NotificationManagerService.java revision 5d2eeb111a6e1e46a1fd25c73f55caa408fa8303
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 @Override 1122 public void onStart() { 1123 mAm = ActivityManagerNative.getDefault(); 1124 mAppOps = (AppOpsManager) getContext().getSystemService(Context.APP_OPS_SERVICE); 1125 mVibrator = (Vibrator) getContext().getSystemService(Context.VIBRATOR_SERVICE); 1126 1127 mHandler = new WorkerHandler(); 1128 1129 importOldBlockDb(); 1130 1131 mStatusBar = getLocalService(StatusBarManagerInternal.class); 1132 mStatusBar.setNotificationDelegate(mNotificationDelegate); 1133 1134 final LightsManager lights = getLocalService(LightsManager.class); 1135 mNotificationLight = lights.getLight(LightsManager.LIGHT_ID_NOTIFICATIONS); 1136 mAttentionLight = lights.getLight(LightsManager.LIGHT_ID_ATTENTION); 1137 1138 Resources resources = getContext().getResources(); 1139 mDefaultNotificationColor = resources.getColor( 1140 R.color.config_defaultNotificationColor); 1141 mDefaultNotificationLedOn = resources.getInteger( 1142 R.integer.config_defaultNotificationLedOn); 1143 mDefaultNotificationLedOff = resources.getInteger( 1144 R.integer.config_defaultNotificationLedOff); 1145 1146 mDefaultVibrationPattern = getLongArray(resources, 1147 R.array.config_defaultNotificationVibePattern, 1148 VIBRATE_PATTERN_MAXLEN, 1149 DEFAULT_VIBRATE_PATTERN); 1150 1151 mFallbackVibrationPattern = getLongArray(resources, 1152 R.array.config_notificationFallbackVibePattern, 1153 VIBRATE_PATTERN_MAXLEN, 1154 DEFAULT_VIBRATE_PATTERN); 1155 1156 // Don't start allowing notifications until the setup wizard has run once. 1157 // After that, including subsequent boots, init with notifications turned on. 1158 // This works on the first boot because the setup wizard will toggle this 1159 // flag at least once and we'll go back to 0 after that. 1160 if (0 == Settings.Global.getInt(getContext().getContentResolver(), 1161 Settings.Global.DEVICE_PROVISIONED, 0)) { 1162 mDisabledNotifications = StatusBarManager.DISABLE_NOTIFICATION_ALERTS; 1163 } 1164 1165 // register for various Intents 1166 IntentFilter filter = new IntentFilter(); 1167 filter.addAction(Intent.ACTION_SCREEN_ON); 1168 filter.addAction(Intent.ACTION_SCREEN_OFF); 1169 filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); 1170 filter.addAction(Intent.ACTION_USER_PRESENT); 1171 filter.addAction(Intent.ACTION_USER_STOPPED); 1172 filter.addAction(Intent.ACTION_USER_SWITCHED); 1173 getContext().registerReceiver(mIntentReceiver, filter); 1174 IntentFilter pkgFilter = new IntentFilter(); 1175 pkgFilter.addAction(Intent.ACTION_PACKAGE_ADDED); 1176 pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 1177 pkgFilter.addAction(Intent.ACTION_PACKAGE_CHANGED); 1178 pkgFilter.addAction(Intent.ACTION_PACKAGE_RESTARTED); 1179 pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); 1180 pkgFilter.addDataScheme("package"); 1181 getContext().registerReceiver(mIntentReceiver, pkgFilter); 1182 IntentFilter sdFilter = new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 1183 getContext().registerReceiver(mIntentReceiver, sdFilter); 1184 1185 mSettingsObserver = new SettingsObserver(mHandler); 1186 mSettingsObserver.observe(); 1187 1188 // spin up NotificationScorers 1189 String[] notificationScorerNames = resources.getStringArray( 1190 R.array.config_notificationScorers); 1191 for (String scorerName : notificationScorerNames) { 1192 try { 1193 Class<?> scorerClass = getContext().getClassLoader().loadClass(scorerName); 1194 NotificationScorer scorer = (NotificationScorer) scorerClass.newInstance(); 1195 scorer.initialize(getContext()); 1196 mScorers.add(scorer); 1197 } catch (ClassNotFoundException e) { 1198 Slog.w(TAG, "Couldn't find scorer " + scorerName + ".", e); 1199 } catch (InstantiationException e) { 1200 Slog.w(TAG, "Couldn't instantiate scorer " + scorerName + ".", e); 1201 } catch (IllegalAccessException e) { 1202 Slog.w(TAG, "Problem accessing scorer " + scorerName + ".", e); 1203 } 1204 } 1205 1206 publishBinderService(Context.NOTIFICATION_SERVICE, mService); 1207 publishLocalService(NotificationManagerInternal.class, mInternalService); 1208 } 1209 1210 /** 1211 * Read the old XML-based app block database and import those blockages into the AppOps system. 1212 */ 1213 private void importOldBlockDb() { 1214 loadBlockDb(); 1215 1216 PackageManager pm = getContext().getPackageManager(); 1217 for (String pkg : mBlockedPackages) { 1218 PackageInfo info = null; 1219 try { 1220 info = pm.getPackageInfo(pkg, 0); 1221 setNotificationsEnabledForPackageImpl(pkg, info.applicationInfo.uid, false); 1222 } catch (NameNotFoundException e) { 1223 // forget you 1224 } 1225 } 1226 mBlockedPackages.clear(); 1227 if (mPolicyFile != null) { 1228 mPolicyFile.delete(); 1229 } 1230 } 1231 1232 @Override 1233 public void onBootPhase(int phase) { 1234 if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) { 1235 // no beeping until we're basically done booting 1236 mSystemReady = true; 1237 1238 // Grab our optional AudioService 1239 mAudioManager = (AudioManager) getContext().getSystemService(Context.AUDIO_SERVICE); 1240 1241 // make sure our listener services are properly bound 1242 rebindListenerServices(); 1243 } 1244 } 1245 1246 void setNotificationsEnabledForPackageImpl(String pkg, int uid, boolean enabled) { 1247 Slog.v(TAG, (enabled?"en":"dis") + "abling notifications for " + pkg); 1248 1249 mAppOps.setMode(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg, 1250 enabled ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED); 