1 /* 2 * Copyright (C) 2008 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 17 package com.android.server; 18 19 import static android.os.ParcelFileDescriptor.*; 20 21 import android.app.ActivityManagerNative; 22 import android.app.AppGlobals; 23 import android.app.IUserSwitchObserver; 24 import android.app.IWallpaperManager; 25 import android.app.IWallpaperManagerCallback; 26 import android.app.PendingIntent; 27 import android.app.WallpaperInfo; 28 import android.app.backup.BackupManager; 29 import android.app.backup.WallpaperBackupHelper; 30 import android.content.BroadcastReceiver; 31 import android.content.ComponentName; 32 import android.content.Context; 33 import android.content.Intent; 34 import android.content.IntentFilter; 35 import android.content.ServiceConnection; 36 import android.content.pm.IPackageManager; 37 import android.content.pm.PackageManager; 38 import android.content.pm.ResolveInfo; 39 import android.content.pm.ServiceInfo; 40 import android.content.pm.PackageManager.NameNotFoundException; 41 import android.content.pm.UserInfo; 42 import android.content.res.Resources; 43 import android.os.Binder; 44 import android.os.Bundle; 45 import android.os.Environment; 46 import android.os.FileUtils; 47 import android.os.IBinder; 48 import android.os.IRemoteCallback; 49 import android.os.RemoteException; 50 import android.os.FileObserver; 51 import android.os.ParcelFileDescriptor; 52 import android.os.RemoteCallbackList; 53 import android.os.SELinux; 54 import android.os.ServiceManager; 55 import android.os.SystemClock; 56 import android.os.UserHandle; 57 import android.os.UserManager; 58 import android.service.wallpaper.IWallpaperConnection; 59 import android.service.wallpaper.IWallpaperEngine; 60 import android.service.wallpaper.IWallpaperService; 61 import android.service.wallpaper.WallpaperService; 62 import android.util.Slog; 63 import android.util.SparseArray; 64 import android.util.Xml; 65 import android.view.Display; 66 import android.view.IWindowManager; 67 import android.view.WindowManager; 68 69 import java.io.FileDescriptor; 70 import java.io.IOException; 71 import java.io.InputStream; 72 import java.io.File; 73 import java.io.FileNotFoundException; 74 import java.io.FileInputStream; 75 import java.io.FileOutputStream; 76 import java.io.PrintWriter; 77 import java.util.List; 78 79 import org.xmlpull.v1.XmlPullParser; 80 import org.xmlpull.v1.XmlPullParserException; 81 import org.xmlpull.v1.XmlSerializer; 82 83 import com.android.internal.content.PackageMonitor; 84 import com.android.internal.util.FastXmlSerializer; 85 import com.android.internal.util.JournaledFile; 86 87 class WallpaperManagerService extends IWallpaperManager.Stub { 88 static final String TAG = "WallpaperService"; 89 static final boolean DEBUG = false; 90 91 final Object mLock = new Object[0]; 92 93 /** 94 * Minimum time between crashes of a wallpaper service for us to consider 95 * restarting it vs. just reverting to the static wallpaper. 96 */ 97 static final long MIN_WALLPAPER_CRASH_TIME = 10000; 98 static final String WALLPAPER = "wallpaper"; 99 static final String WALLPAPER_INFO = "wallpaper_info.xml"; 100 101 /** 102 * Name of the component used to display bitmap wallpapers from either the gallery or 103 * built-in wallpapers. 104 */ 105 static final ComponentName IMAGE_WALLPAPER = new ComponentName("com.android.systemui", 106 "com.android.systemui.ImageWallpaper"); 107 108 /** 109 * Observes the wallpaper for changes and notifies all IWallpaperServiceCallbacks 110 * that the wallpaper has changed. The CREATE is triggered when there is no 111 * wallpaper set and is created for the first time. The CLOSE_WRITE is triggered 112 * everytime the wallpaper is changed. 113 */ 114 private class WallpaperObserver extends FileObserver { 115 116 final WallpaperData mWallpaper; 117 final File mWallpaperDir; 118 final File mWallpaperFile; 119 120 public WallpaperObserver(WallpaperData wallpaper) { 121 super(getWallpaperDir(wallpaper.userId).getAbsolutePath(), 122 CLOSE_WRITE | DELETE | DELETE_SELF); 123 mWallpaperDir = getWallpaperDir(wallpaper.userId); 124 mWallpaper = wallpaper; 125 mWallpaperFile = new File(mWallpaperDir, WALLPAPER); 126 } 127 128 @Override 129 public void onEvent(int event, String path) { 130 if (path == null) { 131 return; 132 } 133 synchronized (mLock) { 134 // changing the wallpaper means we'll need to back up the new one 135 long origId = Binder.clearCallingIdentity(); 136 BackupManager bm = new BackupManager(mContext); 137 bm.dataChanged(); 138 Binder.restoreCallingIdentity(origId); 139 140 File changedFile = new File(mWallpaperDir, path); 141 if (mWallpaperFile.equals(changedFile)) { 142 notifyCallbacksLocked(mWallpaper); 143 if (mWallpaper.wallpaperComponent == null || event != CLOSE_WRITE 144 || mWallpaper.imageWallpaperPending) { 145 if (event == CLOSE_WRITE) { 146 mWallpaper.imageWallpaperPending = false; 147 } 148 bindWallpaperComponentLocked(IMAGE_WALLPAPER, true, 149 false, mWallpaper, null); 150 saveSettingsLocked(mWallpaper); 151 } 152 } 153 } 154 } 155 } 156 157 final Context mContext; 158 final IWindowManager mIWindowManager; 159 final IPackageManager mIPackageManager; 160 final MyPackageMonitor mMonitor; 161 WallpaperData mLastWallpaper; 162 163 SparseArray<WallpaperData> mWallpaperMap = new SparseArray<WallpaperData>(); 164 165 int mCurrentUserId; 166 167 static class WallpaperData { 168 169 int userId; 170 171 File wallpaperFile; 172 173 /** 174 * Client is currently writing a new image wallpaper. 