LauncherModel.java revision 79afe010d55af6b1753430a334bf6e24448e9375
1/* 2 * Copyright (C) 2008 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.launcher3; 18 19import android.app.SearchManager; 20import android.appwidget.AppWidgetManager; 21import android.appwidget.AppWidgetProviderInfo; 22import android.content.BroadcastReceiver; 23import android.content.ComponentName; 24import android.content.ContentProviderOperation; 25import android.content.ContentResolver; 26import android.content.ContentValues; 27import android.content.Context; 28import android.content.Intent; 29import android.content.Intent.ShortcutIconResource; 30import android.content.IntentFilter; 31import android.content.pm.PackageManager; 32import android.content.pm.ProviderInfo; 33import android.content.pm.ResolveInfo; 34import android.database.Cursor; 35import android.graphics.Bitmap; 36import android.net.Uri; 37import android.os.DeadObjectException; 38import android.os.Environment; 39import android.os.Handler; 40import android.os.HandlerThread; 41import android.os.Looper; 42import android.os.Parcelable; 43import android.os.Process; 44import android.os.SystemClock; 45import android.os.TransactionTooLargeException; 46import android.provider.BaseColumns; 47import android.text.TextUtils; 48import android.util.Log; 49import android.util.LongSparseArray; 50import android.util.Pair; 51 52import com.android.launcher3.compat.AppWidgetManagerCompat; 53import com.android.launcher3.compat.LauncherActivityInfoCompat; 54import com.android.launcher3.compat.LauncherAppsCompat; 55import com.android.launcher3.compat.PackageInstallerCompat; 56import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo; 57import com.android.launcher3.compat.UserHandleCompat; 58import com.android.launcher3.compat.UserManagerCompat; 59import com.android.launcher3.model.MigrateFromRestoreTask; 60import com.android.launcher3.model.WidgetsModel; 61import com.android.launcher3.util.ComponentKey; 62import com.android.launcher3.util.CursorIconInfo; 63import com.android.launcher3.util.LongArrayMap; 64import com.android.launcher3.util.ManagedProfileHeuristic; 65import com.android.launcher3.util.Thunk; 66 67import java.lang.ref.WeakReference; 68import java.net.URISyntaxException; 69import java.security.InvalidParameterException; 70import java.util.ArrayList; 71import java.util.Arrays; 72import java.util.Collection; 73import java.util.Collections; 74import java.util.Comparator; 75import java.util.HashMap; 76import java.util.HashSet; 77import java.util.Iterator; 78import java.util.List; 79import java.util.Map.Entry; 80import java.util.Set; 81 82/** 83 * Maintains in-memory state of the Launcher. It is expected that there should be only one 84 * LauncherModel object held in a static. Also provide APIs for updating the database state 85 * for the Launcher. 86 */ 87public class LauncherModel extends BroadcastReceiver 88 implements LauncherAppsCompat.OnAppsChangedCallbackCompat { 89 static final boolean DEBUG_LOADERS = false; 90 private static final boolean DEBUG_RECEIVER = false; 91 private static final boolean REMOVE_UNRESTORED_ICONS = true; 92 93 static final String TAG = "Launcher.Model"; 94 95 public static final int LOADER_FLAG_NONE = 0; 96 public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0; 97 public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1; 98 99 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 100 private static final long INVALID_SCREEN_ID = -1L; 101 102 @Thunk final boolean mAppsCanBeOnRemoveableStorage; 103 private final boolean mOldContentProviderExists; 104 105 @Thunk final LauncherAppState mApp; 106 @Thunk final Object mLock = new Object(); 107 @Thunk DeferredHandler mHandler = new DeferredHandler(); 108 @Thunk LoaderTask mLoaderTask; 109 @Thunk boolean mIsLoaderTaskRunning; 110 @Thunk boolean mHasLoaderCompletedOnce; 111 112 private static final String MIGRATE_AUTHORITY = "com.android.launcher2.settings"; 113 114 @Thunk static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 115 static { 116 sWorkerThread.start(); 117 } 118 @Thunk static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 119 120 // We start off with everything not loaded. After that, we assume that 121 // our monitoring of the package manager provides all updates and we never 122 // need to do a requery. These are only ever touched from the loader thread. 123 @Thunk boolean mWorkspaceLoaded; 124 @Thunk boolean mAllAppsLoaded; 125 126 // When we are loading pages synchronously, we can't just post the binding of items on the side 127 // pages as this delays the rotation process. Instead, we wait for a callback from the first 128 // draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start 129 // a normal load, we also clear this set of Runnables. 130 static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>(); 131 132 /** 133 * Set of runnables to be called on the background thread after the workspace binding 134 * is complete. 135 */ 136 static final ArrayList<Runnable> mBindCompleteRunnables = new ArrayList<Runnable>(); 137 138 @Thunk WeakReference<Callbacks> mCallbacks; 139 140 // < only access in worker thread > 141 AllAppsList mBgAllAppsList; 142 // Entire list of widgets. 143 WidgetsModel mBgWidgetsModel; 144 145 // The lock that must be acquired before referencing any static bg data structures. Unlike 146 // other locks, this one can generally be held long-term because we never expect any of these 147 // static data structures to be referenced outside of the worker thread except on the first 148 // load after configuration change. 149 static final Object sBgLock = new Object(); 150 151 // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 152 // LauncherModel to their ids 153 static final LongArrayMap<ItemInfo> sBgItemsIdMap = new LongArrayMap<>(); 154 155 // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts 156 // created by LauncherModel that are directly on the home screen (however, no widgets or 157 // shortcuts within folders). 158 static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>(); 159 160 // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 161 static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets = 162 new ArrayList<LauncherAppWidgetInfo>(); 163 164 // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 165 static final LongArrayMap<FolderInfo> sBgFolders = new LongArrayMap<>(); 166 167 // sBgWorkspaceScreens is the ordered set of workspace screens. 168 static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>(); 169 170 // sBgWidgetProviders is the set of widget providers including custom internal widgets 171 public static HashMap<ComponentKey, LauncherAppWidgetProviderInfo> sBgWidgetProviders; 172 173 // sPendingPackages is a set of packages which could be on sdcard and are not available yet 174 static final HashMap<UserHandleCompat, HashSet<String>> sPendingPackages = 175 new HashMap<UserHandleCompat, HashSet<String>>(); 176 177 // </ only access in worker thread > 178 179 @Thunk IconCache mIconCache; 180 181 @Thunk final LauncherAppsCompat mLauncherApps; 182 @Thunk final UserManagerCompat mUserManager; 183 184 public interface Callbacks { 185 public boolean setLoadOnResume(); 186 public int getCurrentWorkspaceScreen(); 187 public void startBinding(); 188 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end, 189 boolean forceAnimateIcons); 190 public void bindScreens(ArrayList<Long> orderedScreenIds); 191 public void bindAddScreens(ArrayList<Long> orderedScreenIds); 192 public void bindFolders(LongArrayMap<FolderInfo> folders); 193 public void finishBindingItems(); 194 public void bindAppWidget(LauncherAppWidgetInfo info); 195 public void bindAllApplications(ArrayList<AppInfo> apps); 196 public void bindAppsAdded(ArrayList<Long> newScreens, 197 ArrayList<ItemInfo> addNotAnimated, 198 ArrayList<ItemInfo> addAnimated, 199 ArrayList<AppInfo> addedApps); 200 public void bindAppsUpdated(ArrayList<AppInfo> apps); 201 public void bindShortcutsChanged(ArrayList<ShortcutInfo> updated, 202 ArrayList<ShortcutInfo> removed, UserHandleCompat user); 203 public void bindWidgetsRestored(ArrayList<LauncherAppWidgetInfo> widgets); 204 public void bindRestoreItemsChange(HashSet<ItemInfo> updates); 205 public void bindComponentsRemoved(ArrayList<String> packageNames, 206 ArrayList<AppInfo> appInfos, UserHandleCompat user, int reason); 207 public void bindAllPackages(WidgetsModel model); 208 public void bindSearchProviderChanged(); 209 public boolean isAllAppsButtonRank(int rank); 210 public void onPageBoundSynchronously(int page); 211 public void dumpLogsToLocalData(); 212 } 213 214 public interface ItemInfoFilter { 215 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn); 216 } 217 218 LauncherModel(LauncherAppState app, IconCache iconCache, AppFilter appFilter) { 219 Context context = app.getContext(); 220 221 mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable(); 222 String oldProvider = context.getString(R.string.old_launcher_provider_uri); 223 // This may be the same as MIGRATE_AUTHORITY, or it may be replaced by a different 224 // resource string. 225 String redirectAuthority = Uri.parse(oldProvider).getAuthority(); 226 ProviderInfo providerInfo = 227 context.getPackageManager().resolveContentProvider(MIGRATE_AUTHORITY, 0); 228 ProviderInfo redirectProvider = 229 context.getPackageManager().resolveContentProvider(redirectAuthority, 0); 230 231 Log.d(TAG, "Old launcher provider: " + oldProvider); 232 mOldContentProviderExists = (providerInfo != null) && (redirectProvider != null); 233 234 if (mOldContentProviderExists) { 235 Log.d(TAG, "Old launcher provider exists."); 236 } else { 237 Log.d(TAG, "Old launcher provider does not exist."); 238 } 239 240 mApp = app; 241 mBgAllAppsList = new AllAppsList(iconCache, appFilter); 242 mBgWidgetsModel = new WidgetsModel(context, iconCache, appFilter); 243 mIconCache = iconCache; 244 245 mLauncherApps = LauncherAppsCompat.getInstance(context); 246 mUserManager = UserManagerCompat.getInstance(context); 247 } 248 249 /** Runs the specified runnable immediately if called from the main thread, otherwise it is 250 * posted on the main thread handler. */ 251 @Thunk void runOnMainThread(Runnable r) { 252 if (sWorkerThread.getThreadId() == Process.myTid()) { 253 // If we are on the worker thread, post onto the main handler 254 mHandler.post(r); 255 } else { 256 r.run(); 257 } 258 } 259 260 /** Runs the specified runnable immediately if called from the worker thread, otherwise it is 261 * posted on the worker thread handler. */ 262 @Thunk static void runOnWorkerThread(Runnable r) { 263 if (sWorkerThread.getThreadId() == Process.myTid()) { 264 r.run(); 265 } else { 266 // If we are not on the worker thread, then post to the worker handler 267 sWorker.post(r); 268 } 269 } 270 271 boolean canMigrateFromOldLauncherDb(Launcher launcher) { 272 return mOldContentProviderExists && !launcher.isLauncherPreinstalled() ; 273 } 274 275 public void setPackageState(final PackageInstallInfo installInfo) { 276 Runnable updateRunnable = new Runnable() { 277 278 @Override 279 public void run() { 280 synchronized (sBgLock) { 281 final HashSet<ItemInfo> updates = new HashSet<>(); 282 283 if (installInfo.state == PackageInstallerCompat.STATUS_INSTALLED) { 284 // Ignore install success events as they are handled by Package add events. 285 return; 286 } 287 288 for (ItemInfo info : sBgItemsIdMap) { 289 if (info instanceof ShortcutInfo) { 290 ShortcutInfo si = (ShortcutInfo) info; 291 ComponentName cn = si.getTargetComponent(); 292 if (si.isPromise() && (cn != null) 293 && installInfo.packageName.equals(cn.getPackageName())) { 294 si.setInstallProgress(installInfo.progress); 295 296 if (installInfo.state == PackageInstallerCompat.STATUS_FAILED) { 297 // Mark this info as broken. 298 si.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; 299 } 300 updates.add(si); 301 } 302 } 303 } 304 305 for (LauncherAppWidgetInfo widget : sBgAppWidgets) { 306 if (widget.providerName.getPackageName().equals(installInfo.packageName)) { 307 widget.installProgress = installInfo.progress; 308 updates.add(widget); 309 } 310 } 311 312 if (!updates.isEmpty()) { 313 // Push changes to the callback. 314 Runnable r = new Runnable() { 315 public void run() { 316 Callbacks callbacks = getCallback(); 317 if (callbacks != null) { 318 callbacks.bindRestoreItemsChange(updates); 319 } 320 } 321 }; 322 mHandler.post(r); 323 } 324 } 325 } 326 }; 327 runOnWorkerThread(updateRunnable); 328 } 329 330 /** 331 * Updates the icons and label of all pending icons for the provided package name. 332 */ 333 public void updateSessionDisplayInfo(final String packageName) { 334 Runnable updateRunnable = new Runnable() { 335 336 @Override 337 public void run() { 338 synchronized (sBgLock) { 339 final ArrayList<ShortcutInfo> updates = new ArrayList<>(); 340 final UserHandleCompat user = UserHandleCompat.myUserHandle(); 341 342 for (ItemInfo info : sBgItemsIdMap) { 343 if (info instanceof ShortcutInfo) { 344 ShortcutInfo si = (ShortcutInfo) info; 345 ComponentName cn = si.getTargetComponent(); 346 if (si.isPromise() && (cn != null) 347 && packageName.equals(cn.getPackageName())) { 348 if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { 349 // For auto install apps update the icon as well as label. 350 mIconCache.getTitleAndIcon(si, 351 si.promisedIntent, user, 352 si.shouldUseLowResIcon()); 353 } else { 354 // Only update the icon for restored apps. 355 si.updateIcon(mIconCache); 356 } 357 updates.add(si); 358 } 359 } 360 } 361 362 if (!updates.isEmpty()) { 363 // Push changes to the callback. 364 Runnable r = new Runnable() { 365 public void run() { 366 Callbacks callbacks = getCallback(); 367 if (callbacks != null) { 368 callbacks.bindShortcutsChanged(updates, 369 new ArrayList<ShortcutInfo>(), user); 370 } 371 } 372 }; 373 mHandler.post(r); 374 } 375 } 376 } 377 }; 378 runOnWorkerThread(updateRunnable); 379 } 380 381 public void addAppsToAllApps(final Context ctx, final ArrayList<AppInfo> allAppsApps) { 382 final Callbacks callbacks = getCallback(); 383 384 if (allAppsApps == null) { 385 throw new RuntimeException("allAppsApps must not be null"); 386 } 387 if (allAppsApps.isEmpty()) { 388 return; 389 } 390 391 // Process the newly added applications and add them to the database first 392 Runnable r = new Runnable() { 393 public void run() { 394 runOnMainThread(new Runnable() { 395 public void run() { 396 Callbacks cb = getCallback(); 397 if (callbacks == cb && cb != null) { 398 callbacks.bindAppsAdded(null, null, null, allAppsApps); 399 } 400 } 401 }); 402 } 403 }; 404 runOnWorkerThread(r); 405 } 406 407 private static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> occupiedPos, 408 int[] xy, int spanX, int spanY) { 409 LauncherAppState app = LauncherAppState.getInstance(); 410 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 411 final int xCount = (int) profile.numColumns; 412 final int yCount = (int) profile.numRows; 413 boolean[][] occupied = new boolean[xCount][yCount]; 414 if (occupiedPos != null) { 415 for (ItemInfo r : occupiedPos) { 416 int right = r.cellX + r.spanX; 417 int bottom = r.cellY + r.spanY; 418 for (int x = r.cellX; 0 <= x && x < right && x < xCount; x++) { 419 for (int y = r.cellY; 0 <= y && y < bottom && y < yCount; y++) { 420 occupied[x][y] = true; 421 } 422 } 423 } 424 } 425 return Utilities.findVacantCell(xy, spanX, spanY, xCount, yCount, occupied); 426 } 427 428 /** 429 * Find a position on the screen for the given size or adds a new screen. 430 * @return screenId and the coordinates for the item. 431 */ 432 @Thunk Pair<Long, int[]> findSpaceForItem( 433 Context context, 434 ArrayList<Long> workspaceScreens, 435 ArrayList<Long> addedWorkspaceScreensFinal, 436 int spanX, int spanY) { 437 LongSparseArray<ArrayList<ItemInfo>> screenItems = new LongSparseArray<>(); 438 439 // Use sBgItemsIdMap as all the items are already loaded. 