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.BitmapDrawable;
  10import android.graphics.Bitmap;
  11import android.graphics.Canvas;
  12import android.graphics.Rect;
  13import android.net.Uri;
  14import android.text.Editable;
  15import android.text.InputType;
  16import android.text.SpannableStringBuilder;
  17import android.text.Spanned;
  18import android.text.StaticLayout;
  19import android.text.TextPaint;
  20import android.text.TextUtils;
  21import android.text.TextWatcher;
  22import android.view.LayoutInflater;
  23import android.view.MotionEvent;
  24import android.view.Gravity;
  25import android.view.View;
  26import android.view.ViewGroup;
  27import android.widget.AbsListView;
  28import android.widget.ArrayAdapter;
  29import android.widget.AdapterView;
  30import android.widget.Button;
  31import android.widget.CompoundButton;
  32import android.widget.GridLayout;
  33import android.widget.ListView;
  34import android.widget.TextView;
  35import android.widget.Toast;
  36import android.widget.Spinner;
  37import android.webkit.JavascriptInterface;
  38import android.webkit.WebMessage;
  39import android.webkit.WebView;
  40import android.webkit.WebViewClient;
  41import android.webkit.WebChromeClient;
  42import android.util.DisplayMetrics;
  43import android.util.Pair;
  44import android.util.SparseArray;
  45
  46import androidx.annotation.NonNull;
  47import androidx.annotation.Nullable;
  48import androidx.appcompat.app.AlertDialog;
  49import androidx.appcompat.app.AlertDialog.Builder;
  50import androidx.core.content.ContextCompat;
  51import androidx.databinding.DataBindingUtil;
  52import androidx.databinding.ViewDataBinding;
  53import androidx.viewpager.widget.PagerAdapter;
  54import androidx.recyclerview.widget.RecyclerView;
  55import androidx.recyclerview.widget.GridLayoutManager;
  56import androidx.viewpager.widget.ViewPager;
  57
  58import com.caverock.androidsvg.SVG;
  59
  60import com.google.android.material.tabs.TabLayout;
  61import com.google.android.material.textfield.TextInputLayout;
  62import com.google.common.base.Optional;
  63import com.google.common.collect.ComparisonChain;
  64import com.google.common.collect.Lists;
  65
  66import org.json.JSONArray;
  67import org.json.JSONException;
  68import org.json.JSONObject;
  69
  70import java.util.ArrayList;
  71import java.util.Collections;
  72import java.util.Iterator;
  73import java.util.HashSet;
  74import java.util.List;
  75import java.util.ListIterator;
  76import java.util.concurrent.atomic.AtomicBoolean;
  77import java.util.stream.Collectors;
  78import java.util.Set;
  79import java.util.Timer;
  80import java.util.TimerTask;
  81
  82import me.saket.bettermovementmethod.BetterLinkMovementMethod;
  83
  84import eu.siacs.conversations.Config;
  85import eu.siacs.conversations.R;
  86import eu.siacs.conversations.crypto.OmemoSetting;
  87import eu.siacs.conversations.crypto.PgpDecryptionService;
  88import eu.siacs.conversations.databinding.CommandButtonGridFieldBinding;
  89import eu.siacs.conversations.databinding.CommandCheckboxFieldBinding;
  90import eu.siacs.conversations.databinding.CommandItemCardBinding;
  91import eu.siacs.conversations.databinding.CommandNoteBinding;
  92import eu.siacs.conversations.databinding.CommandPageBinding;
  93import eu.siacs.conversations.databinding.CommandProgressBarBinding;
  94import eu.siacs.conversations.databinding.CommandRadioEditFieldBinding;
  95import eu.siacs.conversations.databinding.CommandResultCellBinding;
  96import eu.siacs.conversations.databinding.CommandResultFieldBinding;
  97import eu.siacs.conversations.databinding.CommandSearchListFieldBinding;
  98import eu.siacs.conversations.databinding.CommandSpinnerFieldBinding;
  99import eu.siacs.conversations.databinding.CommandTextFieldBinding;
 100import eu.siacs.conversations.databinding.CommandWebviewBinding;
 101import eu.siacs.conversations.databinding.DialogQuickeditBinding;
 102import eu.siacs.conversations.persistance.DatabaseBackend;
 103import eu.siacs.conversations.services.AvatarService;
 104import eu.siacs.conversations.services.QuickConversationsService;
 105import eu.siacs.conversations.services.XmppConnectionService;
 106import eu.siacs.conversations.ui.UriHandlerActivity;
 107import eu.siacs.conversations.ui.text.FixedURLSpan;
 108import eu.siacs.conversations.ui.util.ShareUtil;
 109import eu.siacs.conversations.ui.util.SoftKeyboardUtils;
 110import eu.siacs.conversations.utils.JidHelper;
 111import eu.siacs.conversations.utils.MessageUtils;
 112import eu.siacs.conversations.utils.UIHelper;
 113import eu.siacs.conversations.xml.Element;
 114import eu.siacs.conversations.xml.Namespace;
 115import eu.siacs.conversations.xmpp.Jid;
 116import eu.siacs.conversations.xmpp.chatstate.ChatState;
 117import eu.siacs.conversations.xmpp.forms.Data;
 118import eu.siacs.conversations.xmpp.forms.Option;
 119import eu.siacs.conversations.xmpp.mam.MamReference;
 120import eu.siacs.conversations.xmpp.stanzas.IqPacket;
 121
 122import static eu.siacs.conversations.entities.Bookmark.printableValue;
 123
 124
 125public class Conversation extends AbstractEntity implements Blockable, Comparable<Conversation>, Conversational, AvatarService.Avatarable {
 126    public static final String TABLENAME = "conversations";
 127
 128    public static final int STATUS_AVAILABLE = 0;
 129    public static final int STATUS_ARCHIVED = 1;
 130
 131    public static final String NAME = "name";
 132    public static final String ACCOUNT = "accountUuid";
 133    public static final String CONTACT = "contactUuid";
 134    public static final String CONTACTJID = "contactJid";
 135    public static final String STATUS = "status";
 136    public static final String CREATED = "created";
 137    public static final String MODE = "mode";
 138    public static final String ATTRIBUTES = "attributes";
 139
 140    public static final String ATTRIBUTE_MUTED_TILL = "muted_till";
 141    public static final String ATTRIBUTE_ALWAYS_NOTIFY = "always_notify";
 142    public static final String ATTRIBUTE_LAST_CLEAR_HISTORY = "last_clear_history";
 143    public static final String ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS = "formerly_private_non_anonymous";
 144    public static final String ATTRIBUTE_PINNED_ON_TOP = "pinned_on_top";
 145    static final String ATTRIBUTE_MUC_PASSWORD = "muc_password";
 146    static final String ATTRIBUTE_MEMBERS_ONLY = "members_only";
 147    static final String ATTRIBUTE_MODERATED = "moderated";
 148    static final String ATTRIBUTE_NON_ANONYMOUS = "non_anonymous";
 149    private static final String ATTRIBUTE_NEXT_MESSAGE = "next_message";
 150    private static final String ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP = "next_message_timestamp";
 151    private static final String ATTRIBUTE_CRYPTO_TARGETS = "crypto_targets";
 152    private static final String ATTRIBUTE_NEXT_ENCRYPTION = "next_encryption";
 153    private static final String ATTRIBUTE_CORRECTING_MESSAGE = "correcting_message";
 154    protected final ArrayList<Message> messages = new ArrayList<>();
 155    public AtomicBoolean messagesLoaded = new AtomicBoolean(true);
 156    protected Account account = null;
 157    private String draftMessage;
 158    private final String name;
 159    private final String contactUuid;
 160    private final String accountUuid;
 161    private Jid contactJid;
 162    private int status;
 163    private final long created;
 164    private int mode;
 165    private JSONObject attributes;
 166    private Jid nextCounterpart;
 167    private transient MucOptions mucOptions = null;
 168    private boolean messagesLeftOnServer = true;
 169    private ChatState mOutgoingChatState = Config.DEFAULT_CHAT_STATE;
 170    private ChatState mIncomingChatState = Config.DEFAULT_CHAT_STATE;
 171    private String mFirstMamReference = null;
 172    protected int mCurrentTab = -1;
 173    protected ConversationPagerAdapter pagerAdapter = new ConversationPagerAdapter();
 174    protected Element thread = null;
 175    protected boolean lockThread = false;
 176    protected boolean userSelectedThread = false;
 177    protected Message replyTo = null;
 178
 179    public Conversation(final String name, final Account account, final Jid contactJid,
 180                        final int mode) {
 181        this(java.util.UUID.randomUUID().toString(), name, null, account
 182                        .getUuid(), contactJid, System.currentTimeMillis(),
 183                STATUS_AVAILABLE, mode, "");
 184        this.account = account;
 185    }
 186
 187    public Conversation(final String uuid, final String name, final String contactUuid,
 188                        final String accountUuid, final Jid contactJid, final long created, final int status,
 189                        final int mode, final String attributes) {
 190        this.uuid = uuid;
 191        this.name = name;
 192        this.contactUuid = contactUuid;
 193        this.accountUuid = accountUuid;
 194        this.contactJid = contactJid;
 195        this.created = created;
 196        this.status = status;
 197        this.mode = mode;
 198        try {
 199            this.attributes = new JSONObject(attributes == null ? "" : attributes);
 200        } catch (JSONException e) {
 201            this.attributes = new JSONObject();
 202        }
 203    }
 204
 205    public static Conversation fromCursor(Cursor cursor) {
 206        return new Conversation(cursor.getString(cursor.getColumnIndex(UUID)),
 207                cursor.getString(cursor.getColumnIndex(NAME)),
 208                cursor.getString(cursor.getColumnIndex(CONTACT)),
 209                cursor.getString(cursor.getColumnIndex(ACCOUNT)),
 210                JidHelper.parseOrFallbackToInvalid(cursor.getString(cursor.getColumnIndex(CONTACTJID))),
 211                cursor.getLong(cursor.getColumnIndex(CREATED)),
 212                cursor.getInt(cursor.getColumnIndex(STATUS)),
 213                cursor.getInt(cursor.getColumnIndex(MODE)),
 214                cursor.getString(cursor.getColumnIndex(ATTRIBUTES)));
 215    }
 216
 217    public static Message getLatestMarkableMessage(final List<Message> messages, boolean isPrivateAndNonAnonymousMuc) {
 218        for (int i = messages.size() - 1; i >= 0; --i) {
 219            final Message message = messages.get(i);
 220            if (message.getStatus() <= Message.STATUS_RECEIVED
 221                    && (message.markable || isPrivateAndNonAnonymousMuc)
 222                    && !message.isPrivateMessage()) {
 223                return message;
 224            }
 225        }
 226        return null;
 227    }
 228
 229    private static boolean suitableForOmemoByDefault(final Conversation conversation) {
 230        if (conversation.getJid().asBareJid().equals(Config.BUG_REPORTS)) {
 231            return false;
 232        }
 233        if (conversation.getContact().isOwnServer()) {
 234            return false;
 235        }
 236        final String contact = conversation.getJid().getDomain().toEscapedString();
 237        final String account = conversation.getAccount().getServer();
 238        if (Config.OMEMO_EXCEPTIONS.matchesContactDomain(contact) || Config.OMEMO_EXCEPTIONS.ACCOUNT_DOMAINS.contains(account)) {
 239            return false;
 240        }
 241        return conversation.isSingleOrPrivateAndNonAnonymous() || conversation.getBooleanAttribute(ATTRIBUTE_FORMERLY_PRIVATE_NON_ANONYMOUS, false);
 242    }
 243
 244    public boolean hasMessagesLeftOnServer() {
 245        return messagesLeftOnServer;
 246    }
 247
 248    public void setHasMessagesLeftOnServer(boolean value) {
 249        this.messagesLeftOnServer = value;
 250    }
 251
 252    public Message getFirstUnreadMessage() {
 253        Message first = null;
 254        synchronized (this.messages) {
 255            for (int i = messages.size() - 1; i >= 0; --i) {
 256                if (messages.get(i).isRead()) {
 257                    return first;
 258                } else {
 259                    first = messages.get(i);
 260                }
 261            }
 262        }
 263        return first;
 264    }
 265
 266    public String findMostRecentRemoteDisplayableId() {
 267        final boolean multi = mode == Conversation.MODE_MULTI;
 268        synchronized (this.messages) {
 269            for (final Message message : Lists.reverse(this.messages)) {
 270                if (message.getStatus() == Message.STATUS_RECEIVED) {
 271                    final String serverMsgId = message.getServerMsgId();
 272                    if (serverMsgId != null && multi) {
 273                        return serverMsgId;
 274                    }
 275                    return message.getRemoteMsgId();
 276                }
 277            }
 278        }
 279        return null;
 280    }
 281
 282    public int countFailedDeliveries() {
 283        int count = 0;
 284        synchronized (this.messages) {
 285            for(final Message message : this.messages) {
 286                if (message.getStatus() == Message.STATUS_SEND_FAILED) {
 287                    ++count;
 288                }
 289            }
 290        }
 291        return count;
 292    }
 293
 294    public Message getLastEditableMessage() {
 295        synchronized (this.messages) {
 296            for (final Message message : Lists.reverse(this.messages)) {
 297                if (message.isEditable()) {
 298                    if (message.isGeoUri() || message.getType() != Message.TYPE_TEXT) {
 299                        return null;
 300                    }
 301                    return message;
 302                }
 303            }
 304        }
 305        return null;
 306    }
 307
 308
 309    public Message findUnsentMessageWithUuid(String uuid) {
 310        synchronized (this.messages) {
 311            for (final Message message : this.messages) {
 312                final int s = message.getStatus();
 313                if ((s == Message.STATUS_UNSEND || s == Message.STATUS_WAITING) && message.getUuid().equals(uuid)) {
 314                    return message;
 315                }
 316            }
 317        }
 318        return null;
 319    }
 320
 321    public void findWaitingMessages(OnMessageFound onMessageFound) {
 322        final ArrayList<Message> results = new ArrayList<>();
 323        synchronized (this.messages) {
 324            for (Message message : this.messages) {
 325                if (message.getStatus() == Message.STATUS_WAITING) {
 326                    results.add(message);
 327                }
 328            }
 329        }
 330        for (Message result : results) {
 331            onMessageFound.onMessageFound(result);
 332        }
 333    }
 334
 335    public void findUnreadMessagesAndCalls(OnMessageFound onMessageFound) {
 336        final ArrayList<Message> results = new ArrayList<>();
 337        synchronized (this.messages) {
 338            for (final Message message : this.messages) {
 339                if (message.isRead()) {
 340                    continue;
 341                }
 342                results.add(message);
 343            }
 344        }
 345        for (final Message result : results) {
 346            onMessageFound.onMessageFound(result);
 347        }
 348    }
 349
 350    public Message findMessageWithFileAndUuid(final String uuid) {
 351        synchronized (this.messages) {
 352            for (final Message message : this.messages) {
 353                final Transferable transferable = message.getTransferable();
 354                final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
 355                if (message.getUuid().equals(uuid)
 356                        && message.getEncryption() != Message.ENCRYPTION_PGP
 357                        && (message.isFileOrImage() || message.treatAsDownloadable() || unInitiatedButKnownSize || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING))) {
 358                    return message;
 359                }
 360            }
 361        }
 362        return null;
 363    }
 364
 365    public Message findMessageWithUuid(final String uuid) {
 366        synchronized (this.messages) {
 367            for (final Message message : this.messages) {
 368                if (message.getUuid().equals(uuid)) {