1251 1252 // Now, cancel any outstanding notifications that are part of a just-disabled app 1253 if (ENABLE_BLOCKED_NOTIFICATIONS && !enabled) { 1254 cancelAllNotificationsInt(pkg, 0, 0, true, UserHandle.getUserId(uid)); 1255 } 1256 } 1257 1258 private final IBinder mService = new INotificationManager.Stub() { 1259 // Toasts 1260 // ============================================================================ 1261 1262 @Override 1263 public void enqueueToast(String pkg, ITransientNotification callback, int duration) 1264 { 1265 if (DBG) { 1266 Slog.i(TAG, "enqueueToast pkg=" + pkg + " callback=" + callback 1267 + " duration=" + duration); 1268 } 1269 1270 if (pkg == null || callback == null) { 1271 Slog.e(TAG, "Not doing toast. pkg=" + pkg + " callback=" + callback); 1272 return ; 1273 } 1274 1275 final boolean isSystemToast = isCallerSystem() || ("android".equals(pkg)); 1276 1277 if (ENABLE_BLOCKED_TOASTS && !noteNotificationOp(pkg, Binder.getCallingUid())) { 1278 if (!isSystemToast) { 1279 Slog.e(TAG, "Suppressing toast from package " + pkg + " by user request."); 1280 return; 1281 } 1282 } 1283 1284 synchronized (mToastQueue) { 1285 int callingPid = Binder.getCallingPid(); 1286 long callingId = Binder.clearCallingIdentity(); 1287 try { 1288 ToastRecord record; 1289 int index = indexOfToastLocked(pkg, callback); 1290 // If it's already in the queue, we update it in place, we don't 1291 // move it to the end of the queue. 1292 if (index >= 0) { 1293 record = mToastQueue.get(index); 1294 record.update(duration); 1295 } else { 1296 // Limit the number of toasts that any given package except the android 1297 // package can enqueue. Prevents DOS attacks and deals with leaks. 1298 if (!isSystemToast) { 1299 int count = 0; 1300 final int N = mToastQueue.size(); 1301 for (int i=0; i<N; i++) { 1302 final ToastRecord r = mToastQueue.get(i); 1303 if (r.pkg.equals(pkg)) { 1304 count++; 1305 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 1306 Slog.e(TAG, "Package has already posted " + count 1307 + " toasts. Not showing more. Package=" + pkg); 1308 return; 1309 } 1310 } 1311 } 1312 } 1313 1314 record = new ToastRecord(callingPid, pkg, callback, duration); 1315 mToastQueue.add(record); 1316 index = mToastQueue.size() - 1; 1317 keepProcessAliveLocked(callingPid); 1318 } 1319 // If it's at index 0, it's the current toast. It doesn't matter if it's 1320 // new or just been updated. Call back and tell it to show itself. 1321 // If the callback fails, this will remove it from the list, so don't 1322 // assume that it's valid after this. 1323 if (index == 0) { 1324 showNextToastLocked(); 1325 } 1326 } finally { 1327 Binder.restoreCallingIdentity(callingId); 1328 } 1329 } 1330 } 1331 1332 @Override 1333 public void cancelToast(String pkg, ITransientNotification callback) { 1334 Slog.i(TAG, "cancelToast pkg=" + pkg + " callback=" + callback); 1335 1336 if (pkg == null || callback == null) { 1337 Slog.e(TAG, "Not cancelling notification. pkg=" + pkg + " callback=" + callback); 1338 return ; 1339 } 1340 1341 synchronized (mToastQueue) { 1342 long callingId = Binder.clearCallingIdentity(); 1343 try { 1344 int index = indexOfToastLocked(pkg, callback); 1345 if (index >= 0) { 1346 cancelToastLocked(index); 1347 } else { 1348 Slog.w(TAG, "Toast already cancelled. pkg=" + pkg 1349 + " callback=" + callback); 1350 } 1351 } finally { 1352 Binder.restoreCallingIdentity(callingId); 1353 } 1354 } 1355 } 1356 1357 @Override 1358 public void enqueueNotificationWithTag(String pkg, String basePkg, String tag, int id, 1359 Notification notification, int[] idOut, int userId) throws RemoteException { 1360 enqueueNotificationInternal(pkg, basePkg, Binder.getCallingUid(), 1361 Binder.getCallingPid(), tag, id, notification, idOut, userId); 1362 } 1363 1364 @Override 1365 public void cancelNotificationWithTag(String pkg, String tag, int id, int userId) { 1366 checkCallerIsSystemOrSameApp(pkg); 1367 userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), 1368 Binder.getCallingUid(), userId, true, false, "cancelNotificationWithTag", pkg); 1369 // Don't allow client applications to cancel foreground service notis. 1370 cancelNotification(pkg, tag, id, 0, 1371 Binder.getCallingUid() == Process.SYSTEM_UID 1372 ? 0 : Notification.FLAG_FOREGROUND_SERVICE, false, userId); 1373 } 1374 1375 @Override 1376 public void cancelAllNotifications(String pkg, int userId) { 1377 checkCallerIsSystemOrSameApp(pkg); 1378 1379 userId = ActivityManager.handleIncomingUser(Binder.getCallingPid(), 1380 Binder.getCallingUid(), userId, true, false, "cancelAllNotifications", pkg); 1381 1382 // Calling from user space, don't allow the canceling of actively 1383 // running foreground services. 1384 cancelAllNotificationsInt(pkg, 0, Notification.FLAG_FOREGROUND_SERVICE, true, userId); 1385 } 1386 1387 @Override 1388 public void setNotificationsEnabledForPackage(String pkg, int uid, boolean enabled) { 1389 checkCallerIsSystem(); 1390 1391 setNotificationsEnabledForPackageImpl(pkg, uid, enabled); 1392 } 1393 1394 /** 1395 * Use this when you just want to know if notifications are OK for this package. 1396 */ 1397 @Override 1398 public boolean areNotificationsEnabledForPackage(String pkg, int uid) { 1399 checkCallerIsSystem(); 1400 return (mAppOps.checkOpNoThrow(AppOpsManager.OP_POST_NOTIFICATION, uid, pkg) 1401 == AppOpsManager.MODE_ALLOWED); 1402 } 1403 1404 /** 1405 * System-only API for getting a list of current (i.e. not cleared) notifications. 1406 * 1407 * Requires ACCESS_NOTIFICATIONS which is signature|system. 