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 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(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 mBuilder.setSmallIcon(R.drawable.ic_notification);
207 mBuilder.setDeleteIntent(createDeleteIntent());
208 mBuilder.setLights(0xffffffff, 2000, 4000);
209 final Notification notification = mBuilder.build();
210 notificationManager.notify(NOTIFICATION_ID, notification);
211 }
212 }
213
214 private Builder buildMultipleConversation() {
215 final Builder mBuilder = new NotificationCompat.Builder(
216 mXmppConnectionService);
217 NotificationCompat.InboxStyle style = new NotificationCompat.InboxStyle();
218 style.setBigContentTitle(notifications.size()
219 + " "
220 + mXmppConnectionService
221 .getString(R.string.unread_conversations));
222 final StringBuilder names = new StringBuilder();
223 Conversation conversation = null;
224 for (ArrayList<Message> messages : notifications.values()) {
225 if (messages.size() > 0) {
226 conversation = messages.get(0).getConversation();
227 String name = conversation.getName();
228 style.addLine(Html.fromHtml("<b>" + name + "</b> "
229 + UIHelper.getMessagePreview(mXmppConnectionService,messages.get(0)).first));
230 names.append(name);
231 names.append(", ");
232 }
233 }
234 if (names.length() >= 2) {
235 names.delete(names.length() - 2, names.length());
236 }
237 mBuilder.setContentTitle(notifications.size()
238 + " "
239 + mXmppConnectionService
240 .getString(R.string.unread_conversations));
241 mBuilder.setContentText(names.toString());
242 mBuilder.setStyle(style);
243 if (conversation != null) {
244 mBuilder.setContentIntent(createContentIntent(conversation
245 .getUuid()));
246 }
247 return mBuilder;
248 }
249
250 private Builder buildSingleConversations(final boolean notify) {
251 final Builder mBuilder = new NotificationCompat.Builder(
252 mXmppConnectionService);
253 final ArrayList<Message> messages = notifications.values().iterator().next();
254 if (messages.size() >= 1) {
255 final Conversation conversation = messages.get(0).getConversation();
256 mBuilder.setLargeIcon(mXmppConnectionService.getAvatarService()
257 .get(conversation, getPixel(64)));
258 mBuilder.setContentTitle(conversation.getName());
259 final Message message;
260 if ((message = getImage(messages)) != null) {
261 modifyForImage(mBuilder, message, messages, notify);
262 } else {
263 modifyForTextOnly(mBuilder, messages, notify);
264 }
265 mBuilder.setContentIntent(createContentIntent(conversation
266 .getUuid()));
267 }
268 return mBuilder;
269 }
270
271 private void modifyForImage(final Builder builder, final Message message,
272 final ArrayList<Message> messages, final boolean notify) {
273 try {
274 final Bitmap bitmap = mXmppConnectionService.getFileBackend()
275 .getThumbnail(message, getPixel(288), false);
276 final ArrayList<Message> tmp = new ArrayList<>();
277 for (final Message msg : messages) {
278 if (msg.getType() == Message.TYPE_TEXT
279 && msg.getDownloadable() == null) {
280 tmp.add(msg);
281 }
282 }
283 final BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
284 bigPictureStyle.bigPicture(bitmap);
285 if (tmp.size() > 0) {
286 bigPictureStyle.setSummaryText(getMergedBodies(tmp));
287 builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService,tmp.get(0)).first);
288 } else {
289 builder.setContentText(mXmppConnectionService.getString(R.string.image_file));
290 }
291 builder.setStyle(bigPictureStyle);
292 } catch (final FileNotFoundException e) {
293 modifyForTextOnly(builder, messages, notify);
294 }
295 }
296
297 private void modifyForTextOnly(final Builder builder,
298 final ArrayList<Message> messages, final boolean notify) {
299 builder.setStyle(new NotificationCompat.BigTextStyle().bigText(getMergedBodies(messages)));
300 builder.setContentText(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(0)).first);
301 if (notify) {
302 builder.setTicker(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(messages.size() - 1)).first);
303 }
304 }
305
306 private Message getImage(final ArrayList<Message> messages) {
307 for (final Message message : messages) {
308 if (message.getType() == Message.TYPE_IMAGE
309 && message.getDownloadable() == null
310 && message.getEncryption() != Message.ENCRYPTION_PGP) {
311 return message;
312 }
313 }
314 return null;
315 }
316
317 private String getMergedBodies(final ArrayList<Message> messages) {
318 final StringBuilder text = new StringBuilder();
319 for (int i = 0; i < messages.size(); ++i) {
320 text.append(UIHelper.getMessagePreview(mXmppConnectionService,messages.get(i)).first);
321 if (i != messages.size() - 1) {
322 text.append("\n");
323 }
324 }
325 return text.toString();
326 }
327
328 private PendingIntent createContentIntent(final String conversationUuid) {
329 final TaskStackBuilder stackBuilder = TaskStackBuilder
330 .create(mXmppConnectionService);
331 stackBuilder.addParentStack(ConversationActivity.class);
332
333 final Intent viewConversationIntent = new Intent(mXmppConnectionService,
334 ConversationActivity.class);
