1package eu.siacs.conversations.services;
   2
   3import android.Manifest;
   4import android.app.Notification;
   5import android.app.NotificationChannel;
   6import android.app.NotificationChannelGroup;
   7import android.app.NotificationManager;
   8import android.app.PendingIntent;
   9import android.content.Context;
  10import android.content.Intent;
  11import android.content.SharedPreferences;
  12import android.content.pm.PackageManager;
  13import android.content.res.Resources;
  14import android.graphics.Bitmap;
  15import android.graphics.Typeface;
  16import android.media.AudioAttributes;
  17import android.media.Ringtone;
  18import android.media.RingtoneManager;
  19import android.net.Uri;
  20import android.os.Build;
  21import android.os.Bundle;
  22import android.os.SystemClock;
  23import android.os.Vibrator;
  24import android.preference.PreferenceManager;
  25import android.telecom.PhoneAccountHandle;
  26import android.telecom.TelecomManager;
  27import android.text.SpannableString;
  28import android.text.style.StyleSpan;
  29import android.util.DisplayMetrics;
  30import android.util.Log;
  31import android.util.TypedValue;
  32
  33import androidx.annotation.RequiresApi;
  34import androidx.core.app.NotificationCompat;
  35import androidx.core.app.NotificationCompat.BigPictureStyle;
  36import androidx.core.app.NotificationCompat.Builder;
  37import androidx.core.app.NotificationManagerCompat;
  38import androidx.core.app.Person;
  39import androidx.core.app.RemoteInput;
  40import androidx.core.content.ContextCompat;
  41import androidx.core.graphics.drawable.IconCompat;
  42
  43import com.google.common.base.Strings;
  44import com.google.common.collect.Iterables;
  45
  46import java.io.File;
  47import java.io.IOException;
  48import java.util.ArrayList;
  49import java.util.Calendar;
  50import java.util.Collections;
  51import java.util.HashMap;
  52import java.util.Iterator;
  53import java.util.LinkedHashMap;
  54import java.util.List;
  55import java.util.Map;
  56import java.util.Set;
  57import java.util.concurrent.Executors;
  58import java.util.concurrent.ScheduledExecutorService;
  59import java.util.concurrent.ScheduledFuture;
  60import java.util.concurrent.TimeUnit;
  61import java.util.concurrent.atomic.AtomicInteger;
  62import java.util.regex.Matcher;
  63import java.util.regex.Pattern;
  64
  65import eu.siacs.conversations.Config;
  66import eu.siacs.conversations.R;
  67import eu.siacs.conversations.entities.Account;
  68import eu.siacs.conversations.entities.Contact;
  69import eu.siacs.conversations.entities.Conversation;
  70import eu.siacs.conversations.entities.Conversational;
  71import eu.siacs.conversations.entities.Message;
  72import eu.siacs.conversations.persistance.FileBackend;
  73import eu.siacs.conversations.ui.ConversationsActivity;
  74import eu.siacs.conversations.ui.EditAccountActivity;
  75import eu.siacs.conversations.ui.RtpSessionActivity;
  76import eu.siacs.conversations.ui.TimePreference;
  77import eu.siacs.conversations.utils.AccountUtils;
  78import eu.siacs.conversations.utils.Compatibility;
  79import eu.siacs.conversations.utils.GeoHelper;
  80import eu.siacs.conversations.utils.TorServiceUtils;
  81import eu.siacs.conversations.utils.UIHelper;
  82import eu.siacs.conversations.xmpp.XmppConnection;
  83import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  84import eu.siacs.conversations.xmpp.jingle.Media;
  85
  86public class NotificationService {
  87
  88    private static final ScheduledExecutorService SCHEDULED_EXECUTOR_SERVICE = Executors.newSingleThreadScheduledExecutor();
  89
  90    public static final Object CATCHUP_LOCK = new Object();
  91
  92    private static final int LED_COLOR = 0xff00ff00;
  93
  94    private static final long[] CALL_PATTERN = {0, 500, 300, 600};
  95
  96    private static final String MESSAGES_GROUP = "eu.siacs.conversations.messages";
  97    private static final String MISSED_CALLS_GROUP = "eu.siacs.conversations.missed_calls";
  98    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
  99    static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
 100    private static final int NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 2;
 101    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
 102    private static final int INCOMING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 8;
 103    public static final int ONGOING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 10;
 104    private static final int DELIVERY_FAILED_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 12;
 105    public static final int MISSED_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 14;
 106    private final XmppConnectionService mXmppConnectionService;
 107    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
 108    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
 109    private final LinkedHashMap<Conversational, MissedCallsInfo> mMissedCalls = new LinkedHashMap<>();
 110    private Conversation mOpenConversation;
 111    private boolean mIsInForeground;
 112    private long mLastNotification;
 113
 114    private static final String INCOMING_CALLS_NOTIFICATION_CHANNEL = "incoming_calls_channel";
 115    private Ringtone currentlyPlayingRingtone = null;
 116    private ScheduledFuture<?> vibrationFuture;
 117
 118    NotificationService(final XmppConnectionService service) {
 119        this.mXmppConnectionService = service;
 120    }
 121
 122    private static boolean displaySnoozeAction(List<Message> messages) {
 123        int numberOfMessagesWithoutReply = 0;
 124        for (Message message : messages) {
 125            if (message.getStatus() == Message.STATUS_RECEIVED) {
 126                ++numberOfMessagesWithoutReply;
 127            } else {
 128                return false;
 129            }
 130        }
 131        return numberOfMessagesWithoutReply >= 3;
 132    }
 133
 134    public static Pattern generateNickHighlightPattern(final String nick) {
 135        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "(?=\\s|$|\\p{Punct})");
 136    }
 137
 138    private static boolean isImageMessage(Message message) {
 139        return message.getType() != Message.TYPE_TEXT
 140                && message.getTransferable() == null
 141                && !message.isDeleted()
 142                && message.getEncryption() != Message.ENCRYPTION_PGP
 143                && message.getFileParams().height > 0;
 144    }
 145
 146    @RequiresApi(api = Build.VERSION_CODES.O)
 147    void initializeChannels() {
 148        final Context c = mXmppConnectionService;
 149        final NotificationManager notificationManager = c.getSystemService(NotificationManager.class);
 150        if (notificationManager == null) {
 151            return;
 152        }
 153
 154        notificationManager.deleteNotificationChannel("export");
 155        notificationManager.deleteNotificationChannel("incoming_calls");
 156
 157        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("status", c.getString(R.string.notification_group_status_information)));
 158        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("chats", c.getString(R.string.notification_group_messages)));
 159        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("calls", c.getString(R.string.notification_group_calls)));
 160        final NotificationChannel foregroundServiceChannel = new NotificationChannel("foreground",
 161                c.getString(R.string.foreground_service_channel_name),
 162                NotificationManager.IMPORTANCE_MIN);
 163        foregroundServiceChannel.setDescription(c.getString(R.string.foreground_service_channel_description, c.getString(R.string.app_name)));
 164        foregroundServiceChannel.setShowBadge(false);
 165        foregroundServiceChannel.setGroup("status");
 166        notificationManager.createNotificationChannel(foregroundServiceChannel);
 167        final NotificationChannel errorChannel = new NotificationChannel("error",
 168                c.getString(R.string.error_channel_name),
 169                NotificationManager.IMPORTANCE_LOW);
 170        errorChannel.setDescription(c.getString(R.string.error_channel_description));
 171        errorChannel.setShowBadge(false);
 172        errorChannel.setGroup("status");
 173        notificationManager.createNotificationChannel(errorChannel);
 174
 175        final NotificationChannel videoCompressionChannel = new NotificationChannel("compression",
 176                c.getString(R.string.video_compression_channel_name),
 177                NotificationManager.IMPORTANCE_LOW);
 178        videoCompressionChannel.setShowBadge(false);
 179        videoCompressionChannel.setGroup("status");
 180        notificationManager.createNotificationChannel(videoCompressionChannel);
 181
 182        final NotificationChannel exportChannel = new NotificationChannel("backup",
 183                c.getString(R.string.backup_channel_name),
 184                NotificationManager.IMPORTANCE_LOW);
 185        exportChannel.setShowBadge(false);
 186        exportChannel.setGroup("status");
 187        notificationManager.createNotificationChannel(exportChannel);
 188
 189        final NotificationChannel incomingCallsChannel = new NotificationChannel(INCOMING_CALLS_NOTIFICATION_CHANNEL,
 190                c.getString(R.string.incoming_calls_channel_name),
