LauncherModel.java revision da891c1a22210e7e75f85796dea528bf8bf12b45
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.launcher3; 18 19import android.app.SearchManager; 20import android.appwidget.AppWidgetProviderInfo; 21import android.content.BroadcastReceiver; 22import android.content.ComponentName; 23import android.content.ContentProviderOperation; 24import android.content.ContentResolver; 25import android.content.ContentValues; 26import android.content.Context; 27import android.content.Intent; 28import android.content.Intent.ShortcutIconResource; 29import android.content.IntentFilter; 30import android.content.pm.PackageManager; 31import android.content.pm.ProviderInfo; 32import android.content.pm.ResolveInfo; 33import android.database.Cursor; 34import android.graphics.Bitmap; 35import android.net.Uri; 36import android.os.Environment; 37import android.os.Handler; 38import android.os.HandlerThread; 39import android.os.Looper; 40import android.os.Parcelable; 41import android.os.Process; 42import android.os.SystemClock; 43import android.provider.BaseColumns; 44import android.text.TextUtils; 45import android.util.Log; 46import android.util.LongSparseArray; 47import android.util.Pair; 48 49import com.android.launcher3.compat.AppWidgetManagerCompat; 50import com.android.launcher3.compat.LauncherActivityInfoCompat; 51import com.android.launcher3.compat.LauncherAppsCompat; 52import com.android.launcher3.compat.PackageInstallerCompat; 53import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo; 54import com.android.launcher3.compat.UserHandleCompat; 55import com.android.launcher3.compat.UserManagerCompat; 56import com.android.launcher3.config.ProviderConfig; 57import com.android.launcher3.folder.Folder; 58import com.android.launcher3.folder.FolderIcon; 59import com.android.launcher3.model.GridSizeMigrationTask; 60import com.android.launcher3.model.WidgetsModel; 61import com.android.launcher3.util.ComponentKey; 62import com.android.launcher3.util.CursorIconInfo; 63import com.android.launcher3.util.FlagOp; 64import com.android.launcher3.util.LongArrayMap; 65import com.android.launcher3.util.ManagedProfileHeuristic; 66import com.android.launcher3.util.StringFilter; 67import com.android.launcher3.util.Thunk; 68import com.android.launcher3.util.ViewOnDrawExecutor; 69 70import java.lang.ref.WeakReference; 71import java.net.URISyntaxException; 72import java.security.InvalidParameterException; 73import java.util.ArrayList; 74import java.util.Arrays; 75import java.util.Collections; 76import java.util.Comparator; 77import java.util.HashMap; 78import java.util.HashSet; 79import java.util.Iterator; 80import java.util.List; 81import java.util.Map.Entry; 82import java.util.Set; 83import java.util.concurrent.Executor; 84 85/** 86 * Maintains in-memory state of the Launcher. It is expected that there should be only one 87 * LauncherModel object held in a static. Also provide APIs for updating the database state 88 * for the Launcher. 89 */ 90public class LauncherModel extends BroadcastReceiver 91 implements LauncherAppsCompat.OnAppsChangedCallbackCompat { 92 static final boolean DEBUG_LOADERS = false; 93 private static final boolean DEBUG_RECEIVER = false; 94 private static final boolean REMOVE_UNRESTORED_ICONS = true; 95 96 static final String TAG = "Launcher.Model"; 97 98 public static final int LOADER_FLAG_NONE = 0; 99 public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0; 100 public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1; 101 102 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 103 private static final long INVALID_SCREEN_ID = -1L; 104 105 @Thunk final boolean mAppsCanBeOnRemoveableStorage; 106 private final boolean mOldContentProviderExists; 107 108 @Thunk final LauncherAppState mApp; 109 @Thunk final Object mLock = new Object(); 110 @Thunk DeferredHandler mHandler = new DeferredHandler(); 111 @Thunk LoaderTask mLoaderTask; 112 @Thunk boolean mIsLoaderTaskRunning; 113 @Thunk boolean mHasLoaderCompletedOnce; 114 115 private static final String MIGRATE_AUTHORITY = "com.android.launcher2.settings"; 116 117 @Thunk static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 118 static { 119 sWorkerThread.start(); 120 } 121 @Thunk static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 122 123 // We start off with everything not loaded. After that, we assume that 124 // our monitoring of the package manager provides all updates and we never 125 // need to do a requery. These are only ever touched from the loader thread. 126 @Thunk boolean mWorkspaceLoaded; 127 @Thunk boolean mAllAppsLoaded; 128 129 /** 130 * Set of runnables to be called on the background thread after the workspace binding 131 * is complete. 132 */ 133 static final ArrayList<Runnable> mBindCompleteRunnables = new ArrayList<Runnable>(); 134 135 @Thunk WeakReference<Callbacks> mCallbacks; 136 137 // < only access in worker thread > 138 private final AllAppsList mBgAllAppsList; 139 // Entire list of widgets. 140 private final WidgetsModel mBgWidgetsModel; 141 142 // The lock that must be acquired before referencing any static bg data structures. Unlike 143 // other locks, this one can generally be held long-term because we never expect any of these 144 // static data structures to be referenced outside of the worker thread except on the first 145 // load after configuration change. 146 static final Object sBgLock = new Object(); 147 148 // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 149 // LauncherModel to their ids 150 static final LongArrayMap<ItemInfo> sBgItemsIdMap = new LongArrayMap<>(); 151 152 // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts 153 // created by LauncherModel that are directly on the home screen (however, no widgets or 154 // shortcuts within folders). 155 static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>(); 156 157 // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 158 static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets = 159 new ArrayList<LauncherAppWidgetInfo>(); 160 161 // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 162 static final LongArrayMap<FolderInfo> sBgFolders = new LongArrayMap<>(); 163 164 // sBgWorkspaceScreens is the ordered set of workspace screens. 165 static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>(); 166 167 // sPendingPackages is a set of packages which could be on sdcard and are not available yet 168 static final HashMap<UserHandleCompat, HashSet<String>> sPendingPackages = 169 new HashMap<UserHandleCompat, HashSet<String>>(); 170 171 // </ only access in worker thread > 172 173 @Thunk IconCache mIconCache; 174 175 @Thunk final LauncherAppsCompat mLauncherApps; 176 @Thunk final UserManagerCompat mUserManager; 177 178 public interface Callbacks { 179 public boolean setLoadOnResume(); 180 public int getCurrentWorkspaceScreen(); 181 public void clearPendingBinds(); 182 public void startBinding(); 183 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end, 184 boolean forceAnimateIcons); 185 public void bindScreens(ArrayList<Long> orderedScreenIds); 186 public void bindAddScreens(ArrayList<Long> orderedScreenIds); 187 public void bindFolders(LongArrayMap<FolderInfo> folders); 188 public void finishBindingItems(); 189 public void bindAppWidget(LauncherAppWidgetInfo info); 190 public void bindAllApplications(ArrayList<AppInfo> apps); 191 public void bindAppsAdded(ArrayList<Long> newScreens, 192 ArrayList<ItemInfo> addNotAnimated, 193 ArrayList<ItemInfo> addAnimated, 194 ArrayList<AppInfo> addedApps); 195 public void bindAppsUpdated(ArrayList<AppInfo> apps); 196 public void bindShortcutsChanged(ArrayList<ShortcutInfo> updated, 197 ArrayList<ShortcutInfo> removed, UserHandleCompat user); 198 public void bindWidgetsRestored(ArrayList<LauncherAppWidgetInfo> widgets); 199 public void bindRestoreItemsChange(HashSet<ItemInfo> updates); 200 public void bindWorkspaceComponentsRemoved( 201 HashSet<String> packageNames, HashSet<ComponentName> components, 202 UserHandleCompat user); 203 public void bindAppInfosRemoved(ArrayList<AppInfo> appInfos); 204 public void notifyWidgetProvidersChanged(); 205 public void bindWidgetsModel(WidgetsModel model); 206 public void bindSearchProviderChanged(); 207 public boolean isAllAppsButtonRank(int rank); 208 public void onPageBoundSynchronously(int page); 209 public void executeOnNextDraw(ViewOnDrawExecutor executor); 210 } 211 212 public interface ItemInfoFilter { 213 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn); 214 } 215 216 LauncherModel(LauncherAppState app, IconCache iconCache, AppFilter appFilter) { 217 Context context = app.getContext(); 218 219 mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable(); 220 String oldProvider = context.getString(R.string.old_launcher_provider_uri); 221 // This may be the same as MIGRATE_AUTHORITY, or it may be replaced by a different 222 // resource string. 223 String redirectAuthority = Uri.parse(oldProvider).getAuthority(); 224 ProviderInfo providerInfo = 225 context.getPackageManager().resolveContentProvider(MIGRATE_AUTHORITY, 0); 226 ProviderInfo redirectProvider = 227 context.getPackageManager().resolveContentProvider(redirectAuthority, 0); 228 229 Log.d(TAG, "Old launcher provider: " + oldProvider); 230 mOldContentProviderExists = (providerInfo != null) && (redirectProvider != null); 231 232 if (mOldContentProviderExists) { 233 Log.d(TAG, "Old launcher provider exists."); 234 } else { 235 Log.d(TAG, "Old launcher provider does not exist."); 236 } 237 238 mApp = app; 239 mBgAllAppsList = new AllAppsList(iconCache, appFilter); 240 mBgWidgetsModel = new WidgetsModel(context, iconCache, appFilter); 241 mIconCache = iconCache; 242 243 mLauncherApps = LauncherAppsCompat.getInstance(context); 244 mUserManager = UserManagerCompat.getInstance(context); 245 } 246 247 /** Runs the specified runnable immediately if called from the main thread, otherwise it is 248 * posted on the main thread handler. */ 249 @Thunk void runOnMainThread(Runnable r) { 250 if (sWorkerThread.getThreadId() == Process.myTid()) { 251 // If we are on the worker thread, post onto the main handler 252 mHandler.post(r); 253 } else { 254 r.run(); 255 } 256 } 257 258 /** Runs the specified runnable immediately if called from the worker thread, otherwise it is 259 * posted on the worker thread handler. */ 260 @Thunk static void runOnWorkerThread(Runnable r) { 261 if (sWorkerThread.getThreadId() == Process.myTid()) { 262 r.run(); 263 } else { 264 // If we are not on the worker thread, then post to the worker handler 265 sWorker.post(r); 266 } 267 } 268 269 boolean canMigrateFromOldLauncherDb(Launcher launcher) { 270 return mOldContentProviderExists && !launcher.isLauncherPreinstalled() ; 271 } 272 273 public void setPackageState(final PackageInstallInfo installInfo) { 274 Runnable updateRunnable = new Runnable() { 275 276 @Override 277 public void run() { 278 synchronized (sBgLock) { 279 final HashSet<ItemInfo> updates = new HashSet<>(); 280 281 if (installInfo.state == PackageInstallerCompat.STATUS_INSTALLED) { 282 // Ignore install success events as they are handled by Package add events. 283 return; 284 } 285 286 for (ItemInfo info : sBgItemsIdMap) { 287 if (info instanceof ShortcutInfo) { 288 ShortcutInfo si = (ShortcutInfo) info; 289 ComponentName cn = si.getTargetComponent(); 290 if (si.isPromise() && (cn != null) 291 && installInfo.packageName.equals(cn.getPackageName())) { 292 si.setInstallProgress(installInfo.progress); 293 294 if (installInfo.state == PackageInstallerCompat.STATUS_FAILED) { 295 // Mark this info as broken. 296 si.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; 297 } 298 updates.add(si); 299 } 300 } 301 } 302 303 for (LauncherAppWidgetInfo widget : sBgAppWidgets) { 304 if (widget.providerName.getPackageName().equals(installInfo.packageName)) { 305 widget.installProgress = installInfo.progress; 306 updates.add(widget); 307 } 308 } 309 310 if (!updates.isEmpty()) { 311 // Push changes to the callback. 312 Runnable r = new Runnable() { 313 public void run() { 314 Callbacks callbacks = getCallback(); 315 if (callbacks != null) { 316 callbacks.bindRestoreItemsChange(updates); 317 } 318 } 319 }; 320 mHandler.post(r); 321 } 322 } 323 } 324 }; 325 runOnWorkerThread(updateRunnable); 326 } 327 328 /** 329 * Updates the icons and label of all pending icons for the provided package name. 330 */ 331 public void updateSessionDisplayInfo(final String packageName) { 332 Runnable updateRunnable = new Runnable() { 333 334 @Override 335 public void run() { 336 synchronized (sBgLock) { 337 final ArrayList<ShortcutInfo> updates = new ArrayList<>(); 338 final UserHandleCompat user = UserHandleCompat.myUserHandle(); 339 340 for (ItemInfo info : sBgItemsIdMap) { 341 if (info instanceof ShortcutInfo) { 342 ShortcutInfo si = (ShortcutInfo) info; 343 ComponentName cn = si.getTargetComponent(); 344 if (si.isPromise() && (cn != null) 345 && packageName.equals(cn.getPackageName())) { 346 if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { 347 // For auto install apps update the icon as well as label. 348 mIconCache.getTitleAndIcon(si, 349 si.promisedIntent, user, 350 si.shouldUseLowResIcon()); 351 } else { 352 // Only update the icon for restored apps. 353 si.updateIcon(mIconCache); 354 } 355 updates.add(si); 356 } 357 } 358 } 359 360 if (!updates.isEmpty()) { 361 // Push changes to the callback. 362 Runnable r = new Runnable() { 363 public void run() { 364 Callbacks callbacks = getCallback(); 365 if (callbacks != null) { 366 callbacks.bindShortcutsChanged(updates, 367 new ArrayList<ShortcutInfo>(), user); 368 } 369 } 370 }; 371 mHandler.post(r); 372 } 373 } 374 } 375 }; 376 runOnWorkerThread(updateRunnable); 377 } 378 379 public void addAppsToAllApps(final Context ctx, final ArrayList<AppInfo> allAppsApps) { 380 final Callbacks callbacks = getCallback(); 381 382 if (allAppsApps == null) { 383 throw new RuntimeException("allAppsApps must not be null"); 384 } 385 if (allAppsApps.isEmpty()) { 386 return; 387 } 388 389 // Process the newly added applications and add them to the database first 390 Runnable r = new Runnable() { 391 public void run() { 392 runOnMainThread(new Runnable() { 393 public void run() { 394 Callbacks cb = getCallback(); 395 if (callbacks == cb && cb != null) { 396 callbacks.bindAppsAdded(null, null, null, allAppsApps); 397 } 398 } 399 }); 400 } 401 }; 402 runOnWorkerThread(r); 403 } 404 405 private static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> occupiedPos, 406 int[] xy, int spanX, int spanY) { 407 LauncherAppState app = LauncherAppState.getInstance(); 408 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 409 final int xCount = (int) profile.numColumns; 410 final int yCount = (int) profile.numRows; 411 boolean[][] occupied = new boolean[xCount][yCount]; 412 if (occupiedPos != null) { 413 for (ItemInfo r : occupiedPos) { 414 int right = r.cellX + r.spanX; 415 int bottom = r.cellY + r.spanY; 416 for (int x = r.cellX; 0 <= x && x < right && x < xCount; x++) { 417 for (int y = r.cellY; 0 <= y && y < bottom && y < yCount; y++) { 418 occupied[x][y] = true; 419 } 420 } 421 } 422 } 423 return Utilities.findVacantCell(xy, spanX, spanY, xCount, yCount, occupied); 424 } 425 426 /** 427 * Find a position on the screen for the given size or adds a new screen. 428 * @return screenId and the coordinates for the item. 429 */ 430 @Thunk Pair<Long, int[]> findSpaceForItem( 431 Context context, 432 ArrayList<Long> workspaceScreens, 433 ArrayList<Long> addedWorkspaceScreensFinal, 434 int spanX, int spanY) { 435 LongSparseArray<ArrayList<ItemInfo>> screenItems = new LongSparseArray<>(); 436 437 // Use sBgItemsIdMap as all the items are already loaded. 