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.NotificationCompat.CarExtender.UnreadConversation;
 26import android.support.v4.app.RemoteInput;
 27import android.support.v4.content.ContextCompat;
 28import android.text.SpannableString;
 29import android.text.style.StyleSpan;
 30import android.util.DisplayMetrics;
 31import android.util.Log;
 32import android.util.Pair;
 33
 34import java.io.File;
 35import java.io.IOException;
 36import java.util.ArrayList;
 37import java.util.Calendar;
 38import java.util.HashMap;
 39import java.util.Iterator;
 40import java.util.LinkedHashMap;
 41import java.util.List;
 42import java.util.Map;
 43import java.util.concurrent.atomic.AtomicInteger;
 44import java.util.regex.Matcher;
 45import java.util.regex.Pattern;
 46
 47import eu.siacs.conversations.Config;
 48import eu.siacs.conversations.R;
 49import eu.siacs.conversations.entities.Account;
 50import eu.siacs.conversations.entities.Contact;
 51import eu.siacs.conversations.entities.Conversation;
 52import eu.siacs.conversations.entities.Conversational;
 53import eu.siacs.conversations.entities.Message;
 54import eu.siacs.conversations.persistance.FileBackend;
 55import eu.siacs.conversations.ui.ConversationsActivity;
 56import eu.siacs.conversations.ui.ManageAccountActivity;
 57import eu.siacs.conversations.ui.TimePreference;
 58import eu.siacs.conversations.utils.Compatibility;
 59import eu.siacs.conversations.utils.GeoHelper;
 60import eu.siacs.conversations.utils.UIHelper;
 61import eu.siacs.conversations.xmpp.XmppConnection;
 62
 63public class NotificationService {
 64
 65    public static final Object CATCHUP_LOCK = new Object();
 66
 67    private static final String CONVERSATIONS_GROUP = "eu.siacs.conversations";
 68    private static final int NOTIFICATION_ID_MULTIPLIER = 1024 * 1024;
 69    private static final int NOTIFICATION_ID = 2 * NOTIFICATION_ID_MULTIPLIER;
 70    public static final int FOREGROUND_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 4;
 71    private static final int ERROR_NOTIFICATION_ID = NOTIFICATION_ID_MULTIPLIER * 6;
 72    private final XmppConnectionService mXmppConnectionService;
 73    private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
 74    private final HashMap<Conversation, AtomicInteger> mBacklogMessageCounter = new HashMap<>();
 75    private Conversation mOpenConversation;
 76    private boolean mIsInForeground;
 77    private long mLastNotification;
 78
 79    NotificationService(final XmppConnectionService service) {
 80        this.mXmppConnectionService = service;
 81    }
 82
 83    private static boolean displaySnoozeAction(List<Message> messages) {
 84        int numberOfMessagesWithoutReply = 0;
 85        for (Message message : messages) {
 86            if (message.getStatus() == Message.STATUS_RECEIVED) {
 87                ++numberOfMessagesWithoutReply;
 88            } else {
 89                return false;
 90            }
 91        }
 92        return numberOfMessagesWithoutReply >= 3;
 93    }
 94
 95    public static Pattern generateNickHighlightPattern(final String nick) {
 96        return Pattern.compile("(?<=(^|\\s))" + Pattern.quote(nick) + "\\b");
 97    }
 98
 99    @RequiresApi(api = Build.VERSION_CODES.O)
100    public void initializeChannels() {
101        final Context c = mXmppConnectionService;
102        NotificationManager notificationManager = c.getSystemService(NotificationManager.class);
103        if (notificationManager == null) {
104            return;
105        }
106
107        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("status", c.getString(R.string.notification_group_status_information)));
108        notificationManager.createNotificationChannelGroup(new NotificationChannelGroup("chats", c.getString(R.string.notification_group_messages)));
109        final NotificationChannel foregroundServiceChannel = new NotificationChannel("foreground",
110                c.getString(R.string.foreground_service_channel_name),
111                NotificationManager.IMPORTANCE_MIN);
112        foregroundServiceChannel.setDescription(c.getString(R.string.foreground_service_channel_description));
113        foregroundServiceChannel.setShowBadge(false);
114        foregroundServiceChannel.setGroup("status");
115        notificationManager.createNotificationChannel(foregroundServiceChannel);
116        final NotificationChannel errorChannel = new NotificationChannel("error",
117                c.getString(R.string.error_channel_name),
118                NotificationManager.IMPORTANCE_LOW);
119        errorChannel.setDescription(c.getString(R.string.error_channel_description));
120        errorChannel.setShowBadge(false);
121        errorChannel.setGroup("status");
122        notificationManager.createNotificationChannel(errorChannel);
123
124        final NotificationChannel videoCompressionChannel = new NotificationChannel("compression",
125                c.getString(R.string.video_compression_channel_name),
126                NotificationManager.IMPORTANCE_LOW);
127        videoCompressionChannel.setShowBadge(false);
128        videoCompressionChannel.setGroup("status");
129        notificationManager.createNotificationChannel(videoCompressionChannel);
130
131        final NotificationChannel messagesChannel = new NotificationChannel("messages",
132                c.getString(R.string.messages_channel_name),
133                NotificationManager.IMPORTANCE_HIGH);
134        messagesChannel.setShowBadge(true);
135        messagesChannel.setSound(RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION), new AudioAttributes.Builder()
136                .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
