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