1package eu.siacs.conversations.entities;
   2
   3import android.content.ContentValues;
   4import android.content.Context;
   5import android.content.DialogInterface;
   6import android.content.Intent;
   7import android.database.Cursor;
   8import android.database.DataSetObserver;
   9import android.graphics.drawable.AnimatedImageDrawable;
  10import android.graphics.drawable.BitmapDrawable;
  11import android.graphics.drawable.Drawable;
  12import android.graphics.Bitmap;
  13import android.graphics.Canvas;
  14import android.graphics.Rect;
  15import android.os.Build;
  16import android.net.Uri;
  17import android.telephony.PhoneNumberUtils;
  18import android.text.Editable;
  19import android.text.InputType;
  20import android.text.SpannableStringBuilder;
  21import android.text.Spanned;
  22import android.text.StaticLayout;
  23import android.text.TextPaint;
  24import android.text.TextUtils;
  25import android.text.TextWatcher;
  26import android.view.LayoutInflater;
  27import android.view.MotionEvent;
  28import android.view.Gravity;
  29import android.view.View;
  30import android.view.ViewGroup;
  31import android.widget.AbsListView;
  32import android.widget.ArrayAdapter;
  33import android.widget.AdapterView;
  34import android.widget.Button;
  35import android.widget.CompoundButton;
  36import android.widget.GridLayout;
  37import android.widget.ListView;
  38import android.widget.TextView;
  39import android.widget.Toast;
  40import android.widget.Spinner;
  41import android.webkit.JavascriptInterface;
  42import android.webkit.WebMessage;
  43import android.webkit.WebView;
  44import android.webkit.WebViewClient;
  45import android.webkit.WebChromeClient;
  46import android.util.DisplayMetrics;
  47import android.util.LruCache;
  48import android.util.Pair;
  49import android.util.SparseArray;
  50import android.util.SparseBooleanArray;
  51
  52import androidx.annotation.NonNull;
  53import androidx.annotation.Nullable;
  54import androidx.appcompat.app.AlertDialog;
  55import androidx.appcompat.app.AlertDialog.Builder;
  56import androidx.core.content.ContextCompat;
  57import androidx.core.util.Consumer;
  58import androidx.databinding.DataBindingUtil;
  59import androidx.databinding.ViewDataBinding;
  60import androidx.viewpager.widget.PagerAdapter;
  61import androidx.recyclerview.widget.RecyclerView;
  62import androidx.recyclerview.widget.GridLayoutManager;
  63import androidx.viewpager.widget.ViewPager;
  64
  65import com.caverock.androidsvg.SVG;
  66
  67import com.cheogram.android.ConversationPage;
  68import com.cheogram.android.Util;
  69import com.cheogram.android.WebxdcPage;
  70
  71import com.google.android.material.tabs.TabLayout;
  72import com.google.android.material.textfield.TextInputLayout;
  73import com.google.common.base.Optional;
  74import com.google.common.collect.ComparisonChain;
  75import com.google.common.collect.Lists;
  76
  77import io.ipfs.cid.Cid;
  78
  79import io.michaelrocks.libphonenumber.android.NumberParseException;
  80
  81import org.json.JSONArray;
  82import org.json.JSONException;
  83import org.json.JSONObject;
  84
  85import java.time.LocalDateTime;
  86import java.time.ZoneId;
  87import java.time.ZonedDateTime;
  88import java.time.format.DateTimeParseException;
  89import java.time.format.DateTimeFormatter;
  90import java.time.format.FormatStyle;
  91import java.text.DecimalFormat;
  92import java.util.ArrayList;
  93import java.util.Collection;
  94import java.util.Collections;
  95import java.util.Iterator;
  96import java.util.HashMap;
  97import java.util.HashSet;
  98import java.util.List;
  99import java.util.ListIterator;
 100import java.util.concurrent.atomic.AtomicBoolean;
 101import java.util.stream.Collectors;
 102import java.util.Set;
 103import java.util.Timer;
 104import java.util.TimerTask;
 105
 106import me.saket.bettermovementmethod.BetterLinkMovementMethod;
 107
 108import eu.siacs.conversations.Config;
 109import eu.siacs.conversations.R;
 110import eu.siacs.conversations.crypto.OmemoSetting;
 111import eu.siacs.conversations.crypto.PgpDecryptionService;
 112import eu.siacs.conversations.databinding.CommandButtonGridFieldBinding;
 113import eu.siacs.conversations.databinding.CommandCheckboxFieldBinding;
 114import eu.siacs.conversations.databinding.CommandItemCardBinding;
 115import eu.siacs.conversations.databinding.CommandNoteBinding;
 116import eu.siacs.conversations.databinding.CommandPageBinding;
 117import eu.siacs.conversations.databinding.CommandProgressBarBinding;
 118import eu.siacs.conversations.databinding.CommandRadioEditFieldBinding;
 119import eu.siacs.conversations.databinding.CommandResultCellBinding;
 120import eu.siacs.conversations.databinding.CommandResultFieldBinding;
 121import eu.siacs.conversations.databinding.CommandSearchListFieldBinding;
 122import eu.siacs.conversations.databinding.CommandSpinnerFieldBinding;
 123import eu.siacs.conversations.databinding.CommandTextFieldBinding;
 124import eu.siacs.conversations.databinding.CommandSliderFieldBinding;
 125import eu.siacs.conversations.databinding.CommandWebviewBinding;
 126import eu.siacs.conversations.databinding.DialogQuickeditBinding;
 127import eu.siacs.conversations.http.HttpConnectionManager;
 128import eu.siacs.conversations.persistance.DatabaseBackend;
 129import eu.siacs.conversations.services.AvatarService;
 130import eu.siacs.conversations.services.QuickConversationsService;
 131import eu.siacs.conversations.services.XmppConnectionService;
 132import eu.siacs.conversations.ui.UriHandlerActivity;
 133import eu.siacs.conversations.ui.text.FixedURLSpan;
 134import eu.siacs.conversations.ui.util.ShareUtil;
 135import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
 136import eu.siacs.conversations.utils.JidHelper;
 137import eu.siacs.conversations.utils.MessageUtils;
 138import eu.siacs.conversations.utils.PhoneNumberUtilWrapper;
 139import eu.siacs.conversations.utils.UIHelper;
 140import eu.siacs.conversations.xml.Element;
 141import eu.siacs.conversations.xml.Namespace;
 142import eu.siacs.conversations.xmpp.Jid;
 143import eu.siacs.conversations.xmpp.chatstate.ChatState;
 144import eu.siacs.conversations.xmpp.forms.Data;
 145import eu.siacs.conversations.xmpp.forms.Option;
 146import eu.siacs.conversations.xmpp.mam.MamReference;
 147import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 148
 149import static eu.siacs.conversations.entities.Bookmark.printableValue;
 150
 151
 152public class Conversation extends AbstractEntity implements Blockable, Comparable<Conversation>, Conversational, AvatarService.Avatarable {
 153    public static final String TABLENAME = "conversations";
 154
 155    public static final int STATUS_AVAILABLE = 0;
 156    public static final int STATUS_ARCHIVED = 1;
 157
 158    public static final String NAME = "name";
 159    public static final String ACCOUNT = "accountUuid";
 160    public static final String CONTACT = "contactUuid";
 161    public static final String CONTACTJID = "contactJid";
 162    public static final String STATUS = "status";
 163    public static final String CREATED = "created";
 164    public static final String MODE = "mode";
 165    public static final String ATTRIBUTES = "attributes";
 166
 167    public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
 168    public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
 169    public static final String ATTRIBUTE_NOTIFY_REPLIES = "notify_replies";
 170    public static final String ATTRIBUTE_LAST_CLEAR_HISTORY = "last_clear_history";
 171    public static final String ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS = "formerly_private_non_anonymous";
 172    public static final String ATTRIBUTE_PINNED_ON_TOP = "pinned_on_top";
 173    static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
 174    static final String ATTRIBUTE_MEMBERS_ONLY = "members_only";
 175    static final String ATTRIBUTE_MODERATED = "moderated";
 176    static final String ATTRIBUTE_NON_ANONYMOUS = "non_anonymous";
 177    private static final String ATTRIBUTE_NEXT_MESSAGE = "next_message";
 178    private static final String ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP = "next_message_timestamp";
 179    private static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
 180    private static final String ATTRIBUTE_NEXT_ENCRYPTION = "next_encryption";
 181    private static final String ATTRIBUTE_CORRECTING_MESSAGE = "correcting_message";
 182    protected final ArrayList<Message> messages = new ArrayList<>();
 183    public AtomicBoolean messagesLoaded = new AtomicBoolean(true);
 184    protected Account account = null;
 185    private String draftMessage;
 186    private final String name;
 187    private final String contactUuid;
 188    private final String accountUuid;
 189    private Jid contactJid;
 190    private int status;
 191    private final long created;
 192    private int mode;
 193    private JSONObject attributes;
 194    private Jid nextCounterpart;
 195    private transient MucOptions mucOptions = null;
 196    private boolean messagesLeftOnServer = true;
 197    private ChatState mOutgoingChatState = Config.DEFAULT_CHAT_STATE;
 198    private ChatState mIncomingChatState = Config.DEFAULT_CHAT_STATE;
 199    private String mFirstMamReference = null;
 200    protected int mCurrentTab = -1;
 201    protected ConversationPagerAdapter pagerAdapter = new ConversationPagerAdapter();
 202    protected Element thread = null;
 203    protected boolean lockThread = false;
 204    protected boolean userSelectedThread = false;
 205    protected Message replyTo = null;
 206    protected HashMap<String, Thread> threads = new HashMap<>();
 207
 208    public Conversation(final String name, final Account account, final Jid contactJid,
 209                        final int mode) {
 210        this(java.util.UUID.randomUUID().toString(), name, null, account
 211                        .getUuid(), contactJid, System.currentTimeMillis(),
 212                STATUS_AVAILABLE, mode, "");
 213        this.account = account;
 214    }
 215
 216    public Conversation(final String uuid, final String name, final String contactUuid,
 217                        final String accountUuid, final Jid contactJid, final long created, final int status,
 218                        final int mode, final String attributes) {
 219        this.uuid = uuid;
 220        this.name = name;
 221        this.contactUuid = contactUuid;
 222        this.accountUuid = accountUuid;
 223        this.contactJid = contactJid;
 224        this.created = created;
 225        this.status = status;
 226        this.mode = mode;
 227        try {
 228            this.attributes = new JSONObject(attributes == null ? "" : attributes);
 229        } catch (JSONException e) {
 230            this.attributes = new JSONObject();
 231        }
 232    }
 233
 234    public static Conversation fromCursor(Cursor cursor) {
 235        return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
 236                cursor.getString(cursor.getColumnIndex(NAME)),
 237                cursor.getString(cursor.getColumnIndex(CONTACT)),
 238                cursor.getString(cursor.getColumnIndex(ACCOUNT)),
 239                JidHelper.parseOrFallbackToInvalid(cursor.getString(cursor.getColumnIndex(CONTACTJID))),
 240                cursor.getLong(cursor.getColumnIndex(CREATED)),
 241                cursor.getInt(cursor.getColumnIndex(STATUS)),
 242                cursor.getInt(cursor.getColumnIndex(MODE)),
 243                cursor.getString(cursor.getColumnIndex(ATTRIBUTES)));
 244    }
 245
 246    public static Message getLatestMarkableMessage(final List<Message> messages, boolean isPrivateAndNonAnonymousMuc) {
 247        for (int i = messages.size() - 1; i >= 0; --i) {
 248            final Message message = messages.get(i);
 249            if (message.getStatus() <= Message.STATUS_RECEIVED
 250                    && (message.markable || isPrivateAndNonAnonymousMuc)
 251                    && !message.isPrivateMessage()) {
 252                return message;
 253            }
 254        }
 255        return null;
 256    }
 257
 258    private static boolean suitableForOmemoByDefault(final Conversation conversation) {
 259        if (conversation.getJid().asBareJid().equals(Config.BUG_REPORTS)) {
 260            return false;
 261        }
 262        if (conversation.getContact().isOwnServer()) {
 263            return false;
 264        }
 265        final String contact = conversation.getJid().getDomain().toEscapedString();
 266        final String account = conversation.getAccount().getServer();
 267        if (Config.OMEMO_EXCEPTIONS.matchesContactDomain(contact) || Config.OMEMO_EXCEPTIONS.ACCOUNT_DOMAINS.contains(account)) {
 268            return false;
 269        }
 270        return conversation.isSingleOrPrivateAndNonAnonymous() || conversation.getBooleanAttribute(ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, false);
 271    }
 272
 273    public boolean hasMessagesLeftOnServer() {
 274        return messagesLeftOnServer;
 275    }
 276
 277    public void setHasMessagesLeftOnServer(boolean value) {
 278        this.messagesLeftOnServer = value;
 279    }
 280
 281    public Message getFirstUnreadMessage() {
 282        Message first = null;
 283        synchronized (this.messages) {
 284            for (int i = messages.size() - 1; i >= 0; --i) {
 285                final Message message = messages.get(i);
 286                if (message.getSubject() != null && !message.isOOb() && (message.getRawBody() == null || message.getRawBody().length() == 0)) continue;
 287                if (message.isRead()) {
 288                    return first;
 289                } else {
 290                    first = message;
 291                }
 292            }
 293        }
 294        return first;
 295    }
 296
 297    public String findMostRecentRemoteDisplayableId() {
 298        final boolean multi = mode == Conversation.MODE_MULTI;
 299        synchronized (this.messages) {
 300            for (final Message message : Lists.reverse(this.messages)) {
 301                if (message.getSubject() != null && !message.isOOb() && (message.getRawBody() == null || message.getRawBody().length() == 0)) continue;
 302                if (message.getStatus() == Message.STATUS_RECEIVED) {
 303                    final String serverMsgId = message.getServerMsgId();
 304                    if (serverMsgId != null && multi) {
 305                        return serverMsgId;
 306                    }
 307                    return message.getRemoteMsgId();
 308                }
 309            }
 310        }
 311        return null;
 312    }
 313
 314    public int countFailedDeliveries() {
 315        int count = 0;
 316        synchronized (this.messages) {
 317            for(final Message message : this.messages) {
 318                if (message.getStatus() == Message.STATUS_SEND_FAILED) {
 319                    ++count;
 320                }
 321            }
 322        }
 323        return count;
 324    }
 325
 326    public Message getLastEditableMessage() {
 327        synchronized (this.messages) {
 328            for (final Message message : Lists.reverse(this.messages)) {
 329                if (message.isEditable()) {
 330                    if (message.isGeoUri() || message.getType() != Message.TYPE_TEXT) {
 331                        return null;
 332                    }
 333                    return message;
 334                }
 335            }
 336        }
 337        return null;
 338    }
 339
 340
 341    public Message findUnsentMessageWithUuid(String uuid) {
 342        synchronized (this.messages) {
 343            for (final Message message : this.messages) {
 344                final int s = message.getStatus();
 345                if ((s == Message.STATUS_UNSEND || s == Message.STATUS_WAITING) && message.getUuid().equals(uuid)) {
 346                    return message;
 347                }
 348            }
 349        }
 350        return null;
 351    }
 352
 353    public void findWaitingMessages(OnMessageFound onMessageFound) {
 354        final ArrayList<Message> results = new ArrayList<>();
 355        synchronized (this.messages) {
 356            for (Message message : this.messages) {
 357                if (message.getStatus() == Message.STATUS_WAITING) {
 358                    results.add(message);
 359                }
 360            }
 361        }
 362        for (Message result : results) {
 363            onMessageFound.onMessageFound(result);
 364        }
 365    }
 366
 367    public void findUnreadMessagesAndCalls(OnMessageFound onMessageFound) {
 368        final ArrayList<Message> results = new ArrayList<>();
 369        synchronized (this.messages) {
 370            for (final Message message : this.messages) {
 371                if (message.isRead()) {
 372                    continue;
 373                }
 374                results.add(message);
 375            }
 376        }
 377        for (final Message result : results) {
 378            onMessageFound.onMessageFound(result);
 379        }
 380    }
 381
 382    public Message findMessageWithFileAndUuid(final String uuid) {
 383        synchronized (this.messages) {
 384            for (final Message message : this.messages) {
 385                final Transferable transferable = message.getTransferable();
 386                final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
 387                if (message.getUuid().equals(uuid)
 388                        && message.getEncryption() != Message.ENCRYPTION_PGP
 389                        && (message.isFileOrImage() || message.treatAsDownloadable() || unInitiatedButKnownSize || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING))) {
 390                    return message;
 391                }
 392            }
 393        }
 394        return null;
 395    }
 396
 397    public Message findMessageWithUuid(final String uuid) {
 398        synchronized (this.messages) {
 399            for (final Message message : this.messages) {
 400                if (message.getUuid().equals(uuid)) {
 401                    return message;
 402                }
 403            }
 404        }
 405        return null;
 406    }
 407
 408    public boolean markAsDeleted(final List<String> uuids) {
 409        boolean deleted = false;
 410        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 411        synchronized (this.messages) {
 412            for (Message message : this.messages) {
 413                if (uuids.contains(message.getUuid())) {
 414                    message.setDeleted(true);
 415                    deleted = true;
 416                    if (message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 417                        pgpDecryptionService.discard(message);
 418                    }
 419                }
 420            }
 421        }
 422        return deleted;
 423    }
 424
 425    public boolean markAsChanged(final List<DatabaseBackend.FilePathInfo> files) {
 426        boolean changed = false;
 427        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 428        synchronized (this.messages) {
 429            for (Message message : this.messages) {
 430                for (final DatabaseBackend.FilePathInfo file : files)
 431                    if (file.uuid.toString().equals(message.getUuid())) {
 432                        message.setDeleted(file.deleted);
 433                        changed = true;
 434                        if (file.deleted && message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 435                            pgpDecryptionService.discard(message);
 436                        }
 437                    }
 438            }
 439        }
 440        return changed;
 441    }
 442
 443    public void clearMessages() {
 444        synchronized (this.messages) {
 445            this.messages.clear();
 446        }
 447    }
 448
 449    public boolean setIncomingChatState(ChatState state) {
 450        if (this.mIncomingChatState == state) {
 451            return false;
 452        }
 453        this.mIncomingChatState = state;
 454        return true;
 455    }
 456
 457    public ChatState getIncomingChatState() {
 458        return this.mIncomingChatState;
 459    }
 460
 461    public boolean setOutgoingChatState(ChatState state) {
 462        if (mode == MODE_SINGLE && !getContact().isSelf() || (isPrivateAndNonAnonymous() && getNextCounterpart() == null)) {
 463            if (this.mOutgoingChatState != state) {
 464                this.mOutgoingChatState = state;
 465                return true;
 466            }
 467        }
 468        return false;
 469    }
 470
 471    public ChatState getOutgoingChatState() {
 472        return this.mOutgoingChatState;
 473    }
 474
 475    public void trim() {
 476        synchronized (this.messages) {
 477            final int size = messages.size();
 478            final int maxsize = Config.PAGE_SIZE * Config.MAX_NUM_PAGES;
 479            if (size > maxsize) {
 480                List<Message> discards = this.messages.subList(0, size - maxsize);
 481                final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 482                if (pgpDecryptionService != null) {
 483                    pgpDecryptionService.discard(discards);
 484                }
 485                discards.clear();
 486                untieMessages();
 487            }
 488        }
 489    }
 490
 491    public void findUnsentTextMessages(OnMessageFound onMessageFound) {
 492        final ArrayList<Message> results = new ArrayList<>();
 493        synchronized (this.messages) {
 494            for (Message message : this.messages) {
 495                if ((message.getType() == Message.TYPE_TEXT || message.hasFileOnRemoteHost()) && message.getStatus() == Message.STATUS_UNSEND) {