137                .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
138                .build());
139        messagesChannel.setLightColor(0xff00ff00);
140        final int dat = 70;
141        final long[] pattern = {0, 3 * dat, dat, dat};
142        messagesChannel.setVibrationPattern(pattern);
143        messagesChannel.enableVibration(true);
144        messagesChannel.enableLights(true);
145        messagesChannel.setGroup("chats");
146        notificationManager.createNotificationChannel(messagesChannel);
147        final NotificationChannel silentMessagesChannel = new NotificationChannel("silent_messages",
148                c.getString(R.string.silent_messages_channel_name),
149                NotificationManager.IMPORTANCE_LOW);
150        silentMessagesChannel.setDescription(c.getString(R.string.silent_messages_channel_description));
151        silentMessagesChannel.setShowBadge(true);
152        silentMessagesChannel.setLightColor(0xff00ff00);
153        silentMessagesChannel.enableLights(true);
154        silentMessagesChannel.setGroup("chats");
155        notificationManager.createNotificationChannel(silentMessagesChannel);
156    }
157
158    public boolean notify(final Message message) {
159        final Conversation conversation = (Conversation) message.getConversation();
160        return message.getStatus() == Message.STATUS_RECEIVED
161                && notificationsEnabled()
162                && !conversation.isMuted()
163                && (conversation.alwaysNotify() || wasHighlightedOrPrivate(message))
164                && (!conversation.isWithStranger() || notificationsFromStrangers())
165                ;
166    }
167
168    private boolean notificationsEnabled() {
169        return mXmppConnectionService.getBooleanPreference("show_notification", R.bool.show_notification);
170    }
171
172    private boolean notificationsFromStrangers() {
173        return mXmppConnectionService.getBooleanPreference("notifications_from_strangers", R.bool.notifications_from_strangers);
174    }
175
176    private boolean isQuietHours() {
177        if (!mXmppConnectionService.getBooleanPreference("enable_quiet_hours", R.bool.enable_quiet_hours)) {
178            return false;
179        }
180        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
181        final long startTime = preferences.getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
182        final long endTime = preferences.getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
183        final long nowTime = Calendar.getInstance().getTimeInMillis() % Config.MILLISECONDS_IN_DAY;
184
185        if (endTime < startTime) {
186            return nowTime > startTime || nowTime < endTime;
187        } else {
188            return nowTime > startTime && nowTime < endTime;
189        }
190    }
191
192    public void pushFromBacklog(final Message message) {
193        if (notify(message)) {
194            synchronized (notifications) {
195                getBacklogMessageCounter((Conversation) message.getConversation()).incrementAndGet();
196                pushToStack(message);
197            }
198        }
199    }
200
201    private AtomicInteger getBacklogMessageCounter(Conversation conversation) {
202        synchronized (mBacklogMessageCounter) {
203            if (!mBacklogMessageCounter.containsKey(conversation)) {
204                mBacklogMessageCounter.put(conversation, new AtomicInteger(0));
205            }
206            return mBacklogMessageCounter.get(conversation);
207        }
208    }
209
210    public void pushFromDirectReply(final Message message) {
211        synchronized (notifications) {
212            pushToStack(message);
213            updateNotification(false);
214        }
215    }
216
217    public void finishBacklog(boolean notify, Account account) {
218        synchronized (notifications) {
219            mXmppConnectionService.updateUnreadCountBadge();
220            if (account == null || !notify) {
221                updateNotification(notify);
222            } else {
223                updateNotification(getBacklogMessageCount(account) > 0);
224            }
225        }
226    }
227
228    private int getBacklogMessageCount(Account account) {
229        int count = 0;
230        synchronized (this.mBacklogMessageCounter) {
231            for (Iterator<Map.Entry<Conversation, AtomicInteger>> it = mBacklogMessageCounter.entrySet().iterator(); it.hasNext(); ) {
232                Map.Entry<Conversation, AtomicInteger> entry = it.next();
233                if (entry.getKey().getAccount() == account) {
234                    count += entry.getValue().get();
235                    it.remove();
236                }
237            }
238        }
239        Log.d(Config.LOGTAG, account.getJid().asBareJid() + ": backlog message count=" + count);
240        return count;
241    }
242
243    public void finishBacklog(boolean notify) {
244        finishBacklog(notify, null);
245    }
246
247    private void pushToStack(final Message message) {
248        final String conversationUuid = message.getConversationUuid();
249        if (notifications.containsKey(conversationUuid)) {
250            notifications.get(conversationUuid).add(message);
251        } else {
252            final ArrayList<Message> mList = new ArrayList<>();
253            mList.add(message);
254            notifications.put(conversationUuid, mList);
255        }
256    }
257
258    public void push(final Message message) {
259        synchronized (CATCHUP_LOCK) {
260            final XmppConnection connection = message.getConversation().getAccount().getXmppConnection();
