NotificationService.java

   1package eu.siacs.conversations.services;
   2
   3import android.app.Notification;
   4import android.app.NotificationChannel;
   5import android.app.NotificationChannelGroup;
   6import android.app.NotificationManager;
   7import android.app.PendingIntent;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.SharedPreferences;
  11import android.content.res.Resources;
  12import android.graphics.Bitmap;
  13import android.graphics.Typeface;
  14import android.media.AudioAttributes;
  15import android.media.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;
  38
  39import java.io.File;
  40import java.io.IOException;
  41import java.util.ArrayList;
  42import java.util.Calendar;
  43import java.util.Collections;
  44import java.util.HashMap;
  45import java.util.Iterator;
  46import java.util.LinkedHashMap;
  47import java.util.List;
  48import java.util.Map;
  49import java.util.Set;
  50import java.util.concurrent.Executors;
  51import java.util.concurrent.ScheduledExecutorService;
  52import java.util.concurrent.ScheduledFuture;
  53import java.util.concurrent.TimeUnit;
  54import java.util.concurrent.atomic.AtomicInteger;
  55import java.util.regex.Matcher;
  56import java.util.regex.Pattern;
  57
  58import eu.siacs.conversations.Config;
  59import eu.siacs.conversations.R;
  60import eu.siacs.conversations.entities.Account;
  61import eu.siacs.conversations.entities.Contact;
  62import eu.siacs.conversations.entities.Conversation;
  63import eu.siacs.conversations.entities.Conversational;
  64import eu.siacs.conversations.entities.Message;
  65import eu.siacs.conversations.persistance.FileBackend;
  66import eu.siacs.conversations.ui.ConversationsActivity;
  67import eu.siacs.conversations.ui.EditAccountActivity;
  68import eu.siacs.conversations.ui.RtpSessionActivity;
  69import eu.siacs.conversations.ui.TimePreference;
  70import eu.siacs.conversations.utils.AccountUtils;
  71import eu.siacs.conversations.utils.Compatibility;
  72import eu.siacs.conversations.utils.GeoHelper;
  73import eu.siacs.conversations.utils.TorServiceUtils;
  74import eu.siacs.conversations.utils.UIHelper;
  75import eu.siacs.conversations.xmpp.XmppConnection;
  76import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  77import eu.siacs.conversations.xmpp.jingle.Media;
  78
  79public class NotificationService {
  80
  81    private static final ScheduledExecutorService SCHEDULED_EXECUTOR_SERVICE = Executors.newSingleThreadScheduledExecutor();
  82
  83    public static final Object CATCHUP_LOCK = new Object();
  84
  85    private static final int LED_COLOR = 0xff00ff00;
  86
  87    private static final long[] CALL_PATTERN = {0, 500, 300, 600};
  88
  89    private static final String CONVERSATIONS_GROUP = "eu.siacs.conversations";
  90    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
  91    static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
  92    private static final int NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 2;
  93    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
  94    private static final int INCOMING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 8;
  95    public static final int ONGOING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 10;
  96    private static final int DELIVERY_FAILED_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 12;
  97    private final XmppConnectionService mXmppConnectionService;
  98    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
  99    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
 100    private Conversation mOpenConversation;
 101    private boolean mIsInForeground;
 102    private long mLastNotification;
 103
 104    private static final String INCOMING_CALLS_NOTIFICATION_CHANNEL = "incoming_calls_channel";
 105    private Ringtone currentlyPlayingRingtone = null;
 106    private ScheduledFuture<?> vibrationFuture;
 107
 108    NotificationService(final XmppConnectionService service) {
 109        this.mXmppConnectionService = service;
 110    }
 111
 112    private static boolean displaySnoozeAction(List<Message> messages) {
 113        int numberOfMessagesWithoutReply = 0;
 114        for (Message message : messages) {
 115            if (message.getStatus() == Message.STATUS_RECEIVED) {
 116                ++numberOfMessagesWithoutReply;
 117            } else {
 118                return false;
 119            }
 120        }
 121        return numberOfMessagesWithoutReply >= 3;
 122    }
 123
 124    public static Pattern generateNickHighlightPattern(final String nick) {
 125        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "(?=\\s|$|\\p{Punct})");
 126    }
 127
 128    private static boolean isImageMessage(Message message) {
 129        return message.getType() != Message.TYPE_TEXT
 130                && message.getTransferable() == null
 131                && !message.isDeleted()
 132                && message.getEncryption() != Message.ENCRYPTION_PGP
 133                && message.getFileParams().height > 0;
 134    }
 135
 136    @RequiresApi(api = Build.VERSION_CODES.O)
 137    void initializeChannels() {
 138        final Context c = mXmppConnectionService;
 139        final NotificationManager notificationManager = c.getSystemService(NotificationManager.class);
 140        if (notificationManager == null) {
 141            return;
 142        }
 143
 144        notificationManager.deleteNotificationChannel("export");
 145        notificationManager.deleteNotificationChannel("incoming_calls");
 146
 147        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("status", c.getString(R.string.notification_group_status_information)));
 148        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("chats", c.getString(R.string.notification_group_messages)));
 149        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("calls", c.getString(R.string.notification_group_calls)));
 150        final NotificationChannel foregroundServiceChannel = new NotificationChannel("foreground",
 151                c.getString(R.string.foreground_service_channel_name),
 152                NotificationManager.IMPORTANCE_MIN);
 153        foregroundServiceChannel.setDescription(c.getString(R.string.foreground_service_channel_description, c.getString(R.string.app_name)));
 154        foregroundServiceChannel.setShowBadge(false);
 155        foregroundServiceChannel.setGroup("status");
 156        notificationManager.createNotificationChannel(foregroundServiceChannel);
 157        final NotificationChannel errorChannel = new NotificationChannel("error",
 158                c.getString(R.string.error_channel_name),
 159                NotificationManager.IMPORTANCE_LOW);
 160        errorChannel.setDescription(c.getString(R.string.error_channel_description));
 161        errorChannel.setShowBadge(false);
 162        errorChannel.setGroup("status");
 163        notificationManager.createNotificationChannel(errorChannel);
 164
 165        final NotificationChannel videoCompressionChannel = new NotificationChannel("compression",
 166                c.getString(R.string.video_compression_channel_name),
 167                NotificationManager.IMPORTANCE_LOW);
 168        videoCompressionChannel.setShowBadge(false);
 169        videoCompressionChannel.setGroup("status");
 170        notificationManager.createNotificationChannel(videoCompressionChannel);
 171
 172        final NotificationChannel exportChannel = new NotificationChannel("backup",
 173                c.getString(R.string.backup_channel_name),
 174                NotificationManager.IMPORTANCE_LOW);
 175        exportChannel.setShowBadge(false);
