NotificationService.java

   1package eu.siacs.conversations.services;
   2
   3import android.app.Notification;
   4import android.app.NotificationChannel;
   5import android.app.NotificationChannelGroup;
   6import android.app.NotificationManager;
   7import android.app.PendingIntent;
   8import android.content.Context;
   9import android.content.Intent;
  10import android.content.SharedPreferences;
  11import android.content.res.Resources;
  12import android.graphics.Bitmap;
  13import android.graphics.Typeface;
  14import android.media.AudioAttributes;
  15import android.media.Ringtone;
  16import android.media.RingtoneManager;
  17import android.net.Uri;
  18import android.os.Build;
  19import android.os.SystemClock;
  20import android.os.Vibrator;
  21import android.preference.PreferenceManager;
  22import android.text.SpannableString;
  23import android.text.style.StyleSpan;
  24import android.util.DisplayMetrics;
  25import android.util.Log;
  26
  27import androidx.annotation.RequiresApi;
  28import androidx.core.app.NotificationCompat;
  29import androidx.core.app.NotificationCompat.BigPictureStyle;
  30import androidx.core.app.NotificationCompat.Builder;
  31import androidx.core.app.NotificationManagerCompat;
  32import androidx.core.app.Person;
  33import androidx.core.app.RemoteInput;
  34import androidx.core.content.ContextCompat;
  35import androidx.core.graphics.drawable.IconCompat;
  36
  37import com.google.common.base.Strings;
  38
  39import java.io.File;
  40import java.io.IOException;
  41import java.util.ArrayList;
  42import java.util.Calendar;
  43import java.util.Collections;
  44import java.util.HashMap;
  45import java.util.Iterator;
  46import java.util.LinkedHashMap;
  47import java.util.List;
  48import java.util.Map;
  49import java.util.Set;
  50import java.util.concurrent.Executors;
  51import java.util.concurrent.ScheduledExecutorService;
  52import java.util.concurrent.ScheduledFuture;
  53import java.util.concurrent.TimeUnit;
  54import java.util.concurrent.atomic.AtomicInteger;
  55import java.util.regex.Matcher;
  56import java.util.regex.Pattern;
  57
  58import eu.siacs.conversations.Config;
  59import eu.siacs.conversations.R;
  60import eu.siacs.conversations.entities.Account;
  61import eu.siacs.conversations.entities.Contact;
  62import eu.siacs.conversations.entities.Conversation;
  63import eu.siacs.conversations.entities.Conversational;
  64import eu.siacs.conversations.entities.Message;
  65import eu.siacs.conversations.persistance.FileBackend;
  66import eu.siacs.conversations.ui.ConversationsActivity;
  67import eu.siacs.conversations.ui.EditAccountActivity;
  68import eu.siacs.conversations.ui.RtpSessionActivity;
  69import eu.siacs.conversations.ui.TimePreference;
  70import eu.siacs.conversations.utils.AccountUtils;
  71import eu.siacs.conversations.utils.Compatibility;
  72import eu.siacs.conversations.utils.GeoHelper;
  73import eu.siacs.conversations.utils.TorServiceUtils;
  74import eu.siacs.conversations.utils.UIHelper;
  75import eu.siacs.conversations.xmpp.XmppConnection;
  76import eu.siacs.conversations.xmpp.jingle.AbstractJingleConnection;
  77import eu.siacs.conversations.xmpp.jingle.Media;
  78
  79public class NotificationService {
  80
  81    private static final ScheduledExecutorService SCHEDULED_EXECUTOR_SERVICE = Executors.newSingleThreadScheduledExecutor();
  82
  83    public static final Object CATCHUP_LOCK = new Object();
  84
  85    private static final int LED_COLOR = 0xff00ff00;
  86
  87    private static final long[] CALL_PATTERN = {0, 500, 300, 600};
  88
  89    private static final String CONVERSATIONS_GROUP = "eu.siacs.conversations";
  90    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
  91    static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
  92    private static final int NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 2;
  93    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
  94    private static final int INCOMING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 8;
  95    public static final int ONGOING_CALL_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 10;
  96    private static final int DELIVERY_FAILED_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 12;
  97    private final XmppConnectionService mXmppConnectionService;
  98    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
  99    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
 100    private Conversation mOpenConversation;
 101    private boolean mIsInForeground;
 102    private long mLastNotification;
 103
 104    private static final String INCOMING_CALLS_NOTIFICATION_CHANNEL = "incoming_calls_channel";
 105    private Ringtone currentlyPlayingRingtone = null;
 106    private ScheduledFuture<?> vibrationFuture;
 107
 108    NotificationService(final XmppConnectionService service) {
 109        this.mXmppConnectionService = service;
 110    }
 111
 112    private static boolean displaySnoozeAction(List<Message> messages) {
 113        int numberOfMessagesWithoutReply = 0;
 114        for (Message message : messages) {
 115            if (message.getStatus() == Message.STATUS_RECEIVED) {
 116                ++numberOfMessagesWithoutReply;
 117            } else {
 118                return false;
 119            }
 120        }
 121        return numberOfMessagesWithoutReply >= 3;
 122    }
 123
 124    public static Pattern generateNickHighlightPattern(final String nick) {
 125        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "(?=\\s|$|\\p{Punct})");
 126    }
 127
 128    private static boolean isImageMessage(Message message) {
 129        return message.getType() != Message.TYPE_TEXT
 130                && message.getTransferable() == null
 131                && !message.isDeleted()
 132                && message.getEncryption() != Message.ENCRYPTION_PGP
 133                && message.getFileParams().height > 0;
 134    }
 135
 136    @RequiresApi(api = Build.VERSION_CODES.O)
 137    void initializeChannels() {
 138        final Context c = mXmppConnectionService;
 139        final NotificationManager notificationManager = c.getSystemService(NotificationManager.class);
 140        if (notificationManager == null) {
 141            return;
 142        }
 143
 144        notificationManager.deleteNotificationChannel("export");
 145        notificationManager.deleteNotificationChannel("incoming_calls");
 146
 147        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("status", c.getString(R.string.notification_group_status_information)));
 148        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("chats", c.getString(R.string.notification_group_messages)));
 149        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("calls", c.getString(R.string.notification_group_calls)));
 150        final NotificationChannel foregroundServiceChannel = new NotificationChannel("foreground",
 151                c.getString(R.string.foreground_service_channel_name),
 152                NotificationManager.IMPORTANCE_MIN);
 153        foregroundServiceChannel.setDescription(c.getString(R.string.foreground_service_channel_description, c.getString(R.string.app_name)));
 154        foregroundServiceChannel.setShowBadge(false);
 155        foregroundServiceChannel.setGroup("status");
 156        notificationManager.createNotificationChannel(foregroundServiceChannel);
 157        final NotificationChannel errorChannel = new NotificationChannel("error",
 158                c.getString(R.string.error_channel_name),
 159                NotificationManager.IMPORTANCE_LOW);
 160        errorChannel.setDescription(c.getString(R.string.error_channel_description));
 161        errorChannel.setShowBadge(false);
 162        errorChannel.setGroup("status");
 163        notificationManager.createNotificationChannel(errorChannel);
 164
 165        final NotificationChannel videoCompressionChannel = new NotificationChannel("compression",
 166                c.getString(R.string.video_compression_channel_name),
 167                NotificationManager.IMPORTANCE_LOW);