 191                NotificationManager.IMPORTANCE_HIGH);
 192        incomingCallsChannel.setSound(null, null);
 193        incomingCallsChannel.setShowBadge(false);
 194        incomingCallsChannel.setLightColor(LED_COLOR);
 195        incomingCallsChannel.enableLights(true);
 196        incomingCallsChannel.setGroup("calls");
 197        incomingCallsChannel.setBypassDnd(true);
 198        incomingCallsChannel.enableVibration(false);
 199        notificationManager.createNotificationChannel(incomingCallsChannel);
 200
 201        final NotificationChannel ongoingCallsChannel = new NotificationChannel("ongoing_calls",
 202                c.getString(R.string.ongoing_calls_channel_name),
 203                NotificationManager.IMPORTANCE_LOW);
 204        ongoingCallsChannel.setShowBadge(false);
 205        ongoingCallsChannel.setGroup("calls");
 206        notificationManager.createNotificationChannel(ongoingCallsChannel);
 207
 208        final NotificationChannel missedCallsChannel = new NotificationChannel("missed_calls",
 209                c.getString(R.string.missed_calls_channel_name),
 210                NotificationManager.IMPORTANCE_HIGH);
 211        missedCallsChannel.setShowBadge(true);
 212        missedCallsChannel.setSound(null, null);
 213        missedCallsChannel.setLightColor(LED_COLOR);
 214        missedCallsChannel.enableLights(true);
 215        missedCallsChannel.setGroup("calls");
 216        notificationManager.createNotificationChannel(missedCallsChannel);
 217
 218        final NotificationChannel messagesChannel = new NotificationChannel("messages",
 219                c.getString(R.string.messages_channel_name),
 220                NotificationManager.IMPORTANCE_HIGH);
 221        messagesChannel.setShowBadge(true);
 222        messagesChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 223                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 224                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 225                .build());
 226        messagesChannel.setLightColor(LED_COLOR);
 227        final int dat = 70;
 228        final long[] pattern = {0, 3 * dat, dat, dat};
 229        messagesChannel.setVibrationPattern(pattern);
 230        messagesChannel.enableVibration(true);
 231        messagesChannel.enableLights(true);
 232        messagesChannel.setGroup("chats");
 233        notificationManager.createNotificationChannel(messagesChannel);
 234        final NotificationChannel silentMessagesChannel = new NotificationChannel("silent_messages",
 235                c.getString(R.string.silent_messages_channel_name),
 236                NotificationManager.IMPORTANCE_LOW);
 237        silentMessagesChannel.setDescription(c.getString(R.string.silent_messages_channel_description));
 238        silentMessagesChannel.setShowBadge(true);
 239        silentMessagesChannel.setLightColor(LED_COLOR);
 240        silentMessagesChannel.enableLights(true);
 241        silentMessagesChannel.setGroup("chats");
 242        notificationManager.createNotificationChannel(silentMessagesChannel);
 243
 244        final NotificationChannel quietHoursChannel = new NotificationChannel("quiet_hours",
 245                c.getString(R.string.title_pref_quiet_hours),
 246                NotificationManager.IMPORTANCE_LOW);
 247        quietHoursChannel.setShowBadge(true);
 248        quietHoursChannel.setLightColor(LED_COLOR);
 249        quietHoursChannel.enableLights(true);
 250        quietHoursChannel.setGroup("chats");
 251        quietHoursChannel.enableVibration(false);
 252        quietHoursChannel.setSound(null, null);
 253
 254        notificationManager.createNotificationChannel(quietHoursChannel);
 255
 256        final NotificationChannel deliveryFailedChannel = new NotificationChannel("delivery_failed",
 257                c.getString(R.string.delivery_failed_channel_name),
 258                NotificationManager.IMPORTANCE_DEFAULT);
 259        deliveryFailedChannel.setShowBadge(false);
 260        deliveryFailedChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 261                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 262                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 263                .build());
 264        deliveryFailedChannel.setGroup("chats");
 265        notificationManager.createNotificationChannel(deliveryFailedChannel);
 266    }
 267
 268    private boolean notifyMessage(final Message message) {
 269        final Conversation conversation = (Conversation) message.getConversation();
 270        return message.getStatus() == Message.STATUS_RECEIVED
 271                && !conversation.isMuted()
 272                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
 273                && (!conversation.isWithStranger() || notificationsFromStrangers())
 274                && message.getType() != Message.TYPE_RTP_SESSION;
 275    }
 276
 277    private boolean notifyMissedCall(final Message message) {
 278        return message.getType() == Message.TYPE_RTP_SESSION
 279                && message.getStatus() == Message.STATUS_RECEIVED;
 280    }
 281
 282    public boolean notificationsFromStrangers() {
 283        return mXmppConnectionService.getBooleanPreference("notifications_from_strangers", R.bool.notifications_from_strangers);
 284    }
 285
 286    private boolean isQuietHours() {
 287        if (!mXmppConnectionService.getBooleanPreference("enable_quiet_hours", R.bool.enable_quiet_hours)) {
 288            return false;
 289        }
 290        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 291        final long startTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE));
 292        final long endTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE));
 293        final long nowTime = Calendar.getInstance().getTimeInMillis();
 294
 295        if (endTime < startTime) {
 296            return nowTime > startTime || nowTime < endTime;
 297        } else {
 298            return nowTime > startTime && nowTime < endTime;
 299        }
 300    }
 301
 302    public void pushFromBacklog(final Message message) {
 303        if (notifyMessage(message)) {
 304            synchronized (notifications) {
 305                getBacklogMessageCounter((Conversation) message.getConversation()).incrementAndGet();
 306                pushToStack(message);
 307            }
 308        } else if (notifyMissedCall(message)) {
 309            synchronized (mMissedCalls) {
 310                pushMissedCall(message);
 311            }
 312        }
 313    }
 314
 315    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
 316        synchronized (mBacklogMessageCounter) {
 317            if (!mBacklogMessageCounter.containsKey(conversation)) {
 318                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
 319            }
 320            return mBacklogMessageCounter.get(conversation);
 321        }
 322    }
 323
 324    void pushFromDirectReply(final Message message) {
 325        synchronized (notifications) {
 326            pushToStack(message);
 327            updateNotification(false);
 328        }
 329    }
 330
 331    public void finishBacklog(boolean notify, Account account) {
 332        synchronized (notifications) {
 333            mXmppConnectionService.updateUnreadCountBadge();
 334            if (account == null || !notify) {
 335                updateNotification(notify);
 336            } else {
 337                final int count;
 338                final List<String> conversations;
 339                synchronized (this.mBacklogMessageCounter) {
 340                    conversations = getBacklogConversations(account);
 341                    count = getBacklogMessageCount(account);
 342                }
 343                updateNotification(count > 0, conversations);
 344            }
 345        }
 346        synchronized (mMissedCalls) {
 347            updateMissedCallNotifications(mMissedCalls.keySet());
 348        }
 349    }
 350
 351    private List<String> getBacklogConversations(Account account) {
 352        final List<String> conversations = new ArrayList<>();
 353        for (Map.Entry<Conversation, AtomicInteger> entry : mBacklogMessageCounter.entrySet()) {
 354            if (entry.getKey().getAccount() == account) {
 355                conversations.add(entry.getKey().getUuid());
 356            }
 357        }
 358        return conversations;
 359    }
 360
 361    private int getBacklogMessageCount(Account account) {
 362        int count = 0;
 363        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
 364            Map.Entry<Conversation, AtomicInteger> entry = it.next();
 365            if (entry.getKey().getAccount() == account) {
 366                count += entry.getValue().get();
 367                it.remove();
 368            }
 369        }
 370        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
 371        return count;
 372    }
 373
 374    void finishBacklog(boolean notify) {
 375        finishBacklog(notify, null);
 376    }
 377
 378    private void pushToStack(final Message message) {
 379        final String conversationUuid = message.getConversationUuid();
 380        if (notifications.containsKey(conversationUuid)) {
 381            notifications.get(conversationUuid).add(message);
 382        } else {
 383            final ArrayList<Message> mList = new ArrayList<>();
 384            mList.add(message);
