NotificationService.java

  1package eu.siacs.conversations.services;
  2
  3import android.app.Notification;
  4import android.app.NotificationChannel;
  5import android.app.NotificationChannelGroup;
  6import android.app.NotificationManager;
  7import android.app.PendingIntent;
  8import android.content.Context;
  9import android.content.Intent;
 10import android.content.SharedPreferences;
 11import android.content.res.Resources;
 12import android.graphics.Bitmap;
 13import android.graphics.Typeface;
 14import android.media.AudioAttributes;
 15import android.media.RingtoneManager;
 16import android.net.Uri;
 17import android.os.Build;
 18import android.os.SystemClock;
 19import android.preference.PreferenceManager;
 20import android.support.annotation.RequiresApi;
 21import android.support.v4.app.NotificationCompat;
 22import android.support.v4.app.NotificationCompat.BigPictureStyle;
 23import android.support.v4.app.NotificationCompat.Builder;
 24import android.support.v4.app.NotificationManagerCompat;
 25import android.support.v4.app.NotificationCompat.CarExtender.UnreadConversation;
 26import android.support.v4.app.RemoteInput;
 27import android.support.v4.content.ContextCompat;
 28import android.text.SpannableString;
 29import android.text.style.StyleSpan;
 30import android.util.DisplayMetrics;
 31import android.util.Log;
 32import android.util.Pair;
 33
 34import org.conscrypt.Conscrypt;
 35
 36import java.io.File;
 37import java.io.IOException;
 38import java.util.ArrayList;
 39import java.util.Calendar;
 40import java.util.Collections;
 41import java.util.HashMap;
 42import java.util.Iterator;
 43import java.util.LinkedHashMap;
 44import java.util.List;
 45import java.util.Map;
 46import java.util.concurrent.atomic.AtomicInteger;
 47import java.util.regex.Matcher;
 48import java.util.regex.Pattern;
 49
 50import eu.siacs.conversations.Config;
 51import eu.siacs.conversations.R;
 52import eu.siacs.conversations.entities.Account;
 53import eu.siacs.conversations.entities.Contact;
 54import eu.siacs.conversations.entities.Conversation;
 55import eu.siacs.conversations.entities.Conversational;
 56import eu.siacs.conversations.entities.Message;
 57import eu.siacs.conversations.persistance.FileBackend;
 58import eu.siacs.conversations.ui.ConversationsActivity;
 59import eu.siacs.conversations.ui.ManageAccountActivity;
 60import eu.siacs.conversations.ui.TimePreference;
 61import eu.siacs.conversations.utils.Compatibility;
 62import eu.siacs.conversations.utils.GeoHelper;
 63import eu.siacs.conversations.utils.UIHelper;
 64import eu.siacs.conversations.xmpp.XmppConnection;
 65
 66public class NotificationService {
 67
 68    public static final Object CATCHUP_LOCK = new Object();
 69
 70    private static final String CONVERSATIONS_GROUP = "eu.siacs.conversations";
 71    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
 72    private static final int NOTIFICATION_ID = 2 * NOTIFICATION_ID_MULTIPLIER;
 73    public static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
 74    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
 75    private final XmppConnectionService mXmppConnectionService;
 76    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
 77    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
 78    private Conversation mOpenConversation;
 79    private boolean mIsInForeground;
 80    private long mLastNotification;
 81
 82    NotificationService(final XmppConnectionService service) {
 83        this.mXmppConnectionService = service;
 84    }
 85
 86    private static boolean displaySnoozeAction(List<Message> messages) {
 87        int numberOfMessagesWithoutReply = 0;
 88        for (Message message : messages) {
 89            if (message.getStatus() == Message.STATUS_RECEIVED) {
 90                ++numberOfMessagesWithoutReply;
 91            } else {
 92                return false;
 93            }
 94        }
 95        return numberOfMessagesWithoutReply >= 3;
 96    }
 97
 98    public static Pattern generateNickHighlightPattern(final String nick) {
 99        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "\\b");
100    }
101
102    @RequiresApi(api = Build.VERSION_CODES.O)
103    public void initializeChannels() {
104        final Context c = mXmppConnectionService;
105        final NotificationManager notificationManager = c.getSystemService(NotificationManager.class);
106        if (notificationManager == null) {
107            return;
108        }
109
110        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("status", c.getString(R.string.notification_group_status_information)));
111        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("chats", c.getString(R.string.notification_group_messages)));
112        final NotificationChannel foregroundServiceChannel = new NotificationChannel("foreground",
113                c.getString(R.string.foreground_service_channel_name),
114                NotificationManager.IMPORTANCE_MIN);
115        foregroundServiceChannel.setDescription(c.getString(R.string.foreground_service_channel_description));
116        foregroundServiceChannel.setShowBadge(false);
117        foregroundServiceChannel.setGroup("status");
118        notificationManager.createNotificationChannel(foregroundServiceChannel);
119        final NotificationChannel errorChannel = new NotificationChannel("error",
120                c.getString(R.string.error_channel_name),
121                NotificationManager.IMPORTANCE_LOW);
122        errorChannel.setDescription(c.getString(R.string.error_channel_description));
123        errorChannel.setShowBadge(false);
124        errorChannel.setGroup("status");