 168        videoCompressionChannel.setShowBadge(false);
 169        videoCompressionChannel.setGroup("status");
 170        notificationManager.createNotificationChannel(videoCompressionChannel);
 171
 172        final NotificationChannel exportChannel = new NotificationChannel("backup",
 173                c.getString(R.string.backup_channel_name),
 174                NotificationManager.IMPORTANCE_LOW);
 175        exportChannel.setShowBadge(false);
 176        exportChannel.setGroup("status");
 177        notificationManager.createNotificationChannel(exportChannel);
 178
 179        final NotificationChannel incomingCallsChannel = new NotificationChannel(INCOMING_CALLS_NOTIFICATION_CHANNEL,
 180                c.getString(R.string.incoming_calls_channel_name),
 181                NotificationManager.IMPORTANCE_HIGH);
 182        incomingCallsChannel.setSound(null, null);
 183        incomingCallsChannel.setShowBadge(false);
 184        incomingCallsChannel.setLightColor(LED_COLOR);
 185        incomingCallsChannel.enableLights(true);
 186        incomingCallsChannel.setGroup("calls");
 187        incomingCallsChannel.setBypassDnd(true);
 188        incomingCallsChannel.enableVibration(false);
 189        notificationManager.createNotificationChannel(incomingCallsChannel);
 190
 191        final NotificationChannel ongoingCallsChannel = new NotificationChannel("ongoing_calls",
 192                c.getString(R.string.ongoing_calls_channel_name),
 193                NotificationManager.IMPORTANCE_LOW);
 194        ongoingCallsChannel.setShowBadge(false);
 195        ongoingCallsChannel.setGroup("calls");
 196        notificationManager.createNotificationChannel(ongoingCallsChannel);
 197
 198
 199        final NotificationChannel messagesChannel = new NotificationChannel("messages",
 200                c.getString(R.string.messages_channel_name),
 201                NotificationManager.IMPORTANCE_HIGH);
 202        messagesChannel.setShowBadge(true);
 203        messagesChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 204                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 205                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 206                .build());
 207        messagesChannel.setLightColor(LED_COLOR);
 208        final int dat = 70;
 209        final long[] pattern = {0, 3 * dat, dat, dat};
 210        messagesChannel.setVibrationPattern(pattern);
 211        messagesChannel.enableVibration(true);
 212        messagesChannel.enableLights(true);
 213        messagesChannel.setGroup("chats");
 214        notificationManager.createNotificationChannel(messagesChannel);
 215        final NotificationChannel silentMessagesChannel = new NotificationChannel("silent_messages",
 216                c.getString(R.string.silent_messages_channel_name),
 217                NotificationManager.IMPORTANCE_LOW);
 218        silentMessagesChannel.setDescription(c.getString(R.string.silent_messages_channel_description));
 219        silentMessagesChannel.setShowBadge(true);
 220        silentMessagesChannel.setLightColor(LED_COLOR);
 221        silentMessagesChannel.enableLights(true);
 222        silentMessagesChannel.setGroup("chats");
 223        notificationManager.createNotificationChannel(silentMessagesChannel);
 224
 225        final NotificationChannel quietHoursChannel = new NotificationChannel("quiet_hours",
 226                c.getString(R.string.title_pref_quiet_hours),
 227                NotificationManager.IMPORTANCE_LOW);
 228        quietHoursChannel.setShowBadge(true);
 229        quietHoursChannel.setLightColor(LED_COLOR);
 230        quietHoursChannel.enableLights(true);
 231        quietHoursChannel.setGroup("chats");
 232        quietHoursChannel.enableVibration(false);
 233        quietHoursChannel.setSound(null, null);
 234
 235        notificationManager.createNotificationChannel(quietHoursChannel);
 236
 237        final NotificationChannel deliveryFailedChannel = new NotificationChannel("delivery_failed",
 238                c.getString(R.string.delivery_failed_channel_name),
 239                NotificationManager.IMPORTANCE_DEFAULT);
 240        deliveryFailedChannel.setShowBadge(false);
 241        deliveryFailedChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
 242                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
 243                .setUsage(AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_INSTANT)
 244                .build());
 245        deliveryFailedChannel.setGroup("chats");
 246        notificationManager.createNotificationChannel(deliveryFailedChannel);
 247    }
 248
 249    private boolean notify(final Message message) {
 250        final Conversation conversation = (Conversation) message.getConversation();
 251        return message.getStatus() == Message.STATUS_RECEIVED
 252                && !conversation.isMuted()
 253                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
 254                && (!conversation.isWithStranger() || notificationsFromStrangers());
 255    }
 256
 257    public boolean notificationsFromStrangers() {
 258        return mXmppConnectionService.getBooleanPreference("notifications_from_strangers", R.bool.notifications_from_strangers);
 259    }
 260
 261    private boolean isQuietHours() {
 262        if (!mXmppConnectionService.getBooleanPreference("enable_quiet_hours", R.bool.enable_quiet_hours)) {
 263            return false;
 264        }
 265        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 266        final long startTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE));
 267        final long endTime = TimePreference.minutesToTimestamp(preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE));
 268        final long nowTime = Calendar.getInstance().getTimeInMillis();
 269
 270        if (endTime < startTime) {
 271            return nowTime > startTime || nowTime < endTime;
 272        } else {
 273            return nowTime > startTime && nowTime < endTime;
 274        }
 275    }
 276
 277    public void pushFromBacklog(final Message message) {
 278        if (notify(message)) {
 279            synchronized (notifications) {
 280                getBacklogMessageCounter((Conversation) message.getConversation()).incrementAndGet();
 281                pushToStack(message);
 282            }
 283        }
 284    }
 285
 286    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
 287        synchronized (mBacklogMessageCounter) {
 288            if (!mBacklogMessageCounter.containsKey(conversation)) {
 289                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
 290            }
 291            return mBacklogMessageCounter.get(conversation);
 292        }
 293    }
 294
 295    void pushFromDirectReply(final Message message) {
 296        synchronized (notifications) {
 297            pushToStack(message);
 298            updateNotification(false);
 299        }
 300    }
 301
 302    public void finishBacklog(boolean notify, Account account) {
 303        synchronized (notifications) {
 304            mXmppConnectionService.updateUnreadCountBadge();
 305            if (account == null || !notify) {
 306                updateNotification(notify);
 307            } else {
 308                final int count;
 309                final List<String> conversations;
 310                synchronized (this.mBacklogMessageCounter) {
 311                    conversations = getBacklogConversations(account);
 312                    count = getBacklogMessageCount(account);
 313                }
 314                updateNotification(count > 0, conversations);
 315            }
 316        }
 317    }
 318
 319    private List<String> getBacklogConversations(Account account) {
 320        final List<String> conversations = new ArrayList<>();
 321        for (Map.Entry<Conversation, AtomicInteger> entry : mBacklogMessageCounter.entrySet()) {
 322            if (entry.getKey().getAccount() == account) {
 323                conversations.add(entry.getKey().getUuid());
 324            }
