1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.launcher3; 18 19 import android.app.SearchManager; 20 import android.appwidget.AppWidgetProviderInfo; 21 import android.content.BroadcastReceiver; 22 import android.content.ComponentName; 23 import android.content.ContentProviderOperation; 24 import android.content.ContentResolver; 25 import android.content.ContentValues; 26 import android.content.Context; 27 import android.content.Intent; 28 import android.content.Intent.ShortcutIconResource; 29 import android.content.IntentFilter; 30 import android.content.pm.PackageManager; 31 import android.content.pm.ProviderInfo; 32 import android.content.pm.ResolveInfo; 33 import android.database.Cursor; 34 import android.graphics.Bitmap; 35 import android.net.Uri; 36 import android.os.Build; 37 import android.os.Environment; 38 import android.os.Handler; 39 import android.os.HandlerThread; 40 import android.os.Looper; 41 import android.os.Parcelable; 42 import android.os.Process; 43 import android.os.SystemClock; 44 import android.os.TransactionTooLargeException; 45 import android.provider.BaseColumns; 46 import android.text.TextUtils; 47 import android.util.Log; 48 import android.util.LongSparseArray; 49 import android.util.Pair; 50 51 import com.android.launcher3.compat.AppWidgetManagerCompat; 52 import com.android.launcher3.compat.LauncherActivityInfoCompat; 53 import com.android.launcher3.compat.LauncherAppsCompat; 54 import com.android.launcher3.compat.PackageInstallerCompat; 55 import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo; 56 import com.android.launcher3.compat.UserHandleCompat; 57 import com.android.launcher3.compat.UserManagerCompat; 58 import com.android.launcher3.model.WidgetsModel; 59 import com.android.launcher3.util.ComponentKey; 60 import com.android.launcher3.util.CursorIconInfo; 61 import com.android.launcher3.util.LongArrayMap; 62 import com.android.launcher3.util.ManagedProfileHeuristic; 63 import com.android.launcher3.util.Thunk; 64 65 import java.lang.ref.WeakReference; 66 import java.net.URISyntaxException; 67 import java.security.InvalidParameterException; 68 import java.util.ArrayList; 69 import java.util.Arrays; 70 import java.util.Collection; 71 import java.util.Collections; 72 import java.util.Comparator; 73 import java.util.HashMap; 74 import java.util.HashSet; 75 import java.util.Iterator; 76 import java.util.List; 77 import java.util.Map.Entry; 78 import java.util.Set; 79 80 /** 81 * Maintains in-memory state of the Launcher. It is expected that there should be only one 82 * LauncherModel object held in a static. Also provide APIs for updating the database state 83 * for the Launcher. 84 */ 85 public class LauncherModel extends BroadcastReceiver 86 implements LauncherAppsCompat.OnAppsChangedCallbackCompat { 87 static final boolean DEBUG_LOADERS = false; 88 private static final boolean DEBUG_RECEIVER = false; 89 private static final boolean REMOVE_UNRESTORED_ICONS = true; 90 91 static final String TAG = "Launcher.Model"; 92 93 public static final int LOADER_FLAG_NONE = 0; 94 public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0; 95 public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1; 96 97 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 98 private static final long INVALID_SCREEN_ID = -1L; 99 100 @Thunk final boolean mAppsCanBeOnRemoveableStorage; 101 private final boolean mOldContentProviderExists; 102 103 @Thunk final LauncherAppState mApp; 104 @Thunk final Object mLock = new Object(); 105 @Thunk DeferredHandler mHandler = new DeferredHandler(); 106 @Thunk LoaderTask mLoaderTask; 107 @Thunk boolean mIsLoaderTaskRunning; 108 @Thunk boolean mHasLoaderCompletedOnce; 109 110 private static final String MIGRATE_AUTHORITY = "com.android.launcher2.settings"; 111 112 @Thunk static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 113 static { 114 sWorkerThread.start(); 115 } 116 @Thunk static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 117 118 // We start off with everything not loaded. After that, we assume that 119 // our monitoring of the package manager provides all updates and we never 120 // need to do a requery. These are only ever touched from the loader thread. 121 @Thunk boolean mWorkspaceLoaded; 122 @Thunk boolean mAllAppsLoaded; 123 124 // When we are loading pages synchronously, we can't just post the binding of items on the side 125 // pages as this delays the rotation process. Instead, we wait for a callback from the first 126 // draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start 127 // a normal load, we also clear this set of Runnables. 128 static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>(); 129 130 /** 131 * Set of runnables to be called on the background thread after the workspace binding 132 * is complete. 133 */ 134 static final ArrayList<Runnable> mBindCompleteRunnables = new ArrayList<Runnable>(); 135 136 @Thunk WeakReference<Callbacks> mCallbacks; 137 138 // < only access in worker thread > 139 AllAppsList mBgAllAppsList; 140 // Entire list of widgets. 141 WidgetsModel mBgWidgetsModel; 142 143 // The lock that must be acquired before referencing any static bg data structures. Unlike 144 // other locks, this one can generally be held long-term because we never expect any of these 145 // static data structures to be referenced outside of the worker thread except on the first 146 // load after configuration change. 147 static final Object sBgLock = new Object(); 148 149 // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 150 // LauncherModel to their ids 151 static final LongArrayMap<ItemInfo> sBgItemsIdMap = new LongArrayMap<>(); 152 153 // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts 154 // created by LauncherModel that are directly on the home screen (however, no widgets or 155 // shortcuts within folders). 156 static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>(); 157 158 // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 159 static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets = 160 new ArrayList<LauncherAppWidgetInfo>(); 161 162 // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 163 static final LongArrayMap<FolderInfo> sBgFolders = new LongArrayMap<>(); 164 165 // sBgWorkspaceScreens is the ordered set of workspace screens. 166 static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>(); 167 168 // sBgWidgetProviders is the set of widget providers including custom internal widgets 169 public static HashMap<ComponentKey, LauncherAppWidgetProviderInfo> sBgWidgetProviders; 170 171 // sPendingPackages is a set of packages which could be on sdcard and are not available yet 172 static final HashMap<UserHandleCompat, HashSet<String>> sPendingPackages = 173 new HashMap<UserHandleCompat, HashSet<String>>(); 174 175 // </ only access in worker thread > 176 177 @Thunk IconCache mIconCache; 178 179 @Thunk final LauncherAppsCompat mLauncherApps; 180 @Thunk final UserManagerCompat mUserManager; 181 182 public interface Callbacks { 183 public boolean setLoadOnResume(); 184 public int getCurrentWorkspaceScreen(); 185 public void startBinding(); 186 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end, 187 boolean forceAnimateIcons); 188 public void bindScreens(ArrayList<Long> orderedScreenIds); 189 public void bindAddScreens(ArrayList<Long> orderedScreenIds); 190 public void bindFolders(LongArrayMap<FolderInfo> folders); 191 public void finishBindingItems(); 192 public void bindAppWidget(LauncherAppWidgetInfo info); 193 public void bindAllApplications(ArrayList<AppInfo> apps); 194 public void bindAppsAdded(ArrayList<Long> newScreens, 195 ArrayList<ItemInfo> addNotAnimated, 196 ArrayList<ItemInfo> addAnimated, 197 ArrayList<AppInfo> addedApps); 198 public void bindAppsUpdated(ArrayList<AppInfo> apps); 199 public void bindShortcutsChanged(ArrayList<ShortcutInfo> updated, 200 ArrayList<ShortcutInfo> removed, UserHandleCompat user); 201 public void bindWidgetsRestored(ArrayList<LauncherAppWidgetInfo> widgets); 202 public void bindRestoreItemsChange(HashSet<ItemInfo> updates); 203 public void bindComponentsRemoved(ArrayList<String> packageNames, 204 ArrayList<AppInfo> appInfos, UserHandleCompat user, int reason); 205 public void bindAllPackages(WidgetsModel model); 206 public void bindSearchablesChanged(); 207 public boolean isAllAppsButtonRank(int rank); 208 public void onPageBoundSynchronously(int page); 209 public void dumpLogsToLocalData(); 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 private 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 /** 270 * Runs the specified runnable after the loader is complete 271 */ 272 @Thunk void runAfterBindCompletes(Runnable r) { 273 if (isLoadingWorkspace() || !mHasLoaderCompletedOnce) { 274 synchronized (mBindCompleteRunnables) { 275 mBindCompleteRunnables.add(r); 276 } 277 } else { 278 runOnWorkerThread(r); 279 } 280 } 281 282 boolean canMigrateFromOldLauncherDb(Launcher launcher) { 283 return mOldContentProviderExists && !launcher.isLauncherPreinstalled() ; 284 } 285 286 public void setPackageState(final PackageInstallInfo installInfo) { 287 Runnable updateRunnable = new Runnable() { 288 289 @Override 290 public void run() { 291 synchronized (sBgLock) { 292 final HashSet<ItemInfo> updates = new HashSet<>(); 293 294 if (installInfo.state == PackageInstallerCompat.STATUS_INSTALLED) { 295 // Ignore install success events as they are handled by Package add events. 296 return; 297 } 298 299 for (ItemInfo info : sBgItemsIdMap) { 300 if (info instanceof ShortcutInfo) { 301 ShortcutInfo si = (ShortcutInfo) info; 302 ComponentName cn = si.getTargetComponent(); 303 if (si.isPromise() && (cn != null) 304 && installInfo.packageName.equals(cn.getPackageName())) { 305 si.setInstallProgress(installInfo.progress); 306 307 if (installInfo.state == PackageInstallerCompat.STATUS_FAILED) { 308 // Mark this info as broken. 309 si.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; 310 } 311 updates.add(si); 312 } 313 } 314 } 315 316 for (LauncherAppWidgetInfo widget : sBgAppWidgets) { 317 if (widget.providerName.getPackageName().equals(installInfo.packageName)) { 318 widget.installProgress = installInfo.progress; 319 updates.add(widget); 320 } 321 } 322 323 if (!updates.isEmpty()) { 324 // Push changes to the callback. 325 Runnable r = new Runnable() { 326 public void run() { 327 Callbacks callbacks = getCallback(); 328 if (callbacks != null) { 329 callbacks.bindRestoreItemsChange(updates); 330 } 331 } 332 }; 333 mHandler.post(r); 334 } 335 } 336 } 337 }; 338 runOnWorkerThread(updateRunnable); 339 } 340 341 /** 342 * Updates the icons and label of all pending icons for the provided package name. 343 */ 344 public void updateSessionDisplayInfo(final String packageName) { 345 Runnable updateRunnable = new Runnable() { 346 347 @Override 348 public void run() { 349 synchronized (sBgLock) { 350 final ArrayList<ShortcutInfo> updates = new ArrayList<>(); 351 final UserHandleCompat user = UserHandleCompat.myUserHandle(); 352 353 for (ItemInfo info : sBgItemsIdMap) { 354 if (info instanceof ShortcutInfo) { 355 ShortcutInfo si = (ShortcutInfo) info; 356 ComponentName cn = si.getTargetComponent(); 357 if (si.isPromise() && (cn != null) 358 && packageName.equals(cn.getPackageName())) { 359 if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { 360 // For auto install apps update the icon as well as label. 361 mIconCache.getTitleAndIcon(si, 362 si.promisedIntent, user, 363 si.shouldUseLowResIcon()); 364 } else { 365 // Only update the icon for restored apps. 366 si.updateIcon(mIconCache); 367 } 368 updates.add(si); 369 } 370 } 371 } 372 373 if (!updates.isEmpty()) { 374 // Push changes to the callback. 375 Runnable r = new Runnable() { 376 public void run() { 377 Callbacks callbacks = getCallback(); 378 if (callbacks != null) { 379 callbacks.bindShortcutsChanged(updates, 380 new ArrayList<ShortcutInfo>(), user); 381 } 382 } 383 }; 384 mHandler.post(r); 385 } 386 } 387 } 388 }; 389 runOnWorkerThread(updateRunnable); 390 } 391 392 public void addAppsToAllApps(final Context ctx, final ArrayList<AppInfo> allAppsApps) { 393 final Callbacks callbacks = getCallback(); 394 395 if (allAppsApps == null) { 396 throw new RuntimeException("allAppsApps must not be null"); 397 } 398 if (allAppsApps.isEmpty()) { 399 return; 400 } 401 402 // Process the newly added applications and add them to the database first 403 Runnable r = new Runnable() { 404 public void run() { 405 runOnMainThread(new Runnable() { 406 public void run() { 407 Callbacks cb = getCallback(); 408 if (callbacks == cb && cb != null) { 409 callbacks.bindAppsAdded(null, null, null, allAppsApps); 410 } 411 } 412 }); 413 } 414 }; 415 runOnWorkerThread(r); 416 } 417 418 private static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> occupiedPos, 419 int[] xy, int spanX, int spanY) { 420 LauncherAppState app = LauncherAppState.getInstance(); 421 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 422 final int xCount = (int) profile.numColumns; 423 final int yCount = (int) profile.numRows; 424 boolean[][] occupied = new boolean[xCount][yCount]; 425 if (occupiedPos != null) { 426 for (ItemInfo r : occupiedPos) { 427 int right = r.cellX + r.spanX; 428 int bottom = r.cellY + r.spanY; 429 for (int x = r.cellX; 0 <= x && x < right && x < xCount; x++) { 430 for (int y = r.cellY; 0 <= y && y < bottom && y < yCount; y++) { 431 occupied[x][y] = true; 432 } 433 } 434 } 435 } 436 return Utilities.findVacantCell(xy, spanX, spanY, xCount, yCount, occupied); 437 } 438 439 /** 440 * Find a position on the screen for the given size or adds a new screen. 441 * @return screenId and the coordinates for the item. 442 */ 443 @Thunk Pair<Long, int[]> findSpaceForItem( 444 Context context, 445 ArrayList<Long> workspaceScreens, 446 ArrayList<Long> addedWorkspaceScreensFinal, 447 int spanX, int spanY) { 448 LongSparseArray<ArrayList<ItemInfo>> screenItems = new LongSparseArray<>(); 449 450 // Use sBgItemsIdMap as all the items are already loaded. 451 assertWorkspaceLoaded(); 452 synchronized (sBgLock) { 453 for (ItemInfo info : sBgItemsIdMap) { 454 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 455 ArrayList<ItemInfo> items = screenItems.get(info.screenId); 456 if (items == null) { 457 items = new ArrayList<>(); 458 screenItems.put(info.screenId, items); 459 } 460 items.add(info); 461 } 462 } 463 } 464 465 // Find appropriate space for the item. 466 long screenId = 0; 467 int[] cordinates = new int[2]; 468 boolean found = false; 469 470 int screenCount = workspaceScreens.size(); 471 // First check the preferred screen. 472 int preferredScreenIndex = workspaceScreens.isEmpty() ? 0 : 1; 473 if (preferredScreenIndex < screenCount) { 474 screenId = workspaceScreens.get(preferredScreenIndex); 475 found = findNextAvailableIconSpaceInScreen( 476 screenItems.get(screenId), cordinates, spanX, spanY); 477 } 478 479 if (!found) { 480 // Search on any of the screens starting from the first screen. 