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.Typeface;
   9import android.preference.PreferenceManager;
  10import android.support.v4.app.ActivityCompat;
  11import android.support.v4.content.ContextCompat;
  12import android.text.Spannable;
  13import android.text.SpannableString;
  14import android.text.SpannableStringBuilder;
  15import android.text.Spanned;
  16import android.text.format.DateUtils;
  17import android.text.style.ForegroundColorSpan;
  18import android.text.style.RelativeSizeSpan;
  19import android.text.style.StyleSpan;
  20import android.util.DisplayMetrics;
  21import android.view.ActionMode;
  22import android.view.Menu;
  23import android.view.MenuItem;
  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.RelativeLayout;
  32import android.widget.TextView;
  33import android.widget.Toast;
  34
  35import com.google.common.base.Strings;
  36
  37import java.net.URL;
  38import java.util.List;
  39import java.util.Locale;
  40import java.util.regex.Matcher;
  41import java.util.regex.Pattern;
  42
  43import eu.siacs.conversations.Config;
  44import eu.siacs.conversations.R;
  45import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  46import eu.siacs.conversations.entities.Account;
  47import eu.siacs.conversations.entities.Conversation;
  48import eu.siacs.conversations.entities.Conversational;
  49import eu.siacs.conversations.entities.DownloadableFile;
  50import eu.siacs.conversations.entities.Message;
  51import eu.siacs.conversations.entities.Message.FileParams;
  52import eu.siacs.conversations.entities.RtpSessionStatus;
  53import eu.siacs.conversations.entities.Transferable;
  54import eu.siacs.conversations.http.P1S3UrlStreamHandler;
  55import eu.siacs.conversations.persistance.FileBackend;
  56import eu.siacs.conversations.services.MessageArchiveService;
  57import eu.siacs.conversations.services.NotificationService;
  58import eu.siacs.conversations.ui.ConversationFragment;
  59import eu.siacs.conversations.ui.ConversationsActivity;
  60import eu.siacs.conversations.ui.XmppActivity;
  61import eu.siacs.conversations.ui.service.AudioPlayer;
  62import eu.siacs.conversations.ui.text.DividerSpan;
  63import eu.siacs.conversations.ui.text.QuoteSpan;
  64import eu.siacs.conversations.ui.util.AvatarWorkerTask;
  65import eu.siacs.conversations.ui.util.MyLinkify;
  66import eu.siacs.conversations.ui.util.ViewUtil;
  67import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
  68import eu.siacs.conversations.ui.widget.CopyTextView;
  69import eu.siacs.conversations.utils.CryptoHelper;
  70import eu.siacs.conversations.utils.EmojiWrapper;
  71import eu.siacs.conversations.utils.Emoticons;
  72import eu.siacs.conversations.utils.GeoHelper;
  73import eu.siacs.conversations.utils.MessageUtils;
  74import eu.siacs.conversations.utils.StylingHelper;
  75import eu.siacs.conversations.utils.TimeFrameUtils;
  76import eu.siacs.conversations.utils.UIHelper;
  77import eu.siacs.conversations.xmpp.Jid;
  78import eu.siacs.conversations.xmpp.mam.MamReference;
  79
  80public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
  81
  82    public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
  83    private static final int SENT = 0;
  84    private static final int RECEIVED = 1;
  85    private static final int STATUS = 2;
  86    private static final int DATE_SEPARATOR = 3;
  87    private static final int RTP_SESSION = 4;
  88    private final XmppActivity activity;
  89    private final AudioPlayer audioPlayer;
  90    private List<String> highlightedTerm = null;
  91    private DisplayMetrics metrics;
  92    private OnContactPictureClicked mOnContactPictureClickedListener;
  93    private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
  94    private boolean mUseGreenBackground = false;
  95    private OnQuoteListener onQuoteListener;
  96
  97    public MessageAdapter(XmppActivity activity, List<Message> messages) {
  98        super(activity, 0, messages);
  99        this.audioPlayer = new AudioPlayer(this);
 100        this.activity = activity;
 101        metrics = getContext().getResources().getDisplayMetrics();
 102        updatePreferences();
 103    }
 104
 105
 106    private static void resetClickListener(View... views) {
 107        for (View view : views) {
 108            view.setOnClickListener(null);
 109        }
 110    }
 111
 112    public void flagScreenOn() {
 113        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 114    }
 115
 116    public void flagScreenOff() {
 117        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 118    }
 119
 120    public void setVolumeControl(final int stream) {
 121        activity.setVolumeControlStream(stream);
 122    }
 123
 124    public void setOnContactPictureClicked(OnContactPictureClicked listener) {
 125        this.mOnContactPictureClickedListener = listener;
 126    }
 127
 128    public Activity getActivity() {
 129        return activity;
 130    }
 131
 132    public void setOnContactPictureLongClicked(
 133            OnContactPictureLongClicked listener) {
 134        this.mOnContactPictureLongClickedListener = listener;
 135    }
 136
 137    public void setOnQuoteListener(OnQuoteListener listener) {
 138        this.onQuoteListener = listener;
 139    }
 140
 141    @Override
 142    public int getViewTypeCount() {
 143        return 5;
 144    }
 145
 146    private int getItemViewType(Message message) {
 147        if (message.getType() == Message.TYPE_STATUS) {
