WallpaperManagerService.java revision ecd827ac0d7a62ea81b8123120be1fe6424c2338
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 try { 606 RuntimeException e = null; 607 try { 608 wallpaper.imageWallpaperPending = false; 609 if (userId != mCurrentUserId) return; 610 if (bindWallpaperComponentLocked(defaultFailed 611 ? mImageWallpaper 612 : null, true, false, wallpaper, reply)) { 613 return; 614 } 615 } catch (IllegalArgumentException e1) { 616 e = e1; 617 } 618 619 // This can happen if the default wallpaper component doesn't 620 // exist. This should be a system configuration problem, but 621 // let's not let it crash the system and just live with no 622 // wallpaper. 623 Slog.e(TAG, "Default wallpaper component not found!", e); 624 clearWallpaperComponentLocked(wallpaper); 625 if (reply != null) { 626 try { 627 reply.sendResult(null); 628 } catch (RemoteException e1) { 629 } 630 } 631 } finally { 632 Binder.restoreCallingIdentity(ident); 633 } 634 } 635 636 public boolean hasNamedWallpaper(String name) { 637 synchronized (mLock) { 638 List<UserInfo> users; 639 long ident = Binder.clearCallingIdentity(); 640 try { 641 users = ((UserManager) mContext.getSystemService(Context.USER_SERVICE)).getUsers(); 642 } finally { 643 Binder.restoreCallingIdentity(ident); 644 } 645 for (UserInfo user: users) { 646 WallpaperData wd = mWallpaperMap.get(user.id); 647 if (wd == null) { 648 // User hasn't started yet, so load her settings to peek at the wallpaper 649 loadSettingsLocked(user.id); 650 wd = mWallpaperMap.get(user.id); 651 } 652 if (wd != null && name.equals(wd.name)) { 653 return true; 654 } 655 } 656 } 657 return false; 658 } 659 660 private Point getDefaultDisplaySize() { 661 Point p = new Point(); 662 WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE); 663 Display d = wm.getDefaultDisplay(); 664 d.getRealSize(p); 665 return p; 666 } 667 668 public void setDimensionHints(int width, int height) throws RemoteException { 669 checkPermission(android.Manifest.permission.SET_WALLPAPER_HINTS); 670 synchronized (mLock) { 671 int userId = UserHandle.getCallingUserId(); 672 WallpaperData wallpaper = mWallpaperMap.get(userId); 673 if (wallpaper == null) { 674 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 675 } 676 if (width <= 0 || height <= 0) { 677 throw new IllegalArgumentException("width and height must be > 0"); 678 } 679 // Make sure it is at least as large as the display. 680 Point displaySize = getDefaultDisplaySize(); 681 width = Math.max(width, displaySize.x); 682 height = Math.max(height, displaySize.y); 683 684 if (width != wallpaper.width || height != wallpaper.height) { 685 wallpaper.width = width; 686 wallpaper.height = height; 687 saveSettingsLocked(wallpaper); 688 if (mCurrentUserId != userId) return; // Don't change the properties now 689 if (wallpaper.connection != null) { 690 if (wallpaper.connection.mEngine != null) { 691 try { 692 wallpaper.connection.mEngine.setDesiredSize( 693 width, height); 694 } catch (RemoteException e) { 695 } 696 notifyCallbacksLocked(wallpaper); 697 } else if (wallpaper.connection.mService != null) { 698 // We've attached to the service but the engine hasn't attached back to us 699 // yet. This means it will be created with the previous dimensions, so we 700 // need to update it to the new dimensions once it attaches. 