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;
 21import android.util.Log;
 22
 23import org.json.JSONArray;
 24import org.json.JSONObject;
 25
 26import java.io.FileNotFoundException;
 27import java.util.ArrayList;
 28import java.util.Calendar;
 29import java.util.HashMap;
 30import java.util.LinkedHashMap;
 31import java.util.List;
 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.Conversation;
 39import eu.siacs.conversations.entities.Message;
 40import eu.siacs.conversations.ui.ConversationActivity;
 41import eu.siacs.conversations.ui.ManageAccountActivity;
 42import eu.siacs.conversations.ui.TimePreference;
 43import eu.siacs.conversations.utils.GeoHelper;
 44import eu.siacs.conversations.utils.UIHelper;
 45import eu.siacs.conversations.xmpp.XmppConnection;
 46
 47public class NotificationService {
 48
 49	private final XmppConnectionService mXmppConnectionService;
 50
 51	private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
 52
 53	public static final int NOTIFICATION_ID = 0x2342;
 54	public static final int FOREGROUND_NOTIFICATION_ID = 0x8899;
 55	public static final int ERROR_NOTIFICATION_ID = 0x5678;
 56
 57	private Conversation mOpenConversation;
 58	private boolean mIsInForeground;
 59	private long mLastNotification;
 60
 61	public NotificationService(final XmppConnectionService service) {
 62		this.mXmppConnectionService = service;
 63	}
 64
 65	public boolean notify(final Message message) {
 66		return (message.getStatus() == Message.STATUS_RECEIVED)
 67			&& notificationsEnabled()
 68			&& !message.getConversation().isMuted()
 69			&& (message.getConversation().getMode() == Conversation.MODE_SINGLE
 70					|| conferenceNotificationsEnabled()
 71					|| wasHighlightedOrPrivate(message)
 72				 );
 73	}
 74
 75	public void notifyPebble(final Message message) {
 76		final Intent i = new Intent("com.getpebble.action.SEND_NOTIFICATION");
 77
 78		final Conversation conversation = message.getConversation();
 79		final JSONObject jsonData = new JSONObject(new HashMap<String, String>(2) {{
 80			put("title", conversation.getName());
 81			put("body", message.getBody());
 82		}});
 83		final String notificationData = new JSONArray().put(jsonData).toString();
 84
 85		i.putExtra("messageType", "PEBBLE_ALERT");
 86		i.putExtra("sender", "Conversations"); /* XXX: Shouldn't be hardcoded, e.g., AbstractGenerator.APP_NAME); */
 87		i.putExtra("notificationData", notificationData);
 88		// notify Pebble App
 89		i.setPackage("com.getpebble.android");
 90		mXmppConnectionService.sendBroadcast(i);
 91		// notify Gadgetbridge
 92		i.setPackage("nodomain.freeyourgadget.gadgetbridge");
 93		mXmppConnectionService.sendBroadcast(i);
 94	}
 95
 96
 97	public boolean notificationsEnabled() {
 98		return mXmppConnectionService.getPreferences().getBoolean("show_notification", true);
 99	}
100
101	public boolean isQuietHours() {
102		if (!mXmppConnectionService.getPreferences().getBoolean("enable_quiet_hours", false)) {
103			return false;
104		}
105		final long startTime = mXmppConnectionService.getPreferences().getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
106		final long endTime = mXmppConnectionService.getPreferences().getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE) % Config.MILLISECONDS_IN_DAY;
107		final long nowTime = Calendar.getInstance().getTimeInMillis() % Config.MILLISECONDS_IN_DAY;
108
109		if (endTime < startTime) {
110			return nowTime > startTime || nowTime < endTime;
111		} else {
112			return nowTime > startTime && nowTime < endTime;
113		}
114	}
115
116	public boolean conferenceNotificationsEnabled() {
117		return mXmppConnectionService.getPreferences().getBoolean("always_notify_in_conference", false);
118	}
119
120	@SuppressLint("NewApi")
121	@SuppressWarnings("deprecation")
122	private boolean isInteractive() {
123		final PowerManager pm = (PowerManager) mXmppConnectionService
124			.getSystemService(Context.POWER_SERVICE);
125
126		final boolean isScreenOn;
127		if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
128			isScreenOn = pm.isScreenOn();
129		} else {
130			isScreenOn = pm.isInteractive();
131		}
132
133		return isScreenOn;
134	}
135
136	public void push(final Message message) {
137		mXmppConnectionService.updateUnreadCountBadge();