 496                    results.add(message);
 497                }
 498            }
 499        }
 500        for (Message result : results) {
 501            onMessageFound.onMessageFound(result);
 502        }
 503    }
 504
 505    public Message findSentMessageWithUuidOrRemoteId(String id) {
 506        synchronized (this.messages) {
 507            for (Message message : this.messages) {
 508                if (id.equals(message.getUuid())
 509                        || (message.getStatus() >= Message.STATUS_SEND
 510                        && id.equals(message.getRemoteMsgId()))) {
 511                    return message;
 512                }
 513            }
 514        }
 515        return null;
 516    }
 517
 518    public Message findMessageWithRemoteIdAndCounterpart(String id, Jid counterpart) {
 519        synchronized (this.messages) {
 520            for (int i = this.messages.size() - 1; i >= 0; --i) {
 521                final Message message = messages.get(i);
 522                final Jid mcp = message.getCounterpart();
 523                if (mcp == null && counterpart != null) {
 524                    continue;
 525                }
 526                if (counterpart == null || mcp.equals(counterpart) || mcp.asBareJid().equals(counterpart)) {
 527                    final boolean idMatch = id.equals(message.getUuid()) || id.equals(message.getRemoteMsgId()) || message.remoteMsgIdMatchInEdit(id) || (getMode() == MODE_MULTI && id.equals(message.getServerMsgId()));
 528                    if (idMatch) return message;
 529                }
 530            }
 531        }
 532        return null;
 533    }
 534
 535    public Message findSentMessageWithUuid(String id) {
 536        synchronized (this.messages) {
 537            for (Message message : this.messages) {
 538                if (id.equals(message.getUuid())) {
 539                    return message;
 540                }
 541            }
 542        }
 543        return null;
 544    }
 545
 546    public Message findMessageWithRemoteId(String id, Jid counterpart) {
 547        synchronized (this.messages) {
 548            for (Message message : this.messages) {
 549                if (counterpart.equals(message.getCounterpart())
 550                        && (id.equals(message.getRemoteMsgId()) || id.equals(message.getUuid()))) {
 551                    return message;
 552                }
 553            }
 554        }
 555        return null;
 556    }
 557
 558    public Message findMessageWithServerMsgId(String id) {
 559        synchronized (this.messages) {
 560            for (Message message : this.messages) {
 561                if (id != null && id.equals(message.getServerMsgId())) {
 562                    return message;
 563                }
 564            }
 565        }
 566        return null;
 567    }
 568
 569    public boolean hasMessageWithCounterpart(Jid counterpart) {
 570        synchronized (this.messages) {
 571            for (Message message : this.messages) {
 572                if (counterpart.equals(message.getCounterpart())) {
 573                    return true;
 574                }
 575            }
 576        }
 577        return false;
 578    }
 579
 580    public Message findMessageReactingTo(String id, Jid reactor) {
 581        if (id == null) return null;
 582
 583        synchronized (this.messages) {
 584            for (int i = this.messages.size() - 1; i >= 0; --i) {
 585                final Message message = messages.get(i);
 586                if (reactor == null && message.getStatus() < Message.STATUS_SEND) continue;
 587                if (reactor != null && message.getCounterpart() == null) continue;
 588                if (reactor != null && !(message.getCounterpart().equals(reactor) || message.getCounterpart().asBareJid().equals(reactor))) continue;
 589
 590                final Element r = message.getReactions();
 591                if (r != null && r.getAttribute("id") != null && id.equals(r.getAttribute("id"))) {
 592                    return message;
 593                }
 594            }
 595        }
 596        return null;
 597    }
 598
 599    public List<Message> findMessagesBy(MucOptions.User user) {
 600        List<Message> result = new ArrayList<>();
 601        synchronized (this.messages) {
 602            for (Message m : this.messages) {
 603                // occupant id?
 604                final Jid trueCp = m.getTrueCounterpart();
 605                if (m.getCounterpart().equals(user.getFullJid()) || (trueCp != null && trueCp.equals(user.getRealJid()))) {
 606                    result.add(m);
 607                }
 608            }
 609        }
 610        return result;
 611    }
 612
 613    public Set<String> findReactionsTo(String id, Jid reactor) {
 614        Set<String> reactionEmoji = new HashSet<>();
 615        Message reactM = findMessageReactingTo(id, reactor);
 616        Element reactions = reactM == null ? null : reactM.getReactions();
 617        if (reactions != null) {
 618            for (Element el : reactions.getChildren()) {
 619                if (el.getName().equals("reaction") && el.getNamespace().equals("urn:xmpp:reactions:0")) {
 620                    reactionEmoji.add(el.getContent());
 621                }
 622            }
 623        }
 624        return reactionEmoji;
 625    }
 626
 627    public Set<Message> findReplies(String id) {
 628        Set<Message> replies = new HashSet<>();
 629        if (id == null) return replies;
 630
 631        synchronized (this.messages) {
 632            for (int i = this.messages.size() - 1; i >= 0; --i) {
 633                final Message message = messages.get(i);
 634                if (id.equals(message.getServerMsgId())) break;
 635                if (id.equals(message.getUuid())) break;
 636                final Element r = message.getReply();
 637                if (r != null && r.getAttribute("id") != null && id.equals(r.getAttribute("id"))) {
 638                    replies.add(message);
 639                }
 640            }
 641        }
 642        return replies;
 643    }
 644
 645    public long loadMoreTimestamp() {
 646        if (messages.size() < 1) return 0;
 647        if (getLockThread() && messages.size() > 5000) return 0;
 648
 649        if (messages.get(0).getType() == Message.TYPE_STATUS && messages.size() >= 2) {
 650            return messages.get(1).getTimeSent();
 651        } else {
 652            return messages.get(0).getTimeSent();
 653        }
 654    }
 655
 656    public void populateWithMessages(final List<Message> messages, XmppConnectionService xmppConnectionService) {
 657        synchronized (this.messages) {
 658            messages.clear();
 659            messages.addAll(this.messages);
 660            threads.clear();
 661        }
 662        Set<String> extraIds = new HashSet<>();
 663        for (ListIterator<Message> iterator = messages.listIterator(messages.size()); iterator.hasPrevious(); ) {
 664            Message m = iterator.previous();
 665            final Element mthread = m.getThread();
 666            if (mthread != null) {
 667                Thread thread = threads.get(mthread.getContent());
 668                if (thread == null) {
 669                    thread = new Thread(mthread.getContent());
 670                    threads.put(mthread.getContent(), thread);
 671                }
 672                if (thread.subject == null && (m.getSubject() != null && !m.isOOb() && (m.getRawBody() == null || m.getRawBody().length() == 0))) {
 673                    thread.subject = m;
 674                } else {
 675                    if (thread.last == null) thread.last = m;
 676                    thread.first = m;
 677                }
 678            }
 679            if (m.wasMergedIntoPrevious(xmppConnectionService) || (m.getSubject() != null && !m.isOOb() && (m.getRawBody() == null || m.getRawBody().length() == 0)) || (getLockThread() && !extraIds.contains(m.replyId()) && (mthread == null || !mthread.getContent().equals(getThread() == null ? "" : getThread().getContent())))) {
 680                iterator.remove();
 681            } else if (getLockThread() && mthread != null) {
 682                Element reply = m.getReply();
 683                if (reply != null && reply.getAttribute("id") != null) extraIds.add(reply.getAttribute("id"));
 684                Element reactions = m.getReactions();
 685                if (reactions != null && reactions.getAttribute("id") != null) extraIds.add(reactions.getAttribute("id"));
 686            }
 687        }
 688    }
 689
 690    public Thread getThread(String id) {
 691        return threads.get(id);
 692    }
 693
 694    public List<Thread> recentThreads() {
 695        final ArrayList<Thread> recent = new ArrayList<>();
 696        recent.addAll(threads.values());
 697        recent.sort((a, b) -> b.getLastTime() == a.getLastTime() ? 0 : (b.getLastTime() > a.getLastTime() ? 1 : -1));
 698        return recent.size() < 5 ? recent : recent.subList(0, 5);
 699    }
 700
 701    @Override
 702    public boolean isBlocked() {
 703        return getContact().isBlocked();
 704    }
 705
 706    @Override
 707    public boolean isDomainBlocked() {
 708        return getContact().isDomainBlocked();
 709    }
 710
 711    @Override
 712    public Jid getBlockedJid() {
 713        return getContact().getBlockedJid();
 714    }
 715
 716    public int countMessages() {
 717        synchronized (this.messages) {
 718            return this.messages.size();
 719        }
 720    }
 721
 722    public String getFirstMamReference() {
 723        return this.mFirstMamReference;
 724    }
 725
 726    public void setFirstMamReference(String reference) {
 727        this.mFirstMamReference = reference;
 728    }
 729
 730    public void setLastClearHistory(long time, String reference) {
 731        if (reference != null) {
 732            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time + ":" + reference);
 733        } else {
 734            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time);
 735        }
 736    }
 737
 738    public MamReference getLastClearHistory() {
 739        return MamReference.fromAttribute(getAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY));
 740    }
 741
 742    public List<Jid> getAcceptedCryptoTargets() {
 743        if (mode == MODE_SINGLE) {
 744            return Collections.singletonList(getJid().asBareJid());
 745        } else {
 746            return getJidListAttribute(ATTRIBUTE_CRYPTO_TARGETS);
 747        }
 748    }
 749
 750    public void setAcceptedCryptoTargets(List<Jid> acceptedTargets) {
 751        setAttribute(ATTRIBUTE_CRYPTO_TARGETS, acceptedTargets);
 752    }
 753
 754    public boolean setCorrectingMessage(Message correctingMessage) {
 755        setAttribute(ATTRIBUTE_CORRECTING_MESSAGE, correctingMessage == null ? null : correctingMessage.getUuid());
 756        return correctingMessage == null && draftMessage != null;
 757    }
 758
 759    public Message getCorrectingMessage() {
 760        final String uuid = getAttribute(ATTRIBUTE_CORRECTING_MESSAGE);
 761        return uuid == null ? null : findSentMessageWithUuid(uuid);
 762    }
 763
 764    public boolean withSelf() {
 765        return getContact().isSelf();
 766    }
 767
 768    @Override
 769    public int compareTo(@NonNull Conversation another) {
 770        return ComparisonChain.start()
 771                .compareFalseFirst(another.getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false), getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false))
 772                .compare(another.getSortableTime(), getSortableTime())
 773                .result();
 774    }
 775
 776    public long getSortableTime() {
 777        Draft draft = getDraft();
 778        long messageTime = getLatestMessage().getTimeReceived();
 779        if (draft == null) {
 780            return messageTime;
 781        } else {
 782            return Math.max(messageTime, draft.getTimestamp());
 783        }
 784    }
 785
 786    public String getDraftMessage() {
 787        return draftMessage;
 788    }
 789
 790    public void setDraftMessage(String draftMessage) {
 791        this.draftMessage = draftMessage;
 792    }
 793
 794    public Element getThread() {
 795        return this.thread;
 796    }
 797
 798    public void setThread(Element thread) {
 799        this.thread = thread;
 800    }
 801
 802    public void setLockThread(boolean flag) {
 803        this.lockThread = flag;
 804        if (flag) setUserSelectedThread(true);
 805    }
 806
 807    public boolean getLockThread() {
 808        return this.lockThread;
 809    }
 810
 811    public void setUserSelectedThread(boolean flag) {
 812        this.userSelectedThread = flag;
 813    }
 814
 815    public boolean getUserSelectedThread() {
 816        return this.userSelectedThread;
 817    }
 818
 819    public void setReplyTo(Message m) {
 820        this.replyTo = m;
 821    }
 822
 823    public Message getReplyTo() {
 824        return this.replyTo;
 825    }
 826
 827    public boolean isRead() {
 828        synchronized (this.messages) {
 829            for(final Message message : Lists.reverse(this.messages)) {
 830                if (message.isRead() && message.getType() == Message.TYPE_RTP_SESSION) {
 831                    continue;
 832                }
 833                return message.isRead();
 834            }
 835            return true;
 836        }
 837    }
 838
 839    public List<Message> markRead(String upToUuid) {
 840        final List<Message> unread = new ArrayList<>();
 841        synchronized (this.messages) {
 842            for (Message message : this.messages) {
 843                if (!message.isRead()) {
 844                    message.markRead();
 845                    unread.add(message);
 846                }
 847                if (message.getUuid().equals(upToUuid)) {
 848                    return unread;
 849                }
 850            }
 851        }
 852        return unread;
 853    }
 854
 855    public Message getLatestMessage() {
 856        synchronized (this.messages) {
 857            if (this.messages.size() == 0) {
 858                Message message = new Message(this, "", Message.ENCRYPTION_NONE);
 859                message.setType(Message.TYPE_STATUS);
 860                message.setTime(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
 861                message.setTimeReceived(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
 862                return message;
 863            } else {
 864                return this.messages.get(this.messages.size() - 1);
 865            }
 866        }
 867    }
 868
 869    public @NonNull
 870    CharSequence getName() {
 871        if (getMode() == MODE_MULTI) {
 872            final String roomName = getMucOptions().getName();
 873            final String subject = getMucOptions().getSubject();
 874            final Bookmark bookmark = getBookmark();
 875            final String bookmarkName = bookmark != null ? bookmark.getBookmarkName() : null;
 876            if (printableValue(roomName)) {
 877                return roomName;
 878            } else if (printableValue(subject)) {
 879                return subject;
 880            } else if (printableValue(bookmarkName, false)) {
 881                return bookmarkName;
 882            } else {
 883                final String generatedName = getMucOptions().createNameFromParticipants();
 884                if (printableValue(generatedName)) {
 885                    return generatedName;
 886                } else {
 887                    return contactJid.getLocal() != null ? contactJid.getLocal() : contactJid;
 888                }
 889            }
 890        } else {
 891            return this.getContact().getDisplayName();
 892        }
 893    }
 894
 895    public String getAccountUuid() {
 896        return this.accountUuid;
 897    }
 898
 899    public Account getAccount() {
 900        return this.account;
 901    }
 902
 903    public void setAccount(final Account account) {
 904        this.account = account;
 905    }
 906
 907    public Contact getContact() {
 908        return this.account.getRoster().getContact(this.contactJid);
 909    }
 910
 911    @Override
 912    public Jid getJid() {
 913        return this.contactJid;
 914    }
 915
 916    public int getStatus() {
 917        return this.status;
 918    }
 919
 920    public void setStatus(int status) {
 921        this.status = status;
 922    }
 923
 924    public long getCreated() {
 925        return this.created;
 926    }
 927
 928    public ContentValues getContentValues() {
 929        ContentValues values = new ContentValues();
 930        values.put(UUID, uuid);
 931        values.put(NAME, name);
 932        values.put(CONTACT, contactUuid);
 933        values.put(ACCOUNT, accountUuid);
 934        values.put(CONTACTJID, contactJid.toString());
 935        values.put(CREATED, created);
 936        values.put(STATUS, status);
 937        values.put(MODE, mode);
 938        synchronized (this.attributes) {
 939            values.put(ATTRIBUTES, attributes.toString());
 940        }
 941        return values;
 942    }
 943
 944    public int getMode() {
 945        return this.mode;
 946    }
 947
 948    public void setMode(int mode) {
 949        this.mode = mode;
 950    }
 951
 952    /**
 953     * short for is Private and Non-anonymous
 954     */
 955    public boolean isSingleOrPrivateAndNonAnonymous() {
 956        return mode == MODE_SINGLE || isPrivateAndNonAnonymous();
 957    }
 958
 959    public boolean isPrivateAndNonAnonymous() {
 960        return getMucOptions().isPrivateAndNonAnonymous();
 961    }
 962
 963    public synchronized MucOptions getMucOptions() {
 964        if (this.mucOptions == null) {
 965            this.mucOptions = new MucOptions(this);
 966        }
 967        return this.mucOptions;
 968    }
 969
 970    public void resetMucOptions() {
 971        this.mucOptions = null;
 972    }
 973
 974    public void setContactJid(final Jid jid) {
 975        this.contactJid = jid;
 976    }
 977
 978    public Jid getNextCounterpart() {
 979        return this.nextCounterpart;
 980    }
 981
 982    public void setNextCounterpart(Jid jid) {
 983        this.nextCounterpart = jid;
 984    }
 985
 986    public int getNextEncryption() {
 987        if (!Config.supportOmemo() && !Config.supportOpenPgp()) {
 988            return Message.ENCRYPTION_NONE;
 989        }
 990        if (OmemoSetting.isAlways()) {
 991            return suitableForOmemoByDefault(this) ? Message.ENCRYPTION_AXOLOTL : Message.ENCRYPTION_NONE;
 992        }
 993        final int defaultEncryption;
 994        if (suitableForOmemoByDefault(this)) {
 995            defaultEncryption = OmemoSetting.getEncryption();
 996        } else {
 997            defaultEncryption = Message.ENCRYPTION_NONE;
 998        }
 999        int encryption = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, defaultEncryption);
1000        if (encryption == Message.ENCRYPTION_OTR || encryption < 0) {
1001            return defaultEncryption;
1002        } else {
1003            return encryption;
1004        }
1005    }
1006
1007    public boolean setNextEncryption(int encryption) {
1008        return this.setAttribute(ATTRIBUTE_NEXT_ENCRYPTION, encryption);
1009    }
1010
1011    public String getNextMessage() {
1012        final String nextMessage = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
1013        return nextMessage == null ? "" : nextMessage;
1014    }
1015
1016    public @Nullable
1017    Draft getDraft() {
1018        long timestamp = getLongAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, 0);
1019        if (timestamp > getLatestMessage().getTimeSent()) {
1020            String message = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
1021            if (!TextUtils.isEmpty(message) && timestamp != 0) {
1022                return new Draft(message, timestamp);
1023            }
1024        }
1025        return null;
1026    }
1027
1028    public boolean setNextMessage(final String input) {
1029        final String message = input == null || input.trim().isEmpty() ? null : input;
1030        boolean changed = !getNextMessage().equals(message);
1031        this.setAttribute(ATTRIBUTE_NEXT_MESSAGE, message);
1032        if (changed) {
1033            this.setAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, message == null ? 0 : System.currentTimeMillis());
1034        }
1035        return changed;
1036    }
1037
1038    public Bookmark getBookmark() {
1039        return this.account.getBookmark(this.contactJid);
1040    }
1041
1042    public Message findDuplicateMessage(Message message) {
1043        synchronized (this.messages) {
1044            for (int i = this.messages.size() - 1; i >= 0; --i) {
1045                if (this.messages.get(i).similar(message)) {
1046                    return this.messages.get(i);
1047                }
1048            }
1049        }
1050        return null;
1051    }
1052
1053    public boolean hasDuplicateMessage(Message message) {
1054        return findDuplicateMessage(message) != null;
1055    }
1056
1057    public Message findSentMessageWithBody(String body) {
1058        synchronized (this.messages) {
1059            for (int i = this.messages.size() - 1; i >= 0; --i) {
1060                Message message = this.messages.get(i);
1061                if (message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_SEND) {
1062                    String otherBody;
1063                    if (message.hasFileOnRemoteHost()) {
1064                        otherBody = message.getFileParams().url;
1065                    } else {
1066                        otherBody = message.body;
1067                    }
