WallpaperManagerService.java revision 29c30161281341ec851817534c24f17f91625e52
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 17package com.android.server.wallpaper; 18 19import static android.os.ParcelFileDescriptor.*; 20 21import android.app.ActivityManagerNative; 22import android.app.AppGlobals; 23import android.app.IUserSwitchObserver; 24import android.app.IWallpaperManager; 25import android.app.IWallpaperManagerCallback; 26import android.app.PendingIntent; 27import android.app.WallpaperInfo; 28import android.app.WallpaperManager; 29import android.app.backup.BackupManager; 30import android.app.backup.WallpaperBackupHelper; 31import android.content.BroadcastReceiver; 32import android.content.ComponentName; 33import android.content.Context; 34import android.content.Intent; 35import android.content.IntentFilter; 36import android.content.ServiceConnection; 37import android.content.pm.IPackageManager; 38import android.content.pm.PackageManager; 39import android.content.pm.ResolveInfo; 40import android.content.pm.ServiceInfo; 41import android.content.pm.PackageManager.NameNotFoundException; 42import android.content.pm.UserInfo; 43import android.content.res.Resources; 44import android.graphics.Point; 45import android.os.Binder; 46import android.os.Bundle; 47import android.os.Environment; 48import android.os.FileUtils; 49import android.os.IBinder; 50import android.os.IRemoteCallback; 51import android.os.RemoteException; 52import android.os.FileObserver; 53import android.os.ParcelFileDescriptor; 54import android.os.RemoteCallbackList; 55import android.os.SELinux; 56import android.os.ServiceManager; 57import android.os.SystemClock; 58import android.os.UserHandle; 59import android.os.UserManager; 60import android.service.wallpaper.IWallpaperConnection; 61import android.service.wallpaper.IWallpaperEngine; 62import android.service.wallpaper.IWallpaperService; 63import android.service.wallpaper.WallpaperService; 64import android.util.Slog; 65import android.util.SparseArray; 66import android.util.Xml; 67import android.view.Display; 68import android.view.IWindowManager; 69import android.view.WindowManager; 70 71import java.io.FileDescriptor; 72import java.io.IOException; 73import java.io.InputStream; 74import java.io.File; 75import java.io.FileNotFoundException; 76import java.io.FileInputStream; 77import java.io.FileOutputStream; 78import java.io.PrintWriter; 79import java.util.List; 80 81import org.xmlpull.v1.XmlPullParser; 82import org.xmlpull.v1.XmlPullParserException; 83import org.xmlpull.v1.XmlSerializer; 84 85import com.android.internal.content.PackageMonitor; 86import com.android.internal.util.FastXmlSerializer; 87import com.android.internal.util.JournaledFile; 88import com.android.internal.R; 89 90public class WallpaperManagerService extends IWallpaperManager.Stub { 91 static final String TAG = "WallpaperManagerService"; 92 static final boolean DEBUG = false; 93 94 final Object mLock = new Object[0]; 95 96 /** 97 * Minimum time between crashes of a wallpaper service for us to consider 98 * restarting it vs. just reverting to the static wallpaper. 99 */ 100 static final long MIN_WALLPAPER_CRASH_TIME = 10000; 101 static final String WALLPAPER = "wallpaper"; 102 static final String WALLPAPER_INFO = "wallpaper_info.xml"; 103 104 /** 105 * Observes the wallpaper for changes and notifies all IWallpaperServiceCallbacks 106 * that the wallpaper has changed. The CREATE is triggered when there is no 107 * wallpaper set and is created for the first time. The CLOSE_WRITE is triggered 108 * everytime the wallpaper is changed. 109 */ 110 private class WallpaperObserver extends FileObserver { 111 112 final WallpaperData mWallpaper; 113 final File mWallpaperDir; 114 final File mWallpaperFile; 115 116 public WallpaperObserver(WallpaperData wallpaper) { 117 super(getWallpaperDir(wallpaper.userId).getAbsolutePath(), 118 CLOSE_WRITE | DELETE | DELETE_SELF); 119 mWallpaperDir = getWallpaperDir(wallpaper.userId); 120 mWallpaper = wallpaper; 121 mWallpaperFile = new File(mWallpaperDir, WALLPAPER); 122 } 123 124 @Override 125 public void onEvent(int event, String path) { 126 if (path == null) { 127 return; 128 } 129 synchronized (mLock) { 130 // changing the wallpaper means we'll need to back up the new one 131 long origId = Binder.clearCallingIdentity(); 132 BackupManager bm = new BackupManager(mContext); 133 bm.dataChanged(); 134 Binder.restoreCallingIdentity(origId); 135 136 File changedFile = new File(mWallpaperDir, path); 137 if (mWallpaperFile.equals(changedFile)) { 138 notifyCallbacksLocked(mWallpaper); 139 if (mWallpaper.wallpaperComponent == null || event != CLOSE_WRITE 140 || mWallpaper.imageWallpaperPending) { 141 if (event == CLOSE_WRITE) { 142 mWallpaper.imageWallpaperPending = false; 143 } 144 bindWallpaperComponentLocked(mImageWallpaper, true, 145 false, mWallpaper, null); 146 saveSettingsLocked(mWallpaper); 147 } 148 } 149 } 150 } 151 } 152 153 final Context mContext; 154 final IWindowManager mIWindowManager; 155 final IPackageManager mIPackageManager; 156 final MyPackageMonitor mMonitor; 157 WallpaperData mLastWallpaper; 158 159 /** 160 * Name of the component used to display bitmap wallpapers from either the gallery or 161 * built-in wallpapers. 162 */ 163 final ComponentName mImageWallpaper; 164 165 SparseArray<WallpaperData> mWallpaperMap = new SparseArray<WallpaperData>(); 166 167 int mCurrentUserId; 168 169 static class WallpaperData { 170 171 int userId; 172 173 File wallpaperFile; 174 175 /** 176 * Client is currently writing a new image wallpaper. 