125        notificationManager.createNotificationChannel(errorChannel);
126
127        final NotificationChannel videoCompressionChannel = new NotificationChannel("compression",
128                c.getString(R.string.video_compression_channel_name),
129                NotificationManager.IMPORTANCE_LOW);
130        videoCompressionChannel.setShowBadge(false);
131        videoCompressionChannel.setGroup("status");
132        notificationManager.createNotificationChannel(videoCompressionChannel);
133
134        final NotificationChannel exportChannel = new NotificationChannel("export",
135                c.getString(R.string.export_channel_name),
136                NotificationManager.IMPORTANCE_LOW);
137        exportChannel.setShowBadge(false);
138        exportChannel.setGroup("status");
139        notificationManager.createNotificationChannel(exportChannel);
140
141        final NotificationChannel messagesChannel = new NotificationChannel("messages",
142                c.getString(R.string.messages_channel_name),
143                NotificationManager.IMPORTANCE_HIGH);
144        messagesChannel.setShowBadge(true);
145        messagesChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
146                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
147                .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
148                .build());
149        messagesChannel.setLightColor(0xff00ff00);
150        final int dat = 70;
151        final long[] pattern = {0, 3 * dat, dat, dat};
152        messagesChannel.setVibrationPattern(pattern);
153        messagesChannel.enableVibration(true);
154        messagesChannel.enableLights(true);
155        messagesChannel.setGroup("chats");
156        notificationManager.createNotificationChannel(messagesChannel);
157        final NotificationChannel silentMessagesChannel = new NotificationChannel("silent_messages",
158                c.getString(R.string.silent_messages_channel_name),
159                NotificationManager.IMPORTANCE_LOW);
160        silentMessagesChannel.setDescription(c.getString(R.string.silent_messages_channel_description));
161        silentMessagesChannel.setShowBadge(true);
162        silentMessagesChannel.setLightColor(0xff00ff00);
163        silentMessagesChannel.enableLights(true);
164        silentMessagesChannel.setGroup("chats");
165        notificationManager.createNotificationChannel(silentMessagesChannel);
166    }
167
168    public boolean notify(final Message message) {
169        final Conversation conversation = (Conversation) message.getConversation();
170        return message.getStatus() == Message.STATUS_RECEIVED
171                && !conversation.isMuted()
172                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
173                && (!conversation.isWithStranger() || notificationsFromStrangers())
174                ;
175    }
176
177    private boolean notificationsFromStrangers() {
178        return mXmppConnectionService.getBooleanPreference("notifications_from_strangers", R.bool.notifications_from_strangers);
179    }
180
181    private boolean isQuietHours() {
182        if (!mXmppConnectionService.getBooleanPreference("enable_quiet_hours", R.bool.enable_quiet_hours)) {
183            return false;
184        }
185        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
186        final long startTime = preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
187        final long endTime = preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
188        final long nowTime = Calendar.getInstance().getTimeInMillis() % Config.MILLISECONDS_IN_DAY;
189
190        if (endTime < startTime) {
191            return nowTime > startTime || nowTime < endTime;
192        } else {
193            return nowTime > startTime && nowTime < endTime;
194        }
195    }
196
197    public void pushFromBacklog(final Message message) {
198        if (notify(message)) {
199            synchronized (notifications) {
200                getBacklogMessageCounter((Conversation) message.getConversation()).incrementAndGet();
201                pushToStack(message);
202            }
203        }
204    }
205
206    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
207        synchronized (mBacklogMessageCounter) {
208            if (!mBacklogMessageCounter.containsKey(conversation)) {
209                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
210            }
211            return mBacklogMessageCounter.get(conversation);
212        }
213    }
214
215    public void pushFromDirectReply(final Message message) {
216        synchronized (notifications) {
217            pushToStack(message);
218            updateNotification(false);
219        }
220    }
221
222    public void finishBacklog(boolean notify, Account account) {
223        synchronized (notifications) {
224            mXmppConnectionService.updateUnreadCountBadge();
225            if (account == null || !notify) {
226                updateNotification(notify);
227            } else {
228                final int count;
229                final List<String> conversations;
230                synchronized (this.mBacklogMessageCounter) {
231                    conversations = getBacklogConversations(account);
232                    count = getBacklogMessageCount(account);
233                }
234                updateNotification(count > 0, conversations);
235            }
236        }
237    }
238
239    private List<String> getBacklogConversations(Account account) {
240        final List<String> conversations = new ArrayList<>();
241        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
