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.Ringtone;
  16import android.media.RingtoneManager;
  17import android.net.Uri;
  18import android.os.Build;
  19import android.os.SystemClock;
  20import android.os.Vibrator;
  21import android.preference.PreferenceManager;
  22import android.text.SpannableString;
  23import android.text.style.StyleSpan;
  24import android.util.DisplayMetrics;
  25import android.util.Log;
  26
  27import androidx.annotation.RequiresApi;
  28import androidx.core.app.NotificationCompat;
  29import androidx.core.app.NotificationCompat.BigPictureStyle;
  30import androidx.core.app.NotificationCompat.Builder;
  31import androidx.core.app.NotificationManagerCompat;
  32import androidx.core.app.Person;
  33import androidx.core.app.RemoteInput;
  34import androidx.core.content.ContextCompat;
  35import androidx.core.graphics.drawable.IconCompat;
  36
  37import com.google.common.base.Strings;
  38import com.google.common.collect.Iterables;
  39
  40import java.io.File;
  41import java.io.IOException;
  42import java.util.ArrayList;
  43import java.util.Calendar;
  44import java.util.Collections;
  45import java.util.HashMap;
  46import java.util.Iterator;
  47import java.util.LinkedHashMap;
  48import java.util.List;
  49import java.util.Map;
  50import java.util.Set;
  51import java.util.concurrent.Executors;
  52import java.util.concurrent.ScheduledExecutorService;
  53import java.util.concurrent.ScheduledFuture;
  54import java.util.concurrent.TimeUnit;
  55import java.util.concurrent.atomic.AtomicInteger;
  56import java.util.regex.Matcher;
  57import java.util.regex.Pattern;
  58
  59import eu.siacs.conversations.Config;
  60import eu.siacs.conversations.R;
  61import eu.siacs.conversations.entities.Account;
  62import eu.siacs.conversations.entities.Contact;
  63import eu.siacs.conversations.entities.Conversation;
  64import eu.siacs.conversations.entities.Conversational;
  65import eu.siacs.conversations.entities.Message;
  66import eu.siacs.conversations.persistance.FileBackend;
  67import eu.siacs.conversations.ui.ConversationsActivity;
  68import eu.siacs.conversations.ui.EditAccountActivity;
  69import eu.siacs.conversations.ui.RtpSessionActivity;
  70import eu.siacs.conversations.ui.TimePreference;
  71import eu.siacs.conversations.utils.AccountUtils;
  72import eu.siacs.conversations.utils.Compatibility;
  73import eu.siacs.conversations.utils.GeoHelper;
  74import eu.siacs.conversations.utils.TorServiceUtils;
  75import eu.siacs.conversations.utils.UIHelper;
  76import eu.siacs.conversations.xmpp.XmppConnection;
  77import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  78import eu.siacs.conversations.xmpp.jingle.Media;
  79
  80public class NotificationService {
  81
  82    private static final ScheduledExecutorService SCHEDULED_EXECUTOR_SERVICE = Executors.newSingleThreadScheduledExecutor();
  83
  84    public static final Object CATCHUP_LOCK = new Object();
  85
  86    private static final int LED_COLOR = 0xff00ff00;
  87
  88    private static final long[] CALL_PATTERN = {0, 500, 300, 600};
  89
  90    private static final String MESSAGES_GROUP = "eu.siacs.conversations.messages";
  91    private static final String MISSED_CALLS_GROUP = "eu.siacs.conversations.missed_calls";
  92    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
  93    static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
  94    private static final int NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 2;
  95    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
  96    private static final int INCOMING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 8;
  97    public static final int ONGOING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 10;
  98    private static final int DELIVERY_FAILED_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 12;
  99    public static final int MISSED_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 14;
 100    private final XmppConnectionService mXmppConnectionService;
 101    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
 102    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
 103    private final LinkedHashMap<Conversational, MissedCallsInfo> mMissedCalls = new LinkedHashMap<>();
 104    private Conversation mOpenConversation;
 105    private boolean mIsInForeground;
 106    private long mLastNotification;
 107
 108    private static final String INCOMING_CALLS_NOTIFICATION_CHANNEL = "incoming_calls_channel";
 109    private Ringtone currentlyPlayingRingtone = null;
 110    private ScheduledFuture<?> vibrationFuture;
 111
 112    NotificationService(final XmppConnectionService service) {
 113        this.mXmppConnectionService = service;
 114    }
 115
 116    private static boolean displaySnoozeAction(List<Message> messages) {
 117        int numberOfMessagesWithoutReply = 0;
 118        for (Message message : messages) {
 119            if (message.getStatus() == Message.STATUS_RECEIVED) {
 120                ++numberOfMessagesWithoutReply;
 121            } else {
 122                return false;
 123            }
 124        }
 125        return numberOfMessagesWithoutReply >= 3;
 126    }
 127
 128    public static Pattern generateNickHighlightPattern(final String nick) {
 129        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "(?=\\s|$|\\p{Punct})");
 130    }
 131
 132    private static boolean isImageMessage(Message message) {
 133        return message.getType() != Message.TYPE_TEXT
 134                && message.getTransferable() == null
 135                && !message.isDeleted()
 136                && message.getEncryption() != Message.ENCRYPTION_PGP
 137                && message.getFileParams().height > 0;
 138    }
 139
 140    @RequiresApi(api = Build.VERSION_CODES.O)
 141    void initializeChannels() {
 142        final Context c = mXmppConnectionService;
 143        final NotificationManager notificationManager = c.getSystemService(NotificationManager.class);
 144        if (notificationManager == null) {
 145            return;
 146        }
 147
 148        notificationManager.deleteNotificationChannel("export");
 149        notificationManager.deleteNotificationChannel("incoming_calls");
 150
 151        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("status", c.getString(R.string.notification_group_status_information)));
 152        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("chats", c.getString(R.string.notification_group_messages)));
 153        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("calls", c.getString(R.string.notification_group_calls)));
 154        final NotificationChannel foregroundServiceChannel = new NotificationChannel("foreground",
 155                c.getString(R.string.foreground_service_channel_name),
 156                NotificationManager.IMPORTANCE_MIN);
 157        foregroundServiceChannel.setDescription(c.getString(R.string.foreground_service_channel_description, c.getString(R.string.app_name)));
 158        foregroundServiceChannel.setShowBadge(false);
 159        foregroundServiceChannel.setGroup("status");
 160        notificationManager.createNotificationChannel(foregroundServiceChannel);
 161        final NotificationChannel errorChannel = new NotificationChannel("error",
 162                c.getString(R.string.error_channel_name),
 163                NotificationManager.IMPORTANCE_LOW);
 164        errorChannel.setDescription(c.getString(R.string.error_channel_description));
 165        errorChannel.setShowBadge(false);
 166        errorChannel.setGroup("status");
 167        notificationManager.createNotificationChannel(errorChannel);
 168
 169        final NotificationChannel videoCompressionChannel = new NotificationChannel("compression",
 170                c.getString(R.string.video_compression_channel_name),
 171                NotificationManager.IMPORTANCE_LOW);
 172        videoCompressionChannel.setShowBadge(false);
 173        videoCompressionChannel.setGroup("status");
 174        notificationManager.createNotificationChannel(videoCompressionChannel);
 175
 176        final NotificationChannel exportChannel = new NotificationChannel("backup",
 177                c.getString(R.string.backup_channel_name),
 178                NotificationManager.IMPORTANCE_LOW);
 179        exportChannel.setShowBadge(false);
