NotificationManagerService.java revision da9a3bed8e1aa7d7867291a123466bb0a3be5bb0
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 void checkNullListener(INotificationListener listener) { 729 if (listener == null) { 730 throw new IllegalArgumentException("Listener must not be null"); 731 } 732 } 733 734 private NotificationListenerInfo checkListenerToken(INotificationListener listener) { 735 checkNullListener(listener); 736 final IBinder token = listener.asBinder(); 737 final int N = mListeners.size(); 738 for (int i=0; i<N; i++) { 739 final NotificationListenerInfo info = mListeners.get(i); 740 if (info.listener.asBinder() == token) return info; 741 } 742 throw new SecurityException("Disallowed call from unknown listener: " + listener); 743 } 744 745 746 747 // -- end of listener APIs -- 748 749 public static final class NotificationRecord 750 { 751 final StatusBarNotification sbn; 752 IBinder statusBarKey; 753 754 NotificationRecord(StatusBarNotification sbn) 755 { 756 this.sbn = sbn; 757 } 758 759 public Notification getNotification() { return sbn.getNotification(); } 760 public int getFlags() { return sbn.getNotification().flags; } 761 public int getUserId() { return sbn.getUserId(); } 762 763 void dump(PrintWriter pw, String prefix, Context baseContext) { 764 final Notification notification = sbn.getNotification(); 765 pw.println(prefix + this); 766 pw.println(prefix + " uid=" + sbn.getUid() + " userId=" + sbn.getUserId()); 767 pw.println(prefix + " icon=0x" + Integer.toHexString(notification.icon) 768 + " / " + idDebugString(baseContext, sbn.getPackageName(), notification.icon)); 769 pw.println(prefix + " pri=" + notification.priority + " score=" + sbn.getScore()); 770 pw.println(prefix + " contentIntent=" + notification.contentIntent); 771 pw.println(prefix + " deleteIntent=" + notification.deleteIntent); 772 pw.println(prefix + " tickerText=" + notification.tickerText); 773 pw.println(prefix + " contentView=" + notification.contentView); 774 pw.println(prefix + String.format(" defaults=0x%08x flags=0x%08x", 775 notification.defaults, notification.flags)); 776 pw.println(prefix + " sound=" + notification.sound); 777 pw.println(prefix + " vibrate=" + Arrays.toString(notification.vibrate)); 778 pw.println(prefix + String.format(" led=0x%08x onMs=%d offMs=%d", 779 notification.ledARGB, notification.ledOnMS, notification.ledOffMS)); 780 if (notification.actions != null && notification.actions.length > 0) { 781 pw.println(prefix + " actions={"); 782 final int N = notification.actions.length; 783 for (int i=0; i<N; i++) { 784 final Notification.Action action = notification.actions[i]; 785 pw.println(String.format("%s [%d] \"%s\" -> %s", 786 prefix, 787 i, 788 action.title, 789 action.actionIntent.toString() 790 )); 791 } 792 pw.println(prefix + " }"); 793 } 794 if (notification.extras != null && notification.extras.size() > 0) { 795 pw.println(prefix + " extras={"); 796 for (String key : notification.extras.keySet()) { 797 pw.print(prefix + " " + key + "="); 798 Object val = notification.extras.get(key); 799 if (val == null) { 800 pw.println("null"); 801 } else { 802 pw.print(val.toString()); 803 if (val instanceof Bitmap) { 804 pw.print(String.format(" (%dx%d)", 805 ((Bitmap) val).getWidth(), 806 ((Bitmap) val).getHeight())); 807 } else if (val.getClass().isArray()) { 808 pw.println(" {"); 809 final int N = Array.getLength(val); 810 for (int i=0; i<N; i++) { 811 if (i > 0) pw.println(","); 812 pw.print(prefix + " " + Array.get(val, i)); 813 } 814 pw.print("\n" + prefix + " }"); 815 } 816 pw.println(); 817 } 818 } 819 pw.println(prefix + " }"); 820 } 821 } 822 823 @Override 824 public final String toString() { 825 return String.format( 826 "NotificationRecord(0x%08x: pkg=%s user=%s id=%d tag=%s score=%d: %s)", 827 System.identityHashCode(this), 828 this.sbn.getPackageName(), this.sbn.getUser(), this.sbn.getId(), 829 this.sbn.getTag(), this.sbn.getScore(), this.sbn.getNotification()); 830 } 831 } 832 833 private static final class ToastRecord 834 { 835 final int pid; 836 final String pkg; 837 final ITransientNotification callback; 838 int duration; 839 840 ToastRecord(int pid, String pkg, ITransientNotification callback, int duration) 841 { 842 this.pid = pid; 843 this.pkg = pkg; 844 this.callback = callback; 845 this.duration = duration; 846 } 847 848 void update(int duration) { 849 this.duration = duration; 850 } 851 852 void dump(PrintWriter pw, String prefix) { 853 pw.println(prefix + this); 854 } 855 856 @Override 857 public final String toString() 858 { 859 return "ToastRecord{" 860 + Integer.toHexString(System.identityHashCode(this)) 861 + " pkg=" + pkg 862 + " callback=" + callback 863 + " duration=" + duration; 864 } 865 } 866 867 private final NotificationDelegate mNotificationDelegate = new NotificationDelegate() { 868 869 @Override 870 public void onSetDisabled(int status) { 871 synchronized (mNotificationList) { 872 mDisabledNotifications = status; 873 if ((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) != 0) { 874 // cancel whatever's going on 875 long identity = Binder.clearCallingIdentity(); 876 try { 877 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 878 if (player != null) { 879 player.stopAsync(); 880 } 881 } catch (RemoteException e) { 882 } finally { 883 Binder.restoreCallingIdentity(identity); 884 } 885 886 identity = Binder.clearCallingIdentity(); 887 try { 888 mVibrator.cancel(); 889 } finally { 890 Binder.restoreCallingIdentity(identity); 891 } 892 } 893 } 894 } 895 896 @Override 897 public void onClearAll() { 898 // XXX to be totally correct, the caller should tell us which user 899 // this is for. 900 cancelAll(ActivityManager.getCurrentUser()); 901 } 902 903 @Override 904 public void onNotificationClick(String pkg, String tag, int id) { 905 // XXX to be totally correct, the caller should tell us which user 906 // this is for. 907 cancelNotification(pkg, tag, id, Notification.FLAG_AUTO_CANCEL, 908 Notification.FLAG_FOREGROUND_SERVICE, false, 909 ActivityManager.getCurrentUser()); 910 } 911 912 @Override 913 public void onNotificationClear(String pkg, String tag, int id) { 914 // XXX to be totally correct, the caller should tell us which user 915 // this is for. 916 cancelNotification(pkg, tag, id, 0, 917 Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, 918 true, ActivityManager.getCurrentUser()); 919 } 920 921 @Override 922 public void onPanelRevealed() { 923 synchronized (mNotificationList) { 924 // sound 925 mSoundNotification = null; 926 927 long identity = Binder.clearCallingIdentity(); 928 try { 929 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 930 if (player != null) { 931 player.stopAsync(); 932 } 933 } catch (RemoteException e) { 934 } finally { 935 Binder.restoreCallingIdentity(identity); 936 } 937 938 // vibrate 939 mVibrateNotification = null; 940 identity = Binder.clearCallingIdentity(); 941 try { 942 mVibrator.cancel(); 943 } finally { 944 Binder.restoreCallingIdentity(identity); 945 } 946 947 // light 948 mLights.clear(); 949 mLedNotification = null; 950 updateLightsLocked(); 951 } 952 } 953 954 @Override 955 public void onNotificationError(String pkg, String tag, int id, 956 int uid, int initialPid, String message) { 