1408 */ 1409 @Override 1410 public StatusBarNotification[] getActiveNotifications(String callingPkg) { 1411 // enforce() will ensure the calling uid has the correct permission 1412 getContext().enforceCallingOrSelfPermission( 1413 android.Manifest.permission.ACCESS_NOTIFICATIONS, 1414 "NotificationManagerService.getActiveNotifications"); 1415 1416 StatusBarNotification[] tmp = null; 1417 int uid = Binder.getCallingUid(); 1418 1419 // noteOp will check to make sure the callingPkg matches the uid 1420 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) 1421 == AppOpsManager.MODE_ALLOWED) { 1422 synchronized (mNotificationList) { 1423 tmp = new StatusBarNotification[mNotificationList.size()]; 1424 final int N = mNotificationList.size(); 1425 for (int i=0; i<N; i++) { 1426 tmp[i] = mNotificationList.get(i).sbn; 1427 } 1428 } 1429 } 1430 return tmp; 1431 } 1432 1433 /** 1434 * System-only API for getting a list of recent (cleared, no longer shown) notifications. 1435 * 1436 * Requires ACCESS_NOTIFICATIONS which is signature|system. 1437 */ 1438 @Override 1439 public StatusBarNotification[] getHistoricalNotifications(String callingPkg, int count) { 1440 // enforce() will ensure the calling uid has the correct permission 1441 getContext().enforceCallingOrSelfPermission( 1442 android.Manifest.permission.ACCESS_NOTIFICATIONS, 1443 "NotificationManagerService.getHistoricalNotifications"); 1444 1445 StatusBarNotification[] tmp = null; 1446 int uid = Binder.getCallingUid(); 1447 1448 // noteOp will check to make sure the callingPkg matches the uid 1449 if (mAppOps.noteOpNoThrow(AppOpsManager.OP_ACCESS_NOTIFICATIONS, uid, callingPkg) 1450 == AppOpsManager.MODE_ALLOWED) { 1451 synchronized (mArchive) { 1452 tmp = mArchive.getArray(count); 1453 } 1454 } 1455 return tmp; 1456 } 1457 1458 /** 1459 * Register a listener binder directly with the notification manager. 1460 * 1461 * Only works with system callers. Apps should extend 1462 * {@link android.service.notification.NotificationListenerService}. 1463 */ 1464 @Override 1465 public void registerListener(final INotificationListener listener, 1466 final ComponentName component, final int userid) { 1467 checkCallerIsSystem(); 1468 registerListenerImpl(listener, component, userid); 1469 } 1470 1471 /** 1472 * Remove a listener binder directly 1473 */ 1474 @Override 1475 public void unregisterListener(INotificationListener listener, int userid) { 1476 // no need to check permissions; if your listener binder is in the list, 1477 // that's proof that you had permission to add it in the first place 1478 unregisterListenerImpl(listener, userid); 1479 } 1480 1481 /** 1482 * Allow an INotificationListener to simulate a "clear all" operation. 1483 * 1484 * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onClearAllNotifications} 1485 * 1486 * @param token The binder for the listener, to check that the caller is allowed 1487 */ 1488 @Override 1489 public void cancelAllNotificationsFromListener(INotificationListener token) { 1490 NotificationListenerInfo info = checkListenerToken(token); 1491 long identity = Binder.clearCallingIdentity(); 1492 try { 1493 cancelAll(info.userid); 1494 } finally { 1495 Binder.restoreCallingIdentity(identity); 1496 } 1497 } 1498 1499 /** 1500 * Allow an INotificationListener to simulate clearing (dismissing) a single notification. 1501 * 1502 * {@see com.android.server.StatusBarManagerService.NotificationCallbacks#onNotificationClear} 1503 * 1504 * @param token The binder for the listener, to check that the caller is allowed 1505 */ 1506 @Override 1507 public void cancelNotificationFromListener(INotificationListener token, String pkg, 1508 String tag, int id) { 1509 NotificationListenerInfo info = checkListenerToken(token); 1510 long identity = Binder.clearCallingIdentity(); 1511 try { 1512 cancelNotification(pkg, tag, id, 0, 1513 Notification.FLAG_ONGOING_EVENT | Notification.FLAG_FOREGROUND_SERVICE, 1514 true, 1515 info.userid); 1516 } finally { 1517 Binder.restoreCallingIdentity(identity); 1518 } 1519 } 1520 1521 /** 1522 * Allow an INotificationListener to request the list of outstanding notifications seen by 1523 * the current user. Useful when starting up, after which point the listener callbacks 1524 * should be used. 1525 * 1526 * @param token The binder for the listener, to check that the caller is allowed 1527 */ 1528 @Override 1529 public StatusBarNotification[] getActiveNotificationsFromListener( 1530 INotificationListener token) { 1531 NotificationListenerInfo info = checkListenerToken(token); 1532 1533 StatusBarNotification[] result = new StatusBarNotification[0]; 1534 ArrayList<StatusBarNotification> list = new ArrayList<StatusBarNotification>(); 1535 synchronized (mNotificationList) { 1536 final int N = mNotificationList.size(); 1537 for (int i=0; i<N; i++) { 1538 StatusBarNotification sbn = mNotificationList.get(i).sbn; 1539 if (info.enabledAndUserMatches(sbn)) { 1540 list.add(sbn); 1541 } 1542 } 1543 } 1544 return list.toArray(result); 1545 } 1546 1547 @Override 1548 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1549 if (getContext().checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1550 != PackageManager.PERMISSION_GRANTED) { 1551 pw.println("Permission Denial: can't dump NotificationManager from from pid=" 1552 + Binder.getCallingPid() 1553 + ", uid=" + Binder.getCallingUid()); 1554 return; 1555 } 1556 1557 dumpImpl(pw); 1558 } 1559 }; 1560 1561 void dumpImpl(PrintWriter pw) { 1562 pw.println("Current Notification Manager state:"); 1563 1564 