MessageAdapter.java

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