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 isScreenOn = mXmppConnectionService.isInteractive();
 372        if (this.mIsInForeground && isScreenOn && 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        this.vibrationFuture = SCHEDULED_EXECUTOR_SERVICE.scheduleAtFixedRate(
 403                new VibrationRunnable(),
 404                0,
 405                3,
 406                TimeUnit.SECONDS
 407        );
 408        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 409        final Resources resources = mXmppConnectionService.getResources();
 410        final String ringtonePreference = preferences.getString("call_ringtone", resources.getString(R.string.incoming_call_ringtone));
 411        if (Strings.isNullOrEmpty(ringtonePreference)) {
 412            Log.d(Config.LOGTAG,"ringtone has been set to none");
 413            return;
 414        }
 415        final Uri uri = Uri.parse(ringtonePreference);
 416        this.currentlyPlayingRingtone = RingtoneManager.getRingtone(mXmppConnectionService, uri);
 417        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 418            this.currentlyPlayingRingtone.setLooping(true);
 419        }
 420        this.currentlyPlayingRingtone.play();
 421    }
 422
 423    private void showIncomingCallNotification(final AbstractJingleConnection.Id id, final Set<Media> media) {
 424        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 425        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 426        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 427        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 428        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 429        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 430        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, INCOMING_CALLS_NOTIFICATION_CHANNEL);
 431        if (media.contains(Media.VIDEO)) {
 432            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 433            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_video_call));
 434        } else {
 435            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 436            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_call));
 437        }
 438        final Contact contact = id.getContact();
 439        builder.setLargeIcon(mXmppConnectionService.getAvatarService().get(
 440                contact,
 441                AvatarService.getSystemUiAvatarSize(mXmppConnectionService))
 442        );
 443        final Uri systemAccount = contact.getSystemAccount();
 444        if (systemAccount != null) {
 445            builder.addPerson(systemAccount.toString());
 446        }
 447        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 448        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 449        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 450        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 451        PendingIntent pendingIntent = createPendingRtpSession(id, Intent.ACTION_VIEW, 101);
 452        builder.setFullScreenIntent(pendingIntent, true);
 453        builder.setContentIntent(pendingIntent); //old androids need this?
 454        builder.setOngoing(true);
 455        builder.addAction(new NotificationCompat.Action.Builder(
 456                R.drawable.ic_call_end_white_48dp,
 457                mXmppConnectionService.getString(R.string.dismiss_call),
 458                createCallAction(id.sessionId, XmppConnectionService.ACTION_DISMISS_CALL, 102))
 459                .build());
 460        builder.addAction(new NotificationCompat.Action.Builder(
 461                R.drawable.ic_call_white_24dp,
 462                mXmppConnectionService.getString(R.string.answer_call),
 463                createPendingRtpSession(id, RtpSessionActivity.ACTION_ACCEPT_CALL, 103))
 464                .build());
 465        modifyIncomingCall(builder);
 466        final Notification notification = builder.build();
 467        notification.flags = notification.flags | Notification.FLAG_INSISTENT;
 468        notify(INCOMING_CALL_NOTIFICATION_ID, notification);
 469    }
 470
 471    public Notification getOngoingCallNotification(final AbstractJingleConnection.Id id, final Set<Media> media) {
 472        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "ongoing_calls");
 473        if (media.contains(Media.VIDEO)) {
 474            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 475            builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_video_call));
 476        } else {
 477            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 478            builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_call));
 479        }
 480        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 481        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 482        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 483        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 484        builder.setContentIntent(createPendingRtpSession(id, Intent.ACTION_VIEW, 101));
 485        builder.setOngoing(true);
 486        builder.addAction(new NotificationCompat.Action.Builder(
 487                R.drawable.ic_call_end_white_48dp,
 488                mXmppConnectionService.getString(R.string.hang_up),
 489                createCallAction(id.sessionId, XmppConnectionService.ACTION_END_CALL, 104))
 490                .build());
 491        return builder.build();
 492    }
 493
 494    private PendingIntent createPendingRtpSession(final AbstractJingleConnection.Id id, final String action, final int requestCode) {
