NotificationManagerService.java revision 91cf049f34b4f3d53d39e868104f11156a332b65
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; 18 19import com.android.internal.statusbar.StatusBarNotification; 20import com.android.server.StatusBarManagerService; 21 22import android.app.ActivityManagerNative; 23import android.app.IActivityManager; 24import android.app.INotificationManager; 25import android.app.ITransientNotification; 26import android.app.Notification; 27import android.app.NotificationManager; 28import android.app.PendingIntent; 29import android.app.StatusBarManager; 30import android.content.BroadcastReceiver; 31import android.content.ComponentName; 32import android.content.ContentResolver; 33import android.content.Context; 34import android.content.Intent; 35import android.content.IntentFilter; 36import android.content.pm.ApplicationInfo; 37import android.content.pm.PackageManager; 38import android.content.pm.PackageManager.NameNotFoundException; 39import android.content.res.Resources; 40import android.database.ContentObserver; 41import android.hardware.Usb; 42import android.media.AudioManager; 43import android.net.Uri; 44import android.os.BatteryManager; 45import android.os.Bundle; 46import android.os.Binder; 47import android.os.Handler; 48import android.os.IBinder; 49import android.os.Message; 50import android.os.Power; 51import android.os.Process; 52import android.os.RemoteException; 53import android.os.SystemProperties; 54import android.os.Vibrator; 55import android.provider.Settings; 56import android.telephony.TelephonyManager; 57import android.text.TextUtils; 58import android.util.EventLog; 59import android.util.Slog; 60import android.util.Log; 61import android.view.accessibility.AccessibilityEvent; 62import android.view.accessibility.AccessibilityManager; 63import android.widget.Toast; 64 65import java.io.FileDescriptor; 66import java.io.PrintWriter; 67import java.util.ArrayList; 68import java.util.Arrays; 69 70/** {@hide} */ 71public class NotificationManagerService extends INotificationManager.Stub 72{ 73 private static final String TAG = "NotificationService"; 74 private static final boolean DBG = false; 75 76 private static final int MAX_PACKAGE_NOTIFICATIONS = 50; 77 78 // message codes 79 private static final int MESSAGE_TIMEOUT = 2; 80 81 private static final int LONG_DELAY = 3500; // 3.5 seconds 82 private static final int SHORT_DELAY = 2000; // 2 seconds 83 84 private static final long[] DEFAULT_VIBRATE_PATTERN = {0, 250, 250, 250}; 85 86 private static final int DEFAULT_STREAM_TYPE = AudioManager.STREAM_NOTIFICATION; 87 88 final Context mContext; 89 final IActivityManager mAm; 90 final IBinder mForegroundToken = new Binder(); 91 92 private WorkerHandler mHandler; 93 private StatusBarManagerService mStatusBar; 94 private LightsService mLightsService; 95 private LightsService.Light mBatteryLight; 96 private LightsService.Light mNotificationLight; 97 private LightsService.Light mAttentionLight; 98 99 private int mDefaultNotificationColor; 100 private int mDefaultNotificationLedOn; 101 private int mDefaultNotificationLedOff; 102 103 private NotificationRecord mSoundNotification; 104 private NotificationPlayer mSound; 105 private boolean mSystemReady; 106 private int mDisabledNotifications; 107 108 private NotificationRecord mVibrateNotification; 109 private Vibrator mVibrator = new Vibrator(); 110 111 // for enabling and disabling notification pulse behavior 112 private boolean mScreenOn = true; 113 private boolean mInCall = false; 114 private boolean mNotificationPulseEnabled; 115 // This is true if we have received a new notification while the screen is off 116 // (that is, if mLedNotification was set while the screen was off) 117 // This is reset to false when the screen is turned on. 118 private boolean mPendingPulseNotification; 119 120 // for adb connected notifications 121 private boolean mAdbNotificationShown = false; 122 private Notification mAdbNotification; 123 124 private final ArrayList<NotificationRecord> mNotificationList = 125 new ArrayList<NotificationRecord>(); 126 127 private ArrayList<ToastRecord> mToastQueue; 128 129 private ArrayList<NotificationRecord> mLights = new ArrayList<NotificationRecord>(); 130 131 private boolean mBatteryCharging; 132 private boolean mBatteryLow; 133 private boolean mBatteryFull; 134 private NotificationRecord mLedNotification; 135 136 private static int mBatteryLowARGB; 137 private static int mBatteryMediumARGB; 138 private static int mBatteryFullARGB; 139 private static int mBatteryLedOn; 140 private static int mBatteryLedOff; 141 142 private static String idDebugString(Context baseContext, String packageName, int id) { 143 Context c = null; 144 145 if (packageName != null) { 146 try { 147 c = baseContext.createPackageContext(packageName, 0); 148 } catch (NameNotFoundException e) { 149 c = baseContext; 150 } 151 } else { 152 c = baseContext; 153 } 154 155 String pkg; 156 String type; 157 String name; 158 159 Resources r = c.getResources(); 160 try { 161 return r.getResourceName(id); 162 } catch (Resources.NotFoundException e) { 163 return "<name unknown>"; 164 } 165 } 166 167 private