 325        }
 326        return conversations;
 327    }
 328
 329    private int getBacklogMessageCount(Account account) {
 330        int count = 0;
 331        for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
 332            Map.Entry<Conversation, AtomicInteger> entry = it.next();
 333            if (entry.getKey().getAccount() == account) {
 334                count += entry.getValue().get();
 335                it.remove();
 336            }
 337        }
 338        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
 339        return count;
 340    }
 341
 342    void finishBacklog(boolean notify) {
 343        finishBacklog(notify, null);
 344    }
 345
 346    private void pushToStack(final Message message) {
 347        final String conversationUuid = message.getConversationUuid();
 348        if (notifications.containsKey(conversationUuid)) {
 349            notifications.get(conversationUuid).add(message);
 350        } else {
 351            final ArrayList<Message> mList = new ArrayList<>();
 352            mList.add(message);
 353            notifications.put(conversationUuid, mList);
 354        }
 355    }
 356
 357    public void push(final Message message) {
 358        synchronized (CATCHUP_LOCK) {
 359            final XmppConnection connection = message.getConversation().getAccount().getXmppConnection();
 360            if (connection != null && connection.isWaitingForSmCatchup()) {
 361                connection.incrementSmCatchupMessageCounter();
 362                pushFromBacklog(message);
 363            } else {
 364                pushNow(message);
 365            }
 366        }
 367    }
 368
 369    public void pushFailedDelivery(final Message message) {
 370        final Conversation conversation = (Conversation) message.getConversation();
 371        final boolean isScreenLocked = !mXmppConnectionService.isScreenLocked();
 372        if (this.mIsInForeground && isScreenLocked && this.mOpenConversation == message.getConversation()) {
 373            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing failed delivery notification because conversation is open");
 374            return;
 375        }
 376        final PendingIntent pendingIntent = createContentIntent(conversation);
 377        final int notificationId = generateRequestCode(conversation, 0) + DELIVERY_FAILED_NOTIFICATION_ID;
 378        final int failedDeliveries = conversation.countFailedDeliveries();
 379        final Notification notification =
 380                new Builder(mXmppConnectionService, "delivery_failed")
 381                        .setContentTitle(conversation.getName())
 382                        .setAutoCancel(true)
 383                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 384                        .setContentText(mXmppConnectionService.getResources().getQuantityText(R.plurals.some_messages_could_not_be_delivered, failedDeliveries))
 385                        .setGroup("delivery_failed")
 386                        .setContentIntent(pendingIntent).build();
 387        final Notification summaryNotification =
 388                new Builder(mXmppConnectionService, "delivery_failed")
 389                        .setContentTitle(mXmppConnectionService.getString(R.string.failed_deliveries))
 390                        .setContentText(mXmppConnectionService.getResources().getQuantityText(R.plurals.some_messages_could_not_be_delivered, 1024))
 391                        .setSmallIcon(R.drawable.ic_error_white_24dp)
 392                        .setGroup("delivery_failed")
 393                        .setGroupSummary(true)
 394                        .setAutoCancel(true)
 395                        .build();
 396        notify(notificationId, notification);
 397        notify(DELIVERY_FAILED_NOTIFICATION_ID, summaryNotification);
 398    }
 399
 400    public void startRinging(final AbstractJingleConnection.Id id, final Set<Media> media) {
 401        showIncomingCallNotification(id, media);
 402        final NotificationManager notificationManager = (NotificationManager) mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
 403        final int currentInterruptionFilter;
 404        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M && notificationManager != null) {
 405            currentInterruptionFilter = notificationManager.getCurrentInterruptionFilter();
 406        } else {
 407            currentInterruptionFilter = 1; //INTERRUPTION_FILTER_ALL
 408        }
 409        if (currentInterruptionFilter != 1) {
 410            Log.d(Config.LOGTAG,"do not ring or vibrate because interruption filter has been set to "+currentInterruptionFilter);
 411            return;
 412        }
 413        final ScheduledFuture<?> currentVibrationFuture = this.vibrationFuture;
 414        this.vibrationFuture = SCHEDULED_EXECUTOR_SERVICE.scheduleAtFixedRate(
 415                new VibrationRunnable(),
 416                0,
 417                3,
 418                TimeUnit.SECONDS
 419        );
 420        if (currentVibrationFuture != null) {
 421            currentVibrationFuture.cancel(true);
 422        }
 423        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 424        final Resources resources = mXmppConnectionService.getResources();
 425        final String ringtonePreference = preferences.getString("call_ringtone", resources.getString(R.string.incoming_call_ringtone));
 426        if (Strings.isNullOrEmpty(ringtonePreference)) {
 427            Log.d(Config.LOGTAG,"ringtone has been set to none");
 428            return;
 429        }
 430        final Uri uri = Uri.parse(ringtonePreference);
 431        this.currentlyPlayingRingtone = RingtoneManager.getRingtone(mXmppConnectionService, uri);
 432        if (this.currentlyPlayingRingtone == null) {
 433            Log.d(Config.LOGTAG,"unable to find ringtone for uri "+uri);
 434            return;
 435        }
 436        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 437            this.currentlyPlayingRingtone.setLooping(true);
 438        }
 439        this.currentlyPlayingRingtone.play();
 440    }
 441
 442    private void showIncomingCallNotification(final AbstractJingleConnection.Id id, final Set<Media> media) {
 443        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 444        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 445        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 446        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 447        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
 448        fullScreenIntent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
 449        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, INCOMING_CALLS_NOTIFICATION_CHANNEL);
 450        if (media.contains(Media.VIDEO)) {
 451            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 452            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_video_call));
 453        } else {
 454            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 455            builder.setContentTitle(mXmppConnectionService.getString(R.string.rtp_state_incoming_call));
 456        }
 457        final Contact contact = id.getContact();
 458        builder.setLargeIcon(mXmppConnectionService.getAvatarService().get(
 459                contact,
 460                AvatarService.getSystemUiAvatarSize(mXmppConnectionService))
 461        );
 462        final Uri systemAccount = contact.getSystemAccount();
 463        if (systemAccount != null) {
 464            builder.addPerson(systemAccount.toString());
 465        }
 466        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 467        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 468        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 469        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 470        PendingIntent pendingIntent = createPendingRtpSession(id, Intent.ACTION_VIEW, 101);
 471        builder.setFullScreenIntent(pendingIntent, true);
 472        builder.setContentIntent(pendingIntent); //old androids need this?
