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