Conversation.java

   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                    Element error = iq.el.findChild("error");
1837                    if (error == null) return;
1838                    String text = error.findChildContent("text", "urn:ietf:params:xml:ns:xmpp-stanzas");
1839                    if (text == null || text.equals("")) {
1840                        text = error.getChildren().get(0).getName();
1841                    }
1842                    binding.message.setText(text);
1843                }
1844            }
1845
1846            class NoteViewHolder extends ViewHolder<CommandNoteBinding> {
1847                public NoteViewHolder(CommandNoteBinding binding) { super(binding); }
1848
1849                @Override
1850                public void bind(Item note) {
1851                    binding.message.setText(note != null && note.el != null ? note.el.getContent() : "");
1852
1853                    String type = note.el.getAttribute("type");
1854                    if (type != null && type.equals("error")) {
1855                        binding.errorIcon.setVisibility(View.VISIBLE);
1856                    }
1857                }
1858            }
1859
1860            class ResultFieldViewHolder extends ViewHolder<CommandResultFieldBinding> {
1861                public ResultFieldViewHolder(CommandResultFieldBinding binding) { super(binding); }
1862
1863                @Override
1864                public void bind(Item item) {
1865                    Field field = (Field) item;
1866                    setTextOrHide(binding.label, field.getLabel());
1867                    setTextOrHide(binding.desc, field.getDesc());
1868
1869                    Element media = field.el.findChild("media", "urn:xmpp:media-element");
1870                    if (media == null) {
1871                        binding.mediaImage.setVisibility(View.GONE);
1872                    } else {
1873                        final LruCache<String, Drawable> cache = xmppConnectionService.getDrawableCache();
1874                        final HttpConnectionManager httpManager = xmppConnectionService.getHttpConnectionManager();
1875                        for (Element uriEl : media.getChildren()) {
1876                            if (!"uri".equals(uriEl.getName())) continue;
1877                            if (!"urn:xmpp:media-element".equals(uriEl.getNamespace())) continue;
1878                            String mimeType = uriEl.getAttribute("type");
1879                            String uriS = uriEl.getContent();
1880                            if (mimeType == null || uriS == null) continue;
1881                            Uri uri = Uri.parse(uriS);
1882                            if (mimeType.startsWith("image/") && "https".equals(uri.getScheme())) {
1883                                final Drawable d = getDrawableForUrl(uri.toString());
1884                                if (d != null) {
1885                                    binding.mediaImage.setImageDrawable(d);
1886                                    binding.mediaImage.setVisibility(View.VISIBLE);
1887                                }
1888                            }
1889                        }
1890                    }
1891
1892                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1893                    String datatype = validate == null ? null : validate.getAttribute("datatype");
1894
1895                    ArrayAdapter<Option> values = new ArrayAdapter<>(binding.getRoot().getContext(), R.layout.simple_list_item);
1896                    for (Element el : field.el.getChildren()) {
1897                        if (el.getName().equals("value") && el.getNamespace().equals("jabber:x:data")) {
1898                            values.add(new Option(el.getContent(), formatValue(datatype, el.getContent(), false)));
1899                        }
1900                    }
1901                    binding.values.setAdapter(values);
1902                    Util.justifyListViewHeightBasedOnChildren(binding.values);
1903
1904                    if (field.getType().equals(Optional.of("jid-single")) || field.getType().equals(Optional.of("jid-multi"))) {
1905                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1906                            new FixedURLSpan("xmpp:" + Uri.encode(Jid.ofEscaped(values.getItem(pos).getValue()).toEscapedString(), "@/+"), account).onClick(binding.values);
1907                        });
1908                    } else if ("xs:anyURI".equals(datatype)) {
1909                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1910                            new FixedURLSpan(values.getItem(pos).getValue(), account).onClick(binding.values);
1911                        });
1912                    } else if ("html:tel".equals(datatype)) {
1913                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1914                            try {
1915                                new FixedURLSpan("tel:" + PhoneNumberUtilWrapper.normalize(binding.getRoot().getContext(), values.getItem(pos).getValue()), account).onClick(binding.values);
1916                            } catch (final IllegalArgumentException | NumberParseException | NullPointerException e) { }
1917                        });
1918                    }
1919
1920                    binding.values.setOnItemLongClickListener((arg0, arg1, pos, id) -> {
1921                        if (ShareUtil.copyTextToClipboard(binding.getRoot().getContext(), values.getItem(pos).getValue(), R.string.message)) {
1922                            Toast.makeText(binding.getRoot().getContext(), R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1923                        }
1924                        return true;
1925                    });
1926                }
1927            }
1928
1929            class ResultCellViewHolder extends ViewHolder<CommandResultCellBinding> {
1930                public ResultCellViewHolder(CommandResultCellBinding binding) { super(binding); }
1931
1932                @Override
1933                public void bind(Item item) {
1934                    Cell cell = (Cell) item;
1935
1936                    if (cell.el == null) {
1937                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Subhead);
1938                        setTextOrHide(binding.text, cell.reported.getLabel());
1939                    } else {
1940                        Element validate = cell.reported.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1941                        String datatype = validate == null ? null : validate.getAttribute("datatype");
1942                        String value = formatValue(datatype, cell.el.findChildContent("value", "jabber:x:data"), true);
1943                        SpannableStringBuilder text = new SpannableStringBuilder(value == null ? "" : value);
1944                        if (cell.reported.getType().equals(Optional.of("jid-single"))) {
1945                            text.setSpan(new FixedURLSpan("xmpp:" + Jid.ofEscaped(text.toString()).toEscapedString(), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1946                        } else if ("xs:anyURI".equals(datatype)) {
1947                            text.setSpan(new FixedURLSpan(text.toString(), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1948                        } else if ("html:tel".equals(datatype)) {
1949                            try {
1950                                text.setSpan(new FixedURLSpan("tel:" + PhoneNumberUtilWrapper.normalize(binding.getRoot().getContext(), text.toString()), account), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1951                            } catch (final IllegalArgumentException | NumberParseException | NullPointerException e) { }
1952                        }
1953
1954                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Body1);
1955                        binding.text.setText(text);
1956
1957                        BetterLinkMovementMethod method = BetterLinkMovementMethod.newInstance();
1958                        method.setOnLinkLongClickListener((tv, url) -> {
1959                            tv.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1960                            ShareUtil.copyLinkToClipboard(binding.getRoot().getContext(), url);
1961                            return true;
1962                        });
1963                        binding.text.setMovementMethod(method);
1964                    }
1965                }
1966            }
1967
1968            class ItemCardViewHolder extends ViewHolder<CommandItemCardBinding> {
1969                public ItemCardViewHolder(CommandItemCardBinding binding) { super(binding); }
1970
1971                @Override
1972                public void bind(Item item) {
1973                    binding.fields.removeAllViews();
1974
1975                    for (Field field : reported) {
1976                        CommandResultFieldBinding row = DataBindingUtil.inflate(LayoutInflater.from(binding.getRoot().getContext()), R.layout.command_result_field, binding.fields, false);
1977                        GridLayout.LayoutParams param = new GridLayout.LayoutParams();
1978                        param.columnSpec = GridLayout.spec(GridLayout.UNDEFINED, GridLayout.FILL, 1f);
1979                        param.width = 0;
1980                        row.getRoot().setLayoutParams(param);
1981                        binding.fields.addView(row.getRoot());
1982                        for (Element el : item.el.getChildren()) {
1983                            if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data") && el.getAttribute("var") != null && el.getAttribute("var").equals(field.getVar())) {
1984                                for (String label : field.getLabel().asSet()) {
1985                                    el.setAttribute("label", label);
1986                                }
1987                                for (String desc : field.getDesc().asSet()) {
1988                                    el.setAttribute("desc", desc);
1989                                }
1990                                for (String type : field.getType().asSet()) {
1991                                    el.setAttribute("type", type);
1992                                }
1993                                Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1994                                if (validate != null) el.addChild(validate);
1995                                new ResultFieldViewHolder(row).bind(new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), -1));
1996                            }
1997                        }
1998                    }
1999                }
2000            }
2001
2002            class CheckboxFieldViewHolder extends ViewHolder<CommandCheckboxFieldBinding> implements CompoundButton.OnCheckedChangeListener {
2003                public CheckboxFieldViewHolder(CommandCheckboxFieldBinding binding) {
2004                    super(binding);
2005                    binding.row.setOnClickListener((v) -> {
2006                        binding.checkbox.toggle();
2007                    });
2008                    binding.checkbox.setOnCheckedChangeListener(this);
2009                }
2010                protected Element mValue = null;
2011
2012                @Override
2013                public void bind(Item item) {
2014                    Field field = (Field) item;
2015                    binding.label.setText(field.getLabel().or(""));
2016                    setTextOrHide(binding.desc, field.getDesc());
2017                    mValue = field.getValue();