440 assertWorkspaceLoaded(); 441 synchronized (sBgLock) { 442 for (ItemInfo info : sBgItemsIdMap) { 443 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 444 ArrayList<ItemInfo> items = screenItems.get(info.screenId); 445 if (items == null) { 446 items = new ArrayList<>(); 447 screenItems.put(info.screenId, items); 448 } 449 items.add(info); 450 } 451 } 452 } 453 454 // Find appropriate space for the item. 455 long screenId = 0; 456 int[] cordinates = new int[2]; 457 boolean found = false; 458 459 int screenCount = workspaceScreens.size(); 460 // First check the preferred screen. 461 int preferredScreenIndex = workspaceScreens.isEmpty() ? 0 : 1; 462 if (preferredScreenIndex < screenCount) { 463 screenId = workspaceScreens.get(preferredScreenIndex); 464 found = findNextAvailableIconSpaceInScreen( 465 screenItems.get(screenId), cordinates, spanX, spanY); 466 } 467 468 if (!found) { 469 // Search on any of the screens starting from the first screen. 470 for (int screen = 1; screen < screenCount; screen++) { 471 screenId = workspaceScreens.get(screen); 472 if (findNextAvailableIconSpaceInScreen( 473 screenItems.get(screenId), cordinates, spanX, spanY)) { 474 // We found a space for it 475 found = true; 476 break; 477 } 478 } 479 } 480 481 if (!found) { 482 // Still no position found. Add a new screen to the end. 483 screenId = LauncherAppState.getLauncherProvider().generateNewScreenId(); 484 485 // Save the screen id for binding in the workspace 486 workspaceScreens.add(screenId); 487 addedWorkspaceScreensFinal.add(screenId); 488 489 // If we still can't find an empty space, then God help us all!!! 490 if (!findNextAvailableIconSpaceInScreen( 491 screenItems.get(screenId), cordinates, spanX, spanY)) { 492 throw new RuntimeException("Can't find space to add the item"); 493 } 494 } 495 return Pair.create(screenId, cordinates); 496 } 497 498 /** 499 * Adds the provided items to the workspace. 500 */ 501 public void addAndBindAddedWorkspaceItems(final Context context, 502 final ArrayList<? extends ItemInfo> workspaceApps) { 503 final Callbacks callbacks = getCallback(); 504 if (workspaceApps.isEmpty()) { 505 return; 506 } 507 // Process the newly added applications and add them to the database first 508 Runnable r = new Runnable() { 509 public void run() { 510 final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>(); 511 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>(); 512 513 // Get the list of workspace screens. We need to append to this list and 514 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been 515 // called. 516 ArrayList<Long> workspaceScreens = loadWorkspaceScreensDb(context); 517 synchronized(sBgLock) { 518 for (ItemInfo item : workspaceApps) { 519 if (item instanceof ShortcutInfo) { 520 // Short-circuit this logic if the icon exists somewhere on the workspace 521 if (shortcutExists(context, item.getIntent(), item.user)) { 522 continue; 523 } 524 } 525 526 // Find appropriate space for the item. 527 Pair<Long, int[]> coords = findSpaceForItem(context, 528 workspaceScreens, addedWorkspaceScreensFinal, 529 1, 1); 530 long screenId = coords.first; 531 int[] cordinates = coords.second; 532 533 ItemInfo itemInfo; 534 if (item instanceof ShortcutInfo || item instanceof FolderInfo) { 535 itemInfo = item; 536 } else if (item instanceof AppInfo) { 537 itemInfo = ((AppInfo) item).makeShortcut(); 538 } else { 539 throw new RuntimeException("Unexpected info type"); 540 } 541 542 // Add the shortcut to the db 543 addItemToDatabase(context, itemInfo, 544 LauncherSettings.Favorites.CONTAINER_DESKTOP, 545 screenId, cordinates[0], cordinates[1]); 546 // Save the ShortcutInfo for binding in the workspace 547 addedShortcutsFinal.add(itemInfo); 548 } 549 } 550 551 // Update the workspace screens 552 updateWorkspaceScreenOrder(context, workspaceScreens); 553 554 if (!addedShortcutsFinal.isEmpty()) { 555 runOnMainThread(new Runnable() { 556 public void run() { 557 Callbacks cb = getCallback(); 558 if (callbacks == cb && cb != null) { 559 final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>(); 560 final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>(); 561 if (!addedShortcutsFinal.isEmpty()) { 562 ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1); 563 long lastScreenId = info.screenId; 564 for (ItemInfo i : addedShortcutsFinal) { 565 if (i.screenId == lastScreenId) { 566 addAnimated.add(i); 567 } else { 568 addNotAnimated.add(i); 569 } 570 } 571 } 572 callbacks.bindAppsAdded(addedWorkspaceScreensFinal, 573 addNotAnimated, addAnimated, null); 574 } 575 } 576 }); 577 } 578 } 579 }; 580 runOnWorkerThread(r); 581 } 582 583 private void unbindItemInfosAndClearQueuedBindRunnables() { 584 if (sWorkerThread.getThreadId() == Process.myTid()) { 585 throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + 586 "main thread"); 587 } 588 589 // Clear any deferred bind runnables 590 synchronized (mDeferredBindRunnables) { 591 mDeferredBindRunnables.clear(); 592 } 593 594 // Remove any queued UI runnables 595 mHandler.cancelAll(); 596 // Unbind all the workspace items 597 unbindWorkspaceItemsOnMainThread(); 598 } 599 600 /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ 601 void unbindWorkspaceItemsOnMainThread() { 602 // Ensure that we don't use the same workspace items data structure on the main thread 603 // by making a copy of workspace items first. 604 final ArrayList<ItemInfo> tmpItems = new ArrayList<ItemInfo>(); 605 synchronized (sBgLock) { 606 tmpItems.addAll(sBgWorkspaceItems); 607 tmpItems.addAll(sBgAppWidgets); 608 } 609 Runnable r = new Runnable() { 610 @Override 611 public void run() { 612 for (ItemInfo item : tmpItems) { 613 item.unbind(); 614 } 615 } 616 }; 617 runOnMainThread(r); 618 } 619 620 /** 621 * Adds an item to the DB if it was not created previously, or move it to a new 622 * <container, screen, cellX, cellY> 623 */ 624 static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 625 long screenId, int cellX, int cellY) { 626 if (item.container == ItemInfo.NO_ID) { 627 // From all apps 628 addItemToDatabase(context, item, container, screenId, cellX, cellY); 629 } else { 630 // From somewhere else 631 moveItemInDatabase(context, item, container, screenId, cellX, cellY); 632 } 633 } 634 635 static void checkItemInfoLocked( 636 final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) { 637 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 638 if (modelItem != null && item != modelItem) { 639 // check all the data is consistent 640 if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) { 641 ShortcutInfo modelShortcut = (ShortcutInfo) modelItem; 642 ShortcutInfo shortcut = (ShortcutInfo) item; 643 if (modelShortcut.title.toString().equals(shortcut.title.toString()) && 644 modelShortcut.intent.filterEquals(shortcut.intent) && 645 modelShortcut.id == shortcut.id && 646 modelShortcut.itemType == shortcut.itemType && 647 modelShortcut.container == shortcut.container && 648 modelShortcut.screenId == shortcut.screenId && 649 modelShortcut.cellX == shortcut.cellX && 650 modelShortcut.cellY == shortcut.cellY && 651 modelShortcut.spanX == shortcut.spanX && 652 modelShortcut.spanY == shortcut.spanY && 653 ((modelShortcut.dropPos == null && shortcut.dropPos == null) || 654 (modelShortcut.dropPos != null && 655 shortcut.dropPos != null && 656 modelShortcut.dropPos[0] == shortcut.dropPos[0] && 657 modelShortcut.dropPos[1] == shortcut.dropPos[1]))) { 658 // For all intents and purposes, this is the same object 659 return; 660 } 661 } 662 663 // the modelItem needs to match up perfectly with item if our model is 664 // to be consistent with the database-- for now, just require 665 // modelItem == item or the equality check above 666 String msg = "item: " + ((item != null) ? item.toString() : "null") + 667 "modelItem: " + 668 ((modelItem != null) ? modelItem.toString() : "null") + 669 "Error: ItemInfo passed to checkItemInfo doesn't match original"; 670 RuntimeException e = new RuntimeException(msg); 671 if (stackTrace != null) { 672 e.setStackTrace(stackTrace); 673 } 674 throw e; 675 } 676 } 677 678 static void checkItemInfo(final ItemInfo item) { 679 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 680 final long itemId = item.id; 681 Runnable r = new Runnable() { 682 public void run() { 683 synchronized (sBgLock) { 684 checkItemInfoLocked(itemId, item, stackTrace); 685 } 686 } 687 }; 688 runOnWorkerThread(r); 689 } 690 691 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 692 final ItemInfo item, final String callingFunction) { 693 final long itemId = item.id; 694 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); 695 final ContentResolver cr = context.getContentResolver(); 696 697 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 698 Runnable r = new Runnable() { 699 public void run() { 700 cr.update(uri, values, null, null); 701 updateItemArrays(item, itemId, stackTrace); 702 } 703 }; 704 runOnWorkerThread(r); 705 } 706 707 static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList, 708 final ArrayList<ItemInfo> items, final String callingFunction) { 709 final ContentResolver cr = context.getContentResolver(); 710 711 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 712 Runnable r = new Runnable() { 713 public void run() { 714 ArrayList<ContentProviderOperation> ops = 715 new ArrayList<ContentProviderOperation>(); 716 int count = items.size(); 717 for (int i = 0; i < count; i++) { 718 ItemInfo item = items.get(i); 719 final long itemId = item.id; 720 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); 721 ContentValues values = valuesList.get(i); 722 723 ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build()); 724 updateItemArrays(item, itemId, stackTrace); 725 726 } 727 try { 728 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 729 } catch (Exception e) { 730 e.printStackTrace(); 731 } 732 } 733 }; 734 runOnWorkerThread(r); 735 } 736 737 static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) { 738 // Lock on mBgLock *after* the db operation 739 synchronized (sBgLock) { 740 checkItemInfoLocked(itemId, item, stackTrace); 741 742 if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 743 item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 744 // Item is in a folder, make sure this folder exists 745 if (!sBgFolders.containsKey(item.container)) { 746 // An items container is being set to a that of an item which is not in 747 // the list of Folders. 748 String msg = "item: " + item + " container being set to: " + 749 item.container + ", not in the list of folders"; 750 Log.e(TAG, msg); 751 } 752 } 753 754 // Items are added/removed from the corresponding FolderInfo elsewhere, such 755 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 756 // that are on the desktop, as appropriate 757 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 758 if (modelItem != null && 759 (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 760 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { 761 switch (modelItem.itemType) { 762 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 763 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 764 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 765 if (!sBgWorkspaceItems.contains(modelItem)) { 766 sBgWorkspaceItems.add(modelItem); 767 } 768 break; 769 default: 770 break; 771 } 772 } else { 773 sBgWorkspaceItems.remove(modelItem); 774 } 775 } 776 } 777 778 /** 779 * Move an item in the DB to a new <container, screen, cellX, cellY> 780 */ 781 public static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 782 final long screenId, final int cellX, final int cellY) { 783 item.container = container; 784 item.cellX = cellX; 785 item.cellY = cellY; 786 787 // We store hotseat items in canonical form which is this orientation invariant position 788 // in the hotseat 789 if (context instanceof Launcher && screenId < 0 && 790 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 791 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 792 } else { 793 item.screenId = screenId; 794 } 795 796 final ContentValues values = new ContentValues(); 797 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 798 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 799 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 800 values.put(LauncherSettings.Favorites.RANK, item.rank); 801 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 802 803 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 804 } 805 806 /** 807 * Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the 808 * cellX, cellY have already been updated on the ItemInfos. 809 */ 810 static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items, 811 final long container, final int screen) { 812 813 ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>(); 814 int count = items.size(); 815 816 for (int i = 0; i < count; i++) { 817 ItemInfo item = items.get(i); 818 item.container = container; 819 820 // We store hotseat items in canonical form which is this orientation invariant position 821 // in the hotseat 822 if (context instanceof Launcher && screen < 0 && 823 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 824 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX, 825 item.cellY); 826 } else { 827 item.screenId = screen; 828 } 829 830 final ContentValues values = new ContentValues(); 831 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 832 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 833 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 834 values.put(LauncherSettings.Favorites.RANK, item.rank); 835 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 836 837 contentValues.add(values); 838 } 839 updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase"); 840 } 841 842 /** 843 * Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY> 844 */ 845 static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, 846 final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) { 847 item.container = container; 848 item.cellX = cellX; 849 item.cellY = cellY; 850 item.spanX = spanX; 851 item.spanY = spanY; 852 853 // We store hotseat items in canonical form which is this orientation invariant position 854 // in the hotseat 855 if (context instanceof Launcher && screenId < 0 && 856 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 857 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 858 } else { 859 item.screenId = screenId; 860 } 861 862 final ContentValues values = new ContentValues(); 863 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 864 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 865 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 866 values.put(LauncherSettings.Favorites.RANK, item.rank); 867 values.put(LauncherSettings.Favorites.SPANX, item.spanX); 868 values.put(LauncherSettings.Favorites.SPANY, item.spanY); 869 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 870 871 updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); 872 } 873 874 /** 875 * Update an item to the database in a specified container. 876 */ 877 public static void updateItemInDatabase(Context context, final ItemInfo item) { 878 final ContentValues values = new ContentValues(); 879 item.onAddToDatabase(context, values); 880 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 881 } 882 883 private void assertWorkspaceLoaded() { 884 if (LauncherAppState.isDogfoodBuild()) { 885 synchronized (mLock) { 886 if (!mHasLoaderCompletedOnce || 887 (mLoaderTask != null && mLoaderTask.mIsLoadingAndBindingWorkspace)) { 888 throw new RuntimeException("Trying to add shortcut while loader is running"); 889 } 890 } 891 } 892 } 893 894 /** 895 * Returns true if the shortcuts already exists on the workspace. This must be called after 896 * the workspace has been loaded. We identify a shortcut by its intent. 897 */ 898 @Thunk boolean shortcutExists(Context context, Intent intent, UserHandleCompat user) { 899 assertWorkspaceLoaded(); 900 final String intentWithPkg, intentWithoutPkg; 901 if (intent.getComponent() != null) { 902 // If component is not null, an intent with null package will produce 903 // the same result and should also be a match. 