 148            if (DATE_SEPARATOR_BODY.equals(message.getBody())) {
 149                return DATE_SEPARATOR;
 150            } else {
 151                return STATUS;
 152            }
 153        } else if (message.getType() == Message.TYPE_RTP_SESSION) {
 154            return RTP_SESSION;
 155        } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
 156            return RECEIVED;
 157        } else {
 158            return SENT;
 159        }
 160    }
 161
 162    @Override
 163    public int getItemViewType(int position) {
 164        return this.getItemViewType(getItem(position));
 165    }
 166
 167    private int getMessageTextColor(boolean onDark, boolean primary) {
 168        if (onDark) {
 169            return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
 170        } else {
 171            return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
 172        }
 173    }
 174
 175    private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
 176        String filesize = null;
 177        String info = null;
 178        boolean error = false;
 179        if (viewHolder.indicatorReceived != null) {
 180            viewHolder.indicatorReceived.setVisibility(View.GONE);
 181        }
 182
 183        if (viewHolder.edit_indicator != null) {
 184            if (message.edited()) {
 185                viewHolder.edit_indicator.setVisibility(View.VISIBLE);
 186                viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
 187                viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
 188            } else {
 189                viewHolder.edit_indicator.setVisibility(View.GONE);
 190            }
 191        }
 192        final Transferable transferable = message.getTransferable();
 193        boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
 194                && message.getMergedStatus() <= Message.STATUS_RECEIVED;
 195        if (message.isFileOrImage() || transferable != null || MessageUtils.unInitiatedButKnownSize(message)) {
 196            FileParams params = message.getFileParams();
 197            filesize = params.size > 0 ? UIHelper.filesizeToString(params.size) : null;
 198            if (transferable != null && (transferable.getStatus() == Transferable.STATUS_FAILED || transferable.getStatus() == Transferable.STATUS_CANCELLED)) {
 199                error = true;
 200            }
 201        }
 202        switch (message.getMergedStatus()) {
 203            case Message.STATUS_WAITING:
 204                info = getContext().getString(R.string.waiting);
 205                break;
 206            case Message.STATUS_UNSEND:
 207                if (transferable != null) {
 208                    info = getContext().getString(R.string.sending_file, transferable.getProgress());
 209                } else {
 210                    info = getContext().getString(R.string.sending);
 211                }
 212                break;
 213            case Message.STATUS_OFFERED:
 214                info = getContext().getString(R.string.offering);
 215                break;
 216            case Message.STATUS_SEND_RECEIVED:
 217            case Message.STATUS_SEND_DISPLAYED:
 218                viewHolder.indicatorReceived.setImageResource(darkBackground ? R.drawable.ic_done_white_18dp : R.drawable.ic_done_black_18dp);
 219                viewHolder.indicatorReceived.setAlpha(darkBackground ? 0.7f : 0.57f);
 220                viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
 221                break;
 222            case Message.STATUS_SEND_FAILED:
 223                final String errorMessage = message.getErrorMessage();
 224                if (Message.ERROR_MESSAGE_CANCELLED.equals(errorMessage)) {
 225                    info = getContext().getString(R.string.cancelled);
 226                } else if (errorMessage != null) {
 227                    final String[] errorParts = errorMessage.split("\\u001f", 2);
 228                    if (errorParts.length == 2) {
 229                        switch (errorParts[0]) {
 230                            case "file-too-large":
 231                                info = getContext().getString(R.string.file_too_large);
 232                                break;
 233                            default:
 234                                info = getContext().getString(R.string.send_failed);
 235                                break;
 236                        }
 237                    } else {
 238                        info = getContext().getString(R.string.send_failed);
 239                    }
 240                } else {
 241                    info = getContext().getString(R.string.send_failed);
 242                }
 243                error = true;
 244                break;
 245            default:
 246                if (multiReceived) {
 247                    info = UIHelper.getMessageDisplayName(message);
 248                }
 249                break;
 250        }
 251        if (error && type == SENT) {
 252            if (darkBackground) {
 253                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning_OnDark);
 254            } else {
 255                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
 256            }
 257        } else {
 258            if (darkBackground) {
 259                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_OnDark);
 260            } else {
 261                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption);
 262            }