481 for (int screen = 1; screen < screenCount; screen++) { 482 screenId = workspaceScreens.get(screen); 483 if (findNextAvailableIconSpaceInScreen( 484 screenItems.get(screenId), cordinates, spanX, spanY)) { 485 // We found a space for it 486 found = true; 487 break; 488 } 489 } 490 } 491 492 if (!found) { 493 // Still no position found. Add a new screen to the end. 494 screenId = LauncherAppState.getLauncherProvider().generateNewScreenId(); 495 496 // Save the screen id for binding in the workspace 497 workspaceScreens.add(screenId); 498 addedWorkspaceScreensFinal.add(screenId); 499 500 // If we still can't find an empty space, then God help us all!!! 501 if (!findNextAvailableIconSpaceInScreen( 502 screenItems.get(screenId), cordinates, spanX, spanY)) { 503 throw new RuntimeException("Can't find space to add the item"); 504 } 505 } 506 return Pair.create(screenId, cordinates); 507 } 508 509 /** 510 * Adds the provided items to the workspace. 511 */ 512 public void addAndBindAddedWorkspaceItems(final Context context, 513 final ArrayList<? extends ItemInfo> workspaceApps) { 514 final Callbacks callbacks = getCallback(); 515 if (workspaceApps.isEmpty()) { 516 return; 517 } 518 // Process the newly added applications and add them to the database first 519 Runnable r = new Runnable() { 520 public void run() { 521 final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>(); 522 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>(); 523 524 // Get the list of workspace screens. We need to append to this list and 525 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been 526 // called. 527 ArrayList<Long> workspaceScreens = loadWorkspaceScreensDb(context); 528 synchronized(sBgLock) { 529 for (ItemInfo item : workspaceApps) { 530 if (item instanceof ShortcutInfo) { 531 // Short-circuit this logic if the icon exists somewhere on the workspace 532 if (shortcutExists(context, item.getIntent(), item.user)) { 533 continue; 534 } 535 } 536 537 // Find appropriate space for the item. 538 Pair<Long, int[]> coords = findSpaceForItem(context, 539 workspaceScreens, addedWorkspaceScreensFinal, 540 1, 1); 541 long screenId = coords.first; 542 int[] cordinates = coords.second; 543 544 ItemInfo itemInfo; 545 if (item instanceof ShortcutInfo || item instanceof FolderInfo) { 546 itemInfo = item; 547 } else if (item instanceof AppInfo) { 548 itemInfo = ((AppInfo) item).makeShortcut(); 549 } else { 550 throw new RuntimeException("Unexpected info type"); 551 } 552 553 // Add the shortcut to the db 554 addItemToDatabase(context, itemInfo, 555 LauncherSettings.Favorites.CONTAINER_DESKTOP, 556 screenId, cordinates[0], cordinates[1]); 557 // Save the ShortcutInfo for binding in the workspace 558 addedShortcutsFinal.add(itemInfo); 559 } 560 } 561 562 // Update the workspace screens 563 updateWorkspaceScreenOrder(context, workspaceScreens); 564 565 if (!addedShortcutsFinal.isEmpty()) { 566 runOnMainThread(new Runnable() { 567 public void run() { 568 Callbacks cb = getCallback(); 569 if (callbacks == cb && cb != null) { 570 final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>(); 571 final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>(); 572 if (!addedShortcutsFinal.isEmpty()) { 573 ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1); 574 long lastScreenId = info.screenId; 575 for (ItemInfo i : addedShortcutsFinal) { 576 if (i.screenId == lastScreenId) { 577 addAnimated.add(i); 578 } else { 579 addNotAnimated.add(i); 580 } 581 } 582 } 583 callbacks.bindAppsAdded(addedWorkspaceScreensFinal, 584 addNotAnimated, addAnimated, null); 585 } 586 } 587 }); 588 } 589 } 590 }; 591 runOnWorkerThread(r); 592 } 593 594 private void unbindItemInfosAndClearQueuedBindRunnables() { 595 if (sWorkerThread.getThreadId() == Process.myTid()) { 596 throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + 597 "main thread"); 598 } 599 600 // Clear any deferred bind runnables 601 synchronized (mDeferredBindRunnables) { 602 mDeferredBindRunnables.clear(); 603 } 604 605 // Remove any queued UI runnables 606 mHandler.cancelAll(); 607 // Unbind all the workspace items 608 unbindWorkspaceItemsOnMainThread(); 609 } 610 611 /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ 612 void unbindWorkspaceItemsOnMainThread() { 613 // Ensure that we don't use the same workspace items data structure on the main thread 614 // by making a copy of workspace items first. 615 final ArrayList<ItemInfo> tmpItems = new ArrayList<ItemInfo>(); 616 synchronized (sBgLock) { 617 tmpItems.addAll(sBgWorkspaceItems); 618 tmpItems.addAll(sBgAppWidgets); 619 } 620 Runnable r = new Runnable() { 621 @Override 622 public void run() { 623 for (ItemInfo item : tmpItems) { 624 item.unbind(); 625 } 626 } 627 }; 628 runOnMainThread(r); 629 } 630 631 /** 632 * Adds an item to the DB if it was not created previously, or move it to a new 633 * <container, screen, cellX, cellY> 634 */ 635 static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 636 long screenId, int cellX, int cellY) { 637 if (item.container == ItemInfo.NO_ID) { 638 // From all apps 639 addItemToDatabase(context, item, container, screenId, cellX, cellY); 640 } else { 641 // From somewhere else 642 moveItemInDatabase(context, item, container, screenId, cellX, cellY); 643 } 644 } 645 646 static void checkItemInfoLocked( 647 final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) { 648 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 649 if (modelItem != null && item != modelItem) { 650 // check all the data is consistent 651 if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) { 652 ShortcutInfo modelShortcut = (ShortcutInfo) modelItem; 653 ShortcutInfo shortcut = (ShortcutInfo) item; 654 if (modelShortcut.title.toString().equals(shortcut.title.toString()) && 655 modelShortcut.intent.filterEquals(shortcut.intent) && 656 modelShortcut.id == shortcut.id && 657 modelShortcut.itemType == shortcut.itemType && 658 modelShortcut.container == shortcut.container && 659 modelShortcut.screenId == shortcut.screenId && 660 modelShortcut.cellX == shortcut.cellX && 661 modelShortcut.cellY == shortcut.cellY && 662 modelShortcut.spanX == shortcut.spanX && 663 modelShortcut.spanY == shortcut.spanY && 664 ((modelShortcut.dropPos == null && shortcut.dropPos == null) || 665 (modelShortcut.dropPos != null && 666 shortcut.dropPos != null && 667 modelShortcut.dropPos[0] == shortcut.dropPos[0] && 668 modelShortcut.dropPos[1] == shortcut.dropPos[1]))) { 669 // For all intents and purposes, this is the same object 670 return; 671 } 672 } 673 674 // the modelItem needs to match up perfectly with item if our model is 675 // to be consistent with the database-- for now, just require 676 // modelItem == item or the equality check above 677 String msg = "item: " + ((item != null) ? item.toString() : "null") + 678 "modelItem: " + 679 ((modelItem != null) ? modelItem.toString() : "null") + 680 "Error: ItemInfo passed to checkItemInfo doesn't match original"; 681 RuntimeException e = new RuntimeException(msg); 682 if (stackTrace != null) { 683 e.setStackTrace(stackTrace); 684 } 685 throw e; 686 } 687 } 688 689 static void checkItemInfo(final ItemInfo item) { 690 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 691 final long itemId = item.id; 692 Runnable r = new Runnable() { 693 public void run() { 694 synchronized (sBgLock) { 695 checkItemInfoLocked(itemId, item, stackTrace); 696 } 697 } 698 }; 699 runOnWorkerThread(r); 700 } 701 702 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 703 final ItemInfo item, final String callingFunction) { 704 final long itemId = item.id; 705 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); 706 final ContentResolver cr = context.getContentResolver(); 707 708 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 709 Runnable r = new Runnable() { 710 public void run() { 711 cr.update(uri, values, null, null); 712 updateItemArrays(item, itemId, stackTrace); 713 } 714 }; 715 runOnWorkerThread(r); 716 } 717 718 static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList, 719 final ArrayList<ItemInfo> items, final String callingFunction) { 720 final ContentResolver cr = context.getContentResolver(); 721 722 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 723 Runnable r = new Runnable() { 724 public void run() { 725 ArrayList<ContentProviderOperation> ops = 726 new ArrayList<ContentProviderOperation>(); 727 int count = items.size(); 728 for (int i = 0; i < count; i++) { 729 ItemInfo item = items.get(i); 730 final long itemId = item.id; 731 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); 732 ContentValues values = valuesList.get(i); 733 734 ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build()); 735 updateItemArrays(item, itemId, stackTrace); 736 737 } 738 try { 739 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 740 } catch (Exception e) { 741 e.printStackTrace(); 742 } 743 } 744 }; 745 runOnWorkerThread(r); 746 } 747 748 static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) { 749 // Lock on mBgLock *after* the db operation 750 synchronized (sBgLock) { 751 checkItemInfoLocked(itemId, item, stackTrace); 752 753 if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 754 item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 755 // Item is in a folder, make sure this folder exists 756 if (!sBgFolders.containsKey(item.container)) { 757 // An items container is being set to a that of an item which is not in 758 // the list of Folders. 759 String msg = "item: " + item + " container being set to: " + 760 item.container + ", not in the list of folders"; 761 Log.e(TAG, msg); 762 } 763 } 764 765 // Items are added/removed from the corresponding FolderInfo elsewhere, such 766 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 767 // that are on the desktop, as appropriate 768 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 769 if (modelItem != null && 770 (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 771 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { 772 switch (modelItem.itemType) { 773 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 774 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 775 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 776 if (!sBgWorkspaceItems.contains(modelItem)) { 777 sBgWorkspaceItems.add(modelItem); 778 } 779 break; 780 default: 781 break; 782 } 783 } else { 784 sBgWorkspaceItems.remove(modelItem); 785 } 786 } 787 } 788 789 /** 790 * Move an item in the DB to a new <container, screen, cellX, cellY> 791 */ 792 public static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 793 final long screenId, final int cellX, final int cellY) { 794 item.container = container; 795 item.cellX = cellX; 796 item.cellY = cellY; 797 798 // We store hotseat items in canonical form which is this orientation invariant position 799 // in the hotseat 800 if (context instanceof Launcher && screenId < 0 && 801 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 802 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 803 } else { 804 item.screenId = screenId; 805 } 806 807 final ContentValues values = new ContentValues(); 808 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 809 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 810 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 811 values.put(LauncherSettings.Favorites.RANK, item.rank); 812 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 813 814 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 815 } 816 817 /** 818 * Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the 819 * cellX, cellY have already been updated on the ItemInfos. 820 */ 821 static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items, 822 final long container, final int screen) { 823 824 ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>(); 825 int count = items.size(); 826 827 for (int i = 0; i < count; i++) { 828 ItemInfo item = items.get(i); 829 item.container = container; 830 831 // We store hotseat items in canonical form which is this orientation invariant position 832 // in the hotseat 833 if (context instanceof Launcher && screen < 0 && 834 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 835 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX, 836 item.cellY); 837 } else { 838 item.screenId = screen; 839 } 840 841 final ContentValues values = new ContentValues(); 842 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 843 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 844 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 845 values.put(LauncherSettings.Favorites.RANK, item.rank); 846 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 847 848 contentValues.add(values); 849 } 850 updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase"); 851 } 852 853 /** 854 * Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY> 855 */ 856 static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, 857 final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) { 858 item.container = container; 859 item.cellX = cellX; 860 item.cellY = cellY; 861 item.spanX = spanX; 862 item.spanY = spanY; 863 864 // We store hotseat items in canonical form which is this orientation invariant position 865 // in the hotseat 866 if (context instanceof Launcher && screenId < 0 && 867 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 868 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 869 } else { 870 item.screenId = screenId; 871 } 872 873 final ContentValues values = new ContentValues(); 874 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 875 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 876 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 877 values.put(LauncherSettings.Favorites.RANK, item.rank); 878 values.put(LauncherSettings.Favorites.SPANX, item.spanX); 879 values.put(LauncherSettings.Favorites.SPANY, item.spanY); 880 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 881 882 updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); 883 } 884 885 /** 886 * Update an item to the database in a specified container. 887 */ 888 public static void updateItemInDatabase(Context context, final ItemInfo item) { 889 final ContentValues values = new ContentValues(); 890 item.onAddToDatabase(context, values); 891 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 892 } 893 894 private void assertWorkspaceLoaded() { 895 if (LauncherAppState.isDogfoodBuild() && (isLoadingWorkspace() || !mHasLoaderCompletedOnce)) { 896 throw new RuntimeException("Trying to add shortcut while loader is running"); 897 } 898 } 899 900 /** 901 * Returns true if the shortcuts already exists on the workspace. This must be called after 902 * the workspace has been loaded. We identify a shortcut by its intent. 903 */ 904 @Thunk boolean shortcutExists(Context context, Intent intent, UserHandleCompat user) { 905 assertWorkspaceLoaded(); 906 final String intentWithPkg, intentWithoutPkg; 907 if (intent.getComponent() != null) { 908 // If component is not null, an intent with null package will produce 909 // the same result and should also be a match. 910 String packageName = intent.getComponent().getPackageName(); 911 if (intent.getPackage() != null) { 912 intentWithPkg = intent.toUri(0); 913 intentWithoutPkg = new Intent(intent).setPackage(null).toUri(0); 914 } else { 915 intentWithPkg = new Intent(intent).setPackage(packageName).toUri(0); 916 intentWithoutPkg = intent.toUri(0); 917 } 918 } else { 919 intentWithPkg = intent.toUri(0); 920 intentWithoutPkg = intent.toUri(0); 921 } 922 923 synchronized (sBgLock) { 924 for (ItemInfo item : sBgItemsIdMap) { 925 if (item instanceof ShortcutInfo) { 926 ShortcutInfo info = (ShortcutInfo) item; 927 Intent targetIntent = info.promisedIntent == null 928 ? info.intent : info.promisedIntent; 929 if (targetIntent != null && info.user.equals(user)) { 930 String s = targetIntent.toUri(0); 931 if (intentWithPkg.equals(s) || intentWithoutPkg.equals(s)) { 932 return true; 933 } 934 } 935 } 936 } 937 } 938 return false; 939 } 940 941 /** 942 * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. 