138		if (!notify(message)) {
139			return;
140		}
141
142		final boolean isScreenOn = isInteractive();
143
144		if (this.mIsInForeground && isScreenOn && this.mOpenConversation == message.getConversation()) {
145			return;
146		}
147
148		synchronized (notifications) {
149			final String conversationUuid = message.getConversationUuid();
150			if (notifications.containsKey(conversationUuid)) {
151				notifications.get(conversationUuid).add(message);
152			} else {
153				final ArrayList<Message> mList = new ArrayList<>();
154				mList.add(message);
155				notifications.put(conversationUuid, mList);
156			}
157			final Account account = message.getConversation().getAccount();
158			final boolean doNotify = (!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
159				&& !account.inGracePeriod()
160				&& !this.inMiniGracePeriod(account);
161			updateNotification(doNotify);
162			if (doNotify) {
163				notifyPebble(message);
164			}
165		}
166	}
167
168	public void clear() {
169		synchronized (notifications) {
170			notifications.clear();
171			updateNotification(false);
172		}
173	}
174
175	public void clear(final Conversation conversation) {
176		synchronized (notifications) {
177			notifications.remove(conversation.getUuid());
178			updateNotification(false);
179		}
180	}
181
182	private void setNotificationColor(final Builder mBuilder) {
183		mBuilder.setColor(mXmppConnectionService.getResources().getColor(R.color.primary));
184	}
185
186	private void updateNotification(final boolean notify) {
187		final NotificationManager notificationManager = (NotificationManager) mXmppConnectionService
188			.getSystemService(Context.NOTIFICATION_SERVICE);
189		final SharedPreferences preferences = mXmppConnectionService.getPreferences();
190
191		final String ringtone = preferences.getString("notification_ringtone", null);
192		final boolean vibrate = preferences.getBoolean("vibrate_on_notification", true);
193
194		if (notifications.size() == 0) {
195			notificationManager.cancel(NOTIFICATION_ID);
196		} else {
197			if (notify) {
198				this.markLastNotification();
199			}
200			final Builder mBuilder;
201			if (notifications.size() == 1) {
202				mBuilder = buildSingleConversations(notify);
203			} else {
204				mBuilder = buildMultipleConversation();
205			}
206			if (notify && !isQuietHours()) {
207				if (vibrate) {
208					final int dat = 70;
209					final long[] pattern = {0, 3 * dat, dat, dat};
210					mBuilder.setVibrate(pattern);
211				}
212				if (ringtone != null) {
213					mBuilder.setSound(Uri.parse(ringtone));
214				}
215			}
216			if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
217				mBuilder.setCategory(Notification.CATEGORY_MESSAGE);
218			}
219			setNotificationColor(mBuilder);
220			mBuilder.setDefaults(0);
221			mBuilder.setSmallIcon(R.drawable.ic_notification);
222			mBuilder.setDeleteIntent(createDeleteIntent());
223			mBuilder.setLights(0xff00FF00, 2000, 3000);
224			final Notification notification = mBuilder.build();
225			notificationManager.notify(NOTIFICATION_ID, notification);
226		}
227	}
228
229	private Builder buildMultipleConversation() {
230		final Builder mBuilder = new NotificationCompat.Builder(
231				mXmppConnectionService);
232		final NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
233		style.setBigContentTitle(notifications.size()
234				+ " "
235				+ mXmppConnectionService
236				.getString(R.string.unread_conversations));
237		final StringBuilder names = new StringBuilder();
238		Conversation conversation = null;
239		for (final ArrayList<Message> messages : notifications.values()) {
240			if (messages.size() > 0) {
241				conversation = messages.get(0).getConversation();
242				final String name = conversation.getName();
243				style.addLine(Html.fromHtml("<b>" + name + "</b> "
244							+ UIHelper.getMessagePreview(mXmppConnectionService,messages.get(0)).first));
245				names.append(name);
246				names.append(", ");
247			}
248		}
249		if (names.length() >= 2) {
250			names.delete(names.length() - 2, names.length());
251		}
252		mBuilder.setContentTitle(notifications.size()
253				+ " "
254				+ mXmppConnectionService
255				.getString(R.string.unread_conversations));
256		mBuilder.setContentText(names.toString());
