LauncherModel.java revision c0b52fefbc11531d560359c093484099f9d1298e
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.Environment; 38import android.os.Handler; 39import android.os.HandlerThread; 40import android.os.Looper; 41import android.os.Parcelable; 42import android.os.Process; 43import android.os.SystemClock; 44import android.os.TransactionTooLargeException; 45import android.provider.BaseColumns; 46import android.text.TextUtils; 47import android.util.Log; 48import android.util.LongSparseArray; 49import android.util.Pair; 50 51import com.android.launcher3.compat.AppWidgetManagerCompat; 52import com.android.launcher3.compat.LauncherActivityInfoCompat; 53import com.android.launcher3.compat.LauncherAppsCompat; 54import com.android.launcher3.compat.PackageInstallerCompat; 55import com.android.launcher3.compat.PackageInstallerCompat.PackageInstallInfo; 56import com.android.launcher3.compat.UserHandleCompat; 57import com.android.launcher3.compat.UserManagerCompat; 58import com.android.launcher3.model.MigrateFromRestoreTask; 59import com.android.launcher3.model.WidgetsModel; 60import com.android.launcher3.util.ComponentKey; 61import com.android.launcher3.util.CursorIconInfo; 62import com.android.launcher3.util.LongArrayMap; 63import com.android.launcher3.util.ManagedProfileHeuristic; 64import com.android.launcher3.util.Thunk; 65 66import java.lang.ref.WeakReference; 67import java.net.URISyntaxException; 68import java.security.InvalidParameterException; 69import java.util.ArrayList; 70import java.util.Arrays; 71import java.util.Collection; 72import java.util.Collections; 73import java.util.Comparator; 74import java.util.HashMap; 75import java.util.HashSet; 76import java.util.Iterator; 77import java.util.List; 78import java.util.Map.Entry; 79import java.util.Set; 80 81/** 82 * Maintains in-memory state of the Launcher. It is expected that there should be only one 83 * LauncherModel object held in a static. Also provide APIs for updating the database state 84 * for the Launcher. 85 */ 86public class LauncherModel extends BroadcastReceiver 87 implements LauncherAppsCompat.OnAppsChangedCallbackCompat { 88 static final boolean DEBUG_LOADERS = false; 89 private static final boolean DEBUG_RECEIVER = false; 90 private static final boolean REMOVE_UNRESTORED_ICONS = true; 91 92 static final String TAG = "Launcher.Model"; 93 94 public static final int LOADER_FLAG_NONE = 0; 95 public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0; 96 public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1; 97 98 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 99 private static final long INVALID_SCREEN_ID = -1L; 100 101 @Thunk final boolean mAppsCanBeOnRemoveableStorage; 102 private final boolean mOldContentProviderExists; 103 104 @Thunk final LauncherAppState mApp; 105 @Thunk final Object mLock = new Object(); 106 @Thunk DeferredHandler mHandler = new DeferredHandler(); 107 @Thunk LoaderTask mLoaderTask; 108 @Thunk boolean mIsLoaderTaskRunning; 109 @Thunk boolean mHasLoaderCompletedOnce; 110 111 private static final String MIGRATE_AUTHORITY = "com.android.launcher2.settings"; 112 113 @Thunk static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 114 static { 115 sWorkerThread.start(); 116 } 117 @Thunk static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 118 119 // We start off with everything not loaded. After that, we assume that 120 // our monitoring of the package manager provides all updates and we never 121 // need to do a requery. These are only ever touched from the loader thread. 122 @Thunk boolean mWorkspaceLoaded; 123 @Thunk boolean mAllAppsLoaded; 124 125 // When we are loading pages synchronously, we can't just post the binding of items on the side 126 // pages as this delays the rotation process. Instead, we wait for a callback from the first 127 // draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start 128 // a normal load, we also clear this set of Runnables. 129 static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>(); 130 131 /** 132 * Set of runnables to be called on the background thread after the workspace binding 133 * is complete. 134 */ 135 static final ArrayList<Runnable> mBindCompleteRunnables = new ArrayList<Runnable>(); 136 137 @Thunk WeakReference<Callbacks> mCallbacks; 138 139 // < only access in worker thread > 140 AllAppsList mBgAllAppsList; 141 // Entire list of widgets. 142 WidgetsModel mBgWidgetsModel; 143 144 // The lock that must be acquired before referencing any static bg data structures. Unlike 145 // other locks, this one can generally be held long-term because we never expect any of these 146 // static data structures to be referenced outside of the worker thread except on the first 147 // load after configuration change. 148 static final Object sBgLock = new Object(); 149 150 // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 151 // LauncherModel to their ids 152 static final LongArrayMap<ItemInfo> sBgItemsIdMap = new LongArrayMap<>(); 153 154 // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts 155 // created by LauncherModel that are directly on the home screen (however, no widgets or 156 // shortcuts within folders). 157 static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>(); 158 159 // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 160 static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets = 161 new ArrayList<LauncherAppWidgetInfo>(); 162 163 // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 164 static final LongArrayMap<FolderInfo> sBgFolders = new LongArrayMap<>(); 165 166 // sBgWorkspaceScreens is the ordered set of workspace screens. 167 static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>(); 168 169 // sBgWidgetProviders is the set of widget providers including custom internal widgets 170 public static HashMap<ComponentKey, LauncherAppWidgetProviderInfo> sBgWidgetProviders; 171 172 // sPendingPackages is a set of packages which could be on sdcard and are not available yet 173 static final HashMap<UserHandleCompat, HashSet<String>> sPendingPackages = 174 new HashMap<UserHandleCompat, HashSet<String>>(); 175 176 // </ only access in worker thread > 177 178 @Thunk IconCache mIconCache; 179 180 @Thunk final LauncherAppsCompat mLauncherApps; 181 @Thunk final UserManagerCompat mUserManager; 182 183 public interface Callbacks { 184 public boolean setLoadOnResume(); 185 public int getCurrentWorkspaceScreen(); 186 public void startBinding(); 187 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end, 188 boolean forceAnimateIcons); 189 public void bindScreens(ArrayList<Long> orderedScreenIds); 190 public void bindAddScreens(ArrayList<Long> orderedScreenIds); 191 public void bindFolders(LongArrayMap<FolderInfo> folders); 192 public void finishBindingItems(); 193 public void bindAppWidget(LauncherAppWidgetInfo info); 194 public void bindAllApplications(ArrayList<AppInfo> apps); 195 public void bindAppsAdded(ArrayList<Long> newScreens, 196 ArrayList<ItemInfo> addNotAnimated, 197 ArrayList<ItemInfo> addAnimated, 198 ArrayList<AppInfo> addedApps); 199 public void bindAppsUpdated(ArrayList<AppInfo> apps); 200 public void bindShortcutsChanged(ArrayList<ShortcutInfo> updated, 201 ArrayList<ShortcutInfo> removed, UserHandleCompat user); 202 public void bindWidgetsRestored(ArrayList<LauncherAppWidgetInfo> widgets); 203 public void bindRestoreItemsChange(HashSet<ItemInfo> updates); 204 public void bindComponentsRemoved(ArrayList<String> packageNames, 205 ArrayList<AppInfo> appInfos, UserHandleCompat user, int reason); 206 public void bindAllPackages(WidgetsModel model); 207 public void bindSearchProviderChanged(); 208 public boolean isAllAppsButtonRank(int rank); 209 public void onPageBoundSynchronously(int page); 210 public void dumpLogsToLocalData(); 211 } 212 213 public interface ItemInfoFilter { 214 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn); 215 } 216 217 LauncherModel(LauncherAppState app, IconCache iconCache, AppFilter appFilter) { 218 Context context = app.getContext(); 219 220 mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable(); 221 String oldProvider = context.getString(R.string.old_launcher_provider_uri); 222 // This may be the same as MIGRATE_AUTHORITY, or it may be replaced by a different 223 // resource string. 224 String redirectAuthority = Uri.parse(oldProvider).getAuthority(); 225 ProviderInfo providerInfo = 226 context.getPackageManager().resolveContentProvider(MIGRATE_AUTHORITY, 0); 227 ProviderInfo redirectProvider = 228 context.getPackageManager().resolveContentProvider(redirectAuthority, 0); 229 230 Log.d(TAG, "Old launcher provider: " + oldProvider); 231 mOldContentProviderExists = (providerInfo != null) && (redirectProvider != null); 232 233 if (mOldContentProviderExists) { 234 Log.d(TAG, "Old launcher provider exists."); 235 } else { 236 Log.d(TAG, "Old launcher provider does not exist."); 237 } 238 239 mApp = app; 240 mBgAllAppsList = new AllAppsList(iconCache, appFilter); 241 mBgWidgetsModel = new WidgetsModel(context, iconCache, appFilter); 242 mIconCache = iconCache; 243 244 mLauncherApps = LauncherAppsCompat.getInstance(context); 245 mUserManager = UserManagerCompat.getInstance(context); 246 } 247 248 /** Runs the specified runnable immediately if called from the main thread, otherwise it is 249 * posted on the main thread handler. */ 250 @Thunk void runOnMainThread(Runnable r) { 251 if (sWorkerThread.getThreadId() == Process.myTid()) { 252 // If we are on the worker thread, post onto the main handler 253 mHandler.post(r); 254 } else { 255 r.run(); 256 } 257 } 258 259 /** Runs the specified runnable immediately if called from the worker thread, otherwise it is 260 * posted on the worker thread handler. */ 261 @Thunk static void runOnWorkerThread(Runnable r) { 262 if (sWorkerThread.getThreadId() == Process.myTid()) { 263 r.run(); 264 } else { 265 // If we are not on the worker thread, then post to the worker handler 266 sWorker.post(r); 267 } 268 } 269 270 boolean canMigrateFromOldLauncherDb(Launcher launcher) { 271 return mOldContentProviderExists && !launcher.isLauncherPreinstalled() ; 272 } 273 274 public void setPackageState(final PackageInstallInfo installInfo) { 275 Runnable updateRunnable = new Runnable() { 276 277 @Override 278 public void run() { 279 synchronized (sBgLock) { 280 final HashSet<ItemInfo> updates = new HashSet<>(); 281 282 if (installInfo.state == PackageInstallerCompat.STATUS_INSTALLED) { 283 // Ignore install success events as they are handled by Package add events. 284 return; 285 } 286 287 for (ItemInfo info : sBgItemsIdMap) { 288 if (info instanceof ShortcutInfo) { 289 ShortcutInfo si = (ShortcutInfo) info; 290 ComponentName cn = si.getTargetComponent(); 291 if (si.isPromise() && (cn != null) 292 && installInfo.packageName.equals(cn.getPackageName())) { 293 si.setInstallProgress(installInfo.progress); 294 295 if (installInfo.state == PackageInstallerCompat.STATUS_FAILED) { 296 // Mark this info as broken. 297 si.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; 298 } 299 updates.add(si); 300 } 301 } 302 } 303 304 for (LauncherAppWidgetInfo widget : sBgAppWidgets) { 305 if (widget.providerName.getPackageName().equals(installInfo.packageName)) { 306 widget.installProgress = installInfo.progress; 307 updates.add(widget); 308 } 309 } 310 311 if (!updates.isEmpty()) { 312 // Push changes to the callback. 313 Runnable r = new Runnable() { 314 public void run() { 315 Callbacks callbacks = getCallback(); 316 if (callbacks != null) { 317 callbacks.bindRestoreItemsChange(updates); 318 } 319 } 320 }; 321 mHandler.post(r); 322 } 323 } 324 } 325 }; 326 runOnWorkerThread(updateRunnable); 327 } 328 329 /** 330 * Updates the icons and label of all pending icons for the provided package name. 331 */ 332 public void updateSessionDisplayInfo(final String packageName) { 333 Runnable updateRunnable = new Runnable() { 334 335 @Override 336 public void run() { 337 synchronized (sBgLock) { 338 final ArrayList<ShortcutInfo> updates = new ArrayList<>(); 339 final UserHandleCompat user = UserHandleCompat.myUserHandle(); 340 341 for (ItemInfo info : sBgItemsIdMap) { 342 if (info instanceof ShortcutInfo) { 343 ShortcutInfo si = (ShortcutInfo) info; 344 ComponentName cn = si.getTargetComponent(); 345 if (si.isPromise() && (cn != null) 346 && packageName.equals(cn.getPackageName())) { 347 if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { 348 // For auto install apps update the icon as well as label. 349 mIconCache.getTitleAndIcon(si, 350 si.promisedIntent, user, 351 si.shouldUseLowResIcon()); 352 } else { 353 // Only update the icon for restored apps. 354 si.updateIcon(mIconCache); 355 } 356 updates.add(si); 357 } 358 } 359 } 360 361 if (!updates.isEmpty()) { 362 // Push changes to the callback. 363 Runnable r = new Runnable() { 364 public void run() { 365 Callbacks callbacks = getCallback(); 366 if (callbacks != null) { 367 callbacks.bindShortcutsChanged(updates, 368 new ArrayList<ShortcutInfo>(), user); 369 } 370 } 371 }; 372 mHandler.post(r); 373 } 374 } 375 } 376 }; 377 runOnWorkerThread(updateRunnable); 378 } 379 380 public void addAppsToAllApps(final Context ctx, final ArrayList<AppInfo> allAppsApps) { 381 final Callbacks callbacks = getCallback(); 382 383 if (allAppsApps == null) { 384 throw new RuntimeException("allAppsApps must not be null"); 385 } 386 if (allAppsApps.isEmpty()) { 387 return; 388 } 389 390 // Process the newly added applications and add them to the database first 391 Runnable r = new Runnable() { 392 public void run() { 393 runOnMainThread(new Runnable() { 394 public void run() { 395 Callbacks cb = getCallback(); 396 if (callbacks == cb && cb != null) { 397 callbacks.bindAppsAdded(null, null, null, allAppsApps); 398 } 399 } 400 }); 401 } 402 }; 403 runOnWorkerThread(r); 404 } 405 406 private static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> occupiedPos, 407 int[] xy, int spanX, int spanY) { 408 LauncherAppState app = LauncherAppState.getInstance(); 409 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 410 final int xCount = (int) profile.numColumns; 411 final int yCount = (int) profile.numRows; 412 boolean[][] occupied = new boolean[xCount][yCount]; 413 if (occupiedPos != null) { 414 for (ItemInfo r : occupiedPos) { 415 int right = r.cellX + r.spanX; 416 int bottom = r.cellY + r.spanY; 417 for (int x = r.cellX; 0 <= x && x < right && x < xCount; x++) { 418 for (int y = r.cellY; 0 <= y && y < bottom && y < yCount; y++) { 419 occupied[x][y] = true; 420 } 421 } 422 } 423 } 424 return Utilities.findVacantCell(xy, spanX, spanY, xCount, yCount, occupied); 425 } 426 427 /** 428 * Find a position on the screen for the given size or adds a new screen. 429 * @return screenId and the coordinates for the item. 430 */ 431 @Thunk Pair<Long, int[]> findSpaceForItem( 432 Context context, 433 ArrayList<Long> workspaceScreens, 434 ArrayList<Long> addedWorkspaceScreensFinal, 435 int spanX, int spanY) { 436 LongSparseArray<ArrayList<ItemInfo>> screenItems = new LongSparseArray<>(); 437 438 // Use sBgItemsIdMap as all the items are already loaded. 439 assertWorkspaceLoaded(); 440 synchronized (sBgLock) { 441 for (ItemInfo info : sBgItemsIdMap) { 442 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 443 ArrayList<ItemInfo> items = screenItems.get(info.screenId); 444 if (items == null) { 445 items = new ArrayList<>(); 446 screenItems.put(info.screenId, items); 447 } 448 items.add(info); 449 } 450 } 451 } 452 453 // Find appropriate space for the item. 454 long screenId = 0; 455 int[] cordinates = new int[2]; 456 boolean found = false; 457 458 int screenCount = workspaceScreens.size(); 459 // First check the preferred screen. 460 int preferredScreenIndex = workspaceScreens.isEmpty() ? 0 : 1; 461 if (preferredScreenIndex < screenCount) { 462 screenId = workspaceScreens.get(preferredScreenIndex); 463 found = findNextAvailableIconSpaceInScreen( 464 screenItems.get(screenId), cordinates, spanX, spanY); 465 } 466 467 if (!found) { 468 // Search on any of the screens starting from the first screen. 