 176        exportChannel.setGroup("status");
 177        notificationManager.createNotificationChannel(exportChannel);
 178
 179        final NotificationChannel incomingCallsChannel = new NotificationChannel(INCOMING_CALLS_NOTIFICATION_CHANNEL,
 180                c.getString(R.string.incoming_calls_channel_name),
 181                NotificationManager.IMPORTANCE_HIGH);
 182        incomingCallsChannel.setSound(null, null);
 183        incomingCallsChannel.setShowBadge(false);
 184        incomingCallsChannel.setLightColor(LED_COLOR);
 185        incomingCallsChannel.enableLights(true);
 186        incomingCallsChannel.setGroup("calls");
 187        incomingCallsChannel.setBypassDnd(true);
 188        incomingCallsChannel.enableVibration(false);
 189        notificationManager.createNotificationChannel(incomingCallsChannel);
 190
 191        final NotificationChannel ongoingCallsChannel = new NotificationChannel("ongoing_calls",
 192                c.getString(R.string.ongoing_calls_channel_name),
 193                NotificationManager.IMPORTANCE_LOW);
 194        ongoingCallsChannel.setShowBadge(false);
 195        ongoingCallsChannel.setGroup("calls");
 196        notificationManager.createNotificationChannel(ongoingCallsChannel);
 197
 198
 199        final NotificationChannel messagesChannel = new NotificationChannel("messages",
 200                c.getString(R.string.messages_channel_name),
 201                NotificationManager.IMPORTANCE_HIGH);
 202        messagesChannel.setShowBadge(true);
 203        messagesChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 204                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 205                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 206                .build());
 207        messagesChannel.setLightColor(LED_COLOR);
 208        final int dat = 70;
 209        final long[] pattern = {0, 3 * dat, dat, dat};
 210        messagesChannel.setVibrationPattern(pattern);
 211        messagesChannel.enableVibration(true);
 212        messagesChannel.enableLights(true);
 213        messagesChannel.setGroup("chats");
 214        notificationManager.createNotificationChannel(messagesChannel);
 215        final NotificationChannel silentMessagesChannel = new NotificationChannel("silent_messages",
 216                c.getString(R.string.silent_messages_channel_name),
 217                NotificationManager.IMPORTANCE_LOW);
 218        silentMessagesChannel.setDescription(c.getString(R.string.silent_messages_channel_description));
 219        silentMessagesChannel.setShowBadge(true);
 220        silentMessagesChannel.setLightColor(LED_COLOR);
 221        silentMessagesChannel.enableLights(true);
 222        silentMessagesChannel.setGroup("chats");
 223        notificationManager.createNotificationChannel(silentMessagesChannel);
 224
 225        final NotificationChannel quietHoursChannel = new NotificationChannel("quiet_hours",
 226                c.getString(R.string.title_pref_quiet_hours),
 227                NotificationManager.IMPORTANCE_LOW);
 228        quietHoursChannel.setShowBadge(true);
 229        quietHoursChannel.setLightColor(LED_COLOR);
 230        quietHoursChannel.enableLights(true);
 231        quietHoursChannel.setGroup("chats");
 232        quietHoursChannel.enableVibration(false);
 233        quietHoursChannel.setSound(null, null);
 234
 235        notificationManager.createNotificationChannel(quietHoursChannel);
 236
 237        final NotificationChannel deliveryFailedChannel = new NotificationChannel("delivery_failed",
 238                c.getString(R.string.delivery_failed_channel_name),
 239                NotificationManager.IMPORTANCE_DEFAULT);
 240        deliveryFailedChannel.setShowBadge(false);
 241        deliveryFailedChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 242                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 243                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 244                .build());
 245        deliveryFailedChannel.setGroup("chats");
 246        notificationManager.createNotificationChannel(deliveryFailedChannel);
 247    }
 248
 249    private boolean notify(final Message message) {
 250        final Conversation conversation = (Conversation) message.getConversation();
 251        return message.getStatus() == Message.STATUS_RECEIVED
 252                && !conversation.isMuted()
 253                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
 254                && (!conversation.isWithStranger() || notificationsFromStrangers());
 255    }
 256
 257    public boolean notificationsFromStrangers() {
 258        return mXmppConnectionService.getBooleanPreference("notifications_from_strangers", R.bool.notifications_from_strangers);
 259    }
 260
 261    private boolean isQuietHours() {
 262        if (!mXmppConnectionService.getBooleanPreference("enable_quiet_hours", R.bool.enable_quiet_hours)) {
 263            return false;
 264        }
 265        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 266        final long startTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE));
 267        final long endTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE));
 268        final long nowTime = Calendar.getInstance().getTimeInMillis();
 269
 270        if (endTime < startTime) {
 271            return nowTime > startTime || nowTime < endTime;
 272        } else {
 273            return nowTime > startTime && nowTime < endTime;
 274        }
 275    }
 276
 277    public void pushFromBacklog(final Message message) {
 278        if (notify(message)) {
 279            synchronized (notifications) {
 280                getBacklogMessageCounter((Conversation) message.getConversation()).incrementAndGet();
 281                pushToStack(message);
 282            }
 283        }
 284    }
 285
 286    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
 287        synchronized (mBacklogMessageCounter) {
 288            if (!mBacklogMessageCounter.containsKey(conversation)) {
 289                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
 290            }
 291            return mBacklogMessageCounter.get(conversation);
 292        }
 293    }
 294
 295    void pushFromDirectReply(final Message message) {
 296        synchronized (notifications) {
 297            pushToStack(message);
 298            updateNotification(false);
 299        }
 300    }
 301
 302    public void finishBacklog(boolean notify, Account account) {
 303        synchronized (notifications) {
 304            mXmppConnectionService.updateUnreadCountBadge();
 305            if (account == null || !notify) {
 306                updateNotification(notify);
 307            } else {
 308                final int count;
 309                final List<String> conversations;
 310                synchronized (this.mBacklogMessageCounter) {
 311                    conversations = getBacklogConversations(account);
 312                    count = getBacklogMessageCount(account);
 313                }
 314                updateNotification(count > 0, conversations);
 315            }
 316        }
 317    }
 318
 319    private List<String> getBacklogConversations(Account account) {
 320        final List<String> conversations = new ArrayList<>();
 321        for (Map.Entry<Conversation, AtomicInteger> entry : mBacklogMessageCounter.entrySet()) {
 322            if (entry.getKey().getAccount() == account) {
 323                conversations.add(entry.getKey().getUuid());
 324            }
 325        }
 326        return conversations;
 327    }
 328
 329    private int getBacklogMessageCount(Account account) {
 330        int count = 0;