177 */ 178 boolean imageWallpaperPending; 179 180 /** 181 * Resource name if using a picture from the wallpaper gallery 182 */ 183 String name = ""; 184 185 /** 186 * The component name of the currently set live wallpaper. 187 */ 188 ComponentName wallpaperComponent; 189 190 /** 191 * The component name of the wallpaper that should be set next. 192 */ 193 ComponentName nextWallpaperComponent; 194 195 WallpaperConnection connection; 196 long lastDiedTime; 197 boolean wallpaperUpdating; 198 WallpaperObserver wallpaperObserver; 199 200 /** 201 * List of callbacks registered they should each be notified when the wallpaper is changed. 202 */ 203 private RemoteCallbackList<IWallpaperManagerCallback> callbacks 204 = new RemoteCallbackList<IWallpaperManagerCallback>(); 205 206 int width = -1; 207 int height = -1; 208 209 WallpaperData(int userId) { 210 this.userId = userId; 211 wallpaperFile = new File(getWallpaperDir(userId), WALLPAPER); 212 } 213 } 214 215 class WallpaperConnection extends IWallpaperConnection.Stub 216 implements ServiceConnection { 217 final WallpaperInfo mInfo; 218 final Binder mToken = new Binder(); 219 IWallpaperService mService; 220 IWallpaperEngine mEngine; 221 WallpaperData mWallpaper; 222 IRemoteCallback mReply; 223 224 boolean mDimensionsChanged = false; 225 226 public WallpaperConnection(WallpaperInfo info, WallpaperData wallpaper) { 227 mInfo = info; 228 mWallpaper = wallpaper; 229 } 230 231 @Override 232 public void onServiceConnected(ComponentName name, IBinder service) { 233 synchronized (mLock) { 234 if (mWallpaper.connection == this) { 235 mService = IWallpaperService.Stub.asInterface(service); 236 attachServiceLocked(this, mWallpaper); 237 // XXX should probably do saveSettingsLocked() later 238 // when we have an engine, but I'm not sure about 239 // locking there and anyway we always need to be able to 240 // recover if there is something wrong. 241 saveSettingsLocked(mWallpaper); 242 } 243 } 244 } 245 246 @Override 247 public void onServiceDisconnected(ComponentName name) { 248 synchronized (mLock) { 249 mService = null; 250 mEngine = null; 251 if (mWallpaper.connection == this) { 252 Slog.w(TAG, "Wallpaper service gone: " + mWallpaper.wallpaperComponent); 253 if (!mWallpaper.wallpaperUpdating 254 && mWallpaper.userId == mCurrentUserId) { 255 // There is a race condition which causes 256 // {@link #mWallpaper.wallpaperUpdating} to be false even if it is 257 // currently updating since the broadcast notifying us is async. 258 // This race is overcome by the general rule that we only reset the 259 // wallpaper if its service was shut down twice 260 // during {@link #MIN_WALLPAPER_CRASH_TIME} millis. 261 if (mWallpaper.lastDiedTime != 0 262 && mWallpaper.lastDiedTime + MIN_WALLPAPER_CRASH_TIME 263 > SystemClock.uptimeMillis()) { 264 Slog.w(TAG, "Reverting to built-in wallpaper!"); 265 clearWallpaperLocked(true, mWallpaper.userId, null); 266 } else { 267 mWallpaper.lastDiedTime = SystemClock.uptimeMillis(); 268 } 269 } 270 } 271 } 272 } 273 274 @Override 275 public void attachEngine(IWallpaperEngine engine) { 276 synchronized (mLock) { 277 mEngine = engine; 278 if (mDimensionsChanged) { 279 try { 280 mEngine.setDesiredSize(mWallpaper.width, mWallpaper.height); 281 } catch (RemoteException e) { 282 Slog.w(TAG, "Failed to set wallpaper dimensions", e); 283 } 284 mDimensionsChanged = false; 285 } 286 } 287 } 288 289 @Override 290 public void engineShown(IWallpaperEngine engine) { 291 synchronized (mLock) { 292 if (mReply != null) { 293 long ident = Binder.clearCallingIdentity(); 294 try { 295 mReply.sendResult(null); 296 } catch (RemoteException e) { 297 Binder.restoreCallingIdentity(ident); 298 } 299 mReply = null; 300 } 301 } 302 } 303 304 @Override 305 public ParcelFileDescriptor setWallpaper(String name) { 306 synchronized (mLock) { 307 if (mWallpaper.connection == this) { 308 return updateWallpaperBitmapLocked(name, mWallpaper); 309 } 310 return null; 311 } 312 } 313 } 314 315 class MyPackageMonitor extends PackageMonitor { 316 @Override 317 public void onPackageUpdateFinished(String packageName, int uid) { 318 synchronized (mLock) { 319 if (mCurrentUserId != getChangingUserId()) { 320 return; 321 } 322 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 323 if (wallpaper != null) { 324 if (wallpaper.wallpaperComponent != null 325 && wallpaper.wallpaperComponent.getPackageName().equals(packageName)) { 326 wallpaper.wallpaperUpdating = false; 327 ComponentName comp = wallpaper.wallpaperComponent; 328 clearWallpaperComponentLocked(wallpaper); 329 if (!bindWallpaperComponentLocked(comp, false, false, 330 wallpaper, null)) { 331 Slog.w(TAG, "Wallpaper no longer available; reverting to default"); 332 clearWallpaperLocked(false, wallpaper.userId, null); 333 } 334 } 335 } 336 } 337 } 338 339 @Override 340 public void onPackageModified(String packageName) { 341 synchronized (mLock) { 342 if (mCurrentUserId != getChangingUserId()) { 343 return; 344 } 345 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 346 if (wallpaper != null) { 347 if (wallpaper.wallpaperComponent == null 348 || !wallpaper.wallpaperComponent.getPackageName().equals(packageName)) { 349 return; 350 } 351 doPackagesChangedLocked(true, wallpaper); 352 } 353 } 354 } 355 356 @Override 357 public void onPackageUpdateStarted(String packageName, int uid) { 358 synchronized (mLock) { 359 if (mCurrentUserId != getChangingUserId()) { 