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