2018                    binding.checkbox.setChecked(mValue.getContent() != null && (mValue.getContent().equals("true") || mValue.getContent().equals("1")));
2019                }
2020
2021                @Override
2022                public void onCheckedChanged(CompoundButton checkbox, boolean isChecked) {
2023                    if (mValue == null) return;
2024
2025                    mValue.setContent(isChecked ? "true" : "false");
2026                }
2027            }
2028
2029            class SearchListFieldViewHolder extends ViewHolder<CommandSearchListFieldBinding> implements TextWatcher {
2030                public SearchListFieldViewHolder(CommandSearchListFieldBinding binding) {
2031                    super(binding);
2032                    binding.search.addTextChangedListener(this);
2033                }
2034                protected Field field = null;
2035                Set<String> filteredValues;
2036                List<Option> options = new ArrayList<>();
2037                protected ArrayAdapter<Option> adapter;
2038                protected boolean open;
2039                protected boolean multi;
2040
2041                @Override
2042                public void bind(Item item) {
2043                    field = (Field) item;
2044                    setTextOrHide(binding.label, field.getLabel());
2045                    setTextOrHide(binding.desc, field.getDesc());
2046
2047                    if (field.error != null) {
2048                        binding.desc.setVisibility(View.VISIBLE);
2049                        binding.desc.setText(field.error);
2050                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2051                    } else {
2052                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2053                    }
2054
2055                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2056                    open = validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null;
2057                    setupInputType(field.el, binding.search, null);
2058
2059                    multi = field.getType().equals(Optional.of("list-multi"));
2060                    if (multi) {
2061                        binding.list.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE);
2062                    } else {
2063                        binding.list.setChoiceMode(AbsListView.CHOICE_MODE_SINGLE);
2064                    }
2065
2066                    options = field.getOptions();
2067                    binding.list.setOnItemClickListener((parent, view, position, id) -> {
2068                        Set<String> values = new HashSet<>();
2069                        if (multi) {
2070                            values.addAll(field.getValues());
2071                            for (final String value : field.getValues()) {
2072                                if (filteredValues.contains(value)) {
2073                                    values.remove(value);
2074                                }
2075                            }
2076                        }
2077
2078                        SparseBooleanArray positions = binding.list.getCheckedItemPositions();
2079                        for (int i = 0; i < positions.size(); i++) {
2080                            if (positions.valueAt(i)) values.add(adapter.getItem(positions.keyAt(i)).getValue());
2081                        }
2082                        field.setValues(values);
2083
2084                        if (!multi && open) binding.search.setText(String.join("\n", field.getValues()));
2085                    });
2086                    search("");
2087                }
2088
2089                @Override
2090                public void afterTextChanged(Editable s) {
2091                    if (!multi && open) field.setValues(List.of(s.toString()));
2092                    search(s.toString());
2093                }
2094
2095                @Override
2096                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2097
2098                @Override
2099                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2100
2101                protected void search(String s) {
2102                    List<Option> filteredOptions;
2103                    final String q = s.replaceAll("\\W", "").toLowerCase();
2104                    if (q == null || q.equals("")) {
2105                        filteredOptions = options;
2106                    } else {
2107                        filteredOptions = options.stream().filter(o -> o.toString().replaceAll("\\W", "").toLowerCase().contains(q)).collect(Collectors.toList());
2108                    }
2109                    filteredValues = filteredOptions.stream().map(o -> o.getValue()).collect(Collectors.toSet());
2110                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item, filteredOptions);
2111                    binding.list.setAdapter(adapter);
2112
2113                    for (final String value : field.getValues()) {
2114                        int checkedPos = filteredOptions.indexOf(new Option(value, ""));
2115                        if (checkedPos >= 0) binding.list.setItemChecked(checkedPos, true);
2116                    }
2117                }
2118            }
2119
2120            class RadioEditFieldViewHolder extends ViewHolder<CommandRadioEditFieldBinding> implements CompoundButton.OnCheckedChangeListener, TextWatcher {
2121                public RadioEditFieldViewHolder(CommandRadioEditFieldBinding binding) {
2122                    super(binding);
2123                    binding.open.addTextChangedListener(this);
2124                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.radio_grid_item) {
2125                        @Override
2126                        public View getView(int position, View convertView, ViewGroup parent) {
2127                            CompoundButton v = (CompoundButton) super.getView(position, convertView, parent);
2128                            v.setId(position);
2129                            v.setChecked(getItem(position).getValue().equals(mValue.getContent()));
2130                            v.setOnCheckedChangeListener(RadioEditFieldViewHolder.this);
2131                            return v;
2132                        }
2133                    };
2134                }
2135                protected Element mValue = null;
2136                protected ArrayAdapter<Option> options;
2137
2138                @Override
2139                public void bind(Item item) {
2140                    Field field = (Field) item;
2141                    setTextOrHide(binding.label, field.getLabel());
2142                    setTextOrHide(binding.desc, field.getDesc());
2143
2144                    if (field.error != null) {
2145                        binding.desc.setVisibility(View.VISIBLE);
2146                        binding.desc.setText(field.error);
2147                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2148                    } else {
2149                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2150                    }
2151
2152                    mValue = field.getValue();
2153
2154                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2155                    binding.open.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
2156                    binding.open.setText(mValue.getContent());
2157                    setupInputType(field.el, binding.open, null);
2158
2159                    options.clear();
2160                    List<Option> theOptions = field.getOptions();
2161                    options.addAll(theOptions);
2162
2163                    float screenWidth = binding.getRoot().getContext().getResources().getDisplayMetrics().widthPixels;
2164                    TextPaint paint = ((TextView) LayoutInflater.from(binding.getRoot().getContext()).inflate(R.layout.radio_grid_item, null)).getPaint();
2165                    float maxColumnWidth = theOptions.stream().map((x) ->
2166                        StaticLayout.getDesiredWidth(x.toString(), paint)
2167                    ).max(Float::compare).orElse(new Float(0.0));
2168                    if (maxColumnWidth * theOptions.size() < 0.90 * screenWidth) {
2169                        binding.radios.setNumColumns(theOptions.size());
2170                    } else if (maxColumnWidth * (theOptions.size() / 2) < 0.90 * screenWidth) {
2171                        binding.radios.setNumColumns(theOptions.size() / 2);
2172                    } else {
2173                        binding.radios.setNumColumns(1);
2174                    }
2175                    binding.radios.setAdapter(options);
2176                }
2177
2178                @Override
2179                public void onCheckedChanged(CompoundButton radio, boolean isChecked) {
2180                    if (mValue == null) return;
2181
2182                    if (isChecked) {
2183                        mValue.setContent(options.getItem(radio.getId()).getValue());
2184                        binding.open.setText(mValue.getContent());
2185                    }
2186                    options.notifyDataSetChanged();
2187                }
2188
2189                @Override
2190                public void afterTextChanged(Editable s) {
2191                    if (mValue == null) return;
2192
2193                    mValue.setContent(s.toString());
2194                    options.notifyDataSetChanged();
2195                }
2196
2197                @Override
2198                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2199
2200                @Override
2201                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2202            }
2203
2204            class SpinnerFieldViewHolder extends ViewHolder<CommandSpinnerFieldBinding> implements AdapterView.OnItemSelectedListener {
2205                public SpinnerFieldViewHolder(CommandSpinnerFieldBinding binding) {
2206                    super(binding);
2207                    binding.spinner.setOnItemSelectedListener(this);
2208                }
2209                protected Element mValue = null;
2210
2211                @Override
2212                public void bind(Item item) {
2213                    Field field = (Field) item;
2214                    setTextOrHide(binding.label, field.getLabel());
2215                    binding.spinner.setPrompt(field.getLabel().or(""));
2216                    setTextOrHide(binding.desc, field.getDesc());
2217
2218                    mValue = field.getValue();
2219
2220                    ArrayAdapter<Option> options = new ArrayAdapter<Option>(binding.getRoot().getContext(), android.R.layout.simple_spinner_item);
2221                    options.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
2222                    options.addAll(field.getOptions());
2223
2224                    binding.spinner.setAdapter(options);
2225                    binding.spinner.setSelection(options.getPosition(new Option(mValue.getContent(), null)));
2226                }
2227
2228                @Override
2229                public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
2230                    Option o = (Option) parent.getItemAtPosition(pos);
2231                    if (mValue == null) return;
2232
2233                    mValue.setContent(o == null ? "" : o.getValue());
2234                }
2235
2236                @Override
2237                public void onNothingSelected(AdapterView<?> parent) {
2238                    mValue.setContent("");
2239                }
2240            }
2241
2242            class ButtonGridFieldViewHolder extends ViewHolder<CommandButtonGridFieldBinding> {
