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.style.ImageSpan;
  18import android.text.style.ClickableSpan;
  19import android.text.format.DateUtils;
  20import android.text.style.ForegroundColorSpan;
  21import android.text.style.RelativeSizeSpan;
  22import android.text.style.StyleSpan;
  23import android.text.style.URLSpan;
  24import android.util.DisplayMetrics;
  25import android.util.LruCache;
  26import android.view.MotionEvent;
  27import android.view.View;
  28import android.view.ViewGroup;
  29import android.view.WindowManager;
  30import android.widget.ArrayAdapter;
  31import android.widget.Button;
  32import android.widget.ImageView;
  33import android.widget.LinearLayout;
  34import android.widget.ListAdapter;
  35import android.widget.ListView;
  36import android.widget.RelativeLayout;
  37import android.widget.TextView;
  38import android.widget.Toast;
  39
  40import androidx.core.app.ActivityCompat;
  41import androidx.core.content.ContextCompat;
  42import androidx.core.content.res.ResourcesCompat;
  43
  44import com.cheogram.android.BobTransfer;
  45import com.cheogram.android.SwipeDetector;
  46import com.cheogram.android.WebxdcPage;
  47import com.cheogram.android.WebxdcUpdate;
  48
  49import com.google.common.base.Strings;
  50
  51import com.lelloman.identicon.view.GithubIdenticonView;
  52
  53import java.io.IOException;
  54import java.net.URI;
  55import java.net.URISyntaxException;
  56import java.security.NoSuchAlgorithmException;
  57import java.util.List;
  58import java.util.Locale;
  59import java.util.regex.Matcher;
  60import java.util.regex.Pattern;
  61
  62import io.ipfs.cid.Cid;
  63
  64import me.saket.bettermovementmethod.BetterLinkMovementMethod;
  65
  66import eu.siacs.conversations.Config;
  67import eu.siacs.conversations.R;
  68import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  69import eu.siacs.conversations.entities.Account;
  70import eu.siacs.conversations.entities.Contact;
  71import eu.siacs.conversations.entities.Conversation;
  72import eu.siacs.conversations.entities.Conversational;
  73import eu.siacs.conversations.entities.DownloadableFile;
  74import eu.siacs.conversations.entities.Message.FileParams;
  75import eu.siacs.conversations.entities.Message;
  76import eu.siacs.conversations.entities.Roster;
  77import eu.siacs.conversations.entities.RtpSessionStatus;
  78import eu.siacs.conversations.entities.Transferable;
  79import eu.siacs.conversations.persistance.FileBackend;
  80import eu.siacs.conversations.services.MessageArchiveService;
  81import eu.siacs.conversations.services.NotificationService;
  82import eu.siacs.conversations.ui.ConversationFragment;
  83import eu.siacs.conversations.ui.ConversationsActivity;
  84import eu.siacs.conversations.ui.XmppActivity;
  85import eu.siacs.conversations.ui.service.AudioPlayer;
  86import eu.siacs.conversations.ui.text.DividerSpan;
  87import eu.siacs.conversations.ui.text.QuoteSpan;
  88import eu.siacs.conversations.ui.util.AvatarWorkerTask;
  89import eu.siacs.conversations.ui.util.MyLinkify;
  90import eu.siacs.conversations.ui.util.QuoteHelper;
  91import eu.siacs.conversations.ui.util.ShareUtil;
  92import eu.siacs.conversations.ui.util.StyledAttributes;
  93import eu.siacs.conversations.ui.util.ViewUtil;
  94import eu.siacs.conversations.utils.CryptoHelper;
  95import eu.siacs.conversations.utils.Emoticons;
  96import eu.siacs.conversations.utils.GeoHelper;
  97import eu.siacs.conversations.utils.MessageUtils;
  98import eu.siacs.conversations.utils.StylingHelper;
  99import eu.siacs.conversations.utils.TimeFrameUtils;
 100import eu.siacs.conversations.utils.UIHelper;
 101import eu.siacs.conversations.xmpp.Jid;
 102import eu.siacs.conversations.xmpp.mam.MamReference;
 103import eu.siacs.conversations.xml.Element;
 104
 105public class MessageAdapter extends ArrayAdapter<Message> {
 106
 107    public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
 108    private static final int SENT = 0;
 109    private static final int RECEIVED = 1;
 110    private static final int STATUS = 2;
 111    private static final int DATE_SEPARATOR = 3;
 112    private static final int RTP_SESSION = 4;
 113    private final XmppActivity activity;
 114    private final AudioPlayer audioPlayer;
 115    private List<String> highlightedTerm = null;
 116    private final DisplayMetrics metrics;
 117    private OnContactPictureClicked mOnContactPictureClickedListener;
 118    private OnContactPictureClicked mOnMessageBoxClickedListener;
 119    private OnContactPictureClicked mOnMessageBoxSwipedListener;
 120    private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
 121    private OnInlineImageLongClicked mOnInlineImageLongClickedListener;
 122    private boolean mUseGreenBackground = false;
 123    private final boolean mForceNames;
 124
 125    public MessageAdapter(final XmppActivity activity, final List<Message> messages, final boolean forceNames) {
 126        super(activity, 0, messages);
 127        this.audioPlayer = new AudioPlayer(this);
 128        this.activity = activity;
 129        metrics = getContext().getResources().getDisplayMetrics();
 130        updatePreferences();
 131        this.mForceNames = forceNames;
 132    }
 133
 134    public MessageAdapter(final XmppActivity activity, final List<Message> messages) {
 135        this(activity, messages, false);
 136    }
 137
 138    private static void resetClickListener(View... views) {
 139        for (View view : views) {
 140            if (view != null) view.setOnClickListener(null);
 141        }
 142    }
 143
 144    public void flagScreenOn() {
 145        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 146    }
 147
 148    public void flagScreenOff() {
 149        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 150    }
 151
 152    public void setVolumeControl(final int stream) {
 153        activity.setVolumeControlStream(stream);
 154    }
 155
 156    public void setOnContactPictureClicked(OnContactPictureClicked listener) {
 157        this.mOnContactPictureClickedListener = listener;
 158    }
 159
 160    public void setOnMessageBoxClicked(OnContactPictureClicked listener) {
 161        this.mOnMessageBoxClickedListener = listener;
 162    }
 163
 164    public void setOnMessageBoxSwiped(OnContactPictureClicked listener) {
 165        this.mOnMessageBoxSwipedListener = listener;
 166    }
 167
 168    public Activity getActivity() {
 169        return activity;
 170    }
 171
 172    public void setOnContactPictureLongClicked(
 173            OnContactPictureLongClicked listener) {
 174        this.mOnContactPictureLongClickedListener = listener;
 175    }
 176
 177    public void setOnInlineImageLongClicked(OnInlineImageLongClicked listener) {
 178        this.mOnInlineImageLongClickedListener = listener;
 179    }
 180
 181    @Override
 182    public int getViewTypeCount() {
 183        return 5;
 184    }
 185
 186    private int getItemViewType(Message message) {
 187        if (message.getType() == Message.TYPE_STATUS) {
 188            if (DATE_SEPARATOR_BODY.equals(message.getBody())) {
 189                return DATE_SEPARATOR;
 190            } else {
 191                return STATUS;
 192            }
 193        } else if (message.getType() == Message.TYPE_RTP_SESSION) {
 194            return RTP_SESSION;
 195        } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
 196            return RECEIVED;
 197        } else {
 198            return SENT;
 199        }
 200    }
 201
 202    @Override
 203    public int getItemViewType(int position) {
 204        return this.getItemViewType(getItem(position));
 205    }
 206
 207    private int getMessageTextColor(boolean onDark, boolean primary) {
 208        if (onDark) {
 209            return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
 210        } else {
 211            return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
 212        }
 213    }
 214
 215    private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
 216        String filesize = null;
 217        String info = null;
 218        boolean error = false;
 219        if (viewHolder.indicatorReceived != null) {
 220            viewHolder.indicatorReceived.setVisibility(View.GONE);
