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 java.net.URL;
 36import java.util.List;
 37import java.util.regex.Matcher;
 38import java.util.regex.Pattern;
 39
 40import eu.siacs.conversations.Config;
 41import eu.siacs.conversations.R;
 42import eu.siacs.conversations.crypto.axolotl.FingerprintStatus;
 43import eu.siacs.conversations.entities.Account;
 44import eu.siacs.conversations.entities.Conversation;
 45import eu.siacs.conversations.entities.Conversational;
 46import eu.siacs.conversations.entities.DownloadableFile;
 47import eu.siacs.conversations.entities.Message;
 48import eu.siacs.conversations.entities.Message.FileParams;
 49import eu.siacs.conversations.entities.Transferable;
 50import eu.siacs.conversations.http.P1S3UrlStreamHandler;
 51import eu.siacs.conversations.persistance.FileBackend;
 52import eu.siacs.conversations.services.MessageArchiveService;
 53import eu.siacs.conversations.services.NotificationService;
 54import eu.siacs.conversations.ui.ConversationFragment;
 55import eu.siacs.conversations.ui.ConversationsActivity;
 56import eu.siacs.conversations.ui.XmppActivity;
 57import eu.siacs.conversations.ui.service.AudioPlayer;
 58import eu.siacs.conversations.ui.text.DividerSpan;
 59import eu.siacs.conversations.ui.text.QuoteSpan;
 60import eu.siacs.conversations.ui.util.AvatarWorkerTask;
 61import eu.siacs.conversations.ui.util.MyLinkify;
 62import eu.siacs.conversations.ui.util.ViewUtil;
 63import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
 64import eu.siacs.conversations.ui.widget.CopyTextView;
 65import eu.siacs.conversations.ui.widget.ListSelectionManager;
 66import eu.siacs.conversations.utils.CryptoHelper;
 67import eu.siacs.conversations.utils.EmojiWrapper;
 68import eu.siacs.conversations.utils.Emoticons;
 69import eu.siacs.conversations.utils.GeoHelper;
 70import eu.siacs.conversations.utils.StylingHelper;
 71import eu.siacs.conversations.utils.UIHelper;
 72import eu.siacs.conversations.xmpp.mam.MamReference;
 73
 74public class MessageAdapter extends ArrayAdapter<Message> implements CopyTextView.CopyHandler {
 75
 76	public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
 77	private static final int SENT = 0;
 78	private static final int RECEIVED = 1;
 79	private static final int STATUS = 2;
 80	private static final int DATE_SEPARATOR = 3;
 81	private final XmppActivity activity;
 82	private final ListSelectionManager listSelectionManager = new ListSelectionManager();
 83	private final AudioPlayer audioPlayer;
 84	private List<String> highlightedTerm = null;
 85	private DisplayMetrics metrics;
 86	private OnContactPictureClicked mOnContactPictureClickedListener;
 87	private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
 88	private boolean mIndicateReceived = false;
 89	private boolean mUseGreenBackground = false;
 90	private OnQuoteListener onQuoteListener;
 91	public MessageAdapter(XmppActivity activity, List<Message> messages) {
 92		super(activity, 0, messages);
 93		this.audioPlayer = new AudioPlayer(this);
 94		this.activity = activity;
 95		metrics = getContext().getResources().getDisplayMetrics();
 96		updatePreferences();
 97	}
 98
 99
100
101	private static void resetClickListener(View... views) {
102		for (View view : views) {
103			view.setOnClickListener(null);
104		}
105	}
106
107	public void flagScreenOn() {
108		activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
109	}
110
111	public void flagScreenOff() {
112		activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
113	}
114
115	public void setOnContactPictureClicked(OnContactPictureClicked listener) {
116		this.mOnContactPictureClickedListener = listener;
117	}
118
119	public Activity getActivity() {
120		return activity;
121	}
122
123	public void setOnContactPictureLongClicked(
124			OnContactPictureLongClicked listener) {
125		this.mOnContactPictureLongClickedListener = listener;
126	}
127
128	public void setOnQuoteListener(OnQuoteListener listener) {
129		this.onQuoteListener = listener;
130	}
131
132	@Override
133	public int getViewTypeCount() {
134		return 4;
135	}
136
137	private int getItemViewType(Message message) {
138		if (message.getType() == Message.TYPE_STATUS) {
139			if (DATE_SEPARATOR_BODY.equals(message.getBody())) {
140				return DATE_SEPARATOR;
141			} else {
142				return STATUS;
143			}
144		} else if (message.getStatus() <= Message.STATUS_RECEIVED) {
145			return RECEIVED;
146		}
147
148		return SENT;
149	}
150
151	@Override
152	public int getItemViewType(int position) {
153		return this.getItemViewType(getItem(position));
154	}
155
156	private int getMessageTextColor(boolean onDark, boolean primary) {
157		if (onDark) {
158			return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
159		} else {
