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