261            if (connection != null && connection.isWaitingForSmCatchup()) {
262                connection.incrementSmCatchupMessageCounter();
263                pushFromBacklog(message);
264            } else {
265                pushNow(message);
266            }
267        }
268    }
269
270    private void pushNow(final Message message) {
271        mXmppConnectionService.updateUnreadCountBadge();
272        if (!notify(message)) {
273            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because turned off");
274            return;
275        }
276        final boolean isScreenOn = mXmppConnectionService.isInteractive();
277        if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) {
278            Log.d(Config.LOGTAG, message.getConversation().getAccount().getJid().asBareJid() + ": suppressing notification because conversation is open");
279            return;
280        }
281        synchronized (notifications) {
282            pushToStack(message);
283            final Account account = message.getConversation().getAccount();
284            final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
285                    && !account.inGracePeriod()
286                    && !this.inMiniGracePeriod(account);
287            updateNotification(doNotify);
288        }
289    }
290
291    public void clear() {
292        synchronized (notifications) {
293            for (ArrayList<Message> messages : notifications.values()) {
294                markAsReadIfHasDirectReply(messages);
295            }
296            notifications.clear();
297            updateNotification(false);
298        }
299    }
300
301    public void clear(final Conversation conversation) {
302        synchronized (this.mBacklogMessageCounter) {
303            this.mBacklogMessageCounter.remove(conversation);
304        }
305        synchronized (notifications) {
306            markAsReadIfHasDirectReply(conversation);
307            if (notifications.remove(conversation.getUuid()) != null) {
308                cancel(conversation.getUuid(), NOTIFICATION_ID);
309                updateNotification(false, true);
310            }
311        }
312    }
313
314    private void markAsReadIfHasDirectReply(final Conversation conversation) {
315        markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
316    }
317
318    private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
319        if (messages != null && messages.size() > 0) {
320            Message last = messages.get(messages.size() - 1);
321            if (last.getStatus() != Message.STATUS_RECEIVED) {
322                if (mXmppConnectionService.markRead((Conversation) last.getConversation(), false)) {
323                    mXmppConnectionService.updateConversationUi();
324                }
325            }
326        }
327    }
328
329    private void setNotificationColor(final Builder mBuilder) {
330        mBuilder.setColor(ContextCompat.getColor(mXmppConnectionService, R.color.green600));
331    }
332
333    public void updateNotification(final boolean notify) {
334        updateNotification(notify, false);
335    }
336
337    private void updateNotification(final boolean notify, boolean summaryOnly) {
338        final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(mXmppConnectionService);
339
340        if (notifications.size() == 0) {
341            cancel(NOTIFICATION_ID);
342        } else {
343            if (notify) {
344                this.markLastNotification();
345            }
346            final Builder mBuilder;
347            if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
348                mBuilder = buildSingleConversations(notifications.values().iterator().next(), notify);
349                modifyForSoundVibrationAndLight(mBuilder, notify, preferences);
350                notify(NOTIFICATION_ID, mBuilder.build());
351            } else {
352                mBuilder = buildMultipleConversation(notify);
353                mBuilder.setGroupAlertBehavior(NotificationCompat.GROUP_ALERT_CHILDREN);
354                modifyForSoundVibrationAndLight(mBuilder, notify, preferences);
355                if (!summaryOnly) {
356                    for (Map.Entry<String, ArrayList<Message>> entry : notifications.entrySet()) {
357                        Builder singleBuilder = buildSingleConversations(entry.getValue(), notify);
358                        singleBuilder.setGroup(CONVERSATIONS_GROUP);
359                        setNotificationColor(singleBuilder);
360                        notify(entry.getKey(), NOTIFICATION_ID, singleBuilder.build());
361                    }
362                }
363                notify(NOTIFICATION_ID, mBuilder.build());
364            }
365        }
366    }
367
368    private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, SharedPreferences preferences) {
369        final Resources resources = mXmppConnectionService.getResources();
370        final String ringtone = preferences.getString("notification_ringtone", resources.getString(R.string.notification_ringtone));
371        final boolean vibrate = preferences.getBoolean("vibrate_on_notification", resources.getBoolean(R.bool.vibrate_on_notification));
372        final boolean led = preferences.getBoolean("led", resources.getBoolean(R.bool.led));
373        final boolean headsup = preferences.getBoolean("notification_headsup", resources.getBoolean(R.bool.headsup_notifications));
374        if (notify && !isQuietHours()) {
375            if (vibrate) {
376                final int dat = 70;
377                final long[] pattern = {0, 3 * dat, dat, dat};
378                mBuilder.setVibrate(pattern);
