NotificationManagerService.java revision 5579ec33eb317a19ad80929169b2b329b147d98b
1/* 2 * Copyright (C) 2007 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.server.notification; 18 19import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT; 20import static org.xmlpull.v1.XmlPullParser.END_TAG; 21import static org.xmlpull.v1.XmlPullParser.START_TAG; 22 23import android.app.ActivityManager; 24import android.app.ActivityManagerNative; 25import android.app.AppGlobals; 26import android.app.AppOpsManager; 27import android.app.IActivityManager; 28import android.app.INotificationManager; 29import android.app.ITransientNotification; 30import android.app.Notification; 31import android.app.PendingIntent; 32import android.app.StatusBarManager; 33import android.content.BroadcastReceiver; 34import android.content.ComponentName; 35import android.content.ContentResolver; 36import android.content.Context; 37import android.content.Intent; 38import android.content.IntentFilter; 39import android.content.ServiceConnection; 40import android.content.pm.ApplicationInfo; 41import android.content.pm.PackageInfo; 42import android.content.pm.PackageManager; 43import android.content.pm.ResolveInfo; 44import android.content.pm.ServiceInfo; 45import android.content.pm.PackageManager.NameNotFoundException; 46import android.content.res.Resources; 47import android.database.ContentObserver; 48import android.graphics.Bitmap; 49import android.media.AudioManager; 50import android.media.IRingtonePlayer; 51import android.net.Uri; 52import android.os.Binder; 53import android.os.Handler; 54import android.os.IBinder; 55import android.os.Message; 56import android.os.Process; 57import android.os.RemoteException; 58import android.os.UserHandle; 59import android.os.Vibrator; 60import android.provider.Settings; 61import android.service.notification.INotificationListener; 62import android.service.notification.NotificationListenerService; 63import android.service.notification.StatusBarNotification; 64import android.telephony.TelephonyManager; 65import android.text.TextUtils; 66import android.util.ArrayMap; 67import android.util.AtomicFile; 68import android.util.EventLog; 69import android.util.Log; 70import android.util.Slog; 71import android.util.Xml; 72import android.view.accessibility.AccessibilityEvent; 73import android.view.accessibility.AccessibilityManager; 74import android.widget.Toast; 75 76import com.android.internal.R; 77 78import com.android.internal.notification.NotificationScorer; 79import com.android.server.EventLogTags; 80import com.android.server.statusbar.StatusBarManagerInternal; 81import com.android.server.SystemService; 82import com.android.server.lights.Light; 83import com.android.server.lights.LightsManager; 84 85import org.xmlpull.v1.XmlPullParser; 86import org.xmlpull.v1.XmlPullParserException; 87 88import java.io.File; 89import java.io.FileDescriptor; 90import java.io.FileInputStream; 91import java.io.FileNotFoundException; 92import java.io.IOException; 93import java.io.PrintWriter; 94import java.lang.reflect.Array; 95import java.util.ArrayDeque; 96import java.util.ArrayList; 97import java.util.Arrays; 98import java.util.HashSet; 99import java.util.Iterator; 100import java.util.List; 101import java.util.NoSuchElementException; 102import java.util.Set; 103 104import libcore.io.IoUtils; 105 106/** {@hide} */ 107public class NotificationManagerService extends SystemService { 108 static final String TAG = "NotificationService"; 109 static final boolean DBG = false; 110 111 static final int MAX_PACKAGE_NOTIFICATIONS = 50; 112 113 // message codes 114 static final int MESSAGE_TIMEOUT = 2; 115 116 static final int LONG_DELAY = 3500; // 3.5 seconds 117 static final int SHORT_DELAY = 2000; // 2 seconds 118 119 static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250}; 120 static final int VIBRATE_PATTERN_MAXLEN = 8 * 2 + 1; // up to eight bumps 121 122 static final int DEFAULT_STREAM_TYPE = AudioManager.STREAM_NOTIFICATION; 123 static final boolean SCORE_ONGOING_HIGHER = false; 124 125 static final int JUNK_SCORE = -1000; 126 static final int NOTIFICATION_PRIORITY_MULTIPLIER = 10; 127 static final int SCORE_DISPLAY_THRESHOLD = Notification.PRIORITY_MIN * NOTIFICATION_PRIORITY_MULTIPLIER; 128 129 // Notifications with scores below this will not interrupt the user, either via LED or 130 // sound or vibration 131 static final int SCORE_INTERRUPTION_THRESHOLD = 132 Notification.PRIORITY_LOW * NOTIFICATION_PRIORITY_MULTIPLIER; 133 134 static final boolean ENABLE_BLOCKED_NOTIFICATIONS = true; 135 static final boolean ENABLE_BLOCKED_TOASTS = true; 136 137 static final String ENABLED_NOTIFICATION_LISTENERS_SEPARATOR = ":"; 138 139 private IActivityManager mAm; 140 AudioManager mAudioManager; 141 StatusBarManagerInternal mStatusBar; 142 Vibrator mVibrator; 143 144 final IBinder mForegroundToken = new Binder(); 145 private WorkerHandler mHandler; 146 147 private Light mNotificationLight; 148 Light mAttentionLight; 149 private int mDefaultNotificationColor; 150 private int mDefaultNotificationLedOn; 151 152 private int mDefaultNotificationLedOff; 153 private long[] mDefaultVibrationPattern; 154 155 private long[] mFallbackVibrationPattern; 156 boolean mSystemReady; 157 158 int mDisabledNotifications; 159 NotificationRecord mSoundNotification; 160 NotificationRecord mVibrateNotification; 161 162 // for enabling and disabling notification pulse behavior 163 private boolean mScreenOn = true; 164 private boolean mInCall = false; 165 private boolean mNotificationPulseEnabled; 166 167 // used as a mutex for access to all active notifications & listeners 168 final ArrayList<NotificationRecord> mNotificationList = 169 new ArrayList<NotificationRecord>(); 170 final ArrayMap<String, NotificationRecord> mNotificationsByKey = 171 new ArrayMap<String, NotificationRecord>(); 172 173 final ArrayList<ToastRecord> mToastQueue = new ArrayList<ToastRecord>(); 174 175 ArrayList<NotificationRecord> mLights = new ArrayList<NotificationRecord>(); 176 NotificationRecord mLedNotification; 177 178 private AppOpsManager mAppOps; 179 180 // contains connections to all connected listeners, including app services 181 // and system listeners 182 private ArrayList<NotificationListenerInfo> mListeners 183 = new ArrayList<NotificationListenerInfo>(); 184 // things that will be put into mListeners as soon as they're ready 185 private ArrayList<String> mServicesBinding = new ArrayList<String>(); 186 // lists the component names of all enabled (and therefore connected) listener 187 // app services for the current user only 188 private HashSet<ComponentName> mEnabledListenersForCurrentUser 189 = new HashSet<ComponentName>(); 190 // Just the packages from mEnabledListenersForCurrentUser 191 private HashSet<String> mEnabledListenerPackageNames = new HashSet<String>(); 192 193 // Notification control database. For now just contains disabled packages. 194 private AtomicFile mPolicyFile; 195 private HashSet<String> mBlockedPackages = new HashSet<String>(); 196 197 private static final int DB_VERSION = 1; 198 199 private static final String TAG_BODY = "notification-policy"; 200 private static final String ATTR_VERSION = "version"; 201 202 private static final String TAG_BLOCKED_PKGS = "blocked-packages"; 203 private static final String TAG_PACKAGE = "package"; 204 private static final String ATTR_NAME = "name"; 205 206 final ArrayList<NotificationScorer> mScorers = new ArrayList<NotificationScorer>(); 207 208 private class NotificationListenerInfo implements IBinder.DeathRecipient { 209 INotificationListener listener; 210 ComponentName component; 211 int userid; 212 boolean isSystem; 213 ServiceConnection connection; 214 215 public NotificationListenerInfo(INotificationListener listener, ComponentName component, 216 int userid, boolean isSystem) { 217 this.listener = listener; 218 this.component = component; 219 this.userid = userid; 220 this.isSystem = isSystem; 221 this.connection = null; 222 } 223 224 public NotificationListenerInfo(INotificationListener listener, ComponentName component, 225 int userid, ServiceConnection connection) { 226 this.listener = listener; 227 this.component = component; 228 this.userid = userid; 229 this.isSystem = false; 230 this.connection = connection; 231 } 232 233 boolean enabledAndUserMatches(StatusBarNotification sbn) { 234 final int nid = sbn.getUserId(); 235 if (!isEnabledForCurrentUser()) { 236 return false; 237 } 238 if (this.userid == UserHandle.USER_ALL) return true; 239 return (nid == UserHandle.USER_ALL || nid == this.userid); 240 } 241 242 public void notifyPostedIfUserMatch(StatusBarNotification sbn) { 243 if (!enabledAndUserMatches(sbn)) { 244 return; 245 } 246 try { 247 listener.onNotificationPosted(sbn); 248 } catch (RemoteException ex) { 249 Log.e(TAG, "unable to notify listener (posted): " + listener, ex); 250 } 251 } 252 253 public void notifyRemovedIfUserMatch(StatusBarNotification sbn) { 254 if (!enabledAndUserMatches(sbn)) return; 255 try { 256 listener.onNotificationRemoved(sbn); 257 } catch (RemoteException ex) { 258 Log.e(TAG, "unable to notify listener (removed): " + listener, ex); 259 } 260 } 261 262 @Override 263 public void binderDied() { 264 // Remove the listener, but don't unbind from the service. The system will bring the 265 // service back up, and the onServiceConnected handler will readd the listener with the 266 // new binding. If this isn't a bound service, and is just a registered 267 // INotificationListener, just removing it from the list is all we need to do anyway. 