904 String packageName = intent.getComponent().getPackageName(); 905 if (intent.getPackage() != null) { 906 intentWithPkg = intent.toUri(0); 907 intentWithoutPkg = new Intent(intent).setPackage(null).toUri(0); 908 } else { 909 intentWithPkg = new Intent(intent).setPackage(packageName).toUri(0); 910 intentWithoutPkg = intent.toUri(0); 911 } 912 } else { 913 intentWithPkg = intent.toUri(0); 914 intentWithoutPkg = intent.toUri(0); 915 } 916 917 synchronized (sBgLock) { 918 for (ItemInfo item : sBgItemsIdMap) { 919 if (item instanceof ShortcutInfo) { 920 ShortcutInfo info = (ShortcutInfo) item; 921 Intent targetIntent = info.promisedIntent == null 922 ? info.intent : info.promisedIntent; 923 if (targetIntent != null && info.user.equals(user)) { 924 String s = targetIntent.toUri(0); 925 if (intentWithPkg.equals(s) || intentWithoutPkg.equals(s)) { 926 return true; 927 } 928 } 929 } 930 } 931 } 932 return false; 933 } 934 935 /** 936 * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. 937 */ 938 FolderInfo getFolderById(Context context, LongArrayMap<FolderInfo> folderList, long id) { 939 final ContentResolver cr = context.getContentResolver(); 940 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, 941 "_id=? and (itemType=? or itemType=?)", 942 new String[] { String.valueOf(id), 943 String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); 944 945 try { 946 if (c.moveToFirst()) { 947 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 948 final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); 949 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 950 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 951 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 952 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 953 final int optionsIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.OPTIONS); 954 955 FolderInfo folderInfo = null; 956 switch (c.getInt(itemTypeIndex)) { 957 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 958 folderInfo = findOrMakeFolder(folderList, id); 959 break; 960 } 961 962 // Do not trim the folder label, as is was set by the user. 963 folderInfo.title = c.getString(titleIndex); 964 folderInfo.id = id; 965 folderInfo.container = c.getInt(containerIndex); 966 folderInfo.screenId = c.getInt(screenIndex); 967 folderInfo.cellX = c.getInt(cellXIndex); 968 folderInfo.cellY = c.getInt(cellYIndex); 969 folderInfo.options = c.getInt(optionsIndex); 970 971 return folderInfo; 972 } 973 } finally { 974 c.close(); 975 } 976 977 return null; 978 } 979 980 /** 981 * Add an item to the database in a specified container. Sets the container, screen, cellX and 982 * cellY fields of the item. Also assigns an ID to the item. 983 */ 984 public static void addItemToDatabase(Context context, final ItemInfo item, final long container, 985 final long screenId, final int cellX, final int cellY) { 986 item.container = container; 987 item.cellX = cellX; 988 item.cellY = cellY; 989 // We store hotseat items in canonical form which is this orientation invariant position 990 // in the hotseat 991 if (context instanceof Launcher && screenId < 0 && 992 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 993 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 994 } else { 995 item.screenId = screenId; 996 } 997 998 final ContentValues values = new ContentValues(); 999 final ContentResolver cr = context.getContentResolver(); 1000 item.onAddToDatabase(context, values); 1001 1002 item.id = LauncherAppState.getLauncherProvider().generateNewItemId(); 1003 values.put(LauncherSettings.Favorites._ID, item.id); 1004 1005 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 1006 Runnable r = new Runnable() { 1007 public void run() { 1008 cr.insert(LauncherSettings.Favorites.CONTENT_URI, values); 1009 1010 // Lock on mBgLock *after* the db operation 1011 synchronized (sBgLock) { 1012 checkItemInfoLocked(item.id, item, stackTrace); 1013 sBgItemsIdMap.put(item.id, item); 1014 switch (item.itemType) { 1015 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1016 sBgFolders.put(item.id, (FolderInfo) item); 1017 // Fall through 1018 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1019 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1020 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 1021 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1022 sBgWorkspaceItems.add(item); 1023 } else { 1024 if (!sBgFolders.containsKey(item.container)) { 1025 // Adding an item to a folder that doesn't exist. 1026 String msg = "adding item: " + item + " to a folder that " + 1027 " doesn't exist"; 1028 Log.e(TAG, msg); 1029 } 1030 } 1031 break; 1032 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1033 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 1034 break; 1035 } 1036 } 1037 } 1038 }; 1039 runOnWorkerThread(r); 1040 } 1041 1042 /** 1043 * Creates a new unique child id, for a given cell span across all layouts. 1044 */ 1045 static int getCellLayoutChildId( 1046 long container, long screen, int localCellX, int localCellY, int spanX, int spanY) { 1047 return (((int) container & 0xFF) << 24) 1048 | ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 1049 } 1050 1051 private static ArrayList<ItemInfo> getItemsByPackageName( 1052 final String pn, final UserHandleCompat user) { 1053 ItemInfoFilter filter = new ItemInfoFilter() { 1054 @Override 1055 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 1056 return cn.getPackageName().equals(pn) && info.user.equals(user); 1057 } 1058 }; 1059 return filterItemInfos(sBgItemsIdMap, filter); 1060 } 1061 1062 /** 1063 * Removes all the items from the database corresponding to the specified package. 1064 */ 1065 static void deletePackageFromDatabase(Context context, final String pn, 1066 final UserHandleCompat user) { 1067 deleteItemsFromDatabase(context, getItemsByPackageName(pn, user)); 1068 } 1069 1070 /** 1071 * Removes the specified item from the database 1072 * @param context 1073 * @param item 1074 */ 1075 public static void deleteItemFromDatabase(Context context, final ItemInfo item) { 1076 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 1077 items.add(item); 1078 deleteItemsFromDatabase(context, items); 1079 } 1080 1081 /** 1082 * Removes the specified items from the database 1083 * @param context 1084 * @param item 1085 */ 1086 static void deleteItemsFromDatabase(Context context, final ArrayList<? extends ItemInfo> items) { 1087 final ContentResolver cr = context.getContentResolver(); 1088 Runnable r = new Runnable() { 1089 public void run() { 1090 for (ItemInfo item : items) { 1091 final Uri uri = LauncherSettings.Favorites.getContentUri(item.id); 1092 cr.delete(uri, null, null); 1093 1094 // Lock on mBgLock *after* the db operation 1095 synchronized (sBgLock) { 1096 switch (item.itemType) { 1097 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1098 sBgFolders.remove(item.id); 1099 for (ItemInfo info: sBgItemsIdMap) { 1100 if (info.container == item.id) { 1101 // We are deleting a folder which still contains items that 1102 // think they are contained by that folder. 1103 String msg = "deleting a folder (" + item + ") which still " + 1104 "contains items (" + info + ")"; 1105 Log.e(TAG, msg); 1106 } 1107 } 1108 sBgWorkspaceItems.remove(item); 1109 break; 1110 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1111 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1112 sBgWorkspaceItems.remove(item); 1113 break; 1114 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1115 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 1116 break; 1117 } 1118 sBgItemsIdMap.remove(item.id); 1119 } 1120 } 1121 } 1122 }; 1123 runOnWorkerThread(r); 1124 } 1125 1126 /** 1127 * Update the order of the workspace screens in the database. The array list contains 1128 * a list of screen ids in the order that they should appear. 1129 */ 1130 public void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) { 1131 final ArrayList<Long> screensCopy = new ArrayList<Long>(screens); 1132 final ContentResolver cr = context.getContentResolver(); 1133 final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1134 1135 // Remove any negative screen ids -- these aren't persisted 1136 Iterator<Long> iter = screensCopy.iterator(); 1137 while (iter.hasNext()) { 1138 long id = iter.next(); 1139 if (id < 0) { 1140 iter.remove(); 1141 } 1142 } 1143 1144 Runnable r = new Runnable() { 1145 @Override 1146 public void run() { 1147 ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>(); 1148 // Clear the table 1149 ops.add(ContentProviderOperation.newDelete(uri).build()); 1150 int count = screensCopy.size(); 1151 for (int i = 0; i < count; i++) { 1152 ContentValues v = new ContentValues(); 1153 long screenId = screensCopy.get(i); 1154 v.put(LauncherSettings.WorkspaceScreens._ID, screenId); 1155 v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); 1156 ops.add(ContentProviderOperation.newInsert(uri).withValues(v).build()); 1157 } 1158 1159 try { 1160 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 1161 } catch (Exception ex) { 1162 throw new RuntimeException(ex); 1163 } 1164 1165 synchronized (sBgLock) { 1166 sBgWorkspaceScreens.clear(); 1167 sBgWorkspaceScreens.addAll(screensCopy); 1168 } 1169 } 1170 }; 1171 runOnWorkerThread(r); 1172 } 1173 1174 /** 1175 * Remove the contents of the specified folder from the database 1176 */ 1177 public static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { 1178 final ContentResolver cr = context.getContentResolver(); 1179 1180 Runnable r = new Runnable() { 1181 public void run() { 1182 cr.delete(LauncherSettings.Favorites.getContentUri(info.id), null, null); 1183 // Lock on mBgLock *after* the db operation 1184 synchronized (sBgLock) { 1185 sBgItemsIdMap.remove(info.id); 1186 sBgFolders.remove(info.id); 1187 sBgWorkspaceItems.remove(info); 1188 } 1189 1190 cr.delete(LauncherSettings.Favorites.CONTENT_URI, 1191 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 1192 // Lock on mBgLock *after* the db operation 1193 synchronized (sBgLock) { 1194 for (ItemInfo childInfo : info.contents) { 1195 sBgItemsIdMap.remove(childInfo.id); 1196 } 1197 } 1198 } 1199 }; 1200 runOnWorkerThread(r); 1201 } 1202 1203 /** 1204 * Set this as the current Launcher activity object for the loader. 1205 */ 1206 public void initialize(Callbacks callbacks) { 1207 synchronized (mLock) { 1208 // Disconnect any of the callbacks and drawables associated with ItemInfos on the 1209 // workspace to prevent leaking Launcher activities on orientation change. 1210 unbindItemInfosAndClearQueuedBindRunnables(); 1211 mCallbacks = new WeakReference<Callbacks>(callbacks); 1212 } 1213 } 1214 1215 @Override 1216 public void onPackageChanged(String packageName, UserHandleCompat user) { 1217 int op = PackageUpdatedTask.OP_UPDATE; 1218 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1219 user)); 1220 } 1221 1222 @Override 1223 public void onPackageRemoved(String packageName, UserHandleCompat user) { 1224 int op = PackageUpdatedTask.OP_REMOVE; 1225 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1226 user)); 1227 } 1228 1229 @Override 1230 public void onPackageAdded(String packageName, UserHandleCompat user) { 1231 int op = PackageUpdatedTask.OP_ADD; 1232 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1233 user)); 1234 } 1235 1236 @Override 1237 public void onPackagesAvailable(String[] packageNames, UserHandleCompat user, 1238 boolean replacing) { 1239 if (!replacing) { 1240 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packageNames, 1241 user)); 1242 if (mAppsCanBeOnRemoveableStorage) { 1243 // Only rebind if we support removable storage. It catches the 1244 // case where 1245 // apps on the external sd card need to be reloaded 1246 startLoaderFromBackground(); 1247 } 1248 } else { 1249 // If we are replacing then just update the packages in the list 1250 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE, 1251 packageNames, user)); 1252 } 1253 } 1254 1255 @Override 1256 public void onPackagesUnavailable(String[] packageNames, UserHandleCompat user, 1257 boolean replacing) { 1258 if (!replacing) { 1259 enqueuePackageUpdated(new PackageUpdatedTask( 1260 PackageUpdatedTask.OP_UNAVAILABLE, packageNames, 1261 user)); 1262 } 1263 } 1264 1265 /** 1266 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 1267 * ACTION_PACKAGE_CHANGED. 1268 */ 1269 @Override 1270 public void onReceive(Context context, Intent intent) { 1271 if (DEBUG_RECEIVER) Log.d(TAG, "onReceive intent=" + intent); 1272 1273 final String action = intent.getAction(); 1274 if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 1275 // If we have changed locale we need to clear out the labels in all apps/workspace. 1276 forceReload(); 1277 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action)) { 1278 Callbacks callbacks = getCallback(); 1279 if (callbacks != null) { 1280 callbacks.bindSearchProviderChanged(); 1281 } 1282 } else if (LauncherAppsCompat.ACTION_MANAGED_PROFILE_ADDED.equals(action) 1283 || LauncherAppsCompat.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) { 1284 UserManagerCompat.getInstance(context).enableAndResetCache(); 1285 forceReload(); 1286 } 1287 } 1288 1289 void forceReload() { 1290 resetLoadedState(true, true); 1291 1292 // Do this here because if the launcher activity is running it will be restarted. 1293 // If it's not running startLoaderFromBackground will merely tell it that it needs 1294 // to reload. 1295 startLoaderFromBackground(); 1296 } 1297 1298 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 1299 synchronized (mLock) { 1300 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 1301 // mWorkspaceLoaded to true later 1302 stopLoaderLocked(); 1303 if (resetAllAppsLoaded) mAllAppsLoaded = false; 1304 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 1305 } 1306 } 1307 1308 /** 1309 * When the launcher is in the background, it's possible for it to miss paired 1310 * configuration changes. So whenever we trigger the loader from the background 1311 * tell the launcher that it needs to re-run the loader when it comes back instead 1312 * of doing it now. 1313 */ 1314 public void startLoaderFromBackground() { 1315 boolean runLoader = false; 1316 Callbacks callbacks = getCallback(); 1317 if (callbacks != null) { 1318 // Only actually run the loader if they're not paused. 1319 if (!callbacks.setLoadOnResume()) { 1320 runLoader = true; 1321 } 1322 } 1323 if (runLoader) { 1324 startLoader(PagedView.INVALID_RESTORE_PAGE); 1325 } 1326 } 1327 1328 /** 1329 * If there is already a loader task running, tell it to stop. 1330 */ 1331 private void stopLoaderLocked() { 1332 LoaderTask oldTask = mLoaderTask; 1333 if (oldTask != null) { 1334 oldTask.stopLocked(); 1335 } 1336 } 1337 1338 public boolean isCurrentCallbacks(Callbacks callbacks) { 1339 return (mCallbacks != null && mCallbacks.get() == callbacks); 1340 } 1341 1342 public void startLoader(int synchronousBindPage) { 1343 startLoader(synchronousBindPage, LOADER_FLAG_NONE); 1344 } 1345 1346 public void startLoader(int synchronousBindPage, int loadFlags) { 1347 // Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems 1348 InstallShortcutReceiver.enableInstallQueue(); 1349 synchronized (mLock) { 1350 // Clear any deferred bind-runnables from the synchronized load process 1351 // We must do this before any loading/binding is scheduled below. 