MessageAdapter.java

   1package eu.siacs.conversations.ui.adapter;
   2
   3import android.Manifest;
   4import android.app.Activity;
   5import android.content.Intent;
   6import android.content.SharedPreferences;
   7import android.content.pm.PackageManager;
   8import android.graphics.PorterDuff;
   9import android.graphics.drawable.Drawable;
  10import android.graphics.Typeface;
  11import android.net.Uri;
  12import android.os.AsyncTask;
  13import android.preference.PreferenceManager;
  14import android.text.Spannable;
  15import android.text.SpannableString;
  16import android.text.SpannableStringBuilder;
  17import android.text.format.DateUtils;
  18import android.text.style.ForegroundColorSpan;
  19import android.text.style.RelativeSizeSpan;
  20import android.text.style.StyleSpan;
  21import android.text.style.URLSpan;
  22import android.util.DisplayMetrics;
  23import android.view.MotionEvent;
  24import android.view.View;
  25import android.view.ViewGroup;
  26import android.view.WindowManager;
  27import android.widget.ArrayAdapter;
  28import android.widget.Button;
  29import android.widget.ImageView;
  30import android.widget.LinearLayout;
  31import android.widget.ListAdapter;
  32import android.widget.ListView;
  33import android.widget.RelativeLayout;
  34import android.widget.TextView;
  35import android.widget.Toast;
  36
  37import androidx.core.app.ActivityCompat;
  38import androidx.core.content.ContextCompat;
  39import androidx.core.content.res.ResourcesCompat;
  40
  41import com.cheogram.android.BobTransfer;
  42
  43import com.google.common.base.Strings;
  44
  45import com.lelloman.identicon.view.GithubIdenticonView;
  46
  47import java.io.IOException;
  48import java.net.URI;
  49import java.net.URISyntaxException;
  50import java.security.NoSuchAlgorithmException;
  51import java.util.List;
  52import java.util.Locale;
  53import java.util.regex.Matcher;
  54import java.util.regex.Pattern;
  55
  56import io.ipfs.cid.Cid;
  57
  58import me.saket.bettermovementmethod.BetterLinkMovementMethod;
  59
  60import eu.siacs.conversations.Config;
  61import eu.siacs.conversations.R;
  62import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  63import eu.siacs.conversations.entities.Account;
  64import eu.siacs.conversations.entities.Contact;
  65import eu.siacs.conversations.entities.Conversation;
  66import eu.siacs.conversations.entities.Conversational;
  67import eu.siacs.conversations.entities.DownloadableFile;
  68import eu.siacs.conversations.entities.Message.FileParams;
  69import eu.siacs.conversations.entities.Message;
  70import eu.siacs.conversations.entities.Roster;
  71import eu.siacs.conversations.entities.RtpSessionStatus;
  72import eu.siacs.conversations.entities.Transferable;
  73import eu.siacs.conversations.persistance.FileBackend;
  74import eu.siacs.conversations.services.MessageArchiveService;
  75import eu.siacs.conversations.services.NotificationService;
  76import eu.siacs.conversations.ui.ConversationFragment;
  77import eu.siacs.conversations.ui.ConversationsActivity;
  78import eu.siacs.conversations.ui.XmppActivity;
  79import eu.siacs.conversations.ui.service.AudioPlayer;
  80import eu.siacs.conversations.ui.text.DividerSpan;
  81import eu.siacs.conversations.ui.text.QuoteSpan;
  82import eu.siacs.conversations.ui.util.AvatarWorkerTask;
  83import eu.siacs.conversations.ui.util.MyLinkify;
  84import eu.siacs.conversations.ui.util.QuoteHelper;
  85import eu.siacs.conversations.ui.util.ShareUtil;
  86import eu.siacs.conversations.ui.util.StyledAttributes;
  87import eu.siacs.conversations.ui.util.ViewUtil;
  88import eu.siacs.conversations.utils.CryptoHelper;
  89import eu.siacs.conversations.utils.Emoticons;
  90import eu.siacs.conversations.utils.GeoHelper;
  91import eu.siacs.conversations.utils.MessageUtils;
  92import eu.siacs.conversations.utils.StylingHelper;
  93import eu.siacs.conversations.utils.TimeFrameUtils;
  94import eu.siacs.conversations.utils.UIHelper;
  95import eu.siacs.conversations.xmpp.Jid;
  96import eu.siacs.conversations.xmpp.mam.MamReference;
  97import eu.siacs.conversations.xml.Element;
  98
  99public class MessageAdapter extends ArrayAdapter<Message> {
 100
 101    public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
 102    private static final int SENT = 0;
 103    private static final int RECEIVED = 1;
 104    private static final int STATUS = 2;
 105    private static final int DATE_SEPARATOR = 3;
 106    private static final int RTP_SESSION = 4;
 107    private final XmppActivity activity;
 108    private final AudioPlayer audioPlayer;
 109    private List<String> highlightedTerm = null;
 110    private final DisplayMetrics metrics;
 111    private OnContactPictureClicked mOnContactPictureClickedListener;
 112    private OnContactPictureClicked mOnMessageBoxClickedListener;
 113    private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
 114    private boolean mUseGreenBackground = false;
 115    private final boolean mForceNames;
 116
 117    public MessageAdapter(final XmppActivity activity, final List<Message> messages, final boolean forceNames) {
 118        super(activity, 0, messages);
 119        this.audioPlayer = new AudioPlayer(this);
 120        this.activity = activity;
 121        metrics = getContext().getResources().getDisplayMetrics();
 122        updatePreferences();
 123        this.mForceNames = forceNames;
 124    }
 125
 126    public MessageAdapter(final XmppActivity activity, final List<Message> messages) {
 127        this(activity, messages, false);
 128    }
 129
 130    private static void resetClickListener(View... views) {
 131        for (View view : views) {
 132            if (view != null) view.setOnClickListener(null);
 133        }
 134    }
 135
 136    public void flagScreenOn() {
 137        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 138    }
 139
 140    public void flagScreenOff() {
 141        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 142    }
 143
 144    public void setVolumeControl(final int stream) {
 145        activity.setVolumeControlStream(stream);
 146    }
 147