268 removeListenerImpl(this.listener, this.userid); 269 } 270 271 /** convenience method for looking in mEnabledListenersForCurrentUser */ 272 public boolean isEnabledForCurrentUser() { 273 if (this.isSystem) return true; 274 if (this.connection == null) return false; 275 return mEnabledListenersForCurrentUser.contains(this.component); 276 } 277 } 278 279 private static class Archive { 280 static final int BUFFER_SIZE = 250; 281 ArrayDeque<StatusBarNotification> mBuffer = new ArrayDeque<StatusBarNotification>(BUFFER_SIZE); 282 283 public Archive() { 284 } 285 286 public String toString() { 287 final StringBuilder sb = new StringBuilder(); 288 final int N = mBuffer.size(); 289 sb.append("Archive ("); 290 sb.append(N); 291 sb.append(" notification"); 292 sb.append((N==1)?")":"s)"); 293 return sb.toString(); 294 } 295 296 public void record(StatusBarNotification nr) { 297 if (mBuffer.size() == BUFFER_SIZE) { 298 mBuffer.removeFirst(); 299 } 300 301 // We don't want to store the heavy bits of the notification in the archive, 302 // but other clients in the system process might be using the object, so we 303 // store a (lightened) copy. 304 mBuffer.addLast(nr.cloneLight()); 305 } 306 307 308 public void clear() { 309 mBuffer.clear(); 310 } 311 312 public Iterator<StatusBarNotification> descendingIterator() { 313 return mBuffer.descendingIterator(); 314 } 315 public Iterator<StatusBarNotification> ascendingIterator() { 316 return mBuffer.iterator(); 317 } 318 public Iterator<StatusBarNotification> filter( 319 final Iterator<StatusBarNotification> iter, final String pkg, final int userId) { 320 return new Iterator<StatusBarNotification>() { 321 StatusBarNotification mNext = findNext(); 322 323 private StatusBarNotification findNext() { 324 while (iter.hasNext()) { 325 StatusBarNotification nr = iter.next(); 326 if ((pkg == null || nr.getPackageName() == pkg) 327 && (userId == UserHandle.USER_ALL || nr.getUserId() == userId)) { 328 return nr; 329 } 330 } 331 return null; 332 } 333 334 @Override 335 public boolean hasNext() { 336 return mNext == null; 337 } 338 339 @Override 340 public StatusBarNotification next() { 341 StatusBarNotification next = mNext; 342 if (next == null) { 343 throw new NoSuchElementException(); 344 } 345 mNext = findNext(); 346 return next; 347 } 348 349 @Override 350 public void remove() { 351 iter.remove(); 352 } 353 }; 354 } 355 356 public StatusBarNotification[] getArray(int count) { 357 if (count == 0) count = Archive.BUFFER_SIZE; 358 final StatusBarNotification[] a 359 = new StatusBarNotification[Math.min(count, mBuffer.size())]; 360 Iterator<StatusBarNotification> iter = descendingIterator(); 361 int i=0; 362 while (iter.hasNext() && i < count) { 363 a[i++] = iter.next(); 364 } 365 return a; 366 } 367 368 public StatusBarNotification[] getArray(int count, String pkg, int userId) { 369 if (count == 0) count = Archive.BUFFER_SIZE; 370 final StatusBarNotification[] a 371 = new StatusBarNotification[Math.min(count, mBuffer.size())]; 372 Iterator<StatusBarNotification> iter = filter(descendingIterator(), pkg, userId); 373 int i=0; 374 while (iter.hasNext() && i < count) { 375 a[i++] = iter.next(); 376 } 377 return a; 378 } 379 380 } 381 382 Archive mArchive = new Archive(); 383 384 private void loadBlockDb() { 385 synchronized(mBlockedPackages) { 386 if (mPolicyFile == null) { 387 File dir = new File("/data/system"); 388 mPolicyFile = new AtomicFile(new File(dir, "notification_policy.xml")); 389 390 mBlockedPackages.clear(); 391 392 FileInputStream infile = null; 393 try { 394 infile = mPolicyFile.openRead(); 395 final XmlPullParser parser = Xml.newPullParser(); 396 parser.setInput(infile, null); 397 398 int type; 399 String tag; 400 int version = DB_VERSION; 401 while ((type = parser.next()) != END_DOCUMENT) { 402 tag = parser.getName(); 403 if (type == START_TAG) { 404 if (TAG_BODY.equals(tag)) { 405 version = Integer.parseInt( 406 parser.getAttributeValue(null, ATTR_VERSION)); 407 } else if (TAG_BLOCKED_PKGS.equals(tag)) { 408 while ((type = parser.next()) != END_DOCUMENT) { 409 tag = parser.getName(); 410 if (TAG_PACKAGE.equals(tag)) { 411 mBlockedPackages.add( 412 parser.getAttributeValue(null, ATTR_NAME)); 413 } else if (TAG_BLOCKED_PKGS.equals(tag) && type == END_TAG) { 414 break; 415 } 416 } 417 } 418 } 419 } 420 } catch (FileNotFoundException e) { 421 // No data yet 422 } catch (IOException e) { 423 Log.wtf(TAG, "Unable to read blocked notifications database", e); 424 } catch (NumberFormatException e) { 425 Log.wtf(TAG, "Unable to parse blocked notifications database", e); 426 } catch (XmlPullParserException e) { 427 Log.wtf(TAG, "Unable to parse blocked notifications database", e); 428 } finally { 429 IoUtils.closeQuietly(infile); 430 } 431 } 432 } 433 } 434 435 /** Use this when you actually want to post a notification or toast. 436 * 437 * Unchecked. Not exposed via Binder, but can be called in the course of enqueue*(). 438 */ 439 private boolean noteNotificationOp(String pkg, int uid) { 440 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) 441 != AppOpsManager.MODE_ALLOWED) { 442 Slog.v(TAG, "notifications are disabled by AppOps for " + pkg); 443 return false; 444 } 445 return true; 446 } 447 448 private static String idDebugString(Context baseContext, String packageName, int id) { 449 Context c = null; 450 451 if (packageName != null) { 452 try { 453 c = baseContext.createPackageContext(packageName, 0); 454 } catch (NameNotFoundException e) { 455 c = baseContext; 456 } 457 } else { 458 c = baseContext; 459 } 460 461 String pkg; 462 String type; 463 String name; 464 465 Resources r = c.getResources(); 466 try { 467 return r.getResourceName(id); 468 } catch (Resources.NotFoundException e) { 469 return "<name unknown>"; 470 } 471 } 472 473 474 /** 475 * Remove notification access for any services that no longer exist. 476 */ 477 void disableNonexistentListeners() { 478 int currentUser = ActivityManager.getCurrentUser(); 479 String flatIn = Settings.Secure.getStringForUser( 480 getContext().getContentResolver(), 481 Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, 482 currentUser); 483 if (!TextUtils.isEmpty(flatIn)) { 484 if (DBG) Slog.v(TAG, "flat before: " + flatIn); 485 PackageManager pm = getContext().getPackageManager(); 486 List<ResolveInfo> installedServices = pm.queryIntentServicesAsUser( 487 new Intent(NotificationListenerService.SERVICE_INTERFACE), 488 PackageManager.GET_SERVICES | PackageManager.GET_META_DATA, 489 currentUser); 490 491 Set<ComponentName> installed = new HashSet<ComponentName>(); 492 for (int i = 0, count = installedServices.size(); i < count; i++) { 493 ResolveInfo resolveInfo = installedServices.get(i); 494 ServiceInfo info = resolveInfo.serviceInfo; 495 496 if (!android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE.equals( 497 info.permission)) { 498 Slog.w(TAG, "Skipping notification listener service " 499 + info.packageName + "/" + info.name 500 + ": it does not require the permission " 501 + android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE); 502 continue; 503 } 504 installed.add(new ComponentName(info.packageName, info.name)); 505 } 506 507 String flatOut = ""; 508 if (!installed.isEmpty()) { 509 String[] enabled = flatIn.split(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR); 510 ArrayList<String> remaining = new ArrayList<String>(enabled.length); 511 for (int i = 0; i < enabled.length; i++) { 512 ComponentName enabledComponent = ComponentName.unflattenFromString(enabled[i]); 513 if (installed.contains(enabledComponent)) { 514 remaining.add(enabled[i]); 515 } 516 } 517 flatOut = TextUtils.join(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR, remaining); 518 } 519 if (DBG) Slog.v(TAG, "flat after: " + flatOut); 520 if (!flatIn.equals(flatOut)) { 521 Settings.Secure.putStringForUser(getContext().getContentResolver(), 522 Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, 523 flatOut, currentUser); 524 } 525 } 526 } 527 528 /** 529 * Called whenever packages change, the user switches, or ENABLED_NOTIFICATION_LISTENERS 530 * is altered. (For example in response to USER_SWITCHED in our broadcast receiver) 531 */ 532 void rebindListenerServices() { 533 final int currentUser = ActivityManager.getCurrentUser(); 534 String flat = Settings.Secure.getStringForUser( 535 getContext().getContentResolver(), 536 Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, 537 currentUser); 538 539 NotificationListenerInfo[] toRemove = new NotificationListenerInfo[mListeners.size()]; 540 final ArrayList<ComponentName> toAdd; 541 542 synchronized (mNotificationList) { 543 // unbind and remove all existing listeners 544 toRemove = mListeners.toArray(toRemove); 545 546 toAdd = new ArrayList<ComponentName>(); 547 final HashSet<ComponentName> newEnabled = new HashSet<ComponentName>(); 548 final HashSet<String> newPackages = new HashSet<String>(); 549 550 // decode the list of components 551 if (flat != null) { 552 String[] components = flat.split(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR); 553 for (int i=0; i<components.length; i++) { 554 final ComponentName component 555 = ComponentName.unflattenFromString(components[i]); 556 if (component != null) { 557 newEnabled.add(component); 558 toAdd.add(component); 559 newPackages.add(component.getPackageName()); 560 } 561 } 562 563 mEnabledListenersForCurrentUser = newEnabled; 564 mEnabledListenerPackageNames = newPackages; 565 } 566 } 567 568 for (NotificationListenerInfo info : toRemove) { 569 final ComponentName component = info.component; 570 final int oldUser = info.userid; 571 Slog.v(TAG, "disabling notification listener for user " + oldUser + ": " + component); 572 unregisterListenerService(component, info.userid); 573 } 574 575 final int N = toAdd.size(); 576 for (int i=0; i<N; i++) { 577 final ComponentName component = toAdd.get(i); 578 Slog.v(TAG, "enabling notification listener for user " + currentUser + ": " 579 + component); 580 registerListenerService(component, currentUser); 581 } 582 } 583 584 585 /** 586 * Version of registerListener that takes the name of a 587 * {@link android.service.notification.NotificationListenerService} to bind to. 588 * 589 * This is the mechanism by which third parties may subscribe to notifications. 