360 return; 361 } 362 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 363 if (wallpaper != null) { 364 if (wallpaper.wallpaperComponent != null 365 && wallpaper.wallpaperComponent.getPackageName().equals(packageName)) { 366 wallpaper.wallpaperUpdating = true; 367 } 368 } 369 } 370 } 371 372 @Override 373 public boolean onHandleForceStop(Intent intent, String[] packages, int uid, boolean doit) { 374 synchronized (mLock) { 375 boolean changed = false; 376 if (mCurrentUserId != getChangingUserId()) { 377 return false; 378 } 379 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 380 if (wallpaper != null) { 381 boolean res = doPackagesChangedLocked(doit, wallpaper); 382 changed |= res; 383 } 384 return changed; 385 } 386 } 387 388 @Override 389 public void onSomePackagesChanged() { 390 synchronized (mLock) { 391 if (mCurrentUserId != getChangingUserId()) { 392 return; 393 } 394 WallpaperData wallpaper = mWallpaperMap.get(mCurrentUserId); 395 if (wallpaper != null) { 396 doPackagesChangedLocked(true, wallpaper); 397 } 398 } 399 } 400 401 boolean doPackagesChangedLocked(boolean doit, WallpaperData wallpaper) { 402 boolean changed = false; 403 if (wallpaper.wallpaperComponent != null) { 404 int change = isPackageDisappearing(wallpaper.wallpaperComponent 405 .getPackageName()); 406 if (change == PACKAGE_PERMANENT_CHANGE 407 || change == PACKAGE_TEMPORARY_CHANGE) { 408 changed = true; 409 if (doit) { 410 Slog.w(TAG, "Wallpaper uninstalled, removing: " 411 + wallpaper.wallpaperComponent); 412 clearWallpaperLocked(false, wallpaper.userId, null); 413 } 414 } 415 } 416 if (wallpaper.nextWallpaperComponent != null) { 417 int change = isPackageDisappearing(wallpaper.nextWallpaperComponent 418 .getPackageName()); 419 if (change == PACKAGE_PERMANENT_CHANGE 420 || change == PACKAGE_TEMPORARY_CHANGE) { 421 wallpaper.nextWallpaperComponent = null; 422 } 423 } 424 if (wallpaper.wallpaperComponent != null 425 && isPackageModified(wallpaper.wallpaperComponent.getPackageName())) { 426 try { 427 mContext.getPackageManager().getServiceInfo( 428 wallpaper.wallpaperComponent, 0); 429 } catch (NameNotFoundException e) { 430 Slog.w(TAG, "Wallpaper component gone, removing: " 431 + wallpaper.wallpaperComponent); 432 clearWallpaperLocked(false, wallpaper.userId, null); 433 } 434 } 435 if (wallpaper.nextWallpaperComponent != null 436 && isPackageModified(wallpaper.nextWallpaperComponent.getPackageName())) { 437 try { 438 mContext.getPackageManager().getServiceInfo( 439 wallpaper.nextWallpaperComponent, 0); 440 } catch (NameNotFoundException e) { 441 wallpaper.nextWallpaperComponent = null; 442 } 443 } 444 return changed; 445 } 446 } 447 448 public WallpaperManagerService(Context context) { 449 if (DEBUG) Slog.v(TAG, "WallpaperService startup"); 450 mContext = context; 451 mImageWallpaper = ComponentName.unflattenFromString( 452 context.getResources().getString(R.string.image_wallpaper_component)); 453 mIWindowManager = IWindowManager.Stub.asInterface( 454 ServiceManager.getService(Context.WINDOW_SERVICE)); 455 mIPackageManager = AppGlobals.getPackageManager(); 456 mMonitor = new MyPackageMonitor(); 457 mMonitor.register(context, null, UserHandle.ALL, true); 458 getWallpaperDir(UserHandle.USER_OWNER).mkdirs(); 459 loadSettingsLocked(UserHandle.USER_OWNER); 460 } 461 462 private static File getWallpaperDir(int userId) { 463 return Environment.getUserSystemDirectory(userId); 464 } 465 466 @Override 467 protected void finalize() throws Throwable { 468 super.finalize(); 469 for (int i = 0; i < mWallpaperMap.size(); i++) { 470 WallpaperData wallpaper = mWallpaperMap.valueAt(i); 471 wallpaper.wallpaperObserver.stopWatching(); 472 } 473 } 474 475 public void systemRunning() { 476 if (DEBUG) Slog.v(TAG, "systemReady"); 477 WallpaperData wallpaper = mWallpaperMap.get(UserHandle.USER_OWNER); 478 switchWallpaper(wallpaper, null); 479 wallpaper.wallpaperObserver = new WallpaperObserver(wallpaper); 480 wallpaper.wallpaperObserver.startWatching(); 481 482 IntentFilter userFilter = new IntentFilter(); 483 userFilter.addAction(Intent.ACTION_USER_REMOVED); 484 userFilter.addAction(Intent.ACTION_USER_STOPPING); 485 mContext.registerReceiver(new BroadcastReceiver() { 486 @Override 487 public void onReceive(Context context, Intent intent) { 488 String action = intent.getAction(); 489 if (Intent.ACTION_USER_REMOVED.equals(action)) { 490 onRemoveUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 491 UserHandle.USER_NULL)); 492 } 493 // TODO: Race condition causing problems when cleaning up on stopping a user. 494 // Comment this out for now. 495 // else if (Intent.ACTION_USER_STOPPING.equals(action)) { 496 // onStoppingUser(intent.getIntExtra(Intent.EXTRA_USER_HANDLE, 497 // UserHandle.USER_NULL)); 498 // } 499 } 500 }, userFilter); 501 502 try { 503 ActivityManagerNative.getDefault().registerUserSwitchObserver( 504 new IUserSwitchObserver.Stub() { 505 @Override 506 public void onUserSwitching(int newUserId, IRemoteCallback reply) { 507 switchUser(newUserId, reply); 508 } 509 510 @Override 511 public void onUserSwitchComplete(int newUserId) throws RemoteException { 512 } 513 }); 514 } catch (RemoteException e) { 515 // TODO Auto-generated catch block 516 e.printStackTrace(); 517 } 518 } 519 520 /** Called by SystemBackupAgent */ 521 public String getName() { 522 // Verify caller is the system 523 if (Binder.getCallingUid() != android.os.Process.SYSTEM_UID) { 524 throw new RuntimeException("getName() can only be called from