701 wallpaper.connection.mDimensionsChanged = true; 702 } 703 } 704 } 705 } 706 } 707 708 public int getWidthHint() throws RemoteException { 709 synchronized (mLock) { 710 WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId()); 711 return wallpaper.width; 712 } 713 } 714 715 public int getHeightHint() throws RemoteException { 716 synchronized (mLock) { 717 WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId()); 718 return wallpaper.height; 719 } 720 } 721 722 public ParcelFileDescriptor getWallpaper(IWallpaperManagerCallback cb, 723 Bundle outParams) { 724 synchronized (mLock) { 725 // This returns the current user's wallpaper, if called by a system service. Else it 726 // returns the wallpaper for the calling user. 727 int callingUid = Binder.getCallingUid(); 728 int wallpaperUserId = 0; 729 if (callingUid == android.os.Process.SYSTEM_UID) { 730 wallpaperUserId = mCurrentUserId; 731 } else { 732 wallpaperUserId = UserHandle.getUserId(callingUid); 733 } 734 WallpaperData wallpaper = mWallpaperMap.get(wallpaperUserId); 735 try { 736 if (outParams != null) { 737 outParams.putInt("width", wallpaper.width); 738 outParams.putInt("height", wallpaper.height); 739 } 740 wallpaper.callbacks.register(cb); 741 File f = new File(getWallpaperDir(wallpaperUserId), WALLPAPER); 742 if (!f.exists()) { 743 return null; 744 } 745 return ParcelFileDescriptor.open(f, MODE_READ_ONLY); 746 } catch (FileNotFoundException e) { 747 /* Shouldn't happen as we check to see if the file exists */ 748 Slog.w(TAG, "Error getting wallpaper", e); 749 } 750 return null; 751 } 752 } 753 754 public WallpaperInfo getWallpaperInfo() { 755 int userId = UserHandle.getCallingUserId(); 756 synchronized (mLock) { 757 WallpaperData wallpaper = mWallpaperMap.get(userId); 758 if (wallpaper.connection != null) { 759 return wallpaper.connection.mInfo; 760 } 761 return null; 762 } 763 } 764 765 public ParcelFileDescriptor setWallpaper(String name) { 766 checkPermission(android.Manifest.permission.SET_WALLPAPER); 767 synchronized (mLock) { 768 if (DEBUG) Slog.v(TAG, "setWallpaper"); 769 int userId = UserHandle.getCallingUserId(); 770 WallpaperData wallpaper = mWallpaperMap.get(userId); 771 if (wallpaper == null) { 772 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 773 } 774 final long ident = Binder.clearCallingIdentity(); 775 try { 776 ParcelFileDescriptor pfd = updateWallpaperBitmapLocked(name, wallpaper); 777 if (pfd != null) { 778 wallpaper.imageWallpaperPending = true; 779 } 780 return pfd; 781 } finally { 782 Binder.restoreCallingIdentity(ident); 783 } 784 } 785 } 786 787 ParcelFileDescriptor updateWallpaperBitmapLocked(String name, WallpaperData wallpaper) { 788 if (name == null) name = ""; 789 try { 790 File dir = getWallpaperDir(wallpaper.userId); 791 if (!dir.exists()) { 792 dir.mkdir(); 793 FileUtils.setPermissions( 794 dir.getPath(), 795 FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH, 796 -1, -1); 797 } 798 File file = new File(dir, WALLPAPER); 799 ParcelFileDescriptor fd = ParcelFileDescriptor.open(file, 800 MODE_CREATE|MODE_READ_WRITE); 801 if (!SELinux.restorecon(file)) { 802 return null; 803 } 804 wallpaper.name = name; 805 return fd; 806 } catch (FileNotFoundException e) { 807 Slog.w(TAG, "Error setting wallpaper", e); 808 } 809 return null; 810 } 811 812 public void setWallpaperComponent(ComponentName name) { 813 checkPermission(android.Manifest.permission.SET_WALLPAPER_COMPONENT); 814 synchronized (mLock) { 815 if (DEBUG) Slog.v(TAG, "setWallpaperComponent name=" + name); 816 int userId = UserHandle.getCallingUserId(); 817 WallpaperData wallpaper = mWallpaperMap.get(userId); 818 if (wallpaper == null) { 819 throw new IllegalStateException("Wallpaper not yet initialized for user " + userId); 820 } 821 final long ident = Binder.clearCallingIdentity(); 822 try { 823 wallpaper.imageWallpaperPending = false; 824 bindWallpaperComponentLocked(name, false, true, wallpaper, null); 825 } finally { 826 Binder.restoreCallingIdentity(ident); 827 } 828 } 829 } 830 831 boolean bindWallpaperComponentLocked(ComponentName componentName, boolean force, 832 boolean fromUser, WallpaperData wallpaper, IRemoteCallback reply) { 833 if (DEBUG) Slog.v(TAG, "bindWallpaperComponentLocked: componentName=" + componentName); 834 // Has the component changed? 