1package eu.siacs.conversations.services;
2
3import android.app.Notification;
4import android.app.NotificationManager;
5import android.app.PendingIntent;
6import android.content.Context;
7import android.content.Intent;
8import android.content.SharedPreferences;
9import android.graphics.Bitmap;
10import android.net.Uri;
11import android.os.PowerManager;
12import android.os.SystemClock;
13import android.support.v4.app.NotificationCompat;
14import android.support.v4.app.NotificationCompat.BigPictureStyle;
15import android.support.v4.app.NotificationCompat.Builder;
16import android.support.v4.app.TaskStackBuilder;
17import android.text.Html;
18import android.util.DisplayMetrics;
19
20import java.io.FileNotFoundException;
21import java.util.ArrayList;
22import java.util.Calendar;
23import java.util.LinkedHashMap;
24import java.util.List;
25import java.util.regex.Matcher;
26import java.util.regex.Pattern;
27
28import eu.siacs.conversations.Config;
29import eu.siacs.conversations.R;
30import eu.siacs.conversations.entities.Account;
31import eu.siacs.conversations.entities.Conversation;
32import eu.siacs.conversations.entities.Downloadable;
33import eu.siacs.conversations.entities.DownloadableFile;
34import eu.siacs.conversations.entities.Message;
35import eu.siacs.conversations.ui.ConversationActivity;
36import eu.siacs.conversations.ui.ManageAccountActivity;
37import eu.siacs.conversations.ui.TimePreference;
38
39public class NotificationService {
40
41 private XmppConnectionService mXmppConnectionService;
42
43 private final LinkedHashMap<String, ArrayList<Message>> notifications = new LinkedHashMap<>();
44
45 public static int NOTIFICATION_ID = 0x2342;
46 public static int FOREGROUND_NOTIFICATION_ID = 0x8899;
47 public static int ERROR_NOTIFICATION_ID = 0x5678;
48
49 private Conversation mOpenConversation;
50 private boolean mIsInForeground;
51 private long mLastNotification;
52
53 public NotificationService(XmppConnectionService service) {
54 this.mXmppConnectionService = service;
55 }
56
57 public boolean notify(Message message) {
58 return (message.getStatus() == Message.STATUS_RECEIVED)
59 && notificationsEnabled()
60 && !isQuietHours()
61 && !message.getConversation().isMuted()
62 && (message.getConversation().getMode() == Conversation.MODE_SINGLE
63 || conferenceNotificationsEnabled()
64 || wasHighlightedOrPrivate(message)
65 );
66 }
67
68 public boolean notificationsEnabled() {
69 return mXmppConnectionService.getPreferences().getBoolean("show_notification", true);
70 }
71
72 public boolean isQuietHours() {
73 if (!mXmppConnectionService.getPreferences().getBoolean("enable_quiet_hours", false)) {
74 return false;
75 }
76 final Calendar startTime = Calendar.getInstance();
77 startTime.setTimeInMillis(mXmppConnectionService.getPreferences().getLong("quiet_hours_start", TimePreference.DEFAULT_VALUE));
78 final Calendar endTime = Calendar.getInstance();
79 endTime.setTimeInMillis(mXmppConnectionService.getPreferences().getLong("quiet_hours_end", TimePreference.DEFAULT_VALUE));
80 final Calendar nowTime = Calendar.getInstance();
81
82 startTime.set(nowTime.get(Calendar.YEAR), nowTime.get(Calendar.MONTH), nowTime.get(Calendar.DATE));
83 endTime.set(nowTime.get(Calendar.YEAR), nowTime.get(Calendar.MONTH), nowTime.get(Calendar.DATE));
84
85 if (endTime.before(startTime)) {
86 endTime.add(Calendar.DATE, 1);
87 }
88
89 return nowTime.after(startTime) && nowTime.before(endTime);
90 }
91
92 public boolean conferenceNotificationsEnabled() {
93 return mXmppConnectionService.getPreferences().getBoolean("always_notify_in_conference", false);
94 }
95
96 public void push(Message message) {
97 if (!notify(message)) {
98 return;
99 }
100 PowerManager pm = (PowerManager) mXmppConnectionService
101 .getSystemService(Context.POWER_SERVICE);
102 boolean isScreenOn = pm.isScreenOn();
103
104 if (this.mIsInForeground && isScreenOn
105 && this.mOpenConversation == message.getConversation()) {
106 return;
107 }
108 synchronized (notifications) {
109 String conversationUuid = message.getConversationUuid();
110 if (notifications.containsKey(conversationUuid)) {