160			return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
161		}
162	}
163
164	private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
165		String filesize = null;
166		String info = null;
167		boolean error = false;
168		if (viewHolder.indicatorReceived != null) {
169			viewHolder.indicatorReceived.setVisibility(View.GONE);
170		}
171
172		if (viewHolder.edit_indicator != null) {
173			if (message.edited()) {
174				viewHolder.edit_indicator.setVisibility(View.VISIBLE);
175				viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
176				viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
177			} else {
178				viewHolder.edit_indicator.setVisibility(View.GONE);
179			}
180		}
181		final Transferable transferable = message.getTransferable();
182		boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
183				&& message.getMergedStatus() <= Message.STATUS_RECEIVED;
184		if (message.isFileOrImage() || transferable != null) {
185			FileParams params = message.getFileParams();
186			if (params.size > (1.5 * 1024 * 1024)) {
187				filesize = Math.round(params.size * 1f / (1024 * 1024)) + " MiB";
188			} else if (params.size >= 1024) {
189				filesize = Math.round(params.size * 1f / 1024) + " KiB";
190			} else if (params.size > 0) {
191				filesize = params.size + " B";
192			}
193			if (transferable != null && transferable.getStatus() == Transferable.STATUS_FAILED) {
194				error = true;
195			}
196		}
197		switch (message.getMergedStatus()) {
198			case Message.STATUS_WAITING:
199				info = getContext().getString(R.string.waiting);
200				break;
201			case Message.STATUS_UNSEND:
202				if (transferable != null) {
203					info = getContext().getString(R.string.sending_file, transferable.getProgress());
204				} else {
205					info = getContext().getString(R.string.sending);
206				}
207				break;
208			case Message.STATUS_OFFERED:
209				info = getContext().getString(R.string.offering);
210				break;
211			case Message.STATUS_SEND_RECEIVED:
212				if (mIndicateReceived) {
213					viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
214				}
215				break;
216			case Message.STATUS_SEND_DISPLAYED:
217				if (mIndicateReceived) {
218					viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
219				}
220				break;
221			case Message.STATUS_SEND_FAILED:
222				if (Message.ERROR_MESSAGE_CANCELLED.equals(message.getErrorMessage())) {
223					info = getContext().getString(R.string.cancelled);
224				} else {
225					info = getContext().getString(R.string.send_failed);
226				}
227				error = true;
228				break;
229			default:
230				if (multiReceived) {
231					info = UIHelper.getMessageDisplayName(message);
232				}
233				break;
234		}
235		if (error && type == SENT) {
236			viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
237		} else {
238			if (darkBackground) {
239				viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_OnDark);
240			} else {
241				viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption);
242			}
243			viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground, false));
244		}
245		if (message.getEncryption() == Message.ENCRYPTION_NONE) {
246			viewHolder.indicator.setVisibility(View.GONE);
247		} else {
248			boolean verified = false;
249			if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
250				final FingerprintStatus status = message.getConversation()
251						.getAccount().getAxolotlService().getFingerprintTrust(
252								message.getFingerprint());
253				if (status != null && status.isVerified()) {
254					verified = true;
255				}
256			}
257			if (verified) {
258				viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
259			} else {
260				viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
261			}
262			if (darkBackground) {
263				viewHolder.indicator.setAlpha(0.7f);
264			} else {
265				viewHolder.indicator.setAlpha(0.57f);
266			}
267			viewHolder.indicator.setVisibility(View.VISIBLE);
268		}
269
270		String formatedTime = UIHelper.readableTimeDifferenceFull(getContext(), message.getMergedTimeSent());
271		if (message.getStatus() <= Message.STATUS_RECEIVED) {
272			if ((filesize != null) && (info != null)) {
273				viewHolder.time.setText(formatedTime + " \u00B7 " + filesize + " \u00B7 " + info);
274			} else if ((filesize == null) && (info != null)) {
275				viewHolder.time.setText(formatedTime + " \u00B7 " + info);
276			} else if ((filesize != null) && (info == null)) {
277				viewHolder.time.setText(formatedTime + " \u00B7 " + filesize);
278			} else {
279				viewHolder.time.setText(formatedTime);
280			}
281		} else {
282			if ((filesize != null) && (info != null)) {
283				viewHolder.time.setText(filesize + " \u00B7 " + info);
284			} else if ((filesize == null) && (info != null)) {
285				if (error) {
