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.text.Spannable;
 11import android.text.SpannableString;
 12import android.text.SpannableStringBuilder;
 13import android.text.format.DateUtils;
 14import android.text.style.ForegroundColorSpan;
 15import android.text.style.RelativeSizeSpan;
 16import android.text.style.StyleSpan;
 17import android.util.DisplayMetrics;
 18import android.view.View;
 19import android.view.ViewGroup;
 20import android.view.WindowManager;
 21import android.widget.ArrayAdapter;
 22import android.widget.Button;
 23import android.widget.ImageView;
 24import android.widget.LinearLayout;
 25import android.widget.RelativeLayout;
 26import android.widget.TextView;
 27import android.widget.Toast;
 28
 29import androidx.core.app.ActivityCompat;
 30import androidx.core.content.ContextCompat;
 31
 32import com.google.common.base.Strings;
 33
 34import java.net.URI;
 35import java.util.List;
 36import java.util.Locale;
 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.RtpSessionStatus;
 50import eu.siacs.conversations.entities.Transferable;
 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.QuoteHelper;
 63import eu.siacs.conversations.ui.util.ViewUtil;
 64import eu.siacs.conversations.ui.widget.ClickableMovementMethod;
 65import eu.siacs.conversations.utils.CryptoHelper;
 66import eu.siacs.conversations.utils.EmojiWrapper;
 67import eu.siacs.conversations.utils.Emoticons;
 68import eu.siacs.conversations.utils.GeoHelper;
 69import eu.siacs.conversations.utils.MessageUtils;
 70import eu.siacs.conversations.utils.StylingHelper;
 71import eu.siacs.conversations.utils.TimeFrameUtils;
 72import eu.siacs.conversations.utils.UIHelper;
 73import eu.siacs.conversations.xmpp.Jid;
 74import eu.siacs.conversations.xmpp.mam.MamReference;
 75
 76public class MessageAdapter extends ArrayAdapter<Message> {
 77
 78    public static final String DATE_SEPARATOR_BODY = "DATE_SEPARATOR";
 79    private static final int SENT = 0;
 80    private static final int RECEIVED = 1;
 81    private static final int STATUS = 2;
 82    private static final int DATE_SEPARATOR = 3;
 83    private static final int RTP_SESSION = 4;
 84    private final XmppActivity activity;
 85    private final AudioPlayer audioPlayer;
 86    private List<String> highlightedTerm = null;
 87    private final DisplayMetrics metrics;
 88    private OnContactPictureClicked mOnContactPictureClickedListener;
 89    private OnContactPictureLongClicked mOnContactPictureLongClickedListener;
 90    private boolean mUseGreenBackground = false;
 91
 92    public MessageAdapter(XmppActivity activity, List<Message> messages) {
 93        super(activity, 0, messages);
 94        this.audioPlayer = new AudioPlayer(this);
 95        this.activity = activity;
 96        metrics = getContext().getResources().getDisplayMetrics();
 97        updatePreferences();
 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 setVolumeControl(final int stream) {
116        activity.setVolumeControlStream(stream);
117    }
118
119    public void setOnContactPictureClicked(OnContactPictureClicked listener) {
120        this.mOnContactPictureClickedListener = listener;
121    }
122
123    public Activity getActivity() {
124        return activity;
125    }
126
127    public void setOnContactPictureLongClicked(
128            OnContactPictureLongClicked listener) {
129        this.mOnContactPictureLongClickedListener = listener;
130    }
131
132    @Override
133    public int getViewTypeCount() {
134        return 5;
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.getType() == Message.TYPE_RTP_SESSION) {
145            return RTP_SESSION;
146        } else if (message.getStatus() <= Message.STATUS_RECEIVED) {
147            return RECEIVED;
148        } else {
149            return SENT;
150        }
151    }
152
153    @Override
154    public int getItemViewType(int position) {
155        return this.getItemViewType(getItem(position));
156    }
157
158    private int getMessageTextColor(boolean onDark, boolean primary) {
159        if (onDark) {
160            return ContextCompat.getColor(activity, primary ? R.color.white : R.color.white70);
161        } else {
162            return ContextCompat.getColor(activity, primary ? R.color.black87 : R.color.black54);
163        }
164    }
165
166    private void displayStatus(ViewHolder viewHolder, Message message, int type, boolean darkBackground) {
167        String filesize = null;
168        String info = null;
169        boolean error = false;
170        if (viewHolder.indicatorReceived != null) {
171            viewHolder.indicatorReceived.setVisibility(View.GONE);
172        }
173
174        if (viewHolder.edit_indicator != null) {
175            if (message.edited()) {
176                viewHolder.edit_indicator.setVisibility(View.VISIBLE);
177                viewHolder.edit_indicator.setImageResource(darkBackground ? R.drawable.ic_mode_edit_white_18dp : R.drawable.ic_mode_edit_black_18dp);
178                viewHolder.edit_indicator.setAlpha(darkBackground ? 0.7f : 0.57f);
179            } else {
180                viewHolder.edit_indicator.setVisibility(View.GONE);
181            }
182        }
183        final Transferable transferable = message.getTransferable();
184        boolean multiReceived = message.getConversation().getMode() == Conversation.MODE_MULTI
185                && message.getMergedStatus() <= Message.STATUS_RECEIVED;
186        if (message.isFileOrImage() || transferable != null || MessageUtils.unInitiatedButKnownSize(message)) {
187            FileParams params = message.getFileParams();
188            filesize = params.size != null ? UIHelper.filesizeToString(params.size) : null;
189            if (transferable != null && (transferable.getStatus() == Transferable.STATUS_FAILED || transferable.getStatus() == Transferable.STATUS_CANCELLED)) {
190                error = true;