pw.println(" Listeners (" + mEnabledListenersForCurrentUser.size() 1565 + ") enabled for current user:"); 1566 for (ComponentName cmpt : mEnabledListenersForCurrentUser) { 1567 pw.println(" " + cmpt); 1568 } 1569 1570 pw.println(" Live listeners (" + mListeners.size() + "):"); 1571 for (NotificationListenerInfo info : mListeners) { 1572 pw.println(" " + info.component 1573 + " (user " + info.userid + "): " + info.listener 1574 + (info.isSystem?" SYSTEM":"")); 1575 } 1576 1577 int N; 1578 1579 synchronized (mToastQueue) { 1580 N = mToastQueue.size(); 1581 if (N > 0) { 1582 pw.println(" Toast Queue:"); 1583 for (int i=0; i<N; i++) { 1584 mToastQueue.get(i).dump(pw, " "); 1585 } 1586 pw.println(" "); 1587 } 1588 1589 } 1590 1591 synchronized (mNotificationList) { 1592 N = mNotificationList.size(); 1593 if (N > 0) { 1594 pw.println(" Notification List:"); 1595 for (int i=0; i<N; i++) { 1596 mNotificationList.get(i).dump(pw, " ", getContext()); 1597 } 1598 pw.println(" "); 1599 } 1600 1601 N = mLights.size(); 1602 if (N > 0) { 1603 pw.println(" Lights List:"); 1604 for (int i=0; i<N; i++) { 1605 pw.println(" " + mLights.get(i)); 1606 } 1607 pw.println(" "); 1608 } 1609 1610 pw.println(" mSoundNotification=" + mSoundNotification); 1611 pw.println(" mVibrateNotification=" + mVibrateNotification); 1612 pw.println(" mDisabledNotifications=0x" 1613 + Integer.toHexString(mDisabledNotifications)); 1614 pw.println(" mSystemReady=" + mSystemReady); 1615 pw.println(" mArchive=" + mArchive.toString()); 1616 Iterator<StatusBarNotification> iter = mArchive.descendingIterator(); 1617 int i=0; 1618 while (iter.hasNext()) { 1619 pw.println(" " + iter.next()); 1620 if (++i >= 5) { 1621 if (iter.hasNext()) pw.println(" ..."); 1622 break; 1623 } 1624 } 1625 1626 } 1627 } 1628 1629 /** 1630 * The private API only accessible to the system process. 1631 */ 1632 private final NotificationManagerInternal mInternalService = new NotificationManagerInternal() { 1633 @Override 1634 public void enqueueNotification(String pkg, String basePkg, int callingUid, int callingPid, 1635 String tag, int id, Notification notification, int[] idReceived, int userId) { 1636 enqueueNotificationInternal(pkg, basePkg, callingUid, callingPid, tag, id, notification, 1637 idReceived, userId); 1638 } 1639 }; 1640 1641 void enqueueNotificationInternal(final String pkg, String basePkg, final int callingUid, 1642 final int callingPid, final String tag, final int id, final Notification notification, 1643 int[] idOut, int incomingUserId) { 1644 if (DBG) { 1645 Slog.v(TAG, "enqueueNotificationInternal: pkg=" + pkg + " id=" + id 1646 + " notification=" + notification); 1647 } 1648 checkCallerIsSystemOrSameApp(pkg); 1649 final boolean isSystemNotification = isUidSystem(callingUid) || ("android".equals(pkg)); 1650 1651 final int userId = ActivityManager.handleIncomingUser(callingPid, 1652 callingUid, incomingUserId, true, false, "enqueueNotification", pkg); 1653 final UserHandle user = new UserHandle(userId); 1654 1655 // Limit the number of notifications that any given package except the android 1656 // package can enqueue. Prevents DOS attacks and deals with leaks. 1657 if (!isSystemNotification) { 1658 synchronized (mNotificationList) { 1659 int count = 0; 1660 final int N = mNotificationList.size(); 1661 for (int i=0; i<N; i++) { 1662 final NotificationRecord r = mNotificationList.get(i); 1663 if (r.sbn.getPackageName().equals(pkg) && r.sbn.getUserId() == userId) { 1664 count++; 1665 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 1666 Slog.e(TAG, "Package has already posted " + count 1667 + " notifications. Not showing more. package=" + pkg); 1668 return; 1669 } 1670 } 1671 } 1672 } 1673 } 1674 1675 // This conditional is a dirty hack to limit the logging done on 1676 // behalf of the download manager without affecting other apps. 1677 if (!pkg.equals("com.android.providers.downloads") 1678 || Log.isLoggable("DownloadManager", Log.VERBOSE)) { 1679 EventLog.writeEvent(EventLogTags.NOTIFICATION_ENQUEUE, pkg, id, tag, userId, 1680 notification.toString()); 1681 } 1682 1683 if (pkg == null || notification == null) { 1684 throw new IllegalArgumentException("null not allowed: pkg=" + pkg 1685 + " id=" + id + " notification=" + notification); 1686 } 1687 if (notification.icon != 0) { 1688 if (notification.contentView == null) { 1689 throw new IllegalArgumentException("contentView required: pkg=" + pkg 1690 + " id=" + id + " notification=" + notification); 1691 } 1692 } 1693 1694 mHandler.post(new Runnable() { 1695 @Override 1696 public void run() { 1697 1698 // === Scoring === 1699 1700 // 0. Sanitize inputs 1701 notification.priority = clamp(notification.priority, Notification.PRIORITY_MIN, 1702 Notification.PRIORITY_MAX); 1703 // Migrate notification flags to scores 1704 if (0 != (notification.flags & Notification.FLAG_HIGH_PRIORITY)) { 1705 if (notification.priority < Notification.PRIORITY_MAX) { 1706 notification.priority = Notification.PRIORITY_MAX; 1707 } 1708 } else if (SCORE_ONGOING_HIGHER && 1709 0 != (notification.flags & Notification.FLAG_ONGOING_EVENT)) { 1710 if (notification.priority < Notification.PRIORITY_HIGH) { 1711 notification.priority = Notification.PRIORITY_HIGH; 1712 } 1713 } 1714 1715 // 1. initial score: buckets of 10, around the app 1716 int score = notification.priority * NOTIFICATION_PRIORITY_MULTIPLIER; //[-20..20] 1717 1718 // 2. Consult external heuristics (TBD) 1719 1720 // 3. Apply local rules 1721 1722 int initialScore = score; 1723 if (!mScorers.isEmpty()) { 1724 if (DBG) Slog.v(TAG, "Initial score is " + score + "."); 1725 for (NotificationScorer scorer : mScorers) { 1726 try { 1727 score = scorer.getScore(notification, score); 1728 } catch (Throwable t) { 1729 Slog.w(TAG, "Scorer threw on .getScore.", t); 1730 } 1731 } 1732 if (DBG) Slog.v(TAG, "Final score is " + score + "."); 1733 } 1734 1735 // add extra to indicate score modified by NotificationScorer 1736 notification.extras.putBoolean(Notification.EXTRA_SCORE_MODIFIED, 1737 score != initialScore); 1738 1739 // blocked apps 1740 if (ENABLE_BLOCKED_NOTIFICATIONS && !noteNotificationOp(pkg, callingUid)) { 1741 if (!isSystemNotification) { 1742 score = JUNK_SCORE; 1743 Slog.e(TAG, "Suppressing notification from package " + pkg 1744 + " by user request."); 1745 } 1746 } 1747 1748 if (DBG) { 1749 Slog.v(TAG, "Assigned score=" + score + " to " + notification); 1750 } 1751 1752 if (score < SCORE_DISPLAY_THRESHOLD) { 1753 // Notification will be blocked because the score is too low. 1754 return; 1755 } 1756 1757 // Should this notification make noise, vibe, or use the LED? 1758 final boolean canInterrupt = (score >= SCORE_INTERRUPTION_THRESHOLD); 1759 1760 synchronized (mNotificationList) { 1761 final StatusBarNotification n = new StatusBarNotification( 1762 pkg, id, tag, callingUid, callingPid, score, notification, user); 1763 NotificationRecord r = new NotificationRecord(n); 1764 NotificationRecord old = null; 1765 1766 int index = indexOfNotificationLocked(pkg, tag, id, userId); 1767 if (index < 0) { 1768 mNotificationList.add(r); 1769 } else { 1770 old = mNotificationList.remove(index); 1771 mNotificationList.add(index, r); 1772 // Make sure we don't lose the foreground service state. 1773 if (old != null) { 1774 notification.flags |= 1775 old.getNotification().flags & Notification.FLAG_FOREGROUND_SERVICE; 1776 } 1777 } 1778 1779 // Ensure if this is a foreground service that the proper additional 1780 // flags are set. 1781 if ((notification.flags&Notification.FLAG_FOREGROUND_SERVICE) != 0) { 1782 notification.flags |= Notification.FLAG_ONGOING_EVENT 1783 | Notification.FLAG_NO_CLEAR; 1784 } 1785 1786 final int currentUser; 1787 final long token = Binder.clearCallingIdentity(); 1788 try { 1789 currentUser = ActivityManager.getCurrentUser(); 1790 } finally { 1791 Binder.restoreCallingIdentity(token); 1792 } 1793 1794 if (notification.icon != 0) { 1795 if (old != null && old.statusBarKey != null) { 1796 r.statusBarKey = old.statusBarKey; 1797 final long identity = Binder.clearCallingIdentity(); 1798 try { 1799 mStatusBar.updateNotification(r.statusBarKey, n); 1800 } finally { 1801 Binder.restoreCallingIdentity(identity); 1802 } 1803 } else { 1804 final long identity = Binder.clearCallingIdentity(); 1805 try { 1806 r.statusBarKey = mStatusBar.addNotification(n); 1807 if ((n.getNotification().flags & Notification.FLAG_SHOW_LIGHTS) != 0 1808 && canInterrupt) { 1809 mAttentionLight.pulse(); 1810 } 1811 } finally { 1812 Binder.restoreCallingIdentity(identity); 1813 } 1814 } 1815 // Send accessibility events only for the current user. 1816 if (currentUser == userId) { 1817 sendAccessibilityEvent(notification, pkg); 1818 } 1819 1820 notifyPostedLocked(r); 1821 } else { 1822 Slog.e(TAG, "Not posting notification with icon==0: " + notification); 1823 if (old != null && old.statusBarKey != null) { 1824 final long identity = Binder.clearCallingIdentity(); 1825 try { 1826 mStatusBar.removeNotification(old.statusBarKey); 1827 } finally { 1828 Binder.restoreCallingIdentity(identity); 1829 } 1830 1831 notifyRemovedLocked(r); 1832 } 1833 // ATTENTION: in a future release we will bail out here 1834 // so that we do not play sounds, show lights, etc. for invalid 1835 // notifications 1836 Slog.e(TAG, "WARNING: In a future release this will crash the app: " 1837 + n.getPackageName()); 1838 } 1839 1840 // If we're not supposed to beep, vibrate, etc. then don't. 1841 if (((mDisabledNotifications 1842 & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) == 0) 1843 && (!(old != null 1844 && (notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0 )) 1845 && (r.getUserId() == UserHandle.USER_ALL || 1846 (r.getUserId() == userId && r.getUserId() == currentUser)) 1847 && canInterrupt 1848 && mSystemReady 1849 && mAudioManager != null) { 1850 1851 // sound 1852 1853 // should we use the default notification sound? (indicated either by 1854 // DEFAULT_SOUND or because notification.sound is pointing at 1855 // Settings.System.NOTIFICATION_SOUND) 1856 final boolean useDefaultSound = 1857 (notification.defaults & Notification.DEFAULT_SOUND) != 0 || 1858 Settings.System.DEFAULT_NOTIFICATION_URI 1859 .equals(notification.sound); 1860 1861 Uri soundUri = null; 1862 boolean hasValidSound = false; 1863 1864 if (useDefaultSound) { 1865 soundUri = Settings.System.DEFAULT_NOTIFICATION_URI; 1866 1867 // check to see if the default notification sound is silent 1868 ContentResolver resolver = getContext().getContentResolver(); 1869 hasValidSound = Settings.System.getString(resolver, 1870 Settings.System.NOTIFICATION_SOUND) != null; 1871 } else if (notification.sound != null) { 1872 soundUri = notification.sound; 1873 hasValidSound = (soundUri != null); 1874 } 1875 1876 if (hasValidSound) { 1877 boolean looping = 1878 (notification.flags & Notification.FLAG_INSISTENT) != 0; 1879 int audioStreamType; 1880 if (notification.audioStreamType >= 0) { 1881 audioStreamType = notification.audioStreamType; 1882 } else { 1883 audioStreamType = DEFAULT_STREAM_TYPE; 1884 } 1885 mSoundNotification = r; 1886 // do not play notifications if stream volume is 0 (typically because 1887 // ringer mode is silent) or if there is a user of exclusive audio focus 1888 if ((mAudioManager.getStreamVolume(audioStreamType) != 0) 1889 && !mAudioManager.isAudioFocusExclusive()) { 1890 final long identity = Binder.clearCallingIdentity(); 1891 try { 1892 final IRingtonePlayer player = 1893 mAudioManager.getRingtonePlayer(); 1894 if (player != null) { 1895 player.playAsync(soundUri, user, looping, audioStreamType); 1896 } 1897 } catch (RemoteException e) { 1898 } finally { 1899 Binder.restoreCallingIdentity(identity); 1900 } 1901 } 1902 } 1903 1904 // vibrate 1905 // Does the notification want to specify its own vibration? 