438 assertWorkspaceLoaded(); 439 synchronized (sBgLock) { 440 for (ItemInfo info : sBgItemsIdMap) { 441 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 442 ArrayList<ItemInfo> items = screenItems.get(info.screenId); 443 if (items == null) { 444 items = new ArrayList<>(); 445 screenItems.put(info.screenId, items); 446 } 447 items.add(info); 448 } 449 } 450 } 451 452 // Find appropriate space for the item. 453 long screenId = 0; 454 int[] cordinates = new int[2]; 455 boolean found = false; 456 457 int screenCount = workspaceScreens.size(); 458 // First check the preferred screen. 459 int preferredScreenIndex = workspaceScreens.isEmpty() ? 0 : 1; 460 if (preferredScreenIndex < screenCount) { 461 screenId = workspaceScreens.get(preferredScreenIndex); 462 found = findNextAvailableIconSpaceInScreen( 463 screenItems.get(screenId), cordinates, spanX, spanY); 464 } 465 466 if (!found) { 467 // Search on any of the screens starting from the first screen. 468 for (int screen = 1; screen < screenCount; screen++) { 469 screenId = workspaceScreens.get(screen); 470 if (findNextAvailableIconSpaceInScreen( 471 screenItems.get(screenId), cordinates, spanX, spanY)) { 472 // We found a space for it 473 found = true; 474 break; 475 } 476 } 477 } 478 479 if (!found) { 480 // Still no position found. Add a new screen to the end. 481 screenId = LauncherSettings.Settings.call(context.getContentResolver(), 482 LauncherSettings.Settings.METHOD_NEW_SCREEN_ID) 483 .getLong(LauncherSettings.Settings.EXTRA_VALUE); 484 485 // Save the screen id for binding in the workspace 486 workspaceScreens.add(screenId); 487 addedWorkspaceScreensFinal.add(screenId); 488 489 // If we still can't find an empty space, then God help us all!!! 490 if (!findNextAvailableIconSpaceInScreen( 491 screenItems.get(screenId), cordinates, spanX, spanY)) { 492 throw new RuntimeException("Can't find space to add the item"); 493 } 494 } 495 return Pair.create(screenId, cordinates); 496 } 497 498 /** 499 * Adds the provided items to the workspace. 500 */ 501 public void addAndBindAddedWorkspaceItems(final Context context, 502 final ArrayList<? extends ItemInfo> workspaceApps) { 503 final Callbacks callbacks = getCallback(); 504 if (workspaceApps.isEmpty()) { 505 return; 506 } 507 // Process the newly added applications and add them to the database first 508 Runnable r = new Runnable() { 509 public void run() { 510 final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>(); 511 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>(); 512 513 // Get the list of workspace screens. We need to append to this list and 514 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been 515 // called. 516 ArrayList<Long> workspaceScreens = loadWorkspaceScreensDb(context); 517 synchronized(sBgLock) { 518 for (ItemInfo item : workspaceApps) { 519 if (item instanceof ShortcutInfo) { 520 // Short-circuit this logic if the icon exists somewhere on the workspace 521 if (shortcutExists(context, item.getIntent(), item.user)) { 522 continue; 523 } 524 } 525 526 // Find appropriate space for the item. 527 Pair<Long, int[]> coords = findSpaceForItem(context, 528 workspaceScreens, addedWorkspaceScreensFinal, 1, 1); 529 long screenId = coords.first; 530 int[] cordinates = coords.second; 531 532 ItemInfo itemInfo; 533 if (item instanceof ShortcutInfo || item instanceof FolderInfo) { 534 itemInfo = item; 535 } else if (item instanceof AppInfo) { 536 itemInfo = ((AppInfo) item).makeShortcut(); 537 } else { 538 throw new RuntimeException("Unexpected info type"); 539 } 540 541 // Add the shortcut to the db 542 addItemToDatabase(context, itemInfo, 543 LauncherSettings.Favorites.CONTAINER_DESKTOP, 544 screenId, cordinates[0], cordinates[1]); 545 // Save the ShortcutInfo for binding in the workspace 546 addedShortcutsFinal.add(itemInfo); 547 } 548 } 549 550 // Update the workspace screens 551 updateWorkspaceScreenOrder(context, workspaceScreens); 552 553 if (!addedShortcutsFinal.isEmpty()) { 554 runOnMainThread(new Runnable() { 555 public void run() { 556 Callbacks cb = getCallback(); 557 if (callbacks == cb && cb != null) { 558 final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>(); 559 final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>(); 560 if (!addedShortcutsFinal.isEmpty()) { 561 ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1); 562 long lastScreenId = info.screenId; 563 for (ItemInfo i : addedShortcutsFinal) { 564 if (i.screenId == lastScreenId) { 565 addAnimated.add(i); 566 } else { 567 addNotAnimated.add(i); 568 } 569 } 570 } 571 callbacks.bindAppsAdded(addedWorkspaceScreensFinal, 572 addNotAnimated, addAnimated, null); 573 } 574 } 575 }); 576 } 577 } 578 }; 579 runOnWorkerThread(r); 580 } 581 582 private void unbindItemInfosAndClearQueuedBindRunnables() { 583 if (sWorkerThread.getThreadId() == Process.myTid()) { 584 throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + 585 "main thread"); 586 } 587 588 // Remove any queued UI runnables 589 mHandler.cancelAll(); 590 // Unbind all the workspace items 591 unbindWorkspaceItemsOnMainThread(); 592 } 593 594 /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ 595 void unbindWorkspaceItemsOnMainThread() { 596 // Ensure that we don't use the same workspace items data structure on the main thread 597 // by making a copy of workspace items first. 598 final ArrayList<ItemInfo> tmpItems = new ArrayList<ItemInfo>(); 599 synchronized (sBgLock) { 600 tmpItems.addAll(sBgWorkspaceItems); 601 tmpItems.addAll(sBgAppWidgets); 602 } 603 Runnable r = new Runnable() { 604 @Override 605 public void run() { 606 for (ItemInfo item : tmpItems) { 607 item.unbind(); 608 } 609 } 610 }; 611 runOnMainThread(r); 612 } 613 614 /** 615 * Adds an item to the DB if it was not created previously, or move it to a new 616 * <container, screen, cellX, cellY> 617 */ 618 public static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 619 long screenId, int cellX, int cellY) { 620 if (item.container == ItemInfo.NO_ID) { 621 // From all apps 622 addItemToDatabase(context, item, container, screenId, cellX, cellY); 623 } else { 624 // From somewhere else 625 moveItemInDatabase(context, item, container, screenId, cellX, cellY); 626 } 627 } 628 629 static void checkItemInfoLocked( 630 final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) { 631 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 632 if (modelItem != null && item != modelItem) { 633 // check all the data is consistent 634 if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) { 635 ShortcutInfo modelShortcut = (ShortcutInfo) modelItem; 636 ShortcutInfo shortcut = (ShortcutInfo) item; 637 if (modelShortcut.title.toString().equals(shortcut.title.toString()) && 638 modelShortcut.intent.filterEquals(shortcut.intent) && 639 modelShortcut.id == shortcut.id && 640 modelShortcut.itemType == shortcut.itemType && 641 modelShortcut.container == shortcut.container && 642 modelShortcut.screenId == shortcut.screenId && 643 modelShortcut.cellX == shortcut.cellX && 644 modelShortcut.cellY == shortcut.cellY && 645 modelShortcut.spanX == shortcut.spanX && 646 modelShortcut.spanY == shortcut.spanY) { 647 // For all intents and purposes, this is the same object 648 return; 649 } 650 } 651 652 // the modelItem needs to match up perfectly with item if our model is 653 // to be consistent with the database-- for now, just require 654 // modelItem == item or the equality check above 655 String msg = "item: " + ((item != null) ? item.toString() : "null") + 656 "modelItem: " + 657 ((modelItem != null) ? modelItem.toString() : "null") + 658 "Error: ItemInfo passed to checkItemInfo doesn't match original"; 659 RuntimeException e = new RuntimeException(msg); 660 if (stackTrace != null) { 661 e.setStackTrace(stackTrace); 662 } 663 throw e; 664 } 665 } 666 667 static void checkItemInfo(final ItemInfo item) { 668 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 669 final long itemId = item.id; 670 Runnable r = new Runnable() { 671 public void run() { 672 synchronized (sBgLock) { 673 checkItemInfoLocked(itemId, item, stackTrace); 674 } 675 } 676 }; 677 runOnWorkerThread(r); 678 } 679 680 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 681 final ItemInfo item, final String callingFunction) { 682 final long itemId = item.id; 683 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); 684 final ContentResolver cr = context.getContentResolver(); 685 686 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 687 Runnable r = new Runnable() { 688 public void run() { 689 cr.update(uri, values, null, null); 690 updateItemArrays(item, itemId, stackTrace); 691 } 692 }; 693 runOnWorkerThread(r); 694 } 695 696 static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList, 697 final ArrayList<ItemInfo> items, final String callingFunction) { 698 final ContentResolver cr = context.getContentResolver(); 699 700 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 701 Runnable r = new Runnable() { 702 public void run() { 703 ArrayList<ContentProviderOperation> ops = 704 new ArrayList<ContentProviderOperation>(); 705 int count = items.size(); 706 for (int i = 0; i < count; i++) { 707 ItemInfo item = items.get(i); 708 final long itemId = item.id; 709 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); 710 ContentValues values = valuesList.get(i); 711 712 ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build()); 713 updateItemArrays(item, itemId, stackTrace); 714 715 } 716 try { 717 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 718 } catch (Exception e) { 719 e.printStackTrace(); 720 } 721 } 722 }; 723 runOnWorkerThread(r); 724 } 725 726 static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) { 727 // Lock on mBgLock *after* the db operation 728 synchronized (sBgLock) { 729 checkItemInfoLocked(itemId, item, stackTrace); 730 731 if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 732 item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 733 // Item is in a folder, make sure this folder exists 734 if (!sBgFolders.containsKey(item.container)) { 735 // An items container is being set to a that of an item which is not in 736 // the list of Folders. 737 String msg = "item: " + item + " container being set to: " + 738 item.container + ", not in the list of folders"; 739 Log.e(TAG, msg); 740 } 741 } 742 743 // Items are added/removed from the corresponding FolderInfo elsewhere, such 744 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 745 // that are on the desktop, as appropriate 746 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 747 if (modelItem != null && 748 (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 749 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { 750 switch (modelItem.itemType) { 751 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 752 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 753 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 754 if (!sBgWorkspaceItems.contains(modelItem)) { 755 sBgWorkspaceItems.add(modelItem); 756 } 757 break; 758 default: 759 break; 760 } 761 } else { 762 sBgWorkspaceItems.remove(modelItem); 763 } 764 } 765 } 766 767 /** 768 * Move an item in the DB to a new <container, screen, cellX, cellY> 769 */ 770 public static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 771 final long screenId, final int cellX, final int cellY) { 772 item.container = container; 773 item.cellX = cellX; 774 item.cellY = cellY; 775 776 // We store hotseat items in canonical form which is this orientation invariant position 777 // in the hotseat 778 if (context instanceof Launcher && screenId < 0 && 779 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 780 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 781 } else { 782 item.screenId = screenId; 783 } 784 785 final ContentValues values = new ContentValues(); 786 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 787 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 788 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 789 values.put(LauncherSettings.Favorites.RANK, item.rank); 790 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 791 792 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 793 } 794 795 /** 796 * Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the 797 * cellX, cellY have already been updated on the ItemInfos. 798 */ 799 public static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items, 800 final long container, final int screen) { 801 802 ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>(); 803 int count = items.size(); 804 805 for (int i = 0; i < count; i++) { 806 ItemInfo item = items.get(i); 807 item.container = container; 808 809 // We store hotseat items in canonical form which is this orientation invariant position 810 // in the hotseat 811 if (context instanceof Launcher && screen < 0 && 812 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 813 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX, 814 item.cellY); 815 } else { 816 item.screenId = screen; 817 } 818 819 final ContentValues values = new ContentValues(); 820 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 821 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 822 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 823 values.put(LauncherSettings.Favorites.RANK, item.rank); 824 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 825 826 contentValues.add(values); 827 } 828 updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase"); 829 } 830 831 /** 832 * Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY> 833 */ 834 static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, 835 final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) { 836 item.container = container; 837 item.cellX = cellX; 838 item.cellY = cellY; 839 item.spanX = spanX; 840 item.spanY = spanY; 841 842 // We store hotseat items in canonical form which is this orientation invariant position 843 // in the hotseat 844 if (context instanceof Launcher && screenId < 0 && 845 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 846 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 847 } else { 848 item.screenId = screenId; 849 } 850 851 final ContentValues values = new ContentValues(); 852 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 853 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 854 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 855 values.put(LauncherSettings.Favorites.RANK, item.rank); 856 values.put(LauncherSettings.Favorites.SPANX, item.spanX); 857 values.put(LauncherSettings.Favorites.SPANY, item.spanY); 858 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 859 860 updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); 861 } 862 863 /** 864 * Update an item to the database in a specified container. 865 */ 866 public static void updateItemInDatabase(Context context, final ItemInfo item) { 867 final ContentValues values = new ContentValues(); 868 item.onAddToDatabase(context, values); 869 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 870 } 871 872 private void assertWorkspaceLoaded() { 873 if (ProviderConfig.IS_DOGFOOD_BUILD) { 874 synchronized (mLock) { 875 if (!mHasLoaderCompletedOnce || 876 (mLoaderTask != null && mLoaderTask.mIsLoadingAndBindingWorkspace)) { 877 throw new RuntimeException("Trying to add shortcut while loader is running"); 878 } 879 } 880 } 881 } 882 883 /** 884 * Returns true if the shortcuts already exists on the workspace. This must be called after 885 * the workspace has been loaded. We identify a shortcut by its intent. 