 385            notifications.put(conversationUuid, mList);
 386        }
 387    }
 388
 389    public void push(final Message message) {
 390        synchronized (CATCHUP_LOCK) {
 391            final XmppConnection connection = message.getConversation().getAccount().getXmppConnection();
 392            if (connection != null && connection.isWaitingForSmCatchup()) {
 393                connection.incrementSmCatchupMessageCounter();
 394                pushFromBacklog(message);
 395            } else {
 396                pushNow(message);
 397            }
 398        }
 399    }
 400
 401    public void pushFailedDelivery(final Message message) {
 402        final Conversation conversation = (Conversation) message.getConversation();
 403        final boolean isScreenLocked = !mXmppConnectionService.isScreenLocked();
 404        if (this.mIsInForeground && isScreenLocked && this.mOpenConversation == message.getConversation()) {
 405            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing failed delivery notification because conversation is open");
 406            return;
 407        }
 408        final PendingIntent pendingIntent = createContentIntent(conversation);
 409        final int notificationId = generateRequestCode(conversation, 0) + DELIVERY_FAILED_NOTIFICATION_ID;
 410        final int failedDeliveries = conversation.countFailedDeliveries();
 411        final Notification notification =
 412                new Builder(mXmppConnectionService, "delivery_failed")
 413                        .setContentTitle(conversation.getName())
 414                        .setAutoCancel(true)
 415                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 416                        .setContentText(mXmppConnectionService.getResources().getQuantityText(R.plurals.some_messages_could_not_be_delivered, failedDeliveries))
 417                        .setGroup("delivery_failed")
 418                        .setContentIntent(pendingIntent).build();
 419        final Notification summaryNotification =
 420                new Builder(mXmppConnectionService, "delivery_failed")
 421                        .setContentTitle(mXmppConnectionService.getString(R.string.failed_deliveries))
 422                        .setContentText(mXmppConnectionService.getResources().getQuantityText(R.plurals.some_messages_could_not_be_delivered, 1024))
 423                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 424                        .setGroup("delivery_failed")
 425                        .setGroupSummary(true)
 426                        .setAutoCancel(true)
 427                        .build();
 428        notify(notificationId, notification);
 429        notify(DELIVERY_FAILED_NOTIFICATION_ID, summaryNotification);
 430    }
 431
 432    private synchronized boolean tryRingingWithDialerUI(final AbstractJingleConnection.Id id, final Set<Media> media) {
 433        if (Build.VERSION.SDK_INT < 23) return false;
 434
 435        if (mXmppConnectionService.checkSelfPermission(Manifest.permission.RECORD_AUDIO) != PackageManager.PERMISSION_GRANTED) {
 436            // We cannot request audio permission in Dialer UI
 437            // when Dialer is shown over keyguard, the user cannot even necessarily
 438            // see notifications.
 439            return false;
 440        }
 441
 442        if (media.size() != 1 || !media.contains(Media.AUDIO)) {
 443            // Currently our ConnectionService only handles single audio calls
 444            Log.w(Config.LOGTAG, "only audio calls can be handled by cheogram connection service");
 445            return false;
 446        }
 447
 448        PhoneAccountHandle handle = null;
 449        for (Contact contact : id.account.getRoster().getContacts()) {
 450            if (!contact.getJid().getDomain().equals(id.with.getDomain())) {
 451                continue;
 452            }
 453
 454            if (!contact.getPresences().anyIdentity("gateway", "pstn")) {
 455                continue;
 456            }
 457
 458            handle = contact.phoneAccountHandle();
 459            break;
 460        }
 461
 462        if (handle == null) {
 463            Log.w(Config.LOGTAG, "Could not find phone account handle for " + id.account.getJid().toString());
 464            return false;
 465        }
 466
 467        Bundle callInfo = new Bundle();
 468        callInfo.putString("account", id.account.getJid().toString());
 469        callInfo.putString("with", id.with.toString());
 470        callInfo.putString("sessionId", id.sessionId);
 471
 472        TelecomManager telecomManager = mXmppConnectionService.getSystemService(TelecomManager.class);
 473
 474        try {
 475            telecomManager.addNewIncomingCall(handle, callInfo);
 476        } catch (SecurityException e) {
 477            // If the account is not registered or enabled, it could result in a security exception
 478            // Just fall back to the built-in UI in this case.
 479            Log.w(Config.LOGTAG, e);
 480            return false;
 481        }
 482
 483        return true;
 484    }
 485
 486    public synchronized void startRinging(final AbstractJingleConnection.Id id, final Set<Media> media) {
 487        if (tryRingingWithDialerUI(id, media)) {
 488            return;
 489        }
 490
 491        showIncomingCallNotification(id, media);
 492        final NotificationManager notificationManager = (NotificationManager) mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
 493        final int currentInterruptionFilter;
 494        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && notificationManager != null) {
 495            currentInterruptionFilter = notificationManager.getCurrentInterruptionFilter();
 496        } else {
 497            currentInterruptionFilter = 1; //INTERRUPTION_FILTER_ALL
 498        }
 499        if (currentInterruptionFilter != 1) {
 500            Log.d(Config.LOGTAG, "do not ring or vibrate because interruption filter has been set to " + currentInterruptionFilter);
 501            return;
 502        }
 503        final ScheduledFuture<?> currentVibrationFuture = this.vibrationFuture;
 504        this.vibrationFuture = SCHEDULED_EXECUTOR_SERVICE.scheduleAtFixedRate(
 505                new VibrationRunnable(),
 506                0,
 507                3,
 508                TimeUnit.SECONDS
 509        );
 510        if (currentVibrationFuture != null) {
 511            currentVibrationFuture.cancel(true);
 512        }
 513        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 514        final Resources resources = mXmppConnectionService.getResources();
 515        final String ringtonePreference = preferences.getString("call_ringtone", resources.getString(R.string.incoming_call_ringtone));
 516        if (Strings.isNullOrEmpty(ringtonePreference)) {
 517            Log.d(Config.LOGTAG, "ringtone has been set to none");
 518            return;
 519        }
 520        final Uri uri = Uri.parse(ringtonePreference);
 521        this.currentlyPlayingRingtone = RingtoneManager.getRingtone(mXmppConnectionService, uri);
 522        if (this.currentlyPlayingRingtone == null) {
 523            Log.d(Config.LOGTAG, "unable to find ringtone for uri " + uri);
 524            return;
 525        }
 526        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 527            this.currentlyPlayingRingtone.setLooping(true);
 528        }
 529        this.currentlyPlayingRingtone.play();
 530    }
 531
 532    private void showIncomingCallNotification(final AbstractJingleConnection.Id id, final Set<Media> media) {
 533        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 534        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 535        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 536        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 537        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 538        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 539        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, INCOMING_CALLS_NOTIFICATION_CHANNEL);
 540        if (media.contains(Media.VIDEO)) {
 541            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 542            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_video_call));
 543        } else {
 544            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 545            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_call));
 546        }
 547        final Contact contact = id.getContact();
 548        builder.setLargeIcon(mXmppConnectionService.getAvatarService().get(
 549                contact,
 550                AvatarService.getSystemUiAvatarSize(mXmppConnectionService))
 551        );
 552        final Uri systemAccount = contact.getSystemAccount();
 553        if (systemAccount != null) {
 554            builder.addPerson(systemAccount.toString());
 555        }
 556        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 557        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 558        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 559        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 560        PendingIntent pendingIntent = createPendingRtpSession(id, Intent.ACTION_VIEW, 101);
 561        builder.setFullScreenIntent(pendingIntent, true);
 562        builder.setContentIntent(pendingIntent); //old androids need this?