957 Slog.d(TAG, "onNotification error pkg=" + pkg + " tag=" + tag + " id=" + id 958 + "; will crashApplication(uid=" + uid + ", pid=" + initialPid + ")"); 959 // XXX to be totally correct, the caller should tell us which user 960 // this is for. 961 cancelNotification(pkg, tag, id, 0, 0, false, UserHandle.getUserId(uid)); 962 long ident = Binder.clearCallingIdentity(); 963 try { 964 ActivityManagerNative.getDefault().crashApplication(uid, initialPid, pkg, 965 "Bad notification posted from package " + pkg 966 + ": " + message); 967 } catch (RemoteException e) { 968 } 969 Binder.restoreCallingIdentity(ident); 970 } 971 }; 972 973 private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 974 @Override 975 public void onReceive(Context context, Intent intent) { 976 String action = intent.getAction(); 977 978 boolean queryRestart = false; 979 boolean queryRemove = false; 980 boolean packageChanged = false; 981 boolean cancelNotifications = true; 982 983 if (action.equals(Intent.ACTION_PACKAGE_ADDED) 984 || (queryRemove=action.equals(Intent.ACTION_PACKAGE_REMOVED)) 985 || action.equals(Intent.ACTION_PACKAGE_RESTARTED) 986 || (packageChanged=action.equals(Intent.ACTION_PACKAGE_CHANGED)) 987 || (queryRestart=action.equals(Intent.ACTION_QUERY_PACKAGE_RESTART)) 988 || action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { 989 String pkgList[] = null; 990 boolean queryReplace = queryRemove && 991 intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 992 if (DBG) Slog.i(TAG, "queryReplace=" + queryReplace); 993 if (action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { 994 pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 995 } else if (queryRestart) { 996 pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); 997 } else { 998 Uri uri = intent.getData(); 999 if (uri == null) { 1000 return; 1001 } 1002 String pkgName = uri.getSchemeSpecificPart(); 1003 if (pkgName == null) { 1004 return; 1005 } 1006 if (packageChanged) { 1007 // We cancel notifications for packages which have just been disabled 1008 try { 1009 final int enabled = getContext().getPackageManager() 1010 .getApplicationEnabledSetting(pkgName); 1011 if (enabled == PackageManager.COMPONENT_ENABLED_STATE_ENABLED 1012 || enabled == PackageManager.COMPONENT_ENABLED_STATE_DEFAULT) { 1013 cancelNotifications = false; 1014 } 1015 } catch (IllegalArgumentException e) { 1016 // Package doesn't exist; probably racing with uninstall. 1017 // cancelNotifications is already true, so nothing to do here. 1018 if (DBG) { 1019 Slog.i(TAG, "Exception trying to look up app enabled setting", e); 1020 } 1021 } 1022 } 1023 pkgList = new String[]{pkgName}; 1024 } 1025 1026 boolean anyListenersInvolved = false; 1027 if (pkgList != null && (pkgList.length > 0)) { 1028 for (String pkgName : pkgList) { 1029 if (cancelNotifications) { 1030 cancelAllNotificationsInt(pkgName, 0, 0, !queryRestart, 1031 UserHandle.USER_ALL); 1032 } 1033 if (mEnabledListenerPackageNames.contains(pkgName)) { 1034 anyListenersInvolved = true; 1035 } 1036 } 1037 } 1038 1039 if (anyListenersInvolved) { 1040 // if we're not replacing a package, clean up orphaned bits 1041 if (!queryReplace) { 1042 disableNonexistentListeners(); 1043 } 1044 // make sure we're still bound to any of our 1045 // listeners who may have just upgraded 1046 rebindListenerServices(); 1047 } 1048 } else if (action.equals(Intent.ACTION_SCREEN_ON)) { 1049 // Keep track of screen on/off state, but do not turn off the notification light 1050 // until user passes through the lock screen or views the notification. 1051 mScreenOn = true; 1052 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 1053 mScreenOn = false; 1054 } else if (action.equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) { 1055 mInCall = TelephonyManager.EXTRA_STATE_OFFHOOK 1056 .equals(intent.getStringExtra(TelephonyManager.EXTRA_STATE)); 1057 updateNotificationPulse(); 1058 } else if (action.equals(Intent.ACTION_USER_STOPPED)) { 1059 int userHandle = intent.getIntExtra(Intent.EXTRA_USER_HANDLE, -1); 1060 if (userHandle >= 0) { 1061 cancelAllNotificationsInt(null, 0, 0, true, userHandle); 1062 } 1063 } else if (action.equals(Intent.ACTION_USER_PRESENT)) { 1064 // turn off LED when user passes through lock screen 1065 mNotificationLight.turnOff(); 1066 } else if (action.equals(Intent.ACTION_USER_SWITCHED)) { 1067 // reload per-user settings 1068 mSettingsObserver.update(null); 1069 } 1070 } 1071 }; 1072 1073 class SettingsObserver extends ContentObserver { 1074 private final Uri NOTIFICATION_LIGHT_PULSE_URI 1075 = Settings.System.getUriFor(Settings.System.NOTIFICATION_LIGHT_PULSE); 1076 1077 private final Uri ENABLED_NOTIFICATION_LISTENERS_URI 1078 = Settings.Secure.getUriFor(Settings.Secure.ENABLED_NOTIFICATION_LISTENERS); 1079 1080 SettingsObserver(Handler handler) { 1081 super(handler); 1082 } 1083 1084 void observe() { 1085 ContentResolver resolver = getContext().getContentResolver(); 1086 resolver.registerContentObserver(NOTIFICATION_LIGHT_PULSE_URI, 1087 false, this, UserHandle.USER_ALL); 1088 resolver.registerContentObserver(ENABLED_NOTIFICATION_LISTENERS_URI, 1089 false, this, UserHandle.USER_ALL); 1090 update(null); 1091 } 1092 1093 @Override public void onChange(boolean selfChange, Uri uri) { 1094 update(uri); 1095 } 1096 1097 public void update(Uri uri) { 1098 ContentResolver resolver = getContext().getContentResolver(); 1099 if (uri == null || NOTIFICATION_LIGHT_PULSE_URI.equals(uri)) { 1100 boolean pulseEnabled = Settings.System.getInt(resolver, 1101 Settings.System.NOTIFICATION_LIGHT_PULSE, 0) != 0; 1102 if (mNotificationPulseEnabled != pulseEnabled) { 1103 mNotificationPulseEnabled = pulseEnabled; 1104 updateNotificationPulse(); 1105 } 1106 } 1107 if (uri == null || ENABLED_NOTIFICATION_LISTENERS_URI.equals(uri)) { 1108 rebindListenerServices(); 1109 } 1110 } 1111 } 1112 1113 private SettingsObserver mSettingsObserver; 1114 1115 static long[] getLongArray(Resources r, int resid, int maxlen, long[] def) { 1116 int[] ar = r.getIntArray(resid); 1117 if (ar == null) { 1118 return def; 1119 } 1120 final int len = ar.length > maxlen ? maxlen : ar.length; 1121 long[] out = new long[len]; 1122 for (int i=0; i<len; i++) { 1123 out[i] = ar[i]; 1124 } 1125 return out; 1126 } 1127 1128 public NotificationManagerService(Context context) { 1129 super(context); 1130 } 1131 1132 @Override 1133 public void onStart() { 1134 mAm = ActivityManagerNative.getDefault(); 1135 mAppOps = (AppOpsManager) getContext().getSystemService(Context.APP_OPS_SERVICE); 1136 mVibrator = (Vibrator) getContext().getSystemService(Context.VIBRATOR_SERVICE); 1137 1138 mHandler = new WorkerHandler(); 1139 1140 importOldBlockDb(); 1141 1142 mStatusBar = getLocalService(StatusBarManagerInternal.class); 1143 mStatusBar.setNotificationDelegate(mNotificationDelegate); 1144 1145 final LightsManager lights = getLocalService(LightsManager.class); 1146 mNotificationLight = lights.getLight(LightsManager.LIGHT_ID_NOTIFICATIONS); 1147 mAttentionLight = lights.getLight(LightsManager.LIGHT_ID_ATTENTION); 1148 1149 Resources resources = getContext().getResources(); 1150 mDefaultNotificationColor = resources.getColor( 1151 R.color.config_defaultNotificationColor); 1152 