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.RingtoneManager;
  16import android.net.Uri;
  17import android.os.Build;
  18import android.os.SystemClock;
  19import android.preference.PreferenceManager;
  20import android.support.annotation.RequiresApi;
  21import android.support.v4.app.NotificationCompat;
  22import android.support.v4.app.NotificationCompat.BigPictureStyle;
  23import android.support.v4.app.NotificationCompat.Builder;
  24import android.support.v4.app.NotificationManagerCompat;
  25import android.support.v4.app.Person;
  26import android.support.v4.app.RemoteInput;
  27import android.support.v4.content.ContextCompat;
  28import android.support.v4.graphics.drawable.IconCompat;
  29import android.text.SpannableString;
  30import android.text.style.StyleSpan;
  31import android.util.DisplayMetrics;
  32import android.util.Log;
  33
  34import java.io.File;
  35import java.io.IOException;
  36import java.util.ArrayList;
  37import java.util.Calendar;
  38import java.util.Collections;
  39import java.util.HashMap;
  40import java.util.Iterator;
  41import java.util.LinkedHashMap;
  42import java.util.List;
  43import java.util.Map;
  44import java.util.concurrent.atomic.AtomicInteger;
  45import java.util.regex.Matcher;
  46import java.util.regex.Pattern;
  47
  48import eu.siacs.conversations.Config;
  49import eu.siacs.conversations.R;
  50import eu.siacs.conversations.entities.Account;
  51import eu.siacs.conversations.entities.Contact;
  52import eu.siacs.conversations.entities.Conversation;
  53import eu.siacs.conversations.entities.Conversational;
  54import eu.siacs.conversations.entities.Message;
  55import eu.siacs.conversations.persistance.FileBackend;
  56import eu.siacs.conversations.ui.ConversationsActivity;
  57import eu.siacs.conversations.ui.EditAccountActivity;
  58import eu.siacs.conversations.ui.RtpSessionActivity;
  59import eu.siacs.conversations.ui.TimePreference;
  60import eu.siacs.conversations.utils.AccountUtils;
  61import eu.siacs.conversations.utils.Compatibility;
  62import eu.siacs.conversations.utils.GeoHelper;
  63import eu.siacs.conversations.utils.UIHelper;
  64import eu.siacs.conversations.xmpp.XmppConnection;
  65import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  66
  67public class NotificationService {
  68
  69    public static final Object CATCHUP_LOCK = new Object();
  70
  71    private static final int LED_COLOR = 0xff00ff00;
  72
  73    private static final String CONVERSATIONS_GROUP = "eu.siacs.conversations";
  74    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
  75    static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
  76    private static final int NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 2;
  77    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
  78    private static final int INCOMING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 8;
  79    private static final int ONGOING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 10;
  80    private final XmppConnectionService mXmppConnectionService;
  81    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
  82    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
  83    private Conversation mOpenConversation;
  84    private boolean mIsInForeground;
  85    private long mLastNotification;
  86
  87    NotificationService(final XmppConnectionService service) {
  88        this.mXmppConnectionService = service;
  89    }
  90
  91    private static boolean displaySnoozeAction(List<Message> messages) {
  92        int numberOfMessagesWithoutReply = 0;
  93        for (Message message : messages) {
  94            if (message.getStatus() == Message.STATUS_RECEIVED) {
  95                ++numberOfMessagesWithoutReply;
  96            } else {
  97                return false;
  98            }
  99        }
 100        return numberOfMessagesWithoutReply >= 3;
 101    }
 102
 103    public static Pattern generateNickHighlightPattern(final String nick) {
 104        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "(?=\\s|$|\\p{Punct})");
 105    }
 106
 107    private static boolean isImageMessage(Message message) {
 108        return message.getType() != Message.TYPE_TEXT
 109                && message.getTransferable() == null
 110                && !message.isDeleted()
 111                && message.getEncryption() != Message.ENCRYPTION_PGP
 112                && message.getFileParams().height > 0;
 113    }
 114
 115    @RequiresApi(api = Build.VERSION_CODES.O)
 116    void initializeChannels() {
 117        final Context c = mXmppConnectionService;
 118        final NotificationManager notificationManager = c.getSystemService(NotificationManager.class);
 119        if (notificationManager == null) {
 120            return;
 121        }
 122
 123        notificationManager.deleteNotificationChannel("export");
 124
 125        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("status", c.getString(R.string.notification_group_status_information)));
 126        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("chats", c.getString(R.string.notification_group_messages)));
 127        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("calls", c.getString(R.string.notification_group_calls)));
 128        final NotificationChannel foregroundServiceChannel = new NotificationChannel("foreground",
 129                c.getString(R.string.foreground_service_channel_name),
 130                NotificationManager.IMPORTANCE_MIN);
 131        foregroundServiceChannel.setDescription(c.getString(R.string.foreground_service_channel_description));
 132        foregroundServiceChannel.setShowBadge(false);
 133        foregroundServiceChannel.setGroup("status");
 134        notificationManager.createNotificationChannel(foregroundServiceChannel);
 135        final NotificationChannel errorChannel = new NotificationChannel("error",
 136                c.getString(R.string.error_channel_name),
 137                NotificationManager.IMPORTANCE_LOW);
 138        errorChannel.setDescription(c.getString(R.string.error_channel_description));
 139        errorChannel.setShowBadge(false);
 140        errorChannel.setGroup("status");
 141        notificationManager.createNotificationChannel(errorChannel);
 142
 143        final NotificationChannel videoCompressionChannel = new NotificationChannel("compression",
 144                c.getString(R.string.video_compression_channel_name),
 145                NotificationManager.IMPORTANCE_LOW);
 146        videoCompressionChannel.setShowBadge(false);
 147        videoCompressionChannel.setGroup("status");
 148        notificationManager.createNotificationChannel(videoCompressionChannel);
 149
 150        final NotificationChannel exportChannel = new NotificationChannel("backup",
 151                c.getString(R.string.backup_channel_name),
 152                NotificationManager.IMPORTANCE_LOW);
 153        exportChannel.setShowBadge(false);
 154        exportChannel.setGroup("status");
