1package eu.siacs.conversations.services;
  2
  3import android.annotation.SuppressLint;
  4import android.app.Notification;
  5import android.app.NotificationManager;
  6import android.app.PendingIntent;
  7import android.content.Context;
  8import android.content.Intent;
  9import android.content.SharedPreferences;
 10import android.graphics.Bitmap;
 11import android.net.Uri;
 12import android.os.Build;
 13import android.os.PowerManager;
 14import android.os.SystemClock;
 15import android.support.v4.app.NotificationCompat;
 16import android.support.v4.app.NotificationCompat.BigPictureStyle;
 17import android.support.v4.app.NotificationCompat.Builder;
 18import android.support.v4.app.TaskStackBuilder;
 19import android.text.Html;
 20import android.util.DisplayMetrics;
 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.regex.Matcher;
 32import java.util.regex.Pattern;
 33
 34import eu.siacs.conversations.Config;
 35import eu.siacs.conversations.R;
 36import eu.siacs.conversations.entities.Account;
 37import eu.siacs.conversations.entities.Conversation;
 38import eu.siacs.conversations.entities.Message;
 39import eu.siacs.conversations.ui.ConversationActivity;
 40import eu.siacs.conversations.ui.ManageAccountActivity;
 41import eu.siacs.conversations.ui.TimePreference;
 42import eu.siacs.conversations.utils.GeoHelper;
 43import eu.siacs.conversations.utils.UIHelper;
 44
 45public class NotificationService {
 46
 47	private final XmppConnectionService mXmppConnectionService;
 48
 49	private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
 50
 51	public static final int NOTIFICATION_ID = 0x2342;
 52	public static final int FOREGROUND_NOTIFICATION_ID = 0x8899;
 53	public static final int ERROR_NOTIFICATION_ID = 0x5678;
 54
 55	private Conversation mOpenConversation;
 56	private boolean mIsInForeground;
 57	private long mLastNotification;
 58
 59	public NotificationService(final XmppConnectionService service) {
 60		this.mXmppConnectionService = service;
 61	}
 62
 63	public boolean notify(final Message message) {
 64		return (message.getStatus() == Message.STATUS_RECEIVED)
 65			&& notificationsEnabled()
 66			&& !message.getConversation().isMuted()
 67			&& (message.getConversation().getMode() == Conversation.MODE_SINGLE
 68					|| conferenceNotificationsEnabled()
 69					|| wasHighlightedOrPrivate(message)
 70				 );
 71	}
 72
 73	public void notifyPebble(final Message message) {
 74		final Intent i = new Intent("com.getpebble.action.SEND_NOTIFICATION");
 75
 76		final Conversation conversation = message.getConversation();
 77		final JSONObject jsonData = new JSONObject(new HashMap<String, String>(2) {{
 78			put("title", conversation.getName());
 79			put("body", message.getBody());
 80		}});
 81		final String notificationData = new JSONArray().put(jsonData).toString();
 82
 83		i.putExtra("messageType", "PEBBLE_ALERT");
 84		i.putExtra("sender", "Conversations"); /* XXX: Shouldn't be hardcoded, e.g., AbstractGenerator.APP_NAME); */
 85		i.putExtra("notificationData", notificationData);
 86		// notify Pebble App
 87		i.setPackage("com.getpebble.android");
 88		mXmppConnectionService.sendBroadcast(i);
 89		// notify Gadgetbridge
 90		i.setPackage("nodomain.freeyourgadget.gadgetbridge");
 91		mXmppConnectionService.sendBroadcast(i);
 92	}
 93
 94
 95	public boolean notificationsEnabled() {
 96		return mXmppConnectionService.getPreferences().getBoolean("show_notification", true);
 97	}
 98
 99	public boolean isQuietHours() {
100		if (!mXmppConnectionService.getPreferences().getBoolean("enable_quiet_hours", false)) {
101			return false;
102		}
103		final long startTime = mXmppConnectionService.getPreferences().getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
104		final long endTime = mXmppConnectionService.getPreferences().getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
105		final long nowTime = Calendar.getInstance().getTimeInMillis() % Config.MILLISECONDS_IN_DAY;
106
107		if (endTime < startTime) {
108			return nowTime > startTime || nowTime < endTime;
109		} else {
110			return nowTime > startTime && nowTime < endTime;
111		}
112	}
113
114	public boolean conferenceNotificationsEnabled() {
115		return mXmppConnectionService.getPreferences().getBoolean("always_notify_in_conference", false);
116	}
117
118	@SuppressLint("NewApi")
119	@SuppressWarnings("deprecation")