 180        exportChannel.setGroup("status");
 181        notificationManager.createNotificationChannel(exportChannel);
 182
 183        final NotificationChannel incomingCallsChannel = new NotificationChannel(INCOMING_CALLS_NOTIFICATION_CHANNEL,
 184                c.getString(R.string.incoming_calls_channel_name),
 185                NotificationManager.IMPORTANCE_HIGH);
 186        incomingCallsChannel.setSound(null, null);
 187        incomingCallsChannel.setShowBadge(false);
 188        incomingCallsChannel.setLightColor(LED_COLOR);
 189        incomingCallsChannel.enableLights(true);
 190        incomingCallsChannel.setGroup("calls");
 191        incomingCallsChannel.setBypassDnd(true);
 192        incomingCallsChannel.enableVibration(false);
 193        notificationManager.createNotificationChannel(incomingCallsChannel);
 194
 195        final NotificationChannel ongoingCallsChannel = new NotificationChannel("ongoing_calls",
 196                c.getString(R.string.ongoing_calls_channel_name),
 197                NotificationManager.IMPORTANCE_LOW);
 198        ongoingCallsChannel.setShowBadge(false);
 199        ongoingCallsChannel.setGroup("calls");
 200        notificationManager.createNotificationChannel(ongoingCallsChannel);
 201
 202        final NotificationChannel missedCallsChannel = new NotificationChannel("missed_calls",
 203                c.getString(R.string.missed_calls_channel_name),
 204                NotificationManager.IMPORTANCE_HIGH);
 205        missedCallsChannel.setShowBadge(true);
 206        missedCallsChannel.setSound(null, null);
 207        missedCallsChannel.setLightColor(LED_COLOR);
 208        missedCallsChannel.enableLights(true);
 209        missedCallsChannel.setGroup("calls");
 210        notificationManager.createNotificationChannel(missedCallsChannel);
 211
 212        final NotificationChannel messagesChannel = new NotificationChannel("messages",
 213                c.getString(R.string.messages_channel_name),
 214                NotificationManager.IMPORTANCE_HIGH);
 215        messagesChannel.setShowBadge(true);
 216        messagesChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 217                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 218                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 219                .build());
 220        messagesChannel.setLightColor(LED_COLOR);
 221        final int dat = 70;
 222        final long[] pattern = {0, 3 * dat, dat, dat};
 223        messagesChannel.setVibrationPattern(pattern);
 224        messagesChannel.enableVibration(true);
 225        messagesChannel.enableLights(true);
 226        messagesChannel.setGroup("chats");
 227        notificationManager.createNotificationChannel(messagesChannel);
 228        final NotificationChannel silentMessagesChannel = new NotificationChannel("silent_messages",
 229                c.getString(R.string.silent_messages_channel_name),
 230                NotificationManager.IMPORTANCE_LOW);
 231        silentMessagesChannel.setDescription(c.getString(R.string.silent_messages_channel_description));
 232        silentMessagesChannel.setShowBadge(true);
 233        silentMessagesChannel.setLightColor(LED_COLOR);
 234        silentMessagesChannel.enableLights(true);
 235        silentMessagesChannel.setGroup("chats");
 236        notificationManager.createNotificationChannel(silentMessagesChannel);
 237
 238        final NotificationChannel quietHoursChannel = new NotificationChannel("quiet_hours",
 239                c.getString(R.string.title_pref_quiet_hours),
 240                NotificationManager.IMPORTANCE_LOW);
 241        quietHoursChannel.setShowBadge(true);
 242        quietHoursChannel.setLightColor(LED_COLOR);
 243        quietHoursChannel.enableLights(true);
 244        quietHoursChannel.setGroup("chats");
 245        quietHoursChannel.enableVibration(false);
 246        quietHoursChannel.setSound(null, null);
 247
 248        notificationManager.createNotificationChannel(quietHoursChannel);
 249
 250        final NotificationChannel deliveryFailedChannel = new NotificationChannel("delivery_failed",
 251                c.getString(R.string.delivery_failed_channel_name),
 252                NotificationManager.IMPORTANCE_DEFAULT);
 253        deliveryFailedChannel.setShowBadge(false);
 254        deliveryFailedChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 255                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 256                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 257                .build());
 258        deliveryFailedChannel.setGroup("chats");
 259        notificationManager.createNotificationChannel(deliveryFailedChannel);
 260    }
 261
 262    private boolean notifyMessage(final Message message) {
 263        final Conversation conversation = (Conversation) message.getConversation();
 264        return message.getStatus() == Message.STATUS_RECEIVED
 265                && !conversation.isMuted()
 266                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
 267                && (!conversation.isWithStranger() || notificationsFromStrangers())
 268                && message.getType() != Message.TYPE_RTP_SESSION;
 269    }
 270
 271    private boolean notifyMissedCall(final Message message) {
 272        return message.getType() == Message.TYPE_RTP_SESSION
 273                && message.getStatus() == Message.STATUS_RECEIVED;
 274    }
 275
 276    public boolean notificationsFromStrangers() {
 277        return mXmppConnectionService.getBooleanPreference("notifications_from_strangers", R.bool.notifications_from_strangers);
 278    }
 279
 280    private boolean isQuietHours() {
 281        if (!mXmppConnectionService.getBooleanPreference("enable_quiet_hours", R.bool.enable_quiet_hours)) {
 282            return false;
 283        }
 284        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 285        final long startTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE));
 286        final long endTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE));
 287        final long nowTime = Calendar.getInstance().getTimeInMillis();
 288
 289        if (endTime < startTime) {
 290            return nowTime > startTime || nowTime < endTime;
 291        } else {
 292            return nowTime > startTime && nowTime < endTime;
 293        }
 294    }
 295
 296    public void pushFromBacklog(final Message message) {
 297        if (notifyMessage(message)) {
 298            synchronized (notifications) {
 299                getBacklogMessageCounter((Conversation) message.getConversation()).incrementAndGet();
 300                pushToStack(message);
 301            }
 302        } else if (notifyMissedCall(message)) {
 303            synchronized (mMissedCalls) {
 304                pushMissedCall(message);
 305            }
 306        }
 307    }
 308
 309    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
 310        synchronized (mBacklogMessageCounter) {
 311            if (!mBacklogMessageCounter.containsKey(conversation)) {
 312                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
 313            }
 314            return mBacklogMessageCounter.get(conversation);
 315        }
 316    }
 317
 318    void pushFromDirectReply(final Message message) {
 319        synchronized (notifications) {
 320            pushToStack(message);
 321            updateNotification(false);
 322        }
 323    }
 324
 325    public void finishBacklog(boolean notify, Account account) {
 326        synchronized (notifications) {
 327            mXmppConnectionService.updateUnreadCountBadge();
 328            if (account == null || !notify) {
 329                updateNotification(notify);
 330            } else {
 331                final int count;
 332                final List<String> conversations;
 333                synchronized (this.mBacklogMessageCounter) {
 334                    conversations = getBacklogConversations(account);
 335                    count = getBacklogMessageCount(account);
 336                }
 337                updateNotification(count > 0, conversations);
 338            }
 339        }
 340        synchronized (mMissedCalls) {
 341            updateMissedCallNotifications(mMissedCalls.keySet());
 342        }
 343    }
 344
 345    private List<String> getBacklogConversations(Account account) {