335 viewConversationIntent.setAction(Intent.ACTION_VIEW);
336 if (conversationUuid != null) {
337 viewConversationIntent.putExtra(ConversationActivity.CONVERSATION,
338 conversationUuid);
339 viewConversationIntent.setType(ConversationActivity.VIEW_CONVERSATION);
340 }
341
342 stackBuilder.addNextIntent(viewConversationIntent);
343
344 return stackBuilder.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT);
345 }
346
347 private PendingIntent createDeleteIntent() {
348 final Intent intent = new Intent(mXmppConnectionService,
349 XmppConnectionService.class);
350 intent.setAction(XmppConnectionService.ACTION_CLEAR_NOTIFICATION);
351 return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
352 }
353
354 private PendingIntent createDisableForeground() {
355 final Intent intent = new Intent(mXmppConnectionService,
356 XmppConnectionService.class);
357 intent.setAction(XmppConnectionService.ACTION_DISABLE_FOREGROUND);
358 return PendingIntent.getService(mXmppConnectionService, 0, intent, 0);
359 }
360
361 private boolean wasHighlightedOrPrivate(final Message message) {
362 final String nick = message.getConversation().getMucOptions().getActualNick();
363 final Pattern highlight = generateNickHighlightPattern(nick);
364 if (message.getBody() == null || nick == null) {
365 return false;
366 }
367 final Matcher m = highlight.matcher(message.getBody());
368 return (m.find() || message.getType() == Message.TYPE_PRIVATE);
369 }
370
371 private static Pattern generateNickHighlightPattern(final String nick) {
372 // We expect a word boundary, i.e. space or start of string, followed by
373 // the
374 // nick (matched in case-insensitive manner), followed by optional
375 // punctuation (for example "bob: i disagree" or "how are you alice?"),
376 // followed by another word boundary.
377 return Pattern.compile("\\b" + nick + "\\p{Punct}?\\b",
378 Pattern.CASE_INSENSITIVE | Pattern.UNICODE_CASE);
379 }
380
381 public void setOpenConversation(final Conversation conversation) {
382 this.mOpenConversation = conversation;
383 }
384
385 public void setIsInForeground(final boolean foreground) {
386 if (foreground != this.mIsInForeground) {
387 Log.d(Config.LOGTAG,"setIsInForeground("+Boolean.toString(foreground)+")");
388 }
389 this.mIsInForeground = foreground;
390 }
391
392 private int getPixel(final int dp) {
393 final DisplayMetrics metrics = mXmppConnectionService.getResources()
394 .getDisplayMetrics();
395 return ((int) (dp * metrics.density));
396 }
397
398 private void markLastNotification() {
399 this.mLastNotification = SystemClock.elapsedRealtime();
400 }
401
402 private boolean inMiniGracePeriod(final Account account) {
403 final int miniGrace = account.getStatus() == Account.State.ONLINE ? Config.MINI_GRACE_PERIOD
404 : Config.MINI_GRACE_PERIOD * 2;
405 return SystemClock.elapsedRealtime() < (this.mLastNotification + miniGrace);
406 }
407
408 public Notification createForegroundNotification() {
409 final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
410 mBuilder.setSmallIcon(R.drawable.ic_stat_communication_import_export);
411 mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.conversations_foreground_service));
412 mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_disable));
413 mBuilder.setContentIntent(createDisableForeground());
414 mBuilder.setWhen(0);
415 mBuilder.setPriority(NotificationCompat.PRIORITY_MIN);
416 return mBuilder.build();
417 }
418
419 public void updateErrorNotification() {
420 final NotificationManager mNotificationManager = (NotificationManager) mXmppConnectionService.getSystemService(Context.NOTIFICATION_SERVICE);
421 final List<Account> errors = new ArrayList<>();
422 for (final Account account : mXmppConnectionService.getAccounts()) {
423 if (account.hasErrorStatus()) {
424 errors.add(account);
425 }
426 }
427 final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(mXmppConnectionService);
428 if (errors.size() == 0) {
429 mNotificationManager.cancel(ERROR_NOTIFICATION_ID);
430 return;
431 } else if (errors.size() == 1) {
432 mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_account));
433 mBuilder.setContentText(errors.get(0).getJid().toBareJid().toString());
434 } else {
435 mBuilder.setContentTitle(mXmppConnectionService.getString(R.string.problem_connecting_to_accounts));
436 mBuilder.setContentText(mXmppConnectionService.getString(R.string.touch_to_fix));
437 }
438 mBuilder.setOngoing(true);
439 //mBuilder.setLights(0xffffffff, 2000, 4000);
440 mBuilder.setSmallIcon(R.drawable.ic_stat_alert_warning);
441 TaskStackBuilder stackBuilder = TaskStackBuilder.create(mXmppConnectionService);
442 stackBuilder.addParentStack(ConversationActivity.class);
443
444 final Intent manageAccountsIntent = new Intent(mXmppConnectionService,ManageAccountActivity.class);
445 stackBuilder.addNextIntent(manageAccountsIntent);
446
447 final PendingIntent resultPendingIntent = stackBuilder.getPendingIntent(0,PendingIntent.FLAG_UPDATE_CURRENT);
448
449 mBuilder.setContentIntent(resultPendingIntent);
450 mNotificationManager.notify(ERROR_NOTIFICATION_ID, mBuilder.build());
451 }
452}