1906 final boolean hasCustomVibrate = notification.vibrate != null; 1907 1908 // new in 4.2: if there was supposed to be a sound and we're in vibrate 1909 // mode, and no other vibration is specified, we fall back to vibration 1910 final boolean convertSoundToVibration = 1911 !hasCustomVibrate 1912 && hasValidSound 1913 && (mAudioManager.getRingerMode() 1914 == AudioManager.RINGER_MODE_VIBRATE); 1915 1916 // The DEFAULT_VIBRATE flag trumps any custom vibration AND the fallback. 1917 final boolean useDefaultVibrate = 1918 (notification.defaults & Notification.DEFAULT_VIBRATE) != 0; 1919 1920 if ((useDefaultVibrate || convertSoundToVibration || hasCustomVibrate) 1921 && !(mAudioManager.getRingerMode() 1922 == AudioManager.RINGER_MODE_SILENT)) { 1923 mVibrateNotification = r; 1924 1925 if (useDefaultVibrate || convertSoundToVibration) { 1926 // Escalate privileges so we can use the vibrator even if the 1927 // notifying app does not have the VIBRATE permission. 1928 long identity = Binder.clearCallingIdentity(); 1929 try { 1930 mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), 1931 useDefaultVibrate ? mDefaultVibrationPattern 1932 : mFallbackVibrationPattern, 1933 ((notification.flags & Notification.FLAG_INSISTENT) != 0) 1934 ? 0: -1); 1935 } finally { 1936 Binder.restoreCallingIdentity(identity); 1937 } 1938 } else if (notification.vibrate.length > 1) { 1939 // If you want your own vibration pattern, you need the VIBRATE 1940 // permission 1941 mVibrator.vibrate(r.sbn.getUid(), r.sbn.getBasePkg(), 1942 notification.vibrate, 1943 ((notification.flags & Notification.FLAG_INSISTENT) != 0) 1944 ? 0: -1); 1945 } 1946 } 1947 } 1948 1949 // light 1950 // the most recent thing gets the light 1951 mLights.remove(old); 1952 if (mLedNotification == old) { 1953 mLedNotification = null; 1954 } 1955 //Slog.i(TAG, "notification.lights=" 1956 // + ((old.notification.lights.flags & Notification.FLAG_SHOW_LIGHTS) 1957 // != 0)); 1958 if ((notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0 1959 && canInterrupt) { 1960 mLights.add(r); 1961 updateLightsLocked(); 1962 } else { 1963 if (old != null 1964 && ((old.getFlags() & Notification.FLAG_SHOW_LIGHTS) != 0)) { 1965 updateLightsLocked(); 1966 } 1967 } 1968 } 1969 } 1970 }); 1971 1972 idOut[0] = id; 1973 } 1974 1975 void registerListenerImpl(final INotificationListener listener, 1976 final ComponentName component, final int userid) { 1977 synchronized (mNotificationList) { 1978 try { 1979 NotificationListenerInfo info 1980 = new NotificationListenerInfo(listener, component, userid, true); 1981 listener.asBinder().linkToDeath(info, 0); 1982 mListeners.add(info); 1983 } catch (RemoteException e) { 1984 // already dead 1985 } 1986 } 1987 } 1988 1989 void unregisterListenerImpl(final INotificationListener listener, final int userid) { 1990 synchronized (mNotificationList) { 1991 final int N = mListeners.size(); 1992 for (int i=N-1; i>=0; i--) { 1993 final NotificationListenerInfo info = mListeners.get(i); 1994 if (info.listener.asBinder() == listener.asBinder() 1995 && info.userid == userid) { 1996 mListeners.remove(i); 1997 if (info.connection != null) { 1998 getContext().unbindService(info.connection); 1999 } 2000 } 2001 } 2002 } 2003 } 2004 2005 void showNextToastLocked() { 2006 ToastRecord record = mToastQueue.get(0); 2007 while (record != null) { 2008 if (DBG) Slog.d(TAG, "Show pkg=" + record.pkg + " callback=" + record.callback); 2009 try { 2010 record.callback.show(); 2011 scheduleTimeoutLocked(record); 2012 return; 2013 } catch (RemoteException e) { 2014 Slog.w(TAG, "Object died trying to show notification " + record.callback 2015 + " in package " + record.pkg); 2016 // remove it from the list and let the process die 2017 int index = mToastQueue.indexOf(record); 2018 if (index >= 0) { 2019 mToastQueue.remove(index); 2020 } 2021 keepProcessAliveLocked(record.pid); 2022 if (mToastQueue.size() > 0) { 2023 record = mToastQueue.get(0); 2024 } else { 2025 record = null; 2026 } 2027 } 2028 } 2029 } 2030 2031 void cancelToastLocked(int index) { 2032 ToastRecord record = mToastQueue.get(index); 2033 try { 2034 record.callback.hide(); 2035 } catch (RemoteException e) { 2036 Slog.w(TAG, "Object died trying to hide notification " + record.callback 2037 + " in package " + record.pkg); 2038 // don't worry about this, we're about to remove it from 2039 // the list anyway 2040 } 2041 mToastQueue.remove(index); 2042 keepProcessAliveLocked(record.pid); 2043 if (mToastQueue.size() > 0) { 2044 // Show the next one. If the callback fails, this will remove 2045 // it from the list, so don't assume that the list hasn't changed 2046 // after this point. 