175 */ 176 boolean imageWallpaperPending; 177 178 /** 179 * Resource name if using a picture from the wallpaper gallery 180 */ 181 String name = ""; 182 183 /** 184 * The component name of the currently set live wallpaper. 185 */ 186 ComponentName wallpaperComponent; 187 188 /** 189 * The component name of the wallpaper that should be set next. 190 */ 191 ComponentName nextWallpaperComponent; 192 193 WallpaperConnection connection; 194 long lastDiedTime; 195 boolean wallpaperUpdating; 196 WallpaperObserver wallpaperObserver; 197 198 /** 199 * List of callbacks registered they should each be notified when the wallpaper is changed. 200 */ 201 private RemoteCallbackList<IWallpaperManagerCallback> callbacks 202 = new RemoteCallbackList<IWallpaperManagerCallback>(); 203 204 int width = -1; 205 int height = -1; 206 207 WallpaperData(int userId) { 208 this.userId = userId; 209 wallpaperFile = new File(getWallpaperDir(userId), WALLPAPER); 210 } 211 } 212 213 class WallpaperConnection extends IWallpaperConnection.Stub 214 implements ServiceConnection { 215 final WallpaperInfo mInfo; 216 final Binder mToken = new Binder(); 217 IWallpaperService mService; 218 IWallpaperEngine mEngine; 219 WallpaperData mWallpaper; 220 IRemoteCallback mReply; 221 222 boolean mDimensionsChanged = false; 223 224 public WallpaperConnection(WallpaperInfo info, WallpaperData wallpaper) { 225 mInfo = info; 226 mWallpaper = wallpaper; 227 } 228 229 @Override 230 public void onServiceConnected(ComponentName name, IBinder service) { 231 synchronized (mLock) { 232 if (mWallpaper.connection == this) { 233 mWallpaper.lastDiedTime = SystemClock.uptimeMillis(); 234 mService = IWallpaperService.Stub.asInterface(service); 235 attachServiceLocked(this, mWallpaper); 236 // XXX should probably do saveSettingsLocked() later 237 // when we have an engine, but I'm not sure about 238 // locking there and anyway we always need to be able to 239 // recover if there is something wrong. 240 saveSettingsLocked(mWallpaper); 241 } 242 } 243 } 244 245 @Override 246 public void onServiceDisconnected(ComponentName name) { 247 synchronized (mLock) { 248 mService = null; 249 mEngine = null; 250 if (mWallpaper.connection == this) { 251 Slog.w(TAG, "Wallpaper service gone: " + mWallpaper.wallpaperComponent); 252 if (!mWallpaper.wallpaperUpdating 253 && (mWallpaper.lastDiedTime + MIN_WALLPAPER_CRASH_TIME) 254 > SystemClock.uptimeMillis() 255 && mWallpaper.userId == mCurrentUserId) { 256 Slog.w(TAG, "Reverting to built-in wallpaper!"); 257 clearWallpaperLocked(true, mWallpaper.userId, null); 258 } 259 } 260 } 261 } 262 263 @Override 264 public void attachEngine(IWallpaperEngine engine) { 265 synchronized (mLock) { 266 mEngine = engine; 267 if (mDimensionsChanged) { 268 try { 269 mEngine.setDesiredSize(mWallpaper.width, mWallpaper.height); 270 } catch (RemoteException e) { 271 Slog.w(TAG, "Failed to set wallpaper dimensions", e); 272 } 273 mDimensionsChanged = false; 274 } 275 } 276 } 277 278 @Override 279 public void engineShown(IWallpaperEngine engine) { 280 synchronized (mLock) { 281 if (mReply != null) { 282 long ident = Binder.clearCallingIdentity(); 283 try { 284 mReply.sendResult(null); 285 } catch (RemoteException e) { 286 Binder.restoreCallingIdentity(ident); 287 } 288 mReply = null; 289 } 290 } 291 } 292 293 @Override 294 public ParcelFileDescriptor setWallpaper(String name) { 295 synchronized (mLock) { 296 if (mWallpaper.connection == this) { 297 return updateWallpaperBitmapLocked(name, mWallpaper); 298 } 299 return null; 300 } 301 } 302 } 303 304 class MyPackageMonitor extends PackageMonitor { 305 @Override 306 public void onPackageUpdateFinished(String packageName, int uid) { 307 synchronized (mLock) { 308 if (mCurrentUserId != getChangingUserId()) { 309 return; 310 } 311 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 312 if (wallpaper != null) { 313 if (wallpaper.wallpaperComponent != null 314 && wallpaper.wallpaperComponent.getPackageName().equals(packageName)) { 315 wallpaper.wallpaperUpdating = false; 316 ComponentName comp = wallpaper.wallpaperComponent; 317 clearWallpaperComponentLocked(wallpaper); 318 if (!bindWallpaperComponentLocked(comp, false, false, 319 wallpaper, null)) { 320 Slog.w(TAG, "Wallpaper no longer available; reverting to default"); 321 clearWallpaperLocked(false, wallpaper.userId, null); 322 } 323 } 324 } 325 } 326 } 327 328 @Override 329 public void onPackageModified(String packageName) { 330 synchronized (mLock) { 331 if (mCurrentUserId != getChangingUserId()) { 332 return; 333 } 334 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 335 if (wallpaper != null) { 336 if (wallpaper.wallpaperComponent == null 337 || !wallpaper.wallpaperComponent.getPackageName().equals(packageName)) { 338 return; 339 } 340 doPackagesChangedLocked(true, wallpaper); 341 } 342 } 343 } 344 345 @Override 346 public void onPackageUpdateStarted(String packageName, int uid) { 347 synchronized (mLock) { 348 if (mCurrentUserId != getChangingUserId()) { 349 return; 350 } 351 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 352 if (wallpaper != null) { 353 if (wallpaper.wallpaperComponent != null 354 && wallpaper.wallpaperComponent.getPackageName().equals(packageName)) { 355 wallpaper.wallpaperUpdating = true; 356 } 357 } 358 } 359 } 360 361 @Override 362 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 363 synchronized (mLock) { 364 boolean changed = false; 365 if (mCurrentUserId != getChangingUserId()) { 366 return false; 367 } 368 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 369 if (wallpaper != null) { 370 boolean res = doPackagesChangedLocked(doit, wallpaper); 371 changed |= res; 372 } 373 return changed; 374 } 375 } 376 377 @Override 378 public void onSomePackagesChanged() { 379 synchronized (mLock) { 380 if (mCurrentUserId != getChangingUserId()) { 381 return; 382 } 383 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 384 if (wallpaper != null) { 385 doPackagesChangedLocked(true, wallpaper); 386 } 387 } 388 } 389 390 boolean doPackagesChangedLocked(boolean doit, WallpaperData wallpaper) { 391 boolean changed = false; 392 if (wallpaper.wallpaperComponent != null) { 393 int change = isPackageDisappearing(wallpaper.wallpaperComponent 394 .getPackageName()); 395 if (change == PACKAGE_PERMANENT_CHANGE 396 || change == PACKAGE_TEMPORARY_CHANGE) { 397 changed = true; 398 if (doit) { 399 Slog.w(TAG, "Wallpaper uninstalled, removing: " 400 + wallpaper.wallpaperComponent); 401 clearWallpaperLocked(false, wallpaper.userId, null); 402 } 403 } 404 } 405 if (wallpaper.nextWallpaperComponent != null) { 406 int change = isPackageDisappearing(wallpaper.nextWallpaperComponent 407 .getPackageName()); 408 if (change == PACKAGE_PERMANENT_CHANGE 409 || change == PACKAGE_TEMPORARY_CHANGE) { 410 wallpaper.nextWallpaperComponent = null; 411 } 412 } 413 if (wallpaper.wallpaperComponent != null 414 && isPackageModified(wallpaper.wallpaperComponent.getPackageName())) { 415 try { 416 mContext.getPackageManager().getServiceInfo( 417 wallpaper.wallpaperComponent, 0); 418 } catch (NameNotFoundException e) { 419 Slog.w(TAG, "Wallpaper component gone, removing: " 420 + wallpaper.wallpaperComponent); 421 clearWallpaperLocked(false, wallpaper.userId, null); 422 } 423 } 424 if (wallpaper.nextWallpaperComponent != null 425 && isPackageModified(wallpaper.nextWallpaperComponent.getPackageName())) { 426 try { 427 mContext.getPackageManager().getServiceInfo( 428 wallpaper.nextWallpaperComponent, 0); 429 } catch (NameNotFoundException e) { 430 wallpaper.nextWallpaperComponent = null; 431 } 432 } 433 return changed; 434 } 435 } 436 437 public WallpaperManagerService(Context context) { 438 if (DEBUG) Slog.v(TAG, "WallpaperService startup"); 439 mContext = context; 440 mIWindowManager = IWindowManager.Stub.asInterface( 441 ServiceManager.getService(Context.WINDOW_SERVICE)); 442 mIPackageManager = AppGlobals.getPackageManager(); 443 mMonitor = new MyPackageMonitor(); 444 mMonitor.register(context, null, UserHandle.ALL, true); 445 getWallpaperDir(UserHandle.USER_OWNER).mkdirs(); 446 loadSettingsLocked(UserHandle.USER_OWNER); 447 } 448 449 private static File getWallpaperDir(int userId) { 450 return Environment.getUserSystemDirectory(userId); 451 } 452 453 @Override 454 protected void finalize() throws Throwable { 455 super.finalize(); 456 for (int i = 0; i < mWallpaperMap.size(); i++) { 457 WallpaperData wallpaper = mWallpaperMap.valueAt(i); 458 wallpaper.wallpaperObserver.stopWatching(); 459 } 460 } 461 462 public void systemRunning() { 463 if (DEBUG) Slog.v(TAG, "systemReady"); 464 WallpaperData wallpaper = mWallpaperMap.get(UserHandle.USER_OWNER); 465 switchWallpaper(wallpaper, null); 466 wallpaper.wallpaperObserver = new WallpaperObserver(wallpaper); 467 wallpaper.wallpaperObserver.startWatching(); 468 469 IntentFilter userFilter = new IntentFilter(); 470 userFilter.addAction(Intent.ACTION_USER_REMOVED); 471 userFilter.addAction(Intent.ACTION_USER_STOPPING); 472 mContext.registerReceiver(new BroadcastReceiver() { 473 @Override 474 public void onReceive(Context context, Intent intent) { 475 String action = intent.getAction(); 476 if (Intent.ACTION_USER_REMOVED.equals(action)) { 477 onRemoveUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 478 UserHandle.USER_NULL)); 479 } 480 // TODO: Race condition causing problems when cleaning up on stopping a user. 481 // Comment this out for now. 482 // else if (Intent.ACTION_USER_STOPPING.equals(action)) { 483 // onStoppingUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 484 // UserHandle.USER_NULL)); 485 // } 486 } 487 }, userFilter); 488 489 try { 490 ActivityManagerNative.getDefault().registerUserSwitchObserver( 491 new IUserSwitchObserver.Stub() { 492 @Override 493 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 494 switchUser(newUserId, reply); 495 } 496 497 @Override 498 public void onUserSwitchComplete(int newUserId) throws RemoteException { 499 } 500 }); 501 } catch (RemoteException e) { 502 // TODO Auto-generated catch block 503 e.printStackTrace(); 504 } 505 } 506 507 String getName() { 508 synchronized (mLock) { 509 return mWallpaperMap.get(0).name; 510 } 511 } 512 513 void onStoppingUser(int userId) { 514 if (userId < 1) return; 515 synchronized (mLock) { 516 WallpaperData wallpaper = mWallpaperMap.get(userId); 517 if (wallpaper != null) { 518 if (wallpaper.wallpaperObserver != null) { 519 wallpaper.wallpaperObserver.stopWatching(); 520 