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.graphics.drawable.Icon;
  15import android.media.AudioAttributes;
  16import android.media.RingtoneManager;
  17import android.net.Uri;
  18import android.os.Build;
  19import android.os.SystemClock;
  20import android.preference.PreferenceManager;
  21import android.support.annotation.RequiresApi;
  22import android.support.v4.app.NotificationCompat;
  23import android.support.v4.app.NotificationCompat.BigPictureStyle;
  24import android.support.v4.app.NotificationCompat.Builder;
  25import android.support.v4.app.NotificationManagerCompat;
  26import android.support.v4.app.NotificationCompat.CarExtender.UnreadConversation;
  27import android.support.v4.app.Person;
  28import android.support.v4.app.RemoteInput;
  29import android.support.v4.content.ContextCompat;
  30import android.support.v4.graphics.drawable.IconCompat;
  31import android.text.SpannableString;
  32import android.text.style.StyleSpan;
  33import android.util.DisplayMetrics;
  34import android.util.Log;
  35import android.util.Pair;
  36
  37import java.io.File;
  38import java.io.IOException;
  39import java.util.ArrayList;
  40import java.util.Calendar;
  41import java.util.Collections;
  42import java.util.HashMap;
  43import java.util.Iterator;
  44import java.util.LinkedHashMap;
  45import java.util.List;
  46import java.util.Map;
  47import java.util.concurrent.atomic.AtomicInteger;
  48import java.util.regex.Matcher;
  49import java.util.regex.Pattern;
  50
  51import eu.siacs.conversations.Config;
  52import eu.siacs.conversations.R;
  53import eu.siacs.conversations.entities.Account;
  54import eu.siacs.conversations.entities.Contact;
  55import eu.siacs.conversations.entities.Conversation;
  56import eu.siacs.conversations.entities.Conversational;
  57import eu.siacs.conversations.entities.Message;
  58import eu.siacs.conversations.persistance.FileBackend;
  59import eu.siacs.conversations.ui.ConversationsActivity;
  60import eu.siacs.conversations.ui.EditAccountActivity;
  61import eu.siacs.conversations.ui.TimePreference;
  62import eu.siacs.conversations.utils.AccountUtils;
  63import eu.siacs.conversations.utils.Compatibility;
  64import eu.siacs.conversations.utils.GeoHelper;
  65import eu.siacs.conversations.utils.UIHelper;
  66import eu.siacs.conversations.xmpp.XmppConnection;
  67import rocks.xmpp.addr.Jid;
  68
  69public class NotificationService {
  70
  71    public static final Object CATCHUP_LOCK = new Object();
  72
  73    private static final int LED_COLOR = 0xff00ff00;
  74
  75    private static final String CONVERSATIONS_GROUP = "eu.siacs.conversations";
  76    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
  77    private static final int NOTIFICATION_ID = 2 * NOTIFICATION_ID_MULTIPLIER;
  78    static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
  79    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
  80    private final XmppConnectionService mXmppConnectionService;
  81    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
  82    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
  83    private Conversation mOpenConversation;
  84    private boolean mIsInForeground;
  85    private long mLastNotification;
  86
  87    NotificationService(final XmppConnectionService service) {
  88        this.mXmppConnectionService = service;
  89    }
  90
  91    private static boolean displaySnoozeAction(List<Message> messages) {
  92        int numberOfMessagesWithoutReply = 0;
  93        for (Message message : messages) {
  94            if (message.getStatus() == Message.STATUS_RECEIVED) {
  95                ++numberOfMessagesWithoutReply;
  96            } else {
  97                return false;
  98            }
  99        }
 100        return numberOfMessagesWithoutReply >= 3;
 101    }
 102
 103    public static Pattern generateNickHighlightPattern(final String nick) {
 104        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "(?=\\s|$|\\p{Punct})");
 105    }
 106
 107    @RequiresApi(api = Build.VERSION_CODES.O)
 108    void initializeChannels() {
 109        final Context c = mXmppConnectionService;
 110        final NotificationManager notificationManager = c.getSystemService(NotificationManager.class);
 111        if (notificationManager == null) {
 112            return;
 113        }
 114
 115        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("status", c.getString(R.string.notification_group_status_information)));
 116        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("chats", c.getString(R.string.notification_group_messages)));
 117        final NotificationChannel foregroundServiceChannel = new NotificationChannel("foreground",
 118                c.getString(R.string.foreground_service_channel_name),
 119                NotificationManager.IMPORTANCE_MIN);
 120        foregroundServiceChannel.setDescription(c.getString(R.string.foreground_service_channel_description));
 121        foregroundServiceChannel.setShowBadge(false);
 122        foregroundServiceChannel.setGroup("status");
 123        notificationManager.createNotificationChannel(foregroundServiceChannel);
 124        final NotificationChannel errorChannel = new NotificationChannel("error",
 125                c.getString(R.string.error_channel_name),
 126                NotificationManager.IMPORTANCE_LOW);
 127        errorChannel.setDescription(c.getString(R.string.error_channel_description));
 128        errorChannel.setShowBadge(false);
 129        errorChannel.setGroup("status");
 130        notificationManager.createNotificationChannel(errorChannel);
 131
 132        final NotificationChannel videoCompressionChannel = new NotificationChannel("compression",
 133                c.getString(R.string.video_compression_channel_name),
 134                NotificationManager.IMPORTANCE_LOW);
 135        videoCompressionChannel.setShowBadge(false);
 136        videoCompressionChannel.setGroup("status");
 137        notificationManager.createNotificationChannel(videoCompressionChannel);
 138
 139        final NotificationChannel exportChannel = new NotificationChannel("export",
 140                c.getString(R.string.export_channel_name),