 346        final List<String> conversations = new ArrayList<>();
 347        for (Map.Entry<Conversation, AtomicInteger> entry : mBacklogMessageCounter.entrySet()) {
 348            if (entry.getKey().getAccount() == account) {
 349                conversations.add(entry.getKey().getUuid());
 350            }
 351        }
 352        return conversations;
 353    }
 354
 355    private int getBacklogMessageCount(Account account) {
 356        int count = 0;
 357        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
 358            Map.Entry<Conversation, AtomicInteger> entry = it.next();
 359            if (entry.getKey().getAccount() == account) {
 360                count += entry.getValue().get();
 361                it.remove();
 362            }
 363        }
 364        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
 365        return count;
 366    }
 367
 368    void finishBacklog(boolean notify) {
 369        finishBacklog(notify, null);
 370    }
 371
 372    private void pushToStack(final Message message) {
 373        final String conversationUuid = message.getConversationUuid();
 374        if (notifications.containsKey(conversationUuid)) {
 375            notifications.get(conversationUuid).add(message);
 376        } else {
 377            final ArrayList<Message> mList = new ArrayList<>();
 378            mList.add(message);
 379            notifications.put(conversationUuid, mList);
 380        }
 381    }
 382
 383    public void push(final Message message) {
 384        synchronized (CATCHUP_LOCK) {
 385            final XmppConnection connection = message.getConversation().getAccount().getXmppConnection();
 386            if (connection != null && connection.isWaitingForSmCatchup()) {
 387                connection.incrementSmCatchupMessageCounter();
 388                pushFromBacklog(message);
 389            } else {
 390                pushNow(message);
 391            }
 392        }
 393    }
 394
 395    public void pushFailedDelivery(final Message message) {
 396        final Conversation conversation = (Conversation) message.getConversation();
 397        final boolean isScreenLocked = !mXmppConnectionService.isScreenLocked();
 398        if (this.mIsInForeground && isScreenLocked && this.mOpenConversation == message.getConversation()) {
 399            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing failed delivery notification because conversation is open");
 400            return;
 401        }
 402        final PendingIntent pendingIntent = createContentIntent(conversation);
 403        final int notificationId = generateRequestCode(conversation, 0) + DELIVERY_FAILED_NOTIFICATION_ID;
 404        final int failedDeliveries = conversation.countFailedDeliveries();
 405        final Notification notification =
 406                new Builder(mXmppConnectionService, "delivery_failed")
 407                        .setContentTitle(conversation.getName())
 408                        .setAutoCancel(true)
 409                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 410                        .setContentText(mXmppConnectionService.getResources().getQuantityText(R.plurals.some_messages_could_not_be_delivered, failedDeliveries))
 411                        .setGroup("delivery_failed")
 412                        .setContentIntent(pendingIntent).build();
 413        final Notification summaryNotification =
 414                new Builder(mXmppConnectionService, "delivery_failed")
 415                        .setContentTitle(mXmppConnectionService.getString(R.string.failed_deliveries))
 416                        .setContentText(mXmppConnectionService.getResources().getQuantityText(R.plurals.some_messages_could_not_be_delivered, 1024))
 417                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 418                        .setGroup("delivery_failed")
 419                        .setGroupSummary(true)
 420                        .setAutoCancel(true)
 421                        .build();
 422        notify(notificationId, notification);
 423        notify(DELIVERY_FAILED_NOTIFICATION_ID, summaryNotification);
 424    }
 425
 426    public synchronized void startRinging(final AbstractJingleConnection.Id id, final Set<Media> media) {
 427        showIncomingCallNotification(id, media);
 428        final NotificationManager notificationManager = (NotificationManager) mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
 429        final int currentInterruptionFilter;
 430        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && notificationManager != null) {
 431            currentInterruptionFilter = notificationManager.getCurrentInterruptionFilter();
 432        } else {
 433            currentInterruptionFilter = 1; //INTERRUPTION_FILTER_ALL
 434        }
 435        if (currentInterruptionFilter != 1) {
 436            Log.d(Config.LOGTAG, "do not ring or vibrate because interruption filter has been set to " + currentInterruptionFilter);
 437            return;
 438        }
 439        final ScheduledFuture<?> currentVibrationFuture = this.vibrationFuture;
 440        this.vibrationFuture = SCHEDULED_EXECUTOR_SERVICE.scheduleAtFixedRate(
 441                new VibrationRunnable(),
 442                0,
 443                3,
 444                TimeUnit.SECONDS
 445        );
 446        if (currentVibrationFuture != null) {
 447            currentVibrationFuture.cancel(true);
 448        }
 449        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 450        final Resources resources = mXmppConnectionService.getResources();
 451        final String ringtonePreference = preferences.getString("call_ringtone", resources.getString(R.string.incoming_call_ringtone));
 452        if (Strings.isNullOrEmpty(ringtonePreference)) {
 453            Log.d(Config.LOGTAG, "ringtone has been set to none");
 454            return;
 455        }
 456        final Uri uri = Uri.parse(ringtonePreference);
 457        this.currentlyPlayingRingtone = RingtoneManager.getRingtone(mXmppConnectionService, uri);
 458        if (this.currentlyPlayingRingtone == null) {
 459            Log.d(Config.LOGTAG, "unable to find ringtone for uri " + uri);
 460            return;
 461        }
 462        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 463            this.currentlyPlayingRingtone.setLooping(true);
 464        }
 465        this.currentlyPlayingRingtone.play();
 466    }
 467
 468    private void showIncomingCallNotification(final AbstractJingleConnection.Id id, final Set<Media> media) {
 469        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 470        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 471        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 472        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 473        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 474        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 475        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, INCOMING_CALLS_NOTIFICATION_CHANNEL);
 476        if (media.contains(Media.VIDEO)) {
 477            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 478            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_video_call));
 479        } else {
 480            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 481            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_call));
 482        }
 483        final Contact contact = id.getContact();
 484        builder.setLargeIcon(mXmppConnectionService.getAvatarService().get(
 485                contact,
 486                AvatarService.getSystemUiAvatarSize(mXmppConnectionService))
 487        );
 488        final Uri systemAccount = contact.getSystemAccount();
 489        if (systemAccount != null) {
 490            builder.addPerson(systemAccount.toString());
 491        }
 492        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 493        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 494        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 495        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 496        PendingIntent pendingIntent = createPendingRtpSession(id, Intent.ACTION_VIEW, 101);
 497        builder.setFullScreenIntent(pendingIntent, true);
 498        builder.setContentIntent(pendingIntent); //old androids need this?
