Conversation.java

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