2243                public ButtonGridFieldViewHolder(CommandButtonGridFieldBinding binding) {
2244                    super(binding);
2245                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.button_grid_item) {
2246                        protected int height = 0;
2247
2248                        @Override
2249                        public View getView(int position, View convertView, ViewGroup parent) {
2250                            Button v = (Button) super.getView(position, convertView, parent);
2251                            v.setOnClickListener((view) -> {
2252                                mValue.setContent(getItem(position).getValue());
2253                                execute();
2254                                loading = true;
2255                            });
2256
2257                            final SVG icon = getItem(position).getIcon();
2258                            if (icon != null) {
2259                                 final Element iconEl = getItem(position).getIconEl();
2260                                 if (height < 1) {
2261                                     v.measure(0, 0);
2262                                     height = v.getMeasuredHeight();
2263                                 }
2264                                 if (height < 1) return v;
2265                                 if (mediaSelector) {
2266                                     final Drawable d = getDrawableForSVG(icon, iconEl, height * 4);
2267                                     if (d != null) {
2268                                         final int boundsHeight = 35 + (int)((height * 4) / xmppConnectionService.getResources().getDisplayMetrics().density);
2269                                         d.setBounds(0, 0, d.getIntrinsicWidth(), boundsHeight);
2270                                     }
2271                                     v.setCompoundDrawables(null, d, null, null);
2272                                 } else {
2273                                     v.setCompoundDrawablesRelativeWithIntrinsicBounds(getDrawableForSVG(icon, iconEl, height), null, null, null);
2274                                 }
2275                            }
2276
2277                            return v;
2278                        }
2279                    };
2280                }
2281                protected Element mValue = null;
2282                protected ArrayAdapter<Option> options;
2283                protected Option defaultOption = null;
2284                protected boolean mediaSelector = false;
2285
2286                @Override
2287                public void bind(Item item) {
2288                    Field field = (Field) item;
2289                    setTextOrHide(binding.label, field.getLabel());
2290                    setTextOrHide(binding.desc, field.getDesc());
2291
2292                    if (field.error != null) {
2293                        binding.desc.setVisibility(View.VISIBLE);
2294                        binding.desc.setText(field.error);
2295                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2296                    } else {
2297                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2298                    }
2299
2300                    mValue = field.getValue();
2301                    mediaSelector = field.el.findChild("media-selector", "https://ns.cheogram.com/") != null;
2302
2303                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2304                    binding.openButton.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
2305                    binding.openButton.setOnClickListener((view) -> {
2306                        AlertDialog.Builder builder = new AlertDialog.Builder(binding.getRoot().getContext());
2307                        DialogQuickeditBinding dialogBinding = DataBindingUtil.inflate(LayoutInflater.from(binding.getRoot().getContext()), R.layout.dialog_quickedit, null, false);
2308                        builder.setPositiveButton(R.string.action_execute, null);
2309                        if (field.getDesc().isPresent()) {
2310                            dialogBinding.inputLayout.setHint(field.getDesc().get());
2311                        }
2312                        dialogBinding.inputEditText.requestFocus();
2313                        dialogBinding.inputEditText.getText().append(mValue.getContent());
2314                        builder.setView(dialogBinding.getRoot());
2315                        builder.setNegativeButton(R.string.cancel, null);
2316                        final AlertDialog dialog = builder.create();
2317                        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(dialogBinding.inputEditText));
2318                        dialog.show();
2319                        View.OnClickListener clickListener = v -> {
2320                            String value = dialogBinding.inputEditText.getText().toString();
2321                            mValue.setContent(value);
2322                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2323                            dialog.dismiss();
2324                            execute();
2325                            loading = true;
2326                        };
2327                        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
2328                        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
2329                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2330                            dialog.dismiss();
2331                        }));
2332                        dialog.setCanceledOnTouchOutside(false);
2333                        dialog.setOnDismissListener(dialog1 -> {
2334                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2335                        });
2336                    });
2337
2338                    options.clear();
2339                    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();
2340
2341                    defaultOption = null;
2342                    for (Option option : theOptions) {
2343                        if (option.getValue().equals(mValue.getContent())) {
2344                            defaultOption = option;
2345                            break;
2346                        }
2347                    }
2348                    if (defaultOption == null && !mValue.getContent().equals("")) {
2349                        // Synthesize default option for custom value
2350                        defaultOption = new Option(mValue.getContent(), mValue.getContent());
2351                    }
2352                    if (defaultOption == null) {
2353                        binding.defaultButton.setVisibility(View.GONE);
2354                    } else {
2355                        theOptions.remove(defaultOption);
2356                        binding.defaultButton.setVisibility(View.VISIBLE);
2357
2358                        final SVG defaultIcon = defaultOption.getIcon();
2359                        if (defaultIcon != null) {
2360                             DisplayMetrics display = mPager.getContext().getResources().getDisplayMetrics();
2361                             int height = (int)(display.heightPixels*display.density/4);
2362                             binding.defaultButton.setCompoundDrawablesRelativeWithIntrinsicBounds(null, getDrawableForSVG(defaultIcon, defaultOption.getIconEl(), height), null, null);
2363                        }
2364
2365                        binding.defaultButton.setText(defaultOption.toString());
2366                        binding.defaultButton.setOnClickListener((view) -> {
2367                            mValue.setContent(defaultOption.getValue());
2368                            execute();
2369                            loading = true;
2370                        });
2371                    }
2372
2373                    options.addAll(theOptions);
2374                    binding.buttons.setAdapter(options);
2375                }
2376            }
2377
2378            class TextFieldViewHolder extends ViewHolder<CommandTextFieldBinding> implements TextWatcher {
2379                public TextFieldViewHolder(CommandTextFieldBinding binding) {
2380                    super(binding);
2381                    binding.textinput.addTextChangedListener(this);
2382                }
2383                protected Field field = null;
2384
2385                @Override
2386                public void bind(Item item) {
2387                    field = (Field) item;
2388                    binding.textinputLayout.setHint(field.getLabel().or(""));
2389
2390                    binding.textinputLayout.setHelperTextEnabled(field.getDesc().isPresent());
2391                    for (String desc : field.getDesc().asSet()) {
2392                        binding.textinputLayout.setHelperText(desc);
2393                    }
2394
2395                    binding.textinputLayout.setErrorEnabled(field.error != null);
2396                    if (field.error != null) binding.textinputLayout.setError(field.error);
2397
2398                    binding.textinput.setTextAlignment(View.TEXT_ALIGNMENT_GRAVITY);
2399                    String suffixLabel = field.el.findChildContent("x", "https://ns.cheogram.com/suffix-label");
2400                    if (suffixLabel == null) {
2401                        binding.textinputLayout.setSuffixText("");
2402                    } else {
2403                        binding.textinputLayout.setSuffixText(suffixLabel);
2404                        binding.textinput.setTextAlignment(View.TEXT_ALIGNMENT_TEXT_END);
2405                    }
2406
2407                    String prefixLabel = field.el.findChildContent("x", "https://ns.cheogram.com/prefix-label");
2408                    binding.textinputLayout.setPrefixText(prefixLabel == null ? "" : prefixLabel);
2409
2410                    binding.textinput.setText(String.join("\n", field.getValues()));
2411                    setupInputType(field.el, binding.textinput, binding.textinputLayout);
2412                }
2413
2414                @Override
2415                public void afterTextChanged(Editable s) {
2416                    if (field == null) return;
2417
2418                    field.setValues(List.of(s.toString().split("\n")));
2419                }
2420
2421                @Override
2422                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2423
2424                @Override
2425                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2426            }
2427
2428            class SliderFieldViewHolder extends ViewHolder<CommandSliderFieldBinding> {
2429                public SliderFieldViewHolder(CommandSliderFieldBinding binding) { super(binding); }
2430                protected Field field = null;
2431
2432                @Override
2433                public void bind(Item item) {
2434                    field = (Field) item;
2435                    setTextOrHide(binding.label, field.getLabel());
2436                    setTextOrHide(binding.desc, field.getDesc());
2437                    final Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2438                    final String datatype = validate == null ? null : validate.getAttribute("datatype");
2439                    final Element range = validate == null ? null : validate.findChild("range", "http://jabber.org/protocol/xdata-validate");
2440                    // NOTE: range also implies open, so we don't have to be bound by the options strictly
2441                    // Also, we don't have anywhere to put labels so we show only values, which might sometimes be bad...