469 for (int screen = 1; screen < screenCount; screen++) { 470 screenId = workspaceScreens.get(screen); 471 if (findNextAvailableIconSpaceInScreen( 472 screenItems.get(screenId), cordinates, spanX, spanY)) { 473 // We found a space for it 474 found = true; 475 break; 476 } 477 } 478 } 479 480 if (!found) { 481 // Still no position found. Add a new screen to the end. 482 screenId = LauncherAppState.getLauncherProvider().generateNewScreenId(); 483 484 // Save the screen id for binding in the workspace 485 workspaceScreens.add(screenId); 486 addedWorkspaceScreensFinal.add(screenId); 487 488 // If we still can't find an empty space, then God help us all!!! 489 if (!findNextAvailableIconSpaceInScreen( 490 screenItems.get(screenId), cordinates, spanX, spanY)) { 491 throw new RuntimeException("Can't find space to add the item"); 492 } 493 } 494 return Pair.create(screenId, cordinates); 495 } 496 497 /** 498 * Adds the provided items to the workspace. 499 */ 500 public void addAndBindAddedWorkspaceItems(final Context context, 501 final ArrayList<? extends ItemInfo> workspaceApps) { 502 final Callbacks callbacks = getCallback(); 503 if (workspaceApps.isEmpty()) { 504 return; 505 } 506 // Process the newly added applications and add them to the database first 507 Runnable r = new Runnable() { 508 public void run() { 509 final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>(); 510 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>(); 511 512 // Get the list of workspace screens. We need to append to this list and 513 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been 514 // called. 515 ArrayList<Long> workspaceScreens = loadWorkspaceScreensDb(context); 516 synchronized(sBgLock) { 517 for (ItemInfo item : workspaceApps) { 518 if (item instanceof ShortcutInfo) { 519 // Short-circuit this logic if the icon exists somewhere on the workspace 520 if (shortcutExists(context, item.getIntent(), item.user)) { 521 continue; 522 } 523 } 524 525 // Find appropriate space for the item. 526 Pair<Long, int[]> coords = findSpaceForItem(context, 527 workspaceScreens, addedWorkspaceScreensFinal, 528 1, 1); 529 long screenId = coords.first; 530 int[] cordinates = coords.second; 531 532 ItemInfo itemInfo; 533 if (item instanceof ShortcutInfo || item instanceof FolderInfo) { 534 itemInfo = item; 535 } else if (item instanceof AppInfo) { 536 itemInfo = ((AppInfo) item).makeShortcut(); 537 } else { 538 throw new RuntimeException("Unexpected info type"); 539 } 540 541 // Add the shortcut to the db 542 addItemToDatabase(context, itemInfo, 543 LauncherSettings.Favorites.CONTAINER_DESKTOP, 544 screenId, cordinates[0], cordinates[1]); 545 // Save the ShortcutInfo for binding in the workspace 546 addedShortcutsFinal.add(itemInfo); 547 } 548 } 549 550 // Update the workspace screens 551 updateWorkspaceScreenOrder(context, workspaceScreens); 552 553 if (!addedShortcutsFinal.isEmpty()) { 554 runOnMainThread(new Runnable() { 555 public void run() { 556 Callbacks cb = getCallback(); 557 if (callbacks == cb && cb != null) { 558 final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>(); 559 final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>(); 560 if (!addedShortcutsFinal.isEmpty()) { 561 ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1); 562 long lastScreenId = info.screenId; 563 for (ItemInfo i : addedShortcutsFinal) { 564 if (i.screenId == lastScreenId) { 565 addAnimated.add(i); 566 } else { 567 addNotAnimated.add(i); 568 } 569 } 570 } 571 callbacks.bindAppsAdded(addedWorkspaceScreensFinal, 572 addNotAnimated, addAnimated, null); 573 } 574 } 575 }); 576 } 577 } 578 }; 579 runOnWorkerThread(r); 580 } 581 582 private void unbindItemInfosAndClearQueuedBindRunnables() { 583 if (sWorkerThread.getThreadId() == Process.myTid()) { 584 throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + 585 "main thread"); 586 } 587 588 // Clear any deferred bind runnables 589 synchronized (mDeferredBindRunnables) { 590 mDeferredBindRunnables.clear(); 591 } 592 593 // Remove any queued UI runnables 594 mHandler.cancelAll(); 595 // Unbind all the workspace items 596 unbindWorkspaceItemsOnMainThread(); 597 } 598 599 /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ 600 void unbindWorkspaceItemsOnMainThread() { 601 // Ensure that we don't use the same workspace items data structure on the main thread 602 // by making a copy of workspace items first. 603 final ArrayList<ItemInfo> tmpItems = new ArrayList<ItemInfo>(); 604 synchronized (sBgLock) { 605 tmpItems.addAll(sBgWorkspaceItems); 606 tmpItems.addAll(sBgAppWidgets); 607 } 608 Runnable r = new Runnable() { 609 @Override 610 public void run() { 611 for (ItemInfo item : tmpItems) { 612 item.unbind(); 613 } 614 } 615 }; 616 runOnMainThread(r); 617 } 618 619 /** 620 * Adds an item to the DB if it was not created previously, or move it to a new 621 * <container, screen, cellX, cellY> 622 */ 623 static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 624 long screenId, int cellX, int cellY) { 625 if (item.container == ItemInfo.NO_ID) { 626 // From all apps 627 addItemToDatabase(context, item, container, screenId, cellX, cellY); 628 } else { 629 // From somewhere else 630 moveItemInDatabase(context, item, container, screenId, cellX, cellY); 631 } 632 } 633 634 static void checkItemInfoLocked( 635 final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) { 636 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 637 if (modelItem != null && item != modelItem) { 638 // check all the data is consistent 639 if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) { 640 ShortcutInfo modelShortcut = (ShortcutInfo) modelItem; 641 ShortcutInfo shortcut = (ShortcutInfo) item; 642 if (modelShortcut.title.toString().equals(shortcut.title.toString()) && 643 modelShortcut.intent.filterEquals(shortcut.intent) && 644 modelShortcut.id == shortcut.id && 645 modelShortcut.itemType == shortcut.itemType && 646 modelShortcut.container == shortcut.container && 647 modelShortcut.screenId == shortcut.screenId && 648 modelShortcut.cellX == shortcut.cellX && 649 modelShortcut.cellY == shortcut.cellY && 650 modelShortcut.spanX == shortcut.spanX && 651 modelShortcut.spanY == shortcut.spanY && 652 ((modelShortcut.dropPos == null && shortcut.dropPos == null) || 653 (modelShortcut.dropPos != null && 654 shortcut.dropPos != null && 655 modelShortcut.dropPos[0] == shortcut.dropPos[0] && 656 modelShortcut.dropPos[1] == shortcut.dropPos[1]))) { 657 // For all intents and purposes, this is the same object 658 return; 659 } 660 } 661 662 // the modelItem needs to match up perfectly with item if our model is 663 // to be consistent with the database-- for now, just require 664 // modelItem == item or the equality check above 665 String msg = "item: " + ((item != null) ? item.toString() : "null") + 666 "modelItem: " + 667 ((modelItem != null) ? modelItem.toString() : "null") + 668 "Error: ItemInfo passed to checkItemInfo doesn't match original"; 669 RuntimeException e = new RuntimeException(msg); 670 if (stackTrace != null) { 671 e.setStackTrace(stackTrace); 672 } 673 throw e; 674 } 675 } 676 677 static void checkItemInfo(final ItemInfo item) { 678 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 679 final long itemId = item.id; 680 Runnable r = new Runnable() { 681 public void run() { 682 synchronized (sBgLock) { 683 checkItemInfoLocked(itemId, item, stackTrace); 684 } 685 } 686 }; 687 runOnWorkerThread(r); 688 } 689 690 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 691 final ItemInfo item, final String callingFunction) { 692 final long itemId = item.id; 693 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); 694 final ContentResolver cr = context.getContentResolver(); 695 696 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 697 Runnable r = new Runnable() { 698 public void run() { 699 cr.update(uri, values, null, null); 700 updateItemArrays(item, itemId, stackTrace); 701 } 702 }; 703 runOnWorkerThread(r); 704 } 705 706 static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList, 707 final ArrayList<ItemInfo> items, final String callingFunction) { 708 final ContentResolver cr = context.getContentResolver(); 709 710 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 711 Runnable r = new Runnable() { 712 public void run() { 713 ArrayList<ContentProviderOperation> ops = 714 new ArrayList<ContentProviderOperation>(); 715 int count = items.size(); 716 for (int i = 0; i < count; i++) { 717 ItemInfo item = items.get(i); 718 final long itemId = item.id; 719 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId); 720 ContentValues values = valuesList.get(i); 721 722 ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build()); 723 updateItemArrays(item, itemId, stackTrace); 724 725 } 726 try { 727 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 728 } catch (Exception e) { 729 e.printStackTrace(); 730 } 731 } 732 }; 733 runOnWorkerThread(r); 734 } 735 736 static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) { 737 // Lock on mBgLock *after* the db operation 738 synchronized (sBgLock) { 739 checkItemInfoLocked(itemId, item, stackTrace); 740 741 if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 742 item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 743 // Item is in a folder, make sure this folder exists 744 if (!sBgFolders.containsKey(item.container)) { 745 // An items container is being set to a that of an item which is not in 746 // the list of Folders. 747 String msg = "item: " + item + " container being set to: " + 748 item.container + ", not in the list of folders"; 749 Log.e(TAG, msg); 750 } 751 } 752 753 // Items are added/removed from the corresponding FolderInfo elsewhere, such 754 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 755 // that are on the desktop, as appropriate 756 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 757 if (modelItem != null && 758 (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 759 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { 760 switch (modelItem.itemType) { 761 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 762 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 763 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 764 if (!sBgWorkspaceItems.contains(modelItem)) { 765 sBgWorkspaceItems.add(modelItem); 766 } 767 break; 768 default: 769 break; 770 } 771 } else { 772 sBgWorkspaceItems.remove(modelItem); 773 } 774 } 775 } 776 777 /** 778 * Move an item in the DB to a new <container, screen, cellX, cellY> 779 */ 780 public static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 781 final long screenId, final int cellX, final int cellY) { 782 item.container = container; 783 item.cellX = cellX; 784 item.cellY = cellY; 785 786 // We store hotseat items in canonical form which is this orientation invariant position 787 // in the hotseat 788 if (context instanceof Launcher && screenId < 0 && 789 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 790 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 791 } else { 792 item.screenId = screenId; 793 } 794 795 final ContentValues values = new ContentValues(); 796 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 797 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 798 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 799 values.put(LauncherSettings.Favorites.RANK, item.rank); 800 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 801 802 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 803 } 804 805 /** 806 * Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the 807 * cellX, cellY have already been updated on the ItemInfos. 808 */ 809 static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items, 810 final long container, final int screen) { 811 812 ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>(); 813 int count = items.size(); 814 815 for (int i = 0; i < count; i++) { 816 ItemInfo item = items.get(i); 817 item.container = container; 818 819 // We store hotseat items in canonical form which is this orientation invariant position 820 // in the hotseat 821 if (context instanceof Launcher && screen < 0 && 822 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 823 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX, 824 item.cellY); 825 } else { 826 item.screenId = screen; 827 } 828 829 final ContentValues values = new ContentValues(); 830 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 831 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 832 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 833 values.put(LauncherSettings.Favorites.RANK, item.rank); 834 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 835 836 contentValues.add(values); 837 } 838 updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase"); 839 } 840 841 /** 842 * Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY> 843 */ 844 static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, 845 final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) { 846 item.container = container; 847 item.cellX = cellX; 848 item.cellY = cellY; 849 item.spanX = spanX; 850 item.spanY = spanY; 851 852 // We store hotseat items in canonical form which is this orientation invariant position 853 // in the hotseat 854 if (context instanceof Launcher && screenId < 0 && 855 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 856 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 857 } else { 858 item.screenId = screenId; 859 } 860 861 final ContentValues values = new ContentValues(); 862 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 863 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 864 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 865 values.put(LauncherSettings.Favorites.RANK, item.rank); 866 values.put(LauncherSettings.Favorites.SPANX, item.spanX); 867 values.put(LauncherSettings.Favorites.SPANY, item.spanY); 868 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 869 870 updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); 871 } 872 873 /** 874 * Update an item to the database in a specified container. 875 */ 876 public static void updateItemInDatabase(Context context, final ItemInfo item) { 877 final ContentValues values = new ContentValues(); 878 item.onAddToDatabase(context, values); 879 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 880 } 881 882 private void assertWorkspaceLoaded() { 883 if (LauncherAppState.isDogfoodBuild()) { 884 synchronized (mLock) { 885 if (!mHasLoaderCompletedOnce || 886 (mLoaderTask != null && mLoaderTask.mIsLoadingAndBindingWorkspace)) { 887 throw new RuntimeException("Trying to add shortcut while loader is running"); 888 } 889 } 890 } 891 } 892 893 /** 894 * Returns true if the shortcuts already exists on the workspace. This must be called after 895 * the workspace has been loaded. We identify a shortcut by its intent. 896 */ 897 @Thunk boolean shortcutExists(Context context, Intent intent, UserHandleCompat user) { 898 assertWorkspaceLoaded(); 899 final String intentWithPkg, intentWithoutPkg; 900 if (intent.getComponent() != null) { 901 // If component is not null, an intent with null package will produce 902 // the same result and should also be a match. 903 String packageName = intent.getComponent().getPackageName(); 904 if (intent.getPackage() != null) { 905 intentWithPkg = intent.toUri(0); 906 intentWithoutPkg = new Intent(intent).setPackage(null).toUri(0); 907 } else { 908 intentWithPkg = new Intent(intent).setPackage(packageName).toUri(0); 909 intentWithoutPkg = intent.toUri(0); 910 } 911 } else { 912 intentWithPkg = intent.toUri(0); 913 intentWithoutPkg = intent.toUri(0); 914 } 915 916 synchronized (sBgLock) { 917 for (ItemInfo item : sBgItemsIdMap) { 918 if (item instanceof ShortcutInfo) { 919 ShortcutInfo info = (ShortcutInfo) item; 920 Intent targetIntent = info.promisedIntent == null 921 ? info.intent : info.promisedIntent; 922 if (targetIntent != null && info.user.equals(user)) { 923 String s = targetIntent.toUri(0); 924 if (intentWithPkg.equals(s) || intentWithoutPkg.equals(s)) { 925 return true; 926 } 927 } 928 } 929 } 930 } 931 return false; 932 } 933 934 /** 935 * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. 