1package eu.siacs.conversations.services;
   2
   3import android.app.Notification;
   4import android.app.NotificationChannel;
   5import android.app.NotificationChannelGroup;
   6import android.app.NotificationManager;
   7import android.app.PendingIntent;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.SharedPreferences;
  11import android.content.res.Resources;
  12import android.graphics.Bitmap;
  13import android.graphics.Typeface;
  14import android.media.AudioAttributes;
  15import android.media.Ringtone;
  16import android.media.RingtoneManager;
  17import android.net.Uri;
  18import android.os.Build;
  19import android.os.SystemClock;
  20import android.os.Vibrator;
  21import android.preference.PreferenceManager;
  22import android.text.SpannableString;
  23import android.text.style.StyleSpan;
  24import android.util.DisplayMetrics;
  25import android.util.Log;
  26
  27import androidx.annotation.RequiresApi;
  28import androidx.core.app.NotificationCompat;
  29import androidx.core.app.NotificationCompat.BigPictureStyle;
  30import androidx.core.app.NotificationCompat.Builder;
  31import androidx.core.app.NotificationManagerCompat;
  32import androidx.core.app.Person;
  33import androidx.core.app.RemoteInput;
  34import androidx.core.content.ContextCompat;
  35import androidx.core.graphics.drawable.IconCompat;
  36
  37import com.google.common.base.Strings;
  38import com.google.common.collect.Iterables;
  39
  40import java.io.File;
  41import java.io.IOException;
  42import java.util.ArrayList;
  43import java.util.Calendar;
  44import java.util.Collections;
  45import java.util.HashMap;
  46import java.util.Iterator;
  47import java.util.LinkedHashMap;
  48import java.util.List;
  49import java.util.Map;
  50import java.util.Set;
  51import java.util.concurrent.Executors;
  52import java.util.concurrent.ScheduledExecutorService;
  53import java.util.concurrent.ScheduledFuture;
  54import java.util.concurrent.TimeUnit;
  55import java.util.concurrent.atomic.AtomicInteger;
  56import java.util.regex.Matcher;
  57import java.util.regex.Pattern;
  58
  59import eu.siacs.conversations.Config;
  60import eu.siacs.conversations.R;
  61import eu.siacs.conversations.entities.Account;
  62import eu.siacs.conversations.entities.Contact;
  63import eu.siacs.conversations.entities.Conversation;
  64import eu.siacs.conversations.entities.Conversational;
  65import eu.siacs.conversations.entities.Message;
  66import eu.siacs.conversations.persistance.FileBackend;
  67import eu.siacs.conversations.ui.ConversationsActivity;
  68import eu.siacs.conversations.ui.EditAccountActivity;
  69import eu.siacs.conversations.ui.RtpSessionActivity;
  70import eu.siacs.conversations.ui.TimePreference;
  71import eu.siacs.conversations.utils.AccountUtils;
  72import eu.siacs.conversations.utils.Compatibility;
  73import eu.siacs.conversations.utils.GeoHelper;
  74import eu.siacs.conversations.utils.TorServiceUtils;
  75import eu.siacs.conversations.utils.UIHelper;
  76import eu.siacs.conversations.xmpp.XmppConnection;
  77import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  78import eu.siacs.conversations.xmpp.jingle.Media;
  79
  80public class NotificationService {
  81
  82    private static final ScheduledExecutorService SCHEDULED_EXECUTOR_SERVICE =
  83            Executors.newSingleThreadScheduledExecutor();
  84
  85    public static final Object CATCHUP_LOCK = new Object();
  86
  87    private static final int LED_COLOR = 0xff00ff00;
  88
  89    private static final long[] CALL_PATTERN = {0, 500, 300, 600};
  90
  91    private static final String CONVERSATIONS_GROUP = "eu.siacs.conversations";
  92    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
  93    static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
  94    private static final int NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 2;
  95    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
  96    private static final int INCOMING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 8;
  97    public static final int ONGOING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 10;
  98    private static final int DELIVERY_FAILED_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 12;
  99    private final XmppConnectionService mXmppConnectionService;
 100    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
 101    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
 102    private Conversation mOpenConversation;
 103    private boolean mIsInForeground;
 104    private long mLastNotification;
 105
 106    private static final String INCOMING_CALLS_NOTIFICATION_CHANNEL = "incoming_calls_channel";
 107    private Ringtone currentlyPlayingRingtone = null;
 108    private ScheduledFuture<?> vibrationFuture;
 109
 110    NotificationService(final XmppConnectionService service) {
 111        this.mXmppConnectionService = service;
 112    }
 113
 114    private static boolean displaySnoozeAction(List<Message> messages) {
 115        int numberOfMessagesWithoutReply = 0;
 116        for (Message message : messages) {
 117            if (message.getStatus() == Message.STATUS_RECEIVED) {
 118                ++numberOfMessagesWithoutReply;
 119            } else {
 120                return false;
 121            }
 122        }
 123        return numberOfMessagesWithoutReply >= 3;
 124    }
 125
 126    public static Pattern generateNickHighlightPattern(final String nick) {
 127        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "(?=\\s|$|\\p{Punct})");
 128    }
 129
 130    private static boolean isImageMessage(Message message) {
 131        return message.getType() != Message.TYPE_TEXT
 132                && message.getTransferable() == null
 133                && !message.isDeleted()
 134                && message.getEncryption() != Message.ENCRYPTION_PGP
 135                && message.getFileParams().height > 0;
 136    }
 137
 138    @RequiresApi(api = Build.VERSION_CODES.O)
 139    void initializeChannels() {
 140        final Context c = mXmppConnectionService;
 141        final NotificationManager notificationManager =
 142                c.getSystemService(NotificationManager.class);
 143        if (notificationManager == null) {
 144            return;
 145        }
 146
 147        notificationManager.deleteNotificationChannel("export");
 148        notificationManager.deleteNotificationChannel("incoming_calls");
 149
 150        notificationManager.createNotificationChannelGroup(
 151                new NotificationChannelGroup(
 152                        "status", c.getString(R.string.notification_group_status_information)));
 153        notificationManager.createNotificationChannelGroup(
 154                new NotificationChannelGroup(
 155                        "chats", c.getString(R.string.notification_group_messages)));
 156        notificationManager.createNotificationChannelGroup(
 157                new NotificationChannelGroup(
 158                        "calls", c.getString(R.string.notification_group_calls)));
 159        final NotificationChannel foregroundServiceChannel =
 160                new NotificationChannel(
 161                        "foreground",
 162                        c.getString(R.string.foreground_service_channel_name),
 163                        NotificationManager.IMPORTANCE_MIN);
 164        foregroundServiceChannel.setDescription(
 165                c.getString(
 166                        R.string.foreground_service_channel_description,
 167                        c.getString(R.string.app_name)));
 168        foregroundServiceChannel.setShowBadge(false);
 169        foregroundServiceChannel.setGroup("status");
 170        notificationManager.createNotificationChannel(foregroundServiceChannel);
 171        final NotificationChannel errorChannel =
 172                new NotificationChannel(
 173                        "error",
 174                        c.getString(R.string.error_channel_name),
 175                        NotificationManager.IMPORTANCE_LOW);
 176        errorChannel.setDescription(c.getString(R.string.error_channel_description));
 177        errorChannel.setShowBadge(false);
 178        errorChannel.setGroup("status");
 179        notificationManager.createNotificationChannel(errorChannel);
 180
 181        final NotificationChannel videoCompressionChannel =
 182                new NotificationChannel(
 183                        "compression",
 184                        c.getString(R.string.video_compression_channel_name),
 185                        NotificationManager.IMPORTANCE_LOW);
 186        videoCompressionChannel.setShowBadge(false);
 187        videoCompressionChannel.setGroup("status");
 188        notificationManager.createNotificationChannel(videoCompressionChannel);
 189
 190        final NotificationChannel exportChannel =
 191                new NotificationChannel(
 192                        "backup",
 193                        c.getString(R.string.backup_channel_name),
 194                        NotificationManager.IMPORTANCE_LOW);