 221        }
 222
 223        if (viewHolder.edit_indicator != null) {
 224            if (message.edited() && message.getModerated() == null) {
 225                viewHolder.edit_indicator.setVisibility(View.VISIBLE);
 226                viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
 227                viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
 228            } else {
 229                viewHolder.edit_indicator.setVisibility(View.GONE);
 230            }
 231        }
 232        final Transferable transferable = message.getTransferable();
 233        boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
 234                && message.getMergedStatus() <= Message.STATUS_RECEIVED;
 235        if (message.isFileOrImage() || transferable != null || MessageUtils.unInitiatedButKnownSize(message)) {
 236            FileParams params = message.getFileParams();
 237            filesize = params.size != null ? UIHelper.filesizeToString(params.size) : null;
 238            if (transferable != null && (transferable.getStatus() == Transferable.STATUS_FAILED || transferable.getStatus() == Transferable.STATUS_CANCELLED)) {
 239                error = true;
 240            }
 241        }
 242        switch (message.getMergedStatus()) {
 243            case Message.STATUS_WAITING:
 244                info = getContext().getString(R.string.waiting);
 245                break;
 246            case Message.STATUS_UNSEND:
 247                if (transferable != null) {
 248                    info = getContext().getString(R.string.sending_file, transferable.getProgress());
 249                } else {
 250                    info = getContext().getString(R.string.sending);
 251                }
 252                break;
 253            case Message.STATUS_OFFERED:
 254                info = getContext().getString(R.string.offering);
 255                break;
 256            case Message.STATUS_SEND_RECEIVED:
 257            case Message.STATUS_SEND_DISPLAYED:
 258                if (viewHolder.indicatorReceived != null) {
 259                    viewHolder.indicatorReceived.setImageResource(darkBackground ? R.drawable.ic_done_white_18dp : R.drawable.ic_done_black_18dp);
 260                    viewHolder.indicatorReceived.setAlpha(darkBackground ? 0.7f : 0.57f);
 261                    viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
 262                }
 263                break;
 264            case Message.STATUS_SEND_FAILED:
 265                final String errorMessage = message.getErrorMessage();
 266                if (Message.ERROR_MESSAGE_CANCELLED.equals(errorMessage)) {
 267                    info = getContext().getString(R.string.cancelled);
 268                } else if (errorMessage != null) {
 269                    final String[] errorParts = errorMessage.split("\\u001f", 2);
 270                    if (errorParts.length == 2) {
 271                        switch (errorParts[0]) {
 272                            case "file-too-large":
 273                                info = getContext().getString(R.string.file_too_large);
 274                                break;
 275                            default:
 276                                info = getContext().getString(R.string.send_failed);
 277                                break;
 278                        }
 279                    } else {
 280                        info = getContext().getString(R.string.send_failed);
 281                    }
 282                } else {
 283                    info = getContext().getString(R.string.send_failed);
 284                }
 285                error = true;
 286                break;
 287            default:
 288                if (mForceNames || multiReceived || (message.getTrueCounterpart() != null && message.getContact() != null)) {
 289                    info = UIHelper.getMessageDisplayName(message);
 290                }
 291                break;
 292        }
 293        if (error && type == SENT) {
 294            if (darkBackground) {
 295                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning_OnDark);
 296            } else {
 297                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
 298            }
 299        } else {
 300            if (darkBackground) {
 301                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_OnDark);
 302            } else {
 303                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption);
 304            }
 305            viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground, false));
 306        }
 307        if (message.getEncryption() == Message.ENCRYPTION_NONE) {
 308            viewHolder.indicator.setVisibility(View.GONE);
 309        } else {
 310            boolean verified = false;
 311            if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
 312                final FingerprintStatus status = message.getConversation()
 313                        .getAccount().getAxolotlService().getFingerprintTrust(
 314                                message.getFingerprint());
 315                if (status != null && status.isVerified()) {
 316                    verified = true;
 317                }
 318            }
 319            if (verified) {
 320                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
 321            } else {
 322                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
 323            }
 324            if (darkBackground) {
 325                viewHolder.indicator.setAlpha(0.7f);
 326            } else {
 327                viewHolder.indicator.setAlpha(0.57f);
 328            }
 329            viewHolder.indicator.setVisibility(View.VISIBLE);
 330        }
 331
 332        final String formattedTime = UIHelper.readableTimeDifferenceFull(getContext(), message.getMergedTimeSent());
 333        final String bodyLanguage = message.getBodyLanguage();
 334        final String bodyLanguageInfo = bodyLanguage == null ? "" : String.format(" \u00B7 %s", bodyLanguage.toUpperCase(Locale.US));
 335        if (message.getStatus() <= Message.STATUS_RECEIVED) {
 336            if ((filesize != null) && (info != null)) {
 337                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + " \u00B7 " + info + bodyLanguageInfo);
 338            } else if ((filesize == null) && (info != null)) {
 339                viewHolder.time.setText(formattedTime + " \u00B7 " + info + bodyLanguageInfo);
 340            } else if ((filesize != null) && (info == null)) {
 341                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + bodyLanguageInfo);
 342            } else {
 343                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
 344            }
 345        } else {
 346            if ((filesize != null) && (info != null)) {
 347                viewHolder.time.setText(filesize + " \u00B7 " + info + bodyLanguageInfo);
 348            } else if ((filesize == null) && (info != null)) {
 349                if (error) {
 350                    viewHolder.time.setText(info + " \u00B7 " + formattedTime + bodyLanguageInfo);
 351                } else {
 352                    viewHolder.time.setText(info);
 353                }
 354            } else if ((filesize != null) && (info == null)) {
 355                viewHolder.time.setText(filesize + " \u00B7 " + formattedTime + bodyLanguageInfo);
 356            } else {
 357                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
 358            }
 359        }
 360    }
 361
 362    private void displayInfoMessage(ViewHolder viewHolder, CharSequence text, boolean darkBackground, final Message message, int type) {
 363        displayDownloadableMessage(viewHolder, message, "", darkBackground, type);
 364        int imageVisibility = viewHolder.image.getVisibility();
 365        displayInfoMessage(viewHolder, text, darkBackground);
 366        viewHolder.image.setVisibility(imageVisibility);
 367    }
 368
 369    private void displayInfoMessage(ViewHolder viewHolder, CharSequence text, boolean darkBackground) {
 370        viewHolder.download_button.setVisibility(View.GONE);
 371        viewHolder.audioPlayer.setVisibility(View.GONE);
 372        viewHolder.image.setVisibility(View.GONE);
