LauncherModel.java revision 0e584b5802823091ef47dc165af5afbbe2c0ae42
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.*; 23import android.content.Intent.ShortcutIconResource; 24import android.content.pm.ActivityInfo; 25import android.content.pm.PackageInfo; 26import android.content.pm.PackageManager; 27import android.content.pm.PackageManager.NameNotFoundException; 28import android.content.pm.ResolveInfo; 29import android.content.res.Configuration; 30import android.content.res.Resources; 31import android.database.Cursor; 32import android.graphics.Bitmap; 33import android.graphics.BitmapFactory; 34import android.net.Uri; 35import android.os.Environment; 36import android.os.Handler; 37import android.os.HandlerThread; 38import android.os.Parcelable; 39import android.os.Process; 40import android.os.RemoteException; 41import android.os.SystemClock; 42import android.provider.BaseColumns; 43import android.text.TextUtils; 44import android.util.Log; 45import android.util.Pair; 46 47import com.android.launcher3.compat.LauncherActivityInfoCompat; 48import com.android.launcher3.compat.LauncherAppsCompat; 49import com.android.launcher3.compat.UserHandleCompat; 50import com.android.launcher3.compat.UserManagerCompat; 51import com.android.launcher3.InstallWidgetReceiver.WidgetMimeTypeHandlerData; 52 53import java.lang.ref.WeakReference; 54import java.net.URISyntaxException; 55import java.text.Collator; 56import java.util.ArrayList; 57import java.util.Arrays; 58import java.util.Collection; 59import java.util.Collections; 60import java.util.Comparator; 61import java.util.HashMap; 62import java.util.HashSet; 63import java.util.Iterator; 64import java.util.List; 65import java.util.Set; 66import java.util.TreeMap; 67import java.util.concurrent.atomic.AtomicBoolean; 68 69/** 70 * Maintains in-memory state of the Launcher. It is expected that there should be only one 71 * LauncherModel object held in a static. Also provide APIs for updating the database state 72 * for the Launcher. 73 */ 74public class LauncherModel extends BroadcastReceiver 75 implements LauncherAppsCompat.OnAppsChangedListenerCompat { 76 static final boolean DEBUG_LOADERS = false; 77 private static final boolean DEBUG_RECEIVER = true; // STOPSHIP(cwren) temporary for debugging 78 79 static final String TAG = "Launcher.Model"; 80 81 // true = use a "More Apps" folder for non-workspace apps on upgrade 82 // false = strew non-workspace apps across the workspace on upgrade 83 public static final boolean UPGRADE_USE_MORE_APPS_FOLDER = false; 84 public static final int LOADER_FLAG_NONE = 0; 85 public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0; 86 public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1; 87 88 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 89 private static final long INVALID_SCREEN_ID = -1L; 90 91 private final boolean mAppsCanBeOnRemoveableStorage; 92 private final boolean mOldContentProviderExists; 93 94 private final LauncherAppState mApp; 95 private final Object mLock = new Object(); 96 private DeferredHandler mHandler = new DeferredHandler(); 97 private LoaderTask mLoaderTask; 98 private boolean mIsLoaderTaskRunning; 99 private volatile boolean mFlushingWorkerThread; 100 101 // Specific runnable types that are run on the main thread deferred handler, this allows us to 102 // clear all queued binding runnables when the Launcher activity is destroyed. 103 private static final int MAIN_THREAD_NORMAL_RUNNABLE = 0; 104 private static final int MAIN_THREAD_BINDING_RUNNABLE = 1; 105 106 107 private static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 108 static { 109 sWorkerThread.start(); 110 } 111 private static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 112 113 // We start off with everything not loaded. After that, we assume that 114 // our monitoring of the package manager provides all updates and we never 115 // need to do a requery. These are only ever touched from the loader thread. 116 private boolean mWorkspaceLoaded; 117 private boolean mAllAppsLoaded; 118 119 // When we are loading pages synchronously, we can't just post the binding of items on the side 120 // pages as this delays the rotation process. Instead, we wait for a callback from the first 121 // draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start 122 // a normal load, we also clear this set of Runnables. 