mDefaultNotificationLedOn = resources.getInteger( 1153 R.integer.config_defaultNotificationLedOn); 1154 mDefaultNotificationLedOff = resources.getInteger( 1155 R.integer.config_defaultNotificationLedOff); 1156 1157 mDefaultVibrationPattern = getLongArray(resources, 1158 R.array.config_defaultNotificationVibePattern, 1159 VIBRATE_PATTERN_MAXLEN, 1160 DEFAULT_VIBRATE_PATTERN); 1161 1162 mFallbackVibrationPattern = getLongArray(resources, 1163 R.array.config_notificationFallbackVibePattern, 1164 VIBRATE_PATTERN_MAXLEN, 1165 DEFAULT_VIBRATE_PATTERN); 1166 1167 // Don't start allowing notifications until the setup wizard has run once. 1168 // After that, including subsequent boots, init with notifications turned on. 1169 // This works on the first boot because the setup wizard will toggle this 1170 // flag at least once and we'll go back to 0 after that. 1171 if (0 == Settings.Global.getInt(getContext().getContentResolver(), 1172 Settings.Global.DEVICE_PROVISIONED, 0)) { 1173 mDisabledNotifications = StatusBarManager.DISABLE_NOTIFICATION_ALERTS; 1174 } 1175 1176 // register for various Intents 1177 IntentFilter filter = new IntentFilter(); 1178 filter.addAction(Intent.ACTION_SCREEN_ON); 1179 filter.addAction(Intent.ACTION_SCREEN_OFF); 1180 filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); 1181 filter.addAction(Intent.ACTION_USER_PRESENT); 1182 filter.addAction(Intent.ACTION_USER_STOPPED); 1183 filter.addAction(Intent.ACTION_USER_SWITCHED); 1184 getContext().registerReceiver(mIntentReceiver, filter); 1185 IntentFilter pkgFilter = new IntentFilter(); 1186 pkgFilter.addAction(Intent.ACTION_PACKAGE_ADDED); 1187 pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1188 pkgFilter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1189 pkgFilter.addAction(Intent.ACTION_PACKAGE_RESTARTED); 1190 pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); 1191 pkgFilter.addDataScheme("package"); 1192 getContext().registerReceiver(mIntentReceiver, pkgFilter); 1193 IntentFilter sdFilter = new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1194 getContext().registerReceiver(mIntentReceiver, sdFilter); 1195 1196 mSettingsObserver = new SettingsObserver(mHandler); 1197 mSettingsObserver.observe(); 1198 1199 // spin up NotificationScorers 1200 String[] notificationScorerNames = resources.getStringArray( 1201 R.array.config_notificationScorers); 1202 for (String scorerName : notificationScorerNames) { 1203 try { 1204 Class<?> scorerClass = getContext().getClassLoader().loadClass(scorerName); 1205 NotificationScorer scorer = (NotificationScorer) scorerClass.newInstance(); 1206 scorer.initialize(getContext()); 1207 mScorers.add(scorer); 1208 } catch (ClassNotFoundException e) { 1209 Slog.w(TAG, "Couldn't find scorer " + scorerName + ".", e); 1210 } catch (InstantiationException e) { 1211 Slog.w(TAG, "Couldn't instantiate scorer " + scorerName + ".", e); 1212 } catch (IllegalAccessException e) { 1213 Slog.w(TAG, "Problem accessing scorer " + scorerName + ".", e); 1214 } 1215 } 1216 1217 publishBinderService(Context.NOTIFICATION_SERVICE, mService); 1218 publishLocalService(NotificationManagerInternal.class, mInternalService); 1219 } 1220 1221 /** 1222 * Read the old XML-based app block database and import those blockages into the AppOps system. 1223 */ 1224 private void importOldBlockDb() { 1225 loadBlockDb(); 1226 1227 PackageManager pm = getContext().getPackageManager(); 1228 for (String pkg : mBlockedPackages) { 1229 PackageInfo info = null; 1230 try { 1231 info = pm.getPackageInfo(pkg, 0); 1232 setNotificationsEnabledForPackageImpl(pkg, info.applicationInfo.uid, false); 1233 } catch (NameNotFoundException e) { 1234 // forget you 1235 } 1236 } 1237 mBlockedPackages.clear(); 1238 if (mPolicyFile != null) { 1239 mPolicyFile.delete(); 1240 } 1241 } 1242 1243 @Override 1244 public void onBootPhase(int phase) { 1245 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 1246 // no beeping until we're basically done booting 1247 mSystemReady = true; 1248 1249 // Grab our optional AudioService 1250 mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE); 1251 1252 // make sure our listener services are properly bound 1253 rebindListenerServices(); 1254 } 1255 } 1256 1257 void setNotificationsEnabledForPackageImpl(String pkg, int uid, boolean enabled) { 1258 Slog.v(TAG, (enabled?"en":"dis") + "abling notifications for " + pkg); 1259 1260 mAppOps.setMode(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg, 1261 enabled ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED); 1262 1263 // Now, cancel any outstanding notifications that are part of a just-disabled app 1264 if (ENABLE_BLOCKED_NOTIFICATIONS && !enabled) { 1265 cancelAllNotificationsInt(pkg, 0, 0, true, UserHandle.getUserId(uid)); 1266 } 1267 } 1268 1269 private final IBinder mService = new INotificationManager.Stub() { 1270 // Toasts 1271 // ============================================================================ 1272 1273 @Override 1274 public void enqueueToast(String pkg, ITransientNotification callback, int duration) 1275 { 1276 if (DBG) { 1277 Slog.i(TAG, "enqueueToast pkg=" + pkg + " callback=" + callback 1278 + " duration=" + duration); 1279 } 1280 1281 if (pkg == null || callback == null) { 1282 Slog.e(TAG, "Not doing toast. pkg=" + pkg + " callback=" + callback); 1283 return ; 1284 } 1285 1286 final boolean isSystemToast = isCallerSystem() || ("android".equals(pkg)); 1287 1288 if (ENABLE_BLOCKED_TOASTS && !noteNotificationOp(pkg, Binder.getCallingUid())) { 1289 if (!isSystemToast) { 1290 Slog.e(TAG, "Suppressing toast from package " + pkg + " by user request."); 1291 return; 1292 } 1293 } 1294 1295 synchronized (mToastQueue) { 1296 int callingPid = Binder.getCallingPid(); 1297 long callingId = Binder.clearCallingIdentity(); 1298 try { 1299 ToastRecord record; 1300 int index = indexOfToastLocked(pkg, callback); 1301 // If it's already in the queue, we update it in place, we don't 1302 // move it to the end of the queue. 1303 if (index >= 0) { 1304 record = mToastQueue.get(index); 1305 record.update(duration); 1306 } else { 1307 // Limit the number of toasts that any given package except the android 1308 // package can enqueue. Prevents DOS attacks and deals with leaks. 1309 if (!isSystemToast) { 1310 int count = 0; 1311 final int N = mToastQueue.size(); 1312 for (int i=0; i<N; i++) { 1313 final ToastRecord r = mToastQueue.get(i); 1314 if (r.pkg.equals(pkg)) { 1315 count++; 1316 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 1317 Slog.e(TAG, "Package has already posted " + count 1318 + " toasts. Not showing more. Package=" + pkg); 1319 return; 1320 } 1321 } 1322 } 1323 } 1324 1325 record = new ToastRecord(callingPid, pkg, callback, duration); 1326 mToastQueue.add(record); 1327 index = mToastQueue.size() - 1; 1328 keepProcessAliveLocked(callingPid); 1329 } 1330 // If it's at index 0, it's the current toast. It doesn't matter if it's 1331 // new or just been updated. Call back and tell it to show itself. 