the system process"); 525 } 526 synchronized (mLock) { 527 return mWallpaperMap.get(0).name; 528 } 529 } 530 531 void onStoppingUser(int userId) { 532 if (userId < 1) return; 533 synchronized (mLock) { 534 WallpaperData wallpaper = mWallpaperMap.get(userId); 535 if (wallpaper != null) { 536 if (wallpaper.wallpaperObserver != null) { 537 wallpaper.wallpaperObserver.stopWatching(); 538 wallpaper.wallpaperObserver = null; 539 } 540 mWallpaperMap.remove(userId); 541 } 542 } 543 } 544 545 void onRemoveUser(int userId) { 546 if (userId < 1) return; 547 synchronized (mLock) { 548 onStoppingUser(userId); 549 File wallpaperFile = new File(getWallpaperDir(userId), WALLPAPER); 550 wallpaperFile.delete(); 551 File wallpaperInfoFile = new File(getWallpaperDir(userId), WALLPAPER_INFO); 552 wallpaperInfoFile.delete(); 553 } 554 } 555 556 void switchUser(int userId, IRemoteCallback reply) { 557 synchronized (mLock) { 558 mCurrentUserId = userId; 559 WallpaperData wallpaper = mWallpaperMap.get(userId); 560 if (wallpaper == null) { 561 wallpaper = new WallpaperData(userId); 562 mWallpaperMap.put(userId, wallpaper); 563 loadSettingsLocked(userId); 564 } 565 // Not started watching yet, in case wallpaper data was loaded for other reasons. 566 if (wallpaper.wallpaperObserver == null) { 567 wallpaper.wallpaperObserver = new WallpaperObserver(wallpaper); 568 wallpaper.wallpaperObserver.startWatching(); 569 } 570 switchWallpaper(wallpaper, reply); 571 } 572 } 573 574 void switchWallpaper(WallpaperData wallpaper, IRemoteCallback reply) { 575 synchronized (mLock) { 576 RuntimeException e = null; 577 try { 578 ComponentName cname = wallpaper.wallpaperComponent != null ? 579 wallpaper.wallpaperComponent : wallpaper.nextWallpaperComponent; 580 if (bindWallpaperComponentLocked(cname, true, false, wallpaper, reply)) { 581 return; 582 } 583 } catch (RuntimeException e1) { 584 e = e1; 585 } 586 Slog.w(TAG, "Failure starting previous wallpaper", e); 587 clearWallpaperLocked(false, wallpaper.userId, reply); 588 } 589 } 590 591 public void clearWallpaper() { 592 if (DEBUG) Slog.v(TAG, "clearWallpaper"); 593 synchronized (mLock) { 594 clearWallpaperLocked(false, UserHandle.getCallingUserId(), null); 595 } 596 } 597 598 void clearWallpaperLocked(boolean defaultFailed, int userId, IRemoteCallback reply) { 599 WallpaperData wallpaper = mWallpaperMap.get(userId); 600 File f = new File(getWallpaperDir(userId), WALLPAPER); 601 if (f.exists()) { 602 f.delete(); 603 } 604 final long ident = Binder.clearCallingIdentity(); 605 RuntimeException e = null; 606 try { 607 wallpaper.imageWallpaperPending = false; 608 if (userId != mCurrentUserId) return; 609 if (bindWallpaperComponentLocked(defaultFailed 610 ? mImageWallpaper 611 : null, true, false, wallpaper, reply)) { 612 return; 613 } 614 } catch (IllegalArgumentException e1) { 615 e = e1; 616 } finally { 617 Binder.restoreCallingIdentity(ident); 618 } 619 620 // This can happen if the default wallpaper component doesn't 621 // exist. This should be a system configuration problem, but 622 // let's not let it crash the system and just live with no 623 // wallpaper. 624 Slog.e(TAG, "Default wallpaper component not found!", e); 625 clearWallpaperComponentLocked(wallpaper); 626 if (reply != null) { 627 try { 628 reply.sendResult(null); 629 } catch (RemoteException e1) { 630 } 631 } 632 } 633 634 public boolean hasNamedWallpaper(String name) { 635 synchronized (mLock) { 636 List<UserInfo> users; 637 long ident = Binder.clearCallingIdentity(); 638 try { 639 users = ((UserManager) mContext.getSystemService(Context.USER_SERVICE)).getUsers(); 640 } finally { 641 Binder.restoreCallingIdentity(ident); 642 } 643 for (UserInfo user: users) { 644 WallpaperData wd = mWallpaperMap.get(user.id); 645 if (wd == null) { 646 // User hasn't started yet, so load her settings to peek at the wallpaper 647 loadSettingsLocked(user.id); 648 wd = mWallpaperMap.get(user.id); 649 } 650 if (wd != null && name.equals(wd.name)) { 651 return true; 652 } 653 } 654 } 655 return false; 656 } 657 658 private Point getDefaultDisplaySize() { 659 Point p = new Point(); 660 WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE); 661 Display d = wm.getDefaultDisplay(); 662 d.getRealSize(p); 663 return p; 664 } 665 666 public void setDimensionHints(int width, int height) throws RemoteException { 667 checkPermission(android.Manifest.permission.SET_WALLPAPER_HINTS); 668 synchronized (mLock) { 669 int userId = UserHandle.getCallingUserId(); 670 WallpaperData wallpaper = mWallpaperMap.get(userId); 671 if (wallpaper == null) { 672 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 673 } 674 if (width <= 0 || height <= 0) { 675 throw new IllegalArgumentException("width and height must be > 0"); 676 } 677 // Make sure it is at least as large as the display. 678 Point displaySize = getDefaultDisplaySize(); 679 width = Math.max(width, displaySize.x); 680 height = Math.max(height, displaySize.y); 681 682 if (width != wallpaper.width || height != wallpaper.height) { 683 wallpaper.width = width; 684 wallpaper.height = height; 685 saveSettingsLocked(wallpaper); 686 if (mCurrentUserId != userId) return; // Don't change the properties now 687 if (wallpaper.connection != null) { 688 if (wallpaper.connection.mEngine != null) { 689 try { 690 wallpaper.connection.mEngine.setDesiredSize( 691 width, height); 692 } catch (RemoteException e) { 693 } 694 notifyCallbacksLocked(wallpaper); 695 } else if (wallpaper.connection.mService != null) { 696 // We've attached to the service but the engine hasn't attached back to us 697 // yet. This means it will be created with the previous dimensions, so we 698 // need to update it to the new dimensions once it attaches. 