wallpaper.wallpaperObserver = null; 521 } 522 mWallpaperMap.remove(userId); 523 } 524 } 525 } 526 527 void onRemoveUser(int userId) { 528 if (userId < 1) return; 529 synchronized (mLock) { 530 onStoppingUser(userId); 531 File wallpaperFile = new File(getWallpaperDir(userId), WALLPAPER); 532 wallpaperFile.delete(); 533 File wallpaperInfoFile = new File(getWallpaperDir(userId), WALLPAPER_INFO); 534 wallpaperInfoFile.delete(); 535 } 536 } 537 538 void switchUser(int userId, IRemoteCallback reply) { 539 synchronized (mLock) { 540 mCurrentUserId = userId; 541 WallpaperData wallpaper = mWallpaperMap.get(userId); 542 if (wallpaper == null) { 543 wallpaper = new WallpaperData(userId); 544 mWallpaperMap.put(userId, wallpaper); 545 loadSettingsLocked(userId); 546 } 547 // Not started watching yet, in case wallpaper data was loaded for other reasons. 548 if (wallpaper.wallpaperObserver == null) { 549 wallpaper.wallpaperObserver = new WallpaperObserver(wallpaper); 550 wallpaper.wallpaperObserver.startWatching(); 551 } 552 switchWallpaper(wallpaper, reply); 553 } 554 } 555 556 void switchWallpaper(WallpaperData wallpaper, IRemoteCallback reply) { 557 synchronized (mLock) { 558 RuntimeException e = null; 559 try { 560 ComponentName cname = wallpaper.wallpaperComponent != null ? 561 wallpaper.wallpaperComponent : wallpaper.nextWallpaperComponent; 562 if (bindWallpaperComponentLocked(cname, true, false, wallpaper, reply)) { 563 return; 564 } 565 } catch (RuntimeException e1) { 566 e = e1; 567 } 568 Slog.w(TAG, "Failure starting previous wallpaper", e); 569 clearWallpaperLocked(false, wallpaper.userId, reply); 570 } 571 } 572 573 public void clearWallpaper() { 574 if (DEBUG) Slog.v(TAG, "clearWallpaper"); 575 synchronized (mLock) { 576 clearWallpaperLocked(false, UserHandle.getCallingUserId(), null); 577 } 578 } 579 580 void clearWallpaperLocked(boolean defaultFailed, int userId, IRemoteCallback reply) { 581 WallpaperData wallpaper = mWallpaperMap.get(userId); 582 File f = new File(getWallpaperDir(userId), WALLPAPER); 583 if (f.exists()) { 584 f.delete(); 585 } 586 final long ident = Binder.clearCallingIdentity(); 587 RuntimeException e = null; 588 try { 589 wallpaper.imageWallpaperPending = false; 590 if (userId != mCurrentUserId) return; 591 if (bindWallpaperComponentLocked(defaultFailed 592 ? IMAGE_WALLPAPER 593 : null, true, false, wallpaper, reply)) { 594 return; 595 } 596 } catch (IllegalArgumentException e1) { 597 e = e1; 598 } finally { 599 Binder.restoreCallingIdentity(ident); 600 } 601 602 // This can happen if the default wallpaper component doesn't 603 // exist. This should be a system configuration problem, but 604 // let's not let it crash the system and just live with no 605 // wallpaper. 606 Slog.e(TAG, "Default wallpaper component not found!", e); 607 clearWallpaperComponentLocked(wallpaper); 608 if (reply != null) { 609 try { 610 reply.sendResult(null); 611 } catch (RemoteException e1) { 612 } 613 } 614 } 615 616 public boolean hasNamedWallpaper(String name) { 617 synchronized (mLock) { 618 List<UserInfo> users; 619 long ident = Binder.clearCallingIdentity(); 620 try { 621 users = ((UserManager) mContext.getSystemService(Context.USER_SERVICE)).getUsers(); 622 } finally { 623 Binder.restoreCallingIdentity(ident); 624 } 625 for (UserInfo user: users) { 626 WallpaperData wd = mWallpaperMap.get(user.id); 627 if (wd == null) { 628 // User hasn't started yet, so load her settings to peek at the wallpaper 629 loadSettingsLocked(user.id); 630 wd = mWallpaperMap.get(user.id); 631 } 632 if (wd != null && name.equals(wd.name)) { 633 return true; 634 } 635 } 636 } 637 return false; 638 } 639 640 public void setDimensionHints(int width, int height) throws RemoteException { 641 checkPermission(android.Manifest.permission.SET_WALLPAPER_HINTS); 642 synchronized (mLock) { 643 int userId = UserHandle.getCallingUserId(); 644 WallpaperData wallpaper = mWallpaperMap.get(userId); 645 if (wallpaper == null) { 646 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 647 } 648 if (width <= 0 || height <= 0) { 649 throw new IllegalArgumentException("width and height must be > 0"); 650 } 651 652 if (width != wallpaper.width || height != wallpaper.height) { 653 wallpaper.width = width; 654 wallpaper.height = height; 655 saveSettingsLocked(wallpaper); 656 if (mCurrentUserId != userId) return; // Don't change the properties now 657 if (wallpaper.connection != null) { 658 if (wallpaper.connection.mEngine != null) { 659 try { 660 wallpaper.connection.mEngine.setDesiredSize( 661 width, height); 662 } catch (RemoteException e) { 663 } 664 notifyCallbacksLocked(wallpaper); 665 } else if (wallpaper.connection.mService != null) { 666 // We've attached to the service but the engine hasn't attached back to us 667 // yet. This means it will be created with the previous dimensions, so we 668 // need to update it to the new dimensions once it attaches. 