191            }
192        }
193        switch (message.getMergedStatus()) {
194            case Message.STATUS_WAITING:
195                info = getContext().getString(R.string.waiting);
196                break;
197            case Message.STATUS_UNSEND:
198                if (transferable != null) {
199                    info = getContext().getString(R.string.sending_file, transferable.getProgress());
200                } else {
201                    info = getContext().getString(R.string.sending);
202                }
203                break;
204            case Message.STATUS_OFFERED:
205                info = getContext().getString(R.string.offering);
206                break;
207            case Message.STATUS_SEND_RECEIVED:
208            case Message.STATUS_SEND_DISPLAYED:
209                viewHolder.indicatorReceived.setImageResource(darkBackground ? R.drawable.ic_done_white_18dp : R.drawable.ic_done_black_18dp);
210                viewHolder.indicatorReceived.setAlpha(darkBackground ? 0.7f : 0.57f);
211                viewHolder.indicatorReceived.setVisibility(View.VISIBLE);
212                break;
213            case Message.STATUS_SEND_FAILED:
214                final String errorMessage = message.getErrorMessage();
215                if (Message.ERROR_MESSAGE_CANCELLED.equals(errorMessage)) {
216                    info = getContext().getString(R.string.cancelled);
217                } else if (errorMessage != null) {
218                    final String[] errorParts = errorMessage.split("\\u001f", 2);
219                    if (errorParts.length == 2) {
220                        switch (errorParts[0]) {
221                            case "file-too-large":
222                                info = getContext().getString(R.string.file_too_large);
223                                break;
224                            default:
225                                info = getContext().getString(R.string.send_failed);
226                                break;
227                        }
228                    } else {
229                        info = getContext().getString(R.string.send_failed);
230                    }
231                } else {
232                    info = getContext().getString(R.string.send_failed);
233                }
234                error = true;
235                break;
236            default:
237                if (multiReceived) {
238                    info = UIHelper.getMessageDisplayName(message);
239                }
240                break;
241        }
242        if (error && type == SENT) {
243            if (darkBackground) {
244                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning_OnDark);
245            } else {
246                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_Warning);
247            }
248        } else {
249            if (darkBackground) {
250                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption_OnDark);
251            } else {
252                viewHolder.time.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Caption);
253            }
254            viewHolder.time.setTextColor(this.getMessageTextColor(darkBackground, false));
255        }
256        if (message.getEncryption() == Message.ENCRYPTION_NONE) {
257            viewHolder.indicator.setVisibility(View.GONE);
258        } else {
259            boolean verified = false;
260            if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL) {
261                final FingerprintStatus status = message.getConversation()
262                        .getAccount().getAxolotlService().getFingerprintTrust(
263                                message.getFingerprint());
264                if (status != null && status.isVerified()) {
265                    verified = true;
266                }
267            }
268            if (verified) {
269                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_verified_user_white_18dp : R.drawable.ic_verified_user_black_18dp);
270            } else {
271                viewHolder.indicator.setImageResource(darkBackground ? R.drawable.ic_lock_white_18dp : R.drawable.ic_lock_black_18dp);
272            }
273            if (darkBackground) {
274                viewHolder.indicator.setAlpha(0.7f);
275            } else {
276                viewHolder.indicator.setAlpha(0.57f);
277            }
278            viewHolder.indicator.setVisibility(View.VISIBLE);
279        }
280
281        final String formattedTime = UIHelper.readableTimeDifferenceFull(getContext(), message.getMergedTimeSent());
282        final String bodyLanguage = message.getBodyLanguage();
283        final String bodyLanguageInfo = bodyLanguage == null ? "" : String.format(" \u00B7 %s", bodyLanguage.toUpperCase(Locale.US));
284        if (message.getStatus() <= Message.STATUS_RECEIVED) {
285            if ((filesize != null) && (info != null)) {
286                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + " \u00B7 " + info + bodyLanguageInfo);
287            } else if ((filesize == null) && (info != null)) {
288                viewHolder.time.setText(formattedTime + " \u00B7 " + info + bodyLanguageInfo);
289            } else if ((filesize != null) && (info == null)) {
290                viewHolder.time.setText(formattedTime + " \u00B7 " + filesize + bodyLanguageInfo);
291            } else {
292                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
293            }
294        } else {
295            if ((filesize != null) && (info != null)) {
296                viewHolder.time.setText(filesize + " \u00B7 " + info + bodyLanguageInfo);
297            } else if ((filesize == null) && (info != null)) {
298                if (error) {
299                    viewHolder.time.setText(info + " \u00B7 " + formattedTime + bodyLanguageInfo);
300                } else {