943 */ 944 FolderInfo getFolderById(Context context, LongArrayMap<FolderInfo> folderList, long id) { 945 final ContentResolver cr = context.getContentResolver(); 946 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, 947 "_id=? and (itemType=? or itemType=?)", 948 new String[] { String.valueOf(id), 949 String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); 950 951 try { 952 if (c.moveToFirst()) { 953 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 954 final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); 955 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 956 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 957 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 958 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 959 final int optionsIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.OPTIONS); 960 961 FolderInfo folderInfo = null; 962 switch (c.getInt(itemTypeIndex)) { 963 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 964 folderInfo = findOrMakeFolder(folderList, id); 965 break; 966 } 967 968 // Do not trim the folder label, as is was set by the user. 969 folderInfo.title = c.getString(titleIndex); 970 folderInfo.id = id; 971 folderInfo.container = c.getInt(containerIndex); 972 folderInfo.screenId = c.getInt(screenIndex); 973 folderInfo.cellX = c.getInt(cellXIndex); 974 folderInfo.cellY = c.getInt(cellYIndex); 975 folderInfo.options = c.getInt(optionsIndex); 976 977 return folderInfo; 978 } 979 } finally { 980 c.close(); 981 } 982 983 return null; 984 } 985 986 /** 987 * Add an item to the database in a specified container. Sets the container, screen, cellX and 988 * cellY fields of the item. Also assigns an ID to the item. 989 */ 990 public static void addItemToDatabase(Context context, final ItemInfo item, final long container, 991 final long screenId, final int cellX, final int cellY) { 992 item.container = container; 993 item.cellX = cellX; 994 item.cellY = cellY; 995 // We store hotseat items in canonical form which is this orientation invariant position 996 // in the hotseat 997 if (context instanceof Launcher && screenId < 0 && 998 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 999 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 1000 } else { 1001 item.screenId = screenId; 1002 } 1003 1004 final ContentValues values = new ContentValues(); 1005 final ContentResolver cr = context.getContentResolver(); 1006 item.onAddToDatabase(context, values); 1007 1008 item.id = LauncherAppState.getLauncherProvider().generateNewItemId(); 1009 values.put(LauncherSettings.Favorites._ID, item.id); 1010 1011 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 1012 Runnable r = new Runnable() { 1013 public void run() { 1014 cr.insert(LauncherSettings.Favorites.CONTENT_URI, values); 1015 1016 // Lock on mBgLock *after* the db operation 1017 synchronized (sBgLock) { 1018 checkItemInfoLocked(item.id, item, stackTrace); 1019 sBgItemsIdMap.put(item.id, item); 1020 switch (item.itemType) { 1021 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1022 sBgFolders.put(item.id, (FolderInfo) item); 1023 // Fall through 1024 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1025 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1026 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 1027 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1028 sBgWorkspaceItems.add(item); 1029 } else { 1030 if (!sBgFolders.containsKey(item.container)) { 1031 // Adding an item to a folder that doesn't exist. 1032 String msg = "adding item: " + item + " to a folder that " + 1033 " doesn't exist"; 1034 Log.e(TAG, msg); 1035 } 1036 } 1037 break; 1038 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1039 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 1040 break; 1041 } 1042 } 1043 } 1044 }; 1045 runOnWorkerThread(r); 1046 } 1047 1048 /** 1049 * Creates a new unique child id, for a given cell span across all layouts. 1050 */ 1051 static int getCellLayoutChildId( 1052 long container, long screen, int localCellX, int localCellY, int spanX, int spanY) { 1053 return (((int) container & 0xFF) << 24) 1054 | ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 1055 } 1056 1057 private static ArrayList<ItemInfo> getItemsByPackageName( 1058 final String pn, final UserHandleCompat user) { 1059 ItemInfoFilter filter = new ItemInfoFilter() { 1060 @Override 1061 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 1062 return cn.getPackageName().equals(pn) && info.user.equals(user); 1063 } 1064 }; 1065 return filterItemInfos(sBgItemsIdMap, filter); 1066 } 1067 1068 /** 1069 * Removes all the items from the database corresponding to the specified package. 1070 */ 1071 static void deletePackageFromDatabase(Context context, final String pn, 1072 final UserHandleCompat user) { 1073 deleteItemsFromDatabase(context, getItemsByPackageName(pn, user)); 1074 } 1075 1076 /** 1077 * Removes the specified item from the database 1078 * @param context 1079 * @param item 1080 */ 1081 public static void deleteItemFromDatabase(Context context, final ItemInfo item) { 1082 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 1083 items.add(item); 1084 deleteItemsFromDatabase(context, items); 1085 } 1086 1087 /** 1088 * Removes the specified items from the database 1089 * @param context 1090 * @param item 1091 */ 1092 static void deleteItemsFromDatabase(Context context, final ArrayList<? extends ItemInfo> items) { 1093 final ContentResolver cr = context.getContentResolver(); 1094 Runnable r = new Runnable() { 1095 public void run() { 1096 for (ItemInfo item : items) { 1097 final Uri uri = LauncherSettings.Favorites.getContentUri(item.id); 1098 cr.delete(uri, null, null); 1099 1100 // Lock on mBgLock *after* the db operation 1101 synchronized (sBgLock) { 1102 switch (item.itemType) { 1103 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1104 sBgFolders.remove(item.id); 1105 for (ItemInfo info: sBgItemsIdMap) { 1106 if (info.container == item.id) { 1107 // We are deleting a folder which still contains items that 1108 // think they are contained by that folder. 1109 String msg = "deleting a folder (" + item + ") which still " + 1110 "contains items (" + info + ")"; 1111 Log.e(TAG, msg); 1112 } 1113 } 1114 sBgWorkspaceItems.remove(item); 1115 break; 1116 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1117 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1118 sBgWorkspaceItems.remove(item); 1119 break; 1120 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1121 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 1122 break; 1123 } 1124 sBgItemsIdMap.remove(item.id); 1125 } 1126 } 1127 } 1128 }; 1129 runOnWorkerThread(r); 1130 } 1131 1132 /** 1133 * Update the order of the workspace screens in the database. The array list contains 1134 * a list of screen ids in the order that they should appear. 1135 */ 1136 void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) { 1137 final ArrayList<Long> screensCopy = new ArrayList<Long>(screens); 1138 final ContentResolver cr = context.getContentResolver(); 1139 final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1140 1141 // Remove any negative screen ids -- these aren't persisted 1142 Iterator<Long> iter = screensCopy.iterator(); 1143 while (iter.hasNext()) { 1144 long id = iter.next(); 1145 if (id < 0) { 1146 iter.remove(); 1147 } 1148 } 1149 1150 Runnable r = new Runnable() { 1151 @Override 1152 public void run() { 1153 ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>(); 1154 // Clear the table 1155 ops.add(ContentProviderOperation.newDelete(uri).build()); 1156 int count = screensCopy.size(); 1157 for (int i = 0; i < count; i++) { 1158 ContentValues v = new ContentValues(); 1159 long screenId = screensCopy.get(i); 1160 v.put(LauncherSettings.WorkspaceScreens._ID, screenId); 1161 v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); 1162 ops.add(ContentProviderOperation.newInsert(uri).withValues(v).build()); 1163 } 1164 1165 try { 1166 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 1167 } catch (Exception ex) { 1168 throw new RuntimeException(ex); 1169 } 1170 1171 synchronized (sBgLock) { 1172 sBgWorkspaceScreens.clear(); 1173 sBgWorkspaceScreens.addAll(screensCopy); 1174 } 1175 } 1176 }; 1177 runOnWorkerThread(r); 1178 } 1179 1180 /** 1181 * Remove the contents of the specified folder from the database 1182 */ 1183 public static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { 1184 final ContentResolver cr = context.getContentResolver(); 1185 1186 Runnable r = new Runnable() { 1187 public void run() { 1188 cr.delete(LauncherSettings.Favorites.getContentUri(info.id), null, null); 1189 // Lock on mBgLock *after* the db operation 1190 synchronized (sBgLock) { 1191 sBgItemsIdMap.remove(info.id); 1192 sBgFolders.remove(info.id); 1193 sBgWorkspaceItems.remove(info); 1194 } 1195 1196 cr.delete(LauncherSettings.Favorites.CONTENT_URI, 1197 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 1198 // Lock on mBgLock *after* the db operation 1199 synchronized (sBgLock) { 1200 for (ItemInfo childInfo : info.contents) { 1201 sBgItemsIdMap.remove(childInfo.id); 1202 } 1203 } 1204 } 1205 }; 1206 runOnWorkerThread(r); 1207 } 1208 1209 /** 1210 * Set this as the current Launcher activity object for the loader. 1211 */ 1212 public void initialize(Callbacks callbacks) { 1213 synchronized (mLock) { 1214 // Disconnect any of the callbacks and drawables associated with ItemInfos on the 1215 // workspace to prevent leaking Launcher activities on orientation change. 1216 unbindItemInfosAndClearQueuedBindRunnables(); 1217 mCallbacks = new WeakReference<Callbacks>(callbacks); 1218 } 1219 } 1220 1221 @Override 1222 public void onPackageChanged(String packageName, UserHandleCompat user) { 1223 int op = PackageUpdatedTask.OP_UPDATE; 1224 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1225 user)); 1226 } 1227 1228 @Override 1229 public void onPackageRemoved(String packageName, UserHandleCompat user) { 1230 int op = PackageUpdatedTask.OP_REMOVE; 1231 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1232 user)); 1233 } 1234 1235 @Override 1236 public void onPackageAdded(String packageName, UserHandleCompat user) { 1237 int op = PackageUpdatedTask.OP_ADD; 1238 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1239 user)); 1240 } 1241 1242 @Override 1243 public void onPackagesAvailable(String[] packageNames, UserHandleCompat user, 1244 boolean replacing) { 1245 if (!replacing) { 1246 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packageNames, 1247 user)); 1248 if (mAppsCanBeOnRemoveableStorage) { 1249 // Only rebind if we support removable storage. It catches the 1250 // case where 1251 // apps on the external sd card need to be reloaded 1252 startLoaderFromBackground(); 1253 } 1254 } else { 1255 // If we are replacing then just update the packages in the list 1256 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE, 1257 packageNames, user)); 1258 } 1259 } 1260 1261 @Override 1262 public void onPackagesUnavailable(String[] packageNames, UserHandleCompat user, 1263 boolean replacing) { 1264 if (!replacing) { 1265 enqueuePackageUpdated(new PackageUpdatedTask( 1266 PackageUpdatedTask.OP_UNAVAILABLE, packageNames, 1267 user)); 1268 } 1269 } 1270 1271 /** 1272 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 1273 * ACTION_PACKAGE_CHANGED. 1274 */ 1275 @Override 1276 public void onReceive(Context context, Intent intent) { 1277 if (DEBUG_RECEIVER) Log.d(TAG, "onReceive intent=" + intent); 1278 1279 final String action = intent.getAction(); 1280 if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 1281 // If we have changed locale we need to clear out the labels in all apps/workspace. 1282 forceReload(); 1283 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action) || 1284 SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED.equals(action)) { 1285 Callbacks callbacks = getCallback(); 1286 if (callbacks != null) { 1287 callbacks.bindSearchablesChanged(); 1288 } 1289 } else if (LauncherAppsCompat.ACTION_MANAGED_PROFILE_ADDED.equals(action) 1290 || LauncherAppsCompat.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) { 1291 forceReload(); 1292 } 1293 } 1294 1295 void forceReload() { 1296 resetLoadedState(true, true); 1297 1298 // Do this here because if the launcher activity is running it will be restarted. 1299 // If it's not running startLoaderFromBackground will merely tell it that it needs 1300 // to reload. 1301 startLoaderFromBackground(); 1302 } 1303 1304 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 1305 synchronized (mLock) { 1306 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 1307 // mWorkspaceLoaded to true later 1308 stopLoaderLocked(); 1309 if (resetAllAppsLoaded) mAllAppsLoaded = false; 1310 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 1311 } 1312 } 1313 1314 /** 1315 * When the launcher is in the background, it's possible for it to miss paired 1316 * configuration changes. So whenever we trigger the loader from the background 1317 * tell the launcher that it needs to re-run the loader when it comes back instead 1318 * of doing it now. 1319 */ 1320 public void startLoaderFromBackground() { 1321 boolean runLoader = false; 1322 Callbacks callbacks = getCallback(); 1323 if (callbacks != null) { 1324 // Only actually run the loader if they're not paused. 1325 if (!callbacks.setLoadOnResume()) { 1326 runLoader = true; 1327 } 1328 } 1329 if (runLoader) { 1330 startLoader(PagedView.INVALID_RESTORE_PAGE); 1331 } 1332 } 1333 1334 /** 1335 * If there is already a loader task running, tell it to stop. 1336 */ 1337 private void stopLoaderLocked() { 1338 LoaderTask oldTask = mLoaderTask; 1339 if (oldTask != null) { 1340 oldTask.stopLocked(); 1341 } 1342 } 1343 1344 public boolean isCurrentCallbacks(Callbacks callbacks) { 1345 return (mCallbacks != null && mCallbacks.get() == callbacks); 1346 } 1347 1348 public void startLoader(int synchronousBindPage) { 1349 startLoader(synchronousBindPage, LOADER_FLAG_NONE); 1350 } 1351 1352 public void startLoader(int synchronousBindPage, int loadFlags) { 1353 // Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems 1354 InstallShortcutReceiver.enableInstallQueue(); 1355 synchronized (mLock) { 1356 // Clear any deferred bind-runnables from the synchronized load process 1357 // We must do this before any loading/binding is scheduled below. 1358 synchronized (mDeferredBindRunnables) { 1359 mDeferredBindRunnables.clear(); 1360 } 1361 1362 // Don't bother to start the thread if we know it's not going to do anything 1363 if (mCallbacks != null && mCallbacks.get() != null) { 1364 // If there is already one running, tell it to stop. 1365 stopLoaderLocked(); 1366 mLoaderTask = new LoaderTask(mApp.getContext(), loadFlags); 1367 if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE 1368 && mAllAppsLoaded && mWorkspaceLoaded && !mIsLoaderTaskRunning) { 1369 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 1370 } else { 1371 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 1372 sWorker.post(mLoaderTask); 1373 } 1374 } 1375 } 1376 } 1377 1378 void bindRemainingSynchronousPages() { 1379 // Post the remaining side pages to be loaded 1380 if (!mDeferredBindRunnables.isEmpty()) { 1381 Runnable[] deferredBindRunnables = null; 1382 synchronized (mDeferredBindRunnables) { 1383 deferredBindRunnables = mDeferredBindRunnables.toArray( 1384 new Runnable[mDeferredBindRunnables.size()]); 1385 mDeferredBindRunnables.clear(); 1386 } 1387 for (final Runnable r : deferredBindRunnables) { 1388 mHandler.post(r); 1389 } 1390 } 1391 1392 // Run all the bind complete runnables after workspace is bound. 