1package eu.siacs.conversations.services;
  2
  3import android.app.Notification;
  4import android.app.PendingIntent;
  5import android.content.Context;
  6import android.content.Intent;
  7import android.content.SharedPreferences;
  8import android.graphics.Bitmap;
  9import android.net.Uri;
 10import android.os.Build;
 11import android.os.SystemClock;
 12import android.support.v4.app.NotificationCompat;
 13import android.support.v4.app.NotificationCompat.BigPictureStyle;
 14import android.support.v4.app.NotificationCompat.Builder;
 15import android.support.v4.app.NotificationManagerCompat;
 16import android.support.v4.app.RemoteInput;
 17import android.support.v4.app.TaskStackBuilder;
 18import android.text.Html;
 19import android.util.DisplayMetrics;
 20import android.util.Log;
 21
 22import org.json.JSONArray;
 23import org.json.JSONObject;
 24
 25import java.io.FileNotFoundException;
 26import java.util.ArrayList;
 27import java.util.Calendar;
 28import java.util.HashMap;
 29import java.util.LinkedHashMap;
 30import java.util.List;
 31import java.util.Map;
 32import java.util.regex.Matcher;
 33import java.util.regex.Pattern;
 34
 35import eu.siacs.conversations.Config;
 36import eu.siacs.conversations.R;
 37import eu.siacs.conversations.entities.Account;
 38import eu.siacs.conversations.entities.Contact;
 39import eu.siacs.conversations.entities.Conversation;
 40import eu.siacs.conversations.entities.Message;
 41import eu.siacs.conversations.ui.ConversationActivity;
 42import eu.siacs.conversations.ui.ManageAccountActivity;
 43import eu.siacs.conversations.ui.TimePreference;
 44import eu.siacs.conversations.utils.GeoHelper;
 45import eu.siacs.conversations.utils.UIHelper;
 46
 47public class NotificationService {
 48
 49	private static final String CONVERSATIONS_GROUP = "eu.siacs.conversations";
 50	private final XmppConnectionService mXmppConnectionService;
 51
 52	private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
 53
 54	public static final int NOTIFICATION_ID = 0x2342;
 55	public static final int FOREGROUND_NOTIFICATION_ID = 0x8899;
 56	public static final int ERROR_NOTIFICATION_ID = 0x5678;
 57
 58	private Conversation mOpenConversation;
 59	private boolean mIsInForeground;
 60	private long mLastNotification;
 61
 62	public NotificationService(final XmppConnectionService service) {
 63		this.mXmppConnectionService = service;
 64	}
 65
 66	public boolean notify(final Message message) {
 67		return (message.getStatus() == Message.STATUS_RECEIVED)
 68				&& notificationsEnabled()
 69				&& !message.getConversation().isMuted()
 70				&& (message.getConversation().alwaysNotify() || wasHighlightedOrPrivate(message)
 71		);
 72	}
 73
 74	public boolean notificationsEnabled() {
 75		return mXmppConnectionService.getPreferences().getBoolean("show_notification", true);
 76	}
 77
 78	public boolean isQuietHours() {
 79		if (!mXmppConnectionService.getPreferences().getBoolean("enable_quiet_hours", false)) {
 80			return false;
 81		}
 82		final long startTime = mXmppConnectionService.getPreferences().getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
 83		final long endTime = mXmppConnectionService.getPreferences().getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
 84		final long nowTime = Calendar.getInstance().getTimeInMillis() % Config.MILLISECONDS_IN_DAY;
 85
 86		if (endTime < startTime) {
 87			return nowTime > startTime || nowTime < endTime;
 88		} else {
 89			return nowTime > startTime && nowTime < endTime;
 90		}
 91	}
 92
 93	public void pushFromBacklog(final Message message) {
 94		if (notify(message)) {
 95			synchronized (notifications) {
 96				pushToStack(message);
 97			}
 98		}
 99	}
100
101	public void pushFromDirectReply(final Message message) {
102		synchronized (notifications) {
103			pushToStack(message);
104			updateNotification(false);
105		}
106	}
107
108	public void finishBacklog(boolean notify) {
109		synchronized (notifications) {
110			mXmppConnectionService.updateUnreadCountBadge();
111			updateNotification(notify);
112		}
113	}
114
115	private void pushToStack(final Message message) {