301                    viewHolder.time.setText(info);
302                }
303            } else if ((filesize != null) && (info == null)) {
304                viewHolder.time.setText(filesize + " \u00B7 " + formattedTime + bodyLanguageInfo);
305            } else {
306                viewHolder.time.setText(formattedTime + bodyLanguageInfo);
307            }
308        }
309    }
310
311    private void displayInfoMessage(ViewHolder viewHolder, CharSequence text, boolean darkBackground) {
312        viewHolder.download_button.setVisibility(View.GONE);
313        viewHolder.audioPlayer.setVisibility(View.GONE);
314        viewHolder.image.setVisibility(View.GONE);
315        viewHolder.messageBody.setVisibility(View.VISIBLE);
316        viewHolder.messageBody.setText(text);
317        if (darkBackground) {
318            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary_OnDark);
319        } else {
320            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Secondary);
321        }
322        viewHolder.messageBody.setTextIsSelectable(false);
323    }
324
325    private void displayEmojiMessage(final ViewHolder viewHolder, final String body, final boolean darkBackground) {
326        viewHolder.download_button.setVisibility(View.GONE);
327        viewHolder.audioPlayer.setVisibility(View.GONE);
328        viewHolder.image.setVisibility(View.GONE);
329        viewHolder.messageBody.setVisibility(View.VISIBLE);
330        if (darkBackground) {
331            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji_OnDark);
332        } else {
333            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_Emoji);
334        }
335        Spannable span = new SpannableString(body);
336        float size = Emoticons.isEmoji(body) ? 3.0f : 2.0f;
337        span.setSpan(new RelativeSizeSpan(size), 0, body.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
338        viewHolder.messageBody.setText(EmojiWrapper.transform(span));
339    }
340
341    private void applyQuoteSpan(SpannableStringBuilder body, int start, int end, boolean darkBackground) {
342        if (start > 1 && !"\n\n".equals(body.subSequence(start - 2, start).toString())) {
343            body.insert(start++, "\n");
344            body.setSpan(new DividerSpan(false), start - 2, start, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
345            end++;
346        }
347        if (end < body.length() - 1 && !"\n\n".equals(body.subSequence(end, end + 2).toString())) {
348            body.insert(end, "\n");
349            body.setSpan(new DividerSpan(false), end, end + 2, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
350        }
351        int color = darkBackground ? this.getMessageTextColor(darkBackground, false)
352                : ContextCompat.getColor(activity, R.color.green700_desaturated);
353        DisplayMetrics metrics = getContext().getResources().getDisplayMetrics();
354        body.setSpan(new QuoteSpan(color, metrics), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
355    }
356
357    /**
358     * Applies QuoteSpan to group of lines which starts with > or » characters.
359     * Appends likebreaks and applies DividerSpan to them to show a padding between quote and text.
360     */
361    private boolean handleTextQuotes(SpannableStringBuilder body, boolean darkBackground) {
362        boolean startsWithQuote = false;
363        int quoteDepth = 1;
364        while (QuoteHelper.bodyContainsQuoteStart(body) && quoteDepth <= Config.QUOTE_MAX_DEPTH) {
365            char previous = '\n';
366            int lineStart = -1;
367            int lineTextStart = -1;
368            int quoteStart = -1;
369            for (int i = 0; i <= body.length(); i++) {
370                char current = body.length() > i ? body.charAt(i) : '\n';
371                if (lineStart == -1) {
372                    if (previous == '\n') {
373                        if (
374                                QuoteHelper.isPositionQuoteStart(body, i)
375                        ) {
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                            quoteDepth++;
385                        }
386                    }
387                } else {
388                    // Remove extra spaces between > and first character in the line
389                    // > character will be removed too
390                    if (current != ' ' && lineTextStart == -1) {
391                        lineTextStart = i;
392                    }
393                    if (current == '\n') {
394                        body.delete(lineStart, lineTextStart);
395                        i -= lineTextStart - lineStart;
396                        if (i == lineStart) {
397                            // Avoid empty lines because span over empty line can be hidden
398                            body.insert(i++, " ");
399                        }
400                        lineStart = -1;
401                        lineTextStart = -1;
402                    }
403                }
404                previous = current;
405            }
406            if (quoteStart >= 0) {
407                // Apply spans to finishing open quote
408                applyQuoteSpan(body, quoteStart, body.length(), darkBackground);
409                quoteDepth++;
410            }
411        }
412        return startsWithQuote;
413    }
414
415    private void displayTextMessage(final ViewHolder viewHolder, final Message message, boolean darkBackground, int type) {
416        viewHolder.download_button.setVisibility(View.GONE);
417        viewHolder.image.setVisibility(View.GONE);
418        viewHolder.audioPlayer.setVisibility(View.GONE);
419        viewHolder.messageBody.setVisibility(View.VISIBLE);
420
421        if (darkBackground) {
422            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1_OnDark);
423        } else {