 141                NotificationManager.IMPORTANCE_LOW);
 142        exportChannel.setShowBadge(false);
 143        exportChannel.setGroup("status");
 144        notificationManager.createNotificationChannel(exportChannel);
 145
 146        final NotificationChannel messagesChannel = new NotificationChannel("messages",
 147                c.getString(R.string.messages_channel_name),
 148                NotificationManager.IMPORTANCE_HIGH);
 149        messagesChannel.setShowBadge(true);
 150        messagesChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 151                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 152                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 153                .build());
 154        messagesChannel.setLightColor(LED_COLOR);
 155        final int dat = 70;
 156        final long[] pattern = {0, 3 * dat, dat, dat};
 157        messagesChannel.setVibrationPattern(pattern);
 158        messagesChannel.enableVibration(true);
 159        messagesChannel.enableLights(true);
 160        messagesChannel.setGroup("chats");
 161        notificationManager.createNotificationChannel(messagesChannel);
 162        final NotificationChannel silentMessagesChannel = new NotificationChannel("silent_messages",
 163                c.getString(R.string.silent_messages_channel_name),
 164                NotificationManager.IMPORTANCE_LOW);
 165        silentMessagesChannel.setDescription(c.getString(R.string.silent_messages_channel_description));
 166        silentMessagesChannel.setShowBadge(true);
 167        silentMessagesChannel.setLightColor(LED_COLOR);
 168        silentMessagesChannel.enableLights(true);
 169        silentMessagesChannel.setGroup("chats");
 170        notificationManager.createNotificationChannel(silentMessagesChannel);
 171
 172        final NotificationChannel quietHoursChannel = new NotificationChannel("quiet_hours",
 173                c.getString(R.string.title_pref_quiet_hours),
 174                NotificationManager.IMPORTANCE_LOW);
 175        quietHoursChannel.setShowBadge(true);
 176        quietHoursChannel.setLightColor(LED_COLOR);
 177        quietHoursChannel.enableLights(true);
 178        quietHoursChannel.setGroup("chats");
 179        quietHoursChannel.enableVibration(false);
 180        quietHoursChannel.setSound(null, null);
 181
 182        notificationManager.createNotificationChannel(quietHoursChannel);
 183    }
 184
 185    public boolean notify(final Message message) {
 186        final Conversation conversation = (Conversation) message.getConversation();
 187        return message.getStatus() == Message.STATUS_RECEIVED
 188                && !conversation.isMuted()
 189                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
 190                && (!conversation.isWithStranger() || notificationsFromStrangers());
 191    }
 192
 193    private boolean notificationsFromStrangers() {
 194        return mXmppConnectionService.getBooleanPreference("notifications_from_strangers", R.bool.notifications_from_strangers);
 195    }
 196
 197    private boolean isQuietHours() {
 198        if (!mXmppConnectionService.getBooleanPreference("enable_quiet_hours", R.bool.enable_quiet_hours)) {
 199            return false;
 200        }
 201        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 202        final long startTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE));
 203        final long endTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE));
 204        final long nowTime = Calendar.getInstance().getTimeInMillis();
 205
 206        if (endTime < startTime) {
 207            return nowTime > startTime || nowTime < endTime;
 208        } else {
 209            return nowTime > startTime && nowTime < endTime;
 210        }
 211    }
 212
 213    public void pushFromBacklog(final Message message) {
 214        if (notify(message)) {
 215            synchronized (notifications) {
 216                getBacklogMessageCounter((Conversation) message.getConversation()).incrementAndGet();
 217                pushToStack(message);
 218            }
 219        }
 220    }
 221
 222    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
 223        synchronized (mBacklogMessageCounter) {
 224            if (!mBacklogMessageCounter.containsKey(conversation)) {
 225                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
 226            }
 227            return mBacklogMessageCounter.get(conversation);
 228        }
 229    }
 230
 231    void pushFromDirectReply(final Message message) {
 232        synchronized (notifications) {
 233            pushToStack(message);
 234            updateNotification(false);
 235        }
 236    }
 237
 238    public void finishBacklog(boolean notify, Account account) {
 239        synchronized (notifications) {
 240            mXmppConnectionService.updateUnreadCountBadge();
 241            if (account == null || !notify) {
 242                updateNotification(notify);
 243            } else {
 244                final int count;
 245                final List<String> conversations;
 246                synchronized (this.mBacklogMessageCounter) {
 247                    conversations = getBacklogConversations(account);
 248                    count = getBacklogMessageCount(account);
 249                }
 250                updateNotification(count > 0, conversations);
 251            }
 252        }
 253    }
 254
 255    private List<String> getBacklogConversations(Account account) {
 256        final List<String> conversations = new ArrayList<>();
 257        for (Map.Entry<Conversation, AtomicInteger> entry : mBacklogMessageCounter.entrySet()) {
 258            if (entry.getKey().getAccount() == account) {
 259                conversations.add(entry.getKey().getUuid());
 260            }
 261        }
 262        return conversations;
 263    }
 264
 265    private int getBacklogMessageCount(Account account) {
 266        int count = 0;
 267        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
 268            Map.Entry<Conversation, AtomicInteger> entry = it.next();
 269            if (entry.getKey().getAccount() == account) {