257		mBuilder.setStyle(style);
258		if (conversation != null) {
259			mBuilder.setContentIntent(createContentIntent(conversation));
260		}
261		return mBuilder;
262	}
263
264	private Builder buildSingleConversations(final boolean notify) {
265		final Builder mBuilder = new NotificationCompat.Builder(
266				mXmppConnectionService);
267		final ArrayList<Message> messages = notifications.values().iterator().next();
268		if (messages.size() >= 1) {
269			final Conversation conversation = messages.get(0).getConversation();
270			mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
271					.get(conversation, getPixel(64)));
272			mBuilder.setContentTitle(conversation.getName());
273			Message message;
274			if ((message = getImage(messages)) != null) {
275				modifyForImage(mBuilder, message, messages, notify);
276			} else {
277				modifyForTextOnly(mBuilder, messages, notify);
278			}
279			if ((message = getFirstDownloadableMessage(messages)) != null) {
280				mBuilder.addAction(
281						Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP ?
282								R.drawable.ic_file_download_white_24dp : R.drawable.ic_action_download,
283						mXmppConnectionService.getResources().getString(R.string.download_x_file,
284							UIHelper.getFileDescriptionString(mXmppConnectionService, message)),
285						createDownloadIntent(message)
286						);
287			}
288			if ((message = getFirstLocationMessage(messages)) != null) {
289				mBuilder.addAction(R.drawable.ic_room_white_24dp,
290						mXmppConnectionService.getString(R.string.show_location),
291						createShowLocationIntent(message));
292			}
293			mBuilder.setContentIntent(createContentIntent(conversation));
294		}
295		return mBuilder;
296	}
297
298	private void modifyForImage(final Builder builder, final Message message,
299			final ArrayList<Message> messages, final boolean notify) {
300		try {
301			final Bitmap bitmap = mXmppConnectionService.getFileBackend()
302				.getThumbnail(message, getPixel(288), false);
303			final ArrayList<Message> tmp = new ArrayList<>();
304			for (final Message msg : messages) {
305				if (msg.getType() == Message.TYPE_TEXT
306						&& msg.getDownloadable() == null) {
307					tmp.add(msg);
308						}
309			}
310			final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
311			bigPictureStyle.bigPicture(bitmap);
312			if (tmp.size() > 0) {
313				bigPictureStyle.setSummaryText(getMergedBodies(tmp));
314				builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService,tmp.get(0)).first);
315			} else {
316				builder.setContentText(mXmppConnectionService.getString(
317						R.string.received_x_file,
318						UIHelper.getFileDescriptionString(mXmppConnectionService,message)));
319			}
320			builder.setStyle(bigPictureStyle);
321		} catch (final FileNotFoundException e) {
322			modifyForTextOnly(builder, messages, notify);
323		}
324	}
325
326	private void modifyForTextOnly(final Builder builder,
327			final ArrayList<Message> messages, final boolean notify) {
328		builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
329		builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(0)).first);
330		if (notify) {
331			builder.setTicker(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(messages.size() - 1)).first);
332		}
333	}
334
335	private Message getImage(final Iterable<Message> messages) {
336		for (final Message message : messages) {
337			if (message.getType() == Message.TYPE_IMAGE
338					&& message.getDownloadable() == null
339					&& message.getEncryption() != Message.ENCRYPTION_PGP) {
340				return message;
341					}
342		}
343		return null;
344	}
345
346	private Message getFirstDownloadableMessage(final Iterable<Message> messages) {
347		for (final Message message : messages) {
348			if ((message.getType() == Message.TYPE_FILE || message.getType() == Message.TYPE_IMAGE) &&
349					message.getDownloadable() != null) {
350				return message;
351			}
352		}
353		return null;
354	}
355
356	private Message getFirstLocationMessage(final Iterable<Message> messages) {
357		for(final Message message : messages) {
358			if (GeoHelper.isGeoUri(message.getBody())) {
359				return message;
360			}
361		}
362		return null;
363	}
364
365	private CharSequence getMergedBodies(final ArrayList<Message> messages) {