 369                    return message;
 370                }
 371            }
 372        }
 373        return null;
 374    }
 375
 376    public boolean markAsDeleted(final List<String> uuids) {
 377        boolean deleted = false;
 378        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 379        synchronized (this.messages) {
 380            for (Message message : this.messages) {
 381                if (uuids.contains(message.getUuid())) {
 382                    message.setDeleted(true);
 383                    deleted = true;
 384                    if (message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 385                        pgpDecryptionService.discard(message);
 386                    }
 387                }
 388            }
 389        }
 390        return deleted;
 391    }
 392
 393    public boolean markAsChanged(final List<DatabaseBackend.FilePathInfo> files) {
 394        boolean changed = false;
 395        final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 396        synchronized (this.messages) {
 397            for (Message message : this.messages) {
 398                for (final DatabaseBackend.FilePathInfo file : files)
 399                    if (file.uuid.toString().equals(message.getUuid())) {
 400                        message.setDeleted(file.deleted);
 401                        changed = true;
 402                        if (file.deleted && message.getEncryption() == Message.ENCRYPTION_PGP && pgpDecryptionService != null) {
 403                            pgpDecryptionService.discard(message);
 404                        }
 405                    }
 406            }
 407        }
 408        return changed;
 409    }
 410
 411    public void clearMessages() {
 412        synchronized (this.messages) {
 413            this.messages.clear();
 414        }
 415    }
 416
 417    public boolean setIncomingChatState(ChatState state) {
 418        if (this.mIncomingChatState == state) {
 419            return false;
 420        }
 421        this.mIncomingChatState = state;
 422        return true;
 423    }
 424
 425    public ChatState getIncomingChatState() {
 426        return this.mIncomingChatState;
 427    }
 428
 429    public boolean setOutgoingChatState(ChatState state) {
 430        if (mode == MODE_SINGLE && !getContact().isSelf() || (isPrivateAndNonAnonymous() && getNextCounterpart() == null)) {
 431            if (this.mOutgoingChatState != state) {
 432                this.mOutgoingChatState = state;
 433                return true;
 434            }
 435        }
 436        return false;
 437    }
 438
 439    public ChatState getOutgoingChatState() {
 440        return this.mOutgoingChatState;
 441    }
 442
 443    public void trim() {
 444        synchronized (this.messages) {
 445            final int size = messages.size();
 446            final int maxsize = Config.PAGE_SIZE * Config.MAX_NUM_PAGES;
 447            if (size > maxsize) {
 448                List<Message> discards = this.messages.subList(0, size - maxsize);
 449                final PgpDecryptionService pgpDecryptionService = account.getPgpDecryptionService();
 450                if (pgpDecryptionService != null) {
 451                    pgpDecryptionService.discard(discards);
 452                }
 453                discards.clear();
 454                untieMessages();
 455            }
 456        }
 457    }
 458
 459    public void findUnsentTextMessages(OnMessageFound onMessageFound) {
 460        final ArrayList<Message> results = new ArrayList<>();
 461        synchronized (this.messages) {
 462            for (Message message : this.messages) {
 463                if ((message.getType() == Message.TYPE_TEXT || message.hasFileOnRemoteHost()) && message.getStatus() == Message.STATUS_UNSEND) {
 464                    results.add(message);
 465                }
 466            }
 467        }
 468        for (Message result : results) {
 469            onMessageFound.onMessageFound(result);
 470        }
 471    }
 472
 473    public Message findSentMessageWithUuidOrRemoteId(String id) {
 474        synchronized (this.messages) {
 475            for (Message message : this.messages) {
 476                if (id.equals(message.getUuid())
 477                        || (message.getStatus() >= Message.STATUS_SEND
 478                        && id.equals(message.getRemoteMsgId()))) {
 479                    return message;
 480                }
 481            }
 482        }
 483        return null;
 484    }
 485
 486    public Message findMessageWithRemoteIdAndCounterpart(String id, Jid counterpart) {
 487        synchronized (this.messages) {
 488            for (int i = this.messages.size() - 1; i >= 0; --i) {
 489                final Message message = messages.get(i);
 490                final Jid mcp = message.getCounterpart();
 491                if (mcp == null && counterpart != null) {
 492                    continue;
 493                }
 494                if (counterpart == null || mcp.equals(counterpart) || mcp.asBareJid().equals(counterpart)) {
 495                    final boolean idMatch = id.equals(message.getUuid()) || id.equals(message.getRemoteMsgId()) || message.remoteMsgIdMatchInEdit(id) || (getMode() == MODE_MULTI && id.equals(message.getServerMsgId()));
 496                    if (idMatch) return message;
 497                }
 498            }
 499        }
 500        return null;
 501    }
 502
 503    public Message findSentMessageWithUuid(String id) {
 504        synchronized (this.messages) {
 505            for (Message message : this.messages) {
 506                if (id.equals(message.getUuid())) {
 507                    return message;
 508                }
 509            }
 510        }
 511        return null;
 512    }
 513
 514    public Message findMessageWithRemoteId(String id, Jid counterpart) {
 515        synchronized (this.messages) {
 516            for (Message message : this.messages) {
 517                if (counterpart.equals(message.getCounterpart())
 518                        && (id.equals(message.getRemoteMsgId()) || id.equals(message.getUuid()))) {
 519                    return message;
 520                }
 521            }
 522        }
 523        return null;
 524    }
 525
 526    public Message findMessageWithServerMsgId(String id) {
 527        synchronized (this.messages) {
 528            for (Message message : this.messages) {
 529                if (id != null && id.equals(message.getServerMsgId())) {
 530                    return message;
 531                }
 532            }
 533        }
 534        return null;
 535    }
 536
 537    public boolean hasMessageWithCounterpart(Jid counterpart) {
 538        synchronized (this.messages) {
 539            for (Message message : this.messages) {
 540                if (counterpart.equals(message.getCounterpart())) {
 541                    return true;
 542                }
 543            }
 544        }
 545        return false;
 546    }
 547
 548    public Message findMessageReactingTo(String id, Jid reactor) {
 549        if (id == null) return null;
 550
 551        synchronized (this.messages) {
 552            for (int i = this.messages.size() - 1; i >= 0; --i) {
 553                final Message message = messages.get(i);
 554                if (reactor == null && message.getStatus() < Message.STATUS_SEND) continue;
 555                if (reactor != null && !(message.getCounterpart().equals(reactor) || message.getCounterpart().asBareJid().equals(reactor))) continue;
 556
 557                final Element r = message.getReactions();
 558                if (r != null && r.getAttribute("id") != null && id.equals(r.getAttribute("id"))) {
 559                    return message;
 560                }
 561            }
 562        }
 563        return null;
 564    }
 565
 566    public Set<String> findReactionsTo(String id, Jid reactor) {
 567        Set<String> reactionEmoji = new HashSet<>();
 568        Message reactM = findMessageReactingTo(id, reactor);
 569        Element reactions = reactM == null ? null : reactM.getReactions();
 570        if (reactions != null) {
 571            for (Element el : reactions.getChildren()) {
 572                if (el.getName().equals("reaction") && el.getNamespace().equals("urn:xmpp:reactions:0")) {
 573                    reactionEmoji.add(el.getContent());
 574                }
 575            }
 576        }
 577        return reactionEmoji;
 578    }
 579
 580    public long loadMoreTimestamp() {
 581        if (messages.size() < 1) return 0;
 582        if (getLockThread() && messages.size() > 5000) return 0;
 583
 584        if (messages.get(0).getType() == Message.TYPE_STATUS && messages.size() >= 2) {
 585            return messages.get(1).getTimeSent();
 586        } else {
 587            return messages.get(0).getTimeSent();
 588        }
 589    }
 590
 591    public void populateWithMessages(final List<Message> messages) {
 592        synchronized (this.messages) {
 593            messages.clear();
 594            messages.addAll(this.messages);
 595        }
 596        Set<String> extraIds = new HashSet<>();
 597        for (ListIterator<Message> iterator = messages.listIterator(messages.size()); iterator.hasPrevious(); ) {
 598            Message m = iterator.previous();
 599            if (m.wasMergedIntoPrevious() || (getLockThread() && !extraIds.contains(m.replyId()) && (m.getThread() == null || !m.getThread().getContent().equals(getThread().getContent())))) {
 600                iterator.remove();
 601            } else if (getLockThread() && m.getThread() != null) {
 602                Element reply = m.getReply();
 603                if (reply != null && reply.getAttribute("id") != null) extraIds.add(reply.getAttribute("id"));
 604                Element reactions = m.getReactions();
 605                if (reactions != null && reactions.getAttribute("id") != null) extraIds.add(reactions.getAttribute("id"));
 606            }
 607        }
 608    }
 609
 610    @Override
 611    public boolean isBlocked() {
 612        return getContact().isBlocked();
 613    }
 614
 615    @Override
 616    public boolean isDomainBlocked() {
 617        return getContact().isDomainBlocked();
 618    }
 619
 620    @Override
 621    public Jid getBlockedJid() {
 622        return getContact().getBlockedJid();
 623    }
 624
 625    public int countMessages() {
 626        synchronized (this.messages) {
 627            return this.messages.size();
 628        }
 629    }
 630
 631    public String getFirstMamReference() {
 632        return this.mFirstMamReference;
 633    }
 634
 635    public void setFirstMamReference(String reference) {
 636        this.mFirstMamReference = reference;
 637    }
 638
 639    public void setLastClearHistory(long time, String reference) {
 640        if (reference != null) {
 641            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time + ":" + reference);
 642        } else {
 643            setAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY, time);
 644        }
 645    }
 646
 647    public MamReference getLastClearHistory() {
 648        return MamReference.fromAttribute(getAttribute(ATTRIBUTE_LAST_CLEAR_HISTORY));
 649    }
 650
 651    public List<Jid> getAcceptedCryptoTargets() {
 652        if (mode == MODE_SINGLE) {
 653            return Collections.singletonList(getJid().asBareJid());
 654        } else {
 655            return getJidListAttribute(ATTRIBUTE_CRYPTO_TARGETS);
 656        }
 657    }
 658
 659    public void setAcceptedCryptoTargets(List<Jid> acceptedTargets) {
 660        setAttribute(ATTRIBUTE_CRYPTO_TARGETS, acceptedTargets);
 661    }
 662
 663    public boolean setCorrectingMessage(Message correctingMessage) {
 664        setAttribute(ATTRIBUTE_CORRECTING_MESSAGE, correctingMessage == null ? null : correctingMessage.getUuid());
 665        return correctingMessage == null && draftMessage != null;
 666    }
 667
 668    public Message getCorrectingMessage() {
 669        final String uuid = getAttribute(ATTRIBUTE_CORRECTING_MESSAGE);
 670        return uuid == null ? null : findSentMessageWithUuid(uuid);
 671    }
 672
 673    public boolean withSelf() {
 674        return getContact().isSelf();
 675    }
 676
 677    @Override
 678    public int compareTo(@NonNull Conversation another) {
 679        return ComparisonChain.start()
 680                .compareFalseFirst(another.getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false), getBooleanAttribute(ATTRIBUTE_PINNED_ON_TOP, false))
 681                .compare(another.getSortableTime(), getSortableTime())
 682                .result();
 683    }
 684
 685    private long getSortableTime() {
 686        Draft draft = getDraft();
 687        long messageTime = getLatestMessage().getTimeReceived();
 688        if (draft == null) {
 689            return messageTime;
 690        } else {
 691            return Math.max(messageTime, draft.getTimestamp());
 692        }
 693    }
 694
 695    public String getDraftMessage() {
 696        return draftMessage;
 697    }
 698
 699    public void setDraftMessage(String draftMessage) {
 700        this.draftMessage = draftMessage;
 701    }
 702
 703    public Element getThread() {
 704        return this.thread;
 705    }
 706
 707    public void setThread(Element thread) {
 708        this.thread = thread;
 709    }
 710
 711    public void setLockThread(boolean flag) {
 712        this.lockThread = flag;
 713        if (flag) setUserSelectedThread(true);
 714    }
 715
 716    public boolean getLockThread() {
 717        return this.lockThread;
 718    }
 719
 720    public void setUserSelectedThread(boolean flag) {
 721        this.userSelectedThread = flag;
 722    }
 723
 724    public boolean getUserSelectedThread() {
 725        return this.userSelectedThread;
 726    }
 727
 728    public void setReplyTo(Message m) {
 729        this.replyTo = m;
 730    }
 731
 732    public Message getReplyTo() {
 733        return this.replyTo;
 734    }
 735
 736    public boolean isRead() {
 737        synchronized (this.messages) {
 738            for(final Message message : Lists.reverse(this.messages)) {
 739                if (message.isRead() && message.getType() == Message.TYPE_RTP_SESSION) {
 740                    continue;
 741                }
 742                return message.isRead();
 743            }
 744            return true;
 745        }
 746    }
 747
 748    public List<Message> markRead(String upToUuid) {
 749        final List<Message> unread = new ArrayList<>();
 750        synchronized (this.messages) {
 751            for (Message message : this.messages) {
 752                if (!message.isRead()) {
 753                    message.markRead();
 754                    unread.add(message);
 755                }
 756                if (message.getUuid().equals(upToUuid)) {
 757                    return unread;
 758                }
 759            }
 760        }
 761        return unread;
 762    }
 763
 764    public Message getLatestMessage() {
 765        synchronized (this.messages) {
 766            if (this.messages.size() == 0) {
 767                Message message = new Message(this, "", Message.ENCRYPTION_NONE);
 768                message.setType(Message.TYPE_STATUS);
 769                message.setTime(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
 770                message.setTimeReceived(Math.max(getCreated(), getLastClearHistory().getTimestamp()));
 771                return message;
 772            } else {
 773                return this.messages.get(this.messages.size() - 1);
 774            }
 775        }
 776    }
 777
 778    public @NonNull
 779    CharSequence getName() {
 780        if (getMode() == MODE_MULTI) {
 781            final String roomName = getMucOptions().getName();
 782            final String subject = getMucOptions().getSubject();
 783            final Bookmark bookmark = getBookmark();
 784            final String bookmarkName = bookmark != null ? bookmark.getBookmarkName() : null;
 785            if (printableValue(roomName)) {
 786                return roomName;
 787            } else if (printableValue(subject)) {
 788                return subject;
 789            } else if (printableValue(bookmarkName, false)) {
 790                return bookmarkName;