936 */ 937 FolderInfo getFolderById(Context context, LongArrayMap<FolderInfo> folderList, long id) { 938 final ContentResolver cr = context.getContentResolver(); 939 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, 940 "_id=? and (itemType=? or itemType=?)", 941 new String[] { String.valueOf(id), 942 String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); 943 944 try { 945 if (c.moveToFirst()) { 946 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 947 final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); 948 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 949 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 950 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 951 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 952 final int optionsIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.OPTIONS); 953 954 FolderInfo folderInfo = null; 955 switch (c.getInt(itemTypeIndex)) { 956 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 957 folderInfo = findOrMakeFolder(folderList, id); 958 break; 959 } 960 961 // Do not trim the folder label, as is was set by the user. 962 folderInfo.title = c.getString(titleIndex); 963 folderInfo.id = id; 964 folderInfo.container = c.getInt(containerIndex); 965 folderInfo.screenId = c.getInt(screenIndex); 966 folderInfo.cellX = c.getInt(cellXIndex); 967 folderInfo.cellY = c.getInt(cellYIndex); 968 folderInfo.options = c.getInt(optionsIndex); 969 970 return folderInfo; 971 } 972 } finally { 973 c.close(); 974 } 975 976 return null; 977 } 978 979 /** 980 * Add an item to the database in a specified container. Sets the container, screen, cellX and 981 * cellY fields of the item. Also assigns an ID to the item. 982 */ 983 public static void addItemToDatabase(Context context, final ItemInfo item, final long container, 984 final long screenId, final int cellX, final int cellY) { 985 item.container = container; 986 item.cellX = cellX; 987 item.cellY = cellY; 988 // We store hotseat items in canonical form which is this orientation invariant position 989 // in the hotseat 990 if (context instanceof Launcher && screenId < 0 && 991 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 992 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 993 } else { 994 item.screenId = screenId; 995 } 996 997 final ContentValues values = new ContentValues(); 998 final ContentResolver cr = context.getContentResolver(); 999 item.onAddToDatabase(context, values); 1000 1001 item.id = LauncherAppState.getLauncherProvider().generateNewItemId(); 1002 values.put(LauncherSettings.Favorites._ID, item.id); 1003 1004 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 1005 Runnable r = new Runnable() { 1006 public void run() { 1007 cr.insert(LauncherSettings.Favorites.CONTENT_URI, values); 1008 1009 // Lock on mBgLock *after* the db operation 1010 synchronized (sBgLock) { 1011 checkItemInfoLocked(item.id, item, stackTrace); 1012 sBgItemsIdMap.put(item.id, item); 1013 switch (item.itemType) { 1014 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1015 sBgFolders.put(item.id, (FolderInfo) item); 1016 // Fall through 1017 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1018 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1019 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 1020 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1021 sBgWorkspaceItems.add(item); 1022 } else { 1023 if (!sBgFolders.containsKey(item.container)) { 1024 // Adding an item to a folder that doesn't exist. 1025 String msg = "adding item: " + item + " to a folder that " + 1026 " doesn't exist"; 1027 Log.e(TAG, msg); 1028 } 1029 } 1030 break; 1031 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1032 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 1033 break; 1034 } 1035 } 1036 } 1037 }; 1038 runOnWorkerThread(r); 1039 } 1040 1041 /** 1042 * Creates a new unique child id, for a given cell span across all layouts. 1043 */ 1044 static int getCellLayoutChildId( 1045 long container, long screen, int localCellX, int localCellY, int spanX, int spanY) { 1046 return (((int) container & 0xFF) << 24) 1047 | ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 1048 } 1049 1050 private static ArrayList<ItemInfo> getItemsByPackageName( 1051 final String pn, final UserHandleCompat user) { 1052 ItemInfoFilter filter = new ItemInfoFilter() { 1053 @Override 1054 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 1055 return cn.getPackageName().equals(pn) && info.user.equals(user); 1056 } 1057 }; 1058 return filterItemInfos(sBgItemsIdMap, filter); 1059 } 1060 1061 /** 1062 * Removes all the items from the database corresponding to the specified package. 1063 */ 1064 static void deletePackageFromDatabase(Context context, final String pn, 1065 final UserHandleCompat user) { 1066 deleteItemsFromDatabase(context, getItemsByPackageName(pn, user)); 1067 } 1068 1069 /** 1070 * Removes the specified item from the database 1071 */ 1072 public static void deleteItemFromDatabase(Context context, final ItemInfo item) { 1073 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 1074 items.add(item); 1075 deleteItemsFromDatabase(context, items); 1076 } 1077 1078 /** 1079 * Removes the specified items from the database 1080 */ 1081 static void deleteItemsFromDatabase(Context context, final ArrayList<? extends ItemInfo> items) { 1082 final ContentResolver cr = context.getContentResolver(); 1083 Runnable r = new Runnable() { 1084 public void run() { 1085 for (ItemInfo item : items) { 1086 final Uri uri = LauncherSettings.Favorites.getContentUri(item.id); 1087 cr.delete(uri, null, null); 1088 1089 // Lock on mBgLock *after* the db operation 1090 synchronized (sBgLock) { 1091 switch (item.itemType) { 1092 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1093 sBgFolders.remove(item.id); 1094 for (ItemInfo info: sBgItemsIdMap) { 1095 if (info.container == item.id) { 1096 // We are deleting a folder which still contains items that 1097 // think they are contained by that folder. 1098 String msg = "deleting a folder (" + item + ") which still " + 1099 "contains items (" + info + ")"; 1100 Log.e(TAG, msg); 1101 } 1102 } 1103 sBgWorkspaceItems.remove(item); 1104 break; 1105 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1106 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1107 sBgWorkspaceItems.remove(item); 1108 break; 1109 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1110 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 1111 break; 1112 } 1113 sBgItemsIdMap.remove(item.id); 1114 } 1115 } 1116 } 1117 }; 1118 runOnWorkerThread(r); 1119 } 1120 1121 /** 1122 * Update the order of the workspace screens in the database. The array list contains 1123 * a list of screen ids in the order that they should appear. 1124 */ 1125 public void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) { 1126 final ArrayList<Long> screensCopy = new ArrayList<Long>(screens); 1127 final ContentResolver cr = context.getContentResolver(); 1128 final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1129 1130 // Remove any negative screen ids -- these aren't persisted 1131 Iterator<Long> iter = screensCopy.iterator(); 1132 while (iter.hasNext()) { 1133 long id = iter.next(); 1134 if (id < 0) { 1135 iter.remove(); 1136 } 1137 } 1138 1139 Runnable r = new Runnable() { 1140 @Override 1141 public void run() { 1142 ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>(); 1143 // Clear the table 1144 ops.add(ContentProviderOperation.newDelete(uri).build()); 1145 int count = screensCopy.size(); 1146 for (int i = 0; i < count; i++) { 1147 ContentValues v = new ContentValues(); 1148 long screenId = screensCopy.get(i); 1149 v.put(LauncherSettings.WorkspaceScreens._ID, screenId); 1150 v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); 1151 ops.add(ContentProviderOperation.newInsert(uri).withValues(v).build()); 1152 } 1153 1154 try { 1155 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 1156 } catch (Exception ex) { 1157 throw new RuntimeException(ex); 1158 } 1159 1160 synchronized (sBgLock) { 1161 sBgWorkspaceScreens.clear(); 1162 sBgWorkspaceScreens.addAll(screensCopy); 1163 } 1164 } 1165 }; 1166 runOnWorkerThread(r); 1167 } 1168 1169 /** 1170 * Remove the specified folder and all its contents from the database. 1171 */ 1172 public static void deleteFolderAndContentsFromDatabase(Context context, final FolderInfo info) { 1173 final ContentResolver cr = context.getContentResolver(); 1174 1175 Runnable r = new Runnable() { 1176 public void run() { 1177 cr.delete(LauncherSettings.Favorites.getContentUri(info.id), null, null); 1178 // Lock on mBgLock *after* the db operation 1179 synchronized (sBgLock) { 1180 sBgItemsIdMap.remove(info.id); 1181 sBgFolders.remove(info.id); 1182 sBgWorkspaceItems.remove(info); 1183 } 1184 1185 cr.delete(LauncherSettings.Favorites.CONTENT_URI, 1186 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 1187 // Lock on mBgLock *after* the db operation 1188 synchronized (sBgLock) { 1189 for (ItemInfo childInfo : info.contents) { 1190 sBgItemsIdMap.remove(childInfo.id); 1191 } 1192 } 1193 } 1194 }; 1195 runOnWorkerThread(r); 1196 } 1197 1198 /** 1199 * Set this as the current Launcher activity object for the loader. 1200 */ 1201 public void initialize(Callbacks callbacks) { 1202 synchronized (mLock) { 1203 // Disconnect any of the callbacks and drawables associated with ItemInfos on the 1204 // workspace to prevent leaking Launcher activities on orientation change. 1205 unbindItemInfosAndClearQueuedBindRunnables(); 1206 mCallbacks = new WeakReference<Callbacks>(callbacks); 1207 } 1208 } 1209 1210 @Override 1211 public void onPackageChanged(String packageName, UserHandleCompat user) { 1212 int op = PackageUpdatedTask.OP_UPDATE; 1213 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1214 user)); 1215 } 1216 1217 @Override 1218 public void onPackageRemoved(String packageName, UserHandleCompat user) { 1219 int op = PackageUpdatedTask.OP_REMOVE; 1220 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1221 user)); 1222 } 1223 1224 @Override 1225 public void onPackageAdded(String packageName, UserHandleCompat user) { 1226 int op = PackageUpdatedTask.OP_ADD; 1227 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1228 user)); 1229 } 1230 1231 @Override 1232 public void onPackagesAvailable(String[] packageNames, UserHandleCompat user, 1233 boolean replacing) { 1234 if (!replacing) { 1235 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packageNames, 1236 user)); 1237 if (mAppsCanBeOnRemoveableStorage) { 1238 // Only rebind if we support removable storage. It catches the 1239 // case where 1240 // apps on the external sd card need to be reloaded 1241 startLoaderFromBackground(); 1242 } 1243 } else { 1244 // If we are replacing then just update the packages in the list 1245 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE, 1246 packageNames, user)); 1247 } 1248 } 1249 1250 @Override 1251 public void onPackagesUnavailable(String[] packageNames, UserHandleCompat user, 1252 boolean replacing) { 1253 if (!replacing) { 1254 enqueuePackageUpdated(new PackageUpdatedTask( 1255 PackageUpdatedTask.OP_UNAVAILABLE, packageNames, 1256 user)); 1257 } 1258 } 1259 1260 /** 1261 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 1262 * ACTION_PACKAGE_CHANGED. 1263 */ 1264 @Override 1265 public void onReceive(Context context, Intent intent) { 1266 if (DEBUG_RECEIVER) Log.d(TAG, "onReceive intent=" + intent); 1267 1268 final String action = intent.getAction(); 1269 if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 1270 // If we have changed locale we need to clear out the labels in all apps/workspace. 1271 forceReload(); 1272 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action)) { 1273 Callbacks callbacks = getCallback(); 1274 if (callbacks != null) { 1275 callbacks.bindSearchProviderChanged(); 1276 } 1277 } else if (LauncherAppsCompat.ACTION_MANAGED_PROFILE_ADDED.equals(action) 1278 || LauncherAppsCompat.ACTION_MANAGED_PROFILE_REMOVED.equals(action)) { 1279 UserManagerCompat.getInstance(context).enableAndResetCache(); 1280 forceReload(); 1281 } 1282 } 1283 1284 void forceReload() { 1285 resetLoadedState(true, true); 1286 1287 // Do this here because if the launcher activity is running it will be restarted. 1288 // If it's not running startLoaderFromBackground will merely tell it that it needs 1289 // to reload. 1290 startLoaderFromBackground(); 1291 } 1292 1293 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 1294 synchronized (mLock) { 1295 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 1296 // mWorkspaceLoaded to true later 1297 stopLoaderLocked(); 1298 if (resetAllAppsLoaded) mAllAppsLoaded = false; 1299 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 1300 } 1301 } 1302 1303 /** 1304 * When the launcher is in the background, it's possible for it to miss paired 1305 * configuration changes. So whenever we trigger the loader from the background 1306 * tell the launcher that it needs to re-run the loader when it comes back instead 1307 * of doing it now. 1308 */ 1309 public void startLoaderFromBackground() { 1310 boolean runLoader = false; 1311 Callbacks callbacks = getCallback(); 1312 if (callbacks != null) { 1313 // Only actually run the loader if they're not paused. 1314 if (!callbacks.setLoadOnResume()) { 1315 runLoader = true; 1316 } 1317 } 1318 if (runLoader) { 1319 startLoader(PagedView.INVALID_RESTORE_PAGE); 1320 } 1321 } 1322 1323 /** 1324 * If there is already a loader task running, tell it to stop. 1325 */ 1326 private void stopLoaderLocked() { 1327 LoaderTask oldTask = mLoaderTask; 1328 if (oldTask != null) { 1329 oldTask.stopLocked(); 1330 } 1331 } 1332 1333 public boolean isCurrentCallbacks(Callbacks callbacks) { 1334 return (mCallbacks != null && mCallbacks.get() == callbacks); 1335 } 1336 1337 public void startLoader(int synchronousBindPage) { 1338 startLoader(synchronousBindPage, LOADER_FLAG_NONE); 1339 } 1340 1341 public void startLoader(int synchronousBindPage, int loadFlags) { 1342 // Enable queue before starting loader. It will get disabled in Launcher#finishBindingItems 1343 InstallShortcutReceiver.enableInstallQueue(); 1344 synchronized (mLock) { 1345 // Clear any deferred bind-runnables from the synchronized load process 1346 // We must do this before any loading/binding is scheduled below. 