286					viewHolder.time.setText(info + " \u00B7 " + formatedTime);
287				} else {
288					viewHolder.time.setText(info);
289				}
290			} else if ((filesize != null) && (info == null)) {
291				viewHolder.time.setText(filesize + " \u00B7 " + formatedTime);
292			} else {
293				viewHolder.time.setText(formatedTime);
294			}
295		}
296	}
297
298	private void displayInfoMessage(ViewHolder viewHolder, CharSequence text, boolean darkBackground) {
299		viewHolder.download_button.setVisibility(View.GONE);
300		viewHolder.audioPlayer.setVisibility(View.GONE);
301		viewHolder.image.setVisibility(View.GONE);
302		viewHolder.messageBody.setVisibility(View.VISIBLE);
303		viewHolder.messageBody.setText(text);
304		if (darkBackground) {
305			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary_OnDark);
306		} else {
307			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary);
308		}
309		viewHolder.messageBody.setTextIsSelectable(false);
310	}
311
312	private void displayEmojiMessage(final ViewHolder viewHolder, final String body, final boolean darkBackground) {
313		viewHolder.download_button.setVisibility(View.GONE);
314		viewHolder.audioPlayer.setVisibility(View.GONE);
315		viewHolder.image.setVisibility(View.GONE);
316		viewHolder.messageBody.setVisibility(View.VISIBLE);
317		if (darkBackground) {
318			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji_OnDark);
319		} else {
320			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji);
321		}
322		Spannable span = new SpannableString(body);
323		float size = Emoticons.isEmoji(body) ? 3.0f : 2.0f;
324		span.setSpan(new RelativeSizeSpan(size), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
325		viewHolder.messageBody.setText(EmojiWrapper.transform(span));
326	}
327
328	private void applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
329		if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
330			body.insert(start++, "\n");
331			body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
332			end++;
333		}
334		if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
335			body.insert(end, "\n");
336			body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
337		}
338		int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
339				: ContextCompat.getColor(activity, R.color.green700_desaturated);
340		DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
341		body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
342	}
343
344	/**
345	 * Applies QuoteSpan to group of lines which starts with > or » characters.
346	 * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
347	 */
348	private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
349		boolean startsWithQuote = false;
350		char previous = '\n';
351		int lineStart = -1;
352		int lineTextStart = -1;
353		int quoteStart = -1;
354		for (int i = 0; i <= body.length(); i++) {
355			char current = body.length() > i ? body.charAt(i) : '\n';
356			if (lineStart == -1) {
357				if (previous == '\n') {
358					if ((current == '>' && UIHelper.isPositionFollowedByQuoteableCharacter(body, i))
359							|| current == '\u00bb' && !UIHelper.isPositionFollowedByQuote(body, i)) {
360						// Line start with quote
361						lineStart = i;
362						if (quoteStart == -1) quoteStart = i;
363						if (i == 0) startsWithQuote = true;
364					} else if (quoteStart >= 0) {
365						// Line start without quote, apply spans there
366						applyQuoteSpan(body, quoteStart, i - 1, darkBackground);
367						quoteStart = -1;
368					}
369				}
370			} else {
371				// Remove extra spaces between > and first character in the line
372				// > character will be removed too
373				if (current != ' ' && lineTextStart == -1) {
374					lineTextStart = i;
375				}
376				if (current == '\n') {
377					body.delete(lineStart, lineTextStart);
378					i -= lineTextStart - lineStart;
379					if (i == lineStart) {
380						// Avoid empty lines because span over empty line can be hidden
381						body.insert(i++, " ");
382					}
383					lineStart = -1;
384					lineTextStart = -1;
385				}
386			}
387			previous = current;
388		}
389		if (quoteStart >= 0) {
390			// Apply spans to finishing open quote
391			applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
392		}
393		return startsWithQuote;
394	}
395
396	private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
397		viewHolder.download_button.setVisibility(View.GONE);
398		viewHolder.image.setVisibility(View.GONE);
399		viewHolder.audioPlayer.setVisibility(View.GONE);
400		viewHolder.messageBody.setVisibility(View.VISIBLE);
401
402		if (darkBackground) {
403			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_OnDark);
404		} else {
405			viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1);
406		}