 263            viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground, false));
 264        }
 265        if (message.getEncryption() == Message.ENCRYPTION_NONE) {
 266            viewHolder.indicator.setVisibility(View.GONE);
 267        } else {
 268            boolean verified = false;
 269            if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
 270                final FingerprintStatus status = message.getConversation()
 271                        .getAccount().getAxolotlService().getFingerprintTrust(
 272                                message.getFingerprint());
 273                if (status != null && status.isVerified()) {
 274                    verified = true;
 275                }
 276            }
 277            if (verified) {
 278                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
 279            } else {
 280                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
 281            }
 282            if (darkBackground) {
 283                viewHolder.indicator.setAlpha(0.7f);
 284            } else {
 285                viewHolder.indicator.setAlpha(0.57f);
 286            }
 287            viewHolder.indicator.setVisibility(View.VISIBLE);
 288        }
 289
 290        final String formattedTime = UIHelper.readableTimeDifferenceFull(getContext(), message.getMergedTimeSent());
 291        final String bodyLanguage = message.getBodyLanguage();
 292        final String bodyLanguageInfo = bodyLanguage == null ? "" : String.format(" \u00B7 %s", bodyLanguage.toUpperCase(Locale.US));
 293        if (message.getStatus() <= Message.STATUS_RECEIVED) {
 294            if ((filesize != null) && (info != null)) {
 295                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + " \u00B7 " + info + bodyLanguageInfo);
 296            } else if ((filesize == null) && (info != null)) {
 297                viewHolder.time.setText(formattedTime + " \u00B7 " + info + bodyLanguageInfo);
 298            } else if ((filesize != null) && (info == null)) {
 299                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + bodyLanguageInfo);
 300            } else {
 301                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
 302            }
 303        } else {
 304            if ((filesize != null) && (info != null)) {
 305                viewHolder.time.setText(filesize + " \u00B7 " + info + bodyLanguageInfo);
 306            } else if ((filesize == null) && (info != null)) {
 307                if (error) {
 308                    viewHolder.time.setText(info + " \u00B7 " + formattedTime + bodyLanguageInfo);
 309                } else {
 310                    viewHolder.time.setText(info);
 311                }
 312            } else if ((filesize != null) && (info == null)) {
 313                viewHolder.time.setText(filesize + " \u00B7 " + formattedTime + bodyLanguageInfo);
 314            } else {
 315                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
 316            }
 317        }
 318    }
 319
 320    private void displayInfoMessage(ViewHolder viewHolder, CharSequence text, boolean darkBackground) {
 321        viewHolder.download_button.setVisibility(View.GONE);
 322        viewHolder.audioPlayer.setVisibility(View.GONE);
 323        viewHolder.image.setVisibility(View.GONE);
 324        viewHolder.messageBody.setVisibility(View.VISIBLE);
 325        viewHolder.messageBody.setText(text);
 326        if (darkBackground) {
 327            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary_OnDark);
 328        } else {
 329            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary);
 330        }
 331        viewHolder.messageBody.setTextIsSelectable(false);
 332    }
 333
 334    private void displayEmojiMessage(final ViewHolder viewHolder, final String body, final boolean darkBackground) {
 335        viewHolder.download_button.setVisibility(View.GONE);
 336        viewHolder.audioPlayer.setVisibility(View.GONE);
 337        viewHolder.image.setVisibility(View.GONE);
 338        viewHolder.messageBody.setVisibility(View.VISIBLE);
 339        if (darkBackground) {
 340            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji_OnDark);
 341        } else {
 342            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji);
 343        }
 344        Spannable span = new SpannableString(body);
 345        float size = Emoticons.isEmoji(body) ? 3.0f : 2.0f;
 346        span.setSpan(new RelativeSizeSpan(size), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 347        viewHolder.messageBody.setText(EmojiWrapper.transform(span));
 348    }
 349
 350    private void applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
 351        if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
 352            body.insert(start++, "\n");
 353            body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 354            end++;
 355        }
 356        if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
 357            body.insert(end, "\n");
 358            body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 359        }
 360        int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
 361                : ContextCompat.getColor(activity, R.color.green700_desaturated);
 362        DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
 363        body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 364    }
 365
 366    /**
 367     * Applies QuoteSpan to group of lines which starts with > or » characters.
