1package eu.siacs.conversations.ui.adapter;
   2
   3import android.Manifest;
   4import android.app.Activity;
   5import android.content.ActivityNotFoundException;
   6import android.content.Intent;
   7import android.content.SharedPreferences;
   8import android.content.pm.PackageManager;
   9import android.content.pm.ResolveInfo;
  10import android.content.res.Resources;
  11import android.graphics.Bitmap;
  12import android.graphics.Color;
  13import android.graphics.Typeface;
  14import android.graphics.drawable.BitmapDrawable;
  15import android.graphics.drawable.Drawable;
  16import android.net.Uri;
  17import android.os.AsyncTask;
  18import android.preference.PreferenceManager;
  19import android.support.annotation.ColorInt;
  20import android.support.v4.app.ActivityCompat;
  21import android.support.v4.content.ContextCompat;
  22import android.text.Spannable;
  23import android.text.SpannableString;
  24import android.text.SpannableStringBuilder;
  25import android.text.Spanned;
  26import android.text.format.DateUtils;
  27import android.text.style.ForegroundColorSpan;
  28import android.text.style.RelativeSizeSpan;
  29import android.text.style.StyleSpan;
  30import android.text.util.Linkify;
  31import android.util.DisplayMetrics;
  32import android.util.Log;
  33import android.view.ActionMode;
  34import android.view.Menu;
  35import android.view.MenuItem;
  36import android.view.View;
  37import android.view.ViewGroup;
  38import android.view.WindowManager;
  39import android.widget.ArrayAdapter;
  40import android.widget.Button;
  41import android.widget.ImageView;
  42import android.widget.LinearLayout;
  43import android.widget.RelativeLayout;
  44import android.widget.TextView;
  45import android.widget.Toast;
  46
  47import java.lang.ref.WeakReference;
  48import java.net.URL;
  49import java.util.List;
  50import java.util.Locale;
  51import java.util.concurrent.RejectedExecutionException;
  52import java.util.regex.Matcher;
  53import java.util.regex.Pattern;
  54
  55import eu.siacs.conversations.Config;
  56import eu.siacs.conversations.R;
  57import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
  58import eu.siacs.conversations.entities.Account;
  59import eu.siacs.conversations.entities.Conversation;
  60import eu.siacs.conversations.entities.Conversational;
  61import eu.siacs.conversations.entities.DownloadableFile;
  62import eu.siacs.conversations.entities.Message;
  63import eu.siacs.conversations.entities.Message.FileParams;
  64import eu.siacs.conversations.entities.Transferable;
  65import eu.siacs.conversations.persistance.FileBackend;
  66import eu.siacs.conversations.services.MessageArchiveService;
  67import eu.siacs.conversations.services.NotificationService;
  68import eu.siacs.conversations.ui.ConversationsActivity;
  69import eu.siacs.conversations.ui.ConversationFragment;
  70import eu.siacs.conversations.ui.XmppActivity;
  71import eu.siacs.conversations.ui.service.AudioPlayer;
  72import eu.siacs.conversations.ui.text.DividerSpan;
  73import eu.siacs.conversations.ui.text.FixedURLSpan;
  74import eu.siacs.conversations.ui.text.QuoteSpan;
  75import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
  76import eu.siacs.conversations.ui.widget.CopyTextView;
  77import eu.siacs.conversations.ui.widget.ListSelectionManager;
  78import eu.siacs.conversations.utils.CryptoHelper;
  79import eu.siacs.conversations.utils.EmojiWrapper;
  80import eu.siacs.conversations.utils.Emoticons;
  81import eu.siacs.conversations.utils.GeoHelper;
  82import eu.siacs.conversations.utils.Patterns;
  83import eu.siacs.conversations.utils.StylingHelper;
  84import eu.siacs.conversations.utils.UIHelper;
  85import eu.siacs.conversations.utils.XmppUri;
  86import eu.siacs.conversations.xmpp.mam.MamReference;
  87
  88public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
  89
  90	public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
  91	private static final int SENT = 0;
  92	private static final int RECEIVED = 1;
  93	private static final int STATUS = 2;
  94	private static final int DATE_SEPARATOR = 3;
  95
  96	private List<String> highlightedTerm = null;
  97
  98	private static final Linkify.TransformFilter WEBURL_TRANSFORM_FILTER = (matcher, url) -> {
  99		if (url == null) {
 100			return null;
 101		}
 102		final String lcUrl = url.toLowerCase(Locale.US);
 103		if (lcUrl.startsWith("http://") || lcUrl.startsWith("https://")) {
 104			return removeTrailingBracket(url);
 105		} else {
 106			return "http://" + removeTrailingBracket(url);
 107		}
 108	};
 109
 110	private static String removeTrailingBracket(final String url) {
 111		int numOpenBrackets = 0;
 112		for (char c : url.toCharArray()) {
 113			if (c == '(') {
 114				++numOpenBrackets;
 115			} else if (c == ')') {
 116				--numOpenBrackets;
 117			}
 118		}
 119		if (numOpenBrackets != 0 && url.charAt(url.length() - 1) == ')') {
 120			return url.substring(0, url.length() - 1);
 121		} else {
 122			return url;
 123		}
 124	}
 125
 126	private static final Linkify.MatchFilter WEBURL_MATCH_FILTER = (cs, start, end) -> {
 127		if (start > 0) {
 128			if (cs.charAt(start - 1) == '@' || cs.charAt(start - 1) == '.'