669 wallpaper.connection.mDimensionsChanged = true; 670 } 671 } 672 } 673 } 674 } 675 676 public int getWidthHint() throws RemoteException { 677 synchronized (mLock) { 678 WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId()); 679 return wallpaper.width; 680 } 681 } 682 683 public int getHeightHint() throws RemoteException { 684 synchronized (mLock) { 685 WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId()); 686 return wallpaper.height; 687 } 688 } 689 690 public ParcelFileDescriptor getWallpaper(IWallpaperManagerCallback cb, 691 Bundle outParams) { 692 synchronized (mLock) { 693 // This returns the current user's wallpaper, if called by a system service. Else it 694 // returns the wallpaper for the calling user. 695 int callingUid = Binder.getCallingUid(); 696 int wallpaperUserId = 0; 697 if (callingUid == android.os.Process.SYSTEM_UID) { 698 wallpaperUserId = mCurrentUserId; 699 } else { 700 wallpaperUserId = UserHandle.getUserId(callingUid); 701 } 702 WallpaperData wallpaper = mWallpaperMap.get(wallpaperUserId); 703 try { 704 if (outParams != null) { 705 outParams.putInt("width", wallpaper.width); 706 outParams.putInt("height", wallpaper.height); 707 } 708 wallpaper.callbacks.register(cb); 709 File f = new File(getWallpaperDir(wallpaperUserId), WALLPAPER); 710 if (!f.exists()) { 711 return null; 712 } 713 return ParcelFileDescriptor.open(f, MODE_READ_ONLY); 714 } catch (FileNotFoundException e) { 715 /* Shouldn't happen as we check to see if the file exists */ 716 Slog.w(TAG, "Error getting wallpaper", e); 717 } 718 return null; 719 } 720 } 721 722 public WallpaperInfo getWallpaperInfo() { 723 int userId = UserHandle.getCallingUserId(); 724 synchronized (mLock) { 725 WallpaperData wallpaper = mWallpaperMap.get(userId); 726 if (wallpaper.connection != null) { 727 return wallpaper.connection.mInfo; 728 } 729 return null; 730 } 731 } 732 733 public ParcelFileDescriptor setWallpaper(String name) { 734 checkPermission(android.Manifest.permission.SET_WALLPAPER); 735 synchronized (mLock) { 736 if (DEBUG) Slog.v(TAG, "setWallpaper"); 737 int userId = UserHandle.getCallingUserId(); 738 WallpaperData wallpaper = mWallpaperMap.get(userId); 739 if (wallpaper == null) { 740 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 741 } 742 final long ident = Binder.clearCallingIdentity(); 743 try { 744 ParcelFileDescriptor pfd = updateWallpaperBitmapLocked(name, wallpaper); 745 if (pfd != null) { 746 wallpaper.imageWallpaperPending = true; 747 } 748 return pfd; 749 } finally { 750 Binder.restoreCallingIdentity(ident); 751 } 752 } 753 } 754 755 ParcelFileDescriptor updateWallpaperBitmapLocked(String name, WallpaperData wallpaper) { 756 if (name == null) name = ""; 757 try { 758 File dir = getWallpaperDir(wallpaper.userId); 759 if (!dir.exists()) { 760 dir.mkdir(); 761 FileUtils.setPermissions( 762 dir.getPath(), 763 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, 764 -1, -1); 765 } 766 File file = new File(dir, WALLPAPER); 767 ParcelFileDescriptor fd = ParcelFileDescriptor.open(file, 768 MODE_CREATE|MODE_READ_WRITE); 769 if (!SELinux.restorecon(file)) { 770 return null; 771 } 772 wallpaper.name = name; 773 return fd; 774 } catch (FileNotFoundException e) { 775 Slog.w(TAG, "Error setting wallpaper", e); 776 } 777 return null; 778 } 779 780 public void setWallpaperComponent(ComponentName name) { 781 checkPermission(android.Manifest.permission.SET_WALLPAPER_COMPONENT); 782 synchronized (mLock) { 783 if (DEBUG) Slog.v(TAG, "setWallpaperComponent name=" + name); 784 int userId = UserHandle.getCallingUserId(); 785 WallpaperData wallpaper = mWallpaperMap.get(userId); 786 if (wallpaper == null) { 787 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 788 } 789 final long ident = Binder.clearCallingIdentity(); 790 try { 791 wallpaper.imageWallpaperPending = false; 792 bindWallpaperComponentLocked(name, false, true, wallpaper, null); 793 } finally { 794 Binder.restoreCallingIdentity(ident); 795 } 796 } 797 } 798 799 boolean bindWallpaperComponentLocked(ComponentName componentName, boolean force, 800 boolean fromUser, WallpaperData wallpaper, IRemoteCallback reply) { 801 if (DEBUG) Slog.v(TAG, "bindWallpaperComponentLocked: componentName=" + componentName); 802 // Has the component changed? 803 if (!force) { 804 if (wallpaper.connection != null) { 805 if (wallpaper.wallpaperComponent == null) { 806 if (componentName == null) { 807 if (DEBUG) Slog.v(TAG, "bindWallpaperComponentLocked: still using default"); 808 // Still using default wallpaper. 809 return true; 810 } 811 } else if (wallpaper.wallpaperComponent.equals(componentName)) { 812 // Changing to same wallpaper. 813 if (DEBUG) Slog.v(TAG, "same wallpaper"); 814 return true; 815 } 816 } 817 } 818 819 try { 820 if (componentName == null) { 821 String defaultComponent = 822 mContext.getString(com.android.internal.R.string.default_wallpaper_component); 823 if (defaultComponent != null) { 824 // See if there is a default wallpaper component specified 825 componentName = ComponentName.unflattenFromString(defaultComponent); 826 if (DEBUG) Slog.v(TAG, "Use default component wallpaper:" + componentName); 827 } 828 if (componentName == null) { 829 // Fall back to static image wallpaper 830 componentName = IMAGE_WALLPAPER; 831 //clearWallpaperComponentLocked(); 832 //return; 833 if (DEBUG) Slog.v(TAG, "Using image wallpaper"); 834 } 835 } 836 int serviceUserId = wallpaper.userId; 837 ServiceInfo si = mIPackageManager.getServiceInfo(componentName, 838 PackageManager.GET_META_DATA | PackageManager.GET_PERMISSIONS, serviceUserId); 839 if (si == null) { 840 // The wallpaper component we're trying to use doesn't exist 841 Slog.w(TAG, "Attempted wallpaper " + componentName + " is unavailable"); 842 return false; 843 } 844 if (!android.Manifest.permission.BIND_WALLPAPER.equals(si.permission)) { 845 String msg = "Selected service does not require " 846 + android.Manifest.permission.BIND_WALLPAPER 847 + ": " + componentName; 848 if (fromUser) { 849 throw new SecurityException(msg); 850 } 851 Slog.w(TAG, msg); 852 return false; 853 } 854 855 WallpaperInfo wi = null; 856 857 Intent intent = new Intent(WallpaperService.SERVICE_INTERFACE); 858 if (componentName != null && !componentName.equals(IMAGE_WALLPAPER)) { 859 // Make sure the selected service is actually a wallpaper service. 