379            } else {
380                mBuilder.setVibrate(new long[]{0});
381            }
382            Uri uri = Uri.parse(ringtone);
383            try {
384                mBuilder.setSound(fixRingtoneUri(uri));
385            } catch (SecurityException e) {
386                Log.d(Config.LOGTAG, "unable to use custom notification sound " + uri.toString());
387            }
388        }
389        if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
390            mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
391        }
392        mBuilder.setPriority(notify ? (headsup ? NotificationCompat.PRIORITY_HIGH : NotificationCompat.PRIORITY_DEFAULT) : NotificationCompat.PRIORITY_LOW);
393        setNotificationColor(mBuilder);
394        mBuilder.setDefaults(0);
395        if (led) {
396            mBuilder.setLights(0xff00FF00, 2000, 3000);
397        }
398    }
399
400    private Uri fixRingtoneUri(Uri uri) {
401        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N && "file".equals(uri.getScheme())) {
402            return FileBackend.getUriForFile(mXmppConnectionService, new File(uri.getPath()));
403        } else {
404            return uri;
405        }
406    }
407
408    private Builder buildMultipleConversation(final boolean notify) {
409        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, notify ? "messages" : "silent_messages");
410        final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
411        style.setBigContentTitle(notifications.size()
412                + " "
413                + mXmppConnectionService
414                .getString(R.string.unread_conversations));
415        final StringBuilder names = new StringBuilder();
416        Conversation conversation = null;
417        for (final ArrayList<Message> messages : notifications.values()) {
418            if (messages.size() > 0) {
419                conversation = (Conversation) messages.get(0).getConversation();
420                final String name = conversation.getName().toString();
421                SpannableString styledString;
422                if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
423                    int count = messages.size();
424                    styledString = new SpannableString(name + ": " + mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
425                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
426                    style.addLine(styledString);
427                } else {
428                    styledString = new SpannableString(name + ": " + UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
429                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
430                    style.addLine(styledString);
431                }
432                names.append(name);
433                names.append(", ");
434            }
435        }
436        if (names.length() >= 2) {
437            names.delete(names.length() - 2, names.length());
438        }
439        mBuilder.setContentTitle(notifications.size()
440                + " "
441                + mXmppConnectionService
442                .getString(R.string.unread_conversations));
443        mBuilder.setContentText(names.toString());
444        mBuilder.setStyle(style);
445        if (conversation != null) {
446            mBuilder.setContentIntent(createContentIntent(conversation));
447        }
448        mBuilder.setGroupSummary(true);
449        mBuilder.setGroup(CONVERSATIONS_GROUP);
450        mBuilder.setDeleteIntent(createDeleteIntent(null));
451        mBuilder.setSmallIcon(R.drawable.ic_notification);
452        return mBuilder;
453    }
454
455    private Builder buildSingleConversations(final ArrayList<Message> messages, final boolean notify) {
456        final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService, notify ? "messages" : "silent_messages");
457        if (messages.size() >= 1) {
458            final Conversation conversation = (Conversation) messages.get(0).getConversation();
459            final UnreadConversation.Builder mUnreadBuilder = new UnreadConversation.Builder(conversation.getName().toString());
460            mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
461                    .get(conversation, getPixel(64)));
462            mBuilder.setContentTitle(conversation.getName());
463            if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
464                int count = messages.size();
465                mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
466            } else {
467                Message message;
468                if ((message = getImage(messages)) != null) {
469                    modifyForImage(mBuilder, mUnreadBuilder, message, messages);
470                } else {
471                    modifyForTextOnly(mBuilder, mUnreadBuilder, messages);
472                }
473                RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
474                PendingIntent markAsReadPendingIntent = createReadPendingIntent(conversation);
475                NotificationCompat.Action markReadAction = new NotificationCompat.Action.Builder(
476                        R.drawable.ic_drafts_white_24dp,
477                        mXmppConnectionService.getString(R.string.mark_as_read),
478                        markAsReadPendingIntent).build();
479                String replyLabel = mXmppConnectionService.getString(R.string.reply);
480                NotificationCompat.Action replyAction = new NotificationCompat.Action.Builder(
481                        R.drawable.ic_send_text_offline,
482                        replyLabel,