 148    public void setOnContactPictureClicked(OnContactPictureClicked listener) {
 149        this.mOnContactPictureClickedListener = listener;
 150    }
 151
 152    public void setOnMessageBoxClicked(OnContactPictureClicked listener) {
 153        this.mOnMessageBoxClickedListener = listener;
 154    }
 155
 156    public Activity getActivity() {
 157        return activity;
 158    }
 159
 160    public void setOnContactPictureLongClicked(
 161            OnContactPictureLongClicked listener) {
 162        this.mOnContactPictureLongClickedListener = listener;
 163    }
 164
 165    @Override
 166    public int getViewTypeCount() {
 167        return 5;
 168    }
 169
 170    private int getItemViewType(Message message) {
 171        if (message.getType() == Message.TYPE_STATUS) {
 172            if (DATE_SEPARATOR_BODY.equals(message.getBody())) {
 173                return DATE_SEPARATOR;
 174            } else {
 175                return STATUS;
 176            }
 177        } else if (message.getType() == Message.TYPE_RTP_SESSION) {
 178            return RTP_SESSION;
 179        } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
 180            return RECEIVED;
 181        } else {
 182            return SENT;
 183        }
 184    }
 185
 186    @Override
 187    public int getItemViewType(int position) {
 188        return this.getItemViewType(getItem(position));
 189    }
 190
 191    private int getMessageTextColor(boolean onDark, boolean primary) {
 192        if (onDark) {
 193            return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
 194        } else {
 195            return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
 196        }
 197    }
 198
 199    private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
 200        String filesize = null;
 201        String info = null;
 202        boolean error = false;
 203        if (viewHolder.indicatorReceived != null) {
 204            viewHolder.indicatorReceived.setVisibility(View.GONE);
 205        }
 206
 207        if (viewHolder.edit_indicator != null) {
 208            if (message.edited()) {
 209                viewHolder.edit_indicator.setVisibility(View.VISIBLE);
 210                viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
 211                viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
 212            } else {
 213                viewHolder.edit_indicator.setVisibility(View.GONE);
 214            }
 215        }
 216        final Transferable transferable = message.getTransferable();
 217        boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
 218                && message.getMergedStatus() <= Message.STATUS_RECEIVED;
 219        if (message.isFileOrImage() || transferable != null || MessageUtils.unInitiatedButKnownSize(message)) {
 220            FileParams params = message.getFileParams();
 221            filesize = params.size != null ? UIHelper.filesizeToString(params.size) : null;
 222            if (transferable != null && (transferable.getStatus() == Transferable.STATUS_FAILED || transferable.getStatus() == Transferable.STATUS_CANCELLED)) {
 223                error = true;
 224            }
 225        }
 226        switch (message.getMergedStatus()) {
 227            case Message.STATUS_WAITING:
 228                info = getContext().getString(R.string.waiting);
 229                break;
 230            case Message.STATUS_UNSEND:
 231                if (transferable != null) {
 232                    info = getContext().getString(R.string.sending_file, transferable.getProgress());
 233                } else {
 234                    info = getContext().getString(R.string.sending);
 235                }
 236                break;
 237            case Message.STATUS_OFFERED:
 238                info = getContext().getString(R.string.offering);
 239                break;
 240            case Message.STATUS_SEND_RECEIVED:
 241            case Message.STATUS_SEND_DISPLAYED:
 242                viewHolder.indicatorReceived.setImageResource(darkBackground ? R.drawable.ic_done_white_18dp : R.drawable.ic_done_black_18dp);
 243                viewHolder.indicatorReceived.setAlpha(darkBackground ? 0.7f : 0.57f);
 244                viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
 245                break;
 246            case Message.STATUS_SEND_FAILED:
 247                final String errorMessage = message.getErrorMessage();
 248                if (Message.ERROR_MESSAGE_CANCELLED.equals(errorMessage)) {
 249                    info = getContext().getString(R.string.cancelled);
 250                } else if (errorMessage != null) {
 251                    final String[] errorParts = errorMessage.split("\\u001f", 2);
 252                    if (errorParts.length == 2) {
 253                        switch (errorParts[0]) {
 254                            case "file-too-large":
 255                                info = getContext().getString(R.string.file_too_large);
 256                                break;
 257                            default:
 258                                info = getContext().getString(R.string.send_failed);
 259                                break;
 260                        }
 261                    } else {
 262                        info = getContext().getString(R.string.send_failed);
 263                    }
 264                } else {
 265                    info = getContext().getString(R.string.send_failed);
 266                }
 267                error = true;
 268                break;
 269            default:
 270                if (mForceNames || multiReceived) {
 271                    info = UIHelper.getMessageDisplayName(message);
 272                }
 273                break;
 274        }
 275        if (error && type == SENT) {
 276            if (darkBackground) {
 277                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning_OnDark);
 278            } else {
 279                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
 280            }
 281        } else {
 282            if (darkBackground) {