 195        exportChannel.setShowBadge(false);
 196        exportChannel.setGroup("status");
 197        notificationManager.createNotificationChannel(exportChannel);
 198
 199        final NotificationChannel incomingCallsChannel =
 200                new NotificationChannel(
 201                        INCOMING_CALLS_NOTIFICATION_CHANNEL,
 202                        c.getString(R.string.incoming_calls_channel_name),
 203                        NotificationManager.IMPORTANCE_HIGH);
 204        incomingCallsChannel.setSound(null, null);
 205        incomingCallsChannel.setShowBadge(false);
 206        incomingCallsChannel.setLightColor(LED_COLOR);
 207        incomingCallsChannel.enableLights(true);
 208        incomingCallsChannel.setGroup("calls");
 209        incomingCallsChannel.setBypassDnd(true);
 210        incomingCallsChannel.enableVibration(false);
 211        notificationManager.createNotificationChannel(incomingCallsChannel);
 212
 213        final NotificationChannel ongoingCallsChannel =
 214                new NotificationChannel(
 215                        "ongoing_calls",
 216                        c.getString(R.string.ongoing_calls_channel_name),
 217                        NotificationManager.IMPORTANCE_LOW);
 218        ongoingCallsChannel.setShowBadge(false);
 219        ongoingCallsChannel.setGroup("calls");
 220        notificationManager.createNotificationChannel(ongoingCallsChannel);
 221
 222        final NotificationChannel messagesChannel =
 223                new NotificationChannel(
 224                        "messages",
 225                        c.getString(R.string.messages_channel_name),
 226                        NotificationManager.IMPORTANCE_HIGH);
 227        messagesChannel.setShowBadge(true);
 228        messagesChannel.setSound(
 229                RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION),
 230                new AudioAttributes.Builder()
 231                        .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 232                        .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 233                        .build());
 234        messagesChannel.setLightColor(LED_COLOR);
 235        final int dat = 70;
 236        final long[] pattern = {0, 3 * dat, dat, dat};
 237        messagesChannel.setVibrationPattern(pattern);
 238        messagesChannel.enableVibration(true);
 239        messagesChannel.enableLights(true);
 240        messagesChannel.setGroup("chats");
 241        notificationManager.createNotificationChannel(messagesChannel);
 242        final NotificationChannel silentMessagesChannel =
 243                new NotificationChannel(
 244                        "silent_messages",
 245                        c.getString(R.string.silent_messages_channel_name),
 246                        NotificationManager.IMPORTANCE_LOW);
 247        silentMessagesChannel.setDescription(
 248                c.getString(R.string.silent_messages_channel_description));
 249        silentMessagesChannel.setShowBadge(true);
 250        silentMessagesChannel.setLightColor(LED_COLOR);
 251        silentMessagesChannel.enableLights(true);
 252        silentMessagesChannel.setGroup("chats");
 253        notificationManager.createNotificationChannel(silentMessagesChannel);
 254
 255        final NotificationChannel quietHoursChannel =
 256                new NotificationChannel(
 257                        "quiet_hours",
 258                        c.getString(R.string.title_pref_quiet_hours),
 259                        NotificationManager.IMPORTANCE_LOW);
 260        quietHoursChannel.setShowBadge(true);
 261        quietHoursChannel.setLightColor(LED_COLOR);
 262        quietHoursChannel.enableLights(true);
 263        quietHoursChannel.setGroup("chats");
 264        quietHoursChannel.enableVibration(false);
 265        quietHoursChannel.setSound(null, null);
 266
 267        notificationManager.createNotificationChannel(quietHoursChannel);
 268
 269        final NotificationChannel deliveryFailedChannel =
 270                new NotificationChannel(
 271                        "delivery_failed",
 272                        c.getString(R.string.delivery_failed_channel_name),
 273                        NotificationManager.IMPORTANCE_DEFAULT);
 274        deliveryFailedChannel.setShowBadge(false);
 275        deliveryFailedChannel.setSound(
 276                RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION),
 277                new AudioAttributes.Builder()
 278                        .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 279                        .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 280                        .build());
 281        deliveryFailedChannel.setGroup("chats");
 282        notificationManager.createNotificationChannel(deliveryFailedChannel);
 283    }
 284
 285    private boolean notify(final Message message) {
 286        final Conversation conversation = (Conversation) message.getConversation();
 287        return message.getStatus() == Message.STATUS_RECEIVED
 288                && !conversation.isMuted()
 289                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
 290                && (!conversation.isWithStranger() || notificationsFromStrangers());
 291    }
 292
 293    public boolean notificationsFromStrangers() {
 294        return mXmppConnectionService.getBooleanPreference(
 295                "notifications_from_strangers", R.bool.notifications_from_strangers);
 296    }
 297
 298    private boolean isQuietHours() {
 299        if (!mXmppConnectionService.getBooleanPreference(
 300                "enable_quiet_hours", R.bool.enable_quiet_hours)) {
 301            return false;
 302        }
 303        final SharedPreferences preferences =
 304                PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 305        final long startTime =
 306                TimePreference.minutesToTimestamp(
 307                        preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE));
 308        final long endTime =
 309                TimePreference.minutesToTimestamp(
 310                        preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE));
 311        final long nowTime = Calendar.getInstance().getTimeInMillis();
 312
 313        if (endTime < startTime) {
 314            return nowTime > startTime || nowTime < endTime;
 315        } else {
 316            return nowTime > startTime && nowTime < endTime;
 317        }
 318    }
 319
 320    public void pushFromBacklog(final Message message) {
 321        if (notify(message)) {
 322            synchronized (notifications) {
 323                getBacklogMessageCounter((Conversation) message.getConversation())
 324                        .incrementAndGet();
 325                pushToStack(message);
 326            }
 327        }
 328    }
 329
 330    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
 331        synchronized (mBacklogMessageCounter) {
 332            if (!mBacklogMessageCounter.containsKey(conversation)) {
 333                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
 334            }
 335            return mBacklogMessageCounter.get(conversation);
 336        }
 337    }
 338
 339    void pushFromDirectReply(final Message message) {
 340        synchronized (notifications) {
 341            pushToStack(message);
 342            updateNotification(false);
 343        }
 344    }
 345
 346    public void finishBacklog(boolean notify, Account account) {
 347        synchronized (notifications) {
 348            mXmppConnectionService.updateUnreadCountBadge();
 349            if (account == null || !notify) {
 350                updateNotification(notify);
 351            } else {
 352                final int count;
 353                final List<String> conversations;
 354                synchronized (this.mBacklogMessageCounter) {
 355                    conversations = getBacklogConversations(account);
 356                    count = getBacklogMessageCount(account);
 357                }
 358                updateNotification(count > 0, conversations);
 359            }
 360        }
 361    }
 362
 363    private List<String> getBacklogConversations(Account account) {
 364        final List<String> conversations = new ArrayList<>();
 365        for (Map.Entry<Conversation, AtomicInteger> entry : mBacklogMessageCounter.entrySet()) {
 366            if (entry.getKey().getAccount() == account) {
 367                conversations.add(entry.getKey().getUuid());
 368            }
 369        }
 370        return conversations;
 371    }
 372
 373    private int getBacklogMessageCount(Account account) {
 374        int count = 0;
 375        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it =
 376                        mBacklogMessageCounter.entrySet().iterator();
 377                it.hasNext(); ) {
 378            Map.Entry<Conversation, AtomicInteger> entry = it.next();
 379            if (entry.getKey().getAccount() == account) {