static final class NotificationRecord 168 { 169 final String pkg; 170 final String tag; 171 final int id; 172 final int uid; 173 final int initialPid; 174 ITransientNotification callback; 175 int duration; 176 final Notification notification; 177 IBinder statusBarKey; 178 179 NotificationRecord(String pkg, String tag, int id, int uid, int initialPid, 180 Notification notification) 181 { 182 this.pkg = pkg; 183 this.tag = tag; 184 this.id = id; 185 this.uid = uid; 186 this.initialPid = initialPid; 187 this.notification = notification; 188 } 189 190 void dump(PrintWriter pw, String prefix, Context baseContext) { 191 pw.println(prefix + this); 192 pw.println(prefix + " icon=0x" + Integer.toHexString(notification.icon) 193 + " / " + idDebugString(baseContext, this.pkg, notification.icon)); 194 pw.println(prefix + " contentIntent=" + notification.contentIntent); 195 pw.println(prefix + " deleteIntent=" + notification.deleteIntent); 196 pw.println(prefix + " tickerText=" + notification.tickerText); 197 pw.println(prefix + " contentView=" + notification.contentView); 198 pw.println(prefix + " defaults=0x" + Integer.toHexString(notification.defaults)); 199 pw.println(prefix + " flags=0x" + Integer.toHexString(notification.flags)); 200 pw.println(prefix + " sound=" + notification.sound); 201 pw.println(prefix + " vibrate=" + Arrays.toString(notification.vibrate)); 202 pw.println(prefix + " ledARGB=0x" + Integer.toHexString(notification.ledARGB) 203 + " ledOnMS=" + notification.ledOnMS 204 + " ledOffMS=" + notification.ledOffMS); 205 } 206 207 @Override 208 public final String toString() 209 { 210 return "NotificationRecord{" 211 + Integer.toHexString(System.identityHashCode(this)) 212 + " pkg=" + pkg 213 + " id=" + Integer.toHexString(id) 214 + " tag=" + tag + "}"; 215 } 216 } 217 218 private static final class ToastRecord 219 { 220 final int pid; 221 final String pkg; 222 final ITransientNotification callback; 223 int duration; 224 225 ToastRecord(int pid, String pkg, ITransientNotification callback, int duration) 226 { 227 this.pid = pid; 228 this.pkg = pkg; 229 this.callback = callback; 230 this.duration = duration; 231 } 232 233 void update(int duration) { 234 this.duration = duration; 235 } 236 237 void dump(PrintWriter pw, String prefix) { 238 pw.println(prefix + this); 239 } 240 241 @Override 242 public final String toString() 243 { 244 return "ToastRecord{" 245 + Integer.toHexString(System.identityHashCode(this)) 246 + " pkg=" + pkg 247 + " callback=" + callback 248 + " duration=" + duration; 249 } 250 } 251 252 private StatusBarManagerService.NotificationCallbacks mNotificationCallbacks 253 = new StatusBarManagerService.NotificationCallbacks() { 254 255 public void onSetDisabled(int status) { 256 synchronized (mNotificationList) { 257 mDisabledNotifications = status; 258 if ((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) != 0) { 259 // cancel whatever's going on 260 long identity = Binder.clearCallingIdentity(); 261 try { 262 mSound.stop(); 263 } 264 finally { 265 Binder.restoreCallingIdentity(identity); 266 } 267 268 identity = Binder.clearCallingIdentity(); 269 try { 270 mVibrator.cancel(); 271 } 272 finally { 273 Binder.restoreCallingIdentity(identity); 274 } 275 } 276 } 277 } 278 279 public void onClearAll() { 280 cancelAll(); 281 } 282 283 public void onNotificationClick(String pkg, String tag, int id) { 284 cancelNotification(pkg, tag, id, Notification.FLAG_AUTO_CANCEL, 285 Notification.FLAG_FOREGROUND_SERVICE); 286 } 287 288 public void onPanelRevealed() { 289 synchronized (mNotificationList) { 290 // sound 291 mSoundNotification = null; 292 long identity = Binder.clearCallingIdentity(); 293 try { 294 mSound.stop(); 295 } 296 finally { 297 Binder.restoreCallingIdentity(identity); 298 } 299 300 // vibrate 301 mVibrateNotification = null; 302 identity = Binder.clearCallingIdentity(); 303 try { 304 mVibrator.cancel(); 305 } 306 finally { 307 Binder.restoreCallingIdentity(identity); 308 } 309 310 // light 311 mLights.clear(); 312 mLedNotification = null; 313 updateLightsLocked(); 314 } 315 } 316 317 public void onNotificationError(String pkg, String tag, int id, 318 int uid, int initialPid, String message) { 319 Slog.d(TAG, "onNotification error pkg=" + pkg + " tag=" + tag + " id=" + id 320 + "; will crashApplication(uid=" + uid + ", pid=" + initialPid + ")"); 321 cancelNotification(pkg, tag, id, 0, 0); 322 long ident = Binder.clearCallingIdentity(); 323 try { 324 ActivityManagerNative.getDefault().crashApplication(uid, initialPid, pkg, 325 "Bad notification posted from package " + pkg 326 + ": " + message); 327 } catch (RemoteException e) { 328 } 329 Binder.restoreCallingIdentity(ident); 330 } 331 }; 332 333 private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 334 @Override 335 public void onReceive(Context context, Intent intent) { 336 String action = intent.getAction(); 337 338 boolean queryRestart = false; 339 340 if (action.equals(Intent.ACTION_BATTERY_CHANGED)) { 341 boolean batteryCharging = (intent.getIntExtra("plugged", 0) != 0); 342 int level = intent.getIntExtra("level", -1); 343 boolean batteryLow = (level >= 0 && level <= Power.LOW_BATTERY_THRESHOLD); 344 int status = intent.getIntExtra("status", BatteryManager.BATTERY_STATUS_UNKNOWN); 345 boolean batteryFull = (status == BatteryManager.BATTERY_STATUS_FULL || level >= 90); 346 347 if (batteryCharging != mBatteryCharging || 348 batteryLow != mBatteryLow || 349 batteryFull != mBatteryFull) { 350 mBatteryCharging = batteryCharging; 351 mBatteryLow = batteryLow; 352 mBatteryFull = batteryFull; 353 updateLights(); 354 } 355 } else if (action.equals(Usb.ACTION_USB_STATE)) { 356 Bundle extras = intent.getExtras(); 357 boolean usbConnected = extras.getBoolean(Usb.USB_CONNECTED); 358 boolean adbEnabled = (Usb.USB_FUNCTION_ENABLED.equals( 359 extras.getString(Usb.USB_FUNCTION_ADB))); 360 updateAdbNotification(usbConnected && adbEnabled); 361 } else if (action.equals(Usb.ACTION_USB_DISCONNECTED)) { 362 updateAdbNotification(false); 363 } else if (action.equals(Intent.ACTION_PACKAGE_REMOVED) 364 || action.equals(Intent.ACTION_PACKAGE_RESTARTED) 365 || (queryRestart=action.equals(Intent.ACTION_QUERY_PACKAGE_RESTART)) 366 || action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { 367 String pkgList[] = null; 368 if (action.equals(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE)) { 369 pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 370 } else if (queryRestart) { 371 pkgList = intent.getStringArrayExtra(Intent.EXTRA_PACKAGES); 372 } else { 373 Uri uri = intent.getData(); 374 if (uri == null) { 375 return; 376 } 377 String pkgName = uri.getSchemeSpecificPart(); 378 if (pkgName == null) { 379 return; 380 } 381 pkgList = new String[]{pkgName}; 382 } 383 if (pkgList != null && (pkgList.length > 0)) { 384 for (String pkgName : pkgList) { 385 cancelAllNotificationsInt(pkgName, 0, 0, !queryRestart); 386 } 387 } 388 } else if (action.equals(Intent.ACTION_SCREEN_ON)) { 389 mScreenOn = true; 390 updateNotificationPulse(); 391 } else if (action.equals(Intent.ACTION_SCREEN_OFF)) { 392 mScreenOn = false; 393 updateNotificationPulse(); 394 } else if (action.equals(TelephonyManager.ACTION_PHONE_STATE_CHANGED)) { 395 mInCall = (intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(TelephonyManager.EXTRA_STATE_OFFHOOK)); 396 updateNotificationPulse(); 397 } 398 } 399 }; 400 401 class SettingsObserver extends ContentObserver { 402 SettingsObserver(Handler handler) { 403 super(handler); 404 } 405 406 void observe() { 407 ContentResolver resolver = mContext.getContentResolver(); 408 resolver.registerContentObserver(Settings.System.getUriFor( 409 Settings.System.NOTIFICATION_LIGHT_PULSE), false, this); 410 update(); 411 } 412 413 @Override public void onChange(boolean selfChange) { 414 update(); 415 } 416 417 public void update() { 418 ContentResolver resolver = mContext.getContentResolver(); 419 boolean pulseEnabled = Settings.System.getInt(resolver, 420 Settings.System.NOTIFICATION_LIGHT_PULSE, 0) != 0; 421 if (mNotificationPulseEnabled != pulseEnabled) { 422 mNotificationPulseEnabled = pulseEnabled; 423 updateNotificationPulse(); 424 } 425 } 426 } 427 428 NotificationManagerService(Context context, StatusBarManagerService statusBar, 429 LightsService lights) 430 { 431 super(); 432 mContext = context; 433 mLightsService = lights; 434 mAm = ActivityManagerNative.getDefault(); 435 mSound = new NotificationPlayer(TAG); 436 mSound.setUsesWakeLock(context); 437 mToastQueue = new ArrayList<ToastRecord>(); 438 mHandler = new WorkerHandler(); 439 440 mStatusBar = statusBar; 441 statusBar.setNotificationCallbacks(mNotificationCallbacks); 442 443 mBatteryLight = lights.getLight(LightsService.LIGHT_ID_BATTERY); 444 mNotificationLight = lights.getLight(LightsService.LIGHT_ID_NOTIFICATIONS); 445 mAttentionLight = lights.getLight(LightsService.LIGHT_ID_ATTENTION); 446 447 Resources resources = mContext.getResources(); 448 mDefaultNotificationColor = resources.getColor( 449 com.android.internal.R.color.config_defaultNotificationColor); 450 mDefaultNotificationLedOn = resources.getInteger( 451 com.android.internal.R.integer.config_defaultNotificationLedOn); 452 mDefaultNotificationLedOff = resources.getInteger( 453 com.android.internal.R.integer.config_defaultNotificationLedOff); 454 455 mBatteryLowARGB = mContext.getResources().getInteger( 456 com.android.internal.R.integer.config_notificationsBatteryLowARGB); 457 mBatteryMediumARGB = mContext.getResources().getInteger( 458 com.android.internal.R.integer.config_notificationsBatteryMediumARGB); 459 mBatteryFullARGB = mContext.getResources().getInteger( 460 com.android.internal.R.integer.config_notificationsBatteryFullARGB); 461 mBatteryLedOn = mContext.getResources().getInteger( 462 com.android.internal.R.integer.config_notificationsBatteryLedOn); 463 mBatteryLedOff = mContext.getResources().getInteger( 464 com.android.internal.R.integer.config_notificationsBatteryLedOff); 465 466 // Don't start allowing notifications until the setup wizard has run once. 467 // After that, including subsequent boots, init with notifications turned on. 468 // This works on the first boot because the setup wizard will toggle this 469 // flag at least once and we'll go back to 0 after that. 470 if (0 == Settings.Secure.getInt(mContext.getContentResolver(), 471 Settings.Secure.DEVICE_PROVISIONED, 0)) { 472 mDisabledNotifications = StatusBarManager.DISABLE_NOTIFICATION_ALERTS; 473 } 474 475 // register for battery changed notifications 476 IntentFilter filter = new IntentFilter(); 477 filter.addAction(Intent.ACTION_BATTERY_CHANGED); 478 filter.addAction(Usb.ACTION_USB_STATE); 479 filter.addAction(Intent.ACTION_SCREEN_ON); 480 filter.addAction(Intent.ACTION_SCREEN_OFF); 481 filter.addAction(TelephonyManager.ACTION_PHONE_STATE_CHANGED); 482 mContext.registerReceiver(mIntentReceiver, filter); 483 IntentFilter pkgFilter = new IntentFilter(); 484 pkgFilter.addAction(Intent.ACTION_PACKAGE_REMOVED); 485 pkgFilter.addAction(Intent.ACTION_PACKAGE_RESTARTED); 486 pkgFilter.addAction(Intent.ACTION_QUERY_PACKAGE_RESTART); 487 pkgFilter.addDataScheme("package"); 488 mContext.registerReceiver(mIntentReceiver, pkgFilter); 489 IntentFilter sdFilter = new IntentFilter(Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE); 490 mContext.registerReceiver(mIntentReceiver, sdFilter); 491 492 SettingsObserver observer = new SettingsObserver(mHandler); 493 observer.observe(); 494 } 495 496 void systemReady() { 497 // no beeping until we're basically done booting 498 mSystemReady = true; 499 } 500 501 // Toasts 502 // ============================================================================ 503 public void enqueueToast(String pkg, ITransientNotification callback, int duration) 504 { 505 if (DBG) Slog.i(TAG, "enqueueToast pkg=" + pkg + " callback=" + callback + " duration=" + duration); 506 507 if (pkg == null || callback == null) { 508 Slog.e(TAG, "Not doing toast. pkg=" + pkg + " callback=" + callback); 509 return ; 510 } 511 512 synchronized (mToastQueue) { 513 int callingPid = Binder.getCallingPid(); 514 long callingId = Binder.clearCallingIdentity(); 515 try { 516 ToastRecord record; 517 int index = indexOfToastLocked(pkg, callback); 518 // If it's already in the queue, we update it in place, we don't 519 // move it to the end of the queue. 520 if (index >= 0) { 521 record = mToastQueue.get(index); 522 record.update(duration); 523 } else { 524 record = new ToastRecord(callingPid, pkg, callback, duration); 525 mToastQueue.add(record); 526 index = mToastQueue.size() - 1; 527 keepProcessAliveLocked(callingPid); 528 } 529 // If it's at index 0, it's the current toast. It doesn't matter if it's 530 // new or just been updated. Call back and tell it to show itself. 531 // If the callback fails, this will remove it from the list, so don't 532 // assume that it's valid after this. 533 if (index == 0) { 534 showNextToastLocked(); 535 } 536 } finally { 537 Binder.restoreCallingIdentity(callingId); 538 } 539 } 540 } 541 542 public void cancelToast(String pkg, ITransientNotification callback) { 543 Slog.i(TAG, "cancelToast pkg=" + pkg + " callback=" + callback); 544 545 if (pkg == null || callback == null) { 546 Slog.e(TAG, "Not cancelling notification. pkg=" + pkg + " callback=" + callback); 547 return ; 548 } 549 550 synchronized (mToastQueue) { 551 long callingId = Binder.clearCallingIdentity(); 552 try { 553 int index = indexOfToastLocked(pkg, callback); 554 if (index >= 0) { 555 cancelToastLocked(index); 556 } else { 557 Slog.w(TAG, "Toast already cancelled. pkg=" + pkg + " callback=" + callback); 558 } 559 } finally { 560 Binder.restoreCallingIdentity(callingId); 561 } 562 } 563 } 564 565 private void showNextToastLocked() { 566 ToastRecord record = mToastQueue.get(0); 567 while (record != null) { 568 if (DBG) Slog.d(TAG, "Show pkg=" + record.pkg + " callback=" + record.callback); 569 try { 570 record.callback.show(); 571 scheduleTimeoutLocked(record, false); 572 return; 573 } catch (RemoteException e) { 574 Slog.w(TAG, "Object died trying to show notification " + record.callback 575 + " in package " + record.pkg); 576 // remove it from the list and let the process die 577 int index = mToastQueue.indexOf(record); 578 if (index >= 0) { 579 mToastQueue.remove(index); 580 } 581 keepProcessAliveLocked(record.pid); 582 if (mToastQueue.size() > 0) { 583 record = mToastQueue.get(0); 584 } else { 585 record = null; 586 } 587 } 588 } 589 } 590 591 private void cancelToastLocked(int index) { 592 ToastRecord record = mToastQueue.get(index); 593 try { 594 record.callback.hide(); 595 } catch (RemoteException e) { 596 Slog.w(TAG, "Object died trying to hide notification " + record.callback 597 + " in package " + record.pkg); 598 // don't worry about this, we're about to remove it from 599 // the list anyway 600 } 601 mToastQueue.remove(index); 602 keepProcessAliveLocked(record.pid); 603 if (mToastQueue.size() > 0) { 604 // Show the next one. If the callback fails, this will remove 605 // it from the list, so don't assume that the list hasn't changed 606 // after this point. 607 showNextToastLocked(); 608 } 609 } 610 611 private void scheduleTimeoutLocked(ToastRecord r, boolean immediate) 612 { 613 Message m = Message.obtain(mHandler, MESSAGE_TIMEOUT, r); 614 long delay = immediate ? 