1347 synchronized (mDeferredBindRunnables) { 1348 mDeferredBindRunnables.clear(); 1349 } 1350 1351 // Don't bother to start the thread if we know it's not going to do anything 1352 if (mCallbacks != null && mCallbacks.get() != null) { 1353 // If there is already one running, tell it to stop. 1354 stopLoaderLocked(); 1355 mLoaderTask = new LoaderTask(mApp.getContext(), loadFlags); 1356 if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE 1357 && mAllAppsLoaded && mWorkspaceLoaded && !mIsLoaderTaskRunning) { 1358 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 1359 } else { 1360 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 1361 sWorker.post(mLoaderTask); 1362 } 1363 } 1364 } 1365 } 1366 1367 void bindRemainingSynchronousPages() { 1368 // Post the remaining side pages to be loaded 1369 if (!mDeferredBindRunnables.isEmpty()) { 1370 Runnable[] deferredBindRunnables = null; 1371 synchronized (mDeferredBindRunnables) { 1372 deferredBindRunnables = mDeferredBindRunnables.toArray( 1373 new Runnable[mDeferredBindRunnables.size()]); 1374 mDeferredBindRunnables.clear(); 1375 } 1376 for (final Runnable r : deferredBindRunnables) { 1377 mHandler.post(r); 1378 } 1379 } 1380 } 1381 1382 public void stopLoader() { 1383 synchronized (mLock) { 1384 if (mLoaderTask != null) { 1385 mLoaderTask.stopLocked(); 1386 } 1387 } 1388 } 1389 1390 /** 1391 * Loads the workspace screen ids in an ordered list. 1392 */ 1393 public static ArrayList<Long> loadWorkspaceScreensDb(Context context) { 1394 final ContentResolver contentResolver = context.getContentResolver(); 1395 final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1396 1397 // Get screens ordered by rank. 1398 final Cursor sc = contentResolver.query(screensUri, null, null, null, 1399 LauncherSettings.WorkspaceScreens.SCREEN_RANK); 1400 ArrayList<Long> screenIds = new ArrayList<Long>(); 1401 try { 1402 final int idIndex = sc.getColumnIndexOrThrow(LauncherSettings.WorkspaceScreens._ID); 1403 while (sc.moveToNext()) { 1404 try { 1405 screenIds.add(sc.getLong(idIndex)); 1406 } catch (Exception e) { 1407 Launcher.addDumpLog(TAG, "Desktop items loading interrupted" 1408 + " - invalid screens: " + e, true); 1409 } 1410 } 1411 } finally { 1412 sc.close(); 1413 } 1414 return screenIds; 1415 } 1416 1417 public boolean isAllAppsLoaded() { 1418 return mAllAppsLoaded; 1419 } 1420 1421 /** 1422 * Runnable for the thread that loads the contents of the launcher: 1423 * - workspace icons 1424 * - widgets 1425 * - all apps icons 1426 */ 1427 private class LoaderTask implements Runnable { 1428 private Context mContext; 1429 @Thunk boolean mIsLoadingAndBindingWorkspace; 1430 private boolean mStopped; 1431 @Thunk boolean mLoadAndBindStepFinished; 1432 private int mFlags; 1433 1434 LoaderTask(Context context, int flags) { 1435 mContext = context; 1436 mFlags = flags; 1437 } 1438 1439 private void loadAndBindWorkspace() { 1440 mIsLoadingAndBindingWorkspace = true; 1441 1442 // Load the workspace 1443 if (DEBUG_LOADERS) { 1444 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 1445 } 1446 1447 if (!mWorkspaceLoaded) { 1448 loadWorkspace(); 1449 synchronized (LoaderTask.this) { 1450 if (mStopped) { 1451 return; 1452 } 1453 mWorkspaceLoaded = true; 1454 } 1455 } 1456 1457 // Bind the workspace 1458 bindWorkspace(-1); 1459 } 1460 1461 private void waitForIdle() { 1462 // Wait until the either we're stopped or the other threads are done. 1463 // This way we don't start loading all apps until the workspace has settled 1464 // down. 1465 synchronized (LoaderTask.this) { 1466 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1467 1468 mHandler.postIdle(new Runnable() { 1469 public void run() { 1470 synchronized (LoaderTask.this) { 1471 mLoadAndBindStepFinished = true; 1472 if (DEBUG_LOADERS) { 1473 Log.d(TAG, "done with previous binding step"); 1474 } 1475 LoaderTask.this.notify(); 1476 } 1477 } 1478 }); 1479 1480 while (!mStopped && !mLoadAndBindStepFinished) { 1481 try { 1482 // Just in case mFlushingWorkerThread changes but we aren't woken up, 1483 // wait no longer than 1sec at a time 1484 this.wait(1000); 1485 } catch (InterruptedException ex) { 1486 // Ignore 1487 } 1488 } 1489 if (DEBUG_LOADERS) { 1490 Log.d(TAG, "waited " 1491 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1492 + "ms for previous step to finish binding"); 1493 } 1494 } 1495 } 1496 1497 void runBindSynchronousPage(int synchronousBindPage) { 1498 if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) { 1499 // Ensure that we have a valid page index to load synchronously 1500 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1501 "valid page index"); 1502 } 1503 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1504 // Ensure that we don't try and bind a specified page when the pages have not been 1505 // loaded already (we should load everything asynchronously in that case) 1506 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1507 } 1508 synchronized (mLock) { 1509 if (mIsLoaderTaskRunning) { 1510 // Ensure that we are never running the background loading at this point since 1511 // we also touch the background collections 1512 throw new RuntimeException("Error! Background loading is already running"); 1513 } 1514 } 1515 1516 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1517 // data structures, we can't allow any other thread to touch that data, but because 1518 // this call is synchronous, we can get away with not locking). 1519 1520 // The LauncherModel is static in the LauncherAppState and mHandler may have queued 1521 // operations from the previous activity. We need to ensure that all queued operations 1522 // are executed before any synchronous binding work is done. 1523 mHandler.flush(); 1524 1525 // Divide the set of loaded items into those that we are binding synchronously, and 1526 // everything else that is to be bound normally (asynchronously). 1527 bindWorkspace(synchronousBindPage); 1528 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1529 // arise from that. 1530 onlyBindAllApps(); 1531 } 1532 1533 public void run() { 1534 synchronized (mLock) { 1535 if (mStopped) { 1536 return; 1537 } 1538 mIsLoaderTaskRunning = true; 1539 } 1540 // Optimize for end-user experience: if the Launcher is up and // running with the 1541 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1542 // workspace first (default). 1543 keep_running: { 1544 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1545 loadAndBindWorkspace(); 1546 1547 if (mStopped) { 1548 break keep_running; 1549 } 1550 1551 waitForIdle(); 1552 1553 // second step 1554 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1555 loadAndBindAllApps(); 1556 } 1557 1558 // Clear out this reference, otherwise we end up holding it until all of the 1559 // callback runnables are done. 1560 mContext = null; 1561 1562 synchronized (mLock) { 1563 // If we are still the last one to be scheduled, remove ourselves. 1564 if (mLoaderTask == this) { 1565 mLoaderTask = null; 1566 } 1567 mIsLoaderTaskRunning = false; 1568 mHasLoaderCompletedOnce = true; 1569 } 1570 } 1571 1572 public void stopLocked() { 1573 synchronized (LoaderTask.this) { 1574 mStopped = true; 1575 this.notify(); 1576 } 1577 } 1578 1579 /** 1580 * Gets the callbacks object. If we've been stopped, or if the launcher object 1581 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1582 * object that was around when the deferred message was scheduled, and if there's 1583 * a new Callbacks object around then also return null. This will save us from 1584 * calling onto it with data that will be ignored. 1585 */ 1586 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1587 synchronized (mLock) { 1588 if (mStopped) { 1589 return null; 1590 } 1591 1592 if (mCallbacks == null) { 1593 return null; 1594 } 1595 1596 final Callbacks callbacks = mCallbacks.get(); 1597 if (callbacks != oldCallbacks) { 1598 return null; 1599 } 1600 if (callbacks == null) { 1601 Log.w(TAG, "no mCallbacks"); 1602 return null; 1603 } 1604 1605 return callbacks; 1606 } 1607 } 1608 1609 // check & update map of what's occupied; used to discard overlapping/invalid items 1610 private boolean checkItemPlacement(LongArrayMap<ItemInfo[][]> occupied, ItemInfo item, 1611 ArrayList<Long> workspaceScreens) { 1612 LauncherAppState app = LauncherAppState.getInstance(); 1613 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 1614 final int countX = profile.numColumns; 1615 final int countY = profile.numRows; 1616 1617 long containerIndex = item.screenId; 1618 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1619 // Return early if we detect that an item is under the hotseat button 1620 if (mCallbacks == null || 1621 mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) { 1622 Log.e(TAG, "Error loading shortcut into hotseat " + item 1623 + " into position (" + item.screenId + ":" + item.cellX + "," 1624 + item.cellY + ") occupied by all apps"); 1625 return false; 1626 } 1627 1628 final ItemInfo[][] hotseatItems = 1629 occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT); 1630 1631 if (item.screenId >= profile.numHotseatIcons) { 1632 Log.e(TAG, "Error loading shortcut " + item 1633 + " into hotseat position " + item.screenId 1634 + ", position out of bounds: (0 to " + (profile.numHotseatIcons - 1) 1635 + ")"); 1636 return false; 1637 } 1638 1639 if (hotseatItems != null) { 1640 if (hotseatItems[(int) item.screenId][0] != null) { 1641 Log.e(TAG, "Error loading shortcut into hotseat " + item 1642 + " into position (" + item.screenId + ":" + item.cellX + "," 1643 + item.cellY + ") occupied by " 1644 + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1645 [(int) item.screenId][0]); 1646 return false; 1647 } else { 1648 hotseatItems[(int) item.screenId][0] = item; 1649 return true; 1650 } 1651 } else { 1652 final ItemInfo[][] items = new ItemInfo[(int) profile.numHotseatIcons][1]; 1653 items[(int) item.screenId][0] = item; 1654 occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); 1655 return true; 1656 } 1657 } else if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1658 if (!workspaceScreens.contains((Long) item.screenId)) { 1659 // The item has an invalid screen id. 1660 return false; 1661 } 1662 } else { 1663 // Skip further checking if it is not the hotseat or workspace container 1664 return true; 1665 } 1666 1667 if (!occupied.containsKey(item.screenId)) { 1668 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1669 occupied.put(item.screenId, items); 1670 } 1671 1672 final ItemInfo[][] screens = occupied.get(item.screenId); 1673 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1674 item.cellX < 0 || item.cellY < 0 || 1675 item.cellX + item.spanX > countX || item.cellY + item.spanY > countY) { 1676 Log.e(TAG, "Error loading shortcut " + item 1677 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1678 + item.cellX + "," + item.cellY 1679 + ") out of screen bounds ( " + countX + "x" + countY + ")"); 1680 return false; 1681 } 1682 1683 // Check if any workspace icons overlap with each other 1684 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1685 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1686 if (screens[x][y] != null) { 1687 Log.e(TAG, "Error loading shortcut " + item 1688 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1689 + x + "," + y 1690 + ") occupied by " 1691 + screens[x][y]); 1692 return false; 1693 } 1694 } 1695 } 1696 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1697 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1698 screens[x][y] = item; 1699 } 1700 } 1701 1702 return true; 1703 } 1704 1705 /** Clears all the sBg data structures */ 1706 private void clearSBgDataStructures() { 1707 synchronized (sBgLock) { 1708 sBgWorkspaceItems.clear(); 1709 sBgAppWidgets.clear(); 1710 sBgFolders.clear(); 1711 sBgItemsIdMap.clear(); 1712 sBgWorkspaceScreens.clear(); 1713 } 1714 } 1715 1716 private void loadWorkspace() { 1717 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1718 1719 final Context context = mContext; 1720 final ContentResolver contentResolver = context.getContentResolver(); 1721 final PackageManager manager = context.getPackageManager(); 1722 final boolean isSafeMode = manager.isSafeMode(); 1723 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 1724 final boolean isSdCardReady = context.registerReceiver(null, 1725 new IntentFilter(StartupReceiver.SYSTEM_READY)) != null; 1726 1727 LauncherAppState app = LauncherAppState.getInstance(); 1728 InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 1729 int countX = profile.numColumns; 1730 int countY = profile.numRows; 1731 1732 if (MigrateFromRestoreTask.ENABLED && MigrateFromRestoreTask.shouldRunTask(mContext)) { 1733 long migrationStartTime = System.currentTimeMillis(); 1734 Log.v(TAG, "Starting workspace migration after restore"); 1735 try { 1736 MigrateFromRestoreTask task = new MigrateFromRestoreTask(mContext); 1737 // Clear the flags before starting the task, so that we do not run the task 1738 // again, in case there was an uncaught error. 1739 MigrateFromRestoreTask.clearFlags(mContext); 1740 task.execute(); 1741 } catch (Exception e) { 1742 Log.e(TAG, "Error during grid migration", e); 1743 1744 // Clear workspace. 1745 mFlags = mFlags | LOADER_FLAG_CLEAR_WORKSPACE; 1746 } 1747 Log.v(TAG, "Workspace migration completed in " 1748 + (System.currentTimeMillis() - migrationStartTime)); 1749 } 1750 1751 if ((mFlags & LOADER_FLAG_CLEAR_WORKSPACE) != 0) { 1752 Launcher.addDumpLog(TAG, "loadWorkspace: resetting launcher database", true); 1753 LauncherAppState.getLauncherProvider().deleteDatabase(); 1754 } 1755 1756 if ((mFlags & LOADER_FLAG_MIGRATE_SHORTCUTS) != 0) { 1757 // append the user's Launcher2 shortcuts 1758 Launcher.addDumpLog(TAG, "loadWorkspace: migrating from launcher2", true); 1759 LauncherAppState.getLauncherProvider().migrateLauncher2Shortcuts(); 1760 } else { 1761 // Make sure the default workspace is loaded 1762 Launcher.addDumpLog(TAG, "loadWorkspace: loading default favorites", false); 1763 LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary(); 1764 } 1765 1766 synchronized (sBgLock) { 1767 clearSBgDataStructures(); 1768 final HashMap<String, Integer> installingPkgs = PackageInstallerCompat 1769 .getInstance(mContext).updateAndGetActiveSessionCache(); 1770 sBgWorkspaceScreens.addAll(loadWorkspaceScreensDb(mContext)); 1771 1772 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 1773 final ArrayList<Long> restoredRows = new ArrayList<Long>(); 1774 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; 1775 if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri); 1776 final Cursor c = contentResolver.query(contentUri, null, null, null, null); 1777 1778 // +1 for the hotseat (it can be larger than the workspace) 1779 // Load workspace in reverse order to ensure that latest items are loaded first (and 1780 // before any earlier duplicates) 1781 final LongArrayMap<ItemInfo[][]> occupied = new LongArrayMap<>(); 1782 1783 try { 1784 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1785 final int intentIndex = c.getColumnIndexOrThrow 1786 (LauncherSettings.Favorites.INTENT); 1787 final int titleIndex = c.getColumnIndexOrThrow 1788 (LauncherSettings.Favorites.TITLE); 1789 final int containerIndex = c.getColumnIndexOrThrow( 1790 LauncherSettings.Favorites.CONTAINER); 1791 final int itemTypeIndex = c.getColumnIndexOrThrow( 1792 LauncherSettings.Favorites.ITEM_TYPE); 1793 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1794 LauncherSettings.Favorites.APPWIDGET_ID); 1795 final int appWidgetProviderIndex = c.getColumnIndexOrThrow( 1796 LauncherSettings.Favorites.APPWIDGET_PROVIDER); 1797 final int screenIndex = c.getColumnIndexOrThrow( 1798 LauncherSettings.Favorites.SCREEN); 1799 final int cellXIndex = c.getColumnIndexOrThrow 1800 (LauncherSettings.Favorites.CELLX); 1801 final int cellYIndex = c.getColumnIndexOrThrow 1802 (LauncherSettings.Favorites.CELLY); 1803 final int spanXIndex = c.getColumnIndexOrThrow 1804 (LauncherSettings.Favorites.SPANX); 1805 final int spanYIndex = c.getColumnIndexOrThrow( 1806 LauncherSettings.Favorites.SPANY); 1807 final int rankIndex = c.getColumnIndexOrThrow( 1808 LauncherSettings.Favorites.RANK); 1809 final int restoredIndex = c.getColumnIndexOrThrow( 1810 LauncherSettings.Favorites.RESTORED); 1811 final int profileIdIndex = c.getColumnIndexOrThrow( 1812 LauncherSettings.Favorites.PROFILE_ID); 1813 final int optionsIndex = c.getColumnIndexOrThrow( 1814 LauncherSettings.Favorites.OPTIONS); 1815 final CursorIconInfo cursorIconInfo = new CursorIconInfo(c); 1816 1817 final LongSparseArray<UserHandleCompat> allUsers = new LongSparseArray<>(); 1818 for (UserHandleCompat user : mUserManager.getUserProfiles()) { 1819 allUsers.put(mUserManager.getSerialNumberForUser(user), user); 1820 } 1821 1822 ShortcutInfo info; 1823 String intentDescription; 1824 LauncherAppWidgetInfo appWidgetInfo; 1825 int container; 1826 long id; 1827 long serialNumber; 1828 Intent intent; 1829 UserHandleCompat user; 1830 1831 while (!mStopped && c.moveToNext()) { 1832 try { 1833 int itemType = c.getInt(itemTypeIndex); 1834 boolean restored = 0 != c.getInt(restoredIndex); 1835 boolean allowMissingTarget = false; 1836 container = c.getInt(containerIndex); 1837 1838 switch (itemType) { 1839 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1840 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1841 id = c.getLong(idIndex); 1842 intentDescription = c.getString(intentIndex); 1843 serialNumber = c.getInt(profileIdIndex); 1844 user = allUsers.get(serialNumber); 1845 int promiseType = c.getInt(restoredIndex); 1846 int disabledState = 0; 1847 boolean itemReplaced = false; 1848 if (user == null) { 1849 // User has been deleted remove the item. 1850 itemsToRemove.add(id); 1851 continue; 1852 } 1853 try { 1854 intent = Intent.parseUri(intentDescription, 0); 1855 ComponentName cn = intent.getComponent(); 1856 if (cn != null && cn.getPackageName() != null) { 1857 boolean validPkg = launcherApps.isPackageEnabledForProfile( 1858 cn.getPackageName(), user); 1859 boolean validComponent = validPkg && 1860 launcherApps.isActivityEnabledForProfile(cn, user); 1861 1862 if (validComponent) { 1863 if (restored) { 1864 // no special handling necessary for this item 1865 restoredRows.add(id); 1866 restored = false; 1867 } 1868 } else if (validPkg) { 1869 intent = null; 1870 if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { 1871 // We allow auto install apps to have their intent 1872 // updated after an install. 