 380                count += entry.getValue().get();
 381                it.remove();
 382            }
 383        }
 384        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
 385        return count;
 386    }
 387
 388    void finishBacklog(boolean notify) {
 389        finishBacklog(notify, null);
 390    }
 391
 392    private void pushToStack(final Message message) {
 393        final String conversationUuid = message.getConversationUuid();
 394        if (notifications.containsKey(conversationUuid)) {
 395            notifications.get(conversationUuid).add(message);
 396        } else {
 397            final ArrayList<Message> mList = new ArrayList<>();
 398            mList.add(message);
 399            notifications.put(conversationUuid, mList);
 400        }
 401    }
 402
 403    public void push(final Message message) {
 404        synchronized (CATCHUP_LOCK) {
 405            final XmppConnection connection =
 406                    message.getConversation().getAccount().getXmppConnection();
 407            if (connection != null && connection.isWaitingForSmCatchup()) {
 408                connection.incrementSmCatchupMessageCounter();
 409                pushFromBacklog(message);
 410            } else {
 411                pushNow(message);
 412            }
 413        }
 414    }
 415
 416    public void pushFailedDelivery(final Message message) {
 417        final Conversation conversation = (Conversation) message.getConversation();
 418        final boolean isScreenLocked = !mXmppConnectionService.isScreenLocked();
 419        if (this.mIsInForeground
 420                && isScreenLocked
 421                && this.mOpenConversation == message.getConversation()) {
 422            Log.d(
 423                    Config.LOGTAG,
 424                    message.getConversation().getAccount().getJid().asBareJid()
 425                            + ": suppressing failed delivery notification because conversation is open");
 426            return;
 427        }
 428        final PendingIntent pendingIntent = createContentIntent(conversation);
 429        final int notificationId =
 430                generateRequestCode(conversation, 0) + DELIVERY_FAILED_NOTIFICATION_ID;
 431        final int failedDeliveries = conversation.countFailedDeliveries();
 432        final Notification notification =
 433                new Builder(mXmppConnectionService, "delivery_failed")
 434                        .setContentTitle(conversation.getName())
 435                        .setAutoCancel(true)
 436                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 437                        .setContentText(
 438                                mXmppConnectionService
 439                                        .getResources()
 440                                        .getQuantityText(
 441                                                R.plurals.some_messages_could_not_be_delivered,
 442                                                failedDeliveries))
 443                        .setGroup("delivery_failed")
 444                        .setContentIntent(pendingIntent)
 445                        .build();
 446        final Notification summaryNotification =
 447                new Builder(mXmppConnectionService, "delivery_failed")
 448                        .setContentTitle(
 449                                mXmppConnectionService.getString(R.string.failed_deliveries))
 450                        .setContentText(
 451                                mXmppConnectionService
 452                                        .getResources()
 453                                        .getQuantityText(
 454                                                R.plurals.some_messages_could_not_be_delivered,
 455                                                1024))
 456                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 457                        .setGroup("delivery_failed")
 458                        .setGroupSummary(true)
 459                        .setAutoCancel(true)
 460                        .build();
 461        notify(notificationId, notification);
 462        notify(DELIVERY_FAILED_NOTIFICATION_ID, summaryNotification);
 463    }
 464
 465    public synchronized void startRinging(
 466            final AbstractJingleConnection.Id id, final Set<Media> media) {
 467        showIncomingCallNotification(id, media);
 468        final NotificationManager notificationManager =
 469                (NotificationManager)
 470                        mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
 471        final int currentInterruptionFilter;
 472        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && notificationManager != null) {
 473            currentInterruptionFilter = notificationManager.getCurrentInterruptionFilter();
 474        } else {
 475            currentInterruptionFilter = 1; // INTERRUPTION_FILTER_ALL
 476        }
 477        if (currentInterruptionFilter != 1) {
 478            Log.d(
 479                    Config.LOGTAG,
 480                    "do not ring or vibrate because interruption filter has been set to "
 481                            + currentInterruptionFilter);
 482            return;
 483        }
 484        final ScheduledFuture<?> currentVibrationFuture = this.vibrationFuture;
 485        this.vibrationFuture =
 486                SCHEDULED_EXECUTOR_SERVICE.scheduleAtFixedRate(
 487                        new VibrationRunnable(), 0, 3, TimeUnit.SECONDS);
 488        if (currentVibrationFuture != null) {
 489            currentVibrationFuture.cancel(true);
 490        }
 491        final SharedPreferences preferences =
 492                PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 493        final Resources resources = mXmppConnectionService.getResources();
 494        final String ringtonePreference =
 495                preferences.getString(
 496                        "call_ringtone", resources.getString(R.string.incoming_call_ringtone));
 497        if (Strings.isNullOrEmpty(ringtonePreference)) {
 498            Log.d(Config.LOGTAG, "ringtone has been set to none");
 499            return;
 500        }
 501        final Uri uri = Uri.parse(ringtonePreference);
 502        this.currentlyPlayingRingtone = RingtoneManager.getRingtone(mXmppConnectionService, uri);
 503        if (this.currentlyPlayingRingtone == null) {
 504            Log.d(Config.LOGTAG, "unable to find ringtone for uri " + uri);
 505            return;
 506        }
 507        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 508            this.currentlyPlayingRingtone.setLooping(true);
 509        }
 510        this.currentlyPlayingRingtone.play();
 511    }
 512
 513    private void showIncomingCallNotification(
 514            final AbstractJingleConnection.Id id, final Set<Media> media) {
 515        final Intent fullScreenIntent =
 516                new Intent(mXmppConnectionService, RtpSessionActivity.class);
 517        fullScreenIntent.putExtra(
 518                RtpSessionActivity.EXTRA_ACCOUNT,
 519                id.account.getJid().asBareJid().toEscapedString());
 520        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 521        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 522        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 523        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 524        final NotificationCompat.Builder builder =
 525                new NotificationCompat.Builder(
 526                        mXmppConnectionService, INCOMING_CALLS_NOTIFICATION_CHANNEL);
 527        if (media.contains(Media.VIDEO)) {
 528            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 529            builder.setContentTitle(
 530                    mXmppConnectionService.getString(R.string.rtp_state_incoming_video_call));
 531        } else {
 532            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 533            builder.setContentTitle(
 534                    mXmppConnectionService.getString(R.string.rtp_state_incoming_call));
 535        }
 536        final Contact contact = id.getContact();
 537        builder.setLargeIcon(
 538                mXmppConnectionService
 539                        .getAvatarService()
 540                        .get(contact, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 541        final Uri systemAccount = contact.getSystemAccount();
 542        if (systemAccount != null) {
 543            builder.addPerson(systemAccount.toString());
 544        }
 545        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 546        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 547        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 548        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 549        PendingIntent pendingIntent = createPendingRtpSession(id, Intent.ACTION_VIEW, 101);
 550        builder.setFullScreenIntent(pendingIntent, true);
 551        builder.setContentIntent(pendingIntent); // old androids need this?