 270                count += entry.getValue().get();
 271                it.remove();
 272            }
 273        }
 274        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
 275        return count;
 276    }
 277
 278    void finishBacklog(boolean notify) {
 279        finishBacklog(notify, null);
 280    }
 281
 282    private void pushToStack(final Message message) {
 283        final String conversationUuid = message.getConversationUuid();
 284        if (notifications.containsKey(conversationUuid)) {
 285            notifications.get(conversationUuid).add(message);
 286        } else {
 287            final ArrayList<Message> mList = new ArrayList<>();
 288            mList.add(message);
 289            notifications.put(conversationUuid, mList);
 290        }
 291    }
 292
 293    public void push(final Message message) {
 294        synchronized (CATCHUP_LOCK) {
 295            final XmppConnection connection = message.getConversation().getAccount().getXmppConnection();
 296            if (connection != null && connection.isWaitingForSmCatchup()) {
 297                connection.incrementSmCatchupMessageCounter();
 298                pushFromBacklog(message);
 299            } else {
 300                pushNow(message);
 301            }
 302        }
 303    }
 304
 305    private void pushNow(final Message message) {
 306        mXmppConnectionService.updateUnreadCountBadge();
 307        if (!notify(message)) {
 308            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
 309            return;
 310        }
 311        final boolean isScreenOn = mXmppConnectionService.isInteractive();
 312        if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) {
 313            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
 314            return;
 315        }
 316        synchronized (notifications) {
 317            pushToStack(message);
 318            final Conversational conversation = message.getConversation();
 319            final Account account = conversation.getAccount();
 320            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
 321                    && !account.inGracePeriod()
 322                    && !this.inMiniGracePeriod(account);
 323            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
 324        }
 325    }
 326
 327    public void clear() {
 328        synchronized (notifications) {
 329            for (ArrayList<Message> messages : notifications.values()) {
 330                markAsReadIfHasDirectReply(messages);
 331            }
 332            notifications.clear();
 333            updateNotification(false);
 334        }
 335    }
 336
 337    public void clear(final Conversation conversation) {
 338        synchronized (this.mBacklogMessageCounter) {
 339            this.mBacklogMessageCounter.remove(conversation);
 340        }
 341        synchronized (notifications) {
 342            markAsReadIfHasDirectReply(conversation);
 343            if (notifications.remove(conversation.getUuid()) != null) {
 344                cancel(conversation.getUuid(), NOTIFICATION_ID);
 345                updateNotification(false, null, true);
 346            }
 347        }
 348    }
 349
 350    private void markAsReadIfHasDirectReply(final Conversation conversation) {
 351        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
 352    }
 353
 354    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
 355        if (messages != null && messages.size() > 0) {
 356            Message last = messages.get(messages.size() - 1);
 357            if (last.getStatus() != Message.STATUS_RECEIVED) {
 358                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
 359                    mXmppConnectionService.updateConversationUi();
 360                }
 361            }
 362        }
 363    }
 364
 365    private void setNotificationColor(final Builder mBuilder) {
 366        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.green600));
 367    }
 368
 369    public void updateNotification(final boolean notify) {
 370        updateNotification(notify, null, false);
 371    }
 372
 373    private void updateNotification(final boolean notify, final List<String> conversations) {
 374        updateNotification(notify, conversations, false);
 375    }
 376
 377    private void updateNotification(final boolean notify, final List<String> conversations, final boolean summaryOnly) {
 378        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 379
 380        final boolean quiteHours = isQuietHours();
 381
 382        final boolean notifyOnlyOneChild = notify && conversations != null && conversations.size() == 1; //if this check is changed to > 0 catchup messages will create one notification per conversation
 383
 384
 385        if (notifications.size() == 0) {
 386            cancel(NOTIFICATION_ID);
 387        } else {
 388            if (notify) {
 389                this.markLastNotification();
 390            }
 391            final Builder mBuilder;
 392            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 393                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify, quiteHours);
 394                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 395                notify(NOTIFICATION_ID, mBuilder.build());
 396            } else {
 397                mBuilder = buildMultipleConversation(notify, quiteHours);
 398                if (notifyOnlyOneChild) {
 399                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 400                }
 401                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 402                if (!summaryOnly) {
 403                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
 404                        String uuid = entry.getKey();
 405                        final boolean notifyThis = notifyOnlyOneChild ? conversations.contains(uuid) : notify;
 406                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notifyThis, quiteHours);
 407                        if (!notifyOnlyOneChild) {
 408                            singleBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY);
 409                        }