1873 intent = manager.getLaunchIntentForPackage( 1874 cn.getPackageName()); 1875 if (intent != null) { 1876 ContentValues values = new ContentValues(); 1877 values.put(LauncherSettings.Favorites.INTENT, 1878 intent.toUri(0)); 1879 updateItem(id, values); 1880 } 1881 } 1882 1883 if (intent == null) { 1884 // The app is installed but the component is no 1885 // longer available. 1886 Launcher.addDumpLog(TAG, 1887 "Invalid component removed: " + cn, true); 1888 itemsToRemove.add(id); 1889 continue; 1890 } else { 1891 // no special handling necessary for this item 1892 restoredRows.add(id); 1893 restored = false; 1894 } 1895 } else if (restored) { 1896 // Package is not yet available but might be 1897 // installed later. 1898 Launcher.addDumpLog(TAG, 1899 "package not yet restored: " + cn, true); 1900 1901 if ((promiseType & ShortcutInfo.FLAG_RESTORE_STARTED) != 0) { 1902 // Restore has started once. 1903 } else if (installingPkgs.containsKey(cn.getPackageName())) { 1904 // App restore has started. Update the flag 1905 promiseType |= ShortcutInfo.FLAG_RESTORE_STARTED; 1906 ContentValues values = new ContentValues(); 1907 values.put(LauncherSettings.Favorites.RESTORED, 1908 promiseType); 1909 updateItem(id, values); 1910 } else if ((promiseType & ShortcutInfo.FLAG_RESTORED_APP_TYPE) != 0) { 1911 // This is a common app. Try to replace this. 1912 int appType = CommonAppTypeParser.decodeItemTypeFromFlag(promiseType); 1913 CommonAppTypeParser parser = new CommonAppTypeParser(id, appType, context); 1914 if (parser.findDefaultApp()) { 1915 // Default app found. Replace it. 1916 intent = parser.parsedIntent; 1917 cn = intent.getComponent(); 1918 ContentValues values = parser.parsedValues; 1919 values.put(LauncherSettings.Favorites.RESTORED, 0); 1920 updateItem(id, values); 1921 restored = false; 1922 itemReplaced = true; 1923 1924 } else if (REMOVE_UNRESTORED_ICONS) { 1925 Launcher.addDumpLog(TAG, 1926 "Unrestored package removed: " + cn, true); 1927 itemsToRemove.add(id); 1928 continue; 1929 } 1930 } else if (REMOVE_UNRESTORED_ICONS) { 1931 Launcher.addDumpLog(TAG, 1932 "Unrestored package removed: " + cn, true); 1933 itemsToRemove.add(id); 1934 continue; 1935 } 1936 } else if (launcherApps.isAppEnabled( 1937 manager, cn.getPackageName(), 1938 PackageManager.GET_UNINSTALLED_PACKAGES)) { 1939 // Package is present but not available. 1940 allowMissingTarget = true; 1941 disabledState = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 1942 } else if (!isSdCardReady) { 1943 // SdCard is not ready yet. Package might get available, 1944 // once it is ready. 1945 Launcher.addDumpLog(TAG, "Invalid package: " + cn 1946 + " (check again later)", true); 1947 HashSet<String> pkgs = sPendingPackages.get(user); 1948 if (pkgs == null) { 1949 pkgs = new HashSet<String>(); 1950 sPendingPackages.put(user, pkgs); 1951 } 1952 pkgs.add(cn.getPackageName()); 1953 allowMissingTarget = true; 1954 // Add the icon on the workspace anyway. 1955 1956 } else { 1957 // Do not wait for external media load anymore. 1958 // Log the invalid package, and remove it 1959 Launcher.addDumpLog(TAG, 1960 "Invalid package removed: " + cn, true); 1961 itemsToRemove.add(id); 1962 continue; 1963 } 1964 } else if (cn == null) { 1965 // For shortcuts with no component, keep them as they are 1966 restoredRows.add(id); 1967 restored = false; 1968 } 1969 } catch (URISyntaxException e) { 1970 Launcher.addDumpLog(TAG, 1971 "Invalid uri: " + intentDescription, true); 1972 itemsToRemove.add(id); 1973 continue; 1974 } 1975 1976 boolean useLowResIcon = container >= 0 && 1977 c.getInt(rankIndex) >= FolderIcon.NUM_ITEMS_IN_PREVIEW; 1978 1979 if (itemReplaced) { 1980 if (user.equals(UserHandleCompat.myUserHandle())) { 1981 info = getAppShortcutInfo(manager, intent, user, context, null, 1982 cursorIconInfo.iconIndex, titleIndex, 1983 false, useLowResIcon); 1984 } else { 1985 // Don't replace items for other profiles. 1986 itemsToRemove.add(id); 1987 continue; 1988 } 1989 } else if (restored) { 1990 if (user.equals(UserHandleCompat.myUserHandle())) { 1991 Launcher.addDumpLog(TAG, 1992 "constructing info for partially restored package", 1993 true); 1994 info = getRestoredItemInfo(c, titleIndex, intent, 1995 promiseType, itemType, cursorIconInfo, context); 1996 intent = getRestoredItemIntent(c, context, intent); 1997 } else { 1998 // Don't restore items for other profiles. 1999 itemsToRemove.add(id); 2000 continue; 2001 } 2002 } else if (itemType == 2003 LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 2004 info = getAppShortcutInfo(manager, intent, user, context, c, 2005 cursorIconInfo.iconIndex, titleIndex, 2006 allowMissingTarget, useLowResIcon); 2007 } else { 2008 info = getShortcutInfo(c, context, titleIndex, cursorIconInfo); 2009 2010 // App shortcuts that used to be automatically added to Launcher 2011 // didn't always have the correct intent flags set, so do that 2012 // here 2013 if (intent.getAction() != null && 2014 intent.getCategories() != null && 2015 intent.getAction().equals(Intent.ACTION_MAIN) && 2016 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 2017 intent.addFlags( 2018 Intent.FLAG_ACTIVITY_NEW_TASK | 2019 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 2020 } 2021 } 2022 2023 if (info != null) { 2024 info.id = id; 2025 info.intent = intent; 2026 info.container = container; 2027 info.screenId = c.getInt(screenIndex); 2028 info.cellX = c.getInt(cellXIndex); 2029 info.cellY = c.getInt(cellYIndex); 2030 info.rank = c.getInt(rankIndex); 2031 info.spanX = 1; 2032 info.spanY = 1; 2033 info.intent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 2034 if (info.promisedIntent != null) { 2035 info.promisedIntent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 2036 } 2037 info.isDisabled = disabledState; 2038 if (isSafeMode && !Utilities.isSystemApp(context, intent)) { 2039 info.isDisabled |= ShortcutInfo.FLAG_DISABLED_SAFEMODE; 2040 } 2041 2042 // check & update map of what's occupied 2043 if (!checkItemPlacement(occupied, info, sBgWorkspaceScreens)) { 2044 itemsToRemove.add(id); 2045 break; 2046 } 2047 2048 if (restored) { 2049 ComponentName cn = info.getTargetComponent(); 2050 if (cn != null) { 2051 Integer progress = installingPkgs.get(cn.getPackageName()); 2052 if (progress != null) { 2053 info.setInstallProgress(progress); 2054 } else { 2055 info.status &= ~ShortcutInfo.FLAG_INSTALL_SESSION_ACTIVE; 2056 } 2057 } 2058 } 2059 2060 switch (container) { 2061 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 2062 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 2063 sBgWorkspaceItems.add(info); 2064 break; 2065 default: 2066 // Item is in a user folder 2067 FolderInfo folderInfo = 2068 findOrMakeFolder(sBgFolders, container); 2069 folderInfo.add(info); 2070 break; 2071 } 2072 sBgItemsIdMap.put(info.id, info); 2073 } else { 2074 throw new RuntimeException("Unexpected null ShortcutInfo"); 2075 } 2076 break; 2077 2078 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 2079 id = c.getLong(idIndex); 2080 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 2081 2082 // Do not trim the folder label, as is was set by the user. 2083 folderInfo.title = c.getString(titleIndex); 2084 folderInfo.id = id; 2085 folderInfo.container = container; 2086 folderInfo.screenId = c.getInt(screenIndex); 2087 folderInfo.cellX = c.getInt(cellXIndex); 2088 folderInfo.cellY = c.getInt(cellYIndex); 2089 folderInfo.spanX = 1; 2090 folderInfo.spanY = 1; 2091 folderInfo.options = c.getInt(optionsIndex); 2092 2093 // check & update map of what's occupied 2094 if (!checkItemPlacement(occupied, folderInfo, sBgWorkspaceScreens)) { 2095 itemsToRemove.add(id); 2096 break; 2097 } 2098 2099 switch (container) { 2100 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 2101 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 2102 sBgWorkspaceItems.add(folderInfo); 2103 break; 2104 } 2105 2106 if (restored) { 2107 // no special handling required for restored folders 2108 restoredRows.add(id); 2109 } 2110 2111 sBgItemsIdMap.put(folderInfo.id, folderInfo); 2112 sBgFolders.put(folderInfo.id, folderInfo); 2113 break; 2114 2115 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 2116 case LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET: 2117 // Read all Launcher-specific widget details 2118 boolean customWidget = itemType == 2119 LauncherSettings.Favorites.ITEM_TYPE_CUSTOM_APPWIDGET; 2120 2121 int appWidgetId = c.getInt(appWidgetIdIndex); 2122 serialNumber = c.getLong(profileIdIndex); 2123 String savedProvider = c.getString(appWidgetProviderIndex); 2124 id = c.getLong(idIndex); 2125 user = allUsers.get(serialNumber); 2126 if (user == null) { 2127 itemsToRemove.add(id); 2128 continue; 2129 } 2130 2131 final ComponentName component = 2132 ComponentName.unflattenFromString(savedProvider); 2133 2134 final int restoreStatus = c.getInt(restoredIndex); 2135 final boolean isIdValid = (restoreStatus & 2136 LauncherAppWidgetInfo.FLAG_ID_NOT_VALID) == 0; 2137 final boolean wasProviderReady = (restoreStatus & 2138 LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) == 0; 2139 2140 final LauncherAppWidgetProviderInfo provider = 2141 LauncherModel.getProviderInfo(context, 2142 ComponentName.unflattenFromString(savedProvider), 2143 user); 2144 2145 final boolean isProviderReady = isValidProvider(provider); 2146 if (!isSafeMode && !customWidget && 2147 wasProviderReady && !isProviderReady) { 2148 String log = "Deleting widget that isn't installed anymore: " 2149 + "id=" + id + " appWidgetId=" + appWidgetId; 2150 2151 Log.e(TAG, log); 2152 Launcher.addDumpLog(TAG, log, false); 2153 itemsToRemove.add(id); 2154 } else { 2155 if (isProviderReady) { 2156 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2157 provider.provider); 2158 2159 // The provider is available. So the widget is either 2160 // available or not available. We do not need to track 2161 // any future restore updates. 2162 int status = restoreStatus & 2163 ~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 2164 if (!wasProviderReady) { 2165 // If provider was not previously ready, update the 2166 // status and UI flag. 2167 2168 // Id would be valid only if the widget restore broadcast was received. 2169 if (isIdValid) { 2170 status = LauncherAppWidgetInfo.FLAG_UI_NOT_READY; 2171 } else { 2172 status &= ~LauncherAppWidgetInfo 2173 .FLAG_PROVIDER_NOT_READY; 2174 } 2175 } 2176 appWidgetInfo.restoreStatus = status; 2177 } else { 2178 Log.v(TAG, "Widget restore pending id=" + id 2179 + " appWidgetId=" + appWidgetId 2180 + " status =" + restoreStatus); 2181 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2182 component); 2183 appWidgetInfo.restoreStatus = restoreStatus; 2184 Integer installProgress = installingPkgs.get(component.getPackageName()); 2185 2186 if ((restoreStatus & LauncherAppWidgetInfo.FLAG_RESTORE_STARTED) != 0) { 2187 // Restore has started once. 2188 } else if (installProgress != null) { 2189 // App restore has started. Update the flag 2190 appWidgetInfo.restoreStatus |= 2191 LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 2192 } else if (REMOVE_UNRESTORED_ICONS && !isSafeMode) { 2193 Launcher.addDumpLog(TAG, 2194 "Unrestored widget removed: " + component, true); 2195 itemsToRemove.add(id); 2196 continue; 2197 } 2198 2199 appWidgetInfo.installProgress = 2200 installProgress == null ? 0 : installProgress; 2201 } 2202 2203 appWidgetInfo.id = id; 2204 appWidgetInfo.screenId = c.getInt(screenIndex); 2205 appWidgetInfo.cellX = c.getInt(cellXIndex); 2206 appWidgetInfo.cellY = c.getInt(cellYIndex); 2207 appWidgetInfo.spanX = c.getInt(spanXIndex); 2208 appWidgetInfo.spanY = c.getInt(spanYIndex); 2209 appWidgetInfo.user = user; 2210 2211 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 2212 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2213 Log.e(TAG, "Widget found where container != " + 2214 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 2215 itemsToRemove.add(id); 2216 continue; 2217 } 2218 2219 appWidgetInfo.container = container; 2220 // check & update map of what's occupied 2221 if (!checkItemPlacement(occupied, appWidgetInfo, sBgWorkspaceScreens)) { 2222 itemsToRemove.add(id); 2223 break; 2224 } 2225 2226 if (!customWidget) { 2227 String providerName = 2228 appWidgetInfo.providerName.flattenToString(); 2229 if (!providerName.equals(savedProvider) || 2230 (appWidgetInfo.restoreStatus != restoreStatus)) { 2231 ContentValues values = new ContentValues(); 2232 values.put( 2233 LauncherSettings.Favorites.APPWIDGET_PROVIDER, 2234 providerName); 2235 values.put(LauncherSettings.Favorites.RESTORED, 2236 appWidgetInfo.restoreStatus); 2237 updateItem(id, values); 2238 } 2239 } 2240 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 2241 sBgAppWidgets.add(appWidgetInfo); 2242 } 2243 break; 2244 } 2245 } catch (Exception e) { 2246 Launcher.addDumpLog(TAG, "Desktop items loading interrupted", e, true); 2247 } 2248 } 2249 } finally { 2250 if (c != null) { 2251 c.close(); 2252 } 2253 } 2254 2255 // Break early if we've stopped loading 2256 if (mStopped) { 2257 clearSBgDataStructures(); 2258 return; 2259 } 2260 2261 if (itemsToRemove.size() > 0) { 2262 // Remove dead items 2263 contentResolver.delete(LauncherSettings.Favorites.CONTENT_URI, 2264 Utilities.createDbSelectionQuery( 2265 LauncherSettings.Favorites._ID, itemsToRemove), null); 2266 if (DEBUG_LOADERS) { 2267 Log.d(TAG, "Removed = " + Utilities.createDbSelectionQuery( 2268 LauncherSettings.Favorites._ID, itemsToRemove)); 2269 } 2270 2271 // Remove any empty folder 2272 for (long folderId : LauncherAppState.getLauncherProvider() 2273 .deleteEmptyFolders()) { 2274 sBgWorkspaceItems.remove(sBgFolders.get(folderId)); 2275 sBgFolders.remove(folderId); 2276 sBgItemsIdMap.remove(folderId); 2277 } 2278 } 2279 2280 // Sort all the folder items and make sure the first 3 items are high resolution. 2281 for (FolderInfo folder : sBgFolders) { 2282 Collections.sort(folder.contents, Folder.ITEM_POS_COMPARATOR); 2283 int pos = 0; 2284 for (ShortcutInfo info : folder.contents) { 2285 if (info.usingLowResIcon) { 2286 info.updateIcon(mIconCache, false); 2287 } 2288 pos ++; 2289 if (pos >= FolderIcon.NUM_ITEMS_IN_PREVIEW) { 2290 break; 2291 } 2292 } 2293 } 2294 2295 if (restoredRows.size() > 0) { 2296 // Update restored items that no longer require special handling 2297 ContentValues values = new ContentValues(); 2298 values.put(LauncherSettings.Favorites.RESTORED, 0); 2299 contentResolver.update(LauncherSettings.Favorites.CONTENT_URI, values, 2300 Utilities.createDbSelectionQuery( 2301 LauncherSettings.Favorites._ID, restoredRows), null); 2302 } 2303 2304 if (!isSdCardReady && !sPendingPackages.isEmpty()) { 2305 context.registerReceiver(new AppsAvailabilityCheck(), 2306 new IntentFilter(StartupReceiver.SYSTEM_READY), 2307 null, sWorker); 2308 } 2309 2310 // Remove any empty screens 2311 ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens); 2312 for (ItemInfo item: sBgItemsIdMap) { 2313 long screenId = item.screenId; 2314 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2315 unusedScreens.contains(screenId)) { 2316 unusedScreens.remove(screenId); 2317 } 2318 } 2319 2320 // If there are any empty screens remove them, and update. 