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