111 notifications.get(conversationUuid).add(message);
112 } else {
113 ArrayList<Message> mList = new ArrayList<>();
114 mList.add(message);
115 notifications.put(conversationUuid, mList);
116 }
117 Account account = message.getConversation().getAccount();
118 updateNotification((!(this.mIsInForeground && this.mOpenConversation == null) || !isScreenOn)
119 && !account.inGracePeriod()
120 && !this.inMiniGracePeriod(account));
121 }
122
123 }
124
125 public void clear() {
126 synchronized (notifications) {
127 notifications.clear();
128 updateNotification(false);
129 }
130 }
131
132 public void clear(Conversation conversation) {
133 synchronized (notifications) {
134 notifications.remove(conversation.getUuid());
135 updateNotification(false);
136 }
137 }
138
139 private void updateNotification(boolean notify) {
140 NotificationManager notificationManager = (NotificationManager) mXmppConnectionService
141 .getSystemService(Context.NOTIFICATION_SERVICE);
142 SharedPreferences preferences = mXmppConnectionService.getPreferences();
143
144 String ringtone = preferences.getString("notification_ringtone", null);
145 boolean vibrate = preferences.getBoolean("vibrate_on_notification",
146 true);
147
148 if (notifications.size() == 0) {
149 notificationManager.cancel(NOTIFICATION_ID);
150 } else {
151 if (notify) {
152 this.markLastNotification();
153 }
154 Builder mBuilder;
155 if (notifications.size() == 1) {
156 mBuilder = buildSingleConversations(notify);
157 } else {
158 mBuilder = buildMultipleConversation();
159 }
160 if (notify) {
161 if (vibrate) {
162 int dat = 70;
163 long[] pattern = {0, 3 * dat, dat, dat};
164 mBuilder.setVibrate(pattern);
165 }
166 if (ringtone != null) {
167 mBuilder.setSound(Uri.parse(ringtone));
168 }
169 }
170 mBuilder.setSmallIcon(R.drawable.ic_notification);
171 mBuilder.setDeleteIntent(createDeleteIntent());
172 mBuilder.setLights(0xffffffff, 2000, 4000);
173 Notification notification = mBuilder.build();
174 notificationManager.notify(NOTIFICATION_ID, notification);
175 }
176 }
177
178 private Builder buildMultipleConversation() {
179 Builder mBuilder = new NotificationCompat.Builder(
180 mXmppConnectionService);
181 NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
182 style.setBigContentTitle(notifications.size()
183 + " "
184 + mXmppConnectionService
185 .getString(R.string.unread_conversations));
186 StringBuilder names = new StringBuilder();
187 Conversation conversation = null;
188 for (ArrayList<Message> messages : notifications.values()) {
189 if (messages.size() > 0) {
190 conversation = messages.get(0).getConversation();
191 String name = conversation.getName();
192 style.addLine(Html.fromHtml("<b>" + name + "</b> "
193 + getReadableBody(messages.get(0))));
194 names.append(name);
195 names.append(", ");
196 }
197 }
198 if (names.length() >= 2) {
199 names.delete(names.length() - 2, names.length());
200 }
201 mBuilder.setContentTitle(notifications.size()
202 + " "
203 + mXmppConnectionService
204 .getString(R.string.unread_conversations));
205 mBuilder.setContentText(names.toString());
206 mBuilder.setStyle(style);
207 if (conversation != null) {
208 mBuilder.setContentIntent(createContentIntent(conversation
209 .getUuid()));
210 }
211 return mBuilder;
212 }
213
214 private Builder buildSingleConversations(boolean notify) {
215 Builder mBuilder = new NotificationCompat.Builder(
216 mXmppConnectionService);
217 ArrayList<Message> messages = notifications.values().iterator().next();
218 if (messages.size() >= 1) {
219 Conversation conversation = messages.get(0).getConversation();
220 mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
221 .get(conversation, getPixel(64)));
222 mBuilder.setContentTitle(conversation.getName());
223 Message message;
224 if ((message = getImage(messages)) != null) {
225 modifyForImage(mBuilder, message, messages, notify);
226 } else {
227 modifyForTextOnly(mBuilder, messages, notify);
228 }
229 mBuilder.setContentIntent(createContentIntent(conversation
230 .getUuid()));
231 }
232 return mBuilder;
233
234 }
235