1332 // If the callback fails, this will remove it from the list, so don't 1333 // assume that it's valid after this. 1334 if (index == 0) { 1335 showNextToastLocked(); 1336 } 1337 } finally { 1338 Binder.restoreCallingIdentity(callingId); 1339 } 1340 } 1341 } 1342 1343 @Override 1344 public void cancelToast(String pkg, ITransientNotification callback) { 1345 Slog.i(TAG, "cancelToast pkg=" + pkg + " callback=" + callback); 1346 1347 if (pkg == null || callback == null) { 1348 Slog.e(TAG, "Not cancelling notification. pkg=" + pkg + " callback=" + callback); 1349 return ; 1350 } 1351 1352 synchronized (mToastQueue) { 1353 long callingId = Binder.clearCallingIdentity(); 1354 try { 1355 int index = indexOfToastLocked(pkg, callback); 1356 if (index >= 0) { 1357 cancelToastLocked(index); 1358 } else { 1359 Slog.w(TAG, "Toast already cancelled. pkg=" + pkg 1360 + " callback=" + callback); 1361 } 1362 } finally { 1363 Binder.restoreCallingIdentity(callingId); 1364 } 1365 } 1366 } 1367 1368 @Override 1369 public void enqueueNotificationWithTag(String pkg, String basePkg, String tag, int id, 1370 Notification notification, int[] idOut, int userId) throws RemoteException { 1371 enqueueNotificationInternal(pkg, basePkg, Binder.getCallingUid(), 1372 Binder.getCallingPid(), tag, id, notification, idOut, userId); 1373 } 1374 1375 @Override 1376 public void cancelNotificationWithTag(String pkg, String tag, int id, int userId) { 1377 checkCallerIsSystemOrSameApp(pkg); 1378 userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), 1379 Binder.getCallingUid(), userId, true, false, "cancelNotificationWithTag", pkg); 1380 // Don't allow client applications to cancel foreground service notis. 1381 cancelNotification(pkg, tag, id, 0, 1382 Binder.getCallingUid() == Process.SYSTEM_UID 1383 ? 0 : Notification.FLAG_FOREGROUND_SERVICE, false, userId); 1384 } 1385 1386 @Override 1387 public void cancelAllNotifications(String pkg, int userId) { 1388 checkCallerIsSystemOrSameApp(pkg); 1389 1390 userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), 1391 Binder.getCallingUid(), userId, true, false, "cancelAllNotifications", pkg); 1392 1393 // Calling from user space, don't allow the canceling of actively 1394 // running foreground services. 1395 cancelAllNotificationsInt(pkg, 0, Notification.FLAG_FOREGROUND_SERVICE, true, userId); 1396 } 1397 1398 @Override 1399 public void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled) { 1400 checkCallerIsSystem(); 1401 1402 setNotificationsEnabledForPackageImpl(pkg, uid, enabled); 1403 } 1404 1405 /** 1406 * Use this when you just want to know if notifications are OK for this package. 1407 */ 1408 @Override 1409 public boolean areNotificationsEnabledForPackage(String pkg, int uid) { 1410 checkCallerIsSystem(); 1411 return (mAppOps.checkOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) 1412 == AppOpsManager.MODE_ALLOWED); 1413 } 1414 1415 /** 1416 * System-only API for getting a list of current (i.e. not cleared) notifications. 1417 * 1418 * Requires ACCESS_NOTIFICATIONS which is signature|system. 1419 */ 1420 @Override 1421 public StatusBarNotification[] getActiveNotifications(String callingPkg) { 1422 // enforce() will ensure the calling uid has the correct permission 1423 getContext().enforceCallingOrSelfPermission( 1424 android.Manifest.permission.ACCESS_NOTIFICATIONS, 1425 "NotificationManagerService.getActiveNotifications"); 1426 1427 StatusBarNotification[] tmp = null; 1428 int uid = Binder.getCallingUid(); 1429 1430 // noteOp will check to make sure the callingPkg matches the uid 1431 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) 1432 == AppOpsManager.MODE_ALLOWED) { 1433 synchronized (mNotificationList) { 1434 tmp = new StatusBarNotification[mNotificationList.size()]; 1435 final int N = mNotificationList.size(); 1436 for (int i=0; i<N; i++) { 1437 tmp[i] = mNotificationList.get(i).sbn; 1438 } 1439 } 1440 } 1441 return tmp; 1442 } 1443 1444 /** 1445 * System-only API for getting a list of recent (cleared, no longer shown) notifications. 1446 * 1447 * Requires ACCESS_NOTIFICATIONS which is signature|system. 1448 */ 1449 @Override 1450 public StatusBarNotification[] getHistoricalNotifications(String callingPkg, int count) { 1451 // enforce() will ensure the calling uid has the correct permission 1452 getContext().enforceCallingOrSelfPermission( 1453 android.Manifest.permission.ACCESS_NOTIFICATIONS, 1454 "NotificationManagerService.getHistoricalNotifications"); 1455 1456 StatusBarNotification[] tmp = null; 1457 int uid = Binder.getCallingUid(); 1458 1459 // noteOp will check to make sure the callingPkg matches the uid 1460 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) 1461 == AppOpsManager.MODE_ALLOWED) { 1462 synchronized (mArchive) { 1463 tmp = mArchive.getArray(count); 1464 } 1465 } 1466 return tmp; 1467 } 1468 1469 /** 1470 * Register a listener binder directly with the notification manager. 1471 * 1472 * Only works with system callers. Apps should extend 1473 * {@link android.service.notification.NotificationListenerService}. 1474 */ 1475 @Override 1476 public void registerListener(final INotificationListener listener, 1477 final ComponentName component, final int userid) { 1478 checkCallerIsSystem(); 1479 checkNullListener(listener); 1480 registerListenerImpl(listener, component, userid); 1481 } 1482 1483 /** 1484 * Remove a listener binder directly 1485 */ 1486 @Override 1487 public void unregisterListener(INotificationListener listener, int userid) { 1488 checkNullListener(listener); 1489 // no need to check permissions; if your listener binder is in the list, 1490 // that's proof that you had permission to add it in the first place 1491 unregisterListenerImpl(listener, userid); 1492 } 1493 1494 /** 1495 * Allow an INotificationListener to simulate a "clear all" operation. 1496 * 1497 * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onClearAllNotifications} 1498 * 1499 * @param token The binder for the listener, to check that the caller is allowed 1500 */ 1501 @Override 1502 public void cancelAllNotificationsFromListener(INotificationListener token) { 1503 NotificationListenerInfo info = checkListenerToken(token); 1504 long identity = Binder.clearCallingIdentity(); 1505 try { 1506 cancelAll(info.userid); 1507 } finally { 1508 Binder.restoreCallingIdentity(identity); 1509 } 1510 } 1511 1512 /** 1513 * Allow an INotificationListener to simulate clearing (dismissing) a single notification. 