590 */ 591 private void registerListenerService(final ComponentName name, final int userid) { 592 checkCallerIsSystem(); 593 594 if (DBG) Slog.v(TAG, "registerListenerService: " + name + " u=" + userid); 595 596 synchronized (mNotificationList) { 597 final String servicesBindingTag = name.toString() + "/" + userid; 598 if (mServicesBinding.contains(servicesBindingTag)) { 599 // stop registering this thing already! we're working on it 600 return; 601 } 602 mServicesBinding.add(servicesBindingTag); 603 604 final int N = mListeners.size(); 605 for (int i=N-1; i>=0; i--) { 606 final NotificationListenerInfo info = mListeners.get(i); 607 if (name.equals(info.component) 608 && info.userid == userid) { 609 // cut old connections 610 if (DBG) Slog.v(TAG, " disconnecting old listener: " + info.listener); 611 mListeners.remove(i); 612 if (info.connection != null) { 613 getContext().unbindService(info.connection); 614 } 615 } 616 } 617 618 Intent intent = new Intent(NotificationListenerService.SERVICE_INTERFACE); 619 intent.setComponent(name); 620 621 intent.putExtra(Intent.EXTRA_CLIENT_LABEL, 622 R.string.notification_listener_binding_label); 623 624 final PendingIntent pendingIntent = PendingIntent.getActivity( 625 getContext(), 0, new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS), 0); 626 intent.putExtra(Intent.EXTRA_CLIENT_INTENT, pendingIntent); 627 628 try { 629 if (DBG) Slog.v(TAG, "binding: " + intent); 630 if (!getContext().bindServiceAsUser(intent, 631 new ServiceConnection() { 632 INotificationListener mListener; 633 634 @Override 635 public void onServiceConnected(ComponentName name, IBinder service) { 636 boolean added = false; 637 synchronized (mNotificationList) { 638 mServicesBinding.remove(servicesBindingTag); 639 try { 640 mListener = INotificationListener.Stub.asInterface(service); 641 NotificationListenerInfo info 642 = new NotificationListenerInfo( 643 mListener, name, userid, this); 644 service.linkToDeath(info, 0); 645 added = mListeners.add(info); 646 } catch (RemoteException e) { 647 // already dead 648 } 649 } 650 if (added) { 651 final String[] keys = 652 getActiveNotificationKeysFromListener(mListener); 653 try { 654 mListener.onListenerConnected(keys); 655 } catch (RemoteException e) { 656 // we tried 657 } 658 } 659 } 660 661 @Override 662 public void onServiceDisconnected(ComponentName name) { 663 Slog.v(TAG, "notification listener connection lost: " + name); 664 } 665 }, 666 Context.BIND_AUTO_CREATE, 667 new UserHandle(userid))) 668 { 669 mServicesBinding.remove(servicesBindingTag); 670 Slog.w(TAG, "Unable to bind listener service: " + intent); 671 return; 672 } 673 } catch (SecurityException ex) { 674 Slog.e(TAG, "Unable to bind listener service: " + intent, ex); 675 return; 676 } 677 } 678 } 679 680 681 /** 682 * Remove a listener service for the given user by ComponentName 683 */ 684 private void unregisterListenerService(ComponentName name, int userid) { 685 checkCallerIsSystem(); 686 687 synchronized (mNotificationList) { 688 final int N = mListeners.size(); 689 for (int i=N-1; i>=0; i--) { 690 final NotificationListenerInfo info = mListeners.get(i); 691 if (name.equals(info.component) 692 && info.userid == userid) { 693 mListeners.remove(i); 694 if (info.connection != null) { 695 try { 696 getContext().unbindService(info.connection); 697 } catch (IllegalArgumentException ex) { 698 // something happened to the service: we think we have a connection 699 // but it's bogus. 700 Slog.e(TAG, "Listener " + name + " could not be unbound: " + ex); 701 } 702 } 703 } 704 } 705 } 706 } 707 708 /** 709 * asynchronously notify all listeners about a new notification 710 */ 711 void notifyPostedLocked(NotificationRecord n) { 712 // make a copy in case changes are made to the underlying Notification object 713 final StatusBarNotification sbn = n.sbn.clone(); 714 for (final NotificationListenerInfo info : mListeners) { 715 mHandler.post(new Runnable() { 716 @Override 717 public void run() { 718 info.notifyPostedIfUserMatch(sbn); 719 }}); 720 } 721 } 722 723 /** 724 * asynchronously notify all listeners about a removed notification 725 */ 726 void notifyRemovedLocked(NotificationRecord n) { 727 // make a copy in case changes are made to the underlying Notification object 728 // NOTE: this copy is lightweight: it doesn't include heavyweight parts of the notification 729 final StatusBarNotification sbn_light = n.sbn.cloneLight(); 730 731 for (final NotificationListenerInfo info : mListeners) { 732 mHandler.post(new Runnable() { 733 @Override 734 public void run() { 735 info.notifyRemovedIfUserMatch(sbn_light); 736 }}); 737 } 738 } 739 740 // -- APIs to support listeners clicking/clearing notifications -- 741 742 private void checkNullListener(INotificationListener listener) { 743 if (listener == null) { 744 throw new IllegalArgumentException("Listener must not be null"); 745 } 746 } 747 748 private NotificationListenerInfo checkListenerTokenLocked(INotificationListener listener) { 749 checkNullListener(listener); 750 final IBinder token = listener.asBinder(); 751 final int N = mListeners.size(); 752 for (int i=0; i<N; i++) { 753 final NotificationListenerInfo info = mListeners.get(i); 754 if (info.listener.asBinder() == token) return info; 755 } 756 throw new SecurityException("Disallowed call from unknown listener: " + listener); 757 } 758 759 760 761 // -- end of listener APIs -- 762 763 public static final class NotificationRecord 764 { 765 final StatusBarNotification sbn; 766 IBinder statusBarKey; 767 768 NotificationRecord(StatusBarNotification sbn) 769 { 770 this.sbn = sbn; 771 } 772 773 public Notification getNotification() { return sbn.getNotification(); } 774 public int getFlags() { return sbn.getNotification().flags; } 775 public int getUserId() { return sbn.getUserId(); } 776 777 void dump(PrintWriter pw, String prefix, Context baseContext) { 778 final Notification notification = sbn.getNotification(); 779 pw.println(prefix + this); 780 pw.println(prefix + " uid=" + sbn.getUid() + " userId=" + sbn.getUserId()); 781 pw.println(prefix + " icon=0x" + Integer.toHexString(notification.icon) 782 + " / " + idDebugString(baseContext, sbn.getPackageName(), notification.icon)); 783 pw.println(prefix + " pri=" + notification.priority + " score=" + sbn.getScore()); 784 pw.println(prefix + " key=" + sbn.getKey()); 785 pw.println(prefix + " contentIntent=" + notification.contentIntent); 786 pw.println(prefix + " deleteIntent=" + notification.deleteIntent); 787 pw.println(prefix + " tickerText=" + notification.tickerText); 788 pw.println(prefix + " contentView=" + notification.contentView); 789 pw.println(prefix + String.format(" defaults=0x%08x flags=0x%08x", 790 notification.defaults, notification.flags)); 791 pw.println(prefix + " sound=" + notification.sound); 792 pw.println(prefix + " vibrate=" + Arrays.toString(notification.vibrate)); 793 pw.println(prefix + String.format(" led=0x%08x onMs=%d offMs=%d", 794 notification.ledARGB, notification.ledOnMS, notification.ledOffMS)); 795 if (notification.actions != null && notification.actions.length > 0) { 796 pw.println(prefix + " actions={"); 797 final int N = notification.actions.length; 798 for (int i=0; i<N; i++) { 799 final Notification.Action action = notification.actions[i]; 800 pw.println(String.format("%s [%d] \"%s\" -> %s", 801 prefix, 802 i, 803 action.title, 804 action.actionIntent.toString() 805 )); 806 } 807 pw.println(prefix + " }"); 808 } 809 if (notification.extras != null && notification.extras.size() > 0) { 810 pw.println(prefix + " extras={"); 811 for (String key : notification.extras.keySet()) { 812 pw.print(prefix + " " + key + "="); 813 Object val = notification.extras.get(key); 814 if (val == null) { 815 pw.println("null"); 816 } else { 817 pw.print(val.toString()); 818 if (val instanceof Bitmap) { 819 pw.print(String.format(" (%dx%d)", 820 ((Bitmap) val).getWidth(), 821 ((Bitmap) val).getHeight())); 822 } else if (val.getClass().isArray()) { 823 pw.println(" {"); 824 final int N = Array.getLength(val); 825 for (int i=0; i<N; i++) { 826 if (i > 0) pw.println(","); 827 pw.print(prefix + " " + Array.get(val, i)); 828 } 829 pw.print("\n" + prefix + " }"); 830 } 831 pw.println(); 832 } 833 } 834 pw.println(prefix + " }"); 835 } 836 } 837 838 @Override 839 public final String toString() { 840 return String.format( 841 "NotificationRecord(0x%08x: pkg=%s user=%s id=%d tag=%s score=%d key=%s: %s)", 842 System.identityHashCode(this), 843 this.sbn.getPackageName(), this.sbn.getUser(), this.sbn.getId(), 844 this.sbn.getTag(), this.sbn.getScore(), this.sbn.getKey(), 845 this.sbn.getNotification()); 846 } 847 } 848 849 private static final class ToastRecord 850 { 851 final int pid; 852 final String pkg; 853 final ITransientNotification callback; 854 int duration; 855 856 ToastRecord(int pid, String pkg, ITransientNotification callback, int duration) 857 { 858 this.pid = pid; 859 this.pkg = pkg; 860 this.callback = callback; 861 this.duration = duration; 862 } 863 864 void update(int duration) { 865 this.duration = duration; 866 } 867 868 void dump(PrintWriter pw, String prefix) { 869 pw.println(prefix + this); 870 } 871 872 @Override 873 public final String toString() 874 { 875 return "ToastRecord{" 876 + Integer.toHexString(System.identityHashCode(this)) 877 + " pkg=" + pkg 878 + " callback=" + callback 879 + " duration=" + duration; 880 } 881 } 882 883 private final NotificationDelegate mNotificationDelegate = new NotificationDelegate() { 884 885 @Override 886 public void onSetDisabled(int status) { 887 synchronized (mNotificationList) { 888 mDisabledNotifications = status; 889 if ((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) != 0) { 890 // cancel whatever's going on 891 long identity = Binder.clearCallingIdentity(); 892 try { 893 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 894 if (player != null) { 895 player.stopAsync(); 896 } 897 } catch (RemoteException e) { 898 } finally { 899 Binder.restoreCallingIdentity(identity); 900 } 901 902 identity = Binder.clearCallingIdentity(); 903 try { 904 mVibrator.cancel(); 905 } finally { 906 Binder.restoreCallingIdentity(identity); 907 } 908 } 909 } 910 } 911 912 @Override 913 public void onClearAll() { 914 // XXX to be totally correct, the caller should tell us which user 915 // this is for. 916 int currentUser = ActivityManager.getCurrentUser(); 917 synchronized (mNotificationList) { 918 cancelAllLocked(currentUser); 919 } 920 } 921 922 @Override 923 public void onNotificationClick(String pkg, String tag, int id) { 924 // XXX to be totally correct, the caller should tell us which user 925 // this is for. 926 cancelNotification(pkg, tag, id, Notification.FLAG_AUTO_CANCEL, 927 Notification.FLAG_FOREGROUND_SERVICE, false, 928 ActivityManager.getCurrentUser()); 929 } 930 931 @Override 932 public void onNotificationClear(String pkg, String tag, int id) { 933 // XXX to be totally correct, the caller should tell us which user 934 // this is for. 935 cancelNotification(pkg, tag, id, 0, 936 Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, 937 true, ActivityManager.getCurrentUser()); 938 } 939 940 @Override 941 public void onPanelRevealed() { 942 synchronized (mNotificationList) { 943 // sound 944 mSoundNotification = null; 945 946 long identity = Binder.clearCallingIdentity(); 947 try { 948 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 949 if (player != null) { 950 player.stopAsync(); 951 } 952 } catch (RemoteException e) { 953 } finally { 954 Binder.restoreCallingIdentity(identity); 955 } 956 957 // vibrate 958 mVibrateNotification = null; 959 identity = Binder.clearCallingIdentity(); 960 try { 961 mVibrator.cancel(); 962 } finally { 963 Binder.restoreCallingIdentity(identity); 964 } 965 966 // light 967 mLights.clear(); 968 mLedNotification = null; 969 updateLightsLocked(); 970 } 971 } 972 973 @Override 974 public void onNotificationError(String pkg, String tag, int id, 975 int uid, int initialPid, String message) { 976 Slog.d(TAG, "onNotification error pkg=" + pkg + " tag=" + tag + " id=" + id 977 + "; will crashApplication(uid=" + uid + ", pid=" + initialPid + ")"); 978 // XXX to be totally correct, the caller should tell us which user 979 // this is for. 980 cancelNotification(pkg, tag, id, 0, 0, false, UserHandle.getUserId(uid)); 981 long ident = Binder.clearCallingIdentity(); 982 try { 983 ActivityManagerNative.getDefault().crashApplication(uid, initialPid, pkg, 984 "Bad notification posted from package " + pkg 985 + ": " + message); 986 } catch (RemoteException e) { 987 } 988 Binder.restoreCallingIdentity(ident); 989 } 990 }; 991 992 private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 993 @Override 994 public void onReceive(Context context, Intent intent) { 995 String action = intent.getAction(); 996 997 boolean queryRestart = false; 998 boolean queryRemove = false; 999 boolean packageChanged = false; 1000 boolean cancelNotifications = true; 1001 1002 if (action.equals(Intent.ACTION_PACKAGE_ADDED) 1003 || (queryRemove=action.equals(Intent.ACTION_PACKAGE_REMOVED)) 1004 || action.equals(Intent.ACTION_PACKAGE_RESTARTED) 1005 || (packageChanged=action.equals(Intent.ACTION_PACKAGE_CHANGED)) 1006 || (queryRestart=action.equals(Intent.ACTION_QUERY_PACKAGE_RESTART)) 1007 || action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { 1008 String pkgList[] = null; 1009 boolean queryReplace = queryRemove && 1010 intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 1011 if (DBG) Slog.i(TAG, "queryReplace=" + queryReplace); 1012 if (action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { 1013 pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 1014 } else if (queryRestart) { 1015 pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); 1016 } else { 1017 Uri uri = intent.getData(); 1018 if (uri == null) { 1019 return; 1020 } 1021 String pkgName = uri.getSchemeSpecificPart(); 1022 if (pkgName == null) { 1023 return; 1024 } 1025 if (packageChanged) { 1026 // We cancel notifications for packages which have just been disabled 1027 try { 1028 final int enabled = getContext().getPackageManager() 1029 .getApplicationEnabledSetting(pkgName); 1030 if (enabled == PackageManager.COMPONENT_ENABLED_STATE_ENABLED 1031 || enabled == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT) { 1032 cancelNotifications = false; 1033 } 1034 } catch (IllegalArgumentException e) { 1035 // Package doesn't exist; probably racing with uninstall. 1036 // cancelNotifications is already true, so nothing to do here. 1037 if (DBG) { 1038 Slog.i(TAG, "Exception trying to look up app enabled setting", e); 1039 } 1040 } 1041 } 1042 pkgList = new String[]{pkgName}; 1043 } 1044 1045 boolean anyListenersInvolved = false; 1046 if (pkgList != null && (pkgList.length > 0)) { 1047 for (String pkgName : pkgList) { 1048 if (cancelNotifications) { 1049 cancelAllNotificationsInt(pkgName, 0, 0, !queryRestart, 1050 UserHandle.USER_ALL); 1051 } 1052 if (mEnabledListenerPackageNames.contains(pkgName)) { 1053 anyListenersInvolved = true; 1054 } 1055 } 1056 } 1057 1058 if (anyListenersInvolved) { 1059 // if we're not replacing a package, clean up orphaned bits 1060 if (!queryReplace) { 1061 disableNonexistentListeners(); 1062 } 1063 // make sure we're still bound to any of our 1064 // listeners who may have just upgraded 1065 rebindListenerServices(); 1066 } 1067 } else if (action.equals(Intent.ACTION_SCREEN_ON)) { 1068 // Keep track of screen on/off state, but do not turn off the notification light 1069 // until user passes through the lock screen or views the notification. 1070 mScreenOn = true; 1071 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 1072 mScreenOn = false; 1073 } else if (action.equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) { 1074 mInCall = (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals( 1075 TelephonyManager.EXTRA_STATE_OFFHOOK)); 1076 updateNotificationPulse(); 1077 } else if (action.equals(Intent.ACTION_USER_STOPPED)) { 1078 int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); 1079 if (userHandle >= 0) { 1080 cancelAllNotificationsInt(null, 0, 0, true, userHandle); 1081 } 1082 } else if (action.equals(Intent.ACTION_USER_PRESENT)) { 1083 // turn off LED when user passes through lock screen 1084 mNotificationLight.turnOff(); 1085 } else if (action.equals(Intent.ACTION_USER_SWITCHED)) { 1086 // reload per-user settings 1087 mSettingsObserver.update(null); 1088 } 1089 } 1090 }; 1091 1092 class SettingsObserver extends ContentObserver { 1093 private final Uri NOTIFICATION_LIGHT_PULSE_URI 1094 = Settings.System.getUriFor(Settings.System.NOTIFICATION_LIGHT_PULSE); 1095 1096 private final Uri ENABLED_NOTIFICATION_LISTENERS_URI 1097 = Settings.Secure.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); 1098 1099 SettingsObserver(Handler handler) { 1100 super(handler); 1101 } 1102 1103 void observe() { 1104 ContentResolver resolver = getContext().getContentResolver(); 1105 resolver.registerContentObserver(NOTIFICATION_LIGHT_PULSE_URI, 1106 false, this, UserHandle.USER_ALL); 1107 resolver.registerContentObserver(ENABLED_NOTIFICATION_LISTENERS_URI, 1108 false, this, UserHandle.USER_ALL); 1109 update(null); 1110 } 1111 1112 @Override public void onChange(boolean selfChange, Uri uri) { 1113 update(uri); 1114 } 1115 1116 public void update(Uri uri) { 1117 ContentResolver resolver = getContext().getContentResolver(); 1118 if (uri == null || NOTIFICATION_LIGHT_PULSE_URI.equals(uri)) { 1119 boolean pulseEnabled = Settings.System.getInt(resolver, 1120 Settings.System.NOTIFICATION_LIGHT_PULSE, 0) != 0; 1121 if (mNotificationPulseEnabled != pulseEnabled) { 1122 mNotificationPulseEnabled = pulseEnabled; 1123 updateNotificationPulse(); 1124 } 1125 } 1126 if (uri == null || ENABLED_NOTIFICATION_LISTENERS_URI.equals(uri)) { 1127 rebindListenerServices(); 1128 } 1129 } 1130 } 1131 1132 private SettingsObserver mSettingsObserver; 1133 1134 static long[] getLongArray(Resources r, int resid, int maxlen, long[] def) { 1135 int[] ar = r.getIntArray(resid); 1136 if (ar == null) { 1137 return def; 1138 } 1139 final int len = ar.length > maxlen ? maxlen : ar.length; 1140 long[] out = new long[len]; 1141 for (int i=0; i<len; i++) { 1142 out[i] = ar[i]; 1143 } 1144 return out; 1145 } 1146 1147 public NotificationManagerService(Context context) { 1148 super(context); 1149 } 1150 1151 @Override 1152 public void onStart() { 1153 mAm = ActivityManagerNative.getDefault(); 1154 mAppOps = (AppOpsManager) getContext().getSystemService(Context.APP_OPS_SERVICE); 1155 mVibrator = (Vibrator) getContext().getSystemService(Context.VIBRATOR_SERVICE); 1156 1157 mHandler = new WorkerHandler(); 1158 1159 importOldBlockDb(); 1160 1161 mStatusBar = getLocalService(StatusBarManagerInternal.class); 1162 mStatusBar.setNotificationDelegate(mNotificationDelegate); 1163 1164 final LightsManager lights = getLocalService(LightsManager.class); 1165 mNotificationLight = lights.getLight(LightsManager.LIGHT_ID_NOTIFICATIONS); 1166 mAttentionLight = lights.getLight(LightsManager.LIGHT_ID_ATTENTION); 1167 1168 Resources resources = getContext().getResources(); 1169 mDefaultNotificationColor = resources.getColor( 1170 R.color.config_defaultNotificationColor); 1171 mDefaultNotificationLedOn = resources.getInteger( 1172 R.integer.config_defaultNotificationLedOn); 1173 mDefaultNotificationLedOff = resources.getInteger( 1174 R.integer.config_defaultNotificationLedOff); 1175 1176 mDefaultVibrationPattern = getLongArray(resources, 1177 R.array.config_defaultNotificationVibePattern, 1178 VIBRATE_PATTERN_MAXLEN, 1179 DEFAULT_VIBRATE_PATTERN); 1180 1181 mFallbackVibrationPattern = getLongArray(resources, 1182 R.array.config_notificationFallbackVibePattern, 1183 VIBRATE_PATTERN_MAXLEN, 1184 DEFAULT_VIBRATE_PATTERN); 1185 1186 // Don't start allowing notifications until the setup wizard has run once. 1187 // After that, including subsequent boots, init with notifications turned on. 1188 // This works on the first boot because the setup wizard will toggle this 1189 // flag at least once and we'll go back to 0 after that. 1190 if (0 == Settings.Global.getInt(getContext().getContentResolver(), 1191 Settings.Global.DEVICE_PROVISIONED, 0)) { 1192 mDisabledNotifications = StatusBarManager.DISABLE_NOTIFICATION_ALERTS; 1193 } 1194 1195 // register for various Intents 1196 IntentFilter filter = new IntentFilter(); 1197 filter.addAction(Intent.ACTION_SCREEN_ON); 1198 filter.addAction(Intent.ACTION_SCREEN_OFF); 1199 filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); 1200 filter.addAction(Intent.ACTION_USER_PRESENT); 1201 filter.addAction(Intent.ACTION_USER_STOPPED); 1202 filter.addAction(Intent.ACTION_USER_SWITCHED); 1203 getContext().registerReceiver(mIntentReceiver, filter); 1204 IntentFilter pkgFilter = new IntentFilter(); 1205 pkgFilter.addAction(Intent.ACTION_PACKAGE_ADDED); 1206 pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1207 pkgFilter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1208 pkgFilter.addAction(Intent.ACTION_PACKAGE_RESTARTED); 1209 pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); 1210 pkgFilter.addDataScheme("package"); 1211 getContext().registerReceiver(mIntentReceiver, pkgFilter); 1212 IntentFilter sdFilter = new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1213 getContext().registerReceiver(mIntentReceiver, sdFilter); 1214 1215 mSettingsObserver = new SettingsObserver(mHandler); 1216 1217 // spin up NotificationScorers 1218 String[] notificationScorerNames = resources.getStringArray( 1219 R.array.config_notificationScorers); 1220 for (String scorerName : notificationScorerNames) { 1221 try { 1222 Class<?> scorerClass = getContext().getClassLoader().loadClass(scorerName); 1223 NotificationScorer scorer = (NotificationScorer) scorerClass.newInstance(); 1224 scorer.initialize(getContext()); 1225 mScorers.add(scorer); 1226 } catch (ClassNotFoundException e) { 1227 Slog.w(TAG, "Couldn't find scorer " + scorerName + ".", e); 1228 } catch (InstantiationException e) { 1229 Slog.w(TAG, "Couldn't instantiate scorer " + scorerName + ".", e); 1230 } catch (IllegalAccessException e) { 1231 Slog.w(TAG, "Problem accessing scorer " + scorerName + ".", e); 1232 } 1233 } 1234 1235 publishBinderService(Context.NOTIFICATION_SERVICE, mService); 1236 publishLocalService(NotificationManagerInternal.class, mInternalService); 1237 } 1238 1239 /** 1240 * Read the old XML-based app block database and import those blockages into the AppOps system. 