242            Map.Entry<Conversation, AtomicInteger> entry = it.next();
243            if (entry.getKey().getAccount() == account) {
244                conversations.add(entry.getKey().getUuid());
245            }
246        }
247        return conversations;
248    }
249
250    private int getBacklogMessageCount(Account account) {
251        int count = 0;
252        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
253            Map.Entry<Conversation, AtomicInteger> entry = it.next();
254            if (entry.getKey().getAccount() == account) {
255                count += entry.getValue().get();
256                it.remove();
257            }
258        }
259        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
260        return count;
261    }
262
263    public void finishBacklog(boolean notify) {
264        finishBacklog(notify, null);
265    }
266
267    private void pushToStack(final Message message) {
268        final String conversationUuid = message.getConversationUuid();
269        if (notifications.containsKey(conversationUuid)) {
270            notifications.get(conversationUuid).add(message);
271        } else {
272            final ArrayList<Message> mList = new ArrayList<>();
273            mList.add(message);
274            notifications.put(conversationUuid, mList);
275        }
276    }
277
278    public void push(final Message message) {
279        synchronized (CATCHUP_LOCK) {
280            final XmppConnection connection = message.getConversation().getAccount().getXmppConnection();
281            if (connection != null && connection.isWaitingForSmCatchup()) {
282                connection.incrementSmCatchupMessageCounter();
283                pushFromBacklog(message);
284            } else {
285                pushNow(message);
286            }
287        }
288    }
289
290    private void pushNow(final Message message) {
291        mXmppConnectionService.updateUnreadCountBadge();
292        if (!notify(message)) {
293            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
294            return;
295        }
296        final boolean isScreenOn = mXmppConnectionService.isInteractive();
297        if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) {
298            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
299            return;
300        }
301        synchronized (notifications) {
302            pushToStack(message);
303            final Conversational conversation = message.getConversation();
304            final Account account = conversation.getAccount();
305            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
306                    && !account.inGracePeriod()
307                    && !this.inMiniGracePeriod(account);
308            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
309        }
310    }
311
312    public void clear() {
313        synchronized (notifications) {
314            for (ArrayList<Message> messages : notifications.values()) {
315                markAsReadIfHasDirectReply(messages);
316            }
317            notifications.clear();
318            updateNotification(false);
319        }
320    }
321
322    public void clear(final Conversation conversation) {
323        synchronized (this.mBacklogMessageCounter) {
324            this.mBacklogMessageCounter.remove(conversation);
325        }
326        synchronized (notifications) {
327            markAsReadIfHasDirectReply(conversation);
328            if (notifications.remove(conversation.getUuid()) != null) {
329                cancel(conversation.getUuid(), NOTIFICATION_ID);
330                updateNotification(false, null, true);
331            }
332        }
333    }
334
335    private void markAsReadIfHasDirectReply(final Conversation conversation) {
336        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
337    }
338
339    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
340        if (messages != null && messages.size() > 0) {
341            Message last = messages.get(messages.size() - 1);
342            if (last.getStatus() != Message.STATUS_RECEIVED) {
343                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
344                    mXmppConnectionService.updateConversationUi();
345                }
346            }
347        }
348    }
349
350    private void setNotificationColor(final Builder mBuilder) {
351        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.green600));
352    }
353
354    public void updateNotification(final boolean notify) {
355        updateNotification(notify, null, false);
356    }
357
358    public void updateNotification(final boolean notify, final List<String> conversations) {
359        updateNotification(notify, conversations, false);
360    }
361
362    private void updateNotification(final boolean notify, final List<String> conversations, final boolean summaryOnly) {
363        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
364
365        final boolean notifyOnlyOneChild = notify && conversations != null && conversations.size() == 1; //if this check is changed to > 0 catchup messages will create one notification per conversation
366
367        if (notifications.size() == 0) {
368            cancel(NOTIFICATION_ID);
369        } else {
370            if (notify) {
371                this.markLastNotification();
372            }
373            final Builder mBuilder;
374            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
375                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify);
376                modifyForSoundVibrationAndLight(mBuilder, notify, preferences);
377                notify(NOTIFICATION_ID, mBuilder.build());
378            } else {