 331        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
 332            Map.Entry<Conversation, AtomicInteger> entry = it.next();
 333            if (entry.getKey().getAccount() == account) {
 334                count += entry.getValue().get();
 335                it.remove();
 336            }
 337        }
 338        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
 339        return count;
 340    }
 341
 342    void finishBacklog(boolean notify) {
 343        finishBacklog(notify, null);
 344    }
 345
 346    private void pushToStack(final Message message) {
 347        final String conversationUuid = message.getConversationUuid();
 348        if (notifications.containsKey(conversationUuid)) {
 349            notifications.get(conversationUuid).add(message);
 350        } else {
 351            final ArrayList<Message> mList = new ArrayList<>();
 352            mList.add(message);
 353            notifications.put(conversationUuid, mList);
 354        }
 355    }
 356
 357    public void push(final Message message) {
 358        synchronized (CATCHUP_LOCK) {
 359            final XmppConnection connection = message.getConversation().getAccount().getXmppConnection();
 360            if (connection != null && connection.isWaitingForSmCatchup()) {
 361                connection.incrementSmCatchupMessageCounter();
 362                pushFromBacklog(message);
 363            } else {
 364                pushNow(message);
 365            }
 366        }
 367    }
 368
 369    public void pushFailedDelivery(final Message message) {
 370        final Conversation conversation = (Conversation) message.getConversation();
 371        final boolean isScreenLocked = !mXmppConnectionService.isScreenLocked();
 372        if (this.mIsInForeground && isScreenLocked && this.mOpenConversation == message.getConversation()) {
 373            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing failed delivery notification because conversation is open");
 374            return;
 375        }
 376        final PendingIntent pendingIntent = createContentIntent(conversation);
 377        final int notificationId = generateRequestCode(conversation, 0) + DELIVERY_FAILED_NOTIFICATION_ID;
 378        final int failedDeliveries = conversation.countFailedDeliveries();
 379        final Notification notification =
 380                new Builder(mXmppConnectionService, "delivery_failed")
 381                        .setContentTitle(conversation.getName())
 382                        .setAutoCancel(true)
 383                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 384                        .setContentText(mXmppConnectionService.getResources().getQuantityText(R.plurals.some_messages_could_not_be_delivered, failedDeliveries))
 385                        .setGroup("delivery_failed")
 386                        .setContentIntent(pendingIntent).build();
 387        final Notification summaryNotification =
 388                new Builder(mXmppConnectionService, "delivery_failed")
 389                        .setContentTitle(mXmppConnectionService.getString(R.string.failed_deliveries))
 390                        .setContentText(mXmppConnectionService.getResources().getQuantityText(R.plurals.some_messages_could_not_be_delivered, 1024))
 391                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 392                        .setGroup("delivery_failed")
 393                        .setGroupSummary(true)
 394                        .setAutoCancel(true)
 395                        .build();
 396        notify(notificationId, notification);
 397        notify(DELIVERY_FAILED_NOTIFICATION_ID, summaryNotification);
 398    }
 399
 400    public void startRinging(final AbstractJingleConnection.Id id, final Set<Media> media) {
 401        showIncomingCallNotification(id, media);
 402        final NotificationManager notificationManager = (NotificationManager) mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
 403        final int currentInterruptionFilter;
 404        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && notificationManager != null) {
 405            currentInterruptionFilter = notificationManager.getCurrentInterruptionFilter();
 406        } else {
 407            currentInterruptionFilter = 1; //INTERRUPTION_FILTER_ALL
 408        }
 409        if (currentInterruptionFilter != 1) {
 410            Log.d(Config.LOGTAG,"do not ring or vibrate because interruption filter has been set to "+currentInterruptionFilter);
 411            return;
 412        }
 413        this.vibrationFuture = SCHEDULED_EXECUTOR_SERVICE.scheduleAtFixedRate(
 414                new VibrationRunnable(),
 415                0,
 416                3,
 417                TimeUnit.SECONDS
 418        );
 419        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 420        final Resources resources = mXmppConnectionService.getResources();
 421        final String ringtonePreference = preferences.getString("call_ringtone", resources.getString(R.string.incoming_call_ringtone));
 422        if (Strings.isNullOrEmpty(ringtonePreference)) {
 423            Log.d(Config.LOGTAG,"ringtone has been set to none");
 424            return;
 425        }
 426        final Uri uri = Uri.parse(ringtonePreference);
 427        this.currentlyPlayingRingtone = RingtoneManager.getRingtone(mXmppConnectionService, uri);
 428        if (this.currentlyPlayingRingtone == null) {
 429            Log.d(Config.LOGTAG,"unable to find ringtone for uri "+uri);
 430            return;
 431        }
 432        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 433            this.currentlyPlayingRingtone.setLooping(true);
 434        }
 435        this.currentlyPlayingRingtone.play();
 436    }
 437
 438    private void showIncomingCallNotification(final AbstractJingleConnection.Id id, final Set<Media> media) {
 439        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 440        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 441        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 442        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 443        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 444        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 445        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, INCOMING_CALLS_NOTIFICATION_CHANNEL);
 446        if (media.contains(Media.VIDEO)) {
 447            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 448            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_video_call));
 449        } else {
 450            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 451            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_call));
 452        }
 453        final Contact contact = id.getContact();
 454        builder.setLargeIcon(mXmppConnectionService.getAvatarService().get(
 455                contact,
 456                AvatarService.getSystemUiAvatarSize(mXmppConnectionService))
 457        );
 458        final Uri systemAccount = contact.getSystemAccount();
 459        if (systemAccount != null) {
 460            builder.addPerson(systemAccount.toString());
 461        }
 462        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 463        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 464        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 465        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 466        PendingIntent pendingIntent = createPendingRtpSession(id, Intent.ACTION_VIEW, 101);
 467        builder.setFullScreenIntent(pendingIntent, true);
 468        builder.setContentIntent(pendingIntent); //old androids need this?