483                        createReplyIntent(conversation, false)).addRemoteInput(remoteInput).build();
484                NotificationCompat.Action wearReplyAction = new NotificationCompat.Action.Builder(R.drawable.ic_wear_reply,
485                        replyLabel,
486                        createReplyIntent(conversation, true)).addRemoteInput(remoteInput).build();
487                mBuilder.extend(new NotificationCompat.WearableExtender().addAction(wearReplyAction));
488                mUnreadBuilder.setReplyAction(createReplyIntent(conversation, true), remoteInput);
489                mUnreadBuilder.setReadPendingIntent(markAsReadPendingIntent);
490                mBuilder.extend(new NotificationCompat.CarExtender().setUnreadConversation(mUnreadBuilder.build()));
491                int addedActionsCount = 1;
492                mBuilder.addAction(markReadAction);
493                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
494                    mBuilder.addAction(replyAction);
495                    ++addedActionsCount;
496                }
497
498                if (displaySnoozeAction(messages)) {
499                    String label = mXmppConnectionService.getString(R.string.snooze);
500                    PendingIntent pendingSnoozeIntent = createSnoozeIntent(conversation);
501                    NotificationCompat.Action snoozeAction = new NotificationCompat.Action.Builder(
502                            R.drawable.ic_notifications_paused_white_24dp,
503                            label,
504                            pendingSnoozeIntent).build();
505                    mBuilder.addAction(snoozeAction);
506                    ++addedActionsCount;
507                }
508                if (addedActionsCount < 3) {
509                    final Message firstLocationMessage = getFirstLocationMessage(messages);
510                    if (firstLocationMessage != null) {
511                        String label = mXmppConnectionService.getResources().getString(R.string.show_location);
512                        PendingIntent pendingShowLocationIntent = createShowLocationIntent(firstLocationMessage);
513                        NotificationCompat.Action locationAction = new NotificationCompat.Action.Builder(
514                                R.drawable.ic_room_white_24dp,
515                                label,
516                                pendingShowLocationIntent).build();
517                        mBuilder.addAction(locationAction);
518                        ++addedActionsCount;
519                    }
520                }
521                if (addedActionsCount < 3) {
522                    Message firstDownloadableMessage = getFirstDownloadableMessage(messages);
523                    if (firstDownloadableMessage != null) {
524                        String label = mXmppConnectionService.getResources().getString(R.string.download_x_file, UIHelper.getFileDescriptionString(mXmppConnectionService, firstDownloadableMessage));
525                        PendingIntent pendingDownloadIntent = createDownloadIntent(firstDownloadableMessage);
526                        NotificationCompat.Action downloadAction = new NotificationCompat.Action.Builder(
527                                R.drawable.ic_file_download_white_24dp,
528                                label,
529                                pendingDownloadIntent).build();
530                        mBuilder.addAction(downloadAction);
531                        ++addedActionsCount;
532                    }
533                }
534            }
535            if (conversation.getMode() == Conversation.MODE_SINGLE) {
536                Contact contact = conversation.getContact();
537                Uri systemAccount = contact.getSystemAccount();
538                if (systemAccount != null) {
539                    mBuilder.addPerson(systemAccount.toString());
540                }
541            }
542            mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
543            mBuilder.setSmallIcon(R.drawable.ic_notification);
544            mBuilder.setDeleteIntent(createDeleteIntent(conversation));
545            mBuilder.setContentIntent(createContentIntent(conversation));
546        }
547        return mBuilder;
548    }
549
550    private void modifyForImage(final Builder builder, final UnreadConversation.Builder uBuilder,
551                                final Message message, final ArrayList<Message> messages) {
552        try {
553            final Bitmap bitmap = mXmppConnectionService.getFileBackend()
554                    .getThumbnail(message, getPixel(288), false);
555            final ArrayList<Message> tmp = new ArrayList<>();
556            for (final Message msg : messages) {
557                if (msg.getType() == Message.TYPE_TEXT
558                        && msg.getTransferable() == null) {
559                    tmp.add(msg);
560                }
561            }
562            final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
563            bigPictureStyle.bigPicture(bitmap);
564            if (tmp.size() > 0) {
565                CharSequence text = getMergedBodies(tmp);
566                bigPictureStyle.setSummaryText(text);
567                builder.setContentText(text);
568            } else {
569                builder.setContentText(UIHelper.getFileDescriptionString(mXmppConnectionService, message));
570            }
571            builder.setStyle(bigPictureStyle);
572        } catch (final IOException e) {
573            modifyForTextOnly(builder, uBuilder, messages);
574        }
575    }
576
577    private void modifyForTextOnly(final Builder builder, final UnreadConversation.Builder uBuilder, final ArrayList<Message> messages) {