1241 */ 1242 private void importOldBlockDb() { 1243 loadBlockDb(); 1244 1245 PackageManager pm = getContext().getPackageManager(); 1246 for (String pkg : mBlockedPackages) { 1247 PackageInfo info = null; 1248 try { 1249 info = pm.getPackageInfo(pkg, 0); 1250 setNotificationsEnabledForPackageImpl(pkg, info.applicationInfo.uid, false); 1251 } catch (NameNotFoundException e) { 1252 // forget you 1253 } 1254 } 1255 mBlockedPackages.clear(); 1256 if (mPolicyFile != null) { 1257 mPolicyFile.delete(); 1258 } 1259 } 1260 1261 @Override 1262 public void onBootPhase(int phase) { 1263 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 1264 // no beeping until we're basically done booting 1265 mSystemReady = true; 1266 1267 // Grab our optional AudioService 1268 mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE); 1269 1270 } else if (phase == SystemService.PHASE_THIRD_PARTY_APPS_CAN_START) { 1271 // This observer will force an update when observe is called, causing us to 1272 // bind to listener services. 1273 mSettingsObserver.observe(); 1274 } 1275 } 1276 1277 void setNotificationsEnabledForPackageImpl(String pkg, int uid, boolean enabled) { 1278 Slog.v(TAG, (enabled?"en":"dis") + "abling notifications for " + pkg); 1279 1280 mAppOps.setMode(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg, 1281 enabled ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED); 1282 1283 // Now, cancel any outstanding notifications that are part of a just-disabled app 1284 if (ENABLE_BLOCKED_NOTIFICATIONS && !enabled) { 1285 cancelAllNotificationsInt(pkg, 0, 0, true, UserHandle.getUserId(uid)); 1286 } 1287 } 1288 1289 private final IBinder mService = new INotificationManager.Stub() { 1290 // Toasts 1291 // ============================================================================ 1292 1293 @Override 1294 public void enqueueToast(String pkg, ITransientNotification callback, int duration) 1295 { 1296 if (DBG) { 1297 Slog.i(TAG, "enqueueToast pkg=" + pkg + " callback=" + callback 1298 + " duration=" + duration); 1299 } 1300 1301 if (pkg == null || callback == null) { 1302 Slog.e(TAG, "Not doing toast. pkg=" + pkg + " callback=" + callback); 1303 return ; 1304 } 1305 1306 final boolean isSystemToast = isCallerSystem() || ("android".equals(pkg)); 1307 1308 if (ENABLE_BLOCKED_TOASTS && !noteNotificationOp(pkg, Binder.getCallingUid())) { 1309 if (!isSystemToast) { 1310 Slog.e(TAG, "Suppressing toast from package " + pkg + " by user request."); 1311 return; 1312 } 1313 } 1314 1315 synchronized (mToastQueue) { 1316 int callingPid = Binder.getCallingPid(); 1317 long callingId = Binder.clearCallingIdentity(); 1318 try { 1319 ToastRecord record; 1320 int index = indexOfToastLocked(pkg, callback); 1321 // If it's already in the queue, we update it in place, we don't 1322 // move it to the end of the queue. 1323 if (index >= 0) { 1324 record = mToastQueue.get(index); 1325 record.update(duration); 1326 } else { 1327 // Limit the number of toasts that any given package except the android 1328 // package can enqueue. Prevents DOS attacks and deals with leaks. 1329 if (!isSystemToast) { 1330 int count = 0; 1331 final int N = mToastQueue.size(); 1332 for (int i=0; i<N; i++) { 1333 final ToastRecord r = mToastQueue.get(i); 1334 if (r.pkg.equals(pkg)) { 1335 count++; 1336 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 1337 Slog.e(TAG, "Package has already posted " + count 1338 + " toasts. Not showing more. Package=" + pkg); 1339 return; 1340 } 1341 } 1342 } 1343 } 1344 1345 record = new ToastRecord(callingPid, pkg, callback, duration); 1346 mToastQueue.add(record); 1347 index = mToastQueue.size() - 1; 1348 keepProcessAliveLocked(callingPid); 1349 } 1350 // If it's at index 0, it's the current toast. It doesn't matter if it's 1351 // new or just been updated. Call back and tell it to show itself. 1352 // If the callback fails, this will remove it from the list, so don't 1353 // assume that it's valid after this. 1354 if (index == 0) { 1355 showNextToastLocked(); 1356 } 1357 } finally { 1358 Binder.restoreCallingIdentity(callingId); 1359 } 1360 } 1361 } 1362 1363 @Override 1364 public void cancelToast(String pkg, ITransientNotification callback) { 1365 Slog.i(TAG, "cancelToast pkg=" + pkg + " callback=" + callback); 1366 1367 if (pkg == null || callback == null) { 1368 Slog.e(TAG, "Not cancelling notification. pkg=" + pkg + " callback=" + callback); 1369 return ; 1370 } 1371 1372 synchronized (mToastQueue) { 1373 long callingId = Binder.clearCallingIdentity(); 1374 try { 1375 int index = indexOfToastLocked(pkg, callback); 1376 if (index >= 0) { 1377 cancelToastLocked(index); 1378 } else { 1379 Slog.w(TAG, "Toast already cancelled. pkg=" + pkg 1380 + " callback=" + callback); 1381 } 1382 } finally { 1383 Binder.restoreCallingIdentity(callingId); 1384 } 1385 } 1386 } 1387 1388 @Override 1389 public void enqueueNotificationWithTag(String pkg, String basePkg, String tag, int id, 1390 Notification notification, int[] idOut, int userId) throws RemoteException { 1391 enqueueNotificationInternal(pkg, basePkg, Binder.getCallingUid(), 1392 Binder.getCallingPid(), tag, id, notification, idOut, userId); 1393 } 1394 1395 @Override 1396 public void cancelNotificationWithTag(String pkg, String tag, int id, int userId) { 1397 checkCallerIsSystemOrSameApp(pkg); 1398 userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), 1399 Binder.getCallingUid(), userId, true, false, "cancelNotificationWithTag", pkg); 1400 // Don't allow client applications to cancel foreground service notis. 1401 cancelNotification(pkg, tag, id, 0, 1402 Binder.getCallingUid() == Process.SYSTEM_UID 1403 ? 0 : Notification.FLAG_FOREGROUND_SERVICE, false, userId); 1404 } 1405 1406 @Override 1407 public void cancelAllNotifications(String pkg, int userId) { 1408 checkCallerIsSystemOrSameApp(pkg); 1409 1410 userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), 1411 Binder.getCallingUid(), userId, true, false, "cancelAllNotifications", pkg); 1412 1413 // Calling from user space, don't allow the canceling of actively 1414 // running foreground services. 1415 cancelAllNotificationsInt(pkg, 0, Notification.FLAG_FOREGROUND_SERVICE, true, userId); 1416 } 1417 1418 @Override 1419 public void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled) { 1420 checkCallerIsSystem(); 1421 1422 setNotificationsEnabledForPackageImpl(pkg, uid, enabled); 1423 } 1424 1425 /** 1426 * Use this when you just want to know if notifications are OK for this package. 1427 */ 1428 @Override 1429 public boolean areNotificationsEnabledForPackage(String pkg, int uid) { 1430 checkCallerIsSystem(); 1431 return (mAppOps.checkOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) 1432 == AppOpsManager.MODE_ALLOWED); 1433 } 1434 1435 /** 1436 * System-only API for getting a list of current (i.e. not cleared) notifications. 1437 * 1438 * Requires ACCESS_NOTIFICATIONS which is signature|system. 1439 */ 1440 @Override 1441 public StatusBarNotification[] getActiveNotifications(String callingPkg) { 1442 // enforce() will ensure the calling uid has the correct permission 1443 getContext().enforceCallingOrSelfPermission( 1444 android.Manifest.permission.ACCESS_NOTIFICATIONS, 1445 "NotificationManagerService.getActiveNotifications"); 1446 1447 StatusBarNotification[] tmp = null; 1448 int uid = Binder.getCallingUid(); 1449 1450 // noteOp will check to make sure the callingPkg matches the uid 1451 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) 1452 == AppOpsManager.MODE_ALLOWED) { 1453 synchronized (mNotificationList) { 1454 tmp = new StatusBarNotification[mNotificationList.size()]; 1455 final int N = mNotificationList.size(); 1456 for (int i=0; i<N; i++) { 1457 tmp[i] = mNotificationList.get(i).sbn; 1458 } 1459 } 1460 } 1461 return tmp; 1462 } 1463 1464 /** 1465 * System-only API for getting a list of recent (cleared, no longer shown) notifications. 1466 * 1467 * Requires ACCESS_NOTIFICATIONS which is signature|system. 1468 */ 1469 @Override 1470 public StatusBarNotification[] getHistoricalNotifications(String callingPkg, int count) { 1471 // enforce() will ensure the calling uid has the correct permission 1472 getContext().enforceCallingOrSelfPermission( 1473 android.Manifest.permission.ACCESS_NOTIFICATIONS, 1474 "NotificationManagerService.getHistoricalNotifications"); 1475 1476 StatusBarNotification[] tmp = null; 1477 int uid = Binder.getCallingUid(); 1478 1479 // noteOp will check to make sure the callingPkg matches the uid 1480 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) 1481 == AppOpsManager.MODE_ALLOWED) { 1482 synchronized (mArchive) { 1483 tmp = mArchive.getArray(count); 1484 } 1485 } 1486 return tmp; 1487 } 1488 1489 /** 1490 * Register a listener binder directly with the notification manager. 1491 * 1492 * Only works with system callers. Apps should extend 1493 * {@link android.service.notification.NotificationListenerService}. 1494 */ 1495 @Override 1496 public void registerListener(final INotificationListener listener, 1497 final ComponentName component, final int userid) { 1498 checkCallerIsSystem(); 1499 checkNullListener(listener); 1500 registerListenerImpl(listener, component, userid); 1501 } 1502 1503 /** 1504 * Remove a listener binder directly 1505 */ 1506 @Override 1507 public void unregisterListener(INotificationListener listener, int userid) { 1508 checkNullListener(listener); 1509 // no need to check permissions; if your listener binder is in the list, 1510 // that's proof that you had permission to add it in the first place 1511 unregisterListenerImpl(listener, userid); 1512 } 1513 1514 /** 1515 * Allow an INotificationListener to simulate a "clear all" operation. 1516 * 1517 * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onClearAllNotifications} 1518 * 1519 * @param token The binder for the listener, to check that the caller is allowed 1520 */ 1521 @Override 1522 public void cancelNotificationsFromListener(INotificationListener token, String[] keys) { 1523 long identity = Binder.clearCallingIdentity(); 1524 try { 1525 synchronized (mNotificationList) { 1526 final NotificationListenerInfo info = checkListenerTokenLocked(token); 1527 if (keys != null) { 1528 final int N = keys.length; 1529 for (int i = 0; i < N; i++) { 1530 NotificationRecord r = mNotificationsByKey.get(keys[i]); 1531 if (r != null) { 1532 cancelNotificationFromListenerLocked(info, 1533 r.sbn.getPackageName(), r.sbn.getTag(), r.sbn.getId()); 1534 } 1535 } 1536 } else { 1537 cancelAllLocked(info.userid); 1538 } 1539 } 1540 } finally { 1541 Binder.restoreCallingIdentity(identity); 1542 } 1543 } 1544 1545 private void cancelNotificationFromListenerLocked(NotificationListenerInfo info, 1546 String pkg, String tag, int id) { 1547 cancelNotification(pkg, tag, id, 0, 1548 Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, 1549 true, 1550 info.userid); 1551 } 1552 1553 /** 1554 * Allow an INotificationListener to simulate clearing (dismissing) a single notification. 