 410                        modifyForSoundVibrationAndLight(singleBuilder, notifyThis, quiteHours, preferences);
 411                        singleBuilder.setGroup(CONVERSATIONS_GROUP);
 412                        setNotificationColor(singleBuilder);
 413                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
 414                    }
 415                }
 416                notify(NOTIFICATION_ID, mBuilder.build());
 417            }
 418        }
 419    }
 420
 421    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, boolean quietHours, SharedPreferences preferences) {
 422        final Resources resources = mXmppConnectionService.getResources();
 423        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
 424        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
 425        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 426        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
 427        if (notify && !quietHours) {
 428            if (vibrate) {
 429                final int dat = 70;
 430                final long[] pattern = {0, 3 * dat, dat, dat};
 431                mBuilder.setVibrate(pattern);
 432            } else {
 433                mBuilder.setVibrate(new long[]{0});
 434            }
 435            Uri uri = Uri.parse(ringtone);
 436            try {
 437                mBuilder.setSound(fixRingtoneUri(uri));
 438            } catch (SecurityException e) {
 439                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
 440            }
 441        }
 442        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 443            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
 444        }
 445        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
 446        setNotificationColor(mBuilder);
 447        mBuilder.setDefaults(0);
 448        if (led) {
 449            mBuilder.setLights(LED_COLOR, 2000, 3000);
 450        }
 451    }
 452
 453    private Uri fixRingtoneUri(Uri uri) {
 454        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
 455            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
 456        } else {
 457            return uri;
 458        }
 459    }
 460
 461    private Builder buildMultipleConversation(final boolean notify, final boolean quietHours) {
 462        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 463        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 464        style.setBigContentTitle(notifications.size()
 465                + " "
 466                + mXmppConnectionService
 467                .getString(R.string.unread_conversations));
 468        final StringBuilder names = new StringBuilder();
 469        Conversation conversation = null;
 470        for (final ArrayList<Message> messages : notifications.values()) {
 471            if (messages.size() > 0) {
 472                conversation = (Conversation) messages.get(0).getConversation();
 473                final String name = conversation.getName().toString();
 474                SpannableString styledString;
 475                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 476                    int count = messages.size();
 477                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 478                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 479                    style.addLine(styledString);
 480                } else {
 481                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
 482                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 483                    style.addLine(styledString);
 484                }
 485                names.append(name);
 486                names.append(", ");
 487            }
 488        }
 489        if (names.length() >= 2) {
 490            names.delete(names.length() - 2, names.length());
 491        }
 492        mBuilder.setContentTitle(notifications.size()
 493                + " "
 494                + mXmppConnectionService
 495                .getString(R.string.unread_conversations));
 496        mBuilder.setContentText(names.toString());
 497        mBuilder.setStyle(style);
 498        if (conversation != null) {
 499            mBuilder.setContentIntent(createContentIntent(conversation));
 500        }
 501        mBuilder.setGroupSummary(true);
 502        mBuilder.setGroup(CONVERSATIONS_GROUP);
 503        mBuilder.setDeleteIntent(createDeleteIntent(null));
 504        mBuilder.setSmallIcon(R.drawable.ic_notification);
 505        return mBuilder;
 506    }
 507
 508    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify, final boolean quietHours) {
 509        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 510        if (messages.size() >= 1) {
 511            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 512            final UnreadConversation.Builder mUnreadBuilder = new UnreadConversation.Builder(conversation.getName().toString());
 513            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
 514                    .get(conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 515            mBuilder.setContentTitle(conversation.getName());
 516            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 517                int count = messages.size();
 518                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 519            } else {
 520                Message message;
 521                //TODO starting with Android 9 we might want to put images in MessageStyle
 522                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P && (message = getImage(messages)) != null) {
 523                    modifyForImage(mBuilder, mUnreadBuilder, message, messages);
 524                } else {
 525                    modifyForTextOnly(mBuilder, mUnreadBuilder, messages);
 526                }
 527                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
 528                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
 529                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
 530                        R.drawable.ic_drafts_white_24dp,
 531                        mXmppConnectionService.getString(R.string.mark_as_read),