1068                    if (otherBody != null && otherBody.equals(body)) {
1069                        return message;
1070                    }
1071                }
1072            }
1073            return null;
1074        }
1075    }
1076
1077    public Message findRtpSession(final String sessionId, final int s) {
1078        synchronized (this.messages) {
1079            for (int i = this.messages.size() - 1; i >= 0; --i) {
1080                final Message message = this.messages.get(i);
1081                if ((message.getStatus() == s) && (message.getType() == Message.TYPE_RTP_SESSION) && sessionId.equals(message.getRemoteMsgId())) {
1082                    return message;
1083                }
1084            }
1085        }
1086        return null;
1087    }
1088
1089    public boolean possibleDuplicate(final String serverMsgId, final String remoteMsgId) {
1090        if (serverMsgId == null || remoteMsgId == null) {
1091            return false;
1092        }
1093        synchronized (this.messages) {
1094            for (Message message : this.messages) {
1095                if (serverMsgId.equals(message.getServerMsgId()) || remoteMsgId.equals(message.getRemoteMsgId())) {
1096                    return true;
1097                }
1098            }
1099        }
1100        return false;
1101    }
1102
1103    public MamReference getLastMessageTransmitted() {
1104        final MamReference lastClear = getLastClearHistory();
1105        MamReference lastReceived = new MamReference(0);
1106        synchronized (this.messages) {
1107            for (int i = this.messages.size() - 1; i >= 0; --i) {
1108                final Message message = this.messages.get(i);
1109                if (message.isPrivateMessage()) {
1110                    continue; //it's unsafe to use private messages as anchor. They could be coming from user archive
1111                }
1112                if (message.getStatus() == Message.STATUS_RECEIVED || message.isCarbon() || message.getServerMsgId() != null) {
1113                    lastReceived = new MamReference(message.getTimeSent(), message.getServerMsgId());
1114                    break;
1115                }
1116            }
1117        }
1118        return MamReference.max(lastClear, lastReceived);
1119    }
1120
1121    public void setMutedTill(long value) {
1122        this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
1123    }
1124
1125    public boolean isMuted() {
1126        return System.currentTimeMillis() < this.getLongAttribute(ATTRIBUTE_MUTED_TILL, 0);
1127    }
1128
1129    public boolean alwaysNotify() {
1130        return mode == MODE_SINGLE || getBooleanAttribute(ATTRIBUTE_ALWAYS_NOTIFY, Config.ALWAYS_NOTIFY_BY_DEFAULT || isPrivateAndNonAnonymous());
1131    }
1132
1133    public boolean notifyReplies() {
1134        return alwaysNotify() || getBooleanAttribute(ATTRIBUTE_NOTIFY_REPLIES, false);
1135    }
1136
1137    public boolean setAttribute(String key, boolean value) {
1138        return setAttribute(key, String.valueOf(value));
1139    }
1140
1141    private boolean setAttribute(String key, long value) {
1142        return setAttribute(key, Long.toString(value));
1143    }
1144
1145    private boolean setAttribute(String key, int value) {
1146        return setAttribute(key, String.valueOf(value));
1147    }
1148
1149    public boolean setAttribute(String key, String value) {
1150        synchronized (this.attributes) {
1151            try {
1152                if (value == null) {
1153                    if (this.attributes.has(key)) {
1154                        this.attributes.remove(key);
1155                        return true;
1156                    } else {
1157                        return false;
1158                    }
1159                } else {
1160                    final String prev = this.attributes.optString(key, null);
1161                    this.attributes.put(key, value);
1162                    return !value.equals(prev);
1163                }
1164            } catch (JSONException e) {
1165                throw new AssertionError(e);
1166            }
1167        }
1168    }
1169
1170    public boolean setAttribute(String key, List<Jid> jids) {
1171        JSONArray array = new JSONArray();
1172        for (Jid jid : jids) {
1173            array.put(jid.asBareJid().toString());
1174        }
1175        synchronized (this.attributes) {
1176            try {
1177                this.attributes.put(key, array);
1178                return true;
1179            } catch (JSONException e) {
1180                return false;
1181            }
1182        }
1183    }
1184
1185    public String getAttribute(String key) {
1186        synchronized (this.attributes) {
1187            return this.attributes.optString(key, null);
1188        }
1189    }
1190
1191    private List<Jid> getJidListAttribute(String key) {
1192        ArrayList<Jid> list = new ArrayList<>();
1193        synchronized (this.attributes) {
1194            try {
1195                JSONArray array = this.attributes.getJSONArray(key);
1196                for (int i = 0; i < array.length(); ++i) {
1197                    try {
1198                        list.add(Jid.of(array.getString(i)));
1199                    } catch (IllegalArgumentException e) {
1200                        //ignored
1201                    }
1202                }
1203            } catch (JSONException e) {
1204                //ignored
1205            }
1206        }
1207        return list;
1208    }
1209
1210    private int getIntAttribute(String key, int defaultValue) {
1211        String value = this.getAttribute(key);
1212        if (value == null) {
1213            return defaultValue;
1214        } else {
1215            try {
1216                return Integer.parseInt(value);
1217            } catch (NumberFormatException e) {
1218                return defaultValue;
1219            }
1220        }
1221    }
1222
1223    public long getLongAttribute(String key, long defaultValue) {
1224        String value = this.getAttribute(key);
1225        if (value == null) {
1226            return defaultValue;
1227        } else {
1228            try {
1229                return Long.parseLong(value);
1230            } catch (NumberFormatException e) {
1231                return defaultValue;
1232            }
1233        }
1234    }
1235
1236    public boolean getBooleanAttribute(String key, boolean defaultValue) {
1237        String value = this.getAttribute(key);
1238        if (value == null) {
1239            return defaultValue;
1240        } else {
1241            return Boolean.parseBoolean(value);
1242        }
1243    }
1244
1245    public void add(Message message) {
1246        synchronized (this.messages) {
1247            this.messages.add(message);
1248        }
1249    }
1250
1251    public void prepend(int offset, Message message) {
1252        synchronized (this.messages) {
1253            this.messages.add(Math.min(offset, this.messages.size()), message);
1254        }
1255    }
1256
1257    public void addAll(int index, List<Message> messages) {
1258        synchronized (this.messages) {
1259            this.messages.addAll(index, messages);
1260        }
1261        account.getPgpDecryptionService().decrypt(messages);
1262    }
1263
1264    public void expireOldMessages(long timestamp) {
1265        synchronized (this.messages) {
1266            for (ListIterator<Message> iterator = this.messages.listIterator(); iterator.hasNext(); ) {
1267                if (iterator.next().getTimeSent() < timestamp) {
1268                    iterator.remove();
1269                }
1270            }
1271            untieMessages();
1272        }
1273    }
1274
1275    public void sort() {
1276        synchronized (this.messages) {
1277            Collections.sort(this.messages, (left, right) -> {
1278                if (left.getTimeSent() < right.getTimeSent()) {
1279                    return -1;
1280                } else if (left.getTimeSent() > right.getTimeSent()) {
1281                    return 1;
1282                } else {
1283                    return 0;
1284                }
1285            });
1286            untieMessages();
1287        }
1288    }
1289
1290    private void untieMessages() {
1291        for (Message message : this.messages) {
1292            message.untie();
1293        }
1294    }
1295
1296    public int unreadCount() {
1297        synchronized (this.messages) {
1298            int count = 0;
1299            for(final Message message : Lists.reverse(this.messages)) {
1300                if (message.getSubject() != null && !message.isOOb() && (message.getRawBody() == null || message.getRawBody().length() == 0)) continue;
1301                if (message.isRead()) {
1302                    if (message.getType() == Message.TYPE_RTP_SESSION) {
1303                        continue;
1304                    }
1305                    return count;
1306                }
1307                ++count;
1308            }
1309            return count;
1310        }
1311    }
1312
1313    public int receivedMessagesCount() {
1314        int count = 0;
1315        synchronized (this.messages) {
1316            for (Message message : messages) {
1317                if (message.getSubject() != null && !message.isOOb() && (message.getRawBody() == null || message.getRawBody().length() == 0)) continue;
1318                if (message.getStatus() == Message.STATUS_RECEIVED) {
1319                    ++count;
1320                }
1321            }
1322        }
1323        return count;
1324    }
1325
1326    public int sentMessagesCount() {
1327        int count = 0;
1328        synchronized (this.messages) {
1329            for (Message message : messages) {
1330                if (message.getStatus() != Message.STATUS_RECEIVED) {
1331                    ++count;
1332                }
1333            }
1334        }
1335        return count;
1336    }
1337
1338    public boolean canInferPresence() {
1339        final Contact contact = getContact();
1340        if (contact != null && contact.canInferPresence()) return true;
1341        return sentMessagesCount() > 0;
1342    }
1343
1344    public boolean isWithStranger() {
1345        final Contact contact = getContact();
1346        return mode == MODE_SINGLE
1347                && !contact.isOwnServer()
1348                && !contact.showInContactList()
1349                && !contact.isSelf()
1350                && !(contact.getJid().isDomainJid() && JidHelper.isQuicksyDomain(contact.getJid()))
1351                && sentMessagesCount() == 0;
1352    }
1353
1354    public int getReceivedMessagesCountSinceUuid(String uuid) {
1355        if (uuid == null) {
1356            return 0;
1357        }
1358        int count = 0;
1359        synchronized (this.messages) {
1360            for (int i = messages.size() - 1; i >= 0; i--) {
1361                final Message message = messages.get(i);
1362                if (uuid.equals(message.getUuid())) {
1363                    return count;
1364                }
1365                if (message.getStatus() <= Message.STATUS_RECEIVED) {
1366                    ++count;
1367                }
1368            }
1369        }
1370        return 0;
1371    }
1372
1373    @Override
1374    public int getAvatarBackgroundColor() {
1375        return UIHelper.getColorForName(getName().toString());
1376    }
1377
1378    @Override
1379    public String getAvatarName() {
1380        return getName().toString();
1381    }
1382
1383    public void setCurrentTab(int tab) {
1384        mCurrentTab = tab;
1385    }
1386
1387    public int getCurrentTab() {
1388        if (mCurrentTab >= 0) return mCurrentTab;
1389
1390        if (!isRead() || getContact().resourceWhichSupport(Namespace.COMMANDS) == null) {
1391            return 0;
1392        }
1393
1394        return 1;
1395    }
1396
1397    public void refreshSessions() {
1398        pagerAdapter.refreshSessions();
1399    }
1400
1401    public void startWebxdc(WebxdcPage page) {
1402        pagerAdapter.startWebxdc(page);
1403    }
1404
1405    public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1406        pagerAdapter.startCommand(command, xmppConnectionService);
1407    }
1408
1409    public void startMucConfig(XmppConnectionService xmppConnectionService) {
1410        pagerAdapter.startMucConfig(xmppConnectionService);
1411    }
1412
1413    public boolean switchToSession(final String node) {
1414        return pagerAdapter.switchToSession(node);
1415    }
1416
1417    public void setupViewPager(ViewPager pager, TabLayout tabs, boolean onboarding, Conversation oldConversation) {
1418        pagerAdapter.setupViewPager(pager, tabs, onboarding, oldConversation);
1419    }
1420
1421    public void showViewPager() {
1422        pagerAdapter.show();
1423    }
1424
1425    public void hideViewPager() {
1426        pagerAdapter.hide();
1427    }
1428
1429    public interface OnMessageFound {
1430        void onMessageFound(final Message message);
1431    }
1432
1433    public static class Draft {
1434        private final String message;
1435        private final long timestamp;
1436
1437        private Draft(String message, long timestamp) {
1438            this.message = message;
1439            this.timestamp = timestamp;
1440        }
1441
1442        public long getTimestamp() {
1443            return timestamp;
1444        }
1445
1446        public String getMessage() {
1447            return message;
1448        }
1449    }
1450
1451    public class ConversationPagerAdapter extends PagerAdapter {
1452        protected ViewPager mPager = null;
1453        protected TabLayout mTabs = null;
1454        ArrayList<ConversationPage> sessions = null;
1455        protected View page1 = null;
1456        protected View page2 = null;
1457        protected boolean mOnboarding = false;
1458
1459        public void setupViewPager(ViewPager pager, TabLayout tabs, boolean onboarding, Conversation oldConversation) {
1460            mPager = pager;
1461            mTabs = tabs;
1462            mOnboarding = onboarding;
1463
1464            if (oldConversation != null) {
1465                oldConversation.pagerAdapter.mPager = null;
1466                oldConversation.pagerAdapter.mTabs = null;
1467            }
1468
1469            if (mPager == null) {
1470                page1 = null;
1471                page2 = null;
1472                return;
1473            }
1474            if (sessions != null) show();
1475
1476            if (pager.getChildAt(0) != null) page1 = pager.getChildAt(0);
1477            if (pager.getChildAt(1) != null) page2 = pager.getChildAt(1);
1478            if (page2 != null && page2.findViewById(R.id.commands_view) == null) {
1479                page1 = null;
1480                page2 = null;
1481            }
1482            if (page1 == null) page1 = oldConversation.pagerAdapter.page1;
1483            if (page2 == null) page2 = oldConversation.pagerAdapter.page2;
1484            if (page1 == null || page2 == null) {
1485                throw new IllegalStateException("page1 or page2 were not present as child or in model?");
1486            }
1487            pager.removeView(page1);
1488            pager.removeView(page2);
1489            pager.setAdapter(this);
1490            tabs.setupWithViewPager(mPager);
1491            pager.post(() -> pager.setCurrentItem(getCurrentTab()));
1492
1493            mPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
1494                public void onPageScrollStateChanged(int state) { }
1495                public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { }
1496
1497                public void onPageSelected(int position) {
1498                    setCurrentTab(position);
1499                }
1500            });
1501        }
1502
1503        public void show() {
1504            if (sessions == null) {
1505                sessions = new ArrayList<>();
1506                notifyDataSetChanged();
1507            }
1508            if (!mOnboarding && mTabs != null) mTabs.setVisibility(View.VISIBLE);
1509        }
1510
1511        public void hide() {
1512            if (sessions != null && !sessions.isEmpty()) return; // Do not hide during active session
1513            if (mPager != null) mPager.setCurrentItem(0);
1514            if (mTabs != null) mTabs.setVisibility(View.GONE);
1515            sessions = null;
1516            notifyDataSetChanged();
1517        }
1518
1519        public void refreshSessions() {
1520            if (sessions == null) return;
1521
1522            for (ConversationPage session : sessions) {
1523                session.refresh();
1524            }
1525        }
1526
1527        public void startWebxdc(WebxdcPage page) {
1528            show();
1529            sessions.add(page);
1530            notifyDataSetChanged();
1531            if (mPager != null) mPager.setCurrentItem(getCount() - 1);
1532        }
1533
1534        public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1535            show();
1536            CommandSession session = new CommandSession(command.getAttribute("name"), command.getAttribute("node"), xmppConnectionService);
1537
1538            final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
1539            packet.setTo(command.getAttributeAsJid("jid"));
1540            final Element c = packet.addChild("command", Namespace.COMMANDS);
1541            c.setAttribute("node", command.getAttribute("node"));
1542            c.setAttribute("action", "execute");
1543
1544            final TimerTask task = new TimerTask() {
1545                @Override
1546                public void run() {
1547                    if (getAccount().getStatus() != Account.State.ONLINE) {
1548                        final TimerTask self = this;
1549                        new Timer().schedule(new TimerTask() {
1550                            @Override
1551                            public void run() {
1552                                self.run();
1553                            }
1554                        }, 1000);
1555                    } else {
1556                        xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
1557                            session.updateWithResponse(iq);
1558                        }, 120L);
1559                    }
1560                }
1561            };
1562
1563            if (command.getAttribute("node").equals("jabber:iq:register") && packet.getTo().asBareJid().equals(Jid.of("cheogram.com"))) {
1564                new com.cheogram.android.CheogramLicenseChecker(mPager.getContext(), (signedData, signature) -> {
1565                    if (signedData != null && signature != null) {
1566                        c.addChild("license", "https://ns.cheogram.com/google-play").setContent(signedData);
1567                        c.addChild("licenseSignature", "https://ns.cheogram.com/google-play").setContent(signature);
1568                    }
1569
1570                    task.run();
1571                }).checkLicense();
1572            } else {
1573                task.run();
1574            }
1575
1576            sessions.add(session);
1577            notifyDataSetChanged();
1578            if (mPager != null) mPager.setCurrentItem(getCount() - 1);
1579        }
1580
1581        public void startMucConfig(XmppConnectionService xmppConnectionService) {
1582            MucConfigSession session = new MucConfigSession(xmppConnectionService);
1583            final IqPacket packet = new IqPacket(IqPacket.TYPE.GET);
1584            packet.setTo(Conversation.this.getJid().asBareJid());
1585            packet.addChild("query", "http://jabber.org/protocol/muc#owner");
1586
1587            final TimerTask task = new TimerTask() {
1588                @Override
1589                public void run() {
1590                    if (getAccount().getStatus() != Account.State.ONLINE) {
1591                        final TimerTask self = this;
1592                        new Timer().schedule(new TimerTask() {
1593                            @Override
1594                            public void run() {
1595                                self.run();
1596                            }
1597                        }, 1000);
1598                    } else {
1599                        xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
1600                            session.updateWithResponse(iq);
1601                        }, 120L);
1602                    }
1603                }
1604            };
1605            task.run();
1606
1607            sessions.add(session);
1608            notifyDataSetChanged();
1609            if (mPager != null) mPager.setCurrentItem(getCount() - 1);
1610        }
1611
1612        public void removeSession(ConversationPage session) {
1613            sessions.remove(session);
1614            notifyDataSetChanged();
1615            if (session instanceof WebxdcPage) mPager.setCurrentItem(0);
1616        }
1617
1618        public boolean switchToSession(final String node) {
1619            if (sessions == null) return false;
1620
1621            int i = 0;
1622            for (ConversationPage session : sessions) {
1623                if (session.getNode().equals(node)) {
1624                    if (mPager != null) mPager.setCurrentItem(i + 2);
1625                    return true;
1626                }
1627                i++;
1628            }
1629
1630            return false;
1631        }
1632
1633        @NonNull
1634        @Override
1635        public Object instantiateItem(@NonNull ViewGroup container, int position) {
1636            if (position == 0) {
1637                if (page1 != null && page1.getParent() != null) {
1638                    ((ViewGroup) page1.getParent()).removeView(page1);
1639                }
1640                container.addView(page1);
1641                return page1;
1642            }
1643            if (position == 1) {