 495        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 496        fullScreenIntent.setAction(action);
 497        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 498        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 499        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 500        return PendingIntent.getActivity(mXmppConnectionService, requestCode, fullScreenIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 501    }
 502
 503    public void cancelIncomingCallNotification() {
 504        stopSoundAndVibration();
 505        cancel(INCOMING_CALL_NOTIFICATION_ID);
 506    }
 507
 508    public boolean stopSoundAndVibration() {
 509        int stopped = 0;
 510        if (this.currentlyPlayingRingtone != null) {
 511            if (this.currentlyPlayingRingtone.isPlaying()) {
 512                Log.d(Config.LOGTAG, "stop playing ring tone");
 513                ++stopped;
 514            }
 515            this.currentlyPlayingRingtone.stop();
 516        }
 517        if (this.vibrationFuture != null && !this.vibrationFuture.isCancelled()) {
 518            Log.d(Config.LOGTAG, "stop vibration");
 519            this.vibrationFuture.cancel(true);
 520            ++stopped;
 521        }
 522        return stopped > 0;
 523    }
 524
 525    public static void cancelIncomingCallNotification(final Context context) {
 526        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
 527        try {
 528            notificationManager.cancel(INCOMING_CALL_NOTIFICATION_ID);
 529        } catch (RuntimeException e) {
 530            Log.d(Config.LOGTAG, "unable to cancel incoming call notification after crash", e);
 531        }
 532    }
 533
 534    private void pushNow(final Message message) {
 535        mXmppConnectionService.updateUnreadCountBadge();
 536        if (!notify(message)) {
 537            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
 538            return;
 539        }
 540        final boolean isScreenOn = mXmppConnectionService.isInteractive();
 541        if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) {
 542            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
 543            return;
 544        }
 545        synchronized (notifications) {
 546            pushToStack(message);
 547            final Conversational conversation = message.getConversation();
 548            final Account account = conversation.getAccount();
 549            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
 550                    && !account.inGracePeriod()
 551                    && !this.inMiniGracePeriod(account);
 552            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
 553        }
 554    }
 555
 556    public void clear() {
 557        synchronized (notifications) {
 558            for (ArrayList<Message> messages : notifications.values()) {
 559                markAsReadIfHasDirectReply(messages);
 560            }
 561            notifications.clear();
 562            updateNotification(false);
 563        }
 564    }
 565
 566    public void clear(final Conversation conversation) {
 567        synchronized (this.mBacklogMessageCounter) {
 568            this.mBacklogMessageCounter.remove(conversation);
 569        }
 570        synchronized (notifications) {
 571            markAsReadIfHasDirectReply(conversation);
 572            if (notifications.remove(conversation.getUuid()) != null) {
 573                cancel(conversation.getUuid(), NOTIFICATION_ID);
 574                updateNotification(false, null, true);
 575            }
 576        }
 577    }
 578
 579    private void markAsReadIfHasDirectReply(final Conversation conversation) {
 580        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
 581    }
 582
 583    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
 584        if (messages != null && messages.size() > 0) {
 585            Message last = messages.get(messages.size() - 1);
 586            if (last.getStatus() != Message.STATUS_RECEIVED) {
 587                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
 588                    mXmppConnectionService.updateConversationUi();
 589                }
 590            }
 591        }
 592    }
 593
 594    private void setNotificationColor(final Builder mBuilder) {
 595        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.green600));
 596    }
 597
 598    public void updateNotification() {
 599        synchronized (notifications) {
 600            updateNotification(false);
 601        }
 602    }
 603
 604    private void updateNotification(final boolean notify) {
 605        updateNotification(notify, null, false);
 606    }
 607
 608    private void updateNotification(final boolean notify, final List<String> conversations) {
 609        updateNotification(notify, conversations, false);
 610    }
 611
 612    private void updateNotification(final boolean notify, final List<String> conversations, final boolean summaryOnly) {
 613        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 614
 615        final boolean quiteHours = isQuietHours();
 616
 617        final boolean notifyOnlyOneChild = notify && conversations != null && conversations.size() == 1; //if this check is changed to > 0 catchup messages will create one notification per conversation
 618
 619
 620        if (notifications.size() == 0) {
 621            cancel(NOTIFICATION_ID);
 622        } else {
 623            if (notify) {
 624                this.markLastNotification();
 625            }
 626            final Builder mBuilder;