0 : (r.duration == Toast.LENGTH_LONG ? LONG_DELAY : SHORT_DELAY); 615 mHandler.removeCallbacksAndMessages(r); 616 mHandler.sendMessageDelayed(m, delay); 617 } 618 619 private void handleTimeout(ToastRecord record) 620 { 621 if (DBG) Slog.d(TAG, "Timeout pkg=" + record.pkg + " callback=" + record.callback); 622 synchronized (mToastQueue) { 623 int index = indexOfToastLocked(record.pkg, record.callback); 624 if (index >= 0) { 625 cancelToastLocked(index); 626 } 627 } 628 } 629 630 // lock on mToastQueue 631 private int indexOfToastLocked(String pkg, ITransientNotification callback) 632 { 633 IBinder cbak = callback.asBinder(); 634 ArrayList<ToastRecord> list = mToastQueue; 635 int len = list.size(); 636 for (int i=0; i<len; i++) { 637 ToastRecord r = list.get(i); 638 if (r.pkg.equals(pkg) && r.callback.asBinder() == cbak) { 639 return i; 640 } 641 } 642 return -1; 643 } 644 645 // lock on mToastQueue 646 private void keepProcessAliveLocked(int pid) 647 { 648 int toastCount = 0; // toasts from this pid 649 ArrayList<ToastRecord> list = mToastQueue; 650 int N = list.size(); 651 for (int i=0; i<N; i++) { 652 ToastRecord r = list.get(i); 653 if (r.pid == pid) { 654 toastCount++; 655 } 656 } 657 try { 658 mAm.setProcessForeground(mForegroundToken, pid, toastCount > 0); 659 } catch (RemoteException e) { 660 // Shouldn't happen. 661 } 662 } 663 664 private final class WorkerHandler extends Handler 665 { 666 @Override 667 public void handleMessage(Message msg) 668 { 669 switch (msg.what) 670 { 671 case MESSAGE_TIMEOUT: 672 handleTimeout((ToastRecord)msg.obj); 673 break; 674 } 675 } 676 } 677 678 679 // Notifications 680 // ============================================================================ 681 public void enqueueNotification(String pkg, int id, Notification notification, int[] idOut) 682 { 683 enqueueNotificationWithTag(pkg, null /* tag */, id, notification, idOut); 684 } 685 686 public void enqueueNotificationWithTag(String pkg, String tag, int id, Notification notification, 687 int[] idOut) 688 { 689 enqueueNotificationInternal(pkg, Binder.getCallingUid(), Binder.getCallingPid(), 690 tag, id, notification, idOut); 691 } 692 693 // Not exposed via Binder; for system use only (otherwise malicious apps could spoof the 694 // uid/pid of another application) 695 public void enqueueNotificationInternal(String pkg, int callingUid, int callingPid, 696 String tag, int id, Notification notification, int[] idOut) 697 { 698 Slog.d(TAG, "enqueueNotificationWithTag: calling uid=" + callingUid 699 + ", pid=" + callingPid); 700 701 checkIncomingCall(pkg); 702 703 // Limit the number of notifications that any given package except the android 704 // package can enqueue. Prevents DOS attacks and deals with leaks. 705 if (!"android".equals(pkg)) { 706 synchronized (mNotificationList) { 707 int count = 0; 708 final int N = mNotificationList.size(); 709 for (int i=0; i<N; i++) { 710 final NotificationRecord r = mNotificationList.get(i); 711 if (r.pkg.equals(pkg)) { 712 count++; 713 if (count >= MAX_PACKAGE_NOTIFICATIONS) { 714 Slog.e(TAG, "Package has already posted " + count 715 + " notifications. Not showing more. package=" + pkg); 716 return; 717 } 718 } 719 } 720 } 721 } 722 723 // This conditional is a dirty hack to limit the logging done on 724 // behalf of the download manager without affecting other apps. 725 if (!pkg.equals("com.android.providers.downloads") 726 || Log.isLoggable("DownloadManager", Log.VERBOSE)) { 727 EventLog.writeEvent(EventLogTags.NOTIFICATION_ENQUEUE, pkg, id, notification.toString()); 728 } 729 730 if (pkg == null || notification == null) { 731 throw new IllegalArgumentException("null not allowed: pkg=" + pkg 732 + " id=" + id + " notification=" + notification); 733 } 734 if (notification.icon != 0) { 735 if (notification.contentView == null) { 736 throw new IllegalArgumentException("contentView required: pkg=" + pkg 737 + " id=" + id + " notification=" + notification); 738 } 739 if (notification.contentIntent == null) { 740 throw new IllegalArgumentException("contentIntent required: pkg=" + pkg 741 + " id=" + id + " notification=" + notification); 742 } 743 } 744 745 synchronized (mNotificationList) { 746 NotificationRecord r = new NotificationRecord(pkg, tag, id, 747 callingUid, callingPid, notification); 748 NotificationRecord old = null; 749 750 int index = indexOfNotificationLocked(pkg, tag, id); 751 if (index < 0) { 752 mNotificationList.add(r); 753 } else { 754 old = mNotificationList.remove(index); 755 mNotificationList.add(index, r); 756 // Make sure we don't lose the foreground service state. 