1555 * 1556 * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onNotificationClear} 1557 * 1558 * @param token The binder for the listener, to check that the caller is allowed 1559 */ 1560 @Override 1561 public void cancelNotificationFromListener(INotificationListener token, String pkg, 1562 String tag, int id) { 1563 long identity = Binder.clearCallingIdentity(); 1564 try { 1565 synchronized (mNotificationList) { 1566 final NotificationListenerInfo info = checkListenerTokenLocked(token); 1567 cancelNotificationFromListenerLocked(info, 1568 pkg, tag, id); 1569 } 1570 } finally { 1571 Binder.restoreCallingIdentity(identity); 1572 } 1573 } 1574 1575 /** 1576 * Allow an INotificationListener to request the list of outstanding notifications seen by 1577 * the current user. Useful when starting up, after which point the listener callbacks 1578 * should be used. 1579 * 1580 * @param token The binder for the listener, to check that the caller is allowed 1581 */ 1582 @Override 1583 public StatusBarNotification[] getActiveNotificationsFromListener( 1584 INotificationListener token, String[] keys) { 1585 synchronized (mNotificationList) { 1586 final NotificationListenerInfo info = checkListenerTokenLocked(token); 1587 final ArrayList<StatusBarNotification> list 1588 = new ArrayList<StatusBarNotification>(); 1589 if (keys == null) { 1590 final int N = mNotificationList.size(); 1591 for (int i=0; i<N; i++) { 1592 StatusBarNotification sbn = mNotificationList.get(i).sbn; 1593 if (info.enabledAndUserMatches(sbn)) { 1594 list.add(sbn); 1595 } 1596 } 1597 } else { 1598 final int N = keys.length; 1599 for (int i=0; i<N; i++) { 1600 NotificationRecord r = mNotificationsByKey.get(keys[i]); 1601 if (r != null && info.enabledAndUserMatches(r.sbn)) { 1602 list.add(r.sbn); 1603 } 1604 } 1605 } 1606 return list.toArray(new StatusBarNotification[list.size()]); 1607 } 1608 } 1609 1610 @Override 1611 public String[] getActiveNotificationKeysFromListener(INotificationListener token) { 1612 return NotificationManagerService.this.getActiveNotificationKeysFromListener(token); 1613 } 1614 1615 @Override 1616 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1617 if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1618 != PackageManager.PERMISSION_GRANTED) { 1619 pw.println("Permission Denial: can't dump NotificationManager from from pid=" 1620 + Binder.getCallingPid() 1621 + ", uid=" + Binder.getCallingUid()); 1622 return; 1623 } 1624 1625 dumpImpl(pw); 1626 } 1627 }; 1628 1629 private String[] getActiveNotificationKeysFromListener(INotificationListener token) { 1630 synchronized (mNotificationList) { 1631 final NotificationListenerInfo info = checkListenerTokenLocked(token); 1632 final ArrayList<String> keys = new ArrayList<String>(); 1633 final int N = mNotificationList.size(); 1634 for (int i=0; i<N; i++) { 1635 final StatusBarNotification sbn = mNotificationList.get(i).sbn; 1636 if (info.enabledAndUserMatches(sbn)) { 1637 keys.add(sbn.getKey()); 1638 } 1639 } 1640 return keys.toArray(new String[keys.size()]); 1641 } 1642 } 1643 1644 void dumpImpl(PrintWriter pw) { 1645 pw.println("Current Notification Manager state:"); 1646 1647 pw.println(" Listeners (" + mEnabledListenersForCurrentUser.size() 1648 + ") enabled for current user:"); 1649 for (ComponentName cmpt : mEnabledListenersForCurrentUser) { 1650 pw.println(" " + cmpt); 1651 } 1652 1653 pw.println(" Live listeners (" + mListeners.size() + "):"); 1654 for (NotificationListenerInfo info : mListeners) { 1655 pw.println(" " + info.component 1656 + " (user " + info.userid + "): " + info.listener 1657 + (info.isSystem?" SYSTEM":"")); 1658 } 1659 1660 int N; 1661 1662 synchronized (mToastQueue) { 1663 N = mToastQueue.size(); 1664 if (N > 0) { 1665 pw.println(" Toast Queue:"); 1666 for (int i=0; i<N; i++) { 1667 mToastQueue.get(i).dump(pw, " "); 1668 } 1669 pw.println(" "); 1670 } 1671 1672 } 1673 1674 synchronized (mNotificationList) { 1675 N = mNotificationList.size(); 1676 if (N > 0) { 1677 pw.println(" Notification List:"); 1678 for (int i=0; i<N; i++) { 1679 mNotificationList.get(i).dump(pw, " ", getContext()); 1680 } 1681 pw.println(" "); 1682 } 1683 1684 N = mLights.size(); 1685 if (N > 0) { 1686 pw.println(" Lights List:"); 1687 for (int i=0; i<N; i++) { 1688 pw.println(" " + mLights.get(i)); 1689 } 1690 pw.println(" "); 1691 } 1692 1693 pw.println(" mSoundNotification=" + mSoundNotification); 1694 pw.println(" mVibrateNotification=" + mVibrateNotification); 1695 pw.println(" mDisabledNotifications=0x" 1696 + Integer.toHexString(mDisabledNotifications)); 1697 pw.println(" mSystemReady=" + mSystemReady); 1698 pw.println(" mArchive=" + mArchive.toString()); 1699 Iterator<StatusBarNotification> iter = mArchive.descendingIterator(); 1700 int i=0; 1701 while (iter.hasNext()) { 1702 pw.println(" " + iter.next()); 1703 if (++i >= 5) { 1704 if (iter.hasNext()) pw.println(" ..."); 1705 break; 1706 } 1707 } 1708 1709 } 1710 } 1711 1712 /** 1713 * The private API only accessible to the system process. 1714 */ 1715 private final NotificationManagerInternal mInternalService = new NotificationManagerInternal() { 1716 @Override 1717 public void enqueueNotification(String pkg, String basePkg, int callingUid, int callingPid, 1718 String tag, int id, Notification notification, int[] idReceived, int userId) { 1719 enqueueNotificationInternal(pkg, basePkg, callingUid, callingPid, tag, id, notification, 1720 idReceived, userId); 1721 } 1722 }; 1723 1724 void enqueueNotificationInternal(final String pkg, String basePkg, final int callingUid, 1725 final int callingPid, final String tag, final int id, final Notification notification, 1726 int[] idOut, int incomingUserId) { 1727 if (DBG) { 1728 Slog.v(TAG, "enqueueNotificationInternal: pkg=" + pkg + " id=" + id 1729 + " notification=" + notification); 1730 } 1731 checkCallerIsSystemOrSameApp(pkg); 1732 final boolean isSystemNotification = isUidSystem(callingUid) || ("android".equals(pkg)); 1733 1734 final int userId = ActivityManager.handleIncomingUser(callingPid, 1735 callingUid, incomingUserId, true, false, "enqueueNotification", pkg); 1736 final UserHandle user = new UserHandle(userId); 1737 1738 // Limit the number of notifications that any given package except the android 1739 // package can enqueue. Prevents DOS attacks and deals with leaks. 1740 if (!isSystemNotification) { 1741 synchronized (mNotificationList) { 1742 int count = 0; 1743 final int N = mNotificationList.size(); 1744 for (int i=0; i<N; i++) { 1745 final NotificationRecord r = mNotificationList.get(i); 1746 if (r.sbn.getPackageName().equals(pkg) && r.sbn.getUserId() == userId) { 1747 count++; 1748 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 1749 Slog.e(TAG, "Package has already posted " + count 1750 + " notifications. Not showing more. package=" + pkg); 1751 return; 1752 } 1753 } 1754 } 1755 } 1756 } 1757 1758 // This conditional is a dirty hack to limit the logging done on 1759 // behalf of the download manager without affecting other apps. 1760 if (!pkg.equals("com.android.providers.downloads") 1761 || Log.isLoggable("DownloadManager", Log.VERBOSE)) { 1762 EventLog.writeEvent(EventLogTags.NOTIFICATION_ENQUEUE, pkg, id, tag, userId, 1763 notification.toString()); 1764 } 1765 1766 if (pkg == null || notification == null) { 1767 throw new IllegalArgumentException("null not allowed: pkg=" + pkg 1768 + " id=" + id + " notification=" + notification); 1769 } 1770 if (notification.icon != 0) { 1771 if (notification.contentView == null) { 1772 throw new IllegalArgumentException("contentView required: pkg=" + pkg 1773 + " id=" + id + " notification=" + notification); 1774 } 1775 } 1776 1777 mHandler.post(new Runnable() { 1778 @Override 1779 public void run() { 1780 1781 // === Scoring === 1782 1783 // 0. Sanitize inputs 1784 notification.priority = clamp(notification.priority, Notification.PRIORITY_MIN, 1785 Notification.PRIORITY_MAX); 1786 // Migrate notification flags to scores 1787 if (0 != (notification.flags & Notification.FLAG_HIGH_PRIORITY)) { 1788 if (notification.priority < Notification.PRIORITY_MAX) { 1789 notification.priority = Notification.PRIORITY_MAX; 1790 } 1791 } else if (SCORE_ONGOING_HIGHER && 1792 0 != (notification.flags & Notification.FLAG_ONGOING_EVENT)) { 1793 if (notification.priority < Notification.PRIORITY_HIGH) { 1794 notification.priority = Notification.PRIORITY_HIGH; 1795 } 1796 } 1797 1798 // 1. initial score: buckets of 10, around the app 1799 int score = notification.priority * NOTIFICATION_PRIORITY_MULTIPLIER; //[-20..20] 1800 1801 // 2. Consult external heuristics (TBD) 1802 1803 // 3. Apply local rules 1804 1805 int initialScore = score; 1806 if (!mScorers.isEmpty()) { 1807 if (DBG) Slog.v(TAG, "Initial score is " + score + "."); 1808 for (NotificationScorer scorer : mScorers) { 1809 try { 1810 score = scorer.getScore(notification, score); 1811 } catch (Throwable t) { 1812 Slog.w(TAG, "Scorer threw on .getScore.", t); 1813 } 1814 } 1815 if (DBG) Slog.v(TAG, "Final score is " + score + "."); 1816 } 1817 1818 // add extra to indicate score modified by NotificationScorer 1819 notification.extras.putBoolean(Notification.EXTRA_SCORE_MODIFIED, 1820 score != initialScore); 1821 1822 // blocked apps 1823 if (ENABLE_BLOCKED_NOTIFICATIONS && !noteNotificationOp(pkg, callingUid)) { 1824 if (!isSystemNotification) { 1825 score = JUNK_SCORE; 1826 Slog.e(TAG, "Suppressing notification from package " + pkg 1827 + " by user request."); 1828 } 1829 } 1830 1831 if (DBG) { 1832 Slog.v(TAG, "Assigned score=" + score + " to " + notification); 1833 } 1834 1835 if (score < SCORE_DISPLAY_THRESHOLD) { 1836 // Notification will be blocked because the score is too low. 1837 return; 1838 } 1839 1840 // Should this notification make noise, vibe, or use the LED? 1841 final boolean canInterrupt = (score >= SCORE_INTERRUPTION_THRESHOLD); 1842 1843 synchronized (mNotificationList) { 1844 final StatusBarNotification n = new StatusBarNotification( 1845 pkg, id, tag, callingUid, callingPid, score, notification, user); 1846 NotificationRecord r = new NotificationRecord(n); 1847 NotificationRecord old = null; 1848 1849 int index = indexOfNotificationLocked(pkg, tag, id, userId); 1850 if (index < 0) { 1851 mNotificationList.add(r); 1852 } else { 1853 old = mNotificationList.remove(index); 1854 mNotificationList.add(index, r); 1855 // Make sure we don't lose the foreground service state. 