NotificationManagerService.java revision cab8617b8ccea3a99b1ee15e15915c512a10c738
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.AtomicFile; 67import android.util.EventLog; 68import android.util.Log; 69import android.util.Slog; 70import android.util.Xml; 71import android.view.accessibility.AccessibilityEvent; 72import android.view.accessibility.AccessibilityManager; 73import android.widget.Toast; 74 75import com.android.internal.R; 76 77import com.android.internal.notification.NotificationScorer; 78import com.android.server.EventLogTags; 79import com.android.server.statusbar.StatusBarManagerInternal; 80import com.android.server.SystemService; 81import com.android.server.lights.Light; 82import com.android.server.lights.LightsManager; 83 84import org.xmlpull.v1.XmlPullParser; 85import org.xmlpull.v1.XmlPullParserException; 86 87import java.io.File; 88import java.io.FileDescriptor; 89import java.io.FileInputStream; 90import java.io.FileNotFoundException; 91import java.io.IOException; 92import java.io.PrintWriter; 93import java.lang.reflect.Array; 94import java.util.ArrayDeque; 95import java.util.ArrayList; 96import java.util.Arrays; 97import java.util.HashSet; 98import java.util.Iterator; 99import java.util.List; 100import java.util.NoSuchElementException; 101import java.util.Set; 102 103import libcore.io.IoUtils; 104 105/** {@hide} */ 106public class NotificationManagerService extends SystemService { 107 static final String TAG = "NotificationService"; 108 static final boolean DBG = false; 109 110 static final int MAX_PACKAGE_NOTIFICATIONS = 50; 111 112 // message codes 113 static final int MESSAGE_TIMEOUT = 2; 114 115 static final int LONG_DELAY = 3500; // 3.5 seconds 116 static final int SHORT_DELAY = 2000; // 2 seconds 117 118 static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250}; 119 static final int VIBRATE_PATTERN_MAXLEN = 8 * 2 + 1; // up to eight bumps 120 121 static final int DEFAULT_STREAM_TYPE = AudioManager.STREAM_NOTIFICATION; 122 static final boolean SCORE_ONGOING_HIGHER = false; 123 124 static final int JUNK_SCORE = -1000; 125 static final int NOTIFICATION_PRIORITY_MULTIPLIER = 10; 126 static final int SCORE_DISPLAY_THRESHOLD = Notification.PRIORITY_MIN * NOTIFICATION_PRIORITY_MULTIPLIER; 127 128 // Notifications with scores below this will not interrupt the user, either via LED or 129 // sound or vibration 130 static final int SCORE_INTERRUPTION_THRESHOLD = 131 Notification.PRIORITY_LOW * NOTIFICATION_PRIORITY_MULTIPLIER; 132 133 static final boolean ENABLE_BLOCKED_NOTIFICATIONS = true; 134 static final boolean ENABLE_BLOCKED_TOASTS = true; 135 136 static final String ENABLED_NOTIFICATION_LISTENERS_SEPARATOR = ":"; 137 138 private IActivityManager mAm; 139 AudioManager mAudioManager; 140 StatusBarManagerInternal mStatusBar; 141 Vibrator mVibrator; 142 143 final IBinder mForegroundToken = new Binder(); 144 private WorkerHandler mHandler; 145 146 private Light mNotificationLight; 147 Light mAttentionLight; 148 private int mDefaultNotificationColor; 149 private int mDefaultNotificationLedOn; 150 151 private int mDefaultNotificationLedOff; 152 private long[] mDefaultVibrationPattern; 153 154 private long[] mFallbackVibrationPattern; 155 boolean mSystemReady; 156 157 int mDisabledNotifications; 158 NotificationRecord mSoundNotification; 159 NotificationRecord mVibrateNotification; 160 161 // for enabling and disabling notification pulse behavior 162 private boolean mScreenOn = true; 163 private boolean mInCall = false; 164 private boolean mNotificationPulseEnabled; 165 166 // used as a mutex for access to all active notifications & listeners 167 final ArrayList<NotificationRecord> mNotificationList = 168 new ArrayList<NotificationRecord>(); 169 170 final ArrayList<ToastRecord> mToastQueue = new ArrayList<ToastRecord>(); 171 172 ArrayList<NotificationRecord> mLights = new ArrayList<NotificationRecord>(); 173 NotificationRecord mLedNotification; 174 175 private AppOpsManager mAppOps; 176 177 // contains connections to all connected listeners, including app services 178 // and system listeners 179 private ArrayList<NotificationListenerInfo> mListeners 180 = new ArrayList<NotificationListenerInfo>(); 181 // things that will be put into mListeners as soon as they're ready 182 private ArrayList<String> mServicesBinding = new ArrayList<String>(); 183 // lists the component names of all enabled (and therefore connected) listener 184 // app services for the current user only 185 private HashSet<ComponentName> mEnabledListenersForCurrentUser 186 = new HashSet<ComponentName>(); 187 // Just the packages from mEnabledListenersForCurrentUser 188 private HashSet<String> mEnabledListenerPackageNames = new HashSet<String>(); 189 190 // Notification control database. For now just contains disabled packages. 191 private AtomicFile mPolicyFile; 192 private HashSet<String> mBlockedPackages = new HashSet<String>(); 193 194 private static final int DB_VERSION = 1; 195 196 private static final String TAG_BODY = "notification-policy"; 197 private static final String ATTR_VERSION = "version"; 198 199 private static final String TAG_BLOCKED_PKGS = "blocked-packages"; 200 private static final String TAG_PACKAGE = "package"; 201 private static final String ATTR_NAME = "name"; 202 203 final ArrayList<NotificationScorer> mScorers = new ArrayList<NotificationScorer>(); 204 205 private class NotificationListenerInfo implements IBinder.DeathRecipient { 206 INotificationListener listener; 207 ComponentName component; 208 int userid; 209 boolean isSystem; 210 ServiceConnection connection; 211 212 public NotificationListenerInfo(INotificationListener listener, ComponentName component, 213 int userid, boolean isSystem) { 214 this.listener = listener; 215 this.component = component; 216 this.userid = userid; 217 this.isSystem = isSystem; 218 this.connection = null; 219 } 220 221 public NotificationListenerInfo(INotificationListener listener, ComponentName component, 222 int userid, ServiceConnection connection) { 223 this.listener = listener; 224 this.component = component; 225 this.userid = userid; 226 this.isSystem = false; 227 this.connection = connection; 228 } 229 230 boolean enabledAndUserMatches(StatusBarNotification sbn) { 231 final int nid = sbn.getUserId(); 232 if (!isEnabledForCurrentUser()) { 233 return false; 234 } 235 if (this.userid == UserHandle.USER_ALL) return true; 236 return (nid == UserHandle.USER_ALL || nid == this.userid); 237 } 238 239 public void notifyPostedIfUserMatch(StatusBarNotification sbn) { 240 if (!enabledAndUserMatches(sbn)) { 241 return; 242 } 243 try { 244 listener.onNotificationPosted(sbn); 245 } catch (RemoteException ex) { 246 Log.e(TAG, "unable to notify listener (posted): " + listener, ex); 247 } 248 } 249 250 public void notifyRemovedIfUserMatch(StatusBarNotification sbn) { 251 if (!enabledAndUserMatches(sbn)) return; 252 try { 253 listener.onNotificationRemoved(sbn); 254 } catch (RemoteException ex) { 255 Log.e(TAG, "unable to notify listener (removed): " + listener, ex); 256 } 257 } 258 259 @Override 260 public void binderDied() { 261 if (connection == null) { 262 // This is not a service; it won't be recreated. We can give up this connection. 263 unregisterListenerImpl(this.listener, this.userid); 264 } 265 } 266 267 /** convenience method for looking in mEnabledListenersForCurrentUser */ 268 public boolean isEnabledForCurrentUser() { 269 if (this.isSystem) return true; 270 if (this.connection == null) return false; 271 return mEnabledListenersForCurrentUser.contains(this.component); 272 } 273 } 274 275 private static class Archive { 276 static final int BUFFER_SIZE = 250; 277 ArrayDeque<StatusBarNotification> mBuffer = new ArrayDeque<StatusBarNotification>(BUFFER_SIZE); 278 279 public Archive() { 280 } 281 282 public String toString() { 283 final StringBuilder sb = new StringBuilder(); 284 final int N = mBuffer.size(); 285 sb.append("Archive ("); 286 sb.append(N); 287 sb.append(" notification"); 288 sb.append((N==1)?")":"s)"); 289 return sb.toString(); 290 } 291 292 public void record(StatusBarNotification nr) { 293 if (mBuffer.size() == BUFFER_SIZE) { 294 mBuffer.removeFirst(); 295 } 296 297 // We don't want to store the heavy bits of the notification in the archive, 298 // but other clients in the system process might be using the object, so we 299 // store a (lightened) copy. 300 mBuffer.addLast(nr.cloneLight()); 301 } 302 303 304 public void clear() { 305 mBuffer.clear(); 306 } 307 308 public Iterator<StatusBarNotification> descendingIterator() { 309 return mBuffer.descendingIterator(); 310 } 311 public Iterator<StatusBarNotification> ascendingIterator() { 312 return mBuffer.iterator(); 313 } 314 public Iterator<StatusBarNotification> filter( 315 final Iterator<StatusBarNotification> iter, final String pkg, final int userId) { 316 return new Iterator<StatusBarNotification>() { 317 StatusBarNotification mNext = findNext(); 318 319 private StatusBarNotification findNext() { 320 while (iter.hasNext()) { 321 StatusBarNotification nr = iter.next(); 322 if ((pkg == null || nr.getPackageName() == pkg) 323 && (userId == UserHandle.USER_ALL || nr.getUserId() == userId)) { 324 return nr; 325 } 326 } 327 return null; 328 } 329 330 @Override 331 public boolean hasNext() { 332 return mNext == null; 333 } 334 335 @Override 336 public StatusBarNotification next() { 337 StatusBarNotification next = mNext; 338 if (next == null) { 339 throw new NoSuchElementException(); 340 } 341 mNext = findNext(); 342 return next; 343 } 344 345 @Override 346 public void remove() { 347 iter.remove(); 348 } 349 }; 350 } 351 352 public StatusBarNotification[] getArray(int count) { 353 if (count == 0) count = Archive.BUFFER_SIZE; 354 final StatusBarNotification[] a 355 = new StatusBarNotification[Math.min(count, mBuffer.size())]; 356 Iterator<StatusBarNotification> iter = descendingIterator(); 357 int i=0; 358 while (iter.hasNext() && i < count) { 359 a[i++] = iter.next(); 360 } 361 return a; 362 } 363 364 public StatusBarNotification[] getArray(int count, String pkg, int userId) { 365 if (count == 0) count = Archive.BUFFER_SIZE; 366 final StatusBarNotification[] a 367 = new StatusBarNotification[Math.min(count, mBuffer.size())]; 368 Iterator<StatusBarNotification> iter = filter(descendingIterator(), pkg, userId); 369 int i=0; 370 while (iter.hasNext() && i < count) { 371 a[i++] = iter.next(); 372 } 373 return a; 374 } 375 376 } 377 378 Archive mArchive = new Archive(); 379 380 private void loadBlockDb() { 381 synchronized(mBlockedPackages) { 382 if (mPolicyFile == null) { 383 File dir = new File("/data/system"); 384 mPolicyFile = new AtomicFile(new File(dir, "notification_policy.xml")); 385 386 mBlockedPackages.clear(); 387 388 FileInputStream infile = null; 389 try { 390 infile = mPolicyFile.openRead(); 391 final XmlPullParser parser = Xml.newPullParser(); 392 parser.setInput(infile, null); 393 394 int type; 395 String tag; 396 int version = DB_VERSION; 397 while ((type = parser.next()) != END_DOCUMENT) { 398 tag = parser.getName(); 399 if (type == START_TAG) { 400 if (TAG_BODY.equals(tag)) { 401 version = Integer.parseInt( 402 parser.getAttributeValue(null, ATTR_VERSION)); 403 } else if (TAG_BLOCKED_PKGS.equals(tag)) { 404 while ((type = parser.next()) != END_DOCUMENT) { 405 tag = parser.getName(); 406 if (TAG_PACKAGE.equals(tag)) { 407 mBlockedPackages.add( 408 parser.getAttributeValue(null, ATTR_NAME)); 409 } else if (TAG_BLOCKED_PKGS.equals(tag) && type == END_TAG) { 410 break; 411 } 412 } 413 } 414 } 415 } 416 } catch (FileNotFoundException e) { 417 // No data yet 418 } catch (IOException e) { 419 Log.wtf(TAG, "Unable to read blocked notifications database", e); 420 } catch (NumberFormatException e) { 421 Log.wtf(TAG, "Unable to parse blocked notifications database", e); 422 } catch (XmlPullParserException e) { 423 Log.wtf(TAG, "Unable to parse blocked notifications database", e); 424 } finally { 425 IoUtils.closeQuietly(infile); 426 } 427 } 428 } 429 } 430 431 /** Use this when you actually want to post a notification or toast. 432 * 433 * Unchecked. Not exposed via Binder, but can be called in the course of enqueue*(). 434 */ 435 private boolean noteNotificationOp(String pkg, int uid) { 436 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) 437 != AppOpsManager.MODE_ALLOWED) { 438 Slog.v(TAG, "notifications are disabled by AppOps for " + pkg); 439 return false; 440 } 441 return true; 442 } 443 444 private static String idDebugString(Context baseContext, String packageName, int id) { 445 Context c = null; 446 447 if (packageName != null) { 448 try { 449 c = baseContext.createPackageContext(packageName, 0); 450 } catch (NameNotFoundException e) { 451 c = baseContext; 452 } 453 } else { 454 c = baseContext; 455 } 456 457 String pkg; 458 String type; 459 String name; 460 461 Resources r = c.getResources(); 462 try { 463 return r.getResourceName(id); 464 } catch (Resources.NotFoundException e) { 465 return "<name unknown>"; 466 } 467 } 468 469 470 /** 471 * Remove notification access for any services that no longer exist. 472 */ 473 void disableNonexistentListeners() { 474 int currentUser = ActivityManager.getCurrentUser(); 475 String flatIn = Settings.Secure.getStringForUser( 476 getContext().getContentResolver(), 477 Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, 478 currentUser); 479 if (!TextUtils.isEmpty(flatIn)) { 480 if (DBG) Slog.v(TAG, "flat before: " + flatIn); 481 PackageManager pm = getContext().getPackageManager(); 482 List<ResolveInfo> installedServices = pm.queryIntentServicesAsUser( 483 new Intent(NotificationListenerService.SERVICE_INTERFACE), 484 PackageManager.GET_SERVICES | PackageManager.GET_META_DATA, 485 currentUser); 486 487 Set<ComponentName> installed = new HashSet<ComponentName>(); 488 for (int i = 0, count = installedServices.size(); i < count; i++) { 489 ResolveInfo resolveInfo = installedServices.get(i); 490 ServiceInfo info = resolveInfo.serviceInfo; 491 492 if (!android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE.equals( 493 info.permission)) { 494 Slog.w(TAG, "Skipping notification listener service " 495 + info.packageName + "/" + info.name 496 + ": it does not require the permission " 497 + android.Manifest.permission.BIND_NOTIFICATION_LISTENER_SERVICE); 498 continue; 499 } 500 installed.add(new ComponentName(info.packageName, info.name)); 501 } 502 503 String flatOut = ""; 504 if (!installed.isEmpty()) { 505 String[] enabled = flatIn.split(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR); 506 ArrayList<String> remaining = new ArrayList<String>(enabled.length); 507 for (int i = 0; i < enabled.length; i++) { 508 ComponentName enabledComponent = ComponentName.unflattenFromString(enabled[i]); 509 if (installed.contains(enabledComponent)) { 510 remaining.add(enabled[i]); 511 } 512 } 513 flatOut = TextUtils.join(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR, remaining); 514 } 515 if (DBG) Slog.v(TAG, "flat after: " + flatOut); 516 if (!flatIn.equals(flatOut)) { 517 Settings.Secure.putStringForUser(getContext().getContentResolver(), 518 Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, 519 flatOut, currentUser); 520 } 521 } 522 } 523 524 /** 525 * Called whenever packages change, the user switches, or ENABLED_NOTIFICATION_LISTENERS 526 * is altered. (For example in response to USER_SWITCHED in our broadcast receiver) 527 */ 528 void rebindListenerServices() { 529 final int currentUser = ActivityManager.getCurrentUser(); 530 String flat = Settings.Secure.getStringForUser( 531 getContext().getContentResolver(), 532 Settings.Secure.ENABLED_NOTIFICATION_LISTENERS, 533 currentUser); 534 535 NotificationListenerInfo[] toRemove = new NotificationListenerInfo[mListeners.size()]; 536 final ArrayList<ComponentName> toAdd; 537 538 synchronized (mNotificationList) { 539 // unbind and remove all existing listeners 540 toRemove = mListeners.toArray(toRemove); 541 542 toAdd = new ArrayList<ComponentName>(); 543 final HashSet<ComponentName> newEnabled = new HashSet<ComponentName>(); 544 final HashSet<String> newPackages = new HashSet<String>(); 545 546 // decode the list of components 547 if (flat != null) { 548 String[] components = flat.split(ENABLED_NOTIFICATION_LISTENERS_SEPARATOR); 549 for (int i=0; i<components.length; i++) { 550 final ComponentName component 551 = ComponentName.unflattenFromString(components[i]); 552 if (component != null) { 553 newEnabled.add(component); 554 toAdd.add(component); 555 newPackages.add(component.getPackageName()); 556 } 557 } 558 559 mEnabledListenersForCurrentUser = newEnabled; 560 mEnabledListenerPackageNames = newPackages; 561 } 562 } 563 564 for (NotificationListenerInfo info : toRemove) { 565 final ComponentName component = info.component; 566 final int oldUser = info.userid; 567 Slog.v(TAG, "disabling notification listener for user " + oldUser + ": " + component); 568 unregisterListenerService(component, info.userid); 569 } 570 571 final int N = toAdd.size(); 572 for (int i=0; i<N; i++) { 573 final ComponentName component = toAdd.get(i); 574 Slog.v(TAG, "enabling notification listener for user " + currentUser + ": " 575 + component); 576 registerListenerService(component, currentUser); 577 } 578 } 579 580 581 /** 582 * Version of registerListener that takes the name of a 583 * {@link android.service.notification.NotificationListenerService} to bind to. 584 * 585 * This is the mechanism by which third parties may subscribe to notifications. 586 */ 587 private void registerListenerService(final ComponentName name, final int userid) { 588 checkCallerIsSystem(); 589 590 if (DBG) Slog.v(TAG, "registerListenerService: " + name + " u=" + userid); 591 592 synchronized (mNotificationList) { 593 final String servicesBindingTag = name.toString() + "/" + userid; 594 if (mServicesBinding.contains(servicesBindingTag)) { 595 // stop registering this thing already! we're working on it 596 return; 597 } 598 mServicesBinding.add(servicesBindingTag); 599 600 final int N = mListeners.size(); 601 for (int i=N-1; i>=0; i--) { 602 final NotificationListenerInfo info = mListeners.get(i); 603 if (name.equals(info.component) 604 && info.userid == userid) { 605 // cut old connections 606 if (DBG) Slog.v(TAG, " disconnecting old listener: " + info.listener); 607 mListeners.remove(i); 608 if (info.connection != null) { 609 getContext().unbindService(info.connection); 610 } 611 } 612 } 613 614 Intent intent = new Intent(NotificationListenerService.SERVICE_INTERFACE); 615 intent.setComponent(name); 616 617 intent.putExtra(Intent.EXTRA_CLIENT_LABEL, 618 R.string.notification_listener_binding_label); 619 620 final PendingIntent pendingIntent = PendingIntent.getActivity( 621 getContext(), 0, new Intent(Settings.ACTION_NOTIFICATION_LISTENER_SETTINGS), 0); 622 intent.putExtra(Intent.EXTRA_CLIENT_INTENT, pendingIntent); 623 624 try { 625 if (DBG) Slog.v(TAG, "binding: " + intent); 626 if (!getContext().bindServiceAsUser(intent, 627 new ServiceConnection() { 628 INotificationListener mListener; 629 630 @Override 631 public void onServiceConnected(ComponentName name, IBinder service) { 632 synchronized (mNotificationList) { 633 mServicesBinding.remove(servicesBindingTag); 634 try { 635 mListener = INotificationListener.Stub.asInterface(service); 636 NotificationListenerInfo info 637 = new NotificationListenerInfo( 638 mListener, name, userid, this); 639 service.linkToDeath(info, 0); 640 mListeners.add(info); 641 } catch (RemoteException e) { 642 // already dead 643 } 644 } 645 } 646 647 @Override 648 public void onServiceDisconnected(ComponentName name) { 649 Slog.v(TAG, "notification listener connection lost: " + name); 650 } 651 }, 652 Context.BIND_AUTO_CREATE, 653 new UserHandle(userid))) 654 { 655 mServicesBinding.remove(servicesBindingTag); 656 Slog.w(TAG, "Unable to bind listener service: " + intent); 657 return; 658 } 659 } catch (SecurityException ex) { 660 Slog.e(TAG, "Unable to bind listener service: " + intent, ex); 661 return; 662 } 663 } 664 } 665 666 667 /** 668 * Remove a listener service for the given user by ComponentName 669 */ 670 private void unregisterListenerService(ComponentName name, int userid) { 671 checkCallerIsSystem(); 672 673 synchronized (mNotificationList) { 674 final int N = mListeners.size(); 675 for (int i=N-1; i>=0; i--) { 676 final NotificationListenerInfo info = mListeners.get(i); 677 if (name.equals(info.component) 678 && info.userid == userid) { 679 mListeners.remove(i); 680 if (info.connection != null) { 681 try { 682 getContext().unbindService(info.connection); 683 } catch (IllegalArgumentException ex) { 684 // something happened to the service: we think we have a connection 685 // but it's bogus. 