 552        builder.setOngoing(true);
 553        builder.addAction(
 554                new NotificationCompat.Action.Builder(
 555                                R.drawable.ic_call_end_white_48dp,
 556                                mXmppConnectionService.getString(R.string.dismiss_call),
 557                                createCallAction(
 558                                        id.sessionId,
 559                                        XmppConnectionService.ACTION_DISMISS_CALL,
 560                                        102))
 561                        .build());
 562        builder.addAction(
 563                new NotificationCompat.Action.Builder(
 564                                R.drawable.ic_call_white_24dp,
 565                                mXmppConnectionService.getString(R.string.answer_call),
 566                                createPendingRtpSession(
 567                                        id, RtpSessionActivity.ACTION_ACCEPT_CALL, 103))
 568                        .build());
 569        modifyIncomingCall(builder);
 570        final Notification notification = builder.build();
 571        notification.flags = notification.flags | Notification.FLAG_INSISTENT;
 572        notify(INCOMING_CALL_NOTIFICATION_ID, notification);
 573    }
 574
 575    public Notification getOngoingCallNotification(
 576            final XmppConnectionService.OngoingCall ongoingCall) {
 577        final AbstractJingleConnection.Id id = ongoingCall.id;
 578        final NotificationCompat.Builder builder =
 579                new NotificationCompat.Builder(mXmppConnectionService, "ongoing_calls");
 580        if (ongoingCall.media.contains(Media.VIDEO)) {
 581            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 582            if (ongoingCall.reconnecting) {
 583                builder.setContentTitle(
 584                        mXmppConnectionService.getString(R.string.reconnecting_video_call));
 585            } else {
 586                builder.setContentTitle(
 587                        mXmppConnectionService.getString(R.string.ongoing_video_call));
 588            }
 589        } else {
 590            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 591            if (ongoingCall.reconnecting) {
 592                builder.setContentTitle(
 593                        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(
 605                new NotificationCompat.Action.Builder(
 606                                R.drawable.ic_call_end_white_48dp,
 607                                mXmppConnectionService.getString(R.string.hang_up),
 608                                createCallAction(
 609                                        id.sessionId, XmppConnectionService.ACTION_END_CALL, 104))
 610                        .build());
 611        return builder.build();
 612    }
 613
 614    private PendingIntent createPendingRtpSession(
 615            final AbstractJingleConnection.Id id, final String action, final int requestCode) {
 616        final Intent fullScreenIntent =
 617                new Intent(mXmppConnectionService, RtpSessionActivity.class);
 618        fullScreenIntent.setAction(action);
 619        fullScreenIntent.putExtra(
 620                RtpSessionActivity.EXTRA_ACCOUNT,
 621                id.account.getJid().asBareJid().toEscapedString());
 622        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 623        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 624        return PendingIntent.getActivity(
 625                mXmppConnectionService,
 626                requestCode,
 627                fullScreenIntent,
 628                PendingIntent.FLAG_UPDATE_CURRENT);
 629    }
 630
 631    public void cancelIncomingCallNotification() {
 632        stopSoundAndVibration();
 633        cancel(INCOMING_CALL_NOTIFICATION_ID);
 634    }
 635
 636    public boolean stopSoundAndVibration() {
 637        int stopped = 0;
 638        if (this.currentlyPlayingRingtone != null) {
 639            if (this.currentlyPlayingRingtone.isPlaying()) {
 640                Log.d(Config.LOGTAG, "stop playing ring tone");
 641                ++stopped;
 642            }
 643            this.currentlyPlayingRingtone.stop();
 644        }
 645        if (this.vibrationFuture != null && !this.vibrationFuture.isCancelled()) {
 646            Log.d(Config.LOGTAG, "stop vibration");
 647            this.vibrationFuture.cancel(true);
 648            ++stopped;
 649        }
 650        return stopped > 0;
 651    }
 652
 653    public static void cancelIncomingCallNotification(final Context context) {
 654        final NotificationManagerCompat notificationManager =
 655                NotificationManagerCompat.from(context);
 656        try {
 657            notificationManager.cancel(INCOMING_CALL_NOTIFICATION_ID);
 658        } catch (RuntimeException e) {
 659            Log.d(Config.LOGTAG, "unable to cancel incoming call notification after crash", e);
 660        }
 661    }
 662
 663    private void pushNow(final Message message) {
 664        mXmppConnectionService.updateUnreadCountBadge();
 665        if (!notify(message)) {
 666            Log.d(
 667                    Config.LOGTAG,
 668                    message.getConversation().getAccount().getJid().asBareJid()
 669                            + ": suppressing notification because turned off");
 670            return;
 671        }
 672        final boolean isScreenLocked = mXmppConnectionService.isScreenLocked();
 673        if (this.mIsInForeground
 674                && !isScreenLocked
 675                && this.mOpenConversation == message.getConversation()) {
 676            Log.d(
 677                    Config.LOGTAG,
 678                    message.getConversation().getAccount().getJid().asBareJid()
 679                            + ": suppressing notification because conversation is open");
 680            return;
 681        }
 682        synchronized (notifications) {
 683            pushToStack(message);
 684            final Conversational conversation = message.getConversation();
 685            final Account account = conversation.getAccount();
 686            final boolean doNotify =
 687                    (!(this.mIsInForeground && this.mOpenConversation == null) || isScreenLocked)
 688                            && !account.inGracePeriod()
 689                            && !this.inMiniGracePeriod(account);
 690            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
 691        }
 692    }
 693
 694    public void clear() {
 695        synchronized (notifications) {
 696            for (ArrayList<Message> messages : notifications.values()) {
 697                markAsReadIfHasDirectReply(messages);
 698            }
 699            notifications.clear();
 700            updateNotification(false);
 701        }
 702    }
 703
 704    public void clear(final Conversation conversation) {
 705        synchronized (this.mBacklogMessageCounter) {
 706            this.mBacklogMessageCounter.remove(conversation);
 707        }
 708        synchronized (notifications) {
 709            markAsReadIfHasDirectReply(conversation);
 710            if (notifications.remove(conversation.getUuid()) != null) {
 711                cancel(conversation.getUuid(), NOTIFICATION_ID);
 712                updateNotification(false, null, true);
 713            }
 714        }
 715    }
 716
 717    private void markAsReadIfHasDirectReply(final Conversation conversation) {
 718        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
 719    }
 720
 721    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
 722        if (messages != null && messages.size() > 0) {
 723            Message last = messages.get(messages.size() - 1);
 724            if (last.getStatus() != Message.STATUS_RECEIVED) {
 725                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
 726                    mXmppConnectionService.updateConversationUi();
 727                }
 728            }
 729        }
 730    }
 731
 732    private void setNotificationColor(final Builder mBuilder) {
 733        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.green600));
 734    }
 735
 736    public void updateNotification() {
 737        synchronized (notifications) {
 738            updateNotification(false);
 739        }
 740    }
 741
 742    private void updateNotification(final boolean notify) {
 743        updateNotification(notify, null, false);
 744    }
 745
 746    private void updateNotification(final boolean notify, final List<String> conversations) {
 747        updateNotification(notify, conversations, false);
 748    }
 749
 750    private void updateNotification(
 751            final boolean notify, final List<String> conversations, final boolean summaryOnly) {
 752        final SharedPreferences preferences =
 753                PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 754
 755        final boolean quiteHours = isQuietHours();
 756
 757        final boolean notifyOnlyOneChild =
 758                notify
 759                        && conversations != null
 760                        && conversations.size()
 761                                == 1; // if this check is changed to > 0 catchup messages will
 762                                      // create one notification per conversation
 763
 764        if (notifications.size() == 0) {
 765            cancel(NOTIFICATION_ID);
 766        } else {
 767            if (notify) {
 768                this.markLastNotification();
 769            }
 770            final Builder mBuilder;
 771            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 772                mBuilder =
 773                        buildSingleConversations(
 774                                notifications.values().iterator().next(), notify, quiteHours);
 775                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 776                notify(NOTIFICATION_ID, mBuilder.build());
 777            } else {
 778                mBuilder = buildMultipleConversation(notify, quiteHours);
 779                if (notifyOnlyOneChild) {
 780                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 781                }
 782                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 783                if (!summaryOnly) {
 784                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
 785                        String uuid = entry.getKey();
 786                        final boolean notifyThis =