 373        viewHolder.messageBody.setVisibility(View.VISIBLE);
 374        viewHolder.messageBody.setText(text);
 375        if (darkBackground) {
 376            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary_OnDark);
 377        } else {
 378            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary);
 379        }
 380        viewHolder.messageBody.setTextIsSelectable(false);
 381    }
 382
 383    private void displayEmojiMessage(final ViewHolder viewHolder, final String body, final boolean darkBackground) {
 384        viewHolder.download_button.setVisibility(View.GONE);
 385        viewHolder.audioPlayer.setVisibility(View.GONE);
 386        viewHolder.image.setVisibility(View.GONE);
 387        viewHolder.messageBody.setVisibility(View.VISIBLE);
 388        if (darkBackground) {
 389            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji_OnDark);
 390        } else {
 391            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji);
 392        }
 393        Spannable span = new SpannableString(body);
 394        float size = Emoticons.isEmoji(body) ? 3.0f : 2.0f;
 395        span.setSpan(new RelativeSizeSpan(size), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 396        viewHolder.messageBody.setText(span);
 397    }
 398
 399    private void applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
 400        if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
 401            body.insert(start++, "\n");
 402            body.setSpan(
 403                new DividerSpan(false),
 404                start - ("\n".equals(body.subSequence(start - 2, start - 1).toString()) ? 2 : 1),
 405                start,
 406                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
 407            );
 408            end++;
 409        }
 410        if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
 411            body.insert(end, "\n");
 412            body.setSpan(
 413                new DividerSpan(false),
 414                end,
 415                end + ("\n".equals(body.subSequence(end + 1, end + 2).toString()) ? 2 : 1),
 416                Spannable.SPAN_EXCLUSIVE_EXCLUSIVE
 417            );
 418        }
 419        int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
 420                : ContextCompat.getColor(activity, R.color.green700_desaturated);
 421        DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
 422        body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 423    }
 424
 425    /**
 426     * Applies QuoteSpan to group of lines which starts with > or » characters.
 427     * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
 428     */
 429    public boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
 430        boolean startsWithQuote = false;
 431        int quoteDepth = 1;
 432        while (QuoteHelper.bodyContainsQuoteStart(body) && quoteDepth <= Config.QUOTE_MAX_DEPTH) {
 433            char previous = '\n';
 434            int lineStart = -1;
 435            int lineTextStart = -1;
 436            int quoteStart = -1;
 437            for (int i = 0; i <= body.length(); i++) {
 438                char current = body.length() > i ? body.charAt(i) : '\n';
 439                if (lineStart == -1) {
 440                    if (previous == '\n') {
 441                        if (i < body.length() && QuoteHelper.isPositionQuoteStart(body, i)) {
 442                            // Line start with quote
 443                            lineStart = i;
 444                            if (quoteStart == -1) quoteStart = i;
 445                            if (i == 0) startsWithQuote = true;
 446                        } else if (quoteStart >= 0) {
 447                            // Line start without quote, apply spans there
 448                            applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
 449                            quoteStart = -1;
 450                        }
 451                    }
 452                } else {
 453                    // Remove extra spaces between > and first character in the line
 454                    // > character will be removed too
 455                    if (current != ' ' && lineTextStart == -1) {
 456                        lineTextStart = i;
 457                    }
 458                    if (current == '\n') {
 459                        body.delete(lineStart, lineTextStart);
 460                        i -= lineTextStart - lineStart;
 461                        if (i == lineStart) {
 462                            // Avoid empty lines because span over empty line can be hidden
 463                            body.insert(i++, " ");
 464                        }
 465                        lineStart = -1;
 466                        lineTextStart = -1;
 467                    }
 468                }
 469                previous = current;
 470            }
 471            if (quoteStart >= 0) {
 472                // Apply spans to finishing open quote
 473                applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
 474            }
 475            quoteDepth++;
 476        }
 477        return startsWithQuote;
 478    }
 479
 480    private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
 481        viewHolder.download_button.setVisibility(View.GONE);
 482        viewHolder.image.setVisibility(View.GONE);
 483        viewHolder.audioPlayer.setVisibility(View.GONE);
 484        viewHolder.messageBody.setVisibility(View.GONE);
 485
 486        if (darkBackground) {
 487            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_OnDark);
 488        } else {
 489            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1);
 490        }
 491        viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
 492                ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
 493        viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
 494
 495        if (message.getBody() != null && !message.getBody().equals("")) {
 496            viewHolder.messageBody.setVisibility(View.VISIBLE);
 497            final String nick = UIHelper.getMessageDisplayName(message);
 498            Drawable fallbackImg = ResourcesCompat.getDrawable(activity.getResources(), activity.getThemeResource(R.attr.ic_attach_photo, R.drawable.ic_attach_photo), null);
 499            fallbackImg.setBounds(FileBackend.rectForSize(fallbackImg.getIntrinsicWidth(), fallbackImg.getIntrinsicHeight(), (int) (metrics.density * 32)));
 500            SpannableStringBuilder body = message.getMergedBody((cid) -> {
 501                try {
 502                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
 503                    if (f == null || !f.canRead()) {
 504                        if (!message.trusted() && !message.getConversation().canInferPresence()) return null;
 505
 506                        try {
 507                            new BobTransfer(BobTransfer.uri(cid), message.getConversation().getAccount(), message.getCounterpart(), activity.xmppConnectionService).start();
 508                        } catch (final NoSuchAlgorithmException | URISyntaxException e) { }
 509                        return null;
 510                    }
 511
 512                    Drawable d = activity.xmppConnectionService.getFileBackend().getThumbnail(f, activity.getResources(), (int) (metrics.density * 288), true);
 513                    if (d == null) {
 514                        new ThumbnailTask().execute(f);
 515                    } else {
 516                        d = d.getConstantState().newDrawable();
 517                        d.setBounds(FileBackend.rectForSize(d.getIntrinsicWidth(), d.getIntrinsicHeight(), (int) (metrics.density * 32)));
 518                    }
 519                    return d;
 520                } catch (final IOException e) {
 521                    return fallbackImg;
 522                }
 523            }, fallbackImg);
 524            boolean hasMeCommand = message.hasMeCommand();
 525            if (hasMeCommand) {
 526                body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
 527            }
 528            if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