236 private void modifyForImage(Builder builder, Message message,
237 ArrayList<Message> messages, boolean notify) {
238 try {
239 Bitmap bitmap = mXmppConnectionService.getFileBackend()
240 .getThumbnail(message, getPixel(288), false);
241 ArrayList<Message> tmp = new ArrayList<>();
242 for (Message msg : messages) {
243 if (msg.getType() == Message.TYPE_TEXT
244 && msg.getDownloadable() == null) {
245 tmp.add(msg);
246 }
247 }
248 BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
249 bigPictureStyle.bigPicture(bitmap);
250 if (tmp.size() > 0) {
251 bigPictureStyle.setSummaryText(getMergedBodies(tmp));
252 builder.setContentText(getReadableBody(tmp.get(0)));
253 } else {
254 builder.setContentText(mXmppConnectionService.getString(R.string.image_file));
255 }
256 builder.setStyle(bigPictureStyle);
257 } catch (FileNotFoundException e) {
258 modifyForTextOnly(builder, messages, notify);
259 }
260 }
261
262 private void modifyForTextOnly(Builder builder,
263 ArrayList<Message> messages, boolean notify) {
264 builder.setStyle(new NotificationCompat.BigTextStyle()
265 .bigText(getMergedBodies(messages)));
266 builder.setContentText(getReadableBody(messages.get(0)));
267 if (notify) {
268 builder.setTicker(getReadableBody(messages.get(messages.size() - 1)));
269 }
270 }
271
272 private Message getImage(ArrayList<Message> messages) {
273 for (Message message : messages) {
274 if (message.getType() == Message.TYPE_IMAGE
275 && message.getDownloadable() == null
276 && message.getEncryption() != Message.ENCRYPTION_PGP) {
277 return message;
278 }
279 }
280 return null;
281 }
282
283 private String getMergedBodies(ArrayList<Message> messages) {
284 StringBuilder text = new StringBuilder();
285 for (int i = 0; i < messages.size(); ++i) {
286 text.append(getReadableBody(messages.get(i)));
287 if (i != messages.size() - 1) {
288 text.append("\n");
289 }
290 }
291 return text.toString();
292 }
293
294 private String getReadableBody(Message message) {
295 if (message.getDownloadable() != null
296 && (message.getDownloadable().getStatus() == Downloadable.STATUS_OFFER || message
297 .getDownloadable().getStatus() == Downloadable.STATUS_OFFER_CHECK_FILESIZE)) {
298 if (message.getType() == Message.TYPE_FILE) {
299 return mXmppConnectionService.getString(R.string.file_offered_for_download);
300 } else {
301 return mXmppConnectionService.getText(
302 R.string.image_offered_for_download).toString();
303 }
304 } else if (message.getEncryption() == Message.ENCRYPTION_PGP) {
305 return mXmppConnectionService.getText(
306 R.string.encrypted_message_received).toString();
307 } else if (message.getEncryption() == Message.ENCRYPTION_DECRYPTION_FAILED) {
308 return mXmppConnectionService.getText(R.string.decryption_failed)
309 .toString();
310 } else if (message.getType() == Message.TYPE_FILE) {
311 DownloadableFile file = mXmppConnectionService.getFileBackend().getFile(message);
312 return mXmppConnectionService.getString(R.string.file,file.getMimeType());
313 } else if (message.getType() == Message.TYPE_IMAGE) {
314 return mXmppConnectionService.getText(R.string.image_file)
315 .toString();
316 } else {
317 return message.getBody().trim();
318 }
319 }
320
321 private PendingIntent createContentIntent(String conversationUuid) {
322 TaskStackBuilder stackBuilder = TaskStackBuilder
323 .create(mXmppConnectionService);
324 stackBuilder.addParentStack(ConversationActivity.class);
325
326 Intent viewConversationIntent = new Intent(mXmppConnectionService,
327 ConversationActivity.class);
328 viewConversationIntent.setAction(Intent.ACTION_VIEW);
329 if (conversationUuid!=null) {
330 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
331 conversationUuid);
332 viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
333 }
334
335 stackBuilder.addNextIntent(viewConversationIntent);
336
337 return stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
338 }
339
340 private PendingIntent createDeleteIntent() {
341 Intent intent = new Intent(mXmppConnectionService,
342 XmppConnectionService.class);
343 intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