120	private boolean isInteractive() {
121		final PowerManager pm = (PowerManager) mXmppConnectionService
122			.getSystemService(Context.POWER_SERVICE);
123
124		final boolean isScreenOn;
125		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
126			isScreenOn = pm.isScreenOn();
127		} else {
128			isScreenOn = pm.isInteractive();
129		}
130
131		return isScreenOn;
132	}
133
134	public void push(final Message message) {
135		mXmppConnectionService.updateUnreadCountBadge();
136		if (!notify(message)) {
137			return;
138		}
139
140		final boolean isScreenOn = isInteractive();
141
142		if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) {
143			return;
144		}
145
146		synchronized (notifications) {
147			final String conversationUuid = message.getConversationUuid();
148			if (notifications.containsKey(conversationUuid)) {
149				notifications.get(conversationUuid).add(message);
150			} else {
151				final ArrayList<Message> mList = new ArrayList<>();
152				mList.add(message);
153				notifications.put(conversationUuid, mList);
154			}
155			final Account account = message.getConversation().getAccount();
156			final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
157				&& !account.inGracePeriod()
158				&& !this.inMiniGracePeriod(account);
159			updateNotification(doNotify);
160			if (doNotify) {
161				notifyPebble(message);
162			}
163		}
164	}
165
166	public void clear() {
167		synchronized (notifications) {
168			notifications.clear();
169			updateNotification(false);
170		}
171	}
172
173	public void clear(final Conversation conversation) {
174		synchronized (notifications) {
175			notifications.remove(conversation.getUuid());
176			updateNotification(false);
177		}
178	}
179
180	private void setNotificationColor(final Builder mBuilder) {
181		mBuilder.setColor(mXmppConnectionService.getResources().getColor(R.color.green500));
182	}
183
184	private void updateNotification(final boolean notify) {
185		final NotificationManager notificationManager = (NotificationManager) mXmppConnectionService
186			.getSystemService(Context.NOTIFICATION_SERVICE);
187		final SharedPreferences preferences = mXmppConnectionService.getPreferences();
188
189		final String ringtone = preferences.getString("notification_ringtone", null);
190		final boolean vibrate = preferences.getBoolean("vibrate_on_notification", true);
191
192		if (notifications.size() == 0) {
193			notificationManager.cancel(NOTIFICATION_ID);
194		} else {
195			if (notify) {
196				this.markLastNotification();
197			}
198			final Builder mBuilder;
199			if (notifications.size() == 1) {
200				mBuilder = buildSingleConversations(notify);
201			} else {
202				mBuilder = buildMultipleConversation();
203			}
204			if (notify && !isQuietHours()) {
205				if (vibrate) {
206					final int dat = 70;
207					final long[] pattern = {0, 3 * dat, dat, dat};
208					mBuilder.setVibrate(pattern);
209				}
210				if (ringtone != null) {
211					mBuilder.setSound(Uri.parse(ringtone));
212				}
213			}
214			if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
215				mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
216			}
217			setNotificationColor(mBuilder);
218			mBuilder.setDefaults(0);
219			mBuilder.setSmallIcon(R.drawable.ic_notification);
220			mBuilder.setDeleteIntent(createDeleteIntent());
221			mBuilder.setLights(0xff00FF00, 2000, 3000);
222			final Notification notification = mBuilder.build();
223			notificationManager.notify(NOTIFICATION_ID, notification);
224		}
225	}
226
227	private Builder buildMultipleConversation() {
228		final Builder mBuilder = new NotificationCompat.Builder(
229				mXmppConnectionService);
230		final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
231		style.setBigContentTitle(notifications.size()
232				+ " "
233				+ mXmppConnectionService
234				.getString(R.string.unread_conversations));
235		final StringBuilder names = new StringBuilder();
236		Conversation conversation = null;
237		for (final ArrayList<Message> messages : notifications.values()) {
238			if (messages.size() > 0) {
239				conversation = messages.get(0).getConversation();
240				final String name = conversation.getName();
241				style.addLine(Html.fromHtml("<b>" + name + "</b> "
242							+ UIHelper.getMessagePreview(mXmppConnectionService,messages.get(0)).first));
243				names.append(name);