835 if (!force) { 836 if (wallpaper.connection != null) { 837 if (wallpaper.wallpaperComponent == null) { 838 if (componentName == null) { 839 if (DEBUG) Slog.v(TAG, "bindWallpaperComponentLocked: still using default"); 840 // Still using default wallpaper. 841 return true; 842 } 843 } else if (wallpaper.wallpaperComponent.equals(componentName)) { 844 // Changing to same wallpaper. 845 if (DEBUG) Slog.v(TAG, "same wallpaper"); 846 return true; 847 } 848 } 849 } 850 851 try { 852 if (componentName == null) { 853 componentName = WallpaperManager.getDefaultWallpaperComponent(mContext); 854 if (componentName == null) { 855 // Fall back to static image wallpaper 856 componentName = mImageWallpaper; 857 //clearWallpaperComponentLocked(); 858 //return; 859 if (DEBUG) Slog.v(TAG, "Using image wallpaper"); 860 } 861 } 862 int serviceUserId = wallpaper.userId; 863 ServiceInfo si = mIPackageManager.getServiceInfo(componentName, 864 PackageManager.GET_META_DATA | PackageManager.GET_PERMISSIONS, serviceUserId); 865 if (si == null) { 866 // The wallpaper component we're trying to use doesn't exist 867 Slog.w(TAG, "Attempted wallpaper " + componentName + " is unavailable"); 868 return false; 869 } 870 if (!android.Manifest.permission.BIND_WALLPAPER.equals(si.permission)) { 871 String msg = "Selected service does not require " 872 + android.Manifest.permission.BIND_WALLPAPER 873 + ": " + componentName; 874 if (fromUser) { 875 throw new SecurityException(msg); 876 } 877 Slog.w(TAG, msg); 878 return false; 879 } 880 881 WallpaperInfo wi = null; 882 883 Intent intent = new Intent(WallpaperService.SERVICE_INTERFACE); 884 if (componentName != null && !componentName.equals(mImageWallpaper)) { 885 // Make sure the selected service is actually a wallpaper service. 886 List<ResolveInfo> ris = 887 mIPackageManager.queryIntentServices(intent, 888 intent.resolveTypeIfNeeded(mContext.getContentResolver()), 889 PackageManager.GET_META_DATA, serviceUserId); 890 for (int i=0; i<ris.size(); i++) { 891 ServiceInfo rsi = ris.get(i).serviceInfo; 892 if (rsi.name.equals(si.name) && 893 rsi.packageName.equals(si.packageName)) { 894 try { 895 wi = new WallpaperInfo(mContext, ris.get(i)); 896 } catch (XmlPullParserException e) { 897 if (fromUser) { 898 throw new IllegalArgumentException(e); 899 } 900 Slog.w(TAG, e); 901 return false; 902 } catch (IOException e) { 903 if (fromUser) { 904 throw new IllegalArgumentException(e); 905 } 906 Slog.w(TAG, e); 907 return false; 908 } 909 break; 910 } 911 } 912 if (wi == null) { 913 String msg = "Selected service is not a wallpaper: " 914 + componentName; 915 if (fromUser) { 916 throw new SecurityException(msg); 917 } 918 Slog.w(TAG, msg); 919 return false; 920 } 921 } 922 923 // Bind the service! 