424            viewHolder.messageBody.setTextAppearance(getContext(), R.style.TextAppearance_Conversations_Body1);
425        }
426        viewHolder.messageBody.setHighlightColor(ContextCompat.getColor(activity, darkBackground
427                ? (type == SENT || !mUseGreenBackground ? R.color.black26 : R.color.grey800) : R.color.grey500));
428        viewHolder.messageBody.setTypeface(null, Typeface.NORMAL);
429
430        if (message.getBody() != null) {
431            final String nick = UIHelper.getMessageDisplayName(message);
432            SpannableStringBuilder body = message.getMergedBody();
433            boolean hasMeCommand = message.hasMeCommand();
434            if (hasMeCommand) {
435                body = body.replace(0, Message.ME_COMMAND.length(), nick + " ");
436            }
437            if (body.length() > Config.MAX_DISPLAY_MESSAGE_CHARS) {
438                body = new SpannableStringBuilder(body, 0, Config.MAX_DISPLAY_MESSAGE_CHARS);
439                body.append("\u2026");
440            }
441            Message.MergeSeparator[] mergeSeparators = body.getSpans(0, body.length(), Message.MergeSeparator.class);
442            for (Message.MergeSeparator mergeSeparator : mergeSeparators) {
443                int start = body.getSpanStart(mergeSeparator);
444                int end = body.getSpanEnd(mergeSeparator);
445                body.setSpan(new DividerSpan(true), start, end, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
446            }
447            boolean startsWithQuote = handleTextQuotes(body, darkBackground);
448            if (!message.isPrivateMessage()) {
449                if (hasMeCommand) {
450                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), 0, nick.length(),
451                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
452                }
453            } else {
454                String privateMarker;
455                if (message.getStatus() <= Message.STATUS_RECEIVED) {
456                    privateMarker = activity.getString(R.string.private_message);
457                } else {
458                    Jid cp = message.getCounterpart();
459                    privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
460                }
461                body.insert(0, privateMarker);
462                int privateMarkerIndex = privateMarker.length();
463                if (startsWithQuote) {
464                    body.insert(privateMarkerIndex, "\n\n");
465                    body.setSpan(new DividerSpan(false), privateMarkerIndex, privateMarkerIndex + 2,
466                            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
467                } else {
468                    body.insert(privateMarkerIndex, " ");
469                }
470                body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
471                body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarkerIndex, Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
472                if (hasMeCommand) {
473                    body.setSpan(new StyleSpan(Typeface.BOLD_ITALIC), privateMarkerIndex + 1,
474                            privateMarkerIndex + 1 + nick.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
475                }
476            }
477            if (message.getConversation().getMode() == Conversation.MODE_MULTI && message.getStatus() == Message.STATUS_RECEIVED) {
478                if (message.getConversation() instanceof Conversation) {
479                    final Conversation conversation = (Conversation) message.getConversation();
480                    Pattern pattern = NotificationService.generateNickHighlightPattern(conversation.getMucOptions().getActualNick());
481                    Matcher matcher = pattern.matcher(body);
482                    while (matcher.find()) {
483                        body.setSpan(new StyleSpan(Typeface.BOLD), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
484                    }
485                }
486            }
487            Matcher matcher = Emoticons.getEmojiPattern(body).matcher(body);
488            while (matcher.find()) {
489                if (matcher.start() < matcher.end()) {
490                    body.setSpan(new RelativeSizeSpan(1.2f), matcher.start(), matcher.end(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
491                }
492            }
493
494            StylingHelper.format(body, viewHolder.messageBody.getCurrentTextColor());
495            if (highlightedTerm != null) {
496                StylingHelper.highlight(activity, body, highlightedTerm, StylingHelper.isDarkText(viewHolder.messageBody));
497            }
498            MyLinkify.addLinks(body, true);
499            viewHolder.messageBody.setAutoLinkMask(0);
500            viewHolder.messageBody.setText(EmojiWrapper.transform(body));
501            viewHolder.messageBody.setMovementMethod(ClickableMovementMethod.getInstance());
502        } else {
503            viewHolder.messageBody.setText("");
504            viewHolder.messageBody.setTextIsSelectable(false);
505        }
506    }
507
508    private void displayDownloadableMessage(ViewHolder viewHolder, final Message message, String text, final boolean darkBackground) {
509        toggleWhisperInfo(viewHolder, message, darkBackground);
510        viewHolder.image.setVisibility(View.GONE);
511        viewHolder.audioPlayer.setVisibility(View.GONE);
512        viewHolder.download_button.setVisibility(View.VISIBLE);
513        viewHolder.download_button.setText(text);
514        viewHolder.download_button.setOnClickListener(v -> ConversationFragment.downloadFile(activity, message));
515    }
516
517    private void displayOpenableMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
518        toggleWhisperInfo(viewHolder, message, darkBackground);
519        viewHolder.image.setVisibility(View.GONE);
520        viewHolder.audioPlayer.setVisibility(View.GONE);