 529                body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
 530                body.append("\u2026");
 531            }
 532            Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
 533            for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
 534                int start = body.getSpanStart(mergeSeparator);
 535                int end = body.getSpanEnd(mergeSeparator);
 536                body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 537            }
 538            for (final android.text.style.QuoteSpan quote : body.getSpans(0, body.length(), android.text.style.QuoteSpan.class)) {
 539                int start = body.getSpanStart(quote);
 540                int end = body.getSpanEnd(quote);
 541                body.removeSpan(quote);
 542                applyQuoteSpan(body, start, end, darkBackground);
 543            }
 544            boolean startsWithQuote = handleTextQuotes(body, darkBackground);
 545            if (!message.isPrivateMessage()) {
 546                if (hasMeCommand) {
 547                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
 548                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 549                }
 550            } else {
 551                String privateMarker;
 552                if (message.getStatus() <= Message.STATUS_RECEIVED) {
 553                    privateMarker = activity.getString(R.string.private_message);
 554                } else {
 555                    Jid cp = message.getCounterpart();
 556                    privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
 557                }
 558                body.insert(0, privateMarker);
 559                int privateMarkerIndex = privateMarker.length();
 560                if (startsWithQuote) {
 561                    body.insert(privateMarkerIndex, "\n\n");
 562                    body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
 563                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 564                } else {
 565                    body.insert(privateMarkerIndex, " ");
 566                }
 567                body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 568                body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 569                if (hasMeCommand) {
 570                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
 571                            privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 572                }
 573            }
 574            if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
 575                if (message.getConversation() instanceof Conversation) {
 576                    final Conversation conversation = (Conversation) message.getConversation();
 577                    Pattern pattern = NotificationService.generateNickHighlightPattern(conversation.getMucOptions().getActualNick());
 578                    Matcher matcher = pattern.matcher(body);
 579                    while (matcher.find()) {
 580                        body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 581                    }
 582                }
 583            }
 584            Matcher matcher = Emoticons.getEmojiPattern(body).matcher(body);
 585            while (matcher.find()) {
 586                if (matcher.start() < matcher.end()) {
 587                    body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 588                }
 589            }
 590
 591            StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
 592            if (highlightedTerm != null) {
 593                StylingHelper.highlight(activity, body, highlightedTerm, StylingHelper.isDarkText(viewHolder.messageBody));
 594            }
 595            MyLinkify.addLinks(body, message.getConversation().getAccount(), message.getConversation().getJid());
 596            viewHolder.messageBody.setAutoLinkMask(0);
 597            viewHolder.messageBody.setText(body);
 598            BetterLinkMovementMethod method = new BetterLinkMovementMethod() {
 599                @Override
 600                protected void dispatchUrlLongClick(TextView tv, ClickableSpan span) {
 601                    if (span instanceof URLSpan || mOnInlineImageLongClickedListener == null) {
 602                        super.dispatchUrlLongClick(tv, span);
 603                        return;
 604                    }
 605
 606                    Spannable body = (Spannable) tv.getText();
 607                    ImageSpan[] imageSpans = body.getSpans(body.getSpanStart(span), body.getSpanEnd(span), ImageSpan.class);
 608                    if (imageSpans.length > 0) {
 609                        Uri uri = Uri.parse(imageSpans[0].getSource());
 610                        Cid cid = BobTransfer.cid(uri);
 611                        if (cid == null) return;
 612                        if (mOnInlineImageLongClickedListener.onInlineImageLongClicked(cid)) {
 613                            tv.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
 614                        }
 615                    }
 616                }
 617            };
 618            method.setOnLinkLongClickListener((tv, url) -> {
 619                tv.dispatchTouchEvent(MotionEvent.obtain(0, 0, MotionEvent.ACTION_CANCEL, 0f, 0f, 0));
 620                ShareUtil.copyLinkToClipboard(activity, url);
 621                return true;
 622            });
 623            viewHolder.messageBody.setMovementMethod(method);
 624        } else {
 625            viewHolder.messageBody.setText("");
 626            viewHolder.messageBody.setTextIsSelectable(false);
 627        }
 628    }
 629
 630    private void displayDownloadableMessage(ViewHolder viewHolder, final Message message, String text, final boolean darkBackground, final int type) {
 631        displayTextMessage(viewHolder, message, darkBackground, type);
 632        viewHolder.image.setVisibility(View.GONE);
 633        List<Element> thumbs = message.getFileParams() != null ? message.getFileParams().getThumbnails() : null;
 634        if (thumbs != null && !thumbs.isEmpty()) {
 635            for (Element thumb : thumbs) {
 636                Uri uri = Uri.parse(thumb.getAttribute("uri"));
 637                if (uri.getScheme().equals("data")) {
 638                    String[] parts = uri.getSchemeSpecificPart().split(",", 2);
 639                    parts = parts[0].split(";");
 640                    if (!parts[0].equals("image/blurhash") && !parts[0].equals("image/jpeg") && !parts[0].equals("image/png") && !parts[0].equals("image/webp") && !parts[0].equals("image/gif")) continue;
 641                } else if (uri.getScheme().equals("cid")) {
 642                    Cid cid = BobTransfer.cid(uri);
 643                    if (cid == null) continue;
 644                    DownloadableFile f = activity.xmppConnectionService.getFileForCid(cid);
 645                    if (f == null || !f.canRead()) {
 646                        if (!message.trusted() && !message.getConversation().canInferPresence()) continue;
 647
 648                        try {
 649                            new BobTransfer(BobTransfer.uri(cid), message.getConversation().getAccount(), message.getCounterpart(), activity.xmppConnectionService).start();
 650                        } catch (final NoSuchAlgorithmException | URISyntaxException e) { }
 651                        continue;
 652                    }
 653                } else {
 654                    continue;
 655                }
 656
 657                int width = message.getFileParams().width;
 658                if (width < 1 && thumb.getAttribute("width") != null) width = Integer.parseInt(thumb.getAttribute("width"));
 659                if (width < 1) width = 1920;
 660
 661                int height = message.getFileParams().height;
 662                if (height < 1 && thumb.getAttribute("height") != null) height = Integer.parseInt(thumb.getAttribute("height"));
 663                if (height < 1) height = 1080;
 664
 665                viewHolder.image.setVisibility(View.VISIBLE);
 666                imagePreviewLayout(width, height, viewHolder.image);
 667                activity.loadBitmap(message, viewHolder.image);
 668                viewHolder.image.setOnClickListener(v -> ConversationFragment.downloadFile(activity, message));
