desc : field.getDesc().asSet()) {
1750                        binding.textinputLayout.setHelperText(desc);
1751                    }
1752
1753                    binding.textinputLayout.setErrorEnabled(field.error != null);
1754                    if (field.error != null) binding.textinputLayout.setError(field.error);
1755
1756                    mValue = field.getValue();
1757                    binding.textinput.setText(mValue.getContent());
1758                    setupInputType(field.el, binding.textinput, binding.textinputLayout);
1759                }
1760
1761                @Override
1762                public void afterTextChanged(Editable s) {
1763                    if (mValue == null) return;
1764
1765                    mValue.setContent(s.toString());
1766                }
1767
1768                @Override
1769                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1770
1771                @Override
1772                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1773            }
1774
1775            class WebViewHolder extends ViewHolder<CommandWebviewBinding> {
1776                public WebViewHolder(CommandWebviewBinding binding) { super(binding); }
1777
1778                @Override
1779                public void bind(Item oob) {
1780                    setTextOrHide(binding.desc, Optional.fromNullable(oob.el.findChildContent("desc", "jabber:x:oob")));
1781                    binding.webview.getSettings().setJavaScriptEnabled(true);
1782                    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");
1783                    binding.webview.getSettings().setDatabaseEnabled(true);
1784                    binding.webview.getSettings().setDomStorageEnabled(true);
1785                    binding.webview.setWebChromeClient(new WebChromeClient() {
1786                        @Override
1787                        public void onProgressChanged(WebView view, int newProgress) {
1788                            binding.progressbar.setVisibility(newProgress < 100 ? View.VISIBLE : View.GONE);
1789                            binding.progressbar.setProgress(newProgress);
1790                        }
1791                    });
1792                    binding.webview.setWebViewClient(new WebViewClient() {
1793                        @Override
1794                        public void onPageFinished(WebView view, String url) {
1795                            super.onPageFinished(view, url);
1796                            mTitle = view.getTitle();
1797                            ConversationPagerAdapter.this.notifyDataSetChanged();
1798                        }
1799                    });
1800                    binding.webview.addJavascriptInterface(new JsObject(), "xmpp_xep0050");
1801                    binding.webview.loadUrl(oob.el.findChildContent("url", "jabber:x:oob"));
1802                }
1803
1804                class JsObject {
1805                    @JavascriptInterface
1806                    public void execute() { execute("execute"); }
1807                    public void execute(String action) {
1808                        getView().post(() -> {
1809                            if(CommandSession.this.execute(action)) {
1810                                removeSession(CommandSession.this);
1811                            }
1812                        });
1813                    }
1814                }
1815            }
1816
1817            class ProgressBarViewHolder extends ViewHolder<CommandProgressBarBinding> {
1818                public ProgressBarViewHolder(CommandProgressBarBinding binding) { super(binding); }
1819
1820                @Override
1821                public void bind(Item item) { }
1822            }
1823
1824            class Item {
1825                protected Element el;
1826                protected int viewType;
1827                protected String error = null;
1828
1829                Item(Element el, int viewType) {
1830                    this.el = el;
1831                    this.viewType = viewType;
1832                }
1833
1834                public boolean validate() {
1835                    error = null;
1836                    return true;
1837                }
1838            }
1839
1840            class Field extends Item {
1841                Field(Element el, int viewType) { super(el, viewType); }
1842
1843                @Override
1844                public boolean validate() {
1845                    if (!super.validate()) return false;
1846                    if (el.findChild("required", "jabber:x:data") == null) return true;
1847                    if (getValue().getContent() != null && !getValue().getContent().equals("")) return true;
1848
1849                    error = "this value is required";
1850                    return false;
1851                }
1852
1853                public String getVar() {
1854                    return el.getAttribute("var");
1855                }
1856
1857                public Optional<String> getLabel() {
1858                    String label = el.getAttribute("label");
1859                    if (label == null) label = getVar();
1860                    return Optional.fromNullable(label);
1861                }
1862