116		final String conversationUuid = message.getConversationUuid();
117		if (notifications.containsKey(conversationUuid)) {
118			notifications.get(conversationUuid).add(message);
119		} else {
120			final ArrayList<Message> mList = new ArrayList<>();
121			mList.add(message);
122			notifications.put(conversationUuid, mList);
123		}
124	}
125
126	public void push(final Message message) {
127		mXmppConnectionService.updateUnreadCountBadge();
128		if (!notify(message)) {
129			Log.d(Config.LOGTAG,message.getConversation().getAccount().getJid().toBareJid()+": suppressing notification because turned off");
130			return;
131		}
132		final boolean isScreenOn = mXmppConnectionService.isInteractive();
133		if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) {
134			Log.d(Config.LOGTAG,message.getConversation().getAccount().getJid().toBareJid()+": suppressing notification because conversation is open");
135			return;
136		}
137		synchronized (notifications) {
138			pushToStack(message);
139			final Account account = message.getConversation().getAccount();
140			final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
141					&& !account.inGracePeriod()
142					&& !this.inMiniGracePeriod(account);
143			updateNotification(doNotify);
144		}
145	}
146
147	public void clear() {
148		synchronized (notifications) {
149			for(ArrayList<Message> messages : notifications.values()) {
150				markAsReadIfHasDirectReply(messages);
151			}
152			notifications.clear();
153			updateNotification(false);
154		}
155	}
156
157	public void clear(final Conversation conversation) {
158		synchronized (notifications) {
159			markAsReadIfHasDirectReply(conversation);
160			notifications.remove(conversation.getUuid());
161			final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
162			notificationManager.cancel(conversation.getUuid(), NOTIFICATION_ID);
163			updateNotification(false);
164		}
165	}
166
167	private void markAsReadIfHasDirectReply(final Conversation conversation) {
168		markAsReadIfHasDirectReply(notifications.get(conversation.getUuid()));
169	}
170
171	private void markAsReadIfHasDirectReply(final ArrayList<Message> messages) {
172		if (messages != null && messages.size() > 0) {
173			Message last = messages.get(messages.size() - 1);
174			if (last.getStatus() != Message.STATUS_RECEIVED) {
175				mXmppConnectionService.markRead(last.getConversation(), false);
176			}
177		}
178	}
179
180	private void setNotificationColor(final Builder mBuilder) {
181		mBuilder.setColor(mXmppConnectionService.getResources().getColor(R.color.primary500));
182	}
183
184	public void updateNotification(final boolean notify) {
185		final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
186		final SharedPreferences preferences = mXmppConnectionService.getPreferences();
187
188		if (notifications.size() == 0) {
189			notificationManager.cancel(NOTIFICATION_ID);
190		} else {
191			if (notify) {
192				this.markLastNotification();
193			}
194			final Builder mBuilder;
195			if (notifications.size() == 1 && Build.VERSION.SDK_INT < Build.VERSION_CODES.N) {
196				mBuilder = buildSingleConversations(notifications.values().iterator().next());
197				modifyForSoundVibrationAndLight(mBuilder, notify, preferences);
198				notificationManager.notify(NOTIFICATION_ID, mBuilder.build());
199			} else {
200				mBuilder = buildMultipleConversation();
201				modifyForSoundVibrationAndLight(mBuilder, notify, preferences);
202				notificationManager.notify(NOTIFICATION_ID, mBuilder.build());
203				for(Map.Entry<String,ArrayList<Message>> entry : notifications.entrySet()) {
204					Builder singleBuilder = buildSingleConversations(entry.getValue());
205					singleBuilder.setGroup(CONVERSATIONS_GROUP);
206					modifyForSoundVibrationAndLight(singleBuilder,notify,preferences);
207					notificationManager.notify(entry.getKey(), NOTIFICATION_ID ,singleBuilder.build());
208				}
209			}
210		}
211	}
212
213
214	private void modifyForSoundVibrationAndLight(Builder mBuilder, boolean notify, SharedPreferences preferences) {
215		final String ringtone = preferences.getString("notification_ringtone", null);