 669
 670                break;
 671            }
 672        }
 673        viewHolder.audioPlayer.setVisibility(View.GONE);
 674        viewHolder.download_button.setVisibility(View.VISIBLE);
 675        viewHolder.download_button.setText(text);
 676        viewHolder.download_button.setOnClickListener(v -> ConversationFragment.downloadFile(activity, message));
 677    }
 678
 679    private void displayWebxdcMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 680        Cid webxdcCid = message.getFileParams().getCids().get(0);
 681        WebxdcPage webxdc = new WebxdcPage(webxdcCid, message, activity.xmppConnectionService);
 682        displayTextMessage(viewHolder, message, darkBackground, type);
 683        viewHolder.image.setVisibility(View.GONE);
 684        viewHolder.audioPlayer.setVisibility(View.GONE);
 685        viewHolder.download_button.setVisibility(View.VISIBLE);
 686        viewHolder.download_button.setText("Open " + webxdc.getName());
 687        viewHolder.download_button.setOnClickListener(v -> {
 688            Conversation conversation = (Conversation) message.getConversation();
 689            if (!conversation.switchToSession("webxdc\0" + message.getUuid())) {
 690                conversation.startWebxdc(webxdc);
 691            }
 692        });
 693        // TODO: db access on UI thread is bad
 694        WebxdcUpdate lastUpdate = activity.xmppConnectionService.findLastWebxdcUpdate(message);
 695        if (lastUpdate != null && (lastUpdate.getSummary() != null || lastUpdate.getDocument() != null)) {
 696            viewHolder.messageBody.setVisibility(View.VISIBLE);
 697            viewHolder.messageBody.setText(
 698                (lastUpdate.getDocument() == null ? "" : lastUpdate.getDocument() + "\n") +
 699                (lastUpdate.getSummary() == null ? "" : lastUpdate.getSummary())
 700            );
 701        }
 702
 703        final LruCache<String, Drawable> cache = activity.xmppConnectionService.getDrawableCache();
 704        final Drawable d = cache.get("webxdc:icon:" + webxdcCid);
 705        if (d == null) {
 706            new Thread(() -> {
 707                Drawable icon = webxdc.getIcon();
 708                if (icon != null) {
 709                    cache.put("webxdc:icon:" + webxdcCid, icon);
 710                    activity.xmppConnectionService.updateConversationUi();
 711                }
 712            }).start();
 713        } else {
 714            viewHolder.image.setVisibility(View.VISIBLE);
 715            viewHolder.image.setImageDrawable(d);
 716        }
 717    }
 718
 719    private void displayOpenableMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 720        displayTextMessage(viewHolder, message, darkBackground, type);
 721        viewHolder.image.setVisibility(View.GONE);
 722        viewHolder.audioPlayer.setVisibility(View.GONE);
 723        viewHolder.download_button.setVisibility(View.VISIBLE);
 724        viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
 725        viewHolder.download_button.setOnClickListener(v -> openDownloadable(message));
 726    }
 727
 728    private void displayLocationMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 729        displayTextMessage(viewHolder, message, darkBackground, type);
 730        viewHolder.image.setVisibility(View.GONE);
 731        viewHolder.audioPlayer.setVisibility(View.GONE);
 732        viewHolder.download_button.setVisibility(View.VISIBLE);
 733        viewHolder.download_button.setText(R.string.show_location);
 734        viewHolder.download_button.setOnClickListener(v -> showLocation(message));
 735    }
 736
 737    private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground, final int type) {
 738        displayTextMessage(viewHolder, message, darkBackground, type);
 739        viewHolder.image.setVisibility(View.GONE);
 740        viewHolder.download_button.setVisibility(View.GONE);
 741        final RelativeLayout audioPlayer = viewHolder.audioPlayer;
 742        audioPlayer.setVisibility(View.VISIBLE);
 743        AudioPlayer.ViewHolder.get(audioPlayer).setDarkBackground(darkBackground);
 744        this.audioPlayer.init(audioPlayer, message);
 745    }
 746
 747    private void displayMediaPreviewMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground, final int type) {
 748        displayTextMessage(viewHolder, message, darkBackground, type);
 749        viewHolder.download_button.setVisibility(View.GONE);
 750        viewHolder.audioPlayer.setVisibility(View.GONE);
 751        viewHolder.image.setVisibility(View.VISIBLE);
 752        final FileParams params = message.getFileParams();
 753        imagePreviewLayout(params.width, params.height, viewHolder.image);
 754        activity.loadBitmap(message, viewHolder.image);
 755        viewHolder.image.setOnClickListener(v -> openDownloadable(message));
 756    }
 757
 758    private void imagePreviewLayout(int w, int h, ImageView image) {
 759        final float target = activity.getResources().getDimension(R.dimen.image_preview_width);
 760        final int scaledW;
 761        final int scaledH;
 762        if (Math.max(h, w) * metrics.density <= target) {
 763            scaledW = (int) (w * metrics.density);
 764            scaledH = (int) (h * metrics.density);
 765        } else if (Math.max(h, w) <= target) {
 766            scaledW = w;
 767            scaledH = h;
 768        } else if (w <= h) {
 769            scaledW = (int) (w / ((double) h / target));
 770            scaledH = (int) target;
 771        } else {
 772            scaledW = (int) target;
 773            scaledH = (int) (h / ((double) w / target));
 774        }
 775        final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
 776        layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
 777        image.setLayoutParams(layoutParams);
 778    }
 779
 780    private void toggleWhisperInfo(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
 781        if (message.isPrivateMessage()) {
 782            final String privateMarker;
 783            if (message.getStatus() <= Message.STATUS_RECEIVED) {
 784                privateMarker = activity.getString(R.string.private_message);
 785            } else {
 786                Jid cp = message.getCounterpart();
 787                privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
 788            }
 789            final SpannableString body = new SpannableString(privateMarker);
 790            body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 791            body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 792            viewHolder.messageBody.setText(body);
 793            viewHolder.messageBody.setVisibility(View.VISIBLE);
 794        } else {
 795            viewHolder.messageBody.setVisibility(View.GONE);
 796        }
 797    }
 798
 799    private void loadMoreMessages(Conversation conversation) {
 800        conversation.setLastClearHistory(0, null);
 801        activity.xmppConnectionService.updateConversation(conversation);
 802        conversation.setHasMessagesLeftOnServer(true);
 803        conversation.setFirstMamReference(null);
 804        long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
 805        if (timestamp == 0) {
 806            timestamp = System.currentTimeMillis();
 807        }
 808        conversation.messagesLoaded.set(true);
 809        MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
 810        if (query != null) {
 811            Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
 812        } else {
 813            Toast.makeText(activity, R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
 814        }
 815    }
 816
 817    @Override
 818    public View getView(int position, View view, ViewGroup parent) {
 819        final Message message = getItem(position);
 820        final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
 821        final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
 822        final Conversational conversation = message.getConversation();
 823        final Account account = conversation.getAccount();
 824        final List<Element> commands = message.getCommands();
 825        final int type = getItemViewType(position);