686 Slog.e(TAG, "Listener " + name + " could not be unbound: " + ex); 687 } 688 } 689 } 690 } 691 } 692 } 693 694 /** 695 * asynchronously notify all listeners about a new notification 696 */ 697 void notifyPostedLocked(NotificationRecord n) { 698 // make a copy in case changes are made to the underlying Notification object 699 final StatusBarNotification sbn = n.sbn.clone(); 700 for (final NotificationListenerInfo info : mListeners) { 701 mHandler.post(new Runnable() { 702 @Override 703 public void run() { 704 info.notifyPostedIfUserMatch(sbn); 705 }}); 706 } 707 } 708 709 /** 710 * asynchronously notify all listeners about a removed notification 711 */ 712 void notifyRemovedLocked(NotificationRecord n) { 713 // make a copy in case changes are made to the underlying Notification object 714 // NOTE: this copy is lightweight: it doesn't include heavyweight parts of the notification 715 final StatusBarNotification sbn_light = n.sbn.cloneLight(); 716 717 for (final NotificationListenerInfo info : mListeners) { 718 mHandler.post(new Runnable() { 719 @Override 720 public void run() { 721 info.notifyRemovedIfUserMatch(sbn_light); 722 }}); 723 } 724 } 725 726 // -- APIs to support listeners clicking/clearing notifications -- 727 728 private NotificationListenerInfo checkListenerToken(INotificationListener listener) { 729 final IBinder token = listener.asBinder(); 730 final int N = mListeners.size(); 731 for (int i=0; i<N; i++) { 732 final NotificationListenerInfo info = mListeners.get(i); 733 if (info.listener.asBinder() == token) return info; 734 } 735 throw new SecurityException("Disallowed call from unknown listener: " + listener); 736 } 737 738 739 740 // -- end of listener APIs -- 741 742 public static final class NotificationRecord 743 { 744 final StatusBarNotification sbn; 745 IBinder statusBarKey; 746 747 NotificationRecord(StatusBarNotification sbn) 748 { 749 this.sbn = sbn; 750 } 751 752 public Notification getNotification() { return sbn.getNotification(); } 753 public int getFlags() { return sbn.getNotification().flags; } 754 public int getUserId() { return sbn.getUserId(); } 755 756 void dump(PrintWriter pw, String prefix, Context baseContext) { 757 final Notification notification = sbn.getNotification(); 758 pw.println(prefix + this); 759 pw.println(prefix + " uid=" + sbn.getUid() + " userId=" + sbn.getUserId()); 760 pw.println(prefix + " icon=0x" + Integer.toHexString(notification.icon) 761 + " / " + idDebugString(baseContext, sbn.getPackageName(), notification.icon)); 762 pw.println(prefix + " pri=" + notification.priority + " score=" + sbn.getScore()); 763 pw.println(prefix + " contentIntent=" + notification.contentIntent); 764 pw.println(prefix + " deleteIntent=" + notification.deleteIntent); 765 pw.println(prefix + " tickerText=" + notification.tickerText); 766 pw.println(prefix + " contentView=" + notification.contentView); 767 pw.println(prefix + String.format(" defaults=0x%08x flags=0x%08x", 768 notification.defaults, notification.flags)); 769 pw.println(prefix + " sound=" + notification.sound); 770 pw.println(prefix + " vibrate=" + Arrays.toString(notification.vibrate)); 771 pw.println(prefix + String.format(" led=0x%08x onMs=%d offMs=%d", 772 notification.ledARGB, notification.ledOnMS, notification.ledOffMS)); 773 if (notification.actions != null && notification.actions.length > 0) { 774 pw.println(prefix + " actions={"); 775 final int N = notification.actions.length; 776 for (int i=0; i<N; i++) { 777 final Notification.Action action = notification.actions[i]; 778 pw.println(String.format("%s [%d] \"%s\" -> %s", 779 prefix, 780 i, 781 action.title, 782 action.actionIntent.toString() 783 )); 784 } 785 pw.println(prefix + " }"); 786 } 787 if (notification.extras != null && notification.extras.size() > 0) { 788 pw.println(prefix + " extras={"); 789 for (String key : notification.extras.keySet()) { 790 pw.print(prefix + " " + key + "="); 791 Object val = notification.extras.get(key); 792 if (val == null) { 793 pw.println("null"); 794 } else { 795 pw.print(val.toString()); 796 if (val instanceof Bitmap) { 797 pw.print(String.format(" (%dx%d)", 798 ((Bitmap) val).getWidth(), 799 ((Bitmap) val).getHeight())); 800 } else if (val.getClass().isArray()) { 801 pw.println(" {"); 802 final int N = Array.getLength(val); 803 for (int i=0; i<N; i++) { 804 if (i > 0) pw.println(","); 805 pw.print(prefix + " " + Array.get(val, i)); 806 } 807 pw.print("\n" + prefix + " }"); 808 } 809 pw.println(); 810 } 811 } 812 pw.println(prefix + " }"); 813 } 814 } 815 816 @Override 817 public final String toString() { 818 return String.format( 819 "NotificationRecord(0x%08x: pkg=%s user=%s id=%d tag=%s score=%d: %s)", 820 System.identityHashCode(this), 821 this.sbn.getPackageName(), this.sbn.getUser(), this.sbn.getId(), 822 this.sbn.getTag(), this.sbn.getScore(), this.sbn.getNotification()); 823 } 824 } 825 826 private static final class ToastRecord 827 { 828 final int pid; 829 final String pkg; 830 final ITransientNotification callback; 831 int duration; 832 833 ToastRecord(int pid, String pkg, ITransientNotification callback, int duration) 834 { 835 this.pid = pid; 836 this.pkg = pkg; 837 this.callback = callback; 838 this.duration = duration; 839 } 840 841 void update(int duration) { 842 this.duration = duration; 843 } 844 845 void dump(PrintWriter pw, String prefix) { 846 pw.println(prefix + this); 847 } 848 849 @Override 850 public final String toString() 851 { 852 return "ToastRecord{" 853 + Integer.toHexString(System.identityHashCode(this)) 854 + " pkg=" + pkg 855 + " callback=" + callback 856 + " duration=" + duration; 857 } 858 } 859 860 private final NotificationDelegate mNotificationDelegate = new NotificationDelegate() { 861 862 @Override 863 public void onSetDisabled(int status) { 864 synchronized (mNotificationList) { 865 mDisabledNotifications = status; 866 if ((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) != 0) { 867 // cancel whatever's going on 868 long identity = Binder.clearCallingIdentity(); 869 try { 870 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 871 if (player != null) { 872 player.stopAsync(); 873 } 874 } catch (RemoteException e) { 875 } finally { 876 Binder.restoreCallingIdentity(identity); 877 } 878 879 identity = Binder.clearCallingIdentity(); 880 try { 881 mVibrator.cancel(); 882 } finally { 883 Binder.restoreCallingIdentity(identity); 884 } 885 } 886 } 887 } 888 889 @Override 890 public void onClearAll() { 891 // XXX to be totally correct, the caller should tell us which user 892 // this is for. 893 cancelAll(ActivityManager.getCurrentUser()); 894 } 895 896 @Override 897 public void onNotificationClick(String pkg, String tag, int id) { 898 // XXX to be totally correct, the caller should tell us which user 899 // this is for. 900 cancelNotification(pkg, tag, id, Notification.FLAG_AUTO_CANCEL, 901 Notification.FLAG_FOREGROUND_SERVICE, false, 902 ActivityManager.getCurrentUser()); 903 } 904 905 @Override 906 public void onNotificationClear(String pkg, String tag, int id) { 907 // XXX to be totally correct, the caller should tell us which user 908 // this is for. 909 cancelNotification(pkg, tag, id, 0, 910 Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, 911 true, ActivityManager.getCurrentUser()); 912 } 913 914 @Override 915 public void onPanelRevealed() { 916 synchronized (mNotificationList) { 917 // sound 918 mSoundNotification = null; 919 920 long identity = Binder.clearCallingIdentity(); 921 try { 922 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 923 if (player != null) { 924 player.stopAsync(); 925 } 926 } catch (RemoteException e) { 927 } finally { 928 Binder.restoreCallingIdentity(identity); 929 } 930 931 // vibrate 932 mVibrateNotification = null; 933 identity = Binder.clearCallingIdentity(); 934 try { 935 mVibrator.cancel(); 936 } finally { 937 Binder.restoreCallingIdentity(identity); 938 } 939 940 // light 941 mLights.clear(); 942 mLedNotification = null; 943 updateLightsLocked(); 944 } 945 } 946 947 @Override 948 public void onNotificationError(String pkg, String tag, int id, 949 int uid, int initialPid, String message) { 950 Slog.d(TAG, "onNotification error pkg=" + pkg + " tag=" + tag + " id=" + id 951 + "; will crashApplication(uid=" + uid + ", pid=" + initialPid + ")"); 952 // XXX to be totally correct, the caller should tell us which user 953 // this is for. 954 cancelNotification(pkg, tag, id, 0, 0, false, UserHandle.getUserId(uid)); 955 long ident = Binder.clearCallingIdentity(); 956 try { 957 ActivityManagerNative.getDefault().crashApplication(uid, initialPid, pkg, 958 "Bad notification posted from package " + pkg 959 + ": " + message); 960 } catch (RemoteException e) { 961 } 962 Binder.restoreCallingIdentity(ident); 963 } 964 }; 965 966 private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 967 @Override 968 public void onReceive(Context context, Intent intent) { 969 String action = intent.getAction(); 970 971 boolean queryRestart = false; 972 boolean queryRemove = false; 973 boolean packageChanged = false; 