757 if (old != null) { 758 notification.flags |= 759 old.notification.flags&Notification.FLAG_FOREGROUND_SERVICE; 760 } 761 } 762 763 // Ensure if this is a foreground service that the proper additional 764 // flags are set. 765 if ((notification.flags&Notification.FLAG_FOREGROUND_SERVICE) != 0) { 766 notification.flags |= Notification.FLAG_ONGOING_EVENT 767 | Notification.FLAG_NO_CLEAR; 768 } 769 770 if (notification.icon != 0) { 771 StatusBarNotification n = new StatusBarNotification(pkg, id, tag, 772 r.uid, r.initialPid, notification); 773 if (old != null && old.statusBarKey != null) { 774 r.statusBarKey = old.statusBarKey; 775 long identity = Binder.clearCallingIdentity(); 776 try { 777 mStatusBar.updateNotification(r.statusBarKey, n); 778 } 779 finally { 780 Binder.restoreCallingIdentity(identity); 781 } 782 } else { 783 long identity = Binder.clearCallingIdentity(); 784 try { 785 r.statusBarKey = mStatusBar.addNotification(n); 786 mAttentionLight.pulse(); 787 } 788 finally { 789 Binder.restoreCallingIdentity(identity); 790 } 791 } 792 sendAccessibilityEvent(notification, pkg); 793 } else { 794 if (old != null && old.statusBarKey != null) { 795 long identity = Binder.clearCallingIdentity(); 796 try { 797 mStatusBar.removeNotification(old.statusBarKey); 798 } 799 finally { 800 Binder.restoreCallingIdentity(identity); 801 } 802 } 803 } 804 805 // If we're not supposed to beep, vibrate, etc. then don't. 806 if (((mDisabledNotifications & StatusBarManager.DISABLE_NOTIFICATION_ALERTS) == 0) 807 && (!(old != null 808 && (notification.flags & Notification.FLAG_ONLY_ALERT_ONCE) != 0 )) 809 && mSystemReady) { 810 811 final AudioManager audioManager = (AudioManager) mContext 812 .getSystemService(Context.AUDIO_SERVICE); 813 // sound 814 final boolean useDefaultSound = 815 (notification.defaults & Notification.DEFAULT_SOUND) != 0; 816 if (useDefaultSound || notification.sound != null) { 817 Uri uri; 818 if (useDefaultSound) { 819 uri = Settings.System.DEFAULT_NOTIFICATION_URI; 820 } else { 821 uri = notification.sound; 822 } 823 boolean looping = (notification.flags & Notification.FLAG_INSISTENT) != 0; 824 int audioStreamType; 825 if (notification.audioStreamType >= 0) { 826 audioStreamType = notification.audioStreamType; 827 } else { 828 audioStreamType = DEFAULT_STREAM_TYPE; 829 } 830 mSoundNotification = r; 831 // do not play notifications if stream volume is 0 832 // (typically because ringer mode is silent). 833 if (audioManager.getStreamVolume(audioStreamType) != 0) { 834 long identity = Binder.clearCallingIdentity(); 835 try { 836 mSound.play(mContext, uri, looping, audioStreamType); 837 } 838 finally { 839 Binder.restoreCallingIdentity(identity); 840 } 841 } 842 } 843 844 // vibrate 845 final boolean useDefaultVibrate = 846 (notification.defaults & Notification.DEFAULT_VIBRATE) != 0; 847 if ((useDefaultVibrate || notification.vibrate != null) 848 && audioManager.shouldVibrate(AudioManager.VIBRATE_TYPE_NOTIFICATION)) { 849 mVibrateNotification = r; 850 851 mVibrator.vibrate(useDefaultVibrate ? DEFAULT_VIBRATE_PATTERN 852 : notification.vibrate, 853 ((notification.flags & Notification.FLAG_INSISTENT) != 0) ? 0: -1); 854 } 855 } 856 857 // this option doesn't shut off the lights 858 859 // light 860 // the most recent thing gets the light 861 mLights.remove(old); 862 if (mLedNotification == old) { 863 mLedNotification = null; 864 } 865 //Slog.i(TAG, "notification.lights=" 866 // + ((old.notification.lights.flags & Notification.FLAG_SHOW_LIGHTS) != 0)); 867 if ((notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0) { 868 mLights.add(r); 869 updateLightsLocked(); 870 } else { 871 if (old != null 872 && ((old.notification.flags & Notification.FLAG_SHOW_LIGHTS) != 0)) { 873 updateLightsLocked(); 874 } 875 } 876 } 877 878 idOut[0] = id; 879 } 880 881 private void sendAccessibilityEvent(Notification notification, CharSequence packageName) { 882 AccessibilityManager manager = AccessibilityManager.getInstance(mContext); 883 if (!manager.isEnabled()) { 884 return; 885 } 886 887 AccessibilityEvent event = 888 AccessibilityEvent.obtain(AccessibilityEvent.TYPE_NOTIFICATION_STATE_CHANGED); 889 event.setPackageName(packageName); 890 event.setClassName(Notification.class.getName()); 891 event.setParcelableData(notification); 892 CharSequence tickerText = notification.tickerText; 893 if (!TextUtils.isEmpty(tickerText)) { 894 event.getText().add(tickerText); 895 } 896 897 manager.sendAccessibilityEvent(event); 898 } 899 900 private void cancelNotificationLocked(NotificationRecord r) { 901 // status bar 902 if (r.notification.icon != 0) { 903 long identity = Binder.clearCallingIdentity(); 904 try { 905 mStatusBar.removeNotification(r.statusBarKey); 906 } 907 finally { 908 Binder.restoreCallingIdentity(identity); 909 } 910 r.statusBarKey = null; 911 } 912 913 // sound 914 if (mSoundNotification == r) { 915 mSoundNotification = null; 916 long identity = Binder.clearCallingIdentity(); 917 try { 918 mSound.stop(); 919 } 920 finally { 921 Binder.restoreCallingIdentity(identity); 922 } 923 } 924 925 // vibrate 926 if (mVibrateNotification == r) { 927 mVibrateNotification = null; 928 long identity = Binder.clearCallingIdentity(); 929 try { 930 mVibrator.cancel(); 931 } 932 finally { 933 Binder.restoreCallingIdentity(identity); 934 } 935 } 936 937 // light 938 mLights.remove(r); 939 if (mLedNotification == r) { 940 mLedNotification = null; 941 } 942 } 943 944 /** 945 * Cancels a notification ONLY if it has all of the {@code mustHaveFlags} 946 * and none of the {@code mustNotHaveFlags}. 