 469        builder.setOngoing(true);
 470        builder.addAction(new NotificationCompat.Action.Builder(
 471                R.drawable.ic_call_end_white_48dp,
 472                mXmppConnectionService.getString(R.string.dismiss_call),
 473                createCallAction(id.sessionId, XmppConnectionService.ACTION_DISMISS_CALL, 102))
 474                .build());
 475        builder.addAction(new NotificationCompat.Action.Builder(
 476                R.drawable.ic_call_white_24dp,
 477                mXmppConnectionService.getString(R.string.answer_call),
 478                createPendingRtpSession(id, RtpSessionActivity.ACTION_ACCEPT_CALL, 103))
 479                .build());
 480        modifyIncomingCall(builder);
 481        final Notification notification = builder.build();
 482        notification.flags = notification.flags | Notification.FLAG_INSISTENT;
 483        notify(INCOMING_CALL_NOTIFICATION_ID, notification);
 484    }
 485
 486    public Notification getOngoingCallNotification(final AbstractJingleConnection.Id id, final Set<Media> media) {
 487        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "ongoing_calls");
 488        if (media.contains(Media.VIDEO)) {
 489            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 490            builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_video_call));
 491        } else {
 492            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 493            builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_call));
 494        }
 495        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 496        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 497        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 498        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 499        builder.setContentIntent(createPendingRtpSession(id, Intent.ACTION_VIEW, 101));
 500        builder.setOngoing(true);
 501        builder.addAction(new NotificationCompat.Action.Builder(
 502                R.drawable.ic_call_end_white_48dp,
 503                mXmppConnectionService.getString(R.string.hang_up),
 504                createCallAction(id.sessionId, XmppConnectionService.ACTION_END_CALL, 104))
 505                .build());
 506        return builder.build();
 507    }
 508
 509    private PendingIntent createPendingRtpSession(final AbstractJingleConnection.Id id, final String action, final int requestCode) {
 510        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 511        fullScreenIntent.setAction(action);
 512        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 513        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 514        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 515        return PendingIntent.getActivity(mXmppConnectionService, requestCode, fullScreenIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 516    }
 517
 518    public void cancelIncomingCallNotification() {
 519        stopSoundAndVibration();
 520        cancel(INCOMING_CALL_NOTIFICATION_ID);
 521    }
 522
 523    public boolean stopSoundAndVibration() {
 524        int stopped = 0;
 525        if (this.currentlyPlayingRingtone != null) {
 526            if (this.currentlyPlayingRingtone.isPlaying()) {
 527                Log.d(Config.LOGTAG, "stop playing ring tone");
 528                ++stopped;
 529            }
 530            this.currentlyPlayingRingtone.stop();
 531        }
 532        if (this.vibrationFuture != null && !this.vibrationFuture.isCancelled()) {
 533            Log.d(Config.LOGTAG, "stop vibration");
 534            this.vibrationFuture.cancel(true);
 535            ++stopped;
 536        }
 537        return stopped > 0;
 538    }
 539
 540    public static void cancelIncomingCallNotification(final Context context) {
 541        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
 542        try {
 543            notificationManager.cancel(INCOMING_CALL_NOTIFICATION_ID);
 544        } catch (RuntimeException e) {
 545            Log.d(Config.LOGTAG, "unable to cancel incoming call notification after crash", e);
 546        }
 547    }
 548
 549    private void pushNow(final Message message) {
 550        mXmppConnectionService.updateUnreadCountBadge();
 551        if (!notify(message)) {
 552            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
 553            return;
 554        }
 555        final boolean isScreenLocked = mXmppConnectionService.isScreenLocked();
 556        if (this.mIsInForeground && !isScreenLocked && this.mOpenConversation == message.getConversation()) {
 557            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
 558            return;
 559        }
 560        synchronized (notifications) {
 561            pushToStack(message);
 562            final Conversational conversation = message.getConversation();
 563            final Account account = conversation.getAccount();
 564            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || isScreenLocked)
 565                    && !account.inGracePeriod()
 566                    && !this.inMiniGracePeriod(account);
 567            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
 568        }
 569    }
 570
 571    public void clear() {
 572        synchronized (notifications) {
 573            for (ArrayList<Message> messages : notifications.values()) {
 574                markAsReadIfHasDirectReply(messages);
 575            }
 576            notifications.clear();
 577            updateNotification(false);
 578        }
 579    }
 580
 581    public void clear(final Conversation conversation) {
 582        synchronized (this.mBacklogMessageCounter) {
 583            this.mBacklogMessageCounter.remove(conversation);
 584        }
 585        synchronized (notifications) {
 586            markAsReadIfHasDirectReply(conversation);
 587            if (notifications.remove(conversation.getUuid()) != null) {
 588                cancel(conversation.getUuid(), NOTIFICATION_ID);
 589                updateNotification(false, null, true);
 590            }
 591        }
 592    }
 593
 594    private void markAsReadIfHasDirectReply(final Conversation conversation) {
 595        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
 596    }
 597
 598    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
 599        if (messages != null && messages.size() > 0) {
 600            Message last = messages.get(messages.size() - 1);
 601            if (last.getStatus() != Message.STATUS_RECEIVED) {
 602                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
 603                    mXmppConnectionService.updateConversationUi();
 604                }
 605            }
 606        }
 607    }
 608
 609    private void setNotificationColor(final Builder mBuilder) {
 610        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.green600));
 611    }
 612
 613    public void updateNotification() {
 614        synchronized (notifications) {
 615            updateNotification(false);
 616        }
 617    }
 618
 619    private void updateNotification(final boolean notify) {
 620        updateNotification(notify, null, false);
 621    }
 622
 623    private void updateNotification(final boolean notify, final List<String> conversations) {
 624        updateNotification(notify, conversations, false);
 625    }
 626
 627    private void updateNotification(final boolean notify, final List<String> conversations, final boolean summaryOnly) {
 628        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 629
 630        final boolean quiteHours = isQuietHours();
 631
 632        final boolean notifyOnlyOneChild = notify && conversations != null && conversations.size() == 1; //if this check is changed to > 0 catchup messages will create one notification per conversation
 633
 634
 635        if (notifications.size() == 0) {
 636            cancel(NOTIFICATION_ID);
 637        } else {
 638            if (notify) {
 639                this.markLastNotification();
 640            }
 641            final Builder mBuilder;
 642            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 643                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify, quiteHours);
 644                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 645                notify(NOTIFICATION_ID, mBuilder.build());