2321 if (unusedScreens.size() != 0) { 2322 sBgWorkspaceScreens.removeAll(unusedScreens); 2323 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2324 } 2325 2326 if (DEBUG_LOADERS) { 2327 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 2328 Log.d(TAG, "workspace layout: "); 2329 int nScreens = occupied.size(); 2330 for (int y = 0; y < countY; y++) { 2331 String line = ""; 2332 2333 for (int i = 0; i < nScreens; i++) { 2334 long screenId = occupied.keyAt(i); 2335 if (screenId > 0) { 2336 line += " | "; 2337 } 2338 ItemInfo[][] screen = occupied.valueAt(i); 2339 for (int x = 0; x < countX; x++) { 2340 if (x < screen.length && y < screen[x].length) { 2341 line += (screen[x][y] != null) ? "#" : "."; 2342 } else { 2343 line += "!"; 2344 } 2345 } 2346 } 2347 Log.d(TAG, "[ " + line + " ]"); 2348 } 2349 } 2350 } 2351 } 2352 2353 /** 2354 * Partially updates the item without any notification. Must be called on the worker thread. 2355 */ 2356 private void updateItem(long itemId, ContentValues update) { 2357 mContext.getContentResolver().update( 2358 LauncherSettings.Favorites.CONTENT_URI, 2359 update, 2360 BaseColumns._ID + "= ?", 2361 new String[]{Long.toString(itemId)}); 2362 } 2363 2364 /** Filters the set of items who are directly or indirectly (via another container) on the 2365 * specified screen. */ 2366 private void filterCurrentWorkspaceItems(long currentScreenId, 2367 ArrayList<ItemInfo> allWorkspaceItems, 2368 ArrayList<ItemInfo> currentScreenItems, 2369 ArrayList<ItemInfo> otherScreenItems) { 2370 // Purge any null ItemInfos 2371 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 2372 while (iter.hasNext()) { 2373 ItemInfo i = iter.next(); 2374 if (i == null) { 2375 iter.remove(); 2376 } 2377 } 2378 2379 // Order the set of items by their containers first, this allows use to walk through the 2380 // list sequentially, build up a list of containers that are in the specified screen, 2381 // as well as all items in those containers. 2382 Set<Long> itemsOnScreen = new HashSet<Long>(); 2383 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 2384 @Override 2385 public int compare(ItemInfo lhs, ItemInfo rhs) { 2386 return (int) (lhs.container - rhs.container); 2387 } 2388 }); 2389 for (ItemInfo info : allWorkspaceItems) { 2390 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 2391 if (info.screenId == currentScreenId) { 2392 currentScreenItems.add(info); 2393 itemsOnScreen.add(info.id); 2394 } else { 2395 otherScreenItems.add(info); 2396 } 2397 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2398 currentScreenItems.add(info); 2399 itemsOnScreen.add(info.id); 2400 } else { 2401 if (itemsOnScreen.contains(info.container)) { 2402 currentScreenItems.add(info); 2403 itemsOnScreen.add(info.id); 2404 } else { 2405 otherScreenItems.add(info); 2406 } 2407 } 2408 } 2409 } 2410 2411 /** Filters the set of widgets which are on the specified screen. */ 2412 private void filterCurrentAppWidgets(long currentScreenId, 2413 ArrayList<LauncherAppWidgetInfo> appWidgets, 2414 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 2415 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 2416 2417 for (LauncherAppWidgetInfo widget : appWidgets) { 2418 if (widget == null) continue; 2419 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2420 widget.screenId == currentScreenId) { 2421 currentScreenWidgets.add(widget); 2422 } else { 2423 otherScreenWidgets.add(widget); 2424 } 2425 } 2426 } 2427 2428 /** Filters the set of folders which are on the specified screen. */ 2429 private void filterCurrentFolders(long currentScreenId, 2430 LongArrayMap<ItemInfo> itemsIdMap, 2431 LongArrayMap<FolderInfo> folders, 2432 LongArrayMap<FolderInfo> currentScreenFolders, 2433 LongArrayMap<FolderInfo> otherScreenFolders) { 2434 2435 int total = folders.size(); 2436 for (int i = 0; i < total; i++) { 2437 long id = folders.keyAt(i); 2438 FolderInfo folder = folders.valueAt(i); 2439 2440 ItemInfo info = itemsIdMap.get(id); 2441 if (info == null || folder == null) continue; 2442 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2443 info.screenId == currentScreenId) { 2444 currentScreenFolders.put(id, folder); 2445 } else { 2446 otherScreenFolders.put(id, folder); 2447 } 2448 } 2449 } 2450 2451 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 2452 * right) */ 2453 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 2454 final LauncherAppState app = LauncherAppState.getInstance(); 2455 final InvariantDeviceProfile profile = app.getInvariantDeviceProfile(); 2456 // XXX: review this 2457 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 2458 @Override 2459 public int compare(ItemInfo lhs, ItemInfo rhs) { 2460 int cellCountX = (int) profile.numColumns; 2461 int cellCountY = (int) profile.numRows; 2462 int screenOffset = cellCountX * cellCountY; 2463 int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat 2464 long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset + 2465 lhs.cellY * cellCountX + lhs.cellX); 2466 long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset + 2467 rhs.cellY * cellCountX + rhs.cellX); 2468 return (int) (lr - rr); 2469 } 2470 }); 2471 } 2472 2473 private void bindWorkspaceScreens(final Callbacks oldCallbacks, 2474 final ArrayList<Long> orderedScreens) { 2475 final Runnable r = new Runnable() { 2476 @Override 2477 public void run() { 2478 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2479 if (callbacks != null) { 2480 callbacks.bindScreens(orderedScreens); 2481 } 2482 } 2483 }; 2484 runOnMainThread(r); 2485 } 2486 2487 private void bindWorkspaceItems(final Callbacks oldCallbacks, 2488 final ArrayList<ItemInfo> workspaceItems, 2489 final ArrayList<LauncherAppWidgetInfo> appWidgets, 2490 final LongArrayMap<FolderInfo> folders, 2491 ArrayList<Runnable> deferredBindRunnables) { 2492 2493 final boolean postOnMainThread = (deferredBindRunnables != null); 2494 2495 // Bind the workspace items 2496 int N = workspaceItems.size(); 2497 for (int i = 0; i < N; i += ITEMS_CHUNK) { 2498 final int start = i; 2499 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 2500 final Runnable r = new Runnable() { 2501 @Override 2502 public void run() { 2503 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2504 if (callbacks != null) { 2505 callbacks.bindItems(workspaceItems, start, start+chunkSize, 2506 false); 2507 } 2508 } 2509 }; 2510 if (postOnMainThread) { 2511 synchronized (deferredBindRunnables) { 2512 deferredBindRunnables.add(r); 2513 } 2514 } else { 2515 runOnMainThread(r); 2516 } 2517 } 2518 2519 // Bind the folders 2520 if (!folders.isEmpty()) { 2521 final Runnable r = new Runnable() { 2522 public void run() { 2523 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2524 if (callbacks != null) { 2525 callbacks.bindFolders(folders); 2526 } 2527 } 2528 }; 2529 if (postOnMainThread) { 2530 synchronized (deferredBindRunnables) { 2531 deferredBindRunnables.add(r); 2532 } 2533 } else { 2534 runOnMainThread(r); 2535 } 2536 } 2537 2538 // Bind the widgets, one at a time 2539 N = appWidgets.size(); 2540 for (int i = 0; i < N; i++) { 2541 final LauncherAppWidgetInfo widget = appWidgets.get(i); 2542 final Runnable r = new Runnable() { 2543 public void run() { 2544 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2545 if (callbacks != null) { 2546 callbacks.bindAppWidget(widget); 2547 } 2548 } 2549 }; 2550 if (postOnMainThread) { 2551 deferredBindRunnables.add(r); 2552 } else { 2553 runOnMainThread(r); 2554 } 2555 } 2556 } 2557 2558 /** 2559 * Binds all loaded data to actual views on the main thread. 2560 */ 2561 private void bindWorkspace(int synchronizeBindPage) { 2562 final long t = SystemClock.uptimeMillis(); 2563 Runnable r; 2564 2565 // Don't use these two variables in any of the callback runnables. 2566 // Otherwise we hold a reference to them. 2567 final Callbacks oldCallbacks = mCallbacks.get(); 2568 if (oldCallbacks == null) { 2569 // This launcher has exited and nobody bothered to tell us. Just bail. 2570 Log.w(TAG, "LoaderTask running with no launcher"); 2571 return; 2572 } 2573 2574 // Save a copy of all the bg-thread collections 2575 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 2576 ArrayList<LauncherAppWidgetInfo> appWidgets = 2577 new ArrayList<LauncherAppWidgetInfo>(); 2578 ArrayList<Long> orderedScreenIds = new ArrayList<Long>(); 2579 2580 final LongArrayMap<FolderInfo> folders; 2581 final LongArrayMap<ItemInfo> itemsIdMap; 2582 2583 synchronized (sBgLock) { 2584 workspaceItems.addAll(sBgWorkspaceItems); 2585 appWidgets.addAll(sBgAppWidgets); 2586 orderedScreenIds.addAll(sBgWorkspaceScreens); 2587 2588 folders = sBgFolders.clone(); 2589 itemsIdMap = sBgItemsIdMap.clone(); 2590 } 2591 2592 final boolean isLoadingSynchronously = 2593 synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE; 2594 int currScreen = isLoadingSynchronously ? synchronizeBindPage : 2595 oldCallbacks.getCurrentWorkspaceScreen(); 2596 if (currScreen >= orderedScreenIds.size()) { 2597 // There may be no workspace screens (just hotseat items and an empty page). 2598 currScreen = PagedView.INVALID_RESTORE_PAGE; 2599 } 2600 final int currentScreen = currScreen; 2601 final long currentScreenId = currentScreen < 0 2602 ? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen); 2603 2604 // Load all the items that are on the current page first (and in the process, unbind 2605 // all the existing workspace items before we call startBinding() below. 2606 unbindWorkspaceItemsOnMainThread(); 2607 2608 // Separate the items that are on the current screen, and all the other remaining items 2609 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 2610 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 2611 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 2612 new ArrayList<LauncherAppWidgetInfo>(); 2613 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 2614 new ArrayList<LauncherAppWidgetInfo>(); 2615 LongArrayMap<FolderInfo> currentFolders = new LongArrayMap<>(); 2616 LongArrayMap<FolderInfo> otherFolders = new LongArrayMap<>(); 2617 2618 filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems, 2619 otherWorkspaceItems); 2620 filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets, 2621 otherAppWidgets); 2622 filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders, 2623 otherFolders); 2624 sortWorkspaceItemsSpatially(currentWorkspaceItems); 2625 sortWorkspaceItemsSpatially(otherWorkspaceItems); 2626 2627 // Tell the workspace that we're about to start binding items 2628 r = new Runnable() { 2629 public void run() { 2630 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2631 if (callbacks != null) { 2632 callbacks.startBinding(); 2633 } 2634 } 2635 }; 2636 runOnMainThread(r); 2637 2638 bindWorkspaceScreens(oldCallbacks, orderedScreenIds); 2639 2640 // Load items on the current page 2641 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 2642 currentFolders, null); 2643 if (isLoadingSynchronously) { 2644 r = new Runnable() { 2645 public void run() { 2646 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2647 if (callbacks != null && currentScreen != PagedView.INVALID_RESTORE_PAGE) { 2648 callbacks.onPageBoundSynchronously(currentScreen); 2649 } 2650 } 2651 }; 2652 runOnMainThread(r); 2653 } 2654 2655 // Load all the remaining pages (if we are loading synchronously, we want to defer this 2656 // work until after the first render) 2657 synchronized (mDeferredBindRunnables) { 2658 mDeferredBindRunnables.clear(); 2659 } 2660 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, 2661 (isLoadingSynchronously ? mDeferredBindRunnables : null)); 2662 2663 // Tell the workspace that we're done binding items 2664 r = new Runnable() { 2665 public void run() { 2666 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2667 if (callbacks != null) { 2668 callbacks.finishBindingItems(); 2669 } 2670 2671 mIsLoadingAndBindingWorkspace = false; 2672 2673 // Run all the bind complete runnables after workspace is bound. 2674 if (!mBindCompleteRunnables.isEmpty()) { 2675 synchronized (mBindCompleteRunnables) { 2676 for (final Runnable r : mBindCompleteRunnables) { 2677 runOnWorkerThread(r); 2678 } 2679 mBindCompleteRunnables.clear(); 2680 } 2681 } 2682 2683 // If we're profiling, ensure this is the last thing in the queue. 2684 if (DEBUG_LOADERS) { 2685 Log.d(TAG, "bound workspace in " 2686 + (SystemClock.uptimeMillis()-t) + "ms"); 2687 } 2688 2689 } 2690 }; 2691 if (isLoadingSynchronously) { 2692 synchronized (mDeferredBindRunnables) { 2693 mDeferredBindRunnables.add(r); 2694 } 2695 } else { 2696 runOnMainThread(r); 2697 } 2698 } 2699 2700 private void loadAndBindAllApps() { 2701 if (DEBUG_LOADERS) { 2702 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 2703 } 2704 if (!mAllAppsLoaded) { 2705 loadAllApps(); 2706 synchronized (LoaderTask.this) { 2707 if (mStopped) { 2708 return; 2709 } 2710 } 2711 updateIconCache(); 2712 synchronized (LoaderTask.this) { 2713 if (mStopped) { 2714 return; 2715 } 2716 mAllAppsLoaded = true; 2717 } 2718 } else { 2719 onlyBindAllApps(); 2720 } 2721 } 2722 2723 private void updateIconCache() { 2724 // Ignore packages which have a promise icon. 2725 HashSet<String> packagesToIgnore = new HashSet<>(); 2726 synchronized (sBgLock) { 2727 for (ItemInfo info : sBgItemsIdMap) { 2728 if (info instanceof ShortcutInfo) { 2729 ShortcutInfo si = (ShortcutInfo) info; 2730 if (si.isPromise() && si.getTargetComponent() != null) { 2731 packagesToIgnore.add(si.getTargetComponent().getPackageName()); 2732 } 2733 } else if (info instanceof LauncherAppWidgetInfo) { 2734 LauncherAppWidgetInfo lawi = (LauncherAppWidgetInfo) info; 2735 if (lawi.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY)) { 2736 packagesToIgnore.add(lawi.providerName.getPackageName()); 2737 } 2738 } 2739 } 2740 } 2741 mIconCache.updateDbIcons(packagesToIgnore); 2742 } 2743 2744 private void onlyBindAllApps() { 2745 final Callbacks oldCallbacks = mCallbacks.get(); 2746 if (oldCallbacks == null) { 2747 // This launcher has exited and nobody bothered to tell us. Just bail. 2748 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 2749 return; 2750 } 2751 2752 // shallow copy 2753 @SuppressWarnings("unchecked") 2754 final ArrayList<AppInfo> list 2755 = (ArrayList<AppInfo>) mBgAllAppsList.data.clone(); 2756 final WidgetsModel widgetList = mBgWidgetsModel.clone(); 2757 Runnable r = new Runnable() { 2758 public void run() { 2759 final long t = SystemClock.uptimeMillis(); 2760 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2761 if (callbacks != null) { 2762 callbacks.bindAllApplications(list); 2763 callbacks.bindAllPackages(widgetList); 2764 } 2765 if (DEBUG_LOADERS) { 2766 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 2767 + (SystemClock.uptimeMillis()-t) + "ms"); 2768 } 2769 } 2770 }; 2771 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 2772 if (isRunningOnMainThread) { 2773 r.run(); 2774 } else { 2775 mHandler.post(r); 2776 } 2777 } 2778 2779 private void loadAllApps() { 2780 final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2781 2782 final Callbacks oldCallbacks = mCallbacks.get(); 2783 if (oldCallbacks == null) { 2784 // This launcher has exited and nobody bothered to tell us. Just bail. 2785 Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); 2786 return; 2787 } 2788 2789 final List<UserHandleCompat> profiles = mUserManager.getUserProfiles(); 2790 2791 // Clear the list of apps 2792 mBgAllAppsList.clear(); 2793 for (UserHandleCompat user : profiles) { 2794 // Query for the set of apps 2795 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2796 final List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user); 2797 if (DEBUG_LOADERS) { 2798 Log.d(TAG, "getActivityList took " 2799 + (SystemClock.uptimeMillis()-qiaTime) + "ms for user " + user); 2800 Log.d(TAG, "getActivityList got " + apps.size() + " apps for user " + user); 2801 } 2802 // Fail if we don't have any apps 2803 // TODO: Fix this. Only fail for the current user. 2804 if (apps == null || apps.isEmpty()) { 2805 return; 2806 } 2807 2808 // Create the ApplicationInfos 2809 for (int i = 0; i < apps.size(); i++) { 2810 LauncherActivityInfoCompat app = apps.get(i); 2811 // This builds the icon bitmaps. 