 473        builder.setOngoing(true);
 474        builder.addAction(new NotificationCompat.Action.Builder(
 475                R.drawable.ic_call_end_white_48dp,
 476                mXmppConnectionService.getString(R.string.dismiss_call),
 477                createCallAction(id.sessionId, XmppConnectionService.ACTION_DISMISS_CALL, 102))
 478                .build());
 479        builder.addAction(new NotificationCompat.Action.Builder(
 480                R.drawable.ic_call_white_24dp,
 481                mXmppConnectionService.getString(R.string.answer_call),
 482                createPendingRtpSession(id, RtpSessionActivity.ACTION_ACCEPT_CALL, 103))
 483                .build());
 484        modifyIncomingCall(builder);
 485        final Notification notification = builder.build();
 486        notification.flags = notification.flags | Notification.FLAG_INSISTENT;
 487        notify(INCOMING_CALL_NOTIFICATION_ID, notification);
 488    }
 489
 490    public Notification getOngoingCallNotification(final AbstractJingleConnection.Id id, final Set<Media> media) {
 491        final NotificationCompat.Builder builder = new NotificationCompat.Builder(mXmppConnectionService, "ongoing_calls");
 492        if (media.contains(Media.VIDEO)) {
 493            builder.setSmallIcon(R.drawable.ic_videocam_white_24dp);
 494            builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_video_call));
 495        } else {
 496            builder.setSmallIcon(R.drawable.ic_call_white_24dp);
 497            builder.setContentTitle(mXmppConnectionService.getString(R.string.ongoing_call));
 498        }
 499        builder.setContentText(id.account.getRoster().getContact(id.with).getDisplayName());
 500        builder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC);
 501        builder.setPriority(NotificationCompat.PRIORITY_HIGH);
 502        builder.setCategory(NotificationCompat.CATEGORY_CALL);
 503        builder.setContentIntent(createPendingRtpSession(id, Intent.ACTION_VIEW, 101));
 504        builder.setOngoing(true);
 505        builder.addAction(new NotificationCompat.Action.Builder(
 506                R.drawable.ic_call_end_white_48dp,
 507                mXmppConnectionService.getString(R.string.hang_up),
 508                createCallAction(id.sessionId, XmppConnectionService.ACTION_END_CALL, 104))
 509                .build());
 510        return builder.build();
 511    }
 512
 513    private PendingIntent createPendingRtpSession(final AbstractJingleConnection.Id id, final String action, final int requestCode) {
 514        final Intent fullScreenIntent = new Intent(mXmppConnectionService, RtpSessionActivity.class);
 515        fullScreenIntent.setAction(action);
 516        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_ACCOUNT, id.account.getJid().asBareJid().toEscapedString());
 517        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_WITH, id.with.toEscapedString());
 518        fullScreenIntent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, id.sessionId);
 519        return PendingIntent.getActivity(mXmppConnectionService, requestCode, fullScreenIntent, PendingIntent.FLAG_UPDATE_CURRENT);
 520    }
 521
 522    public void cancelIncomingCallNotification() {
 523        stopSoundAndVibration();
 524        cancel(INCOMING_CALL_NOTIFICATION_ID);
 525    }
 526
 527    public boolean stopSoundAndVibration() {
 528        int stopped = 0;
 529        if (this.currentlyPlayingRingtone != null) {
 530            if (this.currentlyPlayingRingtone.isPlaying()) {
 531                Log.d(Config.LOGTAG, "stop playing ring tone");
 532                ++stopped;
 533            }
 534            this.currentlyPlayingRingtone.stop();
 535        }
 536        if (this.vibrationFuture != null && !this.vibrationFuture.isCancelled()) {
 537            Log.d(Config.LOGTAG, "stop vibration");
 538            this.vibrationFuture.cancel(true);
 539            ++stopped;
 540        }
 541        return stopped > 0;
 542    }
 543
 544    public static void cancelIncomingCallNotification(final Context context) {
 545        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(context);
 546        try {
 547            notificationManager.cancel(INCOMING_CALL_NOTIFICATION_ID);
 548        } catch (RuntimeException e) {
 549            Log.d(Config.LOGTAG, "unable to cancel incoming call notification after crash", e);
 550        }
 551    }
 552
 553    private void pushNow(final Message message) {
 554        mXmppConnectionService.updateUnreadCountBadge();
 555        if (!notify(message)) {
 556            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
 557            return;
 558        }
 559        final boolean isScreenLocked = mXmppConnectionService.isScreenLocked();
 560        if (this.mIsInForeground && !isScreenLocked && this.mOpenConversation == message.getConversation()) {
 561            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
 562            return;
 563        }
 564        synchronized (notifications) {
 565            pushToStack(message);
 566            final Conversational conversation = message.getConversation();
 567            final Account account = conversation.getAccount();
 568            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || isScreenLocked)
 569                    && !account.inGracePeriod()
 570                    && !this.inMiniGracePeriod(account);
 571            updateNotification(doNotify, Collections.singletonList(conversation.getUuid()));
 572        }
 573    }
 574
 575    public void clear() {
 576        synchronized (notifications) {
 577            for (ArrayList<Message> messages : notifications.values()) {
 578                markAsReadIfHasDirectReply(messages);
 579            }
 580            notifications.clear();
 581            updateNotification(false);
 582        }
 583    }
 584
 585    public void clear(final Conversation conversation) {
 586        synchronized (this.mBacklogMessageCounter) {
 587            this.mBacklogMessageCounter.remove(conversation);
 588        }
 589        synchronized (notifications) {
 590            markAsReadIfHasDirectReply(conversation);
 591            if (notifications.remove(conversation.getUuid()) != null) {
 592                cancel(conversation.getUuid(), NOTIFICATION_ID);
 593                updateNotification(false, null, true);
 594            }
 595        }
 596    }
 597
 598    private void markAsReadIfHasDirectReply(final Conversation conversation) {
 599        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
 600    }
 601
 602    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
 603        if (messages != null && messages.size() > 0) {
 604            Message last = messages.get(messages.size() - 1);
 605            if (last.getStatus() != Message.STATUS_RECEIVED) {
 606                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
 607                    mXmppConnectionService.updateConversationUi();
 608                }
 609            }
 610        }
 611    }
 612
 613    private void setNotificationColor(final Builder mBuilder) {
 614        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.green600));
 615    }
 616
 617    public void updateNotification() {
 618        synchronized (notifications) {
 619            updateNotification(false);
 620        }
 621    }
 622
 623    private void updateNotification(final boolean notify) {
 624        updateNotification(notify, null, false);
 625    }
 626
 627    private void updateNotification(final boolean notify, final List<String> conversations) {
 628        updateNotification(notify, conversations, false);
 629    }
 630
 631    private void updateNotification(final boolean notify, final List<String> conversations, final boolean summaryOnly) {
 632        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
 633
 634        final boolean quiteHours = isQuietHours();
 635
 636        final boolean notifyOnlyOneChild = notify && conversations != null && conversations.size() == 1; //if this check is changed to > 0 catchup messages will create one notification per conversation
 637
 638
 639        if (notifications.size() == 0) {
 640            cancel(NOTIFICATION_ID);
 641        } else {
 642            if (notify) {
 643                this.markLastNotification();
 644            }
 645            final Builder mBuilder;
 646            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