216		final boolean vibrate = preferences.getBoolean("vibrate_on_notification", true);
217		final boolean led = preferences.getBoolean("led", true);
218		if (notify && !isQuietHours()) {
219			if (vibrate) {
220				final int dat = 70;
221				final long[] pattern = {0, 3 * dat, dat, dat};
222				mBuilder.setVibrate(pattern);
223			}
224			if (ringtone != null) {
225				mBuilder.setSound(Uri.parse(ringtone));
226			}
227		}
228		if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
229			mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
230		}
231		setNotificationColor(mBuilder);
232		mBuilder.setDefaults(0);
233		if (led) {
234			mBuilder.setLights(0xff00FF00, 2000, 3000);
235		}
236	}
237
238	private Builder buildMultipleConversation() {
239		final Builder mBuilder = new NotificationCompat.Builder(
240				mXmppConnectionService);
241		final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
242		style.setBigContentTitle(notifications.size()
243				+ " "
244				+ mXmppConnectionService
245				.getString(R.string.unread_conversations));
246		final StringBuilder names = new StringBuilder();
247		Conversation conversation = null;
248		for (final ArrayList<Message> messages : notifications.values()) {
249			if (messages.size() > 0) {
250				conversation = messages.get(0).getConversation();
251				final String name = conversation.getName();
252				if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
253					int count = messages.size();
254					style.addLine(Html.fromHtml("<b>"+name+"</b>: "+mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages,count,count)));
255				} else {
256					style.addLine(Html.fromHtml("<b>" + name + "</b>: "
257							+ UIHelper.getMessagePreview(mXmppConnectionService, messages.get(0)).first));
258				}
259				names.append(name);
260				names.append(", ");
261			}
262		}
263		if (names.length() >= 2) {
264			names.delete(names.length() - 2, names.length());
265		}
266		mBuilder.setContentTitle(notifications.size()
267				+ " "
268				+ mXmppConnectionService
269				.getString(R.string.unread_conversations));
270		mBuilder.setContentText(names.toString());
271		mBuilder.setStyle(style);
272		if (conversation != null) {
273			mBuilder.setContentIntent(createContentIntent(conversation));
274		}
275		mBuilder.setGroupSummary(true);
276		mBuilder.setGroup(CONVERSATIONS_GROUP);
277		mBuilder.setDeleteIntent(createDeleteIntent(null));
278		mBuilder.setSmallIcon(R.drawable.ic_notification);
279		return mBuilder;
280	}
281
282	private Builder buildSingleConversations(final ArrayList<Message> messages) {
283		final Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
284		if (messages.size() >= 1) {
285			final Conversation conversation = messages.get(0).getConversation();
286			mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
287					.get(conversation, getPixel(64)));
288			mBuilder.setContentTitle(conversation.getName());
289			if (Config.HIDE_MESSAGE_TEXT_IN_NOTIFICATION) {
290				int count = messages.size();
291				mBuilder.setContentText(mXmppConnectionService.getResources().getQuantityString(R.plurals.x_messages,count,count));
292			} else {
293				Message message;
294				if ((message = getImage(messages)) != null) {
295					modifyForImage(mBuilder, message, messages);
296				} else {
297					modifyForTextOnly(mBuilder, messages);
298				}
299				RemoteInput remoteInput = new RemoteInput.Builder("text_reply").setLabel(UIHelper.getMessageHint(mXmppConnectionService, conversation)).build();
300				NotificationCompat.Action action = new NotificationCompat.Action.Builder(R.drawable.ic_send_text_offline, "Reply", createReplyIntent(conversation)).addRemoteInput(remoteInput).build();
301				if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
302					mBuilder.addAction(action);
303				} else {
304					mBuilder.extend(new NotificationCompat.WearableExtender().addAction(action));
305				}
306				if ((message = getFirstDownloadableMessage(messages)) != null) {
307					mBuilder.addAction(
308							Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ?