 787                                notifyOnlyOneChild ? conversations.contains(uuid) : notify;
 788                        Builder singleBuilder =
 789                                buildSingleConversations(entry.getValue(), notifyThis, quiteHours);
 790                        if (!notifyOnlyOneChild) {
 791                            singleBuilder.setGroupAlertBehavior(
 792                                    NotificationCompat.GROUP_ALERT_SUMMARY);
 793                        }
 794                        modifyForSoundVibrationAndLight(
 795                                singleBuilder, notifyThis, quiteHours, preferences);
 796                        singleBuilder.setGroup(CONVERSATIONS_GROUP);
 797                        setNotificationColor(singleBuilder);
 798                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
 799                    }
 800                }
 801                notify(NOTIFICATION_ID, mBuilder.build());
 802            }
 803        }
 804    }
 805
 806    private void modifyForSoundVibrationAndLight(
 807            Builder mBuilder, boolean notify, boolean quietHours, SharedPreferences preferences) {
 808        final Resources resources = mXmppConnectionService.getResources();
 809        final String ringtone =
 810                preferences.getString(
 811                        "notification_ringtone",
 812                        resources.getString(R.string.notification_ringtone));
 813        final boolean vibrate =
 814                preferences.getBoolean(
 815                        "vibrate_on_notification",
 816                        resources.getBoolean(R.bool.vibrate_on_notification));
 817        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 818        final boolean headsup =
 819                preferences.getBoolean(
 820                        "notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
 821        if (notify && !quietHours) {
 822            if (vibrate) {
 823                final int dat = 70;
 824                final long[] pattern = {0, 3 * dat, dat, dat};
 825                mBuilder.setVibrate(pattern);
 826            } else {
 827                mBuilder.setVibrate(new long[] {0});
 828            }
 829            Uri uri = Uri.parse(ringtone);
 830            try {
 831                mBuilder.setSound(fixRingtoneUri(uri));
 832            } catch (SecurityException e) {
 833                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
 834            }
 835        } else {
 836            mBuilder.setLocalOnly(true);
 837        }
 838        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 839            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
 840        }
 841        mBuilder.setPriority(
 842                notify
 843                        ? (headsup
 844                                ? NotificationCompat.PRIORITY_HIGH
 845                                : NotificationCompat.PRIORITY_DEFAULT)
 846                        : NotificationCompat.PRIORITY_LOW);
 847        setNotificationColor(mBuilder);
 848        mBuilder.setDefaults(0);
 849        if (led) {
 850            mBuilder.setLights(LED_COLOR, 2000, 3000);
 851        }
 852    }
 853
 854    private void modifyIncomingCall(final Builder mBuilder) {
 855        mBuilder.setPriority(NotificationCompat.PRIORITY_HIGH);
 856        setNotificationColor(mBuilder);
 857        mBuilder.setLights(LED_COLOR, 2000, 3000);
 858    }
 859
 860    private Uri fixRingtoneUri(Uri uri) {
 861        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
 862            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
 863        } else {
 864            return uri;
 865        }
 866    }
 867
 868    private Builder buildMultipleConversation(final boolean notify, final boolean quietHours) {
 869        final Builder mBuilder =
 870                new NotificationCompat.Builder(
 871                        mXmppConnectionService,
 872                        quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 873        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 874        style.setBigContentTitle(
 875                mXmppConnectionService
 876                        .getResources()
 877                        .getQuantityString(
 878                                R.plurals.x_unread_conversations,
 879                                notifications.size(),
 880                                notifications.size()));
 881        final StringBuilder names = new StringBuilder();
 882        Conversation conversation = null;
 883        for (final ArrayList<Message> messages : notifications.values()) {
 884            if (messages.size() > 0) {
 885                conversation = (Conversation) messages.get(0).getConversation();
 886                final String name = conversation.getName().toString();
 887                SpannableString styledString;
 888                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 889                    int count = messages.size();
 890                    styledString =
 891                            new SpannableString(
 892                                    name
 893                                            + ": "
 894                                            + mXmppConnectionService
 895                                                    .getResources()
 896                                                    .getQuantityString(
 897                                                            R.plurals.x_messages, count, count));
 898                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 899                    style.addLine(styledString);
 900                } else {
 901                    styledString =
 902                            new SpannableString(
 903                                    name
 904                                            + ": "
 905                                            + UIHelper.getMessagePreview(
 906                                                            mXmppConnectionService, messages.get(0))
 907                                                    .first);
 908                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 909                    style.addLine(styledString);
 910                }
 911                names.append(name);
 912                names.append(", ");
 913            }
 914        }
 915        if (names.length() >= 2) {
 916            names.delete(names.length() - 2, names.length());
 917        }
 918        final String contentTitle =
 919                mXmppConnectionService
 920                        .getResources()
 921                        .getQuantityString(
 922                                R.plurals.x_unread_conversations,
 923                                notifications.size(),
 924                                notifications.size());
 925        mBuilder.setContentTitle(contentTitle);
 926        mBuilder.setTicker(contentTitle);
 927        mBuilder.setContentText(names.toString());
 928        mBuilder.setStyle(style);
 929        if (conversation != null) {
 930            mBuilder.setContentIntent(createContentIntent(conversation));
 931        }
 932        mBuilder.setGroupSummary(true);
 933        mBuilder.setGroup(CONVERSATIONS_GROUP);
 934        mBuilder.setDeleteIntent(createDeleteIntent(null));
 935        mBuilder.setSmallIcon(R.drawable.ic_notification);
 936        return mBuilder;
 937    }
 938
 939    private Builder buildSingleConversations(
 940            final ArrayList<Message> messages, final boolean notify, final boolean quietHours) {
 941        final Builder mBuilder =
 942                new NotificationCompat.Builder(
 943                        mXmppConnectionService,
 944                        quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 945        if (messages.size() >= 1) {
 946            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 947            mBuilder.setLargeIcon(
 948                    mXmppConnectionService
 949                            .getAvatarService()
 950                            .get(
 951                                    conversation,
 952                                    AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 953            mBuilder.setContentTitle(conversation.getName());
 954            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 955                int count = messages.size();
 956                mBuilder.setContentText(
 957                        mXmppConnectionService
 958                                .getResources()
 959                                .getQuantityString(R.plurals.x_messages, count, count));
 960            } else {
 961                Message message;
 962                // TODO starting with Android 9 we might want to put images in MessageStyle
 963                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P
 964                        && (message = getImage(messages)) != null) {
 965                    modifyForImage(mBuilder, message, messages);
 966                } else {
 967                    modifyForTextOnly(mBuilder, messages);
 968                }
 969                RemoteInput remoteInput =
 970                        new RemoteInput.Builder("text_reply")
 971                                .setLabel(
 972                                        UIHelper.getMessageHint(
 973                                                mXmppConnectionService, conversation))
 974                                .build();
 975                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
 976                NotificationCompat.Action markReadAction =
 977                        new NotificationCompat.Action.Builder(
 978                                        R.drawable.ic_drafts_white_24dp,
 979                                        mXmppConnectionService.getString(R.string.mark_as_read),
 980                                        markAsReadPendingIntent)
 981                                .setSemanticAction(
 982                                        NotificationCompat.Action.SEMANTIC_ACTION_MARK_AS_READ)
 983                                .setShowsUserInterface(false)
 984                                .build();
 985                final String replyLabel = mXmppConnectionService.getString(R.string.reply);
 986                final String lastMessageUuid = Iterables.getLast(messages).getUuid();
 987                final NotificationCompat.Action replyAction =
 988                        new NotificationCompat.Action.Builder(