 647                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify, quiteHours);
 648                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 649                notify(NOTIFICATION_ID, mBuilder.build());
 650            } else {
 651                mBuilder = buildMultipleConversation(notify, quiteHours);
 652                if (notifyOnlyOneChild) {
 653                    mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
 654                }
 655                modifyForSoundVibrationAndLight(mBuilder, notify, quiteHours, preferences);
 656                if (!summaryOnly) {
 657                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
 658                        String uuid = entry.getKey();
 659                        final boolean notifyThis = notifyOnlyOneChild ? conversations.contains(uuid) : notify;
 660                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notifyThis, quiteHours);
 661                        if (!notifyOnlyOneChild) {
 662                            singleBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_SUMMARY);
 663                        }
 664                        modifyForSoundVibrationAndLight(singleBuilder, notifyThis, quiteHours, preferences);
 665                        singleBuilder.setGroup(CONVERSATIONS_GROUP);
 666                        setNotificationColor(singleBuilder);
 667                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
 668                    }
 669                }
 670                notify(NOTIFICATION_ID, mBuilder.build());
 671            }
 672        }
 673    }
 674
 675    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, boolean quietHours, SharedPreferences preferences) {
 676        final Resources resources = mXmppConnectionService.getResources();
 677        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
 678        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
 679        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
 680        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
 681        if (notify && !quietHours) {
 682            if (vibrate) {
 683                final int dat = 70;
 684                final long[] pattern = {0, 3 * dat, dat, dat};
 685                mBuilder.setVibrate(pattern);
 686            } else {
 687                mBuilder.setVibrate(new long[]{0});
 688            }
 689            Uri uri = Uri.parse(ringtone);
 690            try {
 691                mBuilder.setSound(fixRingtoneUri(uri));
 692            } catch (SecurityException e) {
 693                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
 694            }
 695        } else {
 696            mBuilder.setLocalOnly(true);
 697        }
 698        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
 699            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
 700        }
 701        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
 702        setNotificationColor(mBuilder);
 703        mBuilder.setDefaults(0);
 704        if (led) {
 705            mBuilder.setLights(LED_COLOR, 2000, 3000);
 706        }
 707    }
 708
 709    private void modifyIncomingCall(final Builder mBuilder) {
 710        mBuilder.setPriority(NotificationCompat.PRIORITY_HIGH);
 711        setNotificationColor(mBuilder);
 712        mBuilder.setLights(LED_COLOR, 2000, 3000);
 713    }
 714
 715    private Uri fixRingtoneUri(Uri uri) {
 716        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
 717            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
 718        } else {
 719            return uri;
 720        }
 721    }
 722
 723    private Builder buildMultipleConversation(final boolean notify, final boolean quietHours) {
 724        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 725        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 726        style.setBigContentTitle(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size()));
 727        final StringBuilder names = new StringBuilder();
 728        Conversation conversation = null;
 729        for (final ArrayList<Message> messages : notifications.values()) {
 730            if (messages.size() > 0) {
 731                conversation = (Conversation) messages.get(0).getConversation();
 732                final String name = conversation.getName().toString();
 733                SpannableString styledString;
 734                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 735                    int count = messages.size();
 736                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 737                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 738                    style.addLine(styledString);
 739                } else {
 740                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
 741                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 742                    style.addLine(styledString);
 743                }
 744                names.append(name);
 745                names.append(", ");
 746            }
 747        }
 748        if (names.length() >= 2) {
 749            names.delete(names.length() - 2, names.length());
 750        }
 751        final String contentTitle = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_unread_conversations, notifications.size(), notifications.size());
 752        mBuilder.setContentTitle(contentTitle);
 753        mBuilder.setTicker(contentTitle);
 754        mBuilder.setContentText(names.toString());
 755        mBuilder.setStyle(style);
 756        if (conversation != null) {
 757            mBuilder.setContentIntent(createContentIntent(conversation));
 758        }
 759        mBuilder.setGroupSummary(true);
 760        mBuilder.setGroup(CONVERSATIONS_GROUP);
 761        mBuilder.setDeleteIntent(createDeleteIntent(null));
 762        mBuilder.setSmallIcon(R.drawable.ic_notification);
 763        return mBuilder;
 764    }
 765
 766    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify, final boolean quietHours) {
 767        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, quietHours ? "quiet_hours" : (notify ? "messages" : "silent_messages"));
 768        if (messages.size() >= 1) {
 769            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 770            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
 771                    .get(conversation, AvatarService.getSystemUiAvatarSize(mXmppConnectionService)));
 772            mBuilder.setContentTitle(conversation.getName());
 773            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
 774                int count = messages.size();
 775                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
 776            } else {
 777                Message message;
 778                //TODO starting with Android 9 we might want to put images in MessageStyle
 779                if (Build.VERSION.SDK_INT < Build.VERSION_CODES.P && (message = getImage(messages)) != null) {
 780                    modifyForImage(mBuilder, message, messages);
 781                } else {
 782                    modifyForTextOnly(mBuilder, messages);
 783                }
 784                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
 785                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
 786                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
 787                        R.drawable.ic_drafts_white_24dp,
 788                        mXmppConnectionService.getString(R.string.mark_as_read),
 789                        markAsReadPendingIntent)
 790                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_MARK_AS_READ)
 791                        .setShowsUserInterface(false)
 792                        .build();
 793                String replyLabel = mXmppConnectionService.getString(R.string.reply);
 794                NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
 795                        R.drawable.ic_send_text_offline,
 796                        replyLabel,
 797                        createReplyIntent(conversation, false))
 798                        .setSemanticAction(NotificationCompat.Action.SEMANTIC_ACTION_REPLY)
 799                        .setShowsUserInterface(false)
 800                        .addRemoteInput(remoteInput).build();
 801                NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
 802                        replyLabel,