1352 synchronized (mDeferredBindRunnables) { 1353 mDeferredBindRunnables.clear(); 1354 } 1355 1356 // Don't bother to start the thread if we know it's not going to do anything 1357 if (mCallbacks != null && mCallbacks.get() != null) { 1358 // If there is already one running, tell it to stop. 1359 stopLoaderLocked(); 1360 mLoaderTask = new LoaderTask(mApp.getContext(), loadFlags); 1361 if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE 1362 && mAllAppsLoaded && mWorkspaceLoaded && !mIsLoaderTaskRunning) { 1363 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 1364 } else { 1365 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 1366 sWorker.post(mLoaderTask); 1367 } 1368 } 1369 } 1370 } 1371 1372 void bindRemainingSynchronousPages() { 1373 // Post the remaining side pages to be loaded 1374 if (!mDeferredBindRunnables.isEmpty()) { 1375 Runnable[] deferredBindRunnables = null; 1376 synchronized (mDeferredBindRunnables) { 1377 deferredBindRunnables = mDeferredBindRunnables.toArray( 1378 new Runnable[mDeferredBindRunnables.size()]); 1379 mDeferredBindRunnables.clear(); 1380 } 1381 for (final Runnable r : deferredBindRunnables) { 1382 mHandler.post(r); 1383 } 1384 } 1385 } 1386 1387 public void stopLoader() { 1388 synchronized (mLock) { 1389 if (mLoaderTask != null) { 1390 mLoaderTask.stopLocked(); 1391 } 1392 } 1393 } 1394 1395 /** 1396 * Loads the workspace screen ids in an ordered list. 1397 */ 1398 public static ArrayList<Long> loadWorkspaceScreensDb(Context context) { 1399 final ContentResolver contentResolver = context.getContentResolver(); 1400 final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1401 1402 // Get screens ordered by rank. 1403 final Cursor sc = contentResolver.query(screensUri, null, null, null, 1404 LauncherSettings.WorkspaceScreens.SCREEN_RANK); 1405 ArrayList<Long> screenIds = new ArrayList<Long>(); 1406 try { 1407 final int idIndex = sc.getColumnIndexOrThrow(LauncherSettings.WorkspaceScreens._ID); 1408 while (sc.moveToNext()) { 1409 try { 1410 screenIds.add(sc.getLong(idIndex)); 1411 } catch (Exception e) { 1412 Launcher.addDumpLog(TAG, "Desktop items loading interrupted" 1413 + " - invalid screens: " + e, true); 1414 } 1415 } 1416 } finally { 1417 sc.close(); 1418 } 1419 return screenIds; 1420 } 1421 1422 public boolean isAllAppsLoaded() { 1423 return mAllAppsLoaded; 1424 } 1425 1426 /** 1427 * Runnable for the thread that loads the contents of the launcher: 1428 * - workspace icons 1429 * - widgets 1430 * - all apps icons 1431 */ 1432 private class LoaderTask implements Runnable { 1433 private Context mContext; 1434 @Thunk boolean mIsLoadingAndBindingWorkspace; 1435 private boolean mStopped; 1436 @Thunk boolean mLoadAndBindStepFinished; 1437 private int mFlags; 1438 1439 LoaderTask(Context context, int flags) { 1440 mContext = context; 1441 mFlags = flags; 1442 } 1443 1444 private void loadAndBindWorkspace() { 1445 mIsLoadingAndBindingWorkspace = true; 1446 1447 // Load the workspace 1448 if (DEBUG_LOADERS) { 1449 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 1450 } 1451 1452 if (!mWorkspaceLoaded) { 1453 loadWorkspace(); 1454 synchronized (LoaderTask.this) { 1455 if (mStopped) { 1456 return; 1457 } 1458 mWorkspaceLoaded = true; 1459 } 1460 } 1461 1462 // Bind the workspace 1463 bindWorkspace(-1); 1464 } 1465 1466 private void waitForIdle() { 1467 // Wait until the either we're stopped or the other threads are done. 1468 // This way we don't start loading all apps until the workspace has settled 1469 // down. 1470 synchronized (LoaderTask.this) { 1471 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1472 1473 mHandler.postIdle(new Runnable() { 1474 public void run() { 1475 synchronized (LoaderTask.this) { 1476 mLoadAndBindStepFinished = true; 1477 if (DEBUG_LOADERS) { 1478 Log.d(TAG, "done with previous binding step"); 1479 } 1480 LoaderTask.this.notify(); 1481 } 1482 } 1483 }); 1484 1485 while (!mStopped && !mLoadAndBindStepFinished) { 1486 try { 1487 // Just in case mFlushingWorkerThread changes but we aren't woken up, 1488 // wait no longer than 1sec at a time 1489 this.wait(1000); 1490 } catch (InterruptedException ex) { 1491 // Ignore 1492 } 1493 } 1494 if (DEBUG_LOADERS) { 1495 Log.d(TAG, "waited " 1496 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1497 + "ms for previous step to finish binding"); 1498 } 1499 } 1500 } 1501 1502 void runBindSynchronousPage(int synchronousBindPage) { 1503 if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) { 1504 // Ensure that we have a valid page index to load synchronously 1505 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1506 "valid page index"); 1507 } 1508 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1509 // Ensure that we don't try and bind a specified page when the pages have not been 1510 // loaded already (we should load everything asynchronously in that case) 1511 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1512 } 1513 synchronized (mLock) { 1514 if (mIsLoaderTaskRunning) { 1515 // Ensure that we are never running the background loading at this point since 1516 // we also touch the background collections 1517 throw new RuntimeException("Error! Background loading is already running"); 1518 } 1519 } 1520 1521 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1522 // data structures, we can't allow any other thread to touch that data, but because 1523 // this call is synchronous, we can get away with not locking). 1524 1525 // The LauncherModel is static in the LauncherAppState and mHandler may have queued 1526 // operations from the previous activity. We need to ensure that all queued operations 1527 // are executed before any synchronous binding work is done. 1528 mHandler.flush(); 1529 1530 // Divide the set of loaded items into those that we are binding synchronously, and 1531 // everything else that is to be bound normally (asynchronously). 1532 bindWorkspace(synchronousBindPage); 1533 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1534 // arise from that. 1535 onlyBindAllApps(); 1536 } 1537 1538 public void run() { 1539 synchronized (mLock) { 1540 if (mStopped) { 1541 return; 1542 } 1543 mIsLoaderTaskRunning = true; 1544 } 1545 // Optimize for end-user experience: if the Launcher is up and // running with the 1546 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1547 // workspace first (default). 1548 keep_running: { 1549 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1550 loadAndBindWorkspace(); 1551 1552 if (mStopped) { 1553 break keep_running; 1554 } 1555 1556 waitForIdle(); 1557 1558 // second step 1559 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1560 loadAndBindAllApps(); 1561 } 1562 1563 // Clear out this reference, otherwise we end up holding it until all of the 1564 // callback runnables are done. 1565 mContext = null; 1566 1567 synchronized (mLock) { 1568 // If we are still the last one to be scheduled, remove ourselves. 1569 if (mLoaderTask == this) { 1570 mLoaderTask = null; 1571 } 1572 mIsLoaderTaskRunning = false; 1573 mHasLoaderCompletedOnce = true; 1574 } 1575 } 1576 1577 public void stopLocked() { 1578 synchronized (LoaderTask.this) { 1579 mStopped = true; 1580 this.notify(); 1581 } 1582 } 1583 1584 /** 1585 * Gets the callbacks object. If we've been stopped, or if the launcher object 1586 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1587 * object that was around when the deferred message was scheduled, and if there's 1588 * a new Callbacks object around then also return null. This will save us from 1589 * calling onto it with data that will be ignored. 1590 */ 1591 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1592 synchronized (mLock) { 1593 if (mStopped) { 1594 return null; 1595 } 1596 1597 if (mCallbacks == null) { 1598 return null; 1599 } 1600 1601 final Callbacks callbacks = mCallbacks.get(); 1602 if (callbacks != oldCallbacks) { 1603 return null; 1604 } 1605 if (callbacks == null) { 1606 Log.w(TAG, "no mCallbacks"); 1607 return null; 1608 } 1609 1610 return callbacks; 1611 } 1612 } 1613 1614 // check & update map of what's occupied; used to discard overlapping/invalid items 1615 private boolean checkItemPlacement(LongArrayMap<ItemInfo[][]> occupied, ItemInfo item, 1616 ArrayList<Long> workspaceScreens) { 1617 LauncherAppState app = LauncherAppState.getInstance(); 1618 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 1619 final int countX = profile.numColumns; 1620 final int countY = profile.numRows; 1621 1622 long containerIndex = item.screenId; 1623 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1624 // Return early if we detect that an item is under the hotseat button 1625 if (mCallbacks == null || 1626 mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) { 1627 Log.e(TAG, "Error loading shortcut into hotseat " + item 1628 + " into position (" + item.screenId + ":" + item.cellX + "," 1629 + item.cellY + ") occupied by all apps"); 1630 return false; 1631 } 1632 1633 final ItemInfo[][] hotseatItems = 1634 occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT); 1635 1636 if (item.screenId >= profile.numHotseatIcons) { 1637 Log.e(TAG, "Error loading shortcut " + item 1638 + " into hotseat position " + item.screenId 1639 + ", position out of bounds: (0 to " + (profile.numHotseatIcons - 1) 1640 + ")"); 1641 return false; 1642 } 1643 1644 if (hotseatItems != null) { 1645 if (hotseatItems[(int) item.screenId][0] != null) { 1646 Log.e(TAG, "Error loading shortcut into hotseat " + item 1647 + " into position (" + item.screenId + ":" + item.cellX + "," 1648 + item.cellY + ") occupied by " 1649 + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1650 [(int) item.screenId][0]); 1651 return false; 1652 } else { 1653 hotseatItems[(int) item.screenId][0] = item; 1654 return true; 1655 } 1656 } else { 1657 final ItemInfo[][] items = new ItemInfo[(int) profile.numHotseatIcons][1]; 1658 items[(int) item.screenId][0] = item; 1659 occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); 1660 return true; 1661 } 1662 } else if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1663 if (!workspaceScreens.contains((Long) item.screenId)) { 1664 // The item has an invalid screen id. 1665 return false; 1666 } 1667 } else { 1668 // Skip further checking if it is not the hotseat or workspace container 1669 return true; 1670 } 1671 1672 if (!occupied.containsKey(item.screenId)) { 1673 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1674 occupied.put(item.screenId, items); 1675 } 1676 1677 final ItemInfo[][] screens = occupied.get(item.screenId); 1678 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1679 item.cellX < 0 || item.cellY < 0 || 1680 item.cellX + item.spanX > countX || item.cellY + item.spanY > countY) { 1681 Log.e(TAG, "Error loading shortcut " + item 1682 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1683 + item.cellX + "," + item.cellY 1684 + ") out of screen bounds ( " + countX + "x" + countY + ")"); 1685 return false; 1686 } 1687 1688 // Check if any workspace icons overlap with each other 1689 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1690 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1691 if (screens[x][y] != null) { 1692 Log.e(TAG, "Error loading shortcut " + item 1693 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1694 + x + "," + y 1695 + ") occupied by " 1696 + screens[x][y]); 1697 return false; 1698 } 1699 } 1700 } 1701 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1702 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1703 screens[x][y] = item; 1704 } 1705 } 1706 1707 return true; 1708 } 1709 1710 /** Clears all the sBg data structures */ 1711 private void clearSBgDataStructures() { 1712 synchronized (sBgLock) { 1713 sBgWorkspaceItems.clear(); 1714 sBgAppWidgets.clear(); 1715 sBgFolders.clear(); 1716 sBgItemsIdMap.clear(); 1717 sBgWorkspaceScreens.clear(); 1718 } 1719 } 1720 1721 private void loadWorkspace() { 1722 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1723 1724 final Context context = mContext; 1725 final ContentResolver contentResolver = context.getContentResolver(); 1726 final PackageManager manager = context.getPackageManager(); 1727 final boolean isSafeMode = manager.isSafeMode(); 1728 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 1729 final boolean isSdCardReady = context.registerReceiver(null, 1730 new IntentFilter(StartupReceiver.SYSTEM_READY)) != null; 1731 1732 LauncherAppState app = LauncherAppState.getInstance(); 1733 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 1734 int countX = profile.numColumns; 1735 int countY = profile.numRows; 1736 1737 if (MigrateFromRestoreTask.ENABLED && MigrateFromRestoreTask.shouldRunTask(mContext)) { 1738 long migrationStartTime = System.currentTimeMillis(); 1739 Log.v(TAG, "Starting workspace migration after restore"); 1740 try { 1741 MigrateFromRestoreTask task = new MigrateFromRestoreTask(mContext); 1742 // Clear the flags before starting the task, so that we do not run the task 1743 // again, in case there was an uncaught error. 1744 MigrateFromRestoreTask.clearFlags(mContext); 1745 task.execute(); 1746 } catch (Exception e) { 1747 Log.e(TAG, "Error during grid migration", e); 1748 1749 // Clear workspace. 1750 mFlags = mFlags | LOADER_FLAG_CLEAR_WORKSPACE; 1751 } 1752 Log.v(TAG, "Workspace migration completed in " 1753 + (System.currentTimeMillis() - migrationStartTime)); 1754 } 1755 1756 if ((mFlags & LOADER_FLAG_CLEAR_WORKSPACE) != 0) { 1757 Launcher.addDumpLog(TAG, "loadWorkspace: resetting launcher database", true); 1758 LauncherAppState.getLauncherProvider().deleteDatabase(); 1759 } 1760 1761 if ((mFlags & LOADER_FLAG_MIGRATE_SHORTCUTS) != 0) { 1762 // append the user's Launcher2 shortcuts 1763 Launcher.addDumpLog(TAG, "loadWorkspace: migrating from launcher2", true); 1764 LauncherAppState.getLauncherProvider().migrateLauncher2Shortcuts(); 1765 } else { 1766 // Make sure the default workspace is loaded 1767 Launcher.addDumpLog(TAG, "loadWorkspace: loading default favorites", false); 1768 LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary(); 1769 } 1770 1771 synchronized (sBgLock) { 1772 clearSBgDataStructures(); 1773 final HashMap<String, Integer> installingPkgs = PackageInstallerCompat 1774 .getInstance(mContext).updateAndGetActiveSessionCache(); 1775 sBgWorkspaceScreens.addAll(loadWorkspaceScreensDb(mContext)); 1776 1777 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 1778 final ArrayList<Long> restoredRows = new ArrayList<Long>(); 1779 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; 1780 if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri); 1781 final Cursor c = contentResolver.query(contentUri, null, null, null, null); 1782 1783 // +1 for the hotseat (it can be larger than the workspace) 1784 // Load workspace in reverse order to ensure that latest items are loaded first (and 1785 // before any earlier duplicates) 1786 final LongArrayMap<ItemInfo[][]> occupied = new LongArrayMap<>(); 1787 1788 try { 1789 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1790 final int intentIndex = c.getColumnIndexOrThrow 1791 (LauncherSettings.Favorites.INTENT); 1792 final int titleIndex = c.getColumnIndexOrThrow 1793 (LauncherSettings.Favorites.TITLE); 1794 final int containerIndex = c.getColumnIndexOrThrow( 1795 LauncherSettings.Favorites.CONTAINER); 1796 final int itemTypeIndex = c.getColumnIndexOrThrow( 1797 LauncherSettings.Favorites.ITEM_TYPE); 1798 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1799 LauncherSettings.Favorites.APPWIDGET_ID); 1800 final int appWidgetProviderIndex = c.getColumnIndexOrThrow( 1801 LauncherSettings.Favorites.APPWIDGET_PROVIDER); 1802 final int screenIndex = c.getColumnIndexOrThrow( 1803 LauncherSettings.Favorites.SCREEN); 1804 final int cellXIndex = c.getColumnIndexOrThrow 1805 (LauncherSettings.Favorites.CELLX); 1806 final int cellYIndex = c.getColumnIndexOrThrow 1807 (LauncherSettings.Favorites.CELLY); 1808 final int spanXIndex = c.getColumnIndexOrThrow 1809 (LauncherSettings.Favorites.SPANX); 1810 final int spanYIndex = c.getColumnIndexOrThrow( 1811 LauncherSettings.Favorites.SPANY); 1812 final int rankIndex = c.getColumnIndexOrThrow( 1813 LauncherSettings.Favorites.RANK); 1814 final int restoredIndex = c.getColumnIndexOrThrow( 1815 LauncherSettings.Favorites.RESTORED); 1816 final int profileIdIndex = c.getColumnIndexOrThrow( 1817 LauncherSettings.Favorites.PROFILE_ID); 1818 final int optionsIndex = c.getColumnIndexOrThrow( 1819 LauncherSettings.Favorites.OPTIONS); 1820 final CursorIconInfo cursorIconInfo = new CursorIconInfo(c); 1821 1822 final LongSparseArray<UserHandleCompat> allUsers = new LongSparseArray<>(); 1823 for (UserHandleCompat user : mUserManager.getUserProfiles()) { 1824 allUsers.put(mUserManager.getSerialNumberForUser(user), user); 1825 } 1826 1827 ShortcutInfo info; 1828 String intentDescription; 1829 LauncherAppWidgetInfo appWidgetInfo; 1830 int container; 1831 long id; 1832 long serialNumber; 1833 Intent intent; 1834 UserHandleCompat user; 1835 1836 while (!mStopped && c.moveToNext()) { 1837 try { 1838 int itemType = c.getInt(itemTypeIndex); 1839 boolean restored = 0 != c.getInt(restoredIndex); 1840 boolean allowMissingTarget = false; 1841 container = c.getInt(containerIndex); 1842 1843 switch (itemType) { 1844 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1845 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1846 id = c.getLong(idIndex); 1847 intentDescription = c.getString(intentIndex); 1848 serialNumber = c.getInt(profileIdIndex); 1849 user = allUsers.get(serialNumber); 1850 int promiseType = c.getInt(restoredIndex); 1851 int disabledState = 0; 1852 boolean itemReplaced = false; 1853 if (user == null) { 1854 // User has been deleted remove the item. 1855 itemsToRemove.add(id); 1856 continue; 1857 } 1858 try { 1859 intent = Intent.parseUri(intentDescription, 0); 1860 ComponentName cn = intent.getComponent(); 1861 if (cn != null && cn.getPackageName() != null) { 1862 boolean validPkg = launcherApps.isPackageEnabledForProfile( 1863 cn.getPackageName(), user); 1864 boolean validComponent = validPkg && 1865 launcherApps.isActivityEnabledForProfile(cn, user); 1866 1867 if (validComponent) { 1868 if (restored) { 1869 // no special handling necessary for this item 1870 restoredRows.add(id); 1871 restored = false; 1872 } 1873 } else if (validPkg) { 1874 intent = null; 1875 if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { 1876 // We allow auto install apps to have their intent 1877 // updated after an install. 