 499        builder.setOngoing(true);
 500        builder.addAction(new NotificationCompat.Action.Builder(
 501                R.drawable.ic_call_end_white_48dp,
 502                mXmppConnectionService.getString(R.string.dismiss_call),
 503                createCallAction(id.sessionId, XmppConnectionService.ACTION_DISMISS_CALL, 102))
 504                .build());
 505        builder.addAction(new NotificationCompat.Action.Builder(
 506                R.drawable.ic_call_white_24dp,
 507                mXmppConnectionService.getString(R.string.answer_call),
 508                createPendingRtpSession(id, RtpSessionActivity.ACTION_ACCEPT_CALL, 103))
 509                .build());
 510        modifyIncomingCall(builder);
 511        final Notification notification = builder.build();
 512        notification.flags = notification.flags | Notification.FLAG_INSISTENT;
 513        notify(INCOMING_CALL_NOTIFICATION_ID, notification);
 514    }
 515
 516    public Notification getOngoingCallNotification(final XmppConnectionService.OngoingCall ongoingCall) {
 517        final AbstractJingleConnection.Id id = ongoingCall.id;
 518        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "ongoing_calls");
 519        if (ongoingCall.media.contains(Media.VIDEO)) {
 520            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 521            if (ongoingCall.reconnecting) {
 522                builder.setContentTitle(mXmppConnectionService.getString(R.string.reconnecting_video_call));
 523            } else {
 524                builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_video_call));
 525            }
 526        } else {
 527            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 528            if (ongoingCall.reconnecting) {
 529                builder.setContentTitle(mXmppConnectionService.getString(R.string.reconnecting_call));
 530            } else {
 531                builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_call));
 532            }
 533        }
 534        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 535        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 536        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 537        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 538        builder.setContentIntent(createPendingRtpSession(id, Intent.ACTION_VIEW, 101));
 539        builder.setOngoing(true);
 540        builder.addAction(new NotificationCompat.Action.Builder(
 541                R.drawable.ic_call_end_white_48dp,
 542                mXmppConnectionService.getString(R.string.hang_up),
 543                createCallAction(id.sessionId, XmppConnectionService.ACTION_END_CALL, 104))
 544                .build());
 545        return builder.build();
 546    }
 547
 548    private PendingIntent createPendingRtpSession(final AbstractJingleConnection.Id id, final String action, final int requestCode) {
 549        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 550        fullScreenIntent.setAction(action);
 551        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 552        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 553        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 554        return PendingIntent.getActivity(mXmppConnectionService, requestCode, fullScreenIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 555    }
 556
 557    public void cancelIncomingCallNotification() {
 558        stopSoundAndVibration();
 559        cancel(INCOMING_CALL_NOTIFICATION_ID);
 560    }
 561
 562    public boolean stopSoundAndVibration() {
 563        int stopped = 0;
 564        if (this.currentlyPlayingRingtone != null) {
 565            if (this.currentlyPlayingRingtone.isPlaying()) {
 566                Log.d(Config.LOGTAG, "stop playing ring tone");
 567                ++stopped;
 568            }
 569            this.currentlyPlayingRingtone.stop();
 570        }
 571        if (this.vibrationFuture != null && !this.vibrationFuture.isCancelled()) {
 572            Log.d(Config.LOGTAG, "stop vibration");
 573            this.vibrationFuture.cancel(true);
 574            ++stopped;
 575        }
 576        return stopped > 0;
 577    }
 578
 579    public static void cancelIncomingCallNotification(final Context context) {
 580        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
 581        try {
 582            notificationManager.cancel(INCOMING_CALL_NOTIFICATION_ID);
 583        } catch (RuntimeException e) {
 584            Log.d(Config.LOGTAG, "unable to cancel incoming call notification after crash", e);
 585        }
 586    }
 587
 588    private void pushNow(final Message message) {
 589        mXmppConnectionService.updateUnreadCountBadge();
 590        if (!notifyMessage(message)) {
 591            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
 592            return;
 593        }
 594        final boolean isScreenLocked = mXmppConnectionService.isScreenLocked();
 595        if (this.mIsInForeground && !isScreenLocked && this.mOpenConversation == message.getConversation()) {
 596            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
 597            return;
 598        }
 599        synchronized (notifications) {
 600            pushToStack(message);
 601            final Conversational conversation = message.getConversation();
 602            final Account account = conversation.getAccount();
 603            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || isScreenLocked)
 604                    && !account.inGracePeriod()
 605                    && !this.inMiniGracePeriod(account);
 606            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
 607        }
 608    }
 609
 610    private void pushMissedCall(final Message message) {
 611        final Conversational conversation = message.getConversation();
 612        final MissedCallsInfo info = mMissedCalls.get(conversation);
 613        if (info == null) {
 614            mMissedCalls.put(conversation, new MissedCallsInfo(message.getTimeSent()));
 615        } else {
 616            info.newMissedCall(message.getTimeSent());
 617        }
 618    }
 619
 620    public void pushMissedCallNow(final Message message) {
 621        synchronized (mMissedCalls) {
 622            pushMissedCall(message);
 623            updateMissedCallNotifications(Collections.singleton(message.getConversation()));
 624        }
 625    }
 626
 627    public void clear(final Conversation conversation) {
 628        clearMessages(conversation);
 629        clearMissedCalls(conversation);
 630    }
 631
 632    public void clearMessages() {
 633        synchronized (notifications) {
 634            for (ArrayList<Message> messages : notifications.values()) {
 635                markAsReadIfHasDirectReply(messages);
 636            }
 637            notifications.clear();
 638            updateNotification(false);
 639        }
 640    }
 641
 642    public void clearMessages(final Conversation conversation) {
 643        synchronized (this.mBacklogMessageCounter) {
 644            this.mBacklogMessageCounter.remove(conversation);
 645        }
 646        synchronized (notifications) {
 647            markAsReadIfHasDirectReply(conversation);
 648            if (notifications.remove(conversation.getUuid()) != null) {
 649                cancel(conversation.getUuid(), NOTIFICATION_ID);
 650                updateNotification(false, null, true);
 651            }
 652        }
 653    }
 654
 655    public void clearMissedCalls() {
 656        synchronized (mMissedCalls) {
 657            for (final Conversational conversation : mMissedCalls.keySet()) {
 658                cancel(conversation.getUuid(), MISSED_CALL_NOTIFICATION_ID);
 659            }
 660            mMissedCalls.clear();
 661            updateMissedCallNotifications(null);
 662        }
 663    }
 664
 665    public void clearMissedCalls(final Conversation conversation) {
 666        synchronized (mMissedCalls) {
 667            if (mMissedCalls.remove(conversation) != null) {
 668                cancel(conversation.getUuid(), MISSED_CALL_NOTIFICATION_ID);
 669                updateMissedCallNotifications(null);
 670            }
 671        }
 672    }
 673
 674    private void markAsReadIfHasDirectReply(final Conversation conversation) {
 675        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
 676    }
 677
 678    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
 679        if (messages != null && messages.size() > 0) {
 680            Message last = messages.get(messages.size() - 1);
 681            if (last.getStatus() != Message.STATUS_RECEIVED) {
 682                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
 683                    mXmppConnectionService.updateConversationUi();
 684                }
 685            }
 686        }
 687    }
 688
 689    private void setNotificationColor(final Builder mBuilder) {
 690        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.perpy));
 691    }
 692
 693    public void updateNotification() {
 694        synchronized (notifications) {
 695            updateNotification(false);
 696        }
 697    }
 698
 699    private void updateNotification(final boolean notify) {
 700        updateNotification(notify, null, false);
 701    }
 702
 703    private void updateNotification(final boolean notify, final List<String> conversations) {
 704        updateNotification(notify, conversations, false);
 705    }
 706
 707    private void updateNotification(final boolean notify, final List<String> conversations, final boolean summaryOnly) {
 708        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 709
 710        final boolean quiteHours = isQuietHours();
 711
 712        final boolean notifyOnlyOneChild = notify && conversations != null && conversations.size() == 1; //if this check is changed to > 0 catchup messages will create one notification per conversation
 713
 714
 715        if (notifications.size() == 0) {
 716            cancel(NOTIFICATION_ID);
 717        } else {
 718            if (notify) {
 719                this.markLastNotification();
 720            }
 721            final Builder mBuilder;
 722            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 723                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify, quiteHours);