366		final StringBuilder text = new StringBuilder();
367		for (int i = 0; i < messages.size(); ++i) {
368			text.append(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(i)).first);
369			if (i != messages.size() - 1) {
370				text.append("\n");
371			}
372		}
373		return text.toString();
374	}
375
376	private PendingIntent createShowLocationIntent(final Message message) {
377		Iterable<Intent> intents = GeoHelper.createGeoIntentsFromMessage(message);
378		for(Intent intent : intents) {
379			if (intent.resolveActivity(mXmppConnectionService.getPackageManager()) != null) {
380				return PendingIntent.getActivity(mXmppConnectionService,18,intent,PendingIntent.FLAG_UPDATE_CURRENT);
381			}
382		}
383		return createOpenConversationsIntent();
384	}
385
386	private PendingIntent createContentIntent(final String conversationUuid, final String downloadMessageUuid) {
387		final TaskStackBuilder stackBuilder = TaskStackBuilder
388			.create(mXmppConnectionService);
389		stackBuilder.addParentStack(ConversationActivity.class);
390
391		final Intent viewConversationIntent = new Intent(mXmppConnectionService,
392				ConversationActivity.class);
393		if (downloadMessageUuid != null) {
394			viewConversationIntent.setAction(ConversationActivity.ACTION_DOWNLOAD);
395		} else {
396			viewConversationIntent.setAction(Intent.ACTION_VIEW);
397		}
398		if (conversationUuid != null) {
399			viewConversationIntent.putExtra(ConversationActivity.CONVERSATION, conversationUuid);
400			viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
401		}
402		if (downloadMessageUuid != null) {
403			viewConversationIntent.putExtra(ConversationActivity.MESSAGE, downloadMessageUuid);
404		}
405
406		stackBuilder.addNextIntent(viewConversationIntent);
407
408		return stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
409	}
410
411	private PendingIntent createDownloadIntent(final Message message) {
412		return createContentIntent(message.getConversationUuid(), message.getUuid());
413	}
414
415	private PendingIntent createContentIntent(final Conversation conversation) {
416		return createContentIntent(conversation.getUuid(), null);
417	}
418
419	private PendingIntent createDeleteIntent() {
420		final Intent intent = new Intent(mXmppConnectionService,
421				XmppConnectionService.class);
422		intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
423		return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
424	}
425
426	private PendingIntent createDisableForeground() {
427		final Intent intent = new Intent(mXmppConnectionService,
428				XmppConnectionService.class);
429		intent.setAction(XmppConnectionService.ACTION_DISABLE_FOREGROUND);
430		return PendingIntent.getService(mXmppConnectionService, 34, intent, 0);
431	}
432
433	private PendingIntent createTryAgainIntent() {
434		final Intent intent = new Intent(mXmppConnectionService, XmppConnectionService.class);
435		intent.setAction(XmppConnectionService.ACTION_TRY_AGAIN);
436		return PendingIntent.getService(mXmppConnectionService, 45, intent, 0);
437	}
438
439	private PendingIntent createDisableAccountIntent(final Account account) {
440		final Intent intent = new Intent(mXmppConnectionService,XmppConnectionService.class);
441		intent.setAction(XmppConnectionService.ACTION_DISABLE_ACCOUNT);
442		intent.putExtra("account",account.getJid().toBareJid().toString());
443		return PendingIntent.getService(mXmppConnectionService,0,intent,PendingIntent.FLAG_UPDATE_CURRENT);
444	}
445
446	private boolean wasHighlightedOrPrivate(final Message message) {
447		final String nick = message.getConversation().getMucOptions().getActualNick();
448		final Pattern highlight = generateNickHighlightPattern(nick);
449		if (message.getBody() == null || nick == null) {
450			return false;
451		}
452		final Matcher m = highlight.matcher(message.getBody());
453		return (m.find() || message.getType() == Message.TYPE_PRIVATE);
454	}
455
456	private static Pattern generateNickHighlightPattern(final String nick) {
457		// We expect a word boundary, i.e. space or start of string, followed by
458		// the
459		// nick (matched in case-insensitive manner), followed by optional
460		// punctuation (for example "bob: i disagree" or "how are you alice?"),
461		// followed by another word boundary.