1393 if (!mBindCompleteRunnables.isEmpty()) { 1394 synchronized (mBindCompleteRunnables) { 1395 for (final Runnable r : mBindCompleteRunnables) { 1396 runOnWorkerThread(r); 1397 } 1398 mBindCompleteRunnables.clear(); 1399 } 1400 } 1401 } 1402 1403 public void stopLoader() { 1404 synchronized (mLock) { 1405 if (mLoaderTask != null) { 1406 mLoaderTask.stopLocked(); 1407 } 1408 } 1409 } 1410 1411 /** 1412 * Loads the workspace screen ids in an ordered list. 1413 */ 1414 @Thunk static ArrayList<Long> loadWorkspaceScreensDb(Context context) { 1415 final ContentResolver contentResolver = context.getContentResolver(); 1416 final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1417 1418 // Get screens ordered by rank. 1419 final Cursor sc = contentResolver.query(screensUri, null, null, null, 1420 LauncherSettings.WorkspaceScreens.SCREEN_RANK); 1421 ArrayList<Long> screenIds = new ArrayList<Long>(); 1422 try { 1423 final int idIndex = sc.getColumnIndexOrThrow(LauncherSettings.WorkspaceScreens._ID); 1424 while (sc.moveToNext()) { 1425 try { 1426 screenIds.add(sc.getLong(idIndex)); 1427 } catch (Exception e) { 1428 Launcher.addDumpLog(TAG, "Desktop items loading interrupted" 1429 + " - invalid screens: " + e, true); 1430 } 1431 } 1432 } finally { 1433 sc.close(); 1434 } 1435 return screenIds; 1436 } 1437 1438 public boolean isAllAppsLoaded() { 1439 return mAllAppsLoaded; 1440 } 1441 1442 boolean isLoadingWorkspace() { 1443 synchronized (mLock) { 1444 if (mLoaderTask != null) { 1445 return mLoaderTask.isLoadingWorkspace(); 1446 } 1447 } 1448 return false; 1449 } 1450 1451 /** 1452 * Runnable for the thread that loads the contents of the launcher: 1453 * - workspace icons 1454 * - widgets 1455 * - all apps icons 1456 */ 1457 private class LoaderTask implements Runnable { 1458 private Context mContext; 1459 @Thunk boolean mIsLoadingAndBindingWorkspace; 1460 private boolean mStopped; 1461 @Thunk boolean mLoadAndBindStepFinished; 1462 private int mFlags; 1463 1464 LoaderTask(Context context, int flags) { 1465 mContext = context; 1466 mFlags = flags; 1467 } 1468 1469 boolean isLoadingWorkspace() { 1470 return mIsLoadingAndBindingWorkspace; 1471 } 1472 1473 private void loadAndBindWorkspace() { 1474 mIsLoadingAndBindingWorkspace = true; 1475 1476 // Load the workspace 1477 if (DEBUG_LOADERS) { 1478 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 1479 } 1480 1481 if (!mWorkspaceLoaded) { 1482 loadWorkspace(); 1483 synchronized (LoaderTask.this) { 1484 if (mStopped) { 1485 return; 1486 } 1487 mWorkspaceLoaded = true; 1488 } 1489 } 1490 1491 // Bind the workspace 1492 bindWorkspace(-1); 1493 } 1494 1495 private void waitForIdle() { 1496 // Wait until the either we're stopped or the other threads are done. 1497 // This way we don't start loading all apps until the workspace has settled 1498 // down. 1499 synchronized (LoaderTask.this) { 1500 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1501 1502 mHandler.postIdle(new Runnable() { 1503 public void run() { 1504 synchronized (LoaderTask.this) { 1505 mLoadAndBindStepFinished = true; 1506 if (DEBUG_LOADERS) { 1507 Log.d(TAG, "done with previous binding step"); 1508 } 1509 LoaderTask.this.notify(); 1510 } 1511 } 1512 }); 1513 1514 while (!mStopped && !mLoadAndBindStepFinished) { 1515 try { 1516 // Just in case mFlushingWorkerThread changes but we aren't woken up, 1517 // wait no longer than 1sec at a time 1518 this.wait(1000); 1519 } catch (InterruptedException ex) { 1520 // Ignore 1521 } 1522 } 1523 if (DEBUG_LOADERS) { 1524 Log.d(TAG, "waited " 1525 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1526 + "ms for previous step to finish binding"); 1527 } 1528 } 1529 } 1530 1531 void runBindSynchronousPage(int synchronousBindPage) { 1532 if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) { 1533 // Ensure that we have a valid page index to load synchronously 1534 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1535 "valid page index"); 1536 } 1537 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1538 // Ensure that we don't try and bind a specified page when the pages have not been 1539 // loaded already (we should load everything asynchronously in that case) 1540 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1541 } 1542 synchronized (mLock) { 1543 if (mIsLoaderTaskRunning) { 1544 // Ensure that we are never running the background loading at this point since 1545 // we also touch the background collections 1546 throw new RuntimeException("Error! Background loading is already running"); 1547 } 1548 } 1549 1550 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1551 // data structures, we can't allow any other thread to touch that data, but because 1552 // this call is synchronous, we can get away with not locking). 1553 1554 // The LauncherModel is static in the LauncherAppState and mHandler may have queued 1555 // operations from the previous activity. We need to ensure that all queued operations 1556 // are executed before any synchronous binding work is done. 1557 mHandler.flush(); 1558 1559 // Divide the set of loaded items into those that we are binding synchronously, and 1560 // everything else that is to be bound normally (asynchronously). 1561 bindWorkspace(synchronousBindPage); 1562 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1563 // arise from that. 1564 onlyBindAllApps(); 1565 } 1566 1567 public void run() { 1568 synchronized (mLock) { 1569 if (mStopped) { 1570 return; 1571 } 1572 mIsLoaderTaskRunning = true; 1573 } 1574 // Optimize for end-user experience: if the Launcher is up and // running with the 1575 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1576 // workspace first (default). 1577 keep_running: { 1578 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1579 loadAndBindWorkspace(); 1580 1581 if (mStopped) { 1582 break keep_running; 1583 } 1584 1585 waitForIdle(); 1586 1587 // second step 1588 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1589 loadAndBindAllApps(); 1590 } 1591 1592 // Clear out this reference, otherwise we end up holding it until all of the 1593 // callback runnables are done. 1594 mContext = null; 1595 1596 synchronized (mLock) { 1597 // If we are still the last one to be scheduled, remove ourselves. 1598 if (mLoaderTask == this) { 1599 mLoaderTask = null; 1600 } 1601 mIsLoaderTaskRunning = false; 1602 mHasLoaderCompletedOnce = true; 1603 } 1604 } 1605 1606 public void stopLocked() { 1607 synchronized (LoaderTask.this) { 1608 mStopped = true; 1609 this.notify(); 1610 } 1611 } 1612 1613 /** 1614 * Gets the callbacks object. If we've been stopped, or if the launcher object 1615 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1616 * object that was around when the deferred message was scheduled, and if there's 1617 * a new Callbacks object around then also return null. This will save us from 1618 * calling onto it with data that will be ignored. 1619 */ 1620 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1621 synchronized (mLock) { 1622 if (mStopped) { 1623 return null; 1624 } 1625 1626 if (mCallbacks == null) { 1627 return null; 1628 } 1629 1630 final Callbacks callbacks = mCallbacks.get(); 1631 if (callbacks != oldCallbacks) { 1632 return null; 1633 } 1634 if (callbacks == null) { 1635 Log.w(TAG, "no mCallbacks"); 1636 return null; 1637 } 1638 1639 return callbacks; 1640 } 1641 } 1642 1643 // check & update map of what's occupied; used to discard overlapping/invalid items 1644 private boolean checkItemPlacement(LongArrayMap<ItemInfo[][]> occupied, ItemInfo item) { 1645 LauncherAppState app = LauncherAppState.getInstance(); 1646 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 1647 final int countX = (int) profile.numColumns; 1648 final int countY = (int) profile.numRows; 1649 1650 long containerIndex = item.screenId; 1651 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1652 // Return early if we detect that an item is under the hotseat button 1653 if (mCallbacks == null || 1654 mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) { 1655 Log.e(TAG, "Error loading shortcut into hotseat " + item 1656 + " into position (" + item.screenId + ":" + item.cellX + "," 1657 + item.cellY + ") occupied by all apps"); 1658 return false; 1659 } 1660 1661 final ItemInfo[][] hotseatItems = 1662 occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT); 1663 1664 if (item.screenId >= profile.numHotseatIcons) { 1665 Log.e(TAG, "Error loading shortcut " + item 1666 + " into hotseat position " + item.screenId 1667 + ", position out of bounds: (0 to " + (profile.numHotseatIcons - 1) 1668 + ")"); 1669 return false; 1670 } 1671 1672 if (hotseatItems != null) { 1673 if (hotseatItems[(int) item.screenId][0] != null) { 1674 Log.e(TAG, "Error loading shortcut into hotseat " + item 1675 + " into position (" + item.screenId + ":" + item.cellX + "," 1676 + item.cellY + ") occupied by " 1677 + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1678 [(int) item.screenId][0]); 1679 return false; 1680 } else { 1681 hotseatItems[(int) item.screenId][0] = item; 1682 return true; 1683 } 1684 } else { 1685 final ItemInfo[][] items = new ItemInfo[(int) profile.numHotseatIcons][1]; 1686 items[(int) item.screenId][0] = item; 1687 occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); 1688 return true; 1689 } 1690 } else if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1691 // Skip further checking if it is not the hotseat or workspace container 1692 return true; 1693 } 1694 1695 if (!occupied.containsKey(item.screenId)) { 1696 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1697 occupied.put(item.screenId, items); 1698 } 1699 1700 final ItemInfo[][] screens = occupied.get(item.screenId); 1701 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1702 item.cellX < 0 || item.cellY < 0 || 1703 item.cellX + item.spanX > countX || item.cellY + item.spanY > countY) { 1704 Log.e(TAG, "Error loading shortcut " + item 1705 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1706 + item.cellX + "," + item.cellY 1707 + ") out of screen bounds ( " + countX + "x" + countY + ")"); 1708 return false; 1709 } 1710 1711 // Check if any workspace icons overlap with each other 1712 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1713 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1714 if (screens[x][y] != null) { 1715 Log.e(TAG, "Error loading shortcut " + item 1716 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1717 + x + "," + y 1718 + ") occupied by " 1719 + screens[x][y]); 1720 return false; 1721 } 1722 } 1723 } 1724 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1725 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1726 screens[x][y] = item; 1727 } 1728 } 1729 1730 return true; 1731 } 1732 1733 /** Clears all the sBg data structures */ 1734 private void clearSBgDataStructures() { 1735 synchronized (sBgLock) { 1736 sBgWorkspaceItems.clear(); 1737 sBgAppWidgets.clear(); 1738 sBgFolders.clear(); 1739 sBgItemsIdMap.clear(); 1740 sBgWorkspaceScreens.clear(); 1741 } 1742 } 1743 1744 private void loadWorkspace() { 1745 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1746 1747 final Context context = mContext; 1748 final ContentResolver contentResolver = context.getContentResolver(); 1749 final PackageManager manager = context.getPackageManager(); 1750 final boolean isSafeMode = manager.isSafeMode(); 1751 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 1752 final boolean isSdCardReady = context.registerReceiver(null, 1753 new IntentFilter(StartupReceiver.SYSTEM_READY)) != null; 1754 1755 LauncherAppState app = LauncherAppState.getInstance(); 1756 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 1757 int countX = (int) profile.numColumns; 1758 int countY = (int) profile.numRows; 1759 1760 if ((mFlags & LOADER_FLAG_CLEAR_WORKSPACE) != 0) { 1761 Launcher.addDumpLog(TAG, "loadWorkspace: resetting launcher database", true); 1762 LauncherAppState.getLauncherProvider().deleteDatabase(); 1763 } 1764 1765 if ((mFlags & LOADER_FLAG_MIGRATE_SHORTCUTS) != 0) { 1766 // append the user's Launcher2 shortcuts 1767 Launcher.addDumpLog(TAG, "loadWorkspace: migrating from launcher2", true); 1768 LauncherAppState.getLauncherProvider().migrateLauncher2Shortcuts(); 1769 } else { 1770 // Make sure the default workspace is loaded 1771 Launcher.addDumpLog(TAG, "loadWorkspace: loading default favorites", false); 1772 LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary(); 1773 } 1774 1775 synchronized (sBgLock) { 1776 clearSBgDataStructures(); 1777 final HashMap<String, Integer> installingPkgs = PackageInstallerCompat 1778 .getInstance(mContext).updateAndGetActiveSessionCache(); 1779 1780 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 1781 final ArrayList<Long> restoredRows = new ArrayList<Long>(); 1782 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; 1783 if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri); 1784 final Cursor c = contentResolver.query(contentUri, null, null, null, null); 1785 1786 // +1 for the hotseat (it can be larger than the workspace) 1787 // Load workspace in reverse order to ensure that latest items are loaded first (and 1788 // before any earlier duplicates) 1789 final LongArrayMap<ItemInfo[][]> occupied = new LongArrayMap<>(); 1790 1791 try { 1792 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1793 final int intentIndex = c.getColumnIndexOrThrow 1794 (LauncherSettings.Favorites.INTENT); 1795 final int titleIndex = c.getColumnIndexOrThrow 1796 (LauncherSettings.Favorites.TITLE); 1797 final int containerIndex = c.getColumnIndexOrThrow( 1798 LauncherSettings.Favorites.CONTAINER); 1799 final int itemTypeIndex = c.getColumnIndexOrThrow( 1800 LauncherSettings.Favorites.ITEM_TYPE); 1801 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1802 LauncherSettings.Favorites.APPWIDGET_ID); 1803 final int appWidgetProviderIndex = c.getColumnIndexOrThrow( 1804 LauncherSettings.Favorites.APPWIDGET_PROVIDER); 1805 final int screenIndex = c.getColumnIndexOrThrow( 1806 LauncherSettings.Favorites.SCREEN); 1807 final int cellXIndex = c.getColumnIndexOrThrow 1808 (LauncherSettings.Favorites.CELLX); 1809 final int cellYIndex = c.getColumnIndexOrThrow 1810 (LauncherSettings.Favorites.CELLY); 1811 final int spanXIndex = c.getColumnIndexOrThrow 1812 (LauncherSettings.Favorites.SPANX); 1813 final int spanYIndex = c.getColumnIndexOrThrow( 1814 LauncherSettings.Favorites.SPANY); 1815 final int rankIndex = c.getColumnIndexOrThrow( 1816 LauncherSettings.Favorites.RANK); 1817 final int restoredIndex = c.getColumnIndexOrThrow( 1818 LauncherSettings.Favorites.RESTORED); 1819 final int profileIdIndex = c.getColumnIndexOrThrow( 1820 LauncherSettings.Favorites.PROFILE_ID); 1821 final int optionsIndex = c.getColumnIndexOrThrow( 1822 LauncherSettings.Favorites.OPTIONS); 1823 final CursorIconInfo cursorIconInfo = new CursorIconInfo(c); 1824 1825 final LongSparseArray<UserHandleCompat> allUsers = new LongSparseArray<>(); 1826 for (UserHandleCompat user : mUserManager.getUserProfiles()) { 1827 allUsers.put(mUserManager.getSerialNumberForUser(user), user); 1828 } 1829 1830 ShortcutInfo info; 1831 String intentDescription; 1832 LauncherAppWidgetInfo appWidgetInfo; 1833 int container; 1834 long id; 1835 long serialNumber; 1836 Intent intent; 1837 UserHandleCompat user; 1838 1839 while (!mStopped && c.moveToNext()) { 1840 try { 1841 int itemType = c.getInt(itemTypeIndex); 1842 boolean restored = 0 != c.getInt(restoredIndex); 1843 boolean allowMissingTarget = false; 1844 container = c.getInt(containerIndex); 1845 1846 switch (itemType) { 1847 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1848 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1849 id = c.getLong(idIndex); 1850 intentDescription = c.getString(intentIndex); 1851 serialNumber = c.getInt(profileIdIndex); 1852 user = allUsers.get(serialNumber); 1853 int promiseType = c.getInt(restoredIndex); 1854 int disabledState = 0; 1855 boolean itemReplaced = false; 1856 if (user == null) { 1857 // User has been deleted remove the item. 1858 itemsToRemove.add(id); 1859 continue; 1860 } 1861 try { 1862 intent = Intent.parseUri(intentDescription, 0); 1863 ComponentName cn = intent.getComponent(); 1864 if (cn != null && cn.getPackageName() != null) { 1865 boolean validPkg = launcherApps.isPackageEnabledForProfile( 1866 cn.getPackageName(), user); 1867 boolean validComponent = validPkg && 1868 launcherApps.isActivityEnabledForProfile(cn, user); 1869 1870 if (validComponent) { 1871 if (restored) { 1872 // no special handling necessary for this item 1873 restoredRows.add(id); 1874 restored = false; 1875 } 1876 } else if (validPkg) { 1877 intent = null; 1878 if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { 1879 // We allow auto install apps to have their intent 1880 // updated after an install. 