 724                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 725                notify(NOTIFICATION_ID, mBuilder.build());
 726            } else {
 727                mBuilder = buildMultipleConversation(notify, quiteHours);
 728                if (notifyOnlyOneChild) {
 729                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 730                }
 731                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 732                if (!summaryOnly) {
 733                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
 734                        String uuid = entry.getKey();
 735                        final boolean notifyThis = notifyOnlyOneChild ? conversations.contains(uuid) : notify;
 736                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notifyThis, quiteHours);
 737                        if (!notifyOnlyOneChild) {
 738                            singleBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY);
 739                        }
 740                        modifyForSoundVibrationAndLight(singleBuilder, notifyThis, quiteHours, preferences);
 741                        singleBuilder.setGroup(MESSAGES_GROUP);
 742                        setNotificationColor(singleBuilder);
 743                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
 744                    }
 745                }
 746                notify(NOTIFICATION_ID, mBuilder.build());
 747            }
 748        }
 749    }
 750
 751    private void updateMissedCallNotifications(final Set<Conversational> update) {
 752        if (mMissedCalls.isEmpty()) {
 753            cancel(MISSED_CALL_NOTIFICATION_ID);
 754            return;
 755        }
 756        if (mMissedCalls.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 757            final Conversational conversation = mMissedCalls.keySet().iterator().next();
 758            final MissedCallsInfo info = mMissedCalls.values().iterator().next();
 759            final Notification notification = missedCall(conversation, info);
 760            notify(MISSED_CALL_NOTIFICATION_ID, notification);
 761        } else {
 762            final Notification summary = missedCallsSummary();
 763            notify(MISSED_CALL_NOTIFICATION_ID, summary);
 764            if (update != null) {
 765                for (final Conversational conversation : update) {
 766                    final MissedCallsInfo info = mMissedCalls.get(conversation);
 767                    if (info != null) {
 768                        final Notification notification = missedCall(conversation, info);
 769                        notify(conversation.getUuid(), MISSED_CALL_NOTIFICATION_ID, notification);
 770                    }
 771                }
 772            }
 773        }
 774    }
 775
 776    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, boolean quietHours, SharedPreferences preferences) {
 777        final Resources resources = mXmppConnectionService.getResources();
 778        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
 779        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
 780        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 781        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
 782        if (notify && !quietHours) {
 783            if (vibrate) {
 784                final int dat = 70;
 785                final long[] pattern = {0, 3 * dat, dat, dat};
 786                mBuilder.setVibrate(pattern);
 787            } else {
 788                mBuilder.setVibrate(new long[]{0});
 789            }
 790            Uri uri = Uri.parse(ringtone);
 791            try {
 792                mBuilder.setSound(fixRingtoneUri(uri));
 793            } catch (SecurityException e) {
 794                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
 795            }
 796        } else {
 797            mBuilder.setLocalOnly(true);
 798        }
 799        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 800            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
 801        }
 802        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
 803        setNotificationColor(mBuilder);
 804        mBuilder.setDefaults(0);
 805        if (led) {
 806            mBuilder.setLights(LED_COLOR, 2000, 3000);
 807        }
 808    }
 809
 810    private void modifyIncomingCall(final Builder mBuilder) {
 811        mBuilder.setPriority(NotificationCompat.PRIORITY_HIGH);
 812        setNotificationColor(mBuilder);
 813        mBuilder.setLights(LED_COLOR, 2000, 3000);
 814    }
 815
 816    private Uri fixRingtoneUri(Uri uri) {
 817        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
 818            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
 819        } else {
 820            return uri;
 821        }
 822    }
 823
 824    private Notification missedCallsSummary() {
 825        final Builder publicBuilder = buildMissedCallsSummary(true);
 826        final Builder builder = buildMissedCallsSummary(false);
 827        builder.setPublicVersion(publicBuilder.build());
 828        return builder.build();
 829    }
 830
 831    private Builder buildMissedCallsSummary(boolean publicVersion) {
 832        final Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "missed_calls");
 833        int totalCalls = 0;
 834        final StringBuilder names = new StringBuilder();
 835        long lastTime = 0;
 836        for (Map.Entry<Conversational, MissedCallsInfo> entry : mMissedCalls.entrySet()) {
 837            final Conversational conversation = entry.getKey();
 838            final MissedCallsInfo missedCallsInfo = entry.getValue();
 839            names.append(conversation.getContact().getDisplayName());
 840            names.append(", ");
 841            totalCalls += missedCallsInfo.getNumberOfCalls();
 842            lastTime = Math.max(lastTime, missedCallsInfo.getLastTime());
 843        }
 844        if (names.length() >= 2) {
 845            names.delete(names.length() - 2, names.length());
 846        }
 847        final String title = (totalCalls == 1) ? mXmppConnectionService.getString(R.string.missed_call) :
 848                             (mMissedCalls.size() == 1) ? mXmppConnectionService.getString(R.string.n_missed_calls, totalCalls) :
 849                             mXmppConnectionService.getString(R.string.n_missed_calls_from_m_contacts, totalCalls, mMissedCalls.size());
 850        builder.setContentTitle(title);
 851        builder.setTicker(title);
 852        if (!publicVersion) {
 853            builder.setContentText(names.toString());
 854        }
 855        builder.setSmallIcon(R.drawable.ic_missed_call_notification);
 856        builder.setGroupSummary(true);
 857        builder.setGroup(MISSED_CALLS_GROUP);
 858        builder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 859        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 860        builder.setWhen(lastTime);
 861        if (!mMissedCalls.isEmpty()) {
 862            final Conversational firstConversation = mMissedCalls.keySet().iterator().next();
 863            builder.setContentIntent(createContentIntent(firstConversation));
 864        }
 865        builder.setDeleteIntent(createMissedCallsDeleteIntent(null));
 866        modifyMissedCall(builder);
 867        return builder;
 868    }
 869
 870    private Notification missedCall(final Conversational conversation, final MissedCallsInfo info) {
 871        final Builder publicBuilder = buildMissedCall(conversation, info, true);
 872        final Builder builder = buildMissedCall(conversation, info, false);
 873        builder.setPublicVersion(publicBuilder.build());
 874        return builder.build();
 875    }
 876
 877    private Builder buildMissedCall(final Conversational conversation, final MissedCallsInfo info, boolean publicVersion) {
 878        final Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "missed_calls");
 879        final String title = (info.getNumberOfCalls() == 1) ? mXmppConnectionService.getString(R.string.missed_call) :
 880                                                              mXmppConnectionService.getString(R.string.n_missed_calls, info.getNumberOfCalls());
 881        builder.setContentTitle(title);
 882        final String name = conversation.getContact().getDisplayName();
 883        if (publicVersion) {
 884            builder.setTicker(title);
 885        } else {
 886            if (info.getNumberOfCalls() == 1) {
 887                builder.setTicker(mXmppConnectionService.getString(R.string.missed_call_from_x, name));
 888            } else {
 889                builder.setTicker(mXmppConnectionService.getString(R.string.n_missed_calls_from_x, info.getNumberOfCalls(), name));
 890            }
 891            builder.setContentText(name);
 892        }
 893        builder.setSmallIcon(R.drawable.ic_missed_call_notification);
 894        builder.setGroup(MISSED_CALLS_GROUP);
 895        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 896        builder.setWhen(info.getLastTime());
 897        builder.setContentIntent(createContentIntent(conversation));
 898        builder.setDeleteIntent(createMissedCallsDeleteIntent(conversation));
 899        if (!publicVersion && conversation instanceof Conversation) {
 900            builder.setLargeIcon(mXmppConnectionService.getAvatarService()
 901                    .get((Conversation) conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 902        }
 903        modifyMissedCall(builder);
 904        return builder;
 905    }
 906
 907    private void modifyMissedCall(final Builder builder) {
 908        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 909        final Resources resources = mXmppConnectionService.getResources();
 910        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 911        if (led) {
 912            builder.setLights(LED_COLOR, 2000, 3000);
 913        }
 914        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 915        builder.setSound(null);
 916        setNotificationColor(builder);
 917    }
 918
 919    private Builder buildMultipleConversation(final boolean notify, final boolean quietHours) {
 920        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 921        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 922        style.setBigContentTitle(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size()));