 368     * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
 369     */
 370    private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
 371        boolean startsWithQuote = false;
 372        char previous = '\n';
 373        int lineStart = -1;
 374        int lineTextStart = -1;
 375        int quoteStart = -1;
 376        for (int i = 0; i <= body.length(); i++) {
 377            char current = body.length() > i ? body.charAt(i) : '\n';
 378            if (lineStart == -1) {
 379                if (previous == '\n') {
 380                    if ((current == '>' && UIHelper.isPositionFollowedByQuoteableCharacter(body, i))
 381                            || current == '\u00bb' && !UIHelper.isPositionFollowedByQuote(body, i)) {
 382                        // Line start with quote
 383                        lineStart = i;
 384                        if (quoteStart == -1) quoteStart = i;
 385                        if (i == 0) startsWithQuote = true;
 386                    } else if (quoteStart >= 0) {
 387                        // Line start without quote, apply spans there
 388                        applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
 389                        quoteStart = -1;
 390                    }
 391                }
 392            } else {
 393                // Remove extra spaces between > and first character in the line
 394                // > character will be removed too
 395                if (current != ' ' && lineTextStart == -1) {
 396                    lineTextStart = i;
 397                }
 398                if (current == '\n') {
 399                    body.delete(lineStart, lineTextStart);
 400                    i -= lineTextStart - lineStart;
 401                    if (i == lineStart) {
 402                        // Avoid empty lines because span over empty line can be hidden
 403                        body.insert(i++, " ");
 404                    }
 405                    lineStart = -1;
 406                    lineTextStart = -1;
 407                }
 408            }
 409            previous = current;
 410        }
 411        if (quoteStart >= 0) {
 412            // Apply spans to finishing open quote
 413            applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
 414        }
 415        return startsWithQuote;
 416    }
 417
 418    private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
 419        viewHolder.download_button.setVisibility(View.GONE);
 420        viewHolder.image.setVisibility(View.GONE);
 421        viewHolder.audioPlayer.setVisibility(View.GONE);
 422        viewHolder.messageBody.setVisibility(View.VISIBLE);
 423
 424        if (darkBackground) {
 425            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_OnDark);
 426        } else {
 427            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1);
 428        }
 429        viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
 430                ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
 431        viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
 432
 433        if (message.getBody() != null) {
 434            final String nick = UIHelper.getMessageDisplayName(message);
 435            SpannableStringBuilder body = message.getMergedBody();
 436            boolean hasMeCommand = message.hasMeCommand();
 437            if (hasMeCommand) {
 438                body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
 439            }
 440            if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
 441                body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
 442                body.append("\u2026");
 443            }
 444            Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
 445            for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
 446                int start = body.getSpanStart(mergeSeparator);
 447                int end = body.getSpanEnd(mergeSeparator);
 448                body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 449            }
 450            boolean startsWithQuote = handleTextQuotes(body, darkBackground);
 451            if (!message.isPrivateMessage()) {
 452                if (hasMeCommand) {
 453                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
 454                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 455                }
 456            } else {
 457                String privateMarker;
 458                if (message.getStatus() <= Message.STATUS_RECEIVED) {
 459                    privateMarker = activity.getString(R.string.private_message);
 460                } else {
 461                    Jid cp = message.getCounterpart();
 462                    privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
 463                }
 464                body.insert(0, privateMarker);
 465                int privateMarkerIndex = privateMarker.length();
 466                if (startsWithQuote) {
 467                    body.insert(privateMarkerIndex, "\n\n");
 468                    body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
 469                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 470                } else {
 471                    body.insert(privateMarkerIndex, " ");
 472                }
 473                body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 474                body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 475                if (hasMeCommand) {
 476                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
 477                            privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 478                }
 479            }
 480            if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
 481                if (message.getConversation() instanceof Conversation) {
 482                    final Conversation conversation = (Conversation) message.getConversation();
 483                    Pattern pattern = NotificationService.generateNickHighlightPattern(conversation.getMucOptions().getActualNick());
 484                    Matcher matcher = pattern.matcher(body);
 485                    while (matcher.find()) {
 486                        body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 487                    }
 488                }
 489            }
 490            Matcher matcher = Emoticons.getEmojiPattern(body).matcher(body);
 491            while (matcher.find()) {
 492                if (matcher.start() < matcher.end()) {
 493                    body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 494                }
 495            }
 496
 497            StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
 498            if (highlightedTerm != null) {
 499                StylingHelper.highlight(activity, body, highlightedTerm, StylingHelper.isDarkText(viewHolder.messageBody));