699 wallpaper.connection.mDimensionsChanged = true; 700 } 701 } 702 } 703 } 704 } 705 706 public int getWidthHint() throws RemoteException { 707 synchronized (mLock) { 708 WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId()); 709 return wallpaper.width; 710 } 711 } 712 713 public int getHeightHint() throws RemoteException { 714 synchronized (mLock) { 715 WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId()); 716 return wallpaper.height; 717 } 718 } 719 720 public ParcelFileDescriptor getWallpaper(IWallpaperManagerCallback cb, 721 Bundle outParams) { 722 synchronized (mLock) { 723 // This returns the current user's wallpaper, if called by a system service. Else it 724 // returns the wallpaper for the calling user. 725 int callingUid = Binder.getCallingUid(); 726 int wallpaperUserId = 0; 727 if (callingUid == android.os.Process.SYSTEM_UID) { 728 wallpaperUserId = mCurrentUserId; 729 } else { 730 wallpaperUserId = UserHandle.getUserId(callingUid); 731 } 732 WallpaperData wallpaper = mWallpaperMap.get(wallpaperUserId); 733 try { 734 if (outParams != null) { 735 outParams.putInt("width", wallpaper.width); 736 outParams.putInt("height", wallpaper.height); 737 } 738 wallpaper.callbacks.register(cb); 739 File f = new File(getWallpaperDir(wallpaperUserId), WALLPAPER); 740 if (!f.exists()) { 741 return null; 742 } 743 return ParcelFileDescriptor.open(f, MODE_READ_ONLY); 744 } catch (FileNotFoundException e) { 745 /* Shouldn't happen as we check to see if the file exists */ 746 Slog.w(TAG, "Error getting wallpaper", e); 747 } 748 return null; 749 } 750 } 751 752 public WallpaperInfo getWallpaperInfo() { 753 int userId = UserHandle.getCallingUserId(); 754 synchronized (mLock) { 755 WallpaperData wallpaper = mWallpaperMap.get(userId); 756 if (wallpaper.connection != null) { 757 return wallpaper.connection.mInfo; 758 } 759 return null; 760 } 761 } 762 763 public ParcelFileDescriptor setWallpaper(String name) { 764 checkPermission(android.Manifest.permission.SET_WALLPAPER); 765 synchronized (mLock) { 766 if (DEBUG) Slog.v(TAG, "setWallpaper"); 767 int userId = UserHandle.getCallingUserId(); 768 WallpaperData wallpaper = mWallpaperMap.get(userId); 769 if (wallpaper == null) { 770 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 771 } 772 final long ident = Binder.clearCallingIdentity(); 773 try { 774 ParcelFileDescriptor pfd = updateWallpaperBitmapLocked(name, wallpaper); 775 if (pfd != null) { 776 wallpaper.imageWallpaperPending = true; 777 } 778 return pfd; 779 } finally { 780 Binder.restoreCallingIdentity(ident); 781 } 782 } 783 } 784 785 ParcelFileDescriptor updateWallpaperBitmapLocked(String name, WallpaperData wallpaper) { 786 if (name == null) name = ""; 787 try { 788 File dir = getWallpaperDir(wallpaper.userId); 789 if (!dir.exists()) { 790 dir.mkdir(); 791 FileUtils.setPermissions( 792 dir.getPath(), 793 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, 794 -1, -1); 795 } 796 File file = new File(dir, WALLPAPER); 797 ParcelFileDescriptor fd = ParcelFileDescriptor.open(file, 798 MODE_CREATE|MODE_READ_WRITE); 799 if (!SELinux.restorecon(file)) { 800 return null; 801 } 802 wallpaper.name = name; 803 return fd; 804 } catch (FileNotFoundException e) { 805 Slog.w(TAG, "Error setting wallpaper", e); 806 } 807 return null; 808 } 809 810 public void setWallpaperComponent(ComponentName name) { 811 checkPermission(android.Manifest.permission.SET_WALLPAPER_COMPONENT); 812 synchronized (mLock) { 813 if (DEBUG) Slog.v(TAG, "setWallpaperComponent name=" + name); 814 int userId = UserHandle.getCallingUserId(); 815 WallpaperData wallpaper = mWallpaperMap.get(userId); 816 if (wallpaper == null) { 817 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 818 } 819 final long ident = Binder.clearCallingIdentity(); 820 try { 821 wallpaper.imageWallpaperPending = false; 822 bindWallpaperComponentLocked(name, false, true, wallpaper, null); 823 } finally { 824 Binder.restoreCallingIdentity(ident); 825 } 826 } 827 } 828 829 boolean bindWallpaperComponentLocked(ComponentName componentName, boolean force, 830 boolean fromUser, WallpaperData wallpaper, IRemoteCallback reply) { 831 if (DEBUG) Slog.v(TAG, "bindWallpaperComponentLocked: componentName=" + componentName); 832 // Has the component changed? 833 if (!force) { 834 if (wallpaper.connection != null) { 835 if (wallpaper.wallpaperComponent == null) { 836 if (componentName == null) { 837 if (DEBUG) Slog.v(TAG, "bindWallpaperComponentLocked: still using default"); 838 // Still using default wallpaper. 839 return true; 840 } 841 } else if (wallpaper.wallpaperComponent.equals(componentName)) { 842 // Changing to same wallpaper. 