 129					|| cs.subSequence(Math.max(0, start - 3), start).equals("://")) {
 130				return false;
 131			}
 132		}
 133
 134		if (end < cs.length()) {
 135			// Reject strings that were probably matched only because they contain a dot followed by
 136			// by some known TLD (see also comment for WORD_BOUNDARY in Patterns.java)
 137			if (Character.isAlphabetic(cs.charAt(end-1)) && Character.isAlphabetic(cs.charAt(end))) {
 138				return false;
 139			}
 140		}
 141
 142		return true;
 143	};
 144
 145	private static final Linkify.MatchFilter XMPPURI_MATCH_FILTER = (s, start, end) -> {
 146		XmppUri uri = new XmppUri(s.subSequence(start, end).toString());
 147		return uri.isJidValid();
 148	};
 149
 150	private final XmppActivity activity;
 151	private final ListSelectionManager listSelectionManager = new ListSelectionManager();
 152	private final AudioPlayer audioPlayer;
 153	private DisplayMetrics metrics;
 154	private OnContactPictureClicked mOnContactPictureClickedListener;
 155	private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
 156	private boolean mIndicateReceived = false;
 157	private boolean mUseGreenBackground = false;
 158	private OnQuoteListener onQuoteListener;
 159
 160	public MessageAdapter(XmppActivity activity, List<Message> messages) {
 161		super(activity, 0, messages);
 162		this.audioPlayer = new AudioPlayer(this);
 163		this.activity = activity;
 164		metrics = getContext().getResources().getDisplayMetrics();
 165		updatePreferences();
 166	}
 167
 168	public static boolean cancelPotentialWork(Message message, ImageView imageView) {
 169		final BitmapWorkerTask bitmapWorkerTask = getBitmapWorkerTask(imageView);
 170
 171		if (bitmapWorkerTask != null) {
 172			final Message oldMessage = bitmapWorkerTask.message;
 173			if (oldMessage == null || message != oldMessage) {
 174				bitmapWorkerTask.cancel(true);
 175			} else {
 176				return false;
 177			}
 178		}
 179		return true;
 180	}
 181
 182	private static BitmapWorkerTask getBitmapWorkerTask(ImageView imageView) {
 183		if (imageView != null) {
 184			final Drawable drawable = imageView.getDrawable();
 185			if (drawable instanceof AsyncDrawable) {
 186				final AsyncDrawable asyncDrawable = (AsyncDrawable) drawable;
 187				return asyncDrawable.getBitmapWorkerTask();
 188			}
 189		}
 190		return null;
 191	}
 192
 193	public void flagScreenOn() {
 194		activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 195	}
 196
 197	public void flagScreenOff() {
 198		activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 199	}
 200
 201	public void setOnContactPictureClicked(OnContactPictureClicked listener) {
 202		this.mOnContactPictureClickedListener = listener;
 203	}
 204
 205	public Activity getActivity() {
 206		return activity;
 207	}
 208
 209	public void setOnContactPictureLongClicked(
 210			OnContactPictureLongClicked listener) {
 211		this.mOnContactPictureLongClickedListener = listener;
 212	}
 213
 214	public void setOnQuoteListener(OnQuoteListener listener) {
 215		this.onQuoteListener = listener;
 216	}
 217
 218	@Override
 219	public int getViewTypeCount() {
 220		return 4;
 221	}
 222
 223	private int getItemViewType(Message message) {
 224		if (message.getType() == Message.TYPE_STATUS) {
 225			if (DATE_SEPARATOR_BODY.equals(message.getBody())) {
 226				return DATE_SEPARATOR;
 227			} else {
 228				return STATUS;
 229			}
 230		} else if (message.getStatus() <= Message.STATUS_RECEIVED) {
 231			return RECEIVED;
 232		}
 233
 234		return SENT;
 235	}
 236
 237	@Override
 238	public int getItemViewType(int position) {
 239		return this.getItemViewType(getItem(position));
 240	}
 241
 242	private int getMessageTextColor(boolean onDark, boolean primary) {
 243		if (onDark) {
 244			return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
 245		} else {
 246			return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
 247		}
 248	}
 249
 250	private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
 251		String filesize = null;
 252		String info = null;
 253		boolean error = false;
 254		if (viewHolder.indicatorReceived != null) {
 255			viewHolder.indicatorReceived.setVisibility(View.GONE);
 256		}
 257
 258		if (viewHolder.edit_indicator != null) {
 259			if (message.edited()) {
 260				viewHolder.edit_indicator.setVisibility(View.VISIBLE);
 261				viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
 262				viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
 263			} else {
 264				viewHolder.edit_indicator.setVisibility(View.GONE);
 265			}
 266		}
 267		boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
 268				&& message.getMergedStatus() <= Message.STATUS_RECEIVED;
 269		if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getTransferable() != null) {
 270			FileParams params = message.getFileParams();
 271			if (params.size > (1.5 * 1024 * 1024)) {
 272				filesize = Math.round(params.size * 1f / (1024 * 1024)) + " MiB";
 273			} else if (params.size >= 1024) {
 274				filesize = Math.round(params.size * 1f / 1024) + " KiB";
 275			} else if (params.size > 0) {
 276				filesize = params.size + " B";
 277			}
 278			if (message.getTransferable() != null && message.getTransferable().getStatus() == Transferable.STATUS_FAILED) {
 279				error = true;
 280			}
 281		}
 282		switch (message.getMergedStatus()) {
 283			case Message.STATUS_WAITING:
 284				info = getContext().getString(R.string.waiting);
 285				break;
 286			case Message.STATUS_UNSEND:
 287				Transferable d = message.getTransferable();
 288				if (d != null) {