 826        ViewHolder viewHolder;
 827        if (view == null) {
 828            viewHolder = new ViewHolder();
 829            switch (type) {
 830                case DATE_SEPARATOR:
 831                    view = activity.getLayoutInflater().inflate(R.layout.message_date_bubble, parent, false);
 832                    viewHolder.status_message = view.findViewById(R.id.message_body);
 833                    viewHolder.message_box = view.findViewById(R.id.message_box);
 834                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 835                    break;
 836                case RTP_SESSION:
 837                    view = activity.getLayoutInflater().inflate(R.layout.message_rtp_session, parent, false);
 838                    viewHolder.status_message = view.findViewById(R.id.message_body);
 839                    viewHolder.message_box = view.findViewById(R.id.message_box);
 840                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 841                    break;
 842                case SENT:
 843                    view = activity.getLayoutInflater().inflate(R.layout.message_sent, parent, false);
 844                    viewHolder.message_box = view.findViewById(R.id.message_box);
 845                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 846                    viewHolder.download_button = view.findViewById(R.id.download_button);
 847                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
 848                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 849                    viewHolder.image = view.findViewById(R.id.message_image);
 850                    viewHolder.messageBody = view.findViewById(R.id.message_body);
 851                    viewHolder.time = view.findViewById(R.id.message_time);
 852                    viewHolder.subject = view.findViewById(R.id.message_subject);
 853                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 854                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 855                    viewHolder.thread_identicon = view.findViewById(R.id.thread_identicon);
 856                    break;
 857                case RECEIVED:
 858                    view = activity.getLayoutInflater().inflate(R.layout.message_received, parent, false);
 859                    viewHolder.message_box = view.findViewById(R.id.message_box);
 860                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 861                    viewHolder.download_button = view.findViewById(R.id.download_button);
 862                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
 863                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 864                    viewHolder.image = view.findViewById(R.id.message_image);
 865                    viewHolder.messageBody = view.findViewById(R.id.message_body);
 866                    viewHolder.time = view.findViewById(R.id.message_time);
 867                    viewHolder.subject = view.findViewById(R.id.message_subject);
 868                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 869                    viewHolder.encryption = view.findViewById(R.id.message_encryption);
 870                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 871                    viewHolder.commands_list = view.findViewById(R.id.commands_list);
 872                    viewHolder.thread_identicon = view.findViewById(R.id.thread_identicon);
 873                    break;
 874                case STATUS:
 875                    view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
 876                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 877                    viewHolder.status_message = view.findViewById(R.id.status_message);
 878                    viewHolder.load_more_messages = view.findViewById(R.id.load_more_messages);
 879                    break;
 880                default:
 881                    throw new AssertionError("Unknown view type");
 882            }
 883            view.setTag(viewHolder);
 884        } else {
 885            viewHolder = (ViewHolder) view.getTag();
 886            if (viewHolder == null) {
 887                return view;
 888            }
 889        }
 890
 891        if (viewHolder.thread_identicon != null) {
 892            viewHolder.thread_identicon.setVisibility(View.GONE);
 893            final Element thread = message.getThread();
 894            if (thread != null) {
 895                final String threadId = thread.getContent();
 896                if (threadId != null) {
 897                    viewHolder.thread_identicon.setVisibility(View.VISIBLE);
 898                    viewHolder.thread_identicon.setColor(UIHelper.getColorForName(threadId));
 899                    viewHolder.thread_identicon.setHash(UIHelper.identiconHash(threadId));
 900                }
 901            }
 902        }
 903
 904        boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
 905
 906        if (type == DATE_SEPARATOR) {
 907            if (UIHelper.today(message.getTimeSent())) {
 908                viewHolder.status_message.setText(R.string.today);
 909            } else if (UIHelper.yesterday(message.getTimeSent())) {
 910                viewHolder.status_message.setText(R.string.yesterday);
 911            } else {
 912                viewHolder.status_message.setText(DateUtils.formatDateTime(activity, message.getTimeSent(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR));
 913            }
 914            viewHolder.message_box.setBackgroundResource(activity.isDarkTheme() ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 915            return view;
 916        } else if (type == RTP_SESSION) {
 917            final boolean isDarkTheme = activity.isDarkTheme();
 918            final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
 919            final RtpSessionStatus rtpSessionStatus = RtpSessionStatus.of(message.getBody());
 920            final long duration = rtpSessionStatus.duration;
 921            final String callTime = UIHelper.readableTimeDifferenceFull(activity, message.getTimeSent());
 922            if (received) {
 923                if (duration > 0) {
 924                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_duration_timestamp, TimeFrameUtils.resolve(activity, duration), callTime));
 925                } else if (rtpSessionStatus.successful) {
 926                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_timestamp, callTime));
 927                } else {
 928                    viewHolder.status_message.setText(activity.getString(R.string.missed_call_timestamp, callTime));
 929                }
 930            } else {
 931                if (duration > 0) {
 932                    viewHolder.status_message.setText(activity.getString(R.string.outgoing_call_duration_timestamp, TimeFrameUtils.resolve(activity, duration), callTime));
 933                } else {
 934                    viewHolder.status_message.setText(activity.getString(R.string.outgoing_call_timestamp, callTime));
 935                }
 936            }
 937            viewHolder.indicatorReceived.setImageResource(RtpSessionStatus.getDrawable(received, rtpSessionStatus.successful, isDarkTheme));
 938            viewHolder.indicatorReceived.setAlpha(isDarkTheme ? 0.7f : 0.57f);
 939            viewHolder.message_box.setBackgroundResource(isDarkTheme ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 940            return view;
 941        } else if (type == STATUS) {
 942            if ("LOAD_MORE".equals(message.getBody())) {
 943                viewHolder.status_message.setVisibility(View.GONE);
 944                viewHolder.contact_picture.setVisibility(View.GONE);
 945                viewHolder.load_more_messages.setVisibility(View.VISIBLE);
 946                viewHolder.load_more_messages.setOnClickListener(v -> loadMoreMessages((Conversation) message.getConversation()));
 947            } else {
 948                viewHolder.status_message.setVisibility(View.VISIBLE);
 949                viewHolder.load_more_messages.setVisibility(View.GONE);
 950                viewHolder.status_message.setText(message.getBody());
 951                boolean showAvatar;