1863                public Optional<String> getDesc() {
1864                    return Optional.fromNullable(el.findChildContent("desc", "jabber:x:data"));
1865                }
1866
1867                public Element getValue() {
1868                    Element value = el.findChild("value", "jabber:x:data");
1869                    if (value == null) {
1870                        value = el.addChild("value", "jabber:x:data");
1871                    }
1872                    return value;
1873                }
1874
1875                public List<Option> getOptions() {
1876                    return Option.forField(el);
1877                }
1878            }
1879
1880            class Cell extends Item {
1881                protected Field reported;
1882
1883                Cell(Field reported, Element item) {
1884                    super(item, TYPE_RESULT_CELL);
1885                    this.reported = reported;
1886                }
1887            }
1888
1889            protected Field mkField(Element el) {
1890                int viewType = -1;
1891
1892                String formType = responseElement.getAttribute("type");
1893                if (formType != null) {
1894                    String fieldType = el.getAttribute("type");
1895                    if (fieldType == null) fieldType = "text-single";
1896
1897                    if (formType.equals("result") || fieldType.equals("fixed")) {
1898                        viewType = TYPE_RESULT_FIELD;
1899                    } else if (formType.equals("form")) {
1900                        if (fieldType.equals("boolean")) {
1901                            viewType = TYPE_CHECKBOX_FIELD;
1902                        } else if (fieldType.equals("list-single")) {
1903                            Element validate = el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1904                            if (Option.forField(el).size() > 9) {
1905                                viewType = TYPE_SEARCH_LIST_FIELD;
1906                            } else if (el.findChild("value", "jabber:x:data") == null || (validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null)) {
1907                                viewType = TYPE_RADIO_EDIT_FIELD;
1908                            } else {
1909                                viewType = TYPE_SPINNER_FIELD;
1910                            }
1911                        } else {
1912                            viewType = TYPE_TEXT_FIELD;
1913                        }
1914                    }
1915
1916                    return new Field(el, viewType);
1917                }
1918
1919                return null;
1920            }
1921
1922            protected Item mkItem(Element el, int pos) {
1923                int viewType = -1;
1924
1925                if (response != null && response.getType() == IqPacket.TYPE.RESULT) {
1926                    if (el.getName().equals("note")) {
1927                        viewType = TYPE_NOTE;
1928                    } else if (el.getNamespace().equals("jabber:x:oob")) {
1929                        viewType = TYPE_WEB;
1930                    } else if (el.getName().equals("instructions") && el.getNamespace().equals("jabber:x:data")) {
1931                        viewType = TYPE_NOTE;
1932                    } else if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data")) {
1933                        Field field = mkField(el);
1934                        if (field != null) {
1935                            items.put(pos, field);
1936                            return field;
1937                        }
1938                    }
1939                } else if (response != null) {
1940                    viewType = TYPE_ERROR;
1941                }
1942
1943                Item item = new Item(el, viewType);
1944                items.put(pos, item);
1945                return item;
1946            }
1947
1948            final int TYPE_ERROR = 1;
1949            final int TYPE_NOTE = 2;
1950            final int TYPE_WEB = 3;
1951            final int TYPE_RESULT_FIELD = 4;
1952            final int TYPE_TEXT_FIELD = 5;
1953            final int TYPE_CHECKBOX_FIELD = 6;
1954            final int TYPE_SPINNER_FIELD = 7;
1955            final int TYPE_RADIO_EDIT_FIELD = 8;
1956            final int TYPE_RESULT_CELL = 9;
1957            final int TYPE_PROGRESSBAR = 10;
1958            final int TYPE_SEARCH_LIST_FIELD = 11;
1959
1960            protected boolean loading = false;
1961            protected Timer loadingTimer = new Timer();
1962            protected String mTitle;
1963            protected CommandPageBinding mBinding = null;
1964            protected IqPacket response = null;
1965            protected Element responseElement = null;
1966            protected List<Field> reported = null;
1967            protected SparseArray<Item> items = new SparseArray<>();
1968            protected XmppConnectionService xmppConnectionService;
1969            protected ArrayAdapter<String> actionsAdapter;
1970            protected GridLayoutManager layoutManager;
1971
1972            CommandSession(String title, XmppConnectionService xmppConnectionService) {
1973                loading();
1974                mTitle = title;