 791            } else {
 792                final String generatedName = getMucOptions().createNameFromParticipants();
 793                if (printableValue(generatedName)) {
 794                    return generatedName;
 795                } else {
 796                    return contactJid.getLocal() != null ? contactJid.getLocal() : contactJid;
 797                }
 798            }
 799        } else if ((QuickConversationsService.isConversations() || !Config.QUICKSY_DOMAIN.equals(contactJid.getDomain())) && isWithStranger()) {
 800            return contactJid;
 801        } else {
 802            return this.getContact().getDisplayName();
 803        }
 804    }
 805
 806    public String getAccountUuid() {
 807        return this.accountUuid;
 808    }
 809
 810    public Account getAccount() {
 811        return this.account;
 812    }
 813
 814    public void setAccount(final Account account) {
 815        this.account = account;
 816    }
 817
 818    public Contact getContact() {
 819        return this.account.getRoster().getContact(this.contactJid);
 820    }
 821
 822    @Override
 823    public Jid getJid() {
 824        return this.contactJid;
 825    }
 826
 827    public int getStatus() {
 828        return this.status;
 829    }
 830
 831    public void setStatus(int status) {
 832        this.status = status;
 833    }
 834
 835    public long getCreated() {
 836        return this.created;
 837    }
 838
 839    public ContentValues getContentValues() {
 840        ContentValues values = new ContentValues();
 841        values.put(UUID, uuid);
 842        values.put(NAME, name);
 843        values.put(CONTACT, contactUuid);
 844        values.put(ACCOUNT, accountUuid);
 845        values.put(CONTACTJID, contactJid.toString());
 846        values.put(CREATED, created);
 847        values.put(STATUS, status);
 848        values.put(MODE, mode);
 849        synchronized (this.attributes) {
 850            values.put(ATTRIBUTES, attributes.toString());
 851        }
 852        return values;
 853    }
 854
 855    public int getMode() {
 856        return this.mode;
 857    }
 858
 859    public void setMode(int mode) {
 860        this.mode = mode;
 861    }
 862
 863    /**
 864     * short for is Private and Non-anonymous
 865     */
 866    public boolean isSingleOrPrivateAndNonAnonymous() {
 867        return mode == MODE_SINGLE || isPrivateAndNonAnonymous();
 868    }
 869
 870    public boolean isPrivateAndNonAnonymous() {
 871        return getMucOptions().isPrivateAndNonAnonymous();
 872    }
 873
 874    public synchronized MucOptions getMucOptions() {
 875        if (this.mucOptions == null) {
 876            this.mucOptions = new MucOptions(this);
 877        }
 878        return this.mucOptions;
 879    }
 880
 881    public void resetMucOptions() {
 882        this.mucOptions = null;
 883    }
 884
 885    public void setContactJid(final Jid jid) {
 886        this.contactJid = jid;
 887    }
 888
 889    public Jid getNextCounterpart() {
 890        return this.nextCounterpart;
 891    }
 892
 893    public void setNextCounterpart(Jid jid) {
 894        this.nextCounterpart = jid;
 895    }
 896
 897    public int getNextEncryption() {
 898        if (!Config.supportOmemo() && !Config.supportOpenPgp()) {
 899            return Message.ENCRYPTION_NONE;
 900        }
 901        if (OmemoSetting.isAlways()) {
 902            return suitableForOmemoByDefault(this) ? Message.ENCRYPTION_AXOLOTL : Message.ENCRYPTION_NONE;
 903        }
 904        final int defaultEncryption;
 905        if (suitableForOmemoByDefault(this)) {
 906            defaultEncryption = OmemoSetting.getEncryption();
 907        } else {
 908            defaultEncryption = Message.ENCRYPTION_NONE;
 909        }
 910        int encryption = this.getIntAttribute(ATTRIBUTE_NEXT_ENCRYPTION, defaultEncryption);
 911        if (encryption == Message.ENCRYPTION_OTR || encryption < 0) {
 912            return defaultEncryption;
 913        } else {
 914            return encryption;
 915        }
 916    }
 917
 918    public boolean setNextEncryption(int encryption) {
 919        return this.setAttribute(ATTRIBUTE_NEXT_ENCRYPTION, encryption);
 920    }
 921
 922    public String getNextMessage() {
 923        final String nextMessage = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
 924        return nextMessage == null ? "" : nextMessage;
 925    }
 926
 927    public @Nullable
 928    Draft getDraft() {
 929        long timestamp = getLongAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, 0);
 930        if (timestamp > getLatestMessage().getTimeSent()) {
 931            String message = getAttribute(ATTRIBUTE_NEXT_MESSAGE);
 932            if (!TextUtils.isEmpty(message) && timestamp != 0) {
 933                return new Draft(message, timestamp);
 934            }
 935        }
 936        return null;
 937    }
 938
 939    public boolean setNextMessage(final String input) {
 940        final String message = input == null || input.trim().isEmpty() ? null : input;
 941        boolean changed = !getNextMessage().equals(message);
 942        this.setAttribute(ATTRIBUTE_NEXT_MESSAGE, message);
 943        if (changed) {
 944            this.setAttribute(ATTRIBUTE_NEXT_MESSAGE_TIMESTAMP, message == null ? 0 : System.currentTimeMillis());
 945        }
 946        return changed;
 947    }
 948
 949    public Bookmark getBookmark() {
 950        return this.account.getBookmark(this.contactJid);
 951    }
 952
 953    public Message findDuplicateMessage(Message message) {
 954        synchronized (this.messages) {
 955            for (int i = this.messages.size() - 1; i >= 0; --i) {
 956                if (this.messages.get(i).similar(message)) {
 957                    return this.messages.get(i);
 958                }
 959            }
 960        }
 961        return null;
 962    }
 963
 964    public boolean hasDuplicateMessage(Message message) {
 965        return findDuplicateMessage(message) != null;
 966    }
 967
 968    public Message findSentMessageWithBody(String body) {
 969        synchronized (this.messages) {
 970            for (int i = this.messages.size() - 1; i >= 0; --i) {
 971                Message message = this.messages.get(i);
 972                if (message.getStatus() == Message.STATUS_UNSEND || message.getStatus() == Message.STATUS_SEND) {
 973                    String otherBody;
 974                    if (message.hasFileOnRemoteHost()) {
 975                        otherBody = message.getFileParams().url;
 976                    } else {
 977                        otherBody = message.body;
 978                    }
 979                    if (otherBody != null && otherBody.equals(body)) {
 980                        return message;
 981                    }
 982                }
 983            }
 984            return null;
 985        }
 986    }
 987
 988    public Message findRtpSession(final String sessionId, final int s) {
 989        synchronized (this.messages) {
 990            for (int i = this.messages.size() - 1; i >= 0; --i) {
 991                final Message message = this.messages.get(i);
 992                if ((message.getStatus() == s) && (message.getType() == Message.TYPE_RTP_SESSION) && sessionId.equals(message.getRemoteMsgId())) {
 993                    return message;
 994                }
 995            }
 996        }
 997        return null;
 998    }
 999
1000    public boolean possibleDuplicate(final String serverMsgId, final String remoteMsgId) {
1001        if (serverMsgId == null || remoteMsgId == null) {
1002            return false;
1003        }
1004        synchronized (this.messages) {
1005            for (Message message : this.messages) {
1006                if (serverMsgId.equals(message.getServerMsgId()) || remoteMsgId.equals(message.getRemoteMsgId())) {
1007                    return true;
1008                }
1009            }
1010        }
1011        return false;
1012    }
1013
1014    public MamReference getLastMessageTransmitted() {
1015        final MamReference lastClear = getLastClearHistory();
1016        MamReference lastReceived = new MamReference(0);
1017        synchronized (this.messages) {
1018            for (int i = this.messages.size() - 1; i >= 0; --i) {
1019                final Message message = this.messages.get(i);
1020                if (message.isPrivateMessage()) {
1021                    continue; //it's unsafe to use private messages as anchor. They could be coming from user archive
1022                }
1023                if (message.getStatus() == Message.STATUS_RECEIVED || message.isCarbon() || message.getServerMsgId() != null) {
1024                    lastReceived = new MamReference(message.getTimeSent(), message.getServerMsgId());
1025                    break;
1026                }
1027            }
1028        }
1029        return MamReference.max(lastClear, lastReceived);
1030    }
1031
1032    public void setMutedTill(long value) {
1033        this.setAttribute(ATTRIBUTE_MUTED_TILL, String.valueOf(value));
1034    }
1035
1036    public boolean isMuted() {
1037        return System.currentTimeMillis() < this.getLongAttribute(ATTRIBUTE_MUTED_TILL, 0);
1038    }
1039
1040    public boolean alwaysNotify() {
1041        return mode == MODE_SINGLE || getBooleanAttribute(ATTRIBUTE_ALWAYS_NOTIFY, Config.ALWAYS_NOTIFY_BY_DEFAULT || isPrivateAndNonAnonymous());
1042    }
1043
1044    public boolean setAttribute(String key, boolean value) {
1045        return setAttribute(key, String.valueOf(value));
1046    }
1047
1048    private boolean setAttribute(String key, long value) {
1049        return setAttribute(key, Long.toString(value));
1050    }
1051
1052    private boolean setAttribute(String key, int value) {
1053        return setAttribute(key, String.valueOf(value));
1054    }
1055
1056    public boolean setAttribute(String key, String value) {
1057        synchronized (this.attributes) {
1058            try {
1059                if (value == null) {
1060                    if (this.attributes.has(key)) {
1061                        this.attributes.remove(key);
1062                        return true;
1063                    } else {
1064                        return false;
1065                    }
1066                } else {
1067                    final String prev = this.attributes.optString(key, null);
1068                    this.attributes.put(key, value);
1069                    return !value.equals(prev);
1070                }
1071            } catch (JSONException e) {
1072                throw new AssertionError(e);
1073            }
1074        }
1075    }
1076
1077    public boolean setAttribute(String key, List<Jid> jids) {
1078        JSONArray array = new JSONArray();
1079        for (Jid jid : jids) {
1080            array.put(jid.asBareJid().toString());
1081        }
1082        synchronized (this.attributes) {
1083            try {
1084                this.attributes.put(key, array);
1085                return true;
1086            } catch (JSONException e) {
1087                return false;
1088            }
1089        }
1090    }
1091
1092    public String getAttribute(String key) {
1093        synchronized (this.attributes) {
1094            return this.attributes.optString(key, null);
1095        }
1096    }
1097
1098    private List<Jid> getJidListAttribute(String key) {
1099        ArrayList<Jid> list = new ArrayList<>();
1100        synchronized (this.attributes) {
1101            try {
1102                JSONArray array = this.attributes.getJSONArray(key);
1103                for (int i = 0; i < array.length(); ++i) {
1104                    try {
1105                        list.add(Jid.of(array.getString(i)));
1106                    } catch (IllegalArgumentException e) {
1107                        //ignored
1108                    }
1109                }
1110            } catch (JSONException e) {
1111                //ignored
1112            }
1113        }
1114        return list;
1115    }
1116
1117    private int getIntAttribute(String key, int defaultValue) {
1118        String value = this.getAttribute(key);
1119        if (value == null) {
1120            return defaultValue;
1121        } else {
1122            try {
1123                return Integer.parseInt(value);
1124            } catch (NumberFormatException e) {
1125                return defaultValue;
1126            }
1127        }
1128    }
1129
1130    public long getLongAttribute(String key, long defaultValue) {
1131        String value = this.getAttribute(key);
1132        if (value == null) {
1133            return defaultValue;
1134        } else {
1135            try {
1136                return Long.parseLong(value);
1137            } catch (NumberFormatException e) {
1138                return defaultValue;
1139            }
1140        }
1141    }
1142
1143    public boolean getBooleanAttribute(String key, boolean defaultValue) {
1144        String value = this.getAttribute(key);
1145        if (value == null) {
1146            return defaultValue;
1147        } else {
1148            return Boolean.parseBoolean(value);
1149        }
1150    }
1151
1152    public void add(Message message) {
1153        synchronized (this.messages) {
1154            this.messages.add(message);
1155        }
1156    }
1157
1158    public void prepend(int offset, Message message) {
1159        synchronized (this.messages) {
1160            this.messages.add(Math.min(offset, this.messages.size()), message);
1161        }
1162    }
1163
1164    public void addAll(int index, List<Message> messages) {
1165        synchronized (this.messages) {
1166            this.messages.addAll(index, messages);
1167        }
1168        account.getPgpDecryptionService().decrypt(messages);
1169    }
1170
1171    public void expireOldMessages(long timestamp) {
1172        synchronized (this.messages) {
1173            for (ListIterator<Message> iterator = this.messages.listIterator(); iterator.hasNext(); ) {
1174                if (iterator.next().getTimeSent() < timestamp) {
1175                    iterator.remove();
1176                }
1177            }
1178            untieMessages();
1179        }
1180    }
1181
1182    public void sort() {
1183        synchronized (this.messages) {
1184            Collections.sort(this.messages, (left, right) -> {
1185                if (left.getTimeSent() < right.getTimeSent()) {
1186                    return -1;
1187                } else if (left.getTimeSent() > right.getTimeSent()) {
1188                    return 1;
1189                } else {
1190                    return 0;
1191                }
1192            });
1193            untieMessages();
1194        }
1195    }
1196
1197    private void untieMessages() {
1198        for (Message message : this.messages) {
1199            message.untie();
1200        }
1201    }
1202
1203    public int unreadCount() {
1204        synchronized (this.messages) {
1205            int count = 0;
1206            for(final Message message : Lists.reverse(this.messages)) {
1207                if (message.isRead()) {
1208                    if (message.getType() == Message.TYPE_RTP_SESSION) {
1209                        continue;
1210                    }
1211                    return count;
1212                }
1213                ++count;
1214            }
1215            return count;
1216        }
1217    }
1218
1219    public int receivedMessagesCount() {
1220        int count = 0;
1221        synchronized (this.messages) {
1222            for (Message message : messages) {
1223                if (message.getStatus() == Message.STATUS_RECEIVED) {
1224                    ++count;
1225                }
1226            }
1227        }
1228        return count;
1229    }
1230
1231    public int sentMessagesCount() {
1232        int count = 0;
1233        synchronized (this.messages) {
1234            for (Message message : messages) {
1235                if (message.getStatus() != Message.STATUS_RECEIVED) {
1236                    ++count;
1237                }
1238            }
1239        }
1240        return count;
1241    }
1242
1243    public boolean canInferPresence() {
1244        final Contact contact = getContact();
1245        if (contact != null && contact.canInferPresence()) return true;