 627            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 628                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify, quiteHours);
 629                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 630                notify(NOTIFICATION_ID, mBuilder.build());
 631            } else {
 632                mBuilder = buildMultipleConversation(notify, quiteHours);
 633                if (notifyOnlyOneChild) {
 634                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 635                }
 636                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 637                if (!summaryOnly) {
 638                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
 639                        String uuid = entry.getKey();
 640                        final boolean notifyThis = notifyOnlyOneChild ? conversations.contains(uuid) : notify;
 641                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notifyThis, quiteHours);
 642                        if (!notifyOnlyOneChild) {
 643                            singleBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY);
 644                        }
 645                        modifyForSoundVibrationAndLight(singleBuilder, notifyThis, quiteHours, preferences);
 646                        singleBuilder.setGroup(CONVERSATIONS_GROUP);
 647                        setNotificationColor(singleBuilder);
 648                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
 649                    }
 650                }
 651                notify(NOTIFICATION_ID, mBuilder.build());
 652            }
 653        }
 654    }
 655
 656    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, boolean quietHours, SharedPreferences preferences) {
 657        final Resources resources = mXmppConnectionService.getResources();
 658        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
 659        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
 660        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 661        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
 662        if (notify && !quietHours) {
 663            if (vibrate) {
 664                final int dat = 70;
 665                final long[] pattern = {0, 3 * dat, dat, dat};
 666                mBuilder.setVibrate(pattern);
 667            } else {
 668                mBuilder.setVibrate(new long[]{0});
 669            }
 670            Uri uri = Uri.parse(ringtone);
 671            try {
 672                mBuilder.setSound(fixRingtoneUri(uri));
 673            } catch (SecurityException e) {
 674                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
 675            }
 676        } else {
 677            mBuilder.setLocalOnly(true);
 678        }
 679        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 680            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
 681        }
 682        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
 683        setNotificationColor(mBuilder);
 684        mBuilder.setDefaults(0);
 685        if (led) {
 686            mBuilder.setLights(LED_COLOR, 2000, 3000);
 687        }
 688    }
 689
 690    private void modifyIncomingCall(final Builder mBuilder) {
 691        mBuilder.setPriority(NotificationCompat.PRIORITY_HIGH);
 692        setNotificationColor(mBuilder);
 693        mBuilder.setLights(LED_COLOR, 2000, 3000);
 694    }
 695
 696    private Uri fixRingtoneUri(Uri uri) {
 697        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
 698            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
 699        } else {
 700            return uri;
 701        }
 702    }
 703
 704    private Builder buildMultipleConversation(final boolean notify, final boolean quietHours) {
 705        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 706        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 707        style.setBigContentTitle(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size()));
 708        final StringBuilder names = new StringBuilder();
 709        Conversation conversation = null;
 710        for (final ArrayList<Message> messages : notifications.values()) {
 711            if (messages.size() > 0) {
 712                conversation = (Conversation) messages.get(0).getConversation();
 713                final String name = conversation.getName().toString();
 714                SpannableString styledString;
 715                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 716                    int count = messages.size();
 717                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 718                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 719                    style.addLine(styledString);
 720                } else {
 721                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
 722                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 723                    style.addLine(styledString);
 724                }
 725                names.append(name);
 726                names.append(", ");
 727            }
 728        }
 729        if (names.length() >= 2) {
 730            names.delete(names.length() - 2, names.length());
 731        }
 732        final String contentTitle = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size());
 733        mBuilder.setContentTitle(contentTitle);
 734        mBuilder.setTicker(contentTitle);
 735        mBuilder.setContentText(names.toString());
 736        mBuilder.setStyle(style);
 737        if (conversation != null) {
 738            mBuilder.setContentIntent(createContentIntent(conversation));