1881 intent = manager.getLaunchIntentForPackage( 1882 cn.getPackageName()); 1883 if (intent != null) { 1884 ContentValues values = new ContentValues(); 1885 values.put(LauncherSettings.Favorites.INTENT, 1886 intent.toUri(0)); 1887 updateItem(id, values); 1888 } 1889 } 1890 1891 if (intent == null) { 1892 // The app is installed but the component is no 1893 // longer available. 1894 Launcher.addDumpLog(TAG, 1895 "Invalid component removed: " + cn, true); 1896 itemsToRemove.add(id); 1897 continue; 1898 } else { 1899 // no special handling necessary for this item 1900 restoredRows.add(id); 1901 restored = false; 1902 } 1903 } else if (restored) { 1904 // Package is not yet available but might be 1905 // installed later. 1906 Launcher.addDumpLog(TAG, 1907 "package not yet restored: " + cn, true); 1908 1909 if ((promiseType & ShortcutInfo.FLAG_RESTORE_STARTED) != 0) { 1910 // Restore has started once. 1911 } else if (installingPkgs.containsKey(cn.getPackageName())) { 1912 // App restore has started. Update the flag 1913 promiseType |= ShortcutInfo.FLAG_RESTORE_STARTED; 1914 ContentValues values = new ContentValues(); 1915 values.put(LauncherSettings.Favorites.RESTORED, 1916 promiseType); 1917 updateItem(id, values); 1918 } else if ((promiseType & ShortcutInfo.FLAG_RESTORED_APP_TYPE) != 0) { 1919 // This is a common app. Try to replace this. 1920 int appType = CommonAppTypeParser.decodeItemTypeFromFlag(promiseType); 1921 CommonAppTypeParser parser = new CommonAppTypeParser(id, appType, context); 1922 if (parser.findDefaultApp()) { 1923 // Default app found. Replace it. 1924 intent = parser.parsedIntent; 1925 cn = intent.getComponent(); 1926 ContentValues values = parser.parsedValues; 1927 values.put(LauncherSettings.Favorites.RESTORED, 0); 1928 updateItem(id, values); 1929 restored = false; 1930 itemReplaced = true; 1931 1932 } else if (REMOVE_UNRESTORED_ICONS) { 1933 Launcher.addDumpLog(TAG, 1934 "Unrestored package removed: " + cn, true); 1935 itemsToRemove.add(id); 1936 continue; 1937 } 1938 } else if (REMOVE_UNRESTORED_ICONS) { 1939 Launcher.addDumpLog(TAG, 1940 "Unrestored package removed: " + cn, true); 1941 itemsToRemove.add(id); 1942 continue; 1943 } 1944 } else if (launcherApps.isAppEnabled( 1945 manager, cn.getPackageName(), 1946 PackageManager.GET_UNINSTALLED_PACKAGES)) { 1947 // Package is present but not available. 1948 allowMissingTarget = true; 1949 disabledState = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 1950 } else if (!isSdCardReady) { 1951 // SdCard is not ready yet. Package might get available, 1952 // once it is ready. 1953 Launcher.addDumpLog(TAG, "Invalid package: " + cn 1954 + " (check again later)", true); 1955 HashSet<String> pkgs = sPendingPackages.get(user); 1956 if (pkgs == null) { 1957 pkgs = new HashSet<String>(); 1958 sPendingPackages.put(user, pkgs); 1959 } 1960 pkgs.add(cn.getPackageName()); 1961 allowMissingTarget = true; 1962 // Add the icon on the workspace anyway. 1963 1964 } else { 1965 // Do not wait for external media load anymore. 1966 // Log the invalid package, and remove it 1967 Launcher.addDumpLog(TAG, 1968 "Invalid package removed: " + cn, true); 1969 itemsToRemove.add(id); 1970 continue; 1971 } 1972 } else if (cn == null) { 1973 // For shortcuts with no component, keep them as they are 1974 restoredRows.add(id); 1975 restored = false; 1976 } 1977 } catch (URISyntaxException e) { 1978 Launcher.addDumpLog(TAG, 1979 "Invalid uri: " + intentDescription, true); 1980 continue; 1981 } 1982 1983 boolean useLowResIcon = container >= 0 && 1984 c.getInt(rankIndex) >= FolderIcon.NUM_ITEMS_IN_PREVIEW; 1985 1986 if (itemReplaced) { 1987 if (user.equals(UserHandleCompat.myUserHandle())) { 1988 info = getAppShortcutInfo(manager, intent, user, context, null, 1989 cursorIconInfo.iconIndex, titleIndex, 1990 false, useLowResIcon); 1991 } else { 1992 // Don't replace items for other profiles. 1993 itemsToRemove.add(id); 1994 continue; 1995 } 1996 } else if (restored) { 1997 if (user.equals(UserHandleCompat.myUserHandle())) { 1998 Launcher.addDumpLog(TAG, 1999 "constructing info for partially restored package", 2000 true); 2001 info = getRestoredItemInfo(c, titleIndex, intent, 2002 promiseType, itemType, cursorIconInfo, context); 2003 intent = getRestoredItemIntent(c, context, intent); 2004 } else { 2005 // Don't restore items for other profiles. 2006 itemsToRemove.add(id); 2007 continue; 2008 } 2009 } else if (itemType == 2010 LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 2011 info = getAppShortcutInfo(manager, intent, user, context, c, 2012 cursorIconInfo.iconIndex, titleIndex, 2013 allowMissingTarget, useLowResIcon); 2014 } else { 2015 info = getShortcutInfo(c, context, titleIndex, cursorIconInfo); 2016 2017 // App shortcuts that used to be automatically added to Launcher 2018 // didn't always have the correct intent flags set, so do that 2019 // here 2020 if (intent.getAction() != null && 2021 intent.getCategories() != null && 2022 intent.getAction().equals(Intent.ACTION_MAIN) && 2023 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 2024 intent.addFlags( 2025 Intent.FLAG_ACTIVITY_NEW_TASK | 2026 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 2027 } 2028 } 2029 2030 if (info != null) { 2031 info.id = id; 2032 info.intent = intent; 2033 info.container = container; 2034 info.screenId = c.getInt(screenIndex); 2035 info.cellX = c.getInt(cellXIndex); 2036 info.cellY = c.getInt(cellYIndex); 2037 info.rank = c.getInt(rankIndex); 2038 info.spanX = 1; 2039 info.spanY = 1; 2040 info.intent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 2041 if (info.promisedIntent != null) { 2042 info.promisedIntent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 2043 } 2044 info.isDisabled = disabledState; 2045 if (isSafeMode && !Utilities.isSystemApp(context, intent)) { 2046 info.isDisabled |= ShortcutInfo.FLAG_DISABLED_SAFEMODE; 2047 } 2048 2049 // check & update map of what's occupied 2050 if (!checkItemPlacement(occupied, info)) { 2051 itemsToRemove.add(id); 2052 break; 2053 } 2054 2055 if (restored) { 2056 ComponentName cn = info.getTargetComponent(); 2057 if (cn != null) { 2058 Integer progress = installingPkgs.get(cn.getPackageName()); 2059 if (progress != null) { 2060 info.setInstallProgress(progress); 2061 } else { 2062 info.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; 2063 } 2064 } 2065 } 2066 2067 switch (container) { 2068 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 2069 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 2070 sBgWorkspaceItems.add(info); 2071 break; 2072 default: 2073 // Item is in a user folder 2074 FolderInfo folderInfo = 2075 findOrMakeFolder(sBgFolders, container); 2076 folderInfo.add(info); 2077 break; 2078 } 2079 sBgItemsIdMap.put(info.id, info); 2080 } else { 2081 throw new RuntimeException("Unexpected null ShortcutInfo"); 2082 } 2083 break; 2084 2085 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 2086 id = c.getLong(idIndex); 2087 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 2088 2089 // Do not trim the folder label, as is was set by the user. 2090 folderInfo.title = c.getString(titleIndex); 2091 folderInfo.id = id; 2092 folderInfo.container = container; 2093 folderInfo.screenId = c.getInt(screenIndex); 2094 folderInfo.cellX = c.getInt(cellXIndex); 2095 folderInfo.cellY = c.getInt(cellYIndex); 2096 folderInfo.spanX = 1; 2097 folderInfo.spanY = 1; 2098 folderInfo.options = c.getInt(optionsIndex); 2099 2100 // check & update map of what's occupied 2101 if (!checkItemPlacement(occupied, folderInfo)) { 2102 itemsToRemove.add(id); 2103 break; 2104 } 2105 2106 switch (container) { 2107 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 2108 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 2109 sBgWorkspaceItems.add(folderInfo); 2110 break; 2111 } 2112 2113 if (restored) { 2114 // no special handling required for restored folders 2115 restoredRows.add(id); 2116 } 2117 2118 sBgItemsIdMap.put(folderInfo.id, folderInfo); 2119 sBgFolders.put(folderInfo.id, folderInfo); 2120 break; 2121 2122 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 2123 case LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET: 2124 // Read all Launcher-specific widget details 2125 boolean customWidget = itemType == 2126 LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET; 2127 2128 int appWidgetId = c.getInt(appWidgetIdIndex); 2129 serialNumber = c.getLong(profileIdIndex); 2130 String savedProvider = c.getString(appWidgetProviderIndex); 2131 id = c.getLong(idIndex); 2132 user = allUsers.get(serialNumber); 2133 if (user == null) { 2134 itemsToRemove.add(id); 2135 continue; 2136 } 2137 2138 final ComponentName component = 2139 ComponentName.unflattenFromString(savedProvider); 2140 2141 final int restoreStatus = c.getInt(restoredIndex); 2142 final boolean isIdValid = (restoreStatus & 2143 LauncherAppWidgetInfo.FLAG_ID_NOT_VALID) == 0; 2144 final boolean wasProviderReady = (restoreStatus & 2145 LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0; 2146 2147 final LauncherAppWidgetProviderInfo provider = 2148 LauncherModel.getProviderInfo(context, 2149 ComponentName.unflattenFromString(savedProvider), 2150 user); 2151 2152 final boolean isProviderReady = isValidProvider(provider); 2153 if (!isSafeMode && !customWidget && 2154 wasProviderReady && !isProviderReady) { 2155 String log = "Deleting widget that isn't installed anymore: " 2156 + "id=" + id + " appWidgetId=" + appWidgetId; 2157 2158 Log.e(TAG, log); 2159 Launcher.addDumpLog(TAG, log, false); 2160 itemsToRemove.add(id); 2161 } else { 2162 if (isProviderReady) { 2163 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2164 provider.provider); 2165 2166 int status = restoreStatus; 2167 if (!wasProviderReady) { 2168 // If provider was not previously ready, update the 2169 // status and UI flag. 2170 2171 // Id would be valid only if the widget restore broadcast was received. 2172 if (isIdValid) { 2173 status = LauncherAppWidgetInfo.RESTORE_COMPLETED; 2174 } else { 2175 status &= ~LauncherAppWidgetInfo 2176 .FLAG_PROVIDER_NOT_READY; 2177 } 2178 } 2179 appWidgetInfo.restoreStatus = status; 2180 } else { 2181 Log.v(TAG, "Widget restore pending id=" + id 2182 + " appWidgetId=" + appWidgetId 2183 + " status =" + restoreStatus); 2184 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2185 component); 2186 appWidgetInfo.restoreStatus = restoreStatus; 2187 Integer installProgress = installingPkgs.get(component.getPackageName()); 2188 2189 if ((restoreStatus & LauncherAppWidgetInfo.FLAG_RESTORE_STARTED) != 0) { 2190 // Restore has started once. 2191 } else if (installProgress != null) { 2192 // App restore has started. Update the flag 2193 appWidgetInfo.restoreStatus |= 2194 LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 2195 } else if (REMOVE_UNRESTORED_ICONS && !isSafeMode) { 2196 Launcher.addDumpLog(TAG, 2197 "Unrestored widget removed: " + component, true); 2198 itemsToRemove.add(id); 2199 continue; 2200 } 2201 2202 appWidgetInfo.installProgress = 2203 installProgress == null ? 0 : installProgress; 2204 } 2205 2206 appWidgetInfo.id = id; 2207 appWidgetInfo.screenId = c.getInt(screenIndex); 2208 appWidgetInfo.cellX = c.getInt(cellXIndex); 2209 appWidgetInfo.cellY = c.getInt(cellYIndex); 2210 appWidgetInfo.spanX = c.getInt(spanXIndex); 2211 appWidgetInfo.spanY = c.getInt(spanYIndex); 2212 appWidgetInfo.user = user; 2213 2214 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 2215 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2216 Log.e(TAG, "Widget found where container != " + 2217 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 2218 continue; 2219 } 2220 2221 appWidgetInfo.container = container; 2222 // check & update map of what's occupied 2223 if (!checkItemPlacement(occupied, appWidgetInfo)) { 2224 itemsToRemove.add(id); 2225 break; 2226 } 2227 2228 if (!customWidget) { 2229 String providerName = 2230 appWidgetInfo.providerName.flattenToString(); 2231 if (!providerName.equals(savedProvider) || 2232 (appWidgetInfo.restoreStatus != restoreStatus)) { 2233 ContentValues values = new ContentValues(); 2234 values.put( 2235 LauncherSettings.Favorites.APPWIDGET_PROVIDER, 2236 providerName); 2237 values.put(LauncherSettings.Favorites.RESTORED, 2238 appWidgetInfo.restoreStatus); 2239 updateItem(id, values); 2240 } 2241 } 2242 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 2243 sBgAppWidgets.add(appWidgetInfo); 2244 } 2245 break; 2246 } 2247 } catch (Exception e) { 2248 Launcher.addDumpLog(TAG, "Desktop items loading interrupted", e, true); 2249 } 2250 } 2251 } finally { 2252 if (c != null) { 2253 c.close(); 2254 } 2255 } 2256 2257 // Break early if we've stopped loading 2258 if (mStopped) { 2259 clearSBgDataStructures(); 2260 return; 2261 } 2262 2263 if (itemsToRemove.size() > 0) { 2264 // Remove dead items 2265 contentResolver.delete(LauncherSettings.Favorites.CONTENT_URI, 2266 Utilities.createDbSelectionQuery( 2267 LauncherSettings.Favorites._ID, itemsToRemove), null); 2268 if (DEBUG_LOADERS) { 2269 Log.d(TAG, "Removed = " + Utilities.createDbSelectionQuery( 2270 LauncherSettings.Favorites._ID, itemsToRemove)); 2271 } 2272 2273 // Remove any empty folder 2274 for (long folderId : LauncherAppState.getLauncherProvider() 2275 .deleteEmptyFolders()) { 2276 sBgWorkspaceItems.remove(sBgFolders.get(folderId)); 2277 sBgFolders.remove(folderId); 2278 sBgItemsIdMap.remove(folderId); 2279 } 2280 } 2281 2282 if (restoredRows.size() > 0) { 2283 // Update restored items that no longer require special handling 2284 ContentValues values = new ContentValues(); 2285 values.put(LauncherSettings.Favorites.RESTORED, 0); 2286 contentResolver.update(LauncherSettings.Favorites.CONTENT_URI, values, 2287 Utilities.createDbSelectionQuery( 2288 LauncherSettings.Favorites._ID, restoredRows), null); 2289 } 2290 2291 if (!isSdCardReady && !sPendingPackages.isEmpty()) { 2292 context.registerReceiver(new AppsAvailabilityCheck(), 2293 new IntentFilter(StartupReceiver.SYSTEM_READY), 2294 null, sWorker); 2295 } 2296 2297 sBgWorkspaceScreens.addAll(loadWorkspaceScreensDb(mContext)); 2298 2299 // Remove any empty screens 2300 ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens); 2301 for (ItemInfo item: sBgItemsIdMap) { 2302 long screenId = item.screenId; 2303 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2304 unusedScreens.contains(screenId)) { 2305 unusedScreens.remove(screenId); 2306 } 2307 } 2308 2309 // If there are any empty screens remove them, and update. 