 155        notificationManager.createNotificationChannel(exportChannel);
 156
 157        final NotificationChannel incomingCallsChannel = new NotificationChannel("incoming_calls",
 158                c.getString(R.string.incoming_calls_channel_name),
 159                NotificationManager.IMPORTANCE_HIGH);
 160        incomingCallsChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE), new AudioAttributes.Builder()
 161                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 162                .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
 163                .build());
 164        incomingCallsChannel.setShowBadge(false);
 165        incomingCallsChannel.setLightColor(LED_COLOR);
 166        incomingCallsChannel.enableLights(true);
 167        incomingCallsChannel.setGroup("calls");
 168        notificationManager.createNotificationChannel(incomingCallsChannel);
 169
 170        final NotificationChannel ongoingCallsChannel = new NotificationChannel("ongoing_calls",
 171                c.getString(R.string.ongoing_calls_channel_name),
 172                NotificationManager.IMPORTANCE_LOW);
 173        ongoingCallsChannel.setShowBadge(false);
 174        ongoingCallsChannel.setGroup("calls");
 175        notificationManager.createNotificationChannel(ongoingCallsChannel);
 176
 177
 178        final NotificationChannel messagesChannel = new NotificationChannel("messages",
 179                c.getString(R.string.messages_channel_name),
 180                NotificationManager.IMPORTANCE_HIGH);
 181        messagesChannel.setShowBadge(true);
 182        messagesChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 183                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 184                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 185                .build());
 186        messagesChannel.setLightColor(LED_COLOR);
 187        final int dat = 70;
 188        final long[] pattern = {0, 3 * dat, dat, dat};
 189        messagesChannel.setVibrationPattern(pattern);
 190        messagesChannel.enableVibration(true);
 191        messagesChannel.enableLights(true);
 192        messagesChannel.setGroup("chats");
 193        notificationManager.createNotificationChannel(messagesChannel);
 194        final NotificationChannel silentMessagesChannel = new NotificationChannel("silent_messages",
 195                c.getString(R.string.silent_messages_channel_name),
 196                NotificationManager.IMPORTANCE_LOW);
 197        silentMessagesChannel.setDescription(c.getString(R.string.silent_messages_channel_description));
 198        silentMessagesChannel.setShowBadge(true);
 199        silentMessagesChannel.setLightColor(LED_COLOR);
 200        silentMessagesChannel.enableLights(true);
 201        silentMessagesChannel.setGroup("chats");
 202        notificationManager.createNotificationChannel(silentMessagesChannel);
 203
 204        final NotificationChannel quietHoursChannel = new NotificationChannel("quiet_hours",
 205                c.getString(R.string.title_pref_quiet_hours),
 206                NotificationManager.IMPORTANCE_LOW);
 207        quietHoursChannel.setShowBadge(true);
 208        quietHoursChannel.setLightColor(LED_COLOR);
 209        quietHoursChannel.enableLights(true);
 210        quietHoursChannel.setGroup("chats");
 211        quietHoursChannel.enableVibration(false);
 212        quietHoursChannel.setSound(null, null);
 213
 214        notificationManager.createNotificationChannel(quietHoursChannel);
 215    }
 216
 217    public boolean notify(final Message message) {
 218        final Conversation conversation = (Conversation) message.getConversation();
 219        return message.getStatus() == Message.STATUS_RECEIVED
 220                && !conversation.isMuted()
 221                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
 222                && (!conversation.isWithStranger() || notificationsFromStrangers());
 223    }
 224
 225    private boolean notificationsFromStrangers() {
 226        return mXmppConnectionService.getBooleanPreference("notifications_from_strangers", R.bool.notifications_from_strangers);
 227    }
 228
 229    private boolean isQuietHours() {
 230        if (!mXmppConnectionService.getBooleanPreference("enable_quiet_hours", R.bool.enable_quiet_hours)) {
 231            return false;
 232        }
 233        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 234        final long startTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE));
 235        final long endTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE));
 236        final long nowTime = Calendar.getInstance().getTimeInMillis();
 237
 238        if (endTime < startTime) {
 239            return nowTime > startTime || nowTime < endTime;
 240        } else {
 241            return nowTime > startTime && nowTime < endTime;
 242        }
 243    }
 244
 245    public void pushFromBacklog(final Message message) {
 246        if (notify(message)) {
 247            synchronized (notifications) {
 248                getBacklogMessageCounter((Conversation) message.getConversation()).incrementAndGet();
 249                pushToStack(message);
 250            }
 251        }
 252    }
 253
 254    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
 255        synchronized (mBacklogMessageCounter) {
 256            if (!mBacklogMessageCounter.containsKey(conversation)) {
 257                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
 258            }
 259            return mBacklogMessageCounter.get(conversation);
 260        }
 261    }
 262
 263    void pushFromDirectReply(final Message message) {
 264        synchronized (notifications) {
 265            pushToStack(message);
 266            updateNotification(false);
 267        }
 268    }
 269
 270    public void finishBacklog(boolean notify, Account account) {
 271        synchronized (notifications) {
 272            mXmppConnectionService.updateUnreadCountBadge();
 273            if (account == null || !notify) {
 274                updateNotification(notify);
 275            } else {
 276                final int count;
 277                final List<String> conversations;
 278                synchronized (this.mBacklogMessageCounter) {
 279                    conversations = getBacklogConversations(account);
 280                    count = getBacklogMessageCount(account);
 281                }
 282                updateNotification(count > 0, conversations);
 283            }
 284        }
 285    }
 286
 287    private List<String> getBacklogConversations(Account account) {
 288        final List<String> conversations = new ArrayList<>();
 289        for (Map.Entry<Conversation, AtomicInteger> entry : mBacklogMessageCounter.entrySet()) {
 290            if (entry.getKey().getAccount() == account) {
 291                conversations.add(entry.getKey().getUuid());
 292            }
 293        }
 294        return conversations;
 295    }