1514 * 1515 * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onNotificationClear} 1516 * 1517 * @param token The binder for the listener, to check that the caller is allowed 1518 */ 1519 @Override 1520 public void cancelNotificationFromListener(INotificationListener token, String pkg, 1521 String tag, int id) { 1522 NotificationListenerInfo info = checkListenerToken(token); 1523 long identity = Binder.clearCallingIdentity(); 1524 try { 1525 cancelNotification(pkg, tag, id, 0, 1526 Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, 1527 true, 1528 info.userid); 1529 } finally { 1530 Binder.restoreCallingIdentity(identity); 1531 } 1532 } 1533 1534 /** 1535 * Allow an INotificationListener to request the list of outstanding notifications seen by 1536 * the current user. Useful when starting up, after which point the listener callbacks 1537 * should be used. 1538 * 1539 * @param token The binder for the listener, to check that the caller is allowed 1540 */ 1541 @Override 1542 public StatusBarNotification[] getActiveNotificationsFromListener( 1543 INotificationListener token) { 1544 NotificationListenerInfo info = checkListenerToken(token); 1545 1546 StatusBarNotification[] result = new StatusBarNotification[0]; 1547 ArrayList<StatusBarNotification> list = new ArrayList<StatusBarNotification>(); 1548 synchronized (mNotificationList) { 1549 final int N = mNotificationList.size(); 1550 for (int i=0; i<N; i++) { 1551 StatusBarNotification sbn = mNotificationList.get(i).sbn; 1552 if (info.enabledAndUserMatches(sbn)) { 1553 list.add(sbn); 1554 } 1555 } 1556 } 1557 return list.toArray(result); 1558 } 1559 1560 @Override 1561 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1562 if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1563 != PackageManager.PERMISSION_GRANTED) { 1564 pw.println("Permission Denial: can't dump NotificationManager from from pid=" 1565 + Binder.getCallingPid() 1566 + ", uid=" + Binder.getCallingUid()); 1567 return; 1568 } 1569 1570 dumpImpl(pw); 1571 } 1572 }; 1573 1574 void dumpImpl(PrintWriter pw) { 1575 pw.println("Current Notification Manager state:"); 1576 1577 pw.println(" Listeners (" + mEnabledListenersForCurrentUser.size() 1578 + ") enabled for current user:"); 1579 for (ComponentName cmpt : mEnabledListenersForCurrentUser) { 1580 pw.println(" " + cmpt); 1581 } 1582 1583 pw.println(" Live listeners (" + mListeners.size() + "):"); 1584 for (NotificationListenerInfo info : mListeners) { 1585 pw.println(" " + info.component 1586 + " (user " + info.userid + "): " + info.listener 1587 + (info.isSystem?" SYSTEM":"")); 1588 } 1589 1590 int N; 1591 1592 synchronized (mToastQueue) { 1593 N = mToastQueue.size(); 1594 if (N > 0) { 1595 pw.println(" Toast Queue:"); 1596 for (int i=0; i<N; i++) { 1597 mToastQueue.get(i).dump(pw, " "); 1598 } 1599 pw.println(" "); 1600 } 1601 1602 } 1603 1604 synchronized (mNotificationList) { 1605 N = mNotificationList.size(); 1606 if (N > 0) { 1607 pw.println(" Notification List:"); 1608 for (int i=0; i<N; i++) { 1609 mNotificationList.get(i).dump(pw, " ", getContext()); 1610 } 1611 pw.println(" "); 1612 } 1613 1614 N = mLights.size(); 1615 if (N > 0) { 1616 pw.println(" Lights List:"); 1617 for (int i=0; i<N; i++) { 1618 pw.println(" " + mLights.get(i)); 1619 } 1620 pw.println(" "); 1621 } 1622 1623 pw.println(" mSoundNotification=" + mSoundNotification); 1624 pw.println(" mVibrateNotification=" + mVibrateNotification); 1625 pw.println(" mDisabledNotifications=0x" 1626 + Integer.toHexString(mDisabledNotifications)); 1627 pw.println(" mSystemReady=" + mSystemReady); 1628 pw.println(" mArchive=" + mArchive.toString()); 1629 Iterator<StatusBarNotification> iter = mArchive.descendingIterator(); 1630 int i=0; 1631 while (iter.hasNext()) { 1632 pw.println(" " + iter.next()); 1633 if (++i >= 5) { 1634 if (iter.hasNext()) pw.println(" ..."); 1635 break; 1636 } 1637 } 1638 1639 } 1640 } 1641 1642 /** 1643 * The private API only accessible to the system process. 1644 */ 1645 private final NotificationManagerInternal mInternalService = new NotificationManagerInternal() { 1646 @Override 1647 public void enqueueNotification(String pkg, String basePkg, int callingUid, int callingPid, 1648 String tag, int id, Notification notification, int[] idReceived, int userId) { 1649 enqueueNotificationInternal(pkg, basePkg, callingUid, callingPid, tag, id, notification, 1650 idReceived, userId); 1651 } 1652 }; 1653 1654 void enqueueNotificationInternal(final String pkg, String basePkg, final int callingUid, 1655 final int callingPid, final String tag, final int id, final Notification notification, 1656 int[] idOut, int incomingUserId) { 1657 if (DBG) { 1658 Slog.v(TAG, "enqueueNotificationInternal: pkg=" + pkg + " id=" + id 1659 + " notification=" + notification); 1660 } 1661 checkCallerIsSystemOrSameApp(pkg); 1662 final boolean isSystemNotification = isUidSystem(callingUid) || ("android".equals(pkg)); 1663 1664 final int userId = ActivityManager.handleIncomingUser(callingPid, 1665 callingUid, incomingUserId, true, false, "enqueueNotification", pkg); 1666 final UserHandle user = new UserHandle(userId); 1667 1668 // Limit the number of notifications that any given package except the android 1669 // package can enqueue. Prevents DOS attacks and deals with leaks. 1670 if (!isSystemNotification) { 1671 synchronized (mNotificationList) { 1672 int count = 0; 1673 final int N = mNotificationList.size(); 1674 for (int i=0; i<N; i++) { 1675 final NotificationRecord r = mNotificationList.get(i); 1676 if (r.sbn.getPackageName().equals(pkg) && r.sbn.getUserId() == userId) { 1677 count++; 1678 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 1679 Slog.e(TAG, "Package has already posted " + count 1680 + " notifications. Not showing more. package=" + pkg); 1681 return; 1682 } 1683 } 1684 } 1685 } 1686 } 1687 1688 // This conditional is a dirty hack to limit the logging done on 1689 // behalf of the download manager without affecting other apps. 1690 if (!pkg.equals("com.android.providers.downloads") 1691 || Log.isLoggable("DownloadManager", Log.VERBOSE)) { 1692 EventLog.writeEvent(EventLogTags.NOTIFICATION_ENQUEUE, pkg, id, tag, userId, 1693 notification.toString()); 1694 } 1695 1696 if (pkg == null || notification == null) { 1697 throw new IllegalArgumentException("null not allowed: pkg=" + pkg 1698 + " id=" + id + " notification=" + notification); 1699 } 1700 if (notification.icon != 0) { 1701 if (notification.contentView == null) { 1702 throw new IllegalArgumentException("contentView required: pkg=" + pkg 1703 + " id=" + id + " notification=" + notification); 1704 } 1705 } 1706 1707 mHandler.post(new Runnable() { 1708 @Override 1709 public void run() { 1710 1711 // === Scoring === 1712 1713 // 0. Sanitize inputs 1714 notification.priority = clamp(notification.priority, Notification.PRIORITY_MIN, 1715 Notification.PRIORITY_MAX); 1716 // Migrate notification flags to scores 1717 if (0 != (notification.flags & Notification.FLAG_HIGH_PRIORITY)) { 1718 if (notification.priority < Notification.PRIORITY_MAX) { 1719 notification.priority = Notification.PRIORITY_MAX; 1720 } 1721 } else if (SCORE_ONGOING_HIGHER && 1722 0 != (notification.flags & Notification.FLAG_ONGOING_EVENT)) { 1723 if (notification.priority < Notification.PRIORITY_HIGH) { 1724 notification.priority = Notification.PRIORITY_HIGH; 1725 } 1726 } 1727 1728 // 1. initial score: buckets of 10, around the app 1729 int score = notification.priority * NOTIFICATION_PRIORITY_MULTIPLIER; //[-20..20] 1730 1731 // 2. Consult external heuristics (TBD) 1732 1733 // 3. Apply local rules 1734 1735 int initialScore = score; 1736 if (!mScorers.isEmpty()) { 1737 if (DBG) Slog.v(TAG, "Initial score is " + score + "."); 1738 for (NotificationScorer scorer : mScorers) { 1739 try { 1740 score = scorer.getScore(notification, score); 1741 } catch (Throwable t) { 1742 Slog.w(TAG, "Scorer threw on .getScore.", t); 1743 } 1744 } 1745 if (DBG) Slog.v(TAG, "Final score is " + score + "."); 1746 } 1747 1748 // add extra to indicate score modified by NotificationScorer 1749 notification.extras.putBoolean(Notification.EXTRA_SCORE_MODIFIED, 1750 score != initialScore); 1751 1752 // blocked apps 1753 