974 boolean cancelNotifications = true; 975 976 if (action.equals(Intent.ACTION_PACKAGE_ADDED) 977 || (queryRemove=action.equals(Intent.ACTION_PACKAGE_REMOVED)) 978 || action.equals(Intent.ACTION_PACKAGE_RESTARTED) 979 || (packageChanged=action.equals(Intent.ACTION_PACKAGE_CHANGED)) 980 || (queryRestart=action.equals(Intent.ACTION_QUERY_PACKAGE_RESTART)) 981 || action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { 982 String pkgList[] = null; 983 boolean queryReplace = queryRemove && 984 intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 985 if (DBG) Slog.i(TAG, "queryReplace=" + queryReplace); 986 if (action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { 987 pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 988 } else if (queryRestart) { 989 pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); 990 } else { 991 Uri uri = intent.getData(); 992 if (uri == null) { 993 return; 994 } 995 String pkgName = uri.getSchemeSpecificPart(); 996 if (pkgName == null) { 997 return; 998 } 999 if (packageChanged) { 1000 // We cancel notifications for packages which have just been disabled 1001 try { 1002 final int enabled = getContext().getPackageManager() 1003 .getApplicationEnabledSetting(pkgName); 1004 if (enabled == PackageManager.COMPONENT_ENABLED_STATE_ENABLED 1005 || enabled == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT) { 1006 cancelNotifications = false; 1007 } 1008 } catch (IllegalArgumentException e) { 1009 // Package doesn't exist; probably racing with uninstall. 1010 // cancelNotifications is already true, so nothing to do here. 1011 if (DBG) { 1012 Slog.i(TAG, "Exception trying to look up app enabled setting", e); 1013 } 1014 } 1015 } 1016 pkgList = new String[]{pkgName}; 1017 } 1018 1019 boolean anyListenersInvolved = false; 1020 if (pkgList != null && (pkgList.length > 0)) { 1021 for (String pkgName : pkgList) { 1022 if (cancelNotifications) { 1023 cancelAllNotificationsInt(pkgName, 0, 0, !queryRestart, 1024 UserHandle.USER_ALL); 1025 } 1026 if (mEnabledListenerPackageNames.contains(pkgName)) { 1027 anyListenersInvolved = true; 1028 } 1029 } 1030 } 1031 1032 if (anyListenersInvolved) { 1033 // if we're not replacing a package, clean up orphaned bits 1034 if (!queryReplace) { 1035 disableNonexistentListeners(); 1036 } 1037 // make sure we're still bound to any of our 1038 // listeners who may have just upgraded 1039 rebindListenerServices(); 1040 } 1041 } else if (action.equals(Intent.ACTION_SCREEN_ON)) { 1042 // Keep track of screen on/off state, but do not turn off the notification light 1043 // until user passes through the lock screen or views the notification. 1044 mScreenOn = true; 1045 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 1046 mScreenOn = false; 1047 } else if (action.equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) { 1048 mInCall = TelephonyManager.EXTRA_STATE_OFFHOOK 1049 .equals(intent.getStringExtra(TelephonyManager.EXTRA_STATE)); 1050 updateNotificationPulse(); 1051 } else if (action.equals(Intent.ACTION_USER_STOPPED)) { 1052 int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); 1053 if (userHandle >= 0) { 1054 cancelAllNotificationsInt(null, 0, 0, true, userHandle); 1055 } 1056 } else if (action.equals(Intent.ACTION_USER_PRESENT)) { 1057 // turn off LED when user passes through lock screen 1058 mNotificationLight.turnOff(); 1059 } else if (action.equals(Intent.ACTION_USER_SWITCHED)) { 1060 // reload per-user settings 1061 mSettingsObserver.update(null); 1062 } 1063 } 1064 }; 1065 1066 class SettingsObserver extends ContentObserver { 1067 private final Uri NOTIFICATION_LIGHT_PULSE_URI 1068 = Settings.System.getUriFor(Settings.System.NOTIFICATION_LIGHT_PULSE); 1069 1070 private final Uri ENABLED_NOTIFICATION_LISTENERS_URI 1071 = Settings.Secure.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); 1072 1073 SettingsObserver(Handler handler) { 1074 super(handler); 1075 } 1076 1077 void observe() { 1078 ContentResolver resolver = getContext().getContentResolver(); 1079 resolver.registerContentObserver(NOTIFICATION_LIGHT_PULSE_URI, 1080 false, this, UserHandle.USER_ALL); 1081 resolver.registerContentObserver(ENABLED_NOTIFICATION_LISTENERS_URI, 1082 false, this, UserHandle.USER_ALL); 1083 update(null); 1084 } 1085 1086 @Override public void onChange(boolean selfChange, Uri uri) { 1087 update(uri); 1088 } 1089 1090 public void update(Uri uri) { 1091 ContentResolver resolver = getContext().getContentResolver(); 1092 if (uri == null || NOTIFICATION_LIGHT_PULSE_URI.equals(uri)) { 1093 boolean pulseEnabled = Settings.System.getInt(resolver, 1094 Settings.System.NOTIFICATION_LIGHT_PULSE, 0) != 0; 1095 if (mNotificationPulseEnabled != pulseEnabled) { 1096 mNotificationPulseEnabled = pulseEnabled; 1097 updateNotificationPulse(); 1098 } 1099 } 1100 if (uri == null || ENABLED_NOTIFICATION_LISTENERS_URI.equals(uri)) { 1101 rebindListenerServices(); 1102 } 1103 } 1104 } 1105 1106 private SettingsObserver mSettingsObserver; 1107 1108 static long[] getLongArray(Resources r, int resid, int maxlen, long[] def) { 1109 int[] ar = r.getIntArray(resid); 1110 if (ar == null) { 1111 return def; 1112 } 1113 final int len = ar.length > maxlen ? maxlen : ar.length; 1114 long[] out = new long[len]; 1115 for (int i=0; i<len; i++) { 1116 out[i] = ar[i]; 1117 } 1118 return out; 1119 } 1120 1121 public NotificationManagerService(Context context) { 1122 super(context); 1123 } 1124 1125 @Override 1126 public void onStart() { 1127 mAm = ActivityManagerNative.getDefault(); 1128 mAppOps = (AppOpsManager) getContext().getSystemService(Context.APP_OPS_SERVICE); 1129 mVibrator = (Vibrator) getContext().getSystemService(Context.VIBRATOR_SERVICE); 1130 1131 mHandler = new WorkerHandler(); 1132 1133 importOldBlockDb(); 1134 1135 mStatusBar = getLocalService(StatusBarManagerInternal.class); 1136 mStatusBar.setNotificationDelegate(mNotificationDelegate); 1137 1138 final LightsManager lights = getLocalService(LightsManager.class); 1139 mNotificationLight = lights.getLight(LightsManager.LIGHT_ID_NOTIFICATIONS); 1140 mAttentionLight = lights.getLight(LightsManager.LIGHT_ID_ATTENTION); 1141 1142 Resources resources = getContext().getResources(); 1143 mDefaultNotificationColor = resources.getColor( 1144 R.color.config_defaultNotificationColor); 1145 mDefaultNotificationLedOn = resources.getInteger( 1146 R.integer.config_defaultNotificationLedOn); 1147 mDefaultNotificationLedOff = resources.getInteger( 1148 R.integer.config_defaultNotificationLedOff); 1149 1150 mDefaultVibrationPattern = getLongArray(resources, 1151 R.array.config_defaultNotificationVibePattern, 1152 VIBRATE_PATTERN_MAXLEN, 1153 DEFAULT_VIBRATE_PATTERN); 1154 1155 mFallbackVibrationPattern = getLongArray(resources, 1156 R.array.config_notificationFallbackVibePattern, 1157 VIBRATE_PATTERN_MAXLEN, 1158 DEFAULT_VIBRATE_PATTERN); 1159 1160 // Don't start allowing notifications until the setup wizard has run once. 1161 // After that, including subsequent boots, init with notifications turned on. 1162 // This works on the first boot because the setup wizard will toggle this 1163 // flag at least once and we'll go back to 0 after that. 1164 if (0 == Settings.Global.getInt(getContext().getContentResolver(), 1165 Settings.Global.DEVICE_PROVISIONED, 0)) { 1166 mDisabledNotifications = StatusBarManager.DISABLE_NOTIFICATION_ALERTS; 1167 } 1168 1169 // register for various Intents 1170 IntentFilter filter = new IntentFilter(); 1171 filter.addAction(Intent.ACTION_SCREEN_ON); 1172 filter.addAction(Intent.ACTION_SCREEN_OFF); 1173 filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); 1174 filter.addAction(Intent.ACTION_USER_PRESENT); 1175 filter.addAction(Intent.ACTION_USER_STOPPED); 1176 filter.addAction(Intent.ACTION_USER_SWITCHED); 1177 getContext().registerReceiver(mIntentReceiver, filter); 1178 IntentFilter pkgFilter = new IntentFilter(); 1179 pkgFilter.addAction(Intent.ACTION_PACKAGE_ADDED); 1180 pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1181 pkgFilter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1182 pkgFilter.addAction(Intent.ACTION_PACKAGE_RESTARTED); 1183 pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); 1184 pkgFilter.addDataScheme("package"); 1185 getContext().registerReceiver(mIntentReceiver, pkgFilter); 1186 IntentFilter sdFilter = new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1187 getContext().registerReceiver(mIntentReceiver, sdFilter); 1188 1189 mSettingsObserver = new SettingsObserver(mHandler); 1190 mSettingsObserver.observe(); 1191 1192 // spin up NotificationScorers 1193 String[] notificationScorerNames = resources.getStringArray( 1194 R.array.config_notificationScorers); 1195 for (String scorerName : notificationScorerNames) { 1196 try { 1197 Class<?> scorerClass = getContext().getClassLoader().loadClass(scorerName); 1198 NotificationScorer scorer = (NotificationScorer) scorerClass.newInstance(); 1199 scorer.initialize(getContext()); 1200 mScorers.add(scorer); 1201 } catch (ClassNotFoundException e) { 1202 Slog.w(TAG, "Couldn't find scorer " + scorerName + ".", e); 1203 } catch (InstantiationException e) { 1204 Slog.w(TAG, "Couldn't instantiate scorer " + scorerName + ".", e); 1205 } catch (IllegalAccessException e) { 1206 Slog.w(TAG, "Problem accessing scorer " + scorerName + ".", e); 1207 } 1208 } 1209 1210 publishBinderService(Context.NOTIFICATION_SERVICE, mService); 1211 publishLocalService(NotificationManagerInternal.class, mInternalService); 1212 } 1213 1214 /** 1215 * Read the old XML-based app block database and import those blockages into the AppOps system. 