947 */ 948 private void cancelNotification(String pkg, String tag, int id, int mustHaveFlags, 949 int mustNotHaveFlags) { 950 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL, pkg, id, mustHaveFlags); 951 952 synchronized (mNotificationList) { 953 int index = indexOfNotificationLocked(pkg, tag, id); 954 if (index >= 0) { 955 NotificationRecord r = mNotificationList.get(index); 956 957 if ((r.notification.flags & mustHaveFlags) != mustHaveFlags) { 958 return; 959 } 960 if ((r.notification.flags & mustNotHaveFlags) != 0) { 961 return; 962 } 963 964 mNotificationList.remove(index); 965 966 cancelNotificationLocked(r); 967 updateLightsLocked(); 968 } 969 } 970 } 971 972 /** 973 * Cancels all notifications from a given package that have all of the 974 * {@code mustHaveFlags}. 975 */ 976 boolean cancelAllNotificationsInt(String pkg, int mustHaveFlags, 977 int mustNotHaveFlags, boolean doit) { 978 EventLog.writeEvent(EventLogTags.NOTIFICATION_CANCEL_ALL, pkg, mustHaveFlags); 979 980 synchronized (mNotificationList) { 981 final int N = mNotificationList.size(); 982 boolean canceledSomething = false; 983 for (int i = N-1; i >= 0; --i) { 984 NotificationRecord r = mNotificationList.get(i); 985 if ((r.notification.flags & mustHaveFlags) != mustHaveFlags) { 986 continue; 987 } 988 if ((r.notification.flags & mustNotHaveFlags) != 0) { 989 continue; 990 } 991 if (!r.pkg.equals(pkg)) { 992 continue; 993 } 994 canceledSomething = true; 995 if (!doit) { 996 return true; 997 } 998 mNotificationList.remove(i); 999 cancelNotificationLocked(r); 1000 } 1001 if (canceledSomething) { 1002 updateLightsLocked(); 1003 } 1004 return canceledSomething; 1005 } 1006 } 1007 1008 1009 public void cancelNotification(String pkg, int id) { 1010 cancelNotificationWithTag(pkg, null /* tag */, id); 1011 } 1012 1013 public void cancelNotificationWithTag(String pkg, String tag, int id) { 1014 checkIncomingCall(pkg); 1015 // Don't allow client applications to cancel foreground service notis. 1016 cancelNotification(pkg, tag, id, 0, 1017 Binder.getCallingUid() == Process.SYSTEM_UID 1018 ? 0 : Notification.FLAG_FOREGROUND_SERVICE); 1019 } 1020 1021 public void cancelAllNotifications(String pkg) { 1022 checkIncomingCall(pkg); 1023 1024 // Calling from user space, don't allow the canceling of actively 1025 // running foreground services. 1026 cancelAllNotificationsInt(pkg, 0, Notification.FLAG_FOREGROUND_SERVICE, true); 1027 } 1028 1029 void checkIncomingCall(String pkg) { 1030 int uid = Binder.getCallingUid(); 1031 if (uid == Process.SYSTEM_UID || uid == 0) { 1032 return; 1033 } 1034 try { 1035 ApplicationInfo ai = mContext.getPackageManager().getApplicationInfo( 1036 pkg, 0); 1037 if (ai.uid != uid) { 1038 throw new SecurityException("Calling uid " + uid + " gave package" 1039 + pkg + " which is owned by uid " + ai.uid); 1040 } 1041 } catch (PackageManager.NameNotFoundException e) { 1042 throw new SecurityException("Unknown package " + pkg); 1043 } 1044 } 1045 1046 void cancelAll() { 1047 synchronized (mNotificationList) { 1048 final int N = mNotificationList.size(); 1049 for (int i=N-1; i>=0; i--) { 1050 NotificationRecord r = mNotificationList.get(i); 1051 1052 if ((r.notification.flags & (Notification.FLAG_ONGOING_EVENT 1053 | Notification.FLAG_NO_CLEAR)) == 0) { 1054 if (r.notification.deleteIntent != null) { 1055 try { 1056 r.notification.deleteIntent.send(); 1057 } catch (PendingIntent.CanceledException ex) { 1058 // do nothing - there's no relevant way to recover, and 1059 // no reason to let this propagate 1060 Slog.w(TAG, "canceled PendingIntent for " + r.pkg, ex); 1061 } 1062 } 1063 mNotificationList.remove(i); 1064 cancelNotificationLocked(r); 1065 } 1066 } 1067 1068 updateLightsLocked(); 1069 } 1070 } 1071 1072 private void updateLights() { 1073 synchronized (mNotificationList) { 1074 updateLightsLocked(); 1075 } 1076 } 1077 1078 // lock on mNotificationList 1079 private void updateLightsLocked() 1080 { 1081 // Battery low always shows, other states only show if charging. 1082 if (mBatteryLow) { 1083 if (mBatteryCharging) { 1084 mBatteryLight.setColor(mBatteryLowARGB); 1085 } else { 1086 // Flash when battery is low and not charging 1087 mBatteryLight.setFlashing(mBatteryLowARGB, LightsService.LIGHT_FLASH_TIMED, 1088 mBatteryLedOn, mBatteryLedOff); 1089 } 1090 } else if (mBatteryCharging) { 1091 if (mBatteryFull) { 1092 mBatteryLight.setColor(mBatteryFullARGB); 1093 } else { 1094 mBatteryLight.setColor(mBatteryMediumARGB); 1095 } 1096 } else { 1097 mBatteryLight.turnOff(); 1098 } 1099 1100 // clear pending pulse notification if screen is on 1101 if (mScreenOn || mLedNotification == null) { 1102 mPendingPulseNotification = false; 1103 } 1104 1105 // handle notification lights 1106 if (mLedNotification == null) { 1107 // get next notification, if any 1108 int n = mLights.size(); 1109 if (n > 0) { 1110 mLedNotification = mLights.get(n-1); 1111 } 1112 if (mLedNotification != null && !mScreenOn) { 1113 mPendingPulseNotification = true; 1114 } 1115 } 1116 1117 // we only flash if screen is off and persistent pulsing is enabled 1118 // and we are not currently in a call 1119 if (!mPendingPulseNotification || mScreenOn || mInCall) { 1120 mNotificationLight.turnOff(); 1121 } else { 1122 int ledARGB = mLedNotification.notification.ledARGB; 1123 int ledOnMS = mLedNotification.notification.ledOnMS; 1124 int ledOffMS = mLedNotification.notification.ledOffMS; 