if (ENABLE_BLOCKED_NOTIFICATIONS && !noteNotificationOp(pkg, callingUid)) { 1754 if (!isSystemNotification) { 1755 score = JUNK_SCORE; 1756 Slog.e(TAG, "Suppressing notification from package " + pkg 1757 + " by user request."); 1758 } 1759 } 1760 1761 if (DBG) { 1762 Slog.v(TAG, "Assigned score=" + score + " to " + notification); 1763 } 1764 1765 if (score < SCORE_DISPLAY_THRESHOLD) { 1766 // Notification will be blocked because the score is too low. 1767 return; 1768 } 1769 1770 // Should this notification make noise, vibe, or use the LED? 1771 final boolean canInterrupt = (score >= SCORE_INTERRUPTION_THRESHOLD); 1772 1773 synchronized (mNotificationList) { 1774 final StatusBarNotification n = new StatusBarNotification( 1775 pkg, id, tag, callingUid, callingPid, score, notification, user); 1776 NotificationRecord r = new NotificationRecord(n); 1777 NotificationRecord old = null; 1778 1779 int index = indexOfNotificationLocked(pkg, tag, id, userId); 1780 if (index < 0) { 1781 mNotificationList.add(r); 1782 } else { 1783 old = mNotificationList.remove(index); 1784 mNotificationList.add(index, r); 1785 // Make sure we don't lose the foreground service state. 1786 if (old != null) { 1787 notification.flags |= 1788 old.getNotification().flags & Notification.FLAG_FOREGROUND_SERVICE; 1789 } 1790 } 1791 1792 // Ensure if this is a foreground service that the proper additional 1793 // flags are set. 1794 if ((notification.flags&Notification.FLAG_FOREGROUND_SERVICE) != 0) { 1795 notification.flags |= Notification.FLAG_ONGOING_EVENT 1796 | Notification.FLAG_NO_CLEAR; 1797 } 1798 1799 final int currentUser; 1800 final long token = Binder.clearCallingIdentity(); 1801 try { 1802 currentUser = ActivityManager.getCurrentUser(); 1803 } finally { 1804 Binder.restoreCallingIdentity(token); 1805 } 1806 1807 if (notification.icon != 0) { 1808 if (old != null && old.statusBarKey != null) { 1809 r.statusBarKey = old.statusBarKey; 1810 final long identity = Binder.clearCallingIdentity(); 1811 try { 1812 mStatusBar.updateNotification(r.statusBarKey, n); 1813 } finally { 1814 Binder.restoreCallingIdentity(identity); 1815 } 1816 } else { 1817 final long identity = Binder.clearCallingIdentity(); 1818 try { 1819 r.statusBarKey = mStatusBar.addNotification(n); 1820 if ((n.getNotification().flags & Notification.FLAG_SHOW_LIGHTS) != 0 1821 && canInterrupt) { 1822 mAttentionLight.pulse(); 1823 } 1824 } finally { 1825 Binder.restoreCallingIdentity(identity); 1826 } 1827 } 1828 // Send accessibility events only for the current user. 1829 if (currentUser == userId) { 1830 sendAccessibilityEvent(notification, pkg); 1831 } 1832 1833 notifyPostedLocked(r); 1834 } else { 1835 Slog.e(TAG, "Not posting notification with icon==0: " + notification); 1836 if (old != null && old.statusBarKey != null) { 1837 final long identity = Binder.clearCallingIdentity(); 1838 try { 1839 mStatusBar.removeNotification(old.statusBarKey); 1840 } finally { 1841 Binder.restoreCallingIdentity(identity); 1842 } 1843 1844 notifyRemovedLocked(r); 1845 } 1846 // ATTENTION: in a future release we will bail out here 1847 // so that we do not play sounds, show lights, etc. for invalid 1848 // notifications 1849 Slog.e(TAG, "WARNING: In a future release this will crash the app: " 1850 + n.getPackageName()); 1851 } 1852 1853 // If we're not supposed to beep, vibrate, etc. then don't. 1854 if (((mDisabledNotifications 1855 & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) == 0) 1856 && (!(old != null 1857 && (notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0 )) 1858 && (r.getUserId() == UserHandle.USER_ALL || 1859 (r.getUserId() == userId && r.getUserId() == currentUser)) 1860 && canInterrupt 1861 && mSystemReady 1862 && mAudioManager != null) { 1863 1864 // sound 1865 1866 // should we use the default notification sound? (indicated either by 1867 // DEFAULT_SOUND or because notification.sound is pointing at 1868 // Settings.System.NOTIFICATION_SOUND) 1869 final boolean useDefaultSound = 1870 (notification.defaults & Notification.DEFAULT_SOUND) != 0 || 1871 Settings.System.DEFAULT_NOTIFICATION_URI 1872 .equals(notification.sound); 1873 1874 Uri soundUri = null; 1875 boolean hasValidSound = false; 1876 1877 if (useDefaultSound) { 1878 soundUri = Settings.System.DEFAULT_NOTIFICATION_URI; 1879 1880 // check to see if the default notification sound is silent 1881 ContentResolver resolver = getContext().getContentResolver(); 1882 hasValidSound = Settings.System.getString(resolver, 1883 Settings.System.NOTIFICATION_SOUND) != null; 1884 } else if (notification.sound != null) { 1885 soundUri = notification.sound; 1886 hasValidSound = (soundUri != null); 1887 } 1888 1889 if (hasValidSound) { 1890 boolean looping = 1891 (notification.flags & Notification.FLAG_INSISTENT) != 0; 1892 int audioStreamType; 1893 if (notification.audioStreamType >= 0) { 1894 audioStreamType = notification.audioStreamType; 1895 } else { 1896 audioStreamType = DEFAULT_STREAM_TYPE; 1897 } 1898 mSoundNotification = r; 1899 // do not play notifications if stream volume is 0 (typically because 1900 // ringer mode is silent) or if there is a user of exclusive audio focus 1901 if ((mAudioManager.getStreamVolume(audioStreamType) != 0) 1902 && !mAudioManager.isAudioFocusExclusive()) { 1903 final long identity = Binder.clearCallingIdentity(); 1904 try { 1905 final IRingtonePlayer player = 1906 mAudioManager.getRingtonePlayer(); 1907 if (player != null) { 1908 player.playAsync(soundUri, user, looping, audioStreamType); 1909 } 1910 } catch (RemoteException e) { 1911 } finally { 1912 Binder.restoreCallingIdentity(identity); 1913 } 1914 } 1915 } 1916 1917 // vibrate 1918 // Does the notification want to specify its own vibration? 1919 final boolean hasCustomVibrate = notification.vibrate != null; 1920 1921 // new in 4.2: if there was supposed to be a sound and we're in vibrate 1922 // mode, and no other vibration is specified, we fall back to vibration 1923 final boolean convertSoundToVibration = 1924 !hasCustomVibrate 1925 && hasValidSound 1926 && (mAudioManager.getRingerMode() 1927 == AudioManager.RINGER_MODE_VIBRATE); 1928 1929 // The DEFAULT_VIBRATE flag trumps any custom vibration AND the fallback. 1930 final boolean useDefaultVibrate = 1931 (notification.defaults & Notification.DEFAULT_VIBRATE) != 0; 1932 1933 if ((useDefaultVibrate || convertSoundToVibration || hasCustomVibrate) 1934 && !(mAudioManager.getRingerMode() 1935 == AudioManager.RINGER_MODE_SILENT)) { 1936 mVibrateNotification = r; 1937 1938 if (useDefaultVibrate || convertSoundToVibration) { 1939 // Escalate privileges so we can use the vibrator even if the 1940 // notifying app does not have the VIBRATE permission. 1941 long identity = Binder.clearCallingIdentity(); 1942 try { 1943 mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), 1944 useDefaultVibrate ? mDefaultVibrationPattern 1945 : mFallbackVibrationPattern, 1946 ((notification.flags & Notification.FLAG_INSISTENT) != 0) 1947 ? 0: -1); 1948 } finally { 1949 Binder.restoreCallingIdentity(identity); 1950 } 1951 } else if (notification.vibrate.length > 1) { 1952 // If you want your own vibration pattern, you need the VIBRATE 1953 // permission 1954 mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), 1955 notification.vibrate, 1956 ((notification.flags & Notification.FLAG_INSISTENT) != 0) 1957 ? 