 500            }
 501            MyLinkify.addLinks(body, true);
 502            viewHolder.messageBody.setAutoLinkMask(0);
 503            viewHolder.messageBody.setText(EmojiWrapper.transform(body));
 504            viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
 505        } else {
 506            viewHolder.messageBody.setText("");
 507            viewHolder.messageBody.setTextIsSelectable(false);
 508        }
 509    }
 510
 511    private void displayDownloadableMessage(ViewHolder viewHolder, final Message message, String text, final boolean darkBackground) {
 512        toggleWhisperInfo(viewHolder, message, darkBackground);
 513        viewHolder.image.setVisibility(View.GONE);
 514        viewHolder.audioPlayer.setVisibility(View.GONE);
 515        viewHolder.download_button.setVisibility(View.VISIBLE);
 516        viewHolder.download_button.setText(text);
 517        viewHolder.download_button.setOnClickListener(v -> ConversationFragment.downloadFile(activity, message));
 518    }
 519
 520    private void displayOpenableMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
 521        toggleWhisperInfo(viewHolder, message, darkBackground);
 522        viewHolder.image.setVisibility(View.GONE);
 523        viewHolder.audioPlayer.setVisibility(View.GONE);
 524        viewHolder.download_button.setVisibility(View.VISIBLE);
 525        viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
 526        viewHolder.download_button.setOnClickListener(v -> openDownloadable(message));
 527    }
 528
 529    private void displayLocationMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
 530        toggleWhisperInfo(viewHolder, message, darkBackground);
 531        viewHolder.image.setVisibility(View.GONE);
 532        viewHolder.audioPlayer.setVisibility(View.GONE);
 533        viewHolder.download_button.setVisibility(View.VISIBLE);
 534        viewHolder.download_button.setText(R.string.show_location);
 535        viewHolder.download_button.setOnClickListener(v -> showLocation(message));
 536    }
 537
 538    private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground) {
 539        toggleWhisperInfo(viewHolder, message, darkBackground);
 540        viewHolder.image.setVisibility(View.GONE);
 541        viewHolder.download_button.setVisibility(View.GONE);
 542        final RelativeLayout audioPlayer = viewHolder.audioPlayer;
 543        audioPlayer.setVisibility(View.VISIBLE);
 544        AudioPlayer.ViewHolder.get(audioPlayer).setDarkBackground(darkBackground);
 545        this.audioPlayer.init(audioPlayer, message);
 546    }
 547
 548    private void displayMediaPreviewMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
 549        toggleWhisperInfo(viewHolder, message, darkBackground);
 550        viewHolder.download_button.setVisibility(View.GONE);
 551        viewHolder.audioPlayer.setVisibility(View.GONE);
 552        viewHolder.image.setVisibility(View.VISIBLE);
 553        final FileParams params = message.getFileParams();
 554        final float target = activity.getResources().getDimension(R.dimen.image_preview_width);
 555        final int scaledW;
 556        final int scaledH;
 557        if (Math.max(params.height, params.width) * metrics.density <= target) {
 558            scaledW = (int) (params.width * metrics.density);
 559            scaledH = (int) (params.height * metrics.density);
 560        } else if (Math.max(params.height, params.width) <= target) {
 561            scaledW = params.width;
 562            scaledH = params.height;
 563        } else if (params.width <= params.height) {
 564            scaledW = (int) (params.width / ((double) params.height / target));
 565            scaledH = (int) target;
 566        } else {
 567            scaledW = (int) target;
 568            scaledH = (int) (params.height / ((double) params.width / target));
 569        }
 570        final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
 571        layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
 572        viewHolder.image.setLayoutParams(layoutParams);
 573        activity.loadBitmap(message, viewHolder.image);
 574        viewHolder.image.setOnClickListener(v -> openDownloadable(message));
 575    }
 576
 577    private void toggleWhisperInfo(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
 578        if (message.isPrivateMessage()) {
 579            final String privateMarker;
 580            if (message.getStatus() <= Message.STATUS_RECEIVED) {
 581                privateMarker = activity.getString(R.string.private_message);
 582            } else {
 583                Jid cp = message.getCounterpart();
 584                privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
 585            }
 586            final SpannableString body = new SpannableString(privateMarker);
 587            body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 588            body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 589            viewHolder.messageBody.setText(body);
 590            viewHolder.messageBody.setVisibility(View.VISIBLE);
 591        } else {
 592            viewHolder.messageBody.setVisibility(View.GONE);
 593        }
 594    }
 595
 596    private void loadMoreMessages(Conversation conversation) {
 597        conversation.setLastClearHistory(0, null);
 598        activity.xmppConnectionService.updateConversation(conversation);
 599        conversation.setHasMessagesLeftOnServer(true);
 600        conversation.setFirstMamReference(null);
 601        long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
 602        if (timestamp == 0) {
 603            timestamp = System.currentTimeMillis();
 604        }
 605        conversation.messagesLoaded.set(true);
 606        MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
 607        if (query != null) {
 608            Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
 609        } else {
 610            Toast.makeText(activity, R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
 611        }
 612    }
 613
 614    @Override
 615    public View getView(int position, View view, ViewGroup parent) {
 616        final Message message = getItem(position);
 617        final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
 618        final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
 619        final Conversational conversation = message.getConversation();
 620        final Account account = conversation.getAccount();
 621        final int type = getItemViewType(position);
 622        ViewHolder viewHolder;
 623        if (view == null) {
 624            viewHolder = new ViewHolder();
 625            switch (type) {
 626                case DATE_SEPARATOR:
 627                    view = activity.getLayoutInflater().inflate(R.layout.message_date_bubble, parent, false);