 739        }
 740        mBuilder.setGroupSummary(true);
 741        mBuilder.setGroup(CONVERSATIONS_GROUP);
 742        mBuilder.setDeleteIntent(createDeleteIntent(null));
 743        mBuilder.setSmallIcon(R.drawable.ic_notification);
 744        return mBuilder;
 745    }
 746
 747    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify, final boolean quietHours) {
 748        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 749        if (messages.size() >= 1) {
 750            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 751            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
 752                    .get(conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 753            mBuilder.setContentTitle(conversation.getName());
 754            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 755                int count = messages.size();
 756                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 757            } else {
 758                Message message;
 759                //TODO starting with Android 9 we might want to put images in MessageStyle
 760                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P && (message = getImage(messages)) != null) {
 761                    modifyForImage(mBuilder, message, messages);
 762                } else {
 763                    modifyForTextOnly(mBuilder, messages);
 764                }
 765                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
 766                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
 767                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
 768                        R.drawable.ic_drafts_white_24dp,
 769                        mXmppConnectionService.getString(R.string.mark_as_read),
 770                        markAsReadPendingIntent)
 771                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_MARK_AS_READ)
 772                        .setShowsUserInterface(false)
 773                        .build();
 774                String replyLabel = mXmppConnectionService.getString(R.string.reply);
 775                NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
 776                        R.drawable.ic_send_text_offline,
 777                        replyLabel,
 778                        createReplyIntent(conversation, false))
 779                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
 780                        .setShowsUserInterface(false)
 781                        .addRemoteInput(remoteInput).build();
 782                NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
 783                        replyLabel,
 784                        createReplyIntent(conversation, true)).addRemoteInput(remoteInput).build();
 785                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
 786                int addedActionsCount = 1;
 787                mBuilder.addAction(markReadAction);
 788                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 789                    mBuilder.addAction(replyAction);
 790                    ++addedActionsCount;
 791                }
 792
 793                if (displaySnoozeAction(messages)) {
 794                    String label = mXmppConnectionService.getString(R.string.snooze);
 795                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
 796                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
 797                            R.drawable.ic_notifications_paused_white_24dp,
 798                            label,
 799                            pendingSnoozeIntent).build();
 800                    mBuilder.addAction(snoozeAction);
 801                    ++addedActionsCount;
 802                }
 803                if (addedActionsCount < 3) {
 804                    final Message firstLocationMessage = getFirstLocationMessage(messages);
 805                    if (firstLocationMessage != null) {
 806                        final PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
 807                        if (pendingShowLocationIntent != null) {
 808                            final String label = mXmppConnectionService.getResources().getString(R.string.show_location);
 809                            NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
 810                                    R.drawable.ic_room_white_24dp,
 811                                    label,
 812                                    pendingShowLocationIntent).build();
 813                            mBuilder.addAction(locationAction);
 814                            ++addedActionsCount;
 815                        }
 816                    }
 817                }
 818                if (addedActionsCount < 3) {
 819                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
 820                    if (firstDownloadableMessage != null) {
 821                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
 822                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
 823                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
 824                                R.drawable.ic_file_download_white_24dp,
 825                                label,
 826                                pendingDownloadIntent).build();
 827                        mBuilder.addAction(downloadAction);
 828                        ++addedActionsCount;
 829                    }
 830                }
 831            }
 832            if (conversation.getMode() == Conversation.MODE_SINGLE) {
 833                Contact contact = conversation.getContact();