843 if (DEBUG) Slog.v(TAG, "same wallpaper"); 844 return true; 845 } 846 } 847 } 848 849 try { 850 if (componentName == null) { 851 componentName = WallpaperManager.getDefaultWallpaperComponent(mContext); 852 if (componentName == null) { 853 // Fall back to static image wallpaper 854 componentName = mImageWallpaper; 855 //clearWallpaperComponentLocked(); 856 //return; 857 if (DEBUG) Slog.v(TAG, "Using image wallpaper"); 858 } 859 } 860 int serviceUserId = wallpaper.userId; 861 ServiceInfo si = mIPackageManager.getServiceInfo(componentName, 862 PackageManager.GET_META_DATA | PackageManager.GET_PERMISSIONS, serviceUserId); 863 if (si == null) { 864 // The wallpaper component we're trying to use doesn't exist 865 Slog.w(TAG, "Attempted wallpaper " + componentName + " is unavailable"); 866 return false; 867 } 868 if (!android.Manifest.permission.BIND_WALLPAPER.equals(si.permission)) { 869 String msg = "Selected service does not require " 870 + android.Manifest.permission.BIND_WALLPAPER 871 + ": " + componentName; 872 if (fromUser) { 873 throw new SecurityException(msg); 874 } 875 Slog.w(TAG, msg); 876 return false; 877 } 878 879 WallpaperInfo wi = null; 880 881 Intent intent = new Intent(WallpaperService.SERVICE_INTERFACE); 882 if (componentName != null && !componentName.equals(mImageWallpaper)) { 883 // Make sure the selected service is actually a wallpaper service. 884 List<ResolveInfo> ris = 885 mIPackageManager.queryIntentServices(intent, 886 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 887 PackageManager.GET_META_DATA, serviceUserId); 888 for (int i=0; i<ris.size(); i++) { 889 ServiceInfo rsi = ris.get(i).serviceInfo; 890 if (rsi.name.equals(si.name) && 891 rsi.packageName.equals(si.packageName)) { 892 try { 893 wi = new WallpaperInfo(mContext, ris.get(i)); 894 } catch (XmlPullParserException e) { 895 if (fromUser) { 896 throw new IllegalArgumentException(e); 897 } 898 Slog.w(TAG, e); 899 return false; 900 } catch (IOException e) { 901 if (fromUser) { 902 throw new IllegalArgumentException(e); 903 } 904 Slog.w(TAG, e); 905 return false; 906 } 907 break; 908 } 909 } 910 if (wi == null) { 911 String msg = "Selected service is not a wallpaper: " 912 + componentName; 913 if (fromUser) { 914 throw new SecurityException(msg); 915 } 916 Slog.w(TAG, msg); 917 return false; 918 } 919 } 920 921 // Bind the service! 922 if (DEBUG) Slog.v(TAG, "Binding to:" + componentName); 923 WallpaperConnection newConn = new WallpaperConnection(wi, wallpaper); 924 intent.setComponent(componentName); 925 intent.putExtra(Intent.EXTRA_CLIENT_LABEL, 926 com.android.internal.R.string.wallpaper_binding_label); 927 intent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivityAsUser( 928 mContext, 0, 929 Intent.createChooser(new Intent(Intent.ACTION_SET_WALLPAPER), 930 mContext.getText(com.android.internal.R.string.chooser_wallpaper)), 931 0, null, new UserHandle(serviceUserId))); 932 if (!mContext.bindServiceAsUser(intent, newConn, 933 Context.BIND_AUTO_CREATE | Context.BIND_SHOWING_UI, 934 new UserHandle(serviceUserId))) { 935 String msg = "Unable to bind service: " 936 + componentName; 937 if (fromUser) { 938 throw new IllegalArgumentException(msg); 939 } 940 Slog.w(TAG, msg); 941 return false; 942 } 943 if (wallpaper.userId == mCurrentUserId && mLastWallpaper != null) { 944 detachWallpaperLocked(mLastWallpaper); 945 } 946 wallpaper.wallpaperComponent = componentName; 947 wallpaper.connection = newConn; 948 newConn.mReply = reply; 949 try { 950 if (wallpaper.userId == mCurrentUserId) { 951 if (DEBUG) 952 Slog.v(TAG, "Adding window token: " + newConn.mToken); 953 mIWindowManager.addWindowToken(newConn.mToken, 954 WindowManager.LayoutParams.TYPE_WALLPAPER); 955 mLastWallpaper = wallpaper; 956 } 957 } catch (RemoteException e) { 958 } 959 } catch (RemoteException e) { 960 String msg = "Remote exception for " + componentName + "\n" + e; 961 if (fromUser) { 962 throw new IllegalArgumentException(msg); 963 } 964 Slog.w(TAG, msg); 965 return false; 966 } 967 return true; 968 } 969 970 void detachWallpaperLocked(WallpaperData wallpaper) { 971 if (wallpaper.connection != null) { 972 if (wallpaper.connection.mReply != null) { 973 try { 974 wallpaper.connection.mReply.sendResult(null); 975 } catch (RemoteException e) { 976 } 977 wallpaper.connection.mReply = null; 978 } 979 if (wallpaper.connection.mEngine != null) { 980 try { 981 wallpaper.connection.mEngine.destroy(); 982 } catch (RemoteException e) { 983 } 984 } 985 mContext.unbindService(wallpaper.connection); 986 try { 987 if (DEBUG) 988 Slog.v(TAG, "Removing window token: " + wallpaper.connection.mToken); 989 mIWindowManager.removeWindowToken(wallpaper.connection.mToken); 990 } catch (RemoteException e) { 991 } 992 wallpaper.connection.mService = null; 993 wallpaper.connection.mEngine = null; 994 wallpaper.connection = null; 995 } 996 } 997 998 void clearWallpaperComponentLocked(WallpaperData wallpaper) { 999 wallpaper.wallpaperComponent = null; 1000 detachWallpaperLocked(wallpaper); 1001 } 1002 1003 void attachServiceLocked(WallpaperConnection conn, WallpaperData wallpaper) { 1004 try { 1005 conn.mService.attach(conn, conn.mToken, 1006 WindowManager.LayoutParams.TYPE_WALLPAPER, false, 1007 wallpaper.width, wallpaper.height); 1008 } catch (RemoteException e) { 1009 Slog.w(TAG, "Failed attaching wallpaper; clearing", e); 1010 if (!wallpaper.wallpaperUpdating) { 1011 bindWallpaperComponentLocked(null, false, false, wallpaper, null); 1012 } 1013 } 1014 } 1015 1016 private void notifyCallbacksLocked(WallpaperData wallpaper) { 1017 final int n = wallpaper.callbacks.beginBroadcast(); 1018 for (int i = 0; i < n; i++) { 1019 try { 1020 wallpaper.callbacks.getBroadcastItem(i).onWallpaperChanged(); 1021 } catch (RemoteException e) { 1022 1023 // The RemoteCallbackList will take care of removing 1024 // the dead object for us. 1025 } 1026 } 1027 wallpaper.callbacks.finishBroadcast(); 1028 final Intent intent = new Intent(Intent.ACTION_WALLPAPER_CHANGED); 1029 mContext.sendBroadcastAsUser(intent, new UserHandle(mCurrentUserId)); 1030 } 1031 1032 private void checkPermission(String permission) { 1033 if (PackageManager.PERMISSION_GRANTED!