 296
 297    private int getBacklogMessageCount(Account account) {
 298        int count = 0;
 299        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
 300            Map.Entry<Conversation, AtomicInteger> entry = it.next();
 301            if (entry.getKey().getAccount() == account) {
 302                count += entry.getValue().get();
 303                it.remove();
 304            }
 305        }
 306        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
 307        return count;
 308    }
 309
 310    void finishBacklog(boolean notify) {
 311        finishBacklog(notify, null);
 312    }
 313
 314    private void pushToStack(final Message message) {
 315        final String conversationUuid = message.getConversationUuid();
 316        if (notifications.containsKey(conversationUuid)) {
 317            notifications.get(conversationUuid).add(message);
 318        } else {
 319            final ArrayList<Message> mList = new ArrayList<>();
 320            mList.add(message);
 321            notifications.put(conversationUuid, mList);
 322        }
 323    }
 324
 325    public void push(final Message message) {
 326        synchronized (CATCHUP_LOCK) {
 327            final XmppConnection connection = message.getConversation().getAccount().getXmppConnection();
 328            if (connection != null && connection.isWaitingForSmCatchup()) {
 329                connection.incrementSmCatchupMessageCounter();
 330                pushFromBacklog(message);
 331            } else {
 332                pushNow(message);
 333            }
 334        }
 335    }
 336
 337    public void showIncomingCallNotification(AbstractJingleConnection.Id id) {
 338        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 339        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 340        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 341        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 342        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 343        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 344        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "incoming_calls");
 345        builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 346        builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_call));
 347        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 348        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 349        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 350        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 351        builder.setFullScreenIntent(createPendingRtpSession(id, Intent.ACTION_VIEW, 101), true);
 352        builder.setOngoing(true);
 353        builder.addAction(new NotificationCompat.Action.Builder(
 354                R.drawable.ic_call_end_white_48dp,
 355                mXmppConnectionService.getString(R.string.dismiss_call),
 356                createCallAction(id.sessionId, XmppConnectionService.ACTION_DISMISS_CALL, 102))
 357                .build());
 358        builder.addAction(new NotificationCompat.Action.Builder(
 359                R.drawable.ic_call_white_24dp,
 360                mXmppConnectionService.getString(R.string.answer_call),
 361                createPendingRtpSession(id, RtpSessionActivity.ACTION_ACCEPT_CALL, 103))
 362                .build());
 363        final Notification notification = builder.build();
 364        notification.flags = notification.flags | Notification.FLAG_INSISTENT;
 365        notify(INCOMING_CALL_NOTIFICATION_ID, builder.build());
 366    }
 367
 368    public void showOngoingCallNotification(final AbstractJingleConnection.Id id) {
 369        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "ongoing_calls");
 370        builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 371        builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_call));
 372        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 373        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 374        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 375        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 376        builder.setContentIntent(createPendingRtpSession(id, Intent.ACTION_VIEW, 101));
 377        builder.setOngoing(true);
 378        builder.addAction(new NotificationCompat.Action.Builder(
 379                R.drawable.ic_call_end_white_48dp,
 380                mXmppConnectionService.getString(R.string.hang_up),
 381                createCallAction(id.sessionId, XmppConnectionService.ACTION_END_CALL, 104))
 382                .build());
 383        final Notification notification = builder.build();
 384        notification.flags = notification.flags | Notification.FLAG_INSISTENT;
 385        notify(ONGOING_CALL_NOTIFICATION_ID, builder.build());
 386    }
 387
 388    private PendingIntent createPendingRtpSession(final AbstractJingleConnection.Id id, final String action, final int requestCode) {
 389        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 390        fullScreenIntent.setAction(action);
 391        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 392        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 393        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 394        //fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 395        //fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 396        return PendingIntent.getActivity(mXmppConnectionService, requestCode, fullScreenIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 397    }
 398
 399    public void cancelIncomingCallNotification() {
 400        cancel(INCOMING_CALL_NOTIFICATION_ID);
 401    }
 402
 403    public void cancelOngoingCallNotification() {
 404        cancel(ONGOING_CALL_NOTIFICATION_ID);
 405    }
 406
 407    private void pushNow(final Message message) {
 408        mXmppConnectionService.updateUnreadCountBadge();
 409        if (!notify(message)) {
 410            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
 411            return;
 412        }
 413        final boolean isScreenOn = mXmppConnectionService.isInteractive();
 414        if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) {
 415            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
 416            return;
 417        }
 418        synchronized (notifications) {
 419            pushToStack(message);
 420            final Conversational conversation = message.getConversation();
 421            final Account account = conversation.getAccount();
 422            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
 423                    && !account.inGracePeriod()
 424                    && !this.inMiniGracePeriod(account);
 425            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
 426        }
 427    }
 428
 429    public void clear() {
 430        synchronized (notifications) {
 431            for (ArrayList<Message> messages : notifications.values()) {