244				names.append(", ");
245			}
246		}
247		if (names.length() >= 2) {
248			names.delete(names.length() - 2, names.length());
249		}
250		mBuilder.setContentTitle(notifications.size()
251				+ " "
252				+ mXmppConnectionService
253				.getString(R.string.unread_conversations));
254		mBuilder.setContentText(names.toString());
255		mBuilder.setStyle(style);
256		if (conversation != null) {
257			mBuilder.setContentIntent(createContentIntent(conversation));
258		}
259		return mBuilder;
260	}
261
262	private Builder buildSingleConversations(final boolean notify) {
263		final Builder mBuilder = new NotificationCompat.Builder(
264				mXmppConnectionService);
265		final ArrayList<Message> messages = notifications.values().iterator().next();
266		if (messages.size() >= 1) {
267			final Conversation conversation = messages.get(0).getConversation();
268			mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
269					.get(conversation, getPixel(64)));
270			mBuilder.setContentTitle(conversation.getName());
271			Message message;
272			if ((message = getImage(messages)) != null) {
273				modifyForImage(mBuilder, message, messages, notify);
274			} else {
275				modifyForTextOnly(mBuilder, messages, notify);
276			}
277			if ((message = getFirstDownloadableMessage(messages)) != null) {
278				mBuilder.addAction(
279						Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ?
280								R.drawable.ic_file_download_white_24dp : R.drawable.ic_action_download,
281						mXmppConnectionService.getResources().getString(R.string.download_x_file,
282							UIHelper.getFileDescriptionString(mXmppConnectionService, message)),
283						createDownloadIntent(message)
284						);
285			}
286			if ((message = getFirstLocationMessage(messages)) != null) {
287				mBuilder.addAction(R.drawable.ic_room_white_24dp,
288						mXmppConnectionService.getString(R.string.show_location),
289						createShowLocationIntent(message));
290			}
291			mBuilder.setContentIntent(createContentIntent(conversation));
292		}
293		return mBuilder;
294	}
295
296	private void modifyForImage(final Builder builder, final Message message,
297			final ArrayList<Message> messages, final boolean notify) {
298		try {
299			final Bitmap bitmap = mXmppConnectionService.getFileBackend()
300				.getThumbnail(message, getPixel(288), false);
301			final ArrayList<Message> tmp = new ArrayList<>();
302			for (final Message msg : messages) {
303				if (msg.getType() == Message.TYPE_TEXT
304						&& msg.getTransferable() == null) {
305					tmp.add(msg);
306						}
307			}
308			final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
309			bigPictureStyle.bigPicture(bitmap);
310			if (tmp.size() > 0) {
311				bigPictureStyle.setSummaryText(getMergedBodies(tmp));
312				builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService,tmp.get(0)).first);
313			} else {
314				builder.setContentText(mXmppConnectionService.getString(
315						R.string.received_x_file,
316						UIHelper.getFileDescriptionString(mXmppConnectionService,message)));
317			}
318			builder.setStyle(bigPictureStyle);
319		} catch (final FileNotFoundException e) {
320			modifyForTextOnly(builder, messages, notify);
321		}
322	}
323
324	private void modifyForTextOnly(final Builder builder,
325			final ArrayList<Message> messages, final boolean notify) {
326		builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
327		builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(0)).first);
328		if (notify) {
329			builder.setTicker(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(messages.size() - 1)).first);
330		}
331	}
332
333	private Message getImage(final Iterable<Message> messages) {
334		for (final Message message : messages) {
335			if (message.getType() == Message.TYPE_IMAGE
336					&& message.getTransferable() == null
337					&& message.getEncryption() != Message.ENCRYPTION_PGP) {
338				return message;
339					}
340		}
341		return null;
342	}
343
344	private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
345		for (final Message message : messages) {
346			if ((message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) &&
347					message.getTransferable() != null) {
348				return message;
349			}
350		}
351		return null;
352	}
353
354	private Message getFirstLocationMessage(final Iterable<Message> messages) {
355		for(final Message message : messages) {