578        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
579            NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(mXmppConnectionService.getString(R.string.me));
580            final Conversation conversation = (Conversation) messages.get(0).getConversation();
581            if (conversation.getMode() == Conversation.MODE_MULTI) {
582                messagingStyle.setConversationTitle(conversation.getName());
583            }
584            for (Message message : messages) {
585                String sender = message.getStatus() == Message.STATUS_RECEIVED ? UIHelper.getMessageDisplayName(message) : null;
586                messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService, message).first, message.getTimeSent(), sender);
587            }
588            builder.setStyle(messagingStyle);
589        } else {
590            if (messages.get(0).getConversation().getMode() == Conversation.MODE_SINGLE) {
591                builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
592                builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first);
593            } else {
594                final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
595                SpannableString styledString;
596                for (Message message : messages) {
597                    final String name = UIHelper.getMessageDisplayName(message);
598                    styledString = new SpannableString(name + ": " + message.getBody());
599                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
600                    style.addLine(styledString);
601                }
602                builder.setStyle(style);
603                int count = messages.size();
604                if (count == 1) {
605                    final String name = UIHelper.getMessageDisplayName(messages.get(0));
606                    styledString = new SpannableString(name + ": " + messages.get(0).getBody());
607                    styledString.setSpan(new StyleSpan(Typeface.BOLD), 0, name.length(), 0);
608                    builder.setContentText(styledString);
609                } else {
610                    builder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages, count, count));
611                }
612            }
613        }
614        /** message preview for Android Auto **/
615        for (Message message : messages) {
616            Pair<CharSequence, Boolean> preview = UIHelper.getMessagePreview(mXmppConnectionService, message);
617            // only show user written text
618            if (!preview.second) {
619                uBuilder.addMessage(preview.first.toString());
620                uBuilder.setLatestTimestamp(message.getTimeSent());
621            }
622        }
623    }
624
625    private Message getImage(final Iterable<Message> messages) {
626        Message image = null;
627        for (final Message message : messages) {
628            if (message.getStatus() != Message.STATUS_RECEIVED) {
629                return null;
630            }
631            if (message.getType() != Message.TYPE_TEXT
632                    && message.getTransferable() == null
633                    && message.getEncryption() != Message.ENCRYPTION_PGP
634                    && message.getFileParams().height > 0) {
635                image = message;
636            }
637        }
638        return image;
639    }
640
641    private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
642        for (final Message message : messages) {
643            if (message.getTransferable() != null || (message.getType() == Message.TYPE_TEXT && message.treatAsDownloadable())) {
644                return message;
645            }
646        }
647        return null;
648    }
649
650    private Message getFirstLocationMessage(final Iterable<Message> messages) {
651        for (final Message message : messages) {
652            if (message.isGeoUri()) {
653                return message;
654            }
655        }
656        return null;
657    }
658
659    private CharSequence getMergedBodies(final ArrayList<Message> messages) {
660        final StringBuilder text = new StringBuilder();
661        for (Message message : messages) {
662            if (text.length() != 0) {
663                text.append("\n");
664            }
665            text.append(UIHelper.getMessagePreview(mXmppConnectionService, message).first);
666        }
667        return text.toString();
668    }
669
670    private PendingIntent createShowLocationIntent(final Message message) {
671        Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(mXmppConnectionService, message);
672        for (Intent intent : intents) {
673            if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
674                return PendingIntent.getActivity(mXmppConnectionService, generateRequestCode(message.getConversation(), 18), intent, PendingIntent.FLAG_UPDATE_CURRENT);
675            }
676        }
677        return createOpenConversationsIntent();
678    }
679
680    private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
681        final Intent viewConversationIntent = new Intent(mXmppConnectionService, ConversationsActivity.class);
682        viewConversationIntent.setAction(ConversationsActivity.ACTION_VIEW_CONVERSATION);
683        viewConversationIntent.putExtra(ConversationsActivity.EXTRA_CONVERSATION, conversationUuid);
684        if (downloadMessageUuid != null) {
685            viewConversationIntent.putExtra(ConversationsActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
686            return PendingIntent.getActivity(mXmppConnectionService,