1975                this.xmppConnectionService = xmppConnectionService;
1976                if (mPager != null) setupLayoutManager();
1977                actionsAdapter = new ArrayAdapter<String>(xmppConnectionService, R.layout.simple_list_item) {
1978                    @Override
1979                    public View getView(int position, View convertView, ViewGroup parent) {
1980                        View v = super.getView(position, convertView, parent);
1981                        TextView tv = (TextView) v.findViewById(android.R.id.text1);
1982                        tv.setGravity(Gravity.CENTER);
1983                        int resId = xmppConnectionService.getResources().getIdentifier("action_" + tv.getText() , "string" , xmppConnectionService.getPackageName());
1984                        if (resId != 0) tv.setText(xmppConnectionService.getResources().getString(resId));
1985                        tv.setTextColor(ContextCompat.getColor(xmppConnectionService, R.color.white));
1986                        tv.setBackgroundColor(UIHelper.getColorForName(tv.getText().toString()));
1987                        return v;
1988                    }
1989                };
1990                actionsAdapter.registerDataSetObserver(new DataSetObserver() {
1991                    @Override
1992                    public void onChanged() {
1993                        if (mBinding == null) return;
1994
1995                        mBinding.actions.setNumColumns(actionsAdapter.getCount() > 1 ? 2 : 1);
1996                    }
1997
1998                    @Override
1999                    public void onInvalidated() {}
2000                });
2001            }
2002
2003            public String getTitle() {
2004                return mTitle;
2005            }
2006
2007            public void updateWithResponse(IqPacket iq) {
2008                this.loadingTimer.cancel();
2009                this.loadingTimer = new Timer();
2010                this.loading = false;
2011                this.responseElement = null;
2012                this.reported = null;
2013                this.response = iq;
2014                this.items.clear();
2015                this.actionsAdapter.clear();
2016                layoutManager.setSpanCount(1);
2017
2018                Element command = iq.findChild("command", "http://jabber.org/protocol/commands");
2019                if (iq.getType() == IqPacket.TYPE.RESULT && command != null) {
2020                    for (Element el : command.getChildren()) {
2021                        if (el.getName().equals("actions") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2022                            for (Element action : el.getChildren()) {
2023                                if (!el.getNamespace().equals("http://jabber.org/protocol/commands")) continue;
2024                                if (action.getName().equals("execute")) continue;
2025
2026                                actionsAdapter.add(action.getName());
2027                            }
2028                        }
2029                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:data")) {
2030                            String title = el.findChildContent("title", "jabber:x:data");
2031                            if (title != null) {
2032                                mTitle = title;
2033                                ConversationPagerAdapter.this.notifyDataSetChanged();
2034                            }
2035
2036                            if (el.getAttribute("type").equals("result") || el.getAttribute("type").equals("form")) {
2037                                this.responseElement = el;
2038                                setupReported(el.findChild("reported", "jabber:x:data"));
2039                                layoutManager.setSpanCount(this.reported == null ? 1 : this.reported.size());
2040                            }
2041                            break;
2042                        }
2043                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:oob")) {
2044                            String url = el.findChildContent("url", "jabber:x:oob");
2045                            if (url != null) {
2046                                String scheme = Uri.parse(url).getScheme();
2047                                if (scheme.equals("http") || scheme.equals("https")) {
2048                                    this.responseElement = el;
2049                                    break;
2050                                }
2051                            }
2052                        }
2053                        if (el.getName().equals("note") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2054                            this.responseElement = el;
2055                            break;
2056                        }
2057                    }
2058
2059                    if (responseElement == null && (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled"))) {
2060                        removeSession(this);
2061                        return;
2062                    }
2063
2064                    if (command.getAttribute("status").equals("executing") && actionsAdapter.getCount() < 1) {
2065                        // No actions have been given, but we are not done?