1644                if (page2 != null && page2.getParent() != null) {
1645                    ((ViewGroup) page2.getParent()).removeView(page2);
1646                }
1647                container.addView(page2);
1648                return page2;
1649            }
1650
1651            ConversationPage session = sessions.get(position-2);
1652            View v = session.inflateUi(container.getContext(), (s) -> removeSession(s));
1653            if (v != null && v.getParent() != null) {
1654                ((ViewGroup) v.getParent()).removeView(v);
1655            }
1656            container.addView(v);
1657            return session;
1658        }
1659
1660        @Override
1661        public void destroyItem(@NonNull ViewGroup container, int position, Object o) {
1662            if (position < 2) {
1663                container.removeView((View) o);
1664                return;
1665            }
1666
1667            container.removeView(((ConversationPage) o).getView());
1668        }
1669
1670        @Override
1671        public int getItemPosition(Object o) {
1672            if (mPager != null) {
1673                if (o == page1) return PagerAdapter.POSITION_UNCHANGED;
1674                if (o == page2) return PagerAdapter.POSITION_UNCHANGED;
1675            }
1676
1677            int pos = sessions == null ? -1 : sessions.indexOf(o);
1678            if (pos < 0) return PagerAdapter.POSITION_NONE;
1679            return pos + 2;
1680        }
1681
1682        @Override
1683        public int getCount() {
1684            if (sessions == null) return 1;
1685
1686            int count = 2 + sessions.size();
1687            if (mTabs == null) return count;
1688
1689            if (count > 2) {
1690                mTabs.setTabMode(TabLayout.MODE_SCROLLABLE);
1691            } else {
1692                mTabs.setTabMode(TabLayout.MODE_FIXED);
1693            }
1694            return count;
1695        }
1696
1697        @Override
1698        public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
1699            if (view == o) return true;
1700
1701            if (o instanceof ConversationPage) {
1702                return ((ConversationPage) o).getView() == view;
1703            }
1704
1705            return false;
1706        }
1707
1708        @Nullable
1709        @Override
1710        public CharSequence getPageTitle(int position) {
1711            switch (position) {
1712                case 0:
1713                    return "Conversation";
1714                case 1:
1715                    return "Commands";
1716                default:
1717                    ConversationPage session = sessions.get(position-2);
1718                    if (session == null) return super.getPageTitle(position);
1719                    return session.getTitle();
1720            }
1721        }
1722
1723        class CommandSession extends RecyclerView.Adapter<CommandSession.ViewHolder> implements ConversationPage {
1724            abstract class ViewHolder<T extends ViewDataBinding> extends RecyclerView.ViewHolder {
1725                protected T binding;
1726
1727                public ViewHolder(T binding) {
1728                    super(binding.getRoot());
1729                    this.binding = binding;
1730                }
1731
1732                abstract public void bind(Item el);
1733
1734                protected void setTextOrHide(TextView v, Optional<String> s) {
1735                    if (s == null || !s.isPresent()) {
1736                        v.setVisibility(View.GONE);
1737                    } else {
1738                        v.setVisibility(View.VISIBLE);
1739                        v.setText(s.get());
1740                    }
1741                }
1742
1743                protected void setupInputType(Element field, TextView textinput, TextInputLayout layout) {
1744                    int flags = 0;
1745                    if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_NONE);
1746                    textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1747
1748                    String type = field.getAttribute("type");
1749                    if (type != null) {
1750                        if (type.equals("text-multi") || type.equals("jid-multi")) {
1751                            flags |= InputType.TYPE_TEXT_FLAG_MULTI_LINE;
1752                        }
1753
1754                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1755
1756                        if (type.equals("jid-single") || type.equals("jid-multi")) {
1757                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1758                        }
1759
1760                        if (type.equals("text-private")) {
1761                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
1762                            if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_PASSWORD_TOGGLE);
1763                        }
1764                    }
1765
1766                    Element validate = field.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1767                    if (validate == null) return;
1768                    String datatype = validate.getAttribute("datatype");
1769                    if (datatype == null) return;
1770
1771                    if (datatype.equals("xs:integer") || datatype.equals("xs:int") || datatype.equals("xs:long") || datatype.equals("xs:short") || datatype.equals("xs:byte")) {
1772                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED);
1773                    }
1774
1775                    if (datatype.equals("xs:decimal") || datatype.equals("xs:double")) {
1776                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL);
1777                    }
1778
1779                    if (datatype.equals("xs:date")) {
1780                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_DATE);
1781                    }
1782
1783                    if (datatype.equals("xs:dateTime")) {
1784                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_NORMAL);
1785                    }
1786
1787                    if (datatype.equals("xs:time")) {
1788                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_TIME);
1789                    }
1790
1791                    if (datatype.equals("xs:anyURI")) {
1792                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
1793                    }
1794
1795                    if (datatype.equals("html:tel")) {
1796                        textinput.setInputType(flags | InputType.TYPE_CLASS_PHONE);
1797                    }
1798
1799                    if (datatype.equals("html:email")) {
1800                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1801                    }
1802                }
1803
1804                protected String formatValue(String datatype, String value, boolean compact) {
1805                    if ("xs:dateTime".equals(datatype)) {
1806                        ZonedDateTime zonedDateTime = null;
1807                        try {
1808                            zonedDateTime = ZonedDateTime.parse(value, DateTimeFormatter.ISO_DATE_TIME);
1809                        } catch (final DateTimeParseException e) {
1810                            try {
1811                                DateTimeFormatter almostIso = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm[:ss] X");
1812                                zonedDateTime = ZonedDateTime.parse(value, almostIso);
1813                            } catch (final DateTimeParseException e2) { }
1814                        }
1815                        if (zonedDateTime == null) return value;
1816                        ZonedDateTime localZonedDateTime = zonedDateTime.withZoneSameInstant(ZoneId.systemDefault());
1817                        DateTimeFormatter outputFormat = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.SHORT);
1818                        return localZonedDateTime.toLocalDateTime().format(outputFormat);
1819                    }
1820
1821                    if ("html:tel".equals(datatype) && !compact) {
1822                        return PhoneNumberUtils.formatNumber(value, value, null);
1823                    }
1824
1825                    return value;
1826                }
1827            }
1828
1829            class ErrorViewHolder extends ViewHolder<CommandNoteBinding> {
1830                public ErrorViewHolder(CommandNoteBinding binding) { super(binding); }
1831
1832                @Override
1833                public void bind(Item iq) {
1834                    binding.errorIcon.setVisibility(View.VISIBLE);
1835
1836                    if (iq == null || iq.el == null) return;
1837                    Element error = iq.el.findChild("error");
1838                    if (error == null) {
1839                        binding.message.setText("Unexpected response: " + iq);
1840                        return;
1841                    }
1842                    String text = error.findChildContent("text", "urn:ietf:params:xml:ns:xmpp-stanzas");
1843                    if (text == null || text.equals("")) {
1844                        text = error.getChildren().get(0).getName();
1845                    }
1846                    binding.message.setText(text);
1847                }
1848            }
1849
1850            class NoteViewHolder extends ViewHolder<CommandNoteBinding> {
1851                public NoteViewHolder(CommandNoteBinding binding) { super(binding); }
1852
1853                @Override
1854                public void bind(Item note) {
1855                    binding.message.setText(note != null && note.el != null ? note.el.getContent() : "");
1856
1857                    String type = note.el.getAttribute("type");
1858                    if (type != null && type.equals("error")) {
1859                        binding.errorIcon.setVisibility(View.VISIBLE);
1860                    }
1861                }
1862            }
1863
1864            class ResultFieldViewHolder extends ViewHolder<CommandResultFieldBinding> {
1865                public ResultFieldViewHolder(CommandResultFieldBinding binding) { super(binding); }
1866
1867                @Override
1868                public void bind(Item item) {
1869                    Field field = (Field) item;
1870                    setTextOrHide(binding.label, field.getLabel());
1871                    setTextOrHide(binding.desc, field.getDesc());
1872
1873                    Element media = field.el.findChild("media", "urn:xmpp:media-element");
1874                    if (media == null) {
1875                        binding.mediaImage.setVisibility(View.GONE);
1876                    } else {
1877                        final LruCache<String, Drawable> cache = xmppConnectionService.getDrawableCache();
1878                        final HttpConnectionManager httpManager = xmppConnectionService.getHttpConnectionManager();
1879                        for (Element uriEl : media.getChildren()) {
1880                            if (!"uri".equals(uriEl.getName())) continue;
1881                            if (!"urn:xmpp:media-element".equals(uriEl.getNamespace())) continue;
1882                            String mimeType = uriEl.getAttribute("type");
1883                            String uriS = uriEl.getContent();
1884                            if (mimeType == null || uriS == null) continue;
1885                            Uri uri = Uri.parse(uriS);
1886                            if (mimeType.startsWith("image/") && "https".equals(uri.getScheme())) {
1887                                final Drawable d = getDrawableForUrl(uri.toString());
1888                                if (d != null) {
1889                                    binding.mediaImage.setImageDrawable(d);
1890                                    binding.mediaImage.setVisibility(View.VISIBLE);
1891                                }
1892                            }
1893                        }
1894                    }
1895
1896                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1897                    String datatype = validate == null ? null : validate.getAttribute("datatype");
1898
1899                    ArrayAdapter<Option> values = new ArrayAdapter<>(binding.getRoot().getContext(), R.layout.simple_list_item);
1900                    for (Element el : field.el.getChildren()) {
1901                        if (el.getName().equals("value") && el.getNamespace().equals("jabber:x:data")) {
1902                            values.add(new Option(el.getContent(), formatValue(datatype, el.getContent(), false)));
1903                        }
1904                    }
1905                    binding.values.setAdapter(values);
1906                    Util.justifyListViewHeightBasedOnChildren(binding.values);
1907
1908                    if (field.getType().equals(Optional.of("jid-single")) || field.getType().equals(Optional.of("jid-multi"))) {
1909                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1910                            new FixedURLSpan("xmpp:" + Uri.encode(Jid.ofEscaped(values.getItem(pos).getValue()).toEscapedString(), "@/+"), account).onClick(binding.values);
1911                        });
1912                    } else if ("xs:anyURI".equals(datatype)) {
1913                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1914                            new FixedURLSpan(values.getItem(pos).getValue(), account).onClick(binding.values);
1915                        });
1916                    } else if ("html:tel".equals(datatype)) {
1917                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1918                            try {
1919                                new FixedURLSpan("tel:" + PhoneNumberUtilWrapper.normalize(binding.getRoot().getContext(), values.getItem(pos).getValue()), account).onClick(binding.values);
1920                            } catch (final IllegalArgumentException | NumberParseException | NullPointerException e) { }
1921                        });
1922                    }
1923
1924                    binding.values.setOnItemLongClickListener((arg0, arg1, pos, id) -> {
1925                        if (ShareUtil.copyTextToClipboard(binding.getRoot().getContext(), values.getItem(pos).getValue(), R.string.message)) {
1926                            Toast.makeText(binding.getRoot().getContext(), R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1927                        }
1928                        return true;
1929                    });
1930                }
1931            }
1932
1933            class ResultCellViewHolder extends ViewHolder<CommandResultCellBinding> {
1934                public ResultCellViewHolder(CommandResultCellBinding binding) { super(binding); }
1935
1936                @Override
1937                public void bind(Item item) {
1938                    Cell cell = (Cell) item;
1939
1940                    if (cell.el == null) {
1941                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Subhead);
1942                        setTextOrHide(binding.text, cell.reported.getLabel());
1943                    } else {
1944                        Element validate = cell.reported.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1945                        String datatype = validate == null ? null : validate.getAttribute("datatype");
1946                        String value = formatValue(datatype, cell.el.findChildContent("value", "jabber:x:data"), true);
1947                        SpannableStringBuilder text = new SpannableStringBuilder(value == null ? "" : value);
1948                        if (cell.reported.getType().equals(Optional.of("jid-single"))) {
1949                            text.setSpan(new FixedURLSpan("xmpp:" + Jid.ofEscaped(text.toString()).toEscapedString(), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1950                        } else if ("xs:anyURI".equals(datatype)) {
1951                            text.setSpan(new FixedURLSpan(text.toString(), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1952                        } else if ("html:tel".equals(datatype)) {
1953                            try {
1954                                text.setSpan(new FixedURLSpan("tel:" + PhoneNumberUtilWrapper.normalize(binding.getRoot().getContext(), text.toString()), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1955                            } catch (final IllegalArgumentException | NumberParseException | NullPointerException e) { }
1956                        }
1957
1958                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Body1);
1959                        binding.text.setText(text);
1960
1961                        BetterLinkMovementMethod method = BetterLinkMovementMethod.newInstance();
1962                        method.setOnLinkLongClickListener((tv, url) -> {
1963                            tv.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1964                            ShareUtil.copyLinkToClipboard(binding.getRoot().getContext(), url);
1965                            return true;
1966                        });
1967                        binding.text.setMovementMethod(method);
1968                    }
1969                }
1970            }
1971
1972            class ItemCardViewHolder extends ViewHolder<CommandItemCardBinding> {
1973                public ItemCardViewHolder(CommandItemCardBinding binding) { super(binding); }
1974
1975                @Override
1976                public void bind(Item item) {
1977                    binding.fields.removeAllViews();
1978
1979                    for (Field field : reported) {
1980                        CommandResultFieldBinding row = DataBindingUtil.inflate(LayoutInflater.from(binding.getRoot().getContext()), R.layout.command_result_field, binding.fields, false);
1981                        GridLayout.LayoutParams param = new GridLayout.LayoutParams();
1982                        param.columnSpec = GridLayout.spec(GridLayout.UNDEFINED, GridLayout.FILL, 1f);
1983                        param.width = 0;
1984                        row.getRoot().setLayoutParams(param);
1985                        binding.fields.addView(row.getRoot());
1986                        for (Element el : item.el.getChildren()) {
1987                            if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data") && el.getAttribute("var") != null && el.getAttribute("var").equals(field.getVar())) {
1988                                for (String label : field.getLabel().asSet()) {
1989                                    el.setAttribute("label", label);
1990                                }
1991                                for (String desc : field.getDesc().asSet()) {
1992                                    el.setAttribute("desc", desc);
1993                                }
1994                                for (String type : field.getType().asSet()) {
1995                                    el.setAttribute("type", type);
1996                                }
1997                                Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1998                                if (validate != null) el.addChild(validate);
1999                                new ResultFieldViewHolder(row).bind(new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), -1));
2000                            }
2001                        }
2002                    }
2003                }
2004            }
2005
2006            class CheckboxFieldViewHolder extends ViewHolder<CommandCheckboxFieldBinding> implements CompoundButton.OnCheckedChangeListener {
2007                public CheckboxFieldViewHolder(CommandCheckboxFieldBinding binding) {
2008                    super(binding);
2009                    binding.row.setOnClickListener((v) -> {
2010                        binding.checkbox.toggle();
2011                    });
2012                    binding.checkbox.setOnCheckedChangeListener(this);
2013                }
2014                protected Element mValue = null;
2015
2016                @Override
2017                public void bind(Item item) {
2018                    Field field = (Field) item;
2019                    binding.label.setText(field.getLabel().or(""));
2020                    setTextOrHide(binding.desc, field.getDesc());
2021                    mValue = field.getValue();
2022                    binding.checkbox.setChecked(mValue.getContent() != null && (mValue.getContent().equals("true") || mValue.getContent().equals("1")));
2023                }
2024
2025                @Override
2026                public void onCheckedChanged(CompoundButton checkbox, boolean isChecked) {
2027                    if (mValue == null) return;
2028
2029                    mValue.setContent(isChecked ? "true" : "false");
2030                }
2031            }
2032
2033            class SearchListFieldViewHolder extends ViewHolder<CommandSearchListFieldBinding> implements TextWatcher {
2034                public SearchListFieldViewHolder(CommandSearchListFieldBinding binding) {
2035                    super(binding);
2036                    binding.search.addTextChangedListener(this);
2037                }
2038                protected Field field = null;
2039                Set<String> filteredValues;
2040                List<Option> options = new ArrayList<>();
2041                protected ArrayAdapter<Option> adapter;
2042                protected boolean open;
2043                protected boolean multi;
2044
2045                @Override
2046                public void bind(Item item) {
2047                    field = (Field) item;
2048                    setTextOrHide(binding.label, field.getLabel());
2049                    setTextOrHide(binding.desc, field.getDesc());
2050
2051                    if (field.error != null) {
2052                        binding.desc.setVisibility(View.VISIBLE);