1878 intent = manager.getLaunchIntentForPackage( 1879 cn.getPackageName()); 1880 if (intent != null) { 1881 ContentValues values = new ContentValues(); 1882 values.put(LauncherSettings.Favorites.INTENT, 1883 intent.toUri(0)); 1884 updateItem(id, values); 1885 } 1886 } 1887 1888 if (intent == null) { 1889 // The app is installed but the component is no 1890 // longer available. 1891 Launcher.addDumpLog(TAG, 1892 "Invalid component removed: " + cn, true); 1893 itemsToRemove.add(id); 1894 continue; 1895 } else { 1896 // no special handling necessary for this item 1897 restoredRows.add(id); 1898 restored = false; 1899 } 1900 } else if (restored) { 1901 // Package is not yet available but might be 1902 // installed later. 1903 Launcher.addDumpLog(TAG, 1904 "package not yet restored: " + cn, true); 1905 1906 if ((promiseType & ShortcutInfo.FLAG_RESTORE_STARTED) != 0) { 1907 // Restore has started once. 1908 } else if (installingPkgs.containsKey(cn.getPackageName())) { 1909 // App restore has started. Update the flag 1910 promiseType |= ShortcutInfo.FLAG_RESTORE_STARTED; 1911 ContentValues values = new ContentValues(); 1912 values.put(LauncherSettings.Favorites.RESTORED, 1913 promiseType); 1914 updateItem(id, values); 1915 } else if ((promiseType & ShortcutInfo.FLAG_RESTORED_APP_TYPE) != 0) { 1916 // This is a common app. Try to replace this. 1917 int appType = CommonAppTypeParser.decodeItemTypeFromFlag(promiseType); 1918 CommonAppTypeParser parser = new CommonAppTypeParser(id, appType, context); 1919 if (parser.findDefaultApp()) { 1920 // Default app found. Replace it. 1921 intent = parser.parsedIntent; 1922 cn = intent.getComponent(); 1923 ContentValues values = parser.parsedValues; 1924 values.put(LauncherSettings.Favorites.RESTORED, 0); 1925 updateItem(id, values); 1926 restored = false; 1927 itemReplaced = true; 1928 1929 } else if (REMOVE_UNRESTORED_ICONS) { 1930 Launcher.addDumpLog(TAG, 1931 "Unrestored package removed: " + cn, true); 1932 itemsToRemove.add(id); 1933 continue; 1934 } 1935 } else if (REMOVE_UNRESTORED_ICONS) { 1936 Launcher.addDumpLog(TAG, 1937 "Unrestored package removed: " + cn, true); 1938 itemsToRemove.add(id); 1939 continue; 1940 } 1941 } else if (launcherApps.isAppEnabled( 1942 manager, cn.getPackageName(), 1943 PackageManager.GET_UNINSTALLED_PACKAGES)) { 1944 // Package is present but not available. 1945 allowMissingTarget = true; 1946 disabledState = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 1947 } else if (!isSdCardReady) { 1948 // SdCard is not ready yet. Package might get available, 1949 // once it is ready. 1950 Launcher.addDumpLog(TAG, "Invalid package: " + cn 1951 + " (check again later)", true); 1952 HashSet<String> pkgs = sPendingPackages.get(user); 1953 if (pkgs == null) { 1954 pkgs = new HashSet<String>(); 1955 sPendingPackages.put(user, pkgs); 1956 } 1957 pkgs.add(cn.getPackageName()); 1958 allowMissingTarget = true; 1959 // Add the icon on the workspace anyway. 1960 1961 } else { 1962 // Do not wait for external media load anymore. 1963 // Log the invalid package, and remove it 1964 Launcher.addDumpLog(TAG, 1965 "Invalid package removed: " + cn, true); 1966 itemsToRemove.add(id); 1967 continue; 1968 } 1969 } else if (cn == null) { 1970 // For shortcuts with no component, keep them as they are 1971 restoredRows.add(id); 1972 restored = false; 1973 } 1974 } catch (URISyntaxException e) { 1975 Launcher.addDumpLog(TAG, 1976 "Invalid uri: " + intentDescription, true); 1977 itemsToRemove.add(id); 1978 continue; 1979 } 1980 1981 boolean useLowResIcon = container >= 0 && 1982 c.getInt(rankIndex) >= FolderIcon.NUM_ITEMS_IN_PREVIEW; 1983 1984 if (itemReplaced) { 1985 if (user.equals(UserHandleCompat.myUserHandle())) { 1986 info = getAppShortcutInfo(manager, intent, user, context, null, 1987 cursorIconInfo.iconIndex, titleIndex, 1988 false, useLowResIcon); 1989 } else { 1990 // Don't replace items for other profiles. 1991 itemsToRemove.add(id); 1992 continue; 1993 } 1994 } else if (restored) { 1995 if (user.equals(UserHandleCompat.myUserHandle())) { 1996 Launcher.addDumpLog(TAG, 1997 "constructing info for partially restored package", 1998 true); 1999 info = getRestoredItemInfo(c, titleIndex, intent, 2000 promiseType, itemType, cursorIconInfo, context); 2001 intent = getRestoredItemIntent(c, context, intent); 2002 } else { 2003 // Don't restore items for other profiles. 2004 itemsToRemove.add(id); 2005 continue; 2006 } 2007 } else if (itemType == 2008 LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 2009 info = getAppShortcutInfo(manager, intent, user, context, c, 2010 cursorIconInfo.iconIndex, titleIndex, 2011 allowMissingTarget, useLowResIcon); 2012 } else { 2013 info = getShortcutInfo(c, context, titleIndex, cursorIconInfo); 2014 2015 // App shortcuts that used to be automatically added to Launcher 2016 // didn't always have the correct intent flags set, so do that 2017 // here 2018 if (intent.getAction() != null && 2019 intent.getCategories() != null && 2020 intent.getAction().equals(Intent.ACTION_MAIN) && 2021 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 2022 intent.addFlags( 2023 Intent.FLAG_ACTIVITY_NEW_TASK | 2024 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 2025 } 2026 } 2027 2028 if (info != null) { 2029 info.id = id; 2030 info.intent = intent; 2031 info.container = container; 2032 info.screenId = c.getInt(screenIndex); 2033 info.cellX = c.getInt(cellXIndex); 2034 info.cellY = c.getInt(cellYIndex); 2035 info.rank = c.getInt(rankIndex); 2036 info.spanX = 1; 2037 info.spanY = 1; 2038 info.intent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 2039 if (info.promisedIntent != null) { 2040 info.promisedIntent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 2041 } 2042 info.isDisabled = disabledState; 2043 if (isSafeMode && !Utilities.isSystemApp(context, intent)) { 2044 info.isDisabled |= ShortcutInfo.FLAG_DISABLED_SAFEMODE; 2045 } 2046 2047 // check & update map of what's occupied 2048 if (!checkItemPlacement(occupied, info, sBgWorkspaceScreens)) { 2049 itemsToRemove.add(id); 2050 break; 2051 } 2052 2053 if (restored) { 2054 ComponentName cn = info.getTargetComponent(); 2055 if (cn != null) { 2056 Integer progress = installingPkgs.get(cn.getPackageName()); 2057 if (progress != null) { 2058 info.setInstallProgress(progress); 2059 } else { 2060 info.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; 2061 } 2062 } 2063 } 2064 2065 switch (container) { 2066 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 2067 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 2068 sBgWorkspaceItems.add(info); 2069 break; 2070 default: 2071 // Item is in a user folder 2072 FolderInfo folderInfo = 2073 findOrMakeFolder(sBgFolders, container); 2074 folderInfo.add(info); 2075 break; 2076 } 2077 sBgItemsIdMap.put(info.id, info); 2078 } else { 2079 throw new RuntimeException("Unexpected null ShortcutInfo"); 2080 } 2081 break; 2082 2083 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 2084 id = c.getLong(idIndex); 2085 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 2086 2087 // Do not trim the folder label, as is was set by the user. 2088 folderInfo.title = c.getString(titleIndex); 2089 folderInfo.id = id; 2090 folderInfo.container = container; 2091 folderInfo.screenId = c.getInt(screenIndex); 2092 folderInfo.cellX = c.getInt(cellXIndex); 2093 folderInfo.cellY = c.getInt(cellYIndex); 2094 folderInfo.spanX = 1; 2095 folderInfo.spanY = 1; 2096 folderInfo.options = c.getInt(optionsIndex); 2097 2098 // check & update map of what's occupied 2099 if (!checkItemPlacement(occupied, folderInfo, sBgWorkspaceScreens)) { 2100 itemsToRemove.add(id); 2101 break; 2102 } 2103 2104 switch (container) { 2105 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 2106 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 2107 sBgWorkspaceItems.add(folderInfo); 2108 break; 2109 } 2110 2111 if (restored) { 2112 // no special handling required for restored folders 2113 restoredRows.add(id); 2114 } 2115 2116 sBgItemsIdMap.put(folderInfo.id, folderInfo); 2117 sBgFolders.put(folderInfo.id, folderInfo); 2118 break; 2119 2120 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 2121 case LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET: 2122 // Read all Launcher-specific widget details 2123 boolean customWidget = itemType == 2124 LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET; 2125 2126 int appWidgetId = c.getInt(appWidgetIdIndex); 2127 serialNumber = c.getLong(profileIdIndex); 2128 String savedProvider = c.getString(appWidgetProviderIndex); 2129 id = c.getLong(idIndex); 2130 user = allUsers.get(serialNumber); 2131 if (user == null) { 2132 itemsToRemove.add(id); 2133 continue; 2134 } 2135 2136 final ComponentName component = 2137 ComponentName.unflattenFromString(savedProvider); 2138 2139 final int restoreStatus = c.getInt(restoredIndex); 2140 final boolean isIdValid = (restoreStatus & 2141 LauncherAppWidgetInfo.FLAG_ID_NOT_VALID) == 0; 2142 final boolean wasProviderReady = (restoreStatus & 2143 LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0; 2144 2145 final LauncherAppWidgetProviderInfo provider = 2146 LauncherModel.getProviderInfo(context, 2147 ComponentName.unflattenFromString(savedProvider), 2148 user); 2149 2150 final boolean isProviderReady = isValidProvider(provider); 2151 if (!isSafeMode && !customWidget && 2152 wasProviderReady && !isProviderReady) { 2153 String log = "Deleting widget that isn't installed anymore: " 2154 + "id=" + id + " appWidgetId=" + appWidgetId; 2155 2156 Log.e(TAG, log); 2157 Launcher.addDumpLog(TAG, log, false); 2158 itemsToRemove.add(id); 2159 } else { 2160 if (isProviderReady) { 2161 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2162 provider.provider); 2163 2164 // The provider is available. So the widget is either 2165 // available or not available. We do not need to track 2166 // any future restore updates. 2167 int status = restoreStatus & 2168 ~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 2169 if (!wasProviderReady) { 2170 // If provider was not previously ready, update the 2171 // status and UI flag. 2172 2173 // Id would be valid only if the widget restore broadcast was received. 2174 if (isIdValid) { 2175 status = LauncherAppWidgetInfo.FLAG_UI_NOT_READY; 2176 } else { 2177 status &= ~LauncherAppWidgetInfo 2178 .FLAG_PROVIDER_NOT_READY; 2179 } 2180 } 2181 appWidgetInfo.restoreStatus = status; 2182 } else { 2183 Log.v(TAG, "Widget restore pending id=" + id 2184 + " appWidgetId=" + appWidgetId 2185 + " status =" + restoreStatus); 2186 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2187 component); 2188 appWidgetInfo.restoreStatus = restoreStatus; 2189 Integer installProgress = installingPkgs.get(component.getPackageName()); 2190 2191 if ((restoreStatus & LauncherAppWidgetInfo.FLAG_RESTORE_STARTED) != 0) { 2192 // Restore has started once. 2193 } else if (installProgress != null) { 2194 // App restore has started. Update the flag 2195 appWidgetInfo.restoreStatus |= 2196 LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 2197 } else if (REMOVE_UNRESTORED_ICONS && !isSafeMode) { 2198 Launcher.addDumpLog(TAG, 2199 "Unrestored widget removed: " + component, true); 2200 itemsToRemove.add(id); 2201 continue; 2202 } 2203 2204 appWidgetInfo.installProgress = 2205 installProgress == null ? 0 : installProgress; 2206 } 2207 2208 appWidgetInfo.id = id; 2209 appWidgetInfo.screenId = c.getInt(screenIndex); 2210 appWidgetInfo.cellX = c.getInt(cellXIndex); 2211 appWidgetInfo.cellY = c.getInt(cellYIndex); 2212 appWidgetInfo.spanX = c.getInt(spanXIndex); 2213 appWidgetInfo.spanY = c.getInt(spanYIndex); 2214 appWidgetInfo.user = user; 2215 2216 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 2217 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2218 Log.e(TAG, "Widget found where container != " + 2219 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 2220 itemsToRemove.add(id); 2221 continue; 2222 } 2223 2224 appWidgetInfo.container = container; 2225 // check & update map of what's occupied 2226 if (!checkItemPlacement(occupied, appWidgetInfo, sBgWorkspaceScreens)) { 2227 itemsToRemove.add(id); 2228 break; 2229 } 2230 2231 if (!customWidget) { 2232 String providerName = 2233 appWidgetInfo.providerName.flattenToString(); 2234 if (!providerName.equals(savedProvider) || 2235 (appWidgetInfo.restoreStatus != restoreStatus)) { 2236 ContentValues values = new ContentValues(); 2237 values.put( 2238 LauncherSettings.Favorites.APPWIDGET_PROVIDER, 2239 providerName); 2240 values.put(LauncherSettings.Favorites.RESTORED, 2241 appWidgetInfo.restoreStatus); 2242 updateItem(id, values); 2243 } 2244 } 2245 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 2246 sBgAppWidgets.add(appWidgetInfo); 2247 } 2248 break; 2249 } 2250 } catch (Exception e) { 2251 Launcher.addDumpLog(TAG, "Desktop items loading interrupted", e, true); 2252 } 2253 } 2254 } finally { 2255 if (c != null) { 2256 c.close(); 2257 } 2258 } 2259 2260 // Break early if we've stopped loading 2261 if (mStopped) { 2262 clearSBgDataStructures(); 2263 return; 2264 } 2265 2266 if (itemsToRemove.size() > 0) { 2267 // Remove dead items 2268 contentResolver.delete(LauncherSettings.Favorites.CONTENT_URI, 2269 Utilities.createDbSelectionQuery( 2270 LauncherSettings.Favorites._ID, itemsToRemove), null); 2271 if (DEBUG_LOADERS) { 2272 Log.d(TAG, "Removed = " + Utilities.createDbSelectionQuery( 2273 LauncherSettings.Favorites._ID, itemsToRemove)); 2274 } 2275 2276 // Remove any empty folder 2277 for (long folderId : LauncherAppState.getLauncherProvider() 2278 .deleteEmptyFolders()) { 2279 sBgWorkspaceItems.remove(sBgFolders.get(folderId)); 2280 sBgFolders.remove(folderId); 2281 sBgItemsIdMap.remove(folderId); 2282 } 2283 } 2284 2285 // Sort all the folder items and make sure the first 3 items are high resolution. 2286 for (FolderInfo folder : sBgFolders) { 2287 Collections.sort(folder.contents, Folder.ITEM_POS_COMPARATOR); 2288 int pos = 0; 2289 for (ShortcutInfo info : folder.contents) { 2290 if (info.usingLowResIcon) { 2291 info.updateIcon(mIconCache, false); 2292 } 2293 pos ++; 2294 if (pos >= FolderIcon.NUM_ITEMS_IN_PREVIEW) { 2295 break; 2296 } 2297 } 2298 } 2299 2300 if (restoredRows.size() > 0) { 2301 // Update restored items that no longer require special handling 2302 ContentValues values = new ContentValues(); 2303 values.put(LauncherSettings.Favorites.RESTORED, 0); 2304 contentResolver.update(LauncherSettings.Favorites.CONTENT_URI, values, 2305 Utilities.createDbSelectionQuery( 2306 LauncherSettings.Favorites._ID, restoredRows), null); 2307 } 2308 2309 if (!isSdCardReady && !sPendingPackages.isEmpty()) { 2310 context.registerReceiver(new AppsAvailabilityCheck(), 2311 new IntentFilter(StartupReceiver.SYSTEM_READY), 2312 null, sWorker); 2313 } 2314 2315 // Remove any empty screens 2316 ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens); 2317 for (ItemInfo item: sBgItemsIdMap) { 2318 long screenId = item.screenId; 2319 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2320 unusedScreens.contains(screenId)) { 2321 unusedScreens.remove(screenId); 2322 } 2323 } 2324 2325 // If there are any empty screens remove them, and update. 