309									R.drawable.ic_file_download_white_24dp : R.drawable.ic_action_download,
310							mXmppConnectionService.getResources().getString(R.string.download_x_file,
311									UIHelper.getFileDescriptionString(mXmppConnectionService, message)),
312							createDownloadIntent(message)
313					);
314				}
315				if ((message = getFirstLocationMessage(messages)) != null) {
316					mBuilder.addAction(R.drawable.ic_room_white_24dp,
317							mXmppConnectionService.getString(R.string.show_location),
318							createShowLocationIntent(message));
319				}
320			}
321			if (conversation.getMode() == Conversation.MODE_SINGLE) {
322				Contact contact = conversation.getContact();
323				Uri systemAccount = contact.getSystemAccount();
324				if (systemAccount != null) {
325					mBuilder.addPerson(systemAccount.toString());
326				}
327			}
328			mBuilder.setWhen(conversation.getLatestMessage().getTimeSent());
329			mBuilder.setSmallIcon(R.drawable.ic_notification);
330			mBuilder.setDeleteIntent(createDeleteIntent(conversation));
331			mBuilder.setContentIntent(createContentIntent(conversation));
332		}
333		return mBuilder;
334	}
335
336	private void modifyForImage(final Builder builder, final Message message,
337								final ArrayList<Message> messages) {
338		try {
339			final Bitmap bitmap = mXmppConnectionService.getFileBackend()
340					.getThumbnail(message, getPixel(288), false);
341			final ArrayList<Message> tmp = new ArrayList<>();
342			for (final Message msg : messages) {
343				if (msg.getType() == Message.TYPE_TEXT
344						&& msg.getTransferable() == null) {
345					tmp.add(msg);
346				}
347			}
348			final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
349			bigPictureStyle.bigPicture(bitmap);
350			if (tmp.size() > 0) {
351				CharSequence text = getMergedBodies(tmp);
352				bigPictureStyle.setSummaryText(text);
353				builder.setContentText(text);
354			} else {
355				builder.setContentText(mXmppConnectionService.getString(
356						R.string.received_x_file,
357						UIHelper.getFileDescriptionString(mXmppConnectionService, message)));
358			}
359			builder.setStyle(bigPictureStyle);
360		} catch (final FileNotFoundException e) {
361			modifyForTextOnly(builder, messages);
362		}
363	}
364
365	private void modifyForTextOnly(final Builder builder, final ArrayList<Message> messages) {
366		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
367			NotificationCompat.MessagingStyle messagingStyle = new NotificationCompat.MessagingStyle(mXmppConnectionService.getString(R.string.me));
368			Conversation conversation = messages.get(0).getConversation();
369			if (conversation.getMode() == Conversation.MODE_MULTI) {
370				messagingStyle.setConversationTitle(conversation.getName());
371			}
372			for (Message message : messages) {
373				String sender = message.getStatus() == Message.STATUS_RECEIVED ? UIHelper.getMessageDisplayName(message) : null;
374				messagingStyle.addMessage(UIHelper.getMessagePreview(mXmppConnectionService,message).first, message.getTimeSent(), sender);
375			}
376			builder.setStyle(messagingStyle);
377		} else {
378			builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
379			builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService, messages.get((messages.size()-1))).first);
380		}
381	}
382
383	private Message getImage(final Iterable<Message> messages) {
384		Message image = null;
385		for (final Message message : messages) {
386			if (message.getStatus() != Message.STATUS_RECEIVED) {
387				return null;
388			}
389			if (message.getType() != Message.TYPE_TEXT
390					&& message.getTransferable() == null
391					&& message.getEncryption() != Message.ENCRYPTION_PGP
392					&& message.getFileParams().height > 0) {
393				image = message;
394			}
395		}
396		return image;
397	}
398
399	private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
400		for (final Message message : messages) {
401			if (message.getTransferable() != null
402					&& (message.getType() == Message.TYPE_FILE
403							|| message.getType() == Message.TYPE_IMAGE
404							|| message.treatAsDownloadable() != Message.Decision.NEVER)) {
405				return message;
406			}
407		}
408		return null;
409	}
410
411	private Message getFirstLocationMessage(final Iterable<Message> messages) {
412		for (final Message message : messages) {
413			if (GeoHelper.isGeoUri(message.getBody())) {
414				return message;
415			}
416		}
417		return null;
418	}
419
420	private CharSequence getMergedBodies(final ArrayList<Message> messages) {
421		final StringBuilder text = new StringBuilder();