 289					info = getContext().getString(R.string.sending_file, d.getProgress());
 290				} else {
 291					info = getContext().getString(R.string.sending);
 292				}
 293				break;
 294			case Message.STATUS_OFFERED:
 295				info = getContext().getString(R.string.offering);
 296				break;
 297			case Message.STATUS_SEND_RECEIVED:
 298				if (mIndicateReceived) {
 299					viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
 300				}
 301				break;
 302			case Message.STATUS_SEND_DISPLAYED:
 303				if (mIndicateReceived) {
 304					viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
 305				}
 306				break;
 307			case Message.STATUS_SEND_FAILED:
 308				info = getContext().getString(R.string.send_failed);
 309				error = true;
 310				break;
 311			default:
 312				if (multiReceived) {
 313					info = UIHelper.getMessageDisplayName(message);
 314				}
 315				break;
 316		}
 317		if (error && type == SENT) {
 318			viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
 319		} else {
 320			if (darkBackground) {
 321				viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_OnDark);
 322			} else {
 323				viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption);
 324			}
 325			viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground, false));
 326		}
 327		if (message.getEncryption() == Message.ENCRYPTION_NONE) {
 328			viewHolder.indicator.setVisibility(View.GONE);
 329		} else {
 330			boolean verified = false;
 331			if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
 332				final FingerprintStatus status = message.getConversation()
 333						.getAccount().getAxolotlService().getFingerprintTrust(
 334								message.getFingerprint());
 335				if (status != null && status.isVerified()) {
 336					verified = true;
 337				}
 338			}
 339			if (verified) {
 340				viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
 341			} else {
 342				viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
 343			}
 344			if (darkBackground) {
 345				viewHolder.indicator.setAlpha(0.7f);
 346			} else {
 347				viewHolder.indicator.setAlpha(0.57f);
 348			}
 349			viewHolder.indicator.setVisibility(View.VISIBLE);
 350		}
 351
 352		String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(), message.getMergedTimeSent());
 353		if (message.getStatus() <= Message.STATUS_RECEIVED) {
 354			if ((filesize != null) && (info != null)) {
 355				viewHolder.time.setText(formatedTime + " \u00B7 " + filesize + " \u00B7 " + info);
 356			} else if ((filesize == null) && (info != null)) {
 357				viewHolder.time.setText(formatedTime + " \u00B7 " + info);
 358			} else if ((filesize != null) && (info == null)) {
 359				viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
 360			} else {
 361				viewHolder.time.setText(formatedTime);
 362			}
 363		} else {
 364			if ((filesize != null) && (info != null)) {
 365				viewHolder.time.setText(filesize + " \u00B7 " + info);
 366			} else if ((filesize == null) && (info != null)) {
 367				if (error) {
 368					viewHolder.time.setText(info + " \u00B7 " + formatedTime);
 369				} else {
 370					viewHolder.time.setText(info);
 371				}
 372			} else if ((filesize != null) && (info == null)) {
 373				viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
 374			} else {
 375				viewHolder.time.setText(formatedTime);
 376			}
 377		}
 378	}
 379
 380	private void displayInfoMessage(ViewHolder viewHolder, CharSequence text, boolean darkBackground) {
 381		viewHolder.download_button.setVisibility(View.GONE);
 382		viewHolder.audioPlayer.setVisibility(View.GONE);
 383		viewHolder.image.setVisibility(View.GONE);
 384		viewHolder.messageBody.setVisibility(View.VISIBLE);
 385		viewHolder.messageBody.setText(text);
 386		if (darkBackground) {
 387			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary_OnDark);
 388		} else {
 389			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary);
 390		}
 391		viewHolder.messageBody.setTextIsSelectable(false);
 392	}
 393
 394	private void displayEmojiMessage(final ViewHolder viewHolder, final String body, final boolean darkBackground) {
 395		viewHolder.download_button.setVisibility(View.GONE);
 396		viewHolder.audioPlayer.setVisibility(View.GONE);
 397		viewHolder.image.setVisibility(View.GONE);
 398		viewHolder.messageBody.setVisibility(View.VISIBLE);
 399		if (darkBackground) {
 400			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji_OnDark);
 401		} else {
 402			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji);
 403		}
 404		Spannable span = new SpannableString(body);
 405		float size = Emoticons.isEmoji(body) ? 3.0f : 2.0f;
 406		span.setSpan(new RelativeSizeSpan(size), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 407		viewHolder.messageBody.setText(EmojiWrapper.transform(span));
 408	}
 409
 410	private void applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
 411		if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
 412			body.insert(start++, "\n");
 413			body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 414			end++;
 415		}
 416		if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
 417			body.insert(end, "\n");
 418			body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 419		}
 420		int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
 421				: ContextCompat.getColor(activity, R.color.green700_desaturated);
 422		DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
 423		body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 424	}
 425
 426	/**
 427	 * Applies QuoteSpan to group of lines which starts with > or » characters.