2053                        binding.desc.setText(field.error);
2054                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2055                    } else {
2056                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2057                    }
2058
2059                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2060                    open = validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null;
2061                    setupInputType(field.el, binding.search, null);
2062
2063                    multi = field.getType().equals(Optional.of("list-multi"));
2064                    if (multi) {
2065                        binding.list.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE);
2066                    } else {
2067                        binding.list.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
2068                    }
2069
2070                    options = field.getOptions();
2071                    binding.list.setOnItemClickListener((parent, view, position, id) -> {
2072                        Set<String> values = new HashSet<>();
2073                        if (multi) {
2074                            values.addAll(field.getValues());
2075                            for (final String value : field.getValues()) {
2076                                if (filteredValues.contains(value)) {
2077                                    values.remove(value);
2078                                }
2079                            }
2080                        }
2081
2082                        SparseBooleanArray positions = binding.list.getCheckedItemPositions();
2083                        for (int i = 0; i < positions.size(); i++) {
2084                            if (positions.valueAt(i)) values.add(adapter.getItem(positions.keyAt(i)).getValue());
2085                        }
2086                        field.setValues(values);
2087
2088                        if (!multi && open) binding.search.setText(String.join("\n", field.getValues()));
2089                    });
2090                    search("");
2091                }
2092
2093                @Override
2094                public void afterTextChanged(Editable s) {
2095                    if (!multi && open) field.setValues(List.of(s.toString()));
2096                    search(s.toString());
2097                }
2098
2099                @Override
2100                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2101
2102                @Override
2103                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2104
2105                protected void search(String s) {
2106                    List<Option> filteredOptions;
2107                    final String q = s.replaceAll("\\W", "").toLowerCase();
2108                    if (q == null || q.equals("")) {
2109                        filteredOptions = options;
2110                    } else {
2111                        filteredOptions = options.stream().filter(o -> o.toString().replaceAll("\\W", "").toLowerCase().contains(q)).collect(Collectors.toList());
2112                    }
2113                    filteredValues = filteredOptions.stream().map(o -> o.getValue()).collect(Collectors.toSet());
2114                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item, filteredOptions);
2115                    binding.list.setAdapter(adapter);
2116
2117                    for (final String value : field.getValues()) {
2118                        int checkedPos = filteredOptions.indexOf(new Option(value, ""));
2119                        if (checkedPos >= 0) binding.list.setItemChecked(checkedPos, true);
2120                    }
2121                }
2122            }
2123
2124            class RadioEditFieldViewHolder extends ViewHolder<CommandRadioEditFieldBinding> implements CompoundButton.OnCheckedChangeListener, TextWatcher {
2125                public RadioEditFieldViewHolder(CommandRadioEditFieldBinding binding) {
2126                    super(binding);
2127                    binding.open.addTextChangedListener(this);
2128                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.radio_grid_item) {
2129                        @Override
2130                        public View getView(int position, View convertView, ViewGroup parent) {
2131                            CompoundButton v = (CompoundButton) super.getView(position, convertView, parent);
2132                            v.setId(position);
2133                            v.setChecked(getItem(position).getValue().equals(mValue.getContent()));
2134                            v.setOnCheckedChangeListener(RadioEditFieldViewHolder.this);
2135                            return v;
2136                        }
2137                    };
2138                }
2139                protected Element mValue = null;
2140                protected ArrayAdapter<Option> options;
2141
2142                @Override
2143                public void bind(Item item) {
2144                    Field field = (Field) item;
2145                    setTextOrHide(binding.label, field.getLabel());
2146                    setTextOrHide(binding.desc, field.getDesc());
2147
2148                    if (field.error != null) {
2149                        binding.desc.setVisibility(View.VISIBLE);
2150                        binding.desc.setText(field.error);
2151                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2152                    } else {
2153                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2154                    }
2155
2156                    mValue = field.getValue();
2157
2158                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2159                    binding.open.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
2160                    binding.open.setText(mValue.getContent());
2161                    setupInputType(field.el, binding.open, null);
2162
2163                    options.clear();
2164                    List<Option> theOptions = field.getOptions();
2165                    options.addAll(theOptions);
2166
2167                    float screenWidth = binding.getRoot().getContext().getResources().getDisplayMetrics().widthPixels;
2168                    TextPaint paint = ((TextView) LayoutInflater.from(binding.getRoot().getContext()).inflate(R.layout.radio_grid_item, null)).getPaint();
2169                    float maxColumnWidth = theOptions.stream().map((x) ->
2170                        StaticLayout.getDesiredWidth(x.toString(), paint)
2171                    ).max(Float::compare).orElse(new Float(0.0));
2172                    if (maxColumnWidth * theOptions.size() < 0.90 * screenWidth) {
2173                        binding.radios.setNumColumns(theOptions.size());
2174                    } else if (maxColumnWidth * (theOptions.size() / 2) < 0.90 * screenWidth) {
2175                        binding.radios.setNumColumns(theOptions.size() / 2);
2176                    } else {
2177                        binding.radios.setNumColumns(1);
2178                    }
2179                    binding.radios.setAdapter(options);
2180                }
2181
2182                @Override
2183                public void onCheckedChanged(CompoundButton radio, boolean isChecked) {
2184                    if (mValue == null) return;
2185
2186                    if (isChecked) {
2187                        mValue.setContent(options.getItem(radio.getId()).getValue());
2188                        binding.open.setText(mValue.getContent());
2189                    }
2190                    options.notifyDataSetChanged();
2191                }
2192
2193                @Override
2194                public void afterTextChanged(Editable s) {
2195                    if (mValue == null) return;
2196
2197                    mValue.setContent(s.toString());
2198                    options.notifyDataSetChanged();
2199                }
2200
2201                @Override
2202                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2203
2204                @Override
2205                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2206            }
2207
2208            class SpinnerFieldViewHolder extends ViewHolder<CommandSpinnerFieldBinding> implements AdapterView.OnItemSelectedListener {
2209                public SpinnerFieldViewHolder(CommandSpinnerFieldBinding binding) {
2210                    super(binding);
2211                    binding.spinner.setOnItemSelectedListener(this);
2212                }
2213                protected Element mValue = null;
2214
2215                @Override
2216                public void bind(Item item) {
2217                    Field field = (Field) item;
2218                    setTextOrHide(binding.label, field.getLabel());
2219                    binding.spinner.setPrompt(field.getLabel().or(""));
2220                    setTextOrHide(binding.desc, field.getDesc());
2221
2222                    mValue = field.getValue();
2223
2224                    ArrayAdapter<Option> options = new ArrayAdapter<Option>(binding.getRoot().getContext(), android.R.layout.simple_spinner_item);
2225                    options.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
2226                    options.addAll(field.getOptions());
2227
2228                    binding.spinner.setAdapter(options);
2229                    binding.spinner.setSelection(options.getPosition(new Option(mValue.getContent(), null)));
2230                }
2231
2232                @Override
2233                public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
2234                    Option o = (Option) parent.getItemAtPosition(pos);
2235                    if (mValue == null) return;
2236
2237                    mValue.setContent(o == null ? "" : o.getValue());
2238                }
2239
2240                @Override
2241                public void onNothingSelected(AdapterView<?> parent) {
2242                    mValue.setContent("");
2243                }
2244            }
2245
2246            class ButtonGridFieldViewHolder extends ViewHolder<CommandButtonGridFieldBinding> {
2247                public ButtonGridFieldViewHolder(CommandButtonGridFieldBinding binding) {
2248                    super(binding);
2249                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.button_grid_item) {
2250                        protected int height = 0;
2251
2252                        @Override
2253                        public View getView(int position, View convertView, ViewGroup parent) {
2254                            Button v = (Button) super.getView(position, convertView, parent);
2255                            v.setOnClickListener((view) -> {
2256                                mValue.setContent(getItem(position).getValue());
2257                                execute();
2258                                loading = true;
2259                            });
2260
2261                            final SVG icon = getItem(position).getIcon();
2262                            if (icon != null) {
2263                                 final Element iconEl = getItem(position).getIconEl();
2264                                 if (height < 1) {
2265                                     v.measure(0, 0);
2266                                     height = v.getMeasuredHeight();
2267                                 }
2268                                 if (height < 1) return v;
2269                                 if (mediaSelector) {
2270                                     final Drawable d = getDrawableForSVG(icon, iconEl, height * 4);
2271                                     if (d != null) {
2272                                         final int boundsHeight = 35 + (int)((height * 4) / xmppConnectionService.getResources().getDisplayMetrics().density);
2273                                         d.setBounds(0, 0, d.getIntrinsicWidth(), boundsHeight);
2274                                     }
2275                                     v.setCompoundDrawables(null, d, null, null);
2276                                 } else {
2277                                     v.setCompoundDrawablesRelativeWithIntrinsicBounds(getDrawableForSVG(icon, iconEl, height), null, null, null);
2278                                 }
2279                            }
2280
2281                            return v;
2282                        }
2283                    };
2284                }
2285                protected Element mValue = null;
2286                protected ArrayAdapter<Option> options;
2287                protected Option defaultOption = null;
2288                protected boolean mediaSelector = false;
2289
2290                @Override
2291                public void bind(Item item) {
2292                    Field field = (Field) item;
2293                    setTextOrHide(binding.label, field.getLabel());
2294                    setTextOrHide(binding.desc, field.getDesc());
2295
2296                    if (field.error != null) {
2297                        binding.desc.setVisibility(View.VISIBLE);
2298                        binding.desc.setText(field.error);
2299                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2300                    } else {
2301                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2302                    }
2303
2304                    mValue = field.getValue();
2305                    mediaSelector = field.el.findChild("media-selector", "https://ns.cheogram.com/") != null;
2306
2307                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2308                    binding.openButton.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
2309                    binding.openButton.setOnClickListener((view) -> {
2310                        AlertDialog.Builder builder = new AlertDialog.Builder(binding.getRoot().getContext());
2311                        DialogQuickeditBinding dialogBinding = DataBindingUtil.inflate(LayoutInflater.from(binding.getRoot().getContext()), R.layout.dialog_quickedit, null, false);
2312                        builder.setPositiveButton(R.string.action_execute, null);
2313                        if (field.getDesc().isPresent()) {
2314                            dialogBinding.inputLayout.setHint(field.getDesc().get());
2315                        }
2316                        dialogBinding.inputEditText.requestFocus();
2317                        dialogBinding.inputEditText.getText().append(mValue.getContent());
2318                        builder.setView(dialogBinding.getRoot());
2319                        builder.setNegativeButton(R.string.cancel, null);
2320                        final AlertDialog dialog = builder.create();
2321                        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(dialogBinding.inputEditText));
2322                        dialog.show();
2323                        View.OnClickListener clickListener = v -> {
2324                            String value = dialogBinding.inputEditText.getText().toString();
2325                            mValue.setContent(value);
2326                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2327                            dialog.dismiss();
2328                            execute();
2329                            loading = true;
2330                        };
2331                        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
2332                        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
2333                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2334                            dialog.dismiss();
2335                        }));
2336                        dialog.setCanceledOnTouchOutside(false);
2337                        dialog.setOnDismissListener(dialog1 -> {
2338                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2339                        });
2340                    });
2341
2342                    options.clear();
2343                    List<Option> theOptions = field.getType().equals(Optional.of("boolean")) ? new ArrayList<>(List.of(new Option("false", binding.getRoot().getContext().getString(R.string.no)), new Option("true", binding.getRoot().getContext().getString(R.string.yes)))) : field.getOptions();
2344
2345                    defaultOption = null;
2346                    for (Option option : theOptions) {
2347                        if (option.getValue().equals(mValue.getContent())) {
2348                            defaultOption = option;
2349                            break;
2350                        }
2351                    }
2352                    if (defaultOption == null && !mValue.getContent().equals("")) {
2353                        // Synthesize default option for custom value
2354                        defaultOption = new Option(mValue.getContent(), mValue.getContent());
2355                    }
2356                    if (defaultOption == null) {
2357                        binding.defaultButton.setVisibility(View.GONE);
2358                    } else {
2359                        theOptions.remove(defaultOption);
2360                        binding.defaultButton.setVisibility(View.VISIBLE);
2361
2362                        final SVG defaultIcon = defaultOption.getIcon();
2363                        if (defaultIcon != null) {
2364                             DisplayMetrics display = mPager.getContext().getResources().getDisplayMetrics();
2365                             int height = (int)(display.heightPixels*display.density/4);
2366                             binding.defaultButton.setCompoundDrawablesRelativeWithIntrinsicBounds(null, getDrawableForSVG(defaultIcon, defaultOption.getIconEl(), height), null, null);
2367                        }
2368
2369                        binding.defaultButton.setText(defaultOption.toString());
2370                        binding.defaultButton.setOnClickListener((view) -> {
2371                            mValue.setContent(defaultOption.getValue());
2372                            execute();
2373                            loading = true;
2374                        });
2375                    }
2376
2377                    options.addAll(theOptions);
2378                    binding.buttons.setAdapter(options);
2379                }
2380            }
2381
2382            class TextFieldViewHolder extends ViewHolder<CommandTextFieldBinding> implements TextWatcher {
2383                public TextFieldViewHolder(CommandTextFieldBinding binding) {
2384                    super(binding);
2385                    binding.textinput.addTextChangedListener(this);
2386                }
2387                protected Field field = null;
2388
2389                @Override
2390                public void bind(Item item) {
2391                    field = (Field) item;
2392                    binding.textinputLayout.setHint(field.getLabel().or(""));
2393
2394                    binding.textinputLayout.setHelperTextEnabled(field.getDesc().isPresent());
2395                    for (String desc : field.getDesc().asSet()) {
2396                        binding.textinputLayout.setHelperText(desc);
2397                    }
2398
2399                    binding.textinputLayout.setErrorEnabled(field.error != null);
2400                    if (field.error != null) binding.textinputLayout.setError(field.error);
2401
2402                    binding.textinput.setTextAlignment(View.TEXT_ALIGNMENT_GRAVITY);
2403                    String suffixLabel = field.el.findChildContent("x", "https://ns.cheogram.com/suffix-label");
2404                    if (suffixLabel == null) {
2405                        binding.textinputLayout.setSuffixText("");
2406                    } else {
2407                        binding.textinputLayout.setSuffixText(suffixLabel);
2408                        binding.textinput.setTextAlignment(View.TEXT_ALIGNMENT_TEXT_END);
2409                    }
2410
2411                    String prefixLabel = field.el.findChildContent("x", "https://ns.cheogram.com/prefix-label");
2412                    binding.textinputLayout.setPrefixText(prefixLabel == null ? "" : prefixLabel);
2413
2414                    binding.textinput.setText(String.join("\n", field.getValues()));
2415                    setupInputType(field.el, binding.textinput, binding.textinputLayout);
2416                }
2417
2418                @Override
2419                public void afterTextChanged(Editable s) {
2420                    if (field == null) return;
2421
2422                    field.setValues(List.of(s.toString().split("\n")));
2423                }
2424
2425                @Override
2426                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2427
2428                @Override
2429                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2430            }
2431
2432            class SliderFieldViewHolder extends ViewHolder<CommandSliderFieldBinding> {
2433                public SliderFieldViewHolder(CommandSliderFieldBinding binding) { super(binding); }
2434                protected Field field = null;
2435
2436                @Override
2437                public void bind(Item item) {
2438                    field = (Field) item;
2439                    setTextOrHide(binding.label, field.getLabel());
2440                    setTextOrHide(binding.desc, field.getDesc());
2441                    final Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2442                    final String datatype = validate == null ? null : validate.getAttribute("datatype");
2443                    final Element range = validate == null ? null : validate.findChild("range", "http://jabber.org/protocol/xdata-validate");
2444                    // NOTE: range also implies open, so we don't have to be bound by the options strictly
2445                    // Also, we don't have anywhere to put labels so we show only values, which might sometimes be bad...