2310 if (unusedScreens.size() != 0) { 2311 sBgWorkspaceScreens.removeAll(unusedScreens); 2312 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2313 } 2314 2315 if (DEBUG_LOADERS) { 2316 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 2317 Log.d(TAG, "workspace layout: "); 2318 int nScreens = occupied.size(); 2319 for (int y = 0; y < countY; y++) { 2320 String line = ""; 2321 2322 for (int i = 0; i < nScreens; i++) { 2323 long screenId = occupied.keyAt(i); 2324 if (screenId > 0) { 2325 line += " | "; 2326 } 2327 ItemInfo[][] screen = occupied.valueAt(i); 2328 for (int x = 0; x < countX; x++) { 2329 if (x < screen.length && y < screen[x].length) { 2330 line += (screen[x][y] != null) ? "#" : "."; 2331 } else { 2332 line += "!"; 2333 } 2334 } 2335 } 2336 Log.d(TAG, "[ " + line + " ]"); 2337 } 2338 } 2339 } 2340 } 2341 2342 /** 2343 * Partially updates the item without any notification. Must be called on the worker thread. 2344 */ 2345 private void updateItem(long itemId, ContentValues update) { 2346 mContext.getContentResolver().update( 2347 LauncherSettings.Favorites.CONTENT_URI, 2348 update, 2349 BaseColumns._ID + "= ?", 2350 new String[]{Long.toString(itemId)}); 2351 } 2352 2353 /** Filters the set of items who are directly or indirectly (via another container) on the 2354 * specified screen. */ 2355 private void filterCurrentWorkspaceItems(long currentScreenId, 2356 ArrayList<ItemInfo> allWorkspaceItems, 2357 ArrayList<ItemInfo> currentScreenItems, 2358 ArrayList<ItemInfo> otherScreenItems) { 2359 // Purge any null ItemInfos 2360 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 2361 while (iter.hasNext()) { 2362 ItemInfo i = iter.next(); 2363 if (i == null) { 2364 iter.remove(); 2365 } 2366 } 2367 2368 // Order the set of items by their containers first, this allows use to walk through the 2369 // list sequentially, build up a list of containers that are in the specified screen, 2370 // as well as all items in those containers. 2371 Set<Long> itemsOnScreen = new HashSet<Long>(); 2372 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 2373 @Override 2374 public int compare(ItemInfo lhs, ItemInfo rhs) { 2375 return (int) (lhs.container - rhs.container); 2376 } 2377 }); 2378 for (ItemInfo info : allWorkspaceItems) { 2379 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 2380 if (info.screenId == currentScreenId) { 2381 currentScreenItems.add(info); 2382 itemsOnScreen.add(info.id); 2383 } else { 2384 otherScreenItems.add(info); 2385 } 2386 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2387 currentScreenItems.add(info); 2388 itemsOnScreen.add(info.id); 2389 } else { 2390 if (itemsOnScreen.contains(info.container)) { 2391 currentScreenItems.add(info); 2392 itemsOnScreen.add(info.id); 2393 } else { 2394 otherScreenItems.add(info); 2395 } 2396 } 2397 } 2398 } 2399 2400 /** Filters the set of widgets which are on the specified screen. */ 2401 private void filterCurrentAppWidgets(long currentScreenId, 2402 ArrayList<LauncherAppWidgetInfo> appWidgets, 2403 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 2404 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 2405 2406 for (LauncherAppWidgetInfo widget : appWidgets) { 2407 if (widget == null) continue; 2408 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2409 widget.screenId == currentScreenId) { 2410 currentScreenWidgets.add(widget); 2411 } else { 2412 otherScreenWidgets.add(widget); 2413 } 2414 } 2415 } 2416 2417 /** Filters the set of folders which are on the specified screen. */ 2418 private void filterCurrentFolders(long currentScreenId, 2419 LongArrayMap<ItemInfo> itemsIdMap, 2420 LongArrayMap<FolderInfo> folders, 2421 LongArrayMap<FolderInfo> currentScreenFolders, 2422 LongArrayMap<FolderInfo> otherScreenFolders) { 2423 2424 int total = folders.size(); 2425 for (int i = 0; i < total; i++) { 2426 long id = folders.keyAt(i); 2427 FolderInfo folder = folders.valueAt(i); 2428 2429 ItemInfo info = itemsIdMap.get(id); 2430 if (info == null || folder == null) continue; 2431 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2432 info.screenId == currentScreenId) { 2433 currentScreenFolders.put(id, folder); 2434 } else { 2435 otherScreenFolders.put(id, folder); 2436 } 2437 } 2438 } 2439 2440 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 2441 * right) */ 2442 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 2443 final LauncherAppState app = LauncherAppState.getInstance(); 2444 final InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 2445 // XXX: review this 2446 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 2447 @Override 2448 public int compare(ItemInfo lhs, ItemInfo rhs) { 2449 int cellCountX = (int) profile.numColumns; 2450 int cellCountY = (int) profile.numRows; 2451 int screenOffset = cellCountX * cellCountY; 2452 int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat 2453 long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset + 2454 lhs.cellY * cellCountX + lhs.cellX); 2455 long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset + 2456 rhs.cellY * cellCountX + rhs.cellX); 2457 return (int) (lr - rr); 2458 } 2459 }); 2460 } 2461 2462 private void bindWorkspaceScreens(final Callbacks oldCallbacks, 2463 final ArrayList<Long> orderedScreens) { 2464 final Runnable r = new Runnable() { 2465 @Override 2466 public void run() { 2467 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2468 if (callbacks != null) { 2469 callbacks.bindScreens(orderedScreens); 2470 } 2471 } 2472 }; 2473 runOnMainThread(r); 2474 } 2475 2476 private void bindWorkspaceItems(final Callbacks oldCallbacks, 2477 final ArrayList<ItemInfo> workspaceItems, 2478 final ArrayList<LauncherAppWidgetInfo> appWidgets, 2479 final LongArrayMap<FolderInfo> folders, 2480 ArrayList<Runnable> deferredBindRunnables) { 2481 2482 final boolean postOnMainThread = (deferredBindRunnables != null); 2483 2484 // Bind the workspace items 2485 int N = workspaceItems.size(); 2486 for (int i = 0; i < N; i += ITEMS_CHUNK) { 2487 final int start = i; 2488 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 2489 final Runnable r = new Runnable() { 2490 @Override 2491 public void run() { 2492 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2493 if (callbacks != null) { 2494 callbacks.bindItems(workspaceItems, start, start+chunkSize, 2495 false); 2496 } 2497 } 2498 }; 2499 if (postOnMainThread) { 2500 synchronized (deferredBindRunnables) { 2501 deferredBindRunnables.add(r); 2502 } 2503 } else { 2504 runOnMainThread(r); 2505 } 2506 } 2507 2508 // Bind the folders 2509 if (!folders.isEmpty()) { 2510 final Runnable r = new Runnable() { 2511 public void run() { 2512 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2513 if (callbacks != null) { 2514 callbacks.bindFolders(folders); 2515 } 2516 } 2517 }; 2518 if (postOnMainThread) { 2519 synchronized (deferredBindRunnables) { 2520 deferredBindRunnables.add(r); 2521 } 2522 } else { 2523 runOnMainThread(r); 2524 } 2525 } 2526 2527 // Bind the widgets, one at a time 2528 N = appWidgets.size(); 2529 for (int i = 0; i < N; i++) { 2530 final LauncherAppWidgetInfo widget = appWidgets.get(i); 2531 final Runnable r = new Runnable() { 2532 public void run() { 2533 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2534 if (callbacks != null) { 2535 callbacks.bindAppWidget(widget); 2536 } 2537 } 2538 }; 2539 if (postOnMainThread) { 2540 deferredBindRunnables.add(r); 2541 } else { 2542 runOnMainThread(r); 2543 } 2544 } 2545 } 2546 2547 /** 2548 * Binds all loaded data to actual views on the main thread. 2549 */ 2550 private void bindWorkspace(int synchronizeBindPage) { 2551 final long t = SystemClock.uptimeMillis(); 2552 Runnable r; 2553 2554 // Don't use these two variables in any of the callback runnables. 2555 // Otherwise we hold a reference to them. 2556 final Callbacks oldCallbacks = mCallbacks.get(); 2557 if (oldCallbacks == null) { 2558 // This launcher has exited and nobody bothered to tell us. Just bail. 2559 Log.w(TAG, "LoaderTask running with no launcher"); 2560 return; 2561 } 2562 2563 // Save a copy of all the bg-thread collections 2564 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 2565 ArrayList<LauncherAppWidgetInfo> appWidgets = 2566 new ArrayList<LauncherAppWidgetInfo>(); 2567 ArrayList<Long> orderedScreenIds = new ArrayList<Long>(); 2568 2569 final LongArrayMap<FolderInfo> folders; 2570 final LongArrayMap<ItemInfo> itemsIdMap; 2571 2572 synchronized (sBgLock) { 2573 workspaceItems.addAll(sBgWorkspaceItems); 2574 appWidgets.addAll(sBgAppWidgets); 2575 orderedScreenIds.addAll(sBgWorkspaceScreens); 2576 2577 folders = sBgFolders.clone(); 2578 itemsIdMap = sBgItemsIdMap.clone(); 2579 } 2580 2581 final boolean isLoadingSynchronously = 2582 synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE; 2583 int currScreen = isLoadingSynchronously ? synchronizeBindPage : 2584 oldCallbacks.getCurrentWorkspaceScreen(); 2585 if (currScreen >= orderedScreenIds.size()) { 2586 // There may be no workspace screens (just hotseat items and an empty page). 2587 currScreen = PagedView.INVALID_RESTORE_PAGE; 2588 } 2589 final int currentScreen = currScreen; 2590 final long currentScreenId = currentScreen < 0 2591 ? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen); 2592 2593 // Load all the items that are on the current page first (and in the process, unbind 2594 // all the existing workspace items before we call startBinding() below. 2595 unbindWorkspaceItemsOnMainThread(); 2596 2597 // Separate the items that are on the current screen, and all the other remaining items 2598 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 2599 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 2600 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 2601 new ArrayList<LauncherAppWidgetInfo>(); 2602 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 2603 new ArrayList<LauncherAppWidgetInfo>(); 2604 LongArrayMap<FolderInfo> currentFolders = new LongArrayMap<>(); 2605 LongArrayMap<FolderInfo> otherFolders = new LongArrayMap<>(); 2606 2607 filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems, 2608 otherWorkspaceItems); 2609 filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets, 2610 otherAppWidgets); 2611 filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders, 2612 otherFolders); 2613 sortWorkspaceItemsSpatially(currentWorkspaceItems); 2614 sortWorkspaceItemsSpatially(otherWorkspaceItems); 2615 2616 // Tell the workspace that we're about to start binding items 2617 r = new Runnable() { 2618 public void run() { 2619 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2620 if (callbacks != null) { 2621 callbacks.startBinding(); 2622 } 2623 } 2624 }; 2625 runOnMainThread(r); 2626 2627 bindWorkspaceScreens(oldCallbacks, orderedScreenIds); 2628 2629 // Load items on the current page 2630 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 2631 currentFolders, null); 2632 if (isLoadingSynchronously) { 2633 r = new Runnable() { 2634 public void run() { 2635 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2636 if (callbacks != null && currentScreen != PagedView.INVALID_RESTORE_PAGE) { 2637 callbacks.onPageBoundSynchronously(currentScreen); 2638 } 2639 } 2640 }; 2641 runOnMainThread(r); 2642 } 2643 2644 // Load all the remaining pages (if we are loading synchronously, we want to defer this 2645 // work until after the first render) 2646 synchronized (mDeferredBindRunnables) { 2647 mDeferredBindRunnables.clear(); 2648 } 2649 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, 2650 (isLoadingSynchronously ? mDeferredBindRunnables : null)); 2651 2652 // Tell the workspace that we're done binding items 2653 r = new Runnable() { 2654 public void run() { 2655 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2656 if (callbacks != null) { 2657 callbacks.finishBindingItems(); 2658 } 2659 2660 // If we're profiling, ensure this is the last thing in the queue. 2661 if (DEBUG_LOADERS) { 2662 Log.d(TAG, "bound workspace in " 2663 + (SystemClock.uptimeMillis()-t) + "ms"); 2664 } 2665 2666 mIsLoadingAndBindingWorkspace = false; 2667 } 2668 }; 2669 if (isLoadingSynchronously) { 2670 synchronized (mDeferredBindRunnables) { 2671 mDeferredBindRunnables.add(r); 2672 } 2673 } else { 2674 runOnMainThread(r); 2675 } 2676 } 2677 2678 private void loadAndBindAllApps() { 2679 if (DEBUG_LOADERS) { 2680 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 2681 } 2682 if (!mAllAppsLoaded) { 2683 loadAllApps(); 2684 synchronized (LoaderTask.this) { 2685 if (mStopped) { 2686 return; 2687 } 2688 } 2689 updateIconCache(); 2690 synchronized (LoaderTask.this) { 2691 if (mStopped) { 2692 return; 2693 } 2694 mAllAppsLoaded = true; 2695 } 2696 } else { 2697 onlyBindAllApps(); 2698 } 2699 } 2700 2701 private void updateIconCache() { 2702 // Ignore packages which have a promise icon. 2703 HashSet<String> packagesToIgnore = new HashSet<>(); 2704 synchronized (sBgLock) { 2705 for (ItemInfo info : sBgItemsIdMap) { 2706 if (info instanceof ShortcutInfo) { 2707 ShortcutInfo si = (ShortcutInfo) info; 2708 if (si.isPromise() && si.getTargetComponent() != null) { 2709 packagesToIgnore.add(si.getTargetComponent().getPackageName()); 2710 } 2711 } else if (info instanceof LauncherAppWidgetInfo) { 2712 LauncherAppWidgetInfo lawi = (LauncherAppWidgetInfo) info; 2713 if (lawi.