2047 showNextToastLocked(); 2048 } 2049 } 2050 2051 private void scheduleTimeoutLocked(ToastRecord r) 2052 { 2053 mHandler.removeCallbacksAndMessages(r); 2054 Message m = Message.obtain(mHandler, MESSAGE_TIMEOUT, r); 2055 long delay = r.duration == Toast.LENGTH_LONG ? LONG_DELAY : SHORT_DELAY; 2056 mHandler.sendMessageDelayed(m, delay); 2057 } 2058 2059 private void handleTimeout(ToastRecord record) 2060 { 2061 if (DBG) Slog.d(TAG, "Timeout pkg=" + record.pkg + " callback=" + record.callback); 2062 synchronized (mToastQueue) { 2063 int index = indexOfToastLocked(record.pkg, record.callback); 2064 if (index >= 0) { 2065 cancelToastLocked(index); 2066 } 2067 } 2068 } 2069 2070 // lock on mToastQueue 2071 int indexOfToastLocked(String pkg, ITransientNotification callback) 2072 { 2073 IBinder cbak = callback.asBinder(); 2074 ArrayList<ToastRecord> list = mToastQueue; 2075 int len = list.size(); 2076 for (int i=0; i<len; i++) { 2077 ToastRecord r = list.get(i); 2078 if (r.pkg.equals(pkg) && r.callback.asBinder() == cbak) { 2079 return i; 2080 } 2081 } 2082 return -1; 2083 } 2084 2085 // lock on mToastQueue 2086 void keepProcessAliveLocked(int pid) 2087 { 2088 int toastCount = 0; // toasts from this pid 2089 ArrayList<ToastRecord> list = mToastQueue; 2090 int N = list.size(); 2091 for (int i=0; i<N; i++) { 2092 ToastRecord r = list.get(i); 2093 if (r.pid == pid) { 2094 toastCount++; 2095 } 2096 } 2097 try { 2098 mAm.setProcessForeground(mForegroundToken, pid, toastCount > 0); 2099 } catch (RemoteException e) { 2100 // Shouldn't happen. 2101 } 2102 } 2103 2104 private final class WorkerHandler extends Handler 2105 { 2106 @Override 2107 public void handleMessage(Message msg) 2108 { 2109 switch (msg.what) 2110 { 2111 case MESSAGE_TIMEOUT: 2112 handleTimeout((ToastRecord)msg.obj); 2113 break; 2114 } 2115 } 2116 } 2117 2118 2119 // Notifications 2120 // ============================================================================ 2121 static int clamp(int x, int low, int high) { 2122 return (x < low) ? low : ((x > high) ? high : x); 2123 } 2124 2125 void sendAccessibilityEvent(Notification notification, CharSequence packageName) { 2126 AccessibilityManager manager = AccessibilityManager.getInstance(getContext()); 2127 if (!manager.isEnabled()) { 2128 return; 2129 } 2130 2131 AccessibilityEvent event = 2132 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); 2133 event.setPackageName(packageName); 2134 event.setClassName(Notification.class.getName()); 2135 event.setParcelableData(notification); 2136 CharSequence tickerText = notification.tickerText; 2137 if (!TextUtils.isEmpty(tickerText)) { 2138 event.getText().add(tickerText); 2139 } 2140 2141 manager.sendAccessibilityEvent(event); 2142 } 2143 2144 private void cancelNotificationLocked(NotificationRecord r, boolean sendDelete) { 2145 // tell the app 2146 if (sendDelete) { 2147 if (r.getNotification().deleteIntent != null) { 2148 try { 2149 r.getNotification().deleteIntent.send(); 2150 } catch (PendingIntent.CanceledException ex) { 2151 // do nothing - there's no relevant way to recover, and 2152 // no reason to let this propagate 2153 Slog.w(TAG, "canceled PendingIntent for " + r.sbn.getPackageName(), ex); 2154 } 2155 } 2156 } 2157 2158 // status bar 2159 if (r.getNotification().icon != 0) { 2160 final long identity = Binder.clearCallingIdentity(); 2161 try { 2162 mStatusBar.removeNotification(r.statusBarKey); 2163 } finally { 2164 Binder.restoreCallingIdentity(identity); 2165 } 2166 r.statusBarKey = null; 2167 notifyRemovedLocked(r); 2168 } 2169 2170 // sound 2171 if (mSoundNotification == r) { 2172 mSoundNotification = null; 2173 final long identity = Binder.clearCallingIdentity(); 2174 try { 2175 final IRingtonePlayer player = mAudioManager.getRingtonePlayer(); 2176 if (player != null) { 2177 player.stopAsync(); 2178 } 2179 } catch (RemoteException e) { 2180 } finally { 2181 Binder.restoreCallingIdentity(identity); 2182 } 2183 } 2184 2185 // vibrate 2186 if (mVibrateNotification == r) { 2187 mVibrateNotification = null; 2188 long identity = Binder.clearCallingIdentity(); 2189 try { 2190 mVibrator.cancel(); 2191 } 2192 finally { 2193 Binder.restoreCallingIdentity(identity); 2194 } 2195 } 2196 2197 // light 2198 mLights.remove(r); 2199 if (mLedNotification == r) { 2200 mLedNotification = null; 2201 } 2202 2203 // Save it for users of getHistoricalNotifications() 2204 mArchive.record(r.sbn); 2205 } 2206 2207 /** 2208 * Cancels a notification ONLY if it has all of the {@code mustHaveFlags} 2209 * and none of the {@code mustNotHaveFlags}. 2210 */ 2211 void cancelNotification(final String pkg, final String tag, final int id, 2212 final int mustHaveFlags, final int mustNotHaveFlags, final boolean sendDelete, 2213 final int userId) { 2214 // In enqueueNotificationInternal notifications are added by scheduling the 2215 // work on the worker handler. Hence, we also schedule the cancel on this 2216 // handler to avoid a scenario where an add notification call followed by a 2217 // remove notification call ends up in not removing the notification. 2218 mHandler.post(new Runnable() { 2219 @Override 2220 public void run() { 2221 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL, pkg, id, tag, userId, 2222 mustHaveFlags, mustNotHaveFlags); 2223 2224 synchronized (mNotificationList) { 2225 int index = indexOfNotificationLocked(pkg, tag, id, userId); 2226 if (index >= 0) { 2227 NotificationRecord r = mNotificationList.get(index); 2228 2229 if ((r.getNotification().flags & mustHaveFlags) != mustHaveFlags) { 2230 return; 2231 } 2232 if ((r.getNotification().flags & mustNotHaveFlags) != 0) { 2233 return; 2234 } 2235 2236 mNotificationList.remove(index); 2237 2238 cancelNotificationLocked(r, sendDelete); 2239 updateLightsLocked(); 2240 } 2241 } 2242 } 2243 }); 2244 } 2245 2246 /** 2247 * Determine whether the userId applies to the notification in question, either because 2248 * they match exactly, or one of them is USER_ALL (which is treated as a wildcard). 