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