1216 */ 1217 private void importOldBlockDb() { 1218 loadBlockDb(); 1219 1220 PackageManager pm = getContext().getPackageManager(); 1221 for (String pkg : mBlockedPackages) { 1222 PackageInfo info = null; 1223 try { 1224 info = pm.getPackageInfo(pkg, 0); 1225 setNotificationsEnabledForPackageImpl(pkg, info.applicationInfo.uid, false); 1226 } catch (NameNotFoundException e) { 1227 // forget you 1228 } 1229 } 1230 mBlockedPackages.clear(); 1231 if (mPolicyFile != null) { 1232 mPolicyFile.delete(); 1233 } 1234 } 1235 1236 @Override 1237 public void onBootPhase(int phase) { 1238 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 1239 // no beeping until we're basically done booting 1240 mSystemReady = true; 1241 1242 // Grab our optional AudioService 1243 mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE); 1244 1245 // make sure our listener services are properly bound 1246 rebindListenerServices(); 1247 } 1248 } 1249 1250 void setNotificationsEnabledForPackageImpl(String pkg, int uid, boolean enabled) { 1251 Slog.v(TAG, (enabled?"en":"dis") + "abling notifications for " + pkg); 1252 1253 mAppOps.setMode(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg, 1254 enabled ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED); 1255 1256 // Now, cancel any outstanding notifications that are part of a just-disabled app 1257 if (ENABLE_BLOCKED_NOTIFICATIONS && !enabled) { 1258 cancelAllNotificationsInt(pkg, 0, 0, true, UserHandle.getUserId(uid)); 1259 } 1260 } 1261 1262 private final IBinder mService = new INotificationManager.Stub() { 1263 // Toasts 1264 // ============================================================================ 1265 1266 @Override 1267 public void enqueueToast(String pkg, ITransientNotification callback, int duration) 1268 { 1269 if (DBG) { 1270 Slog.i(TAG, "enqueueToast pkg=" + pkg + " callback=" + callback 1271 + " duration=" + duration); 1272 } 1273 1274 if (pkg == null || callback == null) { 1275 Slog.e(TAG, "Not doing toast. pkg=" + pkg + " callback=" + callback); 1276 return ; 1277 } 1278 1279 final boolean isSystemToast = isCallerSystem() || ("android".equals(pkg)); 1280 1281 if (ENABLE_BLOCKED_TOASTS && !noteNotificationOp(pkg, Binder.getCallingUid())) { 1282 if (!isSystemToast) { 1283 Slog.e(TAG, "Suppressing toast from package " + pkg + " by user request."); 1284 return; 1285 } 1286 } 1287 1288 synchronized (mToastQueue) { 1289 int callingPid = Binder.getCallingPid(); 1290 long callingId = Binder.clearCallingIdentity(); 1291 try { 1292 ToastRecord record; 1293 int index = indexOfToastLocked(pkg, callback); 1294 // If it's already in the queue, we update it in place, we don't 1295 // move it to the end of the queue. 1296 if (index >= 0) { 1297 record = mToastQueue.get(index); 1298 record.update(duration); 1299 } else { 1300 // Limit the number of toasts that any given package except the android 1301 // package can enqueue. Prevents DOS attacks and deals with leaks. 1302 if (!isSystemToast) { 1303 int count = 0; 1304 final int N = mToastQueue.size(); 1305 for (int i=0; i<N; i++) { 1306 final ToastRecord r = mToastQueue.get(i); 1307 if (r.pkg.equals(pkg)) { 1308 count++; 1309 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 1310 Slog.e(TAG, "Package has already posted " + count 1311 + " toasts. Not showing more. Package=" + pkg); 1312 return; 1313 } 1314 } 1315 } 1316 } 1317 1318 record = new ToastRecord(callingPid, pkg, callback, duration); 1319 mToastQueue.add(record); 1320 index = mToastQueue.size() - 1; 1321 keepProcessAliveLocked(callingPid); 1322 } 1323 // If it's at index 0, it's the current toast. It doesn't matter if it's 1324 // new or just been updated. Call back and tell it to show itself. 1325 // If the callback fails, this will remove it from the list, so don't 1326 // assume that it's valid after this. 1327 if (index == 0) { 1328 showNextToastLocked(); 1329 } 1330 } finally { 1331 Binder.restoreCallingIdentity(callingId); 1332 } 1333 } 1334 } 1335 1336 @Override 1337 public void cancelToast(String pkg, ITransientNotification callback) { 1338 Slog.i(TAG, "cancelToast pkg=" + pkg + " callback=" + callback); 1339 1340 if (pkg == null || callback == null) { 1341 Slog.e(TAG, "Not cancelling notification. pkg=" + pkg + " callback=" + callback); 1342 return ; 1343 } 1344 1345 synchronized (mToastQueue) { 1346 long callingId = Binder.clearCallingIdentity(); 1347 try { 1348 int index = indexOfToastLocked(pkg, callback); 1349 if (index >= 0) { 1350 cancelToastLocked(index); 1351 } else { 1352 Slog.w(TAG, "Toast already cancelled. pkg=" + pkg 1353 + " callback=" + callback); 1354 } 1355 } finally { 1356 Binder.restoreCallingIdentity(callingId); 1357 } 1358 } 1359 } 1360 1361 @Override 1362 public void enqueueNotificationWithTag(String pkg, String basePkg, String tag, int id, 1363 Notification notification, int[] idOut, int userId) throws RemoteException { 1364 enqueueNotificationInternal(pkg, basePkg, Binder.getCallingUid(), 1365 Binder.getCallingPid(), tag, id, notification, idOut, userId); 1366 } 1367 1368 @Override 1369 public void cancelNotificationWithTag(String pkg, String tag, int id, int userId) { 1370 checkCallerIsSystemOrSameApp(pkg); 1371 userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), 1372 Binder.getCallingUid(), userId, true, false, "cancelNotificationWithTag", pkg); 1373 // Don't allow client applications to cancel foreground service notis. 1374 cancelNotification(pkg, tag, id, 0, 1375 Binder.getCallingUid() == Process.SYSTEM_UID 1376 ? 0 : Notification.FLAG_FOREGROUND_SERVICE, false, userId); 1377 } 1378 1379 @Override 1380 public void cancelAllNotifications(String pkg, int userId) { 1381 checkCallerIsSystemOrSameApp(pkg); 1382 1383 userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), 1384 Binder.getCallingUid(), userId, true, false, "cancelAllNotifications", pkg); 1385 1386 // Calling from user space, don't allow the canceling of actively 1387 // running foreground services. 1388 cancelAllNotificationsInt(pkg, 0, Notification.FLAG_FOREGROUND_SERVICE, true, userId); 1389 } 1390 1391 @Override 1392 public void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled) { 1393 checkCallerIsSystem(); 1394 1395 setNotificationsEnabledForPackageImpl(pkg, uid, enabled); 1396 } 1397 1398 /** 1399 * Use this when you just want to know if notifications are OK for this package. 1400 */ 1401 @Override 1402 public boolean areNotificationsEnabledForPackage(String pkg, int uid) { 1403 checkCallerIsSystem(); 1404 return (mAppOps.checkOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) 1405 == AppOpsManager.MODE_ALLOWED); 1406 } 1407 1408 /** 1409 * System-only API for getting a list of current (i.e. not cleared) notifications. 1410 * 1411 * Requires ACCESS_NOTIFICATIONS which is signature|system. 1412 */ 1413 @Override 1414 public StatusBarNotification[] getActiveNotifications(String callingPkg) { 1415 // enforce() will ensure the calling uid has the correct permission 1416 getContext().enforceCallingOrSelfPermission( 1417 android.Manifest.permission.ACCESS_NOTIFICATIONS, 1418 "NotificationManagerService.getActiveNotifications"); 1419 1420 StatusBarNotification[] tmp = null; 1421 int uid = Binder.getCallingUid(); 1422 1423 // noteOp will check to make sure the callingPkg matches the uid 1424 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) 1425 == AppOpsManager.MODE_ALLOWED) { 1426 synchronized (mNotificationList) { 1427 tmp = new StatusBarNotification[mNotificationList.size()]; 1428 final int N = mNotificationList.size(); 1429 for (int i=0; i<N; i++) { 1430 tmp[i] = mNotificationList.get(i).sbn; 1431 } 1432 } 1433 } 1434 return tmp; 1435 } 1436 1437 /** 1438 * System-only API for getting a list of recent (cleared, no longer shown) notifications. 1439 * 1440 * Requires ACCESS_NOTIFICATIONS which is signature|system. 1441 */ 1442 @Override 1443 public StatusBarNotification[] getHistoricalNotifications(String callingPkg, int count) { 1444 // enforce() will ensure the calling uid has the correct permission 1445 getContext().enforceCallingOrSelfPermission( 1446 android.Manifest.permission.ACCESS_NOTIFICATIONS, 1447 "NotificationManagerService.getHistoricalNotifications"); 1448 1449 StatusBarNotification[] tmp = null; 1450 int uid = Binder.getCallingUid(); 1451 1452 // noteOp will check to make sure the callingPkg matches the uid 1453 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) 1454 == AppOpsManager.MODE_ALLOWED) { 1455 synchronized (mArchive) { 1456 tmp = mArchive.getArray(count); 1457 } 1458 } 1459 return tmp; 1460 } 1461 1462 /** 1463 * Register a listener binder directly with the notification manager. 1464 * 1465 * Only works with system callers. Apps should extend 1466 * {@link android.service.notification.NotificationListenerService}. 1467 */ 1468 @Override 1469 public void registerListener(final INotificationListener listener, 1470 final ComponentName component, final int userid) { 1471 checkCallerIsSystem(); 1472 registerListenerImpl(listener, component, userid); 1473 } 1474 1475 /** 1476 * Remove a listener binder directly 1477 */ 1478 @Override 1479 public void unregisterListener(INotificationListener listener, int userid) { 1480 // no need to check permissions; if your listener binder is in the list, 1481 // that's proof that you had permission to add it in the first place 1482 unregisterListenerImpl(listener, userid); 1483 } 1484 1485 /** 1486 * Allow an INotificationListener to simulate a "clear all" operation. 1487 * 1488 * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onClearAllNotifications} 1489 * 1490 * @param token The binder for the listener, to check that the caller is allowed 1491 */ 1492 @Override 1493 public void cancelAllNotificationsFromListener(INotificationListener token) { 1494 NotificationListenerInfo info = checkListenerToken(token); 1495 long identity = Binder.clearCallingIdentity(); 1496 try { 1497 cancelAll(info.userid); 1498 } finally { 1499 Binder.restoreCallingIdentity(identity); 1500 } 1501 } 1502 1503 /** 1504 * Allow an INotificationListener to simulate clearing (dismissing) a single notification. 