2066                        // This is probably a spec violation, but we should do *something*
2067                        actionsAdapter.add("execute");
2068                    }
2069
2070                    if (!actionsAdapter.isEmpty()) {
2071                        if (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled")) {
2072                            actionsAdapter.add("close");
2073                        } else if (actionsAdapter.getPosition("cancel") < 0) {
2074                            actionsAdapter.insert("cancel", 0);
2075                        }
2076                    }
2077                }
2078
2079                if (actionsAdapter.isEmpty()) {
2080                    actionsAdapter.add("close");
2081                }
2082
2083                notifyDataSetChanged();
2084            }
2085
2086            protected void setupReported(Element el) {
2087                if (el == null) {
2088                    reported = null;
2089                    return;
2090                }
2091
2092                reported = new ArrayList<>();
2093                for (Element fieldEl : el.getChildren()) {
2094                    if (!fieldEl.getName().equals("field") || !fieldEl.getNamespace().equals("jabber:x:data")) continue;
2095                    reported.add(mkField(fieldEl));
2096                }
2097            }
2098
2099            @Override
2100            public int getItemCount() {
2101                if (loading) return 1;
2102                if (response == null) return 0;
2103                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null && responseElement.getNamespace().equals("jabber:x:data")) {
2104                    int i = 0;
2105                    for (Element el : responseElement.getChildren()) {
2106                        if (!el.getNamespace().equals("jabber:x:data")) continue;
2107                        if (el.getName().equals("title")) continue;
2108                        if (el.getName().equals("field")) {
2109                            String type = el.getAttribute("type");
2110                            if (type != null && type.equals("hidden")) continue;
2111                        }
2112
2113                        if (el.getName().equals("reported") || el.getName().equals("item")) {
2114                            if (reported != null) i += reported.size();
2115                            continue;
2116                        }
2117
2118                        i++;
2119                    }
2120                    return i;
2121                }
2122                return 1;
2123            }
2124
2125            public Item getItem(int position) {
2126                if (loading) return new Item(null, TYPE_PROGRESSBAR);
2127                if (items.get(position) != null) return items.get(position);
2128                if (response == null) return null;
2129
2130                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null) {
2131                    if (responseElement.getNamespace().equals("jabber:x:data")) {
2132                        int i = 0;
2133                        for (Element el : responseElement.getChildren()) {
2134                            if (!el.getNamespace().equals("jabber:x:data")) continue;
2135                            if (el.getName().equals("title")) continue;
2136                            if (el.getName().equals("field")) {
2137                                String type = el.getAttribute("type");
2138                                if (type != null && type.equals("hidden")) continue;
2139                            }
2140
2141                            if (el.getName().equals("reported") || el.getName().equals("item")) {
2142                                Cell cell = null;
2143
2144                                if (reported != null) {
2145                                    if (reported.size() > position - i) {
2146                                        Field reportedField = reported.get(position - i);
2147                                        Element itemField = null;
2148                                        if (el.getName().equals("item")) {
2149                                            for (Element subel : el.getChildren()) {
2150                                                if (subel.getAttribute("var").equals(reportedField.getVar())) {
2151                                                   itemField = subel;
2152                                                   break;
2153                                                }
2154                                            }
2155                                        }
2156                                        cell = new Cell(reportedField, itemField);
2157                                    } else {
2158                                        i += reported.size();
2159                                        continue;
2160                                    }
2161                                }
2162
2163                                if (cell != null) {
2164                                    items.put(position, cell);
2165                                    return cell;
2166                                }
2167                            }
2168
2169                            if (i < position) {
2170                                i++;
2171                                continue;
2172                            }
2173
2174                            return mkItem(el, position);
2175                        }
2176                    }
2177                }
2178
2179                return mkItem(responseElement == null ? response : responseElement, position);