356			if (GeoHelper.isGeoUri(message.getBody())) {
357				return message;
358			}
359		}
360		return null;
361	}
362
363	private CharSequence getMergedBodies(final ArrayList<Message> messages) {
364		final StringBuilder text = new StringBuilder();
365		for (int i = 0; i < messages.size(); ++i) {
366			text.append(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(i)).first);
367			if (i != messages.size() - 1) {
368				text.append("\n");
369			}
370		}
371		return text.toString();
372	}
373
374	private PendingIntent createShowLocationIntent(final Message message) {
375		Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(message);
376		for(Intent intent : intents) {
377			if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
378				return PendingIntent.getActivity(mXmppConnectionService,18,intent,PendingIntent.FLAG_UPDATE_CURRENT);
379			}
380		}
381		return createOpenConversationsIntent();
382	}
383
384	private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
385		final TaskStackBuilder stackBuilder = TaskStackBuilder
386			.create(mXmppConnectionService);
387		stackBuilder.addParentStack(ConversationActivity.class);
388
389		final Intent viewConversationIntent = new Intent(mXmppConnectionService,
390				ConversationActivity.class);
391		if (downloadMessageUuid != null) {
392			viewConversationIntent.setAction(ConversationActivity.ACTION_DOWNLOAD);
393		} else {
394			viewConversationIntent.setAction(Intent.ACTION_VIEW);
395		}
396		if (conversationUuid != null) {
397			viewConversationIntent.putExtra(ConversationActivity.CONVERSATION, conversationUuid);
398			viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
399		}
400		if (downloadMessageUuid != null) {
401			viewConversationIntent.putExtra(ConversationActivity.MESSAGE, downloadMessageUuid);
402		}
403
404		stackBuilder.addNextIntent(viewConversationIntent);
405
406		return stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
407	}
408
409	private PendingIntent createDownloadIntent(final Message message) {
410		return createContentIntent(message.getConversationUuid(), message.getUuid());
411	}
412
413	private PendingIntent createContentIntent(final Conversation conversation) {
414		return createContentIntent(conversation.getUuid(), null);
415	}
416
417	private PendingIntent createDeleteIntent() {
418		final Intent intent = new Intent(mXmppConnectionService,
419				XmppConnectionService.class);
420		intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
421		return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
422	}
423
424	private PendingIntent createDisableForeground() {
425		final Intent intent = new Intent(mXmppConnectionService,
426				XmppConnectionService.class);
427		intent.setAction(XmppConnectionService.ACTION_DISABLE_FOREGROUND);
428		return PendingIntent.getService(mXmppConnectionService, 34, intent, 0);
429	}
430
431	private PendingIntent createTryAgainIntent() {
432		final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
433		intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
434		return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
435	}
436
437	private PendingIntent createDisableAccountIntent(final Account account) {
438		final Intent intent = new Intent(mXmppConnectionService,XmppConnectionService.class);
439		intent.setAction(XmppConnectionService.ACTION_DISABLE_ACCOUNT);
440		intent.putExtra("account",account.getJid().toBareJid().toString());
441		return PendingIntent.getService(mXmppConnectionService,0,intent,PendingIntent.FLAG_UPDATE_CURRENT);
442	}
443
444	private boolean wasHighlightedOrPrivate(final Message message) {
445		final String nick = message.getConversation().getMucOptions().getActualNick();
446		final Pattern highlight = generateNickHighlightPattern(nick);
447		if (message.getBody() == null || nick == null) {
448			return false;
449		}
450		final Matcher m = highlight.matcher(message.getBody());
451		return (m.find() || message.getType() == Message.TYPE_PRIVATE);
452	}
453
454	private static Pattern generateNickHighlightPattern(final String nick) {
455		// We expect a word boundary, i.e. space or start of string, followed by
456		// the
457		// nick (matched in case-insensitive manner), followed by optional
458		// punctuation (for example "bob: i disagree" or "how are you alice?"),
459		// followed by another word boundary.