379                mBuilder = buildMultipleConversation(notify);
380                if (notifyOnlyOneChild) {
381                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
382                }
383                modifyForSoundVibrationAndLight(mBuilder, notify, preferences);
384                if (!summaryOnly) {
385                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
386                        String uuid = entry.getKey();
387                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notifyOnlyOneChild ? conversations.contains(uuid) : notify);
388                        if (!notifyOnlyOneChild) {
389                            singleBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY);
390                        }
391                        singleBuilder.setGroup(CONVERSATIONS_GROUP);
392                        setNotificationColor(singleBuilder);
393                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
394                    }
395                }
396                notify(NOTIFICATION_ID, mBuilder.build());
397            }
398        }
399    }
400
401    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, SharedPreferences preferences) {
402        final Resources resources = mXmppConnectionService.getResources();
403        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
404        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
405        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
406        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
407        if (notify && !isQuietHours()) {
408            if (vibrate) {
409                final int dat = 70;
410                final long[] pattern = {0, 3 * dat, dat, dat};
411                mBuilder.setVibrate(pattern);
412            } else {
413                mBuilder.setVibrate(new long[]{0});
414            }
415            Uri uri = Uri.parse(ringtone);
416            try {
417                mBuilder.setSound(fixRingtoneUri(uri));
418            } catch (SecurityException e) {
419                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
420            }
421        }
422        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
423            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
424        }
425        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
426        setNotificationColor(mBuilder);
427        mBuilder.setDefaults(0);
428        if (led) {
429            mBuilder.setLights(0xff00FF00, 2000, 3000);
430        }
431    }
432
433    private Uri fixRingtoneUri(Uri uri) {
434        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
435            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
436        } else {
437            return uri;
438        }
439    }
440
441    private Builder buildMultipleConversation(final boolean notify) {
442        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, notify ? "messages" : "silent_messages");
443        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
444        style.setBigContentTitle(notifications.size()
445                + " "
446                + mXmppConnectionService
447                .getString(R.string.unread_conversations));
448        final StringBuilder names = new StringBuilder();
449        Conversation conversation = null;
450        for (final ArrayList<Message> messages : notifications.values()) {
451            if (messages.size() > 0) {
452                conversation = (Conversation) messages.get(0).getConversation();
453                final String name = conversation.getName().toString();
454                SpannableString styledString;
455                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
456                    int count = messages.size();
457                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
458                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
459                    style.addLine(styledString);
460                } else {
461                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
462                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
463                    style.addLine(styledString);
464                }
465                names.append(name);
466                names.append(", ");
467            }
468        }
469        if (names.length() >= 2) {
470            names.delete(names.length() - 2, names.length());
471        }
472        mBuilder.setContentTitle(notifications.size()
473                + " "
474                + mXmppConnectionService
475                .getString(R.string.unread_conversations));
476        mBuilder.setContentText(names.toString());
477        mBuilder.setStyle(style);
478        if (conversation != null) {
479            mBuilder.setContentIntent(createContentIntent(conversation));
480        }
481        mBuilder.setGroupSummary(true);
482        mBuilder.setGroup(CONVERSATIONS_GROUP);
483        mBuilder.setDeleteIntent(createDeleteIntent(null));
484        mBuilder.setSmallIcon(R.drawable.ic_notification);
485        return mBuilder;
486    }
487
488    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify) {
489        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, notify ? "messages" : "silent_messages");
490        if (messages.size() >= 1) {
491            final Conversation conversation = (Conversation) messages.get(0).getConversation();
492            final UnreadConversation.Builder mUnreadBuilder = new UnreadConversation.Builder(conversation.getName().toString());
493            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