0: -1); 1958 } 1959 } 1960 } 1961 1962 // light 1963 // the most recent thing gets the light 1964 mLights.remove(old); 1965 if (mLedNotification == old) { 1966 mLedNotification = null; 1967 } 1968 //Slog.i(TAG, "notification.lights=" 1969 // + ((old.notification.lights.flags & Notification.FLAG_SHOW_LIGHTS) 1970 // != 0)); 1971 if ((notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0 1972 && canInterrupt) { 1973 mLights.add(r); 1974 updateLightsLocked(); 1975 } else { 1976 if (old != null 1977 && ((old.getFlags() & Notification.FLAG_SHOW_LIGHTS) != 0)) { 1978 updateLightsLocked(); 1979 } 1980 } 1981 } 1982 } 1983 }); 1984 1985 idOut[0] = id; 1986 } 1987 1988 void registerListenerImpl(final INotificationListener listener, 1989 final ComponentName component, final int userid) { 1990 synchronized (mNotificationList) { 1991 try { 1992 NotificationListenerInfo info 1993 = new NotificationListenerInfo(listener, component, userid, true); 1994 listener.asBinder().linkToDeath(info, 0); 1995 mListeners.add(info); 1996 } catch (RemoteException e) { 1997 // already dead 1998 } 1999 } 2000 } 2001 2002 void unregisterListenerImpl(final INotificationListener listener, final int userid) { 2003 synchronized (mNotificationList) { 2004 final int N = mListeners.size(); 2005 for (int i=N-1; i>=0; i--) { 2006 final NotificationListenerInfo info = mListeners.get(i); 2007 if (info.listener.asBinder() == listener.asBinder() 2008 && info.userid == userid) { 2009 mListeners.remove(i); 2010 if (info.connection != null) { 2011 getContext().unbindService(info.connection); 2012 } 2013 } 2014 } 2015 } 2016 } 2017 2018 void showNextToastLocked() { 2019 ToastRecord record = mToastQueue.get(0); 2020 while (record != null) { 2021 if (DBG) Slog.d(TAG, "Show pkg=" + record.pkg + " callback=" + record.callback); 2022 try { 2023 record.callback.show(); 2024 scheduleTimeoutLocked(record); 2025 return; 2026 } catch (RemoteException e) { 2027 Slog.w(TAG, "Object died trying to show notification " + record.callback 2028 + " in package " + record.pkg); 2029 // remove it from the list and let the process die 2030 int index = mToastQueue.indexOf(record); 2031 if (index >= 0) { 2032 mToastQueue.remove(index); 2033 } 2034 keepProcessAliveLocked(record.pid); 2035 if (mToastQueue.size() > 0) { 2036 record = mToastQueue.get(0); 2037 } else { 2038 record = null; 2039 } 2040 } 2041 } 2042 } 2043 2044 void cancelToastLocked(int index) { 2045 ToastRecord record = mToastQueue.get(index); 2046 try { 2047 record.callback.hide(); 2048 } catch (RemoteException e) { 2049 Slog.w(TAG, "Object died trying to hide notification " + record.callback 2050 + " in package " + record.pkg); 2051 // don't worry about this, we're about to remove it from 2052 // the list anyway 2053 } 2054 mToastQueue.remove(index); 2055 keepProcessAliveLocked(record.pid); 2056 if (mToastQueue.size() > 0) { 2057 // Show the next one. If the callback fails, this will remove 2058 // it from the list, so don't assume that the list hasn't changed 2059 // after this point. 2060 showNextToastLocked(); 2061 } 2062 } 2063 2064 private void scheduleTimeoutLocked(ToastRecord r) 2065 { 2066 mHandler.removeCallbacksAndMessages(r); 2067 Message m = Message.obtain(mHandler, MESSAGE_TIMEOUT, r); 2068 long delay = r.duration == Toast.LENGTH_LONG ? LONG_DELAY : SHORT_DELAY; 2069 mHandler.sendMessageDelayed(m, delay); 2070 } 2071 2072 private void handleTimeout(ToastRecord record) 2073 { 2074 if (DBG) Slog.d(TAG, "Timeout pkg=" + record.pkg + " callback=" + record.callback); 2075 synchronized (mToastQueue) { 2076 int index = indexOfToastLocked(record.pkg, record.callback); 2077 if (index >= 0) { 2078 cancelToastLocked(index); 2079 } 2080 } 2081 } 2082 2083 // lock on mToastQueue 2084 int indexOfToastLocked(String pkg, ITransientNotification callback) 2085 { 2086 IBinder cbak = callback.asBinder(); 2087 ArrayList<ToastRecord> list = mToastQueue; 2088 int len = list.size(); 2089 for (int i=0; i<len; i++) { 2090 ToastRecord r = list.get(i); 2091 if (r.pkg.equals(pkg) && r.callback.asBinder() == cbak) { 2092 return i; 2093 } 2094 } 2095 return -1; 2096 } 2097 2098 // lock on mToastQueue 2099 void keepProcessAliveLocked(int pid) 2100 { 2101 int toastCount = 0; // toasts from this pid 2102 ArrayList<ToastRecord> list = mToastQueue; 2103 int N = list.size(); 2104 for (int i=0; i<N; i++) { 2105 ToastRecord r = list.get(i); 2106 if (r.pid == pid) { 2107 toastCount++; 2108 } 2109 } 2110 try { 2111 mAm.setProcessForeground(mForegroundToken, pid, toastCount > 0); 2112 } catch (RemoteException e) { 2113 // Shouldn't happen. 2114 } 2115 } 2116 2117 private final class WorkerHandler extends Handler 2118 { 2119 @Override 2120 public void handleMessage(Message msg) 2121 { 2122 switch (msg.what) 2123 { 2124 case MESSAGE_TIMEOUT: 2125 handleTimeout((ToastRecord)msg.obj); 2126 break; 2127 } 2128 } 2129 } 2130 2131 2132 // Notifications 2133 // ============================================================================ 2134 static int clamp(int x, int low, int high) { 2135 return (x < low) ? low : ((x > high) ? high : x); 2136 } 2137 2138 void sendAccessibilityEvent(Notification notification, CharSequence packageName) { 2139 AccessibilityManager manager = AccessibilityManager.getInstance(getContext()); 2140 if (!manager.isEnabled()) { 2141 return; 2142 } 2143 2144 AccessibilityEvent event = 2145 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); 2146 event.setPackageName(packageName); 2147 event.setClassName(Notification.class.getName()); 2148 event.setParcelableData(notification); 2149 CharSequence tickerText = notification.tickerText; 2150 if (!TextUtils.isEmpty(tickerText)) { 2151 event.getText().add(tickerText); 2152 } 2153 2154 manager.sendAccessibilityEvent(event); 2155 } 2156 2157 private void cancelNotificationLocked(NotificationRecord r, boolean sendDelete) { 2158 // tell the app 2159 if (sendDelete) { 2160 if (r.getNotification().deleteIntent != null) { 2161 try { 2162 r.getNotification().deleteIntent.send(); 2163 } catch (PendingIntent.CanceledException ex) { 2164 // do nothing - there's no relevant way to recover, and 2165 // no reason to let this propagate 2166 Slog.w(TAG, "canceled PendingIntent for " + r.sbn.getPackageName(), ex); 2167 } 2168 } 2169 } 2170 2171 // status bar 2172 if (r.getNotification().icon != 0) { 2173 final long identity = Binder.clearCallingIdentity(); 2174 try { 2175 mStatusBar.removeNotification(r.statusBarKey); 2176 } finally { 2177 Binder.restoreCallingIdentity(identity); 2178 } 2179 r.statusBarKey = null; 2180 notifyRemovedLocked(r); 2181 } 2182 2183 // sound 2184 if (mSoundNotification == r) { 2185 mSoundNotification = null; 2186 final long identity = Binder.clearCallingIdentity(); 2187 try { 2188 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 2189 if (player != null) { 2190 player.stopAsync(); 2191 } 2192 } catch (RemoteException e) { 2193 } finally { 2194 Binder.restoreCallingIdentity(identity); 2195 } 2196 } 2197 2198 // vibrate 2199 if (mVibrateNotification == r) { 2200 mVibrateNotification = null; 2201 long identity = Binder.clearCallingIdentity(); 2202 try { 2203 mVibrator.cancel(); 2204 } 2205 finally { 2206 Binder.restoreCallingIdentity(identity); 2207 } 2208 } 2209 2210 // light 2211 mLights.remove(r); 2212 if (mLedNotification == r) { 2213 mLedNotification = null; 2214 } 2215 2216 // Save it for users of getHistoricalNotifications() 2217 mArchive.record(r.sbn); 2218 } 2219 2220 /** 2221 * Cancels a notification ONLY if it has all of the {@code mustHaveFlags} 2222 * and none of the {@code mustNotHaveFlags}. 