886 */ 887 @Thunk boolean shortcutExists(Context context, Intent intent, UserHandleCompat user) { 888 assertWorkspaceLoaded(); 889 final String intentWithPkg, intentWithoutPkg; 890 if (intent.getComponent() != null) { 891 // If component is not null, an intent with null package will produce 892 // the same result and should also be a match. 893 String packageName = intent.getComponent().getPackageName(); 894 if (intent.getPackage() != null) { 895 intentWithPkg = intent.toUri(0); 896 intentWithoutPkg = new Intent(intent).setPackage(null).toUri(0); 897 } else { 898 intentWithPkg = new Intent(intent).setPackage(packageName).toUri(0); 899 intentWithoutPkg = intent.toUri(0); 900 } 901 } else { 902 intentWithPkg = intent.toUri(0); 903 intentWithoutPkg = intent.toUri(0); 904 } 905 906 synchronized (sBgLock) { 907 for (ItemInfo item : sBgItemsIdMap) { 908 if (item instanceof ShortcutInfo) { 909 ShortcutInfo info = (ShortcutInfo) item; 910 Intent targetIntent = info.promisedIntent == null 911 ? info.intent : info.promisedIntent; 912 if (targetIntent != null && info.user.equals(user)) { 913 String s = targetIntent.toUri(0); 914 if (intentWithPkg.equals(s) || intentWithoutPkg.equals(s)) { 915 return true; 916 } 917 } 918 } 919 } 920 } 921 return false; 922 } 923 924 /** 925 * Add an item to the database in a specified container. Sets the container, screen, cellX and 926 * cellY fields of the item. Also assigns an ID to the item. 927 */ 928 public static void addItemToDatabase(Context context, final ItemInfo item, final long container, 929 final long screenId, final int cellX, final int cellY) { 930 item.container = container; 931 item.cellX = cellX; 932 item.cellY = cellY; 933 // We store hotseat items in canonical form which is this orientation invariant position 934 // in the hotseat 935 if (context instanceof Launcher && screenId < 0 && 936 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 937 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 938 } else { 939 item.screenId = screenId; 940 } 941 942 final ContentValues values = new ContentValues(); 943 final ContentResolver cr = context.getContentResolver(); 944 item.onAddToDatabase(context, values); 945 946 item.id = LauncherSettings.Settings.call(cr, LauncherSettings.Settings.METHOD_NEW_ITEM_ID) 947 .getLong(LauncherSettings.Settings.EXTRA_VALUE); 948 949 values.put(LauncherSettings.Favorites._ID, item.id); 950 951 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 952 Runnable r = new Runnable() { 953 public void run() { 954 cr.insert(LauncherSettings.Favorites.CONTENT_URI, values); 955 956 // Lock on mBgLock *after* the db operation 957 synchronized (sBgLock) { 958 checkItemInfoLocked(item.id, item, stackTrace); 959 sBgItemsIdMap.put(item.id, item); 960 switch (item.itemType) { 961 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 962 sBgFolders.put(item.id, (FolderInfo) item); 963 // Fall through 964 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 965 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 966 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 967 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 968 sBgWorkspaceItems.add(item); 969 } else { 970 if (!sBgFolders.containsKey(item.container)) { 971 // Adding an item to a folder that doesn't exist. 972 String msg = "adding item: " + item + " to a folder that " + 973 " doesn't exist"; 974 Log.e(TAG, msg); 975 } 976 } 977 break; 978 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 979 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 980 break; 981 } 982 } 983 } 984 }; 985 runOnWorkerThread(r); 986 } 987 988 private static ArrayList<ItemInfo> getItemsByPackageName( 989 final String pn, final UserHandleCompat user) { 990 ItemInfoFilter filter = new ItemInfoFilter() { 991 @Override 992 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 993 return cn.getPackageName().equals(pn) && info.user.equals(user); 994 } 995 }; 996 return filterItemInfos(sBgItemsIdMap, filter); 997 } 998 999 /** 1000 * Removes all the items from the database corresponding to the specified package. 1001 */ 1002 static void deletePackageFromDatabase(Context context, final String pn, 1003 final UserHandleCompat user) { 1004 deleteItemsFromDatabase(context, getItemsByPackageName(pn, user)); 1005 } 1006 1007 /** 1008 * Removes the specified item from the database 1009 */ 1010 public static void deleteItemFromDatabase(Context context, final ItemInfo item) { 1011 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 1012 items.add(item); 1013 deleteItemsFromDatabase(context, items); 1014 } 1015 1016 /** 1017 * Removes the specified items from the database 1018 */ 1019 static void deleteItemsFromDatabase(Context context, final ArrayList<? extends ItemInfo> items) { 1020 final ContentResolver cr = context.getContentResolver(); 1021 Runnable r = new Runnable() { 1022 public void run() { 1023 for (ItemInfo item : items) { 1024 final Uri uri = LauncherSettings.Favorites.getContentUri(item.id); 1025 cr.delete(uri, null, null); 1026 1027 // Lock on mBgLock *after* the db operation 1028 synchronized (sBgLock) { 1029 switch (item.itemType) { 1030 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1031 sBgFolders.remove(item.id); 1032 for (ItemInfo info: sBgItemsIdMap) { 1033 if (info.container == item.id) { 1034 // We are deleting a folder which still contains items that 1035 // think they are contained by that folder. 1036 String msg = "deleting a folder (" + item + ") which still " + 1037 "contains items (" + info + ")"; 1038 Log.e(TAG, msg); 1039 } 1040 } 1041 sBgWorkspaceItems.remove(item); 1042 break; 1043 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1044 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1045 sBgWorkspaceItems.remove(item); 1046 break; 1047 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1048 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 1049 break; 1050 } 1051 sBgItemsIdMap.remove(item.id); 1052 } 1053 } 1054 } 1055 }; 1056 runOnWorkerThread(r); 1057 } 1058 1059 /** 1060 * Update the order of the workspace screens in the database. The array list contains 1061 * a list of screen ids in the order that they should appear. 1062 */ 1063 public void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) { 1064 final ArrayList<Long> screensCopy = new ArrayList<Long>(screens); 1065 final ContentResolver cr = context.getContentResolver(); 1066 final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1067 1068 // Remove any negative screen ids -- these aren't persisted 1069 Iterator<Long> iter = screensCopy.iterator(); 1070 while (iter.hasNext()) { 1071 long id = iter.next(); 1072 if (id < 0) { 1073 iter.remove(); 1074 } 1075 } 1076 1077 Runnable r = new Runnable() { 1078 @Override 1079 public void run() { 1080 ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>(); 1081 // Clear the table 1082 ops.add(ContentProviderOperation.newDelete(uri).build()); 1083 int count = screensCopy.size(); 1084 for (int i = 0; i < count; i++) { 1085 ContentValues v = new ContentValues(); 1086 long screenId = screensCopy.get(i); 1087 v.put(LauncherSettings.WorkspaceScreens._ID, screenId); 1088 v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); 1089 ops.add(ContentProviderOperation.newInsert(uri).withValues(v).build()); 1090 } 1091 1092 try { 1093 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 1094 } catch (Exception ex) { 1095 throw new RuntimeException(ex); 1096 } 1097 1098 synchronized (sBgLock) { 1099 sBgWorkspaceScreens.clear(); 1100 sBgWorkspaceScreens.addAll(screensCopy); 1101 } 1102 } 1103 }; 1104 runOnWorkerThread(r); 1105 } 1106 1107 /** 1108 * Remove the specified folder and all its contents from the database. 1109 */ 1110 public static void deleteFolderAndContentsFromDatabase(Context context, final FolderInfo info) { 1111 final ContentResolver cr = context.getContentResolver(); 1112 1113 Runnable r = new Runnable() { 1114 public void run() { 1115 cr.delete(LauncherSettings.Favorites.getContentUri(info.id), null, null); 1116 // Lock on mBgLock *after* the db operation 1117 synchronized (sBgLock) { 1118 sBgItemsIdMap.remove(info.id); 1119 sBgFolders.remove(info.id); 1120 sBgWorkspaceItems.remove(info); 1121 } 1122 1123 cr.delete(LauncherSettings.Favorites.CONTENT_URI, 1124 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 1125 // Lock on mBgLock *after* the db operation 1126 synchronized (sBgLock) { 1127 for (ItemInfo childInfo : info.contents) { 1128 sBgItemsIdMap.remove(childInfo.id); 1129 } 1130 } 1131 } 1132 }; 1133 runOnWorkerThread(r); 1134 } 1135 1136 /** 1137 * Set this as the current Launcher activity object for the loader. 1138 */ 1139 public void initialize(Callbacks callbacks) { 1140 synchronized (mLock) { 1141 // Disconnect any of the callbacks and drawables associated with ItemInfos on the 1142 // workspace to prevent leaking Launcher activities on orientation change. 1143 unbindItemInfosAndClearQueuedBindRunnables(); 1144 mCallbacks = new WeakReference<Callbacks>(callbacks); 1145 } 1146 } 1147 1148 @Override 1149 public void onPackageChanged(String packageName, UserHandleCompat user) { 1150 int op = PackageUpdatedTask.OP_UPDATE; 1151 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1152 user)); 1153 } 1154 1155 @Override 1156 public void onPackageRemoved(String packageName, UserHandleCompat user) { 1157 int op = PackageUpdatedTask.OP_REMOVE; 1158 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1159 user)); 1160 } 1161 1162 @Override 1163 public void onPackageAdded(String packageName, UserHandleCompat user) { 1164 int op = PackageUpdatedTask.OP_ADD; 1165 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1166 user)); 1167 } 1168 1169 @Override 1170 public void onPackagesAvailable(String[] packageNames, UserHandleCompat user, 1171 boolean replacing) { 1172 if (!replacing) { 1173 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packageNames, 1174 user)); 1175 if (mAppsCanBeOnRemoveableStorage) { 1176 // Only rebind if we support removable storage. It catches the 1177 // case where 1178 // apps on the external sd card need to be reloaded 1179 startLoaderFromBackground(); 1180 } 1181 } else { 1182 // If we are replacing then just update the packages in the list 1183 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE, 1184 packageNames, user)); 1185 } 1186 } 1187 1188 @Override 1189 public void onPackagesUnavailable(String[] packageNames, UserHandleCompat user, 1190 boolean replacing) { 1191 if (!replacing) { 1192 enqueuePackageUpdated(new PackageUpdatedTask( 1193 PackageUpdatedTask.OP_UNAVAILABLE, packageNames, 1194 user)); 1195 } 1196 } 1197 1198 @Override 1199 public void onPackagesSuspended(String[] packageNames, UserHandleCompat user) { 1200 enqueuePackageUpdated(new PackageUpdatedTask( 1201 PackageUpdatedTask.OP_SUSPEND, packageNames, 1202 user)); 1203 } 1204 1205 @Override 1206 public void onPackagesUnsuspended(String[] packageNames, UserHandleCompat user) { 1207 enqueuePackageUpdated(new PackageUpdatedTask( 1208 PackageUpdatedTask.OP_UNSUSPEND, packageNames, 1209 user)); 1210 } 1211 1212 /** 1213 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 1214 * ACTION_PACKAGE_CHANGED. 1215 */ 1216 @Override 1217 public void onReceive(Context context, Intent intent) { 1218 if (DEBUG_RECEIVER) Log.d(TAG, "onReceive intent=" + intent); 1219 1220 final String action = intent.getAction(); 1221 if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 1222 // If we have changed locale we need to clear out the labels in all apps/workspace. 1223 forceReload(); 1224 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action)) { 1225 Callbacks callbacks = getCallback(); 1226 if (callbacks != null) { 1227 callbacks.bindSearchProviderChanged(); 1228 } 1229 } else if (LauncherAppsCompat.ACTION_MANAGED_PROFILE_ADDED.equals(action) 1230 || LauncherAppsCompat.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) { 1231 UserManagerCompat.getInstance(context).enableAndResetCache(); 1232 forceReload(); 1233 } else if (LauncherAppsCompat.ACTION_MANAGED_PROFILE_AVAILABILITY_CHANGED.equals(action)) { 1234 UserHandleCompat user = UserHandleCompat.fromIntent(intent); 1235 if (user != null) { 1236 enqueuePackageUpdated(new PackageUpdatedTask( 1237 PackageUpdatedTask.OP_USER_AVAILABILITY_CHANGE, 1238 new String[0], user)); 1239 } 1240 } 1241 } 1242 1243 void forceReload() { 1244 resetLoadedState(true, true); 1245 1246 // Do this here because if the launcher activity is running it will be restarted. 1247 // If it's not running startLoaderFromBackground will merely tell it that it needs 1248 // to reload. 1249 startLoaderFromBackground(); 1250 } 1251 1252 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 1253 synchronized (mLock) { 1254 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 1255 // mWorkspaceLoaded to true later 1256 stopLoaderLocked(); 1257 if (resetAllAppsLoaded) mAllAppsLoaded = false; 1258 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 1259 } 1260 } 1261 1262 /** 1263 * When the launcher is in the background, it's possible for it to miss paired 1264 * configuration changes. So whenever we trigger the loader from the background 1265 * tell the launcher that it needs to re-run the loader when it comes back instead 1266 * of doing it now. 1267 */ 1268 public void startLoaderFromBackground() { 1269 boolean runLoader = false; 1270 Callbacks callbacks = getCallback(); 1271 if (callbacks != null) { 1272 // Only actually run the loader if they're not paused. 1273 if (!callbacks.setLoadOnResume()) { 1274 runLoader = true; 1275 } 1276 } 1277 if (runLoader) { 1278 startLoader(PagedView.INVALID_RESTORE_PAGE); 1279 } 1280 } 1281 1282 /** 1283 * If there is already a loader task running, tell it to stop. 1284 */ 1285 private void stopLoaderLocked() { 1286 LoaderTask oldTask = mLoaderTask; 1287 if (oldTask != null) { 1288 oldTask.stopLocked(); 1289 } 1290 } 1291 1292 public boolean isCurrentCallbacks(Callbacks callbacks) { 1293 return (mCallbacks != null && mCallbacks.get() == callbacks); 1294 } 1295 1296 public void startLoader(int synchronousBindPage) { 1297 startLoader(synchronousBindPage, LOADER_FLAG_NONE); 1298 } 1299 1300 public void startLoader(int synchronousBindPage, int loadFlags) { 1301 // Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems 1302 InstallShortcutReceiver.enableInstallQueue(); 1303 synchronized (mLock) { 1304 // Don't bother to start the thread if we know it's not going to do anything 1305 if (mCallbacks != null && mCallbacks.get() != null) { 1306 final Callbacks oldCallbacks = mCallbacks.get(); 1307 // Clear any pending bind-runnables from the synchronized load process. 