2812 mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache)); 2813 } 2814 2815 final ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(mContext, user); 2816 if (heuristic != null) { 2817 final Runnable r = new Runnable() { 2818 2819 @Override 2820 public void run() { 2821 heuristic.processUserApps(apps); 2822 } 2823 }; 2824 runOnMainThread(new Runnable() { 2825 2826 @Override 2827 public void run() { 2828 // Check isLoadingWorkspace on the UI thread, as it is updated on 2829 // the UI thread. 2830 if (mIsLoadingAndBindingWorkspace) { 2831 synchronized (mBindCompleteRunnables) { 2832 mBindCompleteRunnables.add(r); 2833 } 2834 } else { 2835 runOnWorkerThread(r); 2836 } 2837 } 2838 }); 2839 } 2840 } 2841 // Huh? Shouldn't this be inside the Runnable below? 2842 final ArrayList<AppInfo> added = mBgAllAppsList.added; 2843 mBgAllAppsList.added = new ArrayList<AppInfo>(); 2844 2845 // Post callback on main thread 2846 mHandler.post(new Runnable() { 2847 public void run() { 2848 2849 final long bindTime = SystemClock.uptimeMillis(); 2850 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2851 if (callbacks != null) { 2852 callbacks.bindAllApplications(added); 2853 if (DEBUG_LOADERS) { 2854 Log.d(TAG, "bound " + added.size() + " apps in " 2855 + (SystemClock.uptimeMillis() - bindTime) + "ms"); 2856 } 2857 } else { 2858 Log.i(TAG, "not binding apps: no Launcher activity"); 2859 } 2860 } 2861 }); 2862 // Cleanup any data stored for a deleted user. 2863 ManagedProfileHeuristic.processAllUsers(profiles, mContext); 2864 2865 loadAndBindWidgetsAndShortcuts(tryGetCallbacks(oldCallbacks), true /* refresh */); 2866 if (DEBUG_LOADERS) { 2867 Log.d(TAG, "Icons processed in " 2868 + (SystemClock.uptimeMillis() - loadTime) + "ms"); 2869 } 2870 } 2871 2872 public void dumpState() { 2873 synchronized (sBgLock) { 2874 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 2875 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 2876 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 2877 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 2878 } 2879 } 2880 } 2881 2882 /** 2883 * Called when the icons for packages have been updated in the icon cache. 2884 */ 2885 public void onPackageIconsUpdated(HashSet<String> updatedPackages, UserHandleCompat user) { 2886 final Callbacks callbacks = getCallback(); 2887 final ArrayList<AppInfo> updatedApps = new ArrayList<>(); 2888 final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<>(); 2889 2890 // If any package icon has changed (app was updated while launcher was dead), 2891 // update the corresponding shortcuts. 2892 synchronized (sBgLock) { 2893 for (ItemInfo info : sBgItemsIdMap) { 2894 if (info instanceof ShortcutInfo && user.equals(info.user) 2895 && info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 2896 ShortcutInfo si = (ShortcutInfo) info; 2897 ComponentName cn = si.getTargetComponent(); 2898 if (cn != null && updatedPackages.contains(cn.getPackageName())) { 2899 si.updateIcon(mIconCache); 2900 updatedShortcuts.add(si); 2901 } 2902 } 2903 } 2904 mBgAllAppsList.updateIconsAndLabels(updatedPackages, user, updatedApps); 2905 } 2906 2907 if (!updatedShortcuts.isEmpty()) { 2908 final UserHandleCompat userFinal = user; 2909 mHandler.post(new Runnable() { 2910 2911 public void run() { 2912 Callbacks cb = getCallback(); 2913 if (cb != null && callbacks == cb) { 2914 cb.bindShortcutsChanged(updatedShortcuts, 2915 new ArrayList<ShortcutInfo>(), userFinal); 2916 } 2917 } 2918 }); 2919 } 2920 2921 if (!updatedApps.isEmpty()) { 2922 mHandler.post(new Runnable() { 2923 2924 public void run() { 2925 Callbacks cb = getCallback(); 2926 if (cb != null && callbacks == cb) { 2927 cb.bindAppsUpdated(updatedApps); 2928 } 2929 } 2930 }); 2931 } 2932 2933 // Reload widget list. No need to refresh, as we only want to update the icons and labels. 2934 loadAndBindWidgetsAndShortcuts(callbacks, false); 2935 } 2936 2937 void enqueuePackageUpdated(PackageUpdatedTask task) { 2938 sWorker.post(task); 2939 } 2940 2941 @Thunk class AppsAvailabilityCheck extends BroadcastReceiver { 2942 2943 @Override 2944 public void onReceive(Context context, Intent intent) { 2945 synchronized (sBgLock) { 2946 final LauncherAppsCompat launcherApps = LauncherAppsCompat 2947 .getInstance(mApp.getContext()); 2948 final PackageManager manager = context.getPackageManager(); 2949 final ArrayList<String> packagesRemoved = new ArrayList<String>(); 2950 final ArrayList<String> packagesUnavailable = new ArrayList<String>(); 2951 for (Entry<UserHandleCompat, HashSet<String>> entry : sPendingPackages.entrySet()) { 2952 UserHandleCompat user = entry.getKey(); 2953 packagesRemoved.clear(); 2954 packagesUnavailable.clear(); 2955 for (String pkg : entry.getValue()) { 2956 if (!launcherApps.isPackageEnabledForProfile(pkg, user)) { 2957 boolean packageOnSdcard = launcherApps.isAppEnabled( 2958 manager, pkg, PackageManager.GET_UNINSTALLED_PACKAGES); 2959 if (packageOnSdcard) { 2960 Launcher.addDumpLog(TAG, "Package found on sd-card: " + pkg, true); 2961 packagesUnavailable.add(pkg); 2962 } else { 2963 Launcher.addDumpLog(TAG, "Package not found: " + pkg, true); 2964 packagesRemoved.add(pkg); 2965 } 2966 } 2967 } 2968 if (!packagesRemoved.isEmpty()) { 2969 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_REMOVE, 2970 packagesRemoved.toArray(new String[packagesRemoved.size()]), user)); 2971 } 2972 if (!packagesUnavailable.isEmpty()) { 2973 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UNAVAILABLE, 2974 packagesUnavailable.toArray(new String[packagesUnavailable.size()]), user)); 2975 } 2976 } 2977 sPendingPackages.clear(); 2978 } 2979 } 2980 } 2981 2982 private class PackageUpdatedTask implements Runnable { 2983 int mOp; 2984 String[] mPackages; 2985 UserHandleCompat mUser; 2986 2987 public static final int OP_NONE = 0; 2988 public static final int OP_ADD = 1; 2989 public static final int OP_UPDATE = 2; 2990 public static final int OP_REMOVE = 3; // uninstlled 2991 public static final int OP_UNAVAILABLE = 4; // external media unmounted 2992 2993 2994 public PackageUpdatedTask(int op, String[] packages, UserHandleCompat user) { 2995 mOp = op; 2996 mPackages = packages; 2997 mUser = user; 2998 } 2999 3000 public void run() { 3001 if (!mHasLoaderCompletedOnce) { 3002 // Loader has not yet run. 3003 return; 3004 } 3005 final Context context = mApp.getContext(); 3006 3007 final String[] packages = mPackages; 3008 final int N = packages.length; 3009 switch (mOp) { 3010 case OP_ADD: { 3011 for (int i=0; i<N; i++) { 3012 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 3013 mIconCache.updateIconsForPkg(packages[i], mUser); 3014 mBgAllAppsList.addPackage(context, packages[i], mUser); 3015 } 3016 3017 ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser); 3018 if (heuristic != null) { 3019 heuristic.processPackageAdd(mPackages); 3020 } 3021 break; 3022 } 3023 case OP_UPDATE: 3024 for (int i=0; i<N; i++) { 3025 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 3026 mIconCache.updateIconsForPkg(packages[i], mUser); 3027 mBgAllAppsList.updatePackage(context, packages[i], mUser); 3028 mApp.getWidgetCache().removePackage(packages[i], mUser); 3029 } 3030 break; 3031 case OP_REMOVE: { 3032 ManagedProfileHeuristic heuristic = ManagedProfileHeuristic.get(context, mUser); 3033 if (heuristic != null) { 3034 heuristic.processPackageRemoved(mPackages); 3035 } 3036 for (int i=0; i<N; i++) { 3037 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 3038 mIconCache.removeIconsForPkg(packages[i], mUser); 3039 } 3040 // Fall through 3041 } 3042 case OP_UNAVAILABLE: 3043 for (int i=0; i<N; i++) { 3044 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 3045 mBgAllAppsList.removePackage(packages[i], mUser); 3046 mApp.getWidgetCache().removePackage(packages[i], mUser); 3047 } 3048 break; 3049 } 3050 3051 ArrayList<AppInfo> added = null; 3052 ArrayList<AppInfo> modified = null; 3053 final ArrayList<AppInfo> removedApps = new ArrayList<AppInfo>(); 3054 3055 if (mBgAllAppsList.added.size() > 0) { 3056 added = new ArrayList<AppInfo>(mBgAllAppsList.added); 3057 mBgAllAppsList.added.clear(); 3058 } 3059 if (mBgAllAppsList.modified.size() > 0) { 3060 modified = new ArrayList<AppInfo>(mBgAllAppsList.modified); 3061 mBgAllAppsList.modified.clear(); 3062 } 3063 if (mBgAllAppsList.removed.size() > 0) { 3064 removedApps.addAll(mBgAllAppsList.removed); 3065 mBgAllAppsList.removed.clear(); 3066 } 3067 3068 final Callbacks callbacks = getCallback(); 3069 if (callbacks == null) { 3070 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 3071 return; 3072 } 3073 3074 final HashMap<ComponentName, AppInfo> addedOrUpdatedApps = 3075 new HashMap<ComponentName, AppInfo>(); 3076 3077 if (added != null) { 3078 addAppsToAllApps(context, added); 3079 for (AppInfo ai : added) { 3080 addedOrUpdatedApps.put(ai.componentName, ai); 3081 } 3082 } 3083 3084 if (modified != null) { 3085 final ArrayList<AppInfo> modifiedFinal = modified; 3086 for (AppInfo ai : modified) { 3087 addedOrUpdatedApps.put(ai.componentName, ai); 3088 } 3089 3090 mHandler.post(new Runnable() { 3091 public void run() { 3092 Callbacks cb = getCallback(); 3093 if (callbacks == cb && cb != null) { 3094 callbacks.bindAppsUpdated(modifiedFinal); 3095 } 3096 } 3097 }); 3098 } 3099 3100 // Update shortcut infos 3101 if (mOp == OP_ADD || mOp == OP_UPDATE) { 3102 final ArrayList<ShortcutInfo> updatedShortcuts = new ArrayList<ShortcutInfo>(); 3103 final ArrayList<ShortcutInfo> removedShortcuts = new ArrayList<ShortcutInfo>(); 3104 final ArrayList<LauncherAppWidgetInfo> widgets = new ArrayList<LauncherAppWidgetInfo>(); 3105 3106 HashSet<String> packageSet = new HashSet<String>(Arrays.asList(packages)); 3107 synchronized (sBgLock) { 3108 for (ItemInfo info : sBgItemsIdMap) { 3109 if (info instanceof ShortcutInfo && mUser.equals(info.user)) { 3110 ShortcutInfo si = (ShortcutInfo) info; 3111 boolean infoUpdated = false; 3112 boolean shortcutUpdated = false; 3113 3114 // Update shortcuts which use iconResource. 3115 if ((si.iconResource != null) 3116 && packageSet.contains(si.iconResource.packageName)) { 3117 Bitmap icon = Utilities.createIconBitmap( 3118 si.iconResource.packageName, 3119 si.iconResource.resourceName, context); 3120 if (icon != null) { 3121 si.setIcon(icon); 3122 si.usingFallbackIcon = false; 3123 infoUpdated = true; 3124 } 3125 } 3126 3127 ComponentName cn = si.getTargetComponent(); 3128 if (cn != null && packageSet.contains(cn.getPackageName())) { 3129 AppInfo appInfo = addedOrUpdatedApps.get(cn); 3130 3131 if (si.isPromise()) { 3132 if (si.hasStatusFlag(ShortcutInfo.FLAG_AUTOINTALL_ICON)) { 3133 // Auto install icon 3134 PackageManager pm = context.getPackageManager(); 3135 ResolveInfo matched = pm.resolveActivity( 3136 new Intent(Intent.ACTION_MAIN) 3137 .setComponent(cn).addCategory(Intent.CATEGORY_LAUNCHER), 3138 PackageManager.MATCH_DEFAULT_ONLY); 3139 if (matched == null) { 3140 // Try to find the best match activity. 3141 Intent intent = pm.getLaunchIntentForPackage( 3142 cn.getPackageName()); 3143 if (intent != null) { 3144 cn = intent.getComponent(); 3145 appInfo = addedOrUpdatedApps.get(cn); 3146 } 3147 3148 if ((intent == null) || (appInfo == null)) { 3149 removedShortcuts.add(si); 3150 continue; 3151 } 3152 si.promisedIntent = intent; 3153 } 3154 } 3155 3156 // Restore the shortcut. 3157 if (appInfo != null) { 3158 si.flags = appInfo.flags; 3159 } 3160 3161 si.intent = si.promisedIntent; 3162 si.promisedIntent = null; 3163 si.status = ShortcutInfo.DEFAULT; 3164 infoUpdated = true; 3165 si.updateIcon(mIconCache); 3166 } 3167 3168 if (appInfo != null && Intent.ACTION_MAIN.equals(si.intent.getAction()) 3169 && si.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 3170 si.updateIcon(mIconCache); 3171 si.title = Utilities.trim(appInfo.title); 3172 si.contentDescription = appInfo.contentDescription; 3173 infoUpdated = true; 3174 } 3175 3176 if ((si.isDisabled & ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE) != 0) { 3177 // Since package was just updated, the target must be available now. 3178 si.isDisabled &= ~ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 3179 shortcutUpdated = true; 3180 } 3181 } 3182 3183 if (infoUpdated || shortcutUpdated) { 3184 updatedShortcuts.add(si); 3185 } 3186 if (infoUpdated) { 3187 updateItemInDatabase(context, si); 3188 } 3189 } else if (info instanceof LauncherAppWidgetInfo) { 3190 LauncherAppWidgetInfo widgetInfo = (LauncherAppWidgetInfo) info; 3191 if (mUser.equals(widgetInfo.user) 3192 && widgetInfo.hasRestoreFlag(LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY) 3193 && packageSet.contains(widgetInfo.providerName.getPackageName())) { 3194 widgetInfo.restoreStatus &= 3195 ~LauncherAppWidgetInfo.FLAG_PROVIDER_NOT_READY & 3196 ~LauncherAppWidgetInfo.FLAG_RESTORE_STARTED; 3197 3198 // adding this flag ensures that launcher shows 'click to setup' 3199 // if the widget has a config activity. In case there is no config 3200 // activity, it will be marked as 'restored' during bind. 3201 widgetInfo.restoreStatus |= LauncherAppWidgetInfo.FLAG_UI_NOT_READY; 3202 3203 widgets.add(widgetInfo); 3204 updateItemInDatabase(context, widgetInfo); 3205 } 3206 } 3207 } 3208 } 3209 3210 if (!updatedShortcuts.isEmpty() || !removedShortcuts.isEmpty()) { 3211 mHandler.post(new Runnable() { 3212 3213 public void run() { 3214 Callbacks cb = getCallback(); 3215 if (callbacks == cb && cb != null) { 3216 callbacks.bindShortcutsChanged( 3217 updatedShortcuts, removedShortcuts, mUser); 3218 } 3219 } 3220 }); 3221 if (!removedShortcuts.isEmpty()) { 3222 deleteItemsFromDatabase(context, removedShortcuts); 3223 } 3224 } 3225 if (!widgets.isEmpty()) { 3226 mHandler.post(new Runnable() { 3227 public void run() { 3228 Callbacks cb = getCallback(); 3229 if (callbacks == cb && cb != null) { 3230 callbacks.bindWidgetsRestored(widgets); 3231 } 3232 } 3233 }); 3234 } 3235 } 3236 3237 final ArrayList<String> removedPackageNames = 3238 new ArrayList<String>(); 3239 if (mOp == OP_REMOVE || mOp == OP_UNAVAILABLE) { 3240 // Mark all packages in the broadcast to be removed 3241 removedPackageNames.addAll(Arrays.asList(packages)); 3242 } else if (mOp == OP_UPDATE) { 3243 // Mark disabled packages in the broadcast to be removed 3244 for (int i=0; i<N; i++) { 3245 if (isPackageDisabled(context, packages[i], mUser)) { 3246 removedPackageNames.add(packages[i]); 3247 } 3248 } 3249 } 3250 3251 if (!removedPackageNames.isEmpty() || !removedApps.isEmpty()) { 3252 final int removeReason; 3253 if (mOp == OP_UNAVAILABLE) { 3254 removeReason = ShortcutInfo.FLAG_DISABLED_NOT_AVAILABLE; 3255 } else { 3256 // Remove all the components associated with this package 3257 for (String pn : removedPackageNames) { 3258 deletePackageFromDatabase(context, pn, mUser); 3259 } 3260 // Remove all the specific components 3261 for (AppInfo a : removedApps) { 3262 ArrayList<ItemInfo> infos = getItemInfoForComponentName(a.componentName, mUser); 3263 deleteItemsFromDatabase(context, infos); 3264 } 3265 removeReason = 0; 3266 } 3267 3268 // Remove any queued items from the install queue 3269 InstallShortcutReceiver.removeFromInstallQueue(context, removedPackageNames, mUser); 3270 // Call the components-removed callback 3271 mHandler.post(new Runnable() { 3272 public void run() { 3273 Callbacks cb = getCallback(); 3274 if (callbacks == cb && cb != null) { 3275 callbacks.bindComponentsRemoved( 3276 removedPackageNames, removedApps, mUser, removeReason); 3277 } 3278 } 3279 }); 3280 } 3281 3282 // Update widgets 3283 if (mOp == OP_ADD || mOp == OP_REMOVE || mOp == OP_UPDATE) { 3284 // Always refresh for a package event on secondary user 3285 boolean needToRefresh = !mUser.equals(UserHandleCompat.myUserHandle()); 3286 3287 // Refresh widget list, if the package already had a widget. 