521        viewHolder.download_button.setVisibility(View.VISIBLE);
522        viewHolder.download_button.setText(activity.getString(R.string.open_x_file, UIHelper.getFileDescriptionString(activity, message)));
523        viewHolder.download_button.setOnClickListener(v -> openDownloadable(message));
524    }
525
526    private void displayLocationMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
527        toggleWhisperInfo(viewHolder, message, darkBackground);
528        viewHolder.image.setVisibility(View.GONE);
529        viewHolder.audioPlayer.setVisibility(View.GONE);
530        viewHolder.download_button.setVisibility(View.VISIBLE);
531        viewHolder.download_button.setText(R.string.show_location);
532        viewHolder.download_button.setOnClickListener(v -> showLocation(message));
533    }
534
535    private void displayAudioMessage(ViewHolder viewHolder, Message message, boolean darkBackground) {
536        toggleWhisperInfo(viewHolder, message, darkBackground);
537        viewHolder.image.setVisibility(View.GONE);
538        viewHolder.download_button.setVisibility(View.GONE);
539        final RelativeLayout audioPlayer = viewHolder.audioPlayer;
540        audioPlayer.setVisibility(View.VISIBLE);
541        AudioPlayer.ViewHolder.get(audioPlayer).setDarkBackground(darkBackground);
542        this.audioPlayer.init(audioPlayer, message);
543    }
544
545    private void displayMediaPreviewMessage(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
546        toggleWhisperInfo(viewHolder, message, darkBackground);
547        viewHolder.download_button.setVisibility(View.GONE);
548        viewHolder.audioPlayer.setVisibility(View.GONE);
549        viewHolder.image.setVisibility(View.VISIBLE);
550        final FileParams params = message.getFileParams();
551        final float target = activity.getResources().getDimension(R.dimen.image_preview_width);
552        final int scaledW;
553        final int scaledH;
554        if (Math.max(params.height, params.width) * metrics.density <= target) {
555            scaledW = (int) (params.width * metrics.density);
556            scaledH = (int) (params.height * metrics.density);
557        } else if (Math.max(params.height, params.width) <= target) {
558            scaledW = params.width;
559            scaledH = params.height;
560        } else if (params.width <= params.height) {
561            scaledW = (int) (params.width / ((double) params.height / target));
562            scaledH = (int) target;
563        } else {
564            scaledW = (int) target;
565            scaledH = (int) (params.height / ((double) params.width / target));
566        }
567        final LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(scaledW, scaledH);
568        layoutParams.setMargins(0, (int) (metrics.density * 4), 0, (int) (metrics.density * 4));
569        viewHolder.image.setLayoutParams(layoutParams);
570        activity.loadBitmap(message, viewHolder.image);
571        viewHolder.image.setOnClickListener(v -> openDownloadable(message));
572    }
573
574    private void toggleWhisperInfo(ViewHolder viewHolder, final Message message, final boolean darkBackground) {
575        if (message.isPrivateMessage()) {
576            final String privateMarker;
577            if (message.getStatus() <= Message.STATUS_RECEIVED) {
578                privateMarker = activity.getString(R.string.private_message);
579            } else {
580                Jid cp = message.getCounterpart();
581                privateMarker = activity.getString(R.string.private_message_to, Strings.nullToEmpty(cp == null ? null : cp.getResource()));
582            }
583            final SpannableString body = new SpannableString(privateMarker);
584            body.setSpan(new ForegroundColorSpan(getMessageTextColor(darkBackground, false)), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
585            body.setSpan(new StyleSpan(Typeface.BOLD), 0, privateMarker.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
586            viewHolder.messageBody.setText(body);
587            viewHolder.messageBody.setVisibility(View.VISIBLE);
588        } else {
589            viewHolder.messageBody.setVisibility(View.GONE);
590        }
591    }
592
593    private void loadMoreMessages(Conversation conversation) {
594        conversation.setLastClearHistory(0, null);
595        activity.xmppConnectionService.updateConversation(conversation);
596        conversation.setHasMessagesLeftOnServer(true);
597        conversation.setFirstMamReference(null);
598        long timestamp = conversation.getLastMessageTransmitted().getTimestamp();
599        if (timestamp == 0) {
600            timestamp = System.currentTimeMillis();
601        }
602        conversation.messagesLoaded.set(true);
603        MessageArchiveService.Query query = activity.xmppConnectionService.getMessageArchiveService().query(conversation, new MamReference(0), timestamp, false);
604        if (query != null) {
605            Toast.makeText(activity, R.string.fetching_history_from_server, Toast.LENGTH_LONG).show();
606        } else {
607            Toast.makeText(activity, R.string.not_fetching_history_retention_period, Toast.LENGTH_SHORT).show();
608        }
609    }
610
611    @Override
612    public View getView(int position, View view, ViewGroup parent) {
613        final Message message = getItem(position);
614        final boolean omemoEncryption = message.getEncryption() == Message.ENCRYPTION_AXOLOTL;
615        final boolean isInValidSession = message.isValidInSession() && (!omemoEncryption || message.isTrusted());
616        final Conversational conversation = message.getConversation();
617        final Account account = conversation.getAccount();
618        final int type = getItemViewType(position);
619        ViewHolder viewHolder;
620        if (view == null) {