2249 */ 2250 private boolean notificationMatchesUserId(NotificationRecord r, int userId) { 2251 return 2252 // looking for USER_ALL notifications? match everything 2253 userId == UserHandle.USER_ALL 2254 // a notification sent to USER_ALL matches any query 2255 || r.getUserId() == UserHandle.USER_ALL 2256 // an exact user match 2257 || r.getUserId() == userId; 2258 } 2259 2260 /** 2261 * Cancels all notifications from a given package that have all of the 2262 * {@code mustHaveFlags}. 2263 */ 2264 boolean cancelAllNotificationsInt(String pkg, int mustHaveFlags, 2265 int mustNotHaveFlags, boolean doit, int userId) { 2266 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL_ALL, pkg, userId, 2267 mustHaveFlags, mustNotHaveFlags); 2268 2269 synchronized (mNotificationList) { 2270 final int N = mNotificationList.size(); 2271 boolean canceledSomething = false; 2272 for (int i = N-1; i >= 0; --i) { 2273 NotificationRecord r = mNotificationList.get(i); 2274 if (!notificationMatchesUserId(r, userId)) { 2275 continue; 2276 } 2277 // Don't remove notifications to all, if there's no package name specified 2278 if (r.getUserId() == UserHandle.USER_ALL && pkg == null) { 2279 continue; 2280 } 2281 if ((r.getFlags() & mustHaveFlags) != mustHaveFlags) { 2282 continue; 2283 } 2284 if ((r.getFlags() & mustNotHaveFlags) != 0) { 2285 continue; 2286 } 2287 if (pkg != null && !r.sbn.getPackageName().equals(pkg)) { 2288 continue; 2289 } 2290 canceledSomething = true; 2291 if (!doit) { 2292 return true; 2293 } 2294 mNotificationList.remove(i); 2295 cancelNotificationLocked(r, false); 2296 } 2297 if (canceledSomething) { 2298 updateLightsLocked(); 2299 } 2300 return canceledSomething; 2301 } 2302 } 2303 2304 2305 2306 // Return true if the UID is a system or phone UID and therefore should not have 2307 // any notifications or toasts blocked. 2308 boolean isUidSystem(int uid) { 2309 final int appid = UserHandle.getAppId(uid); 2310 return (appid == Process.SYSTEM_UID || appid == Process.PHONE_UID || uid == 0); 2311 } 2312 2313 // same as isUidSystem(int, int) for the Binder caller's UID. 2314 boolean isCallerSystem() { 2315 return isUidSystem(Binder.getCallingUid()); 2316 } 2317 2318 void checkCallerIsSystem() { 2319 if (isCallerSystem()) { 2320 return; 2321 } 2322 throw new SecurityException("Disallowed call for uid " + Binder.getCallingUid()); 2323 } 2324 2325 void checkCallerIsSystemOrSameApp(String pkg) { 2326 if (isCallerSystem()) { 2327 return; 2328 } 2329 final int uid = Binder.getCallingUid(); 2330 try { 2331 ApplicationInfo ai = AppGlobals.getPackageManager().getApplicationInfo( 2332 pkg, 0, UserHandle.getCallingUserId()); 2333 if (!UserHandle.isSameApp(ai.uid, uid)) { 2334 throw new SecurityException("Calling uid " + uid + " gave package" 2335 + pkg + " which is owned by uid " + ai.uid); 2336 } 2337 } catch (RemoteException re) { 2338 throw new SecurityException("Unknown package " + pkg + "\n" + re); 2339 } 2340 } 2341 2342 void cancelAll(int userId) { 2343 synchronized (mNotificationList) { 2344 final int N = mNotificationList.size(); 2345 for (int i=N-1; i>=0; i--) { 2346 NotificationRecord r = mNotificationList.get(i); 2347 2348 if (!notificationMatchesUserId(r, userId)) { 2349 continue; 2350 } 2351 2352 if ((r.getFlags() & (Notification.FLAG_ONGOING_EVENT 2353 | Notification.FLAG_NO_CLEAR)) == 0) { 2354 mNotificationList.remove(i); 2355 cancelNotificationLocked(r, true); 2356 } 2357 } 2358 2359 updateLightsLocked(); 2360 } 2361 } 2362 2363 // lock on mNotificationList 2364 void updateLightsLocked() 2365 { 2366 // handle notification lights 2367 if (mLedNotification == null) { 2368 // get next notification, if any 2369 int n = mLights.size(); 2370 if (n > 0) { 2371 mLedNotification = mLights.get(n-1); 2372 } 2373 } 2374 2375 // Don't flash while we are in a call or screen is on 2376 if (mLedNotification == null || mInCall || mScreenOn) { 2377 mNotificationLight.turnOff(); 2378 } else { 2379 final Notification ledno = mLedNotification.sbn.getNotification(); 2380 int ledARGB = ledno.ledARGB; 2381 int ledOnMS = ledno.ledOnMS; 2382 int ledOffMS = ledno.ledOffMS; 2383 if ((ledno.defaults & Notification.DEFAULT_LIGHTS) != 0) { 2384 ledARGB = mDefaultNotificationColor; 2385 ledOnMS = mDefaultNotificationLedOn; 2386 ledOffMS = mDefaultNotificationLedOff; 2387 } 2388 if (mNotificationPulseEnabled) { 2389 // pulse repeatedly 2390 mNotificationLight.setFlashing(ledARGB, Light.LIGHT_FLASH_TIMED, 2391 ledOnMS, ledOffMS); 2392 } 2393 } 2394 } 2395 2396 // lock on mNotificationList 2397 int indexOfNotificationLocked(String pkg, String tag, int id, int userId) 2398 { 2399 ArrayList<NotificationRecord> list = mNotificationList; 2400 final int len = list.size(); 2401 for (int i=0; i<len; i++) { 2402 NotificationRecord r = list.get(i); 2403 if (!notificationMatchesUserId(r, userId) || r.sbn.getId() != id) { 2404 continue; 2405 } 2406 if (tag == null) { 2407 if (r.sbn.getTag() != null) { 2408 continue; 2409 } 2410 } else { 2411 if (!tag.equals(r.sbn.getTag())) { 2412 continue; 2413 } 2414 } 2415 if (r.sbn.getPackageName().equals(pkg)) { 2416 return i; 2417 } 2418 } 2419 return -1; 2420 } 2421 2422 private void updateNotificationPulse() { 2423 synchronized (mNotificationList) { 2424 updateLightsLocked(); 2425 } 2426 } 2427} 2428