 834                Uri systemAccount = contact.getSystemAccount();
 835                if (systemAccount != null) {
 836                    mBuilder.addPerson(systemAccount.toString());
 837                }
 838            }
 839            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
 840            mBuilder.setSmallIcon(R.drawable.ic_notification);
 841            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
 842            mBuilder.setContentIntent(createContentIntent(conversation));
 843        }
 844        return mBuilder;
 845    }
 846
 847    private void modifyForImage(final Builder builder, final Message message, final ArrayList<Message> messages) {
 848        try {
 849            final Bitmap bitmap = mXmppConnectionService.getFileBackend().getThumbnail(message, getPixel(288), false);
 850            final ArrayList<Message> tmp = new ArrayList<>();
 851            for (final Message msg : messages) {
 852                if (msg.getType() == Message.TYPE_TEXT
 853                        && msg.getTransferable() == null) {
 854                    tmp.add(msg);
 855                }
 856            }
 857            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
 858            bigPictureStyle.bigPicture(bitmap);
 859            if (tmp.size() > 0) {
 860                CharSequence text = getMergedBodies(tmp);
 861                bigPictureStyle.setSummaryText(text);
 862                builder.setContentText(text);
 863                builder.setTicker(text);
 864            } else {
 865                final String description = UIHelper.getFileDescriptionString(mXmppConnectionService, message);
 866                builder.setContentText(description);
 867                builder.setTicker(description);
 868            }
 869            builder.setStyle(bigPictureStyle);
 870        } catch (final IOException e) {
 871            modifyForTextOnly(builder, messages);
 872        }
 873    }
 874
 875    private Person getPerson(Message message) {
 876        final Contact contact = message.getContact();
 877        final Person.Builder builder = new Person.Builder();
 878        if (contact != null) {
 879            builder.setName(contact.getDisplayName());
 880            final Uri uri = contact.getSystemAccount();
 881            if (uri != null) {
 882                builder.setUri(uri.toString());
 883            }
 884        } else {
 885            builder.setName(UIHelper.getMessageDisplayName(message));
 886        }
 887        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 888            builder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(message, AvatarService.getSystemUiAvatarSize(mXmppConnectionService), false)));
 889        }
 890        return builder.build();
 891    }
 892
 893    private void modifyForTextOnly(final Builder builder, final ArrayList<Message> messages) {
 894        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 895            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 896            final Person.Builder meBuilder = new Person.Builder().setName(mXmppConnectionService.getString(R.string.me));
 897            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 898                meBuilder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(conversation.getAccount(), AvatarService.getSystemUiAvatarSize(mXmppConnectionService))));
 899            }
 900            final Person me = meBuilder.build();
 901            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(me);
 902            final boolean multiple = conversation.getMode() == Conversation.MODE_MULTI;
 903            if (multiple) {
 904                messagingStyle.setConversationTitle(conversation.getName());
 905            }
 906            for (Message message : messages) {
 907                final Person sender = message.getStatus() == Message.STATUS_RECEIVED ? getPerson(message) : null;
 908                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && isImageMessage(message)) {
 909                    final Uri dataUri = FileBackend.getMediaUri(mXmppConnectionService, mXmppConnectionService.getFileBackend().getFile(message));
 910                    NotificationCompat.MessagingStyle.Message imageMessage = new NotificationCompat.MessagingStyle.Message(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 911                    if (dataUri != null) {
 912                        imageMessage.setData(message.getMimeType(), dataUri);
 913                    }
 914                    messagingStyle.addMessage(imageMessage);
 915                } else {
 916                    messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 917                }
 918            }
 919            messagingStyle.setGroupConversation(multiple);
 920            builder.setStyle(messagingStyle);
 921        } else {
 922            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
 923                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
 924                final CharSequence preview = UIHelper.getMessagePreview(mXmppConnectionService, messages.get(messages.size() - 1)).first;
 925                builder.setContentText(preview);
 926                builder.setTicker(preview);
 927                builder.setNumber(messages.size());
 928            } else {
 929                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 930                SpannableString styledString;
 931                for (Message message : messages) {
 932                    final String name = UIHelper.getMessageDisplayName(message);