 646            } else {
 647                mBuilder = buildMultipleConversation(notify, quiteHours);
 648                if (notifyOnlyOneChild) {
 649                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 650                }
 651                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 652                if (!summaryOnly) {
 653                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
 654                        String uuid = entry.getKey();
 655                        final boolean notifyThis = notifyOnlyOneChild ? conversations.contains(uuid) : notify;
 656                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notifyThis, quiteHours);
 657                        if (!notifyOnlyOneChild) {
 658                            singleBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY);
 659                        }
 660                        modifyForSoundVibrationAndLight(singleBuilder, notifyThis, quiteHours, preferences);
 661                        singleBuilder.setGroup(CONVERSATIONS_GROUP);
 662                        setNotificationColor(singleBuilder);
 663                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
 664                    }
 665                }
 666                notify(NOTIFICATION_ID, mBuilder.build());
 667            }
 668        }
 669    }
 670
 671    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, boolean quietHours, SharedPreferences preferences) {
 672        final Resources resources = mXmppConnectionService.getResources();
 673        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
 674        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
 675        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 676        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
 677        if (notify && !quietHours) {
 678            if (vibrate) {
 679                final int dat = 70;
 680                final long[] pattern = {0, 3 * dat, dat, dat};
 681                mBuilder.setVibrate(pattern);
 682            } else {
 683                mBuilder.setVibrate(new long[]{0});
 684            }
 685            Uri uri = Uri.parse(ringtone);
 686            try {
 687                mBuilder.setSound(fixRingtoneUri(uri));
 688            } catch (SecurityException e) {
 689                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
 690            }
 691        } else {
 692            mBuilder.setLocalOnly(true);
 693        }
 694        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 695            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
 696        }
 697        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
 698        setNotificationColor(mBuilder);
 699        mBuilder.setDefaults(0);
 700        if (led) {
 701            mBuilder.setLights(LED_COLOR, 2000, 3000);
 702        }
 703    }
 704
 705    private void modifyIncomingCall(final Builder mBuilder) {
 706        mBuilder.setPriority(NotificationCompat.PRIORITY_HIGH);
 707        setNotificationColor(mBuilder);
 708        mBuilder.setLights(LED_COLOR, 2000, 3000);
 709    }
 710
 711    private Uri fixRingtoneUri(Uri uri) {
 712        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
 713            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
 714        } else {
 715            return uri;
 716        }
 717    }
 718
 719    private Builder buildMultipleConversation(final boolean notify, final boolean quietHours) {
 720        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 721        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 722        style.setBigContentTitle(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size()));
 723        final StringBuilder names = new StringBuilder();
 724        Conversation conversation = null;
 725        for (final ArrayList<Message> messages : notifications.values()) {
 726            if (messages.size() > 0) {
 727                conversation = (Conversation) messages.get(0).getConversation();
 728                final String name = conversation.getName().toString();
 729                SpannableString styledString;
 730                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 731                    int count = messages.size();
 732                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 733                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 734                    style.addLine(styledString);
 735                } else {
 736                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
 737                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 738                    style.addLine(styledString);
 739                }
 740                names.append(name);
 741                names.append(", ");
 742            }
 743        }
 744        if (names.length() >= 2) {
 745            names.delete(names.length() - 2, names.length());
 746        }
 747        final String contentTitle = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size());
 748        mBuilder.setContentTitle(contentTitle);
 749        mBuilder.setTicker(contentTitle);
 750        mBuilder.setContentText(names.toString());
 751        mBuilder.setStyle(style);
 752        if (conversation != null) {
 753            mBuilder.setContentIntent(createContentIntent(conversation));
 754        }
 755        mBuilder.setGroupSummary(true);
 756        mBuilder.setGroup(CONVERSATIONS_GROUP);
 757        mBuilder.setDeleteIntent(createDeleteIntent(null));
 758        mBuilder.setSmallIcon(R.drawable.ic_notification);
 759        return mBuilder;
 760    }
 761
 762    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify, final boolean quietHours) {
 763        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 764        if (messages.size() >= 1) {
 765            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 766            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
 767                    .get(conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 768            mBuilder.setContentTitle(conversation.getName());
 769            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 770                int count = messages.size();
 771                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 772            } else {
 773                Message message;
 774                //TODO starting with Android 9 we might want to put images in MessageStyle
 775                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P && (message = getImage(messages)) != null) {
 776                    modifyForImage(mBuilder, message, messages);
 777                } else {
 778                    modifyForTextOnly(mBuilder, messages);
 779                }
 780                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
 781                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
 782                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
 783                        R.drawable.ic_drafts_white_24dp,
 784                        mXmppConnectionService.getString(R.string.mark_as_read),
 785                        markAsReadPendingIntent)
 786                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_MARK_AS_READ)
 787                        .setShowsUserInterface(false)
 788                        .build();
 789                String replyLabel = mXmppConnectionService.getString(R.string.reply);
 790                NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
 791                        R.drawable.ic_send_text_offline,
 792                        replyLabel,
 793                        createReplyIntent(conversation, false))
 794                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
 795                        .setShowsUserInterface(false)
 796                        .addRemoteInput(remoteInput).build();
 797                NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
 798                        replyLabel,
 799                        createReplyIntent(conversation, true)).addRemoteInput(remoteInput).build();
 800                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
 801                int addedActionsCount = 1;
 802                mBuilder.addAction(markReadAction);