2442                    Float min = null;
2443                    try { min = range.getAttribute("min") == null ? null : Float.valueOf(range.getAttribute("min")); } catch (NumberFormatException e) { }
2444                    Float max = null;
2445                    try { max = range.getAttribute("max") == null ? null : Float.valueOf(range.getAttribute("max"));  } catch (NumberFormatException e) { }
2446
2447                    List<Float> options = field.getOptions().stream().map(o -> Float.valueOf(o.getValue())).collect(Collectors.toList());
2448                    Collections.sort(options);
2449                    if (options.size() > 0) {
2450                        // min/max should be on the range, but if you have options and didn't put them on the range we can imply
2451                        if (min == null) min = options.get(0);
2452                        if (max == null) max = options.get(options.size()-1);
2453                    }
2454
2455                    if (field.getValues().size() > 0) binding.slider.setValue(Float.valueOf(field.getValue().getContent()));
2456                    binding.slider.setValueFrom(min == null ? Float.MIN_VALUE : min);
2457                    binding.slider.setValueTo(max == null ? Float.MAX_VALUE : max);
2458                    if ("xs:integer".equals(datatype) || "xs:int".equals(datatype) || "xs:long".equals(datatype) || "xs:short".equals(datatype) || "xs:byte".equals(datatype)) {
2459                        binding.slider.setStepSize(1);
2460                    } else {
2461                        binding.slider.setStepSize(0);
2462                    }
2463
2464                    if (options.size() > 0) {
2465                        float step = -1;
2466                        Float prev = null;
2467                        for (final Float option : options) {
2468                            if (prev != null) {
2469                                float nextStep = option - prev;
2470                                if (step > 0 && step != nextStep) {
2471                                    step = -1;
2472                                    break;
2473                                }
2474                                step = nextStep;
2475                            }
2476                            prev = option;
2477                        }
2478                        if (step > 0) binding.slider.setStepSize(step);
2479                    }
2480
2481                    binding.slider.addOnChangeListener((slider, value, fromUser) -> {
2482                        field.setValues(List.of(new DecimalFormat().format(value)));
2483                    });
2484                }
2485            }
2486
2487            class WebViewHolder extends ViewHolder<CommandWebviewBinding> {
2488                public WebViewHolder(CommandWebviewBinding binding) { super(binding); }
2489                protected String boundUrl = "";
2490
2491                @Override
2492                public void bind(Item oob) {
2493                    setTextOrHide(binding.desc, Optional.fromNullable(oob.el.findChildContent("desc", "jabber:x:oob")));
2494                    binding.webview.getSettings().setJavaScriptEnabled(true);
2495                    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");
2496                    binding.webview.getSettings().setDatabaseEnabled(true);
2497                    binding.webview.getSettings().setDomStorageEnabled(true);
2498                    binding.webview.setWebChromeClient(new WebChromeClient() {
2499                        @Override
2500                        public void onProgressChanged(WebView view, int newProgress) {
2501                            binding.progressbar.setVisibility(newProgress < 100 ? View.VISIBLE : View.GONE);
2502                            binding.progressbar.setProgress(newProgress);
2503                        }
2504                    });
2505                    binding.webview.setWebViewClient(new WebViewClient() {
2506                        @Override
2507                        public void onPageFinished(WebView view, String url) {
2508                            super.onPageFinished(view, url);
2509                            mTitle = view.getTitle();
2510                            ConversationPagerAdapter.this.notifyDataSetChanged();
2511                        }
2512                    });
2513                    final String url = oob.el.findChildContent("url", "jabber:x:oob");
2514                    if (!boundUrl.equals(url)) {
2515                        binding.webview.addJavascriptInterface(new JsObject(), "xmpp_xep0050");
2516                        binding.webview.loadUrl(url);
2517                        boundUrl = url;
2518                    }
2519                }
2520
2521                class JsObject {
2522                    @JavascriptInterface
2523                    public void execute() { execute("execute"); }
2524
2525                    @JavascriptInterface
2526                    public void execute(String action) {
2527                        getView().post(() -> {
2528                            actionToWebview = null;
2529                            if(CommandSession.this.execute(action)) {
2530                                removeSession(CommandSession.this);
2531                            }
2532                        });
2533                    }
2534
2535                    @JavascriptInterface
2536                    public void preventDefault() {
2537                        actionToWebview = binding.webview;
2538                    }
2539                }
2540            }
2541
2542            class ProgressBarViewHolder extends ViewHolder<CommandProgressBarBinding> {
2543                public ProgressBarViewHolder(CommandProgressBarBinding binding) { super(binding); }
2544
2545                @Override
2546                public void bind(Item item) {
2547                    binding.text.setVisibility(loadingHasBeenLong ? View.VISIBLE : View.GONE);
2548                }
2549            }
2550
2551            class Item {
2552                protected Element el;
2553                protected int viewType;
2554                protected String error = null;
2555
2556                Item(Element el, int viewType) {
2557                    this.el = el;
2558                    this.viewType = viewType;
2559                }
2560
2561                public boolean validate() {
2562                    error = null;
2563                    return true;
2564                }
2565            }
2566
2567            class Field extends Item {
2568                Field(eu.siacs.conversations.xmpp.forms.Field el, int viewType) { super(el, viewType); }
2569
2570                @Override
2571                public boolean validate() {
2572                    if (!super.validate()) return false;
2573                    if (el.findChild("required", "jabber:x:data") == null) return true;
2574                    if (getValue().getContent() != null && !getValue().getContent().equals("")) return true;
2575
2576                    error = "this value is required";
2577                    return false;
2578                }
2579
2580                public String getVar() {
2581                    return el.getAttribute("var");
2582                }
2583
2584                public Optional<String> getType() {
2585                    return Optional.fromNullable(el.getAttribute("type"));
2586                }
2587
2588                public Optional<String> getLabel() {
2589                    String label = el.getAttribute("label");
2590                    if (label == null) label = getVar();
2591                    return Optional.fromNullable(label);
2592                }
2593
2594                public Optional<String> getDesc() {
2595                    return Optional.fromNullable(el.findChildContent("desc", "jabber:x:data"));
2596                }
2597
2598                public Element getValue() {
2599                    Element value = el.findChild("value", "jabber:x:data");
2600                    if (value == null) {
2601                        value = el.addChild("value", "jabber:x:data");
2602                    }
2603                    return value;
2604                }
2605
2606                public void setValues(Collection<String> values) {
2607                    for(Element child : el.getChildren()) {
2608                        if ("value".equals(child.getName()) && "jabber:x:data".equals(child.getNamespace())) {
2609                            el.removeChild(child);
2610                        }
2611                    }
2612
2613                    for (String value : values) {
2614                        el.addChild("value", "jabber:x:data").setContent(value);
2615                    }
2616                }
2617
2618                public List<String> getValues() {
2619                    List<String> values = new ArrayList<>();
2620                    for(Element child : el.getChildren()) {
2621                        if ("value".equals(child.getName()) && "jabber:x:data".equals(child.getNamespace())) {
2622                            values.add(child.getContent());
2623                        }
2624                    }
2625                    return values;
2626                }
2627
2628                public List<Option> getOptions() {
2629                    return Option.forField(el);
2630                }
2631            }
2632
2633            class Cell extends Item {
2634                protected Field reported;
2635
2636                Cell(Field reported, Element item) {
2637                    super(item, TYPE_RESULT_CELL);
2638                    this.reported = reported;
2639                }
2640            }
2641
2642            protected Field mkField(Element el) {
2643                int viewType = -1;
2644
2645                String formType = responseElement.getAttribute("type");
2646                if (formType != null) {
2647                    String fieldType = el.getAttribute("type");
2648                    if (fieldType == null) fieldType = "text-single";
2649
2650                    if (formType.equals("result") || fieldType.equals("fixed")) {
2651                        viewType = TYPE_RESULT_FIELD;
2652                    } else if (formType.equals("form")) {
2653                        final Element validate = el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2654                        final String datatype = validate == null ? null : validate.getAttribute("datatype");
2655                        final Element range = validate == null ? null : validate.findChild("range", "http://jabber.org/protocol/xdata-validate");
2656                        if (fieldType.equals("boolean")) {
2657                            if (fillableFieldCount == 1 && actionsAdapter.countProceed() < 1) {
2658                                viewType = TYPE_BUTTON_GRID_FIELD;
2659                            } else {
2660                                viewType = TYPE_CHECKBOX_FIELD;
2661                            }
2662                        } else if (
2663                            range != null && (
2664                                "xs:integer".equals(datatype) || "xs:int".equals(datatype) || "xs:long".equals(datatype) || "xs:short".equals(datatype) || "xs:byte".equals(datatype) ||
2665                                "xs:decimal".equals(datatype) || "xs:double".equals(datatype)
2666                            )
2667                        ) {
2668                            // has a range and is numeric, use a slider
2669                            viewType = TYPE_SLIDER_FIELD;
2670                        } else if (fieldType.equals("list-single")) {
2671                            if (fillableFieldCount == 1 && actionsAdapter.countProceed() < 1 && Option.forField(el).size() < 50) {
2672                                viewType = TYPE_BUTTON_GRID_FIELD;
2673                            } else if (Option.forField(el).size() > 9) {
2674                                viewType = TYPE_SEARCH_LIST_FIELD;
2675                            } else if (el.findChild("value", "jabber:x:data") == null || (validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null)) {
2676                                viewType = TYPE_RADIO_EDIT_FIELD;
2677                            } else {
2678                                viewType = TYPE_SPINNER_FIELD;
2679                            }
2680                        } else if (fieldType.equals("list-multi")) {
2681                            viewType = TYPE_SEARCH_LIST_FIELD;
2682                        } else {
2683                            viewType = TYPE_TEXT_FIELD;
2684                        }
2685                    }
2686
2687                    return new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), viewType);
2688                }
2689
2690                return null;
2691            }
2692
2693            protected Item mkItem(Element el, int pos) {
2694                int viewType = -1;
2695
2696                if (response != null && response.getType() == IqPacket.TYPE.RESULT) {
2697                    if (el.getName().equals("note")) {
2698                        viewType = TYPE_NOTE;
2699                    } else if (el.getNamespace().equals("jabber:x:oob")) {
2700                        viewType = TYPE_WEB;
2701                    } else if (el.getName().equals("instructions") && el.getNamespace().equals("jabber:x:data")) {
2702                        viewType = TYPE_NOTE;
2703                    } else if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data")) {
2704                        Field field = mkField(el);
2705                        if (field != null) {
2706                            items.put(pos, field);
2707                            return field;
2708                        }
2709                    }
2710                } else if (response != null) {
2711                    viewType = TYPE_ERROR;
2712                }
2713
2714                Item item = new Item(el, viewType);
2715                items.put(pos, item);
2716                return item;
2717            }
2718