1246        return sentMessagesCount() > 0;
1247    }
1248
1249    public boolean isWithStranger() {
1250        final Contact contact = getContact();
1251        return mode == MODE_SINGLE
1252                && !contact.isOwnServer()
1253                && !contact.showInContactList()
1254                && !contact.isSelf()
1255                && !(contact.getJid().isDomainJid() && JidHelper.isQuicksyDomain(contact.getJid()))
1256                && sentMessagesCount() == 0;
1257    }
1258
1259    public int getReceivedMessagesCountSinceUuid(String uuid) {
1260        if (uuid == null) {
1261            return 0;
1262        }
1263        int count = 0;
1264        synchronized (this.messages) {
1265            for (int i = messages.size() - 1; i >= 0; i--) {
1266                final Message message = messages.get(i);
1267                if (uuid.equals(message.getUuid())) {
1268                    return count;
1269                }
1270                if (message.getStatus() <= Message.STATUS_RECEIVED) {
1271                    ++count;
1272                }
1273            }
1274        }
1275        return 0;
1276    }
1277
1278    @Override
1279    public int getAvatarBackgroundColor() {
1280        return UIHelper.getColorForName(getName().toString());
1281    }
1282
1283    @Override
1284    public String getAvatarName() {
1285        return getName().toString();
1286    }
1287
1288    public void setCurrentTab(int tab) {
1289        mCurrentTab = tab;
1290    }
1291
1292    public int getCurrentTab() {
1293        if (mCurrentTab >= 0) return mCurrentTab;
1294
1295        if (!isRead() || getContact().resourceWhichSupport(Namespace.COMMANDS) == null) {
1296            return 0;
1297        }
1298
1299        return 1;
1300    }
1301
1302    public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1303        pagerAdapter.startCommand(command, xmppConnectionService);
1304    }
1305
1306    public boolean switchToSession(final String node) {
1307        return pagerAdapter.switchToSession(node);
1308    }
1309
1310    public void setupViewPager(ViewPager pager, TabLayout tabs, boolean onboarding) {
1311        pagerAdapter.setupViewPager(pager, tabs, onboarding);
1312    }
1313
1314    public void showViewPager() {
1315        pagerAdapter.show();
1316    }
1317
1318    public void hideViewPager() {
1319        pagerAdapter.hide();
1320    }
1321
1322    public interface OnMessageFound {
1323        void onMessageFound(final Message message);
1324    }
1325
1326    public static class Draft {
1327        private final String message;
1328        private final long timestamp;
1329
1330        private Draft(String message, long timestamp) {
1331            this.message = message;
1332            this.timestamp = timestamp;
1333        }
1334
1335        public long getTimestamp() {
1336            return timestamp;
1337        }
1338
1339        public String getMessage() {
1340            return message;
1341        }
1342    }
1343
1344    public class ConversationPagerAdapter extends PagerAdapter {
1345        protected ViewPager mPager = null;
1346        protected TabLayout mTabs = null;
1347        ArrayList<CommandSession> sessions = null;
1348        protected View page1 = null;
1349        protected View page2 = null;
1350        protected boolean mOnboarding = false;
1351
1352        public void setupViewPager(ViewPager pager, TabLayout tabs, boolean onboarding) {
1353            mPager = pager;
1354            mTabs = tabs;
1355            mOnboarding = onboarding;
1356
1357            if (mPager == null) return;
1358            if (sessions != null) show();
1359
1360            page1 = pager.getChildAt(0) == null ? page1 : pager.getChildAt(0);
1361            page2 = pager.getChildAt(1) == null ? page2 : pager.getChildAt(1);
1362            pager.setAdapter(this);
1363            tabs.setupWithViewPager(mPager);
1364            pager.post(() -> pager.setCurrentItem(getCurrentTab()));
1365
1366            mPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
1367                public void onPageScrollStateChanged(int state) { }
1368                public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { }
1369
1370                public void onPageSelected(int position) {
1371                    setCurrentTab(position);
1372                }
1373            });
1374        }
1375
1376        public void show() {
1377            if (sessions == null) {
1378                sessions = new ArrayList<>();
1379                notifyDataSetChanged();
1380            }
1381            if (!mOnboarding && mTabs != null) mTabs.setVisibility(View.VISIBLE);
1382        }
1383
1384        public void hide() {
1385            if (sessions != null && !sessions.isEmpty()) return; // Do not hide during active session
1386            if (mPager != null) mPager.setCurrentItem(0);
1387            if (mTabs != null) mTabs.setVisibility(View.GONE);
1388            sessions = null;
1389            notifyDataSetChanged();
1390        }
1391
1392        public void startCommand(Element command, XmppConnectionService xmppConnectionService) {
1393            show();
1394            CommandSession session = new CommandSession(command.getAttribute("name"), command.getAttribute("node"), xmppConnectionService);
1395
1396            final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
1397            packet.setTo(command.getAttributeAsJid("jid"));
1398            final Element c = packet.addChild("command", Namespace.COMMANDS);
1399            c.setAttribute("node", command.getAttribute("node"));
1400            c.setAttribute("action", "execute");
1401
1402            final TimerTask task = new TimerTask() {
1403                @Override
1404                public void run() {
1405                    if (getAccount().getStatus() != Account.State.ONLINE) {
1406                        new Timer().schedule(this, 1000);
1407                    } else {
1408                        xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
1409                            session.updateWithResponse(iq);
1410                        });
1411                    }
1412                }
1413            };
1414            task.run();
1415
1416            if (command.getAttribute("node").equals("jabber:iq:register") && packet.getTo().asBareJid().equals(Jid.of("cheogram.com"))) {
1417                new com.cheogram.android.CheogramLicenseChecker(mPager.getContext(), (signedData, signature) -> {
1418                    if (signedData != null && signature != null) {
1419                        c.addChild("license", "https://ns.cheogram.com/google-play").setContent(signedData);
1420                        c.addChild("licenseSignature", "https://ns.cheogram.com/google-play").setContent(signature);
1421                    }
1422
1423                    task.run();
1424                }).checkLicense();
1425            } else {
1426                task.run();
1427            }
1428
1429            sessions.add(session);
1430            notifyDataSetChanged();
1431            if (mPager != null) mPager.setCurrentItem(getCount() - 1);
1432        }
1433
1434        public void removeSession(CommandSession session) {
1435            sessions.remove(session);
1436            notifyDataSetChanged();
1437        }
1438
1439        public boolean switchToSession(final String node) {
1440            if (sessions == null) return false;
1441
1442            int i = 0;
1443            for (CommandSession session : sessions) {
1444                if (session.mNode.equals(node)) {
1445                    if (mPager != null) mPager.setCurrentItem(i + 2);
1446                    return true;
1447                }
1448                i++;
1449            }
1450
1451            return false;
1452        }
1453
1454        @NonNull
1455        @Override
1456        public Object instantiateItem(@NonNull ViewGroup container, int position) {
1457            if (position == 0) {
1458                if (page1.getParent() == null) container.addView(page1);
1459                return page1;
1460            }
1461            if (position == 1) {
1462                if (page2.getParent() == null) container.addView(page2);
1463                return page2;
1464            }
1465
1466            CommandSession session = sessions.get(position-2);
1467            CommandPageBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_page, container, false);
1468            container.addView(binding.getRoot());
1469            session.setBinding(binding);
1470            return session;
1471        }
1472
1473        @Override
1474        public void destroyItem(@NonNull ViewGroup container, int position, Object o) {
1475            if (position < 2) return;
1476
1477            container.removeView(((CommandSession) o).getView());
1478        }
1479
1480        @Override
1481        public int getItemPosition(Object o) {
1482            if (mPager != null) {
1483                if (o == page1) return PagerAdapter.POSITION_UNCHANGED;
1484                if (o == page2) return PagerAdapter.POSITION_UNCHANGED;
1485            }
1486
1487            int pos = sessions == null ? -1 : sessions.indexOf(o);
1488            if (pos < 0) return PagerAdapter.POSITION_NONE;
1489            return pos + 2;
1490        }
1491
1492        @Override
1493        public int getCount() {
1494            if (sessions == null) return 1;
1495
1496            int count = 2 + sessions.size();
1497            if (mTabs == null) return count;
1498
1499            if (count > 2) {
1500                mTabs.setTabMode(TabLayout.MODE_SCROLLABLE);
1501            } else {
1502                mTabs.setTabMode(TabLayout.MODE_FIXED);
1503            }
1504            return count;
1505        }
1506
1507        @Override
1508        public boolean isViewFromObject(@NonNull View view, @NonNull Object o) {
1509            if (view == o) return true;
1510
1511            if (o instanceof CommandSession) {
1512                return ((CommandSession) o).getView() == view;
1513            }
1514
1515            return false;
1516        }
1517
1518        @Nullable
1519        @Override
1520        public CharSequence getPageTitle(int position) {
1521            switch (position) {
1522                case 0:
1523                    return "Conversation";
1524                case 1:
1525                    return "Commands";
1526                default:
1527                    CommandSession session = sessions.get(position-2);
1528                    if (session == null) return super.getPageTitle(position);
1529                    return session.getTitle();
1530            }
1531        }
1532
1533        class CommandSession extends RecyclerView.Adapter<CommandSession.ViewHolder> {
1534            abstract class ViewHolder<T extends ViewDataBinding> extends RecyclerView.ViewHolder {
1535                protected T binding;
1536
1537                public ViewHolder(T binding) {
1538                    super(binding.getRoot());
1539                    this.binding = binding;
1540                }
1541
1542                abstract public void bind(Item el);
1543
1544                protected void setTextOrHide(TextView v, Optional<String> s) {
1545                    if (s == null || !s.isPresent()) {
1546                        v.setVisibility(View.GONE);
1547                    } else {
1548                        v.setVisibility(View.VISIBLE);
1549                        v.setText(s.get());
1550                    }
1551                }
1552
1553                protected void setupInputType(Element field, TextView textinput, TextInputLayout layout) {
1554                    int flags = 0;
1555                    if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_NONE);
1556                    textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1557
1558                    String type = field.getAttribute("type");
1559                    if (type != null) {
1560                        if (type.equals("text-multi") || type.equals("jid-multi")) {
1561                            flags |= InputType.TYPE_TEXT_FLAG_MULTI_LINE;
1562                        }
1563
1564                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT);
1565
1566                        if (type.equals("jid-single") || type.equals("jid-multi")) {
1567                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1568                        }
1569
1570                        if (type.equals("text-private")) {
1571                            textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_PASSWORD);
1572                            if (layout != null) layout.setEndIconMode(TextInputLayout.END_ICON_PASSWORD_TOGGLE);
1573                        }
1574                    }
1575
1576                    Element validate = field.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1577                    if (validate == null) return;
1578                    String datatype = validate.getAttribute("datatype");
1579                    if (datatype == null) return;
1580
1581                    if (datatype.equals("xs:integer") || datatype.equals("xs:int") || datatype.equals("xs:long") || datatype.equals("xs:short") || datatype.equals("xs:byte")) {
1582                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED);
1583                    }
1584
1585                    if (datatype.equals("xs:decimal") || datatype.equals("xs:double")) {
1586                        textinput.setInputType(flags | InputType.TYPE_CLASS_NUMBER | InputType.TYPE_NUMBER_FLAG_SIGNED | InputType.TYPE_NUMBER_FLAG_DECIMAL);
1587                    }
1588
1589                    if (datatype.equals("xs:date")) {
1590                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_DATE);
1591                    }
1592
1593                    if (datatype.equals("xs:dateTime")) {
1594                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_NORMAL);
1595                    }
1596
1597                    if (datatype.equals("xs:time")) {
1598                        textinput.setInputType(flags | InputType.TYPE_CLASS_DATETIME | InputType.TYPE_DATETIME_VARIATION_TIME);
1599                    }
1600
1601                    if (datatype.equals("xs:anyURI")) {
1602                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_URI);
1603                    }
1604
1605                    if (datatype.equals("html:tel")) {
1606                        textinput.setInputType(flags | InputType.TYPE_CLASS_PHONE);
1607                    }
1608
1609                    if (datatype.equals("html:email")) {
1610                        textinput.setInputType(flags | InputType.TYPE_CLASS_TEXT | InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS);
1611                    }
1612                }
1613            }
1614
1615            class ErrorViewHolder extends ViewHolder<CommandNoteBinding> {
1616                public ErrorViewHolder(CommandNoteBinding binding) { super(binding); }
1617
1618                @Override
1619                public void bind(Item iq) {
1620                    binding.errorIcon.setVisibility(View.VISIBLE);
1621
1622                    Element error = iq.el.findChild("error");
1623                    if (error == null) return;
1624                    String text = error.findChildContent("text", "urn:ietf:params:xml:ns:xmpp-stanzas");
1625                    if (text == null || text.equals("")) {
1626                        text = error.getChildren().get(0).getName();
1627                    }
1628                    binding.message.setText(text);
1629                }
1630            }
1631
1632            class NoteViewHolder extends ViewHolder<CommandNoteBinding> {
1633                public NoteViewHolder(CommandNoteBinding binding) { super(binding); }
1634
1635                @Override
1636                public void bind(Item note) {
1637                    binding.message.setText(note.el.getContent());
1638
1639                    String type = note.el.getAttribute("type");
1640                    if (type != null && type.equals("error")) {
1641                        binding.errorIcon.setVisibility(View.VISIBLE);
1642                    }
1643                }
1644            }
1645
1646            class ResultFieldViewHolder extends ViewHolder<CommandResultFieldBinding> {