 532                        markAsReadPendingIntent).build();
 533                String replyLabel = mXmppConnectionService.getString(R.string.reply);
 534                NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
 535                        R.drawable.ic_send_text_offline,
 536                        replyLabel,
 537                        createReplyIntent(conversation, false)).addRemoteInput(remoteInput).build();
 538                NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
 539                        replyLabel,
 540                        createReplyIntent(conversation, true)).addRemoteInput(remoteInput).build();
 541                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
 542                mUnreadBuilder.setReplyAction(createReplyIntent(conversation, true), remoteInput);
 543                mUnreadBuilder.setReadPendingIntent(markAsReadPendingIntent);
 544                mBuilder.extend(new NotificationCompat.CarExtender().setUnreadConversation(mUnreadBuilder.build()));
 545                int addedActionsCount = 1;
 546                mBuilder.addAction(markReadAction);
 547                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 548                    mBuilder.addAction(replyAction);
 549                    ++addedActionsCount;
 550                }
 551
 552                if (displaySnoozeAction(messages)) {
 553                    String label = mXmppConnectionService.getString(R.string.snooze);
 554                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
 555                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
 556                            R.drawable.ic_notifications_paused_white_24dp,
 557                            label,
 558                            pendingSnoozeIntent).build();
 559                    mBuilder.addAction(snoozeAction);
 560                    ++addedActionsCount;
 561                }
 562                if (addedActionsCount < 3) {
 563                    final Message firstLocationMessage = getFirstLocationMessage(messages);
 564                    if (firstLocationMessage != null) {
 565                        String label = mXmppConnectionService.getResources().getString(R.string.show_location);
 566                        PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
 567                        NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
 568                                R.drawable.ic_room_white_24dp,
 569                                label,
 570                                pendingShowLocationIntent).build();
 571                        mBuilder.addAction(locationAction);
 572                        ++addedActionsCount;
 573                    }
 574                }
 575                if (addedActionsCount < 3) {
 576                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
 577                    if (firstDownloadableMessage != null) {
 578                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
 579                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
 580                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
 581                                R.drawable.ic_file_download_white_24dp,
 582                                label,
 583                                pendingDownloadIntent).build();
 584                        mBuilder.addAction(downloadAction);
 585                        ++addedActionsCount;
 586                    }
 587                }
 588            }
 589            if (conversation.getMode() == Conversation.MODE_SINGLE) {
 590                Contact contact = conversation.getContact();
 591                Uri systemAccount = contact.getSystemAccount();
 592                if (systemAccount != null) {
 593                    mBuilder.addPerson(systemAccount.toString());
 594                }
 595            }
 596            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
 597            mBuilder.setSmallIcon(R.drawable.ic_notification);
 598            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
 599            mBuilder.setContentIntent(createContentIntent(conversation));
 600        }
 601        return mBuilder;
 602    }
 603
 604    private void modifyForImage(final Builder builder, final UnreadConversation.Builder uBuilder,
 605                                final Message message, final ArrayList<Message> messages) {
 606        try {
 607            final Bitmap bitmap = mXmppConnectionService.getFileBackend().getThumbnail(message, getPixel(288), false);
 608            final ArrayList<Message> tmp = new ArrayList<>();
 609            for (final Message msg : messages) {
 610                if (msg.getType() == Message.TYPE_TEXT
 611                        && msg.getTransferable() == null) {
 612                    tmp.add(msg);
 613                }
 614            }
 615            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
 616            bigPictureStyle.bigPicture(bitmap);
 617            if (tmp.size() > 0) {
 618                CharSequence text = getMergedBodies(tmp);
 619                bigPictureStyle.setSummaryText(text);
 620                builder.setContentText(text);
 621            } else {
 622                builder.setContentText(UIHelper.getFileDescriptionString(mXmppConnectionService, message));
 623            }
 624            builder.setStyle(bigPictureStyle);
 625        } catch (final IOException e) {
 626            modifyForTextOnly(builder, uBuilder, messages);
 627        }
 628    }
 629
 630    private Person getPerson(Message message) {
 631        final Contact contact = message.getContact();
 632        final Person.Builder builder = new Person.Builder();
 633        if (contact != null) {
 634            builder.setName(contact.getDisplayName());
 635            final Uri uri = contact.getSystemAccount();
 636            if (uri != null) {
 637                builder.setUri(uri.toString());
 638            }
 639        } else {
 640            builder.setName(UIHelper.getMessageDisplayName(message));
 641        }
 642        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 643            builder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(message, AvatarService.getSystemUiAvatarSize(mXmppConnectionService), false)));