687                    generateRequestCode(conversationUuid, 8),
688                    viewConversationIntent,
689                    PendingIntent.FLAG_UPDATE_CURRENT);
690        } else {
691            return PendingIntent.getActivity(mXmppConnectionService,
692                    generateRequestCode(conversationUuid, 10),
693                    viewConversationIntent,
694                    PendingIntent.FLAG_UPDATE_CURRENT);
695        }
696    }
697
698    private int generateRequestCode(String uuid, int actionId) {
699        return (actionId * NOTIFICATION_ID_MULTIPLIER) + (uuid.hashCode() % NOTIFICATION_ID_MULTIPLIER);
700    }
701
702    private int generateRequestCode(Conversational conversation, int actionId) {
703        return generateRequestCode(conversation.getUuid(), actionId);
704    }
705
706    private PendingIntent createDownloadIntent(final Message message) {
707        return createContentIntent(message.getConversationUuid(), message.getUuid());
708    }
709
710    private PendingIntent createContentIntent(final Conversational conversation) {
711        return createContentIntent(conversation.getUuid(), null);
712    }
713
714    private PendingIntent createDeleteIntent(Conversation conversation) {
715        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
716        intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
717        if (conversation != null) {
718            intent.putExtra("uuid", conversation.getUuid());
719            return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 20), intent, 0);
720        }
721        return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
722    }
723
724    private PendingIntent createReplyIntent(Conversation conversation, boolean dismissAfterReply) {
725        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
726        intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
727        intent.putExtra("uuid", conversation.getUuid());
728        intent.putExtra("dismiss_notification", dismissAfterReply);
729        final int id = generateRequestCode(conversation, dismissAfterReply ? 12 : 14);
730        return PendingIntent.getService(mXmppConnectionService, id, intent, 0);
731    }
732
733    private PendingIntent createReadPendingIntent(Conversation conversation) {
734        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
735        intent.setAction(XmppConnectionService.ACTION_MARK_AS_READ);
736        intent.putExtra("uuid", conversation.getUuid());
737        intent.setPackage(mXmppConnectionService.getPackageName());
738        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 16), intent, PendingIntent.FLAG_UPDATE_CURRENT);
739    }
740
741    private PendingIntent createSnoozeIntent(Conversation conversation) {
742        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
743        intent.setAction(XmppConnectionService.ACTION_SNOOZE);
744        intent.putExtra("uuid", conversation.getUuid());
745        intent.setPackage(mXmppConnectionService.getPackageName());
746        return PendingIntent.getService(mXmppConnectionService, generateRequestCode(conversation, 22), intent, PendingIntent.FLAG_UPDATE_CURRENT);
747    }
748
749    private PendingIntent createTryAgainIntent() {
750        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
751        intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
752        return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
753    }
754
755    private PendingIntent createDismissErrorIntent() {
756        final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
757        intent.setAction(XmppConnectionService.ACTION_DISMISS_ERROR_NOTIFICATIONS);
758        return PendingIntent.getService(mXmppConnectionService, 69, intent, 0);
759    }
760
761    private boolean wasHighlightedOrPrivate(final Message message) {
762        if (message.getConversation() instanceof Conversation) {
763            Conversation conversation = (Conversation) message.getConversation();
764            final String nick = conversation.getMucOptions().getActualNick();
765            final Pattern highlight = generateNickHighlightPattern(nick);
766            if (message.getBody() == null || nick == null) {
767                return false;
768            }
769            final Matcher m = highlight.matcher(message.getBody());
770            return (m.find() || message.getType() == Message.TYPE_PRIVATE);
771        } else {
772            return false;
773        }
774    }
775
776    public void setOpenConversation(final Conversation conversation) {
777        this.mOpenConversation = conversation;
778    }
779
780    public void setIsInForeground(final boolean foreground) {
781        this.mIsInForeground = foreground;
782    }
783
784    private int getPixel(final int dp) {
785        final DisplayMetrics metrics = mXmppConnectionService.getResources()
786                .getDisplayMetrics();
787        return ((int) (dp * metrics.density));
788    }
789
790    private void markLastNotification() {
791        this.mLastNotification = SystemClock.elapsedRealtime();
792    }
793
794    private boolean inMiniGracePeriod(final Account account) {
795        final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
796                : Config.MINI_GRACE_PERIOD * 2;
797        return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
798    }
799
800    public Notification createForegroundNotification() {
801        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
802        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.conversations_foreground_service));
803        if (Compatibility.twentySix() || Config.SHOW_CONNECTED_ACCOUNTS) {