1647                public ResultFieldViewHolder(CommandResultFieldBinding binding) { super(binding); }
1648
1649                @Override
1650                public void bind(Item item) {
1651                    Field field = (Field) item;
1652                    setTextOrHide(binding.label, field.getLabel());
1653                    setTextOrHide(binding.desc, field.getDesc());
1654
1655                    ArrayAdapter<String> values = new ArrayAdapter<String>(binding.getRoot().getContext(), R.layout.simple_list_item);
1656                    for (Element el : field.el.getChildren()) {
1657                        if (el.getName().equals("value") && el.getNamespace().equals("jabber:x:data")) {
1658                            values.add(el.getContent());
1659                        }
1660                    }
1661                    binding.values.setAdapter(values);
1662
1663                    if (field.getType().equals(Optional.of("jid-single")) || field.getType().equals(Optional.of("jid-multi"))) {
1664                        binding.values.setOnItemClickListener((arg0, arg1, pos, id) -> {
1665                            new FixedURLSpan("xmpp:" + Jid.ofEscaped(values.getItem(pos)).toEscapedString()).onClick(binding.values);
1666                        });
1667                    }
1668
1669                    binding.values.setOnItemLongClickListener((arg0, arg1, pos, id) -> {
1670                        if (ShareUtil.copyTextToClipboard(binding.getRoot().getContext(), values.getItem(pos), R.string.message)) {
1671                            Toast.makeText(binding.getRoot().getContext(), R.string.message_copied_to_clipboard, Toast.LENGTH_SHORT).show();
1672                        }
1673                        return true;
1674                    });
1675                }
1676            }
1677
1678            class ResultCellViewHolder extends ViewHolder<CommandResultCellBinding> {
1679                public ResultCellViewHolder(CommandResultCellBinding binding) { super(binding); }
1680
1681                @Override
1682                public void bind(Item item) {
1683                    Cell cell = (Cell) item;
1684
1685                    if (cell.el == null) {
1686                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Subhead);
1687                        setTextOrHide(binding.text, cell.reported.getLabel());
1688                    } else {
1689                        String value = cell.el.findChildContent("value", "jabber:x:data");
1690                        SpannableStringBuilder text = new SpannableStringBuilder(value == null ? "" : value);
1691                        if (cell.reported.getType().equals(Optional.of("jid-single"))) {
1692                            text.setSpan(new FixedURLSpan("xmpp:" + Jid.ofEscaped(text.toString()).toEscapedString()), 0, text.length(), Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
1693                        }
1694
1695                        binding.text.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Body1);
1696                        binding.text.setText(text);
1697
1698                        BetterLinkMovementMethod method = BetterLinkMovementMethod.newInstance();
1699                        method.setOnLinkLongClickListener((tv, url) -> {
1700                            tv.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
1701                            ShareUtil.copyLinkToClipboard(binding.getRoot().getContext(), url);
1702                            return true;
1703                        });
1704                        binding.text.setMovementMethod(method);
1705                    }
1706                }
1707            }
1708
1709            class ItemCardViewHolder extends ViewHolder<CommandItemCardBinding> {
1710                public ItemCardViewHolder(CommandItemCardBinding binding) { super(binding); }
1711
1712                @Override
1713                public void bind(Item item) {
1714                    binding.fields.removeAllViews();
1715
1716                    for (Field field : reported) {
1717                        CommandResultFieldBinding row = DataBindingUtil.inflate(LayoutInflater.from(binding.getRoot().getContext()), R.layout.command_result_field, binding.fields, false);
1718                        GridLayout.LayoutParams param = new GridLayout.LayoutParams();
1719                        param.columnSpec = GridLayout.spec(GridLayout.UNDEFINED, GridLayout.FILL, 1f);
1720                        param.width = 0;
1721                        row.getRoot().setLayoutParams(param);
1722                        binding.fields.addView(row.getRoot());
1723                        for (Element el : item.el.getChildren()) {
1724                            if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data") && el.getAttribute("var") != null && el.getAttribute("var").equals(field.getVar())) {
1725                                for (String label : field.getLabel().asSet()) {
1726                                    el.setAttribute("label", label);
1727                                }
1728                                for (String desc : field.getDesc().asSet()) {
1729                                    el.setAttribute("desc", desc);
1730                                }
1731                                for (String type : field.getType().asSet()) {
1732                                    el.setAttribute("type", type);
1733                                }
1734                                Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1735                                if (validate != null) el.addChild(validate);
1736                                new ResultFieldViewHolder(row).bind(new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), -1));
1737                            }
1738                        }
1739                    }
1740                }
1741            }
1742
1743            class CheckboxFieldViewHolder extends ViewHolder<CommandCheckboxFieldBinding> implements CompoundButton.OnCheckedChangeListener {
1744                public CheckboxFieldViewHolder(CommandCheckboxFieldBinding binding) {
1745                    super(binding);
1746                    binding.row.setOnClickListener((v) -> {
1747                        binding.checkbox.toggle();
1748                    });
1749                    binding.checkbox.setOnCheckedChangeListener(this);
1750                }
1751                protected Element mValue = null;
1752
1753                @Override
1754                public void bind(Item item) {
1755                    Field field = (Field) item;
1756                    binding.label.setText(field.getLabel().or(""));
1757                    setTextOrHide(binding.desc, field.getDesc());
1758                    mValue = field.getValue();
1759                    binding.checkbox.setChecked(mValue.getContent() != null && (mValue.getContent().equals("true") || mValue.getContent().equals("1")));
1760                }
1761
1762                @Override
1763                public void onCheckedChanged(CompoundButton checkbox, boolean isChecked) {
1764                    if (mValue == null) return;
1765
1766                    mValue.setContent(isChecked ? "true" : "false");
1767                }
1768            }
1769
1770            class SearchListFieldViewHolder extends ViewHolder<CommandSearchListFieldBinding> implements TextWatcher {
1771                public SearchListFieldViewHolder(CommandSearchListFieldBinding binding) {
1772                    super(binding);
1773                    binding.search.addTextChangedListener(this);
1774                }
1775                protected Element mValue = null;
1776                List<Option> options = new ArrayList<>();
1777                protected ArrayAdapter<Option> adapter;
1778                protected boolean open;
1779
1780                @Override
1781                public void bind(Item item) {
1782                    Field field = (Field) item;
1783                    setTextOrHide(binding.label, field.getLabel());
1784                    setTextOrHide(binding.desc, field.getDesc());
1785
1786                    if (field.error != null) {
1787                        binding.desc.setVisibility(View.VISIBLE);
1788                        binding.desc.setText(field.error);
1789                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
1790                    } else {
1791                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
1792                    }
1793
1794                    mValue = field.getValue();
1795
1796                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1797                    open = validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null;
1798                    setupInputType(field.el, binding.search, null);
1799
1800                    options = field.getOptions();
1801                    binding.list.setOnItemClickListener((parent, view, position, id) -> {
1802                        mValue.setContent(adapter.getItem(binding.list.getCheckedItemPosition()).getValue());
1803                        if (open) binding.search.setText(mValue.getContent());
1804                    });
1805                    search("");
1806                }
1807
1808                @Override
1809                public void afterTextChanged(Editable s) {
1810                    if (open) mValue.setContent(s.toString());
1811                    search(s.toString());
1812                }
1813
1814                @Override
1815                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1816
1817                @Override
1818                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1819
1820                protected void search(String s) {
1821                    List<Option> filteredOptions;
1822                    final String q = s.replaceAll("\\W", "").toLowerCase();
1823                    if (q == null || q.equals("")) {
1824                        filteredOptions = options;
1825                    } else {
1826                        filteredOptions = options.stream().filter(o -> o.toString().replaceAll("\\W", "").toLowerCase().contains(q)).collect(Collectors.toList());
1827                    }
1828                    adapter = new ArrayAdapter(binding.getRoot().getContext(), R.layout.simple_list_item, filteredOptions);
1829                    binding.list.setAdapter(adapter);
1830
1831                    int checkedPos = filteredOptions.indexOf(new Option(mValue.getContent(), ""));
1832                    if (checkedPos >= 0) binding.list.setItemChecked(checkedPos, true);
1833                }
1834            }
1835
1836            class RadioEditFieldViewHolder extends ViewHolder<CommandRadioEditFieldBinding> implements CompoundButton.OnCheckedChangeListener, TextWatcher {
1837                public RadioEditFieldViewHolder(CommandRadioEditFieldBinding binding) {
1838                    super(binding);
1839                    binding.open.addTextChangedListener(this);
1840                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.radio_grid_item) {
1841                        @Override
1842                        public View getView(int position, View convertView, ViewGroup parent) {
1843                            CompoundButton v = (CompoundButton) super.getView(position, convertView, parent);
1844                            v.setId(position);
1845                            v.setChecked(getItem(position).getValue().equals(mValue.getContent()));
1846                            v.setOnCheckedChangeListener(RadioEditFieldViewHolder.this);
1847                            return v;
1848                        }
1849                    };
1850                }
1851                protected Element mValue = null;
1852                protected ArrayAdapter<Option> options;
1853
1854                @Override
1855                public void bind(Item item) {
1856                    Field field = (Field) item;
1857                    setTextOrHide(binding.label, field.getLabel());
1858                    setTextOrHide(binding.desc, field.getDesc());
1859
1860                    if (field.error != null) {
1861                        binding.desc.setVisibility(View.VISIBLE);
1862                        binding.desc.setText(field.error);
1863                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
1864                    } else {
1865                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
1866                    }
1867
1868                    mValue = field.getValue();
1869
1870                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
1871                    binding.open.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
1872                    binding.open.setText(mValue.getContent());
1873                    setupInputType(field.el, binding.open, null);
1874
1875                    options.clear();
1876                    List<Option> theOptions = field.getOptions();
1877                    options.addAll(theOptions);
1878
1879                    float screenWidth = binding.getRoot().getContext().getResources().getDisplayMetrics().widthPixels;
1880                    TextPaint paint = ((TextView) LayoutInflater.from(binding.getRoot().getContext()).inflate(R.layout.radio_grid_item, null)).getPaint();
1881                    float maxColumnWidth = theOptions.stream().map((x) ->
1882                        StaticLayout.getDesiredWidth(x.toString(), paint)
1883                    ).max(Float::compare).orElse(new Float(0.0));
1884                    if (maxColumnWidth * theOptions.size() < 0.90 * screenWidth) {
1885                        binding.radios.setNumColumns(theOptions.size());
1886                    } else if (maxColumnWidth * (theOptions.size() / 2) < 0.90 * screenWidth) {
1887                        binding.radios.setNumColumns(theOptions.size() / 2);
1888                    } else {
1889                        binding.radios.setNumColumns(1);
1890                    }
1891                    binding.radios.setAdapter(options);
1892                }
1893
1894                @Override
1895                public void onCheckedChanged(CompoundButton radio, boolean isChecked) {
1896                    if (mValue == null) return;
1897
1898                    if (isChecked) {
1899                        mValue.setContent(options.getItem(radio.getId()).getValue());
1900                        binding.open.setText(mValue.getContent());
1901                    }
1902                    options.notifyDataSetChanged();
1903                }
1904
1905                @Override
1906                public void afterTextChanged(Editable s) {
1907                    if (mValue == null) return;
1908
1909                    mValue.setContent(s.toString());
1910                    options.notifyDataSetChanged();
1911                }
1912
1913                @Override
1914                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
1915
1916                @Override
1917                public void onTextChanged(CharSequence s, int start, int count, int after) { }
1918            }
1919
1920            class SpinnerFieldViewHolder extends ViewHolder<CommandSpinnerFieldBinding> implements AdapterView.OnItemSelectedListener {
1921                public SpinnerFieldViewHolder(CommandSpinnerFieldBinding binding) {
1922                    super(binding);
1923                    binding.spinner.setOnItemSelectedListener(this);
1924                }
1925                protected Element mValue = null;
1926
1927                @Override
1928                public void bind(Item item) {
1929                    Field field = (Field) item;
1930                    setTextOrHide(binding.label, field.getLabel());
1931                    binding.spinner.setPrompt(field.getLabel().or(""));
1932                    setTextOrHide(binding.desc, field.getDesc());
1933
1934                    mValue = field.getValue();
1935
1936                    ArrayAdapter<Option> options = new ArrayAdapter<Option>(binding.getRoot().getContext(), android.R.layout.simple_spinner_item);
1937                    options.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
1938                    options.addAll(field.getOptions());
1939
1940                    binding.spinner.setAdapter(options);
1941                    binding.spinner.setSelection(options.getPosition(new Option(mValue.getContent(), null)));