1308 runOnMainThread(new Runnable() { 1309 public void run() { 1310 oldCallbacks.clearPendingBinds(); 1311 } 1312 }); 1313 1314 // If there is already one running, tell it to stop. 1315 stopLoaderLocked(); 1316 mLoaderTask = new LoaderTask(mApp.getContext(), loadFlags); 1317 if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE 1318 && mAllAppsLoaded && mWorkspaceLoaded && !mIsLoaderTaskRunning) { 1319 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 1320 } else { 1321 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 1322 sWorker.post(mLoaderTask); 1323 } 1324 } 1325 } 1326 } 1327 1328 public void stopLoader() { 1329 synchronized (mLock) { 1330 if (mLoaderTask != null) { 1331 mLoaderTask.stopLocked(); 1332 } 1333 } 1334 } 1335 1336 /** 1337 * Loads the workspace screen ids in an ordered list. 1338 */ 1339 public static ArrayList<Long> loadWorkspaceScreensDb(Context context) { 1340 final ContentResolver contentResolver = context.getContentResolver(); 1341 final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1342 1343 // Get screens ordered by rank. 1344 final Cursor sc = contentResolver.query(screensUri, null, null, null, 1345 LauncherSettings.WorkspaceScreens.SCREEN_RANK); 1346 ArrayList<Long> screenIds = new ArrayList<Long>(); 1347 try { 1348 final int idIndex = sc.getColumnIndexOrThrow(LauncherSettings.WorkspaceScreens._ID); 1349 while (sc.moveToNext()) { 1350 try { 1351 screenIds.add(sc.getLong(idIndex)); 1352 } catch (Exception e) { 1353 addDumpLog("Invalid screen id: " + e); 1354 } 1355 } 1356 } finally { 1357 sc.close(); 1358 } 1359 return screenIds; 1360 } 1361 1362 /** 1363 * Runnable for the thread that loads the contents of the launcher: 1364 * - workspace icons 1365 * - widgets 1366 * - all apps icons 1367 */ 1368 private class LoaderTask implements Runnable { 1369 private Context mContext; 1370 @Thunk boolean mIsLoadingAndBindingWorkspace; 1371 private boolean mStopped; 1372 @Thunk boolean mLoadAndBindStepFinished; 1373 private int mFlags; 1374 1375 LoaderTask(Context context, int flags) { 1376 mContext = context; 1377 mFlags = flags; 1378 } 1379 1380 private void loadAndBindWorkspace() { 1381 mIsLoadingAndBindingWorkspace = true; 1382 1383 // Load the workspace 1384 if (DEBUG_LOADERS) { 1385 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 1386 } 1387 1388 if (!mWorkspaceLoaded) { 1389 loadWorkspace(); 1390 synchronized (LoaderTask.this) { 1391 if (mStopped) { 1392 return; 1393 } 1394 mWorkspaceLoaded = true; 1395 } 1396 } 1397 1398 // Bind the workspace 1399 bindWorkspace(-1); 1400 } 1401 1402 private void waitForIdle() { 1403 // Wait until the either we're stopped or the other threads are done. 1404 // This way we don't start loading all apps until the workspace has settled 1405 // down. 1406 synchronized (LoaderTask.this) { 1407 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1408 1409 mHandler.postIdle(new Runnable() { 1410 public void run() { 1411 synchronized (LoaderTask.this) { 1412 mLoadAndBindStepFinished = true; 1413 if (DEBUG_LOADERS) { 1414 Log.d(TAG, "done with previous binding step"); 1415 } 1416 LoaderTask.this.notify(); 1417 } 1418 } 1419 }); 1420 1421 while (!mStopped && !mLoadAndBindStepFinished) { 1422 try { 1423 // Just in case mFlushingWorkerThread changes but we aren't woken up, 1424 // wait no longer than 1sec at a time 1425 this.wait(1000); 1426 } catch (InterruptedException ex) { 1427 // Ignore 1428 } 1429 } 1430 if (DEBUG_LOADERS) { 1431 Log.d(TAG, "waited " 1432 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1433 + "ms for previous step to finish binding"); 1434 } 1435 } 1436 } 1437 1438 void runBindSynchronousPage(int synchronousBindPage) { 1439 if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) { 1440 // Ensure that we have a valid page index to load synchronously 1441 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1442 "valid page index"); 1443 } 1444 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1445 // Ensure that we don't try and bind a specified page when the pages have not been 1446 // loaded already (we should load everything asynchronously in that case) 1447 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1448 } 1449 synchronized (mLock) { 1450 if (mIsLoaderTaskRunning) { 1451 // Ensure that we are never running the background loading at this point since 1452 // we also touch the background collections 1453 throw new RuntimeException("Error! Background loading is already running"); 1454 } 1455 } 1456 1457 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1458 // data structures, we can't allow any other thread to touch that data, but because 1459 // this call is synchronous, we can get away with not locking). 1460 1461 // The LauncherModel is static in the LauncherAppState and mHandler may have queued 1462 // operations from the previous activity. We need to ensure that all queued operations 1463 // are executed before any synchronous binding work is done. 1464 mHandler.flush(); 1465 1466 // Divide the set of loaded items into those that we are binding synchronously, and 1467 // everything else that is to be bound normally (asynchronously). 1468 bindWorkspace(synchronousBindPage); 1469 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1470 // arise from that. 1471 onlyBindAllApps(); 1472 } 1473 1474 public void run() { 1475 synchronized (mLock) { 1476 if (mStopped) { 1477 return; 1478 } 1479 mIsLoaderTaskRunning = true; 1480 } 1481 // Optimize for end-user experience: if the Launcher is up and // running with the 1482 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1483 // workspace first (default). 1484 keep_running: { 1485 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1486 loadAndBindWorkspace(); 1487 1488 if (mStopped) { 1489 break keep_running; 1490 } 1491 1492 waitForIdle(); 1493 1494 // second step 1495 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1496 loadAndBindAllApps(); 1497 } 1498 1499 // Clear out this reference, otherwise we end up holding it until all of the 1500 // callback runnables are done. 1501 mContext = null; 1502 1503 synchronized (mLock) { 1504 // If we are still the last one to be scheduled, remove ourselves. 1505 if (mLoaderTask == this) { 1506 mLoaderTask = null; 1507 } 1508 mIsLoaderTaskRunning = false; 1509 mHasLoaderCompletedOnce = true; 1510 } 1511 } 1512 1513 public void stopLocked() { 1514 synchronized (LoaderTask.this) { 1515 mStopped = true; 1516 this.notify(); 1517 } 1518 } 1519 1520 /** 1521 * Gets the callbacks object. If we've been stopped, or if the launcher object 1522 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1523 * object that was around when the deferred message was scheduled, and if there's 1524 * a new Callbacks object around then also return null. This will save us from 1525 * calling onto it with data that will be ignored. 1526 */ 1527 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1528 synchronized (mLock) { 1529 if (mStopped) { 1530 return null; 1531 } 1532 1533 if (mCallbacks == null) { 1534 return null; 1535 } 1536 1537 final Callbacks callbacks = mCallbacks.get(); 1538 if (callbacks != oldCallbacks) { 1539 return null; 1540 } 1541 if (callbacks == null) { 1542 Log.w(TAG, "no mCallbacks"); 1543 return null; 1544 } 1545 1546 return callbacks; 1547 } 1548 } 1549 1550 // check & update map of what's occupied; used to discard overlapping/invalid items 1551 private boolean checkItemPlacement(LongArrayMap<ItemInfo[][]> occupied, ItemInfo item, 1552 ArrayList<Long> workspaceScreens) { 1553 LauncherAppState app = LauncherAppState.getInstance(); 1554 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 1555 final int countX = profile.numColumns; 1556 final int countY = profile.numRows; 1557 1558 long containerIndex = item.screenId; 1559 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1560 // Return early if we detect that an item is under the hotseat button 1561 if (mCallbacks == null || 1562 mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) { 1563 Log.e(TAG, "Error loading shortcut into hotseat " + item 1564 + " into position (" + item.screenId + ":" + item.cellX + "," 1565 + item.cellY + ") occupied by all apps"); 1566 return false; 1567 } 1568 1569 final ItemInfo[][] hotseatItems = 1570 occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT); 1571 1572 if (item.screenId >= profile.numHotseatIcons) { 1573 Log.e(TAG, "Error loading shortcut " + item 1574 + " into hotseat position " + item.screenId 1575 + ", position out of bounds: (0 to " + (profile.numHotseatIcons - 1) 1576 + ")"); 1577 return false; 1578 } 1579 1580 if (hotseatItems != null) { 1581 if (hotseatItems[(int) item.screenId][0] != null) { 1582 Log.e(TAG, "Error loading shortcut into hotseat " + item 1583 + " into position (" + item.screenId + ":" + item.cellX + "," 1584 + item.cellY + ") occupied by " 1585 + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1586 [(int) item.screenId][0]); 1587 return false; 1588 } else { 1589 hotseatItems[(int) item.screenId][0] = item; 1590 return true; 1591 } 1592 } else { 1593 final ItemInfo[][] items = new ItemInfo[(int) profile.numHotseatIcons][1]; 1594 items[(int) item.screenId][0] = item; 1595 occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); 1596 return true; 1597 } 1598 } else if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1599 if (!workspaceScreens.contains((Long) item.screenId)) { 1600 // The item has an invalid screen id. 1601 return false; 1602 } 1603 } else { 1604 // Skip further checking if it is not the hotseat or workspace container 1605 return true; 1606 } 1607 1608 if (!occupied.containsKey(item.screenId)) { 1609 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1610 occupied.put(item.screenId, items); 1611 } 1612 1613 final ItemInfo[][] screens = occupied.get(item.screenId); 1614 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1615 item.cellX < 0 || item.cellY < 0 || 1616 item.cellX + item.spanX > countX || item.cellY + item.spanY > countY) { 1617 Log.e(TAG, "Error loading shortcut " + item 1618 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1619 + item.cellX + "," + item.cellY 1620 + ") out of screen bounds ( " + countX + "x" + countY + ")"); 1621 return false; 1622 } 1623 1624 // Check if any workspace icons overlap with each other 1625 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1626 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1627 if (screens[x][y] != null) { 1628 Log.e(TAG, "Error loading shortcut " + item 1629 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1630 + x + "," + y 1631 + ") occupied by " 1632 + screens[x][y]); 1633 return false; 1634 } 1635 } 1636 } 1637 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1638 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1639 screens[x][y] = item; 1640 } 1641 } 1642 1643 return true; 1644 } 1645 1646 /** Clears all the sBg data structures */ 1647 private void clearSBgDataStructures() { 1648 synchronized (sBgLock) { 1649 sBgWorkspaceItems.clear(); 1650 sBgAppWidgets.clear(); 1651 sBgFolders.clear(); 1652 sBgItemsIdMap.clear(); 1653 sBgWorkspaceScreens.clear(); 1654 } 1655 } 1656 1657 private void loadWorkspace() { 1658 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1659 1660 final Context context = mContext; 1661 final ContentResolver contentResolver = context.getContentResolver(); 1662 final PackageManager manager = context.getPackageManager(); 1663 final boolean isSafeMode = manager.isSafeMode(); 1664 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 1665 final boolean isSdCardReady = Utilities.isBootCompleted(); 1666 1667 LauncherAppState app = LauncherAppState.getInstance(); 1668 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 1669 int countX = profile.numColumns; 1670 int countY = profile.numRows; 1671 1672 if (GridSizeMigrationTask.ENABLED && 1673 !GridSizeMigrationTask.migrateGridIfNeeded(mContext)) { 1674 // Migration failed. Clear workspace. 1675 mFlags = mFlags | LOADER_FLAG_CLEAR_WORKSPACE; 1676 } 1677 1678 if ((mFlags & LOADER_FLAG_CLEAR_WORKSPACE) != 0) { 1679 Log.d(TAG, "loadWorkspace: resetting launcher database"); 1680 LauncherSettings.Settings.call(contentResolver, 1681 LauncherSettings.Settings.METHOD_DELETE_DB); 1682 } 1683 1684 if ((mFlags & LOADER_FLAG_MIGRATE_SHORTCUTS) != 0) { 1685 // append the user's Launcher2 shortcuts 1686 Log.d(TAG, "loadWorkspace: migrating from launcher2"); 1687 LauncherSettings.Settings.call(contentResolver, 1688 LauncherSettings.Settings.METHOD_MIGRATE_LAUNCHER2_SHORTCUTS); 1689 } else { 1690 // Make sure the default workspace is loaded 1691 Log.d(TAG, "loadWorkspace: loading default favorites"); 1692 LauncherSettings.Settings.call(contentResolver, 1693 LauncherSettings.Settings.METHOD_LOAD_DEFAULT_FAVORITES); 1694 } 1695 1696 synchronized (sBgLock) { 1697 clearSBgDataStructures(); 1698 final HashMap<String, Integer> installingPkgs = PackageInstallerCompat 1699 .getInstance(mContext).updateAndGetActiveSessionCache(); 1700 sBgWorkspaceScreens.addAll(loadWorkspaceScreensDb(mContext)); 1701 1702 final ArrayList<Long> itemsToRemove = new ArrayList<>(); 1703 final ArrayList<Long> restoredRows = new ArrayList<>(); 1704 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; 1705 if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri); 1706 final Cursor c = contentResolver.query(contentUri, null, null, null, null); 1707 1708 // +1 for the hotseat (it can be larger than the workspace) 1709 // Load workspace in reverse order to ensure that latest items are loaded first (and 1710 // before any earlier duplicates) 1711 final LongArrayMap<ItemInfo[][]> occupied = new LongArrayMap<>(); 1712 HashMap<ComponentKey, AppWidgetProviderInfo> widgetProvidersMap = null; 1713 1714 try { 1715 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1716 final int intentIndex = c.getColumnIndexOrThrow 1717 (LauncherSettings.Favorites.INTENT); 1718 final int titleIndex = c.getColumnIndexOrThrow 1719 (LauncherSettings.Favorites.TITLE); 1720 final int containerIndex = c.getColumnIndexOrThrow( 1721 LauncherSettings.Favorites.CONTAINER); 1722 final int itemTypeIndex = c.getColumnIndexOrThrow( 1723 LauncherSettings.Favorites.ITEM_TYPE); 1724 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1725 LauncherSettings.Favorites.APPWIDGET_ID); 1726 final int appWidgetProviderIndex = c.getColumnIndexOrThrow( 1727 LauncherSettings.Favorites.APPWIDGET_PROVIDER); 1728 final int screenIndex = c.getColumnIndexOrThrow( 1729 LauncherSettings.Favorites.SCREEN); 1730 final int cellXIndex = c.getColumnIndexOrThrow 1731 (LauncherSettings.Favorites.CELLX); 1732 final int cellYIndex = c.getColumnIndexOrThrow 1733 (LauncherSettings.Favorites.CELLY); 1734 final int spanXIndex = c.getColumnIndexOrThrow 1735 (LauncherSettings.Favorites.SPANX); 1736 final int spanYIndex = c.getColumnIndexOrThrow( 1737 LauncherSettings.Favorites.SPANY); 1738 final int rankIndex = c.getColumnIndexOrThrow( 1739 LauncherSettings.Favorites.RANK); 1740 final int restoredIndex = c.getColumnIndexOrThrow( 1741 LauncherSettings.Favorites.RESTORED); 1742 final int profileIdIndex = c.getColumnIndexOrThrow( 1743 LauncherSettings.Favorites.PROFILE_ID); 1744 final int optionsIndex = c.getColumnIndexOrThrow( 1745 LauncherSettings.Favorites.OPTIONS); 1746 final CursorIconInfo cursorIconInfo = new CursorIconInfo(c); 1747 1748 final LongSparseArray<UserHandleCompat> allUsers = new LongSparseArray<>(); 1749 final LongSparseArray<Boolean> quietMode = new LongSparseArray<>(); 1750 for (UserHandleCompat user : mUserManager.getUserProfiles()) { 1751 long serialNo = mUserManager.getSerialNumberForUser(user); 1752 allUsers.put(serialNo, user); 1753 quietMode.put(serialNo, mUserManager.isQuietModeEnabled(user)); 1754 } 1755 1756 ShortcutInfo info; 1757 String intentDescription; 1758 LauncherAppWidgetInfo appWidgetInfo; 1759 int container; 1760 long id; 1761 long serialNumber; 1762 Intent intent; 1763 UserHandleCompat user; 1764 1765 while (!mStopped && c.moveToNext()) { 1766 try { 1767 int itemType = c.getInt(itemTypeIndex); 1768 boolean restored = 0 != c.getInt(restoredIndex); 1769 boolean allowMissingTarget = false; 1770 container = c.getInt(containerIndex); 1771 1772 switch (itemType) { 1773 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1774 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1775 id = c.getLong(idIndex); 1776 intentDescription = c.getString(intentIndex); 1777 serialNumber = c.getInt(profileIdIndex); 1778 user = allUsers.get(serialNumber); 1779 int promiseType = c.getInt(restoredIndex); 1780 int disabledState = 0; 1781 boolean itemReplaced = false; 1782 if (user == null) { 1783 // User has been deleted remove the item. 1784 itemsToRemove.add(id); 1785 continue; 1786 } 1787 try { 1788 intent = Intent.parseUri(intentDescription, 0); 1789 ComponentName cn = intent.getComponent(); 1790 if (cn != null && cn.getPackageName() != null) { 1791 boolean validPkg = launcherApps.isPackageEnabledForProfile( 1792 cn.getPackageName(), user); 1793 boolean validComponent = validPkg && 1794 launcherApps.isActivityEnabledForProfile(cn, user); 1795 1796 if (validComponent) { 1797 if (restored) { 1798 // no special handling necessary for this item 1799 restoredRows.add(id); 1800 restored = false; 1801 } 1802 boolean isSuspended = launcherApps.isPackageSuspendedForProfile( 1803 cn.getPackageName(), user); 1804 if (isSuspended) { 1805 disabledState = ShortcutInfo.FLAG_DISABLED_SUSPENDED; 1806 } 1807 if (quietMode.get(serialNumber)) { 1808 disabledState |= ShortcutInfo.FLAG_DISABLED_QUIET_USER; 1809 } 1810 } else if (validPkg) { 1811 intent = null; 1812 if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { 1813 // We allow auto install apps to have their intent 1814 // updated after an install. 