2719            class ActionsAdapter extends ArrayAdapter<Pair<String, String>> {
2720                protected Context ctx;
2721
2722                public ActionsAdapter(Context ctx) {
2723                    super(ctx, R.layout.simple_list_item);
2724                    this.ctx = ctx;
2725                }
2726
2727                @Override
2728                public View getView(int position, View convertView, ViewGroup parent) {
2729                    View v = super.getView(position, convertView, parent);
2730                    TextView tv = (TextView) v.findViewById(android.R.id.text1);
2731                    tv.setGravity(Gravity.CENTER);
2732                    tv.setText(getItem(position).second);
2733                    int resId = ctx.getResources().getIdentifier("action_" + getItem(position).first, "string" , ctx.getPackageName());
2734                    if (resId != 0 && getItem(position).second.equals(getItem(position).first)) tv.setText(ctx.getResources().getString(resId));
2735                    tv.setTextColor(ContextCompat.getColor(ctx, R.color.white));
2736                    tv.setBackgroundColor(UIHelper.getColorForName(getItem(position).first));
2737                    return v;
2738                }
2739
2740                public int getPosition(String s) {
2741                    for(int i = 0; i < getCount(); i++) {
2742                        if (getItem(i).first.equals(s)) return i;
2743                    }
2744                    return -1;
2745                }
2746
2747                public int countProceed() {
2748                    int count = 0;
2749                    for(int i = 0; i < getCount(); i++) {
2750                        if (!"cancel".equals(getItem(i).first) && !"prev".equals(getItem(i).first)) count++;
2751                    }
2752                    return count;
2753                }
2754
2755                public int countExceptCancel() {
2756                    int count = 0;
2757                    for(int i = 0; i < getCount(); i++) {
2758                        if (!getItem(i).first.equals("cancel")) count++;
2759                    }
2760                    return count;
2761                }
2762
2763                public void clearProceed() {
2764                    Pair<String,String> cancelItem = null;
2765                    Pair<String,String> prevItem = null;
2766                    for(int i = 0; i < getCount(); i++) {
2767                        if (getItem(i).first.equals("cancel")) cancelItem = getItem(i);
2768                        if (getItem(i).first.equals("prev")) prevItem = getItem(i);
2769                    }
2770                    clear();
2771                    if (cancelItem != null) add(cancelItem);
2772                    if (prevItem != null) add(prevItem);
2773                }
2774            }
2775
2776            final int TYPE_ERROR = 1;
2777            final int TYPE_NOTE = 2;
2778            final int TYPE_WEB = 3;
2779            final int TYPE_RESULT_FIELD = 4;
2780            final int TYPE_TEXT_FIELD = 5;
2781            final int TYPE_CHECKBOX_FIELD = 6;
2782            final int TYPE_SPINNER_FIELD = 7;
2783            final int TYPE_RADIO_EDIT_FIELD = 8;
2784            final int TYPE_RESULT_CELL = 9;
2785            final int TYPE_PROGRESSBAR = 10;
2786            final int TYPE_SEARCH_LIST_FIELD = 11;
2787            final int TYPE_ITEM_CARD = 12;
2788            final int TYPE_BUTTON_GRID_FIELD = 13;
2789            final int TYPE_SLIDER_FIELD = 14;
2790
2791            protected boolean executing = false;
2792            protected boolean loading = false;
2793            protected boolean loadingHasBeenLong = false;
2794            protected Timer loadingTimer = new Timer();
2795            protected String mTitle;
2796            protected String mNode;
2797            protected CommandPageBinding mBinding = null;
2798            protected IqPacket response = null;
2799            protected Element responseElement = null;
2800            protected boolean expectingRemoval = false;
2801            protected List<Field> reported = null;
2802            protected SparseArray<Item> items = new SparseArray<>();
2803            protected XmppConnectionService xmppConnectionService;
2804            protected ActionsAdapter actionsAdapter;
2805            protected GridLayoutManager layoutManager;
2806            protected WebView actionToWebview = null;
2807            protected int fillableFieldCount = 0;
2808            protected IqPacket pendingResponsePacket = null;
2809            protected boolean waitingForRefresh = false;
2810
2811            CommandSession(String title, String node, XmppConnectionService xmppConnectionService) {
2812                loading();
2813                mTitle = title;
2814                mNode = node;
2815                this.xmppConnectionService = xmppConnectionService;
2816                if (mPager != null) setupLayoutManager();
2817                actionsAdapter = new ActionsAdapter(xmppConnectionService);
2818                actionsAdapter.registerDataSetObserver(new DataSetObserver() {
2819                    @Override
2820                    public void onChanged() {
2821                        if (mBinding == null) return;
2822
2823                        mBinding.actions.setNumColumns(actionsAdapter.getCount() > 1 ? 2 : 1);
2824                    }
2825
2826                    @Override
2827                    public void onInvalidated() {}
2828                });
2829            }
2830
2831            public String getTitle() {
2832                return mTitle;
2833            }
2834
2835            public String getNode() {
2836                return mNode;
2837            }
2838
2839            public void updateWithResponse(final IqPacket iq) {
2840                if (getView() != null && getView().isAttachedToWindow()) {
2841                    getView().post(() -> updateWithResponseUiThread(iq));
2842                } else {
2843                    pendingResponsePacket = iq;
2844                }
2845            }
2846
2847            protected void updateWithResponseUiThread(final IqPacket iq) {
2848                Timer oldTimer = this.loadingTimer;
2849                this.loadingTimer = new Timer();
2850                oldTimer.cancel();
2851                this.executing = false;
2852                this.loading = false;
2853                this.loadingHasBeenLong = false;
2854                this.responseElement = null;
2855                this.fillableFieldCount = 0;
2856                this.reported = null;
2857                this.response = iq;
2858                this.items.clear();
2859                this.actionsAdapter.clear();
2860                layoutManager.setSpanCount(1);
2861
2862                boolean actionsCleared = false;
2863                Element command = iq.findChild("command", "http://jabber.org/protocol/commands");
2864                if (iq.getType() == IqPacket.TYPE.RESULT && command != null) {
2865                    if (mNode.equals("jabber:iq:register") && command.getAttribute("status") != null && command.getAttribute("status").equals("completed")) {
2866                        xmppConnectionService.createContact(getAccount().getRoster().getContact(iq.getFrom()), true);
2867                    }
2868
2869                    if (xmppConnectionService.isOnboarding() && mNode.equals("jabber:iq:register") && !"canceled".equals(command.getAttribute("status")) && xmppConnectionService.getPreferences().contains("onboarding_action")) {
2870                        xmppConnectionService.getPreferences().edit().putBoolean("onboarding_continued", true).commit();
2871                    }
2872
2873                    Element actions = command.findChild("actions", "http://jabber.org/protocol/commands");
2874                    if (actions != null) {
2875                        for (Element action : actions.getChildren()) {
2876                            if (!"http://jabber.org/protocol/commands".equals(action.getNamespace())) continue;
2877                            if ("execute".equals(action.getName())) continue;
2878
2879                            actionsAdapter.add(Pair.create(action.getName(), action.getName()));
2880                        }
2881                    }
2882
2883                    for (Element el : command.getChildren()) {
2884                        if ("x".equals(el.getName()) && "jabber:x:data".equals(el.getNamespace())) {
2885                            Data form = Data.parse(el);
2886                            String title = form.getTitle();
2887                            if (title != null) {
2888                                mTitle = title;
2889                                ConversationPagerAdapter.this.notifyDataSetChanged();
2890                            }
2891
2892                            if ("result".equals(el.getAttribute("type")) || "form".equals(el.getAttribute("type"))) {
2893                                this.responseElement = el;
2894                                setupReported(el.findChild("reported", "jabber:x:data"));
2895                                if (mBinding != null) mBinding.form.setLayoutManager(setupLayoutManager());
2896                            }
2897
2898                            eu.siacs.conversations.xmpp.forms.Field actionList = form.getFieldByName("http://jabber.org/protocol/commands#actions");
2899                            if (actionList != null) {
2900                                actionsAdapter.clear();
2901
2902                                for (Option action : actionList.getOptions()) {
2903                                    actionsAdapter.add(Pair.create(action.getValue(), action.toString()));
2904                                }
2905                            }
2906
2907                            eu.siacs.conversations.xmpp.forms.Field fillableField = null;
2908                            for (eu.siacs.conversations.xmpp.forms.Field field : form.getFields()) {
2909                                if ((field.getType() == null || (!field.getType().equals("hidden") && !field.getType().equals("fixed"))) && field.getFieldName() != null && !field.getFieldName().equals("http://jabber.org/protocol/commands#actions")) {
2910                                    fillableField = field;
2911                                    fillableFieldCount++;
2912                                }
2913                            }
2914
2915                            if (fillableFieldCount == 1 && actionsAdapter.countProceed() < 2 && (("list-single".equals(fillableField.getType()) && Option.forField(fillableField).size() < 50) || ("boolean".equals(fillableField.getType()) && fillableField.getValue() == null))) {
2916                                actionsCleared = true;
2917                                actionsAdapter.clearProceed();
2918                            }
2919                            break;
2920                        }
2921                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:oob")) {
2922                            String url = el.findChildContent("url", "jabber:x:oob");
2923                            if (url != null) {
2924                                String scheme = Uri.parse(url).getScheme();
2925                                if (scheme.equals("http") || scheme.equals("https")) {
2926                                    this.responseElement = el;
2927                                    break;
2928                                }
2929                                if (scheme.equals("xmpp")) {
2930                                    expectingRemoval = true;
2931                                    final Intent intent = new Intent(getView().getContext(), UriHandlerActivity.class);
2932                                    intent.setAction(Intent.ACTION_VIEW);
2933                                    intent.setData(Uri.parse(url));
2934                                    getView().getContext().startActivity(intent);
2935                                    break;
2936                                }
2937                            }
2938                        }
2939                        if (el.getName().equals("note") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2940                            this.responseElement = el;
2941                            break;
2942                        }
2943                    }
2944
2945                    if (responseElement == null && command.getAttribute("status") != null && (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled"))) {
2946                        if ("jabber:iq:register".equals(mNode) && "canceled".equals(command.getAttribute("status"))) {
2947                            if (xmppConnectionService.isOnboarding()) {
2948                                if (xmppConnectionService.getPreferences().contains("onboarding_action")) {
2949                                    xmppConnectionService.deleteAccount(getAccount());
2950                                } else {
2951                                    if (xmppConnectionService.getPreferences().getBoolean("onboarding_continued", false)) {
2952                                        removeSession(this);
2953                                        return;
2954                                    } else {
2955                                        xmppConnectionService.getPreferences().edit().putString("onboarding_action", "cancel").commit();
2956                                        xmppConnectionService.deleteAccount(getAccount());
2957                                    }
2958                                }
2959                            }
2960                            xmppConnectionService.archiveConversation(Conversation.this);
2961                        }
2962
2963                        expectingRemoval = true;
2964                        removeSession(this);
2965                        return;
2966                    }
2967
2968                    if ("executing".equals(command.getAttribute("status")) && actionsAdapter.countExceptCancel() < 1 && !actionsCleared) {
2969                        // No actions have been given, but we are not done?