860 List<ResolveInfo> ris = 861 mIPackageManager.queryIntentServices(intent, 862 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 863 PackageManager.GET_META_DATA, serviceUserId); 864 for (int i=0; i<ris.size(); i++) { 865 ServiceInfo rsi = ris.get(i).serviceInfo; 866 if (rsi.name.equals(si.name) && 867 rsi.packageName.equals(si.packageName)) { 868 try { 869 wi = new WallpaperInfo(mContext, ris.get(i)); 870 } catch (XmlPullParserException e) { 871 if (fromUser) { 872 throw new IllegalArgumentException(e); 873 } 874 Slog.w(TAG, e); 875 return false; 876 } catch (IOException e) { 877 if (fromUser) { 878 throw new IllegalArgumentException(e); 879 } 880 Slog.w(TAG, e); 881 return false; 882 } 883 break; 884 } 885 } 886 if (wi == null) { 887 String msg = "Selected service is not a wallpaper: " 888 + componentName; 889 if (fromUser) { 890 throw new SecurityException(msg); 891 } 892 Slog.w(TAG, msg); 893 return false; 894 } 895 } 896 897 // Bind the service! 898 if (DEBUG) Slog.v(TAG, "Binding to:" + componentName); 899 WallpaperConnection newConn = new WallpaperConnection(wi, wallpaper); 900 intent.setComponent(componentName); 901 intent.putExtra(Intent.EXTRA_CLIENT_LABEL, 902 com.android.internal.R.string.wallpaper_binding_label); 903 intent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivityAsUser( 904 mContext, 0, 905 Intent.createChooser(new Intent(Intent.ACTION_SET_WALLPAPER), 906 mContext.getText(com.android.internal.R.string.chooser_wallpaper)), 907 0, null, new UserHandle(serviceUserId))); 908 if (!mContext.bindServiceAsUser(intent, newConn, 909 Context.BIND_AUTO_CREATE | Context.BIND_SHOWING_UI, 910 new UserHandle(serviceUserId))) { 911 String msg = "Unable to bind service: " 912 + componentName; 913 if (fromUser) { 914 throw new IllegalArgumentException(msg); 915 } 916 Slog.w(TAG, msg); 917 return false; 918 } 919 if (wallpaper.userId == mCurrentUserId && mLastWallpaper != null) { 920 detachWallpaperLocked(mLastWallpaper); 921 } 922 wallpaper.wallpaperComponent = componentName; 923 wallpaper.connection = newConn; 924 wallpaper.lastDiedTime = SystemClock.uptimeMillis(); 925 newConn.mReply = reply; 926 try { 927 if (wallpaper.userId == mCurrentUserId) { 928 if (DEBUG) 929 Slog.v(TAG, "Adding window token: " + newConn.mToken); 930 mIWindowManager.addWindowToken(newConn.mToken, 931 WindowManager.LayoutParams.TYPE_WALLPAPER); 932 mLastWallpaper = wallpaper; 933 } 934 } catch (RemoteException e) { 935 } 936 } catch (RemoteException e) { 937 String msg = "Remote exception for " + componentName + "\n" + e; 938 if (fromUser) { 939 throw new IllegalArgumentException(msg); 940 } 941 Slog.w(TAG, msg); 942 return false; 943 } 944 return true; 945 } 946 947 void detachWallpaperLocked(WallpaperData wallpaper) { 948 if (wallpaper.connection != null) { 949 if (wallpaper.connection.mReply != null) { 950 try { 951 wallpaper.connection.mReply.sendResult(null); 952 } catch (RemoteException e) { 953 } 954 wallpaper.connection.mReply = null; 955 } 956 if (wallpaper.connection.mEngine != null) { 957 try { 958 wallpaper.connection.mEngine.destroy(); 959 } catch (RemoteException e) { 960 } 961 } 962 mContext.unbindService(wallpaper.connection); 963 try { 964 if (DEBUG) 965 Slog.v(TAG, "Removing window token: " + wallpaper.connection.mToken); 966 mIWindowManager.removeWindowToken(wallpaper.connection.mToken); 967 } catch (RemoteException e) { 968 } 969 wallpaper.connection.mService = null; 970 wallpaper.connection.mEngine = null; 971 wallpaper.connection = null; 972 } 973 } 974 975 void clearWallpaperComponentLocked(WallpaperData wallpaper) { 976 wallpaper.wallpaperComponent = null; 977 detachWallpaperLocked(wallpaper); 978 } 979 980 void attachServiceLocked(WallpaperConnection conn, WallpaperData wallpaper) { 981 try { 982 conn.mService.attach(conn, conn.mToken, 983 WindowManager.LayoutParams.TYPE_WALLPAPER, false, 984 wallpaper.width, wallpaper.height); 985 } catch (RemoteException e) { 986 Slog.w(TAG, "Failed attaching wallpaper; clearing", e); 987 if (!wallpaper.wallpaperUpdating) { 988 bindWallpaperComponentLocked(null, false, false, wallpaper, null); 989 } 990 } 991 } 992 993 private void notifyCallbacksLocked(WallpaperData wallpaper) { 994 final int n = wallpaper.callbacks.beginBroadcast(); 995 for (int i = 0; i < n; i++) { 996 try { 997 wallpaper.callbacks.getBroadcastItem(i).onWallpaperChanged(); 998 } catch (RemoteException e) { 999 1000 // The RemoteCallbackList will take care of removing 1001 // the dead object for us. 1002 } 1003 } 1004 wallpaper.callbacks.finishBroadcast(); 1005 final Intent intent = new Intent(Intent.ACTION_WALLPAPER_CHANGED); 1006 mContext.sendBroadcastAsUser(intent, new UserHandle(mCurrentUserId)); 1007 } 1008 1009 private void checkPermission(String permission) { 1010 if (PackageManager.PERMISSION_GRANTED!