924 if (DEBUG) Slog.v(TAG, "Binding to:" + componentName); 925 WallpaperConnection newConn = new WallpaperConnection(wi, wallpaper); 926 intent.setComponent(componentName); 927 intent.putExtra(Intent.EXTRA_CLIENT_LABEL, 928 com.android.internal.R.string.wallpaper_binding_label); 929 intent.putExtra(Intent.EXTRA_CLIENT_INTENT, PendingIntent.getActivityAsUser( 930 mContext, 0, 931 Intent.createChooser(new Intent(Intent.ACTION_SET_WALLPAPER), 932 mContext.getText(com.android.internal.R.string.chooser_wallpaper)), 933 0, null, new UserHandle(serviceUserId))); 934 if (!mContext.bindServiceAsUser(intent, newConn, 935 Context.BIND_AUTO_CREATE | Context.BIND_SHOWING_UI, 936 new UserHandle(serviceUserId))) { 937 String msg = "Unable to bind service: " 938 + componentName; 939 if (fromUser) { 940 throw new IllegalArgumentException(msg); 941 } 942 Slog.w(TAG, msg); 943 return false; 944 } 945 if (wallpaper.userId == mCurrentUserId && mLastWallpaper != null) { 946 detachWallpaperLocked(mLastWallpaper); 947 } 948 wallpaper.wallpaperComponent = componentName; 949 wallpaper.connection = newConn; 950 newConn.mReply = reply; 951 try { 952 if (wallpaper.userId == mCurrentUserId) { 953 if (DEBUG) 954 Slog.v(TAG, "Adding window token: " + newConn.mToken); 955 mIWindowManager.addWindowToken(newConn.mToken, 956 WindowManager.LayoutParams.TYPE_WALLPAPER); 957 mLastWallpaper = wallpaper; 958 } 959 } catch (RemoteException e) { 960 } 961 } catch (RemoteException e) { 962 String msg = "Remote exception for " + componentName + "\n" + e; 963 if (fromUser) { 964 throw new IllegalArgumentException(msg); 965 } 966 Slog.w(TAG, msg); 967 return false; 968 } 969 return true; 970 } 971 972 void detachWallpaperLocked(WallpaperData wallpaper) { 973 if (wallpaper.connection != null) { 974 if (wallpaper.connection.mReply != null) { 975 try { 976 wallpaper.connection.mReply.sendResult(null); 977 } catch (RemoteException e) { 978 } 979 wallpaper.connection.mReply = null; 980 } 981 if (wallpaper.connection.mEngine != null) { 982 try { 983 wallpaper.connection.mEngine.destroy(); 984 } catch (RemoteException e) { 985 } 986 } 987 mContext.unbindService(wallpaper.connection); 988 try { 989 if (DEBUG) 990 Slog.v(TAG, "Removing window token: " + wallpaper.connection.mToken); 991 mIWindowManager.removeWindowToken(wallpaper.connection.mToken); 992 } catch (RemoteException e) { 993 } 994 wallpaper.connection.mService = null; 995 wallpaper.connection.mEngine = null; 996 wallpaper.connection = null; 997 } 998 } 999 1000 void clearWallpaperComponentLocked(WallpaperData wallpaper) { 1001 wallpaper.wallpaperComponent = null; 1002 detachWallpaperLocked(wallpaper); 1003 } 1004 1005 void attachServiceLocked(WallpaperConnection conn, WallpaperData wallpaper) { 1006 try { 1007 conn.mService.attach(conn, conn.mToken, 1008 WindowManager.LayoutParams.TYPE_WALLPAPER, false, 1009 wallpaper.width, wallpaper.height); 1010 } catch (RemoteException e) { 1011 Slog.w(TAG, "Failed attaching wallpaper; clearing", e); 1012 if (!wallpaper.wallpaperUpdating) { 1013 bindWallpaperComponentLocked(null, false, false, wallpaper, null); 1014 } 1015 } 1016 } 1017 1018 private void notifyCallbacksLocked(WallpaperData wallpaper) { 1019 final int n = wallpaper.callbacks.beginBroadcast(); 1020 for (int i = 0; i < n; i++) { 1021 try { 1022 wallpaper.callbacks.getBroadcastItem(i).onWallpaperChanged(); 1023 } catch (RemoteException e) { 1024 1025 // The RemoteCallbackList will take care of removing 1026 // the dead object for us. 1027 } 1028 } 1029 wallpaper.callbacks.finishBroadcast(); 1030 final Intent intent = new Intent(Intent.ACTION_WALLPAPER_CHANGED); 1031 mContext.sendBroadcastAsUser(intent, new UserHandle(mCurrentUserId)); 1032 } 1033 1034 private void checkPermission(String permission) { 1035 if (PackageManager.PERMISSION_GRANTED!