621            viewHolder = new ViewHolder();
622            switch (type) {
623                case DATE_SEPARATOR:
624                    view = activity.getLayoutInflater().inflate(R.layout.message_date_bubble, parent, false);
625                    viewHolder.status_message = view.findViewById(R.id.message_body);
626                    viewHolder.message_box = view.findViewById(R.id.message_box);
627                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
628                    break;
629                case RTP_SESSION:
630                    view = activity.getLayoutInflater().inflate(R.layout.message_rtp_session, parent, false);
631                    viewHolder.status_message = view.findViewById(R.id.message_body);
632                    viewHolder.message_box = view.findViewById(R.id.message_box);
633                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
634                    break;
635                case SENT:
636                    view = activity.getLayoutInflater().inflate(R.layout.message_sent, parent, false);
637                    viewHolder.message_box = view.findViewById(R.id.message_box);
638                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
639                    viewHolder.download_button = view.findViewById(R.id.download_button);
640                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
641                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
642                    viewHolder.image = view.findViewById(R.id.message_image);
643                    viewHolder.messageBody = view.findViewById(R.id.message_body);
644                    viewHolder.time = view.findViewById(R.id.message_time);
645                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
646                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
647                    break;
648                case RECEIVED:
649                    view = activity.getLayoutInflater().inflate(R.layout.message_received, parent, false);
650                    viewHolder.message_box = view.findViewById(R.id.message_box);
651                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
652                    viewHolder.download_button = view.findViewById(R.id.download_button);
653                    viewHolder.indicator = view.findViewById(R.id.security_indicator);
654                    viewHolder.edit_indicator = view.findViewById(R.id.edit_indicator);
655                    viewHolder.image = view.findViewById(R.id.message_image);
656                    viewHolder.messageBody = view.findViewById(R.id.message_body);
657                    viewHolder.time = view.findViewById(R.id.message_time);
658                    viewHolder.indicatorReceived = view.findViewById(R.id.indicator_received);
659                    viewHolder.encryption = view.findViewById(R.id.message_encryption);
660                    viewHolder.audioPlayer = view.findViewById(R.id.audio_player);
661                    break;
662                case STATUS:
663                    view = activity.getLayoutInflater().inflate(R.layout.message_status, parent, false);
664                    viewHolder.contact_picture = view.findViewById(R.id.message_photo);
665                    viewHolder.status_message = view.findViewById(R.id.status_message);
666                    viewHolder.load_more_messages = view.findViewById(R.id.load_more_messages);
667                    break;
668                default:
669                    throw new AssertionError("Unknown view type");
670            }
671            view.setTag(viewHolder);
672        } else {
673            viewHolder = (ViewHolder) view.getTag();
674            if (viewHolder == null) {
675                return view;
676            }
677        }
678
679        boolean darkBackground = type == RECEIVED && (!isInValidSession || mUseGreenBackground) || activity.isDarkTheme();
680
681        if (type == DATE_SEPARATOR) {
682            if (UIHelper.today(message.getTimeSent())) {
683                viewHolder.status_message.setText(R.string.today);
684            } else if (UIHelper.yesterday(message.getTimeSent())) {
685                viewHolder.status_message.setText(R.string.yesterday);
686            } else {
687                viewHolder.status_message.setText(DateUtils.formatDateTime(activity, message.getTimeSent(), DateUtils.FORMAT_SHOW_DATE | DateUtils.FORMAT_SHOW_YEAR));
688            }
689            viewHolder.message_box.setBackgroundResource(activity.isDarkTheme() ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
690            return view;
691        } else if (type == RTP_SESSION) {
692            final boolean isDarkTheme = activity.isDarkTheme();
693            final boolean received = message.getStatus() <= Message.STATUS_RECEIVED;
694            final RtpSessionStatus rtpSessionStatus = RtpSessionStatus.of(message.getBody());
695            final long duration = rtpSessionStatus.duration;
696            if (received) {
697                if (duration > 0) {
698                    viewHolder.status_message.setText(activity.getString(R.string.incoming_call_duration, TimeFrameUtils.resolve(activity, duration)));
699                } else if (rtpSessionStatus.successful) {
700                    viewHolder.status_message.setText(R.string.incoming_call);
701                } else {
702                    viewHolder.status_message.setText(activity.getString(R.string.missed_call_timestamp, UIHelper.readableTimeDifferenceFull(activity, message.getTimeSent())));
703                }
704            } else {
705                if (duration > 0) {
706                    viewHolder.status_message.setText(activity.getString(R.string.outgoing_call_duration, TimeFrameUtils.resolve(activity, duration)));
707                } else {
708                    viewHolder.status_message.setText(R.string.outgoing_call);
709                }