2970                        // This is probably a spec violation, but we should do *something*
2971                        actionsAdapter.add(Pair.create("execute", "execute"));
2972                    }
2973
2974                    if (!actionsAdapter.isEmpty() || fillableFieldCount > 0) {
2975                        if ("completed".equals(command.getAttribute("status")) || "canceled".equals(command.getAttribute("status"))) {
2976                            actionsAdapter.add(Pair.create("close", "close"));
2977                        } else if (actionsAdapter.getPosition("cancel") < 0 && !xmppConnectionService.isOnboarding()) {
2978                            actionsAdapter.insert(Pair.create("cancel", "cancel"), 0);
2979                        }
2980                    }
2981                }
2982
2983                if (actionsAdapter.isEmpty()) {
2984                    actionsAdapter.add(Pair.create("close", "close"));
2985                }
2986
2987                actionsAdapter.sort((x, y) -> {
2988                    if (x.first.equals("cancel")) return -1;
2989                    if (y.first.equals("cancel")) return 1;
2990                    if (x.first.equals("prev") && xmppConnectionService.isOnboarding()) return -1;
2991                    if (y.first.equals("prev") && xmppConnectionService.isOnboarding()) return 1;
2992                    return 0;
2993                });
2994
2995                Data dataForm = null;
2996                if (responseElement != null && responseElement.getName().equals("x") && responseElement.getNamespace().equals("jabber:x:data")) dataForm = Data.parse(responseElement);
2997                if (mNode.equals("jabber:iq:register") &&
2998                    xmppConnectionService.getPreferences().contains("onboarding_action") &&
2999                    dataForm != null && dataForm.getFieldByName("gateway-jid") != null) {
3000
3001
3002                    dataForm.put("gateway-jid", xmppConnectionService.getPreferences().getString("onboarding_action", ""));
3003                    execute();
3004                }
3005                xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
3006                notifyDataSetChanged();
3007            }
3008
3009            protected void setupReported(Element el) {
3010                if (el == null) {
3011                    reported = null;
3012                    return;
3013                }
3014
3015                reported = new ArrayList<>();
3016                for (Element fieldEl : el.getChildren()) {
3017                    if (!fieldEl.getName().equals("field") || !fieldEl.getNamespace().equals("jabber:x:data")) continue;
3018                    reported.add(mkField(fieldEl));
3019                }
3020            }
3021
3022            @Override
3023            public int getItemCount() {
3024                if (loading) return 1;
3025                if (response == null) return 0;
3026                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null && responseElement.getNamespace().equals("jabber:x:data")) {
3027                    int i = 0;
3028                    for (Element el : responseElement.getChildren()) {
3029                        if (!el.getNamespace().equals("jabber:x:data")) continue;
3030                        if (el.getName().equals("title")) continue;
3031                        if (el.getName().equals("field")) {
3032                            String type = el.getAttribute("type");
3033                            if (type != null && type.equals("hidden")) continue;
3034                            if (el.getAttribute("var") != null && el.getAttribute("var").equals("http://jabber.org/protocol/commands#actions")) continue;
3035                        }
3036
3037                        if (el.getName().equals("reported") || el.getName().equals("item")) {
3038                            if ((layoutManager == null ? 1 : layoutManager.getSpanCount()) < reported.size()) {
3039                                if (el.getName().equals("reported")) continue;
3040                                i += 1;
3041                            } else {
3042                                if (reported != null) i += reported.size();
3043                            }
3044                            continue;
3045                        }
3046
3047                        i++;
3048                    }
3049                    return i;
3050                }
3051                return 1;
3052            }
3053
3054            public Item getItem(int position) {
3055                if (loading) return new Item(null, TYPE_PROGRESSBAR);
3056                if (items.get(position) != null) return items.get(position);
3057                if (response == null) return null;
3058
3059                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null) {
3060                    if (responseElement.getNamespace().equals("jabber:x:data")) {
3061                        int i = 0;
3062                        for (Element el : responseElement.getChildren()) {
3063                            if (!el.getNamespace().equals("jabber:x:data")) continue;
3064                            if (el.getName().equals("title")) continue;
3065                            if (el.getName().equals("field")) {
3066                                String type = el.getAttribute("type");
3067                                if (type != null && type.equals("hidden")) continue;
3068                                if (el.getAttribute("var") != null && el.getAttribute("var").equals("http://jabber.org/protocol/commands#actions")) continue;
3069                            }
3070
3071                            if (el.getName().equals("reported") || el.getName().equals("item")) {
3072                                Cell cell = null;
3073
3074                                if (reported != null) {
3075                                    if ((layoutManager == null ? 1 : layoutManager.getSpanCount()) < reported.size()) {
3076                                        if (el.getName().equals("reported")) continue;
3077                                        if (i == position) {
3078                                            items.put(position, new Item(el, TYPE_ITEM_CARD));
3079                                            return items.get(position);
3080                                        }
3081                                    } else {
3082                                        if (reported.size() > position - i) {
3083                                            Field reportedField = reported.get(position - i);
3084                                            Element itemField = null;
3085                                            if (el.getName().equals("item")) {
3086                                                for (Element subel : el.getChildren()) {
3087                                                    if (subel.getAttribute("var").equals(reportedField.getVar())) {
3088                                                       itemField = subel;
3089                                                       break;
3090                                                    }
3091                                                }
3092                                            }
3093                                            cell = new Cell(reportedField, itemField);
3094                                        } else {
3095                                            i += reported.size();
3096                                            continue;
3097                                        }
3098                                    }
3099                                }
3100
3101                                if (cell != null) {
3102                                    items.put(position, cell);
3103                                    return cell;
3104                                }
3105                            }
3106
3107                            if (i < position) {
3108                                i++;
3109                                continue;
3110                            }
3111
3112                            return mkItem(el, position);
3113                        }
3114                    }
3115                }
3116
3117                return mkItem(responseElement == null ? response : responseElement, position);
3118            }
3119
3120            @Override
3121            public int getItemViewType(int position) {
3122                return getItem(position).viewType;
3123            }
3124
3125            @Override
3126            public ViewHolder onCreateViewHolder(ViewGroup container, int viewType) {
3127                switch(viewType) {
3128                    case TYPE_ERROR: {
3129                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3130                        return new ErrorViewHolder(binding);
3131                    }
3132                    case TYPE_NOTE: {
3133                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3134                        return new NoteViewHolder(binding);
3135                    }
3136                    case TYPE_WEB: {
3137                        CommandWebviewBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_webview, container, false);
3138                        return new WebViewHolder(binding);
3139                    }
3140                    case TYPE_RESULT_FIELD: {
3141                        CommandResultFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_field, container, false);
3142                        return new ResultFieldViewHolder(binding);
3143                    }
3144                    case TYPE_RESULT_CELL: {
3145                        CommandResultCellBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_cell, container, false);
3146                        return new ResultCellViewHolder(binding);
3147                    }
3148                    case TYPE_ITEM_CARD: {
3149                        CommandItemCardBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_item_card, container, false);
3150                        return new ItemCardViewHolder(binding);
3151                    }
3152                    case TYPE_CHECKBOX_FIELD: {
3153                        CommandCheckboxFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_checkbox_field, container, false);
3154                        return new CheckboxFieldViewHolder(binding);
3155                    }
3156                    case TYPE_SEARCH_LIST_FIELD: {
3157                        CommandSearchListFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_search_list_field, container, false);
3158                        return new SearchListFieldViewHolder(binding);
3159                    }
3160                    case TYPE_RADIO_EDIT_FIELD: {
3161                        CommandRadioEditFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_radio_edit_field, container, false);
3162                        return new RadioEditFieldViewHolder(binding);