= mContext.checkCallingOrSelfPermission(permission)) { 1034 throw new SecurityException("Access denied to process: " + Binder.getCallingPid() 1035 + ", must have permission " + permission); 1036 } 1037 } 1038 1039 private static JournaledFile makeJournaledFile(int userId) { 1040 final String base = new File(getWallpaperDir(userId), WALLPAPER_INFO).getAbsolutePath(); 1041 return new JournaledFile(new File(base), new File(base + ".tmp")); 1042 } 1043 1044 private void saveSettingsLocked(WallpaperData wallpaper) { 1045 JournaledFile journal = makeJournaledFile(wallpaper.userId); 1046 FileOutputStream stream = null; 1047 try { 1048 stream = new FileOutputStream(journal.chooseForWrite(), false); 1049 XmlSerializer out = new FastXmlSerializer(); 1050 out.setOutput(stream, "utf-8"); 1051 out.startDocument(null, true); 1052 1053 out.startTag(null, "wp"); 1054 out.attribute(null, "width", Integer.toString(wallpaper.width)); 1055 out.attribute(null, "height", Integer.toString(wallpaper.height)); 1056 out.attribute(null, "name", wallpaper.name); 1057 if (wallpaper.wallpaperComponent != null 1058 && !wallpaper.wallpaperComponent.equals(mImageWallpaper)) { 1059 out.attribute(null, "component", 1060 wallpaper.wallpaperComponent.flattenToShortString()); 1061 } 1062 out.endTag(null, "wp"); 1063 1064 out.endDocument(); 1065 stream.close(); 1066 journal.commit(); 1067 } catch (IOException e) { 1068 try { 1069 if (stream != null) { 1070 stream.close(); 1071 } 1072 } catch (IOException ex) { 1073 // Ignore 1074 } 1075 journal.rollback(); 1076 } 1077 } 1078 1079 private void migrateFromOld() { 1080 File oldWallpaper = new File(WallpaperBackupHelper.WALLPAPER_IMAGE_KEY); 1081 File oldInfo = new File(WallpaperBackupHelper.WALLPAPER_INFO_KEY); 1082 if (oldWallpaper.exists()) { 1083 File newWallpaper = new File(getWallpaperDir(0), WALLPAPER); 1084 oldWallpaper.renameTo(newWallpaper); 1085 } 1086 if (oldInfo.exists()) { 1087 File newInfo = new File(getWallpaperDir(0), WALLPAPER_INFO); 1088 oldInfo.renameTo(newInfo); 1089 } 1090 } 1091 1092 private void loadSettingsLocked(int userId) { 1093 if (DEBUG) Slog.v(TAG, "loadSettingsLocked"); 1094 1095 JournaledFile journal = makeJournaledFile(userId); 1096 FileInputStream stream = null; 1097 File file = journal.chooseForRead(); 1098 if (!file.exists()) { 1099 // This should only happen one time, when upgrading from a legacy system 1100 migrateFromOld(); 1101 } 1102 WallpaperData wallpaper = mWallpaperMap.get(userId); 1103 if (wallpaper == null) { 1104 wallpaper = new WallpaperData(userId); 1105 mWallpaperMap.put(userId, wallpaper); 1106 } 1107 boolean success = false; 1108 try { 1109 stream = new FileInputStream(file); 1110 XmlPullParser parser = Xml.newPullParser(); 1111 parser.setInput(stream, null); 1112 1113 int type; 1114 do { 1115 type = parser.next(); 1116 if (type == XmlPullParser.START_TAG) { 1117 String tag = parser.getName(); 1118 if ("wp".equals(tag)) { 1119 wallpaper.width = Integer.parseInt(parser.getAttributeValue(null, "width")); 1120 wallpaper.height = Integer.parseInt(parser 1121 .getAttributeValue(null, "height")); 1122 wallpaper.name = parser.getAttributeValue(null, "name"); 1123 String comp = parser.getAttributeValue(null, "component"); 1124 wallpaper.nextWallpaperComponent = comp != null 1125 ? ComponentName.unflattenFromString(comp) 1126 : null; 1127 if (wallpaper.nextWallpaperComponent == null 1128 || "android".equals(wallpaper.nextWallpaperComponent 1129 .getPackageName())) { 1130 wallpaper.nextWallpaperComponent = mImageWallpaper; 1131 } 1132 1133 if (DEBUG) { 1134 Slog.v(TAG, "mWidth:" + wallpaper.width); 1135 Slog.v(TAG, "mHeight:" + wallpaper.height); 1136 Slog.v(TAG, "mName:" + wallpaper.name); 1137 Slog.v(TAG, "mNextWallpaperComponent:" 1138 + wallpaper.nextWallpaperComponent); 1139 } 1140 } 1141 } 1142 } while (type != XmlPullParser.END_DOCUMENT); 1143 success = true; 1144 } catch (FileNotFoundException e) { 1145 Slog.w(TAG, "no current wallpaper -- first boot?"); 1146 } catch (NullPointerException e) { 1147 Slog.w(TAG, "failed parsing " + file + " " + e); 1148 } catch (NumberFormatException e) { 1149 Slog.w(TAG, "failed parsing " + file + " " + e); 1150 } catch (XmlPullParserException e) { 1151 Slog.w(TAG, "failed parsing " + file + " " + e); 1152 } catch (IOException e) { 1153 Slog.w(TAG, "failed parsing " + file + " " + e); 1154 } catch (IndexOutOfBoundsException e) { 1155 Slog.w(TAG, "failed parsing " + file + " " + e); 1156 } 1157 try { 1158 if (stream != null) { 1159 stream.close(); 1160 } 1161 } catch (IOException e) { 1162 // Ignore 1163 } 1164 1165 if (!success) { 1166 wallpaper.width = -1; 1167 wallpaper.height = -1; 1168 wallpaper.name = ""; 1169 } 1170 1171 // We always want to have some reasonable width hint. 1172 int baseSize = getMaximumSizeDimension(); 1173 if (wallpaper.width < baseSize) { 1174 wallpaper.width = baseSize; 1175 } 1176 if (wallpaper.height < baseSize) { 1177 wallpaper.height = baseSize; 1178 } 1179 } 1180 1181 private int getMaximumSizeDimension() { 1182 WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE); 1183 Display d = wm.getDefaultDisplay(); 1184 return d.getMaximumSizeDimension(); 1185 } 1186 1187 // Called by SystemBackupAgent after files are restored to disk. 1188 public void settingsRestored() { 1189 // Verify caller is the system 1190 if (Binder.getCallingUid() != android.os.Process.SYSTEM_UID) { 1191 throw new