494                    .get(conversation, getPixel(64)));
495            mBuilder.setContentTitle(conversation.getName());
496            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
497                int count = messages.size();
498                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
499            } else {
500                Message message;
501                if ((message = getImage(messages)) != null) {
502                    modifyForImage(mBuilder, mUnreadBuilder, message, messages);
503                } else {
504                    modifyForTextOnly(mBuilder, mUnreadBuilder, messages);
505                }
506                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
507                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
508                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
509                        R.drawable.ic_drafts_white_24dp,
510                        mXmppConnectionService.getString(R.string.mark_as_read),
511                        markAsReadPendingIntent).build();
512                String replyLabel = mXmppConnectionService.getString(R.string.reply);
513                NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
514                        R.drawable.ic_send_text_offline,
515                        replyLabel,
516                        createReplyIntent(conversation, false)).addRemoteInput(remoteInput).build();
517                NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
518                        replyLabel,
519                        createReplyIntent(conversation, true)).addRemoteInput(remoteInput).build();
520                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
521                mUnreadBuilder.setReplyAction(createReplyIntent(conversation, true), remoteInput);
522                mUnreadBuilder.setReadPendingIntent(markAsReadPendingIntent);
523                mBuilder.extend(new NotificationCompat.CarExtender().setUnreadConversation(mUnreadBuilder.build()));
524                int addedActionsCount = 1;
525                mBuilder.addAction(markReadAction);
526                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
527                    mBuilder.addAction(replyAction);
528                    ++addedActionsCount;
529                }
530
531                if (displaySnoozeAction(messages)) {
532                    String label = mXmppConnectionService.getString(R.string.snooze);
533                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
534                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
535                            R.drawable.ic_notifications_paused_white_24dp,
536                            label,
537                            pendingSnoozeIntent).build();
538                    mBuilder.addAction(snoozeAction);
539                    ++addedActionsCount;
540                }
541                if (addedActionsCount < 3) {
542                    final Message firstLocationMessage = getFirstLocationMessage(messages);
543                    if (firstLocationMessage != null) {
544                        String label = mXmppConnectionService.getResources().getString(R.string.show_location);
545                        PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
546                        NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
547                                R.drawable.ic_room_white_24dp,
548                                label,
549                                pendingShowLocationIntent).build();
550                        mBuilder.addAction(locationAction);
551                        ++addedActionsCount;
552                    }
553                }
554                if (addedActionsCount < 3) {
555                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
556                    if (firstDownloadableMessage != null) {
557                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
558                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
559                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
560                                R.drawable.ic_file_download_white_24dp,
561                                label,
562                                pendingDownloadIntent).build();
563                        mBuilder.addAction(downloadAction);
564                        ++addedActionsCount;
565                    }
566                }
567            }
568            if (conversation.getMode() == Conversation.MODE_SINGLE) {
569                Contact contact = conversation.getContact();
570                Uri systemAccount = contact.getSystemAccount();
571                if (systemAccount != null) {
572                    mBuilder.addPerson(systemAccount.toString());
573                }
574            }
575            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
576            mBuilder.setSmallIcon(R.drawable.ic_notification);
577            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
578            mBuilder.setContentIntent(createContentIntent(conversation));
579        }
580        return mBuilder;
581    }
582
583    private void modifyForImage(final Builder builder, final UnreadConversation.Builder uBuilder,
584                                final Message message, final ArrayList<Message> messages) {
585        try {
586            final Bitmap bitmap = mXmppConnectionService.getFileBackend()
587                    .getThumbnail(message, getPixel(288), false);
588            final ArrayList<Message> tmp = new ArrayList<>();
589            for (final Message msg : messages) {
590                if (msg.getType() == Message.TYPE_TEXT