407		viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
408				? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
409		viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
410
411		if (message.getBody() != null) {
412			final String nick = UIHelper.getMessageDisplayName(message);
413			SpannableStringBuilder body = message.getMergedBody();
414			boolean hasMeCommand = message.hasMeCommand();
415			if (hasMeCommand) {
416				body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
417			}
418			if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
419				body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
420				body.append("\u2026");
421			}
422			Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
423			for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
424				int start = body.getSpanStart(mergeSeparator);
425				int end = body.getSpanEnd(mergeSeparator);
426				body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
427			}
428			boolean startsWithQuote = handleTextQuotes(body, darkBackground);
429			if (message.getType() != Message.TYPE_PRIVATE) {
430				if (hasMeCommand) {
431					body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
432							Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
433				}
434			} else {
435				String privateMarker;
436				if (message.getStatus() <= Message.STATUS_RECEIVED) {
437					privateMarker = activity.getString(R.string.private_message);
438				} else {
439					final String to;
440					if (message.getCounterpart() != null) {
441						to = message.getCounterpart().getResource();
442					} else {
443						to = "";
444					}
445					privateMarker = activity.getString(R.string.private_message_to, to);
446				}
447				body.insert(0, privateMarker);
448				int privateMarkerIndex = privateMarker.length();
449				if (startsWithQuote) {
450					body.insert(privateMarkerIndex, "\n\n");
451					body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
452							Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
453				} else {
454					body.insert(privateMarkerIndex, " ");
455				}
456				body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
457				body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
458				if (hasMeCommand) {
459					body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
460							privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
461				}
462			}
463			if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
464				if (message.getConversation() instanceof Conversation) {
465					final Conversation conversation = (Conversation) message.getConversation();
466					Pattern pattern = NotificationService.generateNickHighlightPattern(conversation.getMucOptions().getActualNick());
467					Matcher matcher = pattern.matcher(body);
468					while (matcher.find()) {
469						body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
470					}
471				}
472			}
473			Matcher matcher = Emoticons.getEmojiPattern(body).matcher(body);
474			while (matcher.find()) {
475				if (matcher.start() < matcher.end()) {
476					body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
477				}
478			}
479
480			StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
481			if (highlightedTerm != null) {
482				StylingHelper.highlight(activity, body, highlightedTerm, StylingHelper.isDarkText(viewHolder.messageBody));
483			}
484			MyLinkify.addLinks(body,true);
485			viewHolder.messageBody.setAutoLinkMask(0);
486			viewHolder.messageBody.setText(EmojiWrapper.transform(body));
487			viewHolder.messageBody.setTextIsSelectable(true);
488			viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
489			listSelectionManager.onUpdate(viewHolder.messageBody, message);
490		} else {
491			viewHolder.messageBody.setText("");
492			viewHolder.messageBody.setTextIsSelectable(false);
493		}
494	}
495
496	private void displayDownloadableMessage(ViewHolder viewHolder, final Message message, String text) {
497		viewHolder.image.setVisibility(View.GONE);
498		viewHolder.messageBody.setVisibility(View.GONE);
499		viewHolder.audioPlayer.setVisibility(View.GONE);
500		viewHolder.download_button.setVisibility(View.VISIBLE);
501		viewHolder.download_button.setText(text);
502		viewHolder.download_button.setOnClickListener(v -> ConversationFragment.downloadFile(activity, message));
503	}
504
505	private void displayOpenableMessage(ViewHolder viewHolder, final Message message) {
506		viewHolder.image.setVisibility(View.GONE);
507		viewHolder.messageBody.setVisibility(View.GONE);
508		viewHolder.audioPlayer.setVisibility(View.GONE);
509		viewHolder.download_button.setVisibility(View.VISIBLE);
510		viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
511		viewHolder.download_button.setOnClickListener(v -> openDownloadable(message));