1815 intent = manager.getLaunchIntentForPackage( 1816 cn.getPackageName()); 1817 if (intent != null) { 1818 ContentValues values = new ContentValues(); 1819 values.put(LauncherSettings.Favorites.INTENT, 1820 intent.toUri(0)); 1821 updateItem(id, values); 1822 } 1823 } 1824 1825 if (intent == null) { 1826 // The app is installed but the component is no 1827 // longer available. 1828 addDumpLog("Invalid component removed: " + cn); 1829 itemsToRemove.add(id); 1830 continue; 1831 } else { 1832 // no special handling necessary for this item 1833 restoredRows.add(id); 1834 restored = false; 1835 } 1836 } else if (restored) { 1837 // Package is not yet available but might be 1838 // installed later. 1839 addDumpLog("package not yet restored: " + cn); 1840 1841 if ((promiseType & ShortcutInfo.FLAG_RESTORE_STARTED) != 0) { 1842 // Restore has started once. 1843 } else if (installingPkgs.containsKey(cn.getPackageName())) { 1844 // App restore has started. Update the flag 1845 promiseType |= ShortcutInfo.FLAG_RESTORE_STARTED; 1846 ContentValues values = new ContentValues(); 1847 values.put(LauncherSettings.Favorites.RESTORED, 1848 promiseType); 1849 updateItem(id, values); 1850 } else if ((promiseType & ShortcutInfo.FLAG_RESTORED_APP_TYPE) != 0) { 1851 // This is a common app. Try to replace this. 1852 int appType = CommonAppTypeParser.decodeItemTypeFromFlag(promiseType); 1853 CommonAppTypeParser parser = new CommonAppTypeParser(id, appType, context); 1854 if (parser.findDefaultApp()) { 1855 // Default app found. Replace it. 1856 intent = parser.parsedIntent; 1857 cn = intent.getComponent(); 1858 ContentValues values = parser.parsedValues; 1859 values.put(LauncherSettings.Favorites.RESTORED, 0); 1860 updateItem(id, values); 1861 restored = false; 1862 itemReplaced = true; 1863 1864 } else if (REMOVE_UNRESTORED_ICONS) { 1865 addDumpLog("Unrestored package removed: " + cn); 1866 itemsToRemove.add(id); 1867 continue; 1868 } 1869 } else if (REMOVE_UNRESTORED_ICONS) { 1870 addDumpLog("Unrestored package removed: " + cn); 1871 itemsToRemove.add(id); 1872 continue; 1873 } 1874 } else if (launcherApps.isAppEnabled( 1875 manager, cn.getPackageName(), 1876 PackageManager.GET_UNINSTALLED_PACKAGES)) { 1877 // Package is present but not available. 1878 allowMissingTarget = true; 1879 disabledState = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 1880 } else if (!isSdCardReady) { 1881 // SdCard is not ready yet. Package might get available, 1882 // once it is ready. 1883 Log.d(TAG, "Invalid package: " + cn + " (check again later)"); 1884 HashSet<String> pkgs = sPendingPackages.get(user); 1885 if (pkgs == null) { 1886 pkgs = new HashSet<String>(); 1887 sPendingPackages.put(user, pkgs); 1888 } 1889 pkgs.add(cn.getPackageName()); 1890 allowMissingTarget = true; 1891 // Add the icon on the workspace anyway. 1892 1893 } else { 1894 // Do not wait for external media load anymore. 1895 // Log the invalid package, and remove it 1896 addDumpLog("Invalid package removed: " + cn); 1897 itemsToRemove.add(id); 1898 continue; 1899 } 1900 } else if (cn == null) { 1901 // For shortcuts with no component, keep them as they are 1902 restoredRows.add(id); 1903 restored = false; 1904 } 1905 } catch (URISyntaxException e) { 1906 addDumpLog("Invalid uri: " + intentDescription); 1907 itemsToRemove.add(id); 1908 continue; 1909 } 1910 1911 boolean useLowResIcon = container >= 0 && 1912 c.getInt(rankIndex) >= FolderIcon.NUM_ITEMS_IN_PREVIEW; 1913 1914 if (itemReplaced) { 1915 if (user.equals(UserHandleCompat.myUserHandle())) { 1916 info = getAppShortcutInfo(manager, intent, user, context, null, 1917 cursorIconInfo.iconIndex, titleIndex, 1918 false, useLowResIcon); 1919 } else { 1920 // Don't replace items for other profiles. 1921 itemsToRemove.add(id); 1922 continue; 1923 } 1924 } else if (restored) { 1925 if (user.equals(UserHandleCompat.myUserHandle())) { 1926 info = getRestoredItemInfo(c, titleIndex, intent, 1927 promiseType, itemType, cursorIconInfo, context); 1928 intent = getRestoredItemIntent(c, context, intent); 1929 } else { 1930 // Don't restore items for other profiles. 1931 itemsToRemove.add(id); 1932 continue; 1933 } 1934 } else if (itemType == 1935 LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 1936 info = getAppShortcutInfo(manager, intent, user, context, c, 1937 cursorIconInfo.iconIndex, titleIndex, 1938 allowMissingTarget, useLowResIcon); 1939 } else { 1940 info = getShortcutInfo(c, context, titleIndex, cursorIconInfo); 1941 1942 // App shortcuts that used to be automatically added to Launcher 1943 // didn't always have the correct intent flags set, so do that 1944 // here 1945 if (intent.getAction() != null && 1946 intent.getCategories() != null && 1947 intent.getAction().equals(Intent.ACTION_MAIN) && 1948 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 1949 intent.addFlags( 1950 Intent.FLAG_ACTIVITY_NEW_TASK | 1951 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1952 } 1953 } 1954 1955 if (info != null) { 1956 info.id = id; 1957 info.intent = intent; 1958 info.container = container; 1959 info.screenId = c.getInt(screenIndex); 1960 info.cellX = c.getInt(cellXIndex); 1961 info.cellY = c.getInt(cellYIndex); 1962 info.rank = c.getInt(rankIndex); 1963 info.spanX = 1; 1964 info.spanY = 1; 1965 info.intent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 1966 if (info.promisedIntent != null) { 1967 info.promisedIntent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 1968 } 1969 info.isDisabled = disabledState; 1970 if (isSafeMode && !Utilities.isSystemApp(context, intent)) { 1971 info.isDisabled |= ShortcutInfo.FLAG_DISABLED_SAFEMODE; 1972 } 1973 1974 // check & update map of what's occupied 1975 if (!checkItemPlacement(occupied, info, sBgWorkspaceScreens)) { 1976 itemsToRemove.add(id); 1977 break; 1978 } 1979 1980 if (restored) { 1981 ComponentName cn = info.getTargetComponent(); 1982 if (cn != null) { 1983 Integer progress = installingPkgs.get(cn.getPackageName()); 1984 if (progress != null) { 1985 info.setInstallProgress(progress); 1986 } else { 1987 info.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; 1988 } 1989 } 1990 } 1991 1992 switch (container) { 1993 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1994 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1995 sBgWorkspaceItems.add(info); 1996 break; 1997 default: 1998 // Item is in a user folder 1999 FolderInfo folderInfo = 2000 findOrMakeFolder(sBgFolders, container); 2001 folderInfo.add(info); 2002 break; 2003 } 2004 sBgItemsIdMap.put(info.id, info); 2005 } else { 2006 throw new RuntimeException("Unexpected null ShortcutInfo"); 2007 } 2008 break; 2009 2010 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 2011 id = c.getLong(idIndex); 2012 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 2013 2014 // Do not trim the folder label, as is was set by the user. 2015 folderInfo.title = c.getString(titleIndex); 2016 folderInfo.id = id; 2017 folderInfo.container = container; 2018 folderInfo.screenId = c.getInt(screenIndex); 2019 folderInfo.cellX = c.getInt(cellXIndex); 2020 folderInfo.cellY = c.getInt(cellYIndex); 2021 folderInfo.spanX = 1; 2022 folderInfo.spanY = 1; 2023 folderInfo.options = c.getInt(optionsIndex); 2024 2025 // check & update map of what's occupied 2026 if (!checkItemPlacement(occupied, folderInfo, sBgWorkspaceScreens)) { 2027 itemsToRemove.add(id); 2028 break; 2029 } 2030 2031 switch (container) { 2032 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 2033 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 2034 sBgWorkspaceItems.add(folderInfo); 2035 break; 2036 } 2037 2038 if (restored) { 2039 // no special handling required for restored folders 2040 restoredRows.add(id); 2041 } 2042 2043 sBgItemsIdMap.put(folderInfo.id, folderInfo); 2044 sBgFolders.put(folderInfo.id, folderInfo); 2045 break; 2046 2047 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 2048 case LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET: 2049 // Read all Launcher-specific widget details 2050 boolean customWidget = itemType == 2051 LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET; 2052 2053 int appWidgetId = c.getInt(appWidgetIdIndex); 2054 serialNumber = c.getLong(profileIdIndex); 2055 String savedProvider = c.getString(appWidgetProviderIndex); 2056 id = c.getLong(idIndex); 2057 user = allUsers.get(serialNumber); 2058 if (user == null) { 2059 itemsToRemove.add(id); 2060 continue; 2061 } 2062 2063 final ComponentName component = 2064 ComponentName.unflattenFromString(savedProvider); 2065 2066 final int restoreStatus = c.getInt(restoredIndex); 2067 final boolean isIdValid = (restoreStatus & 2068 LauncherAppWidgetInfo.FLAG_ID_NOT_VALID) == 0; 2069 final boolean wasProviderReady = (restoreStatus & 2070 LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0; 2071 2072 if (widgetProvidersMap == null) { 2073 widgetProvidersMap = AppWidgetManagerCompat 2074 .getInstance(mContext).getAllProvidersMap(); 2075 } 2076 final AppWidgetProviderInfo provider = widgetProvidersMap.get( 2077 new ComponentKey( 2078 ComponentName.unflattenFromString(savedProvider), 2079 user)); 2080 2081 final boolean isProviderReady = isValidProvider(provider); 2082 if (!isSafeMode && !customWidget && 2083 wasProviderReady && !isProviderReady) { 2084 addDumpLog("Deleting widget that isn't installed anymore: " 2085 + provider); 2086 itemsToRemove.add(id); 2087 } else { 2088 if (isProviderReady) { 2089 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2090 provider.provider); 2091 2092 // The provider is available. So the widget is either 2093 // available or not available. We do not need to track 2094 // any future restore updates. 2095 int status = restoreStatus & 2096 ~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 2097 if (!wasProviderReady) { 2098 // If provider was not previously ready, update the 2099 // status and UI flag. 2100 2101 // Id would be valid only if the widget restore broadcast was received. 2102 if (isIdValid) { 2103 status = LauncherAppWidgetInfo.FLAG_UI_NOT_READY; 2104 } else { 2105 status &= ~LauncherAppWidgetInfo 2106 .FLAG_PROVIDER_NOT_READY; 2107 } 2108 } 2109 appWidgetInfo.restoreStatus = status; 2110 } else { 2111 Log.v(TAG, "Widget restore pending id=" + id 2112 + " appWidgetId=" + appWidgetId 2113 + " status =" + restoreStatus); 2114 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2115 component); 2116 appWidgetInfo.restoreStatus = restoreStatus; 2117 Integer installProgress = installingPkgs.get(component.getPackageName()); 2118 2119 if ((restoreStatus & LauncherAppWidgetInfo.FLAG_RESTORE_STARTED) != 0) { 2120 // Restore has started once. 2121 } else if (installProgress != null) { 2122 // App restore has started. Update the flag 2123 appWidgetInfo.restoreStatus |= 2124 LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 2125 } else if (REMOVE_UNRESTORED_ICONS && !isSafeMode) { 2126 addDumpLog("Unrestored widget removed: " + component); 2127 itemsToRemove.add(id); 2128 continue; 2129 } 2130 2131 appWidgetInfo.installProgress = 2132 installProgress == null ? 0 : installProgress; 2133 } 2134 2135 appWidgetInfo.id = id; 2136 appWidgetInfo.screenId = c.getInt(screenIndex); 2137 appWidgetInfo.cellX = c.getInt(cellXIndex); 2138 appWidgetInfo.cellY = c.getInt(cellYIndex); 2139 appWidgetInfo.spanX = c.getInt(spanXIndex); 2140 appWidgetInfo.spanY = c.getInt(spanYIndex); 2141 appWidgetInfo.user = user; 2142 2143 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 2144 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2145 Log.e(TAG, "Widget found where container != " + 2146 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 2147 itemsToRemove.add(id); 2148 continue; 2149 } 2150 2151 appWidgetInfo.container = container; 2152 // check & update map of what's occupied 2153 if (!checkItemPlacement(occupied, appWidgetInfo, sBgWorkspaceScreens)) { 2154 itemsToRemove.add(id); 2155 break; 2156 } 2157 2158 if (!customWidget) { 2159 String providerName = 2160 appWidgetInfo.providerName.flattenToString(); 2161 if (!providerName.equals(savedProvider) || 2162 (appWidgetInfo.restoreStatus != restoreStatus)) { 2163 ContentValues values = new ContentValues(); 2164 values.put( 2165 LauncherSettings.Favorites.APPWIDGET_PROVIDER, 2166 providerName); 2167 values.put(LauncherSettings.Favorites.RESTORED, 2168 appWidgetInfo.restoreStatus); 2169 updateItem(id, values); 2170 } 2171 } 2172 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 2173 sBgAppWidgets.add(appWidgetInfo); 2174 } 2175 break; 2176 } 2177 } catch (Exception e) { 2178 Log.e(TAG, "Desktop items loading interrupted", e); 2179 } 2180 } 2181 } finally { 2182 if (c != null) { 2183 c.close(); 2184 } 2185 } 2186 2187 // Break early if we've stopped loading 2188 if (mStopped) { 2189 clearSBgDataStructures(); 2190 return; 2191 } 2192 2193 if (itemsToRemove.size() > 0) { 2194 // Remove dead items 2195 contentResolver.delete(LauncherSettings.Favorites.CONTENT_URI, 2196 Utilities.createDbSelectionQuery( 2197 LauncherSettings.Favorites._ID, itemsToRemove), null); 2198 if (DEBUG_LOADERS) { 2199 Log.d(TAG, "Removed = " + Utilities.createDbSelectionQuery( 2200 LauncherSettings.Favorites._ID, itemsToRemove)); 2201 } 2202 2203 // Remove any empty folder 2204 ArrayList<Long> deletedFolderIds = (ArrayList<Long>) LauncherSettings.Settings 2205 .call(contentResolver, 2206 LauncherSettings.Settings.METHOD_DELETE_EMPTY_FOLDERS) 2207 .getSerializable(LauncherSettings.Settings.EXTRA_VALUE); 2208 for (long folderId : deletedFolderIds) { 2209 sBgWorkspaceItems.remove(sBgFolders.get(folderId)); 2210 sBgFolders.remove(folderId); 2211 sBgItemsIdMap.remove(folderId); 2212 } 2213 } 2214 2215 // Sort all the folder items and make sure the first 3 items are high resolution. 