 563        builder.setOngoing(true);
 564        builder.addAction(new NotificationCompat.Action.Builder(
 565                R.drawable.ic_call_end_white_48dp,
 566                mXmppConnectionService.getString(R.string.dismiss_call),
 567                createCallAction(id.sessionId, XmppConnectionService.ACTION_DISMISS_CALL, 102))
 568                .build());
 569        builder.addAction(new NotificationCompat.Action.Builder(
 570                R.drawable.ic_call_white_24dp,
 571                mXmppConnectionService.getString(R.string.answer_call),
 572                createPendingRtpSession(id, RtpSessionActivity.ACTION_ACCEPT_CALL, 103))
 573                .build());
 574        modifyIncomingCall(builder);
 575        final Notification notification = builder.build();
 576        notification.flags = notification.flags | Notification.FLAG_INSISTENT;
 577        notify(INCOMING_CALL_NOTIFICATION_ID, notification);
 578    }
 579
 580    public Notification getOngoingCallNotification(final XmppConnectionService.OngoingCall ongoingCall) {
 581        final AbstractJingleConnection.Id id = ongoingCall.id;
 582        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "ongoing_calls");
 583        if (ongoingCall.media.contains(Media.VIDEO)) {
 584            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 585            if (ongoingCall.reconnecting) {
 586                builder.setContentTitle(mXmppConnectionService.getString(R.string.reconnecting_video_call));
 587            } else {
 588                builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_video_call));
 589            }
 590        } else {
 591            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 592            if (ongoingCall.reconnecting) {
 593                builder.setContentTitle(mXmppConnectionService.getString(R.string.reconnecting_call));
 594            } else {
 595                builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_call));
 596            }
 597        }
 598        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 599        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 600        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 601        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 602        builder.setContentIntent(createPendingRtpSession(id, Intent.ACTION_VIEW, 101));
 603        builder.setOngoing(true);
 604        builder.addAction(new NotificationCompat.Action.Builder(
 605                R.drawable.ic_call_end_white_48dp,
 606                mXmppConnectionService.getString(R.string.hang_up),
 607                createCallAction(id.sessionId, XmppConnectionService.ACTION_END_CALL, 104))
 608                .build());
 609        return builder.build();
 610    }
 611
 612    private PendingIntent createPendingRtpSession(final AbstractJingleConnection.Id id, final String action, final int requestCode) {
 613        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 614        fullScreenIntent.setAction(action);
 615        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 616        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 617        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 618        return PendingIntent.getActivity(mXmppConnectionService, requestCode, fullScreenIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 619    }
 620
 621    public void cancelIncomingCallNotification() {
 622        stopSoundAndVibration();
 623        cancel(INCOMING_CALL_NOTIFICATION_ID);
 624    }
 625
 626    public boolean stopSoundAndVibration() {
 627        int stopped = 0;
 628        if (this.currentlyPlayingRingtone != null) {
 629            if (this.currentlyPlayingRingtone.isPlaying()) {
 630                Log.d(Config.LOGTAG, "stop playing ring tone");
 631                ++stopped;
 632            }
 633            this.currentlyPlayingRingtone.stop();
 634        }
 635        if (this.vibrationFuture != null && !this.vibrationFuture.isCancelled()) {
 636            Log.d(Config.LOGTAG, "stop vibration");
 637            this.vibrationFuture.cancel(true);
 638            ++stopped;
 639        }
 640        return stopped > 0;
 641    }
 642
 643    public static void cancelIncomingCallNotification(final Context context) {
 644        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
 645        try {
 646            notificationManager.cancel(INCOMING_CALL_NOTIFICATION_ID);
 647        } catch (RuntimeException e) {
 648            Log.d(Config.LOGTAG, "unable to cancel incoming call notification after crash", e);
 649        }
 650    }
 651
 652    private void pushNow(final Message message) {
 653        mXmppConnectionService.updateUnreadCountBadge();
 654        if (!notifyMessage(message)) {
 655            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
 656            return;
 657        }
 658        final boolean isScreenLocked = mXmppConnectionService.isScreenLocked();
 659        if (this.mIsInForeground && !isScreenLocked && this.mOpenConversation == message.getConversation()) {
 660            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
 661            return;
 662        }
 663        synchronized (notifications) {
 664            pushToStack(message);
 665            final Conversational conversation = message.getConversation();
 666            final Account account = conversation.getAccount();
 667            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || isScreenLocked)
 668                    && !account.inGracePeriod()
 669                    && !this.inMiniGracePeriod(account);
 670            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
 671        }
 672    }
 673
 674    private void pushMissedCall(final Message message) {
 675        final Conversational conversation = message.getConversation();
 676        final MissedCallsInfo info = mMissedCalls.get(conversation);
 677        if (info == null) {
 678            mMissedCalls.put(conversation, new MissedCallsInfo(message.getTimeSent()));
 679        } else {
 680            info.newMissedCall(message.getTimeSent());
 681        }
 682    }
 683
 684    public void pushMissedCallNow(final Message message) {
 685        synchronized (mMissedCalls) {
 686            pushMissedCall(message);
 687            updateMissedCallNotifications(Collections.singleton(message.getConversation()));
 688        }
 689    }
 690
 691    public void clear(final Conversation conversation) {
 692        clearMessages(conversation);
 693        clearMissedCalls(conversation);
 694    }
 695
 696    public void clearMessages() {
 697        synchronized (notifications) {
 698            for (ArrayList<Message> messages : notifications.values()) {
 699                markAsReadIfHasDirectReply(messages);
 700            }
 701            notifications.clear();
 702            updateNotification(false);
 703        }
 704    }
 705
 706    public void clearMessages(final Conversation conversation) {
 707        synchronized (this.mBacklogMessageCounter) {
 708            this.mBacklogMessageCounter.remove(conversation);
 709        }
 710        synchronized (notifications) {
 711            markAsReadIfHasDirectReply(conversation);
 712            if (notifications.remove(conversation.getUuid()) != null) {
 713                cancel(conversation.getUuid(), NOTIFICATION_ID);
 714                updateNotification(false, null, true);
 715            }
 716        }
 717    }
 718
 719    public void clearMissedCalls() {
 720        synchronized (mMissedCalls) {
 721            for (final Conversational conversation : mMissedCalls.keySet()) {
 722                cancel(conversation.getUuid(), MISSED_CALL_NOTIFICATION_ID);
 723            }
 724            mMissedCalls.clear();
 725            updateMissedCallNotifications(null);
 726        }
 727    }
 728
 729    public void clearMissedCalls(final Conversation conversation) {
 730        synchronized (mMissedCalls) {
 731            if (mMissedCalls.remove(conversation) != null) {
 732                cancel(conversation.getUuid(), MISSED_CALL_NOTIFICATION_ID);
 733                updateMissedCallNotifications(null);
 734            }
 735        }
 736    }
 737
 738    private void markAsReadIfHasDirectReply(final Conversation conversation) {
 739        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
 740    }
 741
 742    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
 743        if (messages != null && messages.size() > 0) {
 744            Message last = messages.get(messages.size() - 1);
 745            if (last.getStatus() != Message.STATUS_RECEIVED) {
 746                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
 747                    mXmppConnectionService.updateConversationUi();
 748                }
 749            }
 750        }
 751    }
 752
 753    private void setNotificationColor(final Builder mBuilder) {
 754        TypedValue typedValue = new TypedValue();
 755        mXmppConnectionService.getTheme().resolveAttribute(R.attr.colorPrimary, typedValue, true);
 756        mBuilder.setColor(typedValue.data);
 757    }
 758
 759    public void updateNotification() {
 760        synchronized (notifications) {
 761            updateNotification(false);
 762        }
 763    }
 764
 765    private void updateNotification(final boolean notify) {
 766        updateNotification(notify, null, false);
 767    }
 768
 769    private void updateNotification(final boolean notify, final List<String> conversations) {
 770        updateNotification(notify, conversations, false);
 771    }
 772
 773    private void updateNotification(final boolean notify, final List<String> conversations, final boolean summaryOnly) {
 774        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 775
 776        final boolean quiteHours = isQuietHours();
 777
 778        final boolean notifyOnlyOneChild = notify && conversations != null && conversations.size() == 1; //if this check is changed to > 0 catchup messages will create one notification per conversation
 779
 780
 781        if (notifications.size() == 0) {
 782            cancel(NOTIFICATION_ID);
 783        } else {
 784            if (notify) {
 785                this.markLastNotification();
 786            }
 787            final Builder mBuilder;
 788            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 789                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify, quiteHours);