 283                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_OnDark);
 284            } else {
 285                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption);
 286            }
 287            viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground, false));
 288        }
 289        if (message.getEncryption() == Message.ENCRYPTION_NONE) {
 290            viewHolder.indicator.setVisibility(View.GONE);
 291        } else {
 292            boolean verified = false;
 293            if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
 294                final FingerprintStatus status = message.getConversation()
 295                        .getAccount().getAxolotlService().getFingerprintTrust(
 296                                message.getFingerprint());
 297                if (status != null && status.isVerified()) {
 298                    verified = true;
 299                }
 300            }
 301            if (verified) {
 302                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
 303            } else {
 304                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
 305            }
 306            if (darkBackground) {
 307                viewHolder.indicator.setAlpha(0.7f);
 308            } else {
 309                viewHolder.indicator.setAlpha(0.57f);
 310            }
 311            viewHolder.indicator.setVisibility(View.VISIBLE);
 312        }
 313
 314        final String formattedTime = UIHelper.readableTimeDifferenceFull(getContext(), message.getMergedTimeSent());
 315        final String bodyLanguage = message.getBodyLanguage();
 316        final String bodyLanguageInfo = bodyLanguage == null ? "" : String.format(" \u00B7 %s", bodyLanguage.toUpperCase(Locale.US));
 317        if (message.getStatus() <= Message.STATUS_RECEIVED) {
 318            if ((filesize != null) && (info != null)) {
 319                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + " \u00B7 " + info + bodyLanguageInfo);
 320            } else if ((filesize == null) && (info != null)) {
 321                viewHolder.time.setText(formattedTime + " \u00B7 " + info + bodyLanguageInfo);
 322            } else if ((filesize != null) && (info == null)) {
 323                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + bodyLanguageInfo);
 324            } else {
 325                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
 326            }
 327        } else {
 328            if ((filesize != null) && (info != null)) {
 329                viewHolder.time.setText(filesize + " \u00B7 " + info + bodyLanguageInfo);
 330            } else if ((filesize == null) && (info != null)) {
 331                if (error) {
 332                    viewHolder.time.setText(info + " \u00B7 " + formattedTime + bodyLanguageInfo);
 333                } else {
 334                    viewHolder.time.setText(info);
 335                }
 336            } else if ((filesize != null) && (info == null)) {
 337                viewHolder.time.setText(filesize + " \u00B7 " + formattedTime + bodyLanguageInfo);
 338            } else {
 339                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
 340            }
 341        }
 342    }
 343
 344    private void displayInfoMessage(ViewHolder viewHolder, CharSequence text, boolean darkBackground) {
 345        viewHolder.download_button.setVisibility(View.GONE);
 346        viewHolder.audioPlayer.setVisibility(View.GONE);
 347        viewHolder.image.setVisibility(View.GONE);
 348        viewHolder.messageBody.setVisibility(View.VISIBLE);
 349        viewHolder.messageBody.setText(text);
 350        if (darkBackground) {
 351            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary_OnDark);
 352        } else {
 353            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary);
 354        }
 355        viewHolder.messageBody.setTextIsSelectable(false);
 356    }
 357
 358    private void displayEmojiMessage(final ViewHolder viewHolder, final String body, final boolean darkBackground) {
 359        viewHolder.download_button.setVisibility(View.GONE);
 360        viewHolder.audioPlayer.setVisibility(View.GONE);
 361        viewHolder.image.setVisibility(View.GONE);
 362        viewHolder.messageBody.setVisibility(View.VISIBLE);
 363        if (darkBackground) {
 364            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji_OnDark);
 365        } else {
 366            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji);
 367        }
 368        Spannable span = new SpannableString(body);
 369        float size = Emoticons.isEmoji(body) ? 3.0f : 2.0f;
 370        span.setSpan(new RelativeSizeSpan(size), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 371        viewHolder.messageBody.setText(span);
 372    }
 373
 374    private void applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
 375        if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
 376            body.insert(start++, "\n");
 377            body.setSpan(
 378                new DividerSpan(false),
 379                start - ("\n".equals(body.subSequence(start - 2, start - 1).toString()) ? 2 : 1),
 380                start,
 381                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
 382            );
 383            end++;
 384        }
 385        if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
 386            body.insert(end, "\n");
 387            body.setSpan(
 388                new DividerSpan(false),
 389                end,
 390                end + ("\n".equals(body.subSequence(end + 1, end + 2).toString()) ? 2 : 1),
 391                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
 392            );
 393        }
 394        int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
 395                : ContextCompat.getColor(activity, R.color.green700_desaturated);
 396        DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
 397        body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 398    }
 399
 400    /**
 401     * Applies QuoteSpan to group of lines which starts with > or » characters.