 628                    viewHolder.status_message = view.findViewById(R.id.message_body);
 629                    viewHolder.message_box = view.findViewById(R.id.message_box);
 630                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 631                    break;
 632                case RTP_SESSION:
 633                    view = activity.getLayoutInflater().inflate(R.layout.message_rtp_session, parent, false);
 634                    viewHolder.status_message = view.findViewById(R.id.message_body);
 635                    viewHolder.message_box = view.findViewById(R.id.message_box);
 636                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 637                    break;
 638                case SENT:
 639                    view = activity.getLayoutInflater().inflate(R.layout.message_sent, parent, false);
 640                    viewHolder.message_box = view.findViewById(R.id.message_box);
 641                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 642                    viewHolder.download_button = view.findViewById(R.id.download_button);
 643                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
 644                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 645                    viewHolder.image = view.findViewById(R.id.message_image);
 646                    viewHolder.messageBody = view.findViewById(R.id.message_body);
 647                    viewHolder.time = view.findViewById(R.id.message_time);
 648                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 649                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 650                    break;
 651                case RECEIVED:
 652                    view = activity.getLayoutInflater().inflate(R.layout.message_received, parent, false);
 653                    viewHolder.message_box = view.findViewById(R.id.message_box);
 654                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 655                    viewHolder.download_button = view.findViewById(R.id.download_button);
 656                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
 657                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 658                    viewHolder.image = view.findViewById(R.id.message_image);
 659                    viewHolder.messageBody = view.findViewById(R.id.message_body);
 660                    viewHolder.time = view.findViewById(R.id.message_time);
 661                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 662                    viewHolder.encryption = view.findViewById(R.id.message_encryption);
 663                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 664                    break;
 665                case STATUS:
 666                    view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
 667                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 668                    viewHolder.status_message = view.findViewById(R.id.status_message);
 669                    viewHolder.load_more_messages = view.findViewById(R.id.load_more_messages);
 670                    break;
 671                default:
 672                    throw new AssertionError("Unknown view type");
 673            }
 674            if (viewHolder.messageBody != null) {
 675                viewHolder.messageBody.setCopyHandler(this);
 676            }
 677            view.setTag(viewHolder);
 678        } else {
 679            viewHolder = (ViewHolder) view.getTag();
 680            if (viewHolder == null) {
 681                return view;
 682            }
 683        }
 684
 685        boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
 686
 687        if (type == DATE_SEPARATOR) {
 688            if (UIHelper.today(message.getTimeSent())) {
 689                viewHolder.status_message.setText(R.string.today);
 690            } else if (UIHelper.yesterday(message.getTimeSent())) {
 691                viewHolder.status_message.setText(R.string.yesterday);
 692            } else {
 693                viewHolder.status_message.setText(DateUtils.formatDateTime(activity, message.getTimeSent(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR));
 694            }
 695            viewHolder.message_box.setBackgroundResource(activity.isDarkTheme() ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 696            return view;
 697        } else if (type == RTP_SESSION) {
 698            final boolean isDarkTheme = activity.isDarkTheme();
 699            final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
 700            final RtpSessionStatus rtpSessionStatus = RtpSessionStatus.of(message.getBody());
 701            final long duration = rtpSessionStatus.duration;
 702            if (received) {
 703                if (duration > 0) {
 704                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_duration, TimeFrameUtils.resolve(activity, duration)));
 705                } else if (rtpSessionStatus.successful) {
 706                    viewHolder.status_message.setText(R.string.incoming_call);
 707                } else {
 708                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_duration, UIHelper.readableTimeDifferenceFull(activity, message.getTimeSent())));
 709                }
 710            } else {
 711                if (duration > 0) {
 712                    viewHolder.status_message.setText(activity.getString(R.string.outgoing_call_duration, TimeFrameUtils.resolve(activity, duration)));
 713                } else {
 714                    viewHolder.status_message.setText(R.string.outgoing_call);
 715                }
 716            }
 717            viewHolder.indicatorReceived.setImageResource(RtpSessionStatus.getDrawable(received, rtpSessionStatus.successful, isDarkTheme));
 718            viewHolder.indicatorReceived.setAlpha(isDarkTheme ? 0.7f : 0.57f);
 719            viewHolder.message_box.setBackgroundResource(isDarkTheme ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 720            return view;
 721        } else if (type == STATUS) {
 722            if ("LOAD_MORE".equals(message.getBody())) {
 723                viewHolder.status_message.setVisibility(View.GONE);
 724                viewHolder.contact_picture.setVisibility(View.GONE);
 725                viewHolder.load_more_messages.setVisibility(View.VISIBLE);
 726                viewHolder.load_more_messages.setOnClickListener(v -> loadMoreMessages((Conversation) message.getConversation()));
 727            } else {
 728                viewHolder.status_message.setVisibility(View.VISIBLE);
 729                viewHolder.load_more_messages.setVisibility(View.GONE);
 730                viewHolder.status_message.setText(message.getBody());
 731                boolean showAvatar;