 428	 * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
 429	 */
 430	private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
 431		boolean startsWithQuote = false;
 432		char previous = '\n';
 433		int lineStart = -1;
 434		int lineTextStart = -1;
 435		int quoteStart = -1;
 436		for (int i = 0; i <= body.length(); i++) {
 437			char current = body.length() > i ? body.charAt(i) : '\n';
 438			if (lineStart == -1) {
 439				if (previous == '\n') {
 440					if ((current == '>' && UIHelper.isPositionFollowedByQuoteableCharacter(body, i))
 441							|| current == '\u00bb' && !UIHelper.isPositionFollowedByQuote(body, i)) {
 442						// Line start with quote
 443						lineStart = i;
 444						if (quoteStart == -1) quoteStart = i;
 445						if (i == 0) startsWithQuote = true;
 446					} else if (quoteStart >= 0) {
 447						// Line start without quote, apply spans there
 448						applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
 449						quoteStart = -1;
 450					}
 451				}
 452			} else {
 453				// Remove extra spaces between > and first character in the line
 454				// > character will be removed too
 455				if (current != ' ' && lineTextStart == -1) {
 456					lineTextStart = i;
 457				}
 458				if (current == '\n') {
 459					body.delete(lineStart, lineTextStart);
 460					i -= lineTextStart - lineStart;
 461					if (i == lineStart) {
 462						// Avoid empty lines because span over empty line can be hidden
 463						body.insert(i++, " ");
 464					}
 465					lineStart = -1;
 466					lineTextStart = -1;
 467				}
 468			}
 469			previous = current;
 470		}
 471		if (quoteStart >= 0) {
 472			// Apply spans to finishing open quote
 473			applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
 474		}
 475		return startsWithQuote;
 476	}
 477
 478	private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
 479		viewHolder.download_button.setVisibility(View.GONE);
 480		viewHolder.image.setVisibility(View.GONE);
 481		viewHolder.audioPlayer.setVisibility(View.GONE);
 482		viewHolder.messageBody.setVisibility(View.VISIBLE);
 483
 484		if (darkBackground) {
 485			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_OnDark);
 486		} else {
 487			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1);
 488		}
 489		viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
 490				? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
 491		viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
 492
 493		if (message.getBody() != null) {
 494			final String nick = UIHelper.getMessageDisplayName(message);
 495			SpannableStringBuilder body = message.getMergedBody();
 496			boolean hasMeCommand = message.hasMeCommand();
 497			if (hasMeCommand) {
 498				body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
 499			}
 500			if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
 501				body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
 502				body.append("\u2026");
 503			}
 504			Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
 505			for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
 506				int start = body.getSpanStart(mergeSeparator);
 507				int end = body.getSpanEnd(mergeSeparator);
 508				body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 509			}
 510			boolean startsWithQuote = handleTextQuotes(body, darkBackground);
 511			if (message.getType() != Message.TYPE_PRIVATE) {
 512				if (hasMeCommand) {
 513					body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
 514							Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 515				}
 516			} else {
 517				String privateMarker;
 518				if (message.getStatus() <= Message.STATUS_RECEIVED) {
 519					privateMarker = activity.getString(R.string.private_message);
 520				} else {
 521					final String to;
 522					if (message.getCounterpart() != null) {
 523						to = message.getCounterpart().getResource();
 524					} else {
 525						to = "";
 526					}
 527					privateMarker = activity.getString(R.string.private_message_to, to);
 528				}
 529				body.insert(0, privateMarker);
 530				int privateMarkerIndex = privateMarker.length();
 531				if (startsWithQuote) {
 532					body.insert(privateMarkerIndex, "\n\n");
 533					body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
 534							Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 535				} else {
 536					body.insert(privateMarkerIndex, " ");
 537				}
 538				body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 539				body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 540				if (hasMeCommand) {
 541					body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
 542							privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 543				}
 544			}
 545			if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
 546				if (message.getConversation() instanceof Conversation) {
 547					final Conversation conversation = (Conversation) message.getConversation();
 548					Pattern pattern = NotificationService.generateNickHighlightPattern(conversation.getMucOptions().getActualNick());
 549					Matcher matcher = pattern.matcher(body);
 550					while (matcher.find()) {
 551						body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 552					}
 553				}
 554			}
 555			Matcher matcher = Emoticons.getEmojiPattern(body).matcher(body);
 556			while (matcher.find()) {
 557				if (matcher.start() < matcher.end()) {
 558					body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 559				}
 560			}
 561
 562			StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
 563			if (highlightedTerm != null) {
 564				StylingHelper.highlight(activity, body, highlightedTerm, StylingHelper.isDarkText(viewHolder.messageBody));
 565			}
 566
 567			Linkify.addLinks(body, Patterns.XMPP_PATTERN, "xmpp", XMPPURI_MATCH_FILTER, null);
 568			Linkify.addLinks(body, Patterns.AUTOLINK_WEB_URL, "http", WEBURL_MATCH_FILTER, WEBURL_TRANSFORM_FILTER);
 569			Linkify.addLinks(body, GeoHelper.GEO_URI, "geo");
 570			FixedURLSpan.fix(body);