 790                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 791                notify(NOTIFICATION_ID, mBuilder.build());
 792            } else {
 793                mBuilder = buildMultipleConversation(notify, quiteHours);
 794                if (notifyOnlyOneChild) {
 795                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 796                }
 797                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 798                if (!summaryOnly) {
 799                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
 800                        String uuid = entry.getKey();
 801                        final boolean notifyThis = notifyOnlyOneChild ? conversations.contains(uuid) : notify;
 802                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notifyThis, quiteHours);
 803                        if (!notifyOnlyOneChild) {
 804                            singleBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY);
 805                        }
 806                        modifyForSoundVibrationAndLight(singleBuilder, notifyThis, quiteHours, preferences);
 807                        singleBuilder.setGroup(MESSAGES_GROUP);
 808                        setNotificationColor(singleBuilder);
 809                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
 810                    }
 811                }
 812                notify(NOTIFICATION_ID, mBuilder.build());
 813            }
 814        }
 815    }
 816
 817    private void updateMissedCallNotifications(final Set<Conversational> update) {
 818        if (mMissedCalls.isEmpty()) {
 819            cancel(MISSED_CALL_NOTIFICATION_ID);
 820            return;
 821        }
 822        if (mMissedCalls.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 823            final Conversational conversation = mMissedCalls.keySet().iterator().next();
 824            final MissedCallsInfo info = mMissedCalls.values().iterator().next();
 825            final Notification notification = missedCall(conversation, info);
 826            notify(MISSED_CALL_NOTIFICATION_ID, notification);
 827        } else {
 828            final Notification summary = missedCallsSummary();
 829            notify(MISSED_CALL_NOTIFICATION_ID, summary);
 830            if (update != null) {
 831                for (final Conversational conversation : update) {
 832                    final MissedCallsInfo info = mMissedCalls.get(conversation);
 833                    if (info != null) {
 834                        final Notification notification = missedCall(conversation, info);
 835                        notify(conversation.getUuid(), MISSED_CALL_NOTIFICATION_ID, notification);
 836                    }
 837                }
 838            }
 839        }
 840    }
 841
 842    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, boolean quietHours, SharedPreferences preferences) {
 843        final Resources resources = mXmppConnectionService.getResources();
 844        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
 845        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
 846        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 847        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
 848        if (notify && !quietHours) {
 849            if (vibrate) {
 850                final int dat = 70;
 851                final long[] pattern = {0, 3 * dat, dat, dat};
 852                mBuilder.setVibrate(pattern);
 853            } else {
 854                mBuilder.setVibrate(new long[]{0});
 855            }
 856            Uri uri = Uri.parse(ringtone);
 857            try {
 858                mBuilder.setSound(fixRingtoneUri(uri));
 859            } catch (SecurityException e) {
 860                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
 861            }
 862        } else {
 863            mBuilder.setLocalOnly(true);
 864        }
 865        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 866            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
 867        }
 868        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
 869        setNotificationColor(mBuilder);
 870        mBuilder.setDefaults(0);
 871        if (led) {
 872            mBuilder.setLights(LED_COLOR, 2000, 3000);
 873        }
 874    }
 875
 876    private void modifyIncomingCall(final Builder mBuilder) {
 877        mBuilder.setPriority(NotificationCompat.PRIORITY_HIGH);
 878        setNotificationColor(mBuilder);
 879        mBuilder.setLights(LED_COLOR, 2000, 3000);
 880    }
 881
 882    private Uri fixRingtoneUri(Uri uri) {
 883        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
 884            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
 885        } else {
 886            return uri;
 887        }
 888    }
 889
 890    private Notification missedCallsSummary() {
 891        final Builder publicBuilder = buildMissedCallsSummary(true);
 892        final Builder builder = buildMissedCallsSummary(false);
 893        builder.setPublicVersion(publicBuilder.build());
 894        return builder.build();
 895    }
 896
 897    private Builder buildMissedCallsSummary(boolean publicVersion) {
 898        final Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "missed_calls");
 899        int totalCalls = 0;
 900        final StringBuilder names = new StringBuilder();
 901        long lastTime = 0;
 902        for (Map.Entry<Conversational, MissedCallsInfo> entry : mMissedCalls.entrySet()) {
 903            final Conversational conversation = entry.getKey();
 904            final MissedCallsInfo missedCallsInfo = entry.getValue();
 905            names.append(conversation.getContact().getDisplayName());
 906            names.append(", ");
 907            totalCalls += missedCallsInfo.getNumberOfCalls();
 908            lastTime = Math.max(lastTime, missedCallsInfo.getLastTime());
 909        }
 910        if (names.length() >= 2) {
 911            names.delete(names.length() - 2, names.length());
 912        }
 913        final String title = (totalCalls == 1) ? mXmppConnectionService.getString(R.string.missed_call) :
 914                             (mMissedCalls.size() == 1) ? mXmppConnectionService.getString(R.string.n_missed_calls, totalCalls) :
 915                             mXmppConnectionService.getString(R.string.n_missed_calls_from_m_contacts, totalCalls, mMissedCalls.size());
 916        builder.setContentTitle(title);
 917        builder.setTicker(title);
 918        if (!publicVersion) {
 919            builder.setContentText(names.toString());
 920        }
 921        builder.setSmallIcon(R.drawable.ic_missed_call_notification);
 922        builder.setGroupSummary(true);
 923        builder.setGroup(MISSED_CALLS_GROUP);
 924        builder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 925        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 926        builder.setWhen(lastTime);
 927        if (!mMissedCalls.isEmpty()) {
 928            final Conversational firstConversation = mMissedCalls.keySet().iterator().next();
 929            builder.setContentIntent(createContentIntent(firstConversation));
 930        }
 931        builder.setDeleteIntent(createMissedCallsDeleteIntent(null));
 932        modifyMissedCall(builder);
 933        return builder;
 934    }
 935
 936    private Notification missedCall(final Conversational conversation, final MissedCallsInfo info) {
 937        final Builder publicBuilder = buildMissedCall(conversation, info, true);
 938        final Builder builder = buildMissedCall(conversation, info, false);
 939        builder.setPublicVersion(publicBuilder.build());
 940        return builder.build();
 941    }
 942
 943    private Builder buildMissedCall(final Conversational conversation, final MissedCallsInfo info, boolean publicVersion) {
 944        final Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "missed_calls");
 945        final String title = (info.getNumberOfCalls() == 1) ? mXmppConnectionService.getString(R.string.missed_call) :
 946                                                              mXmppConnectionService.getString(R.string.n_missed_calls, info.getNumberOfCalls());
 947        builder.setContentTitle(title);
 948        final String name = conversation.getContact().getDisplayName();
 949        if (publicVersion) {
 950            builder.setTicker(title);
 951        } else {
 952            if (info.getNumberOfCalls() == 1) {
 953                builder.setTicker(mXmppConnectionService.getString(R.string.missed_call_from_x, name));
 954            } else {
 955                builder.setTicker(mXmppConnectionService.getString(R.string.n_missed_calls_from_x, info.getNumberOfCalls(), name));
 956            }
 957            builder.setContentText(name);
 958        }
 959        builder.setSmallIcon(R.drawable.ic_missed_call_notification);
 960        builder.setGroup(MISSED_CALLS_GROUP);
 961        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 962        builder.setWhen(info.getLastTime());
 963        builder.setContentIntent(createContentIntent(conversation));
 964        builder.setDeleteIntent(createMissedCallsDeleteIntent(conversation));
 965        if (!publicVersion && conversation instanceof Conversation) {
 966            builder.setLargeIcon(mXmppConnectionService.getAvatarService()
 967                    .get((Conversation) conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 968        }
 969        modifyMissedCall(builder);
 970        return builder;
 971    }
 972
 973    private void modifyMissedCall(final Builder builder) {
 974        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 975        final Resources resources = mXmppConnectionService.getResources();
 976        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 977        if (led) {
 978            builder.setLights(LED_COLOR, 2000, 3000);
 979        }
 980        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 981        builder.setSound(null);
 982        setNotificationColor(builder);
 983    }
 984
 985    private Builder buildMultipleConversation(final boolean notify, final boolean quietHours) {
 986        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 987        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 988        style.setBigContentTitle(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size()));