 923        final StringBuilder names = new StringBuilder();
 924        Conversation conversation = null;
 925        for (final ArrayList<Message> messages : notifications.values()) {
 926            if (messages.size() > 0) {
 927                conversation = (Conversation) messages.get(0).getConversation();
 928                final String name = conversation.getName().toString();
 929                SpannableString styledString;
 930                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 931                    int count = messages.size();
 932                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 933                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 934                    style.addLine(styledString);
 935                } else {
 936                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
 937                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 938                    style.addLine(styledString);
 939                }
 940                names.append(name);
 941                names.append(", ");
 942            }
 943        }
 944        if (names.length() >= 2) {
 945            names.delete(names.length() - 2, names.length());
 946        }
 947        final String contentTitle = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size());
 948        mBuilder.setContentTitle(contentTitle);
 949        mBuilder.setTicker(contentTitle);
 950        mBuilder.setContentText(names.toString());
 951        mBuilder.setStyle(style);
 952        if (conversation != null) {
 953            mBuilder.setContentIntent(createContentIntent(conversation));
 954        }
 955        mBuilder.setGroupSummary(true);
 956        mBuilder.setGroup(MESSAGES_GROUP);
 957        mBuilder.setDeleteIntent(createDeleteIntent(null));
 958        mBuilder.setSmallIcon(R.drawable.ic_notification);
 959        return mBuilder;
 960    }
 961
 962    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify, final boolean quietHours) {
 963        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 964        if (messages.size() >= 1) {
 965            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 966            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
 967                    .get(conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 968            mBuilder.setContentTitle(conversation.getName());
 969            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 970                int count = messages.size();
 971                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 972            } else {
 973                Message message;
 974                //TODO starting with Android 9 we might want to put images in MessageStyle
 975                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P && (message = getImage(messages)) != null) {
 976                    modifyForImage(mBuilder, message, messages);
 977                } else {
 978                    modifyForTextOnly(mBuilder, messages);
 979                }
 980                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
 981                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
 982                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
 983                        R.drawable.ic_drafts_white_24dp,
 984                        mXmppConnectionService.getString(R.string.mark_as_read),
 985                        markAsReadPendingIntent)
 986                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_MARK_AS_READ)
 987                        .setShowsUserInterface(false)
 988                        .build();
 989                final String replyLabel = mXmppConnectionService.getString(R.string.reply);
 990                final String lastMessageUuid = Iterables.getLast(messages).getUuid();
 991                final NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
 992                        R.drawable.ic_send_text_offline,
 993                        replyLabel,
 994                        createReplyIntent(conversation, lastMessageUuid, false))
 995                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
 996                        .setShowsUserInterface(false)
 997                        .addRemoteInput(remoteInput).build();
 998                final NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
 999                        replyLabel,
1000                        createReplyIntent(conversation, lastMessageUuid, true)).addRemoteInput(remoteInput).build();
1001                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
1002                int addedActionsCount = 1;
1003                mBuilder.addAction(markReadAction);
1004                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1005                    mBuilder.addAction(replyAction);
1006                    ++addedActionsCount;
1007                }
1008
1009                if (displaySnoozeAction(messages)) {
1010                    String label = mXmppConnectionService.getString(R.string.snooze);
1011                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
1012                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
1013                            R.drawable.ic_notifications_paused_white_24dp,
1014                            label,
1015                            pendingSnoozeIntent).build();
1016                    mBuilder.addAction(snoozeAction);
1017                    ++addedActionsCount;
1018                }
1019                if (addedActionsCount < 3) {
1020                    final Message firstLocationMessage = getFirstLocationMessage(messages);
1021                    if (firstLocationMessage != null) {
1022                        final PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
1023                        if (pendingShowLocationIntent != null) {
1024                            final String label = mXmppConnectionService.getResources().getString(R.string.show_location);
1025                            NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
1026                                    R.drawable.ic_room_white_24dp,
1027                                    label,
1028                                    pendingShowLocationIntent).build();
1029                            mBuilder.addAction(locationAction);
1030                            ++addedActionsCount;
1031                        }
1032                    }
1033                }
1034                if (addedActionsCount < 3) {
1035                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
1036                    if (firstDownloadableMessage != null) {
1037                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
1038                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
1039                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
1040                                R.drawable.ic_file_download_white_24dp,
1041                                label,
1042                                pendingDownloadIntent).build();
1043                        mBuilder.addAction(downloadAction);
1044                        ++addedActionsCount;
1045                    }
1046                }
1047            }
1048            if (conversation.getMode() == Conversation.MODE_SINGLE) {
1049                Contact contact = conversation.getContact();
1050                Uri systemAccount = contact.getSystemAccount();
1051                if (systemAccount != null) {
1052                    mBuilder.addPerson(systemAccount.toString());
1053                }
1054            }
1055            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
1056            mBuilder.setSmallIcon(R.drawable.ic_notification);
1057            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
1058            mBuilder.setContentIntent(createContentIntent(conversation));
1059        }
1060        return mBuilder;
1061    }
1062
1063    private void modifyForImage(final Builder builder, final Message message, final ArrayList<Message> messages) {
1064        try {
1065            final Bitmap bitmap = mXmppConnectionService.getFileBackend().getThumbnailBitmap(message, mXmppConnectionService.getResources(), getPixel(288), false);
1066            final ArrayList<Message> tmp = new ArrayList<>();
1067            for (final Message msg : messages) {
1068                if (msg.getType() == Message.TYPE_TEXT
1069                        && msg.getTransferable() == null) {
1070                    tmp.add(msg);
1071                }
1072            }
1073            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
1074            bigPictureStyle.bigPicture(bitmap);
1075            if (tmp.size() > 0) {
1076                CharSequence text = getMergedBodies(tmp);
1077                bigPictureStyle.setSummaryText(text);
1078                builder.setContentText(text);
1079                builder.setTicker(text);
1080            } else {
1081                final String description = UIHelper.getFileDescriptionString(mXmppConnectionService, message);
1082                builder.setContentText(description);
1083                builder.setTicker(description);
1084            }
1085            builder.setStyle(bigPictureStyle);
1086        } catch (final IOException e) {
1087            modifyForTextOnly(builder, messages);
1088        }
1089    }
1090
1091    private Person getPerson(Message message) {
1092        final Contact contact = message.getContact();
1093        final Person.Builder builder = new Person.Builder();
1094        if (contact != null) {
1095            builder.setName(contact.getDisplayName());
1096            final Uri uri = contact.getSystemAccount();
1097            if (uri != null) {
1098                builder.setUri(uri.toString());
1099            }
1100        } else {
1101            builder.setName(UIHelper.getMessageDisplayName(message));
1102        }
1103        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
1104            builder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(message, AvatarService.getSystemUiAvatarSize(mXmppConnectionService), false)));
1105        }
1106        return builder.build();
1107    }
1108
1109    private void modifyForTextOnly(final Builder builder, final ArrayList<Message> messages) {
1110        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1111            final Conversation conversation = (Conversation) messages.get(0).getConversation();