1125 if ((mLedNotification.notification.defaults & Notification.DEFAULT_LIGHTS) != 0) { 1126 ledARGB = mDefaultNotificationColor; 1127 ledOnMS = mDefaultNotificationLedOn; 1128 ledOffMS = mDefaultNotificationLedOff; 1129 } 1130 if (mNotificationPulseEnabled) { 1131 // pulse repeatedly 1132 mNotificationLight.setFlashing(ledARGB, LightsService.LIGHT_FLASH_TIMED, 1133 ledOnMS, ledOffMS); 1134 } else { 1135 // pulse only once 1136 mNotificationLight.pulse(ledARGB, ledOnMS); 1137 } 1138 } 1139 } 1140 1141 // lock on mNotificationList 1142 private int indexOfNotificationLocked(String pkg, String tag, int id) 1143 { 1144 ArrayList<NotificationRecord> list = mNotificationList; 1145 final int len = list.size(); 1146 for (int i=0; i<len; i++) { 1147 NotificationRecord r = list.get(i); 1148 if (tag == null) { 1149 if (r.tag != null) { 1150 continue; 1151 } 1152 } else { 1153 if (!tag.equals(r.tag)) { 1154 continue; 1155 } 1156 } 1157 if (r.id == id && r.pkg.equals(pkg)) { 1158 return i; 1159 } 1160 } 1161 return -1; 1162 } 1163 1164 // This is here instead of StatusBarPolicy because it is an important 1165 // security feature that we don't want people customizing the platform 1166 // to accidentally lose. 1167 private void updateAdbNotification(boolean adbEnabled) { 1168 if (adbEnabled) { 1169 if ("0".equals(SystemProperties.get("persist.adb.notify"))) { 1170 return; 1171 } 1172 if (!mAdbNotificationShown) { 1173 NotificationManager notificationManager = (NotificationManager) mContext 1174 .getSystemService(Context.NOTIFICATION_SERVICE); 1175 if (notificationManager != null) { 1176 Resources r = mContext.getResources(); 1177 CharSequence title = r.getText( 1178 com.android.internal.R.string.adb_active_notification_title); 1179 CharSequence message = r.getText( 1180 com.android.internal.R.string.adb_active_notification_message); 1181 1182 if (mAdbNotification == null) { 1183 mAdbNotification = new Notification(); 1184 mAdbNotification.icon = com.android.internal.R.drawable.stat_sys_adb; 1185 mAdbNotification.when = 0; 1186 mAdbNotification.flags = Notification.FLAG_ONGOING_EVENT; 1187 mAdbNotification.tickerText = title; 1188 mAdbNotification.defaults = 0; // please be quiet 1189 mAdbNotification.sound = null; 1190 mAdbNotification.vibrate = null; 1191 } 1192 1193 Intent intent = new Intent( 1194 Settings.ACTION_APPLICATION_DEVELOPMENT_SETTINGS); 1195 intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | 1196 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1197 // Note: we are hard-coding the component because this is 1198 // an important security UI that we don't want anyone 1199 // intercepting. 1200 intent.setComponent(new ComponentName("com.android.settings", 1201 "com.android.settings.DevelopmentSettings")); 1202 PendingIntent pi = PendingIntent.getActivity(mContext, 0, 1203 intent, 0); 1204 1205 mAdbNotification.setLatestEventInfo(mContext, title, message, pi); 1206 1207 mAdbNotificationShown = true; 1208 notificationManager.notify( 1209 com.android.internal.R.string.adb_active_notification_title, 1210 mAdbNotification); 1211 } 1212 } 1213 1214 } else if (mAdbNotificationShown) { 1215 NotificationManager notificationManager = (NotificationManager) mContext 1216 .getSystemService(Context.NOTIFICATION_SERVICE); 1217 if (notificationManager != null) { 1218 mAdbNotificationShown = false; 1219 notificationManager.cancel( 1220 com.android.internal.R.string.adb_active_notification_title); 1221 } 1222 } 1223 } 1224 1225 private void updateNotificationPulse() { 1226 synchronized (mNotificationList) { 1227 updateLightsLocked(); 1228 } 1229 } 1230 1231 // ====================================================================== 1232 @Override 1233 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1234 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1235 != PackageManager.PERMISSION_GRANTED) { 1236 pw.println("Permission Denial: can't dump NotificationManager from from pid=" 1237 + Binder.getCallingPid() 1238 + ", uid=" + Binder.getCallingUid()); 1239 return; 1240 } 1241 1242 pw.println("Current Notification Manager state:"); 1243 1244 int N; 1245 1246 synchronized (mToastQueue) { 1247 N = mToastQueue.size(); 1248 if (N > 0) { 1249 pw.println(" Toast Queue:"); 1250 for (int i=0; i<N; i++) { 1251 mToastQueue.get(i).dump(pw, " "); 1252 } 1253 pw.println(" "); 1254 } 1255 1256 } 1257 1258 synchronized (mNotificationList) { 1259 N = mNotificationList.size(); 1260 if (N > 0) { 1261 pw.println(" Notification List:"); 1262 for (int i=0; i<N; i++) { 1263 mNotificationList.get(i).dump(pw, " ", mContext); 1264 } 1265 pw.println(" "); 1266 } 1267 1268 N = mLights.size(); 1269 if (N > 0) { 1270 pw.println(" Lights List:"); 1271 for (int i=0; i<N; i++) { 1272 mLights.get(i).dump(pw, " ", mContext); 1273 } 1274 pw.println(" "); 1275 } 1276 1277 pw.println(" mSoundNotification=" + mSoundNotification); 1278 pw.println(" mSound=" + mSound); 1279 pw.println(" mVibrateNotification=" + mVibrateNotification); 1280 pw.println(" mDisabledNotifications=0x" + Integer.toHexString(mDisabledNotifications)); 1281 pw.println(" mSystemReady=" + mSystemReady); 1282 } 1283 } 1284} 1285