 803                        createReplyIntent(conversation, true)).addRemoteInput(remoteInput).build();
 804                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
 805                int addedActionsCount = 1;
 806                mBuilder.addAction(markReadAction);
 807                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 808                    mBuilder.addAction(replyAction);
 809                    ++addedActionsCount;
 810                }
 811
 812                if (displaySnoozeAction(messages)) {
 813                    String label = mXmppConnectionService.getString(R.string.snooze);
 814                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
 815                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
 816                            R.drawable.ic_notifications_paused_white_24dp,
 817                            label,
 818                            pendingSnoozeIntent).build();
 819                    mBuilder.addAction(snoozeAction);
 820                    ++addedActionsCount;
 821                }
 822                if (addedActionsCount < 3) {
 823                    final Message firstLocationMessage = getFirstLocationMessage(messages);
 824                    if (firstLocationMessage != null) {
 825                        final PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
 826                        if (pendingShowLocationIntent != null) {
 827                            final String label = mXmppConnectionService.getResources().getString(R.string.show_location);
 828                            NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
 829                                    R.drawable.ic_room_white_24dp,
 830                                    label,
 831                                    pendingShowLocationIntent).build();
 832                            mBuilder.addAction(locationAction);
 833                            ++addedActionsCount;
 834                        }
 835                    }
 836                }
 837                if (addedActionsCount < 3) {
 838                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
 839                    if (firstDownloadableMessage != null) {
 840                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
 841                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
 842                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
 843                                R.drawable.ic_file_download_white_24dp,
 844                                label,
 845                                pendingDownloadIntent).build();
 846                        mBuilder.addAction(downloadAction);
 847                        ++addedActionsCount;
 848                    }
 849                }
 850            }
 851            if (conversation.getMode() == Conversation.MODE_SINGLE) {
 852                Contact contact = conversation.getContact();
 853                Uri systemAccount = contact.getSystemAccount();
 854                if (systemAccount != null) {
 855                    mBuilder.addPerson(systemAccount.toString());
 856                }
 857            }
 858            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
 859            mBuilder.setSmallIcon(R.drawable.ic_notification);
 860            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
 861            mBuilder.setContentIntent(createContentIntent(conversation));
 862        }
 863        return mBuilder;
 864    }
 865
 866    private void modifyForImage(final Builder builder, final Message message, final ArrayList<Message> messages) {
 867        try {
 868            final Bitmap bitmap = mXmppConnectionService.getFileBackend().getThumbnail(message, getPixel(288), false);
 869            final ArrayList<Message> tmp = new ArrayList<>();
 870            for (final Message msg : messages) {
 871                if (msg.getType() == Message.TYPE_TEXT
 872                        && msg.getTransferable() == null) {
 873                    tmp.add(msg);
 874                }
 875            }
 876            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
 877            bigPictureStyle.bigPicture(bitmap);
 878            if (tmp.size() > 0) {
 879                CharSequence text = getMergedBodies(tmp);
 880                bigPictureStyle.setSummaryText(text);
 881                builder.setContentText(text);
 882                builder.setTicker(text);
 883            } else {
 884                final String description = UIHelper.getFileDescriptionString(mXmppConnectionService, message);
 885                builder.setContentText(description);
 886                builder.setTicker(description);
 887            }
 888            builder.setStyle(bigPictureStyle);
 889        } catch (final IOException e) {
 890            modifyForTextOnly(builder, messages);
 891        }
 892    }
 893
 894    private Person getPerson(Message message) {
 895        final Contact contact = message.getContact();
 896        final Person.Builder builder = new Person.Builder();
 897        if (contact != null) {
 898            builder.setName(contact.getDisplayName());
 899            final Uri uri = contact.getSystemAccount();
 900            if (uri != null) {
 901                builder.setUri(uri.toString());
 902            }
 903        } else {
 904            builder.setName(UIHelper.getMessageDisplayName(message));
 905        }
 906        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 907            builder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(message, AvatarService.getSystemUiAvatarSize(mXmppConnectionService), false)));
 908        }
 909        return builder.build();
 910    }
 911
 912    private void modifyForTextOnly(final Builder builder, final ArrayList<Message> messages) {
 913        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 914            final Conversation conversation = (Conversation) messages.get(0).getConversation();
 915            final Person.Builder meBuilder = new Person.Builder().setName(mXmppConnectionService.getString(R.string.me));
 916            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
 917                meBuilder.setIcon(IconCompat.createWithBitmap(mXmppConnectionService.getAvatarService().get(conversation.getAccount(), AvatarService.getSystemUiAvatarSize(mXmppConnectionService))));
 918            }
 919            final Person me = meBuilder.build();
 920            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(me);
 921            final boolean multiple = conversation.getMode() == Conversation.MODE_MULTI;
 922            if (multiple) {
 923                messagingStyle.setConversationTitle(conversation.getName());
 924            }
 925            for (Message message : messages) {
 926                final Person sender = message.getStatus() == Message.STATUS_RECEIVED ? getPerson(message) : null;
 927                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P && isImageMessage(message)) {
 928                    final Uri dataUri = FileBackend.getMediaUri(mXmppConnectionService, mXmppConnectionService.getFileBackend().getFile(message));
 929                    NotificationCompat.MessagingStyle.Message imageMessage = new NotificationCompat.MessagingStyle.Message(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 930                    if (dataUri != null) {
 931                        imageMessage.setData(message.getMimeType(), dataUri);
 932                    }
 933                    messagingStyle.addMessage(imageMessage);
 934                } else {
 935                    messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
 936                }
 937            }
 938            messagingStyle.setGroupConversation(multiple);
 939            builder.setStyle(messagingStyle);
 940        } else {
 941            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
 942                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
 943                final CharSequence preview = UIHelper.getMessagePreview(mXmppConnectionService, messages.get(messages.size() - 1)).first;
 944                builder.setContentText(preview);
 945                builder.setTicker(preview);
 946                builder.setNumber(messages.size());
 947            } else {
 948                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
 949                SpannableString styledString;