 432                markAsReadIfHasDirectReply(messages);
 433            }
 434            notifications.clear();
 435            updateNotification(false);
 436        }
 437    }
 438
 439    public void clear(final Conversation conversation) {
 440        synchronized (this.mBacklogMessageCounter) {
 441            this.mBacklogMessageCounter.remove(conversation);
 442        }
 443        synchronized (notifications) {
 444            markAsReadIfHasDirectReply(conversation);
 445            if (notifications.remove(conversation.getUuid()) != null) {
 446                cancel(conversation.getUuid(), NOTIFICATION_ID);
 447                updateNotification(false, null, true);
 448            }
 449        }
 450    }
 451
 452    private void markAsReadIfHasDirectReply(final Conversation conversation) {
 453        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
 454    }
 455
 456    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
 457        if (messages != null && messages.size() > 0) {
 458            Message last = messages.get(messages.size() - 1);
 459            if (last.getStatus() != Message.STATUS_RECEIVED) {
 460                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
 461                    mXmppConnectionService.updateConversationUi();
 462                }
 463            }
 464        }
 465    }
 466
 467    private void setNotificationColor(final Builder mBuilder) {
 468        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.green600));
 469    }
 470
 471    public void updateNotification() {
 472        synchronized (notifications) {
 473            updateNotification(false);
 474        }
 475    }
 476
 477    private void updateNotification(final boolean notify) {
 478        updateNotification(notify, null, false);
 479    }
 480
 481    private void updateNotification(final boolean notify, final List<String> conversations) {
 482        updateNotification(notify, conversations, false);
 483    }
 484
 485    private void updateNotification(final boolean notify, final List<String> conversations, final boolean summaryOnly) {
 486        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 487
 488        final boolean quiteHours = isQuietHours();
 489
 490        final boolean notifyOnlyOneChild = notify && conversations != null && conversations.size() == 1; //if this check is changed to > 0 catchup messages will create one notification per conversation
 491
 492
 493        if (notifications.size() == 0) {
 494            cancel(NOTIFICATION_ID);
 495        } else {
 496            if (notify) {
 497                this.markLastNotification();
 498            }
 499            final Builder mBuilder;
 500            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 501                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify, quiteHours);
 502                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 503                notify(NOTIFICATION_ID, mBuilder.build());
 504            } else {
 505                mBuilder = buildMultipleConversation(notify, quiteHours);
 506                if (notifyOnlyOneChild) {
 507                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 508                }
 509                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 510                if (!summaryOnly) {
 511                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
 512                        String uuid = entry.getKey();
 513                        final boolean notifyThis = notifyOnlyOneChild ? conversations.contains(uuid) : notify;
 514                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notifyThis, quiteHours);
 515                        if (!notifyOnlyOneChild) {
 516                            singleBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY);
 517                        }
 518                        modifyForSoundVibrationAndLight(singleBuilder, notifyThis, quiteHours, preferences);
 519                        singleBuilder.setGroup(CONVERSATIONS_GROUP);
 520                        setNotificationColor(singleBuilder);
 521                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
 522                    }
 523                }
 524                notify(NOTIFICATION_ID, mBuilder.build());
 525            }
 526        }
 527    }
 528
 529    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, boolean quietHours, SharedPreferences preferences) {
 530        final Resources resources = mXmppConnectionService.getResources();
 531        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
 532        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
 533        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 534        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
 535        if (notify && !quietHours) {
 536            if (vibrate) {
 537                final int dat = 70;
 538                final long[] pattern = {0, 3 * dat, dat, dat};
 539                mBuilder.setVibrate(pattern);
 540            } else {
 541                mBuilder.setVibrate(new long[]{0});
 542            }
 543            Uri uri = Uri.parse(ringtone);
 544            try {
 545                mBuilder.setSound(fixRingtoneUri(uri));
 546            } catch (SecurityException e) {
 547                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
 548            }
 549        } else {
 550            mBuilder.setLocalOnly(true);
 551        }
 552        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 553            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
 554        }
 555        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
 556        setNotificationColor(mBuilder);
 557        mBuilder.setDefaults(0);
 558        if (led) {
 559            mBuilder.setLights(LED_COLOR, 2000, 3000);
 560        }
 561    }
 562
 563    private Uri fixRingtoneUri(Uri uri) {
 564        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
 565            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
 566        } else {
 567            return uri;
 568        }
 569    }
 570
 571    private Builder buildMultipleConversation(final boolean notify, final boolean quietHours) {
 572        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 573        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 574        style.setBigContentTitle(mXmppConnectionService.getString(R.string.x_unread_conversations, notifications.size()));
 575        final StringBuilder names = new StringBuilder();
 576        Conversation conversation = null;
 577        for (final ArrayList<Message> messages : notifications.values()) {
 578            if (messages.size() > 0) {
 579                conversation = (Conversation) messages.get(0).getConversation();
 580                final String name = conversation.getName().toString();
 581                SpannableString styledString;
 582                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 583                    int count = messages.size();