 402     * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
 403     */
 404    private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
 405        boolean startsWithQuote = false;
 406        int quoteDepth = 1;
 407        while (QuoteHelper.bodyContainsQuoteStart(body) && quoteDepth <= Config.QUOTE_MAX_DEPTH) {
 408            char previous = '\n';
 409            int lineStart = -1;
 410            int lineTextStart = -1;
 411            int quoteStart = -1;
 412            for (int i = 0; i <= body.length(); i++) {
 413                char current = body.length() > i ? body.charAt(i) : '\n';
 414                if (lineStart == -1) {
 415                    if (previous == '\n') {
 416                        if (i < body.length() && QuoteHelper.isPositionQuoteStart(body, i)) {
 417                            // Line start with quote
 418                            lineStart = i;
 419                            if (quoteStart == -1) quoteStart = i;
 420                            if (i == 0) startsWithQuote = true;
 421                        } else if (quoteStart >= 0) {
 422                            // Line start without quote, apply spans there
 423                            applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
 424                            quoteStart = -1;
 425                        }
 426                    }
 427                } else {
 428                    // Remove extra spaces between > and first character in the line
 429                    // > character will be removed too
 430                    if (current != ' ' && lineTextStart == -1) {
 431                        lineTextStart = i;
 432                    }
 433                    if (current == '\n') {
 434                        body.delete(lineStart, lineTextStart);
 435                        i -= lineTextStart - lineStart;
 436                        if (i == lineStart) {
 437                            // Avoid empty lines because span over empty line can be hidden
 438                            body.insert(i++, " ");
 439                        }
 440                        lineStart = -1;
 441                        lineTextStart = -1;
 442                    }
 443                }
 444                previous = current;
 445            }
 446            if (quoteStart >= 0) {
 447                // Apply spans to finishing open quote
 448                applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
 449            }
 450            quoteDepth++;
 451        }
 452        return startsWithQuote;
 453    }
 454
 455    private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
 456        viewHolder.download_button.setVisibility(View.GONE);
 457        viewHolder.image.setVisibility(View.GONE);
 458        viewHolder.audioPlayer.setVisibility(View.GONE);
 459        viewHolder.messageBody.setVisibility(View.GONE);
 460
 461        if (darkBackground) {
 462            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_OnDark);
 463        } else {
 464            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1);
 465        }
 466        viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
 467                ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
 468        viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
 469
 470        if (message.getBody() != null && !message.getBody().equals("")) {
 471            viewHolder.messageBody.setVisibility(View.VISIBLE);
 472            final String nick = UIHelper.getMessageDisplayName(message);
 473            Drawable fallbackImg = ResourcesCompat.getDrawable(activity.getResources(), activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo), null);
 474            fallbackImg.setBounds(FileBackend.rectForSize(fallbackImg.getIntrinsicWidth(), fallbackImg.getIntrinsicHeight(), (int) (metrics.density * 32)));
 475            SpannableStringBuilder body = message.getMergedBody((cid) -> {
 476                try {
 477                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
 478                    if (f == null || !f.canRead()) {
 479                        if (!message.trusted() && !message.getConversation().canInferPresence()) return null;
 480
 481                        try {
 482                            new BobTransfer(BobTransfer.uri(cid), message.getConversation().getAccount(), message.getCounterpart(), activity.xmppConnectionService).start();
 483                        } catch (final NoSuchAlgorithmException | URISyntaxException e) { }
 484                        return null;
 485                    }
 486
 487                    Drawable d = activity.xmppConnectionService.getFileBackend().getThumbnail(f, activity.getResources(), (int) (metrics.density * 288), true);
 488                    if (d == null) {
 489                        new ThumbnailTask().execute(f);
 490                    } else {
 491                        d = d.getConstantState().newDrawable();
 492                        d.setBounds(FileBackend.rectForSize(d.getIntrinsicWidth(), d.getIntrinsicHeight(), (int) (metrics.density * 32)));
 493                    }
 494                    return d;
 495                } catch (final IOException e) {
 496                    return fallbackImg;
 497                }
 498            }, fallbackImg);
 499            boolean hasMeCommand = message.hasMeCommand();
 500            if (hasMeCommand) {
 501                body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
 502            }
 503            if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
 504                body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
 505                body.append("\u2026");
 506            }
 507            Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
 508            for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
 509                int start = body.getSpanStart(mergeSeparator);
 510                int end = body.getSpanEnd(mergeSeparator);
 511                body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 512            }
 513            for (final android.text.style.QuoteSpan quote : body.getSpans(0, body.length(), android.text.style.QuoteSpan.class)) {
 514                int start = body.getSpanStart(quote);
 515                int end = body.getSpanEnd(quote);
 516                body.removeSpan(quote);
 517                applyQuoteSpan(body, start, end, darkBackground);
 518            }
 519            boolean startsWithQuote = handleTextQuotes(body, darkBackground);
 520            if (!message.isPrivateMessage()) {
 521                if (hasMeCommand) {
 522                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
 523                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 524                }
 525            } else {
 526                String privateMarker;
 527                if (message.getStatus() <= Message.STATUS_RECEIVED) {
 528                    privateMarker = activity.getString(R.string.private_message);
 529                } else {
 530                    Jid cp = message.getCounterpart();
 531                    privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
 532                }
 533                body.insert(0, privateMarker);
 534                int privateMarkerIndex = privateMarker.length();
 535                if (startsWithQuote) {
 536                    body.insert(privateMarkerIndex, "\n\n");
 537                    body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
 538                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 539                } else {
 540                    body.insert(privateMarkerIndex, " ");
 541                }
 542                body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 543                body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 544                if (hasMeCommand) {
 545                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