 732                if (conversation.getMode() == Conversation.MODE_SINGLE) {
 733                    showAvatar = true;
 734                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
 735                } else if (message.getCounterpart() != null || message.getTrueCounterpart() != null || (message.getCounterparts() != null && message.getCounterparts().size() > 0)) {
 736                    showAvatar = true;
 737                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
 738                } else {
 739                    showAvatar = false;
 740                }
 741                if (showAvatar) {
 742                    viewHolder.contact_picture.setAlpha(0.5f);
 743                    viewHolder.contact_picture.setVisibility(View.VISIBLE);
 744                } else {
 745                    viewHolder.contact_picture.setVisibility(View.GONE);
 746                }
 747            }
 748            return view;
 749        } else {
 750            AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar);
 751        }
 752
 753        resetClickListener(viewHolder.message_box, viewHolder.messageBody);
 754
 755        viewHolder.contact_picture.setOnClickListener(v -> {
 756            if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
 757                MessageAdapter.this.mOnContactPictureClickedListener
 758                        .onContactPictureClicked(message);
 759            }
 760
 761        });
 762        viewHolder.contact_picture.setOnLongClickListener(v -> {
 763            if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
 764                MessageAdapter.this.mOnContactPictureLongClickedListener
 765                        .onContactPictureLongClicked(v, message);
 766                return true;
 767            } else {
 768                return false;
 769            }
 770        });
 771
 772        final Transferable transferable = message.getTransferable();
 773        final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
 774        if (unInitiatedButKnownSize || message.isDeleted() || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING)) {
 775            if (unInitiatedButKnownSize || transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER) {
 776                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)), darkBackground);
 777            } else if (transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
 778                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)), darkBackground);
 779            } else {
 780                displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first, darkBackground);
 781            }
 782        } else if (message.isFileOrImage() && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
 783            if (message.getFileParams().width > 0 && message.getFileParams().height > 0) {
 784                displayMediaPreviewMessage(viewHolder, message, darkBackground);
 785            } else if (message.getFileParams().runtime > 0) {
 786                displayAudioMessage(viewHolder, message, darkBackground);
 787            } else {
 788                displayOpenableMessage(viewHolder, message, darkBackground);
 789            }
 790        } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 791            if (account.isPgpDecryptionServiceConnected()) {
 792                if (conversation instanceof Conversation && !account.hasPendingPgpIntent((Conversation) conversation)) {
 793                    displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
 794                } else {
 795                    displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
 796                }
 797            } else {
 798                displayInfoMessage(viewHolder, activity.getString(R.string.install_openkeychain), darkBackground);
 799                viewHolder.message_box.setOnClickListener(this::promptOpenKeychainInstall);
 800                viewHolder.messageBody.setOnClickListener(this::promptOpenKeychainInstall);
 801            }
 802        } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
 803            displayInfoMessage(viewHolder, activity.getString(R.string.decryption_failed), darkBackground);
 804        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
 805            displayInfoMessage(viewHolder, activity.getString(R.string.not_encrypted_for_this_device), darkBackground);
 806        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
 807            displayInfoMessage(viewHolder, activity.getString(R.string.omemo_decryption_failed), darkBackground);
 808        } else {
 809            if (message.isGeoUri()) {
 810                displayLocationMessage(viewHolder, message, darkBackground);
 811            } else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
 812                displayEmojiMessage(viewHolder, message.getBody().trim(), darkBackground);
 813            } else if (message.treatAsDownloadable()) {
 814                try {
 815                    URL url = new URL(message.getBody());
 816                    if (P1S3UrlStreamHandler.PROTOCOL_NAME.equalsIgnoreCase(url.getProtocol())) {
 817                        displayDownloadableMessage(viewHolder,
 818                                message,
 819                                activity.getString(R.string.check_x_filesize,
 820                                        UIHelper.getFileDescriptionString(activity, message)),
 821                                darkBackground);
 822                    } else {
 823                        displayDownloadableMessage(viewHolder,
 824                                message,
 825                                activity.getString(R.string.check_x_filesize_on_host,
 826                                        UIHelper.getFileDescriptionString(activity, message),
 827                                        url.getHost()),
 828                                darkBackground);
 829                    }
 830                } catch (Exception e) {
 831                    displayDownloadableMessage(viewHolder,
 832                            message,
 833                            activity.getString(R.string.check_x_filesize,
 834                                    UIHelper.getFileDescriptionString(activity, message)),
 835                            darkBackground);
 836                }
 837            } else {
 838                displayTextMessage(viewHolder, message, darkBackground, type);
 839            }
 840        }
 841
 842        if (type == RECEIVED) {
 843            if (isInValidSession) {
 844                int bubble;
 845                if (!mUseGreenBackground) {
 846                    bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
 847                } else {
 848                    bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
 849                }