 989                                        R.drawable.ic_send_text_offline,
 990                                        replyLabel,
 991                                        createReplyIntent(conversation, lastMessageUuid, false))
 992                                .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
 993                                .setShowsUserInterface(false)
 994                                .addRemoteInput(remoteInput)
 995                                .build();
 996                final NotificationCompat.Action wearReplyAction =
 997                        new NotificationCompat.Action.Builder(
 998                                        R.drawable.ic_wear_reply,
 999                                        replyLabel,
1000                                        createReplyIntent(conversation, lastMessageUuid, true))
1001                                .addRemoteInput(remoteInput)
1002                                .build();
1003                mBuilder.extend(
1004                        new NotificationCompat.WearableExtender().addAction(wearReplyAction));
1005                int addedActionsCount = 1;
1006                mBuilder.addAction(markReadAction);
1007                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1008                    mBuilder.addAction(replyAction);
1009                    ++addedActionsCount;
1010                }
1011
1012                if (displaySnoozeAction(messages)) {
1013                    String label = mXmppConnectionService.getString(R.string.snooze);
1014                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
1015                    NotificationCompat.Action snoozeAction =
1016                            new NotificationCompat.Action.Builder(
1017                                            R.drawable.ic_notifications_paused_white_24dp,
1018                                            label,
1019                                            pendingSnoozeIntent)
1020                                    .build();
1021                    mBuilder.addAction(snoozeAction);
1022                    ++addedActionsCount;
1023                }
1024                if (addedActionsCount < 3) {
1025                    final Message firstLocationMessage = getFirstLocationMessage(messages);
1026                    if (firstLocationMessage != null) {
1027                        final PendingIntent pendingShowLocationIntent =
1028                                createShowLocationIntent(firstLocationMessage);
1029                        if (pendingShowLocationIntent != null) {
1030                            final String label =
1031                                    mXmppConnectionService
1032                                            .getResources()
1033                                            .getString(R.string.show_location);
1034                            NotificationCompat.Action locationAction =
1035                                    new NotificationCompat.Action.Builder(
1036                                                    R.drawable.ic_room_white_24dp,
1037                                                    label,
1038                                                    pendingShowLocationIntent)
1039                                            .build();
1040                            mBuilder.addAction(locationAction);
1041                            ++addedActionsCount;
1042                        }
1043                    }
1044                }
1045                if (addedActionsCount < 3) {
1046                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
1047                    if (firstDownloadableMessage != null) {
1048                        String label =
1049                                mXmppConnectionService
1050                                        .getResources()
1051                                        .getString(
1052                                                R.string.download_x_file,
1053                                                UIHelper.getFileDescriptionString(
1054                                                        mXmppConnectionService,
1055                                                        firstDownloadableMessage));
1056                        PendingIntent pendingDownloadIntent =
1057                                createDownloadIntent(firstDownloadableMessage);
1058                        NotificationCompat.Action downloadAction =
1059                                new NotificationCompat.Action.Builder(
1060                                                R.drawable.ic_file_download_white_24dp,
1061                                                label,
1062                                                pendingDownloadIntent)
1063                                        .build();
1064                        mBuilder.addAction(downloadAction);
1065                        ++addedActionsCount;
1066                    }
1067                }
1068            }
1069            if (conversation.getMode() == Conversation.MODE_SINGLE) {
1070                Contact contact = conversation.getContact();
1071                Uri systemAccount = contact.getSystemAccount();
1072                if (systemAccount != null) {
1073                    mBuilder.addPerson(systemAccount.toString());
1074                }
1075            }
1076            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
1077            mBuilder.setSmallIcon(R.drawable.ic_notification);
1078            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
1079            mBuilder.setContentIntent(createContentIntent(conversation));
1080        }
1081        return mBuilder;
1082    }
1083
1084    private void modifyForImage(
1085            final Builder builder, final Message message, final ArrayList<Message> messages) {
1086        try {
1087            final Bitmap bitmap =
1088                    mXmppConnectionService
1089                            .getFileBackend()
1090                            .getThumbnail(message, getPixel(288), false);
1091            final ArrayList<Message> tmp = new ArrayList<>();
1092            for (final Message msg : messages) {
1093                if (msg.getType() == Message.TYPE_TEXT && msg.getTransferable() == null) {
1094                    tmp.add(msg);
1095                }
1096            }
1097            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
1098            bigPictureStyle.bigPicture(bitmap);
1099            if (tmp.size() > 0) {
1100                CharSequence text = getMergedBodies(tmp);
1101                bigPictureStyle.setSummaryText(text);
1102                builder.setContentText(text);
1103                builder.setTicker(text);
1104            } else {
1105                final String description =
1106                        UIHelper.getFileDescriptionString(mXmppConnectionService, message);
1107                builder.setContentText(description);
1108                builder.setTicker(description);
1109            }
1110            builder.setStyle(bigPictureStyle);
1111        } catch (final IOException e) {
1112            modifyForTextOnly(builder, messages);
1113        }
1114    }
1115
1116    private Person getPerson(Message message) {
1117        final Contact contact = message.getContact();
1118        final Person.Builder builder = new Person.Builder();
1119        if (contact != null) {
1120            builder.setName(contact.getDisplayName());
1121            final Uri uri = contact.getSystemAccount();
1122            if (uri != null) {
1123                builder.setUri(uri.toString());
1124            }
1125        } else {
1126            builder.setName(UIHelper.getMessageDisplayName(message));
1127        }
1128        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
1129            builder.setIcon(
1130                    IconCompat.createWithBitmap(
1131                            mXmppConnectionService
1132                                    .getAvatarService()
1133                                    .get(
1134                                            message,
1135                                            AvatarService.getSystemUiAvatarSize(
1136                                                    mXmppConnectionService),
1137                                            false)));
1138        }
1139        return builder.build();
1140    }
1141
1142    private void modifyForTextOnly(final Builder builder, final ArrayList<Message> messages) {
1143        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
1144            final Conversation conversation = (Conversation) messages.get(0).getConversation();
1145            final Person.Builder meBuilder =
1146                    new Person.Builder().setName(mXmppConnectionService.getString(R.string.me));
1147            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
1148                meBuilder.setIcon(
1149                        IconCompat.createWithBitmap(
1150                                mXmppConnectionService
1151                                        .getAvatarService()
1152                                        .get(
1153                                                conversation.getAccount(),
1154                                                AvatarService.getSystemUiAvatarSize(
1155                                                        mXmppConnectionService))));
1156            }
1157            final Person me = meBuilder.build();
1158            NotificationCompat.MessagingStyle messagingStyle =
1159                    new NotificationCompat.MessagingStyle(me);
1160            final boolean multiple = conversation.getMode() == Conversation.MODE_MULTI;
1161            if (multiple) {
1162                messagingStyle.setConversationTitle(conversation.getName());
1163            }
1164            for (Message message : messages) {
1165                final Person sender =
1166                        message.getStatus() == Message.STATUS_RECEIVED ? getPerson(message) : null;
1167                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && isImageMessage(message)) {
1168                    final Uri dataUri =
1169                            FileBackend.getMediaUri(
1170                                    mXmppConnectionService,
1171                                    mXmppConnectionService.getFileBackend().getFile(message));
1172                    NotificationCompat.MessagingStyle.Message imageMessage =
1173                            new NotificationCompat.MessagingStyle.Message(