 546                            privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 547                }
 548            }
 549            if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
 550                if (message.getConversation() instanceof Conversation) {
 551                    final Conversation conversation = (Conversation) message.getConversation();
 552                    Pattern pattern = NotificationService.generateNickHighlightPattern(conversation.getMucOptions().getActualNick());
 553                    Matcher matcher = pattern.matcher(body);
 554                    while (matcher.find()) {
 555                        body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 556                    }
 557                }
 558            }
 559            Matcher matcher = Emoticons.getEmojiPattern(body).matcher(body);
 560            while (matcher.find()) {
 561                if (matcher.start() < matcher.end()) {
 562                    body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 563                }
 564            }
 565
 566            StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
 567            if (highlightedTerm != null) {
 568                StylingHelper.highlight(activity, body, highlightedTerm, StylingHelper.isDarkText(viewHolder.messageBody));
 569            }
 570            MyLinkify.addLinks(body, message.getConversation().getAccount());
 571            viewHolder.messageBody.setAutoLinkMask(0);
 572            viewHolder.messageBody.setText(body);
 573            BetterLinkMovementMethod method = BetterLinkMovementMethod.newInstance();
 574            method.setOnLinkLongClickListener((tv, url) -> {
 575                tv.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
 576                ShareUtil.copyLinkToClipboard(activity, url);
 577                return true;
 578            });
 579            viewHolder.messageBody.setMovementMethod(method);
 580        } else {
 581            viewHolder.messageBody.setText("");
 582            viewHolder.messageBody.setTextIsSelectable(false);
 583        }
 584    }
 585
 586    private void displayDownloadableMessage(ViewHolder viewHolder, final Message message, String text, final boolean darkBackground, final int type) {
 587        displayTextMessage(viewHolder, message, darkBackground, type);
 588        viewHolder.image.setVisibility(View.GONE);
 589        viewHolder.audioPlayer.setVisibility(View.GONE);
 590        viewHolder.download_button.setVisibility(View.VISIBLE);
 591        viewHolder.download_button.setText(text);
 592        viewHolder.download_button.setOnClickListener(v -> ConversationFragment.downloadFile(activity, message));
 593    }
 594
 595    private void displayOpenableMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 596        displayTextMessage(viewHolder, message, darkBackground, type);
 597        viewHolder.image.setVisibility(View.GONE);
 598        viewHolder.audioPlayer.setVisibility(View.GONE);
 599        viewHolder.download_button.setVisibility(View.VISIBLE);
 600        viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
 601        viewHolder.download_button.setOnClickListener(v -> openDownloadable(message));
 602    }
 603
 604    private void displayLocationMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 605        displayTextMessage(viewHolder, message, darkBackground, type);
 606        viewHolder.image.setVisibility(View.GONE);
 607        viewHolder.audioPlayer.setVisibility(View.GONE);
 608        viewHolder.download_button.setVisibility(View.VISIBLE);
 609        viewHolder.download_button.setText(R.string.show_location);
 610        viewHolder.download_button.setOnClickListener(v -> showLocation(message));
 611    }
 612
 613    private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground, final int type) {
 614        displayTextMessage(viewHolder, message, darkBackground, type);
 615        viewHolder.image.setVisibility(View.GONE);
 616        viewHolder.download_button.setVisibility(View.GONE);
 617        final RelativeLayout audioPlayer = viewHolder.audioPlayer;
 618        audioPlayer.setVisibility(View.VISIBLE);
 619        AudioPlayer.ViewHolder.get(audioPlayer).setDarkBackground(darkBackground);
 620        this.audioPlayer.init(audioPlayer, message);
 621    }
 622
 623    private void displayMediaPreviewMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 624        displayTextMessage(viewHolder, message, darkBackground, type);
 625        viewHolder.download_button.setVisibility(View.GONE);
 626        viewHolder.audioPlayer.setVisibility(View.GONE);
 627        viewHolder.image.setVisibility(View.VISIBLE);
 628        final FileParams params = message.getFileParams();
 629        final float target = activity.getResources().getDimension(R.dimen.image_preview_width);
 630        final int scaledW;
 631        final int scaledH;
 632        if (Math.max(params.height, params.width) * metrics.density <= target) {
 633            scaledW = (int) (params.width * metrics.density);
 634            scaledH = (int) (params.height * metrics.density);
 635        } else if (Math.max(params.height, params.width) <= target) {
 636            scaledW = params.width;
 637            scaledH = params.height;
 638        } else if (params.width <= params.height) {
 639            scaledW = (int) (params.width / ((double) params.height / target));
 640            scaledH = (int) target;
 641        } else {
 642            scaledW = (int) target;
 643            scaledH = (int) (params.height / ((double) params.width / target));
 644        }
 645        final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
 646        layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
 647        viewHolder.image.setLayoutParams(layoutParams);
 648        activity.loadBitmap(message, viewHolder.image);
 649        viewHolder.image.setOnClickListener(v -> openDownloadable(message));
 650    }
 651
 652    private void toggleWhisperInfo(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
 653        if (message.isPrivateMessage()) {
 654            final String privateMarker;
 655            if (message.getStatus() <= Message.STATUS_RECEIVED) {
 656                privateMarker = activity.getString(R.string.private_message);
 657            } else {
 658                Jid cp = message.getCounterpart();
 659                privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
 660            }
 661            final SpannableString body = new SpannableString(privateMarker);
 662            body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 663            body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 664            viewHolder.messageBody.setText(body);
 665            viewHolder.messageBody.setVisibility(View.VISIBLE);
 666        } else {
 667            viewHolder.messageBody.setVisibility(View.GONE);
 668        }
 669    }
 670
 671    private void loadMoreMessages(Conversation conversation) {
 672        conversation.setLastClearHistory(0, null);
 673        activity.xmppConnectionService.updateConversation(conversation);
 674        conversation.setHasMessagesLeftOnServer(true);
 675        conversation.setFirstMamReference(null);
 676        long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
 677        if (timestamp == 0) {
 678            timestamp = System.currentTimeMillis();
 679        }
 680        conversation.messagesLoaded.set(true);
 681        MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
 682        if (query != null) {
 683            Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
 684        } else {
 685            Toast.makeText(activity, R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
 686        }
 687    }
 688
 689    @Override
 690    public View getView(int position, View view, ViewGroup parent) {
 691        final Message message = getItem(position);
 692        final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