 571			viewHolder.messageBody.setAutoLinkMask(0);
 572			viewHolder.messageBody.setText(EmojiWrapper.transform(body));
 573			viewHolder.messageBody.setTextIsSelectable(true);
 574			viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
 575			listSelectionManager.onUpdate(viewHolder.messageBody, message);
 576		} else {
 577			viewHolder.messageBody.setText("");
 578			viewHolder.messageBody.setTextIsSelectable(false);
 579		}
 580	}
 581
 582	private void displayDownloadableMessage(ViewHolder viewHolder, final Message message, String text) {
 583		viewHolder.image.setVisibility(View.GONE);
 584		viewHolder.messageBody.setVisibility(View.GONE);
 585		viewHolder.audioPlayer.setVisibility(View.GONE);
 586		viewHolder.download_button.setVisibility(View.VISIBLE);
 587		viewHolder.download_button.setText(text);
 588		viewHolder.download_button.setOnClickListener(v -> ConversationFragment.downloadFile(activity, message));
 589	}
 590
 591	private void displayOpenableMessage(ViewHolder viewHolder, final Message message) {
 592		viewHolder.image.setVisibility(View.GONE);
 593		viewHolder.messageBody.setVisibility(View.GONE);
 594		viewHolder.audioPlayer.setVisibility(View.GONE);
 595		viewHolder.download_button.setVisibility(View.VISIBLE);
 596		viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
 597		viewHolder.download_button.setOnClickListener(v -> openDownloadable(message));
 598	}
 599
 600	private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
 601		viewHolder.image.setVisibility(View.GONE);
 602		viewHolder.messageBody.setVisibility(View.GONE);
 603		viewHolder.audioPlayer.setVisibility(View.GONE);
 604		viewHolder.download_button.setVisibility(View.VISIBLE);
 605		viewHolder.download_button.setText(R.string.show_location);
 606		viewHolder.download_button.setOnClickListener(v -> showLocation(message));
 607	}
 608
 609	private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground) {
 610		viewHolder.image.setVisibility(View.GONE);
 611		viewHolder.messageBody.setVisibility(View.GONE);
 612		viewHolder.download_button.setVisibility(View.GONE);
 613		final RelativeLayout audioPlayer = viewHolder.audioPlayer;
 614		audioPlayer.setVisibility(View.VISIBLE);
 615		AudioPlayer.ViewHolder.get(audioPlayer).setDarkBackground(darkBackground);
 616		this.audioPlayer.init(audioPlayer, message);
 617	}
 618
 619	private void displayImageMessage(ViewHolder viewHolder, final Message message) {
 620		viewHolder.download_button.setVisibility(View.GONE);
 621		viewHolder.messageBody.setVisibility(View.GONE);
 622		viewHolder.audioPlayer.setVisibility(View.GONE);
 623		viewHolder.image.setVisibility(View.VISIBLE);
 624		FileParams params = message.getFileParams();
 625		double target = metrics.density * 288;
 626		int scaledW;
 627		int scaledH;
 628		if (Math.max(params.height, params.width) * metrics.density <= target) {
 629			scaledW = (int) (params.width * metrics.density);
 630			scaledH = (int) (params.height * metrics.density);
 631		} else if (Math.max(params.height, params.width) <= target) {
 632			scaledW = params.width;
 633			scaledH = params.height;
 634		} else if (params.width <= params.height) {
 635			scaledW = (int) (params.width / ((double) params.height / target));
 636			scaledH = (int) target;
 637		} else {
 638			scaledW = (int) target;
 639			scaledH = (int) (params.height / ((double) params.width / target));
 640		}
 641		LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
 642		layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
 643		viewHolder.image.setLayoutParams(layoutParams);
 644		activity.loadBitmap(message, viewHolder.image);
 645		viewHolder.image.setOnClickListener(v -> openDownloadable(message));
 646	}
 647
 648	private void loadMoreMessages(Conversation conversation) {
 649		conversation.setLastClearHistory(0, null);
 650		activity.xmppConnectionService.updateConversation(conversation);
 651		conversation.setHasMessagesLeftOnServer(true);
 652		conversation.setFirstMamReference(null);
 653		long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
 654		if (timestamp == 0) {
 655			timestamp = System.currentTimeMillis();
 656		}
 657		conversation.messagesLoaded.set(true);
 658		MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
 659		if (query != null) {
 660			Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
 661		} else {
 662			Toast.makeText(activity, R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
 663		}
 664	}
 665
 666	@Override
 667	public View getView(int position, View view, ViewGroup parent) {
 668		final Message message = getItem(position);
 669		final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
 670		final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
 671		final Conversational conversation = message.getConversation();
 672		final Account account = conversation.getAccount();
 673		final int type = getItemViewType(position);
 674		ViewHolder viewHolder;
 675		if (view == null) {
 676			viewHolder = new ViewHolder();
 677			switch (type) {
 678				case DATE_SEPARATOR:
 679					view = activity.getLayoutInflater().inflate(R.layout.message_date_bubble, parent, false);
 680					viewHolder.status_message = view.findViewById(R.id.message_body);
 681					viewHolder.message_box = view.findViewById(R.id.message_box);
 682					break;
 683				case SENT:
 684					view = activity.getLayoutInflater().inflate(R.layout.message_sent, parent, false);
 685					viewHolder.message_box = view.findViewById(R.id.message_box);
 686					viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 687					viewHolder.download_button = view.findViewById(R.id.download_button);
 688					viewHolder.indicator = view.findViewById(R.id.security_indicator);
 689					viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 690					viewHolder.image = view.findViewById(R.id.message_image);
 691					viewHolder.messageBody = view.findViewById(R.id.message_body);
 692					viewHolder.time = view.findViewById(R.id.message_time);