2223 */ 2224 void cancelNotification(final String pkg, final String tag, final int id, 2225 final int mustHaveFlags, final int mustNotHaveFlags, final boolean sendDelete, 2226 final int userId) { 2227 // In enqueueNotificationInternal notifications are added by scheduling the 2228 // work on the worker handler. Hence, we also schedule the cancel on this 2229 // handler to avoid a scenario where an add notification call followed by a 2230 // remove notification call ends up in not removing the notification. 2231 mHandler.post(new Runnable() { 2232 @Override 2233 public void run() { 2234 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL, pkg, id, tag, userId, 2235 mustHaveFlags, mustNotHaveFlags); 2236 2237 synchronized (mNotificationList) { 2238 int index = indexOfNotificationLocked(pkg, tag, id, userId); 2239 if (index >= 0) { 2240 NotificationRecord r = mNotificationList.get(index); 2241 2242 if ((r.getNotification().flags & mustHaveFlags) != mustHaveFlags) { 2243 return; 2244 } 2245 if ((r.getNotification().flags & mustNotHaveFlags) != 0) { 2246 return; 2247 } 2248 2249 mNotificationList.remove(index); 2250 2251 cancelNotificationLocked(r, sendDelete); 2252 updateLightsLocked(); 2253 } 2254 } 2255 } 2256 }); 2257 } 2258 2259 /** 2260 * Determine whether the userId applies to the notification in question, either because 2261 * they match exactly, or one of them is USER_ALL (which is treated as a wildcard). 2262 */ 2263 private boolean notificationMatchesUserId(NotificationRecord r, int userId) { 2264 return 2265 // looking for USER_ALL notifications? match everything 2266 userId == UserHandle.USER_ALL 2267 // a notification sent to USER_ALL matches any query 2268 || r.getUserId() == UserHandle.USER_ALL 2269 // an exact user match 2270 || r.getUserId() == userId; 2271 } 2272 2273 /** 2274 * Cancels all notifications from a given package that have all of the 2275 * {@code mustHaveFlags}. 2276 */ 2277 boolean cancelAllNotificationsInt(String pkg, int mustHaveFlags, 2278 int mustNotHaveFlags, boolean doit, int userId) { 2279 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL_ALL, pkg, userId, 2280 mustHaveFlags, mustNotHaveFlags); 2281 2282 synchronized (mNotificationList) { 2283 final int N = mNotificationList.size(); 2284 boolean canceledSomething = false; 2285 for (int i = N-1; i >= 0; --i) { 2286 NotificationRecord r = mNotificationList.get(i); 2287 if (!notificationMatchesUserId(r, userId)) { 2288 continue; 2289 } 2290 // Don't remove notifications to all, if there's no package name specified 2291 if (r.getUserId() == UserHandle.USER_ALL && pkg == null) { 2292 continue; 2293 } 2294 if ((r.getFlags() & mustHaveFlags) != mustHaveFlags) { 2295 continue; 2296 } 2297 if ((r.getFlags() & mustNotHaveFlags) != 0) { 2298 continue; 2299 } 2300 if (pkg != null && !r.sbn.getPackageName().equals(pkg)) { 2301 continue; 2302 } 2303 canceledSomething = true; 2304 if (!doit) { 2305 return true; 2306 } 2307 mNotificationList.remove(i); 2308 cancelNotificationLocked(r, false); 2309 } 2310 if (canceledSomething) { 2311 updateLightsLocked(); 2312 } 2313 return canceledSomething; 2314 } 2315 } 2316 2317 2318 2319 // Return true if the UID is a system or phone UID and therefore should not have 2320 // any notifications or toasts blocked. 2321 boolean isUidSystem(int uid) { 2322 final int appid = UserHandle.getAppId(uid); 2323 return (appid == Process.SYSTEM_UID || appid == Process.PHONE_UID || uid == 0); 2324 } 2325 2326 // same as isUidSystem(int, int) for the Binder caller's UID. 2327 boolean isCallerSystem() { 2328 return isUidSystem(Binder.getCallingUid()); 2329 } 2330 2331 void checkCallerIsSystem() { 2332 if (isCallerSystem()) { 2333 return; 2334 } 2335 throw new SecurityException("Disallowed call for uid " + Binder.getCallingUid()); 2336 } 2337 2338 void checkCallerIsSystemOrSameApp(String pkg) { 2339 if (isCallerSystem()) { 2340 return; 2341 } 2342 final int uid = Binder.getCallingUid(); 2343 try { 2344 ApplicationInfo ai = AppGlobals.getPackageManager().getApplicationInfo( 2345 pkg, 0, UserHandle.getCallingUserId()); 2346 if (!UserHandle.isSameApp(ai.uid, uid)) { 2347 throw new SecurityException("Calling uid " + uid + " gave package" 2348 + pkg + " which is owned by uid " + ai.uid); 2349 } 2350 } catch (RemoteException re) { 2351 throw new SecurityException("Unknown package " + pkg + "\n" + re); 2352 } 2353 } 2354 2355 void cancelAll(int userId) { 2356 synchronized (mNotificationList) { 2357 final int N = mNotificationList.size(); 2358 for (int i=N-1; i>=0; i--) { 2359 NotificationRecord r = mNotificationList.get(i); 2360 2361 if (!notificationMatchesUserId(r, userId)) { 2362 continue; 2363 } 2364 2365 if ((r.getFlags() & (Notification.FLAG_ONGOING_EVENT 2366 | Notification.FLAG_NO_CLEAR)) == 0) { 2367 mNotificationList.remove(i); 2368 cancelNotificationLocked(r, true); 2369 } 2370 } 2371 2372 updateLightsLocked(); 2373 } 2374 } 2375 2376 // lock on mNotificationList 2377 void updateLightsLocked() 2378 { 2379 // handle notification lights 2380 if (mLedNotification == null) { 2381 // get next notification, if any 2382 int n = mLights.size(); 2383 if (n > 0) { 2384 mLedNotification = mLights.get(n-1); 2385 } 2386 } 2387 2388 // Don't flash while we are in a call or screen is on 2389 if (mLedNotification == null || mInCall || mScreenOn) { 2390 mNotificationLight.turnOff(); 2391 } else { 2392 final Notification ledno = mLedNotification.sbn.getNotification(); 2393 int ledARGB = ledno.ledARGB; 2394 int ledOnMS = ledno.ledOnMS; 2395 int ledOffMS = ledno.ledOffMS; 2396 if ((ledno.defaults & Notification.DEFAULT_LIGHTS) != 0) { 2397 ledARGB = mDefaultNotificationColor; 2398 ledOnMS = mDefaultNotificationLedOn; 2399 ledOffMS = mDefaultNotificationLedOff; 2400 } 2401 if (mNotificationPulseEnabled) { 2402 // pulse repeatedly 2403 mNotificationLight.setFlashing(ledARGB, Light.LIGHT_FLASH_TIMED, 2404 ledOnMS, ledOffMS); 2405 } 2406 } 2407 } 2408 2409 // lock on mNotificationList 2410 int indexOfNotificationLocked(String pkg, String tag, int id, int userId) 2411 { 2412 ArrayList<NotificationRecord> list = mNotificationList; 2413 final int len = list.size(); 2414 for (int i=0; i<len; i++) { 2415 NotificationRecord r = list.get(i); 2416 if (!notificationMatchesUserId(r, userId) || r.sbn.getId() != id) { 2417 continue; 2418 } 2419 if (tag == null) { 2420 if (r.sbn.getTag() != null) { 2421 continue; 2422 } 2423 } else { 2424 if (!tag.equals(r.sbn.getTag())) { 2425 continue; 2426 } 2427 } 2428 if (r.sbn.getPackageName().equals(pkg)) { 2429 return i; 2430 } 2431 } 2432 return -1; 2433 } 2434 2435 private void updateNotificationPulse() { 2436 synchronized (mNotificationList) { 2437 updateLightsLocked(); 2438 } 2439 } 2440} 2441