710            }
711            viewHolder.indicatorReceived.setImageResource(RtpSessionStatus.getDrawable(received, rtpSessionStatus.successful, isDarkTheme));
712            viewHolder.indicatorReceived.setAlpha(isDarkTheme ? 0.7f : 0.57f);
713            viewHolder.message_box.setBackgroundResource(isDarkTheme ? R.drawable.date_bubble_grey : R.drawable.date_bubble_white);
714            return view;
715        } else if (type == STATUS) {
716            if ("LOAD_MORE".equals(message.getBody())) {
717                viewHolder.status_message.setVisibility(View.GONE);
718                viewHolder.contact_picture.setVisibility(View.GONE);
719                viewHolder.load_more_messages.setVisibility(View.VISIBLE);
720                viewHolder.load_more_messages.setOnClickListener(v -> loadMoreMessages((Conversation) message.getConversation()));
721            } else {
722                viewHolder.status_message.setVisibility(View.VISIBLE);
723                viewHolder.load_more_messages.setVisibility(View.GONE);
724                viewHolder.status_message.setText(message.getBody());
725                boolean showAvatar;
726                if (conversation.getMode() == Conversation.MODE_SINGLE) {
727                    showAvatar = true;
728                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
729                } else if (message.getCounterpart() != null || message.getTrueCounterpart() != null || (message.getCounterparts() != null && message.getCounterparts().size() > 0)) {
730                    showAvatar = true;
731                    AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar_on_status_message);
732                } else {
733                    showAvatar = false;
734                }
735                if (showAvatar) {
736                    viewHolder.contact_picture.setAlpha(0.5f);
737                    viewHolder.contact_picture.setVisibility(View.VISIBLE);
738                } else {
739                    viewHolder.contact_picture.setVisibility(View.GONE);
740                }
741            }
742            return view;
743        } else {
744            AvatarWorkerTask.loadAvatar(message, viewHolder.contact_picture, R.dimen.avatar);
745        }
746
747        resetClickListener(viewHolder.message_box, viewHolder.messageBody);
748
749        viewHolder.contact_picture.setOnClickListener(v -> {
750            if (MessageAdapter.this.mOnContactPictureClickedListener != null) {
751                MessageAdapter.this.mOnContactPictureClickedListener
752                        .onContactPictureClicked(message);
753            }
754
755        });
756        viewHolder.contact_picture.setOnLongClickListener(v -> {
757            if (MessageAdapter.this.mOnContactPictureLongClickedListener != null) {
758                MessageAdapter.this.mOnContactPictureLongClickedListener
759                        .onContactPictureLongClicked(v, message);
760                return true;
761            } else {
762                return false;
763            }
764        });
765
766        final Transferable transferable = message.getTransferable();
767        final boolean unInitiatedButKnownSize = MessageUtils.unInitiatedButKnownSize(message);
768        if (unInitiatedButKnownSize || message.isDeleted() || (transferable != null && transferable.getStatus() != Transferable.STATUS_UPLOADING)) {
769            if (unInitiatedButKnownSize || transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER) {
770                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.download_x_file, UIHelper.getFileDescriptionString(activity, message)), darkBackground);
771            } else if (transferable != null && transferable.getStatus() == Transferable.STATUS_OFFER_CHECK_FILESIZE) {
772                displayDownloadableMessage(viewHolder, message, activity.getString(R.string.check_x_filesize, UIHelper.getFileDescriptionString(activity, message)), darkBackground);
773            } else {
774                displayInfoMessage(viewHolder, UIHelper.getMessagePreview(activity, message).first, darkBackground);
775            }
776        } else if (message.isFileOrImage() && message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED) {
777            if (message.getFileParams().width > 0 && message.getFileParams().height > 0) {
778                displayMediaPreviewMessage(viewHolder, message, darkBackground);
779            } else if (message.getFileParams().runtime > 0) {
780                displayAudioMessage(viewHolder, message, darkBackground);
781            } else {
782                displayOpenableMessage(viewHolder, message, darkBackground);
783            }
784        } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
785            if (account.isPgpDecryptionServiceConnected()) {
786                if (conversation instanceof Conversation && !account.hasPendingPgpIntent((Conversation) conversation)) {
787                    displayInfoMessage(viewHolder, activity.getString(R.string.message_decrypting), darkBackground);
788                } else {
789                    displayInfoMessage(viewHolder, activity.getString(R.string.pgp_message), darkBackground);
790                }
791            } else {
792                displayInfoMessage(viewHolder, activity.getString(R.string.install_openkeychain), darkBackground);
793                viewHolder.message_box.setOnClickListener(this::promptOpenKeychainInstall);
794                viewHolder.messageBody.setOnClickListener(this::promptOpenKeychainInstall);
795            }
796        } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
797            displayInfoMessage(viewHolder, activity.getString(R.string.decryption_failed), darkBackground);
798        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_NOT_FOR_THIS_DEVICE) {
799            displayInfoMessage(viewHolder, activity.getString(R.string.not_encrypted_for_this_device), darkBackground);