 693					viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 694					viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 695					break;
 696				case RECEIVED:
 697					view = activity.getLayoutInflater().inflate(R.layout.message_received, parent, false);
 698					viewHolder.message_box = view.findViewById(R.id.message_box);
 699					viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 700					viewHolder.download_button = view.findViewById(R.id.download_button);
 701					viewHolder.indicator = view.findViewById(R.id.security_indicator);
 702					viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
 703					viewHolder.image = view.findViewById(R.id.message_image);
 704					viewHolder.messageBody = view.findViewById(R.id.message_body);
 705					viewHolder.time = view.findViewById(R.id.message_time);
 706					viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
 707					viewHolder.encryption = view.findViewById(R.id.message_encryption);
 708					viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
 709					break;
 710				case STATUS:
 711					view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
 712					viewHolder.contact_picture = view.findViewById(R.id.message_photo);
 713					viewHolder.status_message = view.findViewById(R.id.status_message);
 714					viewHolder.load_more_messages = view.findViewById(R.id.load_more_messages);
 715					break;
 716				default:
 717					throw new AssertionError("Unknown view type");
 718			}
 719			if (viewHolder.messageBody != null) {
 720				listSelectionManager.onCreate(viewHolder.messageBody,
 721						new MessageBodyActionModeCallback(viewHolder.messageBody));
 722				viewHolder.messageBody.setCopyHandler(this);
 723			}
 724			view.setTag(viewHolder);
 725		} else {
 726			viewHolder = (ViewHolder) view.getTag();
 727			if (viewHolder == null) {
 728				return view;
 729			}
 730		}
 731
 732		boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
 733
 734		if (type == DATE_SEPARATOR) {
 735			if (UIHelper.today(message.getTimeSent())) {
 736				viewHolder.status_message.setText(R.string.today);
 737			} else if (UIHelper.yesterday(message.getTimeSent())) {
 738				viewHolder.status_message.setText(R.string.yesterday);
 739			} else {
 740				viewHolder.status_message.setText(DateUtils.formatDateTime(activity, message.getTimeSent(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR));
 741			}
 742			viewHolder.message_box.setBackgroundResource(activity.isDarkTheme() ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
 743			return view;
 744		} else if (type == STATUS) {
 745			if ("LOAD_MORE".equals(message.getBody())) {
 746				viewHolder.status_message.setVisibility(View.GONE);
 747				viewHolder.contact_picture.setVisibility(View.GONE);
 748				viewHolder.load_more_messages.setVisibility(View.VISIBLE);
 749				viewHolder.load_more_messages.setOnClickListener(v -> loadMoreMessages((Conversation) message.getConversation()));
 750			} else {
 751				viewHolder.status_message.setVisibility(View.VISIBLE);
 752				viewHolder.load_more_messages.setVisibility(View.GONE);
 753				viewHolder.status_message.setText(message.getBody());
 754				boolean showAvatar;
 755				if (conversation.getMode() == Conversation.MODE_SINGLE) {
 756					showAvatar = true;
 757					loadAvatar(message, viewHolder.contact_picture, activity.getPixel(32));
 758				} else if (message.getCounterpart() != null || message.getTrueCounterpart() != null || (message.getCounterparts() != null && message.getCounterparts().size() > 0)) {
 759					showAvatar = true;
 760					loadAvatar(message, viewHolder.contact_picture, activity.getPixel(32));
 761				} else {
 762					showAvatar = false;
 763				}
 764				if (showAvatar) {
 765					viewHolder.contact_picture.setAlpha(0.5f);
 766					viewHolder.contact_picture.setVisibility(View.VISIBLE);
 767				} else {
 768					viewHolder.contact_picture.setVisibility(View.GONE);
 769				}
 770			}
 771			return view;
 772		} else {
 773			loadAvatar(message, viewHolder.contact_picture, activity.getPixel(48));
 774		}
 775
 776		resetClickListener(viewHolder.message_box, viewHolder.messageBody);
 777
 778		viewHolder.contact_picture.setOnClickListener(v -> {
 779			if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
 780				MessageAdapter.this.mOnContactPictureClickedListener
 781						.onContactPictureClicked(message);
 782			}
 783
 784		});
 785		viewHolder.contact_picture.setOnLongClickListener(v -> {
 786			if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
 787				MessageAdapter.this.mOnContactPictureLongClickedListener
 788						.onContactPictureLongClicked(message);
 789				return true;
 790			} else {
 791				return false;
 792			}
 793		});
 794
 795		final Transferable transferable = message.getTransferable();
 796		if (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING) {
 797			if (transferable.getStatus() == Transferable.STATUS_OFFER) {
 798				displayDownloadableMessage(viewHolder, message, activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
 799			} else if (transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
 800				displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
 801			} else {
 802				displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first, darkBackground);
 803			}
 804		} else if (message.isFileOrImage() && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
 805			if (message.getFileParams().width > 0 && message.getFileParams().height > 0) {
 806				displayImageMessage(viewHolder, message);
 807			} else if (message.getFileParams().runtime > 0) {
 808				displayAudioMessage(viewHolder, message, darkBackground);
 809			} else {
 810				displayOpenableMessage(viewHolder, message);
 811			}
 812		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
 813			if (account.isPgpDecryptionServiceConnected()) {
 814				if (conversation instanceof Conversation && !account.hasPendingPgpIntent((Conversation) conversation)) {