1174                                    UIHelper.getMessagePreview(mXmppConnectionService, message)
1175                                            .first,
1176                                    message.getTimeSent(),
1177                                    sender);
1178                    if (dataUri != null) {
1179                        imageMessage.setData(message.getMimeType(), dataUri);
1180                    }
1181                    messagingStyle.addMessage(imageMessage);
1182                } else {
1183                    messagingStyle.addMessage(
1184                            UIHelper.getMessagePreview(mXmppConnectionService, message).first,
1185                            message.getTimeSent(),
1186                            sender);
1187                }
1188            }
1189            messagingStyle.setGroupConversation(multiple);
1190            builder.setStyle(messagingStyle);
1191        } else {
1192            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
1193                builder.setStyle(
1194                        new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
1195                final CharSequence preview =
1196                        UIHelper.getMessagePreview(
1197                                        mXmppConnectionService, messages.get(messages.size() - 1))
1198                                .first;
1199                builder.setContentText(preview);
1200                builder.setTicker(preview);
1201                builder.setNumber(messages.size());
1202            } else {
1203                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
1204                SpannableString styledString;
1205                for (Message message : messages) {
1206                    final String name = UIHelper.getMessageDisplayName(message);
1207                    styledString = new SpannableString(name + ": " + message.getBody());
1208                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
1209                    style.addLine(styledString);
1210                }
1211                builder.setStyle(style);
1212                int count = messages.size();
1213                if (count == 1) {
1214                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
1215                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
1216                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
1217                    builder.setContentText(styledString);
1218                    builder.setTicker(styledString);
1219                } else {
1220                    final String text =
1221                            mXmppConnectionService
1222                                    .getResources()
1223                                    .getQuantityString(R.plurals.x_messages, count, count);
1224                    builder.setContentText(text);
1225                    builder.setTicker(text);
1226                }
1227            }
1228        }
1229    }
1230
1231    private Message getImage(final Iterable<Message> messages) {
1232        Message image = null;
1233        for (final Message message : messages) {
1234            if (message.getStatus() != Message.STATUS_RECEIVED) {
1235                return null;
1236            }
1237            if (isImageMessage(message)) {
1238                image = message;
1239            }
1240        }
1241        return image;
1242    }
1243
1244    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
1245        for (final Message message : messages) {
1246            if (message.getTransferable() != null
1247                    || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
1248                return message;
1249            }
1250        }
1251        return null;
1252    }
1253
1254    private Message getFirstLocationMessage(final Iterable<Message> messages) {
1255        for (final Message message : messages) {
1256            if (message.isGeoUri()) {
1257                return message;
1258            }
1259        }
1260        return null;
1261    }
1262
1263    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
1264        final StringBuilder text = new StringBuilder();
1265        for (Message message : messages) {
1266            if (text.length() != 0) {
1267                text.append("\n");
1268            }
1269            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
1270        }
1271        return text.toString();
1272    }
1273
1274    private PendingIntent createShowLocationIntent(final Message message) {
1275        Iterable<Intent> intents =
1276                GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
1277        for (final Intent intent : intents) {
1278            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
1279                return PendingIntent.getActivity(
1280                        mXmppConnectionService,
1281                        generateRequestCode(message.getConversation(), 18),
1282                        intent,
1283                        PendingIntent.FLAG_UPDATE_CURRENT);
1284            }
1285        }
1286        return null;
1287    }
1288
1289    private PendingIntent createContentIntent(
1290            final String conversationUuid, final String downloadMessageUuid) {
1291        final Intent viewConversationIntent =
1292                new Intent(mXmppConnectionService, ConversationsActivity.class);
1293        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1294        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
1295        if (downloadMessageUuid != null) {
1296            viewConversationIntent.putExtra(
1297                    ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
1298            return PendingIntent.getActivity(
1299                    mXmppConnectionService,
1300                    generateRequestCode(conversationUuid, 8),
1301                    viewConversationIntent,
1302                    PendingIntent.FLAG_UPDATE_CURRENT);
1303        } else {
1304            return PendingIntent.getActivity(
1305                    mXmppConnectionService,
1306                    generateRequestCode(conversationUuid, 10),
1307                    viewConversationIntent,
1308                    PendingIntent.FLAG_UPDATE_CURRENT);
1309        }
1310    }
1311
1312    private int generateRequestCode(String uuid, int actionId) {
1313        return (actionId * NOTIFICATION_ID_MULTIPLIER)
1314                + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
1315    }
1316
1317    private int generateRequestCode(Conversational conversation, int actionId) {
1318        return generateRequestCode(conversation.getUuid(), actionId);
1319    }
1320
1321    private PendingIntent createDownloadIntent(final Message message) {
1322        return createContentIntent(message.getConversationUuid(), message.getUuid());
1323    }
1324
1325    private PendingIntent createContentIntent(final Conversational conversation) {
1326        return createContentIntent(conversation.getUuid(), null);
1327    }
1328
1329    private PendingIntent createDeleteIntent(Conversation conversation) {
1330        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1331        intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
1332        if (conversation != null) {
1333            intent.putExtra("uuid", conversation.getUuid());
1334            return PendingIntent.getService(
1335                    mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
1336        }
1337        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
1338    }
1339
1340    private PendingIntent createReplyIntent(
1341            final Conversation conversation,
1342            final String lastMessageUuid,
1343            final boolean dismissAfterReply) {
1344        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1345        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
1346        intent.putExtra("uuid", conversation.getUuid());
1347        intent.putExtra("dismiss_notification", dismissAfterReply);
1348        intent.putExtra("last_message_uuid", lastMessageUuid);
1349        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
1350        return PendingIntent.getService(
1351                mXmppConnectionService, id, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1352    }
1353
1354    private PendingIntent createReadPendingIntent(Conversation conversation) {
1355        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1356        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
1357        intent.putExtra("uuid", conversation.getUuid());
1358        intent.setPackage(mXmppConnectionService.getPackageName());
1359        return PendingIntent.getService(
1360                mXmppConnectionService,
1361                generateRequestCode(conversation, 16),
1362                intent,
1363                PendingIntent.FLAG_UPDATE_CURRENT);
1364    }
1365
1366    private PendingIntent createCallAction(String sessionId, final String action, int requestCode) {
1367        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1368        intent.setAction(action);
1369        intent.setPackage(mXmppConnectionService.getPackageName());
1370        intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, sessionId);
1371        return PendingIntent.getService(
1372                mXmppConnectionService, requestCode, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1373    }
1374
1375    private PendingIntent createSnoozeIntent(Conversation conversation) {
1376        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1377        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
1378        intent.putExtra("uuid", conversation.getUuid());
1379        intent.setPackage(mXmppConnectionService.getPackageName());
1380        return PendingIntent.getService(
1381                mXmppConnectionService,
1382                generateRequestCode(conversation, 22),
1383                intent,
1384                PendingIntent.FLAG_UPDATE_CURRENT);
1385    }
1386
1387    private PendingIntent createTryAgainIntent() {
1388        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1389        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
1390        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
1391    }
1392
1393    private PendingIntent createDismissErrorIntent() {
1394        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1395        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
1396        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
1397    }
1398
