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