2180            }
2181
2182            @Override
2183            public int getItemViewType(int position) {
2184                return getItem(position).viewType;
2185            }
2186
2187            @Override
2188            public ViewHolder onCreateViewHolder(ViewGroup container, int viewType) {
2189                switch(viewType) {
2190                    case TYPE_ERROR: {
2191                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
2192                        return new ErrorViewHolder(binding);
2193                    }
2194                    case TYPE_NOTE: {
2195                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
2196                        return new NoteViewHolder(binding);
2197                    }
2198                    case TYPE_WEB: {
2199                        CommandWebviewBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_webview, container, false);
2200                        return new WebViewHolder(binding);
2201                    }
2202                    case TYPE_RESULT_FIELD: {
2203                        CommandResultFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_field, container, false);
2204                        return new ResultFieldViewHolder(binding);
2205                    }
2206                    case TYPE_RESULT_CELL: {
2207                        CommandResultCellBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_cell, container, false);
2208                        return new ResultCellViewHolder(binding);
2209                    }
2210                    case TYPE_CHECKBOX_FIELD: {
2211                        CommandCheckboxFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_checkbox_field, container, false);
2212                        return new CheckboxFieldViewHolder(binding);
2213                    }
2214                    case TYPE_SEARCH_LIST_FIELD: {
2215                        CommandSearchListFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_search_list_field, container, false);
2216                        return new SearchListFieldViewHolder(binding);
2217                    }
2218                    case TYPE_RADIO_EDIT_FIELD: {
2219                        CommandRadioEditFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_radio_edit_field, container, false);
2220                        return new RadioEditFieldViewHolder(binding);
2221                    }
2222                    case TYPE_SPINNER_FIELD: {
2223                        CommandSpinnerFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_spinner_field, container, false);
2224                        return new SpinnerFieldViewHolder(binding);
2225                    }
2226                    case TYPE_TEXT_FIELD: {
2227                        CommandTextFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_text_field, container, false);
2228                        return new TextFieldViewHolder(binding);
2229                    }
2230                    case TYPE_PROGRESSBAR: {
2231                        CommandProgressBarBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_progress_bar, container, false);
2232                        return new ProgressBarViewHolder(binding);
2233                    }
2234                    default:
2235                        throw new IllegalArgumentException("Unknown viewType: " + viewType);
2236                }
2237            }
2238
2239            @Override
2240            public void onBindViewHolder(ViewHolder viewHolder, int position) {
2241                viewHolder.bind(getItem(position));
2242            }
2243
2244            public View getView() {
2245                return mBinding.getRoot();
2246            }
2247
2248            public boolean validate() {
2249                int count = getItemCount();
2250                boolean isValid = true;
2251                for (int i = 0; i < count; i++) {
2252                    boolean oneIsValid = getItem(i).validate();
2253                    isValid = isValid && oneIsValid;
2254                }
2255                notifyDataSetChanged();
2256                return isValid;
2257            }
2258
2259            public boolean execute() {
2260                return execute("execute");
2261            }
2262
2263            public boolean execute(int actionPosition) {
2264                return execute(actionsAdapter.getItem(actionPosition));
2265            }
2266
2267            public boolean execute(String action) {
2268                if (!action.equals("cancel") && !action.equals("prev") && !validate()) return false;
2269                if (response == null) return true;
2270                Element command = response.findChild("command", "http://jabber.org/protocol/commands");
2271                if (command == null) return true;
2272                String status = command.getAttribute("status");
2273                if (status == null || (!status.equals("executing") && !action.equals("prev"))) return true;
2274
2275                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
2276                packet.setTo(response.getFrom());
2277                final Element c = packet.addChild("command", Namespace.COMMANDS);
2278                c.setAttribute("node", command.getAttribute("node"));
2279                c.setAttribute("sessionid", command.getAttribute("sessionid"));
2280                c.setAttribute("action", action);
2281
2282                String formType = responseElement == null ? null : responseElement.getAttribute("type");
2283                if (!action.equals("cancel") &&
2284                    !action.equals("prev") &&
