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