 803                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 804                    mBuilder.addAction(replyAction);
 805                    ++addedActionsCount;
 806                }
 807
 808                if (displaySnoozeAction(messages)) {
 809                    String label = mXmppConnectionService.getString(R.string.snooze);
 810                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
 811                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
 812                            R.drawable.ic_notifications_paused_white_24dp,
 813                            label,
 814                            pendingSnoozeIntent).build();
 815                    mBuilder.addAction(snoozeAction);
 816                    ++addedActionsCount;
 817                }
 818                if (addedActionsCount < 3) {
 819                    final Message firstLocationMessage = getFirstLocationMessage(messages);
 820                    if (firstLocationMessage != null) {
 821                        final PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
 822                        if (pendingShowLocationIntent != null) {
 823                            final String label = mXmppConnectionService.getResources().getString(R.string.show_location);
 824                            NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
 825                                    R.drawable.ic_room_white_24dp,
 826                                    label,
 827                                    pendingShowLocationIntent).build();
 828                            mBuilder.addAction(locationAction);
 829                            ++addedActionsCount;
 830                        }
 831                    }
 832                }
 833                if (addedActionsCount < 3) {
 834                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
 835                    if (firstDownloadableMessage != null) {
 836                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
 837                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
 838                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
 839                                R.drawable.ic_file_download_white_24dp,
 840                                label,
 841                                pendingDownloadIntent).build();
 842                        mBuilder.addAction(downloadAction);
 843                        ++addedActionsCount;
 844                    }
 845                }
 846            }
 847            if (conversation.getMode() == Conversation.MODE_SINGLE) {
 848                Contact contact = conversation.getContact();
 849                Uri systemAccount = contact.getSystemAccount();
 850                if (systemAccount != null) {
 851                    mBuilder.addPerson(systemAccount.toString());
 852                }
 853            }
 854            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
 855            mBuilder.setSmallIcon(R.drawable.ic_notification);
 856            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
 857            mBuilder.setContentIntent(createContentIntent(conversation));
 858        }
 859        return mBuilder;
 860    }
 861
 862    private void modifyForImage(final Builder builder, final Message message, final ArrayList<Message> messages) {
 863        try {
 864            final Bitmap bitmap = mXmppConnectionService.getFileBackend().getThumbnail(message, getPixel(288), false);
 865            final ArrayList<Message> tmp = new ArrayList<>();
 866            for (final Message msg : messages) {
 867                if (msg.getType() == Message.TYPE_TEXT
 868                        && msg.getTransferable() == null) {
 869                    tmp.add(msg);
 870                }
 871            }
 872            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
 873            bigPictureStyle.bigPicture(bitmap);
 874            if (tmp.size() > 0) {
 875                CharSequence text = getMergedBodies(tmp);
 876                bigPictureStyle.setSummaryText(text);
 877                builder.setContentText(text);
 878                builder.setTicker(text);
 879            } else {
 880                final String description = UIHelper.getFileDescriptionString(mXmppConnectionService, message);
 881                builder.setContentText(description);
 882                builder.setTicker(description);
 883            }
 884            builder.setStyle(bigPictureStyle);
 885        } catch (final IOException e) {
 886            modifyForTextOnly(builder, messages);
 887        }
 888    }
 889
 890    private Person getPerson(Message message) {
 891        final Contact contact = message.getContact();
 892        final Person.Builder builder = new Person.Builder();
 893        if (contact != null) {
 894            builder.setName(contact.getDisplayName());
 895            final Uri uri = contact.getSystemAccount();
 896            if (uri != null) {
 897                builder.setUri(uri.toString());
 898            }
 899        } else {
 900            builder.setName(UIHelper.getMessageDisplayName(message));
 901        }
 902        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 903            builder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(message, AvatarService.getSystemUiAvatarSize(mXmppConnectionService), false)));
 904        }
 905        return builder.build();
 906    }
 907
 908    private void modifyForTextOnly(final Builder builder, final ArrayList<Message> messages) {
 909        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 910            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 911            final Person.Builder meBuilder = new Person.Builder().setName(mXmppConnectionService.getString(R.string.me));
 912            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 913                meBuilder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(conversation.getAccount(), AvatarService.getSystemUiAvatarSize(mXmppConnectionService))));
 914            }
 915            final Person me = meBuilder.build();
 916            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(me);
 917            final boolean multiple = conversation.getMode() == Conversation.MODE_MULTI;
 918            if (multiple) {
 919                messagingStyle.setConversationTitle(conversation.getName());
 920            }
 921            for (Message message : messages) {
 922                final Person sender = message.getStatus() == Message.STATUS_RECEIVED ? getPerson(message) : null;
 923                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && isImageMessage(message)) {
 924                    final Uri dataUri = FileBackend.getMediaUri(mXmppConnectionService, mXmppConnectionService.getFileBackend().getFile(message));
 925                    NotificationCompat.MessagingStyle.Message imageMessage = new NotificationCompat.MessagingStyle.Message(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 926                    if (dataUri != null) {
 927                        imageMessage.setData(message.getMimeType(), dataUri);
 928                    }
 929                    messagingStyle.addMessage(imageMessage);
 930                } else {
 931                    messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 932                }
 933            }
 934            messagingStyle.setGroupConversation(multiple);
 935            builder.setStyle(messagingStyle);
 936        } else {
 937            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
 938                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
 939                final CharSequence preview = UIHelper.getMessagePreview(mXmppConnectionService, messages.get(messages.size() - 1)).first;
 940                builder.setContentText(preview);
 941                builder.setTicker(preview);
 942                builder.setNumber(messages.size());
 943            } else {
 944                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 945                SpannableString styledString;
 946                for (Message message : messages) {
 947                    final String name = UIHelper.getMessageDisplayName(message);
 948                    styledString = new SpannableString(name + ": " + message.getBody());