 644        }
 645        return builder.build();
 646    }
 647
 648    private void modifyForTextOnly(final Builder builder, final UnreadConversation.Builder uBuilder, final ArrayList<Message> messages) {
 649        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 650            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 651            final Person.Builder meBuilder = new Person.Builder().setName(mXmppConnectionService.getString(R.string.me));
 652            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 653                meBuilder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(conversation.getAccount(), AvatarService.getSystemUiAvatarSize(mXmppConnectionService))));
 654            }
 655            final Person me = meBuilder.build();
 656            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(me);
 657            final boolean multiple = conversation.getMode() == Conversation.MODE_MULTI;
 658            if (multiple) {
 659                messagingStyle.setConversationTitle(conversation.getName());
 660            }
 661            for (Message message : messages) {
 662                final Person sender = message.getStatus() == Message.STATUS_RECEIVED ? getPerson(message) : null;
 663                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && isImageMessage(message)) {
 664                    final Uri dataUri = FileBackend.getMediaUri(mXmppConnectionService,mXmppConnectionService.getFileBackend().getFile(message));
 665                    NotificationCompat.MessagingStyle.Message imageMessage = new NotificationCompat.MessagingStyle.Message(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 666                    if (dataUri != null) {
 667                        imageMessage.setData(message.getMimeType(), dataUri);
 668                    }
 669                    messagingStyle.addMessage(imageMessage);
 670                } else {
 671                    messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 672                }
 673            }
 674            messagingStyle.setGroupConversation(multiple);
 675            builder.setStyle(messagingStyle);
 676        } else {
 677            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
 678                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
 679                builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService, messages.get(messages.size()-1)).first);
 680                builder.setNumber(messages.size());
 681            } else {
 682                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 683                SpannableString styledString;
 684                for (Message message : messages) {
 685                    final String name = UIHelper.getMessageDisplayName(message);
 686                    styledString = new SpannableString(name + ": " + message.getBody());
 687                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 688                    style.addLine(styledString);
 689                }
 690                builder.setStyle(style);
 691                int count = messages.size();
 692                if (count == 1) {
 693                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
 694                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
 695                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 696                    builder.setContentText(styledString);
 697                } else {
 698                    builder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 699                }
 700            }
 701        }
 702        /** message preview for Android Auto **/
 703        for (Message message : messages) {
 704            Pair<CharSequence, Boolean> preview = UIHelper.getMessagePreview(mXmppConnectionService, message);
 705            // only show user written text
 706            if (!preview.second) {
 707                uBuilder.addMessage(preview.first.toString());
 708                uBuilder.setLatestTimestamp(message.getTimeSent());
 709            }
 710        }
 711    }
 712
 713    private Message getImage(final Iterable<Message> messages) {
 714        Message image = null;
 715        for (final Message message : messages) {
 716            if (message.getStatus() != Message.STATUS_RECEIVED) {
 717                return null;
 718            }
 719            if (isImageMessage(message)) {
 720                image = message;
 721            }
 722        }
 723        return image;
 724    }
 725
 726    private static boolean isImageMessage(Message message) {
 727        return message.getType() != Message.TYPE_TEXT
 728                && message.getTransferable() == null
 729                && message.getEncryption() != Message.ENCRYPTION_PGP
 730                && message.getFileParams().height > 0;
 731    }
 732
 733    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
 734        for (final Message message : messages) {
 735            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
 736                return message;
 737            }
 738        }
 739        return null;
 740    }
 741
 742    private Message getFirstLocationMessage(final Iterable<Message> messages) {
 743        for (final Message message : messages) {
 744            if (message.isGeoUri()) {
 745                return message;
 746            }
 747        }
 748        return null;
 749    }
 750
 751    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
 752        final StringBuilder text = new StringBuilder();
 753        for (Message message : messages) {
 754            if (text.length() != 0) {
 755                text.append("\n");
 756            }
 757            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
 758        }
 759        return text.toString();
 760    }
 761
 762    private PendingIntent createShowLocationIntent(final Message message) {
 763        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
 764        for (Intent intent : intents) {
 765            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