422		for (int i = 0; i < messages.size(); ++i) {
423			text.append(UIHelper.getMessagePreview(mXmppConnectionService, messages.get(i)).first);
424			if (i != messages.size() - 1) {
425				text.append("\n");
426			}
427		}
428		return text.toString();
429	}
430
431	private PendingIntent createShowLocationIntent(final Message message) {
432		Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(message);
433		for (Intent intent : intents) {
434			if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
435				return PendingIntent.getActivity(mXmppConnectionService, 18, intent, PendingIntent.FLAG_UPDATE_CURRENT);
436			}
437		}
438		return createOpenConversationsIntent();
439	}
440
441	private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
442		final Intent viewConversationIntent = new Intent(mXmppConnectionService,ConversationActivity.class);
443		viewConversationIntent.setAction(ConversationActivity.ACTION_VIEW_CONVERSATION);
444		viewConversationIntent.putExtra(ConversationActivity.CONVERSATION, conversationUuid);
445		if (downloadMessageUuid != null) {
446			viewConversationIntent.putExtra(ConversationActivity.EXTRA_DOWNLOAD_UUID, downloadMessageUuid);
447			return PendingIntent.getActivity(mXmppConnectionService,
448					conversationUuid.hashCode() % 389782,
449					viewConversationIntent,
450					PendingIntent.FLAG_UPDATE_CURRENT);
451		} else {
452			return PendingIntent.getActivity(mXmppConnectionService,
453					conversationUuid.hashCode() % 936236,
454					viewConversationIntent,
455					PendingIntent.FLAG_UPDATE_CURRENT);
456		}
457	}
458
459	private PendingIntent createDownloadIntent(final Message message) {
460		return createContentIntent(message.getConversationUuid(), message.getUuid());
461	}
462
463	private PendingIntent createContentIntent(final Conversation conversation) {
464		return createContentIntent(conversation.getUuid(), null);
465	}
466
467	private PendingIntent createDeleteIntent(Conversation conversation) {
468		final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
469		intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
470		if (conversation != null) {
471			intent.putExtra("uuid", conversation.getUuid());
472			return PendingIntent.getService(mXmppConnectionService, conversation.getUuid().hashCode() % 247527, intent, 0);
473		}
474		return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
475	}
476
477	private PendingIntent createReplyIntent(Conversation conversation) {
478		final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
479		intent.setAction(XmppConnectionService.ACTION_REPLY_TO_CONVERSATION);
480		intent.putExtra("uuid",conversation.getUuid());
481		return PendingIntent.getService(mXmppConnectionService, conversation.getUuid().hashCode() % 402361, intent, 0);
482	}
483
484	private PendingIntent createDisableForeground() {
485		final Intent intent = new Intent(mXmppConnectionService,
486				XmppConnectionService.class);
487		intent.setAction(XmppConnectionService.ACTION_DISABLE_FOREGROUND);
488		return PendingIntent.getService(mXmppConnectionService, 34, intent, 0);
489	}
490
491	private PendingIntent createTryAgainIntent() {
492		final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
493		intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
494		return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
495	}
496
497	private PendingIntent createDisableAccountIntent(final Account account) {
498		final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
499		intent.setAction(XmppConnectionService.ACTION_DISABLE_ACCOUNT);
500		intent.putExtra("account", account.getJid().toBareJid().toString());
501		return PendingIntent.getService(mXmppConnectionService, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
502	}
503
504	private boolean wasHighlightedOrPrivate(final Message message) {
505		final String nick = message.getConversation().getMucOptions().getActualNick();
506		final Pattern highlight = generateNickHighlightPattern(nick);
507		if (message.getBody() == null || nick == null) {
508			return false;
509		}
510		final Matcher m = highlight.matcher(message.getBody());
511		return (m.find() || message.getType() == Message.TYPE_PRIVATE);
512	}
513
514	private static Pattern generateNickHighlightPattern(final String nick) {
515		// We expect a word boundary, i.e. space or start of string, followed by
516		// the
517		// nick (matched in case-insensitive manner), followed by optional
518		// punctuation (for example "bob: i disagree" or "how are you alice?"),
519		// followed by another word boundary.