 815					displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
 816				} else {
 817					displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
 818				}
 819			} else {
 820				displayInfoMessage(viewHolder, activity.getString(R.string.install_openkeychain), darkBackground);
 821				viewHolder.message_box.setOnClickListener(this::promptOpenKeychainInstall);
 822				viewHolder.messageBody.setOnClickListener(this::promptOpenKeychainInstall);
 823			}
 824		} else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
 825			displayInfoMessage(viewHolder, activity.getString(R.string.decryption_failed), darkBackground);
 826		} else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
 827			displayInfoMessage(viewHolder, activity.getString(R.string.not_encrypted_for_this_device), darkBackground);
 828		} else {
 829			if (message.isGeoUri()) {
 830				displayLocationMessage(viewHolder, message);
 831			} else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
 832				displayEmojiMessage(viewHolder, message.getBody().trim(), darkBackground);
 833			} else if (message.treatAsDownloadable()) {
 834				try {
 835					URL url = new URL(message.getBody());
 836					displayDownloadableMessage(viewHolder,
 837							message,
 838							activity.getString(R.string.check_x_filesize_on_host,
 839									UIHelper.getFileDescriptionString(activity, message),
 840									url.getHost()));
 841				} catch (Exception e) {
 842					displayDownloadableMessage(viewHolder,
 843							message,
 844							activity.getString(R.string.check_x_filesize,
 845									UIHelper.getFileDescriptionString(activity, message)));
 846				}
 847			} else {
 848				displayTextMessage(viewHolder, message, darkBackground, type);
 849			}
 850		}
 851
 852		if (type == RECEIVED) {
 853			if (isInValidSession) {
 854				int bubble;
 855				if (!mUseGreenBackground) {
 856					bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
 857				} else {
 858					bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
 859				}
 860				viewHolder.message_box.setBackgroundResource(bubble);
 861				viewHolder.encryption.setVisibility(View.GONE);
 862			} else {
 863				viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
 864				viewHolder.encryption.setVisibility(View.VISIBLE);
 865				if (omemoEncryption && !message.isTrusted()) {
 866					viewHolder.encryption.setText(R.string.not_trusted);
 867				} else {
 868					viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
 869				}
 870			}
 871		}
 872
 873		displayStatus(viewHolder, message, type, darkBackground);
 874
 875		return view;
 876	}
 877
 878	private void promptOpenKeychainInstall(View view) {
 879		activity.showInstallPgpDialog();
 880	}
 881
 882	private static void resetClickListener(View... views) {
 883		for (View view : views) {
 884			view.setOnClickListener(null);
 885		}
 886	}
 887
 888	@Override
 889	public void notifyDataSetChanged() {
 890		listSelectionManager.onBeforeNotifyDataSetChanged();
 891		super.notifyDataSetChanged();
 892		listSelectionManager.onAfterNotifyDataSetChanged();
 893	}
 894
 895	private String transformText(CharSequence text, int start, int end, boolean forCopy) {
 896		SpannableStringBuilder builder = new SpannableStringBuilder(text);
 897		Object copySpan = new Object();
 898		builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
 899		DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
 900		for (DividerSpan dividerSpan : dividerSpans) {
 901			builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
 902					dividerSpan.isLarge() ? "\n\n" : "\n");
 903		}
 904		start = builder.getSpanStart(copySpan);
 905		end = builder.getSpanEnd(copySpan);
 906		if (start == -1 || end == -1) return "";
 907		builder = new SpannableStringBuilder(builder, start, end);
 908		if (forCopy) {
 909			QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
 910			for (QuoteSpan quoteSpan : quoteSpans) {
 911				builder.insert(builder.getSpanStart(quoteSpan), "> ");
 912			}
 913		}
 914		return builder.toString();
 915	}
 916
 917	@Override
 918	public String transformTextForCopy(CharSequence text, int start, int end) {
 919		if (text instanceof Spanned) {
 920			return transformText(text, start, end, true);
 921		} else {
 922			return text.toString().substring(start, end);
 923		}
 924	}
 925
 926	public FileBackend getFileBackend() {
 927		return activity.xmppConnectionService.getFileBackend();
 928	}
 929
 930	public void stopAudioPlayer() {
 931		audioPlayer.stop();
 932	}
 933
 934	public void startStopPending() {
 935		audioPlayer.startStopPending();
 936	}
 937
 938	public void openDownloadable(Message message) {
 939		if (ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
 940			ConversationFragment.registerPendingMessage(activity, message);
 941			ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, ConversationsActivity.REQUEST_OPEN_MESSAGE);
 942			return;
 943		}
 944		DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
 945		if (!file.exists()) {
 946			Toast.makeText(activity, R.string.file_deleted, Toast.LENGTH_SHORT).show();
 947			return;
 948		}
 949		Intent openIntent = new Intent(Intent.ACTION_VIEW);
 950		String mime = file.getMimeType();
 951		if (mime == null) {
 952			mime = "*/*";
 953		}
 954		Uri uri;
 955		try {
 956			uri = FileBackend.getUriForFile(activity, file);
 957		} catch (SecurityException e) {
 958			Log.d(Config.LOGTAG, "No permission to access " + file.getAbsolutePath(), e);
 959			Toast.makeText(activity, activity.getString(R.string.no_permission_to_access_x, file.getAbsolutePath()), Toast.LENGTH_SHORT).show();
 960			return;
 961		}
 962		openIntent.setDataAndType(uri, mime);
 963		openIntent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
 964		PackageManager manager = activity.getPackageManager();
 965		List<ResolveInfo> info = manager.queryIntentActivities(openIntent, 0);
 966		if (info.size() == 0) {
 967			openIntent.setDataAndType(uri, "*/*");
 968		}