2326 if (unusedScreens.size() != 0) { 2327 sBgWorkspaceScreens.removeAll(unusedScreens); 2328 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2329 } 2330 2331 if (DEBUG_LOADERS) { 2332 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 2333 Log.d(TAG, "workspace layout: "); 2334 int nScreens = occupied.size(); 2335 for (int y = 0; y < countY; y++) { 2336 String line = ""; 2337 2338 for (int i = 0; i < nScreens; i++) { 2339 long screenId = occupied.keyAt(i); 2340 if (screenId > 0) { 2341 line += " | "; 2342 } 2343 ItemInfo[][] screen = occupied.valueAt(i); 2344 for (int x = 0; x < countX; x++) { 2345 if (x < screen.length && y < screen[x].length) { 2346 line += (screen[x][y] != null) ? "#" : "."; 2347 } else { 2348 line += "!"; 2349 } 2350 } 2351 } 2352 Log.d(TAG, "[ " + line + " ]"); 2353 } 2354 } 2355 } 2356 } 2357 2358 /** 2359 * Partially updates the item without any notification. Must be called on the worker thread. 2360 */ 2361 private void updateItem(long itemId, ContentValues update) { 2362 mContext.getContentResolver().update( 2363 LauncherSettings.Favorites.CONTENT_URI, 2364 update, 2365 BaseColumns._ID + "= ?", 2366 new String[]{Long.toString(itemId)}); 2367 } 2368 2369 /** Filters the set of items who are directly or indirectly (via another container) on the 2370 * specified screen. */ 2371 private void filterCurrentWorkspaceItems(long currentScreenId, 2372 ArrayList<ItemInfo> allWorkspaceItems, 2373 ArrayList<ItemInfo> currentScreenItems, 2374 ArrayList<ItemInfo> otherScreenItems) { 2375 // Purge any null ItemInfos 2376 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 2377 while (iter.hasNext()) { 2378 ItemInfo i = iter.next(); 2379 if (i == null) { 2380 iter.remove(); 2381 } 2382 } 2383 2384 // Order the set of items by their containers first, this allows use to walk through the 2385 // list sequentially, build up a list of containers that are in the specified screen, 2386 // as well as all items in those containers. 2387 Set<Long> itemsOnScreen = new HashSet<Long>(); 2388 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 2389 @Override 2390 public int compare(ItemInfo lhs, ItemInfo rhs) { 2391 return (int) (lhs.container - rhs.container); 2392 } 2393 }); 2394 for (ItemInfo info : allWorkspaceItems) { 2395 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 2396 if (info.screenId == currentScreenId) { 2397 currentScreenItems.add(info); 2398 itemsOnScreen.add(info.id); 2399 } else { 2400 otherScreenItems.add(info); 2401 } 2402 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2403 currentScreenItems.add(info); 2404 itemsOnScreen.add(info.id); 2405 } else { 2406 if (itemsOnScreen.contains(info.container)) { 2407 currentScreenItems.add(info); 2408 itemsOnScreen.add(info.id); 2409 } else { 2410 otherScreenItems.add(info); 2411 } 2412 } 2413 } 2414 } 2415 2416 /** Filters the set of widgets which are on the specified screen. */ 2417 private void filterCurrentAppWidgets(long currentScreenId, 2418 ArrayList<LauncherAppWidgetInfo> appWidgets, 2419 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 2420 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 2421 2422 for (LauncherAppWidgetInfo widget : appWidgets) { 2423 if (widget == null) continue; 2424 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2425 widget.screenId == currentScreenId) { 2426 currentScreenWidgets.add(widget); 2427 } else { 2428 otherScreenWidgets.add(widget); 2429 } 2430 } 2431 } 2432 2433 /** Filters the set of folders which are on the specified screen. */ 2434 private void filterCurrentFolders(long currentScreenId, 2435 LongArrayMap<ItemInfo> itemsIdMap, 2436 LongArrayMap<FolderInfo> folders, 2437 LongArrayMap<FolderInfo> currentScreenFolders, 2438 LongArrayMap<FolderInfo> otherScreenFolders) { 2439 2440 int total = folders.size(); 2441 for (int i = 0; i < total; i++) { 2442 long id = folders.keyAt(i); 2443 FolderInfo folder = folders.valueAt(i); 2444 2445 ItemInfo info = itemsIdMap.get(id); 2446 if (info == null || folder == null) continue; 2447 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2448 info.screenId == currentScreenId) { 2449 currentScreenFolders.put(id, folder); 2450 } else { 2451 otherScreenFolders.put(id, folder); 2452 } 2453 } 2454 } 2455 2456 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 2457 * right) */ 2458 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 2459 final LauncherAppState app = LauncherAppState.getInstance(); 2460 final InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 2461 // XXX: review this 2462 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 2463 @Override 2464 public int compare(ItemInfo lhs, ItemInfo rhs) { 2465 int cellCountX = (int) profile.numColumns; 2466 int cellCountY = (int) profile.numRows; 2467 int screenOffset = cellCountX * cellCountY; 2468 int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat 2469 long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset + 2470 lhs.cellY * cellCountX + lhs.cellX); 2471 long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset + 2472 rhs.cellY * cellCountX + rhs.cellX); 2473 return (int) (lr - rr); 2474 } 2475 }); 2476 } 2477 2478 private void bindWorkspaceScreens(final Callbacks oldCallbacks, 2479 final ArrayList<Long> orderedScreens) { 2480 final Runnable r = new Runnable() { 2481 @Override 2482 public void run() { 2483 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2484 if (callbacks != null) { 2485 callbacks.bindScreens(orderedScreens); 2486 } 2487 } 2488 }; 2489 runOnMainThread(r); 2490 } 2491 2492 private void bindWorkspaceItems(final Callbacks oldCallbacks, 2493 final ArrayList<ItemInfo> workspaceItems, 2494 final ArrayList<LauncherAppWidgetInfo> appWidgets, 2495 final LongArrayMap<FolderInfo> folders, 2496 ArrayList<Runnable> deferredBindRunnables) { 2497 2498 final boolean postOnMainThread = (deferredBindRunnables != null); 2499 2500 // Bind the workspace items 2501 int N = workspaceItems.size(); 2502 for (int i = 0; i < N; i += ITEMS_CHUNK) { 2503 final int start = i; 2504 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 2505 final Runnable r = new Runnable() { 2506 @Override 2507 public void run() { 2508 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2509 if (callbacks != null) { 2510 callbacks.bindItems(workspaceItems, start, start+chunkSize, 2511 false); 2512 } 2513 } 2514 }; 2515 if (postOnMainThread) { 2516 synchronized (deferredBindRunnables) { 2517 deferredBindRunnables.add(r); 2518 } 2519 } else { 2520 runOnMainThread(r); 2521 } 2522 } 2523 2524 // Bind the folders 2525 if (!folders.isEmpty()) { 2526 final Runnable r = new Runnable() { 2527 public void run() { 2528 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2529 if (callbacks != null) { 2530 callbacks.bindFolders(folders); 2531 } 2532 } 2533 }; 2534 if (postOnMainThread) { 2535 synchronized (deferredBindRunnables) { 2536 deferredBindRunnables.add(r); 2537 } 2538 } else { 2539 runOnMainThread(r); 2540 } 2541 } 2542 2543 // Bind the widgets, one at a time 2544 N = appWidgets.size(); 2545 for (int i = 0; i < N; i++) { 2546 final LauncherAppWidgetInfo widget = appWidgets.get(i); 2547 final Runnable r = new Runnable() { 2548 public void run() { 2549 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2550 if (callbacks != null) { 2551 callbacks.bindAppWidget(widget); 2552 } 2553 } 2554 }; 2555 if (postOnMainThread) { 2556 deferredBindRunnables.add(r); 2557 } else { 2558 runOnMainThread(r); 2559 } 2560 } 2561 } 2562 2563 /** 2564 * Binds all loaded data to actual views on the main thread. 2565 */ 2566 private void bindWorkspace(int synchronizeBindPage) { 2567 final long t = SystemClock.uptimeMillis(); 2568 Runnable r; 2569 2570 // Don't use these two variables in any of the callback runnables. 2571 // Otherwise we hold a reference to them. 2572 final Callbacks oldCallbacks = mCallbacks.get(); 2573 if (oldCallbacks == null) { 2574 // This launcher has exited and nobody bothered to tell us. Just bail. 2575 Log.w(TAG, "LoaderTask running with no launcher"); 2576 return; 2577 } 2578 2579 // Save a copy of all the bg-thread collections 2580 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 2581 ArrayList<LauncherAppWidgetInfo> appWidgets = 2582 new ArrayList<LauncherAppWidgetInfo>(); 2583 ArrayList<Long> orderedScreenIds = new ArrayList<Long>(); 2584 2585 final LongArrayMap<FolderInfo> folders; 2586 final LongArrayMap<ItemInfo> itemsIdMap; 2587 2588 synchronized (sBgLock) { 2589 workspaceItems.addAll(sBgWorkspaceItems); 2590 appWidgets.addAll(sBgAppWidgets); 2591 orderedScreenIds.addAll(sBgWorkspaceScreens); 2592 2593 folders = sBgFolders.clone(); 2594 itemsIdMap = sBgItemsIdMap.clone(); 2595 } 2596 2597 final boolean isLoadingSynchronously = 2598 synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE; 2599 int currScreen = isLoadingSynchronously ? synchronizeBindPage : 2600 oldCallbacks.getCurrentWorkspaceScreen(); 2601 if (currScreen >= orderedScreenIds.size()) { 2602 // There may be no workspace screens (just hotseat items and an empty page). 2603 currScreen = PagedView.INVALID_RESTORE_PAGE; 2604 } 2605 final int currentScreen = currScreen; 2606 final long currentScreenId = currentScreen < 0 2607 ? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen); 2608 2609 // Load all the items that are on the current page first (and in the process, unbind 2610 // all the existing workspace items before we call startBinding() below. 2611 unbindWorkspaceItemsOnMainThread(); 2612 2613 // Separate the items that are on the current screen, and all the other remaining items 2614 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 2615 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 2616 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 2617 new ArrayList<LauncherAppWidgetInfo>(); 2618 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 2619 new ArrayList<LauncherAppWidgetInfo>(); 2620 LongArrayMap<FolderInfo> currentFolders = new LongArrayMap<>(); 2621 LongArrayMap<FolderInfo> otherFolders = new LongArrayMap<>(); 2622 2623 filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems, 2624 otherWorkspaceItems); 2625 filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets, 2626 otherAppWidgets); 2627 filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders, 2628 otherFolders); 2629 sortWorkspaceItemsSpatially(currentWorkspaceItems); 2630 sortWorkspaceItemsSpatially(otherWorkspaceItems); 2631 2632 // Tell the workspace that we're about to start binding items 2633 r = new Runnable() { 2634 public void run() { 2635 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2636 if (callbacks != null) { 2637 callbacks.startBinding(); 2638 } 2639 } 2640 }; 2641 runOnMainThread(r); 2642 2643 bindWorkspaceScreens(oldCallbacks, orderedScreenIds); 2644 2645 // Load items on the current page 2646 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 2647 currentFolders, null); 2648 if (isLoadingSynchronously) { 2649 r = new Runnable() { 2650 public void run() { 2651 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2652 if (callbacks != null && currentScreen != PagedView.INVALID_RESTORE_PAGE) { 2653 callbacks.onPageBoundSynchronously(currentScreen); 2654 } 2655 } 2656 }; 2657 runOnMainThread(r); 2658 } 2659 2660 // Load all the remaining pages (if we are loading synchronously, we want to defer this 2661 // work until after the first render) 2662 synchronized (mDeferredBindRunnables) { 2663 mDeferredBindRunnables.clear(); 2664 } 2665 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, 2666 (isLoadingSynchronously ? mDeferredBindRunnables : null)); 2667 2668 // Tell the workspace that we're done binding items 2669 r = new Runnable() { 2670 public void run() { 2671 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2672 if (callbacks != null) { 2673 callbacks.finishBindingItems(); 2674 } 2675 2676 mIsLoadingAndBindingWorkspace = false; 2677 2678 // Run all the bind complete runnables after workspace is bound. 2679 if (!mBindCompleteRunnables.isEmpty()) { 2680 synchronized (mBindCompleteRunnables) { 2681 for (final Runnable r : mBindCompleteRunnables) { 2682 runOnWorkerThread(r); 2683 } 2684 mBindCompleteRunnables.clear(); 2685 } 2686 } 2687 2688 // If we're profiling, ensure this is the last thing in the queue. 2689 if (DEBUG_LOADERS) { 2690 Log.d(TAG, "bound workspace in " 2691 + (SystemClock.uptimeMillis()-t) + "ms"); 2692 } 2693 2694 } 2695 }; 2696 if (isLoadingSynchronously) { 2697 synchronized (mDeferredBindRunnables) { 2698 mDeferredBindRunnables.add(r); 2699 } 2700 } else { 2701 runOnMainThread(r); 2702 } 2703 } 2704 2705 private void loadAndBindAllApps() { 2706 if (DEBUG_LOADERS) { 2707 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 2708 } 2709 if (!mAllAppsLoaded) { 2710 loadAllApps(); 2711 synchronized (LoaderTask.this) { 2712 if (mStopped) { 2713 return; 2714 } 2715 } 2716 updateIconCache(); 2717 synchronized (LoaderTask.this) { 2718 if (mStopped) { 2719 return; 2720 } 2721 mAllAppsLoaded = true; 2722 } 2723 } else { 2724 onlyBindAllApps(); 2725 } 2726 } 2727 2728 private void updateIconCache() { 2729 // Ignore packages which have a promise icon. 2730 HashSet<String> packagesToIgnore = new HashSet<>(); 2731 synchronized (sBgLock) { 2732 for (ItemInfo info : sBgItemsIdMap) { 2733 if (info instanceof ShortcutInfo) { 2734 ShortcutInfo si = (ShortcutInfo) info; 2735 if (si.isPromise() && si.getTargetComponent() != null) { 2736 packagesToIgnore.add(si.getTargetComponent().getPackageName()); 2737 } 2738 } else if (info instanceof LauncherAppWidgetInfo) { 2739 LauncherAppWidgetInfo lawi = (LauncherAppWidgetInfo) info; 2740 if (lawi.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)) { 2741 packagesToIgnore.add(lawi.providerName.getPackageName()); 2742 } 2743 } 2744 } 2745 } 2746 mIconCache.updateDbIcons(packagesToIgnore); 2747 } 2748 2749 private void onlyBindAllApps() { 2750 final Callbacks oldCallbacks = mCallbacks.get(); 2751 if (oldCallbacks == null) { 2752 // This launcher has exited and nobody bothered to tell us. Just bail. 2753 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 2754 return; 2755 } 2756 2757 // shallow copy 2758 @SuppressWarnings("unchecked") 2759 final ArrayList<AppInfo> list 2760 = (ArrayList<AppInfo>) mBgAllAppsList.data.clone(); 2761 final WidgetsModel widgetList = mBgWidgetsModel.clone(); 2762 Runnable r = new Runnable() { 2763 public void run() { 2764 final long t = SystemClock.uptimeMillis(); 2765 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2766 if (callbacks != null) { 2767 callbacks.bindAllApplications(list); 2768 callbacks.bindAllPackages(widgetList); 2769 } 2770 if (DEBUG_LOADERS) { 2771 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 2772 + (SystemClock.uptimeMillis()-t) + "ms"); 2773 } 2774 } 2775 }; 2776 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 2777 if (isRunningOnMainThread) { 2778 r.run(); 2779 } else { 2780 mHandler.post(r); 2781 } 2782 } 2783 2784 private void loadAllApps() { 2785 final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2786 2787 final Callbacks oldCallbacks = mCallbacks.get(); 2788 if (oldCallbacks == null) { 2789 // This launcher has exited and nobody bothered to tell us. Just bail. 2790 Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); 2791 return; 2792 } 2793 2794 final List<UserHandleCompat> profiles = mUserManager.getUserProfiles(); 2795 2796 // Clear the list of apps 2797 mBgAllAppsList.clear(); 2798 for (UserHandleCompat user : profiles) { 2799 // Query for the set of apps 2800 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2801 final List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user); 2802 if (DEBUG_LOADERS) { 2803 Log.d(TAG, "getActivityList took " 2804 + (SystemClock.uptimeMillis()-qiaTime) + "ms for user " + user); 2805 Log.d(TAG, "getActivityList got " + apps.size() + " apps for user " + user); 2806 } 2807 // Fail if we don't have any apps 2808 // TODO: Fix this. Only fail for the current user. 2809 if (apps == null || apps.isEmpty()) { 2810 return; 2811 } 2812 2813 // Create the ApplicationInfos 2814 for (int i = 0; i < apps.size(); i++) { 2815 LauncherActivityInfoCompat app = apps.get(i); 2816 // This builds the icon bitmaps. 