 989        final StringBuilder names = new StringBuilder();
 990        Conversation conversation = null;
 991        for (final ArrayList<Message> messages : notifications.values()) {
 992            if (messages.size() > 0) {
 993                conversation = (Conversation) messages.get(0).getConversation();
 994                final String name = conversation.getName().toString();
 995                SpannableString styledString;
 996                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 997                    int count = messages.size();
 998                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 999                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
1000                    style.addLine(styledString);
1001                } else {
1002                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
1003                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
1004                    style.addLine(styledString);
1005                }
1006                names.append(name);
1007                names.append(", ");
1008            }
1009        }
1010        if (names.length() >= 2) {
1011            names.delete(names.length() - 2, names.length());
1012        }
1013        final String contentTitle = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size());
1014        mBuilder.setContentTitle(contentTitle);
1015        mBuilder.setTicker(contentTitle);
1016        mBuilder.setContentText(names.toString());
1017        mBuilder.setStyle(style);
1018        if (conversation != null) {
1019            mBuilder.setContentIntent(createContentIntent(conversation));
1020        }
1021        mBuilder.setGroupSummary(true);
1022        mBuilder.setGroup(MESSAGES_GROUP);
1023        mBuilder.setDeleteIntent(createDeleteIntent(null));
1024        mBuilder.setSmallIcon(R.drawable.ic_notification);
1025        return mBuilder;
1026    }
1027
1028    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify, final boolean quietHours) {
1029        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
1030        if (messages.size() >= 1) {
1031            final Conversation conversation = (Conversation) messages.get(0).getConversation();
1032            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
1033                    .get(conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
1034            mBuilder.setContentTitle(conversation.getName());
1035            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
1036                int count = messages.size();
1037                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
1038            } else {
1039                Message message;
1040                //TODO starting with Android 9 we might want to put images in MessageStyle
1041                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P && (message = getImage(messages)) != null) {
1042                    modifyForImage(mBuilder, message, messages);
1043                } else {
1044                    modifyForTextOnly(mBuilder, messages);
1045                }
1046                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
1047                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
1048                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
1049                        R.drawable.ic_drafts_white_24dp,
1050                        mXmppConnectionService.getString(R.string.mark_as_read),
1051                        markAsReadPendingIntent)
1052                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_MARK_AS_READ)
1053                        .setShowsUserInterface(false)
1054                        .build();
1055                final String replyLabel = mXmppConnectionService.getString(R.string.reply);
1056                final String lastMessageUuid = Iterables.getLast(messages).getUuid();
1057                final NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
1058                        R.drawable.ic_send_text_offline,
1059                        replyLabel,
1060                        createReplyIntent(conversation, lastMessageUuid, false))
1061                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
1062                        .setShowsUserInterface(false)
1063                        .addRemoteInput(remoteInput).build();
1064                final NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
1065                        replyLabel,
1066                        createReplyIntent(conversation, lastMessageUuid, true)).addRemoteInput(remoteInput).build();
1067                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
1068                int addedActionsCount = 1;
1069                mBuilder.addAction(markReadAction);
1070                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1071                    mBuilder.addAction(replyAction);
1072                    ++addedActionsCount;
1073                }
1074
1075                if (displaySnoozeAction(messages)) {
1076                    String label = mXmppConnectionService.getString(R.string.snooze);
1077                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
1078                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
1079                            R.drawable.ic_notifications_paused_white_24dp,
1080                            label,
1081                            pendingSnoozeIntent).build();
1082                    mBuilder.addAction(snoozeAction);
1083                    ++addedActionsCount;
1084                }
1085                if (addedActionsCount < 3) {
1086                    final Message firstLocationMessage = getFirstLocationMessage(messages);
1087                    if (firstLocationMessage != null) {
1088                        final PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
1089                        if (pendingShowLocationIntent != null) {
1090                            final String label = mXmppConnectionService.getResources().getString(R.string.show_location);
1091                            NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
1092                                    R.drawable.ic_room_white_24dp,
1093                                    label,
1094                                    pendingShowLocationIntent).build();
1095                            mBuilder.addAction(locationAction);
1096                            ++addedActionsCount;
1097                        }
1098                    }
1099                }
1100                if (addedActionsCount < 3) {
1101                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
1102                    if (firstDownloadableMessage != null) {
1103                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
1104                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
1105                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
1106                                R.drawable.ic_file_download_white_24dp,
1107                                label,
1108                                pendingDownloadIntent).build();
1109                        mBuilder.addAction(downloadAction);
1110                        ++addedActionsCount;
1111                    }
1112                }
1113            }
1114            if (conversation.getMode() == Conversation.MODE_SINGLE) {
1115                Contact contact = conversation.getContact();
1116                Uri systemAccount = contact.getSystemAccount();
1117                if (systemAccount != null) {
1118                    mBuilder.addPerson(systemAccount.toString());
1119                }
1120            }
1121            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
1122            mBuilder.setSmallIcon(R.drawable.ic_notification);
1123            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
1124            mBuilder.setContentIntent(createContentIntent(conversation));
1125        }
1126        return mBuilder;
1127    }
1128
1129    private void modifyForImage(final Builder builder, final Message message, final ArrayList<Message> messages) {
1130        try {
1131            final Bitmap bitmap = mXmppConnectionService.getFileBackend().getThumbnailBitmap(message, mXmppConnectionService.getResources(), getPixel(288));
1132            final ArrayList<Message> tmp = new ArrayList<>();
1133            for (final Message msg : messages) {
1134                if (msg.getType() == Message.TYPE_TEXT
1135                        && msg.getTransferable() == null) {
1136                    tmp.add(msg);
1137                }
1138            }
1139            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
1140            bigPictureStyle.bigPicture(bitmap);
1141            if (tmp.size() > 0) {
1142                CharSequence text = getMergedBodies(tmp);
1143                bigPictureStyle.setSummaryText(text);
1144                builder.setContentText(text);
1145                builder.setTicker(text);
1146            } else {
1147                final String description = UIHelper.getFileDescriptionString(mXmppConnectionService, message);
1148                builder.setContentText(description);
1149                builder.setTicker(description);
1150            }
1151            builder.setStyle(bigPictureStyle);
1152        } catch (final IOException e) {
1153            modifyForTextOnly(builder, messages);
1154        }
1155    }
1156
1157    private Person getPerson(Message message) {
1158        final Contact contact = message.getContact();
1159        final Person.Builder builder = new Person.Builder();
1160        if (contact != null) {
1161            builder.setName(contact.getDisplayName());
1162            final Uri uri = contact.getSystemAccount();
1163            if (uri != null) {
1164                builder.setUri(uri.toString());
1165            }
1166        } else {
1167            builder.setName(UIHelper.getMessageDisplayName(message));
1168        }
1169        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
1170            builder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(message, AvatarService.getSystemUiAvatarSize(mXmppConnectionService), false)));
1171        }
1172        return builder.build();
1173    }
1174
1175    private void modifyForTextOnly(final Builder builder, final ArrayList<Message> messages) {