344 return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
345 }
346
347 private PendingIntent createDisableForeground() {
348 Intent intent = new Intent(mXmppConnectionService,
349 XmppConnectionService.class);
350 intent.setAction(XmppConnectionService.ACTION_DISABLE_FOREGROUND);
351 return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
352 }
353
354 private boolean wasHighlightedOrPrivate(Message message) {
355 String nick = message.getConversation().getMucOptions().getActualNick();
356 Pattern highlight = generateNickHighlightPattern(nick);
357 if (message.getBody() == null || nick == null) {
358 return false;
359 }
360 Matcher m = highlight.matcher(message.getBody());
361 return (m.find() || message.getType() == Message.TYPE_PRIVATE);
362 }
363
364 private static Pattern generateNickHighlightPattern(String nick) {
365 // We expect a word boundary, i.e. space or start of string, followed by
366 // the
367 // nick (matched in case-insensitive manner), followed by optional
368 // punctuation (for example "bob: i disagree" or "how are you alice?"),
369 // followed by another word boundary.
370 return Pattern.compile("\\b" + nick + "\\p{Punct}?\\b",
371 Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
372 }
373
374 public void setOpenConversation(Conversation conversation) {
375 this.mOpenConversation = conversation;
376 }
377
378 public void setIsInForeground(boolean foreground) {
379 this.mIsInForeground = foreground;
380 }
381
382 private int getPixel(int dp) {
383 DisplayMetrics metrics = mXmppConnectionService.getResources()
384 .getDisplayMetrics();
385 return ((int) (dp * metrics.density));
386 }
387
388 private void markLastNotification() {
389 this.mLastNotification = SystemClock.elapsedRealtime();
390 }
391
392 private boolean inMiniGracePeriod(Account account) {
393 int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
394 : Config.MINI_GRACE_PERIOD * 2;
395 return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
396 }
397
398 public Notification createForegroundNotification() {
399 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
400 mBuilder.setSmallIcon(R.drawable.ic_stat_communication_import_export);
401 mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.conversations_foreground_service));
402 mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_disable));
403 mBuilder.setContentIntent(createDisableForeground());
404 mBuilder.setWhen(0);
405 mBuilder.setPriority(NotificationCompat.PRIORITY_MIN);
406 return mBuilder.build();
407 }
408
409 public void updateErrorNotification() {
410 NotificationManager mNotificationManager = (NotificationManager) mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
411 List<Account> errors = new ArrayList<>();
412 for (Account account : mXmppConnectionService.getAccounts()) {
413 if (account.hasErrorStatus()) {
414 errors.add(account);
415 }
416 }
417 NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
418 if (errors.size() == 0) {
419 mNotificationManager.cancel(ERROR_NOTIFICATION_ID);
420 return;
421 } else if (errors.size() == 1) {
422 mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
423 mBuilder.setContentText(errors.get(0).getJid().toBareJid().toString());
424 } else {
425 mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
426 mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
427 }
428 mBuilder.setOngoing(true);
429 mBuilder.setLights(0xffffffff, 2000, 4000);
430 mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
431 TaskStackBuilder stackBuilder = TaskStackBuilder.create(mXmppConnectionService);
432 stackBuilder.addParentStack(ConversationActivity.class);
433
434 Intent manageAccountsIntent = new Intent(mXmppConnectionService,ManageAccountActivity.class);
435 stackBuilder.addNextIntent(manageAccountsIntent);
436
437 PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,PendingIntent.FLAG_UPDATE_CURRENT);
438
439 mBuilder.setContentIntent(resultPendingIntent);
440 Notification notification = mBuilder.build();
441 mNotificationManager.notify(ERROR_NOTIFICATION_ID, notification);
442 }
443}