 950                for (Message message : messages) {
 951                    final String name = UIHelper.getMessageDisplayName(message);
 952                    styledString = new SpannableString(name + ": " + message.getBody());
 953                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 954                    style.addLine(styledString);
 955                }
 956                builder.setStyle(style);
 957                int count = messages.size();
 958                if (count == 1) {
 959                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
 960                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
 961                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
 962                    builder.setContentText(styledString);
 963                    builder.setTicker(styledString);
 964                } else {
 965                    final String text = mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count);
 966                    builder.setContentText(text);
 967                    builder.setTicker(text);
 968                }
 969            }
 970        }
 971    }
 972
 973    private Message getImage(final Iterable<Message> messages) {
 974        Message image = null;
 975        for (final Message message : messages) {
 976            if (message.getStatus() != Message.STATUS_RECEIVED) {
 977                return null;
 978            }
 979            if (isImageMessage(message)) {
 980                image = message;
 981            }
 982        }
 983        return image;
 984    }
 985
 986    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
 987        for (final Message message : messages) {
 988            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
 989                return message;
 990            }
 991        }
 992        return null;
 993    }
 994
 995    private Message getFirstLocationMessage(final Iterable<Message> messages) {
 996        for (final Message message : messages) {
 997            if (message.isGeoUri()) {
 998                return message;
 999            }
1000        }
1001        return null;
1002    }
1003
1004    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
1005        final StringBuilder text = new StringBuilder();
1006        for (Message message : messages) {
1007            if (text.length() != 0) {
1008                text.append("\n");
1009            }
1010            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
1011        }
1012        return text.toString();
1013    }
1014
1015    private PendingIntent createShowLocationIntent(final Message message) {
1016        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
1017        for (Intent intent : intents) {
1018            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
1019                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1020            }
1021        }
1022        return null;
1023    }
1024
1025    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
1026        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
1027        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
1028        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
1029        if (downloadMessageUuid != null) {
1030            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
1031            return PendingIntent.getActivity(mXmppConnectionService,
1032                    generateRequestCode(conversationUuid, 8),
1033                    viewConversationIntent,
1034                    PendingIntent.FLAG_UPDATE_CURRENT);
1035        } else {
1036            return PendingIntent.getActivity(mXmppConnectionService,
1037                    generateRequestCode(conversationUuid, 10),
1038                    viewConversationIntent,
1039                    PendingIntent.FLAG_UPDATE_CURRENT);
1040        }
1041    }
1042
1043    private int generateRequestCode(String uuid, int actionId) {
1044        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
1045    }
1046
1047    private int generateRequestCode(Conversational conversation, int actionId) {
1048        return generateRequestCode(conversation.getUuid(), actionId);
1049    }
1050
1051    private PendingIntent createDownloadIntent(final Message message) {
1052        return createContentIntent(message.getConversationUuid(), message.getUuid());
1053    }
1054
1055    private PendingIntent createContentIntent(final Conversational conversation) {
1056        return createContentIntent(conversation.getUuid(), null);
1057    }
1058
1059    private PendingIntent createDeleteIntent(Conversation conversation) {
1060        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1061        intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
1062        if (conversation != null) {
1063            intent.putExtra("uuid", conversation.getUuid());
1064            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
1065        }
1066        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
1067    }
1068
1069    private PendingIntent createReplyIntent(Conversation conversation, boolean dismissAfterReply) {
1070        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1071        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
1072        intent.putExtra("uuid", conversation.getUuid());
1073        intent.putExtra("dismiss_notification", dismissAfterReply);
1074        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
1075        return PendingIntent.getService(mXmppConnectionService, id, intent, 0);
1076    }
1077
1078    private PendingIntent createReadPendingIntent(Conversation conversation) {
1079        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1080        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
1081        intent.putExtra("uuid", conversation.getUuid());
1082        intent.setPackage(mXmppConnectionService.getPackageName());
1083        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1084    }
1085
1086    private PendingIntent createCallAction(String sessionId, final String action, int requestCode) {
1087        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1088        intent.setAction(action);
1089        intent.setPackage(mXmppConnectionService.getPackageName());
1090        intent.putExtra(RtpSessionActivity.EXTRA_SESSION_ID, sessionId);
1091        return PendingIntent.getService(mXmppConnectionService, requestCode, intent, PendingIntent.FLAG_UPDATE_CURRENT);
1092    }
1093
1094    private PendingIntent createSnoozeIntent(Conversation conversation) {
1095        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1096        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
1097        intent.putExtra("uuid", conversation.getUuid());
1098        intent.setPackage(mXmppConnectionService.getPackageName());
1099        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
1100    }
1101
1102    private PendingIntent createTryAgainIntent() {
1103        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1104        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
1105        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
1106    }
1107
1108    private PendingIntent createDismissErrorIntent() {
1109        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
1110        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
1111        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
1112    }
1113
1114    private boolean wasHighlightedOrPrivate(final Message message) {
1115        if (message.getConversation() instanceof Conversation) {
1116            Conversation conversation = (Conversation) message.getConversation();
1117            final String nick = conversation.getMucOptions().getActualNick();
1118            final Pattern highlight = generateNickHighlightPattern(nick);
1119            if (message.getBody() == null || nick == null) {
1120                return false;
1121            }
1122            final Matcher m = highlight.matcher(message.getBody());
1123            return (m.find() || message.isPrivateMessage());
1124        } else {
1125            return false;
1126        }
1127    }
1128
1129    public void setOpenConversation(final Conversation conversation) {
1130        this.mOpenConversation = conversation;
1131    }
1132
1133    public void setIsInForeground(final boolean foreground) {
1134        this.mIsInForeground = foreground;
1135    }
1136
1137    private int getPixel(final int dp) {