1176        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1177            final Conversation conversation = (Conversation) messages.get(0).getConversation();
1178            final Person.Builder meBuilder = new Person.Builder().setName(mXmppConnectionService.getString(R.string.me));
1179            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
1180                meBuilder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(conversation.getAccount(), AvatarService.getSystemUiAvatarSize(mXmppConnectionService))));
1181            }
1182            final Person me = meBuilder.build();
1183            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(me);
1184            final boolean multiple = conversation.getMode() == Conversation.MODE_MULTI;
1185            if (multiple) {
1186                messagingStyle.setConversationTitle(conversation.getName());
1187            }
1188            for (Message message : messages) {
1189                final Person sender = message.getStatus() == Message.STATUS_RECEIVED ? getPerson(message) : null;
1190                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && isImageMessage(message)) {
1191                    final Uri dataUri = FileBackend.getMediaUri(mXmppConnectionService, mXmppConnectionService.getFileBackend().getFile(message));
1192                    NotificationCompat.MessagingStyle.Message imageMessage = new NotificationCompat.MessagingStyle.Message(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
1193                    if (dataUri != null) {
1194                        imageMessage.setData(message.getMimeType(), dataUri);
1195                    }
1196                    messagingStyle.addMessage(imageMessage);
1197                } else {
1198                    messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
1199                }
1200            }
1201            messagingStyle.setGroupConversation(multiple);
1202            builder.setStyle(messagingStyle);
1203        } else {
1204            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
1205                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
1206                final CharSequence preview = UIHelper.getMessagePreview(mXmppConnectionService, messages.get(messages.size() - 1)).first;
1207                builder.setContentText(preview);
1208                builder.setTicker(preview);
1209                builder.setNumber(messages.size());
1210            } else {
1211                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
1212                SpannableString styledString;
1213                for (Message message : messages) {
1214                    final String name = UIHelper.getMessageDisplayName(message);
1215                    styledString = new SpannableString(name + ": " + message.getBody());
1216                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
1217                    style.addLine(styledString);
1218                }
1219                builder.setStyle(style);
1220                int count = messages.size();
1221                if (count == 1) {
1222                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
1223                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
1224                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
1225                    builder.setContentText(styledString);
1226                    builder.setTicker(styledString);
1227                } else {
1228                    final String text = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count);
1229                    builder.setContentText(text);
1230                    builder.setTicker(text);
1231                }
1232            }
1233        }
1234    }
1235
1236    private Message getImage(final Iterable<Message> messages) {
1237        Message image = null;
1238        for (final Message message : messages) {
1239            if (message.getStatus() != Message.STATUS_RECEIVED) {
1240                return null;
1241            }
1242            if (isImageMessage(message)) {
1243                image = message;
1244            }
1245        }
1246        return image;
1247    }
1248
1249    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
1250        for (final Message message : messages) {
1251            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
1252                return message;
1253            }
1254        }
1255        return null;
1256    }
1257
1258    private Message getFirstLocationMessage(final Iterable<Message> messages) {
1259        for (final Message message : messages) {
1260            if (message.isGeoUri()) {
1261                return message;
1262            }
1263        }
1264        return null;
1265    }
1266
1267    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
1268        final StringBuilder text = new StringBuilder();
1269        for (Message message : messages) {
1270            if (text.length() != 0) {
1271                text.append("\n");
1272            }
1273            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
1274        }
1275        return text.toString();
1276    }
1277
1278    private PendingIntent createShowLocationIntent(final Message message) {
1279        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
1280        for (Intent intent : intents) {
1281            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
1282                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1283            }
1284        }
1285        return null;
1286    }
1287
1288    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
1289        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
1290        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1291        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
1292        if (downloadMessageUuid != null) {
1293            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
1294            return PendingIntent.getActivity(mXmppConnectionService,
1295                    generateRequestCode(conversationUuid, 8),
1296                    viewConversationIntent,
1297                    PendingIntent.FLAG_UPDATE_CURRENT);
1298        } else {
1299            return PendingIntent.getActivity(mXmppConnectionService,
1300                    generateRequestCode(conversationUuid, 10),
1301                    viewConversationIntent,
1302                    PendingIntent.FLAG_UPDATE_CURRENT);
1303        }
1304    }
1305
1306    private int generateRequestCode(String uuid, int actionId) {
1307        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
1308    }
1309
1310    private int generateRequestCode(Conversational conversation, int actionId) {
1311        return generateRequestCode(conversation.getUuid(), actionId);
1312    }
1313
1314    private PendingIntent createDownloadIntent(final Message message) {
1315        return createContentIntent(message.getConversationUuid(), message.getUuid());
1316    }
1317
1318    private PendingIntent createContentIntent(final Conversational conversation) {
1319        return createContentIntent(conversation.getUuid(), null);
1320    }
1321
1322    private PendingIntent createDeleteIntent(Conversation conversation) {
1323        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1324        intent.setAction(XmppConnectionService.ACTION_CLEAR_MESSAGE_NOTIFICATION);
1325        if (conversation != null) {
1326            intent.putExtra("uuid", conversation.getUuid());
1327            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
1328        }
1329        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
1330    }
1331
1332    private PendingIntent createMissedCallsDeleteIntent(final Conversational conversation) {
1333        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1334        intent.setAction(XmppConnectionService.ACTION_CLEAR_MISSED_CALL_NOTIFICATION);
1335        if (conversation != null) {
1336            intent.putExtra("uuid", conversation.getUuid());
1337            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 21), intent, 0);
1338        }
1339        return PendingIntent.getService(mXmppConnectionService, 1, intent, 0);
1340    }
1341
1342    private PendingIntent createReplyIntent(final Conversation conversation, final String lastMessageUuid, final boolean dismissAfterReply) {
1343        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1344        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
1345        intent.putExtra("uuid", conversation.getUuid());
1346        intent.putExtra("dismiss_notification", dismissAfterReply);
1347        intent.putExtra("last_message_uuid", lastMessageUuid);
1348        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
1349        return PendingIntent.getService(mXmppConnectionService, id, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1350    }
1351
1352    private PendingIntent createReadPendingIntent(Conversation conversation) {
1353        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1354        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
1355        intent.putExtra("uuid", conversation.getUuid());
1356        intent.setPackage(mXmppConnectionService.getPackageName());
1357        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1358    }
1359
1360    private PendingIntent createCallAction(String sessionId, final String action, int requestCode) {
1361        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1362        intent.setAction(action);
1363        intent.setPackage(mXmppConnectionService.getPackageName());
1364        intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, sessionId);
1365        return PendingIntent.getService(mXmppConnectionService, requestCode, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1366    }
1367
1368    private PendingIntent createSnoozeIntent(Conversation conversation) {
1369        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1370        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
1371        intent.putExtra("uuid", conversation.getUuid());
1372        intent.setPackage(mXmppConnectionService.getPackageName());
1373        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1374    }
1375
1376    private PendingIntent createTryAgainIntent() {
1377        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1378        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