2817 mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache)); 2818 } 2819 2820 final ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(mContext, user); 2821 if (heuristic != null) { 2822 final Runnable r = new Runnable() { 2823 2824 @Override 2825 public void run() { 2826 heuristic.processUserApps(apps); 2827 } 2828 }; 2829 runOnMainThread(new Runnable() { 2830 2831 @Override 2832 public void run() { 2833 // Check isLoadingWorkspace on the UI thread, as it is updated on 2834 // the UI thread. 2835 if (mIsLoadingAndBindingWorkspace) { 2836 synchronized (mBindCompleteRunnables) { 2837 mBindCompleteRunnables.add(r); 2838 } 2839 } else { 2840 runOnWorkerThread(r); 2841 } 2842 } 2843 }); 2844 } 2845 } 2846 // Huh? Shouldn't this be inside the Runnable below? 2847 final ArrayList<AppInfo> added = mBgAllAppsList.added; 2848 mBgAllAppsList.added = new ArrayList<AppInfo>(); 2849 2850 // Post callback on main thread 2851 mHandler.post(new Runnable() { 2852 public void run() { 2853 2854 final long bindTime = SystemClock.uptimeMillis(); 2855 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2856 if (callbacks != null) { 2857 callbacks.bindAllApplications(added); 2858 if (DEBUG_LOADERS) { 2859 Log.d(TAG, "bound " + added.size() + " apps in " 2860 + (SystemClock.uptimeMillis() - bindTime) + "ms"); 2861 } 2862 } else { 2863 Log.i(TAG, "not binding apps: no Launcher activity"); 2864 } 2865 } 2866 }); 2867 // Cleanup any data stored for a deleted user. 2868 ManagedProfileHeuristic.processAllUsers(profiles, mContext); 2869 2870 loadAndBindWidgetsAndShortcuts(tryGetCallbacks(oldCallbacks), true /* refresh */); 2871 if (DEBUG_LOADERS) { 2872 Log.d(TAG, "Icons processed in " 2873 + (SystemClock.uptimeMillis() - loadTime) + "ms"); 2874 } 2875 } 2876 2877 public void dumpState() { 2878 synchronized (sBgLock) { 2879 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 2880 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 2881 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 2882 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 2883 } 2884 } 2885 } 2886 2887 /** 2888 * Called when the icons for packages have been updated in the icon cache. 2889 */ 2890 public void onPackageIconsUpdated(HashSet<String> updatedPackages, UserHandleCompat user) { 2891 final Callbacks callbacks = getCallback(); 2892 final ArrayList<AppInfo> updatedApps = new ArrayList<>(); 2893 final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>(); 2894 2895 // If any package icon has changed (app was updated while launcher was dead), 2896 // update the corresponding shortcuts. 2897 synchronized (sBgLock) { 2898 for (ItemInfo info : sBgItemsIdMap) { 2899 if (info instanceof ShortcutInfo && user.equals(info.user) 2900 && info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 2901 ShortcutInfo si = (ShortcutInfo) info; 2902 ComponentName cn = si.getTargetComponent(); 2903 if (cn != null && updatedPackages.contains(cn.getPackageName())) { 2904 si.updateIcon(mIconCache); 2905 updatedShortcuts.add(si); 2906 } 2907 } 2908 } 2909 mBgAllAppsList.updateIconsAndLabels(updatedPackages, user, updatedApps); 2910 } 2911 2912 if (!updatedShortcuts.isEmpty()) { 2913 final UserHandleCompat userFinal = user; 2914 mHandler.post(new Runnable() { 2915 2916 public void run() { 2917 Callbacks cb = getCallback(); 2918 if (cb != null && callbacks == cb) { 2919 cb.bindShortcutsChanged(updatedShortcuts, 2920 new ArrayList<ShortcutInfo>(), userFinal); 2921 } 2922 } 2923 }); 2924 } 2925 2926 if (!updatedApps.isEmpty()) { 2927 mHandler.post(new Runnable() { 2928 2929 public void run() { 2930 Callbacks cb = getCallback(); 2931 if (cb != null && callbacks == cb) { 2932 cb.bindAppsUpdated(updatedApps); 2933 } 2934 } 2935 }); 2936 } 2937 2938 // Reload widget list. No need to refresh, as we only want to update the icons and labels. 2939 loadAndBindWidgetsAndShortcuts(callbacks, false); 2940 } 2941 2942 void enqueuePackageUpdated(PackageUpdatedTask task) { 2943 sWorker.post(task); 2944 } 2945 2946 @Thunk class AppsAvailabilityCheck extends BroadcastReceiver { 2947 2948 @Override 2949 public void onReceive(Context context, Intent intent) { 2950 synchronized (sBgLock) { 2951 final LauncherAppsCompat launcherApps = LauncherAppsCompat 2952 .getInstance(mApp.getContext()); 2953 final PackageManager manager = context.getPackageManager(); 2954 final ArrayList<String> packagesRemoved = new ArrayList<String>(); 2955 final ArrayList<String> packagesUnavailable = new ArrayList<String>(); 2956 for (Entry<UserHandleCompat, HashSet<String>> entry : sPendingPackages.entrySet()) { 2957 UserHandleCompat user = entry.getKey(); 2958 packagesRemoved.clear(); 2959 packagesUnavailable.clear(); 2960 for (String pkg : entry.getValue()) { 2961 if (!launcherApps.isPackageEnabledForProfile(pkg, user)) { 2962 boolean packageOnSdcard = launcherApps.isAppEnabled( 2963 manager, pkg, PackageManager.GET_UNINSTALLED_PACKAGES); 2964 if (packageOnSdcard) { 2965 Launcher.addDumpLog(TAG, "Package found on sd-card: " + pkg, true); 2966 packagesUnavailable.add(pkg); 2967 } else { 2968 Launcher.addDumpLog(TAG, "Package not found: " + pkg, true); 2969 packagesRemoved.add(pkg); 2970 } 2971 } 2972 } 2973 if (!packagesRemoved.isEmpty()) { 2974 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_REMOVE, 2975 packagesRemoved.toArray(new String[packagesRemoved.size()]), user)); 2976 } 2977 if (!packagesUnavailable.isEmpty()) { 2978 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UNAVAILABLE, 2979 packagesUnavailable.toArray(new String[packagesUnavailable.size()]), user)); 2980 } 2981 } 2982 sPendingPackages.clear(); 2983 } 2984 } 2985 } 2986 2987 private class PackageUpdatedTask implements Runnable { 2988 int mOp; 2989 String[] mPackages; 2990 UserHandleCompat mUser; 2991 2992 public static final int OP_NONE = 0; 2993 public static final int OP_ADD = 1; 2994 public static final int OP_UPDATE = 2; 2995 public static final int OP_REMOVE = 3; // uninstlled 2996 public static final int OP_UNAVAILABLE = 4; // external media unmounted 2997 2998 2999 public PackageUpdatedTask(int op, String[] packages, UserHandleCompat user) { 3000 mOp = op; 3001 mPackages = packages; 3002 mUser = user; 3003 } 3004 3005 public void run() { 3006 if (!mHasLoaderCompletedOnce) { 3007 // Loader has not yet run. 3008 return; 3009 } 3010 final Context context = mApp.getContext(); 3011 3012 final String[] packages = mPackages; 3013 final int N = packages.length; 3014 switch (mOp) { 3015 case OP_ADD: { 3016 for (int i=0; i<N; i++) { 3017 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 3018 mIconCache.updateIconsForPkg(packages[i], mUser); 3019 mBgAllAppsList.addPackage(context, packages[i], mUser); 3020 } 3021 3022 ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser); 3023 if (heuristic != null) { 3024 heuristic.processPackageAdd(mPackages); 3025 } 3026 break; 3027 } 3028 case OP_UPDATE: 3029 for (int i=0; i<N; i++) { 3030 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 3031 mIconCache.updateIconsForPkg(packages[i], mUser); 3032 mBgAllAppsList.updatePackage(context, packages[i], mUser); 3033 mApp.getWidgetCache().removePackage(packages[i], mUser); 3034 } 3035 break; 3036 case OP_REMOVE: { 3037 ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser); 3038 if (heuristic != null) { 3039 heuristic.processPackageRemoved(mPackages); 3040 } 3041 for (int i=0; i<N; i++) { 3042 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 3043 mIconCache.removeIconsForPkg(packages[i], mUser); 3044 } 3045 // Fall through 3046 } 3047 case OP_UNAVAILABLE: 3048 for (int i=0; i<N; i++) { 3049 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 3050 mBgAllAppsList.removePackage(packages[i], mUser); 3051 mApp.getWidgetCache().removePackage(packages[i], mUser); 3052 } 3053 break; 3054 } 3055 3056 ArrayList<AppInfo> added = null; 3057 ArrayList<AppInfo> modified = null; 3058 final ArrayList<AppInfo> removedApps = new ArrayList<AppInfo>(); 3059 3060 if (mBgAllAppsList.added.size() > 0) { 3061 added = new ArrayList<AppInfo>(mBgAllAppsList.added); 3062 mBgAllAppsList.added.clear(); 3063 } 3064 if (mBgAllAppsList.modified.size() > 0) { 3065 modified = new ArrayList<AppInfo>(mBgAllAppsList.modified); 3066 mBgAllAppsList.modified.clear(); 3067 } 3068 if (mBgAllAppsList.removed.size() > 0) { 3069 removedApps.addAll(mBgAllAppsList.removed); 3070 mBgAllAppsList.removed.clear(); 3071 } 3072 3073 final Callbacks callbacks = getCallback(); 3074 if (callbacks == null) { 3075 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 3076 return; 3077 } 3078 3079 final HashMap<ComponentName, AppInfo> addedOrUpdatedApps = 3080 new HashMap<ComponentName, AppInfo>(); 3081 3082 if (added != null) { 3083 addAppsToAllApps(context, added); 3084 for (AppInfo ai : added) { 3085 addedOrUpdatedApps.put(ai.componentName, ai); 3086 } 3087 } 3088 3089 if (modified != null) { 3090 final ArrayList<AppInfo> modifiedFinal = modified; 3091 for (AppInfo ai : modified) { 3092 addedOrUpdatedApps.put(ai.componentName, ai); 3093 } 3094 3095 mHandler.post(new Runnable() { 3096 public void run() { 3097 Callbacks cb = getCallback(); 3098 if (callbacks == cb && cb != null) { 3099 callbacks.bindAppsUpdated(modifiedFinal); 3100 } 3101 } 3102 }); 3103 } 3104 3105 // Update shortcut infos 3106 if (mOp == OP_ADD || mOp == OP_UPDATE) { 3107 final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<ShortcutInfo>(); 3108 final ArrayList<ShortcutInfo> removedShortcuts = new ArrayList<ShortcutInfo>(); 3109 final ArrayList<LauncherAppWidgetInfo> widgets = new ArrayList<LauncherAppWidgetInfo>(); 3110 3111 HashSet<String> packageSet = new HashSet<String>(Arrays.asList(packages)); 3112 synchronized (sBgLock) { 3113 for (ItemInfo info : sBgItemsIdMap) { 3114 if (info instanceof ShortcutInfo && mUser.equals(info.user)) { 3115 ShortcutInfo si = (ShortcutInfo) info; 3116 boolean infoUpdated = false; 3117 boolean shortcutUpdated = false; 3118 3119 // Update shortcuts which use iconResource. 3120 if ((si.iconResource != null) 3121 && packageSet.contains(si.iconResource.packageName)) { 3122 Bitmap icon = Utilities.createIconBitmap( 3123 si.iconResource.packageName, 3124 si.iconResource.resourceName, context); 3125 if (icon != null) { 3126 si.setIcon(icon); 3127 si.usingFallbackIcon = false; 3128 infoUpdated = true; 3129 } 3130 } 3131 3132 ComponentName cn = si.getTargetComponent(); 3133 if (cn != null && packageSet.contains(cn.getPackageName())) { 3134 AppInfo appInfo = addedOrUpdatedApps.get(cn); 3135 3136 if (si.isPromise()) { 3137 if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { 3138 // Auto install icon 3139 PackageManager pm = context.getPackageManager(); 3140 ResolveInfo matched = pm.resolveActivity( 3141 new Intent(Intent.ACTION_MAIN) 3142 .setComponent(cn).addCategory(Intent.CATEGORY_LAUNCHER), 3143 PackageManager.MATCH_DEFAULT_ONLY); 3144 if (matched == null) { 3145 // Try to find the best match activity. 3146 Intent intent = pm.getLaunchIntentForPackage( 3147 cn.getPackageName()); 3148 if (intent != null) { 3149 cn = intent.getComponent(); 3150 appInfo = addedOrUpdatedApps.get(cn); 3151 } 3152 3153 if ((intent == null) || (appInfo == null)) { 3154 removedShortcuts.add(si); 3155 continue; 3156 } 3157 si.promisedIntent = intent; 3158 } 3159 } 3160 3161 // Restore the shortcut. 3162 if (appInfo != null) { 3163 si.flags = appInfo.flags; 3164 } 3165 3166 si.intent = si.promisedIntent; 3167 si.promisedIntent = null; 3168 si.status = ShortcutInfo.DEFAULT; 3169 infoUpdated = true; 3170 si.updateIcon(mIconCache); 3171 } 3172 3173 if (appInfo != null && Intent.ACTION_MAIN.equals(si.intent.getAction()) 3174 && si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 3175 si.updateIcon(mIconCache); 3176 si.title = Utilities.trim(appInfo.title); 3177 si.contentDescription = appInfo.contentDescription; 3178 infoUpdated = true; 3179 } 3180 3181 if ((si.isDisabled & ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE) != 0) { 3182 // Since package was just updated, the target must be available now. 3183 si.isDisabled &= ~ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 3184 shortcutUpdated = true; 3185 } 3186 } 3187 3188 if (infoUpdated || shortcutUpdated) { 3189 updatedShortcuts.add(si); 3190 } 3191 if (infoUpdated) { 3192 updateItemInDatabase(context, si); 3193 } 3194 } else if (info instanceof LauncherAppWidgetInfo) { 3195 LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo) info; 3196 if (mUser.equals(widgetInfo.user) 3197 && widgetInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) 3198 && packageSet.contains(widgetInfo.providerName.getPackageName())) { 3199 widgetInfo.restoreStatus &= 3200 ~LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY & 3201 ~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 3202 3203 // adding this flag ensures that launcher shows 'click to setup' 3204 // if the widget has a config activity. In case there is no config 3205 // activity, it will be marked as 'restored' during bind. 3206 widgetInfo.restoreStatus |= LauncherAppWidgetInfo.FLAG_UI_NOT_READY; 3207 3208 widgets.add(widgetInfo); 3209 updateItemInDatabase(context, widgetInfo); 3210 } 3211 } 3212 } 3213 } 3214 3215 if (!updatedShortcuts.isEmpty() || !removedShortcuts.isEmpty()) { 3216 mHandler.post(new Runnable() { 3217 3218 public void run() { 3219 Callbacks cb = getCallback(); 3220 if (callbacks == cb && cb != null) { 3221 callbacks.bindShortcutsChanged( 3222 updatedShortcuts, removedShortcuts, mUser); 3223 } 3224 } 3225 }); 3226 if (!removedShortcuts.isEmpty()) { 3227 deleteItemsFromDatabase(context, removedShortcuts); 3228 } 3229 } 3230 if (!widgets.isEmpty()) { 3231 mHandler.post(new Runnable() { 3232 public void run() { 3233 Callbacks cb = getCallback(); 3234 if (callbacks == cb && cb != null) { 3235 callbacks.bindWidgetsRestored(widgets); 3236 } 3237 } 3238 }); 3239 } 3240 } 3241 3242 final ArrayList<String> removedPackageNames = 3243 new ArrayList<String>(); 3244 if (mOp == OP_REMOVE || mOp == OP_UNAVAILABLE) { 3245 // Mark all packages in the broadcast to be removed 3246 removedPackageNames.addAll(Arrays.asList(packages)); 3247 } else if (mOp == OP_UPDATE) { 3248 // Mark disabled packages in the broadcast to be removed 3249 for (int i=0; i<N; i++) { 3250 if (isPackageDisabled(context, packages[i], mUser)) { 3251 removedPackageNames.add(packages[i]); 3252 } 3253 } 3254 } 3255 3256 if (!removedPackageNames.isEmpty() || !removedApps.isEmpty()) { 3257 final int removeReason; 3258 if (mOp == OP_UNAVAILABLE) { 3259 removeReason = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 3260 } else { 3261 // Remove all the components associated with this package 3262 for (String pn : removedPackageNames) { 3263 deletePackageFromDatabase(context, pn, mUser); 3264 } 3265 // Remove all the specific components 3266 for (AppInfo a : removedApps) { 3267 ArrayList<ItemInfo> infos = getItemInfoForComponentName(a.componentName, mUser); 3268 deleteItemsFromDatabase(context, infos); 3269 } 3270 removeReason = 0; 3271 } 3272 3273 // Remove any queued items from the install queue 3274 InstallShortcutReceiver.removeFromInstallQueue(context, removedPackageNames, mUser); 3275 // Call the components-removed callback 3276 mHandler.post(new Runnable() { 3277 public void run() { 3278 Callbacks cb = getCallback(); 3279 if (callbacks == cb && cb != null) { 3280 callbacks.bindComponentsRemoved( 3281 removedPackageNames, removedApps, mUser, removeReason); 3282 } 3283 } 3284 }); 3285 } 3286 3287 // Update widgets 3288 if (mOp == OP_ADD || mOp == OP_REMOVE || mOp == OP_UPDATE) { 3289 // Always refresh for a package event on secondary user 3290 boolean needToRefresh = !mUser.equals(UserHandleCompat.myUserHandle()); 3291 3292 // Refresh widget list, if the package already had a widget. 