2216 for (FolderInfo folder : sBgFolders) { 2217 Collections.sort(folder.contents, Folder.ITEM_POS_COMPARATOR); 2218 int pos = 0; 2219 for (ShortcutInfo info : folder.contents) { 2220 if (info.usingLowResIcon) { 2221 info.updateIcon(mIconCache, false); 2222 } 2223 pos ++; 2224 if (pos >= FolderIcon.NUM_ITEMS_IN_PREVIEW) { 2225 break; 2226 } 2227 } 2228 } 2229 2230 if (restoredRows.size() > 0) { 2231 // Update restored items that no longer require special handling 2232 ContentValues values = new ContentValues(); 2233 values.put(LauncherSettings.Favorites.RESTORED, 0); 2234 contentResolver.update(LauncherSettings.Favorites.CONTENT_URI, values, 2235 Utilities.createDbSelectionQuery( 2236 LauncherSettings.Favorites._ID, restoredRows), null); 2237 } 2238 2239 if (!isSdCardReady && !sPendingPackages.isEmpty()) { 2240 context.registerReceiver(new AppsAvailabilityCheck(), 2241 new IntentFilter(Intent.ACTION_BOOT_COMPLETED), 2242 null, sWorker); 2243 } 2244 2245 // Remove any empty screens 2246 ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens); 2247 for (ItemInfo item: sBgItemsIdMap) { 2248 long screenId = item.screenId; 2249 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2250 unusedScreens.contains(screenId)) { 2251 unusedScreens.remove(screenId); 2252 } 2253 } 2254 2255 // If there are any empty screens remove them, and update. 2256 if (unusedScreens.size() != 0) { 2257 sBgWorkspaceScreens.removeAll(unusedScreens); 2258 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2259 } 2260 2261 if (DEBUG_LOADERS) { 2262 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 2263 Log.d(TAG, "workspace layout: "); 2264 int nScreens = occupied.size(); 2265 for (int y = 0; y < countY; y++) { 2266 String line = ""; 2267 2268 for (int i = 0; i < nScreens; i++) { 2269 long screenId = occupied.keyAt(i); 2270 if (screenId > 0) { 2271 line += " | "; 2272 } 2273 ItemInfo[][] screen = occupied.valueAt(i); 2274 for (int x = 0; x < countX; x++) { 2275 if (x < screen.length && y < screen[x].length) { 2276 line += (screen[x][y] != null) ? "#" : "."; 2277 } else { 2278 line += "!"; 2279 } 2280 } 2281 } 2282 Log.d(TAG, "[ " + line + " ]"); 2283 } 2284 } 2285 } 2286 } 2287 2288 /** 2289 * Partially updates the item without any notification. Must be called on the worker thread. 2290 */ 2291 private void updateItem(long itemId, ContentValues update) { 2292 mContext.getContentResolver().update( 2293 LauncherSettings.Favorites.CONTENT_URI, 2294 update, 2295 BaseColumns._ID + "= ?", 2296 new String[]{Long.toString(itemId)}); 2297 } 2298 2299 /** Filters the set of items who are directly or indirectly (via another container) on the 2300 * specified screen. */ 2301 private void filterCurrentWorkspaceItems(long currentScreenId, 2302 ArrayList<ItemInfo> allWorkspaceItems, 2303 ArrayList<ItemInfo> currentScreenItems, 2304 ArrayList<ItemInfo> otherScreenItems) { 2305 // Purge any null ItemInfos 2306 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 2307 while (iter.hasNext()) { 2308 ItemInfo i = iter.next(); 2309 if (i == null) { 2310 iter.remove(); 2311 } 2312 } 2313 2314 // Order the set of items by their containers first, this allows use to walk through the 2315 // list sequentially, build up a list of containers that are in the specified screen, 2316 // as well as all items in those containers. 2317 Set<Long> itemsOnScreen = new HashSet<Long>(); 2318 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 2319 @Override 2320 public int compare(ItemInfo lhs, ItemInfo rhs) { 2321 return Utilities.longCompare(lhs.container, rhs.container); 2322 } 2323 }); 2324 for (ItemInfo info : allWorkspaceItems) { 2325 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 2326 if (info.screenId == currentScreenId) { 2327 currentScreenItems.add(info); 2328 itemsOnScreen.add(info.id); 2329 } else { 2330 otherScreenItems.add(info); 2331 } 2332 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2333 currentScreenItems.add(info); 2334 itemsOnScreen.add(info.id); 2335 } else { 2336 if (itemsOnScreen.contains(info.container)) { 2337 currentScreenItems.add(info); 2338 itemsOnScreen.add(info.id); 2339 } else { 2340 otherScreenItems.add(info); 2341 } 2342 } 2343 } 2344 } 2345 2346 /** Filters the set of widgets which are on the specified screen. */ 2347 private void filterCurrentAppWidgets(long currentScreenId, 2348 ArrayList<LauncherAppWidgetInfo> appWidgets, 2349 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 2350 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 2351 2352 for (LauncherAppWidgetInfo widget : appWidgets) { 2353 if (widget == null) continue; 2354 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2355 widget.screenId == currentScreenId) { 2356 currentScreenWidgets.add(widget); 2357 } else { 2358 otherScreenWidgets.add(widget); 2359 } 2360 } 2361 } 2362 2363 /** Filters the set of folders which are on the specified screen. */ 2364 private void filterCurrentFolders(long currentScreenId, 2365 LongArrayMap<ItemInfo> itemsIdMap, 2366 LongArrayMap<FolderInfo> folders, 2367 LongArrayMap<FolderInfo> currentScreenFolders, 2368 LongArrayMap<FolderInfo> otherScreenFolders) { 2369 2370 int total = folders.size(); 2371 for (int i = 0; i < total; i++) { 2372 long id = folders.keyAt(i); 2373 FolderInfo folder = folders.valueAt(i); 2374 2375 ItemInfo info = itemsIdMap.get(id); 2376 if (info == null || folder == null) continue; 2377 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2378 info.screenId == currentScreenId) { 2379 currentScreenFolders.put(id, folder); 2380 } else { 2381 otherScreenFolders.put(id, folder); 2382 } 2383 } 2384 } 2385 2386 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 2387 * right) */ 2388 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 2389 final LauncherAppState app = LauncherAppState.getInstance(); 2390 final InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 2391 final int screenCols = profile.numColumns; 2392 final int screenCellCount = profile.numColumns * profile.numRows; 2393 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 2394 @Override 2395 public int compare(ItemInfo lhs, ItemInfo rhs) { 2396 if (lhs.container == rhs.container) { 2397 // Within containers, order by their spatial position in that container 2398 switch ((int) lhs.container) { 2399 case LauncherSettings.Favorites.CONTAINER_DESKTOP: { 2400 long lr = (lhs.screenId * screenCellCount + 2401 lhs.cellY * screenCols + lhs.cellX); 2402 long rr = (rhs.screenId * screenCellCount + 2403 rhs.cellY * screenCols + rhs.cellX); 2404 return Utilities.longCompare(lr, rr); 2405 } 2406 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: { 2407 // We currently use the screen id as the rank 2408 return Utilities.longCompare(lhs.screenId, rhs.screenId); 2409 } 2410 default: 2411 if (ProviderConfig.IS_DOGFOOD_BUILD) { 2412 throw new RuntimeException("Unexpected container type when " + 2413 "sorting workspace items."); 2414 } 2415 return 0; 2416 } 2417 } else { 2418 // Between containers, order by hotseat, desktop 2419 return Utilities.longCompare(lhs.container, rhs.container); 2420 } 2421 } 2422 }); 2423 } 2424 2425 private void bindWorkspaceScreens(final Callbacks oldCallbacks, 2426 final ArrayList<Long> orderedScreens) { 2427 final Runnable r = new Runnable() { 2428 @Override 2429 public void run() { 2430 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2431 if (callbacks != null) { 2432 callbacks.bindScreens(orderedScreens); 2433 } 2434 } 2435 }; 2436 runOnMainThread(r); 2437 } 2438 2439 private void bindWorkspaceItems(final Callbacks oldCallbacks, 2440 final ArrayList<ItemInfo> workspaceItems, 2441 final ArrayList<LauncherAppWidgetInfo> appWidgets, 2442 final LongArrayMap<FolderInfo> folders, 2443 final Executor executor) { 2444 2445 // Bind the workspace items 2446 int N = workspaceItems.size(); 2447 for (int i = 0; i < N; i += ITEMS_CHUNK) { 2448 final int start = i; 2449 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 2450 final Runnable r = new Runnable() { 2451 @Override 2452 public void run() { 2453 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2454 if (callbacks != null) { 2455 callbacks.bindItems(workspaceItems, start, start+chunkSize, 2456 false); 2457 } 2458 } 2459 }; 2460 executor.execute(r); 2461 } 2462 2463 // Bind the folders 2464 if (!folders.isEmpty()) { 2465 final Runnable r = new Runnable() { 2466 public void run() { 2467 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2468 if (callbacks != null) { 2469 callbacks.bindFolders(folders); 2470 } 2471 } 2472 }; 2473 executor.execute(r); 2474 } 2475 2476 // Bind the widgets, one at a time 2477 N = appWidgets.size(); 2478 for (int i = 0; i < N; i++) { 2479 final LauncherAppWidgetInfo widget = appWidgets.get(i); 2480 final Runnable r = new Runnable() { 2481 public void run() { 2482 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2483 if (callbacks != null) { 2484 callbacks.bindAppWidget(widget); 2485 } 2486 } 2487 }; 2488 executor.execute(r); 2489 } 2490 } 2491 2492 /** 2493 * Binds all loaded data to actual views on the main thread. 2494 */ 2495 private void bindWorkspace(int synchronizeBindPage) { 2496 final long t = SystemClock.uptimeMillis(); 2497 Runnable r; 2498 2499 // Don't use these two variables in any of the callback runnables. 2500 // Otherwise we hold a reference to them. 2501 final Callbacks oldCallbacks = mCallbacks.get(); 2502 if (oldCallbacks == null) { 2503 // This launcher has exited and nobody bothered to tell us. Just bail. 2504 Log.w(TAG, "LoaderTask running with no launcher"); 2505 return; 2506 } 2507 2508 // Save a copy of all the bg-thread collections 2509 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 2510 ArrayList<LauncherAppWidgetInfo> appWidgets = 2511 new ArrayList<LauncherAppWidgetInfo>(); 2512 ArrayList<Long> orderedScreenIds = new ArrayList<Long>(); 2513 2514 final LongArrayMap<FolderInfo> folders; 2515 final LongArrayMap<ItemInfo> itemsIdMap; 2516 2517 synchronized (sBgLock) { 2518 workspaceItems.addAll(sBgWorkspaceItems); 2519 appWidgets.addAll(sBgAppWidgets); 2520 orderedScreenIds.addAll(sBgWorkspaceScreens); 2521 2522 folders = sBgFolders.clone(); 2523 itemsIdMap = sBgItemsIdMap.clone(); 2524 } 2525 2526 final boolean isLoadingSynchronously = 2527 synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE; 2528 int currScreen = isLoadingSynchronously ? synchronizeBindPage : 2529 oldCallbacks.getCurrentWorkspaceScreen(); 2530 if (currScreen >= orderedScreenIds.size()) { 2531 // There may be no workspace screens (just hotseat items and an empty page). 2532 currScreen = PagedView.INVALID_RESTORE_PAGE; 2533 } 2534 final int currentScreen = currScreen; 2535 final long currentScreenId = currentScreen < 0 2536 ? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen); 2537 2538 // Load all the items that are on the current page first (and in the process, unbind 2539 // all the existing workspace items before we call startBinding() below. 2540 unbindWorkspaceItemsOnMainThread(); 2541 2542 // Separate the items that are on the current screen, and all the other remaining items 2543 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 2544 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 2545 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 2546 new ArrayList<LauncherAppWidgetInfo>(); 2547 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 2548 new ArrayList<LauncherAppWidgetInfo>(); 2549 LongArrayMap<FolderInfo> currentFolders = new LongArrayMap<>(); 2550 LongArrayMap<FolderInfo> otherFolders = new LongArrayMap<>(); 2551 2552 filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems, 2553 otherWorkspaceItems); 2554 filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets, 2555 otherAppWidgets); 2556 filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders, 2557 otherFolders); 2558 sortWorkspaceItemsSpatially(currentWorkspaceItems); 2559 sortWorkspaceItemsSpatially(otherWorkspaceItems); 2560 2561 // Tell the workspace that we're about to start binding items 2562 r = new Runnable() { 2563 public void run() { 2564 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2565 if (callbacks != null) { 2566 callbacks.clearPendingBinds(); 2567 callbacks.startBinding(); 2568 } 2569 } 2570 }; 2571 runOnMainThread(r); 2572 2573 bindWorkspaceScreens(oldCallbacks, orderedScreenIds); 2574 2575 Executor mainExecutor = new DeferredMainThreadExecutor(); 2576 // Load items on the current page. 2577 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 2578 currentFolders, mainExecutor); 2579 2580 // In case of isLoadingSynchronously, only bind the first screen, and defer binding the 2581 // remaining screens after first onDraw is called. This ensures that the first screen 2582 // is immediately visible (eg. during rotation) 2583 // In case of !isLoadingSynchronously, bind all pages one after other. 2584 final Executor deferredExecutor = isLoadingSynchronously ? 2585 new ViewOnDrawExecutor(mHandler) : mainExecutor; 2586 2587 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, 2588 otherFolders, deferredExecutor); 2589 2590 // Tell the workspace that we're done binding items 2591 r = new Runnable() { 2592 public void run() { 2593 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2594 if (callbacks != null) { 2595 callbacks.finishBindingItems(); 2596 } 2597 2598 mIsLoadingAndBindingWorkspace = false; 2599 2600 // Run all the bind complete runnables after workspace is bound. 2601 if (!mBindCompleteRunnables.isEmpty()) { 2602 synchronized (mBindCompleteRunnables) { 2603 for (final Runnable r : mBindCompleteRunnables) { 2604 runOnWorkerThread(r); 2605 } 2606 mBindCompleteRunnables.clear(); 2607 } 2608 } 2609 2610 // If we're profiling, ensure this is the last thing in the queue. 2611 if (DEBUG_LOADERS) { 2612 Log.d(TAG, "bound workspace in " 2613 + (SystemClock.uptimeMillis()-t) + "ms"); 2614 } 2615 2616 } 2617 }; 2618 deferredExecutor.execute(r); 2619 2620 if (isLoadingSynchronously) { 2621 r = new Runnable() { 2622 public void run() { 2623 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2624 if (callbacks != null) { 2625 // We are loading synchronously, which means, some of the pages will be 2626 // bound after first draw. Inform the callbacks that page binding is 2627 // not complete, and schedule the remaining pages. 2628 if (currentScreen != PagedView.INVALID_RESTORE_PAGE) { 2629 callbacks.onPageBoundSynchronously(currentScreen); 2630 } 2631 callbacks.executeOnNextDraw((ViewOnDrawExecutor) deferredExecutor); 2632 } 2633 } 2634 }; 2635 runOnMainThread(r); 2636 } 2637 } 2638 2639 private void loadAndBindAllApps() { 2640 if (DEBUG_LOADERS) { 2641 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 2642 } 2643 if (!mAllAppsLoaded) { 2644 loadAllApps(); 2645 synchronized (LoaderTask.this) { 2646 if (mStopped) { 2647 return; 2648 } 2649 } 2650 updateIconCache(); 2651 synchronized (LoaderTask.this) { 2652 if (mStopped) { 2653 return; 2654 } 2655 mAllAppsLoaded = true; 2656 } 2657 } else { 2658 onlyBindAllApps(); 2659 } 2660 } 2661 2662 private void updateIconCache() { 2663 // Ignore packages which have a promise icon. 2664 HashSet<String> packagesToIgnore = new HashSet<>(); 2665 synchronized (sBgLock) { 2666 for (ItemInfo info : sBgItemsIdMap) { 2667 if (info instanceof ShortcutInfo) { 2668 ShortcutInfo si = (ShortcutInfo) info; 2669 if (si.isPromise() && si.getTargetComponent() != null) { 2670 packagesToIgnore.add(si.getTargetComponent().getPackageName()); 2671 } 2672 } else if (info instanceof LauncherAppWidgetInfo) { 2673 LauncherAppWidgetInfo lawi = (LauncherAppWidgetInfo) info; 2674 if (lawi.