 693        final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
 694        final Conversational conversation = message.getConversation();
 695        final Account account = conversation.getAccount();
 696        final List<Element> commands = message.getCommands();
 697        final int type = getItemViewType(position);
 698        ViewHolder viewHolder;
 699        if (view == null) {
 700            viewHolder = new ViewHolder();
 701            switch (type) {
 702                case DATE_SEPARATOR:
 703                    view = activity.getLayoutInflater().inflate(R.layout.message_date_bubble, parent, false);
 704                    viewHolder.status_message = view.findViewById(R.id.message_body);
 705                    viewHolder.message_box = view.findViewById(R.id.message_box);
 706                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 707                    break;
 708                case RTP_SESSION:
 709                    view = activity.getLayoutInflater().inflate(R.layout.message_rtp_session, parent, false);
 710                    viewHolder.status_message = view.findViewById(R.id.message_body);
 711                    viewHolder.message_box = view.findViewById(R.id.message_box);
 712                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 713                    break;
 714                case SENT:
 715                    view = activity.getLayoutInflater().inflate(R.layout.message_sent, parent, false);
 716                    viewHolder.message_box = view.findViewById(R.id.message_box);
 717                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 718                    viewHolder.download_button = view.findViewById(R.id.download_button);
 719                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
 720                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 721                    viewHolder.image = view.findViewById(R.id.message_image);
 722                    viewHolder.messageBody = view.findViewById(R.id.message_body);
 723                    viewHolder.time = view.findViewById(R.id.message_time);
 724                    viewHolder.subject = view.findViewById(R.id.message_subject);
 725                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 726                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 727                    viewHolder.thread_identicon = view.findViewById(R.id.thread_identicon);
 728                    break;
 729                case RECEIVED:
 730                    view = activity.getLayoutInflater().inflate(R.layout.message_received, parent, false);
 731                    viewHolder.message_box = view.findViewById(R.id.message_box);
 732                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 733                    viewHolder.download_button = view.findViewById(R.id.download_button);
 734                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
 735                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 736                    viewHolder.image = view.findViewById(R.id.message_image);
 737                    viewHolder.messageBody = view.findViewById(R.id.message_body);
 738                    viewHolder.time = view.findViewById(R.id.message_time);
 739                    viewHolder.subject = view.findViewById(R.id.message_subject);
 740                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 741                    viewHolder.encryption = view.findViewById(R.id.message_encryption);
 742                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 743                    viewHolder.commands_list = view.findViewById(R.id.commands_list);
 744                    viewHolder.thread_identicon = view.findViewById(R.id.thread_identicon);
 745                    break;
 746                case STATUS:
 747                    view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
 748                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 749                    viewHolder.status_message = view.findViewById(R.id.status_message);
 750                    viewHolder.load_more_messages = view.findViewById(R.id.load_more_messages);
 751                    break;
 752                default:
 753                    throw new AssertionError("Unknown view type");
 754            }
 755            view.setTag(viewHolder);
 756        } else {
 757            viewHolder = (ViewHolder) view.getTag();
 758            if (viewHolder == null) {
 759                return view;
 760            }
 761        }
 762
 763        if (viewHolder.thread_identicon != null) {
 764            viewHolder.thread_identicon.setVisibility(View.GONE);
 765            final Element thread = message.getThread();
 766            if (thread != null) {
 767                final String threadId = thread.getContent();
 768                if (threadId != null) {
 769                    viewHolder.thread_identicon.setVisibility(View.VISIBLE);
 770                    viewHolder.thread_identicon.setColor(UIHelper.getColorForName(threadId));
 771                    viewHolder.thread_identicon.setHash(UIHelper.identiconHash(threadId));
 772                }
 773            }
 774        }
 775
 776        boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
 777
 778        if (type == DATE_SEPARATOR) {
 779            if (UIHelper.today(message.getTimeSent())) {
 780                viewHolder.status_message.setText(R.string.today);
 781            } else if (UIHelper.yesterday(message.getTimeSent())) {
 782                viewHolder.status_message.setText(R.string.yesterday);
 783            } else {
 784                viewHolder.status_message.setText(DateUtils.formatDateTime(activity, message.getTimeSent(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR));
 785            }
 786            viewHolder.message_box.setBackgroundResource(activity.isDarkTheme() ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 787            return view;
 788        } else if (type == RTP_SESSION) {
 789            final boolean isDarkTheme = activity.isDarkTheme();
 790            final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
 791            final RtpSessionStatus rtpSessionStatus = RtpSessionStatus.of(message.getBody());
 792            final long duration = rtpSessionStatus.duration;
 793            final String callTime = UIHelper.readableTimeDifferenceFull(activity, message.getTimeSent());
 794            if (received) {
 795                if (duration > 0) {
 796                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_duration_timestamp, TimeFrameUtils.resolve(activity, duration), callTime));
 797                } else if (rtpSessionStatus.successful) {
 798                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_timestamp, callTime));
 799                } else {
 800                    viewHolder.status_message.setText(activity.getString(R.string.missed_call_timestamp, callTime));
 801                }
 802            } else {
 803                if (duration > 0) {
 804                    viewHolder.status_message.setText(activity.getString(R.string.outgoing_call_duration_timestamp, TimeFrameUtils.resolve(activity, duration), callTime));
 805                } else {
 806                    viewHolder.status_message.setText(activity.getString(R.string.outgoing_call_timestamp, callTime));
 807                }
 808            }
 809            viewHolder.indicatorReceived.setImageResource(RtpSessionStatus.getDrawable(received, rtpSessionStatus.successful, isDarkTheme));
 810            viewHolder.indicatorReceived.setAlpha(isDarkTheme ? 0.7f : 0.57f);
 811            viewHolder.message_box.setBackgroundResource(isDarkTheme ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 812            return view;
 813        } else if (type == STATUS) {
 814            if ("LOAD_MORE".equals(message.getBody())) {
 815                viewHolder.status_message.setVisibility(View.GONE);