3293 synchronized (sBgLock) { 3294 if (sBgWidgetProviders != null) { 3295 HashSet<String> pkgSet = new HashSet<>(); 3296 Collections.addAll(pkgSet, mPackages); 3297 3298 for (ComponentKey key : sBgWidgetProviders.keySet()) { 3299 needToRefresh |= key.user.equals(mUser) && 3300 pkgSet.contains(key.componentName.getPackageName()); 3301 } 3302 } 3303 } 3304 3305 if (!needToRefresh && mOp != OP_REMOVE) { 3306 // Refresh widget list, if there is any newly added widget 3307 PackageManager pm = context.getPackageManager(); 3308 for (String pkg : mPackages) { 3309 try { 3310 needToRefresh |= !pm.queryBroadcastReceivers( 3311 new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE) 3312 .setPackage(pkg), 0).isEmpty(); 3313 } catch (RuntimeException e) { 3314 if (LauncherAppState.isDogfoodBuild()) { 3315 throw e; 3316 } 3317 // Ignore the crash. We can live with a state widget list. 3318 Log.e(TAG, "PM call failed for " + pkg, e); 3319 } 3320 } 3321 } 3322 3323 loadAndBindWidgetsAndShortcuts(callbacks, needToRefresh); 3324 } 3325 3326 // Write all the logs to disk 3327 mHandler.post(new Runnable() { 3328 public void run() { 3329 Callbacks cb = getCallback(); 3330 if (callbacks == cb && cb != null) { 3331 callbacks.dumpLogsToLocalData(); 3332 } 3333 } 3334 }); 3335 } 3336 } 3337 3338 public static List<LauncherAppWidgetProviderInfo> getWidgetProviders(Context context, 3339 boolean refresh) { 3340 ArrayList<LauncherAppWidgetProviderInfo> results = 3341 new ArrayList<LauncherAppWidgetProviderInfo>(); 3342 try { 3343 synchronized (sBgLock) { 3344 if (sBgWidgetProviders == null || refresh) { 3345 HashMap<ComponentKey, LauncherAppWidgetProviderInfo> tmpWidgetProviders 3346 = new HashMap<>(); 3347 AppWidgetManagerCompat wm = AppWidgetManagerCompat.getInstance(context); 3348 LauncherAppWidgetProviderInfo info; 3349 3350 List<AppWidgetProviderInfo> widgets = wm.getAllProviders(); 3351 for (AppWidgetProviderInfo pInfo : widgets) { 3352 info = LauncherAppWidgetProviderInfo.fromProviderInfo(context, pInfo); 3353 UserHandleCompat user = wm.getUser(info); 3354 tmpWidgetProviders.put(new ComponentKey(info.provider, user), info); 3355 } 3356 3357 Collection<CustomAppWidget> customWidgets = Launcher.getCustomAppWidgets().values(); 3358 for (CustomAppWidget widget : customWidgets) { 3359 info = new LauncherAppWidgetProviderInfo(context, widget); 3360 UserHandleCompat user = wm.getUser(info); 3361 tmpWidgetProviders.put(new ComponentKey(info.provider, user), info); 3362 } 3363 // Replace the global list at the very end, so that if there is an exception, 3364 // previously loaded provider list is used. 3365 sBgWidgetProviders = tmpWidgetProviders; 3366 } 3367 results.addAll(sBgWidgetProviders.values()); 3368 return results; 3369 } 3370 } catch (Exception e) { 3371 if (!LauncherAppState.isDogfoodBuild() && 3372 (e.getCause() instanceof TransactionTooLargeException || 3373 e.getCause() instanceof DeadObjectException)) { 3374 // the returned value may be incomplete and will not be refreshed until the next 3375 // time Launcher starts. 3376 // TODO: after figuring out a repro step, introduce a dirty bit to check when 3377 // onResume is called to refresh the widget provider list. 3378 synchronized (sBgLock) { 3379 if (sBgWidgetProviders != null) { 3380 results.addAll(sBgWidgetProviders.values()); 3381 } 3382 return results; 3383 } 3384 } else { 3385 throw e; 3386 } 3387 } 3388 } 3389 3390 public static LauncherAppWidgetProviderInfo getProviderInfo(Context ctx, ComponentName name, 3391 UserHandleCompat user) { 3392 synchronized (sBgLock) { 3393 if (sBgWidgetProviders == null) { 3394 getWidgetProviders(ctx, false /* refresh */); 3395 } 3396 return sBgWidgetProviders.get(new ComponentKey(name, user)); 3397 } 3398 } 3399 3400 public void loadAndBindWidgetsAndShortcuts(final Callbacks callbacks, final boolean refresh) { 3401 3402 runOnWorkerThread(new Runnable() { 3403 @Override 3404 public void run() { 3405 updateWidgetsModel(refresh); 3406 final WidgetsModel model = mBgWidgetsModel.clone(); 3407 3408 mHandler.post(new Runnable() { 3409 @Override 3410 public void run() { 3411 Callbacks cb = getCallback(); 3412 if (callbacks == cb && cb != null) { 3413 callbacks.bindAllPackages(model); 3414 } 3415 } 3416 }); 3417 // update the Widget entries inside DB on the worker thread. 3418 LauncherAppState.getInstance().getWidgetCache().removeObsoletePreviews( 3419 model.getRawList()); 3420 } 3421 }); 3422 } 3423 3424 /** 3425 * Returns a list of ResolveInfos/AppWidgetInfos. 3426 * 3427 * @see #loadAndBindWidgetsAndShortcuts 3428 */ 3429 @Thunk void updateWidgetsModel(boolean refresh) { 3430 PackageManager packageManager = mApp.getContext().getPackageManager(); 3431 final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>(); 3432 widgetsAndShortcuts.addAll(getWidgetProviders(mApp.getContext(), refresh)); 3433 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 3434 widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0)); 3435 mBgWidgetsModel.setWidgetsAndShortcuts(widgetsAndShortcuts); 3436 } 3437 3438 @Thunk static boolean isPackageDisabled(Context context, String packageName, 3439 UserHandleCompat user) { 3440 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3441 return !launcherApps.isPackageEnabledForProfile(packageName, user); 3442 } 3443 3444 public static boolean isValidPackageActivity(Context context, ComponentName cn, 3445 UserHandleCompat user) { 3446 if (cn == null) { 3447 return false; 3448 } 3449 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3450 if (!launcherApps.isPackageEnabledForProfile(cn.getPackageName(), user)) { 3451 return false; 3452 } 3453 return launcherApps.isActivityEnabledForProfile(cn, user); 3454 } 3455 3456 public static boolean isValidPackage(Context context, String packageName, 3457 UserHandleCompat user) { 3458 if (packageName == null) { 3459 return false; 3460 } 3461 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3462 return launcherApps.isPackageEnabledForProfile(packageName, user); 3463 } 3464 3465 /** 3466 * Make an ShortcutInfo object for a restored application or shortcut item that points 3467 * to a package that is not yet installed on the system. 3468 */ 3469 public ShortcutInfo getRestoredItemInfo(Cursor c, int titleIndex, Intent intent, 3470 int promiseType, int itemType, CursorIconInfo iconInfo, Context context) { 3471 final ShortcutInfo info = new ShortcutInfo(); 3472 info.user = UserHandleCompat.myUserHandle(); 3473 3474 Bitmap icon = iconInfo.loadIcon(c, info, context); 3475 // the fallback icon 3476 if (icon == null) { 3477 mIconCache.getTitleAndIcon(info, intent, info.user, false /* useLowResIcon */); 3478 } else { 3479 info.setIcon(icon); 3480 } 3481 3482 if ((promiseType & ShortcutInfo.FLAG_RESTORED_ICON) != 0) { 3483 String title = (c != null) ? c.getString(titleIndex) : null; 3484 if (!TextUtils.isEmpty(title)) { 3485 info.title = Utilities.trim(title); 3486 } 3487 } else if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { 3488 if (TextUtils.isEmpty(info.title)) { 3489 info.title = (c != null) ? Utilities.trim(c.getString(titleIndex)) : ""; 3490 } 3491 } else { 3492 throw new InvalidParameterException("Invalid restoreType " + promiseType); 3493 } 3494 3495 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3496 info.itemType = itemType; 3497 info.promisedIntent = intent; 3498 info.status = promiseType; 3499 return info; 3500 } 3501 3502 /** 3503 * Make an Intent object for a restored application or shortcut item that points 3504 * to the market page for the item. 3505 */ 3506 @Thunk Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) { 3507 ComponentName componentName = intent.getComponent(); 3508 return getMarketIntent(componentName.getPackageName()); 3509 } 3510 3511 static Intent getMarketIntent(String packageName) { 3512 return new Intent(Intent.ACTION_VIEW) 3513 .setData(new Uri.Builder() 3514 .scheme("market") 3515 .authority("details") 3516 .appendQueryParameter("id", packageName) 3517 .build()); 3518 } 3519 3520 /** 3521 * Make an ShortcutInfo object for a shortcut that is an application. 3522 * 3523 * If c is not null, then it will be used to fill in missing data like the title and icon. 3524 */ 3525 public ShortcutInfo getAppShortcutInfo(PackageManager manager, Intent intent, 3526 UserHandleCompat user, Context context, Cursor c, int iconIndex, int titleIndex, 3527 boolean allowMissingTarget, boolean useLowResIcon) { 3528 if (user == null) { 3529 Log.d(TAG, "Null user found in getShortcutInfo"); 3530 return null; 3531 } 3532 3533 ComponentName componentName = intent.getComponent(); 3534 if (componentName == null) { 3535 Log.d(TAG, "Missing component found in getShortcutInfo: " + componentName); 3536 return null; 3537 } 3538 3539 Intent newIntent = new Intent(intent.getAction(), null); 3540 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 3541 newIntent.setComponent(componentName); 3542 LauncherActivityInfoCompat lai = mLauncherApps.resolveActivity(newIntent, user); 3543 if ((lai == null) && !allowMissingTarget) { 3544 Log.d(TAG, "Missing activity found in getShortcutInfo: " + componentName); 3545 return null; 3546 } 3547 3548 final ShortcutInfo info = new ShortcutInfo(); 3549 mIconCache.getTitleAndIcon(info, componentName, lai, user, false, useLowResIcon); 3550 if (mIconCache.isDefaultIcon(info.getIcon(mIconCache), user) && c != null) { 3551 Bitmap icon = Utilities.createIconBitmap(c, iconIndex, context); 3552 info.setIcon(icon == null ? mIconCache.getDefaultIcon(user) : icon); 3553 } 3554 3555 // from the db 3556 if (TextUtils.isEmpty(info.title) && c != null) { 3557 info.title = Utilities.trim(c.getString(titleIndex)); 3558 } 3559 3560 // fall back to the class name of the activity 3561 if (info.title == null) { 3562 info.title = componentName.getClassName(); 3563 } 3564 3565 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 3566 info.user = user; 3567 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3568 if (lai != null) { 3569 info.flags = AppInfo.initFlags(lai); 3570 } 3571 return info; 3572 } 3573 3574 static ArrayList<ItemInfo> filterItemInfos(Iterable<ItemInfo> infos, 3575 ItemInfoFilter f) { 3576 HashSet<ItemInfo> filtered = new HashSet<ItemInfo>(); 3577 for (ItemInfo i : infos) { 3578 if (i instanceof ShortcutInfo) { 3579 ShortcutInfo info = (ShortcutInfo) i; 3580 ComponentName cn = info.getTargetComponent(); 3581 if (cn != null && f.filterItem(null, info, cn)) { 3582 filtered.add(info); 3583 } 3584 } else if (i instanceof FolderInfo) { 3585 FolderInfo info = (FolderInfo) i; 3586 for (ShortcutInfo s : info.contents) { 3587 ComponentName cn = s.getTargetComponent(); 3588 if (cn != null && f.filterItem(info, s, cn)) { 3589 filtered.add(s); 3590 } 3591 } 3592 } else if (i instanceof LauncherAppWidgetInfo) { 3593 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; 3594 ComponentName cn = info.providerName; 3595 if (cn != null && f.filterItem(null, info, cn)) { 3596 filtered.add(info); 3597 } 3598 } 3599 } 3600 return new ArrayList<ItemInfo>(filtered); 3601 } 3602 3603 @Thunk ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname, 3604 final UserHandleCompat user) { 3605 ItemInfoFilter filter = new ItemInfoFilter() { 3606 @Override 3607 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 3608 if (info.user == null) { 3609 return cn.equals(cname); 3610 } else { 3611 return cn.equals(cname) && info.user.equals(user); 3612 } 3613 } 3614 }; 3615 return filterItemInfos(sBgItemsIdMap, filter); 3616 } 3617 3618 /** 3619 * Make an ShortcutInfo object for a shortcut that isn't an application. 3620 */ 3621 @Thunk ShortcutInfo getShortcutInfo(Cursor c, Context context, 3622 int titleIndex, CursorIconInfo iconInfo) { 3623 final ShortcutInfo info = new ShortcutInfo(); 3624 // Non-app shortcuts are only supported for current user. 3625 info.user = UserHandleCompat.myUserHandle(); 3626 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 3627 3628 // TODO: If there's an explicit component and we can't install that, delete it. 3629 3630 info.title = Utilities.trim(c.getString(titleIndex)); 3631 3632 Bitmap icon = iconInfo.loadIcon(c, info, context); 3633 // the fallback icon 3634 if (icon == null) { 3635 icon = mIconCache.getDefaultIcon(info.user); 3636 info.usingFallbackIcon = true; 3637 } 3638 info.setIcon(icon); 3639 return info; 3640 } 3641 3642 ShortcutInfo infoFromShortcutIntent(Context context, Intent data) { 3643 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 3644 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 3645 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 3646 3647 if (intent == null) { 3648 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 3649 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 3650 return null; 3651 } 3652 3653 Bitmap icon = null; 3654 boolean customIcon = false; 3655 ShortcutIconResource iconResource = null; 3656 3657 if (bitmap instanceof Bitmap) { 3658 icon = Utilities.createIconBitmap((Bitmap) bitmap, context); 3659 customIcon = true; 3660 } else { 3661 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 3662 if (extra instanceof ShortcutIconResource) { 3663 iconResource = (ShortcutIconResource) extra; 3664 icon = Utilities.createIconBitmap(iconResource.packageName, 3665 iconResource.resourceName, context); 3666 } 3667 } 3668 3669 final ShortcutInfo info = new ShortcutInfo(); 3670 3671 // Only support intents for current user for now. Intents sent from other 3672 // users wouldn't get here without intent forwarding anyway. 3673 info.user = UserHandleCompat.myUserHandle(); 3674 if (icon == null) { 3675 icon = mIconCache.getDefaultIcon(info.user); 3676 info.usingFallbackIcon = true; 3677 } 3678 info.setIcon(icon); 3679 3680 info.title = Utilities.trim(name); 3681 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3682 info.intent = intent; 3683 info.customIcon = customIcon; 3684 info.iconResource = iconResource; 3685 3686 return info; 3687 } 3688 3689 /** 3690 * Return an existing FolderInfo object if we have encountered this ID previously, 3691 * or make a new one. 3692 */ 3693 @Thunk static FolderInfo findOrMakeFolder(LongArrayMap<FolderInfo> folders, long id) { 3694 // See if a placeholder was created for us already 3695 FolderInfo folderInfo = folders.get(id); 3696 if (folderInfo == null) { 3697 // No placeholder -- create a new instance 3698 folderInfo = new FolderInfo(); 3699 folders.put(id, folderInfo); 3700 } 3701 return folderInfo; 3702 } 3703 3704 3705 static boolean isValidProvider(AppWidgetProviderInfo provider) { 3706 return (provider != null) && (provider.provider != null) 3707 && (provider.provider.getPackageName() != null); 3708 } 3709 3710 public void dumpState() { 3711 Log.d(TAG, "mCallbacks=" + mCallbacks); 3712 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 3713 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 3714 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 3715 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 3716 if (mLoaderTask != null) { 3717 mLoaderTask.dumpState(); 3718 } else { 3719 Log.d(TAG, "mLoaderTask=null"); 3720 } 3721 } 3722 3723 public Callbacks getCallback() { 3724 return mCallbacks != null ? mCallbacks.get() : null; 3725 } 3726 3727 /** 3728 * @return {@link FolderInfo} if its already loaded. 3729 */ 3730 public FolderInfo findFolderById(Long folderId) { 3731 synchronized (sBgLock) { 3732 return sBgFolders.get(folderId); 3733 } 3734 } 3735 3736 /** 3737 * @return the looper for the worker thread which can be used to start background tasks. 3738 */ 3739 public static Looper getWorkerLooper() { 3740 return sWorkerThread.getLooper(); 3741 } 3742} 3743