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)) { 2714 packagesToIgnore.add(lawi.providerName.getPackageName()); 2715 } 2716 } 2717 } 2718 } 2719 mIconCache.updateDbIcons(packagesToIgnore); 2720 } 2721 2722 private void onlyBindAllApps() { 2723 final Callbacks oldCallbacks = mCallbacks.get(); 2724 if (oldCallbacks == null) { 2725 // This launcher has exited and nobody bothered to tell us. Just bail. 2726 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 2727 return; 2728 } 2729 2730 // shallow copy 2731 @SuppressWarnings("unchecked") 2732 final ArrayList<AppInfo> list 2733 = (ArrayList<AppInfo>) mBgAllAppsList.data.clone(); 2734 final WidgetsModel widgetList = mBgWidgetsModel.clone(); 2735 Runnable r = new Runnable() { 2736 public void run() { 2737 final long t = SystemClock.uptimeMillis(); 2738 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2739 if (callbacks != null) { 2740 callbacks.bindAllApplications(list); 2741 callbacks.bindAllPackages(widgetList); 2742 } 2743 if (DEBUG_LOADERS) { 2744 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 2745 + (SystemClock.uptimeMillis()-t) + "ms"); 2746 } 2747 } 2748 }; 2749 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 2750 if (isRunningOnMainThread) { 2751 r.run(); 2752 } else { 2753 mHandler.post(r); 2754 } 2755 } 2756 2757 private void loadAllApps() { 2758 final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2759 2760 final Callbacks oldCallbacks = mCallbacks.get(); 2761 if (oldCallbacks == null) { 2762 // This launcher has exited and nobody bothered to tell us. Just bail. 2763 Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); 2764 return; 2765 } 2766 2767 final List<UserHandleCompat> profiles = mUserManager.getUserProfiles(); 2768 2769 // Clear the list of apps 2770 mBgAllAppsList.clear(); 2771 for (UserHandleCompat user : profiles) { 2772 // Query for the set of apps 2773 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2774 final List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user); 2775 if (DEBUG_LOADERS) { 2776 Log.d(TAG, "getActivityList took " 2777 + (SystemClock.uptimeMillis()-qiaTime) + "ms for user " + user); 2778 Log.d(TAG, "getActivityList got " + apps.size() + " apps for user " + user); 2779 } 2780 // Fail if we don't have any apps 2781 // TODO: Fix this. Only fail for the current user. 2782 if (apps == null || apps.isEmpty()) { 2783 return; 2784 } 2785 2786 // Create the ApplicationInfos 2787 for (int i = 0; i < apps.size(); i++) { 2788 LauncherActivityInfoCompat app = apps.get(i); 2789 // This builds the icon bitmaps. 2790 mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache)); 2791 } 2792 2793 final ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(mContext, user); 2794 if (heuristic != null) { 2795 runAfterBindCompletes(new Runnable() { 2796 2797 @Override 2798 public void run() { 2799 heuristic.processUserApps(apps); 2800 } 2801 }); 2802 } 2803 } 2804 // Huh? Shouldn't this be inside the Runnable below? 2805 final ArrayList<AppInfo> added = mBgAllAppsList.added; 2806 mBgAllAppsList.added = new ArrayList<AppInfo>(); 2807 2808 // Post callback on main thread 2809 mHandler.post(new Runnable() { 2810 public void run() { 2811 2812 final long bindTime = SystemClock.uptimeMillis(); 2813 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2814 if (callbacks != null) { 2815 callbacks.bindAllApplications(added); 2816 if (DEBUG_LOADERS) { 2817 Log.d(TAG, "bound " + added.size() + " apps in " 2818 + (SystemClock.uptimeMillis() - bindTime) + "ms"); 2819 } 2820 } else { 2821 Log.i(TAG, "not binding apps: no Launcher activity"); 2822 } 2823 } 2824 }); 2825 // Cleanup any data stored for a deleted user. 2826 ManagedProfileHeuristic.processAllUsers(profiles, mContext); 2827 2828 loadAndBindWidgetsAndShortcuts(mApp.getContext(), tryGetCallbacks(oldCallbacks), 2829 true /* refresh */); 2830 if (DEBUG_LOADERS) { 2831 Log.d(TAG, "Icons processed in " 2832 + (SystemClock.uptimeMillis() - loadTime) + "ms"); 2833 } 2834 } 2835 2836 public void dumpState() { 2837 synchronized (sBgLock) { 2838 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 2839 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 2840 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 2841 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 2842 } 2843 } 2844 } 2845 2846 /** 2847 * Called when the icons for packages have been updated in the icon cache. 2848 */ 2849 public void onPackageIconsUpdated(HashSet<String> updatedPackages, UserHandleCompat user) { 2850 final Callbacks callbacks = getCallback(); 2851 final ArrayList<AppInfo> updatedApps = new ArrayList<>(); 2852 final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>(); 2853 2854 // If any package icon has changed (app was updated while launcher was dead), 2855 // update the corresponding shortcuts. 2856 synchronized (sBgLock) { 2857 for (ItemInfo info : sBgItemsIdMap) { 2858 if (info instanceof ShortcutInfo && user.equals(info.user) 2859 && info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 2860 ShortcutInfo si = (ShortcutInfo) info; 2861 ComponentName cn = si.getTargetComponent(); 2862 if (cn != null && updatedPackages.contains(cn.getPackageName())) { 2863 si.updateIcon(mIconCache); 2864 updatedShortcuts.add(si); 2865 } 2866 } 2867 } 2868 mBgAllAppsList.updateIconsAndLabels(updatedPackages, user, updatedApps); 2869 } 2870 2871 if (!updatedShortcuts.isEmpty()) { 2872 final UserHandleCompat userFinal = user; 2873 mHandler.post(new Runnable() { 2874 2875 public void run() { 2876 Callbacks cb = getCallback(); 2877 if (cb != null && callbacks == cb) { 2878 cb.bindShortcutsChanged(updatedShortcuts, 2879 new ArrayList<ShortcutInfo>(), userFinal); 2880 } 2881 } 2882 }); 2883 } 2884 2885 if (!updatedApps.isEmpty()) { 2886 mHandler.post(new Runnable() { 2887 2888 public void run() { 2889 Callbacks cb = getCallback(); 2890 if (cb != null && callbacks == cb) { 2891 cb.bindAppsUpdated(updatedApps); 2892 } 2893 } 2894 }); 2895 } 2896 2897 // Reload widget list. No need to refresh, as we only want to update the icons and labels. 2898 loadAndBindWidgetsAndShortcuts(mApp.getContext(), callbacks, false); 2899 } 2900 2901 void enqueuePackageUpdated(PackageUpdatedTask task) { 2902 sWorker.post(task); 2903 } 2904 2905 @Thunk class AppsAvailabilityCheck extends BroadcastReceiver { 2906 2907 @Override 2908 public void onReceive(Context context, Intent intent) { 2909 synchronized (sBgLock) { 2910 final LauncherAppsCompat launcherApps = LauncherAppsCompat 2911 .getInstance(mApp.getContext()); 2912 final PackageManager manager = context.getPackageManager(); 2913 final ArrayList<String> packagesRemoved = new ArrayList<String>(); 2914 final ArrayList<String> packagesUnavailable = new ArrayList<String>(); 2915 for (Entry<UserHandleCompat, HashSet<String>> entry : sPendingPackages.entrySet()) { 2916 UserHandleCompat user = entry.getKey(); 2917 packagesRemoved.clear(); 2918 packagesUnavailable.clear(); 2919 for (String pkg : entry.getValue()) { 2920 if (!launcherApps.isPackageEnabledForProfile(pkg, user)) { 2921 boolean packageOnSdcard = launcherApps.isAppEnabled( 2922 manager, pkg, PackageManager.GET_UNINSTALLED_PACKAGES); 2923 if (packageOnSdcard) { 2924 Launcher.addDumpLog(TAG, "Package found on sd-card: " + pkg, true); 2925 packagesUnavailable.add(pkg); 2926 } else { 2927 Launcher.addDumpLog(TAG, "Package not found: " + pkg, true); 2928 packagesRemoved.add(pkg); 2929 } 2930 } 2931 } 2932 if (!packagesRemoved.isEmpty()) { 2933 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_REMOVE, 2934 packagesRemoved.toArray(new String[packagesRemoved.size()]), user)); 2935 } 2936 if (!packagesUnavailable.isEmpty()) { 2937 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UNAVAILABLE, 2938 packagesUnavailable.toArray(new String[packagesUnavailable.size()]), user)); 2939 } 2940 } 2941 sPendingPackages.clear(); 2942 } 2943 } 2944 } 2945 2946 private class PackageUpdatedTask implements Runnable { 2947 int mOp; 2948 String[] mPackages; 2949 UserHandleCompat mUser; 2950 2951 public static final int OP_NONE = 0; 2952 public static final int OP_ADD = 1; 2953 public static final int OP_UPDATE = 2; 2954 public static final int OP_REMOVE = 3; // uninstlled 2955 public static final int OP_UNAVAILABLE = 4; // external media unmounted 2956 2957 2958 public PackageUpdatedTask(int op, String[] packages, UserHandleCompat user) { 2959 mOp = op; 2960 mPackages = packages; 2961 mUser = user; 2962 } 2963 2964 public void run() { 2965 if (!mHasLoaderCompletedOnce) { 2966 // Loader has not yet run. 2967 return; 2968 } 2969 final Context context = mApp.getContext(); 2970 2971 final String[] packages = mPackages; 2972 final int N = packages.length; 2973 switch (mOp) { 2974 case OP_ADD: { 2975 for (int i=0; i<N; i++) { 2976 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 2977 mIconCache.updateIconsForPkg(packages[i], mUser); 2978 mBgAllAppsList.addPackage(context, packages[i], mUser); 2979 } 2980 2981 ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser); 2982 if (heuristic != null) { 2983 heuristic.processPackageAdd(mPackages); 2984 } 2985 break; 2986 } 2987 case OP_UPDATE: 2988 for (int i=0; i<N; i++) { 2989 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 2990 mIconCache.updateIconsForPkg(packages[i], mUser); 2991 mBgAllAppsList.updatePackage(context, packages[i], mUser); 2992 mApp.getWidgetCache().removePackage(packages[i], mUser); 2993 } 2994 break; 2995 case OP_REMOVE: { 2996 ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser); 2997 if (heuristic != null) { 2998 heuristic.processPackageRemoved(mPackages); 2999 } 3000 for (int i=0; i<N; i++) { 3001 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 3002 mIconCache.removeIconsForPkg(packages[i], mUser); 3003 } 3004 // Fall through 3005 } 3006 case OP_UNAVAILABLE: 3007 for (int i=0; i<N; i++) { 3008 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 3009 mBgAllAppsList.removePackage(packages[i], mUser); 3010 mApp.getWidgetCache().removePackage(packages[i], mUser); 3011 } 3012 break; 3013 } 3014 3015 ArrayList<AppInfo> added = null; 3016 ArrayList<AppInfo> modified = null; 3017 final ArrayList<AppInfo> removedApps = new ArrayList<AppInfo>(); 3018 3019 if (mBgAllAppsList.added.size() > 0) { 3020 added = new ArrayList<AppInfo>(mBgAllAppsList.added); 3021 mBgAllAppsList.added.clear(); 3022 } 3023 if (mBgAllAppsList.modified.size() > 0) { 3024 modified = new ArrayList<AppInfo>(mBgAllAppsList.modified); 3025 mBgAllAppsList.modified.clear(); 3026 } 3027 if (mBgAllAppsList.removed.size() > 0) { 3028 removedApps.addAll(mBgAllAppsList.removed); 3029 mBgAllAppsList.removed.clear(); 3030 } 3031 3032 final Callbacks callbacks = getCallback(); 3033 if (callbacks == null) { 3034 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 3035 return; 3036 } 3037 3038 final HashMap<ComponentName, AppInfo> addedOrUpdatedApps = 3039 new HashMap<ComponentName, AppInfo>(); 3040 3041 if (added != null) { 3042 addAppsToAllApps(context, added); 3043 for (AppInfo ai : added) { 3044 addedOrUpdatedApps.put(ai.componentName, ai); 3045 } 3046 } 3047 3048 if (modified != null) { 3049 final ArrayList<AppInfo> modifiedFinal = modified; 3050 for (AppInfo ai : modified) { 3051 addedOrUpdatedApps.put(ai.componentName, ai); 3052 } 3053 3054 mHandler.post(new Runnable() { 3055 public void run() { 3056 Callbacks cb = getCallback(); 3057 if (callbacks == cb && cb != null) { 3058 callbacks.bindAppsUpdated(modifiedFinal); 3059 } 3060 } 3061 }); 3062 } 3063 3064 // Update shortcut infos 3065 if (mOp == OP_ADD || mOp == OP_UPDATE) { 3066 final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<ShortcutInfo>(); 3067 final ArrayList<ShortcutInfo> removedShortcuts = new ArrayList<ShortcutInfo>(); 3068 final ArrayList<LauncherAppWidgetInfo> widgets = new ArrayList<LauncherAppWidgetInfo>(); 3069 3070 HashSet<String> packageSet = new HashSet<String>(Arrays.asList(packages)); 3071 synchronized (sBgLock) { 3072 for (ItemInfo info : sBgItemsIdMap) { 3073 if (info instanceof ShortcutInfo && mUser.equals(info.user)) { 3074 ShortcutInfo si = (ShortcutInfo) info; 3075 boolean infoUpdated = false; 3076 boolean shortcutUpdated = false; 3077 3078 // Update shortcuts which use iconResource. 3079 if ((si.iconResource != null) 3080 && packageSet.contains(si.iconResource.packageName)) { 3081 Bitmap icon = Utilities.createIconBitmap( 3082 si.iconResource.packageName, 3083 si.iconResource.resourceName, context); 3084 if (icon != null) { 3085 si.setIcon(icon); 3086 si.usingFallbackIcon = false; 3087 infoUpdated = true; 3088 } 3089 } 3090 3091 ComponentName cn = si.getTargetComponent(); 3092 if (cn != null && packageSet.contains(cn.getPackageName())) { 3093 AppInfo appInfo = addedOrUpdatedApps.get(cn); 3094 3095 if (si.isPromise()) { 3096 if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { 3097 // Auto install icon 3098 PackageManager pm = context.getPackageManager(); 3099 ResolveInfo matched = pm.resolveActivity( 3100 new Intent(Intent.ACTION_MAIN) 3101 .setComponent(cn).addCategory(Intent.CATEGORY_LAUNCHER), 3102 PackageManager.MATCH_DEFAULT_ONLY); 3103 if (matched == null) { 3104 // Try to find the best match activity. 3105 Intent intent = pm.getLaunchIntentForPackage( 3106 cn.getPackageName()); 3107 if (intent != null) { 3108 cn = intent.getComponent(); 3109 appInfo = addedOrUpdatedApps.get(cn); 3110 } 3111 3112 if ((intent == null) || (appInfo == null)) { 3113 removedShortcuts.add(si); 3114 continue; 3115 } 3116 si.promisedIntent = intent; 3117 } 3118 } 3119 3120 // Restore the shortcut. 3121 if (appInfo != null) { 3122 si.flags = appInfo.flags; 3123 } 3124 3125 si.intent = si.promisedIntent; 3126 si.promisedIntent = null; 3127 si.status = ShortcutInfo.DEFAULT; 3128 infoUpdated = true; 3129 si.updateIcon(mIconCache); 3130 } 3131 3132 if (appInfo != null && Intent.ACTION_MAIN.equals(si.intent.getAction()) 3133 && si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 3134 si.updateIcon(mIconCache); 3135 si.title = Utilities.trim(appInfo.title); 3136 si.contentDescription = appInfo.contentDescription; 3137 infoUpdated = true; 3138 } 3139 3140 if ((si.isDisabled & ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE) != 0) { 3141 // Since package was just updated, the target must be available now. 3142 si.isDisabled &= ~ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 3143 shortcutUpdated = true; 3144 } 3145 } 3146 3147 if (infoUpdated || shortcutUpdated) { 3148 updatedShortcuts.add(si); 3149 } 3150 if (infoUpdated) { 3151 updateItemInDatabase(context, si); 3152 } 3153 } else if (info instanceof LauncherAppWidgetInfo) { 3154 LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo) info; 3155 if (mUser.equals(widgetInfo.user) 3156 && widgetInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) 3157 && packageSet.contains(widgetInfo.providerName.getPackageName())) { 3158 widgetInfo.restoreStatus &= ~LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY; 3159 widgets.add(widgetInfo); 3160 updateItemInDatabase(context, widgetInfo); 3161 } 3162 } 3163 } 3164 } 3165 3166 if (!updatedShortcuts.isEmpty() || !removedShortcuts.isEmpty()) { 3167 mHandler.post(new Runnable() { 3168 3169 public void run() { 3170 Callbacks cb = getCallback(); 3171 if (callbacks == cb && cb != null) { 3172 callbacks.bindShortcutsChanged( 3173 updatedShortcuts, removedShortcuts, mUser); 3174 } 3175 } 3176 }); 3177 if (!removedShortcuts.isEmpty()) { 3178 deleteItemsFromDatabase(context, removedShortcuts); 3179 } 3180 } 3181 if (!widgets.isEmpty()) { 3182 mHandler.post(new Runnable() { 3183 public void run() { 3184 Callbacks cb = getCallback(); 3185 if (callbacks == cb && cb != null) { 3186 callbacks.bindWidgetsRestored(widgets); 3187 } 3188 } 3189 }); 3190 } 3191 } 3192 3193 final ArrayList<String> removedPackageNames = 3194 new ArrayList<String>(); 3195 if (mOp == OP_REMOVE || mOp == OP_UNAVAILABLE) { 3196 // Mark all packages in the broadcast to be removed 3197 removedPackageNames.addAll(Arrays.asList(packages)); 3198 } else if (mOp == OP_UPDATE) { 3199 // Mark disabled packages in the broadcast to be removed 3200 for (int i=0; i<N; i++) { 3201 if (isPackageDisabled(context, packages[i], mUser)) { 3202 removedPackageNames.add(packages[i]); 3203 } 3204 } 3205 } 3206 3207 if (!removedPackageNames.isEmpty() || !removedApps.isEmpty()) { 3208 final int removeReason; 3209 if (mOp == OP_UNAVAILABLE) { 3210 removeReason = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 3211 } else { 3212 // Remove all the components associated with this package 3213 for (String pn : removedPackageNames) { 3214 deletePackageFromDatabase(context, pn, mUser); 3215 } 