= mContext.checkCallingOrSelfPermission(permission)) { 1036 throw new SecurityException("Access denied to process: " + Binder.getCallingPid() 1037 + ", must have permission " + permission); 1038 } 1039 } 1040 1041 private static JournaledFile makeJournaledFile(int userId) { 1042 final String base = new File(getWallpaperDir(userId), WALLPAPER_INFO).getAbsolutePath(); 1043 return new JournaledFile(new File(base), new File(base + ".tmp")); 1044 } 1045 1046 private void saveSettingsLocked(WallpaperData wallpaper) { 1047 JournaledFile journal = makeJournaledFile(wallpaper.userId); 1048 FileOutputStream stream = null; 1049 try { 1050 stream = new FileOutputStream(journal.chooseForWrite(), false); 1051 XmlSerializer out = new FastXmlSerializer(); 1052 out.setOutput(stream, "utf-8"); 1053 out.startDocument(null, true); 1054 1055 out.startTag(null, "wp"); 1056 out.attribute(null, "width", Integer.toString(wallpaper.width)); 1057 out.attribute(null, "height", Integer.toString(wallpaper.height)); 1058 out.attribute(null, "name", wallpaper.name); 1059 if (wallpaper.wallpaperComponent != null 1060 && !wallpaper.wallpaperComponent.equals(mImageWallpaper)) { 1061 out.attribute(null, "component", 1062 wallpaper.wallpaperComponent.flattenToShortString()); 1063 } 1064 out.endTag(null, "wp"); 1065 1066 out.endDocument(); 1067 stream.close(); 1068 journal.commit(); 1069 } catch (IOException e) { 1070 try { 1071 if (stream != null) { 1072 stream.close(); 1073 } 1074 } catch (IOException ex) { 1075 // Ignore 1076 } 1077 journal.rollback(); 1078 } 1079 } 1080 1081 private void migrateFromOld() { 1082 File oldWallpaper = new File(WallpaperBackupHelper.WALLPAPER_IMAGE_KEY); 1083 File oldInfo = new File(WallpaperBackupHelper.WALLPAPER_INFO_KEY); 1084 if (oldWallpaper.exists()) { 1085 File newWallpaper = new File(getWallpaperDir(0), WALLPAPER); 1086 oldWallpaper.renameTo(newWallpaper); 1087 } 1088 if (oldInfo.exists()) { 1089 File newInfo = new File(getWallpaperDir(0), WALLPAPER_INFO); 1090 oldInfo.renameTo(newInfo); 1091 } 1092 } 1093 1094 private void loadSettingsLocked(int userId) { 1095 if (DEBUG) Slog.v(TAG, "loadSettingsLocked"); 1096 1097 JournaledFile journal = makeJournaledFile(userId); 1098 FileInputStream stream = null; 1099 File file = journal.chooseForRead(); 1100 if (!file.exists()) { 1101 // This should only happen one time, when upgrading from a legacy system 1102 migrateFromOld(); 1103 } 1104 WallpaperData wallpaper = mWallpaperMap.get(userId); 1105 if (wallpaper == null) { 1106 wallpaper = new WallpaperData(userId); 1107 mWallpaperMap.put(userId, wallpaper); 1108 } 1109 boolean success = false; 1110 try { 1111 stream = new FileInputStream(file); 1112 XmlPullParser parser = Xml.newPullParser(); 1113 parser.setInput(stream, null); 1114 1115 int type; 1116 do { 1117 type = parser.next(); 1118 if (type == XmlPullParser.START_TAG) { 1119 String tag = parser.getName(); 1120 if ("wp".equals(tag)) { 1121 wallpaper.width = Integer.parseInt(parser.getAttributeValue(null, "width")); 1122 wallpaper.height = Integer.parseInt(parser 1123 .getAttributeValue(null, "height")); 1124 wallpaper.name = parser.getAttributeValue(null, "name"); 1125 String comp = parser.getAttributeValue(null, "component"); 1126 wallpaper.nextWallpaperComponent = comp != null 1127 ? ComponentName.unflattenFromString(comp) 1128 : null; 1129 if (wallpaper.nextWallpaperComponent == null 1130 || "android".equals(wallpaper.nextWallpaperComponent 1131 .getPackageName())) { 1132 wallpaper.nextWallpaperComponent = mImageWallpaper; 1133 } 1134 1135 if (DEBUG) { 1136 Slog.v(TAG, "mWidth:" + wallpaper.width); 1137 Slog.v(TAG, "mHeight:" + wallpaper.height); 1138 Slog.v(TAG, "mName:" + wallpaper.name); 1139 Slog.v(TAG, "mNextWallpaperComponent:" 1140 + wallpaper.nextWallpaperComponent); 1141 } 1142 } 1143 } 1144 } while (type != XmlPullParser.END_DOCUMENT); 1145 success = true; 1146 } catch (FileNotFoundException e) { 1147 Slog.w(TAG, "no current wallpaper -- first boot?"); 1148 } catch (NullPointerException e) { 1149 Slog.w(TAG, "failed parsing " + file + " " + e); 1150 } catch (NumberFormatException e) { 1151 Slog.w(TAG, "failed parsing " + file + " " + e); 1152 } catch (XmlPullParserException e) { 1153 Slog.w(TAG, "failed parsing " + file + " " + e); 1154 } catch (IOException e) { 1155 Slog.w(TAG, "failed parsing " + file + " " + e); 1156 } catch (IndexOutOfBoundsException e) { 1157 Slog.w(TAG, "failed parsing " + file + " " + e); 1158 } 1159 try { 1160 if (stream != null) { 1161 stream.close(); 1162 } 1163 } catch (IOException e) { 1164 // Ignore 1165 } 1166 1167 if (!success) { 1168 wallpaper.width = -1; 1169 wallpaper.height = -1; 1170 wallpaper.name = ""; 1171 } 1172 1173 // We always want to have some reasonable width hint. 1174 int baseSize = getMaximumSizeDimension(); 1175 if (wallpaper.width < baseSize) { 1176 wallpaper.width = baseSize; 1177 } 1178 if (wallpaper.height < baseSize) { 1179 wallpaper.height = baseSize; 1180 } 1181 } 1182 1183 private int getMaximumSizeDimension() { 1184 WindowManager wm = (WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE); 1185 Display d = wm.getDefaultDisplay(); 1186 return d.getMaximumSizeDimension(); 1187 } 1188 1189 // Called by SystemBackupAgent after files are restored to disk. 1190 public void settingsRestored() { 1191 // Verify caller is the system 1192 if (Binder.getCallingUid() != android.os.Process.SYSTEM_UID) { 1193 throw new RuntimeException("settingsRestored() can only be called from the system process"); 1194 } 1195 // TODO: If necessary, make it work for secondary users as well. This currently assumes 1196 // restores only to the primary user 1197 if (DEBUG) Slog.v(TAG, "settingsRestored"); 1198 WallpaperData wallpaper = null; 1199 boolean success = false; 1200 synchronized (mLock) { 1201 loadSettingsLocked(0); 1202 wallpaper = mWallpaperMap.get(0); 1203 if (wallpaper.nextWallpaperComponent != null 1204 && !wallpaper.nextWallpaperComponent.equals(mImageWallpaper)) { 1205 if (!bindWallpaperComponentLocked(wallpaper.nextWallpaperComponent, false, false, 1206 wallpaper, null)) { 1207 // No such live wallpaper or other failure; fall back to the default 1208 // live wallpaper (since the profile being restored indicated that the 1209 // user had selected a live rather than static one). 1210 bindWallpaperComponentLocked(null, false, false, wallpaper, null); 1211 } 1212 success = true; 1213 } else { 1214 // If there's a wallpaper name, we use that. If that can't be loaded, then we 1215 // use the default. 1216 if ("".equals(wallpaper.name)) { 1217 if (DEBUG) Slog.v(TAG, "settingsRestored: name is empty"); 1218 success = true; 1219 } else { 1220 if (DEBUG) Slog.v(TAG, "settingsRestored: attempting to restore named resource"); 1221 success = restoreNamedResourceLocked(wallpaper); 1222 } 1223 if (DEBUG) Slog.v(TAG, "settingsRestored: success=" + success); 1224 if (success) { 1225 bindWallpaperComponentLocked(wallpaper.nextWallpaperComponent, false, false, 1226 wallpaper, null); 1227 } 1228 } 1229 } 1230 1231 if (!success) { 1232 Slog.e(TAG, "Failed to restore wallpaper: '" + wallpaper.name + "'"); 1233 wallpaper.name = ""; 1234 getWallpaperDir(0).delete(); 1235 } 1236 1237 synchronized (mLock) { 1238 saveSettingsLocked(wallpaper); 1239 } 1240 } 1241 1242 boolean restoreNamedResourceLocked(WallpaperData wallpaper) { 