2446                    Float min = null;
2447                    try { min = range.getAttribute("min") == null ? null : Float.valueOf(range.getAttribute("min")); } catch (NumberFormatException e) { }
2448                    Float max = null;
2449                    try { max = range.getAttribute("max") == null ? null : Float.valueOf(range.getAttribute("max"));  } catch (NumberFormatException e) { }
2450
2451                    List<Float> options = field.getOptions().stream().map(o -> Float.valueOf(o.getValue())).collect(Collectors.toList());
2452                    Collections.sort(options);
2453                    if (options.size() > 0) {
2454                        // min/max should be on the range, but if you have options and didn't put them on the range we can imply
2455                        if (min == null) min = options.get(0);
2456                        if (max == null) max = options.get(options.size()-1);
2457                    }
2458
2459                    if (field.getValues().size() > 0) binding.slider.setValue(Float.valueOf(field.getValue().getContent()));
2460                    binding.slider.setValueFrom(min == null ? Float.MIN_VALUE : min);
2461                    binding.slider.setValueTo(max == null ? Float.MAX_VALUE : max);
2462                    if ("xs:integer".equals(datatype) || "xs:int".equals(datatype) || "xs:long".equals(datatype) || "xs:short".equals(datatype) || "xs:byte".equals(datatype)) {
2463                        binding.slider.setStepSize(1);
2464                    } else {
2465                        binding.slider.setStepSize(0);
2466                    }
2467
2468                    if (options.size() > 0) {
2469                        float step = -1;
2470                        Float prev = null;
2471                        for (final Float option : options) {
2472                            if (prev != null) {
2473                                float nextStep = option - prev;
2474                                if (step > 0 && step != nextStep) {
2475                                    step = -1;
2476                                    break;
2477                                }
2478                                step = nextStep;
2479                            }
2480                            prev = option;
2481                        }
2482                        if (step > 0) binding.slider.setStepSize(step);
2483                    }
2484
2485                    binding.slider.addOnChangeListener((slider, value, fromUser) -> {
2486                        field.setValues(List.of(new DecimalFormat().format(value)));
2487                    });
2488                }
2489            }
2490
2491            class WebViewHolder extends ViewHolder<CommandWebviewBinding> {
2492                public WebViewHolder(CommandWebviewBinding binding) { super(binding); }
2493                protected String boundUrl = "";
2494
2495                @Override
2496                public void bind(Item oob) {
2497                    setTextOrHide(binding.desc, Optional.fromNullable(oob.el.findChildContent("desc", "jabber:x:oob")));
2498                    binding.webview.getSettings().setJavaScriptEnabled(true);
2499                    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");
2500                    binding.webview.getSettings().setDatabaseEnabled(true);
2501                    binding.webview.getSettings().setDomStorageEnabled(true);
2502                    binding.webview.setWebChromeClient(new WebChromeClient() {
2503                        @Override
2504                        public void onProgressChanged(WebView view, int newProgress) {
2505                            binding.progressbar.setVisibility(newProgress < 100 ? View.VISIBLE : View.GONE);
2506                            binding.progressbar.setProgress(newProgress);
2507                        }
2508                    });
2509                    binding.webview.setWebViewClient(new WebViewClient() {
2510                        @Override
2511                        public void onPageFinished(WebView view, String url) {
2512                            super.onPageFinished(view, url);
2513                            mTitle = view.getTitle();
2514                            ConversationPagerAdapter.this.notifyDataSetChanged();
2515                        }
2516                    });
2517                    final String url = oob.el.findChildContent("url", "jabber:x:oob");
2518                    if (!boundUrl.equals(url)) {
2519                        binding.webview.addJavascriptInterface(new JsObject(), "xmpp_xep0050");
2520                        binding.webview.loadUrl(url);
2521                        boundUrl = url;
2522                    }
2523                }
2524
2525                class JsObject {
2526                    @JavascriptInterface
2527                    public void execute() { execute("execute"); }
2528
2529                    @JavascriptInterface
2530                    public void execute(String action) {
2531                        getView().post(() -> {
2532                            actionToWebview = null;
2533                            if(CommandSession.this.execute(action)) {
2534                                removeSession(CommandSession.this);
2535                            }
2536                        });
2537                    }
2538
2539                    @JavascriptInterface
2540                    public void preventDefault() {
2541                        actionToWebview = binding.webview;
2542                    }
2543                }
2544            }
2545
2546            class ProgressBarViewHolder extends ViewHolder<CommandProgressBarBinding> {
2547                public ProgressBarViewHolder(CommandProgressBarBinding binding) { super(binding); }
2548
2549                @Override
2550                public void bind(Item item) {
2551                    binding.text.setVisibility(loadingHasBeenLong ? View.VISIBLE : View.GONE);
2552                }
2553            }
2554
2555            class Item {
2556                protected Element el;
2557                protected int viewType;
2558                protected String error = null;
2559
2560                Item(Element el, int viewType) {
2561                    this.el = el;
2562                    this.viewType = viewType;
2563                }
2564
2565                public boolean validate() {
2566                    error = null;
2567                    return true;
2568                }
2569            }
2570
2571            class Field extends Item {
2572                Field(eu.siacs.conversations.xmpp.forms.Field el, int viewType) { super(el, viewType); }
2573
2574                @Override
2575                public boolean validate() {
2576                    if (!super.validate()) return false;
2577                    if (el.findChild("required", "jabber:x:data") == null) return true;
2578                    if (getValue().getContent() != null && !getValue().getContent().equals("")) return true;
2579
2580                    error = "this value is required";
2581                    return false;
2582                }
2583
2584                public String getVar() {
2585                    return el.getAttribute("var");
2586                }
2587
2588                public Optional<String> getType() {
2589                    return Optional.fromNullable(el.getAttribute("type"));
2590                }
2591
2592                public Optional<String> getLabel() {
2593                    String label = el.getAttribute("label");
2594                    if (label == null) label = getVar();
2595                    return Optional.fromNullable(label);
2596                }
2597
2598                public Optional<String> getDesc() {
2599                    return Optional.fromNullable(el.findChildContent("desc", "jabber:x:data"));
2600                }
2601
2602                public Element getValue() {
2603                    Element value = el.findChild("value", "jabber:x:data");
2604                    if (value == null) {
2605                        value = el.addChild("value", "jabber:x:data");
2606                    }
2607                    return value;
2608                }
2609
2610                public void setValues(Collection<String> values) {
2611                    for(Element child : el.getChildren()) {
2612                        if ("value".equals(child.getName()) && "jabber:x:data".equals(child.getNamespace())) {
2613                            el.removeChild(child);
2614                        }
2615                    }
2616
2617                    for (String value : values) {
2618                        el.addChild("value", "jabber:x:data").setContent(value);
2619                    }
2620                }
2621
2622                public List<String> getValues() {
2623                    List<String> values = new ArrayList<>();
2624                    for(Element child : el.getChildren()) {
2625                        if ("value".equals(child.getName()) && "jabber:x:data".equals(child.getNamespace())) {
2626                            values.add(child.getContent());
2627                        }
2628                    }
2629                    return values;
2630                }
2631
2632                public List<Option> getOptions() {
2633                    return Option.forField(el);
2634                }
2635            }
2636
2637            class Cell extends Item {
2638                protected Field reported;
2639
2640                Cell(Field reported, Element item) {
2641                    super(item, TYPE_RESULT_CELL);
2642                    this.reported = reported;
2643                }
2644            }
2645
2646            protected Field mkField(Element el) {
2647                int viewType = -1;
2648
2649                String formType = responseElement.getAttribute("type");
2650                if (formType != null) {
2651                    String fieldType = el.getAttribute("type");
2652                    if (fieldType == null) fieldType = "text-single";
2653
2654                    if (formType.equals("result") || fieldType.equals("fixed")) {
2655                        viewType = TYPE_RESULT_FIELD;
2656                    } else if (formType.equals("form")) {
2657                        final Element validate = el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2658                        final String datatype = validate == null ? null : validate.getAttribute("datatype");
2659                        final Element range = validate == null ? null : validate.findChild("range", "http://jabber.org/protocol/xdata-validate");
2660                        if (fieldType.equals("boolean")) {
2661                            if (fillableFieldCount == 1 && actionsAdapter.countProceed() < 1) {
2662                                viewType = TYPE_BUTTON_GRID_FIELD;
2663                            } else {
2664                                viewType = TYPE_CHECKBOX_FIELD;
2665                            }
2666                        } else if (
2667                            range != null && (
2668                                "xs:integer".equals(datatype) || "xs:int".equals(datatype) || "xs:long".equals(datatype) || "xs:short".equals(datatype) || "xs:byte".equals(datatype) ||
2669                                "xs:decimal".equals(datatype) || "xs:double".equals(datatype)
2670                            )
2671                        ) {
2672                            // has a range and is numeric, use a slider
2673                            viewType = TYPE_SLIDER_FIELD;
2674                        } else if (fieldType.equals("list-single")) {
2675                            if (fillableFieldCount == 1 && actionsAdapter.countProceed() < 1 && Option.forField(el).size() < 50) {
2676                                viewType = TYPE_BUTTON_GRID_FIELD;
2677                            } else if (Option.forField(el).size() > 9) {
2678                                viewType = TYPE_SEARCH_LIST_FIELD;
2679                            } else if (el.findChild("value", "jabber:x:data") == null || (validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null)) {
2680                                viewType = TYPE_RADIO_EDIT_FIELD;
2681                            } else {
2682                                viewType = TYPE_SPINNER_FIELD;
2683                            }
2684                        } else if (fieldType.equals("list-multi")) {
2685                            viewType = TYPE_SEARCH_LIST_FIELD;
2686                        } else {
2687                            viewType = TYPE_TEXT_FIELD;
2688                        }
2689                    }
2690
2691                    return new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), viewType);
2692                }
2693
2694                return null;
2695            }
2696
2697            protected Item mkItem(Element el, int pos) {
2698                int viewType = TYPE_ERROR;
2699
2700                if (response != null && response.getType() == IqPacket.TYPE.RESULT) {
2701                    if (el.getName().equals("note")) {
2702                        viewType = TYPE_NOTE;
2703                    } else if (el.getNamespace().equals("jabber:x:oob")) {
2704                        viewType = TYPE_WEB;
2705                    } else if (el.getName().equals("instructions") && el.getNamespace().equals("jabber:x:data")) {
2706                        viewType = TYPE_NOTE;
2707                    } else if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data")) {
2708                        Field field = mkField(el);
2709                        if (field != null) {
2710                            items.put(pos, field);
2711                            return field;
2712                        }
2713                    }
2714                }
2715
2716                Item item = new Item(el, viewType);
2717                items.put(pos, item);
2718                return item;
2719            }
2720
2721            class ActionsAdapter extends ArrayAdapter<Pair<String, String>> {
2722                protected Context ctx;
2723
2724                public ActionsAdapter(Context ctx) {
2725                    super(ctx, R.layout.simple_list_item);
2726                    this.ctx = ctx;
2727                }
2728
2729                @Override
2730                public View getView(int position, View convertView, ViewGroup parent) {
2731                    View v = super.getView(position, convertView, parent);
2732                    TextView tv = (TextView) v.findViewById(android.R.id.text1);
2733                    tv.setGravity(Gravity.CENTER);
2734                    tv.setText(getItem(position).second);
2735                    int resId = ctx.getResources().getIdentifier("action_" + getItem(position).first, "string" , ctx.getPackageName());
2736                    if (resId != 0 && getItem(position).second.equals(getItem(position).first)) tv.setText(ctx.getResources().getString(resId));
2737                    tv.setTextColor(ContextCompat.getColor(ctx, R.color.white));
2738                    tv.setBackgroundColor(UIHelper.getColorForName(getItem(position).first));
2739                    return v;
2740                }
2741
2742                public int getPosition(String s) {
2743                    for(int i = 0; i < getCount(); i++) {
2744                        if (getItem(i).first.equals(s)) return i;
2745                    }
2746                    return -1;
2747                }
2748
2749                public int countProceed() {
2750                    int count = 0;
2751                    for(int i = 0; i < getCount(); i++) {
2752                        if (!"cancel".equals(getItem(i).first) && !"prev".equals(getItem(i).first)) count++;
2753                    }
2754                    return count;
2755                }
2756
2757                public int countExceptCancel() {
2758                    int count = 0;
2759                    for(int i = 0; i < getCount(); i++) {
2760                        if (!getItem(i).first.equals("cancel")) count++;
2761                    }
2762                    return count;
2763                }
2764
2765                public void clearProceed() {
2766                    Pair<String,String> cancelItem = null;
2767                    Pair<String,String> prevItem = null;
2768                    for(int i = 0; i < getCount(); i++) {
2769                        if (getItem(i).first.equals("cancel")) cancelItem = getItem(i);
2770                        if (getItem(i).first.equals("prev")) prevItem = getItem(i);
2771                    }
2772                    clear();
2773                    if (cancelItem != null) add(cancelItem);
2774                    if (prevItem != null) add(prevItem);
2775                }
2776            }
2777
2778            final int TYPE_ERROR = 1;
2779            final int TYPE_NOTE = 2;
2780            final int TYPE_WEB = 3;
2781            final int TYPE_RESULT_FIELD = 4;
2782            final int TYPE_TEXT_FIELD = 5;
2783            final int TYPE_CHECKBOX_FIELD = 6;
2784            final int TYPE_SPINNER_FIELD = 7;
2785            final int TYPE_RADIO_EDIT_FIELD = 8;
2786            final int TYPE_RESULT_CELL = 9;
2787            final int TYPE_PROGRESSBAR = 10;
2788            final int TYPE_SEARCH_LIST_FIELD = 11;
2789            final int TYPE_ITEM_CARD = 12;
2790            final int TYPE_BUTTON_GRID_FIELD = 13;
2791            final int TYPE_SLIDER_FIELD = 14;
2792
2793            protected boolean executing = false;
2794            protected boolean loading = false;
2795            protected boolean loadingHasBeenLong = false;
2796            protected Timer loadingTimer = new Timer();
2797            protected String mTitle;
2798            protected String mNode;
2799            protected CommandPageBinding mBinding = null;
2800            protected IqPacket response = null;
2801            protected Element responseElement = null;
2802            protected boolean expectingRemoval = false;
2803            protected List<Field> reported = null;
2804            protected SparseArray<Item> items = new SparseArray<>();
2805            protected XmppConnectionService xmppConnectionService;
2806            protected ActionsAdapter actionsAdapter;
2807            protected GridLayoutManager layoutManager;
2808            protected WebView actionToWebview = null;
2809            protected int fillableFieldCount = 0;
2810            protected IqPacket pendingResponsePacket = null;
2811            protected boolean waitingForRefresh = false;
2812
2813            CommandSession(String title, String node, XmppConnectionService xmppConnectionService) {
2814                loading();
2815                mTitle = title;
2816                mNode = node;
2817                this.xmppConnectionService = xmppConnectionService;
2818                if (mPager != null) setupLayoutManager();
2819                actionsAdapter = new ActionsAdapter(xmppConnectionService);
2820                actionsAdapter.registerDataSetObserver(new DataSetObserver() {
2821                    @Override
2822                    public void onChanged() {
2823                        if (mBinding == null) return;
2824
2825                        mBinding.actions.setNumColumns(actionsAdapter.getCount() > 1 ? 2 : 1);
2826                    }
2827
2828                    @Override
2829                    public void onInvalidated() {}
2830                });
2831            }
2832
2833            public String getTitle() {
2834                return mTitle;
2835            }
2836
2837            public String getNode() {
2838                return mNode;
2839            }
2840
2841            public void updateWithResponse(final IqPacket iq) {
2842                if (getView() != null && getView().isAttachedToWindow()) {
2843                    getView().post(() -> updateWithResponseUiThread(iq));
2844                } else {
2845                    pendingResponsePacket = iq;
2846                }
2847            }
2848
2849            protected void updateWithResponseUiThread(final IqPacket iq) {
2850                Timer oldTimer = this.loadingTimer;
2851                this.loadingTimer = new Timer();
2852                oldTimer.cancel();