591                        && msg.getTransferable() == null) {
592                    tmp.add(msg);
593                }
594            }
595            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
596            bigPictureStyle.bigPicture(bitmap);
597            if (tmp.size() > 0) {
598                CharSequence text = getMergedBodies(tmp);
599                bigPictureStyle.setSummaryText(text);
600                builder.setContentText(text);
601            } else {
602                builder.setContentText(UIHelper.getFileDescriptionString(mXmppConnectionService, message));
603            }
604            builder.setStyle(bigPictureStyle);
605        } catch (final IOException e) {
606            modifyForTextOnly(builder, uBuilder, messages);
607        }
608    }
609
610    private void modifyForTextOnly(final Builder builder, final UnreadConversation.Builder uBuilder, final ArrayList<Message> messages) {
611        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
612            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(mXmppConnectionService.getString(R.string.me));
613            final Conversation conversation = (Conversation) messages.get(0).getConversation();
614            if (conversation.getMode() == Conversation.MODE_MULTI) {
615                messagingStyle.setConversationTitle(conversation.getName());
616            }
617            for (Message message : messages) {
618                String sender = message.getStatus() == Message.STATUS_RECEIVED ? UIHelper.getMessageDisplayName(message) : null;
619                messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
620            }
621            builder.setStyle(messagingStyle);
622        } else {
623            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
624                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
625                builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
626            } else {
627                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
628                SpannableString styledString;
629                for (Message message : messages) {
630                    final String name = UIHelper.getMessageDisplayName(message);
631                    styledString = new SpannableString(name + ": " + message.getBody());
632                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
633                    style.addLine(styledString);
634                }
635                builder.setStyle(style);
636                int count = messages.size();
637                if (count == 1) {
638                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
639                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
640                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
641                    builder.setContentText(styledString);
642                } else {
643                    builder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
644                }
645            }
646        }
647        /** message preview for Android Auto **/
648        for (Message message : messages) {
649            Pair<CharSequence, Boolean> preview = UIHelper.getMessagePreview(mXmppConnectionService, message);
650            // only show user written text
651            if (!preview.second) {
652                uBuilder.addMessage(preview.first.toString());
653                uBuilder.setLatestTimestamp(message.getTimeSent());
654            }
655        }
656    }
657
658    private Message getImage(final Iterable<Message> messages) {
659        Message image = null;
660        for (final Message message : messages) {
661            if (message.getStatus() != Message.STATUS_RECEIVED) {
662                return null;
663            }
664            if (message.getType() != Message.TYPE_TEXT
665                    && message.getTransferable() == null
666                    && message.getEncryption() != Message.ENCRYPTION_PGP
667                    && message.getFileParams().height > 0) {
668                image = message;
669            }
670        }
671        return image;
672    }
673
674    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
675        for (final Message message : messages) {
676            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
677                return message;
678            }
679        }
680        return null;
681    }
682
683    private Message getFirstLocationMessage(final Iterable<Message> messages) {
684        for (final Message message : messages) {
685            if (message.isGeoUri()) {
686                return message;
687            }
688        }
689        return null;
690    }
691
692    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
693        final StringBuilder text = new StringBuilder();
694        for (Message message : messages) {
695            if (text.length() != 0) {
696                text.append("\n");
697            }
698            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
699        }
700        return text.toString();
701    }
702
703    private PendingIntent createShowLocationIntent(final Message message) {
704        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
705        for (Intent intent : intents) {
706            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
707                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
708            }
709        }
710        return createOpenConversationsIntent();
711    }
712
713    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
714        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