 933                    styledString = new SpannableString(name + ": " + message.getBody());
 934                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 935                    style.addLine(styledString);
 936                }
 937                builder.setStyle(style);
 938                int count = messages.size();
 939                if (count == 1) {
 940                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
 941                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
 942                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 943                    builder.setContentText(styledString);
 944                    builder.setTicker(styledString);
 945                } else {
 946                    final String text = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count);
 947                    builder.setContentText(text);
 948                    builder.setTicker(text);
 949                }
 950            }
 951        }
 952    }
 953
 954    private Message getImage(final Iterable<Message> messages) {
 955        Message image = null;
 956        for (final Message message : messages) {
 957            if (message.getStatus() != Message.STATUS_RECEIVED) {
 958                return null;
 959            }
 960            if (isImageMessage(message)) {
 961                image = message;
 962            }
 963        }
 964        return image;
 965    }
 966
 967    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
 968        for (final Message message : messages) {
 969            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
 970                return message;
 971            }
 972        }
 973        return null;
 974    }
 975
 976    private Message getFirstLocationMessage(final Iterable<Message> messages) {
 977        for (final Message message : messages) {
 978            if (message.isGeoUri()) {
 979                return message;
 980            }
 981        }
 982        return null;
 983    }
 984
 985    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
 986        final StringBuilder text = new StringBuilder();
 987        for (Message message : messages) {
 988            if (text.length() != 0) {
 989                text.append("\n");
 990            }
 991            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
 992        }
 993        return text.toString();
 994    }
 995
 996    private PendingIntent createShowLocationIntent(final Message message) {
 997        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
 998        for (Intent intent : intents) {
 999            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
1000                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1001            }
1002        }
1003        return null;
1004    }
1005
1006    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
1007        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
1008        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1009        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
1010        if (downloadMessageUuid != null) {
1011            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
1012            return PendingIntent.getActivity(mXmppConnectionService,
1013                    generateRequestCode(conversationUuid, 8),
1014                    viewConversationIntent,
1015                    PendingIntent.FLAG_UPDATE_CURRENT);
1016        } else {
1017            return PendingIntent.getActivity(mXmppConnectionService,
1018                    generateRequestCode(conversationUuid, 10),
1019                    viewConversationIntent,
1020                    PendingIntent.FLAG_UPDATE_CURRENT);
1021        }
1022    }
1023
1024    private int generateRequestCode(String uuid, int actionId) {
1025        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
1026    }
1027
1028    private int generateRequestCode(Conversational conversation, int actionId) {
1029        return generateRequestCode(conversation.getUuid(), actionId);
1030    }
1031
1032    private PendingIntent createDownloadIntent(final Message message) {
1033        return createContentIntent(message.getConversationUuid(), message.getUuid());
1034    }
1035
1036    private PendingIntent createContentIntent(final Conversational conversation) {
1037        return createContentIntent(conversation.getUuid(), null);
1038    }
1039
1040    private PendingIntent createDeleteIntent(Conversation conversation) {
1041        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1042        intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
1043        if (conversation != null) {
1044            intent.putExtra("uuid", conversation.getUuid());
1045            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
1046        }
1047        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
1048    }
1049
1050    private PendingIntent createReplyIntent(Conversation conversation, boolean dismissAfterReply) {
1051        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1052        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
1053        intent.putExtra("uuid", conversation.getUuid());
1054        intent.putExtra("dismiss_notification", dismissAfterReply);
1055        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
1056        return PendingIntent.getService(mXmppConnectionService, id, intent, 0);
1057    }
1058
1059    private PendingIntent createReadPendingIntent(Conversation conversation) {
1060        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1061        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
