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