715        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
716        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
717        if (downloadMessageUuid != null) {
718            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
719            return PendingIntent.getActivity(mXmppConnectionService,
720                    generateRequestCode(conversationUuid, 8),
721                    viewConversationIntent,
722                    PendingIntent.FLAG_UPDATE_CURRENT);
723        } else {
724            return PendingIntent.getActivity(mXmppConnectionService,
725                    generateRequestCode(conversationUuid, 10),
726                    viewConversationIntent,
727                    PendingIntent.FLAG_UPDATE_CURRENT);
728        }
729    }
730
731    private int generateRequestCode(String uuid, int actionId) {
732        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
733    }
734
735    private int generateRequestCode(Conversational conversation, int actionId) {
736        return generateRequestCode(conversation.getUuid(), actionId);
737    }
738
739    private PendingIntent createDownloadIntent(final Message message) {
740        return createContentIntent(message.getConversationUuid(), message.getUuid());
741    }
742
743    private PendingIntent createContentIntent(final Conversational conversation) {
744        return createContentIntent(conversation.getUuid(), null);
745    }
746
747    private PendingIntent createDeleteIntent(Conversation conversation) {
748        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
749        intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
750        if (conversation != null) {
751            intent.putExtra("uuid", conversation.getUuid());
752            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
753        }
754        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
755    }
756
757    private PendingIntent createReplyIntent(Conversation conversation, boolean dismissAfterReply) {
758        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
759        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
760        intent.putExtra("uuid", conversation.getUuid());
761        intent.putExtra("dismiss_notification", dismissAfterReply);
762        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
763        return PendingIntent.getService(mXmppConnectionService, id, intent, 0);
764    }
765
766    private PendingIntent createReadPendingIntent(Conversation conversation) {
767        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
768        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
769        intent.putExtra("uuid", conversation.getUuid());
770        intent.setPackage(mXmppConnectionService.getPackageName());
771        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
772    }
773
774    private PendingIntent createSnoozeIntent(Conversation conversation) {
775        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
776        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
777        intent.putExtra("uuid", conversation.getUuid());
778        intent.setPackage(mXmppConnectionService.getPackageName());
779        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
780    }
781
782    private PendingIntent createTryAgainIntent() {
783        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
784        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
785        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
786    }
787
788    private PendingIntent createDismissErrorIntent() {
789        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
790        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
791        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
792    }
793
794    private boolean wasHighlightedOrPrivate(final Message message) {
795        if (message.getConversation() instanceof Conversation) {
796            Conversation conversation = (Conversation) message.getConversation();
797            final String nick = conversation.getMucOptions().getActualNick();
798            final Pattern highlight = generateNickHighlightPattern(nick);
799            if (message.getBody() == null || nick == null) {
800                return false;
801            }
802            final Matcher m = highlight.matcher(message.getBody());
803            return (m.find() || message.getType() == Message.TYPE_PRIVATE);
804        } else {
805            return false;
806        }
807    }
808
809    public void setOpenConversation(final Conversation conversation) {
810        this.mOpenConversation = conversation;
811    }
812
813    public void setIsInForeground(final boolean foreground) {
814        this.mIsInForeground = foreground;
815    }
816
817    private int getPixel(final int dp) {
818        final DisplayMetrics metrics = mXmppConnectionService.getResources()
819                .getDisplayMetrics();
820        return ((int) (dp * metrics.density));
821    }
822
823    private void markLastNotification() {
824        this.mLastNotification = SystemClock.elapsedRealtime();
825    }
826
827    private boolean inMiniGracePeriod(final Account account) {
828        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
829                : Config.MINI_GRACE_PERIOD * 2;
830        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
831    }
832
833    public Notification createForegroundNotification() {
834        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
835        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.conversations_foreground_service));
836        if (Compatibility.runsAndTargetsTwentySix(mXmppConnectionService) || Config.SHOW_CONNECTED_ACCOUNTS) {