1062        intent.putExtra("uuid", conversation.getUuid());
1063        intent.setPackage(mXmppConnectionService.getPackageName());
1064        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1065    }
1066
1067    private PendingIntent createCallAction(String sessionId, final String action, int requestCode) {
1068        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1069        intent.setAction(action);
1070        intent.setPackage(mXmppConnectionService.getPackageName());
1071        intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, sessionId);
1072        return PendingIntent.getService(mXmppConnectionService, requestCode, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1073    }
1074
1075    private PendingIntent createSnoozeIntent(Conversation conversation) {
1076        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1077        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
1078        intent.putExtra("uuid", conversation.getUuid());
1079        intent.setPackage(mXmppConnectionService.getPackageName());
1080        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1081    }
1082
1083    private PendingIntent createTryAgainIntent() {
1084        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1085        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
1086        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
1087    }
1088
1089    private PendingIntent createDismissErrorIntent() {
1090        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1091        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
1092        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
1093    }
1094
1095    private boolean wasHighlightedOrPrivate(final Message message) {
1096        if (message.getConversation() instanceof Conversation) {
1097            Conversation conversation = (Conversation) message.getConversation();
1098            final String nick = conversation.getMucOptions().getActualNick();
1099            final Pattern highlight = generateNickHighlightPattern(nick);
1100            if (message.getBody() == null || nick == null) {
1101                return false;
1102            }
1103            final Matcher m = highlight.matcher(message.getBody());
1104            return (m.find() || message.isPrivateMessage());
1105        } else {
1106            return false;
1107        }
1108    }
1109
1110    public void setOpenConversation(final Conversation conversation) {
1111        this.mOpenConversation = conversation;
1112    }
1113
1114    public void setIsInForeground(final boolean foreground) {
1115        this.mIsInForeground = foreground;
1116    }
1117
1118    private int getPixel(final int dp) {
1119        final DisplayMetrics metrics = mXmppConnectionService.getResources()
1120                .getDisplayMetrics();
1121        return ((int) (dp * metrics.density));
1122    }
1123
1124    private void markLastNotification() {
1125        this.mLastNotification = SystemClock.elapsedRealtime();
1126    }
1127
1128    private boolean inMiniGracePeriod(final Account account) {
1129        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
1130                : Config.MINI_GRACE_PERIOD * 2;
1131        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
1132    }
1133
1134    Notification createForegroundNotification() {
1135        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1136        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.app_name));
1137        final List<Account> accounts = mXmppConnectionService.getAccounts();
1138        int enabled = 0;
1139        int connected = 0;
1140        if (accounts != null) {
1141            for (Account account : accounts) {
1142                if (account.isOnlineAndConnected()) {
1143                    connected++;
1144                    enabled++;
1145                } else if (account.isEnabled()) {
1146                    enabled++;
1147                }
1148            }
1149        }
1150        mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
1151        final PendingIntent openIntent = createOpenConversationsIntent();
1152        if (openIntent != null) {
1153            mBuilder.setContentIntent(openIntent);
1154        }
1155        mBuilder.setWhen(0);
1156        mBuilder.setPriority(Notification.PRIORITY_MIN);
1157        mBuilder.setSmallIcon(connected > 0 ? R.drawable.ic_link_white_24dp : R.drawable.ic_link_off_white_24dp);
1158
1159        if (Compatibility.runsTwentySix()) {
1160            mBuilder.setChannelId("foreground");
1161        }
1162
1163
1164        return mBuilder.build();
1165    }
1166
1167    private PendingIntent createOpenConversationsIntent() {
1168        try {
1169            return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
1170        } catch (RuntimeException e) {
1171            return null;
1172        }
1173    }
1174
1175    void updateErrorNotification() {
1176        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
1177            cancel(ERROR_NOTIFICATION_ID);
1178            return;
1179        }
1180        final boolean showAllErrors = QuickConversationsService.isConversations();
1181        final List<Account> errors = new ArrayList<>();
1182        boolean torNotAvailable = false;
1183        for (final Account account : mXmppConnectionService.getAccounts()) {
1184            if (account.hasErrorStatus() && account.showErrorNotification() && (showAllErrors || account.getLastErrorStatus() == Account.State.UNAUTHORIZED)) {
1185                errors.add(account);