1856 if (old != null) { 1857 notification.flags |= 1858 old.getNotification().flags & Notification.FLAG_FOREGROUND_SERVICE; 1859 } 1860 } 1861 if (old != null) { 1862 mNotificationsByKey.remove(old.sbn.getKey()); 1863 } 1864 mNotificationsByKey.put(n.getKey(), r); 1865 1866 // Ensure if this is a foreground service that the proper additional 1867 // flags are set. 1868 if ((notification.flags&Notification.FLAG_FOREGROUND_SERVICE) != 0) { 1869 notification.flags |= Notification.FLAG_ONGOING_EVENT 1870 | Notification.FLAG_NO_CLEAR; 1871 } 1872 1873 final int currentUser; 1874 final long token = Binder.clearCallingIdentity(); 1875 try { 1876 currentUser = ActivityManager.getCurrentUser(); 1877 } finally { 1878 Binder.restoreCallingIdentity(token); 1879 } 1880 1881 if (notification.icon != 0) { 1882 if (old != null && old.statusBarKey != null) { 1883 r.statusBarKey = old.statusBarKey; 1884 final long identity = Binder.clearCallingIdentity(); 1885 try { 1886 mStatusBar.updateNotification(r.statusBarKey, n); 1887 } finally { 1888 Binder.restoreCallingIdentity(identity); 1889 } 1890 } else { 1891 final long identity = Binder.clearCallingIdentity(); 1892 try { 1893 r.statusBarKey = mStatusBar.addNotification(n); 1894 if ((n.getNotification().flags & Notification.FLAG_SHOW_LIGHTS) != 0 1895 && canInterrupt) { 1896 mAttentionLight.pulse(); 1897 } 1898 } finally { 1899 Binder.restoreCallingIdentity(identity); 1900 } 1901 } 1902 // Send accessibility events only for the current user. 1903 if (currentUser == userId) { 1904 sendAccessibilityEvent(notification, pkg); 1905 } 1906 1907 notifyPostedLocked(r); 1908 } else { 1909 Slog.e(TAG, "Not posting notification with icon==0: " + notification); 1910 if (old != null && old.statusBarKey != null) { 1911 final long identity = Binder.clearCallingIdentity(); 1912 try { 1913 mStatusBar.removeNotification(old.statusBarKey); 1914 } finally { 1915 Binder.restoreCallingIdentity(identity); 1916 } 1917 1918 notifyRemovedLocked(r); 1919 } 1920 // ATTENTION: in a future release we will bail out here 1921 // so that we do not play sounds, show lights, etc. for invalid 1922 // notifications 1923 Slog.e(TAG, "WARNING: In a future release this will crash the app: " 1924 + n.getPackageName()); 1925 } 1926 1927 // If we're not supposed to beep, vibrate, etc. then don't. 1928 if (((mDisabledNotifications 1929 & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) == 0) 1930 && (!(old != null 1931 && (notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0 )) 1932 && (r.getUserId() == UserHandle.USER_ALL || 1933 (r.getUserId() == userId && r.getUserId() == currentUser)) 1934 && canInterrupt 1935 && mSystemReady 1936 && mAudioManager != null) { 1937 1938 // sound 1939 1940 // should we use the default notification sound? (indicated either by 1941 // DEFAULT_SOUND or because notification.sound is pointing at 1942 // Settings.System.NOTIFICATION_SOUND) 1943 final boolean useDefaultSound = 1944 (notification.defaults & Notification.DEFAULT_SOUND) != 0 || 1945 Settings.System.DEFAULT_NOTIFICATION_URI 1946 .equals(notification.sound); 1947 1948 Uri soundUri = null; 1949 boolean hasValidSound = false; 1950 1951 if (useDefaultSound) { 1952 soundUri = Settings.System.DEFAULT_NOTIFICATION_URI; 1953 1954 // check to see if the default notification sound is silent 1955 ContentResolver resolver = getContext().getContentResolver(); 1956 hasValidSound = Settings.System.getString(resolver, 1957 Settings.System.NOTIFICATION_SOUND) != null; 1958 } else if (notification.sound != null) { 1959 soundUri = notification.sound; 1960 hasValidSound = (soundUri != null); 1961 } 1962 1963 if (hasValidSound) { 1964 boolean looping = 1965 (notification.flags & Notification.FLAG_INSISTENT) != 0; 1966 int audioStreamType; 1967 if (notification.audioStreamType >= 0) { 1968 audioStreamType = notification.audioStreamType; 1969 } else { 1970 audioStreamType = DEFAULT_STREAM_TYPE; 1971 } 1972 mSoundNotification = r; 1973 // do not play notifications if stream volume is 0 (typically because 1974 // ringer mode is silent) or if there is a user of exclusive audio focus 1975 if ((mAudioManager.getStreamVolume(audioStreamType) != 0) 1976 && !mAudioManager.isAudioFocusExclusive()) { 1977 final long identity = Binder.clearCallingIdentity(); 1978 try { 1979 final IRingtonePlayer player = 1980 mAudioManager.getRingtonePlayer(); 1981 if (player != null) { 1982 player.playAsync(soundUri, user, looping, audioStreamType); 1983 } 1984 } catch (RemoteException e) { 1985 } finally { 1986 Binder.restoreCallingIdentity(identity); 1987 } 1988 } 1989 } 1990 1991 // vibrate 1992 // Does the notification want to specify its own vibration? 1993 final boolean hasCustomVibrate = notification.vibrate != null; 1994 1995 // new in 4.2: if there was supposed to be a sound and we're in vibrate 1996 // mode, and no other vibration is specified, we fall back to vibration 1997 final boolean convertSoundToVibration = 1998 !hasCustomVibrate 1999 && hasValidSound 2000 && (mAudioManager.getRingerMode() 2001 == AudioManager.RINGER_MODE_VIBRATE); 2002 2003 // The DEFAULT_VIBRATE flag trumps any custom vibration AND the fallback. 2004 final boolean useDefaultVibrate = 2005 (notification.defaults & Notification.DEFAULT_VIBRATE) != 0; 2006 2007 if ((useDefaultVibrate || convertSoundToVibration || hasCustomVibrate) 2008 && !(mAudioManager.getRingerMode() 2009 == AudioManager.RINGER_MODE_SILENT)) { 2010 mVibrateNotification = r; 2011 2012 if (useDefaultVibrate || convertSoundToVibration) { 2013 // Escalate privileges so we can use the vibrator even if the 2014 // notifying app does not have the VIBRATE permission. 2015 long identity = Binder.clearCallingIdentity(); 2016 try { 2017 mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), 2018 useDefaultVibrate ? mDefaultVibrationPattern 2019 : mFallbackVibrationPattern, 2020 ((notification.flags & Notification.FLAG_INSISTENT) != 0) 2021 ? 0: -1); 2022 } finally { 2023 Binder.restoreCallingIdentity(identity); 2024 } 2025 } else if (notification.vibrate.length > 1) { 2026 // If you want your own vibration pattern, you need the VIBRATE 2027 // permission 2028 mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), 2029 notification.vibrate, 2030 ((notification.flags & Notification.FLAG_INSISTENT) != 0) 2031 ? 0: -1); 2032 } 2033 } 2034 } 2035 2036 // light 2037 // the most recent thing gets the light 2038 mLights.remove(old); 2039 if (mLedNotification == old) { 2040 mLedNotification = null; 2041 } 2042 //Slog.i(TAG, "notification.lights=" 2043 // + ((old.notification.lights.flags & Notification.FLAG_SHOW_LIGHTS) 2044 // != 0)); 2045 if ((notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0 2046 && canInterrupt) { 2047 mLights.add(r); 2048 updateLightsLocked(); 2049 } else { 2050 if (old != null 2051 && ((old.getFlags() & Notification.FLAG_SHOW_LIGHTS) != 0)) { 2052 updateLightsLocked(); 2053 } 2054 } 2055 } 2056 } 2057 }); 2058 2059 idOut[0] = id; 2060 } 2061 2062 void registerListenerImpl(final INotificationListener listener, 2063 final ComponentName component, final int userid) { 2064 synchronized (mNotificationList) { 2065 try { 2066 NotificationListenerInfo info 2067 = new NotificationListenerInfo(listener, component, userid, true); 2068 listener.asBinder().linkToDeath(info, 0); 2069 mListeners.add(info); 2070 } catch (RemoteException e) { 2071 // already dead 2072 } 2073 } 2074 } 2075 2076 /** 2077 * Removes a listener from the list and unbinds from its service. 2078 */ 2079 void unregisterListenerImpl(final INotificationListener listener, final int userid) { 2080 NotificationListenerInfo info = removeListenerImpl(listener, userid); 2081 if (info != null && info.connection != null) { 2082 getContext().unbindService(info.connection); 2083 } 2084 } 2085 2086 /** 2087 * Removes a listener from the list but does not unbind from the listener's service. 2088 * 2089 * @return the removed listener. 2090 */ 2091 NotificationListenerInfo removeListenerImpl( 2092 final INotificationListener listener, final int userid) { 2093 NotificationListenerInfo listenerInfo = null; 2094 synchronized (mNotificationList) { 2095 final int N = mListeners.size(); 2096 for (int i=N-1; i>=0; i--) { 2097 final NotificationListenerInfo info = mListeners.get(i); 2098 if (info.listener.asBinder() == listener.asBinder() 2099 && info.userid == userid) { 2100 listenerInfo = mListeners.remove(i); 2101 } 2102 } 2103 } 2104 return listenerInfo; 2105 } 2106 2107 void showNextToastLocked() { 2108 ToastRecord record = mToastQueue.get(0); 2109 while (record != null) { 2110 if (DBG) Slog.d(TAG, "Show pkg=" + record.pkg + " callback=" + record.callback); 2111 try { 2112 record.callback.show(); 2113 scheduleTimeoutLocked(record); 2114 return; 2115 } catch (RemoteException e) { 2116 Slog.w(TAG, "Object died trying to show notification " + record.callback 2117 + " in package " + record.pkg); 2118 // remove it from the list and let the process die 2119 int index = mToastQueue.indexOf(record); 2120 if (index >= 0) { 2121 mToastQueue.remove(index); 2122 } 2123 keepProcessAliveLocked(record.pid); 2124 if (mToastQueue.size() > 0) { 2125 record = mToastQueue.get(0); 2126 } else { 2127 record = null; 2128 } 2129 } 2130 } 2131 } 2132 2133 void cancelToastLocked(int index) { 2134 ToastRecord record = mToastQueue.get(index); 2135 try { 2136 record.callback.hide(); 2137 } catch (RemoteException e) { 2138 Slog.w(TAG, "Object died trying to hide notification " + record.callback 2139 + " in package " + record.pkg); 2140 // don't worry about this, we're about to remove it from 2141 // the list anyway 2142 } 2143 mToastQueue.remove(index); 2144 keepProcessAliveLocked(record.pid); 2145 if (mToastQueue.size() > 0) { 2146 // Show the next one. If the callback fails, this will remove 2147 // it from the list, so don't assume that the list hasn't changed 2148 // after this point. 