1505 * 1506 * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onNotificationClear} 1507 * 1508 * @param token The binder for the listener, to check that the caller is allowed 1509 */ 1510 @Override 1511 public void cancelNotificationFromListener(INotificationListener token, String pkg, 1512 String tag, int id) { 1513 NotificationListenerInfo info = checkListenerToken(token); 1514 long identity = Binder.clearCallingIdentity(); 1515 try { 1516 cancelNotification(pkg, tag, id, 0, 1517 Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, 1518 true, 1519 info.userid); 1520 } finally { 1521 Binder.restoreCallingIdentity(identity); 1522 } 1523 } 1524 1525 /** 1526 * Allow an INotificationListener to request the list of outstanding notifications seen by 1527 * the current user. Useful when starting up, after which point the listener callbacks 1528 * should be used. 1529 * 1530 * @param token The binder for the listener, to check that the caller is allowed 1531 */ 1532 @Override 1533 public StatusBarNotification[] getActiveNotificationsFromListener( 1534 INotificationListener token) { 1535 NotificationListenerInfo info = checkListenerToken(token); 1536 1537 StatusBarNotification[] result = new StatusBarNotification[0]; 1538 ArrayList<StatusBarNotification> list = new ArrayList<StatusBarNotification>(); 1539 synchronized (mNotificationList) { 1540 final int N = mNotificationList.size(); 1541 for (int i=0; i<N; i++) { 1542 StatusBarNotification sbn = mNotificationList.get(i).sbn; 1543 if (info.enabledAndUserMatches(sbn)) { 1544 list.add(sbn); 1545 } 1546 } 1547 } 1548 return list.toArray(result); 1549 } 1550 1551 @Override 1552 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1553 if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1554 != PackageManager.PERMISSION_GRANTED) { 1555 pw.println("Permission Denial: can't dump NotificationManager from from pid=" 1556 + Binder.getCallingPid() 1557 + ", uid=" + Binder.getCallingUid()); 1558 return; 1559 } 1560 1561 dumpImpl(pw); 1562 } 1563 }; 1564 1565 void dumpImpl(PrintWriter pw) { 1566 pw.println("Current Notification Manager state:"); 1567 1568 pw.println(" Listeners (" + mEnabledListenersForCurrentUser.size() 1569 + ") enabled for current user:"); 1570 for (ComponentName cmpt : mEnabledListenersForCurrentUser) { 1571 pw.println(" " + cmpt); 1572 } 1573 1574 pw.println(" Live listeners (" + mListeners.size() + "):"); 1575 for (NotificationListenerInfo info : mListeners) { 1576 pw.println(" " + info.component 1577 + " (user " + info.userid + "): " + info.listener 1578 + (info.isSystem?" SYSTEM":"")); 1579 } 1580 1581 int N; 1582 1583 synchronized (mToastQueue) { 1584 N = mToastQueue.size(); 1585 if (N > 0) { 1586 pw.println(" Toast Queue:"); 1587 for (int i=0; i<N; i++) { 1588 mToastQueue.get(i).dump(pw, " "); 1589 } 1590 pw.println(" "); 1591 } 1592 1593 } 1594 1595 synchronized (mNotificationList) { 1596 N = mNotificationList.size(); 1597 if (N > 0) { 1598 pw.println(" Notification List:"); 1599 for (int i=0; i<N; i++) { 1600 mNotificationList.get(i).dump(pw, " ", getContext()); 1601 } 1602 pw.println(" "); 1603 } 1604 1605 N = mLights.size(); 1606 if (N > 0) { 1607 pw.println(" Lights List:"); 1608 for (int i=0; i<N; i++) { 1609 pw.println(" " + mLights.get(i)); 1610 } 1611 pw.println(" "); 1612 } 1613 1614 pw.println(" mSoundNotification=" + mSoundNotification); 1615 pw.println(" mVibrateNotification=" + mVibrateNotification); 1616 pw.println(" mDisabledNotifications=0x" 1617 + Integer.toHexString(mDisabledNotifications)); 1618 pw.println(" mSystemReady=" + mSystemReady); 1619 pw.println(" mArchive=" + mArchive.toString()); 1620 Iterator<StatusBarNotification> iter = mArchive.descendingIterator(); 1621 int i=0; 1622 while (iter.hasNext()) { 1623 pw.println(" " + iter.next()); 1624 if (++i >= 5) { 1625 if (iter.hasNext()) pw.println(" ..."); 1626 break; 1627 } 1628 } 1629 1630 } 1631 } 1632 1633 /** 1634 * The private API only accessible to the system process. 1635 */ 1636 private final NotificationManagerInternal mInternalService = new NotificationManagerInternal() { 1637 @Override 1638 public void enqueueNotification(String pkg, String basePkg, int callingUid, int callingPid, 1639 String tag, int id, Notification notification, int[] idReceived, int userId) { 1640 enqueueNotificationInternal(pkg, basePkg, callingUid, callingPid, tag, id, notification, 1641 idReceived, userId); 1642 } 1643 }; 1644 1645 void enqueueNotificationInternal(final String pkg, String basePkg, final int callingUid, 1646 final int callingPid, final String tag, final int id, final Notification notification, 1647 int[] idOut, int incomingUserId) { 1648 if (DBG) { 1649 Slog.v(TAG, "enqueueNotificationInternal: pkg=" + pkg + " id=" + id 1650 + " notification=" + notification); 1651 } 1652 checkCallerIsSystemOrSameApp(pkg); 1653 final boolean isSystemNotification = isUidSystem(callingUid) || ("android".equals(pkg)); 1654 1655 final int userId = ActivityManager.handleIncomingUser(callingPid, 1656 callingUid, incomingUserId, true, false, "enqueueNotification", pkg); 1657 final UserHandle user = new UserHandle(userId); 1658 1659 // Limit the number of notifications that any given package except the android 1660 // package can enqueue. Prevents DOS attacks and deals with leaks. 1661 if (!isSystemNotification) { 1662 synchronized (mNotificationList) { 1663 int count = 0; 1664 final int N = mNotificationList.size(); 1665 for (int i=0; i<N; i++) { 1666 final NotificationRecord r = mNotificationList.get(i); 1667 if (r.sbn.getPackageName().equals(pkg) && r.sbn.getUserId() == userId) { 1668 count++; 1669 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 1670 Slog.e(TAG, "Package has already posted " + count 1671 + " notifications. Not showing more. package=" + pkg); 1672 return; 1673 } 1674 } 1675 } 1676 } 1677 } 1678 1679 // This conditional is a dirty hack to limit the logging done on 1680 // behalf of the download manager without affecting other apps. 1681 if (!pkg.equals("com.android.providers.downloads") 1682 || Log.isLoggable("DownloadManager", Log.VERBOSE)) { 1683 EventLog.writeEvent(EventLogTags.NOTIFICATION_ENQUEUE, pkg, id, tag, userId, 1684 notification.toString()); 1685 } 1686 1687 if (pkg == null || notification == null) { 1688 throw new IllegalArgumentException("null not allowed: pkg=" + pkg 1689 + " id=" + id + " notification=" + notification); 1690 } 1691 if (notification.icon != 0) { 1692 if (notification.contentView == null) { 1693 throw new IllegalArgumentException("contentView required: pkg=" + pkg 1694 + " id=" + id + " notification=" + notification); 1695 } 1696 } 1697 1698 mHandler.post(new Runnable() { 1699 @Override 1700 public void run() { 1701 1702 // === Scoring === 1703 1704 // 0. Sanitize inputs 1705 notification.priority = clamp(notification.priority, Notification.PRIORITY_MIN, 1706 Notification.PRIORITY_MAX); 1707 // Migrate notification flags to scores 1708 if (0 != (notification.flags & Notification.FLAG_HIGH_PRIORITY)) { 1709 if (notification.priority < Notification.PRIORITY_MAX) { 1710 notification.priority = Notification.PRIORITY_MAX; 1711 } 1712 } else if (SCORE_ONGOING_HIGHER && 1713 0 != (notification.flags & Notification.FLAG_ONGOING_EVENT)) { 1714 if (notification.priority < Notification.PRIORITY_HIGH) { 1715 notification.priority = Notification.PRIORITY_HIGH; 1716 } 1717 } 1718 1719 // 1. initial score: buckets of 10, around the app 1720 int score = notification.priority * NOTIFICATION_PRIORITY_MULTIPLIER; //[-20..20] 1721 1722 // 2. Consult external heuristics (TBD) 1723 1724 // 3. Apply local rules 1725 1726 int initialScore = score; 1727 if (!mScorers.isEmpty()) { 1728 if (DBG) Slog.v(TAG, "Initial score is " + score + "."); 1729 for (NotificationScorer scorer : mScorers) { 1730 try { 1731 score = scorer.getScore(notification, score); 1732 } catch (Throwable t) { 1733 Slog.w(TAG, "Scorer threw on .getScore.", t); 1734 } 1735 } 1736 if (DBG) Slog.v(TAG, "Final score is " + score + "."); 1737 } 1738 1739 // add extra to indicate score modified by NotificationScorer 1740 notification.extras.putBoolean(Notification.EXTRA_SCORE_MODIFIED, 1741 score != initialScore); 1742 1743 // blocked apps 1744 if (ENABLE_BLOCKED_NOTIFICATIONS && !noteNotificationOp(pkg, callingUid)) { 1745 if (!isSystemNotification) { 1746 score = JUNK_SCORE; 1747 Slog.e(TAG, "Suppressing notification from package " + pkg 1748 + " by user request."); 1749 } 1750 } 1751 1752 if (DBG) { 1753 Slog.v(TAG, "Assigned score=" + score + " to " + notification); 1754 } 1755 1756 if (score < SCORE_DISPLAY_THRESHOLD) { 1757 // Notification will be blocked because the score is too low. 1758 return; 1759 } 1760 1761 // Should this notification make noise, vibe, or use the LED? 1762 final boolean canInterrupt = (score >= SCORE_INTERRUPTION_THRESHOLD); 1763 1764 synchronized (mNotificationList) { 1765 final StatusBarNotification n = new StatusBarNotification( 1766 pkg, id, tag, callingUid, callingPid, score, notification, user); 1767 NotificationRecord r = new NotificationRecord(n); 1768 NotificationRecord old = null; 1769 1770 int index = indexOfNotificationLocked(pkg, tag, id, userId); 1771 if (index < 0) { 1772 mNotificationList.add(r); 1773 } else { 1774 old = mNotificationList.remove(index); 1775 mNotificationList.add(index, r); 1776 // Make sure we don't lose the foreground service state. 