1942                }
1943
1944                @Override
1945                public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
1946                    Option o = (Option) parent.getItemAtPosition(pos);
1947                    if (mValue == null) return;
1948
1949                    mValue.setContent(o == null ? "" : o.getValue());
1950                }
1951
1952                @Override
1953                public void onNothingSelected(AdapterView<?> parent) {
1954                    mValue.setContent("");
1955                }
1956            }
1957
1958            class ButtonGridFieldViewHolder extends ViewHolder<CommandButtonGridFieldBinding> {
1959                public ButtonGridFieldViewHolder(CommandButtonGridFieldBinding binding) {
1960                    super(binding);
1961                    options = new ArrayAdapter<Option>(binding.getRoot().getContext(), R.layout.button_grid_item) {
1962                        @Override
1963                        public View getView(int position, View convertView, ViewGroup parent) {
1964                            Button v = (Button) super.getView(position, convertView, parent);
1965                            v.setOnClickListener((view) -> {
1966                                loading = true;
1967                                mValue.setContent(getItem(position).getValue());
1968                                execute();
1969                            });
1970
1971                            final SVG icon = getItem(position).getIcon();
1972                            if (icon != null) {
1973                                 v.post(() -> {
1974                                     if (v.getHeight() == 0) return;
1975                                     icon.setDocumentPreserveAspectRatio(com.caverock.androidsvg.PreserveAspectRatio.TOP);
1976                                     Bitmap bitmap = Bitmap.createBitmap(v.getHeight(), v.getHeight(), Bitmap.Config.ARGB_8888);
1977                                     Canvas bmcanvas = new Canvas(bitmap);
1978                                     icon.renderToCanvas(bmcanvas);
1979                                     v.setCompoundDrawablesRelativeWithIntrinsicBounds(new BitmapDrawable(bitmap), null, null, null);
1980                                 });
1981                            }
1982
1983                            return v;
1984                        }
1985                    };
1986                }
1987                protected Element mValue = null;
1988                protected ArrayAdapter<Option> options;
1989                protected Option defaultOption = null;
1990
1991                @Override
1992                public void bind(Item item) {
1993                    Field field = (Field) item;
1994                    setTextOrHide(binding.label, field.getLabel());
1995                    setTextOrHide(binding.desc, field.getDesc());
1996
1997                    if (field.error != null) {
1998                        binding.desc.setVisibility(View.VISIBLE);
1999                        binding.desc.setText(field.error);
2000                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Design_Error);
2001                    } else {
2002                        binding.desc.setTextAppearance(binding.getRoot().getContext(), R.style.TextAppearance_Conversations_Status);
2003                    }
2004
2005                    mValue = field.getValue();
2006
2007                    Element validate = field.el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2008                    binding.openButton.setVisibility((validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null) ? View.VISIBLE : View.GONE);
2009                    binding.openButton.setOnClickListener((view) -> {
2010                        AlertDialog.Builder builder = new AlertDialog.Builder(binding.getRoot().getContext());
2011                        DialogQuickeditBinding dialogBinding = DataBindingUtil.inflate(LayoutInflater.from(binding.getRoot().getContext()), R.layout.dialog_quickedit, null, false);
2012                        builder.setPositiveButton(R.string.action_execute, null);
2013                        if (field.getDesc().isPresent()) {
2014                            dialogBinding.inputLayout.setHint(field.getDesc().get());
2015                        }
2016                        dialogBinding.inputEditText.requestFocus();
2017                        dialogBinding.inputEditText.getText().append(mValue.getContent());
2018                        builder.setView(dialogBinding.getRoot());
2019                        builder.setNegativeButton(R.string.cancel, null);
2020                        final AlertDialog dialog = builder.create();
2021                        dialog.setOnShowListener(d -> SoftKeyboardUtils.showKeyboard(dialogBinding.inputEditText));
2022                        dialog.show();
2023                        View.OnClickListener clickListener = v -> {
2024                            loading = true;
2025                            String value = dialogBinding.inputEditText.getText().toString();
2026                            mValue.setContent(value);
2027                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2028                            dialog.dismiss();
2029                            execute();
2030                        };
2031                        dialog.getButton(DialogInterface.BUTTON_POSITIVE).setOnClickListener(clickListener);
2032                        dialog.getButton(DialogInterface.BUTTON_NEGATIVE).setOnClickListener((v -> {
2033                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2034                            dialog.dismiss();
2035                        }));
2036                        dialog.setCanceledOnTouchOutside(false);
2037                        dialog.setOnDismissListener(dialog1 -> {
2038                            SoftKeyboardUtils.hideSoftKeyboard(dialogBinding.inputEditText);
2039                        });
2040                    });
2041
2042                    options.clear();
2043                    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();
2044
2045                    defaultOption = null;
2046                    for (Option option : theOptions) {
2047                        if (option.getValue().equals(mValue.getContent())) {
2048                            defaultOption = option;
2049                            break;
2050                        }
2051                    }
2052                    if (defaultOption == null && !mValue.getContent().equals("")) {
2053                        // Synthesize default option for custom value
2054                        defaultOption = new Option(mValue.getContent(), mValue.getContent());
2055                    }
2056                    if (defaultOption == null) {
2057                        binding.defaultButton.setVisibility(View.GONE);
2058                    } else {
2059                        theOptions.remove(defaultOption);
2060                        binding.defaultButton.setVisibility(View.VISIBLE);
2061
2062                        final SVG defaultIcon = defaultOption.getIcon();
2063                        if (defaultIcon != null) {
2064                             defaultIcon.setDocumentPreserveAspectRatio(com.caverock.androidsvg.PreserveAspectRatio.TOP);
2065                             DisplayMetrics display = mPager.getContext().getResources().getDisplayMetrics();
2066                             Bitmap bitmap = Bitmap.createBitmap((int)(display.heightPixels*display.density/4), (int)(display.heightPixels*display.density/4), Bitmap.Config.ARGB_8888);
2067                             bitmap.setDensity(display.densityDpi);
2068                             Canvas bmcanvas = new Canvas(bitmap);
2069                             defaultIcon.renderToCanvas(bmcanvas);
2070                             binding.defaultButton.setCompoundDrawablesRelativeWithIntrinsicBounds(null, new BitmapDrawable(bitmap), null, null);
2071                        }
2072
2073                        binding.defaultButton.setText(defaultOption.toString());
2074                        binding.defaultButton.setOnClickListener((view) -> {
2075                            loading = true;
2076                            mValue.setContent(defaultOption.getValue());
2077                            execute();
2078                        });
2079                    }
2080
2081                    options.addAll(theOptions);
2082                    binding.buttons.setAdapter(options);
2083                }
2084            }
2085
2086            class TextFieldViewHolder extends ViewHolder<CommandTextFieldBinding> implements TextWatcher {
2087                public TextFieldViewHolder(CommandTextFieldBinding binding) {
2088                    super(binding);
2089                    binding.textinput.addTextChangedListener(this);
2090                }
2091                protected Element mValue = null;
2092
2093                @Override
2094                public void bind(Item item) {
2095                    Field field = (Field) item;
2096                    binding.textinputLayout.setHint(field.getLabel().or(""));
2097
2098                    binding.textinputLayout.setHelperTextEnabled(field.getDesc().isPresent());
2099                    for (String desc : field.getDesc().asSet()) {
2100                        binding.textinputLayout.setHelperText(desc);
2101                    }
2102
2103                    binding.textinputLayout.setErrorEnabled(field.error != null);
2104                    if (field.error != null) binding.textinputLayout.setError(field.error);
2105
2106                    binding.textinput.setTextAlignment(View.TEXT_ALIGNMENT_GRAVITY);
2107                    String suffixLabel = field.el.findChildContent("x", "https://ns.cheogram.com/suffix-label");
2108                    if (suffixLabel != null) {
2109                        binding.textinputLayout.setSuffixText(suffixLabel);
2110                        binding.textinput.setTextAlignment(View.TEXT_ALIGNMENT_TEXT_END);
2111                    }
2112
2113                    String prefixLabel = field.el.findChildContent("x", "https://ns.cheogram.com/prefix-label");
2114                    if (prefixLabel != null) {
2115                        binding.textinputLayout.setPrefixText(prefixLabel);
2116                    }
2117
2118                    mValue = field.getValue();
2119                    binding.textinput.setText(mValue.getContent());
2120                    setupInputType(field.el, binding.textinput, binding.textinputLayout);
2121                }
2122
2123                @Override
2124                public void afterTextChanged(Editable s) {
2125                    if (mValue == null) return;
2126
2127                    mValue.setContent(s.toString());
2128                }
2129
2130                @Override
2131                public void beforeTextChanged(CharSequence s, int start, int count, int after) { }
2132
2133                @Override
2134                public void onTextChanged(CharSequence s, int start, int count, int after) { }
2135            }
2136
2137            class WebViewHolder extends ViewHolder<CommandWebviewBinding> {
2138                public WebViewHolder(CommandWebviewBinding binding) { super(binding); }
2139                protected String boundUrl = "";
2140
2141                @Override
2142                public void bind(Item oob) {
2143                    setTextOrHide(binding.desc, Optional.fromNullable(oob.el.findChildContent("desc", "jabber:x:oob")));
2144                    binding.webview.getSettings().setJavaScriptEnabled(true);
2145                    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");
2146                    binding.webview.getSettings().setDatabaseEnabled(true);
2147                    binding.webview.getSettings().setDomStorageEnabled(true);
2148                    binding.webview.setWebChromeClient(new WebChromeClient() {
2149                        @Override
2150                        public void onProgressChanged(WebView view, int newProgress) {
2151                            binding.progressbar.setVisibility(newProgress < 100 ? View.VISIBLE : View.GONE);
2152                            binding.progressbar.setProgress(newProgress);
2153                        }
2154                    });
2155                    binding.webview.setWebViewClient(new WebViewClient() {
2156                        @Override
2157                        public void onPageFinished(WebView view, String url) {
2158                            super.onPageFinished(view, url);
2159                            mTitle = view.getTitle();
2160                            ConversationPagerAdapter.this.notifyDataSetChanged();
2161                        }
2162                    });
2163                    final String url = oob.el.findChildContent("url", "jabber:x:oob");
2164                    if (!boundUrl.equals(url)) {
2165                        binding.webview.addJavascriptInterface(new JsObject(), "xmpp_xep0050");
2166                        binding.webview.loadUrl(url);
2167                        boundUrl = url;
2168                    }
2169                }
2170
2171                class JsObject {
2172                    @JavascriptInterface
2173                    public void execute() { execute("execute"); }
2174
2175                    @JavascriptInterface
2176                    public void execute(String action) {
2177                        getView().post(() -> {
2178                            actionToWebview = null;
2179                            if(CommandSession.this.execute(action)) {
2180                                removeSession(CommandSession.this);
2181                            }
2182                        });
2183                    }
2184
2185                    @JavascriptInterface
2186                    public void preventDefault() {
2187                        actionToWebview = binding.webview;
2188                    }
2189                }
2190            }
2191
2192            class ProgressBarViewHolder extends ViewHolder<CommandProgressBarBinding> {
2193                public ProgressBarViewHolder(CommandProgressBarBinding binding) { super(binding); }
2194
2195                @Override
2196                public void bind(Item item) { }
2197            }
2198
2199            class Item {
2200                protected Element el;
2201                protected int viewType;
2202                protected String error = null;
2203
2204                Item(Element el, int viewType) {
2205                    this.el = el;
2206                    this.viewType = viewType;
2207                }
2208
2209                public boolean validate() {
2210                    error = null;
2211                    return true;
2212                }
2213            }
2214
2215            class Field extends Item {
2216                Field(eu.siacs.conversations.xmpp.forms.Field el, int viewType) { super(el, viewType); }
2217
2218                @Override
2219                public boolean validate() {
2220                    if (!super.validate()) return false;
2221                    if (el.findChild("required", "jabber:x:data") == null) return true;
2222                    if (getValue().getContent() != null && !getValue().getContent().equals("")) return true;
2223
2224                    error = "this value is required";
2225                    return false;
2226                }
2227
2228                public String getVar() {
2229                    return el.getAttribute("var");
2230                }
2231
2232                public Optional<String> getType() {
2233                    return Optional.fromNullable(el.getAttribute("type"));
2234                }
2235
2236                public Optional<String> getLabel() {
2237                    String label = el.getAttribute("label");
2238                    if (label == null) label = getVar();
2239                    return Optional.fromNullable(label);
2240                }
2241
2242                public Optional<String> getDesc() {
2243                    return Optional.fromNullable(el.findChildContent("desc", "jabber:x:data"));
2244                }
2245
2246                public Element getValue() {