 584                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 585                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 586                    style.addLine(styledString);
 587                } else {
 588                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
 589                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 590                    style.addLine(styledString);
 591                }
 592                names.append(name);
 593                names.append(", ");
 594            }
 595        }
 596        if (names.length() >= 2) {
 597            names.delete(names.length() - 2, names.length());
 598        }
 599        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.x_unread_conversations, notifications.size()));
 600        mBuilder.setTicker(mXmppConnectionService.getString(R.string.x_unread_conversations, notifications.size()));
 601        mBuilder.setContentText(names.toString());
 602        mBuilder.setStyle(style);
 603        if (conversation != null) {
 604            mBuilder.setContentIntent(createContentIntent(conversation));
 605        }
 606        mBuilder.setGroupSummary(true);
 607        mBuilder.setGroup(CONVERSATIONS_GROUP);
 608        mBuilder.setDeleteIntent(createDeleteIntent(null));
 609        mBuilder.setSmallIcon(R.drawable.ic_notification);
 610        return mBuilder;
 611    }
 612
 613    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify, final boolean quietHours) {
 614        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 615        if (messages.size() >= 1) {
 616            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 617            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
 618                    .get(conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 619            mBuilder.setContentTitle(conversation.getName());
 620            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 621                int count = messages.size();
 622                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 623            } else {
 624                Message message;
 625                //TODO starting with Android 9 we might want to put images in MessageStyle
 626                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P && (message = getImage(messages)) != null) {
 627                    modifyForImage(mBuilder, message, messages);
 628                } else {
 629                    modifyForTextOnly(mBuilder, messages);
 630                }
 631                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
 632                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
 633                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
 634                        R.drawable.ic_drafts_white_24dp,
 635                        mXmppConnectionService.getString(R.string.mark_as_read),
 636                        markAsReadPendingIntent)
 637                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_MARK_AS_READ)
 638                        .setShowsUserInterface(false)
 639                        .build();
 640                String replyLabel = mXmppConnectionService.getString(R.string.reply);
 641                NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
 642                        R.drawable.ic_send_text_offline,
 643                        replyLabel,
 644                        createReplyIntent(conversation, false))
 645                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
 646                        .setShowsUserInterface(false)
 647                        .addRemoteInput(remoteInput).build();
 648                NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
 649                        replyLabel,
 650                        createReplyIntent(conversation, true)).addRemoteInput(remoteInput).build();
 651                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
 652                int addedActionsCount = 1;
 653                mBuilder.addAction(markReadAction);
 654                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 655                    mBuilder.addAction(replyAction);
 656                    ++addedActionsCount;
 657                }
 658
 659                if (displaySnoozeAction(messages)) {
 660                    String label = mXmppConnectionService.getString(R.string.snooze);
 661                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
 662                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
 663                            R.drawable.ic_notifications_paused_white_24dp,
 664                            label,
 665                            pendingSnoozeIntent).build();
 666                    mBuilder.addAction(snoozeAction);
 667                    ++addedActionsCount;
 668                }
 669                if (addedActionsCount < 3) {
 670                    final Message firstLocationMessage = getFirstLocationMessage(messages);
 671                    if (firstLocationMessage != null) {
 672                        final PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
 673                        if (pendingShowLocationIntent != null) {
 674                            final String label = mXmppConnectionService.getResources().getString(R.string.show_location);
 675                            NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
 676                                    R.drawable.ic_room_white_24dp,
 677                                    label,
 678                                    pendingShowLocationIntent).build();
 679                            mBuilder.addAction(locationAction);
 680                            ++addedActionsCount;
 681                        }
 682                    }
 683                }
 684                if (addedActionsCount < 3) {
 685                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
 686                    if (firstDownloadableMessage != null) {
 687                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
 688                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
 689                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
 690                                R.drawable.ic_file_download_white_24dp,
 691                                label,
 692                                pendingDownloadIntent).build();
 693                        mBuilder.addAction(downloadAction);
 694                        ++addedActionsCount;
 695                    }
 696                }
 697            }
 698            if (conversation.getMode() == Conversation.MODE_SINGLE) {
 699                Contact contact = conversation.getContact();
 700                Uri systemAccount = contact.getSystemAccount();
 701                if (systemAccount != null) {
 702                    mBuilder.addPerson(systemAccount.toString());
 703                }