2853                this.executing = false;
2854                this.loading = false;
2855                this.loadingHasBeenLong = false;
2856                this.responseElement = null;
2857                this.fillableFieldCount = 0;
2858                this.reported = null;
2859                this.response = iq;
2860                this.items.clear();
2861                this.actionsAdapter.clear();
2862                layoutManager.setSpanCount(1);
2863
2864                boolean actionsCleared = false;
2865                Element command = iq.findChild("command", "http://jabber.org/protocol/commands");
2866                if (iq.getType() == IqPacket.TYPE.RESULT && command != null) {
2867                    if (mNode.equals("jabber:iq:register") && command.getAttribute("status") != null && command.getAttribute("status").equals("completed")) {
2868                        xmppConnectionService.createContact(getAccount().getRoster().getContact(iq.getFrom()), true);
2869                    }
2870
2871                    if (xmppConnectionService.isOnboarding() && mNode.equals("jabber:iq:register") && !"canceled".equals(command.getAttribute("status")) && xmppConnectionService.getPreferences().contains("onboarding_action")) {
2872                        xmppConnectionService.getPreferences().edit().putBoolean("onboarding_continued", true).commit();
2873                    }
2874
2875                    Element actions = command.findChild("actions", "http://jabber.org/protocol/commands");
2876                    if (actions != null) {
2877                        for (Element action : actions.getChildren()) {
2878                            if (!"http://jabber.org/protocol/commands".equals(action.getNamespace())) continue;
2879                            if ("execute".equals(action.getName())) continue;
2880
2881                            actionsAdapter.add(Pair.create(action.getName(), action.getName()));
2882                        }
2883                    }
2884
2885                    for (Element el : command.getChildren()) {
2886                        if ("x".equals(el.getName()) && "jabber:x:data".equals(el.getNamespace())) {
2887                            Data form = Data.parse(el);
2888                            String title = form.getTitle();
2889                            if (title != null) {
2890                                mTitle = title;
2891                                ConversationPagerAdapter.this.notifyDataSetChanged();
2892                            }
2893
2894                            if ("result".equals(el.getAttribute("type")) || "form".equals(el.getAttribute("type"))) {
2895                                this.responseElement = el;
2896                                setupReported(el.findChild("reported", "jabber:x:data"));
2897                                if (mBinding != null) mBinding.form.setLayoutManager(setupLayoutManager());
2898                            }
2899
2900                            eu.siacs.conversations.xmpp.forms.Field actionList = form.getFieldByName("http://jabber.org/protocol/commands#actions");
2901                            if (actionList != null) {
2902                                actionsAdapter.clear();
2903
2904                                for (Option action : actionList.getOptions()) {
2905                                    actionsAdapter.add(Pair.create(action.getValue(), action.toString()));
2906                                }
2907                            }
2908
2909                            eu.siacs.conversations.xmpp.forms.Field fillableField = null;
2910                            for (eu.siacs.conversations.xmpp.forms.Field field : form.getFields()) {
2911                                if ((field.getType() == null || (!field.getType().equals("hidden") && !field.getType().equals("fixed"))) && field.getFieldName() != null && !field.getFieldName().equals("http://jabber.org/protocol/commands#actions")) {
2912                                    fillableField = field;
2913                                    fillableFieldCount++;
2914                                }
2915                            }
2916
2917                            if (fillableFieldCount == 1 && actionsAdapter.countProceed() < 2 && (("list-single".equals(fillableField.getType()) && Option.forField(fillableField).size() < 50) || ("boolean".equals(fillableField.getType()) && fillableField.getValue() == null))) {
2918                                actionsCleared = true;
2919                                actionsAdapter.clearProceed();
2920                            }
2921                            break;
2922                        }
2923                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:oob")) {
2924                            String url = el.findChildContent("url", "jabber:x:oob");
2925                            if (url != null) {
2926                                String scheme = Uri.parse(url).getScheme();
2927                                if (scheme.equals("http") || scheme.equals("https")) {
2928                                    this.responseElement = el;
2929                                    break;
2930                                }
2931                                if (scheme.equals("xmpp")) {
2932                                    expectingRemoval = true;
2933                                    final Intent intent = new Intent(getView().getContext(), UriHandlerActivity.class);
2934                                    intent.setAction(Intent.ACTION_VIEW);
2935                                    intent.setData(Uri.parse(url));
2936                                    getView().getContext().startActivity(intent);
2937                                    break;
2938                                }
2939                            }
2940                        }
2941                        if (el.getName().equals("note") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2942                            this.responseElement = el;
2943                            break;
2944                        }
2945                    }
2946
2947                    if (responseElement == null && command.getAttribute("status") != null && (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled"))) {
2948                        if ("jabber:iq:register".equals(mNode) && "canceled".equals(command.getAttribute("status"))) {
2949                            if (xmppConnectionService.isOnboarding()) {
2950                                if (xmppConnectionService.getPreferences().contains("onboarding_action")) {
2951                                    xmppConnectionService.deleteAccount(getAccount());
2952                                } else {
2953                                    if (xmppConnectionService.getPreferences().getBoolean("onboarding_continued", false)) {
2954                                        removeSession(this);
2955                                        return;
2956                                    } else {
2957                                        xmppConnectionService.getPreferences().edit().putString("onboarding_action", "cancel").commit();
2958                                        xmppConnectionService.deleteAccount(getAccount());
2959                                    }
2960                                }
2961                            }
2962                            xmppConnectionService.archiveConversation(Conversation.this);
2963                        }
2964
2965                        expectingRemoval = true;
2966                        removeSession(this);
2967                        return;
2968                    }
2969
2970                    if ("executing".equals(command.getAttribute("status")) && actionsAdapter.countExceptCancel() < 1 && !actionsCleared) {
2971                        // No actions have been given, but we are not done?
2972                        // This is probably a spec violation, but we should do *something*
2973                        actionsAdapter.add(Pair.create("execute", "execute"));
2974                    }
2975
2976                    if (!actionsAdapter.isEmpty() || fillableFieldCount > 0) {
2977                        if ("completed".equals(command.getAttribute("status")) || "canceled".equals(command.getAttribute("status"))) {
2978                            actionsAdapter.add(Pair.create("close", "close"));
2979                        } else if (actionsAdapter.getPosition("cancel") < 0 && !xmppConnectionService.isOnboarding()) {
2980                            actionsAdapter.insert(Pair.create("cancel", "cancel"), 0);
2981                        }
2982                    }
2983                }
2984
2985                if (actionsAdapter.isEmpty()) {
2986                    actionsAdapter.add(Pair.create("close", "close"));
2987                }
2988
2989                actionsAdapter.sort((x, y) -> {
2990                    if (x.first.equals("cancel")) return -1;
2991                    if (y.first.equals("cancel")) return 1;
2992                    if (x.first.equals("prev") && xmppConnectionService.isOnboarding()) return -1;
2993                    if (y.first.equals("prev") && xmppConnectionService.isOnboarding()) return 1;
2994                    return 0;
2995                });
2996
2997                Data dataForm = null;
2998                if (responseElement != null && responseElement.getName().equals("x") && responseElement.getNamespace().equals("jabber:x:data")) dataForm = Data.parse(responseElement);
2999                if (mNode.equals("jabber:iq:register") &&
3000                    xmppConnectionService.getPreferences().contains("onboarding_action") &&
3001                    dataForm != null && dataForm.getFieldByName("gateway-jid") != null) {
3002
3003
3004                    dataForm.put("gateway-jid", xmppConnectionService.getPreferences().getString("onboarding_action", ""));
3005                    execute();
3006                }
3007                xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
3008                notifyDataSetChanged();
3009            }
3010
3011            protected void setupReported(Element el) {
3012                if (el == null) {
3013                    reported = null;
3014                    return;
3015                }
3016
3017                reported = new ArrayList<>();
3018                for (Element fieldEl : el.getChildren()) {
3019                    if (!fieldEl.getName().equals("field") || !fieldEl.getNamespace().equals("jabber:x:data")) continue;
3020                    reported.add(mkField(fieldEl));
3021                }
3022            }
3023
3024            @Override
3025            public int getItemCount() {
3026                if (loading) return 1;
3027                if (response == null) return 0;
3028                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null && responseElement.getNamespace().equals("jabber:x:data")) {
3029                    int i = 0;
3030                    for (Element el : responseElement.getChildren()) {
3031                        if (!el.getNamespace().equals("jabber:x:data")) continue;
3032                        if (el.getName().equals("title")) continue;
3033                        if (el.getName().equals("field")) {
3034                            String type = el.getAttribute("type");
3035                            if (type != null && type.equals("hidden")) continue;
3036                            if (el.getAttribute("var") != null && el.getAttribute("var").equals("http://jabber.org/protocol/commands#actions")) continue;
3037                        }
3038
3039                        if (el.getName().equals("reported") || el.getName().equals("item")) {
3040                            if ((layoutManager == null ? 1 : layoutManager.getSpanCount()) < reported.size()) {
3041                                if (el.getName().equals("reported")) continue;
3042                                i += 1;
3043                            } else {
3044                                if (reported != null) i += reported.size();
3045                            }
3046                            continue;
3047                        }
3048
3049                        i++;
3050                    }
3051                    return i;
3052                }
3053                return 1;
3054            }
3055
3056            public Item getItem(int position) {
3057                if (loading) return new Item(null, TYPE_PROGRESSBAR);
3058                if (items.get(position) != null) return items.get(position);
3059                if (response == null) return null;
3060
3061                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null) {
3062                    if (responseElement.getNamespace().equals("jabber:x:data")) {
3063                        int i = 0;
3064                        for (Element el : responseElement.getChildren()) {
3065                            if (!el.getNamespace().equals("jabber:x:data")) continue;
3066                            if (el.getName().equals("title")) continue;
3067                            if (el.getName().equals("field")) {
3068                                String type = el.getAttribute("type");
3069                                if (type != null && type.equals("hidden")) continue;
3070                                if (el.getAttribute("var") != null && el.getAttribute("var").equals("http://jabber.org/protocol/commands#actions")) continue;
3071                            }
3072
3073                            if (el.getName().equals("reported") || el.getName().equals("item")) {
3074                                Cell cell = null;
3075
3076                                if (reported != null) {
3077                                    if ((layoutManager == null ? 1 : layoutManager.getSpanCount()) < reported.size()) {
3078                                        if (el.getName().equals("reported")) continue;
3079                                        if (i == position) {
3080                                            items.put(position, new Item(el, TYPE_ITEM_CARD));
3081                                            return items.get(position);
3082                                        }
3083                                    } else {
3084                                        if (reported.size() > position - i) {
3085                                            Field reportedField = reported.get(position - i);
3086                                            Element itemField = null;
3087                                            if (el.getName().equals("item")) {
3088                                                for (Element subel : el.getChildren()) {
3089                                                    if (subel.getAttribute("var").equals(reportedField.getVar())) {
3090                                                       itemField = subel;
3091                                                       break;
3092                                                    }
3093                                                }
3094                                            }
3095                                            cell = new Cell(reportedField, itemField);
3096                                        } else {
3097                                            i += reported.size();
3098                                            continue;
3099                                        }
3100                                    }
3101                                }
3102
3103                                if (cell != null) {
3104                                    items.put(position, cell);
3105                                    return cell;
3106                                }
3107                            }
3108
3109                            if (i < position) {
3110                                i++;
3111                                continue;
3112                            }
3113
3114                            return mkItem(el, position);
3115                        }
3116                    }
3117                }
3118
3119                return mkItem(responseElement == null ? response : responseElement, position);
3120            }
3121
3122            @Override
3123            public int getItemViewType(int position) {
3124                return getItem(position).viewType;
3125            }
3126
3127            @Override
3128            public ViewHolder onCreateViewHolder(ViewGroup container, int viewType) {
3129                switch(viewType) {
3130                    case TYPE_ERROR: {
3131                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3132                        return new ErrorViewHolder(binding);
3133                    }
3134                    case TYPE_NOTE: {
3135                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3136                        return new NoteViewHolder(binding);
3137                    }
3138                    case TYPE_WEB: {
3139                        CommandWebviewBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_webview, container, false);
3140                        return new WebViewHolder(binding);
3141                    }
3142                    case TYPE_RESULT_FIELD: {
3143                        CommandResultFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_field, container, false);
3144                        return new ResultFieldViewHolder(binding);
3145                    }
3146                    case TYPE_RESULT_CELL: {
3147                        CommandResultCellBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_cell, container, false);
3148                        return new ResultCellViewHolder(binding);
3149                    }
3150                    case TYPE_ITEM_CARD: {
3151                        CommandItemCardBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_item_card, container, false);
3152                        return new ItemCardViewHolder(binding);
3153                    }
3154                    case TYPE_CHECKBOX_FIELD: {
3155                        CommandCheckboxFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_checkbox_field, container, false);
3156                        return new CheckboxFieldViewHolder(binding);
3157                    }
3158                    case TYPE_SEARCH_LIST_FIELD: {
3159                        CommandSearchListFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_search_list_field, container, false);
3160                        return new SearchListFieldViewHolder(binding);
3161                    }
3162                    case TYPE_RADIO_EDIT_FIELD: {
3163                        CommandRadioEditFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_radio_edit_field, container, false);
3164                        return new RadioEditFieldViewHolder(binding);
3165                    }
3166                    case TYPE_SPINNER_FIELD: {
3167                        CommandSpinnerFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_spinner_field, container, false);
3168                        return new SpinnerFieldViewHolder(binding);
3169                    }
3170                    case TYPE_BUTTON_GRID_FIELD: {
3171                        CommandButtonGridFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_button_grid_field, container, false);
3172                        return new ButtonGridFieldViewHolder(binding);
3173                    }
3174                    case TYPE_TEXT_FIELD: {
3175                        CommandTextFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_text_field, container, false);
3176                        return new TextFieldViewHolder(binding);
3177                    }
3178                    case TYPE_SLIDER_FIELD: {
3179                        CommandSliderFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_slider_field, container, false);
3180                        return new SliderFieldViewHolder(binding);
3181                    }
3182                    case TYPE_PROGRESSBAR: {
3183                        CommandProgressBarBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_progress_bar, container, false);
3184                        return new ProgressBarViewHolder(binding);
3185                    }
3186                    default:
3187                        if (expectingRemoval) {