1399    private boolean wasHighlightedOrPrivate(final Message message) {
1400        if (message.getConversation() instanceof Conversation) {
1401            Conversation conversation = (Conversation) message.getConversation();
1402            final String nick = conversation.getMucOptions().getActualNick();
1403            final Pattern highlight = generateNickHighlightPattern(nick);
1404            if (message.getBody() == null || nick == null) {
1405                return false;
1406            }
1407            final Matcher m = highlight.matcher(message.getBody());
1408            return (m.find() || message.isPrivateMessage());
1409        } else {
1410            return false;
1411        }
1412    }
1413
1414    public void setOpenConversation(final Conversation conversation) {
1415        this.mOpenConversation = conversation;
1416    }
1417
1418    public void setIsInForeground(final boolean foreground) {
1419        this.mIsInForeground = foreground;
1420    }
1421
1422    private int getPixel(final int dp) {
1423        final DisplayMetrics metrics = mXmppConnectionService.getResources().getDisplayMetrics();
1424        return ((int) (dp * metrics.density));
1425    }
1426
1427    private void markLastNotification() {
1428        this.mLastNotification = SystemClock.elapsedRealtime();
1429    }
1430
1431    private boolean inMiniGracePeriod(final Account account) {
1432        final int miniGrace =
1433                account.getStatus() == Account.State.ONLINE
1434                        ? Config.MINI_GRACE_PERIOD
1435                        : Config.MINI_GRACE_PERIOD * 2;
1436        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
1437    }
1438
1439    Notification createForegroundNotification() {
1440        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1441        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.app_name));
1442        final List<Account> accounts = mXmppConnectionService.getAccounts();
1443        int enabled = 0;
1444        int connected = 0;
1445        if (accounts != null) {
1446            for (Account account : accounts) {
1447                if (account.isOnlineAndConnected()) {
1448                    connected++;
1449                    enabled++;
1450                } else if (account.isEnabled()) {
1451                    enabled++;
1452                }
1453            }
1454        }
1455        mBuilder.setContentText(
1456                mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
1457        final PendingIntent openIntent = createOpenConversationsIntent();
1458        if (openIntent != null) {
1459            mBuilder.setContentIntent(openIntent);
1460        }
1461        mBuilder.setWhen(0)
1462                .setPriority(Notification.PRIORITY_MIN)
1463                .setSmallIcon(
1464                        connected > 0
1465                                ? R.drawable.ic_link_white_24dp
1466                                : R.drawable.ic_link_off_white_24dp)
1467                .setLocalOnly(true);
1468
1469        if (Compatibility.runsTwentySix()) {
1470            mBuilder.setChannelId("foreground");
1471        }
1472
1473        return mBuilder.build();
1474    }
1475
1476    private PendingIntent createOpenConversationsIntent() {
1477        try {
1478            return PendingIntent.getActivity(
1479                    mXmppConnectionService,
1480                    0,
1481                    new Intent(mXmppConnectionService, ConversationsActivity.class),
1482                    0);
1483        } catch (RuntimeException e) {
1484            return null;
1485        }
1486    }
1487
1488    void updateErrorNotification() {
1489        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
1490            cancel(ERROR_NOTIFICATION_ID);
1491            return;
1492        }
1493        final boolean showAllErrors = QuickConversationsService.isConversations();
1494        final List<Account> errors = new ArrayList<>();
1495        boolean torNotAvailable = false;
1496        for (final Account account : mXmppConnectionService.getAccounts()) {
1497            if (account.hasErrorStatus()
1498                    && account.showErrorNotification()
1499                    && (showAllErrors
1500                            || account.getLastErrorStatus() == Account.State.UNAUTHORIZED)) {
1501                errors.add(account);
1502                torNotAvailable |= account.getStatus() == Account.State.TOR_NOT_AVAILABLE;
1503            }
1504        }
1505        if (mXmppConnectionService.foregroundNotificationNeedsUpdatingWhenErrorStateChanges()) {
1506            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
1507        }
1508        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1509        if (errors.size() == 0) {
1510            cancel(ERROR_NOTIFICATION_ID);
1511            return;
1512        } else if (errors.size() == 1) {
1513            mBuilder.setContentTitle(
1514                    mXmppConnectionService.getString(R.string.problem_connecting_to_account));
1515            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toEscapedString());
1516        } else {
1517            mBuilder.setContentTitle(
1518                    mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
1519            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
1520        }
1521        mBuilder.addAction(
1522                R.drawable.ic_autorenew_white_24dp,
1523                mXmppConnectionService.getString(R.string.try_again),
1524                createTryAgainIntent());
1525        if (torNotAvailable) {
1526            if (TorServiceUtils.isOrbotInstalled(mXmppConnectionService)) {
1527                mBuilder.addAction(
1528                        R.drawable.ic_play_circle_filled_white_48dp,
1529                        mXmppConnectionService.getString(R.string.start_orbot),
1530                        PendingIntent.getActivity(
1531                                mXmppConnectionService, 147, TorServiceUtils.LAUNCH_INTENT, 0));
1532            } else {
1533                mBuilder.addAction(
1534                        R.drawable.ic_file_download_white_24dp,
1535                        mXmppConnectionService.getString(R.string.install_orbot),
1536                        PendingIntent.getActivity(
1537                                mXmppConnectionService, 146, TorServiceUtils.INSTALL_INTENT, 0));
1538            }
1539        }
1540        mBuilder.setDeleteIntent(createDismissErrorIntent());
1541        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
1542            mBuilder.setVisibility(Notification.VISIBILITY_PRIVATE);
1543            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
1544        } else {
1545            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
1546        }
1547        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
1548            mBuilder.setLocalOnly(true);
1549        }
1550        mBuilder.setPriority(Notification.PRIORITY_LOW);
1551        final Intent intent;
1552        if (AccountUtils.MANAGE_ACCOUNT_ACTIVITY != null) {
1553            intent = new Intent(mXmppConnectionService, AccountUtils.MANAGE_ACCOUNT_ACTIVITY);
1554        } else {
1555            intent = new Intent(mXmppConnectionService, EditAccountActivity.class);
1556            intent.putExtra("jid", errors.get(0).getJid().asBareJid().toEscapedString());
1557            intent.putExtra(EditAccountActivity.EXTRA_OPENED_FROM_NOTIFICATION, true);
1558        }
1559        mBuilder.setContentIntent(
1560                PendingIntent.getActivity(
1561                        mXmppConnectionService, 145, intent, PendingIntent.FLAG_UPDATE_CURRENT));
1562        if (Compatibility.runsTwentySix()) {
1563            mBuilder.setChannelId("error");
1564        }
1565        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
1566    }
1567
1568    void updateFileAddingNotification(int current, Message message) {
1569        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1570        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
1571        mBuilder.setProgress(100, current, false);
1572        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
1573        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
1574        mBuilder.setOngoing(true);
1575        if (Compatibility.runsTwentySix()) {
1576            mBuilder.setChannelId("compression");
1577        }
1578        Notification notification = mBuilder.build();
1579        notify(FOREGROUND_NOTIFICATION_ID, notification);
1580    }
1581
1582    private void notify(String tag, int id, Notification notification) {
1583        final NotificationManagerCompat notificationManager =
1584                NotificationManagerCompat.from(mXmppConnectionService);
1585        try {
1586            notificationManager.notify(tag, id, notification);
1587        } catch (RuntimeException e) {
1588            Log.d(Config.LOGTAG, "unable to make notification", e);
1589        }
1590    }
1591
1592    public void notify(int id, Notification notification) {
1593        final NotificationManagerCompat notificationManager =
1594                NotificationManagerCompat.from(mXmppConnectionService);
1595        try {
1596            notificationManager.notify(id, notification);
1597        } catch (RuntimeException e) {
1598            Log.d(Config.LOGTAG, "unable to make notification", e);
1599        }
1600    }
1601
1602    public void cancel(int id) {
1603        final NotificationManagerCompat notificationManager =
1604                NotificationManagerCompat.from(mXmppConnectionService);
1605        try {
1606            notificationManager.cancel(id);
1607        } catch (RuntimeException e) {
1608            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1609        }
1610    }
1611
1612    private void cancel(String tag, int id) {
1613        final NotificationManagerCompat notificationManager =
1614                NotificationManagerCompat.from(mXmppConnectionService);
1615        try {
1616            notificationManager.cancel(tag, id);
1617        } catch (RuntimeException e) {
1618            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1619        }
1620    }
1621
1622    private class VibrationRunnable implements Runnable {
1623
1624        @Override
1625        public void run() {
1626            final Vibrator vibrator =
1627                    (Vibrator) mXmppConnectionService.getSystemService(Context.VIBRATOR_SERVICE);
1628            vibrator.vibrate(CALL_PATTERN, -1);
1629        }
1630    }
1631}