= mContext.checkCallingOrSelfPermission(permission)) { 1011 throw new SecurityException("Access denied to process: " + Binder.getCallingPid() 1012 + ", must have permission " + permission); 1013 } 1014 } 1015 1016 private static JournaledFile makeJournaledFile(int userId) { 1017 final String base = new File(getWallpaperDir(userId), WALLPAPER_INFO).getAbsolutePath(); 1018 return new JournaledFile(new File(base), new File(base + ".tmp")); 1019 } 1020 1021 private void saveSettingsLocked(WallpaperData wallpaper) { 1022 JournaledFile journal = makeJournaledFile(wallpaper.userId); 1023 FileOutputStream stream = null; 1024 try { 1025 stream = new FileOutputStream(journal.chooseForWrite(), false); 1026 XmlSerializer out = new FastXmlSerializer(); 1027 out.setOutput(stream, "utf-8"); 1028 out.startDocument(null, true); 1029 1030 out.startTag(null, "wp"); 1031 out.attribute(null, "width", Integer.toString(wallpaper.width)); 1032 out.attribute(null, "height", Integer.toString(wallpaper.height)); 1033 out.attribute(null, "name", wallpaper.name); 1034 if (wallpaper.wallpaperComponent != null 1035 && !wallpaper.wallpaperComponent.equals(IMAGE_WALLPAPER)) { 1036 out.attribute(null, "component", 1037 wallpaper.wallpaperComponent.flattenToShortString()); 1038 } 1039 out.endTag(null, "wp"); 1040 1041 out.endDocument(); 1042 stream.close(); 1043 journal.commit(); 1044 } catch (IOException e) { 1045 try { 1046 if (stream != null) { 1047 stream.close(); 1048 } 1049 } catch (IOException ex) { 1050 // Ignore 1051 } 1052 journal.rollback(); 1053 } 1054 } 1055 1056 private void migrateFromOld() { 1057 File oldWallpaper = new File(WallpaperBackupHelper.WALLPAPER_IMAGE_KEY); 1058 File oldInfo = new File(WallpaperBackupHelper.WALLPAPER_INFO_KEY); 1059 if (oldWallpaper.exists()) { 1060 File newWallpaper = new File(getWallpaperDir(0), WALLPAPER); 1061 oldWallpaper.renameTo(newWallpaper); 1062 } 1063 if (oldInfo.exists()) { 1064 File newInfo = new File(getWallpaperDir(0), WALLPAPER_INFO); 1065 oldInfo.renameTo(newInfo); 1066 } 1067 } 1068 1069 private void loadSettingsLocked(int userId) { 1070 if (DEBUG) Slog.v(TAG, "loadSettingsLocked"); 1071 1072 JournaledFile journal = makeJournaledFile(userId); 1073 FileInputStream stream = null; 1074 File file = journal.chooseForRead(); 1075 if (!file.exists()) { 1076 // This should only happen one time, when upgrading from a legacy system 1077 migrateFromOld(); 1078 } 1079 WallpaperData wallpaper = mWallpaperMap.get(userId); 1080 if (wallpaper == null) { 1081 wallpaper = new WallpaperData(userId); 1082 mWallpaperMap.put(userId, wallpaper); 1083 } 1084 boolean success = false; 1085 try { 1086 stream = new FileInputStream(file); 1087 XmlPullParser parser = Xml.newPullParser(); 1088 parser.setInput(stream, null); 1089 1090 int type; 1091 do { 1092 type = parser.next(); 1093 if (type == XmlPullParser.START_TAG) { 1094 String tag = parser.getName(); 1095 if ("wp".equals(tag)) { 1096 wallpaper.width = Integer.parseInt(parser.getAttributeValue(null, "width")); 1097 wallpaper.height = Integer.parseInt(parser 1098 .getAttributeValue(null, "height")); 1099 wallpaper.name = parser.getAttributeValue(null, "name"); 1100 String comp = parser.getAttributeValue(null, "component"); 1101 wallpaper.nextWallpaperComponent = comp != null 1102 ? ComponentName.unflattenFromString(comp) 1103 : null; 1104 if (wallpaper.nextWallpaperComponent == null 1105 || "android".equals(wallpaper.nextWallpaperComponent 1106 .getPackageName())) { 1107 wallpaper.nextWallpaperComponent = IMAGE_WALLPAPER; 1108 } 1109 1110 if (DEBUG) { 1111 Slog.v(TAG, "mWidth:" + wallpaper.width); 1112 Slog.v(TAG, "mHeight:" + wallpaper.height); 1113 Slog.v(TAG, "mName:" + wallpaper.name); 1114 Slog.v(TAG, "mNextWallpaperComponent:" 1115 + wallpaper.nextWallpaperComponent); 1116 } 1117 } 1118 } 1119 } while (type != XmlPullParser.END_DOCUMENT); 1120 success = true; 1121 } catch (FileNotFoundException e) { 1122 Slog.w(TAG, "no current wallpaper -- first boot?"); 1123 } catch (NullPointerException e) { 1124 Slog.w(TAG, "failed parsing " + file + " " + e); 1125 } catch (NumberFormatException e) { 1126 Slog.w(TAG, "failed parsing " + file + " " + e); 1127 } catch (XmlPullParserException e) { 1128 Slog.w(TAG, "failed parsing " + file + " " + e); 1129 } catch (IOException e) { 1130 Slog.w(TAG, "failed parsing " + file + " " + e); 1131 } catch (IndexOutOfBoundsException e) { 1132 Slog.w(TAG, "failed parsing " + file + " " + e); 1133 } 1134 try { 1135 if (stream != null) { 1136 stream.close(); 1137 } 1138 } catch (IOException e) { 1139 // Ignore 1140 } 1141 1142 if (!success) { 1143 wallpaper.width = -1; 1144 wallpaper.height = -1; 1145 wallpaper.name = ""; 1146 } 1147 1148 // We always want to have some reasonable width hint. 1149 WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE); 1150 Display d = wm.getDefaultDisplay(); 1151 int baseSize = d.getMaximumSizeDimension(); 1152 if (wallpaper.width < baseSize) { 1153 wallpaper.width = baseSize; 1154 } 1155 if (wallpaper.height < baseSize) { 1156 wallpaper.height = baseSize; 1157 } 1158 } 1159 1160 // Called by SystemBackupAgent after files are restored to disk. 1161 void settingsRestored() { 1162 // TODO: If necessary, make it work for secondary users as well. This currently assumes 1163 // restores only to the primary user 1164 if (DEBUG) Slog.v(TAG, "settingsRestored"); 1165 WallpaperData wallpaper = null; 1166 boolean success = false; 1167 synchronized (mLock) { 1168 loadSettingsLocked(0); 1169 wallpaper = mWallpaperMap.get(0); 1170 if (wallpaper.nextWallpaperComponent != null 1171 && !wallpaper.nextWallpaperComponent.equals(IMAGE_WALLPAPER)) { 1172 if (!bindWallpaperComponentLocked(wallpaper.nextWallpaperComponent, false, false, 1173 wallpaper, null)) { 1174 // No such live wallpaper or other failure; fall back to the default 1175 // live wallpaper (since the profile being restored indicated that the 1176 // user had selected a live rather than static one). 