3188                            CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3189                            return new NoteViewHolder(binding);
3190                        }
3191
3192                        throw new IllegalArgumentException("Unknown viewType: " + viewType + " based on: " + response + ", " + responseElement + ", " + expectingRemoval);
3193                }
3194            }
3195
3196            @Override
3197            public void onBindViewHolder(ViewHolder viewHolder, int position) {
3198                viewHolder.bind(getItem(position));
3199            }
3200
3201            public View getView() {
3202                if (mBinding == null) return null;
3203                return mBinding.getRoot();
3204            }
3205
3206            public boolean validate() {
3207                int count = getItemCount();
3208                boolean isValid = true;
3209                for (int i = 0; i < count; i++) {
3210                    boolean oneIsValid = getItem(i).validate();
3211                    isValid = isValid && oneIsValid;
3212                }
3213                notifyDataSetChanged();
3214                return isValid;
3215            }
3216
3217            public boolean execute() {
3218                return execute("execute");
3219            }
3220
3221            public boolean execute(int actionPosition) {
3222                return execute(actionsAdapter.getItem(actionPosition).first);
3223            }
3224
3225            public synchronized boolean execute(String action) {
3226                if (!"cancel".equals(action) && executing) {
3227                    loadingHasBeenLong = true;
3228                    notifyDataSetChanged();
3229                    return false;
3230                }
3231                if (!action.equals("cancel") && !action.equals("prev") && !validate()) return false;
3232
3233                if (response == null) return true;
3234                Element command = response.findChild("command", "http://jabber.org/protocol/commands");
3235                if (command == null) return true;
3236                String status = command.getAttribute("status");
3237                if (status == null || (!status.equals("executing") && !action.equals("prev"))) return true;
3238
3239                if (actionToWebview != null && !action.equals("cancel") && Build.VERSION.SDK_INT >= 23) {
3240                    actionToWebview.postWebMessage(new WebMessage("xmpp_xep0050/" + action), Uri.parse("*"));
3241                    return false;
3242                }
3243
3244                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
3245                packet.setTo(response.getFrom());
3246                final Element c = packet.addChild("command", Namespace.COMMANDS);
3247                c.setAttribute("node", mNode);
3248                c.setAttribute("sessionid", command.getAttribute("sessionid"));
3249
3250                String formType = responseElement == null ? null : responseElement.getAttribute("type");
3251                if (!action.equals("cancel") &&
3252                    !action.equals("prev") &&
3253                    responseElement != null &&
3254                    responseElement.getName().equals("x") &&
3255                    responseElement.getNamespace().equals("jabber:x:data") &&
3256                    formType != null && formType.equals("form")) {
3257
3258                    Data form = Data.parse(responseElement);
3259                    eu.siacs.conversations.xmpp.forms.Field actionList = form.getFieldByName("http://jabber.org/protocol/commands#actions");
3260                    if (actionList != null) {
3261                        actionList.setValue(action);
3262                        c.setAttribute("action", "execute");
3263                    }
3264
3265                    if (mNode.equals("jabber:iq:register") && xmppConnectionService.isOnboarding() && form.getFieldByName("gateway-jid") != null) {
3266                        if (form.getValue("gateway-jid") == null) {
3267                            xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
3268                        } else {
3269                            xmppConnectionService.getPreferences().edit().putString("onboarding_action", form.getValue("gateway-jid")).commit();
3270                        }
3271                    }
3272
3273                    responseElement.setAttribute("type", "submit");
3274                    Element rsm = responseElement.findChild("set", "http://jabber.org/protocol/rsm");
3275                    if (rsm != null) {
3276                        Element max = new Element("max", "http://jabber.org/protocol/rsm");
3277                        max.setContent("1000");
3278                        rsm.addChild(max);
3279                    }
3280
3281                    c.addChild(responseElement);
3282                }
3283
3284                if (c.getAttribute("action") == null) c.setAttribute("action", action);
3285
3286                executing = true;
3287                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
3288                    updateWithResponse(iq);
3289                }, 120L);
3290
3291                loading();
3292                return false;
3293            }
3294
3295            public void refresh() {
3296                synchronized(this) {
3297                    if (waitingForRefresh) notifyDataSetChanged();
3298                }
3299            }
3300
3301            protected void loading() {
3302                View v = getView();
3303                try {
3304                    loadingTimer.schedule(new TimerTask() {
3305                        @Override
3306                        public void run() {
3307                            View v2 = getView();
3308                            loading = true;
3309
3310                            try {
3311                                loadingTimer.schedule(new TimerTask() {
3312                                    @Override
3313                                    public void run() {
3314                                        loadingHasBeenLong = true;
3315                                        if (v == null && v2 == null) return;
3316                                        (v == null ? v2 : v).post(() -> notifyDataSetChanged());
3317                                    }
3318                                }, 3000);
3319                            } catch (final IllegalStateException e) { }
3320
3321                            if (v == null && v2 == null) return;
3322                            (v == null ? v2 : v).post(() -> notifyDataSetChanged());
3323                        }
3324                    }, 500);
3325                } catch (final IllegalStateException e) { }
3326            }
3327
3328            protected GridLayoutManager setupLayoutManager() {
3329                int spanCount = 1;
3330
3331                Context ctx = mPager == null ? getView().getContext() : mPager.getContext();
3332                if (reported != null) {
3333                    float screenWidth = ctx.getResources().getDisplayMetrics().widthPixels;
3334                    TextPaint paint = ((TextView) LayoutInflater.from(mPager.getContext()).inflate(R.layout.command_result_cell, null)).getPaint();
3335                    float tableHeaderWidth = reported.stream().reduce(
3336                        0f,
3337                        (total, field) -> total + StaticLayout.getDesiredWidth(field.getLabel().or("--------") + "\t", paint),
3338                        (a, b) -> a + b
3339                    );
3340
3341                    spanCount = tableHeaderWidth > 0.59 * screenWidth ? 1 : this.reported.size();
3342                }
3343
3344                if (layoutManager != null && layoutManager.getSpanCount() != spanCount) {
3345                    items.clear();
3346                    notifyDataSetChanged();
3347                }
3348
3349                layoutManager = new GridLayoutManager(ctx, spanCount);
3350                layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
3351                    @Override
3352                    public int getSpanSize(int position) {
3353                        if (getItemViewType(position) != TYPE_RESULT_CELL) return layoutManager.getSpanCount();
3354                        return 1;
3355                    }
3356                });
3357                return layoutManager;
3358            }
3359
3360            protected void setBinding(CommandPageBinding b) {
3361                mBinding = b;
3362                // https://stackoverflow.com/a/32350474/8611
3363                mBinding.form.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
3364                    @Override
3365                    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
3366                        if(rv.getChildCount() > 0) {
3367                            int[] location = new int[2];
3368                            rv.getLocationOnScreen(location);
3369                            View childView = rv.findChildViewUnder(e.getX(), e.getY());
3370                            if (childView instanceof ViewGroup) {
3371                                childView = findViewAt((ViewGroup) childView, location[0] + e.getX(), location[1] + e.getY());
3372                            }
3373                            int action = e.getAction();
3374                            switch (action) {
3375                                case MotionEvent.ACTION_DOWN:
3376                                    if ((childView instanceof AbsListView && ((AbsListView) childView).canScrollList(1)) || childView instanceof WebView) {
3377                                        rv.requestDisallowInterceptTouchEvent(true);
3378                                    }
3379                                case MotionEvent.ACTION_UP:
3380                                    if ((childView instanceof AbsListView && ((AbsListView) childView).canScrollList(-11)) || childView instanceof WebView) {
3381                                        rv.requestDisallowInterceptTouchEvent(true);
3382                                    }
3383                            }
3384                        }
3385
3386                        return false;
3387                    }
3388
3389                    @Override
3390                    public void onRequestDisallowInterceptTouchEvent(boolean disallow) { }
3391
3392                    @Override
3393                    public void onTouchEvent(RecyclerView rv, MotionEvent e) { }
3394                });
3395                mBinding.form.setLayoutManager(setupLayoutManager());
3396                mBinding.form.setAdapter(this);
3397                mBinding.actions.setAdapter(actionsAdapter);
3398                mBinding.actions.setOnItemClickListener((parent, v, pos, id) -> {
3399                    if (execute(pos)) {
3400                        removeSession(CommandSession.this);
3401                    }
3402                });
3403
3404                actionsAdapter.notifyDataSetChanged();
3405
3406                if (pendingResponsePacket != null) {
3407                    final IqPacket pending = pendingResponsePacket;
3408                    pendingResponsePacket = null;
3409                    updateWithResponseUiThread(pending);
3410                }
3411            }
3412
3413            private Drawable getDrawableForSVG(SVG svg, Element svgElement, int size) {
3414               if (svgElement != null && svgElement.getChildren().size() == 1 && svgElement.getChildren().get(0).getName().equals("image"))  {
3415                   return getDrawableForUrl(svgElement.getChildren().get(0).getAttribute("href"));
3416               } else {
3417                   return xmppConnectionService.getFileBackend().drawSVG(svg, size);
3418               }
3419            }
3420
3421            private Drawable getDrawableForUrl(final String url) {
3422                final LruCache<String, Drawable> cache = xmppConnectionService.getDrawableCache();
3423                final HttpConnectionManager httpManager = xmppConnectionService.getHttpConnectionManager();
3424                final Drawable d = cache.get(url);
3425                if (Build.VERSION.SDK_INT >= 28 && d instanceof AnimatedImageDrawable) ((AnimatedImageDrawable) d).start();
3426                if (d == null) {
3427                    synchronized (CommandSession.this) {
3428                        waitingForRefresh = true;
3429                    }
3430                    int size = (int)(xmppConnectionService.getResources().getDisplayMetrics().density * 288);
3431                    Message dummy = new Message(Conversation.this, url, Message.ENCRYPTION_NONE);
3432                    dummy.setFileParams(new Message.FileParams(url));
3433                    httpManager.createNewDownloadConnection(dummy, true, (file) -> {
3434                        if (file == null) {
3435                            dummy.getTransferable().start();
3436                        } else {
3437                            try {
3438                                xmppConnectionService.getFileBackend().getThumbnail(file, xmppConnectionService.getResources(), size, false, url);
3439                            } catch (final Exception e) { }
3440                        }
3441                    });
3442                }
3443                return d;
3444            }
3445
3446            public View inflateUi(Context context, Consumer<ConversationPage> remover) {
3447                CommandPageBinding binding = DataBindingUtil.inflate(LayoutInflater.from(context), R.layout.command_page, null, false);
3448                setBinding(binding);
3449                return binding.getRoot();
3450            }
3451
3452            // https://stackoverflow.com/a/36037991/8611
3453            private View findViewAt(ViewGroup viewGroup, float x, float y) {
3454                for(int i = 0; i < viewGroup.getChildCount(); i++) {
3455                    View child = viewGroup.getChildAt(i);
3456                    if (child instanceof ViewGroup && !(child instanceof AbsListView) && !(child instanceof WebView)) {
3457                        View foundView = findViewAt((ViewGroup) child, x, y);
3458                        if (foundView != null && foundView.isShown()) {
3459                            return foundView;
3460                        }
3461                    } else {
3462                        int[] location = new int[2];
3463                        child.getLocationOnScreen(location);
3464                        Rect rect = new Rect(location[0], location[1], location[0] + child.getWidth(), location[1] + child.getHeight());
3465                        if (rect.contains((int)x, (int)y)) {
3466                            return child;
3467                        }
3468                    }
3469                }
3470
3471                return null;
3472            }
3473        }
3474
3475        class MucConfigSession extends CommandSession {
3476            MucConfigSession(XmppConnectionService xmppConnectionService) {
3477                super("Configure Channel", null, xmppConnectionService);
3478            }
3479
3480            @Override
3481            protected void updateWithResponseUiThread(final IqPacket iq) {
3482                Timer oldTimer = this.loadingTimer;
3483                this.loadingTimer = new Timer();
3484                oldTimer.cancel();
3485                this.executing = false;
3486                this.loading = false;
3487                this.loadingHasBeenLong = false;
3488                this.responseElement = null;
3489                this.fillableFieldCount = 0;
3490                this.reported = null;
3491                this.response = iq;
3492                this.items.clear();
3493                this.actionsAdapter.clear();
3494                layoutManager.setSpanCount(1);
3495
3496                final Element query = iq.findChild("query", "http://jabber.org/protocol/muc#owner");
3497                if (iq.getType() == IqPacket.TYPE.RESULT && query != null) {
3498                    final Data form = Data.parse(query.findChild("x", "jabber:x:data"));
3499                    final String title = form.getTitle();
3500                    if (title != null) {
3501                        mTitle = title;
3502                        ConversationPagerAdapter.this.notifyDataSetChanged();
3503                    }
3504
3505                    this.responseElement = form;
3506                    setupReported(form.findChild("reported", "jabber:x:data"));
3507                    if (mBinding != null) mBinding.form.setLayoutManager(setupLayoutManager());
3508
3509                    if (actionsAdapter.countExceptCancel() < 1) {
3510                        actionsAdapter.add(Pair.create("save", "Save"));
3511                    }
3512
3513                    if (actionsAdapter.getPosition("cancel") < 0) {
3514                        actionsAdapter.insert(Pair.create("cancel", "cancel"), 0);
3515                    }
3516                } else if (iq.getType() == IqPacket.TYPE.RESULT) {
3517                    expectingRemoval = true;
3518                    removeSession(this);
3519                    return;
3520                } else {
3521                    actionsAdapter.add(Pair.create("close", "close"));
3522                }
3523
3524                notifyDataSetChanged();
3525            }
3526
3527            @Override
3528            public synchronized boolean execute(String action) {
3529                if ("cancel".equals(action)) {
3530                    final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
3531                    packet.setTo(response.getFrom());
3532                    final Element form = packet
3533                        .addChild("query", "http://jabber.org/protocol/muc#owner")
3534                        .addChild("x", "jabber:x:data");
3535                    form.setAttribute("type", "cancel");
3536                    xmppConnectionService.sendIqPacket(getAccount(), packet, null);
3537                    return true;
3538                }
3539
3540                if (!"save".equals(action)) return true;
3541
3542                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
3543                packet.setTo(response.getFrom());
3544
3545                String formType = responseElement == null ? null : responseElement.getAttribute("type");
3546                if (responseElement != null &&
3547                    responseElement.getName().equals("x") &&
3548                    responseElement.getNamespace().equals("jabber:x:data") &&
3549                    formType != null && formType.equals("form")) {
3550
3551                    responseElement.setAttribute("type", "submit");
3552                    packet
3553                        .addChild("query", "http://jabber.org/protocol/muc#owner")
3554                        .addChild(responseElement);
3555                }
3556
3557                executing = true;
3558                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
3559                    updateWithResponse(iq);
3560                }, 120L);
3561
3562                loading();
3563
3564                return false;
3565            }
3566        }
3567    }
3568
3569    public static class Thread {
3570        protected Message subject = null;
3571        protected Message first = null;
3572        protected Message last = null;
3573        protected final String threadId;
3574
3575        protected Thread(final String threadId) {
3576            this.threadId = threadId;
3577        }
3578
3579        public String getThreadId() {
3580            return threadId;
3581        }
3582
3583        public String getSubject() {
3584            if (subject == null) return null;
3585
3586            return subject.getSubject();
3587        }
3588
3589        public String getDisplay() {
3590            final String s = getSubject();
3591            if (s != null) return s;
3592
3593            if (first != null) {
3594                return first.getBody();
3595            }
3596
3597            return "";
3598        }
3599
3600        public long getLastTime() {
3601            if (last == null) return 0;
3602
3603            return last.getTimeSent();
3604        }
3605    }
3606}