 949                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 950                    style.addLine(styledString);
 951                }
 952                builder.setStyle(style);
 953                int count = messages.size();
 954                if (count == 1) {
 955                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
 956                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
 957                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 958                    builder.setContentText(styledString);
 959                    builder.setTicker(styledString);
 960                } else {
 961                    final String text = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count);
 962                    builder.setContentText(text);
 963                    builder.setTicker(text);
 964                }
 965            }
 966        }
 967    }
 968
 969    private Message getImage(final Iterable<Message> messages) {
 970        Message image = null;
 971        for (final Message message : messages) {
 972            if (message.getStatus() != Message.STATUS_RECEIVED) {
 973                return null;
 974            }
 975            if (isImageMessage(message)) {
 976                image = message;
 977            }
 978        }
 979        return image;
 980    }
 981
 982    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
 983        for (final Message message : messages) {
 984            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
 985                return message;
 986            }
 987        }
 988        return null;
 989    }
 990
 991    private Message getFirstLocationMessage(final Iterable<Message> messages) {
 992        for (final Message message : messages) {
 993            if (message.isGeoUri()) {
 994                return message;
 995            }
 996        }
 997        return null;
 998    }
 999
1000    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
1001        final StringBuilder text = new StringBuilder();
1002        for (Message message : messages) {
1003            if (text.length() != 0) {
1004                text.append("\n");
1005            }
1006            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
1007        }
1008        return text.toString();
1009    }
1010
1011    private PendingIntent createShowLocationIntent(final Message message) {
1012        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
1013        for (Intent intent : intents) {
1014            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
1015                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1016            }
1017        }
1018        return null;
1019    }
1020
1021    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
1022        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
1023        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1024        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
1025        if (downloadMessageUuid != null) {
1026            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
1027            return PendingIntent.getActivity(mXmppConnectionService,
1028                    generateRequestCode(conversationUuid, 8),
1029                    viewConversationIntent,
1030                    PendingIntent.FLAG_UPDATE_CURRENT);
1031        } else {
1032            return PendingIntent.getActivity(mXmppConnectionService,
1033                    generateRequestCode(conversationUuid, 10),
1034                    viewConversationIntent,
1035                    PendingIntent.FLAG_UPDATE_CURRENT);
1036        }
1037    }
1038
1039    private int generateRequestCode(String uuid, int actionId) {
1040        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
1041    }
1042
1043    private int generateRequestCode(Conversational conversation, int actionId) {
1044        return generateRequestCode(conversation.getUuid(), actionId);
1045    }
1046
1047    private PendingIntent createDownloadIntent(final Message message) {
1048        return createContentIntent(message.getConversationUuid(), message.getUuid());
1049    }
1050
1051    private PendingIntent createContentIntent(final Conversational conversation) {
1052        return createContentIntent(conversation.getUuid(), null);
1053    }
1054
1055    private PendingIntent createDeleteIntent(Conversation conversation) {
1056        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1057        intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
1058        if (conversation != null) {
1059            intent.putExtra("uuid", conversation.getUuid());
1060            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
1061        }
1062        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
1063    }
1064
1065    private PendingIntent createReplyIntent(Conversation conversation, boolean dismissAfterReply) {
1066        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1067        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
1068        intent.putExtra("uuid", conversation.getUuid());
1069        intent.putExtra("dismiss_notification", dismissAfterReply);
1070        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
1071        return PendingIntent.getService(mXmppConnectionService, id, intent, 0);
1072    }
1073
1074    private PendingIntent createReadPendingIntent(Conversation conversation) {
1075        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1076        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
1077        intent.putExtra("uuid", conversation.getUuid());
1078        intent.setPackage(mXmppConnectionService.getPackageName());
1079        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1080    }
1081
1082    private PendingIntent createCallAction(String sessionId, final String action, int requestCode) {
1083        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1084        intent.setAction(action);
1085        intent.setPackage(mXmppConnectionService.getPackageName());
1086        intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, sessionId);
1087        return PendingIntent.getService(mXmppConnectionService, requestCode, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1088    }
1089
1090    private PendingIntent createSnoozeIntent(Conversation conversation) {
1091        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1092        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
1093        intent.putExtra("uuid", conversation.getUuid());
1094        intent.setPackage(mXmppConnectionService.getPackageName());
1095        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1096    }
1097
1098    private PendingIntent createTryAgainIntent() {
1099        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1100        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
1101        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
1102    }
1103
1104    private PendingIntent createDismissErrorIntent() {
1105        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1106        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
1107        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
1108    }
1109
1110    private boolean wasHighlightedOrPrivate(final Message message) {
1111        if (message.getConversation() instanceof Conversation) {
1112            Conversation conversation = (Conversation) message.getConversation();
1113            final String nick = conversation.getMucOptions().getActualNick();
1114            final Pattern highlight = generateNickHighlightPattern(nick);
1115            if (message.getBody() == null || nick == null) {
1116                return false;
1117            }
1118            final Matcher m = highlight.matcher(message.getBody());
1119            return (m.find() || message.isPrivateMessage());
1120        } else {
1121            return false;
1122        }
1123    }
1124
1125    public void setOpenConversation(final Conversation conversation) {
1126        this.mOpenConversation = conversation;
1127    }
1128
1129    public void setIsInForeground(final boolean foreground) {
1130        this.mIsInForeground = foreground;
1131    }
1132
1133    private int getPixel(final int dp) {
1134        final DisplayMetrics metrics = mXmppConnectionService.getResources()
1135                .getDisplayMetrics();