 766                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
 767            }
 768        }
 769        return createOpenConversationsIntent();
 770    }
 771
 772    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
 773        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
 774        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
 775        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
 776        if (downloadMessageUuid != null) {
 777            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
 778            return PendingIntent.getActivity(mXmppConnectionService,
 779                    generateRequestCode(conversationUuid, 8),
 780                    viewConversationIntent,
 781                    PendingIntent.FLAG_UPDATE_CURRENT);
 782        } else {
 783            return PendingIntent.getActivity(mXmppConnectionService,
 784                    generateRequestCode(conversationUuid, 10),
 785                    viewConversationIntent,
 786                    PendingIntent.FLAG_UPDATE_CURRENT);
 787        }
 788    }
 789
 790    private int generateRequestCode(String uuid, int actionId) {
 791        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
 792    }
 793
 794    private int generateRequestCode(Conversational conversation, int actionId) {
 795        return generateRequestCode(conversation.getUuid(), actionId);
 796    }
 797
 798    private PendingIntent createDownloadIntent(final Message message) {
 799        return createContentIntent(message.getConversationUuid(), message.getUuid());
 800    }
 801
 802    private PendingIntent createContentIntent(final Conversational conversation) {
 803        return createContentIntent(conversation.getUuid(), null);
 804    }
 805
 806    private PendingIntent createDeleteIntent(Conversation conversation) {
 807        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 808        intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
 809        if (conversation != null) {
 810            intent.putExtra("uuid", conversation.getUuid());
 811            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
 812        }
 813        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
 814    }
 815
 816    private PendingIntent createReplyIntent(Conversation conversation, boolean dismissAfterReply) {
 817        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 818        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
 819        intent.putExtra("uuid", conversation.getUuid());
 820        intent.putExtra("dismiss_notification", dismissAfterReply);
 821        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
 822        return PendingIntent.getService(mXmppConnectionService, id, intent, 0);
 823    }
 824
 825    private PendingIntent createReadPendingIntent(Conversation conversation) {
 826        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 827        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
 828        intent.putExtra("uuid", conversation.getUuid());
 829        intent.setPackage(mXmppConnectionService.getPackageName());
 830        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
 831    }
 832
 833    private PendingIntent createSnoozeIntent(Conversation conversation) {
 834        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 835        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
 836        intent.putExtra("uuid", conversation.getUuid());
 837        intent.setPackage(mXmppConnectionService.getPackageName());
 838        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
 839    }
 840
 841    private PendingIntent createTryAgainIntent() {
 842        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 843        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
 844        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
 845    }
 846
 847    private PendingIntent createDismissErrorIntent() {
 848        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 849        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
 850        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
 851    }
 852
 853    private boolean wasHighlightedOrPrivate(final Message message) {
 854        if (message.getConversation() instanceof Conversation) {
 855            Conversation conversation = (Conversation) message.getConversation();
 856            final String nick = conversation.getMucOptions().getActualNick();
 857            final Pattern highlight = generateNickHighlightPattern(nick);
 858            if (message.getBody() == null || nick == null) {
 859                return false;
 860            }
 861            final Matcher m = highlight.matcher(message.getBody());
 862            return (m.find() || message.getType() == Message.TYPE_PRIVATE);
 863        } else {
 864            return false;
 865        }
 866    }
 867
 868    public void setOpenConversation(final Conversation conversation) {
 869        this.mOpenConversation = conversation;
 870    }
 871
 872    public void setIsInForeground(final boolean foreground) {
 873        this.mIsInForeground = foreground;
 874    }
 875
 876    private int getPixel(final int dp) {
 877        final DisplayMetrics metrics = mXmppConnectionService.getResources()
 878                .getDisplayMetrics();
 879        return ((int) (dp * metrics.density));
 880    }
 881
 882    private void markLastNotification() {
 883        this.mLastNotification = SystemClock.elapsedRealtime();
 884    }
 885
 886    private boolean inMiniGracePeriod(final Account account) {
 887        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
 888                : Config.MINI_GRACE_PERIOD * 2;
 889        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
 890    }
 891
 892    Notification createForegroundNotification() {
 893        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
 894        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.app_name));
 895        if (Compatibility.runsAndTargetsTwentySix(mXmppConnectionService) || Config.SHOW_CONNECTED_ACCOUNTS) {
 896            List<Account> accounts = mXmppConnectionService.getAccounts();
 897            int enabled = 0;