2285                    responseElement != null &&
2286                    responseElement.getName().equals("x") &&
2287                    responseElement.getNamespace().equals("jabber:x:data") &&
2288                    formType != null && formType.equals("form")) {
2289
2290                    responseElement.setAttribute("type", "submit");
2291                    Element rsm = responseElement.findChild("set", "http://jabber.org/protocol/rsm");
2292                    if (rsm != null) {
2293                        Element max = new Element("max", "http://jabber.org/protocol/rsm");
2294                        max.setContent("1000");
2295                        rsm.addChild(max);
2296                    }
2297                    c.addChild(responseElement);
2298                }
2299
2300                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
2301                    getView().post(() -> {
2302                        updateWithResponse(iq);
2303                    });
2304                });
2305
2306                loading();
2307                return false;
2308            }
2309
2310            protected void loading() {
2311                loadingTimer.schedule(new TimerTask() {
2312                    @Override
2313                    public void run() {
2314                        getView().post(() -> {
2315                            loading = true;
2316                            notifyDataSetChanged();
2317                        });
2318                    }
2319                }, 500);
2320            }
2321
2322            protected GridLayoutManager setupLayoutManager() {
2323                layoutManager = new GridLayoutManager(mPager.getContext(), layoutManager == null ? 1 : layoutManager.getSpanCount());
2324                layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
2325                    @Override
2326                    public int getSpanSize(int position) {
2327                        if (getItemViewType(position) != TYPE_RESULT_CELL) return layoutManager.getSpanCount();
2328                        return 1;
2329                    }
2330                });
2331                return layoutManager;
2332            }
2333
2334            public void setBinding(CommandPageBinding b) {
2335                mBinding = b;
2336                // https://stackoverflow.com/a/32350474/8611
2337                mBinding.form.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
2338                    @Override
2339                    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
2340                        if(rv.getChildCount() > 0) {
2341                            int[] location = new int[2];
2342                            rv.getLocationOnScreen(location);
2343                            View childView = rv.findChildViewUnder(e.getX(), e.getY());
2344                            if (childView instanceof ViewGroup) {
2345                                childView = findViewAt((ViewGroup) childView, location[0] + e.getX(), location[1] + e.getY());
2346                            }
2347                            if (childView instanceof ListView || childView instanceof WebView) {
2348                                int action = e.getAction();
2349                                switch (action) {
2350                                    case MotionEvent.ACTION_DOWN:
2351                                        rv.requestDisallowInterceptTouchEvent(true);
2352                                }
2353                            }
2354                        }
2355
2356                        return false;
2357                    }
2358
2359                    @Override
2360                    public void onRequestDisallowInterceptTouchEvent(boolean disallow) { }
2361
2362                    @Override
2363                    public void onTouchEvent(RecyclerView rv, MotionEvent e) { }
2364                });
2365                mBinding.form.setLayoutManager(setupLayoutManager());
2366                mBinding.form.setAdapter(this);
2367                mBinding.actions.setAdapter(actionsAdapter);
2368                mBinding.actions.setOnItemClickListener((parent, v, pos, id) -> {
2369                    if (execute(pos)) {
2370                        removeSession(CommandSession.this);
2371                    }
2372                });
2373
2374                actionsAdapter.notifyDataSetChanged();
2375            }
2376
2377            // https://stackoverflow.com/a/36037991/8611
2378            private View findViewAt(ViewGroup viewGroup, float x, float y) {
2379                for(int i = 0; i < viewGroup.getChildCount(); i++) {
2380                    View child = viewGroup.getChildAt(i);
2381                    if (child instanceof ViewGroup && !(child instanceof ListView) && !(child instanceof WebView)) {
2382                        View foundView = findViewAt((ViewGroup) child, x, y);
2383                        if (foundView != null && foundView.isShown()) {
2384                            return foundView;
2385                        }
2386                    } else {
2387                        int[] location = new int[2];
2388                        child.getLocationOnScreen(location);
2389                        Rect rect = new Rect(location[0], location[1], location[0] + child.getWidth(), location[1] + child.getHeight());
2390                        if (rect.contains((int)x, (int)y)) {
2391                            return child;
2392                        }
2393                    }
2394                }
2395
2396                return null;
2397            }
2398        }
2399    }
2400}