837            List<Account> accounts = mXmppConnectionService.getAccounts();
838            int enabled = 0;
839            int connected = 0;
840            for (Account account : accounts) {
841                if (account.isOnlineAndConnected()) {
842                    connected++;
843                    enabled++;
844                } else if (account.isEnabled()) {
845                    enabled++;
846                }
847            }
848            mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
849        } else {
850            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_open_conversations));
851        }
852        mBuilder.setContentIntent(createOpenConversationsIntent());
853        mBuilder.setWhen(0);
854        mBuilder.setPriority(Notification.PRIORITY_LOW);
855        mBuilder.setSmallIcon(R.drawable.ic_link_white_24dp);
856
857        if (Compatibility.runsTwentySix()) {
858            mBuilder.setChannelId("foreground");
859        }
860
861
862        return mBuilder.build();
863    }
864
865    private PendingIntent createOpenConversationsIntent() {
866        return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
867    }
868
869    public void updateErrorNotification() {
870        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
871            cancel(ERROR_NOTIFICATION_ID);
872            return;
873        }
874        final List<Account> errors = new ArrayList<>();
875        for (final Account account : mXmppConnectionService.getAccounts()) {
876            if (account.hasErrorStatus() && account.showErrorNotification()) {
877                errors.add(account);
878            }
879        }
880        if (Compatibility.keepForegroundService(mXmppConnectionService)) {
881            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
882        }
883        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
884        if (errors.size() == 0) {
885            cancel(ERROR_NOTIFICATION_ID);
886            return;
887        } else if (errors.size() == 1) {
888            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
889            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toString());
890        } else {
891            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
892            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
893        }
894        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
895                mXmppConnectionService.getString(R.string.try_again),
896                createTryAgainIntent());
897        mBuilder.setDeleteIntent(createDismissErrorIntent());
898        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
899            mBuilder.setVisibility(NotificationCompat.VISIBILITY_PRIVATE);
900            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
901        } else {
902            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
903        }
904        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
905            mBuilder.setLocalOnly(true);
906        }
907        mBuilder.setPriority(Notification.PRIORITY_LOW);
908        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService,
909                145,
910                new Intent(mXmppConnectionService, ManageAccountActivity.class),
911                PendingIntent.FLAG_UPDATE_CURRENT));
912        if (Compatibility.runsTwentySix()) {
913            mBuilder.setChannelId("error");
914        }
915        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
916    }
917
918    public void updateFileAddingNotification(int current, Message message) {
919        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
920        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
921        mBuilder.setProgress(100, current, false);
922        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
923        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
924        mBuilder.setOngoing(true);
925        if (Compatibility.runsTwentySix()) {
926            mBuilder.setChannelId("compression");
927        }
928        Notification notification = mBuilder.build();
929        notify(FOREGROUND_NOTIFICATION_ID, notification);
930    }
931
932    public void dismissForcedForegroundNotification() {
933        cancel(FOREGROUND_NOTIFICATION_ID);
934    }
935
936    private void notify(String tag, int id, Notification notification) {
937        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
938        try {
939            notificationManager.notify(tag, id, notification);
940        } catch (RuntimeException e) {
941            Log.d(Config.LOGTAG, "unable to make notification", e);
942        }
943    }
944
945    private void notify(int id, Notification notification) {
946        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
947        try {
948            notificationManager.notify(id, notification);
949        } catch (RuntimeException e) {
950            Log.d(Config.LOGTAG, "unable to make notification", e);
951        }
952    }
953
954    private void cancel(int id) {
955        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
956        try {
957            notificationManager.cancel(id);
958        } catch (RuntimeException e) {
959            Log.d(Config.LOGTAG, "unable to cancel notification", e);
960        }
961    }
962
963    private void cancel(String tag, int id) {
964        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
965        try {
966            notificationManager.cancel(tag, id);
967        } catch (RuntimeException e) {
968            Log.d(Config.LOGTAG, "unable to cancel notification", e);
969        }
970    }
971}