512	}
513
514	private void displayLocationMessage(ViewHolder viewHolder, final Message message) {
515		viewHolder.image.setVisibility(View.GONE);
516		viewHolder.messageBody.setVisibility(View.GONE);
517		viewHolder.audioPlayer.setVisibility(View.GONE);
518		viewHolder.download_button.setVisibility(View.VISIBLE);
519		viewHolder.download_button.setText(R.string.show_location);
520		viewHolder.download_button.setOnClickListener(v -> showLocation(message));
521	}
522
523	private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground) {
524		viewHolder.image.setVisibility(View.GONE);
525		viewHolder.messageBody.setVisibility(View.GONE);
526		viewHolder.download_button.setVisibility(View.GONE);
527		final RelativeLayout audioPlayer = viewHolder.audioPlayer;
528		audioPlayer.setVisibility(View.VISIBLE);
529		AudioPlayer.ViewHolder.get(audioPlayer).setDarkBackground(darkBackground);
530		this.audioPlayer.init(audioPlayer, message);
531	}
532
533	private void displayImageMessage(ViewHolder viewHolder, final Message message) {
534		viewHolder.download_button.setVisibility(View.GONE);
535		viewHolder.messageBody.setVisibility(View.GONE);
536		viewHolder.audioPlayer.setVisibility(View.GONE);
537		viewHolder.image.setVisibility(View.VISIBLE);
538		FileParams params = message.getFileParams();
539		double target = metrics.density * 288;
540		int scaledW;
541		int scaledH;
542		if (Math.max(params.height, params.width) * metrics.density <= target) {
543			scaledW = (int) (params.width * metrics.density);
544			scaledH = (int) (params.height * metrics.density);
545		} else if (Math.max(params.height, params.width) <= target) {
546			scaledW = params.width;
547			scaledH = params.height;
548		} else if (params.width <= params.height) {
549			scaledW = (int) (params.width / ((double) params.height / target));
550			scaledH = (int) target;
551		} else {
552			scaledW = (int) target;
553			scaledH = (int) (params.height / ((double) params.width / target));
554		}
555		LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
556		layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
557		viewHolder.image.setLayoutParams(layoutParams);
558		activity.loadBitmap(message, viewHolder.image);
559		viewHolder.image.setOnClickListener(v -> openDownloadable(message));
560	}
561
562	private void loadMoreMessages(Conversation conversation) {
563		conversation.setLastClearHistory(0, null);
564		activity.xmppConnectionService.updateConversation(conversation);
565		conversation.setHasMessagesLeftOnServer(true);
566		conversation.setFirstMamReference(null);
567		long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
568		if (timestamp == 0) {
569			timestamp = System.currentTimeMillis();
570		}
571		conversation.messagesLoaded.set(true);
572		MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
573		if (query != null) {
574			Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
575		} else {
576			Toast.makeText(activity, R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
577		}
578	}
579
580	@Override
581	public View getView(int position, View view, ViewGroup parent) {
582		final Message message = getItem(position);
583		final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
584		final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
585		final Conversational conversation = message.getConversation();
586		final Account account = conversation.getAccount();
587		final int type = getItemViewType(position);
588		ViewHolder viewHolder;
589		if (view == null) {
590			viewHolder = new ViewHolder();
591			switch (type) {
592				case DATE_SEPARATOR:
593					view = activity.getLayoutInflater().inflate(R.layout.message_date_bubble, parent, false);
594					viewHolder.status_message = view.findViewById(R.id.message_body);
595					viewHolder.message_box = view.findViewById(R.id.message_box);
596					break;
597				case SENT:
598					view = activity.getLayoutInflater().inflate(R.layout.message_sent, parent, false);
599					viewHolder.message_box = view.findViewById(R.id.message_box);
600					viewHolder.contact_picture = view.findViewById(R.id.message_photo);
601					viewHolder.download_button = view.findViewById(R.id.download_button);
602					viewHolder.indicator = view.findViewById(R.id.security_indicator);
603					viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
604					viewHolder.image = view.findViewById(R.id.message_image);
605					viewHolder.messageBody = view.findViewById(R.id.message_body);
606					viewHolder.time = view.findViewById(R.id.message_time);
607					viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
608					viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
609					break;
610				case RECEIVED:
611					view = activity.getLayoutInflater().inflate(R.layout.message_received, parent, false);