520		return Pattern.compile("\\b" + Pattern.quote(nick) + "\\p{Punct}?\\b",
521				Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
522	}
523
524	public void setOpenConversation(final Conversation conversation) {
525		this.mOpenConversation = conversation;
526	}
527
528	public void setIsInForeground(final boolean foreground) {
529		this.mIsInForeground = foreground;
530	}
531
532	private int getPixel(final int dp) {
533		final DisplayMetrics metrics = mXmppConnectionService.getResources()
534				.getDisplayMetrics();
535		return ((int) (dp * metrics.density));
536	}
537
538	private void markLastNotification() {
539		this.mLastNotification = SystemClock.elapsedRealtime();
540	}
541
542	private boolean inMiniGracePeriod(final Account account) {
543		final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
544				: Config.MINI_GRACE_PERIOD * 2;
545		return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
546	}
547
548	public Notification createForegroundNotification() {
549		final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
550
551		mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.conversations_foreground_service));
552		if (Config.SHOW_CONNECTED_ACCOUNTS) {
553			List<Account> accounts = mXmppConnectionService.getAccounts();
554			int enabled = 0;
555			int connected = 0;
556			for (Account account : accounts) {
557				if (account.isOnlineAndConnected()) {
558					connected++;
559					enabled++;
560				} else if (!account.isOptionSet(Account.OPTION_DISABLED)) {
561					enabled++;
562				}
563			}
564			mBuilder.setContentText(mXmppConnectionService.getString(R.string.connected_accounts, connected, enabled));
565		} else {
566			mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_open_conversations));
567		}
568		mBuilder.setContentIntent(createOpenConversationsIntent());
569		mBuilder.setWhen(0);
570		mBuilder.setPriority(Config.SHOW_CONNECTED_ACCOUNTS ? NotificationCompat.PRIORITY_DEFAULT : NotificationCompat.PRIORITY_MIN);
571		mBuilder.setSmallIcon(R.drawable.ic_link_white_24dp);
572		if (Config.SHOW_DISABLE_FOREGROUND) {
573			final int cancelIcon;
574			if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
575				mBuilder.setCategory(Notification.CATEGORY_SERVICE);
576				cancelIcon = R.drawable.ic_cancel_white_24dp;
577			} else {
578				cancelIcon = R.drawable.ic_action_cancel;
579			}
580			mBuilder.addAction(cancelIcon,
581					mXmppConnectionService.getString(R.string.disable_foreground_service),
582					createDisableForeground());
583		}
584		return mBuilder.build();
585	}
586
587	private PendingIntent createOpenConversationsIntent() {
588		return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService, ConversationActivity.class), 0);
589	}
590
591	public void updateErrorNotification() {
592		final NotificationManagerCompat notificationManager = NotificationManagerCompat.from(mXmppConnectionService);
593		final List<Account> errors = new ArrayList<>();
594		for (final Account account : mXmppConnectionService.getAccounts()) {
595			if (account.hasErrorStatus()) {
596				errors.add(account);
597			}
598		}
599		if (mXmppConnectionService.getPreferences().getBoolean("keep_foreground_service", false)) {
600			notificationManager.notify(FOREGROUND_NOTIFICATION_ID, createForegroundNotification());
601		}
602		final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
603		if (errors.size() == 0) {
604			notificationManager.cancel(ERROR_NOTIFICATION_ID);
605			return;
606		} else if (errors.size() == 1) {
607			mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
608			mBuilder.setContentText(errors.get(0).getJid().toBareJid().toString());
609		} else {
610			mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
611			mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
612		}
613		mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
614				mXmppConnectionService.getString(R.string.try_again),
615				createTryAgainIntent());
616		if (errors.size() == 1) {
617			mBuilder.addAction(R.drawable.ic_block_white_24dp,
618					mXmppConnectionService.getString(R.string.disable_account),
619					createDisableAccountIntent(errors.get(0)));
620		}
621		mBuilder.setOngoing(true);
622		//mBuilder.setLights(0xffffffff, 2000, 4000);
623		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
624			mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
625		} else {
626			mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
627		}
628		final TaskStackBuilder stackBuilder = TaskStackBuilder.create(mXmppConnectionService);
629		stackBuilder.addParentStack(ConversationActivity.class);
630
631		final Intent manageAccountsIntent = new Intent(mXmppConnectionService, ManageAccountActivity.class);
632		stackBuilder.addNextIntent(manageAccountsIntent);
633
634		final PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
635
636		mBuilder.setContentIntent(resultPendingIntent);
637		notificationManager.notify(ERROR_NOTIFICATION_ID, mBuilder.build());
638	}
639}