2247                    Element value = el.findChild("value", "jabber:x:data");
2248                    if (value == null) {
2249                        value = el.addChild("value", "jabber:x:data");
2250                    }
2251                    return value;
2252                }
2253
2254                public List<Option> getOptions() {
2255                    return Option.forField(el);
2256                }
2257            }
2258
2259            class Cell extends Item {
2260                protected Field reported;
2261
2262                Cell(Field reported, Element item) {
2263                    super(item, TYPE_RESULT_CELL);
2264                    this.reported = reported;
2265                }
2266            }
2267
2268            protected Field mkField(Element el) {
2269                int viewType = -1;
2270
2271                String formType = responseElement.getAttribute("type");
2272                if (formType != null) {
2273                    String fieldType = el.getAttribute("type");
2274                    if (fieldType == null) fieldType = "text-single";
2275
2276                    if (formType.equals("result") || fieldType.equals("fixed")) {
2277                        viewType = TYPE_RESULT_FIELD;
2278                    } else if (formType.equals("form")) {
2279                        if (fieldType.equals("boolean")) {
2280                            if (fillableFieldCount == 1 && actionsAdapter.countExceptCancel() < 1) {
2281                                viewType = TYPE_BUTTON_GRID_FIELD;
2282                            } else {
2283                                viewType = TYPE_CHECKBOX_FIELD;
2284                            }
2285                        } else if (fieldType.equals("list-single")) {
2286                            Element validate = el.findChild("validate", "http://jabber.org/protocol/xdata-validate");
2287                            if (Option.forField(el).size() > 9) {
2288                                viewType = TYPE_SEARCH_LIST_FIELD;
2289                            } else if (fillableFieldCount == 1 && actionsAdapter.countExceptCancel() < 1) {
2290                                viewType = TYPE_BUTTON_GRID_FIELD;
2291                            } else if (el.findChild("value", "jabber:x:data") == null || (validate != null && validate.findChild("open", "http://jabber.org/protocol/xdata-validate") != null)) {
2292                                viewType = TYPE_RADIO_EDIT_FIELD;
2293                            } else {
2294                                viewType = TYPE_SPINNER_FIELD;
2295                            }
2296                        } else {
2297                            viewType = TYPE_TEXT_FIELD;
2298                        }
2299                    }
2300
2301                    return new Field(eu.siacs.conversations.xmpp.forms.Field.parse(el), viewType);
2302                }
2303
2304                return null;
2305            }
2306
2307            protected Item mkItem(Element el, int pos) {
2308                int viewType = -1;
2309
2310                if (response != null && response.getType() == IqPacket.TYPE.RESULT) {
2311                    if (el.getName().equals("note")) {
2312                        viewType = TYPE_NOTE;
2313                    } else if (el.getNamespace().equals("jabber:x:oob")) {
2314                        viewType = TYPE_WEB;
2315                    } else if (el.getName().equals("instructions") && el.getNamespace().equals("jabber:x:data")) {
2316                        viewType = TYPE_NOTE;
2317                    } else if (el.getName().equals("field") && el.getNamespace().equals("jabber:x:data")) {
2318                        Field field = mkField(el);
2319                        if (field != null) {
2320                            items.put(pos, field);
2321                            return field;
2322                        }
2323                    }
2324                } else if (response != null) {
2325                    viewType = TYPE_ERROR;
2326                }
2327
2328                Item item = new Item(el, viewType);
2329                items.put(pos, item);
2330                return item;
2331            }
2332
2333            class ActionsAdapter extends ArrayAdapter<Pair<String, String>> {
2334                protected Context ctx;
2335
2336                public ActionsAdapter(Context ctx) {
2337                    super(ctx, R.layout.simple_list_item);
2338                    this.ctx = ctx;
2339                }
2340
2341                @Override
2342                public View getView(int position, View convertView, ViewGroup parent) {
2343                    View v = super.getView(position, convertView, parent);
2344                    TextView tv = (TextView) v.findViewById(android.R.id.text1);
2345                    tv.setGravity(Gravity.CENTER);
2346                    tv.setText(getItem(position).second);
2347                    int resId = ctx.getResources().getIdentifier("action_" + getItem(position).first, "string" , ctx.getPackageName());
2348                    if (resId != 0 && getItem(position).second.equals(getItem(position).first)) tv.setText(ctx.getResources().getString(resId));
2349                    tv.setTextColor(ContextCompat.getColor(ctx, R.color.white));
2350                    tv.setBackgroundColor(UIHelper.getColorForName(getItem(position).first));
2351                    return v;
2352                }
2353
2354                public int getPosition(String s) {
2355                    for(int i = 0; i < getCount(); i++) {
2356                        if (getItem(i).first.equals(s)) return i;
2357                    }
2358                    return -1;
2359                }
2360
2361                public int countExceptCancel() {
2362                    int count = 0;
2363                    for(int i = 0; i < getCount(); i++) {
2364                        if (!getItem(i).first.equals("cancel")) count++;
2365                    }
2366                    return count;
2367                }
2368
2369                public void clearExceptCancel() {
2370                    Pair<String,String> cancelItem = null;
2371                    for(int i = 0; i < getCount(); i++) {
2372                        if (getItem(i).first.equals("cancel")) cancelItem = getItem(i);
2373                    }
2374                    clear();
2375                    if (cancelItem != null) add(cancelItem);
2376                }
2377            }
2378
2379            final int TYPE_ERROR = 1;
2380            final int TYPE_NOTE = 2;
2381            final int TYPE_WEB = 3;
2382            final int TYPE_RESULT_FIELD = 4;
2383            final int TYPE_TEXT_FIELD = 5;
2384            final int TYPE_CHECKBOX_FIELD = 6;
2385            final int TYPE_SPINNER_FIELD = 7;
2386            final int TYPE_RADIO_EDIT_FIELD = 8;
2387            final int TYPE_RESULT_CELL = 9;
2388            final int TYPE_PROGRESSBAR = 10;
2389            final int TYPE_SEARCH_LIST_FIELD = 11;
2390            final int TYPE_ITEM_CARD = 12;
2391            final int TYPE_BUTTON_GRID_FIELD = 13;
2392
2393            protected boolean loading = false;
2394            protected Timer loadingTimer = new Timer();
2395            protected String mTitle;
2396            protected String mNode;
2397            protected CommandPageBinding mBinding = null;
2398            protected IqPacket response = null;
2399            protected Element responseElement = null;
2400            protected List<Field> reported = null;
2401            protected SparseArray<Item> items = new SparseArray<>();
2402            protected XmppConnectionService xmppConnectionService;
2403            protected ActionsAdapter actionsAdapter;
2404            protected GridLayoutManager layoutManager;
2405            protected WebView actionToWebview = null;
2406            protected int fillableFieldCount = 0;
2407            protected IqPacket pendingResponsePacket = null;
2408
2409            CommandSession(String title, String node, XmppConnectionService xmppConnectionService) {
2410                loading();
2411                mTitle = title;
2412                mNode = node;
2413                this.xmppConnectionService = xmppConnectionService;
2414                if (mPager != null) setupLayoutManager();
2415                actionsAdapter = new ActionsAdapter(xmppConnectionService);
2416                actionsAdapter.registerDataSetObserver(new DataSetObserver() {
2417                    @Override
2418                    public void onChanged() {
2419                        if (mBinding == null) return;
2420
2421                        mBinding.actions.setNumColumns(actionsAdapter.getCount() > 1 ? 2 : 1);
2422                    }
2423
2424                    @Override
2425                    public void onInvalidated() {}
2426                });
2427            }
2428
2429            public String getTitle() {
2430                return mTitle;
2431            }
2432
2433            public void updateWithResponse(final IqPacket iq) {
2434                if (getView() != null && getView().isAttachedToWindow()) {
2435                    getView().post(() -> updateWithResponseUiThread(iq));
2436                } else {
2437                    pendingResponsePacket = iq;
2438                }
2439            }
2440
2441            protected void updateWithResponseUiThread(final IqPacket iq) {
2442                this.loadingTimer.cancel();
2443                this.loadingTimer = new Timer();
2444                this.loading = false;
2445                this.responseElement = null;
2446                this.fillableFieldCount = 0;
2447                this.reported = null;
2448                this.response = iq;
2449                this.items.clear();
2450                this.actionsAdapter.clear();
2451                layoutManager.setSpanCount(1);
2452
2453                boolean actionsCleared = false;
2454                Element command = iq.findChild("command", "http://jabber.org/protocol/commands");
2455                if (iq.getType() == IqPacket.TYPE.RESULT && command != null) {
2456                    if (mNode.equals("jabber:iq:register") && command.getAttribute("status") != null && command.getAttribute("status").equals("completed")) {
2457                        xmppConnectionService.createContact(getAccount().getRoster().getContact(iq.getFrom()), true);
2458                    }
2459
2460                    for (Element el : command.getChildren()) {
2461                        if (el.getName().equals("actions") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2462                            for (Element action : el.getChildren()) {
2463                                if (!el.getNamespace().equals("http://jabber.org/protocol/commands")) continue;
2464                                if (action.getName().equals("execute")) continue;
2465
2466                                actionsAdapter.add(Pair.create(action.getName(), action.getName()));
2467                            }
2468                        }
2469                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:data")) {
2470                            Data form = Data.parse(el);
2471                            String title = form.getTitle();
2472                            if (title != null) {
2473                                mTitle = title;
2474                                ConversationPagerAdapter.this.notifyDataSetChanged();
2475                            }
2476
2477                            if (el.getAttribute("type").equals("result") || el.getAttribute("type").equals("form")) {
2478                                this.responseElement = el;
2479                                setupReported(el.findChild("reported", "jabber:x:data"));
2480                                if (mBinding != null) mBinding.form.setLayoutManager(setupLayoutManager());
2481                            }
2482
2483                            eu.siacs.conversations.xmpp.forms.Field actionList = form.getFieldByName("http://jabber.org/protocol/commands#actions");
2484                            if (actionList != null) {
2485                                actionsAdapter.clear();
2486
2487                                for (Option action : actionList.getOptions()) {
2488                                    actionsAdapter.add(Pair.create(action.getValue(), action.toString()));
2489                                }
2490                            }
2491
2492                            String fillableFieldType = null;
2493                            String fillableFieldValue = null;
2494                            for (eu.siacs.conversations.xmpp.forms.Field field : form.getFields()) {
2495                                if ((field.getType() == null || (!field.getType().equals("hidden") && !field.getType().equals("fixed"))) && field.getFieldName() != null && !field.getFieldName().equals("http://jabber.org/protocol/commands#actions")) {
2496                                    fillableFieldType = field.getType();
2497                                    fillableFieldValue = field.getValue();
2498                                    fillableFieldCount++;
2499                                }
2500                            }
2501
2502                            if (fillableFieldCount == 1 && actionsAdapter.countExceptCancel() < 2 && fillableFieldType != null && (fillableFieldType.equals("list-single") || (fillableFieldType.equals("boolean") && fillableFieldValue == null))) {
2503                                actionsCleared = true;
2504                                actionsAdapter.clearExceptCancel();
2505                            }
2506                            break;
2507                        }
2508                        if (el.getName().equals("x") && el.getNamespace().equals("jabber:x:oob")) {
2509                            String url = el.findChildContent("url", "jabber:x:oob");
2510                            if (url != null) {
2511                                String scheme = Uri.parse(url).getScheme();
2512                                if (scheme.equals("http") || scheme.equals("https")) {
2513                                    this.responseElement = el;
2514                                    break;
2515                                }
2516                                if (scheme.equals("xmpp")) {
2517                                    final Intent intent = new Intent(getView().getContext(), UriHandlerActivity.class);
2518                                    intent.setAction(Intent.ACTION_VIEW);
2519                                    intent.setData(Uri.parse(url));
2520                                    getView().getContext().startActivity(intent);
2521                                    break;
2522                                }
2523                            }
2524                        }
2525                        if (el.getName().equals("note") && el.getNamespace().equals("http://jabber.org/protocol/commands")) {
2526                            this.responseElement = el;
2527                            break;
2528                        }
2529                    }
2530
2531                    if (responseElement == null && command.getAttribute("status") != null && (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled"))) {
2532                        if (mNode.equals("jabber:iq:register") && command.getAttribute("status").equals("canceled")) {
2533                            if (xmppConnectionService.isOnboarding()) {
2534                                if (!xmppConnectionService.getPreferences().contains("onboarding_action")) {
2535                                    xmppConnectionService.getPreferences().edit().putString("onboarding_action", "cancel").commit();
2536                                }
2537                                xmppConnectionService.deleteAccount(getAccount());
2538                            }
2539                            xmppConnectionService.archiveConversation(Conversation.this);
2540                        }
2541
2542                        removeSession(this);
2543                        return;
2544                    }
2545
2546                    if (command.getAttribute("status").equals("executing") && actionsAdapter.countExceptCancel() < 1 && !actionsCleared) {
2547                        // No actions have been given, but we are not done?
