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