3163                    }
3164                    case TYPE_SPINNER_FIELD: {
3165                        CommandSpinnerFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_spinner_field, container, false);
3166                        return new SpinnerFieldViewHolder(binding);
3167                    }
3168                    case TYPE_BUTTON_GRID_FIELD: {
3169                        CommandButtonGridFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_button_grid_field, container, false);
3170                        return new ButtonGridFieldViewHolder(binding);
3171                    }
3172                    case TYPE_TEXT_FIELD: {
3173                        CommandTextFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_text_field, container, false);
3174                        return new TextFieldViewHolder(binding);
3175                    }
3176                    case TYPE_SLIDER_FIELD: {
3177                        CommandSliderFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_slider_field, container, false);
3178                        return new SliderFieldViewHolder(binding);
3179                    }
3180                    case TYPE_PROGRESSBAR: {
3181                        CommandProgressBarBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_progress_bar, container, false);
3182                        return new ProgressBarViewHolder(binding);
3183                    }
3184                    default:
3185                        if (expectingRemoval) {
3186                            CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
3187                            return new NoteViewHolder(binding);
3188                        }
3189
3190                        throw new IllegalArgumentException("Unknown viewType: " + viewType + " based on: " + response + ", " + responseElement + ", " + expectingRemoval);
3191                }
3192            }
3193
3194            @Override
3195            public void onBindViewHolder(ViewHolder viewHolder, int position) {
3196                viewHolder.bind(getItem(position));
3197            }
3198
3199            public View getView() {
3200                if (mBinding == null) return null;
3201                return mBinding.getRoot();
3202            }
3203
3204            public boolean validate() {
3205                int count = getItemCount();
3206                boolean isValid = true;
3207                for (int i = 0; i < count; i++) {
3208                    boolean oneIsValid = getItem(i).validate();
3209                    isValid = isValid && oneIsValid;
3210                }
3211                notifyDataSetChanged();
3212                return isValid;
3213            }
3214
3215            public boolean execute() {
3216                return execute("execute");
3217            }
3218
3219            public boolean execute(int actionPosition) {
3220                return execute(actionsAdapter.getItem(actionPosition).first);
3221            }
3222
3223            public synchronized boolean execute(String action) {
3224                if (!"cancel".equals(action) && executing) {
3225                    loadingHasBeenLong = true;
3226                    notifyDataSetChanged();
3227                    return false;
3228                }
3229                if (!action.equals("cancel") && !action.equals("prev") && !validate()) return false;
3230
3231                if (response == null) return true;
3232                Element command = response.findChild("command", "http://jabber.org/protocol/commands");
3233                if (command == null) return true;
3234                String status = command.getAttribute("status");
3235                if (status == null || (!status.equals("executing") && !action.equals("prev"))) return true;
3236
3237                if (actionToWebview != null && !action.equals("cancel") && Build.VERSION.SDK_INT >= 23) {
3238                    actionToWebview.postWebMessage(new WebMessage("xmpp_xep0050/" + action), Uri.parse("*"));
3239                    return false;
3240                }
3241
3242                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
3243                packet.setTo(response.getFrom());
3244                final Element c = packet.addChild("command", Namespace.COMMANDS);
3245                c.setAttribute("node", mNode);
3246                c.setAttribute("sessionid", command.getAttribute("sessionid"));
3247
3248                String formType = responseElement == null ? null : responseElement.getAttribute("type");
3249                if (!action.equals("cancel") &&
3250                    !action.equals("prev") &&
3251                    responseElement != null &&
3252                    responseElement.getName().equals("x") &&
3253                    responseElement.getNamespace().equals("jabber:x:data") &&
3254                    formType != null && formType.equals("form")) {
3255
3256                    Data form = Data.parse(responseElement);
3257                    eu.siacs.conversations.xmpp.forms.Field actionList = form.getFieldByName("http://jabber.org/protocol/commands#actions");
3258                    if (actionList != null) {
3259                        actionList.setValue(action);
3260                        c.setAttribute("action", "execute");
3261                    }
3262
3263                    if (mNode.equals("jabber:iq:register") && xmppConnectionService.isOnboarding() && form.getFieldByName("gateway-jid") != null) {
3264                        if (form.getValue("gateway-jid") == null) {
3265                            xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
3266                        } else {
3267                            xmppConnectionService.getPreferences().edit().putString("onboarding_action", form.getValue("gateway-jid")).commit();
3268                        }
3269                    }
3270
3271                    responseElement.setAttribute("type", "submit");
3272                    Element rsm = responseElement.findChild("set", "http://jabber.org/protocol/rsm");
3273                    if (rsm != null) {
3274                        Element max = new Element("max", "http://jabber.org/protocol/rsm");
3275                        max.setContent("1000");
3276                        rsm.addChild(max);
3277                    }
3278
3279                    c.addChild(responseElement);
3280                }
3281
3282                if (c.getAttribute("action") == null) c.setAttribute("action", action);
3283
3284                executing = true;
3285                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
3286                    updateWithResponse(iq);
3287                }, 120L);
3288
3289                loading();
3290                return false;
3291            }
3292
3293            public void refresh() {
3294                synchronized(this) {
3295                    if (waitingForRefresh) notifyDataSetChanged();
3296                }
3297            }
3298
3299            protected void loading() {
3300                View v = getView();
3301                try {
3302                    loadingTimer.schedule(new TimerTask() {
3303                        @Override
3304                        public void run() {
3305                            View v2 = getView();
3306                            loading = true;
3307
3308                            try {
3309                                loadingTimer.schedule(new TimerTask() {
3310                                    @Override
3311                                    public void run() {
3312                                        loadingHasBeenLong = true;
3313                                        if (v == null && v2 == null) return;
3314                                        (v == null ? v2 : v).post(() -> notifyDataSetChanged());
3315                                    }
3316                                }, 3000);
3317                            } catch (final IllegalStateException e) { }
3318
3319                            if (v == null && v2 == null) return;
3320                            (v == null ? v2 : v).post(() -> notifyDataSetChanged());
3321                        }
3322                    }, 500);
3323                } catch (final IllegalStateException e) { }
3324            }
3325
3326            protected GridLayoutManager setupLayoutManager() {
3327                int spanCount = 1;
3328
3329                Context ctx = mPager == null ? getView().getContext() : mPager.getContext();
3330                if (reported != null) {
3331                    float screenWidth = ctx.getResources().getDisplayMetrics().widthPixels;
3332                    TextPaint paint = ((TextView) LayoutInflater.from(mPager.getContext()).inflate(R.layout.command_result_cell, null)).getPaint();
3333                    float tableHeaderWidth = reported.stream().reduce(
3334                        0f,
3335                        (total, field) -> total + StaticLayout.getDesiredWidth(field.getLabel().or("--------") + "\t", paint),
3336                        (a, b) -> a + b
3337                    );
3338
3339                    spanCount = tableHeaderWidth > 0.59 * screenWidth ? 1 : this.reported.size();
3340                }
3341
3342                if (layoutManager != null && layoutManager.getSpanCount() != spanCount) {
3343                    items.clear();
3344                    notifyDataSetChanged();
3345                }
3346
3347                layoutManager = new GridLayoutManager(ctx, spanCount);
3348                layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
3349                    @Override
3350                    public int getSpanSize(int position) {
3351                        if (getItemViewType(position) != TYPE_RESULT_CELL) return layoutManager.getSpanCount();
3352                        return 1;
3353                    }
3354                });
3355                return layoutManager;
3356            }
3357
3358            protected void setBinding(CommandPageBinding b) {
3359                mBinding = b;
3360                // https://stackoverflow.com/a/32350474/8611
3361                mBinding.form.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
3362                    @Override
3363                    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
3364                        if(rv.getChildCount() > 0) {
3365                            int[] location = new int[2];
3366                            rv.getLocationOnScreen(location);
3367                            View childView = rv.findChildViewUnder(e.getX(), e.getY());
3368                            if (childView instanceof ViewGroup) {
3369                                childView = findViewAt((ViewGroup) childView, location[0] + e.getX(), location[1] + e.getY());
3370                            }
3371                            int action = e.getAction();