1243 if (wallpaper.name.length() > 4 && "res:".equals(wallpaper.name.substring(0, 4))) { 1244 String resName = wallpaper.name.substring(4); 1245 1246 String pkg = null; 1247 int colon = resName.indexOf(':'); 1248 if (colon > 0) { 1249 pkg = resName.substring(0, colon); 1250 } 1251 1252 String ident = null; 1253 int slash = resName.lastIndexOf('/'); 1254 if (slash > 0) { 1255 ident = resName.substring(slash+1); 1256 } 1257 1258 String type = null; 1259 if (colon > 0 && slash > 0 && (slash-colon) > 1) { 1260 type = resName.substring(colon+1, slash); 1261 } 1262 1263 if (pkg != null && ident != null && type != null) { 1264 int resId = -1; 1265 InputStream res = null; 1266 FileOutputStream fos = null; 1267 try { 1268 Context c = mContext.createPackageContext(pkg, Context.CONTEXT_RESTRICTED); 1269 Resources r = c.getResources(); 1270 resId = r.getIdentifier(resName, null, null); 1271 if (resId == 0) { 1272 Slog.e(TAG, "couldn't resolve identifier pkg=" + pkg + " type=" + type 1273 + " ident=" + ident); 1274 return false; 1275 } 1276 1277 res = r.openRawResource(resId); 1278 if (wallpaper.wallpaperFile.exists()) { 1279 wallpaper.wallpaperFile.delete(); 1280 } 1281 fos = new FileOutputStream(wallpaper.wallpaperFile); 1282 1283 byte[] buffer = new byte[32768]; 1284 int amt; 1285 while ((amt=res.read(buffer)) > 0) { 1286 fos.write(buffer, 0, amt); 1287 } 1288 // mWallpaperObserver will notice the close and send the change broadcast 1289 1290 Slog.v(TAG, "Restored wallpaper: " + resName); 1291 return true; 1292 } catch (NameNotFoundException e) { 1293 Slog.e(TAG, "Package name " + pkg + " not found"); 1294 } catch (Resources.NotFoundException e) { 1295 Slog.e(TAG, "Resource not found: " + resId); 1296 } catch (IOException e) { 1297 Slog.e(TAG, "IOException while restoring wallpaper ", e); 1298 } finally { 1299 if (res != null) { 1300 try { 1301 res.close(); 1302 } catch (IOException ex) {} 1303 } 1304 if (fos != null) { 1305 FileUtils.sync(fos); 1306 try { 1307 fos.close(); 1308 } catch (IOException ex) {} 1309 } 1310 } 1311 } 1312 } 1313 return false; 1314 } 1315 1316 @Override 1317 protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) { 1318 if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) 1319 != PackageManager.PERMISSION_GRANTED) { 1320 1321 pw.println("Permission Denial: can't dump wallpaper service from from pid=" 1322 + Binder.getCallingPid() 1323 + ", uid=" + Binder.getCallingUid()); 1324 return; 1325 } 1326 1327 synchronized (mLock) { 1328 pw.println("Current Wallpaper Service state:"); 1329 for (int i = 0; i < mWallpaperMap.size(); i++) { 1330 WallpaperData wallpaper = mWallpaperMap.valueAt(i); 1331 pw.println(" User " + wallpaper.userId + ":"); 1332 pw.print(" mWidth="); 1333 pw.print(wallpaper.width); 1334 pw.print(" mHeight="); 1335 pw.println(wallpaper.height); 1336 pw.print(" mName="); 1337 pw.println(wallpaper.name); 1338 pw.print(" mWallpaperComponent="); 1339 pw.println(wallpaper.wallpaperComponent); 1340 if (wallpaper.connection != null) { 1341 WallpaperConnection conn = wallpaper.connection; 1342 pw.print(" Wallpaper connection "); 1343 pw.print(conn); 1344 pw.println(":"); 1345 if (conn.mInfo != null) { 1346 pw.print(" mInfo.component="); 1347 pw.println(conn.mInfo.getComponent()); 1348 } 1349 pw.print(" mToken="); 1350 pw.println(conn.mToken); 1351 pw.print(" mService="); 1352 pw.println(conn.mService); 1353 pw.print(" mEngine="); 1354 pw.println(conn.mEngine); 1355 pw.print(" mLastDiedTime="); 1356 pw.println(wallpaper.lastDiedTime - SystemClock.uptimeMillis()); 1357 } 1358 } 1359 } 1360 } 1361} 1362