800        } else if (message.getEncryption() == Message.ENCRYPTION_AXOLOTL_FAILED) {
801            displayInfoMessage(viewHolder, activity.getString(R.string.omemo_decryption_failed), darkBackground);
802        } else {
803            if (message.isGeoUri()) {
804                displayLocationMessage(viewHolder, message, darkBackground);
805            } else if (message.bodyIsOnlyEmojis() && message.getType() != Message.TYPE_PRIVATE) {
806                displayEmojiMessage(viewHolder, message.getBody().trim(), darkBackground);
807            } else if (message.treatAsDownloadable()) {
808                try {
809                    final URI uri = new URI(message.getBody());
810                        displayDownloadableMessage(viewHolder,
811                                message,
812                                activity.getString(R.string.check_x_filesize_on_host,
813                                        UIHelper.getFileDescriptionString(activity, message),
814                                        uri.getHost()),
815                                darkBackground);
816                } catch (Exception e) {
817                    displayDownloadableMessage(viewHolder,
818                            message,
819                            activity.getString(R.string.check_x_filesize,
820                                    UIHelper.getFileDescriptionString(activity, message)),
821                            darkBackground);
822                }
823            } else {
824                displayTextMessage(viewHolder, message, darkBackground, type);
825            }
826        }
827
828        if (type == RECEIVED) {
829            if (isInValidSession) {
830                int bubble;
831                if (!mUseGreenBackground) {
832                    bubble = activity.getThemeResource(R.attr.message_bubble_received_monochrome, R.drawable.message_bubble_received_white);
833                } else {
834                    bubble = activity.getThemeResource(R.attr.message_bubble_received_green, R.drawable.message_bubble_received);
835                }
836                viewHolder.message_box.setBackgroundResource(bubble);
837                viewHolder.encryption.setVisibility(View.GONE);
838            } else {
839                viewHolder.message_box.setBackgroundResource(R.drawable.message_bubble_received_warning);
840                viewHolder.encryption.setVisibility(View.VISIBLE);
841                if (omemoEncryption && !message.isTrusted()) {
842                    viewHolder.encryption.setText(R.string.not_trusted);
843                } else {
844                    viewHolder.encryption.setText(CryptoHelper.encryptionTypeToText(message.getEncryption()));
845                }
846            }
847        }
848
849        displayStatus(viewHolder, message, type, darkBackground);
850
851        return view;
852    }
853
854    private void promptOpenKeychainInstall(View view) {
855        activity.showInstallPgpDialog();
856    }
857
858    public FileBackend getFileBackend() {
859        return activity.xmppConnectionService.getFileBackend();
860    }
861
862    public void stopAudioPlayer() {
863        audioPlayer.stop();
864    }
865
866    public void unregisterListenerInAudioPlayer() {
867        audioPlayer.unregisterListener();
868    }
869
870    public void startStopPending() {
871        audioPlayer.startStopPending();
872    }
873
874    public void openDownloadable(Message message) {
875        if (ContextCompat.checkSelfPermission(activity, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
876            ConversationFragment.registerPendingMessage(activity, message);
877            ActivityCompat.requestPermissions(activity, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, ConversationsActivity.REQUEST_OPEN_MESSAGE);
878            return;
879        }
880        final DownloadableFile file = activity.xmppConnectionService.getFileBackend().getFile(message);
881        ViewUtil.view(activity, file);
882    }
883
884    private void showLocation(Message message) {
885        for (Intent intent : GeoHelper.createGeoIntentsFromMessage(activity, message)) {
886            if (intent.resolveActivity(getContext().getPackageManager()) != null) {
887                getContext().startActivity(intent);
888                return;
889            }
890        }
891        Toast.makeText(activity, R.string.no_application_found_to_display_location, Toast.LENGTH_SHORT).show();
892    }
893
894    public void updatePreferences() {
895        SharedPreferences p = PreferenceManager.getDefaultSharedPreferences(activity);
896        this.mUseGreenBackground = p.getBoolean("use_green_background", activity.getResources().getBoolean(R.bool.use_green_background));
897    }
898
899
900    public void setHighlightedTerm(List<String> terms) {
901        this.highlightedTerm = terms == null ? null : StylingHelper.filterHighlightedWords(terms);
902    }
903
904    public interface OnContactPictureClicked {
905        void onContactPictureClicked(Message message);
906    }
907
908    public interface OnContactPictureLongClicked {
909        void onContactPictureLongClicked(View v, Message message);
910    }
911
912    private static class ViewHolder {
913
914        public Button load_more_messages;
915        public ImageView edit_indicator;
916        public RelativeLayout audioPlayer;
917        protected LinearLayout message_box;
918        protected Button download_button;
919        protected ImageView image;
920        protected ImageView indicator;
921        protected ImageView indicatorReceived;
922        protected TextView time;
923        protected TextView messageBody;
924        protected ImageView contact_picture;
925        protected TextView status_message;
926        protected TextView encryption;
927    }
928}