804            List<Account> accounts = mXmppConnectionService.getAccounts();
805            int enabled = 0;
806            int connected = 0;
807            for (Account account : accounts) {
808                if (account.isOnlineAndConnected()) {
809                    connected++;
810                    enabled++;
811                } else if (account.isEnabled()) {
812                    enabled++;
813                }
814            }
815            mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
816        } else {
817            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_open_conversations));
818        }
819        mBuilder.setContentIntent(createOpenConversationsIntent());
820        mBuilder.setWhen(0);
821        mBuilder.setPriority(Notification.PRIORITY_LOW);
822        mBuilder.setSmallIcon(R.drawable.ic_link_white_24dp);
823
824        if (Compatibility.twentySix()) {
825            mBuilder.setChannelId("foreground");
826        }
827
828
829        return mBuilder.build();
830    }
831
832    private PendingIntent createOpenConversationsIntent() {
833        return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationsActivity.class), 0);
834    }
835
836    public void updateErrorNotification() {
837        if (Config.SUPPRESS_ERROR_NOTIFICATION) {
838            cancel(ERROR_NOTIFICATION_ID);
839            return;
840        }
841        final List<Account> errors = new ArrayList<>();
842        for (final Account account : mXmppConnectionService.getAccounts()) {
843            if (account.hasErrorStatus() && account.showErrorNotification()) {
844                errors.add(account);
845            }
846        }
847        if (Compatibility.keepForegroundService(mXmppConnectionService)) {
848            notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
849        }
850        final Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
851        if (errors.size() == 0) {
852            cancel(ERROR_NOTIFICATION_ID);
853            return;
854        } else if (errors.size() == 1) {
855            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
856            mBuilder.setContentText(errors.get(0).getJid().asBareJid().toString());
857        } else {
858            mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
859            mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
860        }
861        mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
862                mXmppConnectionService.getString(R.string.try_again),
863                createTryAgainIntent());
864        mBuilder.setDeleteIntent(createDismissErrorIntent());
865        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
866            mBuilder.setVisibility(NotificationCompat.VISIBILITY_PRIVATE);
867            mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
868        } else {
869            mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
870        }
871        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT_WATCH) {
872            mBuilder.setLocalOnly(true);
873        }
874        mBuilder.setPriority(Notification.PRIORITY_LOW);
875        mBuilder.setContentIntent(PendingIntent.getActivity(mXmppConnectionService,
876                145,
877                new Intent(mXmppConnectionService, ManageAccountActivity.class),
878                PendingIntent.FLAG_UPDATE_CURRENT));
879        if (Compatibility.twentySix()) {
880            mBuilder.setChannelId("error");
881        }
882        notify(ERROR_NOTIFICATION_ID, mBuilder.build());
883    }
884
885    public void updateFileAddingNotification(int current, Message message) {
886        Notification.Builder mBuilder = new Notification.Builder(mXmppConnectionService);
887        mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.transcoding_video));
888        mBuilder.setProgress(100, current, false);
889        mBuilder.setSmallIcon(R.drawable.ic_hourglass_empty_white_24dp);
890        mBuilder.setContentIntent(createContentIntent(message.getConversation()));
891        if (Compatibility.twentySix()) {
892            mBuilder.setChannelId("compression");
893        }
894        Notification notification = mBuilder.build();
895        notify(FOREGROUND_NOTIFICATION_ID, notification);
896    }
897
898    private void notify(String tag, int id, Notification notification) {
899        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
900        try {
901            notificationManager.notify(tag, id, notification);
902        } catch (RuntimeException e) {
903            Log.d(Config.LOGTAG, "unable to make notification", e);
904        }
905    }
906
907    private void notify(int id, Notification notification) {
908        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
909        try {
910            notificationManager.notify(id, notification);
911        } catch (RuntimeException e) {
912            Log.d(Config.LOGTAG, "unable to make notification", e);
913        }
914    }
915
916    private void cancel(int id) {
917        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
918        try {
919            notificationManager.cancel(id);
920        } catch (RuntimeException e) {
921            Log.d(Config.LOGTAG, "unable to cancel notification", e);
922        }
923    }
924
925    private void cancel(String tag, int id) {
926        final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
927        try {
928            notificationManager.cancel(tag, id);
929        } catch (RuntimeException e) {
930            Log.d(Config.LOGTAG, "unable to cancel notification", e);
931        }
932    }
933}