1138        final DisplayMetrics metrics = mXmppConnectionService.getResources()
1139                .getDisplayMetrics();
1140        return ((int) (dp * metrics.density));
1141    }
1142
1143    private void markLastNotification() {
1144        this.mLastNotification = SystemClock.elapsedRealtime();
1145    }
1146
1147    private boolean inMiniGracePeriod(final Account account) {
1148        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
1149                : Config.MINI_GRACE_PERIOD * 2;
1150        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
1151    }
1152
1153    Notification createForegroundNotification() {
1154        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1155        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.app_name));
1156        final List<Account> accounts = mXmppConnectionService.getAccounts();
1157        int enabled = 0;
1158        int connected = 0;
1159        if (accounts != null) {
1160            for (Account account : accounts) {
1161                if (account.isOnlineAndConnected()) {
1162                    connected++;
1163                    enabled++;
1164                } else if (account.isEnabled()) {
1165                    enabled++;
1166                }
1167            }
1168        }
1169        mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
1170        final PendingIntent openIntent = createOpenConversationsIntent();
1171        if (openIntent != null) {
1172            mBuilder.setContentIntent(openIntent);
1173        }
1174        mBuilder.setWhen(0);
1175        mBuilder.setPriority(Notification.PRIORITY_MIN);
1176        mBuilder.setSmallIcon(connected > 0 ? R.drawable.ic_link_white_24dp : R.drawable.ic_link_off_white_24dp);
1177
1178        if (Compatibility.runsTwentySix()) {
1179            mBuilder.setChannelId("foreground");
1180        }
1181
1182
1183        return mBuilder.build();
1184    }
1185
1186    private PendingIntent createOpenConversationsIntent() {
1187        try {
1188            return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
1189        } catch (RuntimeException e) {
1190            return null;
1191        }
1192    }
1193
1194    void updateErrorNotification() {
1195        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
1196            cancel(ERROR_NOTIFICATION_ID);
1197            return;
1198        }
1199        final boolean showAllErrors = QuickConversationsService.isConversations();
1200        final List<Account> errors = new ArrayList<>();
1201        boolean torNotAvailable = false;
1202        for (final Account account : mXmppConnectionService.getAccounts()) {
1203            if (account.hasErrorStatus() && account.showErrorNotification() && (showAllErrors || account.getLastErrorStatus() == Account.State.UNAUTHORIZED)) {
1204                errors.add(account);
1205                torNotAvailable |= account.getStatus() == Account.State.TOR_NOT_AVAILABLE;
1206            }
1207        }
1208        if (mXmppConnectionService.foregroundNotificationNeedsUpdatingWhenErrorStateChanges()) {
1209            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
1210        }
1211        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1212        if (errors.size() == 0) {
1213            cancel(ERROR_NOTIFICATION_ID);
1214            return;
1215        } else if (errors.size() == 1) {
1216            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
1217            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toEscapedString());
1218        } else {
1219            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
1220            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
1221        }
1222        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
1223                mXmppConnectionService.getString(R.string.try_again),
1224                createTryAgainIntent()
1225        );
1226        if (torNotAvailable) {
1227            if (TorServiceUtils.isOrbotInstalled(mXmppConnectionService)) {
1228                mBuilder.addAction(
1229                        R.drawable.ic_play_circle_filled_white_48dp,
1230                        mXmppConnectionService.getString(R.string.start_orbot),
1231                        PendingIntent.getActivity(mXmppConnectionService, 147, TorServiceUtils.LAUNCH_INTENT, 0)
1232                );
1233            } else {
1234                mBuilder.addAction(
1235                        R.drawable.ic_file_download_white_24dp,
1236                        mXmppConnectionService.getString(R.string.install_orbot),
1237                        PendingIntent.getActivity(mXmppConnectionService, 146, TorServiceUtils.INSTALL_INTENT, 0)
1238                );
1239            }
1240        }
1241        mBuilder.setDeleteIntent(createDismissErrorIntent());
1242        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
1243            mBuilder.setVisibility(Notification.VISIBILITY_PRIVATE);
1244            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
1245        } else {
1246            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
1247        }
1248        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
1249            mBuilder.setLocalOnly(true);
1250        }
1251        mBuilder.setPriority(Notification.PRIORITY_LOW);
1252        final Intent intent;
1253        if (AccountUtils.MANAGE_ACCOUNT_ACTIVITY != null) {
1254            intent = new Intent(mXmppConnectionService, AccountUtils.MANAGE_ACCOUNT_ACTIVITY);
1255        } else {
1256            intent = new Intent(mXmppConnectionService, EditAccountActivity.class);
1257            intent.putExtra("jid", errors.get(0).getJid().asBareJid().toEscapedString());
1258            intent.putExtra(EditAccountActivity.EXTRA_OPENED_FROM_NOTIFICATION, true);
1259        }
1260        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService, 145, intent, PendingIntent.FLAG_UPDATE_CURRENT));
1261        if (Compatibility.runsTwentySix()) {
1262            mBuilder.setChannelId("error");
1263        }
1264        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
1265    }
1266
1267    void updateFileAddingNotification(int current, Message message) {
1268        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
1269        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
1270        mBuilder.setProgress(100, current, false);
1271        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
1272        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
1273        mBuilder.setOngoing(true);
1274        if (Compatibility.runsTwentySix()) {
1275            mBuilder.setChannelId("compression");
1276        }
1277        Notification notification = mBuilder.build();
1278        notify(FOREGROUND_NOTIFICATION_ID, notification);
1279    }
1280
1281    private void notify(String tag, int id, Notification notification) {
1282        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1283        try {
1284            notificationManager.notify(tag, id, notification);
1285        } catch (RuntimeException e) {
1286            Log.d(Config.LOGTAG, "unable to make notification", e);
1287        }
1288    }
1289
1290    public void notify(int id, Notification notification) {
1291        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1292        try {
1293            notificationManager.notify(id, notification);
1294        } catch (RuntimeException e) {
1295            Log.d(Config.LOGTAG, "unable to make notification", e);
1296        }
1297    }
1298
1299    public void cancel(int id) {
1300        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1301        try {
1302            notificationManager.cancel(id);
1303        } catch (RuntimeException e) {
1304            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1305        }
1306    }
1307
1308    private void cancel(String tag, int id) {
1309        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
1310        try {
1311            notificationManager.cancel(tag, id);
1312        } catch (RuntimeException e) {
1313            Log.d(Config.LOGTAG, "unable to cancel notification", e);
1314        }
1315    }
1316
1317    private class VibrationRunnable implements Runnable {
1318
1319        @Override
1320        public void run() {
1321            final Vibrator vibrator = (Vibrator) mXmppConnectionService.getSystemService(Context.VIBRATOR_SERVICE);
1322            vibrator.vibrate(CALL_PATTERN, -1);
1323        }
1324    }
1325}