 704            }
 705            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
 706            mBuilder.setSmallIcon(R.drawable.ic_notification);
 707            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
 708            mBuilder.setContentIntent(createContentIntent(conversation));
 709        }
 710        return mBuilder;
 711    }
 712
 713    private void modifyForImage(final Builder builder, final Message message, final ArrayList<Message> messages) {
 714        try {
 715            final Bitmap bitmap = mXmppConnectionService.getFileBackend().getThumbnail(message, getPixel(288), false);
 716            final ArrayList<Message> tmp = new ArrayList<>();
 717            for (final Message msg : messages) {
 718                if (msg.getType() == Message.TYPE_TEXT
 719                        && msg.getTransferable() == null) {
 720                    tmp.add(msg);
 721                }
 722            }
 723            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
 724            bigPictureStyle.bigPicture(bitmap);
 725            if (tmp.size() > 0) {
 726                CharSequence text = getMergedBodies(tmp);
 727                bigPictureStyle.setSummaryText(text);
 728                builder.setContentText(text);
 729                builder.setTicker(text);
 730            } else {
 731                final String description = UIHelper.getFileDescriptionString(mXmppConnectionService, message);
 732                builder.setContentText(description);
 733                builder.setTicker(description);
 734            }
 735            builder.setStyle(bigPictureStyle);
 736        } catch (final IOException e) {
 737            modifyForTextOnly(builder, messages);
 738        }
 739    }
 740
 741    private Person getPerson(Message message) {
 742        final Contact contact = message.getContact();
 743        final Person.Builder builder = new Person.Builder();
 744        if (contact != null) {
 745            builder.setName(contact.getDisplayName());
 746            final Uri uri = contact.getSystemAccount();
 747            if (uri != null) {
 748                builder.setUri(uri.toString());
 749            }
 750        } else {
 751            builder.setName(UIHelper.getMessageDisplayName(message));
 752        }
 753        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 754            builder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(message, AvatarService.getSystemUiAvatarSize(mXmppConnectionService), false)));
 755        }
 756        return builder.build();
 757    }
 758
 759    private void modifyForTextOnly(final Builder builder, final ArrayList<Message> messages) {
 760        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 761            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 762            final Person.Builder meBuilder = new Person.Builder().setName(mXmppConnectionService.getString(R.string.me));
 763            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 764                meBuilder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(conversation.getAccount(), AvatarService.getSystemUiAvatarSize(mXmppConnectionService))));
 765            }
 766            final Person me = meBuilder.build();
 767            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(me);
 768            final boolean multiple = conversation.getMode() == Conversation.MODE_MULTI;
 769            if (multiple) {
 770                messagingStyle.setConversationTitle(conversation.getName());
 771            }
 772            for (Message message : messages) {
 773                final Person sender = message.getStatus() == Message.STATUS_RECEIVED ? getPerson(message) : null;
 774                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && isImageMessage(message)) {
 775                    final Uri dataUri = FileBackend.getMediaUri(mXmppConnectionService, mXmppConnectionService.getFileBackend().getFile(message));
 776                    NotificationCompat.MessagingStyle.Message imageMessage = new NotificationCompat.MessagingStyle.Message(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 777                    if (dataUri != null) {
 778                        imageMessage.setData(message.getMimeType(), dataUri);
 779                    }
 780                    messagingStyle.addMessage(imageMessage);
 781                } else {
 782                    messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 783                }
 784            }
 785            messagingStyle.setGroupConversation(multiple);
 786            builder.setStyle(messagingStyle);
 787        } else {
 788            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
 789                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
 790                final CharSequence preview = UIHelper.getMessagePreview(mXmppConnectionService, messages.get(messages.size() - 1)).first;
 791                builder.setContentText(preview);
 792                builder.setTicker(preview);
 793                builder.setNumber(messages.size());
 794            } else {
 795                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 796                SpannableString styledString;
 797                for (Message message : messages) {
 798                    final String name = UIHelper.getMessageDisplayName(message);
 799                    styledString = new SpannableString(name + ": " + message.getBody());
 800                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 801                    style.addLine(styledString);
 802                }
 803                builder.setStyle(style);
 804                int count = messages.size();
 805                if (count == 1) {
 806                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
 807                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
 808                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 809                    builder.setContentText(styledString);
 810                    builder.setTicker(styledString);
 811                } else {
 812                    final String text = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count);
 813                    builder.setContentText(text);
 814                    builder.setTicker(text);
 815                }
 816            }
 817        }
 818    }
 819
 820    private Message getImage(final Iterable<Message> messages) {
 821        Message image = null;
 822        for (final Message message : messages) {
 823            if (message.getStatus() != Message.STATUS_RECEIVED) {
 824                return null;
 825            }
 826            if (isImageMessage(message)) {
 827                image = message;
 828            }
 829        }
 830        return image;
 831    }
 832
 833    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
 834        for (final Message message : messages) {
 835            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