 952                if (conversation.getMode() == Conversation.MODE_SINGLE) {
 953                    showAvatar = true;
 954                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
 955                } else if (message.getCounterpart() != null || message.getTrueCounterpart() != null || (message.getCounterparts() != null && message.getCounterparts().size() > 0)) {
 956                    showAvatar = true;
 957                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
 958                } else {
 959                    showAvatar = false;
 960                }
 961                if (showAvatar) {
 962                    viewHolder.contact_picture.setAlpha(0.5f);
 963                    viewHolder.contact_picture.setVisibility(View.VISIBLE);
 964                } else {
 965                    viewHolder.contact_picture.setVisibility(View.GONE);
 966                }
 967            }
 968            return view;
 969        } else {
 970            AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar);
 971        }
 972
 973        resetClickListener(viewHolder.message_box, viewHolder.messageBody);
 974
 975        viewHolder.message_box.setOnClickListener(v -> {
 976            if (MessageAdapter.this.mOnMessageBoxClickedListener != null) {
 977                MessageAdapter.this.mOnMessageBoxClickedListener
 978                        .onContactPictureClicked(message);
 979            }
 980        });
 981        SwipeDetector swipeDetector = new SwipeDetector((action) -> {
 982            if (action == SwipeDetector.Action.LR && MessageAdapter.this.mOnMessageBoxSwipedListener != null) {
 983                MessageAdapter.this.mOnMessageBoxSwipedListener.onContactPictureClicked(message);
 984            }
 985        });
 986        viewHolder.message_box.setOnTouchListener(swipeDetector);
 987        viewHolder.messageBody.setOnTouchListener(swipeDetector);
 988        viewHolder.image.setOnTouchListener(swipeDetector);
 989        viewHolder.time.setOnTouchListener(swipeDetector);
 990        viewHolder.messageBody.setOnClickListener(v -> {
 991            if (MessageAdapter.this.mOnMessageBoxClickedListener != null) {
 992                MessageAdapter.this.mOnMessageBoxClickedListener
 993                        .onContactPictureClicked(message);
 994            }
 995        });
 996        viewHolder.contact_picture.setOnClickListener(v -> {
 997            if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
 998                MessageAdapter.this.mOnContactPictureClickedListener
 999                        .onContactPictureClicked(message);
1000            }
1001
1002        });
1003        viewHolder.contact_picture.setOnLongClickListener(v -> {
1004            if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
1005                MessageAdapter.this.mOnContactPictureLongClickedListener
1006                        .onContactPictureLongClicked(v, message);
1007                return true;
1008            } else {
1009                return false;
1010            }
1011        });
1012
1013        final Transferable transferable = message.getTransferable();
1014        final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
1015        if (unInitiatedButKnownSize || message.isDeleted() || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING)) {
1016            if (unInitiatedButKnownSize || transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER) {
1017                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)), darkBackground, type);
1018            } else if (transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
1019                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)), darkBackground, type);
1020            } else {
1021                displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first, darkBackground, message, type);
1022            }
1023        } else if (message.isFileOrImage() && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
1024            if (message.getFileParams().width > 0 && message.getFileParams().height > 0) {
1025                displayMediaPreviewMessage(viewHolder, message, darkBackground, type);
1026            } else if (message.getFileParams().runtime > 0) {
1027                displayAudioMessage(viewHolder, message, darkBackground, type);
1028            } else if ("application/xdc+zip".equals(message.getFileParams().getMediaType()) && message.getConversation() instanceof Conversation) {
1029                displayWebxdcMessage(viewHolder, message, darkBackground, type);
1030            } else {
1031                displayOpenableMessage(viewHolder, message, darkBackground, type);
1032            }
1033        } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
1034            if (account.isPgpDecryptionServiceConnected()) {
1035                if (conversation instanceof Conversation && !account.hasPendingPgpIntent((Conversation) conversation)) {
1036                    displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
1037                } else {
1038                    displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
1039                }
1040            } else {
1041                displayInfoMessage(viewHolder, activity.getString(R.string.install_openkeychain), darkBackground);
1042                viewHolder.message_box.setOnClickListener(this::promptOpenKeychainInstall);
1043                viewHolder.messageBody.setOnClickListener(this::promptOpenKeychainInstall);
1044            }
1045        } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
1046            displayInfoMessage(viewHolder, activity.getString(R.string.decryption_failed), darkBackground);
1047        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
1048            displayInfoMessage(viewHolder, activity.getString(R.string.not_encrypted_for_this_device), darkBackground);
1049        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
1050            displayInfoMessage(viewHolder, activity.getString(R.string.omemo_decryption_failed), darkBackground);
1051        } else {
1052            if (message.isGeoUri()) {
1053                displayLocationMessage(viewHolder, message, darkBackground, type);
1054            } else if (message.treatAsDownloadable()) {
1055                try {
1056                    final URI uri = message.getOob();
1057                    displayDownloadableMessage(viewHolder,
1058                            message,
1059                            activity.getString(R.string.check_x_filesize_on_host,
1060                                    UIHelper.getFileDescriptionString(activity, message),
1061                                    uri.getHost()),
1062                            darkBackground, type);
1063                } catch (Exception e) {
1064                    displayDownloadableMessage(viewHolder,
1065                            message,
1066                            activity.getString(R.string.check_x_filesize,
1067                                    UIHelper.getFileDescriptionString(activity, message)),
1068                            darkBackground, type);
1069                }
1070            } else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
1071                displayEmojiMessage(viewHolder, message.getBody().trim(), darkBackground);
1072            } else {
1073                displayTextMessage(viewHolder, message, darkBackground, type);
1074            }
1075        }
1076
1077        if (type == RECEIVED) {
1078            if (commands != null && conversation instanceof Conversation) {
1079                CommandButtonAdapter adapter = new CommandButtonAdapter(activity);
1080                adapter.addAll(commands);
1081                viewHolder.commands_list.setAdapter(adapter);
1082                viewHolder.commands_list.setVisibility(View.VISIBLE);
1083                viewHolder.commands_list.setOnItemClickListener((p, v, pos, id) -> {
1084                    final Element command = adapter.getItem(pos);
1085                    activity.startCommand(conversation.getAccount(), command.getAttributeAsJid("jid"), command.getAttribute("node"));
1086                });
1087            } else {
1088                // It's unclear if we can set this to null...