612					viewHolder.message_box = view.findViewById(R.id.message_box);
613					viewHolder.contact_picture = view.findViewById(R.id.message_photo);
614					viewHolder.download_button = view.findViewById(R.id.download_button);
615					viewHolder.indicator = view.findViewById(R.id.security_indicator);
616					viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
617					viewHolder.image = view.findViewById(R.id.message_image);
618					viewHolder.messageBody = view.findViewById(R.id.message_body);
619					viewHolder.time = view.findViewById(R.id.message_time);
620					viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
621					viewHolder.encryption = view.findViewById(R.id.message_encryption);
622					viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
623					break;
624				case STATUS:
625					view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
626					viewHolder.contact_picture = view.findViewById(R.id.message_photo);
627					viewHolder.status_message = view.findViewById(R.id.status_message);
628					viewHolder.load_more_messages = view.findViewById(R.id.load_more_messages);
629					break;
630				default:
631					throw new AssertionError("Unknown view type");
632			}
633			if (viewHolder.messageBody != null) {
634				listSelectionManager.onCreate(viewHolder.messageBody,
635						new MessageBodyActionModeCallback(viewHolder.messageBody));
636				viewHolder.messageBody.setCopyHandler(this);
637			}
638			view.setTag(viewHolder);
639		} else {
640			viewHolder = (ViewHolder) view.getTag();
641			if (viewHolder == null) {
642				return view;
643			}
644		}
645
646		boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
647
648		if (type == DATE_SEPARATOR) {
649			if (UIHelper.today(message.getTimeSent())) {
650				viewHolder.status_message.setText(R.string.today);
651			} else if (UIHelper.yesterday(message.getTimeSent())) {
652				viewHolder.status_message.setText(R.string.yesterday);
653			} else {
654				viewHolder.status_message.setText(DateUtils.formatDateTime(activity, message.getTimeSent(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR));
655			}
656			viewHolder.message_box.setBackgroundResource(activity.isDarkTheme() ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
657			return view;
658		} else if (type == STATUS) {
659			if ("LOAD_MORE".equals(message.getBody())) {
660				viewHolder.status_message.setVisibility(View.GONE);
661				viewHolder.contact_picture.setVisibility(View.GONE);
662				viewHolder.load_more_messages.setVisibility(View.VISIBLE);
663				viewHolder.load_more_messages.setOnClickListener(v -> loadMoreMessages((Conversation) message.getConversation()));
664			} else {
665				viewHolder.status_message.setVisibility(View.VISIBLE);
666				viewHolder.load_more_messages.setVisibility(View.GONE);
667				viewHolder.status_message.setText(message.getBody());
668				boolean showAvatar;
669				if (conversation.getMode() == Conversation.MODE_SINGLE) {
670					showAvatar = true;
671					AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
672				} else if (message.getCounterpart() != null || message.getTrueCounterpart() != null || (message.getCounterparts() != null && message.getCounterparts().size() > 0)) {
673					showAvatar = true;
674					AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
675				} else {
676					showAvatar = false;
677				}
678				if (showAvatar) {
679					viewHolder.contact_picture.setAlpha(0.5f);
680					viewHolder.contact_picture.setVisibility(View.VISIBLE);
681				} else {
682					viewHolder.contact_picture.setVisibility(View.GONE);
683				}
684			}
685			return view;
686		} else {
687			AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar);
688		}
689
690		resetClickListener(viewHolder.message_box, viewHolder.messageBody);
691
692		viewHolder.contact_picture.setOnClickListener(v -> {
693			if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
694				MessageAdapter.this.mOnContactPictureClickedListener
695						.onContactPictureClicked(message);
696			}
697
698		});
699		viewHolder.contact_picture.setOnLongClickListener(v -> {
700			if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
701				MessageAdapter.this.mOnContactPictureLongClickedListener
702						.onContactPictureLongClicked(v, message);
703				return true;
704			} else {
705				return false;
706			}
707		});
708
709		final Transferable transferable = message.getTransferable();
710		if (message.isDeleted() || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING)) {
711			if (transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER) {
712				displayDownloadableMessage(viewHolder, message, activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)));
713			} else if (transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