 969		try {
 970			getContext().startActivity(openIntent);
 971		} catch (ActivityNotFoundException e) {
 972			Toast.makeText(activity, R.string.no_application_found_to_open_file, Toast.LENGTH_SHORT).show();
 973		}
 974	}
 975
 976	public void showLocation(Message message) {
 977		for (Intent intent : GeoHelper.createGeoIntentsFromMessage(activity, message)) {
 978			if (intent.resolveActivity(getContext().getPackageManager()) != null) {
 979				getContext().startActivity(intent);
 980				return;
 981			}
 982		}
 983		Toast.makeText(activity, R.string.no_application_found_to_display_location, Toast.LENGTH_SHORT).show();
 984	}
 985
 986	public void updatePreferences() {
 987		SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
 988		this.mIndicateReceived = p.getBoolean("indicate_received", activity.getResources().getBoolean(R.bool.indicate_received));
 989		this.mUseGreenBackground = p.getBoolean("use_green_background", activity.getResources().getBoolean(R.bool.use_green_background));
 990	}
 991
 992	public void loadAvatar(Message message, ImageView imageView, int size) {
 993		if (cancelPotentialWork(message, imageView)) {
 994			final Bitmap bm = activity.avatarService().get(message, size, true);
 995			if (bm != null) {
 996				cancelPotentialWork(message, imageView);
 997				imageView.setImageBitmap(bm);
 998				imageView.setBackgroundColor(Color.TRANSPARENT);
 999			} else {
1000				@ColorInt int bg;
1001				if (message.getType() == Message.TYPE_STATUS && message.getCounterparts() != null && message.getCounterparts().size() > 1) {
1002					bg = Color.TRANSPARENT;
1003				} else {
1004					bg = UIHelper.getColorForName(UIHelper.getMessageDisplayName(message));
1005				}
1006				imageView.setBackgroundColor(bg);
1007				imageView.setImageDrawable(null);
1008				final BitmapWorkerTask task = new BitmapWorkerTask(imageView, size);
1009				final AsyncDrawable asyncDrawable = new AsyncDrawable(activity.getResources(), null, task);
1010				imageView.setImageDrawable(asyncDrawable);
1011				try {
1012					task.execute(message);
1013				} catch (final RejectedExecutionException ignored) {
1014				}
1015			}
1016		}
1017	}
1018
1019	public void setHighlightedTerm(List<String> terms) {
1020		this.highlightedTerm = terms == null ? null : StylingHelper.filterHighlightedWords(terms);
1021	}
1022
1023	public interface OnQuoteListener {
1024		void onQuote(String text);
1025	}
1026
1027	public interface OnContactPictureClicked {
1028		void onContactPictureClicked(Message message);
1029	}
1030
1031	public interface OnContactPictureLongClicked {
1032		void onContactPictureLongClicked(Message message);
1033	}
1034
1035	private static class ViewHolder {
1036
1037		public Button load_more_messages;
1038		public ImageView edit_indicator;
1039		public RelativeLayout audioPlayer;
1040		protected LinearLayout message_box;
1041		protected Button download_button;
1042		protected ImageView image;
1043		protected ImageView indicator;
1044		protected ImageView indicatorReceived;
1045		protected TextView time;
1046		protected CopyTextView messageBody;
1047		protected ImageView contact_picture;
1048		protected TextView status_message;
1049		protected TextView encryption;
1050	}
1051
1052	static class AsyncDrawable extends BitmapDrawable {
1053		private final WeakReference<BitmapWorkerTask> bitmapWorkerTaskReference;
1054
1055		public AsyncDrawable(Resources res, Bitmap bitmap, BitmapWorkerTask bitmapWorkerTask) {
1056			super(res, bitmap);
1057			bitmapWorkerTaskReference = new WeakReference<>(bitmapWorkerTask);
1058		}
1059
1060		public BitmapWorkerTask getBitmapWorkerTask() {
1061			return bitmapWorkerTaskReference.get();
1062		}
1063	}
1064
1065	private class MessageBodyActionModeCallback implements ActionMode.Callback {
1066
1067		private final TextView textView;
1068
1069		public MessageBodyActionModeCallback(TextView textView) {
1070			this.textView = textView;
1071		}
1072
1073		@Override
1074		public boolean onCreateActionMode(ActionMode mode, Menu menu) {
1075			if (onQuoteListener != null) {
1076				int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
1077				// 3rd item is placed after "copy" item
1078				menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
1079						.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
1080			}
1081			return false;
1082		}
1083
1084		@Override
1085		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
1086			return false;
1087		}
1088
1089		@Override
1090		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
1091			if (item.getItemId() == android.R.id.button1) {
1092				int start = textView.getSelectionStart();
1093				int end = textView.getSelectionEnd();
1094				if (end > start) {
1095					String text = transformText(textView.getText(), start, end, false);
1096					if (onQuoteListener != null) {
1097						onQuoteListener.onQuote(text);
1098					}
1099					mode.finish();
1100				}
1101				return true;
1102			}
1103			return false;
1104		}
1105
1106		@Override
1107		public void onDestroyActionMode(ActionMode mode) {
1108		}
1109	}
1110
1111	class BitmapWorkerTask extends AsyncTask<Message, Void, Bitmap> {
1112		private final WeakReference<ImageView> imageViewReference;
1113		private final int size;
1114		private Message message = null;
1115
1116		public BitmapWorkerTask(ImageView imageView, int size) {
1117			imageViewReference = new WeakReference<>(imageView);
1118			this.size = size;
1119		}
1120
1121		@Override
1122		protected Bitmap doInBackground(Message... params) {
1123			this.message = params[0];
1124			return activity.avatarService().get(this.message, size, isCancelled());
1125		}
1126
1127		@Override
1128		protected void onPostExecute(Bitmap bitmap) {
1129			if (bitmap != null && !isCancelled()) {
1130				final ImageView imageView = imageViewReference.get();
1131				if (imageView != null) {
1132					imageView.setImageBitmap(bitmap);
1133					imageView.setBackgroundColor(0x00000000);
1134				}
1135			}
1136		}
1137	}
1138}