2149 showNextToastLocked(); 2150 } 2151 } 2152 2153 private void scheduleTimeoutLocked(ToastRecord r) 2154 { 2155 mHandler.removeCallbacksAndMessages(r); 2156 Message m = Message.obtain(mHandler, MESSAGE_TIMEOUT, r); 2157 long delay = r.duration == Toast.LENGTH_LONG ? LONG_DELAY : SHORT_DELAY; 2158 mHandler.sendMessageDelayed(m, delay); 2159 } 2160 2161 private void handleTimeout(ToastRecord record) 2162 { 2163 if (DBG) Slog.d(TAG, "Timeout pkg=" + record.pkg + " callback=" + record.callback); 2164 synchronized (mToastQueue) { 2165 int index = indexOfToastLocked(record.pkg, record.callback); 2166 if (index >= 0) { 2167 cancelToastLocked(index); 2168 } 2169 } 2170 } 2171 2172 // lock on mToastQueue 2173 int indexOfToastLocked(String pkg, ITransientNotification callback) 2174 { 2175 IBinder cbak = callback.asBinder(); 2176 ArrayList<ToastRecord> list = mToastQueue; 2177 int len = list.size(); 2178 for (int i=0; i<len; i++) { 2179 ToastRecord r = list.get(i); 2180 if (r.pkg.equals(pkg) && r.callback.asBinder() == cbak) { 2181 return i; 2182 } 2183 } 2184 return -1; 2185 } 2186 2187 // lock on mToastQueue 2188 void keepProcessAliveLocked(int pid) 2189 { 2190 int toastCount = 0; // toasts from this pid 2191 ArrayList<ToastRecord> list = mToastQueue; 2192 int N = list.size(); 2193 for (int i=0; i<N; i++) { 2194 ToastRecord r = list.get(i); 2195 if (r.pid == pid) { 2196 toastCount++; 2197 } 2198 } 2199 try { 2200 mAm.setProcessForeground(mForegroundToken, pid, toastCount > 0); 2201 } catch (RemoteException e) { 2202 // Shouldn't happen. 2203 } 2204 } 2205 2206 private final class WorkerHandler extends Handler 2207 { 2208 @Override 2209 public void handleMessage(Message msg) 2210 { 2211 switch (msg.what) 2212 { 2213 case MESSAGE_TIMEOUT: 2214 handleTimeout((ToastRecord)msg.obj); 2215 break; 2216 } 2217 } 2218 } 2219 2220 2221 // Notifications 2222 // ============================================================================ 2223 static int clamp(int x, int low, int high) { 2224 return (x < low) ? low : ((x > high) ? high : x); 2225 } 2226 2227 void sendAccessibilityEvent(Notification notification, CharSequence packageName) { 2228 AccessibilityManager manager = AccessibilityManager.getInstance(getContext()); 2229 if (!manager.isEnabled()) { 2230 return; 2231 } 2232 2233 AccessibilityEvent event = 2234 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); 2235 event.setPackageName(packageName); 2236 event.setClassName(Notification.class.getName()); 2237 event.setParcelableData(notification); 2238 CharSequence tickerText = notification.tickerText; 2239 if (!TextUtils.isEmpty(tickerText)) { 2240 event.getText().add(tickerText); 2241 } 2242 2243 manager.sendAccessibilityEvent(event); 2244 } 2245 2246 private void cancelNotificationLocked(NotificationRecord r, boolean sendDelete) { 2247 // tell the app 2248 if (sendDelete) { 2249 if (r.getNotification().deleteIntent != null) { 2250 try { 2251 r.getNotification().deleteIntent.send(); 2252 } catch (PendingIntent.CanceledException ex) { 2253 // do nothing - there's no relevant way to recover, and 2254 // no reason to let this propagate 2255 Slog.w(TAG, "canceled PendingIntent for " + r.sbn.getPackageName(), ex); 2256 } 2257 } 2258 } 2259 2260 // status bar 2261 if (r.getNotification().icon != 0) { 2262 final long identity = Binder.clearCallingIdentity(); 2263 try { 2264 mStatusBar.removeNotification(r.statusBarKey); 2265 } finally { 2266 Binder.restoreCallingIdentity(identity); 2267 } 2268 r.statusBarKey = null; 2269 notifyRemovedLocked(r); 2270 } 2271 2272 // sound 2273 if (mSoundNotification == r) { 2274 mSoundNotification = null; 2275 final long identity = Binder.clearCallingIdentity(); 2276 try { 2277 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 2278 if (player != null) { 2279 player.stopAsync(); 2280 } 2281 } catch (RemoteException e) { 2282 } finally { 2283 Binder.restoreCallingIdentity(identity); 2284 } 2285 } 2286 2287 // vibrate 2288 if (mVibrateNotification == r) { 2289 mVibrateNotification = null; 2290 long identity = Binder.clearCallingIdentity(); 2291 try { 2292 mVibrator.cancel(); 2293 } 2294 finally { 2295 Binder.restoreCallingIdentity(identity); 2296 } 2297 } 2298 2299 // light 2300 mLights.remove(r); 2301 if (mLedNotification == r) { 2302 mLedNotification = null; 2303 } 2304 2305 // Save it for users of getHistoricalNotifications() 2306 mArchive.record(r.sbn); 2307 } 2308 2309 /** 2310 * Cancels a notification ONLY if it has all of the {@code mustHaveFlags} 2311 * and none of the {@code mustNotHaveFlags}. 2312 */ 2313 void cancelNotification(final String pkg, final String tag, final int id, 2314 final int mustHaveFlags, final int mustNotHaveFlags, final boolean sendDelete, 2315 final int userId) { 2316 // In enqueueNotificationInternal notifications are added by scheduling the 2317 // work on the worker handler. Hence, we also schedule the cancel on this 2318 // handler to avoid a scenario where an add notification call followed by a 2319 // remove notification call ends up in not removing the notification. 2320 mHandler.post(new Runnable() { 2321 @Override 2322 public void run() { 2323 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL, pkg, id, tag, userId, 2324 mustHaveFlags, mustNotHaveFlags); 2325 2326 synchronized (mNotificationList) { 2327 int index = indexOfNotificationLocked(pkg, tag, id, userId); 2328 if (index >= 0) { 2329 NotificationRecord r = mNotificationList.get(index); 2330 2331 if ((r.getNotification().flags & mustHaveFlags) != mustHaveFlags) { 2332 return; 2333 } 2334 if ((r.getNotification().flags & mustNotHaveFlags) != 0) { 2335 return; 2336 } 2337 2338 mNotificationList.remove(index); 2339 mNotificationsByKey.remove(r.sbn.getKey()); 2340 2341 cancelNotificationLocked(r, sendDelete); 2342 updateLightsLocked(); 2343 } 2344 } 2345 } 2346 }); 2347 } 2348 2349 /** 2350 * Determine whether the userId applies to the notification in question, either because 2351 * they match exactly, or one of them is USER_ALL (which is treated as a wildcard). 2352 */ 2353 private boolean notificationMatchesUserId(NotificationRecord r, int userId) { 2354 return 2355 // looking for USER_ALL notifications? match everything 2356 userId == UserHandle.USER_ALL 2357 // a notification sent to USER_ALL matches any query 2358 || r.getUserId() == UserHandle.USER_ALL 2359 // an exact user match 2360 || r.getUserId() == userId; 2361 } 2362 2363 /** 2364 * Cancels all notifications from a given package that have all of the 2365 * {@code mustHaveFlags}. 2366 */ 2367 boolean cancelAllNotificationsInt(String pkg, int mustHaveFlags, 2368 int mustNotHaveFlags, boolean doit, int userId) { 2369 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL_ALL, pkg, userId, 2370 mustHaveFlags, mustNotHaveFlags); 2371 2372 synchronized (mNotificationList) { 2373 final int N = mNotificationList.size(); 2374 boolean canceledSomething = false; 2375 for (int i = N-1; i >= 0; --i) { 2376 NotificationRecord r = mNotificationList.get(i); 2377 if (!notificationMatchesUserId(r, userId)) { 2378 continue; 2379 } 2380 // Don't remove notifications to all, if there's no package name specified 2381 if (r.getUserId() == UserHandle.USER_ALL && pkg == null) { 2382 continue; 2383 } 2384 if ((r.getFlags() & mustHaveFlags) != mustHaveFlags) { 2385 continue; 2386 } 2387 if ((r.getFlags() & mustNotHaveFlags) != 0) { 2388 continue; 2389 } 2390 if (pkg != null && !r.sbn.getPackageName().equals(pkg)) { 2391 continue; 2392 } 2393 canceledSomething = true; 2394 if (!doit) { 2395 return true; 2396 } 2397 mNotificationList.remove(i); 2398 mNotificationsByKey.remove(r.sbn.getKey()); 2399 cancelNotificationLocked(r, false); 2400 } 2401 if (canceledSomething) { 2402 updateLightsLocked(); 2403 } 2404 return canceledSomething; 2405 } 2406 } 2407 2408 2409 2410 // Return true if the UID is a system or phone UID and therefore should not have 2411 // any notifications or toasts blocked. 2412 boolean isUidSystem(int uid) { 2413 final int appid = UserHandle.getAppId(uid); 2414 return (appid == Process.SYSTEM_UID || appid == Process.PHONE_UID || uid == 0); 2415 } 2416 2417 // same as isUidSystem(int, int) for the Binder caller's UID. 2418 boolean isCallerSystem() { 2419 return isUidSystem(Binder.getCallingUid()); 2420 } 2421 2422 void checkCallerIsSystem() { 2423 if (isCallerSystem()) { 2424 return; 2425 } 2426 throw new SecurityException("Disallowed call for uid " + Binder.getCallingUid()); 2427 } 2428 2429 void checkCallerIsSystemOrSameApp(String pkg) { 2430 if (isCallerSystem()) { 2431 return; 2432 } 2433 final int uid = Binder.getCallingUid(); 2434 try { 2435 ApplicationInfo ai = AppGlobals.getPackageManager().getApplicationInfo( 2436 pkg, 0, UserHandle.getCallingUserId()); 2437 if (!UserHandle.isSameApp(ai.uid, uid)) { 2438 throw new SecurityException("Calling uid " + uid + " gave package" 2439 + pkg + " which is owned by uid " + ai.uid); 2440 } 2441 } catch (RemoteException re) { 2442 throw new SecurityException("Unknown package " + pkg + "\n" + re); 2443 } 2444 } 2445 2446 void cancelAllLocked(int userId) { 2447 final int N = mNotificationList.size(); 2448 for (int i=N-1; i>=0; i--) { 2449 NotificationRecord r = mNotificationList.get(i); 2450 2451 if (!notificationMatchesUserId(r, userId)) { 2452 continue; 2453 } 2454 2455 if ((r.getFlags() & (Notification.FLAG_ONGOING_EVENT 2456 | Notification.FLAG_NO_CLEAR)) == 0) { 2457 mNotificationList.remove(i); 2458 mNotificationsByKey.remove(r.sbn.getKey()); 2459 cancelNotificationLocked(r, true); 2460 } 2461 } 2462 2463 updateLightsLocked(); 2464 } 2465 2466 // lock on mNotificationList 2467 void updateLightsLocked() 2468 { 2469 // handle notification lights 2470 if (mLedNotification == null) { 2471 // get next notification, if any 2472 int n = mLights.size(); 2473 if (n > 0) { 2474 mLedNotification = mLights.get(n-1); 2475 } 2476 } 2477 2478 // Don't flash while we are in a call or screen is on 2479 if (mLedNotification == null || mInCall || mScreenOn) { 2480 mNotificationLight.turnOff(); 2481 } else { 2482 final Notification ledno = mLedNotification.sbn.getNotification(); 2483 int ledARGB = ledno.ledARGB; 2484 int ledOnMS = ledno.ledOnMS; 2485 int ledOffMS = ledno.ledOffMS; 2486 if ((ledno.defaults & Notification.DEFAULT_LIGHTS) != 0) { 2487 ledARGB = mDefaultNotificationColor; 2488 ledOnMS = mDefaultNotificationLedOn; 2489 ledOffMS = mDefaultNotificationLedOff; 2490 } 2491 if (mNotificationPulseEnabled) { 2492 // pulse repeatedly 2493 mNotificationLight.setFlashing(ledARGB, Light.LIGHT_FLASH_TIMED, 2494 ledOnMS, ledOffMS); 2495 } 2496 } 2497 } 2498 2499 // lock on mNotificationList 2500 int indexOfNotificationLocked(String pkg, String tag, int id, int userId) 2501 { 2502 ArrayList<NotificationRecord> list = mNotificationList; 2503 final int len = list.size(); 2504 for (int i=0; i<len; i++) { 2505 NotificationRecord r = list.get(i); 2506 if (!notificationMatchesUserId(r, userId) || r.sbn.getId() != id) { 2507 continue; 2508 } 2509 if (tag == null) { 2510 if (r.sbn.getTag() != null) { 2511 continue; 2512 } 2513 } else { 2514 if (!tag.equals(r.sbn.getTag())) { 2515 continue; 2516 } 2517 } 2518 if (r.sbn.getPackageName().equals(pkg)) { 2519 return i; 2520 } 2521 } 2522 return -1; 2523 } 2524 2525 private void updateNotificationPulse() { 2526 synchronized (mNotificationList) { 2527 updateLightsLocked(); 2528 } 2529 } 2530} 2531