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