1379        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
1380    }
1381
1382    private PendingIntent createDismissErrorIntent() {
1383        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1384        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
1385        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
1386    }
1387
1388    private boolean wasHighlightedOrPrivate(final Message message) {
1389        if (message.getConversation() instanceof Conversation) {
1390            Conversation conversation = (Conversation) message.getConversation();
1391            final String nick = conversation.getMucOptions().getActualNick();
1392            final Pattern highlight = generateNickHighlightPattern(nick);
1393            if (message.getBody() == null || nick == null) {
1394                return false;
1395            }
1396            final Matcher m = highlight.matcher(message.getBody());
1397            return (m.find() || message.isPrivateMessage());
1398        } else {
1399            return false;
1400        }
1401    }
1402
1403    public void setOpenConversation(final Conversation conversation) {
1404        this.mOpenConversation = conversation;
1405    }
1406
1407    public void setIsInForeground(final boolean foreground) {
1408        this.mIsInForeground = foreground;
1409    }
1410
1411    private int getPixel(final int dp) {
1412        final DisplayMetrics metrics = mXmppConnectionService.getResources()
1413                .getDisplayMetrics();
1414        return ((int) (dp * metrics.density));
1415    }
1416
1417    private void markLastNotification() {
1418        this.mLastNotification = SystemClock.elapsedRealtime();
1419    }
1420
1421    private boolean inMiniGracePeriod(final Account account) {
1422        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
1423                : Config.MINI_GRACE_PERIOD * 2;
1424        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
1425    }
1426
1427    Notification createForegroundNotification() {
1428        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1429        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.app_name));
1430        final List<Account> accounts = mXmppConnectionService.getAccounts();
1431        int enabled = 0;
1432        int connected = 0;
1433        if (accounts != null) {
1434            for (Account account : accounts) {
1435                if (account.isOnlineAndConnected()) {
1436                    connected++;
1437                    enabled++;
1438                } else if (account.isEnabled()) {
1439                    enabled++;
1440                }
1441            }
1442        }
1443        mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
1444        final PendingIntent openIntent = createOpenConversationsIntent();
1445        if (openIntent != null) {
1446            mBuilder.setContentIntent(openIntent);
1447        }
1448        mBuilder.setWhen(0);
1449        mBuilder.setPriority(Notification.PRIORITY_MIN);
1450        mBuilder.setSmallIcon(connected > 0 ? R.drawable.ic_link_white_24dp : R.drawable.ic_link_off_white_24dp);
1451
1452        if (Compatibility.runsTwentySix()) {
1453            mBuilder.setChannelId("foreground");
1454        }
1455
1456
1457        return mBuilder.build();
1458    }
1459
1460    private PendingIntent createOpenConversationsIntent() {
1461        try {
1462            return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
1463        } catch (RuntimeException e) {
1464            return null;
1465        }
1466    }
1467
1468    void updateErrorNotification() {
1469        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
1470            cancel(ERROR_NOTIFICATION_ID);
1471            return;
1472        }
1473        final boolean showAllErrors = QuickConversationsService.isConversations();
1474        final List<Account> errors = new ArrayList<>();
1475        boolean torNotAvailable = false;
1476        for (final Account account : mXmppConnectionService.getAccounts()) {
1477            if (account.hasErrorStatus() && account.showErrorNotification() && (showAllErrors || account.getLastErrorStatus() == Account.State.UNAUTHORIZED)) {
1478                errors.add(account);
1479                torNotAvailable |= account.getStatus() == Account.State.TOR_NOT_AVAILABLE;
1480            }
1481        }
1482        if (mXmppConnectionService.foregroundNotificationNeedsUpdatingWhenErrorStateChanges()) {
1483            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
1484        }
1485        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1486        if (errors.size() == 0) {
1487            cancel(ERROR_NOTIFICATION_ID);
1488            return;
1489        } else if (errors.size() == 1) {
1490            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
1491            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toEscapedString());
1492        } else {
1493            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
1494            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
1495        }
1496        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
1497                mXmppConnectionService.getString(R.string.try_again),
1498                createTryAgainIntent()
1499        );
1500        if (torNotAvailable) {
1501            if (TorServiceUtils.isOrbotInstalled(mXmppConnectionService)) {
1502                mBuilder.addAction(
1503                        R.drawable.ic_play_circle_filled_white_48dp,
1504                        mXmppConnectionService.getString(R.string.start_orbot),
1505                        PendingIntent.getActivity(mXmppConnectionService, 147, TorServiceUtils.LAUNCH_INTENT, 0)
1506                );
1507            } else {
1508                mBuilder.addAction(
1509                        R.drawable.ic_file_download_white_24dp,
1510                        mXmppConnectionService.getString(R.string.install_orbot),
1511                        PendingIntent.getActivity(mXmppConnectionService, 146, TorServiceUtils.INSTALL_INTENT, 0)
1512                );
1513            }
1514        }
1515        mBuilder.setDeleteIntent(createDismissErrorIntent());
1516        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
1517            mBuilder.setVisibility(Notification.VISIBILITY_PRIVATE);
1518            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
1519        } else {
1520            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
1521        }
1522        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
1523            mBuilder.setLocalOnly(true);
1524        }
1525        mBuilder.setPriority(Notification.PRIORITY_LOW);
1526        final Intent intent;
1527        if (AccountUtils.MANAGE_ACCOUNT_ACTIVITY != null) {
1528            intent = new Intent(mXmppConnectionService, AccountUtils.MANAGE_ACCOUNT_ACTIVITY);
1529        } else {
1530            intent = new Intent(mXmppConnectionService, EditAccountActivity.class);
1531            intent.putExtra("jid", errors.get(0).getJid().asBareJid().toEscapedString());
1532            intent.putExtra(EditAccountActivity.EXTRA_OPENED_FROM_NOTIFICATION, true);
1533        }
1534        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService, 145, intent, PendingIntent.FLAG_UPDATE_CURRENT));
1535        if (Compatibility.runsTwentySix()) {
1536            mBuilder.setChannelId("error");
1537        }
1538        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
1539    }
1540
1541    void updateFileAddingNotification(int current, Message message) {
1542        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1543        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
1544        mBuilder.setProgress(100, current, false);
1545        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
1546        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
1547        mBuilder.setOngoing(true);
1548        if (Compatibility.runsTwentySix()) {
1549            mBuilder.setChannelId("compression");
1550        }
1551        Notification notification = mBuilder.build();
1552        notify(FOREGROUND_NOTIFICATION_ID, notification);
1553    }
1554
1555    private void notify(String tag, int id, Notification notification) {
1556        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1557        try {
1558            notificationManager.notify(tag, id, notification);
1559        } catch (RuntimeException e) {
1560            Log.d(Config.LOGTAG, "unable to make notification", e);
1561        }
1562    }
1563
1564    public void notify(int id, Notification notification) {
1565        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1566        try {
1567            notificationManager.notify(id, notification);
1568        } catch (RuntimeException e) {
1569            Log.d(Config.LOGTAG, "unable to make notification", e);
1570        }
1571    }
1572
1573    public void cancel(int id) {
1574        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1575        try {
1576            notificationManager.cancel(id);
1577        } catch (RuntimeException e) {
1578            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1579        }
1580    }
1581
1582    private void cancel(String tag, int id) {
1583        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1584        try {
1585            notificationManager.cancel(tag, id);
1586        } catch (RuntimeException e) {
1587            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1588        }
1589    }
1590
1591    private class VibrationRunnable implements Runnable {
1592
1593        @Override
1594        public void run() {
1595            final Vibrator vibrator = (Vibrator) mXmppConnectionService.getSystemService(Context.VIBRATOR_SERVICE);
1596            vibrator.vibrate(CALL_PATTERN, -1);
1597			}
1598		}
1599
1600    private static class MissedCallsInfo {
1601        private int numberOfCalls;
1602        private long lastTime;
1603
1604        MissedCallsInfo(final long time) {
1605            numberOfCalls = 1;
1606            lastTime = time;
1607        }
1608
1609        public void newMissedCall(final long time) {
1610            ++numberOfCalls;
1611            lastTime = time;
1612        }
1613
1614        public int getNumberOfCalls() {
1615            return numberOfCalls;
1616        }
1617
1618        public long getLastTime() {
1619            return lastTime;
1620        }
1621    }
1622}