 836                return message;
 837            }
 838        }
 839        return null;
 840    }
 841
 842    private Message getFirstLocationMessage(final Iterable<Message> messages) {
 843        for (final Message message : messages) {
 844            if (message.isGeoUri()) {
 845                return message;
 846            }
 847        }
 848        return null;
 849    }
 850
 851    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
 852        final StringBuilder text = new StringBuilder();
 853        for (Message message : messages) {
 854            if (text.length() != 0) {
 855                text.append("\n");
 856            }
 857            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
 858        }
 859        return text.toString();
 860    }
 861
 862    private PendingIntent createShowLocationIntent(final Message message) {
 863        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
 864        for (Intent intent : intents) {
 865            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
 866                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
 867            }
 868        }
 869        return null;
 870    }
 871
 872    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
 873        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
 874        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
 875        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
 876        if (downloadMessageUuid != null) {
 877            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
 878            return PendingIntent.getActivity(mXmppConnectionService,
 879                    generateRequestCode(conversationUuid, 8),
 880                    viewConversationIntent,
 881                    PendingIntent.FLAG_UPDATE_CURRENT);
 882        } else {
 883            return PendingIntent.getActivity(mXmppConnectionService,
 884                    generateRequestCode(conversationUuid, 10),
 885                    viewConversationIntent,
 886                    PendingIntent.FLAG_UPDATE_CURRENT);
 887        }
 888    }
 889
 890    private int generateRequestCode(String uuid, int actionId) {
 891        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
 892    }
 893
 894    private int generateRequestCode(Conversational conversation, int actionId) {
 895        return generateRequestCode(conversation.getUuid(), actionId);
 896    }
 897
 898    private PendingIntent createDownloadIntent(final Message message) {
 899        return createContentIntent(message.getConversationUuid(), message.getUuid());
 900    }
 901
 902    private PendingIntent createContentIntent(final Conversational conversation) {
 903        return createContentIntent(conversation.getUuid(), null);
 904    }
 905
 906    private PendingIntent createDeleteIntent(Conversation conversation) {
 907        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 908        intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
 909        if (conversation != null) {
 910            intent.putExtra("uuid", conversation.getUuid());
 911            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
 912        }
 913        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
 914    }
 915
 916    private PendingIntent createReplyIntent(Conversation conversation, boolean dismissAfterReply) {
 917        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 918        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
 919        intent.putExtra("uuid", conversation.getUuid());
 920        intent.putExtra("dismiss_notification", dismissAfterReply);
 921        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
 922        return PendingIntent.getService(mXmppConnectionService, id, intent, 0);
 923    }
 924
 925    private PendingIntent createReadPendingIntent(Conversation conversation) {
 926        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 927        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
 928        intent.putExtra("uuid", conversation.getUuid());
 929        intent.setPackage(mXmppConnectionService.getPackageName());
 930        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
 931    }
 932
 933    private PendingIntent createCallAction(String sessionId, final String action, int requestCode) {
 934        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 935        intent.setAction(action);
 936        intent.setPackage(mXmppConnectionService.getPackageName());
 937        intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, sessionId);
 938        return PendingIntent.getService(mXmppConnectionService, requestCode, intent, PendingIntent.FLAG_UPDATE_CURRENT);
 939    }
 940
 941    private PendingIntent createSnoozeIntent(Conversation conversation) {
 942        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 943        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
 944        intent.putExtra("uuid", conversation.getUuid());
 945        intent.setPackage(mXmppConnectionService.getPackageName());
 946        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
 947    }
 948
 949    private PendingIntent createTryAgainIntent() {
 950        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 951        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
 952        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
 953    }
 954
 955    private PendingIntent createDismissErrorIntent() {
 956        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
 957        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
 958        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
 959    }
 960
 961    private boolean wasHighlightedOrPrivate(final Message message) {
 962        if (message.getConversation() instanceof Conversation) {
 963            Conversation conversation = (Conversation) message.getConversation();
 964            final String nick = conversation.getMucOptions().getActualNick();
 965            final Pattern highlight = generateNickHighlightPattern(nick);
 966            if (message.getBody() == null || nick == null) {
 967                return false;
 968            }
 969            final Matcher m = highlight.matcher(message.getBody());
 970            return (m.find() || message.isPrivateMessage());
 971        } else {
 972            return false;
 973        }
 974    }
 975
 976    public void setOpenConversation(final Conversation conversation) {
 977        this.mOpenConversation = conversation;
 978    }
 979
 980    public void setIsInForeground(final boolean foreground) {
 981        this.mIsInForeground = foreground;
 982    }
 983
 984    private int getPixel(final int dp) {
 985        final DisplayMetrics metrics = mXmppConnectionService.getResources()
 986                .getDisplayMetrics();
 987        return ((int) (dp * metrics.density));
 988    }
 989
 990    private void markLastNotification() {
 991        this.mLastNotification = SystemClock.elapsedRealtime();