1089                ListAdapter adapter = viewHolder.commands_list.getAdapter();
1090                if (adapter instanceof ArrayAdapter) {
1091                    ((ArrayAdapter<?>) adapter).clear();
1092                }
1093                viewHolder.commands_list.setVisibility(View.GONE);
1094                viewHolder.commands_list.setOnItemClickListener(null);
1095            }
1096
1097            if (isInValidSession) {
1098                if (!mUseGreenBackground) {
1099                    viewHolder.message_box.getBackground().setColorFilter(
1100                        StyledAttributes.getColor(activity, mUseGreenBackground ? R.attr.message_bubble_received_bg : R.attr.color_background_primary),
1101                        PorterDuff.Mode.SRC_ATOP
1102                    );
1103                }
1104                viewHolder.encryption.setVisibility(View.GONE);
1105            } else {
1106                viewHolder.encryption.setVisibility(View.VISIBLE);
1107                if (omemoEncryption && !message.isTrusted()) {
1108                    viewHolder.encryption.setText(R.string.not_trusted);
1109                } else {
1110                    viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
1111                }
1112            }
1113        }
1114
1115        if (type == RECEIVED || type == SENT) {
1116            if (message.getSubject() == null) {
1117                viewHolder.subject.setVisibility(View.GONE);
1118            } else {
1119                viewHolder.subject.setVisibility(View.VISIBLE);
1120                viewHolder.subject.setText(message.getSubject());
1121            }
1122        }
1123
1124        displayStatus(viewHolder, message, type, darkBackground);
1125
1126        return view;
1127    }
1128
1129    private void promptOpenKeychainInstall(View view) {
1130        activity.showInstallPgpDialog();
1131    }
1132
1133    public FileBackend getFileBackend() {
1134        return activity.xmppConnectionService.getFileBackend();
1135    }
1136
1137    public void stopAudioPlayer() {
1138        audioPlayer.stop();
1139    }
1140
1141    public void unregisterListenerInAudioPlayer() {
1142        audioPlayer.unregisterListener();
1143    }
1144
1145    public void startStopPending() {
1146        audioPlayer.startStopPending();
1147    }
1148
1149    public void openDownloadable(Message message) {
1150        if (ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
1151            ConversationFragment.registerPendingMessage(activity, message);
1152            ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, ConversationsActivity.REQUEST_OPEN_MESSAGE);
1153            return;
1154        }
1155        final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
1156        ViewUtil.view(activity, file);
1157    }
1158
1159    private void showLocation(Message message) {
1160        for (Intent intent : GeoHelper.createGeoIntentsFromMessage(activity, message)) {
1161            if (intent.resolveActivity(getContext().getPackageManager()) != null) {
1162                getContext().startActivity(intent);
1163                return;
1164            }
1165        }
1166        Toast.makeText(activity, R.string.no_application_found_to_display_location, Toast.LENGTH_SHORT).show();
1167    }
1168
1169    public void updatePreferences() {
1170        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
1171        this.mUseGreenBackground = p.getBoolean("use_green_background", activity.getResources().getBoolean(R.bool.use_green_background));
1172    }
1173
1174
1175    public void setHighlightedTerm(List<String> terms) {
1176        this.highlightedTerm = terms == null ? null : StylingHelper.filterHighlightedWords(terms);
1177    }
1178
1179    public interface OnContactPictureClicked {
1180        void onContactPictureClicked(Message message);
1181    }
1182
1183    public interface OnContactPictureLongClicked {
1184        void onContactPictureLongClicked(View v, Message message);
1185    }
1186
1187    public interface OnInlineImageLongClicked {
1188        boolean onInlineImageLongClicked(Cid cid);
1189    }
1190
1191    private static class ViewHolder {
1192
1193        public Button load_more_messages;
1194        public ImageView edit_indicator;
1195        public RelativeLayout audioPlayer;
1196        protected LinearLayout message_box;
1197        protected Button download_button;
1198        protected ImageView image;
1199        protected ImageView indicator;
1200        protected ImageView indicatorReceived;
1201        protected TextView time;
1202        protected TextView subject;
1203        protected TextView messageBody;
1204        protected ImageView contact_picture;
1205        protected TextView status_message;
1206        protected TextView encryption;
1207        protected ListView commands_list;
1208        protected GithubIdenticonView thread_identicon;
1209    }
1210
1211    class ThumbnailTask extends AsyncTask<DownloadableFile, Void, Drawable[]> {
1212        @Override
1213        protected Drawable[] doInBackground(DownloadableFile... params) {
1214            if (isCancelled()) return null;
1215
1216            Drawable[] d = new Drawable[params.length];
1217            for (int i = 0; i < params.length; i++) {
1218                try {
1219                    d[i] = activity.xmppConnectionService.getFileBackend().getThumbnail(params[i], activity.getResources(), (int) (metrics.density * 288), false);
1220                } catch (final IOException e) {
1221                    d[i] = null;
1222                }
1223            }
1224
1225            return d;
1226        }
1227
1228        @Override
1229        protected void onPostExecute(final Drawable[] d) {
1230            if (isCancelled()) return;
1231            activity.xmppConnectionService.updateConversationUi();
1232        }
1233    }
1234}