 850                viewHolder.message_box.setBackgroundResource(bubble);
 851                viewHolder.encryption.setVisibility(View.GONE);
 852            } else {
 853                viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
 854                viewHolder.encryption.setVisibility(View.VISIBLE);
 855                if (omemoEncryption && !message.isTrusted()) {
 856                    viewHolder.encryption.setText(R.string.not_trusted);
 857                } else {
 858                    viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
 859                }
 860            }
 861        }
 862
 863        displayStatus(viewHolder, message, type, darkBackground);
 864
 865        return view;
 866    }
 867
 868    private void promptOpenKeychainInstall(View view) {
 869        activity.showInstallPgpDialog();
 870    }
 871
 872    private String transformText(CharSequence text, int start, int end, boolean forCopy) {
 873        SpannableStringBuilder builder = new SpannableStringBuilder(text);
 874        Object copySpan = new Object();
 875        builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 876        DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
 877        for (DividerSpan dividerSpan : dividerSpans) {
 878            builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
 879                    dividerSpan.isLarge() ? "\n\n" : "\n");
 880        }
 881        start = builder.getSpanStart(copySpan);
 882        end = builder.getSpanEnd(copySpan);
 883        if (start == -1 || end == -1) return "";
 884        builder = new SpannableStringBuilder(builder, start, end);
 885        if (forCopy) {
 886            QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
 887            for (QuoteSpan quoteSpan : quoteSpans) {
 888                builder.insert(builder.getSpanStart(quoteSpan), "> ");
 889            }
 890        }
 891        return builder.toString();
 892    }
 893
 894    @Override
 895    public String transformTextForCopy(CharSequence text, int start, int end) {
 896        if (text instanceof Spanned) {
 897            return transformText(text, start, end, true);
 898        } else {
 899            return text.toString().substring(start, end);
 900        }
 901    }
 902
 903    public FileBackend getFileBackend() {
 904        return activity.xmppConnectionService.getFileBackend();
 905    }
 906
 907    public void stopAudioPlayer() {
 908        audioPlayer.stop();
 909    }
 910
 911    public void unregisterListenerInAudioPlayer() {
 912        audioPlayer.unregisterListener();
 913    }
 914
 915    public void startStopPending() {
 916        audioPlayer.startStopPending();
 917    }
 918
 919    public void openDownloadable(Message message) {
 920        if (ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 921            ConversationFragment.registerPendingMessage(activity, message);
 922            ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, ConversationsActivity.REQUEST_OPEN_MESSAGE);
 923            return;
 924        }
 925        final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
 926        ViewUtil.view(activity, file);
 927    }
 928
 929    private void showLocation(Message message) {
 930        for (Intent intent : GeoHelper.createGeoIntentsFromMessage(activity, message)) {
 931            if (intent.resolveActivity(getContext().getPackageManager()) != null) {
 932                getContext().startActivity(intent);
 933                return;
 934            }
 935        }
 936        Toast.makeText(activity, R.string.no_application_found_to_display_location, Toast.LENGTH_SHORT).show();
 937    }
 938
 939    public void updatePreferences() {
 940        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
 941        this.mUseGreenBackground = p.getBoolean("use_green_background", activity.getResources().getBoolean(R.bool.use_green_background));
 942    }
 943
 944
 945    public void setHighlightedTerm(List<String> terms) {
 946        this.highlightedTerm = terms == null ? null : StylingHelper.filterHighlightedWords(terms);
 947    }
 948
 949    public interface OnQuoteListener {
 950        void onQuote(String text);
 951    }
 952
 953    public interface OnContactPictureClicked {
 954        void onContactPictureClicked(Message message);
 955    }
 956
 957    public interface OnContactPictureLongClicked {
 958        void onContactPictureLongClicked(View v, Message message);
 959    }
 960
 961    private static class ViewHolder {
 962
 963        public Button load_more_messages;
 964        public ImageView edit_indicator;
 965        public RelativeLayout audioPlayer;
 966        protected LinearLayout message_box;
 967        protected Button download_button;
 968        protected ImageView image;
 969        protected ImageView indicator;
 970        protected ImageView indicatorReceived;
 971        protected TextView time;
 972        protected CopyTextView messageBody;
 973        protected ImageView contact_picture;
 974        protected TextView status_message;
 975        protected TextView encryption;
 976    }
 977
 978
 979    private class MessageBodyActionModeCallback implements ActionMode.Callback {
 980
 981        private final TextView textView;
 982
 983        public MessageBodyActionModeCallback(TextView textView) {
 984            this.textView = textView;
 985        }
 986
 987        @Override
 988        public boolean onCreateActionMode(ActionMode mode, Menu menu) {
 989            if (onQuoteListener != null) {
 990                int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
 991                // 3rd item is placed after "copy" item
 992                menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
 993                        .setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
 994            }
 995            return false;
 996        }
 997
 998        @Override
 999        public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
1000            return false;
1001        }
1002
1003        @Override
1004        public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
1005            if (item.getItemId() == android.R.id.button1) {
1006                int start = textView.getSelectionStart();
1007                int end = textView.getSelectionEnd();
1008                if (end > start) {
1009                    String text = transformText(textView.getText(), start, end, false);
1010                    if (onQuoteListener != null) {
1011                        onQuoteListener.onQuote(text);
1012                    }
1013                    mode.finish();
1014                }
1015                return true;
1016            }
1017            return false;
1018        }
1019
1020        @Override
1021        public void onDestroyActionMode(ActionMode mode) {
1022        }
1023    }
1024}