462		return Pattern.compile("\\b" + Pattern.quote(nick) + "\\p{Punct}?\\b",
463				Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
464	}
465
466	public void setOpenConversation(final Conversation conversation) {
467		this.mOpenConversation = conversation;
468	}
469
470	public void setIsInForeground(final boolean foreground) {
471		this.mIsInForeground = foreground;
472	}
473
474	private int getPixel(final int dp) {
475		final DisplayMetrics metrics = mXmppConnectionService.getResources()
476			.getDisplayMetrics();
477		return ((int) (dp * metrics.density));
478	}
479
480	private void markLastNotification() {
481		this.mLastNotification = SystemClock.elapsedRealtime();
482	}
483
484	private boolean inMiniGracePeriod(final Account account) {
485		final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
486			: Config.MINI_GRACE_PERIOD * 2;
487		return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
488	}
489
490	public Notification createForegroundNotification() {
491		final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
492
493		mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.conversations_foreground_service));
494		mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_open_conversations));
495		mBuilder.setContentIntent(createOpenConversationsIntent());
496		mBuilder.setWhen(0);
497		mBuilder.setPriority(NotificationCompat.PRIORITY_MIN);
498		final int cancelIcon;
499		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
500			mBuilder.setCategory(Notification.CATEGORY_SERVICE);
501			mBuilder.setSmallIcon(R.drawable.ic_import_export_white_24dp);
502			cancelIcon = R.drawable.ic_cancel_white_24dp;
503		} else {
504			mBuilder.setSmallIcon(R.drawable.ic_stat_communication_import_export);
505			cancelIcon = R.drawable.ic_action_cancel;
506		}
507		mBuilder.addAction(cancelIcon,
508				mXmppConnectionService.getString(R.string.disable_foreground_service),
509				createDisableForeground());
510		setNotificationColor(mBuilder);
511		return mBuilder.build();
512	}
513
514	private PendingIntent createOpenConversationsIntent() {
515		return PendingIntent.getActivity(mXmppConnectionService, 0, new Intent(mXmppConnectionService,ConversationActivity.class),0);
516	}
517
518	public void updateErrorNotification() {
519		final NotificationManager mNotificationManager = (NotificationManager) mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
520		final List<Account> errors = new ArrayList<>();
521		for (final Account account : mXmppConnectionService.getAccounts()) {
522			if (account.hasErrorStatus()) {
523				errors.add(account);
524			}
525		}
526		final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
527		if (errors.size() == 0) {
528			mNotificationManager.cancel(ERROR_NOTIFICATION_ID);
529			return;
530		} else if (errors.size() == 1) {
531			mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
532			mBuilder.setContentText(errors.get(0).getJid().toBareJid().toString());
533		} else {
534			mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
535			mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
536		}
537		mBuilder.addAction(R.drawable.ic_autorenew_white_24dp,
538				mXmppConnectionService.getString(R.string.try_again),
539				createTryAgainIntent());
540		if (errors.size() == 1) {
541			mBuilder.addAction(R.drawable.ic_block_white_24dp,
542					mXmppConnectionService.getString(R.string.disable_account),
543					createDisableAccountIntent(errors.get(0)));
544		}
545		mBuilder.setOngoing(true);
546		//mBuilder.setLights(0xffffffff, 2000, 4000);
547		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
548			mBuilder.setSmallIcon(R.drawable.ic_warning_white_24dp);
549		} else {
550			mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
551		}
552		final TaskStackBuilder stackBuilder = TaskStackBuilder.create(mXmppConnectionService);
553		stackBuilder.addParentStack(ConversationActivity.class);
554
555		final Intent manageAccountsIntent = new Intent(mXmppConnectionService,ManageAccountActivity.class);
556		stackBuilder.addNextIntent(manageAccountsIntent);
557
558		final PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,PendingIntent.FLAG_UPDATE_CURRENT);
559
560		mBuilder.setContentIntent(resultPendingIntent);
561		mNotificationManager.notify(ERROR_NOTIFICATION_ID, mBuilder.build());
562	}
563}