1177 bindWallpaperComponentLocked(null, false, false, wallpaper, null); 1178 } 1179 success = true; 1180 } else { 1181 // If there's a wallpaper name, we use that. If that can't be loaded, then we 1182 // use the default. 1183 if ("".equals(wallpaper.name)) { 1184 if (DEBUG) Slog.v(TAG, "settingsRestored: name is empty"); 1185 success = true; 1186 } else { 1187 if (DEBUG) Slog.v(TAG, "settingsRestored: attempting to restore named resource"); 1188 success = restoreNamedResourceLocked(wallpaper); 1189 } 1190 if (DEBUG) Slog.v(TAG, "settingsRestored: success=" + success); 1191 if (success) { 1192 bindWallpaperComponentLocked(wallpaper.nextWallpaperComponent, false, false, 1193 wallpaper, null); 1194 } 1195 } 1196 } 1197 1198 if (!success) { 1199 Slog.e(TAG, "Failed to restore wallpaper: '" + wallpaper.name + "'"); 1200 wallpaper.name = ""; 1201 getWallpaperDir(0).delete(); 1202 } 1203 1204 synchronized (mLock) { 1205 saveSettingsLocked(wallpaper); 1206 } 1207 } 1208 1209 boolean restoreNamedResourceLocked(WallpaperData wallpaper) { 1210 if (wallpaper.name.length() > 4 && "res:".equals(wallpaper.name.substring(0, 4))) { 1211 String resName = wallpaper.name.substring(4); 1212 1213 String pkg = null; 1214 int colon = resName.indexOf(':'); 1215 if (colon > 0) { 1216 pkg = resName.substring(0, colon); 1217 } 1218 1219 String ident = null; 1220 int slash = resName.lastIndexOf('/'); 1221 if (slash > 0) { 1222 ident = resName.substring(slash+1); 1223 } 1224 1225 String type = null; 1226 if (colon > 0 && slash > 0 && (slash-colon) > 1) { 1227 type = resName.substring(colon+1, slash); 1228 } 1229 1230 if (pkg != null && ident != null && type != null) { 1231 int resId = -1; 1232 InputStream res = null; 1233 FileOutputStream fos = null; 1234 try { 1235 Context c = mContext.createPackageContext(pkg, Context.CONTEXT_RESTRICTED); 1236 Resources r = c.getResources(); 1237 resId = r.getIdentifier(resName, null, null); 1238 if (resId == 0) { 1239 Slog.e(TAG, "couldn't resolve identifier pkg=" + pkg + " type=" + type 1240 + " ident=" + ident); 1241 return false; 1242 } 1243 1244 res = r.openRawResource(resId); 1245 if (wallpaper.wallpaperFile.exists()) { 1246 wallpaper.wallpaperFile.delete(); 1247 } 1248 fos = new FileOutputStream(wallpaper.wallpaperFile); 1249 1250 byte[] buffer = new byte[32768]; 1251 int amt; 1252 while ((amt=res.read(buffer)) > 0) { 1253 fos.write(buffer, 0, amt); 1254 } 1255 // mWallpaperObserver will notice the close and send the change broadcast 1256 1257 Slog.v(TAG, "Restored wallpaper: " + resName); 1258 return true; 1259 } catch (NameNotFoundException e) { 1260 Slog.e(TAG, "Package name " + pkg + " not found"); 1261 } catch (Resources.NotFoundException e) { 1262 Slog.e(TAG, "Resource not found: " + resId); 1263 } catch (IOException e) { 1264 Slog.e(TAG, "IOException while restoring wallpaper ", e); 1265 } finally { 1266 if (res != null) { 1267 try { 1268 res.close(); 1269 } catch (IOException ex) {} 1270 } 1271 if (fos != null) { 1272 FileUtils.sync(fos); 1273 try { 1274 fos.close(); 1275 } catch (IOException ex) {} 1276 } 1277 } 1278 } 1279 } 1280 return false; 1281 } 1282 1283 @Override 1284 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1285 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1286 != PackageManager.PERMISSION_GRANTED) { 1287 1288 pw.println("Permission Denial: can't dump wallpaper service from from pid=" 1289 + Binder.getCallingPid() 1290 + ", uid=" + Binder.getCallingUid()); 1291 return; 1292 } 1293 1294 synchronized (mLock) { 1295 pw.println("Current Wallpaper Service state:"); 1296 for (int i = 0; i < mWallpaperMap.size(); i++) { 1297 WallpaperData wallpaper = mWallpaperMap.valueAt(i); 1298 pw.println(" User " + wallpaper.userId + ":"); 1299 pw.print(" mWidth="); 1300 pw.print(wallpaper.width); 1301 pw.print(" mHeight="); 1302 pw.println(wallpaper.height); 1303 pw.print(" mName="); 1304 pw.println(wallpaper.name); 1305 pw.print(" mWallpaperComponent="); 1306 pw.println(wallpaper.wallpaperComponent); 1307 if (wallpaper.connection != null) { 1308 WallpaperConnection conn = wallpaper.connection; 1309 pw.print(" Wallpaper connection "); 1310 pw.print(conn); 1311 pw.println(":"); 1312 if (conn.mInfo != null) { 1313 pw.print(" mInfo.component="); 1314 pw.println(conn.mInfo.getComponent()); 1315 } 1316 pw.print(" mToken="); 1317 pw.println(conn.mToken); 1318 pw.print(" mService="); 1319 pw.println(conn.mService); 1320 pw.print(" mEngine="); 1321 pw.println(conn.mEngine); 1322 pw.print(" mLastDiedTime="); 1323 pw.println(wallpaper.lastDiedTime - SystemClock.uptimeMillis()); 1324 } 1325 } 1326 } 1327 } 1328 } 1329