 816                viewHolder.contact_picture.setVisibility(View.GONE);
 817                viewHolder.load_more_messages.setVisibility(View.VISIBLE);
 818                viewHolder.load_more_messages.setOnClickListener(v -> loadMoreMessages((Conversation) message.getConversation()));
 819            } else {
 820                viewHolder.status_message.setVisibility(View.VISIBLE);
 821                viewHolder.load_more_messages.setVisibility(View.GONE);
 822                viewHolder.status_message.setText(message.getBody());
 823                boolean showAvatar;
 824                if (conversation.getMode() == Conversation.MODE_SINGLE) {
 825                    showAvatar = true;
 826                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
 827                } else if (message.getCounterpart() != null || message.getTrueCounterpart() != null || (message.getCounterparts() != null && message.getCounterparts().size() > 0)) {
 828                    showAvatar = true;
 829                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
 830                } else {
 831                    showAvatar = false;
 832                }
 833                if (showAvatar) {
 834                    viewHolder.contact_picture.setAlpha(0.5f);
 835                    viewHolder.contact_picture.setVisibility(View.VISIBLE);
 836                } else {
 837                    viewHolder.contact_picture.setVisibility(View.GONE);
 838                }
 839            }
 840            return view;
 841        } else {
 842            AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar);
 843        }
 844
 845        resetClickListener(viewHolder.message_box, viewHolder.messageBody);
 846
 847        viewHolder.message_box.setOnClickListener(v -> {
 848            if (MessageAdapter.this.mOnMessageBoxClickedListener != null) {
 849                MessageAdapter.this.mOnMessageBoxClickedListener
 850                        .onContactPictureClicked(message);
 851            }
 852        });
 853        viewHolder.messageBody.setOnClickListener(v -> {
 854            if (MessageAdapter.this.mOnMessageBoxClickedListener != null) {
 855                MessageAdapter.this.mOnMessageBoxClickedListener
 856                        .onContactPictureClicked(message);
 857            }
 858        });
 859        viewHolder.contact_picture.setOnClickListener(v -> {
 860            if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
 861                MessageAdapter.this.mOnContactPictureClickedListener
 862                        .onContactPictureClicked(message);
 863            }
 864
 865        });
 866        viewHolder.contact_picture.setOnLongClickListener(v -> {
 867            if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
 868                MessageAdapter.this.mOnContactPictureLongClickedListener
 869                        .onContactPictureLongClicked(v, message);
 870                return true;
 871            } else {
 872                return false;
 873            }
 874        });
 875
 876        final Transferable transferable = message.getTransferable();
 877        final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
 878        if (unInitiatedButKnownSize || message.isDeleted() || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING)) {
 879            if (unInitiatedButKnownSize || transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER) {
 880                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)), darkBackground, type);
 881            } else if (transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
 882                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)), darkBackground, type);
 883            } else {
 884                displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first, darkBackground);
 885            }
 886        } else if (message.isFileOrImage() && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
 887            if (message.getFileParams().width > 0 && message.getFileParams().height > 0) {
 888                displayMediaPreviewMessage(viewHolder, message, darkBackground, type);
 889            } else if (message.getFileParams().runtime > 0) {
 890                displayAudioMessage(viewHolder, message, darkBackground, type);
 891            } else {
 892                displayOpenableMessage(viewHolder, message, darkBackground, type);
 893            }
 894        } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 895            if (account.isPgpDecryptionServiceConnected()) {
 896                if (conversation instanceof Conversation && !account.hasPendingPgpIntent((Conversation) conversation)) {
 897                    displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
 898                } else {
 899                    displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
 900                }
 901            } else {
 902                displayInfoMessage(viewHolder, activity.getString(R.string.install_openkeychain), darkBackground);
 903                viewHolder.message_box.setOnClickListener(this::promptOpenKeychainInstall);
 904                viewHolder.messageBody.setOnClickListener(this::promptOpenKeychainInstall);
 905            }
 906        } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
 907            displayInfoMessage(viewHolder, activity.getString(R.string.decryption_failed), darkBackground);
 908        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
 909            displayInfoMessage(viewHolder, activity.getString(R.string.not_encrypted_for_this_device), darkBackground);
 910        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
 911            displayInfoMessage(viewHolder, activity.getString(R.string.omemo_decryption_failed), darkBackground);
 912        } else {
 913            if (message.isGeoUri()) {
 914                displayLocationMessage(viewHolder, message, darkBackground, type);
 915            } else if (message.treatAsDownloadable()) {
 916                try {
 917                    final URI uri = message.getOob();
 918                    displayDownloadableMessage(viewHolder,
 919                            message,
 920                            activity.getString(R.string.check_x_filesize_on_host,
 921                                    UIHelper.getFileDescriptionString(activity, message),
 922                                    uri.getHost()),
 923                            darkBackground, type);
 924                } catch (Exception e) {
 925                    displayDownloadableMessage(viewHolder,
 926                            message,
 927                            activity.getString(R.string.check_x_filesize,
 928                                    UIHelper.getFileDescriptionString(activity, message)),
 929                            darkBackground, type);
 930                }
 931            } else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
 932                displayEmojiMessage(viewHolder, message.getBody().trim(), darkBackground);
 933            } else {
 934                displayTextMessage(viewHolder, message, darkBackground, type);
 935            }
 936        }
 937
 938        if (type == RECEIVED) {
 939            if (commands != null && conversation instanceof Conversation) {
 940                CommandButtonAdapter adapter = new CommandButtonAdapter(activity);
 941                adapter.addAll(commands);
 942                viewHolder.commands_list.setAdapter(adapter);
 943                viewHolder.commands_list.setVisibility(View.VISIBLE);
 944                viewHolder.commands_list.setOnItemClickListener((p, v, pos, id) -> {
 945                    final Element command = adapter.getItem(pos);
 946                    activity.startCommand(conversation.getAccount(), command.getAttributeAsJid("jid"), command.getAttribute("node"));
 947                });
 948            } else {
 949                // It's unclear if we can set this to null...