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)) { 2675 packagesToIgnore.add(lawi.providerName.getPackageName()); 2676 } 2677 } 2678 } 2679 } 2680 mIconCache.updateDbIcons(packagesToIgnore); 2681 } 2682 2683 private void onlyBindAllApps() { 2684 final Callbacks oldCallbacks = mCallbacks.get(); 2685 if (oldCallbacks == null) { 2686 // This launcher has exited and nobody bothered to tell us. Just bail. 2687 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 2688 return; 2689 } 2690 2691 // shallow copy 2692 @SuppressWarnings("unchecked") 2693 final ArrayList<AppInfo> list 2694 = (ArrayList<AppInfo>) mBgAllAppsList.data.clone(); 2695 Runnable r = new Runnable() { 2696 public void run() { 2697 final long t = SystemClock.uptimeMillis(); 2698 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2699 if (callbacks != null) { 2700 callbacks.bindAllApplications(list); 2701 } 2702 if (DEBUG_LOADERS) { 2703 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 2704 + (SystemClock.uptimeMillis() - t) + "ms"); 2705 } 2706 } 2707 }; 2708 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 2709 if (isRunningOnMainThread) { 2710 r.run(); 2711 } else { 2712 mHandler.post(r); 2713 } 2714 } 2715 2716 private void loadAllApps() { 2717 final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2718 2719 final Callbacks oldCallbacks = mCallbacks.get(); 2720 if (oldCallbacks == null) { 2721 // This launcher has exited and nobody bothered to tell us. Just bail. 2722 Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); 2723 return; 2724 } 2725 2726 final List<UserHandleCompat> profiles = mUserManager.getUserProfiles(); 2727 2728 // Clear the list of apps 2729 mBgAllAppsList.clear(); 2730 for (UserHandleCompat user : profiles) { 2731 // Query for the set of apps 2732 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2733 final List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user); 2734 if (DEBUG_LOADERS) { 2735 Log.d(TAG, "getActivityList took " 2736 + (SystemClock.uptimeMillis()-qiaTime) + "ms for user " + user); 2737 Log.d(TAG, "getActivityList got " + apps.size() + " apps for user " + user); 2738 } 2739 // Fail if we don't have any apps 2740 // TODO: Fix this. Only fail for the current user. 2741 if (apps == null || apps.isEmpty()) { 2742 return; 2743 } 2744 boolean quietMode = mUserManager.isQuietModeEnabled(user); 2745 // Create the ApplicationInfos 2746 for (int i = 0; i < apps.size(); i++) { 2747 LauncherActivityInfoCompat app = apps.get(i); 2748 // This builds the icon bitmaps. 2749 mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache, quietMode)); 2750 } 2751 2752 final ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(mContext, user); 2753 if (heuristic != null) { 2754 final Runnable r = new Runnable() { 2755 2756 @Override 2757 public void run() { 2758 heuristic.processUserApps(apps); 2759 } 2760 }; 2761 runOnMainThread(new Runnable() { 2762 2763 @Override 2764 public void run() { 2765 // Check isLoadingWorkspace on the UI thread, as it is updated on 2766 // the UI thread. 2767 if (mIsLoadingAndBindingWorkspace) { 2768 synchronized (mBindCompleteRunnables) { 2769 mBindCompleteRunnables.add(r); 2770 } 2771 } else { 2772 runOnWorkerThread(r); 2773 } 2774 } 2775 }); 2776 } 2777 } 2778 // Huh? Shouldn't this be inside the Runnable below? 2779 final ArrayList<AppInfo> added = mBgAllAppsList.added; 2780 mBgAllAppsList.added = new ArrayList<AppInfo>(); 2781 2782 // Post callback on main thread 2783 mHandler.post(new Runnable() { 2784 public void run() { 2785 2786 final long bindTime = SystemClock.uptimeMillis(); 2787 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2788 if (callbacks != null) { 2789 callbacks.bindAllApplications(added); 2790 if (DEBUG_LOADERS) { 2791 Log.d(TAG, "bound " + added.size() + " apps in " 2792 + (SystemClock.uptimeMillis() - bindTime) + "ms"); 2793 } 2794 } else { 2795 Log.i(TAG, "not binding apps: no Launcher activity"); 2796 } 2797 } 2798 }); 2799 // Cleanup any data stored for a deleted user. 2800 ManagedProfileHeuristic.processAllUsers(profiles, mContext); 2801 if (DEBUG_LOADERS) { 2802 Log.d(TAG, "Icons processed in " 2803 + (SystemClock.uptimeMillis() - loadTime) + "ms"); 2804 } 2805 } 2806 2807 public void dumpState() { 2808 synchronized (sBgLock) { 2809 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 2810 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 2811 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 2812 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 2813 } 2814 } 2815 } 2816 2817 /** 2818 * Called when the icons for packages have been updated in the icon cache. 2819 */ 2820 public void onPackageIconsUpdated(HashSet<String> updatedPackages, UserHandleCompat user) { 2821 final Callbacks callbacks = getCallback(); 2822 final ArrayList<AppInfo> updatedApps = new ArrayList<>(); 2823 final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>(); 2824 2825 // If any package icon has changed (app was updated while launcher was dead), 2826 // update the corresponding shortcuts. 2827 synchronized (sBgLock) { 2828 for (ItemInfo info : sBgItemsIdMap) { 2829 if (info instanceof ShortcutInfo && user.equals(info.user) 2830 && info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 2831 ShortcutInfo si = (ShortcutInfo) info; 2832 ComponentName cn = si.getTargetComponent(); 2833 if (cn != null && updatedPackages.contains(cn.getPackageName())) { 2834 si.updateIcon(mIconCache); 2835 updatedShortcuts.add(si); 2836 } 2837 } 2838 } 2839 mBgAllAppsList.updateIconsAndLabels(updatedPackages, user, updatedApps); 2840 } 2841 2842 if (!updatedShortcuts.isEmpty()) { 2843 final UserHandleCompat userFinal = user; 2844 mHandler.post(new Runnable() { 2845 2846 public void run() { 2847 Callbacks cb = getCallback(); 2848 if (cb != null && callbacks == cb) { 2849 cb.bindShortcutsChanged(updatedShortcuts, 2850 new ArrayList<ShortcutInfo>(), userFinal); 2851 } 2852 } 2853 }); 2854 } 2855 2856 if (!updatedApps.isEmpty()) { 2857 mHandler.post(new Runnable() { 2858 2859 public void run() { 2860 Callbacks cb = getCallback(); 2861 if (cb != null && callbacks == cb) { 2862 cb.bindAppsUpdated(updatedApps); 2863 } 2864 } 2865 }); 2866 } 2867 } 2868 2869 void enqueuePackageUpdated(PackageUpdatedTask task) { 2870 sWorker.post(task); 2871 } 2872 2873 @Thunk class AppsAvailabilityCheck extends BroadcastReceiver { 2874 2875 @Override 2876 public void onReceive(Context context, Intent intent) { 2877 synchronized (sBgLock) { 2878 final LauncherAppsCompat launcherApps = LauncherAppsCompat 2879 .getInstance(mApp.getContext()); 2880 final PackageManager manager = context.getPackageManager(); 2881 final ArrayList<String> packagesRemoved = new ArrayList<String>(); 2882 final ArrayList<String> packagesUnavailable = new ArrayList<String>(); 2883 for (Entry<UserHandleCompat, HashSet<String>> entry : sPendingPackages.entrySet()) { 2884 UserHandleCompat user = entry.getKey(); 2885 packagesRemoved.clear(); 2886 packagesUnavailable.clear(); 2887 for (String pkg : entry.getValue()) { 2888 if (!launcherApps.isPackageEnabledForProfile(pkg, user)) { 2889 boolean packageOnSdcard = launcherApps.isAppEnabled( 2890 manager, pkg, PackageManager.GET_UNINSTALLED_PACKAGES); 2891 if (packageOnSdcard) { 2892 packagesUnavailable.add(pkg); 2893 } else { 2894 packagesRemoved.add(pkg); 2895 } 2896 } 2897 } 2898 if (!packagesRemoved.isEmpty()) { 2899 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_REMOVE, 2900 packagesRemoved.toArray(new String[packagesRemoved.size()]), user)); 2901 } 2902 if (!packagesUnavailable.isEmpty()) { 2903 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UNAVAILABLE, 2904 packagesUnavailable.toArray(new String[packagesUnavailable.size()]), user)); 2905 } 2906 } 2907 sPendingPackages.clear(); 2908 } 2909 } 2910 } 2911 2912 private class PackageUpdatedTask implements Runnable { 2913 int mOp; 2914 String[] mPackages; 2915 UserHandleCompat mUser; 2916 2917 public static final int OP_NONE = 0; 2918 public static final int OP_ADD = 1; 2919 public static final int OP_UPDATE = 2; 2920 public static final int OP_REMOVE = 3; // uninstlled 2921 public static final int OP_UNAVAILABLE = 4; // external media unmounted 2922 public static final int OP_SUSPEND = 5; // package suspended 2923 public static final int OP_UNSUSPEND = 6; // package unsuspended 2924 public static final int OP_USER_AVAILABILITY_CHANGE = 7; // user available/unavailable 2925 2926 public PackageUpdatedTask(int op, String[] packages, UserHandleCompat user) { 2927 mOp = op; 2928 mPackages = packages; 2929 mUser = user; 2930 } 2931 2932 public void run() { 2933 if (!mHasLoaderCompletedOnce) { 2934 // Loader has not yet run. 2935 return; 2936 } 2937 final Context context = mApp.getContext(); 2938 2939 final String[] packages = mPackages; 2940 final int N = packages.length; 2941 FlagOp flagOp = FlagOp.NO_OP; 2942 StringFilter pkgFilter = StringFilter.of(new HashSet<>(Arrays.asList(packages))); 2943 switch (mOp) { 2944 case OP_ADD: { 2945 for (int i=0; i<N; i++) { 2946 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 2947 mIconCache.updateIconsForPkg(packages[i], mUser); 2948 mBgAllAppsList.addPackage(context, packages[i], mUser); 2949 } 2950 2951 ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser); 2952 if (heuristic != null) { 2953 heuristic.processPackageAdd(mPackages); 2954 } 2955 break; 2956 } 2957 case OP_UPDATE: 2958 for (int i=0; i<N; i++) { 2959 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 2960 mIconCache.updateIconsForPkg(packages[i], mUser); 2961 mBgAllAppsList.updatePackage(context, packages[i], mUser); 2962 mApp.getWidgetCache().removePackage(packages[i], mUser); 2963 } 2964 // Since package was just updated, the target must be available now. 2965 flagOp = FlagOp.removeFlag(ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE); 2966 break; 2967 case OP_REMOVE: { 2968 ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser); 2969 if (heuristic != null) { 2970 heuristic.processPackageRemoved(mPackages); 2971 } 2972 for (int i=0; i<N; i++) { 2973 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 2974 mIconCache.removeIconsForPkg(packages[i], mUser); 2975 } 2976 // Fall through 2977 } 2978 case OP_UNAVAILABLE: 2979 for (int i=0; i<N; i++) { 2980 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 2981 mBgAllAppsList.removePackage(packages[i], mUser); 2982 mApp.getWidgetCache().removePackage(packages[i], mUser); 2983 } 2984 flagOp = FlagOp.addFlag(ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE); 2985 break; 2986 case OP_SUSPEND: 2987 case OP_UNSUSPEND: 2988 flagOp = mOp == OP_SUSPEND ? 2989 FlagOp.addFlag(ShortcutInfo.FLAG_DISABLED_SUSPENDED) : 2990 FlagOp.removeFlag(ShortcutInfo.FLAG_DISABLED_SUSPENDED); 2991 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.(un)suspend " + packages); 2992 mBgAllAppsList.updatePackageFlags(pkgFilter, mUser, flagOp); 2993 break; 2994 case OP_USER_AVAILABILITY_CHANGE: 2995 flagOp = UserManagerCompat.getInstance(context).isQuietModeEnabled(mUser) 2996 ? FlagOp.addFlag(ShortcutInfo.FLAG_DISABLED_QUIET_USER) 2997 : FlagOp.removeFlag(ShortcutInfo.FLAG_DISABLED_QUIET_USER); 2998 // We want to update all packages for this user. 2999 pkgFilter = StringFilter.matchesAll(); 3000 mBgAllAppsList.updatePackageFlags(pkgFilter, mUser, flagOp); 3001 break; 3002 } 3003 3004 ArrayList<AppInfo> added = null; 3005 ArrayList<AppInfo> modified = null; 3006 final ArrayList<AppInfo> removedApps = new ArrayList<AppInfo>(); 3007 3008 if (mBgAllAppsList.added.size() > 0) { 3009 added = new ArrayList<>(mBgAllAppsList.added); 3010 mBgAllAppsList.added.clear(); 3011 } 3012 if (mBgAllAppsList.modified.size() > 0) { 3013 modified = new ArrayList<>(mBgAllAppsList.modified); 3014 mBgAllAppsList.modified.clear(); 3015 } 3016 if (mBgAllAppsList.removed.size() > 0) { 3017 removedApps.addAll(mBgAllAppsList.removed); 3018 mBgAllAppsList.removed.clear(); 3019 } 3020 3021 final HashMap<ComponentName, AppInfo> addedOrUpdatedApps = new HashMap<>(); 3022 3023 if (added != null) { 3024 addAppsToAllApps(context, added); 3025 for (AppInfo ai : added) { 3026 addedOrUpdatedApps.put(ai.componentName, ai); 3027 } 3028 } 3029 3030 if (modified != null) { 3031 final Callbacks callbacks = getCallback(); 3032 final ArrayList<AppInfo> modifiedFinal = modified; 3033 for (AppInfo ai : modified) { 3034 addedOrUpdatedApps.put(ai.componentName, ai); 3035 } 3036 3037 mHandler.post(new Runnable() { 3038 public void run() { 3039 Callbacks cb = getCallback(); 3040 if (callbacks == cb && cb != null) { 3041 callbacks.bindAppsUpdated(modifiedFinal); 3042 } 3043 } 3044 }); 3045 } 3046 3047 // Update shortcut infos 3048 if (mOp == OP_ADD || flagOp != FlagOp.NO_OP) { 3049 final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<ShortcutInfo>(); 3050 final ArrayList<ShortcutInfo> removedShortcuts = new ArrayList<ShortcutInfo>(); 3051 final ArrayList<LauncherAppWidgetInfo> widgets = new ArrayList<LauncherAppWidgetInfo>(); 3052 3053 synchronized (sBgLock) { 3054 for (ItemInfo info : sBgItemsIdMap) { 3055 if (info instanceof ShortcutInfo && mUser.equals(info.user)) { 3056 ShortcutInfo si = (ShortcutInfo) info; 3057 boolean infoUpdated = false; 3058 boolean shortcutUpdated = false; 3059 3060 // Update shortcuts which use iconResource. 3061 if ((si.iconResource != null) 3062 && pkgFilter.matches(si.iconResource.packageName)) { 3063 Bitmap icon = Utilities.createIconBitmap( 3064 si.iconResource.packageName, 3065 si.iconResource.resourceName, context); 3066 if (icon != null) { 3067 si.setIcon(icon); 3068 si.usingFallbackIcon = false; 3069 infoUpdated = true; 3070 } 3071 } 3072 3073 ComponentName cn = si.getTargetComponent(); 3074 if (cn != null && pkgFilter.matches(cn.getPackageName())) { 3075 AppInfo appInfo = addedOrUpdatedApps.get(cn); 3076 3077 if (si.isPromise()) { 3078 if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { 3079 // Auto install icon 3080 PackageManager pm = context.getPackageManager(); 3081 ResolveInfo matched = pm.resolveActivity( 3082 new Intent(Intent.ACTION_MAIN) 3083 .setComponent(cn).addCategory(Intent.CATEGORY_LAUNCHER), 3084 PackageManager.MATCH_DEFAULT_ONLY); 3085 if (matched == null) { 3086 // Try to find the best match activity. 3087 Intent intent = pm.getLaunchIntentForPackage( 3088 cn.getPackageName()); 3089 if (intent != null) { 3090 cn = intent.getComponent(); 3091 appInfo = addedOrUpdatedApps.get(cn); 3092 } 3093 3094 if ((intent == null) || (appInfo == null)) { 3095 removedShortcuts.add(si); 3096 continue; 3097 } 3098 si.promisedIntent = intent; 3099 } 3100 } 3101 3102 // Restore the shortcut. 