3372                            switch (action) {
3373                                case MotionEvent.ACTION_DOWN:
3374                                    if ((childView instanceof AbsListView && ((AbsListView) childView).canScrollList(1)) || childView instanceof WebView) {
3375                                        rv.requestDisallowInterceptTouchEvent(true);
3376                                    }
3377                                case MotionEvent.ACTION_UP:
3378                                    if ((childView instanceof AbsListView && ((AbsListView) childView).canScrollList(-11)) || childView instanceof WebView) {
3379                                        rv.requestDisallowInterceptTouchEvent(true);
3380                                    }
3381                            }
3382                        }
3383
3384                        return false;
3385                    }
3386
3387                    @Override
3388                    public void onRequestDisallowInterceptTouchEvent(boolean disallow) { }
3389
3390                    @Override
3391                    public void onTouchEvent(RecyclerView rv, MotionEvent e) { }
3392                });
3393                mBinding.form.setLayoutManager(setupLayoutManager());
3394                mBinding.form.setAdapter(this);
3395                mBinding.actions.setAdapter(actionsAdapter);
3396                mBinding.actions.setOnItemClickListener((parent, v, pos, id) -> {
3397                    if (execute(pos)) {
3398                        removeSession(CommandSession.this);
3399                    }
3400                });
3401
3402                actionsAdapter.notifyDataSetChanged();
3403
3404                if (pendingResponsePacket != null) {
3405                    final IqPacket pending = pendingResponsePacket;
3406                    pendingResponsePacket = null;
3407                    updateWithResponseUiThread(pending);
3408                }
3409            }
3410
3411            private Drawable getDrawableForSVG(SVG svg, Element svgElement, int size) {
3412               if (svgElement != null && svgElement.getChildren().size() == 1 && svgElement.getChildren().get(0).getName().equals("image"))  {
3413                   return getDrawableForUrl(svgElement.getChildren().get(0).getAttribute("href"));
3414               } else {
3415                   return xmppConnectionService.getFileBackend().drawSVG(svg, size);
3416               }
3417            }
3418
3419            private Drawable getDrawableForUrl(final String url) {
3420                final LruCache<String, Drawable> cache = xmppConnectionService.getDrawableCache();
3421                final HttpConnectionManager httpManager = xmppConnectionService.getHttpConnectionManager();
3422                final Drawable d = cache.get(url);
3423                if (Build.VERSION.SDK_INT >= 28 && d instanceof AnimatedImageDrawable) ((AnimatedImageDrawable) d).start();
3424                if (d == null) {
3425                    synchronized (CommandSession.this) {
3426                        waitingForRefresh = true;
3427                    }
3428                    int size = (int)(xmppConnectionService.getResources().getDisplayMetrics().density * 288);
3429                    Message dummy = new Message(Conversation.this, url, Message.ENCRYPTION_NONE);
3430                    dummy.setFileParams(new Message.FileParams(url));
3431                    httpManager.createNewDownloadConnection(dummy, true, (file) -> {
3432                        if (file == null) {
3433                            dummy.getTransferable().start();
3434                        } else {
3435                            try {
3436                                xmppConnectionService.getFileBackend().getThumbnail(file, xmppConnectionService.getResources(), size, false, url);
3437                            } catch (final Exception e) { }
3438                        }
3439                    });
3440                }
3441                return d;
3442            }
3443
3444            public View inflateUi(Context context, Consumer<ConversationPage> remover) {
3445                CommandPageBinding binding = DataBindingUtil.inflate(LayoutInflater.from(context), R.layout.command_page, null, false);
3446                setBinding(binding);
3447                return binding.getRoot();
3448            }
3449
3450            // https://stackoverflow.com/a/36037991/8611
3451            private View findViewAt(ViewGroup viewGroup, float x, float y) {
3452                for(int i = 0; i < viewGroup.getChildCount(); i++) {
3453                    View child = viewGroup.getChildAt(i);
3454                    if (child instanceof ViewGroup && !(child instanceof AbsListView) && !(child instanceof WebView)) {
3455                        View foundView = findViewAt((ViewGroup) child, x, y);
3456                        if (foundView != null && foundView.isShown()) {
3457                            return foundView;
3458                        }
3459                    } else {
3460                        int[] location = new int[2];
3461                        child.getLocationOnScreen(location);
3462                        Rect rect = new Rect(location[0], location[1], location[0] + child.getWidth(), location[1] + child.getHeight());
3463                        if (rect.contains((int)x, (int)y)) {
3464                            return child;
3465                        }
3466                    }
3467                }
3468
3469                return null;
3470            }
3471        }
3472
3473        class MucConfigSession extends CommandSession {
3474            MucConfigSession(XmppConnectionService xmppConnectionService) {
3475                super("Configure Channel", null, xmppConnectionService);
3476            }
3477
3478            @Override
3479            protected void updateWithResponseUiThread(final IqPacket iq) {
3480                Timer oldTimer = this.loadingTimer;
3481                this.loadingTimer = new Timer();
3482                oldTimer.cancel();
3483                this.executing = false;
3484                this.loading = false;
3485                this.loadingHasBeenLong = false;
3486                this.responseElement = null;
3487                this.fillableFieldCount = 0;
3488                this.reported = null;
3489                this.response = iq;
3490                this.items.clear();
3491                this.actionsAdapter.clear();
3492                layoutManager.setSpanCount(1);
3493
3494                final Element query = iq.findChild("query", "http://jabber.org/protocol/muc#owner");
3495                if (iq.getType() == IqPacket.TYPE.RESULT && query != null) {
3496                    final Data form = Data.parse(query.findChild("x", "jabber:x:data"));
3497                    final String title = form.getTitle();
3498                    if (title != null) {
3499                        mTitle = title;
3500                        ConversationPagerAdapter.this.notifyDataSetChanged();
3501                    }
3502
3503                    this.responseElement = form;
3504                    setupReported(form.findChild("reported", "jabber:x:data"));
3505                    if (mBinding != null) mBinding.form.setLayoutManager(setupLayoutManager());
3506
3507                    if (actionsAdapter.countExceptCancel() < 1) {
3508                        actionsAdapter.add(Pair.create("save", "Save"));
3509                    }
3510
3511                    if (actionsAdapter.getPosition("cancel") < 0) {
3512                        actionsAdapter.insert(Pair.create("cancel", "cancel"), 0);
3513                    }
3514                } else if (iq.getType() == IqPacket.TYPE.RESULT) {
3515                    expectingRemoval = true;
3516                    removeSession(this);
3517                    return;
3518                } else {
3519                    actionsAdapter.add(Pair.create("close", "close"));
3520                }
3521
3522                notifyDataSetChanged();
3523            }
3524
3525            @Override
3526            public synchronized boolean execute(String action) {
3527                if ("cancel".equals(action)) {
3528                    final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
3529                    packet.setTo(response.getFrom());
3530                    final Element form = packet
3531                        .addChild("query", "http://jabber.org/protocol/muc#owner")
3532                        .addChild("x", "jabber:x:data");
3533                    form.setAttribute("type", "cancel");
3534                    xmppConnectionService.sendIqPacket(getAccount(), packet, null);
3535                    return true;
3536                }
3537
3538                if (!"save".equals(action)) return true;
3539
3540                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
3541                packet.setTo(response.getFrom());
3542
3543                String formType = responseElement == null ? null : responseElement.getAttribute("type");
3544                if (responseElement != null &&
3545                    responseElement.getName().equals("x") &&
3546                    responseElement.getNamespace().equals("jabber:x:data") &&
3547                    formType != null && formType.equals("form")) {
3548
3549                    responseElement.setAttribute("type", "submit");
3550                    packet
3551                        .addChild("query", "http://jabber.org/protocol/muc#owner")
3552                        .addChild(responseElement);
3553                }
3554
3555                executing = true;
3556                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
3557                    updateWithResponse(iq);
3558                }, 120L);
3559
3560                loading();
3561
3562                return false;
3563            }
3564        }
3565    }
3566
3567    public static class Thread {
3568        protected Message subject = null;
3569        protected Message first = null;
3570        protected Message last = null;
3571        protected final String threadId;
3572
3573        protected Thread(final String threadId) {
3574            this.threadId = threadId;
3575        }
3576
3577        public String getThreadId() {
3578            return threadId;
3579        }
3580
3581        public String getSubject() {
3582            if (subject == null) return null;
3583
3584            return subject.getSubject();
3585        }
3586
3587        public String getDisplay() {
3588            final String s = getSubject();
3589            if (s != null) return s;
3590
3591            if (first != null) {
3592                return first.getBody();
3593            }
3594
3595            return "";
3596        }
3597
3598        public long getLastTime() {
3599            if (last == null) return 0;
3600
3601            return last.getTimeSent();
3602        }
3603    }
3604}