2548                        // This is probably a spec violation, but we should do *something*
2549                        actionsAdapter.add(Pair.create("execute", "execute"));
2550                    }
2551
2552                    if (!actionsAdapter.isEmpty() || fillableFieldCount > 0) {
2553                        if (command.getAttribute("status").equals("completed") || command.getAttribute("status").equals("canceled")) {
2554                            actionsAdapter.add(Pair.create("close", "close"));
2555                        } else if (actionsAdapter.getPosition("cancel") < 0 && !xmppConnectionService.isOnboarding()) {
2556                            actionsAdapter.insert(Pair.create("cancel", "cancel"), 0);
2557                        }
2558                    }
2559                }
2560
2561                if (actionsAdapter.isEmpty()) {
2562                    actionsAdapter.add(Pair.create("close", "close"));
2563                }
2564
2565                actionsAdapter.sort((x, y) -> {
2566                    if (x.first.equals("cancel")) return -1;
2567                    if (y.first.equals("cancel")) return 1;
2568                    if (x.first.equals("prev") && xmppConnectionService.isOnboarding()) return -1;
2569                    if (y.first.equals("prev") && xmppConnectionService.isOnboarding()) return 1;
2570                    return 0;
2571                });
2572
2573                Data dataForm = null;
2574                if (responseElement != null && responseElement.getName().equals("x") && responseElement.getNamespace().equals("jabber:x:data")) dataForm = Data.parse(responseElement);
2575                if (mNode.equals("jabber:iq:register") &&
2576                    xmppConnectionService.getPreferences().contains("onboarding_action") &&
2577                    dataForm != null && dataForm.getFieldByName("gateway-jid") != null) {
2578
2579
2580                    dataForm.put("gateway-jid", xmppConnectionService.getPreferences().getString("onboarding_action", ""));
2581                    execute();
2582                }
2583                xmppConnectionService.getPreferences().edit().remove("onboarding_action").commit();
2584                notifyDataSetChanged();
2585            }
2586
2587            protected void setupReported(Element el) {
2588                if (el == null) {
2589                    reported = null;
2590                    return;
2591                }
2592
2593                reported = new ArrayList<>();
2594                for (Element fieldEl : el.getChildren()) {
2595                    if (!fieldEl.getName().equals("field") || !fieldEl.getNamespace().equals("jabber:x:data")) continue;
2596                    reported.add(mkField(fieldEl));
2597                }
2598            }
2599
2600            @Override
2601            public int getItemCount() {
2602                if (loading) return 1;
2603                if (response == null) return 0;
2604                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null && responseElement.getNamespace().equals("jabber:x:data")) {
2605                    int i = 0;
2606                    for (Element el : responseElement.getChildren()) {
2607                        if (!el.getNamespace().equals("jabber:x:data")) continue;
2608                        if (el.getName().equals("title")) continue;
2609                        if (el.getName().equals("field")) {
2610                            String type = el.getAttribute("type");
2611                            if (type != null && type.equals("hidden")) continue;
2612                            if (el.getAttribute("var") != null && el.getAttribute("var").equals("http://jabber.org/protocol/commands#actions")) continue;
2613                        }
2614
2615                        if (el.getName().equals("reported") || el.getName().equals("item")) {
2616                            if ((layoutManager == null ? 1 : layoutManager.getSpanCount()) < reported.size()) {
2617                                if (el.getName().equals("reported")) continue;
2618                                i += 1;
2619                            } else {
2620                                if (reported != null) i += reported.size();
2621                            }
2622                            continue;
2623                        }
2624
2625                        i++;
2626                    }
2627                    return i;
2628                }
2629                return 1;
2630            }
2631
2632            public Item getItem(int position) {
2633                if (loading) return new Item(null, TYPE_PROGRESSBAR);
2634                if (items.get(position) != null) return items.get(position);
2635                if (response == null) return null;
2636
2637                if (response.getType() == IqPacket.TYPE.RESULT && responseElement != null) {
2638                    if (responseElement.getNamespace().equals("jabber:x:data")) {
2639                        int i = 0;
2640                        for (Element el : responseElement.getChildren()) {
2641                            if (!el.getNamespace().equals("jabber:x:data")) continue;
2642                            if (el.getName().equals("title")) continue;
2643                            if (el.getName().equals("field")) {
2644                                String type = el.getAttribute("type");
2645                                if (type != null && type.equals("hidden")) continue;
2646                                if (el.getAttribute("var") != null && el.getAttribute("var").equals("http://jabber.org/protocol/commands#actions")) continue;
2647                            }
2648
2649                            if (el.getName().equals("reported") || el.getName().equals("item")) {
2650                                Cell cell = null;
2651
2652                                if (reported != null) {
2653                                    if ((layoutManager == null ? 1 : layoutManager.getSpanCount()) < reported.size()) {
2654                                        if (el.getName().equals("reported")) continue;
2655                                        if (i == position) {
2656                                            items.put(position, new Item(el, TYPE_ITEM_CARD));
2657                                            return items.get(position);
2658                                        }
2659                                    } else {
2660                                        if (reported.size() > position - i) {
2661                                            Field reportedField = reported.get(position - i);
2662                                            Element itemField = null;
2663                                            if (el.getName().equals("item")) {
2664                                                for (Element subel : el.getChildren()) {
2665                                                    if (subel.getAttribute("var").equals(reportedField.getVar())) {
2666                                                       itemField = subel;
2667                                                       break;
2668                                                    }
2669                                                }
2670                                            }
2671                                            cell = new Cell(reportedField, itemField);
2672                                        } else {
2673                                            i += reported.size();
2674                                            continue;
2675                                        }
2676                                    }
2677                                }
2678
2679                                if (cell != null) {
2680                                    items.put(position, cell);
2681                                    return cell;
2682                                }
2683                            }
2684
2685                            if (i < position) {
2686                                i++;
2687                                continue;
2688                            }
2689
2690                            return mkItem(el, position);
2691                        }
2692                    }
2693                }
2694
2695                return mkItem(responseElement == null ? response : responseElement, position);
2696            }
2697
2698            @Override
2699            public int getItemViewType(int position) {
2700                return getItem(position).viewType;
2701            }
2702
2703            @Override
2704            public ViewHolder onCreateViewHolder(ViewGroup container, int viewType) {
2705                switch(viewType) {
2706                    case TYPE_ERROR: {
2707                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
2708                        return new ErrorViewHolder(binding);
2709                    }
2710                    case TYPE_NOTE: {
2711                        CommandNoteBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_note, container, false);
2712                        return new NoteViewHolder(binding);
2713                    }
2714                    case TYPE_WEB: {
2715                        CommandWebviewBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_webview, container, false);
2716                        return new WebViewHolder(binding);
2717                    }
2718                    case TYPE_RESULT_FIELD: {
2719                        CommandResultFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_field, container, false);
2720                        return new ResultFieldViewHolder(binding);
2721                    }
2722                    case TYPE_RESULT_CELL: {
2723                        CommandResultCellBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_result_cell, container, false);
2724                        return new ResultCellViewHolder(binding);
2725                    }
2726                    case TYPE_ITEM_CARD: {
2727                        CommandItemCardBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_item_card, container, false);
2728                        return new ItemCardViewHolder(binding);
2729                    }
2730                    case TYPE_CHECKBOX_FIELD: {
2731                        CommandCheckboxFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_checkbox_field, container, false);
2732                        return new CheckboxFieldViewHolder(binding);
2733                    }
2734                    case TYPE_SEARCH_LIST_FIELD: {
2735                        CommandSearchListFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_search_list_field, container, false);
2736                        return new SearchListFieldViewHolder(binding);
2737                    }
2738                    case TYPE_RADIO_EDIT_FIELD: {
2739                        CommandRadioEditFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_radio_edit_field, container, false);
2740                        return new RadioEditFieldViewHolder(binding);
2741                    }
2742                    case TYPE_SPINNER_FIELD: {
2743                        CommandSpinnerFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_spinner_field, container, false);
2744                        return new SpinnerFieldViewHolder(binding);
2745                    }
2746                    case TYPE_BUTTON_GRID_FIELD: {
2747                        CommandButtonGridFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_button_grid_field, container, false);
2748                        return new ButtonGridFieldViewHolder(binding);
2749                    }
2750                    case TYPE_TEXT_FIELD: {
2751                        CommandTextFieldBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_text_field, container, false);
2752                        return new TextFieldViewHolder(binding);
2753                    }
2754                    case TYPE_PROGRESSBAR: {
2755                        CommandProgressBarBinding binding = DataBindingUtil.inflate(LayoutInflater.from(container.getContext()), R.layout.command_progress_bar, container, false);
2756                        return new ProgressBarViewHolder(binding);
2757                    }
2758                    default:
2759                        throw new IllegalArgumentException("Unknown viewType: " + viewType);
2760                }
2761            }
2762
2763            @Override
2764            public void onBindViewHolder(ViewHolder viewHolder, int position) {
2765                viewHolder.bind(getItem(position));
2766            }
2767
2768            public View getView() {
2769                if (mBinding == null) return null;
2770                return mBinding.getRoot();
2771            }
2772
2773            public boolean validate() {
2774                int count = getItemCount();
2775                boolean isValid = true;
2776                for (int i = 0; i < count; i++) {
2777                    boolean oneIsValid = getItem(i).validate();
2778                    isValid = isValid && oneIsValid;
2779                }
2780                notifyDataSetChanged();
2781                return isValid;
2782            }
2783
2784            public boolean execute() {
2785                return execute("execute");
2786            }
2787
2788            public boolean execute(int actionPosition) {
2789                return execute(actionsAdapter.getItem(actionPosition).first);
2790            }
2791
2792            public boolean execute(String action) {
2793                if (!action.equals("cancel") && !action.equals("prev") && !validate()) return false;
2794
2795                if (response == null) return true;
2796                Element command = response.findChild("command", "http://jabber.org/protocol/commands");
2797                if (command == null) return true;
2798                String status = command.getAttribute("status");
2799                if (status == null || (!status.equals("executing") && !action.equals("prev"))) return true;
2800
2801                if (actionToWebview != null && !action.equals("cancel")) {
2802                    actionToWebview.postWebMessage(new WebMessage("xmpp_xep0050/" + action), Uri.parse("*"));
2803                    return false;
2804                }
2805
2806                final IqPacket packet = new IqPacket(IqPacket.TYPE.SET);
2807                packet.setTo(response.getFrom());
2808                final Element c = packet.addChild("command", Namespace.COMMANDS);
2809                c.setAttribute("node", mNode);
2810                c.setAttribute("sessionid", command.getAttribute("sessionid"));
2811
2812                String formType = responseElement == null ? null : responseElement.getAttribute("type");
2813                if (!action.equals("cancel") &&
2814                    !action.equals("prev") &&
2815                    responseElement != null &&
2816                    responseElement.getName().equals("x") &&
2817                    responseElement.getNamespace().equals("jabber:x:data") &&
2818                    formType != null && formType.equals("form")) {
2819
2820                    Data form = Data.parse(responseElement);
2821                    eu.siacs.conversations.xmpp.forms.Field actionList = form.getFieldByName("http://jabber.org/protocol/commands#actions");
2822                    if (actionList != null) {
2823                        actionList.setValue(action);
2824                        c.setAttribute("action", "execute");
2825                    }
2826
2827                    if (mNode.equals("jabber:iq:register") && xmppConnectionService.isOnboarding() && form.getValue("gateway-jid") != null) {
2828                        xmppConnectionService.getPreferences().edit().putString("onboarding_action", form.getValue("gateway-jid")).commit();
2829                    }
2830
2831                    responseElement.setAttribute("type", "submit");
2832                    Element rsm = responseElement.findChild("set", "http://jabber.org/protocol/rsm");
2833                    if (rsm != null) {
2834                        Element max = new Element("max", "http://jabber.org/protocol/rsm");
2835                        max.setContent("1000");
2836                        rsm.addChild(max);
2837                    }
2838
2839                    c.addChild(responseElement);
2840                }
2841
2842                if (c.getAttribute("action") == null) c.setAttribute("action", action);
2843
2844                xmppConnectionService.sendIqPacket(getAccount(), packet, (a, iq) -> {
2845                    updateWithResponse(iq);
2846                });
2847
2848                loading();
2849                return false;
2850            }
2851
2852            protected void loading() {
2853                loadingTimer.schedule(new TimerTask() {
2854                    @Override
2855                    public void run() {
2856                        getView().post(() -> {
2857                            loading = true;
2858                            notifyDataSetChanged();
2859                        });
2860                    }
2861                }, 500);
2862            }
2863
2864            protected GridLayoutManager setupLayoutManager() {
2865                int spanCount = 1;
2866
2867                if (reported != null && mPager != null) {
2868                    float screenWidth = mPager.getContext().getResources().getDisplayMetrics().widthPixels;
2869                    TextPaint paint = ((TextView) LayoutInflater.from(mPager.getContext()).inflate(R.layout.command_result_cell, null)).getPaint();
2870                    float tableHeaderWidth = reported.stream().reduce(
2871                        0f,
2872                        (total, field) -> total + StaticLayout.getDesiredWidth(field.getLabel().or("--------"), paint),
2873                        (a, b) -> a + b
2874                    );
2875
2876                    spanCount = tableHeaderWidth > 0.65 * screenWidth ? 1 : this.reported.size();
2877                }
2878
2879                if (layoutManager != null && layoutManager.getSpanCount() != spanCount) {
2880                    items.clear();
2881                    notifyDataSetChanged();
2882                }
2883
2884                layoutManager = new GridLayoutManager(mPager.getContext(), spanCount);
2885                layoutManager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
2886                    @Override
2887                    public int getSpanSize(int position) {
2888                        if (getItemViewType(position) != TYPE_RESULT_CELL) return layoutManager.getSpanCount();
2889                        return 1;
2890                    }
2891                });
2892                return layoutManager;
2893            }
2894
2895            public void setBinding(CommandPageBinding b) {
2896                mBinding = b;
2897                // https://stackoverflow.com/a/32350474/8611
2898                mBinding.form.addOnItemTouchListener(new RecyclerView.OnItemTouchListener() {
2899                    @Override
2900                    public boolean onInterceptTouchEvent(RecyclerView rv, MotionEvent e) {
2901                        if(rv.getChildCount() > 0) {
2902                            int[] location = new int[2];
2903                            rv.getLocationOnScreen(location);
2904                            View childView = rv.findChildViewUnder(e.getX(), e.getY());
2905                            if (childView instanceof ViewGroup) {
2906                                childView = findViewAt((ViewGroup) childView, location[0] + e.getX(), location[1] + e.getY());
2907                            }
2908                            int action = e.getAction();
2909                            switch (action) {
2910                                case MotionEvent.ACTION_DOWN:
2911                                    if ((childView instanceof AbsListView && ((AbsListView) childView).canScrollList(1)) || childView instanceof WebView) {
2912                                        rv.requestDisallowInterceptTouchEvent(true);
2913                                    }
2914                                case MotionEvent.ACTION_UP:
2915                                    if ((childView instanceof AbsListView && ((AbsListView) childView).canScrollList(-11)) || childView instanceof WebView) {
2916                                        rv.requestDisallowInterceptTouchEvent(true);
2917                                    }
2918                            }
2919                        }
2920
2921                        return false;
2922                    }
2923
2924                    @Override
2925                    public void onRequestDisallowInterceptTouchEvent(boolean disallow) { }
2926
2927                    @Override
2928                    public void onTouchEvent(RecyclerView rv, MotionEvent e) { }
2929                });
2930                mBinding.form.setLayoutManager(setupLayoutManager());
2931                mBinding.form.setAdapter(this);
2932                mBinding.actions.setAdapter(actionsAdapter);
2933                mBinding.actions.setOnItemClickListener((parent, v, pos, id) -> {
2934                    if (execute(pos)) {
2935                        removeSession(CommandSession.this);
2936                    }
2937                });
2938
2939                actionsAdapter.notifyDataSetChanged();
2940
2941                if (pendingResponsePacket != null) {
2942                    final IqPacket pending = pendingResponsePacket;
2943                    pendingResponsePacket = null;
2944                    updateWithResponseUiThread(pending);
2945                }
2946            }
2947
2948            // https://stackoverflow.com/a/36037991/8611
2949            private View findViewAt(ViewGroup viewGroup, float x, float y) {
2950                for(int i = 0; i < viewGroup.getChildCount(); i++) {
2951                    View child = viewGroup.getChildAt(i);
2952                    if (child instanceof ViewGroup && !(child instanceof AbsListView) && !(child instanceof WebView)) {
2953                        View foundView = findViewAt((ViewGroup) child, x, y);
2954                        if (foundView != null && foundView.isShown()) {
2955                            return foundView;
2956                        }
2957                    } else {
2958                        int[] location = new int[2];
2959                        child.getLocationOnScreen(location);
2960                        Rect rect = new Rect(location[0], location[1], location[0] + child.getWidth(), location[1] + child.getHeight());
2961                        if (rect.contains((int)x, (int)y)) {
2962                            return child;
2963                        }
2964                    }
2965                }
2966
2967                return null;
2968            }
2969        }
2970    }
2971}