3103 if (appInfo != null) { 3104 si.flags = appInfo.flags; 3105 } 3106 3107 si.intent = si.promisedIntent; 3108 si.promisedIntent = null; 3109 si.status = ShortcutInfo.DEFAULT; 3110 infoUpdated = true; 3111 si.updateIcon(mIconCache); 3112 } 3113 3114 if (appInfo != null && Intent.ACTION_MAIN.equals(si.intent.getAction()) 3115 && si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 3116 si.updateIcon(mIconCache); 3117 si.title = Utilities.trim(appInfo.title); 3118 si.contentDescription = appInfo.contentDescription; 3119 infoUpdated = true; 3120 } 3121 3122 int oldDisabledFlags = si.isDisabled; 3123 si.isDisabled = flagOp.apply(si.isDisabled); 3124 if (si.isDisabled != oldDisabledFlags) { 3125 shortcutUpdated = true; 3126 } 3127 } 3128 3129 if (infoUpdated || shortcutUpdated) { 3130 updatedShortcuts.add(si); 3131 } 3132 if (infoUpdated) { 3133 updateItemInDatabase(context, si); 3134 } 3135 } else if (info instanceof LauncherAppWidgetInfo && mOp == OP_ADD) { 3136 LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo) info; 3137 if (mUser.equals(widgetInfo.user) 3138 && widgetInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) 3139 && pkgFilter.matches(widgetInfo.providerName.getPackageName())) { 3140 widgetInfo.restoreStatus &= 3141 ~LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY & 3142 ~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 3143 3144 // adding this flag ensures that launcher shows 'click to setup' 3145 // if the widget has a config activity. In case there is no config 3146 // activity, it will be marked as 'restored' during bind. 3147 widgetInfo.restoreStatus |= LauncherAppWidgetInfo.FLAG_UI_NOT_READY; 3148 3149 widgets.add(widgetInfo); 3150 updateItemInDatabase(context, widgetInfo); 3151 } 3152 } 3153 } 3154 } 3155 3156 if (!updatedShortcuts.isEmpty() || !removedShortcuts.isEmpty()) { 3157 final Callbacks callbacks = getCallback(); 3158 mHandler.post(new Runnable() { 3159 3160 public void run() { 3161 Callbacks cb = getCallback(); 3162 if (callbacks == cb && cb != null) { 3163 callbacks.bindShortcutsChanged( 3164 updatedShortcuts, removedShortcuts, mUser); 3165 } 3166 } 3167 }); 3168 if (!removedShortcuts.isEmpty()) { 3169 deleteItemsFromDatabase(context, removedShortcuts); 3170 } 3171 } 3172 if (!widgets.isEmpty()) { 3173 final Callbacks callbacks = getCallback(); 3174 mHandler.post(new Runnable() { 3175 public void run() { 3176 Callbacks cb = getCallback(); 3177 if (callbacks == cb && cb != null) { 3178 callbacks.bindWidgetsRestored(widgets); 3179 } 3180 } 3181 }); 3182 } 3183 } 3184 3185 final HashSet<String> removedPackages = new HashSet<>(); 3186 final HashSet<ComponentName> removedComponents = new HashSet<>(); 3187 if (mOp == OP_REMOVE) { 3188 // Mark all packages in the broadcast to be removed 3189 Collections.addAll(removedPackages, packages); 3190 3191 // No need to update the removedComponents as 3192 // removedPackages is a super-set of removedComponents 3193 } else if (mOp == OP_UPDATE) { 3194 // Mark disabled packages in the broadcast to be removed 3195 for (int i=0; i<N; i++) { 3196 if (isPackageDisabled(context, packages[i], mUser)) { 3197 removedPackages.add(packages[i]); 3198 } 3199 } 3200 3201 // Update removedComponents as some components can get removed during package update 3202 for (AppInfo info : removedApps) { 3203 removedComponents.add(info.componentName); 3204 } 3205 } 3206 3207 if (!removedPackages.isEmpty() || !removedComponents.isEmpty()) { 3208 for (String pn : removedPackages) { 3209 deletePackageFromDatabase(context, pn, mUser); 3210 } 3211 for (ComponentName cn : removedComponents) { 3212 deleteItemsFromDatabase(context, getItemInfoForComponentName(cn, mUser)); 3213 } 3214 3215 // Remove any queued items from the install queue 3216 InstallShortcutReceiver.removeFromInstallQueue(context, removedPackages, mUser); 3217 3218 // Call the components-removed callback 3219 final Callbacks callbacks = getCallback(); 3220 mHandler.post(new Runnable() { 3221 public void run() { 3222 Callbacks cb = getCallback(); 3223 if (callbacks == cb && cb != null) { 3224 callbacks.bindWorkspaceComponentsRemoved( 3225 removedPackages, removedComponents, mUser); 3226 } 3227 } 3228 }); 3229 } 3230 3231 if (!removedApps.isEmpty()) { 3232 // Remove corresponding apps from All-Apps 3233 final Callbacks callbacks = getCallback(); 3234 mHandler.post(new Runnable() { 3235 public void run() { 3236 Callbacks cb = getCallback(); 3237 if (callbacks == cb && cb != null) { 3238 callbacks.bindAppInfosRemoved(removedApps); 3239 } 3240 } 3241 }); 3242 } 3243 3244 // Notify launcher of widget update. From marshmallow onwards we use AppWidgetHost to 3245 // get widget update signals. 3246 if (!Utilities.ATLEAST_MARSHMALLOW && 3247 (mOp == OP_ADD || mOp == OP_REMOVE || mOp == OP_UPDATE)) { 3248 final Callbacks callbacks = getCallback(); 3249 mHandler.post(new Runnable() { 3250 public void run() { 3251 Callbacks cb = getCallback(); 3252 if (callbacks == cb && cb != null) { 3253 callbacks.notifyWidgetProvidersChanged(); 3254 } 3255 } 3256 }); 3257 } 3258 } 3259 } 3260 3261 private void bindWidgetsModel(final Callbacks callbacks, final WidgetsModel model) { 3262 mHandler.post(new Runnable() { 3263 @Override 3264 public void run() { 3265 Callbacks cb = getCallback(); 3266 if (callbacks == cb && cb != null) { 3267 callbacks.bindWidgetsModel(model); 3268 } 3269 } 3270 }); 3271 } 3272 3273 public void refreshAndBindWidgetsAndShortcuts( 3274 final Callbacks callbacks, final boolean bindFirst) { 3275 runOnWorkerThread(new Runnable() { 3276 @Override 3277 public void run() { 3278 if (bindFirst && !mBgWidgetsModel.isEmpty()) { 3279 bindWidgetsModel(callbacks, mBgWidgetsModel.clone()); 3280 } 3281 final WidgetsModel model = mBgWidgetsModel.updateAndClone(mApp.getContext()); 3282 bindWidgetsModel(callbacks, model); 3283 // update the Widget entries inside DB on the worker thread. 3284 LauncherAppState.getInstance().getWidgetCache().removeObsoletePreviews( 3285 model.getRawList()); 3286 } 3287 }); 3288 } 3289 3290 @Thunk static boolean isPackageDisabled(Context context, String packageName, 3291 UserHandleCompat user) { 3292 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3293 return !launcherApps.isPackageEnabledForProfile(packageName, user); 3294 } 3295 3296 public static boolean isValidPackageActivity(Context context, ComponentName cn, 3297 UserHandleCompat user) { 3298 if (cn == null) { 3299 return false; 3300 } 3301 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3302 if (!launcherApps.isPackageEnabledForProfile(cn.getPackageName(), user)) { 3303 return false; 3304 } 3305 return launcherApps.isActivityEnabledForProfile(cn, user); 3306 } 3307 3308 public static boolean isValidPackage(Context context, String packageName, 3309 UserHandleCompat user) { 3310 if (packageName == null) { 3311 return false; 3312 } 3313 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3314 return launcherApps.isPackageEnabledForProfile(packageName, user); 3315 } 3316 3317 /** 3318 * Make an ShortcutInfo object for a restored application or shortcut item that points 3319 * to a package that is not yet installed on the system. 3320 */ 3321 public ShortcutInfo getRestoredItemInfo(Cursor c, int titleIndex, Intent intent, 3322 int promiseType, int itemType, CursorIconInfo iconInfo, Context context) { 3323 final ShortcutInfo info = new ShortcutInfo(); 3324 info.user = UserHandleCompat.myUserHandle(); 3325 3326 Bitmap icon = iconInfo.loadIcon(c, info, context); 3327 // the fallback icon 3328 if (icon == null) { 3329 mIconCache.getTitleAndIcon(info, intent, info.user, false /* useLowResIcon */); 3330 } else { 3331 info.setIcon(icon); 3332 } 3333 3334 if ((promiseType & ShortcutInfo.FLAG_RESTORED_ICON) != 0) { 3335 String title = (c != null) ? c.getString(titleIndex) : null; 3336 if (!TextUtils.isEmpty(title)) { 3337 info.title = Utilities.trim(title); 3338 } 3339 } else if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { 3340 if (TextUtils.isEmpty(info.title)) { 3341 info.title = (c != null) ? Utilities.trim(c.getString(titleIndex)) : ""; 3342 } 3343 } else { 3344 throw new InvalidParameterException("Invalid restoreType " + promiseType); 3345 } 3346 3347 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3348 info.itemType = itemType; 3349 info.promisedIntent = intent; 3350 info.status = promiseType; 3351 return info; 3352 } 3353 3354 /** 3355 * Make an Intent object for a restored application or shortcut item that points 3356 * to the market page for the item. 3357 */ 3358 @Thunk Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) { 3359 ComponentName componentName = intent.getComponent(); 3360 return getMarketIntent(componentName.getPackageName()); 3361 } 3362 3363 static Intent getMarketIntent(String packageName) { 3364 return new Intent(Intent.ACTION_VIEW) 3365 .setData(new Uri.Builder() 3366 .scheme("market") 3367 .authority("details") 3368 .appendQueryParameter("id", packageName) 3369 .build()); 3370 } 3371 3372 /** 3373 * Make an ShortcutInfo object for a shortcut that is an application. 3374 * 3375 * If c is not null, then it will be used to fill in missing data like the title and icon. 3376 */ 3377 public ShortcutInfo getAppShortcutInfo(PackageManager manager, Intent intent, 3378 UserHandleCompat user, Context context, Cursor c, int iconIndex, int titleIndex, 3379 boolean allowMissingTarget, boolean useLowResIcon) { 3380 if (user == null) { 3381 Log.d(TAG, "Null user found in getShortcutInfo"); 3382 return null; 3383 } 3384 3385 ComponentName componentName = intent.getComponent(); 3386 if (componentName == null) { 3387 Log.d(TAG, "Missing component found in getShortcutInfo"); 3388 return null; 3389 } 3390 3391 Intent newIntent = new Intent(intent.getAction(), null); 3392 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 3393 newIntent.setComponent(componentName); 3394 LauncherActivityInfoCompat lai = mLauncherApps.resolveActivity(newIntent, user); 3395 if ((lai == null) && !allowMissingTarget) { 3396 Log.d(TAG, "Missing activity found in getShortcutInfo: " + componentName); 3397 return null; 3398 } 3399 3400 final ShortcutInfo info = new ShortcutInfo(); 3401 mIconCache.getTitleAndIcon(info, componentName, lai, user, false, useLowResIcon); 3402 if (mIconCache.isDefaultIcon(info.getIcon(mIconCache), user) && c != null) { 3403 Bitmap icon = Utilities.createIconBitmap(c, iconIndex, context); 3404 info.setIcon(icon == null ? mIconCache.getDefaultIcon(user) : icon); 3405 } 3406 3407 // from the db 3408 if (TextUtils.isEmpty(info.title) && c != null) { 3409 info.title = Utilities.trim(c.getString(titleIndex)); 3410 } 3411 3412 // fall back to the class name of the activity 3413 if (info.title == null) { 3414 info.title = componentName.getClassName(); 3415 } 3416 3417 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 3418 info.user = user; 3419 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3420 if (lai != null) { 3421 info.flags = AppInfo.initFlags(lai); 3422 } 3423 return info; 3424 } 3425 3426 static ArrayList<ItemInfo> filterItemInfos(Iterable<ItemInfo> infos, 3427 ItemInfoFilter f) { 3428 HashSet<ItemInfo> filtered = new HashSet<ItemInfo>(); 3429 for (ItemInfo i : infos) { 3430 if (i instanceof ShortcutInfo) { 3431 ShortcutInfo info = (ShortcutInfo) i; 3432 ComponentName cn = info.getTargetComponent(); 3433 if (cn != null && f.filterItem(null, info, cn)) { 3434 filtered.add(info); 3435 } 3436 } else if (i instanceof FolderInfo) { 3437 FolderInfo info = (FolderInfo) i; 3438 for (ShortcutInfo s : info.contents) { 3439 ComponentName cn = s.getTargetComponent(); 3440 if (cn != null && f.filterItem(info, s, cn)) { 3441 filtered.add(s); 3442 } 3443 } 3444 } else if (i instanceof LauncherAppWidgetInfo) { 3445 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; 3446 ComponentName cn = info.providerName; 3447 if (cn != null && f.filterItem(null, info, cn)) { 3448 filtered.add(info); 3449 } 3450 } 3451 } 3452 return new ArrayList<ItemInfo>(filtered); 3453 } 3454 3455 @Thunk ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname, 3456 final UserHandleCompat user) { 3457 ItemInfoFilter filter = new ItemInfoFilter() { 3458 @Override 3459 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 3460 if (info.user == null) { 3461 return cn.equals(cname); 3462 } else { 3463 return cn.equals(cname) && info.user.equals(user); 3464 } 3465 } 3466 }; 3467 return filterItemInfos(sBgItemsIdMap, filter); 3468 } 3469 3470 /** 3471 * Make an ShortcutInfo object for a shortcut that isn't an application. 3472 */ 3473 @Thunk ShortcutInfo getShortcutInfo(Cursor c, Context context, 3474 int titleIndex, CursorIconInfo iconInfo) { 3475 final ShortcutInfo info = new ShortcutInfo(); 3476 // Non-app shortcuts are only supported for current user. 3477 info.user = UserHandleCompat.myUserHandle(); 3478 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 3479 3480 // TODO: If there's an explicit component and we can't install that, delete it. 3481 3482 info.title = Utilities.trim(c.getString(titleIndex)); 3483 3484 Bitmap icon = iconInfo.loadIcon(c, info, context); 3485 // the fallback icon 3486 if (icon == null) { 3487 icon = mIconCache.getDefaultIcon(info.user); 3488 info.usingFallbackIcon = true; 3489 } 3490 info.setIcon(icon); 3491 return info; 3492 } 3493 3494 ShortcutInfo infoFromShortcutIntent(Context context, Intent data) { 3495 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 3496 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 3497 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 3498 3499 if (intent == null) { 3500 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 3501 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 3502 return null; 3503 } 3504 3505 Bitmap icon = null; 3506 boolean customIcon = false; 3507 ShortcutIconResource iconResource = null; 3508 3509 if (bitmap instanceof Bitmap) { 3510 icon = Utilities.createIconBitmap((Bitmap) bitmap, context); 3511 customIcon = true; 3512 } else { 3513 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 3514 if (extra instanceof ShortcutIconResource) { 3515 iconResource = (ShortcutIconResource) extra; 3516 icon = Utilities.createIconBitmap(iconResource.packageName, 3517 iconResource.resourceName, context); 3518 } 3519 } 3520 3521 final ShortcutInfo info = new ShortcutInfo(); 3522 3523 // Only support intents for current user for now. Intents sent from other 3524 // users wouldn't get here without intent forwarding anyway. 3525 info.user = UserHandleCompat.myUserHandle(); 3526 if (icon == null) { 3527 icon = mIconCache.getDefaultIcon(info.user); 3528 info.usingFallbackIcon = true; 3529 } 3530 info.setIcon(icon); 3531 3532 info.title = Utilities.trim(name); 3533 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3534 info.intent = intent; 3535 info.customIcon = customIcon; 3536 info.iconResource = iconResource; 3537 3538 return info; 3539 } 3540 3541 /** 3542 * Return an existing FolderInfo object if we have encountered this ID previously, 3543 * or make a new one. 3544 */ 3545 @Thunk static FolderInfo findOrMakeFolder(LongArrayMap<FolderInfo> folders, long id) { 3546 // See if a placeholder was created for us already 3547 FolderInfo folderInfo = folders.get(id); 3548 if (folderInfo == null) { 3549 // No placeholder -- create a new instance 3550 folderInfo = new FolderInfo(); 3551 folders.put(id, folderInfo); 3552 } 3553 return folderInfo; 3554 } 3555 3556 3557 static boolean isValidProvider(AppWidgetProviderInfo provider) { 3558 return (provider != null) && (provider.provider != null) 3559 && (provider.provider.getPackageName() != null); 3560 } 3561 3562 public void dumpState() { 3563 Log.d(TAG, "mCallbacks=" + mCallbacks); 3564 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 3565 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 3566 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 3567 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 3568 if (mLoaderTask != null) { 3569 mLoaderTask.dumpState(); 3570 } else { 3571 Log.d(TAG, "mLoaderTask=null"); 3572 } 3573 } 3574 3575 public Callbacks getCallback() { 3576 return mCallbacks != null ? mCallbacks.get() : null; 3577 } 3578 3579 /** 3580 * @return {@link FolderInfo} if its already loaded. 3581 */ 3582 public FolderInfo findFolderById(Long folderId) { 3583 synchronized (sBgLock) { 3584 return sBgFolders.get(folderId); 3585 } 3586 } 3587 3588 @Thunk class DeferredMainThreadExecutor implements Executor { 3589 3590 @Override 3591 public void execute(Runnable command) { 3592 runOnMainThread(command); 3593 } 3594 } 3595 3596 /** 3597 * @return the looper for the worker thread which can be used to start background tasks. 3598 */ 3599 public static Looper getWorkerLooper() { 3600 return sWorkerThread.getLooper(); 3601 } 3602 3603 @Thunk static final void addDumpLog(String log) { 3604 Launcher.addDumpLog(TAG, log); 3605 } 3606} 3607