3216 // Remove all the specific components 3217 for (AppInfo a : removedApps) { 3218 ArrayList<ItemInfo> infos = getItemInfoForComponentName(a.componentName, mUser); 3219 deleteItemsFromDatabase(context, infos); 3220 } 3221 removeReason = 0; 3222 } 3223 3224 // Remove any queued items from the install queue 3225 InstallShortcutReceiver.removeFromInstallQueue(context, removedPackageNames, mUser); 3226 // Call the components-removed callback 3227 mHandler.post(new Runnable() { 3228 public void run() { 3229 Callbacks cb = getCallback(); 3230 if (callbacks == cb && cb != null) { 3231 callbacks.bindComponentsRemoved( 3232 removedPackageNames, removedApps, mUser, removeReason); 3233 } 3234 } 3235 }); 3236 } 3237 3238 // onProvidersChanged method (API >= 17) already refreshed the widget list 3239 loadAndBindWidgetsAndShortcuts(context, callbacks, Build.VERSION.SDK_INT < 17); 3240 3241 // Write all the logs to disk 3242 mHandler.post(new Runnable() { 3243 public void run() { 3244 Callbacks cb = getCallback(); 3245 if (callbacks == cb && cb != null) { 3246 callbacks.dumpLogsToLocalData(); 3247 } 3248 } 3249 }); 3250 } 3251 } 3252 3253 public static List<LauncherAppWidgetProviderInfo> getWidgetProviders(Context context, 3254 boolean refresh) { 3255 ArrayList<LauncherAppWidgetProviderInfo> results = 3256 new ArrayList<LauncherAppWidgetProviderInfo>(); 3257 try { 3258 synchronized (sBgLock) { 3259 if (sBgWidgetProviders == null || refresh) { 3260 HashMap<ComponentKey, LauncherAppWidgetProviderInfo> tmpWidgetProviders 3261 = new HashMap<>(); 3262 AppWidgetManagerCompat wm = AppWidgetManagerCompat.getInstance(context); 3263 LauncherAppWidgetProviderInfo info; 3264 3265 List<AppWidgetProviderInfo> widgets = wm.getAllProviders(); 3266 for (AppWidgetProviderInfo pInfo : widgets) { 3267 info = LauncherAppWidgetProviderInfo.fromProviderInfo(context, pInfo); 3268 UserHandleCompat user = wm.getUser(info); 3269 tmpWidgetProviders.put(new ComponentKey(info.provider, user), info); 3270 } 3271 3272 Collection<CustomAppWidget> customWidgets = Launcher.getCustomAppWidgets().values(); 3273 for (CustomAppWidget widget : customWidgets) { 3274 info = new LauncherAppWidgetProviderInfo(context, widget); 3275 UserHandleCompat user = wm.getUser(info); 3276 tmpWidgetProviders.put(new ComponentKey(info.provider, user), info); 3277 } 3278 // Replace the global list at the very end, so that if there is an exception, 3279 // previously loaded provider list is used. 3280 sBgWidgetProviders = tmpWidgetProviders; 3281 } 3282 results.addAll(sBgWidgetProviders.values()); 3283 return results; 3284 } 3285 } catch (Exception e) { 3286 if (e.getCause() instanceof TransactionTooLargeException) { 3287 // the returned value may be incomplete and will not be refreshed until the next 3288 // time Launcher starts. 3289 // TODO: after figuring out a repro step, introduce a dirty bit to check when 3290 // onResume is called to refresh the widget provider list. 3291 synchronized (sBgLock) { 3292 if (sBgWidgetProviders != null) { 3293 results.addAll(sBgWidgetProviders.values()); 3294 } 3295 return results; 3296 } 3297 } else { 3298 throw e; 3299 } 3300 } 3301 } 3302 3303 public static LauncherAppWidgetProviderInfo getProviderInfo(Context ctx, ComponentName name, 3304 UserHandleCompat user) { 3305 synchronized (sBgLock) { 3306 if (sBgWidgetProviders == null) { 3307 getWidgetProviders(ctx, false /* refresh */); 3308 } 3309 return sBgWidgetProviders.get(new ComponentKey(name, user)); 3310 } 3311 } 3312 3313 public void loadAndBindWidgetsAndShortcuts(final Context context, final Callbacks callbacks, 3314 final boolean refresh) { 3315 3316 runOnWorkerThread(new Runnable() { 3317 @Override 3318 public void run() { 3319 updateWidgetsModel(context, refresh); 3320 final WidgetsModel model = mBgWidgetsModel.clone(); 3321 3322 mHandler.post(new Runnable() { 3323 @Override 3324 public void run() { 3325 Callbacks cb = getCallback(); 3326 if (callbacks == cb && cb != null) { 3327 callbacks.bindAllPackages(model); 3328 } 3329 } 3330 }); 3331 // update the Widget entries inside DB on the worker thread. 3332 LauncherAppState.getInstance().getWidgetCache().removeObsoletePreviews( 3333 model.getRawList()); 3334 } 3335 }); 3336 } 3337 3338 /** 3339 * Returns a list of ResolveInfos/AppWidgetInfos. 3340 * 3341 * @see #loadAndBindWidgetsAndShortcuts 3342 */ 3343 @Thunk void updateWidgetsModel(Context context, boolean refresh) { 3344 PackageManager packageManager = context.getPackageManager(); 3345 final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>(); 3346 widgetsAndShortcuts.addAll(getWidgetProviders(context, refresh)); 3347 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 3348 widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0)); 3349 mBgWidgetsModel.setWidgetsAndShortcuts(widgetsAndShortcuts); 3350 } 3351 3352 @Thunk static boolean isPackageDisabled(Context context, String packageName, 3353 UserHandleCompat user) { 3354 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3355 return !launcherApps.isPackageEnabledForProfile(packageName, user); 3356 } 3357 3358 public static boolean isValidPackageActivity(Context context, ComponentName cn, 3359 UserHandleCompat user) { 3360 if (cn == null) { 3361 return false; 3362 } 3363 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3364 if (!launcherApps.isPackageEnabledForProfile(cn.getPackageName(), user)) { 3365 return false; 3366 } 3367 return launcherApps.isActivityEnabledForProfile(cn, user); 3368 } 3369 3370 public static boolean isValidPackage(Context context, String packageName, 3371 UserHandleCompat user) { 3372 if (packageName == null) { 3373 return false; 3374 } 3375 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3376 return launcherApps.isPackageEnabledForProfile(packageName, user); 3377 } 3378 3379 /** 3380 * Make an ShortcutInfo object for a restored application or shortcut item that points 3381 * to a package that is not yet installed on the system. 3382 */ 3383 public ShortcutInfo getRestoredItemInfo(Cursor c, int titleIndex, Intent intent, 3384 int promiseType, int itemType, CursorIconInfo iconInfo, Context context) { 3385 final ShortcutInfo info = new ShortcutInfo(); 3386 info.user = UserHandleCompat.myUserHandle(); 3387 3388 Bitmap icon = iconInfo.loadIcon(c, info, context); 3389 // the fallback icon 3390 if (icon == null) { 3391 mIconCache.getTitleAndIcon(info, intent, info.user, false /* useLowResIcon */); 3392 } else { 3393 info.setIcon(icon); 3394 } 3395 3396 if ((promiseType & ShortcutInfo.FLAG_RESTORED_ICON) != 0) { 3397 String title = (c != null) ? c.getString(titleIndex) : null; 3398 if (!TextUtils.isEmpty(title)) { 3399 info.title = Utilities.trim(title); 3400 } 3401 } else if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { 3402 if (TextUtils.isEmpty(info.title)) { 3403 info.title = (c != null) ? Utilities.trim(c.getString(titleIndex)) : ""; 3404 } 3405 } else { 3406 throw new InvalidParameterException("Invalid restoreType " + promiseType); 3407 } 3408 3409 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3410 info.itemType = itemType; 3411 info.promisedIntent = intent; 3412 info.status = promiseType; 3413 return info; 3414 } 3415 3416 /** 3417 * Make an Intent object for a restored application or shortcut item that points 3418 * to the market page for the item. 3419 */ 3420 @Thunk Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) { 3421 ComponentName componentName = intent.getComponent(); 3422 return getMarketIntent(componentName.getPackageName()); 3423 } 3424 3425 static Intent getMarketIntent(String packageName) { 3426 return new Intent(Intent.ACTION_VIEW) 3427 .setData(new Uri.Builder() 3428 .scheme("market") 3429 .authority("details") 3430 .appendQueryParameter("id", packageName) 3431 .build()); 3432 } 3433 3434 /** 3435 * Make an ShortcutInfo object for a shortcut that is an application. 3436 * 3437 * If c is not null, then it will be used to fill in missing data like the title and icon. 3438 */ 3439 public ShortcutInfo getAppShortcutInfo(PackageManager manager, Intent intent, 3440 UserHandleCompat user, Context context, Cursor c, int iconIndex, int titleIndex, 3441 boolean allowMissingTarget, boolean useLowResIcon) { 3442 if (user == null) { 3443 Log.d(TAG, "Null user found in getShortcutInfo"); 3444 return null; 3445 } 3446 3447 ComponentName componentName = intent.getComponent(); 3448 if (componentName == null) { 3449 Log.d(TAG, "Missing component found in getShortcutInfo: " + componentName); 3450 return null; 3451 } 3452 3453 Intent newIntent = new Intent(intent.getAction(), null); 3454 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 3455 newIntent.setComponent(componentName); 3456 LauncherActivityInfoCompat lai = mLauncherApps.resolveActivity(newIntent, user); 3457 if ((lai == null) && !allowMissingTarget) { 3458 Log.d(TAG, "Missing activity found in getShortcutInfo: " + componentName); 3459 return null; 3460 } 3461 3462 final ShortcutInfo info = new ShortcutInfo(); 3463 mIconCache.getTitleAndIcon(info, componentName, lai, user, false, useLowResIcon); 3464 if (mIconCache.isDefaultIcon(info.getIcon(mIconCache), user) && c != null) { 3465 Bitmap icon = Utilities.createIconBitmap(c, iconIndex, context); 3466 info.setIcon(icon == null ? mIconCache.getDefaultIcon(user) : icon); 3467 } 3468 3469 // from the db 3470 if (TextUtils.isEmpty(info.title) && c != null) { 3471 info.title = Utilities.trim(c.getString(titleIndex)); 3472 } 3473 3474 // fall back to the class name of the activity 3475 if (info.title == null) { 3476 info.title = componentName.getClassName(); 3477 } 3478 3479 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 3480 info.user = user; 3481 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3482 if (lai != null) { 3483 info.flags = AppInfo.initFlags(lai); 3484 } 3485 return info; 3486 } 3487 3488 static ArrayList<ItemInfo> filterItemInfos(Iterable<ItemInfo> infos, 3489 ItemInfoFilter f) { 3490 HashSet<ItemInfo> filtered = new HashSet<ItemInfo>(); 3491 for (ItemInfo i : infos) { 3492 if (i instanceof ShortcutInfo) { 3493 ShortcutInfo info = (ShortcutInfo) i; 3494 ComponentName cn = info.getTargetComponent(); 3495 if (cn != null && f.filterItem(null, info, cn)) { 3496 filtered.add(info); 3497 } 3498 } else if (i instanceof FolderInfo) { 3499 FolderInfo info = (FolderInfo) i; 3500 for (ShortcutInfo s : info.contents) { 3501 ComponentName cn = s.getTargetComponent(); 3502 if (cn != null && f.filterItem(info, s, cn)) { 3503 filtered.add(s); 3504 } 3505 } 3506 } else if (i instanceof LauncherAppWidgetInfo) { 3507 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; 3508 ComponentName cn = info.providerName; 3509 if (cn != null && f.filterItem(null, info, cn)) { 3510 filtered.add(info); 3511 } 3512 } 3513 } 3514 return new ArrayList<ItemInfo>(filtered); 3515 } 3516 3517 @Thunk ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname, 3518 final UserHandleCompat user) { 3519 ItemInfoFilter filter = new ItemInfoFilter() { 3520 @Override 3521 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 3522 if (info.user == null) { 3523 return cn.equals(cname); 3524 } else { 3525 return cn.equals(cname) && info.user.equals(user); 3526 } 3527 } 3528 }; 3529 return filterItemInfos(sBgItemsIdMap, filter); 3530 } 3531 3532 /** 3533 * Make an ShortcutInfo object for a shortcut that isn't an application. 3534 */ 3535 @Thunk ShortcutInfo getShortcutInfo(Cursor c, Context context, 3536 int titleIndex, CursorIconInfo iconInfo) { 3537 final ShortcutInfo info = new ShortcutInfo(); 3538 // Non-app shortcuts are only supported for current user. 3539 info.user = UserHandleCompat.myUserHandle(); 3540 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 3541 3542 // TODO: If there's an explicit component and we can't install that, delete it. 3543 3544 info.title = Utilities.trim(c.getString(titleIndex)); 3545 3546 Bitmap icon = iconInfo.loadIcon(c, info, context); 3547 // the fallback icon 3548 if (icon == null) { 3549 icon = mIconCache.getDefaultIcon(info.user); 3550 info.usingFallbackIcon = true; 3551 } 3552 info.setIcon(icon); 3553 return info; 3554 } 3555 3556 ShortcutInfo infoFromShortcutIntent(Context context, Intent data) { 3557 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 3558 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 3559 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 3560 3561 if (intent == null) { 3562 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 3563 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 3564 return null; 3565 } 3566 3567 Bitmap icon = null; 3568 boolean customIcon = false; 3569 ShortcutIconResource iconResource = null; 3570 3571 if (bitmap instanceof Bitmap) { 3572 icon = Utilities.createIconBitmap((Bitmap) bitmap, context); 3573 customIcon = true; 3574 } else { 3575 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 3576 if (extra instanceof ShortcutIconResource) { 3577 iconResource = (ShortcutIconResource) extra; 3578 icon = Utilities.createIconBitmap(iconResource.packageName, 3579 iconResource.resourceName, context); 3580 } 3581 } 3582 3583 final ShortcutInfo info = new ShortcutInfo(); 3584 3585 // Only support intents for current user for now. Intents sent from other 3586 // users wouldn't get here without intent forwarding anyway. 3587 info.user = UserHandleCompat.myUserHandle(); 3588 if (icon == null) { 3589 icon = mIconCache.getDefaultIcon(info.user); 3590 info.usingFallbackIcon = true; 3591 } 3592 info.setIcon(icon); 3593 3594 info.title = Utilities.trim(name); 3595 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3596 info.intent = intent; 3597 info.customIcon = customIcon; 3598 info.iconResource = iconResource; 3599 3600 return info; 3601 } 3602 3603 /** 3604 * Return an existing FolderInfo object if we have encountered this ID previously, 3605 * or make a new one. 3606 */ 3607 @Thunk static FolderInfo findOrMakeFolder(LongArrayMap<FolderInfo> folders, long id) { 3608 // See if a placeholder was created for us already 3609 FolderInfo folderInfo = folders.get(id); 3610 if (folderInfo == null) { 3611 // No placeholder -- create a new instance 3612 folderInfo = new FolderInfo(); 3613 folders.put(id, folderInfo); 3614 } 3615 return folderInfo; 3616 } 3617 3618 3619 static boolean isValidProvider(AppWidgetProviderInfo provider) { 3620 return (provider != null) && (provider.provider != null) 3621 && (provider.provider.getPackageName() != null); 3622 } 3623 3624 public void dumpState() { 3625 Log.d(TAG, "mCallbacks=" + mCallbacks); 3626 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 3627 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 3628 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 3629 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 3630 if (mLoaderTask != null) { 3631 mLoaderTask.dumpState(); 3632 } else { 3633 Log.d(TAG, "mLoaderTask=null"); 3634 } 3635 } 3636 3637 public Callbacks getCallback() { 3638 return mCallbacks != null ? mCallbacks.get() : null; 3639 } 3640 3641 /** 3642 * @return {@link FolderInfo} if its already loaded. 3643 */ 3644 public FolderInfo findFolderById(Long folderId) { 3645 synchronized (sBgLock) { 3646 return sBgFolders.get(folderId); 3647 } 3648 } 3649 3650 /** 3651 * @return the looper for the worker thread which can be used to start background tasks. 3652 */ 3653 public static Looper getWorkerLooper() { 3654 return sWorkerThread.getLooper(); 3655 } 3656 } 3657