460		return Pattern.compile("\\b" + Pattern.quote(nick) + "\\p{Punct}?\\b",
461				Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
462	}
463
464	public void setOpenConversation(final Conversation conversation) {
465		this.mOpenConversation = conversation;
466	}
467
468	public void setIsInForeground(final boolean foreground) {
469		this.mIsInForeground = foreground;
470	}
471
472	private int getPixel(final int dp) {
473		final DisplayMetrics metrics = mXmppConnectionService.getResources()
474			.getDisplayMetrics();
475		return ((int) (dp * metrics.density));
476	}
477
478	private void markLastNotification() {
479		this.mLastNotification = SystemClock.elapsedRealtime();
480	}
481
482	private boolean inMiniGracePeriod(final Account account) {
483		final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
484			: Config.MINI_GRACE_PERIOD * 2;
485		return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
486	}
487
488	public Notification createForegroundNotification() {
489		final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
490
491		mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.conversations_foreground_service));
492		mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_open_conversations));
493		mBuilder.setContentIntent(createOpenConversationsIntent());
494		mBuilder.setWhen(0);
495		mBuilder.setPriority(NotificationCompat.PRIORITY_MIN);
496		final int cancelIcon;
497		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
498			mBuilder.setCategory(Notification.CATEGORY_SERVICE);
499			mBuilder.setSmallIcon(R.drawable.ic_import_export_white_24dp);
500			cancelIcon = R.drawable.ic_cancel_white_24dp;
501		} else {
502			mBuilder.setSmallIcon(R.drawable.ic_stat_communication_import_export);
503			cancelIcon = R.drawable.ic_action_cancel;
504		}
505		mBuilder.addAction(cancelIcon,
506				mXmppConnectionService.getString(R.string.disable_foreground_service),
507				createDisableForeground());
508		setNotificationColor(mBuilder);
509		return mBuilder.build();
510	}
511
512	private PendingIntent createOpenConversationsIntent() {
513		return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService,ConversationActivity.class),0);
514	}
515
516	public void updateErrorNotification() {
517		final NotificationManager mNotificationManager = (NotificationManager) mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
518		final List<Account> errors = new ArrayList<>();
519		for (final Account account : mXmppConnectionService.getAccounts()) {
520			if (account.hasErrorStatus()) {
521				errors.add(account);
522			}
523		}
524		final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
525		if (errors.size() == 0) {
526			mNotificationManager.cancel(ERROR_NOTIFICATION_ID);
527			return;
528		} else if (errors.size() == 1) {
529			mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
530			mBuilder.setContentText(errors.get(0).getJid().toBareJid().toString());
531		} else {
532			mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
533			mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
534		}
535		mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
536				mXmppConnectionService.getString(R.string.try_again),
537				createTryAgainIntent());
538		if (errors.size() == 1) {
539			mBuilder.addAction(R.drawable.ic_block_white_24dp,
540					mXmppConnectionService.getString(R.string.disable_account),
541					createDisableAccountIntent(errors.get(0)));
542		}
543		mBuilder.setOngoing(true);
544		//mBuilder.setLights(0xffffffff, 2000, 4000);
545		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
546			mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
547		} else {
548			mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
549		}
550		final TaskStackBuilder stackBuilder = TaskStackBuilder.create(mXmppConnectionService);
551		stackBuilder.addParentStack(ConversationActivity.class);
552
553		final Intent manageAccountsIntent = new Intent(mXmppConnectionService,ManageAccountActivity.class);
554		stackBuilder.addNextIntent(manageAccountsIntent);
555
556		final PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,PendingIntent.FLAG_UPDATE_CURRENT);
557
558		mBuilder.setContentIntent(resultPendingIntent);
559		mNotificationManager.notify(ERROR_NOTIFICATION_ID, mBuilder.build());
560	}
561}