1777 if (old != null) { 1778 notification.flags |= 1779 old.getNotification().flags & Notification.FLAG_FOREGROUND_SERVICE; 1780 } 1781 } 1782 1783 // Ensure if this is a foreground service that the proper additional 1784 // flags are set. 1785 if ((notification.flags&Notification.FLAG_FOREGROUND_SERVICE) != 0) { 1786 notification.flags |= Notification.FLAG_ONGOING_EVENT 1787 | Notification.FLAG_NO_CLEAR; 1788 } 1789 1790 final int currentUser; 1791 final long token = Binder.clearCallingIdentity(); 1792 try { 1793 currentUser = ActivityManager.getCurrentUser(); 1794 } finally { 1795 Binder.restoreCallingIdentity(token); 1796 } 1797 1798 if (notification.icon != 0) { 1799 if (old != null && old.statusBarKey != null) { 1800 r.statusBarKey = old.statusBarKey; 1801 final long identity = Binder.clearCallingIdentity(); 1802 try { 1803 mStatusBar.updateNotification(r.statusBarKey, n); 1804 } finally { 1805 Binder.restoreCallingIdentity(identity); 1806 } 1807 } else { 1808 final long identity = Binder.clearCallingIdentity(); 1809 try { 1810 r.statusBarKey = mStatusBar.addNotification(n); 1811 if ((n.getNotification().flags & Notification.FLAG_SHOW_LIGHTS) != 0 1812 && canInterrupt) { 1813 mAttentionLight.pulse(); 1814 } 1815 } finally { 1816 Binder.restoreCallingIdentity(identity); 1817 } 1818 } 1819 // Send accessibility events only for the current user. 1820 if (currentUser == userId) { 1821 sendAccessibilityEvent(notification, pkg); 1822 } 1823 1824 notifyPostedLocked(r); 1825 } else { 1826 Slog.e(TAG, "Not posting notification with icon==0: " + notification); 1827 if (old != null && old.statusBarKey != null) { 1828 final long identity = Binder.clearCallingIdentity(); 1829 try { 1830 mStatusBar.removeNotification(old.statusBarKey); 1831 } finally { 1832 Binder.restoreCallingIdentity(identity); 1833 } 1834 1835 notifyRemovedLocked(r); 1836 } 1837 // ATTENTION: in a future release we will bail out here 1838 // so that we do not play sounds, show lights, etc. for invalid 1839 // notifications 1840 Slog.e(TAG, "WARNING: In a future release this will crash the app: " 1841 + n.getPackageName()); 1842 } 1843 1844 // If we're not supposed to beep, vibrate, etc. then don't. 1845 if (((mDisabledNotifications 1846 & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) == 0) 1847 && (!(old != null 1848 && (notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0 )) 1849 && (r.getUserId() == UserHandle.USER_ALL || 1850 (r.getUserId() == userId && r.getUserId() == currentUser)) 1851 && canInterrupt 1852 && mSystemReady 1853 && mAudioManager != null) { 1854 1855 // sound 1856 1857 // should we use the default notification sound? (indicated either by 1858 // DEFAULT_SOUND or because notification.sound is pointing at 1859 // Settings.System.NOTIFICATION_SOUND) 1860 final boolean useDefaultSound = 1861 (notification.defaults & Notification.DEFAULT_SOUND) != 0 || 1862 Settings.System.DEFAULT_NOTIFICATION_URI 1863 .equals(notification.sound); 1864 1865 Uri soundUri = null; 1866 boolean hasValidSound = false; 1867 1868 if (useDefaultSound) { 1869 soundUri = Settings.System.DEFAULT_NOTIFICATION_URI; 1870 1871 // check to see if the default notification sound is silent 1872 ContentResolver resolver = getContext().getContentResolver(); 1873 hasValidSound = Settings.System.getString(resolver, 1874 Settings.System.NOTIFICATION_SOUND) != null; 1875 } else if (notification.sound != null) { 1876 soundUri = notification.sound; 1877 hasValidSound = (soundUri != null); 1878 } 1879 1880 if (hasValidSound) { 1881 boolean looping = 1882 (notification.flags & Notification.FLAG_INSISTENT) != 0; 1883 int audioStreamType; 1884 if (notification.audioStreamType >= 0) { 1885 audioStreamType = notification.audioStreamType; 1886 } else { 1887 audioStreamType = DEFAULT_STREAM_TYPE; 1888 } 1889 mSoundNotification = r; 1890 // do not play notifications if stream volume is 0 (typically because 1891 // ringer mode is silent) or if there is a user of exclusive audio focus 1892 if ((mAudioManager.getStreamVolume(audioStreamType) != 0) 1893 && !mAudioManager.isAudioFocusExclusive()) { 1894 final long identity = Binder.clearCallingIdentity(); 1895 try { 1896 final IRingtonePlayer player = 1897 mAudioManager.getRingtonePlayer(); 1898 if (player != null) { 1899 player.playAsync(soundUri, user, looping, audioStreamType); 1900 } 1901 } catch (RemoteException e) { 1902 } finally { 1903 Binder.restoreCallingIdentity(identity); 1904 } 1905 } 1906 } 1907 1908 // vibrate 1909 // Does the notification want to specify its own vibration? 1910 final boolean hasCustomVibrate = notification.vibrate != null; 1911 1912 // new in 4.2: if there was supposed to be a sound and we're in vibrate 1913 // mode, and no other vibration is specified, we fall back to vibration 1914 final boolean convertSoundToVibration = 1915 !hasCustomVibrate 1916 && hasValidSound 1917 && (mAudioManager.getRingerMode() 1918 == AudioManager.RINGER_MODE_VIBRATE); 1919 1920 // The DEFAULT_VIBRATE flag trumps any custom vibration AND the fallback. 1921 final boolean useDefaultVibrate = 1922 (notification.defaults & Notification.DEFAULT_VIBRATE) != 0; 1923 1924 if ((useDefaultVibrate || convertSoundToVibration || hasCustomVibrate) 1925 && !(mAudioManager.getRingerMode() 1926 == AudioManager.RINGER_MODE_SILENT)) { 1927 mVibrateNotification = r; 1928 1929 if (useDefaultVibrate || convertSoundToVibration) { 1930 // Escalate privileges so we can use the vibrator even if the 1931 // notifying app does not have the VIBRATE permission. 1932 long identity = Binder.clearCallingIdentity(); 1933 try { 1934 mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), 1935 useDefaultVibrate ? mDefaultVibrationPattern 1936 : mFallbackVibrationPattern, 1937 ((notification.flags & Notification.FLAG_INSISTENT) != 0) 1938 ? 0: -1); 1939 } finally { 1940 Binder.restoreCallingIdentity(identity); 1941 } 1942 } else if (notification.vibrate.length > 1) { 1943 // If you want your own vibration pattern, you need the VIBRATE 1944 // permission 1945 mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), 1946 notification.vibrate, 1947 ((notification.flags & Notification.FLAG_INSISTENT) != 0) 1948 ? 0: -1); 1949 } 1950 } 1951 } 1952 1953 // light 1954 // the most recent thing gets the light 1955 mLights.remove(old); 1956 if (mLedNotification == old) { 1957 mLedNotification = null; 1958 } 1959 //Slog.i(TAG, "notification.lights=" 1960 // + ((old.notification.lights.flags & Notification.FLAG_SHOW_LIGHTS) 1961 // != 0)); 1962 if ((notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0 1963 && canInterrupt) { 1964 mLights.add(r); 1965 updateLightsLocked(); 1966 } else { 1967 if (old != null 1968 && ((old.getFlags() & Notification.FLAG_SHOW_LIGHTS) != 0)) { 1969 updateLightsLocked(); 1970 } 1971 } 1972 } 1973 } 1974 }); 1975 1976 idOut[0] = id; 1977 } 1978 1979 void registerListenerImpl(final INotificationListener listener, 1980 final ComponentName component, final int userid) { 1981 synchronized (mNotificationList) { 1982 try { 1983 NotificationListenerInfo info 1984 = new NotificationListenerInfo(listener, component, userid, true); 1985 listener.asBinder().linkToDeath(info, 0); 1986 mListeners.add(info); 1987 } catch (RemoteException e) { 1988 // already dead 1989 } 1990 } 1991 } 1992 1993 void unregisterListenerImpl(final INotificationListener listener, final int userid) { 1994 synchronized (mNotificationList) { 1995 final int N = mListeners.size(); 1996 for (int i=N-1; i>=0; i--) { 1997 final NotificationListenerInfo info = mListeners.get(i); 1998 if (info.listener.asBinder() == listener.asBinder() 1999 && info.userid == userid) { 2000 mListeners.remove(i); 2001 if (info.connection != null) { 2002 getContext().unbindService(info.connection); 2003 } 2004 } 2005 } 2006 } 2007 } 2008 2009 void showNextToastLocked() { 2010 ToastRecord record = mToastQueue.get(0); 2011 while (record != null) { 2012 if (DBG) Slog.d(TAG, "Show pkg=" + record.pkg + " callback=" + record.callback); 2013 try { 2014 record.callback.show(); 2015 scheduleTimeoutLocked(record); 2016 return; 2017 } catch (RemoteException e) { 2018 Slog.w(TAG, "Object died trying to show notification " + record.callback 2019 + " in package " + record.pkg); 2020 // remove it from the list and let the process die 2021 int index = mToastQueue.indexOf(record); 2022 if (index >= 0) { 2023 mToastQueue.remove(index); 2024 } 2025 keepProcessAliveLocked(record.pid); 2026 if (mToastQueue.size() > 0) { 2027 record = mToastQueue.get(0); 2028 } else { 2029 record = null; 2030 } 2031 } 2032 } 2033 } 2034 2035 void cancelToastLocked(int index) { 2036 ToastRecord record = mToastQueue.get(index); 2037 try { 2038 record.callback.hide(); 2039 } catch (RemoteException e) { 2040 Slog.w(TAG, "Object died trying to hide notification " + record.callback 2041 + " in package " + record.pkg); 2042 // don't worry about this, we're about to remove it from 2043 // the list anyway 2044 } 2045 mToastQueue.remove(index); 2046 keepProcessAliveLocked(record.pid); 2047 if (mToastQueue.size() > 0) { 2048 // Show the next one. If the callback fails, this will remove 2049 // it from the list, so don't assume that the list hasn't changed 2050 // after this point. 2051 showNextToastLocked(); 2052 } 2053 } 2054 2055 private void scheduleTimeoutLocked(ToastRecord r) 2056 { 2057 mHandler.removeCallbacksAndMessages(r); 2058 Message m = Message.obtain(mHandler, MESSAGE_TIMEOUT, r); 2059 long delay = r.duration == Toast.LENGTH_LONG ? LONG_DELAY : SHORT_DELAY; 2060 mHandler.sendMessageDelayed(m, delay); 2061 } 2062 2063 private void handleTimeout(ToastRecord record) 2064 { 2065 if (DBG) Slog.d(TAG, "Timeout pkg=" + record.pkg + " callback=" + record.callback); 2066 synchronized (mToastQueue) { 2067 int index = indexOfToastLocked(record.pkg, record.callback); 2068 if (index >= 0) { 2069 cancelToastLocked(index); 2070 } 2071 } 2072 } 2073 2074 // lock on mToastQueue 2075 int indexOfToastLocked(String pkg, ITransientNotification callback) 2076 { 2077 IBinder cbak = callback.asBinder(); 2078 ArrayList<ToastRecord> list = mToastQueue; 2079 int len = list.size(); 2080 for (int i=0; i<len; i++) { 2081 ToastRecord r = list.get(i); 2082 if (r.pkg.equals(pkg) && r.callback.asBinder() == cbak) { 2083 return i; 2084 } 2085 } 2086 return -1; 2087 } 2088 2089 // lock on mToastQueue 2090 void keepProcessAliveLocked(int pid) 2091 { 2092 int toastCount = 0; // toasts from this pid 2093 ArrayList<ToastRecord> list = mToastQueue; 2094 int N = list.size(); 2095 for (int i=0; i<N; i++) { 2096 ToastRecord r = list.get(i); 2097 if (r.pid == pid) { 2098 toastCount++; 2099 } 2100 } 2101 try { 2102 mAm.setProcessForeground(mForegroundToken, pid, toastCount > 0); 2103 } catch (RemoteException e) { 2104 // Shouldn't happen. 