1186                torNotAvailable |= account.getStatus() == Account.State.TOR_NOT_AVAILABLE;
1187            }
1188        }
1189        if (mXmppConnectionService.foregroundNotificationNeedsUpdatingWhenErrorStateChanges()) {
1190            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
1191        }
1192        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1193        if (errors.size() == 0) {
1194            cancel(ERROR_NOTIFICATION_ID);
1195            return;
1196        } else if (errors.size() == 1) {
1197            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
1198            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toEscapedString());
1199        } else {
1200            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
1201            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
1202        }
1203        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
1204                mXmppConnectionService.getString(R.string.try_again),
1205                createTryAgainIntent()
1206        );
1207        if (torNotAvailable) {
1208            if (TorServiceUtils.isOrbotInstalled(mXmppConnectionService)) {
1209                mBuilder.addAction(
1210                        R.drawable.ic_play_circle_filled_white_48dp,
1211                        mXmppConnectionService.getString(R.string.start_orbot),
1212                        PendingIntent.getActivity(mXmppConnectionService, 147, TorServiceUtils.LAUNCH_INTENT, 0)
1213                );
1214            } else {
1215                mBuilder.addAction(
1216                        R.drawable.ic_file_download_white_24dp,
1217                        mXmppConnectionService.getString(R.string.install_orbot),
1218                        PendingIntent.getActivity(mXmppConnectionService, 146, TorServiceUtils.INSTALL_INTENT, 0)
1219                );
1220            }
1221        }
1222        mBuilder.setDeleteIntent(createDismissErrorIntent());
1223        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
1224            mBuilder.setVisibility(Notification.VISIBILITY_PRIVATE);
1225            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
1226        } else {
1227            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
1228        }
1229        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
1230            mBuilder.setLocalOnly(true);
1231        }
1232        mBuilder.setPriority(Notification.PRIORITY_LOW);
1233        final Intent intent;
1234        if (AccountUtils.MANAGE_ACCOUNT_ACTIVITY != null) {
1235            intent = new Intent(mXmppConnectionService, AccountUtils.MANAGE_ACCOUNT_ACTIVITY);
1236        } else {
1237            intent = new Intent(mXmppConnectionService, EditAccountActivity.class);
1238            intent.putExtra("jid", errors.get(0).getJid().asBareJid().toEscapedString());
1239            intent.putExtra(EditAccountActivity.EXTRA_OPENED_FROM_NOTIFICATION, true);
1240        }
1241        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService, 145, intent, PendingIntent.FLAG_UPDATE_CURRENT));
1242        if (Compatibility.runsTwentySix()) {
1243            mBuilder.setChannelId("error");
1244        }
1245        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
1246    }
1247
1248    void updateFileAddingNotification(int current, Message message) {
1249        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1250        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
1251        mBuilder.setProgress(100, current, false);
1252        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
1253        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
1254        mBuilder.setOngoing(true);
1255        if (Compatibility.runsTwentySix()) {
1256            mBuilder.setChannelId("compression");
1257        }
1258        Notification notification = mBuilder.build();
1259        notify(FOREGROUND_NOTIFICATION_ID, notification);
1260    }
1261
1262    private void notify(String tag, int id, Notification notification) {
1263        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1264        try {
1265            notificationManager.notify(tag, id, notification);
1266        } catch (RuntimeException e) {
1267            Log.d(Config.LOGTAG, "unable to make notification", e);
1268        }
1269    }
1270
1271    public void notify(int id, Notification notification) {
1272        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1273        try {
1274            notificationManager.notify(id, notification);
1275        } catch (RuntimeException e) {
1276            Log.d(Config.LOGTAG, "unable to make notification", e);
1277        }
1278    }
1279
1280    public void cancel(int id) {
1281        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1282        try {
1283            notificationManager.cancel(id);
1284        } catch (RuntimeException e) {
1285            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1286        }
1287    }
1288
1289    private void cancel(String tag, int id) {
1290        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1291        try {
1292            notificationManager.cancel(tag, id);
1293        } catch (RuntimeException e) {
1294            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1295        }
1296    }
1297
1298    private class VibrationRunnable implements Runnable {
1299
1300        @Override
1301        public void run() {
1302            final Vibrator vibrator = (Vibrator) mXmppConnectionService.getSystemService(Context.VIBRATOR_SERVICE);
1303            vibrator.vibrate(CALL_PATTERN, -1);
1304        }
1305    }
1306}