 992    }
 993
 994    private boolean inMiniGracePeriod(final Account account) {
 995        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
 996                : Config.MINI_GRACE_PERIOD * 2;
 997        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
 998    }
 999
1000    Notification createForegroundNotification() {
1001        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1002        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.app_name));
1003        final List<Account> accounts = mXmppConnectionService.getAccounts();
1004        int enabled = 0;
1005        int connected = 0;
1006        if (accounts != null) {
1007            for (Account account : accounts) {
1008                if (account.isOnlineAndConnected()) {
1009                    connected++;
1010                    enabled++;
1011                } else if (account.isEnabled()) {
1012                    enabled++;
1013                }
1014            }
1015        }
1016        mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
1017        final PendingIntent openIntent = createOpenConversationsIntent();
1018        if (openIntent != null) {
1019            mBuilder.setContentIntent(openIntent);
1020        }
1021        mBuilder.setWhen(0);
1022        mBuilder.setPriority(Notification.PRIORITY_MIN);
1023        mBuilder.setSmallIcon(connected > 0 ? R.drawable.ic_link_white_24dp : R.drawable.ic_link_off_white_24dp);
1024
1025        if (Compatibility.runsTwentySix()) {
1026            mBuilder.setChannelId("foreground");
1027        }
1028
1029
1030        return mBuilder.build();
1031    }
1032
1033    private PendingIntent createOpenConversationsIntent() {
1034        try {
1035            return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
1036        } catch (RuntimeException e) {
1037            return null;
1038        }
1039    }
1040
1041    void updateErrorNotification() {
1042        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
1043            cancel(ERROR_NOTIFICATION_ID);
1044            return;
1045        }
1046        final boolean showAllErrors = QuickConversationsService.isConversations();
1047        final List<Account> errors = new ArrayList<>();
1048        for (final Account account : mXmppConnectionService.getAccounts()) {
1049            if (account.hasErrorStatus() && account.showErrorNotification() && (showAllErrors || account.getLastErrorStatus() == Account.State.UNAUTHORIZED)) {
1050                errors.add(account);
1051            }
1052        }
1053        if (mXmppConnectionService.foregroundNotificationNeedsUpdatingWhenErrorStateChanges()) {
1054            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
1055        }
1056        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1057        if (errors.size() == 0) {
1058            cancel(ERROR_NOTIFICATION_ID);
1059            return;
1060        } else if (errors.size() == 1) {
1061            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
1062            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toString());
1063        } else {
1064            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
1065            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
1066        }
1067        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
1068                mXmppConnectionService.getString(R.string.try_again),
1069                createTryAgainIntent());
1070        mBuilder.setDeleteIntent(createDismissErrorIntent());
1071        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
1072            mBuilder.setVisibility(Notification.VISIBILITY_PRIVATE);
1073            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
1074        } else {
1075            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
1076        }
1077        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
1078            mBuilder.setLocalOnly(true);
1079        }
1080        mBuilder.setPriority(Notification.PRIORITY_LOW);
1081        final Intent intent;
1082        if (AccountUtils.MANAGE_ACCOUNT_ACTIVITY != null) {
1083            intent = new Intent(mXmppConnectionService, AccountUtils.MANAGE_ACCOUNT_ACTIVITY);
1084        } else {
1085            intent = new Intent(mXmppConnectionService, EditAccountActivity.class);
1086            intent.putExtra("jid", errors.get(0).getJid().asBareJid().toEscapedString());
1087            intent.putExtra(EditAccountActivity.EXTRA_OPENED_FROM_NOTIFICATION, true);
1088        }
1089        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService, 145, intent, PendingIntent.FLAG_UPDATE_CURRENT));
1090        if (Compatibility.runsTwentySix()) {
1091            mBuilder.setChannelId("error");
1092        }
1093        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
1094    }
1095
1096    void updateFileAddingNotification(int current, Message message) {
1097        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1098        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
1099        mBuilder.setProgress(100, current, false);
1100        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
1101        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
1102        mBuilder.setOngoing(true);
1103        if (Compatibility.runsTwentySix()) {
1104            mBuilder.setChannelId("compression");
1105        }
1106        Notification notification = mBuilder.build();
1107        notify(FOREGROUND_NOTIFICATION_ID, notification);
1108    }
1109
1110    void dismissForcedForegroundNotification() {
1111        cancel(FOREGROUND_NOTIFICATION_ID);
1112    }
1113
1114    private void notify(String tag, int id, Notification notification) {
1115        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1116        try {
1117            notificationManager.notify(tag, id, notification);
1118        } catch (RuntimeException e) {
1119            Log.d(Config.LOGTAG, "unable to make notification", e);
1120        }
1121    }
1122
1123    public void notify(int id, Notification notification) {
1124        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1125        try {
1126            notificationManager.notify(id, notification);
1127        } catch (RuntimeException e) {
1128            Log.d(Config.LOGTAG, "unable to make notification", e);
1129        }
1130    }
1131
1132    private void cancel(int id) {
1133        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1134        try {
1135            notificationManager.cancel(id);
1136        } catch (RuntimeException e) {
1137            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1138        }
1139    }
1140
1141    private void cancel(String tag, int id) {
1142        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1143        try {
1144            notificationManager.cancel(tag, id);
1145        } catch (RuntimeException e) {
1146            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1147        }
1148    }
1149}