 950                ListAdapter adapter = viewHolder.commands_list.getAdapter();
 951                if (adapter instanceof ArrayAdapter) {
 952                    ((ArrayAdapter<?>) adapter).clear();
 953                }
 954                viewHolder.commands_list.setVisibility(View.GONE);
 955                viewHolder.commands_list.setOnItemClickListener(null);
 956            }
 957
 958            if (isInValidSession) {
 959                if (!mUseGreenBackground) {
 960                    viewHolder.message_box.getBackground().setColorFilter(
 961                        StyledAttributes.getColor(activity, mUseGreenBackground ? R.attr.message_bubble_received_bg : R.attr.color_background_primary),
 962                        PorterDuff.Mode.SRC_ATOP
 963                    );
 964                }
 965                viewHolder.encryption.setVisibility(View.GONE);
 966            } else {
 967                viewHolder.encryption.setVisibility(View.VISIBLE);
 968                if (omemoEncryption && !message.isTrusted()) {
 969                    viewHolder.encryption.setText(R.string.not_trusted);
 970                } else {
 971                    viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
 972                }
 973            }
 974        }
 975
 976        if (type == RECEIVED || type == SENT) {
 977            if (message.getSubject() == null) {
 978                viewHolder.subject.setVisibility(View.GONE);
 979            } else {
 980                viewHolder.subject.setVisibility(View.VISIBLE);
 981                viewHolder.subject.setText(message.getSubject());
 982            }
 983        }
 984
 985        displayStatus(viewHolder, message, type, darkBackground);
 986
 987        return view;
 988    }
 989
 990    private void promptOpenKeychainInstall(View view) {
 991        activity.showInstallPgpDialog();
 992    }
 993
 994    public FileBackend getFileBackend() {
 995        return activity.xmppConnectionService.getFileBackend();
 996    }
 997
 998    public void stopAudioPlayer() {
 999        audioPlayer.stop();
1000    }
1001
1002    public void unregisterListenerInAudioPlayer() {
1003        audioPlayer.unregisterListener();
1004    }
1005
1006    public void startStopPending() {
1007        audioPlayer.startStopPending();
1008    }
1009
1010    public void openDownloadable(Message message) {
1011        if (ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
1012            ConversationFragment.registerPendingMessage(activity, message);
1013            ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, ConversationsActivity.REQUEST_OPEN_MESSAGE);
1014            return;
1015        }
1016        final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
1017        ViewUtil.view(activity, file);
1018    }
1019
1020    private void showLocation(Message message) {
1021        for (Intent intent : GeoHelper.createGeoIntentsFromMessage(activity, message)) {
1022            if (intent.resolveActivity(getContext().getPackageManager()) != null) {
1023                getContext().startActivity(intent);
1024                return;
1025            }
1026        }
1027        Toast.makeText(activity, R.string.no_application_found_to_display_location, Toast.LENGTH_SHORT).show();
1028    }
1029
1030    public void updatePreferences() {
1031        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1032        this.mUseGreenBackground = p.getBoolean("use_green_background", activity.getResources().getBoolean(R.bool.use_green_background));
1033    }
1034
1035
1036    public void setHighlightedTerm(List<String> terms) {
1037        this.highlightedTerm = terms == null ? null : StylingHelper.filterHighlightedWords(terms);
1038    }
1039
1040    public interface OnContactPictureClicked {
1041        void onContactPictureClicked(Message message);
1042    }
1043
1044    public interface OnContactPictureLongClicked {
1045        void onContactPictureLongClicked(View v, Message message);
1046    }
1047
1048    private static class ViewHolder {
1049
1050        public Button load_more_messages;
1051        public ImageView edit_indicator;
1052        public RelativeLayout audioPlayer;
1053        protected LinearLayout message_box;
1054        protected Button download_button;
1055        protected ImageView image;
1056        protected ImageView indicator;
1057        protected ImageView indicatorReceived;
1058        protected TextView time;
1059        protected TextView subject;
1060        protected TextView messageBody;
1061        protected ImageView contact_picture;
1062        protected TextView status_message;
1063        protected TextView encryption;
1064        protected ListView commands_list;
1065        protected GithubIdenticonView thread_identicon;
1066    }
1067
1068    class ThumbnailTask extends AsyncTask<DownloadableFile, Void, Drawable[]> {
1069        @Override
1070        protected Drawable[] doInBackground(DownloadableFile... params) {
1071            if (isCancelled()) return null;
1072
1073            Drawable[] d = new Drawable[params.length];
1074            for (int i = 0; i < params.length; i++) {
1075                try {
1076                    d[i] = activity.xmppConnectionService.getFileBackend().getThumbnail(params[i], activity.getResources(), (int) (metrics.density * 288), false);
1077                } catch (final IOException e) {
1078                    d[i] = null;
1079                }
1080            }
1081
1082            return d;
1083        }
1084
1085        @Override
1086        protected void onPostExecute(final Drawable[] d) {
1087            if (isCancelled()) return;
1088            activity.xmppConnectionService.updateConversationUi();
1089        }
1090    }
1091}