1112            final Person.Builder meBuilder = new Person.Builder().setName(mXmppConnectionService.getString(R.string.me));
1113            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
1114                meBuilder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(conversation.getAccount(), AvatarService.getSystemUiAvatarSize(mXmppConnectionService))));
1115            }
1116            final Person me = meBuilder.build();
1117            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(me);
1118            final boolean multiple = conversation.getMode() == Conversation.MODE_MULTI;
1119            if (multiple) {
1120                messagingStyle.setConversationTitle(conversation.getName());
1121            }
1122            for (Message message : messages) {
1123                final Person sender = message.getStatus() == Message.STATUS_RECEIVED ? getPerson(message) : null;
1124                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && isImageMessage(message)) {
1125                    final Uri dataUri = FileBackend.getMediaUri(mXmppConnectionService, mXmppConnectionService.getFileBackend().getFile(message));
1126                    NotificationCompat.MessagingStyle.Message imageMessage = new NotificationCompat.MessagingStyle.Message(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
1127                    if (dataUri != null) {
1128                        imageMessage.setData(message.getMimeType(), dataUri);
1129                    }
1130                    messagingStyle.addMessage(imageMessage);
1131                } else {
1132                    messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
1133                }
1134            }
1135            messagingStyle.setGroupConversation(multiple);
1136            builder.setStyle(messagingStyle);
1137        } else {
1138            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
1139                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
1140                final CharSequence preview = UIHelper.getMessagePreview(mXmppConnectionService, messages.get(messages.size() - 1)).first;
1141                builder.setContentText(preview);
1142                builder.setTicker(preview);
1143                builder.setNumber(messages.size());
1144            } else {
1145                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
1146                SpannableString styledString;
1147                for (Message message : messages) {
1148                    final String name = UIHelper.getMessageDisplayName(message);
1149                    styledString = new SpannableString(name + ": " + message.getBody());
1150                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
1151                    style.addLine(styledString);
1152                }
1153                builder.setStyle(style);
1154                int count = messages.size();
1155                if (count == 1) {
1156                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
1157                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
1158                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
1159                    builder.setContentText(styledString);
1160                    builder.setTicker(styledString);
1161                } else {
1162                    final String text = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count);
1163                    builder.setContentText(text);
1164                    builder.setTicker(text);
1165                }
1166            }
1167        }
1168    }
1169
1170    private Message getImage(final Iterable<Message> messages) {
1171        Message image = null;
1172        for (final Message message : messages) {
1173            if (message.getStatus() != Message.STATUS_RECEIVED) {
1174                return null;
1175            }
1176            if (isImageMessage(message)) {
1177                image = message;
1178            }
1179        }
1180        return image;
1181    }
1182
1183    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
1184        for (final Message message : messages) {
1185            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
1186                return message;
1187            }
1188        }
1189        return null;
1190    }
1191
1192    private Message getFirstLocationMessage(final Iterable<Message> messages) {
1193        for (final Message message : messages) {
1194            if (message.isGeoUri()) {
1195                return message;
1196            }
1197        }
1198        return null;
1199    }
1200
1201    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
1202        final StringBuilder text = new StringBuilder();
1203        for (Message message : messages) {
1204            if (text.length() != 0) {
1205                text.append("\n");
1206            }
1207            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
1208        }
1209        return text.toString();
1210    }
1211
1212    private PendingIntent createShowLocationIntent(final Message message) {
1213        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
1214        for (Intent intent : intents) {
1215            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
1216                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1217            }
1218        }
1219        return null;
1220    }
1221
1222    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
1223        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
1224        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1225        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
1226        if (downloadMessageUuid != null) {
1227            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
1228            return PendingIntent.getActivity(mXmppConnectionService,
1229                    generateRequestCode(conversationUuid, 8),
1230                    viewConversationIntent,
1231                    PendingIntent.FLAG_UPDATE_CURRENT);
1232        } else {
1233            return PendingIntent.getActivity(mXmppConnectionService,
1234                    generateRequestCode(conversationUuid, 10),
1235                    viewConversationIntent,
1236                    PendingIntent.FLAG_UPDATE_CURRENT);
1237        }
1238    }
1239
1240    private int generateRequestCode(String uuid, int actionId) {
1241        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
1242    }
1243
1244    private int generateRequestCode(Conversational conversation, int actionId) {
1245        return generateRequestCode(conversation.getUuid(), actionId);
1246    }
1247
1248    private PendingIntent createDownloadIntent(final Message message) {
1249        return createContentIntent(message.getConversationUuid(), message.getUuid());
1250    }
1251
1252    private PendingIntent createContentIntent(final Conversational conversation) {
1253        return createContentIntent(conversation.getUuid(), null);
1254    }
1255
1256    private PendingIntent createDeleteIntent(Conversation conversation) {
1257        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1258        intent.setAction(XmppConnectionService.ACTION_CLEAR_MESSAGE_NOTIFICATION);
1259        if (conversation != null) {
1260            intent.putExtra("uuid", conversation.getUuid());
1261            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
1262        }
1263        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
1264    }
1265
1266    private PendingIntent createMissedCallsDeleteIntent(final Conversational conversation) {
1267        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1268        intent.setAction(XmppConnectionService.ACTION_CLEAR_MISSED_CALL_NOTIFICATION);
1269        if (conversation != null) {
1270            intent.putExtra("uuid", conversation.getUuid());
1271            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 21), intent, 0);
1272        }
1273        return PendingIntent.getService(mXmppConnectionService, 1, intent, 0);
1274    }
1275
1276    private PendingIntent createReplyIntent(final Conversation conversation, final String lastMessageUuid, final boolean dismissAfterReply) {
1277        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1278        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
1279        intent.putExtra("uuid", conversation.getUuid());
1280        intent.putExtra("dismiss_notification", dismissAfterReply);
1281        intent.putExtra("last_message_uuid", lastMessageUuid);
1282        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
1283        return PendingIntent.getService(mXmppConnectionService, id, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1284    }
1285
1286    private PendingIntent createReadPendingIntent(Conversation conversation) {
1287        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1288        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
1289        intent.putExtra("uuid", conversation.getUuid());
1290        intent.setPackage(mXmppConnectionService.getPackageName());
1291        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1292    }
1293
1294    private PendingIntent createCallAction(String sessionId, final String action, int requestCode) {
1295        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1296        intent.setAction(action);
1297        intent.setPackage(mXmppConnectionService.getPackageName());
1298        intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, sessionId);
1299        return PendingIntent.getService(mXmppConnectionService, requestCode, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1300    }
1301
1302    private PendingIntent createSnoozeIntent(Conversation conversation) {
1303        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1304        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
1305        intent.putExtra("uuid", conversation.getUuid());
1306        intent.setPackage(mXmppConnectionService.getPackageName());
1307        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1308    }
1309
1310    private PendingIntent createTryAgainIntent() {
1311        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1312        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
1313        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