1136        return ((int) (dp * metrics.density));
1137    }
1138
1139    private void markLastNotification() {
1140        this.mLastNotification = SystemClock.elapsedRealtime();
1141    }
1142
1143    private boolean inMiniGracePeriod(final Account account) {
1144        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
1145                : Config.MINI_GRACE_PERIOD * 2;
1146        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
1147    }
1148
1149    Notification createForegroundNotification() {
1150        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1151        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.app_name));
1152        final List<Account> accounts = mXmppConnectionService.getAccounts();
1153        int enabled = 0;
1154        int connected = 0;
1155        if (accounts != null) {
1156            for (Account account : accounts) {
1157                if (account.isOnlineAndConnected()) {
1158                    connected++;
1159                    enabled++;
1160                } else if (account.isEnabled()) {
1161                    enabled++;
1162                }
1163            }
1164        }
1165        mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
1166        final PendingIntent openIntent = createOpenConversationsIntent();
1167        if (openIntent != null) {
1168            mBuilder.setContentIntent(openIntent);
1169        }
1170        mBuilder.setWhen(0);
1171        mBuilder.setPriority(Notification.PRIORITY_MIN);
1172        mBuilder.setSmallIcon(connected > 0 ? R.drawable.ic_link_white_24dp : R.drawable.ic_link_off_white_24dp);
1173
1174        if (Compatibility.runsTwentySix()) {
1175            mBuilder.setChannelId("foreground");
1176        }
1177
1178
1179        return mBuilder.build();
1180    }
1181
1182    private PendingIntent createOpenConversationsIntent() {
1183        try {
1184            return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
1185        } catch (RuntimeException e) {
1186            return null;
1187        }
1188    }
1189
1190    void updateErrorNotification() {
1191        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
1192            cancel(ERROR_NOTIFICATION_ID);
1193            return;
1194        }
1195        final boolean showAllErrors = QuickConversationsService.isConversations();
1196        final List<Account> errors = new ArrayList<>();
1197        boolean torNotAvailable = false;
1198        for (final Account account : mXmppConnectionService.getAccounts()) {
1199            if (account.hasErrorStatus() && account.showErrorNotification() && (showAllErrors || account.getLastErrorStatus() == Account.State.UNAUTHORIZED)) {
1200                errors.add(account);
1201                torNotAvailable |= account.getStatus() == Account.State.TOR_NOT_AVAILABLE;
1202            }
1203        }
1204        if (mXmppConnectionService.foregroundNotificationNeedsUpdatingWhenErrorStateChanges()) {
1205            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
1206        }
1207        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1208        if (errors.size() == 0) {
1209            cancel(ERROR_NOTIFICATION_ID);
1210            return;
1211        } else if (errors.size() == 1) {
1212            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
1213            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toEscapedString());
1214        } else {
1215            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
1216            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
1217        }
1218        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
1219                mXmppConnectionService.getString(R.string.try_again),
1220                createTryAgainIntent()
1221        );
1222        if (torNotAvailable) {
1223            if (TorServiceUtils.isOrbotInstalled(mXmppConnectionService)) {
1224                mBuilder.addAction(
1225                        R.drawable.ic_play_circle_filled_white_48dp,
1226                        mXmppConnectionService.getString(R.string.start_orbot),
1227                        PendingIntent.getActivity(mXmppConnectionService, 147, TorServiceUtils.LAUNCH_INTENT, 0)
1228                );
1229            } else {
1230                mBuilder.addAction(
1231                        R.drawable.ic_file_download_white_24dp,
1232                        mXmppConnectionService.getString(R.string.install_orbot),
1233                        PendingIntent.getActivity(mXmppConnectionService, 146, TorServiceUtils.INSTALL_INTENT, 0)
1234                );
1235            }
1236        }
1237        mBuilder.setDeleteIntent(createDismissErrorIntent());
1238        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
1239            mBuilder.setVisibility(Notification.VISIBILITY_PRIVATE);
1240            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
1241        } else {
1242            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
1243        }
1244        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
1245            mBuilder.setLocalOnly(true);
1246        }
1247        mBuilder.setPriority(Notification.PRIORITY_LOW);
1248        final Intent intent;
1249        if (AccountUtils.MANAGE_ACCOUNT_ACTIVITY != null) {
1250            intent = new Intent(mXmppConnectionService, AccountUtils.MANAGE_ACCOUNT_ACTIVITY);
1251        } else {
1252            intent = new Intent(mXmppConnectionService, EditAccountActivity.class);
1253            intent.putExtra("jid", errors.get(0).getJid().asBareJid().toEscapedString());
1254            intent.putExtra(EditAccountActivity.EXTRA_OPENED_FROM_NOTIFICATION, true);
1255        }
1256        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService, 145, intent, PendingIntent.FLAG_UPDATE_CURRENT));
1257        if (Compatibility.runsTwentySix()) {
1258            mBuilder.setChannelId("error");
1259        }
1260        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
1261    }
1262
1263    void updateFileAddingNotification(int current, Message message) {
1264        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1265        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
1266        mBuilder.setProgress(100, current, false);
1267        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
1268        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
1269        mBuilder.setOngoing(true);
1270        if (Compatibility.runsTwentySix()) {
1271            mBuilder.setChannelId("compression");
1272        }
1273        Notification notification = mBuilder.build();
1274        notify(FOREGROUND_NOTIFICATION_ID, notification);
1275    }
1276
1277    private void notify(String tag, int id, Notification notification) {
1278        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1279        try {
1280            notificationManager.notify(tag, id, notification);
1281        } catch (RuntimeException e) {
1282            Log.d(Config.LOGTAG, "unable to make notification", e);
1283        }
1284    }
1285
1286    public void notify(int id, Notification notification) {
1287        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1288        try {
1289            notificationManager.notify(id, notification);
1290        } catch (RuntimeException e) {
1291            Log.d(Config.LOGTAG, "unable to make notification", e);
1292        }
1293    }
1294
1295    public void cancel(int id) {
1296        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1297        try {
1298            notificationManager.cancel(id);
1299        } catch (RuntimeException e) {
1300            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1301        }
1302    }
1303
1304    private void cancel(String tag, int id) {
1305        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1306        try {
1307            notificationManager.cancel(tag, id);
1308        } catch (RuntimeException e) {
1309            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1310        }
1311    }
1312
1313    private class VibrationRunnable implements Runnable {
1314
1315        @Override
1316        public void run() {
1317            final Vibrator vibrator = (Vibrator) mXmppConnectionService.getSystemService(Context.VIBRATOR_SERVICE);
1318            vibrator.vibrate(CALL_PATTERN, -1);
1319        }
1320    }
1321}