RuntimeException("settingsRestored() can only be called from the system process"); 1192 } 1193 // TODO: If necessary, make it work for secondary users as well. This currently assumes 1194 // restores only to the primary user 1195 if (DEBUG) Slog.v(TAG, "settingsRestored"); 1196 WallpaperData wallpaper = null; 1197 boolean success = false; 1198 synchronized (mLock) { 1199 loadSettingsLocked(0); 1200 wallpaper = mWallpaperMap.get(0); 1201 if (wallpaper.nextWallpaperComponent != null 1202 && !wallpaper.nextWallpaperComponent.equals(mImageWallpaper)) { 1203 if (!bindWallpaperComponentLocked(wallpaper.nextWallpaperComponent, false, false, 1204 wallpaper, null)) { 1205 // No such live wallpaper or other failure; fall back to the default 1206 // live wallpaper (since the profile being restored indicated that the 1207 // user had selected a live rather than static one). 1208 bindWallpaperComponentLocked(null, false, false, wallpaper, null); 1209 } 1210 success = true; 1211 } else { 1212 // If there's a wallpaper name, we use that. If that can't be loaded, then we 1213 // use the default. 1214 if ("".equals(wallpaper.name)) { 1215 if (DEBUG) Slog.v(TAG, "settingsRestored: name is empty"); 1216 success = true; 1217 } else { 1218 if (DEBUG) Slog.v(TAG, "settingsRestored: attempting to restore named resource"); 1219 success = restoreNamedResourceLocked(wallpaper); 1220 } 1221 if (DEBUG) Slog.v(TAG, "settingsRestored: success=" + success); 1222 if (success) { 1223 bindWallpaperComponentLocked(wallpaper.nextWallpaperComponent, false, false, 1224 wallpaper, null); 1225 } 1226 } 1227 } 1228 1229 if (!success) { 1230 Slog.e(TAG, "Failed to restore wallpaper: '" + wallpaper.name + "'"); 1231 wallpaper.name = ""; 1232 getWallpaperDir(0).delete(); 1233 } 1234 1235 synchronized (mLock) { 1236 saveSettingsLocked(wallpaper); 1237 } 1238 } 1239 1240 boolean restoreNamedResourceLocked(WallpaperData wallpaper) { 1241 if (wallpaper.name.length() > 4 && "res:".equals(wallpaper.name.substring(0, 4))) { 1242 String resName = wallpaper.name.substring(4); 1243 1244 String pkg = null; 1245 int colon = resName.indexOf(':'); 1246 if (colon > 0) { 1247 pkg = resName.substring(0, colon); 1248 } 1249 1250 String ident = null; 1251 int slash = resName.lastIndexOf('/'); 1252 if (slash > 0) { 1253 ident = resName.substring(slash+1); 1254 } 1255 1256 String type = null; 1257 if (colon > 0 && slash > 0 && (slash-colon) > 1) { 1258 type = resName.substring(colon+1, slash); 1259 } 1260 1261 if (pkg != null && ident != null && type != null) { 1262 int resId = -1; 1263 InputStream res = null; 1264 FileOutputStream fos = null; 1265 try { 1266 Context c = mContext.createPackageContext(pkg, Context.CONTEXT_RESTRICTED); 1267 Resources r = c.getResources(); 1268 resId = r.getIdentifier(resName, null, null); 1269 if (resId == 0) { 1270 Slog.e(TAG, "couldn't resolve identifier pkg=" + pkg + " type=" + type 1271 + " ident=" + ident); 1272 return false; 1273 } 1274 1275 res = r.openRawResource(resId); 1276 if (wallpaper.wallpaperFile.exists()) { 1277 wallpaper.wallpaperFile.delete(); 1278 } 1279 fos = new FileOutputStream(wallpaper.wallpaperFile); 1280 1281 byte[] buffer = new byte[32768]; 1282 int amt; 1283 while ((amt=res.read(buffer)) > 0) { 1284 fos.write(buffer, 0, amt); 1285 } 1286 // mWallpaperObserver will notice the close and send the change broadcast 1287 1288 Slog.v(TAG, "Restored wallpaper: " + resName); 1289 return true; 1290 } catch (NameNotFoundException e) { 1291 Slog.e(TAG, "Package name " + pkg + " not found"); 1292 } catch (Resources.NotFoundException e) { 1293 Slog.e(TAG, "Resource not found: " + resId); 1294 } catch (IOException e) { 1295 Slog.e(TAG, "IOException while restoring wallpaper ", e); 1296 } finally { 1297 if (res != null) { 1298 try { 1299 res.close(); 1300 } catch (IOException ex) {} 1301 } 1302 if (fos != null) { 1303 FileUtils.sync(fos); 1304 try { 1305 fos.close(); 1306 } catch (IOException ex) {} 1307 } 1308 } 1309 } 1310 } 1311 return false; 1312 } 1313 1314 @Override 1315 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1316 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1317 != PackageManager.PERMISSION_GRANTED) { 1318 1319 pw.println("Permission Denial: can't dump wallpaper service from from pid=" 1320 + Binder.getCallingPid() 1321 + ", uid=" + Binder.getCallingUid()); 1322 return; 1323 } 1324 1325 synchronized (mLock) { 1326 pw.println("Current Wallpaper Service state:"); 1327 for (int i = 0; i < mWallpaperMap.size(); i++) { 1328 WallpaperData wallpaper = mWallpaperMap.valueAt(i); 1329 pw.println(" User " + wallpaper.userId + ":"); 1330 pw.print(" mWidth="); 1331 pw.print(wallpaper.width); 1332 pw.print(" mHeight="); 1333 pw.println(wallpaper.height); 1334 pw.print(" mName="); 1335 pw.println(wallpaper.name); 1336 pw.print(" mWallpaperComponent="); 1337 pw.println(wallpaper.wallpaperComponent); 1338 if (wallpaper.connection != null) { 1339 WallpaperConnection conn = wallpaper.connection; 1340 pw.print(" Wallpaper connection "); 1341 pw.print(conn); 1342 pw.println(":"); 1343 if (conn.mInfo != null) { 1344 pw.print(" mInfo.component="); 1345 pw.println(conn.mInfo.getComponent()); 1346 } 1347 pw.print(" mToken="); 1348 pw.println(conn.mToken); 1349 pw.print(" mService="); 1350 pw.println(conn.mService); 1351 pw.print(" mEngine="); 1352 pw.println(conn.mEngine); 1353 pw.print(" mLastDiedTime="); 1354 pw.println(wallpaper.lastDiedTime - SystemClock.uptimeMillis()); 1355 } 1356 } 1357 } 1358 } 1359} 1360