714				displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)));
715			} else {
716				displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first, darkBackground);
717			}
718		} else if (message.isFileOrImage() && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
719			if (message.getFileParams().width > 0 && message.getFileParams().height > 0) {
720				displayImageMessage(viewHolder, message);
721			} else if (message.getFileParams().runtime > 0) {
722				displayAudioMessage(viewHolder, message, darkBackground);
723			} else {
724				displayOpenableMessage(viewHolder, message);
725			}
726		} else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
727			if (account.isPgpDecryptionServiceConnected()) {
728				if (conversation instanceof Conversation && !account.hasPendingPgpIntent((Conversation) conversation)) {
729					displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
730				} else {
731					displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
732				}
733			} else {
734				displayInfoMessage(viewHolder, activity.getString(R.string.install_openkeychain), darkBackground);
735				viewHolder.message_box.setOnClickListener(this::promptOpenKeychainInstall);
736				viewHolder.messageBody.setOnClickListener(this::promptOpenKeychainInstall);
737			}
738		} else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
739			displayInfoMessage(viewHolder, activity.getString(R.string.decryption_failed), darkBackground);
740		} else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
741			displayInfoMessage(viewHolder, activity.getString(R.string.not_encrypted_for_this_device), darkBackground);
742		} else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
743			displayInfoMessage(viewHolder, activity.getString(R.string.omemo_decryption_failed), darkBackground);
744		} else {
745			if (message.isGeoUri()) {
746				displayLocationMessage(viewHolder, message);
747			} else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
748				displayEmojiMessage(viewHolder, message.getBody().trim(), darkBackground);
749			} else if (message.treatAsDownloadable()) {
750				try {
751					URL url = new URL(message.getBody());
752					if (P1S3UrlStreamHandler.PROTOCOL_NAME.equalsIgnoreCase(url.getProtocol())) {
753						displayDownloadableMessage(viewHolder,
754								message,
755								activity.getString(R.string.check_x_filesize,
756										UIHelper.getFileDescriptionString(activity, message)));
757					} else {
758						displayDownloadableMessage(viewHolder,
759								message,
760								activity.getString(R.string.check_x_filesize_on_host,
761										UIHelper.getFileDescriptionString(activity, message),
762										url.getHost()));
763					}
764				} catch (Exception e) {
765					displayDownloadableMessage(viewHolder,
766							message,
767							activity.getString(R.string.check_x_filesize,
768									UIHelper.getFileDescriptionString(activity, message)));
769				}
770			} else {
771				displayTextMessage(viewHolder, message, darkBackground, type);
772			}
773		}
774
775		if (type == RECEIVED) {
776			if (isInValidSession) {
777				int bubble;
778				if (!mUseGreenBackground) {
779					bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
780				} else {
781					bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
782				}
783				viewHolder.message_box.setBackgroundResource(bubble);
784				viewHolder.encryption.setVisibility(View.GONE);
785			} else {
786				viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
787				viewHolder.encryption.setVisibility(View.VISIBLE);
788				if (omemoEncryption && !message.isTrusted()) {
789					viewHolder.encryption.setText(R.string.not_trusted);
790				} else {
791					viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
792				}
793			}
794		}
795
796		displayStatus(viewHolder, message, type, darkBackground);
797
798		return view;
799	}
800
801	private void promptOpenKeychainInstall(View view) {
802		activity.showInstallPgpDialog();
803	}
804
805	@Override
806	public void notifyDataSetChanged() {
807		listSelectionManager.onBeforeNotifyDataSetChanged();
808		super.notifyDataSetChanged();
809		listSelectionManager.onAfterNotifyDataSetChanged();
810	}
811
812	private String transformText(CharSequence text, int start, int end, boolean forCopy) {
813		SpannableStringBuilder builder = new SpannableStringBuilder(text);
814		Object copySpan = new Object();
815		builder.setSpan(copySpan, start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
816		DividerSpan[] dividerSpans = builder.getSpans(0, builder.length(), DividerSpan.class);
817		for (DividerSpan dividerSpan : dividerSpans) {
818			builder.replace(builder.getSpanStart(dividerSpan), builder.getSpanEnd(dividerSpan),