 898            int connected = 0;
 899            for (Account account : accounts) {
 900                if (account.isOnlineAndConnected()) {
 901                    connected++;
 902                    enabled++;
 903                } else if (account.isEnabled()) {
 904                    enabled++;
 905                }
 906            }
 907            mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
 908        } else {
 909            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_open_conversations));
 910        }
 911        mBuilder.setContentIntent(createOpenConversationsIntent());
 912        mBuilder.setWhen(0);
 913        mBuilder.setPriority(Notification.PRIORITY_MIN);
 914        mBuilder.setSmallIcon(R.drawable.ic_link_white_24dp);
 915
 916        if (Compatibility.runsTwentySix()) {
 917            mBuilder.setChannelId("foreground");
 918        }
 919
 920
 921        return mBuilder.build();
 922    }
 923
 924    private PendingIntent createOpenConversationsIntent() {
 925        return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
 926    }
 927
 928    void updateErrorNotification() {
 929        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
 930            cancel(ERROR_NOTIFICATION_ID);
 931            return;
 932        }
 933        final boolean showAllErrors = QuickConversationsService.isConversations();
 934        final List<Account> errors = new ArrayList<>();
 935        for (final Account account : mXmppConnectionService.getAccounts()) {
 936            if (account.hasErrorStatus() && account.showErrorNotification() && (showAllErrors || account.getLastErrorStatus() == Account.State.UNAUTHORIZED)) {
 937                errors.add(account);
 938            }
 939        }
 940        if (mXmppConnectionService.foregroundNotificationNeedsUpdatingWhenErrorStateChanges()) {
 941            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
 942        }
 943        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
 944        if (errors.size() == 0) {
 945            cancel(ERROR_NOTIFICATION_ID);
 946            return;
 947        } else if (errors.size() == 1) {
 948            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
 949            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toString());
 950        } else {
 951            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
 952            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
 953        }
 954        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
 955                mXmppConnectionService.getString(R.string.try_again),
 956                createTryAgainIntent());
 957        mBuilder.setDeleteIntent(createDismissErrorIntent());
 958        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 959            mBuilder.setVisibility(NotificationCompat.VISIBILITY_PRIVATE);
 960            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
 961        } else {
 962            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
 963        }
 964        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
 965            mBuilder.setLocalOnly(true);
 966        }
 967        mBuilder.setPriority(Notification.PRIORITY_LOW);
 968        final Intent intent;
 969        if (AccountUtils.MANAGE_ACCOUNT_ACTIVITY != null) {
 970            intent = new Intent(mXmppConnectionService, AccountUtils.MANAGE_ACCOUNT_ACTIVITY);
 971        } else {
 972            intent = new Intent(mXmppConnectionService, EditAccountActivity.class);
 973            intent.putExtra("jid", errors.get(0).getJid().asBareJid().toEscapedString());
 974            intent.putExtra(EditAccountActivity.EXTRA_OPENED_FROM_NOTIFICATION, true);
 975        }
 976        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService, 145, intent, PendingIntent.FLAG_UPDATE_CURRENT));
 977        if (Compatibility.runsTwentySix()) {
 978            mBuilder.setChannelId("error");
 979        }
 980        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
 981    }
 982
 983    void updateFileAddingNotification(int current, Message message) {
 984        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
 985        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
 986        mBuilder.setProgress(100, current, false);
 987        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
 988        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
 989        mBuilder.setOngoing(true);
 990        if (Compatibility.runsTwentySix()) {
 991            mBuilder.setChannelId("compression");
 992        }
 993        Notification notification = mBuilder.build();
 994        notify(FOREGROUND_NOTIFICATION_ID, notification);
 995    }
 996
 997    void dismissForcedForegroundNotification() {
 998        cancel(FOREGROUND_NOTIFICATION_ID);
 999    }
1000
1001    private void notify(String tag, int id, Notification notification) {
1002        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1003        try {
1004            notificationManager.notify(tag, id, notification);
1005        } catch (RuntimeException e) {
1006            Log.d(Config.LOGTAG, "unable to make notification", e);
1007        }
1008    }
1009
1010    private void notify(int id, Notification notification) {
1011        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1012        try {
1013            notificationManager.notify(id, notification);
1014        } catch (RuntimeException e) {
1015            Log.d(Config.LOGTAG, "unable to make notification", e);
1016        }
1017    }
1018
1019    private void cancel(int id) {
1020        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1021        try {
1022            notificationManager.cancel(id);
1023        } catch (RuntimeException e) {
1024            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1025        }
1026    }
1027
1028    private void cancel(String tag, int id) {
1029        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1030        try {
1031            notificationManager.cancel(tag, id);
1032        } catch (RuntimeException e) {
1033            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1034        }
1035    }
1036}