1314    }
1315
1316    private PendingIntent createDismissErrorIntent() {
1317        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1318        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
1319        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
1320    }
1321
1322    private boolean wasHighlightedOrPrivate(final Message message) {
1323        if (message.getConversation() instanceof Conversation) {
1324            Conversation conversation = (Conversation) message.getConversation();
1325            final String nick = conversation.getMucOptions().getActualNick();
1326            final Pattern highlight = generateNickHighlightPattern(nick);
1327            if (message.getBody() == null || nick == null) {
1328                return false;
1329            }
1330            final Matcher m = highlight.matcher(message.getBody());
1331            return (m.find() || message.isPrivateMessage());
1332        } else {
1333            return false;
1334        }
1335    }
1336
1337    public void setOpenConversation(final Conversation conversation) {
1338        this.mOpenConversation = conversation;
1339    }
1340
1341    public void setIsInForeground(final boolean foreground) {
1342        this.mIsInForeground = foreground;
1343    }
1344
1345    private int getPixel(final int dp) {
1346        final DisplayMetrics metrics = mXmppConnectionService.getResources()
1347                .getDisplayMetrics();
1348        return ((int) (dp * metrics.density));
1349    }
1350
1351    private void markLastNotification() {
1352        this.mLastNotification = SystemClock.elapsedRealtime();
1353    }
1354
1355    private boolean inMiniGracePeriod(final Account account) {
1356        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
1357                : Config.MINI_GRACE_PERIOD * 2;
1358        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
1359    }
1360
1361    Notification createForegroundNotification() {
1362        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1363        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.app_name));
1364        final List<Account> accounts = mXmppConnectionService.getAccounts();
1365        int enabled = 0;
1366        int connected = 0;
1367        if (accounts != null) {
1368            for (Account account : accounts) {
1369                if (account.isOnlineAndConnected()) {
1370                    connected++;
1371                    enabled++;
1372                } else if (account.isEnabled()) {
1373                    enabled++;
1374                }
1375            }
1376        }
1377        mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
1378        final PendingIntent openIntent = createOpenConversationsIntent();
1379        if (openIntent != null) {
1380            mBuilder.setContentIntent(openIntent);
1381        }
1382        mBuilder.setWhen(0);
1383        mBuilder.setPriority(Notification.PRIORITY_MIN);
1384        mBuilder.setSmallIcon(connected > 0 ? R.drawable.ic_link_white_24dp : R.drawable.ic_link_off_white_24dp);
1385
1386        if (Compatibility.runsTwentySix()) {
1387            mBuilder.setChannelId("foreground");
1388        }
1389
1390
1391        return mBuilder.build();
1392    }
1393
1394    private PendingIntent createOpenConversationsIntent() {
1395        try {
1396            return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
1397        } catch (RuntimeException e) {
1398            return null;
1399        }
1400    }
1401
1402    void updateErrorNotification() {
1403        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
1404            cancel(ERROR_NOTIFICATION_ID);
1405            return;
1406        }
1407        final boolean showAllErrors = QuickConversationsService.isConversations();
1408        final List<Account> errors = new ArrayList<>();
1409        boolean torNotAvailable = false;
1410        for (final Account account : mXmppConnectionService.getAccounts()) {
1411            if (account.hasErrorStatus() && account.showErrorNotification() && (showAllErrors || account.getLastErrorStatus() == Account.State.UNAUTHORIZED)) {
1412                errors.add(account);
1413                torNotAvailable |= account.getStatus() == Account.State.TOR_NOT_AVAILABLE;
1414            }
1415        }
1416        if (mXmppConnectionService.foregroundNotificationNeedsUpdatingWhenErrorStateChanges()) {
1417            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
1418        }
1419        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1420        if (errors.size() == 0) {
1421            cancel(ERROR_NOTIFICATION_ID);
1422            return;
1423        } else if (errors.size() == 1) {
1424            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
1425            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toEscapedString());
1426        } else {
1427            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
1428            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
1429        }
1430        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
1431                mXmppConnectionService.getString(R.string.try_again),
1432                createTryAgainIntent()
1433        );
1434        if (torNotAvailable) {
1435            if (TorServiceUtils.isOrbotInstalled(mXmppConnectionService)) {
1436                mBuilder.addAction(
1437                        R.drawable.ic_play_circle_filled_white_48dp,
1438                        mXmppConnectionService.getString(R.string.start_orbot),
1439                        PendingIntent.getActivity(mXmppConnectionService, 147, TorServiceUtils.LAUNCH_INTENT, 0)
1440                );
1441            } else {
1442                mBuilder.addAction(
1443                        R.drawable.ic_file_download_white_24dp,
1444                        mXmppConnectionService.getString(R.string.install_orbot),
1445                        PendingIntent.getActivity(mXmppConnectionService, 146, TorServiceUtils.INSTALL_INTENT, 0)
1446                );
1447            }
1448        }
1449        mBuilder.setDeleteIntent(createDismissErrorIntent());
1450        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
1451            mBuilder.setVisibility(Notification.VISIBILITY_PRIVATE);
1452            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
1453        } else {
1454            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
1455        }
1456        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
1457            mBuilder.setLocalOnly(true);
1458        }
1459        mBuilder.setPriority(Notification.PRIORITY_LOW);
1460        final Intent intent;
1461        if (AccountUtils.MANAGE_ACCOUNT_ACTIVITY != null) {
1462            intent = new Intent(mXmppConnectionService, AccountUtils.MANAGE_ACCOUNT_ACTIVITY);
1463        } else {
1464            intent = new Intent(mXmppConnectionService, EditAccountActivity.class);
1465            intent.putExtra("jid", errors.get(0).getJid().asBareJid().toEscapedString());
1466            intent.putExtra(EditAccountActivity.EXTRA_OPENED_FROM_NOTIFICATION, true);
1467        }
1468        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService, 145, intent, PendingIntent.FLAG_UPDATE_CURRENT));
1469        if (Compatibility.runsTwentySix()) {
1470            mBuilder.setChannelId("error");
1471        }
1472        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
1473    }
1474
1475    void updateFileAddingNotification(int current, Message message) {
1476        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1477        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
1478        mBuilder.setProgress(100, current, false);
1479        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
1480        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
1481        mBuilder.setOngoing(true);
1482        if (Compatibility.runsTwentySix()) {
1483            mBuilder.setChannelId("compression");
1484        }
1485        Notification notification = mBuilder.build();
1486        notify(FOREGROUND_NOTIFICATION_ID, notification);
1487    }
1488
1489    private void notify(String tag, int id, Notification notification) {
1490        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1491        try {
1492            notificationManager.notify(tag, id, notification);
1493        } catch (RuntimeException e) {
1494            Log.d(Config.LOGTAG, "unable to make notification", e);
1495        }
1496    }
1497
1498    public void notify(int id, Notification notification) {
1499        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1500        try {
1501            notificationManager.notify(id, notification);
1502        } catch (RuntimeException e) {
1503            Log.d(Config.LOGTAG, "unable to make notification", e);
1504        }
1505    }
1506
1507    public void cancel(int id) {
1508        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1509        try {
1510            notificationManager.cancel(id);
1511        } catch (RuntimeException e) {
1512            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1513        }
1514    }
1515
1516    private void cancel(String tag, int id) {
1517        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1518        try {
1519            notificationManager.cancel(tag, id);
1520        } catch (RuntimeException e) {
1521            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1522        }
1523    }
1524
1525    private class VibrationRunnable implements Runnable {
1526
1527        @Override
1528        public void run() {
1529            final Vibrator vibrator = (Vibrator) mXmppConnectionService.getSystemService(Context.VIBRATOR_SERVICE);
1530            vibrator.vibrate(CALL_PATTERN, -1);
1531			}
1532		}
1533
1534    private static class MissedCallsInfo {
1535        private int numberOfCalls;
1536        private long lastTime;
1537
1538        MissedCallsInfo(final long time) {
1539            numberOfCalls = 1;
1540            lastTime = time;
1541        }
1542
1543        public void newMissedCall(final long time) {
1544            ++numberOfCalls;
1545            lastTime = time;
1546        }
1547
1548        public int getNumberOfCalls() {
1549            return numberOfCalls;
1550        }
1551
1552        public long getLastTime() {
1553            return lastTime;
1554        }
1555    }
1556}