819					dividerSpan.isLarge() ? "\n\n" : "\n");
820		}
821		start = builder.getSpanStart(copySpan);
822		end = builder.getSpanEnd(copySpan);
823		if (start == -1 || end == -1) return "";
824		builder = new SpannableStringBuilder(builder, start, end);
825		if (forCopy) {
826			QuoteSpan[] quoteSpans = builder.getSpans(0, builder.length(), QuoteSpan.class);
827			for (QuoteSpan quoteSpan : quoteSpans) {
828				builder.insert(builder.getSpanStart(quoteSpan), "> ");
829			}
830		}
831		return builder.toString();
832	}
833
834	@Override
835	public String transformTextForCopy(CharSequence text, int start, int end) {
836		if (text instanceof Spanned) {
837			return transformText(text, start, end, true);
838		} else {
839			return text.toString().substring(start, end);
840		}
841	}
842
843	public FileBackend getFileBackend() {
844		return activity.xmppConnectionService.getFileBackend();
845	}
846
847	public void stopAudioPlayer() {
848		audioPlayer.stop();
849	}
850
851	public void unregisterListenerInAudioPlayer() {
852		audioPlayer.unregisterListener();
853	}
854
855	public void startStopPending() {
856		audioPlayer.startStopPending();
857	}
858
859	public void openDownloadable(Message message) {
860		if (ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
861			ConversationFragment.registerPendingMessage(activity, message);
862			ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, ConversationsActivity.REQUEST_OPEN_MESSAGE);
863			return;
864		}
865		final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
866		ViewUtil.view(activity, file);
867	}
868
869	private void showLocation(Message message) {
870		for (Intent intent : GeoHelper.createGeoIntentsFromMessage(activity, message)) {
871			if (intent.resolveActivity(getContext().getPackageManager()) != null) {
872				getContext().startActivity(intent);
873				return;
874			}
875		}
876		Toast.makeText(activity, R.string.no_application_found_to_display_location, Toast.LENGTH_SHORT).show();
877	}
878
879	public void updatePreferences() {
880		SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
881		this.mIndicateReceived = p.getBoolean("indicate_received", activity.getResources().getBoolean(R.bool.indicate_received));
882		this.mUseGreenBackground = p.getBoolean("use_green_background", activity.getResources().getBoolean(R.bool.use_green_background));
883	}
884
885
886	public void setHighlightedTerm(List<String> terms) {
887		this.highlightedTerm = terms == null ? null : StylingHelper.filterHighlightedWords(terms);
888	}
889
890	public interface OnQuoteListener {
891		void onQuote(String text);
892	}
893
894	public interface OnContactPictureClicked {
895		void onContactPictureClicked(Message message);
896	}
897
898	public interface OnContactPictureLongClicked {
899		void onContactPictureLongClicked(View v, Message message);
900	}
901
902	private static class ViewHolder {
903
904		public Button load_more_messages;
905		public ImageView edit_indicator;
906		public RelativeLayout audioPlayer;
907		protected LinearLayout message_box;
908		protected Button download_button;
909		protected ImageView image;
910		protected ImageView indicator;
911		protected ImageView indicatorReceived;
912		protected TextView time;
913		protected CopyTextView messageBody;
914		protected ImageView contact_picture;
915		protected TextView status_message;
916		protected TextView encryption;
917	}
918
919
920	private class MessageBodyActionModeCallback implements ActionMode.Callback {
921
922		private final TextView textView;
923
924		public MessageBodyActionModeCallback(TextView textView) {
925			this.textView = textView;
926		}
927
928		@Override
929		public boolean onCreateActionMode(ActionMode mode, Menu menu) {
930			if (onQuoteListener != null) {
931				int quoteResId = activity.getThemeResource(R.attr.icon_quote, R.drawable.ic_action_reply);
932				// 3rd item is placed after "copy" item
933				menu.add(0, android.R.id.button1, 3, R.string.quote).setIcon(quoteResId)
934						.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
935			}
936			return false;
937		}
938
939		@Override
940		public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
941			return false;
942		}
943
944		@Override
945		public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
946			if (item.getItemId() == android.R.id.button1) {
947				int start = textView.getSelectionStart();
948				int end = textView.getSelectionEnd();
949				if (end > start) {
950					String text = transformText(textView.getText(), start, end, false);
951					if (onQuoteListener != null) {
952						onQuoteListener.onQuote(text);
953					}
954					mode.finish();
955				}
956				return true;
957			}
958			return false;
959		}
960
961		@Override
962		public void onDestroyActionMode(ActionMode mode) {
963		}
964	}
965}