2105 } 2106 } 2107 2108 private final class WorkerHandler extends Handler 2109 { 2110 @Override 2111 public void handleMessage(Message msg) 2112 { 2113 switch (msg.what) 2114 { 2115 case MESSAGE_TIMEOUT: 2116 handleTimeout((ToastRecord)msg.obj); 2117 break; 2118 } 2119 } 2120 } 2121 2122 2123 // Notifications 2124 // ============================================================================ 2125 static int clamp(int x, int low, int high) { 2126 return (x < low) ? low : ((x > high) ? high : x); 2127 } 2128 2129 void sendAccessibilityEvent(Notification notification, CharSequence packageName) { 2130 AccessibilityManager manager = AccessibilityManager.getInstance(getContext()); 2131 if (!manager.isEnabled()) { 2132 return; 2133 } 2134 2135 AccessibilityEvent event = 2136 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); 2137 event.setPackageName(packageName); 2138 event.setClassName(Notification.class.getName()); 2139 event.setParcelableData(notification); 2140 CharSequence tickerText = notification.tickerText; 2141 if (!TextUtils.isEmpty(tickerText)) { 2142 event.getText().add(tickerText); 2143 } 2144 2145 manager.sendAccessibilityEvent(event); 2146 } 2147 2148 private void cancelNotificationLocked(NotificationRecord r, boolean sendDelete) { 2149 // tell the app 2150 if (sendDelete) { 2151 if (r.getNotification().deleteIntent != null) { 2152 try { 2153 r.getNotification().deleteIntent.send(); 2154 } catch (PendingIntent.CanceledException ex) { 2155 // do nothing - there's no relevant way to recover, and 2156 // no reason to let this propagate 2157 Slog.w(TAG, "canceled PendingIntent for " + r.sbn.getPackageName(), ex); 2158 } 2159 } 2160 } 2161 2162 // status bar 2163 if (r.getNotification().icon != 0) { 2164 final long identity = Binder.clearCallingIdentity(); 2165 try { 2166 mStatusBar.removeNotification(r.statusBarKey); 2167 } finally { 2168 Binder.restoreCallingIdentity(identity); 2169 } 2170 r.statusBarKey = null; 2171 notifyRemovedLocked(r); 2172 } 2173 2174 // sound 2175 if (mSoundNotification == r) { 2176 mSoundNotification = null; 2177 final long identity = Binder.clearCallingIdentity(); 2178 try { 2179 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 2180 if (player != null) { 2181 player.stopAsync(); 2182 } 2183 } catch (RemoteException e) { 2184 } finally { 2185 Binder.restoreCallingIdentity(identity); 2186 } 2187 } 2188 2189 // vibrate 2190 if (mVibrateNotification == r) { 2191 mVibrateNotification = null; 2192 long identity = Binder.clearCallingIdentity(); 2193 try { 2194 mVibrator.cancel(); 2195 } 2196 finally { 2197 Binder.restoreCallingIdentity(identity); 2198 } 2199 } 2200 2201 // light 2202 mLights.remove(r); 2203 if (mLedNotification == r) { 2204 mLedNotification = null; 2205 } 2206 2207 // Save it for users of getHistoricalNotifications() 2208 mArchive.record(r.sbn); 2209 } 2210 2211 /** 2212 * Cancels a notification ONLY if it has all of the {@code mustHaveFlags} 2213 * and none of the {@code mustNotHaveFlags}. 2214 */ 2215 void cancelNotification(final String pkg, final String tag, final int id, 2216 final int mustHaveFlags, final int mustNotHaveFlags, final boolean sendDelete, 2217 final int userId) { 2218 // In enqueueNotificationInternal notifications are added by scheduling the 2219 // work on the worker handler. Hence, we also schedule the cancel on this 2220 // handler to avoid a scenario where an add notification call followed by a 2221 // remove notification call ends up in not removing the notification. 2222 mHandler.post(new Runnable() { 2223 @Override 2224 public void run() { 2225 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL, pkg, id, tag, userId, 2226 mustHaveFlags, mustNotHaveFlags); 2227 2228 synchronized (mNotificationList) { 2229 int index = indexOfNotificationLocked(pkg, tag, id, userId); 2230 if (index >= 0) { 2231 NotificationRecord r = mNotificationList.get(index); 2232 2233 if ((r.getNotification().flags & mustHaveFlags) != mustHaveFlags) { 2234 return; 2235 } 2236 if ((r.getNotification().flags & mustNotHaveFlags) != 0) { 2237 return; 2238 } 2239 2240 mNotificationList.remove(index); 2241 2242 cancelNotificationLocked(r, sendDelete); 2243 updateLightsLocked(); 2244 } 2245 } 2246 } 2247 }); 2248 } 2249 2250 /** 2251 * Determine whether the userId applies to the notification in question, either because 2252 * they match exactly, or one of them is USER_ALL (which is treated as a wildcard). 2253 */ 2254 private boolean notificationMatchesUserId(NotificationRecord r, int userId) { 2255 return 2256 // looking for USER_ALL notifications? match everything 2257 userId == UserHandle.USER_ALL 2258 // a notification sent to USER_ALL matches any query 2259 || r.getUserId() == UserHandle.USER_ALL 2260 // an exact user match 2261 || r.getUserId() == userId; 2262 } 2263 2264 /** 2265 * Cancels all notifications from a given package that have all of the 2266 * {@code mustHaveFlags}. 2267 */ 2268 boolean cancelAllNotificationsInt(String pkg, int mustHaveFlags, 2269 int mustNotHaveFlags, boolean doit, int userId) { 2270 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL_ALL, pkg, userId, 2271 mustHaveFlags, mustNotHaveFlags); 2272 2273 synchronized (mNotificationList) { 2274 final int N = mNotificationList.size(); 2275 boolean canceledSomething = false; 2276 for (int i = N-1; i >= 0; --i) { 2277 NotificationRecord r = mNotificationList.get(i); 2278 if (!notificationMatchesUserId(r, userId)) { 2279 continue; 2280 } 2281 // Don't remove notifications to all, if there's no package name specified 2282 if (r.getUserId() == UserHandle.USER_ALL && pkg == null) { 2283 continue; 2284 } 2285 if ((r.getFlags() & mustHaveFlags) != mustHaveFlags) { 2286 continue; 2287 } 2288 if ((r.getFlags() & mustNotHaveFlags) != 0) { 2289 continue; 2290 } 2291 if (pkg != null && !r.sbn.getPackageName().equals(pkg)) { 2292 continue; 2293 } 2294 canceledSomething = true; 2295 if (!doit) { 2296 return true; 2297 } 2298 mNotificationList.remove(i); 2299 cancelNotificationLocked(r, false); 2300 } 2301 if (canceledSomething) { 2302 updateLightsLocked(); 2303 } 2304 return canceledSomething; 2305 } 2306 } 2307 2308 2309 2310 // Return true if the UID is a system or phone UID and therefore should not have 2311 // any notifications or toasts blocked. 2312 boolean isUidSystem(int uid) { 2313 final int appid = UserHandle.getAppId(uid); 2314 return (appid == Process.SYSTEM_UID || appid == Process.PHONE_UID || uid == 0); 2315 } 2316 2317 // same as isUidSystem(int, int) for the Binder caller's UID. 2318 boolean isCallerSystem() { 2319 return isUidSystem(Binder.getCallingUid()); 2320 } 2321 2322 void checkCallerIsSystem() { 2323 if (isCallerSystem()) { 2324 return; 2325 } 2326 throw new SecurityException("Disallowed call for uid " + Binder.getCallingUid()); 2327 } 2328 2329 void checkCallerIsSystemOrSameApp(String pkg) { 2330 if (isCallerSystem()) { 2331 return; 2332 } 2333 final int uid = Binder.getCallingUid(); 2334 try { 2335 ApplicationInfo ai = AppGlobals.getPackageManager().getApplicationInfo( 2336 pkg, 0, UserHandle.getCallingUserId()); 2337 if (!UserHandle.isSameApp(ai.uid, uid)) { 2338 throw new SecurityException("Calling uid " + uid + " gave package" 2339 + pkg + " which is owned by uid " + ai.uid); 2340 } 2341 } catch (RemoteException re) { 2342 throw new SecurityException("Unknown package " + pkg + "\n" + re); 2343 } 2344 } 2345 2346 void cancelAll(int userId) { 2347 synchronized (mNotificationList) { 2348 final int N = mNotificationList.size(); 2349 for (int i=N-1; i>=0; i--) { 2350 NotificationRecord r = mNotificationList.get(i); 2351 2352 if (!notificationMatchesUserId(r, userId)) { 2353 continue; 2354 } 2355 2356 if ((r.getFlags() & (Notification.FLAG_ONGOING_EVENT 2357 | Notification.FLAG_NO_CLEAR)) == 0) { 2358 mNotificationList.remove(i); 2359 cancelNotificationLocked(r, true); 2360 } 2361 } 2362 2363 updateLightsLocked(); 2364 } 2365 } 2366 2367 // lock on mNotificationList 2368 void updateLightsLocked() 2369 { 2370 // handle notification lights 2371 if (mLedNotification == null) { 2372 // get next notification, if any 2373 int n = mLights.size(); 2374 if (n > 0) { 2375 mLedNotification = mLights.get(n-1); 2376 } 2377 } 2378 2379 // Don't flash while we are in a call or screen is on 2380 if (mLedNotification == null || mInCall || mScreenOn) { 2381 mNotificationLight.turnOff(); 2382 } else { 2383 final Notification ledno = mLedNotification.sbn.getNotification(); 2384 int ledARGB = ledno.ledARGB; 2385 int ledOnMS = ledno.ledOnMS; 2386 int ledOffMS = ledno.ledOffMS; 2387 if ((ledno.defaults & Notification.DEFAULT_LIGHTS) != 0) { 2388 ledARGB = mDefaultNotificationColor; 2389 ledOnMS = mDefaultNotificationLedOn; 2390 ledOffMS = mDefaultNotificationLedOff; 2391 } 2392 if (mNotificationPulseEnabled) { 2393 // pulse repeatedly 2394 mNotificationLight.setFlashing(ledARGB, Light.LIGHT_FLASH_TIMED, 2395 ledOnMS, ledOffMS); 2396 } 2397 } 2398 } 2399 2400 // lock on mNotificationList 2401 int indexOfNotificationLocked(String pkg, String tag, int id, int userId) 2402 { 2403 ArrayList<NotificationRecord> list = mNotificationList; 2404 final int len = list.size(); 2405 for (int i=0; i<len; i++) { 2406 NotificationRecord r = list.get(i); 2407 if (!notificationMatchesUserId(r, userId) || r.sbn.getId() != id) { 2408 continue; 2409 } 2410 if (tag == null) { 2411 if (r.sbn.getTag() != null) { 2412 continue; 2413 } 2414 } else { 2415 if (!tag.equals(r.sbn.getTag())) { 2416 continue; 2417 } 2418 } 2419 if (r.sbn.getPackageName().equals(pkg)) { 2420 return i; 2421 } 2422 } 2423 return -1; 2424 } 2425 2426 private void updateNotificationPulse() { 2427 synchronized (mNotificationList) { 2428 updateLightsLocked(); 2429 } 2430 } 2431} 2432