3288 synchronized (sBgLock) { 3289 if (sBgWidgetProviders != null) { 3290 HashSet<String> pkgSet = new HashSet<>(); 3291 Collections.addAll(pkgSet, mPackages); 3292 3293 for (ComponentKey key : sBgWidgetProviders.keySet()) { 3294 needToRefresh |= key.user.equals(mUser) && 3295 pkgSet.contains(key.componentName.getPackageName()); 3296 } 3297 } 3298 } 3299 3300 if (!needToRefresh && mOp != OP_REMOVE) { 3301 // Refresh widget list, if there is any newly added widget 3302 PackageManager pm = context.getPackageManager(); 3303 for (String pkg : mPackages) { 3304 needToRefresh |= !pm.queryBroadcastReceivers( 3305 new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE) 3306 .setPackage(pkg), 0).isEmpty(); 3307 } 3308 } 3309 3310 loadAndBindWidgetsAndShortcuts(callbacks, needToRefresh); 3311 } 3312 3313 // Write all the logs to disk 3314 mHandler.post(new Runnable() { 3315 public void run() { 3316 Callbacks cb = getCallback(); 3317 if (callbacks == cb && cb != null) { 3318 callbacks.dumpLogsToLocalData(); 3319 } 3320 } 3321 }); 3322 } 3323 } 3324 3325 public static List<LauncherAppWidgetProviderInfo> getWidgetProviders(Context context, 3326 boolean refresh) { 3327 ArrayList<LauncherAppWidgetProviderInfo> results = 3328 new ArrayList<LauncherAppWidgetProviderInfo>(); 3329 try { 3330 synchronized (sBgLock) { 3331 if (sBgWidgetProviders == null || refresh) { 3332 HashMap<ComponentKey, LauncherAppWidgetProviderInfo> tmpWidgetProviders 3333 = new HashMap<>(); 3334 AppWidgetManagerCompat wm = AppWidgetManagerCompat.getInstance(context); 3335 LauncherAppWidgetProviderInfo info; 3336 3337 List<AppWidgetProviderInfo> widgets = wm.getAllProviders(); 3338 for (AppWidgetProviderInfo pInfo : widgets) { 3339 info = LauncherAppWidgetProviderInfo.fromProviderInfo(context, pInfo); 3340 UserHandleCompat user = wm.getUser(info); 3341 tmpWidgetProviders.put(new ComponentKey(info.provider, user), info); 3342 } 3343 3344 Collection<CustomAppWidget> customWidgets = Launcher.getCustomAppWidgets().values(); 3345 for (CustomAppWidget widget : customWidgets) { 3346 info = new LauncherAppWidgetProviderInfo(context, widget); 3347 UserHandleCompat user = wm.getUser(info); 3348 tmpWidgetProviders.put(new ComponentKey(info.provider, user), info); 3349 } 3350 // Replace the global list at the very end, so that if there is an exception, 3351 // previously loaded provider list is used. 3352 sBgWidgetProviders = tmpWidgetProviders; 3353 } 3354 results.addAll(sBgWidgetProviders.values()); 3355 return results; 3356 } 3357 } catch (Exception e) { 3358 if (e.getCause() instanceof TransactionTooLargeException) { 3359 // the returned value may be incomplete and will not be refreshed until the next 3360 // time Launcher starts. 3361 // TODO: after figuring out a repro step, introduce a dirty bit to check when 3362 // onResume is called to refresh the widget provider list. 3363 synchronized (sBgLock) { 3364 if (sBgWidgetProviders != null) { 3365 results.addAll(sBgWidgetProviders.values()); 3366 } 3367 return results; 3368 } 3369 } else { 3370 throw e; 3371 } 3372 } 3373 } 3374 3375 public static LauncherAppWidgetProviderInfo getProviderInfo(Context ctx, ComponentName name, 3376 UserHandleCompat user) { 3377 synchronized (sBgLock) { 3378 if (sBgWidgetProviders == null) { 3379 getWidgetProviders(ctx, false /* refresh */); 3380 } 3381 return sBgWidgetProviders.get(new ComponentKey(name, user)); 3382 } 3383 } 3384 3385 public void loadAndBindWidgetsAndShortcuts(final Callbacks callbacks, final boolean refresh) { 3386 3387 runOnWorkerThread(new Runnable() { 3388 @Override 3389 public void run() { 3390 updateWidgetsModel(refresh); 3391 final WidgetsModel model = mBgWidgetsModel.clone(); 3392 3393 mHandler.post(new Runnable() { 3394 @Override 3395 public void run() { 3396 Callbacks cb = getCallback(); 3397 if (callbacks == cb && cb != null) { 3398 callbacks.bindAllPackages(model); 3399 } 3400 } 3401 }); 3402 // update the Widget entries inside DB on the worker thread. 3403 LauncherAppState.getInstance().getWidgetCache().removeObsoletePreviews( 3404 model.getRawList()); 3405 } 3406 }); 3407 } 3408 3409 /** 3410 * Returns a list of ResolveInfos/AppWidgetInfos. 3411 * 3412 * @see #loadAndBindWidgetsAndShortcuts 3413 */ 3414 @Thunk void updateWidgetsModel(boolean refresh) { 3415 PackageManager packageManager = mApp.getContext().getPackageManager(); 3416 final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>(); 3417 widgetsAndShortcuts.addAll(getWidgetProviders(mApp.getContext(), refresh)); 3418 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 3419 widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0)); 3420 mBgWidgetsModel.setWidgetsAndShortcuts(widgetsAndShortcuts); 3421 } 3422 3423 @Thunk static boolean isPackageDisabled(Context context, String packageName, 3424 UserHandleCompat user) { 3425 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3426 return !launcherApps.isPackageEnabledForProfile(packageName, user); 3427 } 3428 3429 public static boolean isValidPackageActivity(Context context, ComponentName cn, 3430 UserHandleCompat user) { 3431 if (cn == null) { 3432 return false; 3433 } 3434 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3435 if (!launcherApps.isPackageEnabledForProfile(cn.getPackageName(), user)) { 3436 return false; 3437 } 3438 return launcherApps.isActivityEnabledForProfile(cn, user); 3439 } 3440 3441 public static boolean isValidPackage(Context context, String packageName, 3442 UserHandleCompat user) { 3443 if (packageName == null) { 3444 return false; 3445 } 3446 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 3447 return launcherApps.isPackageEnabledForProfile(packageName, user); 3448 } 3449 3450 /** 3451 * Make an ShortcutInfo object for a restored application or shortcut item that points 3452 * to a package that is not yet installed on the system. 3453 */ 3454 public ShortcutInfo getRestoredItemInfo(Cursor c, int titleIndex, Intent intent, 3455 int promiseType, int itemType, CursorIconInfo iconInfo, Context context) { 3456 final ShortcutInfo info = new ShortcutInfo(); 3457 info.user = UserHandleCompat.myUserHandle(); 3458 3459 Bitmap icon = iconInfo.loadIcon(c, info, context); 3460 // the fallback icon 3461 if (icon == null) { 3462 mIconCache.getTitleAndIcon(info, intent, info.user, false /* useLowResIcon */); 3463 } else { 3464 info.setIcon(icon); 3465 } 3466 3467 if ((promiseType & ShortcutInfo.FLAG_RESTORED_ICON) != 0) { 3468 String title = (c != null) ? c.getString(titleIndex) : null; 3469 if (!TextUtils.isEmpty(title)) { 3470 info.title = Utilities.trim(title); 3471 } 3472 } else if ((promiseType & ShortcutInfo.FLAG_AUTOINTALL_ICON) != 0) { 3473 if (TextUtils.isEmpty(info.title)) { 3474 info.title = (c != null) ? Utilities.trim(c.getString(titleIndex)) : ""; 3475 } 3476 } else { 3477 throw new InvalidParameterException("Invalid restoreType " + promiseType); 3478 } 3479 3480 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3481 info.itemType = itemType; 3482 info.promisedIntent = intent; 3483 info.status = promiseType; 3484 return info; 3485 } 3486 3487 /** 3488 * Make an Intent object for a restored application or shortcut item that points 3489 * to the market page for the item. 3490 */ 3491 @Thunk Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) { 3492 ComponentName componentName = intent.getComponent(); 3493 return getMarketIntent(componentName.getPackageName()); 3494 } 3495 3496 static Intent getMarketIntent(String packageName) { 3497 return new Intent(Intent.ACTION_VIEW) 3498 .setData(new Uri.Builder() 3499 .scheme("market") 3500 .authority("details") 3501 .appendQueryParameter("id", packageName) 3502 .build()); 3503 } 3504 3505 /** 3506 * Make an ShortcutInfo object for a shortcut that is an application. 3507 * 3508 * If c is not null, then it will be used to fill in missing data like the title and icon. 3509 */ 3510 public ShortcutInfo getAppShortcutInfo(PackageManager manager, Intent intent, 3511 UserHandleCompat user, Context context, Cursor c, int iconIndex, int titleIndex, 3512 boolean allowMissingTarget, boolean useLowResIcon) { 3513 if (user == null) { 3514 Log.d(TAG, "Null user found in getShortcutInfo"); 3515 return null; 3516 } 3517 3518 ComponentName componentName = intent.getComponent(); 3519 if (componentName == null) { 3520 Log.d(TAG, "Missing component found in getShortcutInfo: " + componentName); 3521 return null; 3522 } 3523 3524 Intent newIntent = new Intent(intent.getAction(), null); 3525 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 3526 newIntent.setComponent(componentName); 3527 LauncherActivityInfoCompat lai = mLauncherApps.resolveActivity(newIntent, user); 3528 if ((lai == null) && !allowMissingTarget) { 3529 Log.d(TAG, "Missing activity found in getShortcutInfo: " + componentName); 3530 return null; 3531 } 3532 3533 final ShortcutInfo info = new ShortcutInfo(); 3534 mIconCache.getTitleAndIcon(info, componentName, lai, user, false, useLowResIcon); 3535 if (mIconCache.isDefaultIcon(info.getIcon(mIconCache), user) && c != null) { 3536 Bitmap icon = Utilities.createIconBitmap(c, iconIndex, context); 3537 info.setIcon(icon == null ? mIconCache.getDefaultIcon(user) : icon); 3538 } 3539 3540 // from the db 3541 if (TextUtils.isEmpty(info.title) && c != null) { 3542 info.title = Utilities.trim(c.getString(titleIndex)); 3543 } 3544 3545 // fall back to the class name of the activity 3546 if (info.title == null) { 3547 info.title = componentName.getClassName(); 3548 } 3549 3550 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 3551 info.user = user; 3552 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3553 if (lai != null) { 3554 info.flags = AppInfo.initFlags(lai); 3555 } 3556 return info; 3557 } 3558 3559 static ArrayList<ItemInfo> filterItemInfos(Iterable<ItemInfo> infos, 3560 ItemInfoFilter f) { 3561 HashSet<ItemInfo> filtered = new HashSet<ItemInfo>(); 3562 for (ItemInfo i : infos) { 3563 if (i instanceof ShortcutInfo) { 3564 ShortcutInfo info = (ShortcutInfo) i; 3565 ComponentName cn = info.getTargetComponent(); 3566 if (cn != null && f.filterItem(null, info, cn)) { 3567 filtered.add(info); 3568 } 3569 } else if (i instanceof FolderInfo) { 3570 FolderInfo info = (FolderInfo) i; 3571 for (ShortcutInfo s : info.contents) { 3572 ComponentName cn = s.getTargetComponent(); 3573 if (cn != null && f.filterItem(info, s, cn)) { 3574 filtered.add(s); 3575 } 3576 } 3577 } else if (i instanceof LauncherAppWidgetInfo) { 3578 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; 3579 ComponentName cn = info.providerName; 3580 if (cn != null && f.filterItem(null, info, cn)) { 3581 filtered.add(info); 3582 } 3583 } 3584 } 3585 return new ArrayList<ItemInfo>(filtered); 3586 } 3587 3588 @Thunk ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname, 3589 final UserHandleCompat user) { 3590 ItemInfoFilter filter = new ItemInfoFilter() { 3591 @Override 3592 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 3593 if (info.user == null) { 3594 return cn.equals(cname); 3595 } else { 3596 return cn.equals(cname) && info.user.equals(user); 3597 } 3598 } 3599 }; 3600 return filterItemInfos(sBgItemsIdMap, filter); 3601 } 3602 3603 /** 3604 * Make an ShortcutInfo object for a shortcut that isn't an application. 3605 */ 3606 @Thunk ShortcutInfo getShortcutInfo(Cursor c, Context context, 3607 int titleIndex, CursorIconInfo iconInfo) { 3608 final ShortcutInfo info = new ShortcutInfo(); 3609 // Non-app shortcuts are only supported for current user. 3610 info.user = UserHandleCompat.myUserHandle(); 3611 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 3612 3613 // TODO: If there's an explicit component and we can't install that, delete it. 3614 3615 info.title = Utilities.trim(c.getString(titleIndex)); 3616 3617 Bitmap icon = iconInfo.loadIcon(c, info, context); 3618 // the fallback icon 3619 if (icon == null) { 3620 icon = mIconCache.getDefaultIcon(info.user); 3621 info.usingFallbackIcon = true; 3622 } 3623 info.setIcon(icon); 3624 return info; 3625 } 3626 3627 ShortcutInfo infoFromShortcutIntent(Context context, Intent data) { 3628 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 3629 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 3630 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 3631 3632 if (intent == null) { 3633 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 3634 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 3635 return null; 3636 } 3637 3638 Bitmap icon = null; 3639 boolean customIcon = false; 3640 ShortcutIconResource iconResource = null; 3641 3642 if (bitmap instanceof Bitmap) { 3643 icon = Utilities.createIconBitmap((Bitmap) bitmap, context); 3644 customIcon = true; 3645 } else { 3646 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 3647 if (extra instanceof ShortcutIconResource) { 3648 iconResource = (ShortcutIconResource) extra; 3649 icon = Utilities.createIconBitmap(iconResource.packageName, 3650 iconResource.resourceName, context); 3651 } 3652 } 3653 3654 final ShortcutInfo info = new ShortcutInfo(); 3655 3656 // Only support intents for current user for now. Intents sent from other 3657 // users wouldn't get here without intent forwarding anyway. 3658 info.user = UserHandleCompat.myUserHandle(); 3659 if (icon == null) { 3660 icon = mIconCache.getDefaultIcon(info.user); 3661 info.usingFallbackIcon = true; 3662 } 3663 info.setIcon(icon); 3664 3665 info.title = Utilities.trim(name); 3666 info.contentDescription = mUserManager.getBadgedLabelForUser(info.title, info.user); 3667 info.intent = intent; 3668 info.customIcon = customIcon; 3669 info.iconResource = iconResource; 3670 3671 return info; 3672 } 3673 3674 /** 3675 * Return an existing FolderInfo object if we have encountered this ID previously, 3676 * or make a new one. 3677 */ 3678 @Thunk static FolderInfo findOrMakeFolder(LongArrayMap<FolderInfo> folders, long id) { 3679 // See if a placeholder was created for us already 3680 FolderInfo folderInfo = folders.get(id); 3681 if (folderInfo == null) { 3682 // No placeholder -- create a new instance 3683 folderInfo = new FolderInfo(); 3684 folders.put(id, folderInfo); 3685 } 3686 return folderInfo; 3687 } 3688 3689 3690 static boolean isValidProvider(AppWidgetProviderInfo provider) { 3691 return (provider != null) && (provider.provider != null) 3692 && (provider.provider.getPackageName() != null); 3693 } 3694 3695 public void dumpState() { 3696 Log.d(TAG, "mCallbacks=" + mCallbacks); 3697 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 3698 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 3699 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 3700 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 3701 if (mLoaderTask != null) { 3702 mLoaderTask.dumpState(); 3703 } else { 3704 Log.d(TAG, "mLoaderTask=null"); 3705 } 3706 } 3707 3708 public Callbacks getCallback() { 3709 return mCallbacks != null ? mCallbacks.get() : null; 3710 } 3711 3712 /** 3713 * @return {@link FolderInfo} if its already loaded. 3714 */ 3715 public FolderInfo findFolderById(Long folderId) { 3716 synchronized (sBgLock) { 3717 return sBgFolders.get(folderId); 3718 } 3719 } 3720 3721 /** 3722 * @return the looper for the worker thread which can be used to start background tasks. 3723 */ 3724 public static Looper getWorkerLooper() { 3725 return sWorkerThread.getLooper(); 3726 } 3727} 3728