123 static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>(); 124 125 private WeakReference<Callbacks> mCallbacks; 126 127 // < only access in worker thread > 128 AllAppsList mBgAllAppsList; 129 130 // The lock that must be acquired before referencing any static bg data structures. Unlike 131 // other locks, this one can generally be held long-term because we never expect any of these 132 // static data structures to be referenced outside of the worker thread except on the first 133 // load after configuration change. 134 static final Object sBgLock = new Object(); 135 136 // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 137 // LauncherModel to their ids 138 static final HashMap<Long, ItemInfo> sBgItemsIdMap = new HashMap<Long, ItemInfo>(); 139 140 // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts 141 // created by LauncherModel that are directly on the home screen (however, no widgets or 142 // shortcuts within folders). 143 static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>(); 144 145 // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 146 static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets = 147 new ArrayList<LauncherAppWidgetInfo>(); 148 149 // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 150 static final HashMap<Long, FolderInfo> sBgFolders = new HashMap<Long, FolderInfo>(); 151 152 // sBgDbIconCache is the set of ItemInfos that need to have their icons updated in the database 153 static final HashMap<Object, byte[]> sBgDbIconCache = new HashMap<Object, byte[]>(); 154 155 // sBgWorkspaceScreens is the ordered set of workspace screens. 156 static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>(); 157 158 // </ only access in worker thread > 159 160 private IconCache mIconCache; 161 162 protected int mPreviousConfigMcc; 163 164 private final LauncherAppsCompat mLauncherApps; 165 private final UserManagerCompat mUserManager; 166 167 public interface Callbacks { 168 public boolean setLoadOnResume(); 169 public int getCurrentWorkspaceScreen(); 170 public void startBinding(); 171 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end, 172 boolean forceAnimateIcons); 173 public void bindScreens(ArrayList<Long> orderedScreenIds); 174 public void bindAddScreens(ArrayList<Long> orderedScreenIds); 175 public void bindFolders(HashMap<Long,FolderInfo> folders); 176 public void finishBindingItems(boolean upgradePath); 177 public void bindAppWidget(LauncherAppWidgetInfo info); 178 public void bindAllApplications(ArrayList<AppInfo> apps); 179 public void bindAppsAdded(ArrayList<Long> newScreens, 180 ArrayList<ItemInfo> addNotAnimated, 181 ArrayList<ItemInfo> addAnimated, 182 ArrayList<AppInfo> addedApps); 183 public void bindAppsUpdated(ArrayList<AppInfo> apps); 184 public void updatePackageState(String pkgName, int state); 185 public void bindComponentsRemoved(ArrayList<String> packageNames, 186 ArrayList<AppInfo> appInfos, UserHandleCompat user); 187 public void bindPackagesUpdated(ArrayList<Object> widgetsAndShortcuts); 188 public void bindSearchablesChanged(); 189 public boolean isAllAppsButtonRank(int rank); 190 public void onPageBoundSynchronously(int page); 191 public void dumpLogsToLocalData(); 192 } 193 194 public interface ItemInfoFilter { 195 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn); 196 } 197 198 LauncherModel(LauncherAppState app, IconCache iconCache, AppFilter appFilter) { 199 Context context = app.getContext(); 200 ContentResolver contentResolver = context.getContentResolver(); 201 202 mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable(); 203 ContentProviderClient client = contentResolver.acquireContentProviderClient( 204 Uri.parse(context.getString(R.string.old_launcher_provider_uri))); 205 mOldContentProviderExists = (client != null); 206 if (client != null) { 207 client.release(); 208 } 209 mApp = app; 210 mBgAllAppsList = new AllAppsList(iconCache, appFilter); 211 mIconCache = iconCache; 212 213 final Resources res = context.getResources(); 214 Configuration config = res.getConfiguration(); 215 mPreviousConfigMcc = config.mcc; 216 mLauncherApps = LauncherAppsCompat.getInstance(context); 217 mUserManager = UserManagerCompat.getInstance(context); 218 } 219 220 /** Runs the specified runnable immediately if called from the main thread, otherwise it is 221 * posted on the main thread handler. */ 222 private void runOnMainThread(Runnable r) { 223 runOnMainThread(r, 0); 224 } 225 private void runOnMainThread(Runnable r, int type) { 226 if (sWorkerThread.getThreadId() == Process.myTid()) { 227 // If we are on the worker thread, post onto the main handler 228 mHandler.post(r); 229 } else { 230 r.run(); 231 } 232 } 233 234 /** Runs the specified runnable immediately if called from the worker thread, otherwise it is 235 * posted on the worker thread handler. */ 236 private static void runOnWorkerThread(Runnable r) { 237 if (sWorkerThread.getThreadId() == Process.myTid()) { 238 r.run(); 239 } else { 240 // If we are not on the worker thread, then post to the worker handler 241 sWorker.post(r); 242 } 243 } 244 245 boolean canMigrateFromOldLauncherDb(Launcher launcher) { 246 return mOldContentProviderExists && !launcher.isLauncherPreinstalled() ; 247 } 248 249 static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> items, int[] xy, 250 long screen) { 251 LauncherAppState app = LauncherAppState.getInstance(); 252 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 253 final int xCount = (int) grid.numColumns; 254 final int yCount = (int) grid.numRows; 255 boolean[][] occupied = new boolean[xCount][yCount]; 256 257 int cellX, cellY, spanX, spanY; 258 for (int i = 0; i < items.size(); ++i) { 259 final ItemInfo item = items.get(i); 260 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 261 if (item.screenId == screen) { 262 cellX = item.cellX; 263 cellY = item.cellY; 264 spanX = item.spanX; 265 spanY = item.spanY; 266 for (int x = cellX; 0 <= x && x < cellX + spanX && x < xCount; x++) { 267 for (int y = cellY; 0 <= y && y < cellY + spanY && y < yCount; y++) { 268 occupied[x][y] = true; 269 } 270 } 271 } 272 } 273 } 274 275 return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied); 276 } 277 static Pair<Long, int[]> findNextAvailableIconSpace(Context context, String name, 278 Intent launchIntent, 279 int firstScreenIndex, 280 ArrayList<Long> workspaceScreens) { 281 // Lock on the app so that we don't try and get the items while apps are being added 282 LauncherAppState app = LauncherAppState.getInstance(); 283 LauncherModel model = app.getModel(); 284 boolean found = false; 285 synchronized (app) { 286 if (sWorkerThread.getThreadId() != Process.myTid()) { 287 // Flush the LauncherModel worker thread, so that if we just did another 288 // processInstallShortcut, we give it time for its shortcut to get added to the 289 // database (getItemsInLocalCoordinates reads the database) 290 model.flushWorkerThread(); 291 } 292 final ArrayList<ItemInfo> items = LauncherModel.getItemsInLocalCoordinates(context); 293 294 // Try adding to the workspace screens incrementally, starting at the default or center 295 // screen and alternating between +1, -1, +2, -2, etc. (using ~ ceil(i/2f)*(-1)^(i-1)) 296 firstScreenIndex = Math.min(firstScreenIndex, workspaceScreens.size()); 297 int count = workspaceScreens.size(); 298 for (int screen = firstScreenIndex; screen < count && !found; screen++) { 299 int[] tmpCoordinates = new int[2]; 300 if (findNextAvailableIconSpaceInScreen(items, tmpCoordinates, 301 workspaceScreens.get(screen))) { 302 // Update the Launcher db 303 return new Pair<Long, int[]>(workspaceScreens.get(screen), tmpCoordinates); 304 } 305 } 306 } 307 return null; 308 } 309 310 public void setPackageState(final String pkgName, final int state) { 311 // Process the updated package state 312 Runnable r = new Runnable() { 313 public void run() { 314 Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 315 if (callbacks != null) { 316 callbacks.updatePackageState(pkgName, state); 317 } 318 } 319 }; 320 mHandler.post(r); 321 } 322 323 public void addAppsToAllApps(final Context ctx, final ArrayList<AppInfo> allAppsApps) { 324 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 325 326 if (allAppsApps == null) { 327 throw new RuntimeException("allAppsApps must not be null"); 328 } 329 if (allAppsApps.isEmpty()) { 330 return; 331 } 332 333 final ArrayList<AppInfo> restoredAppsFinal = new ArrayList<AppInfo>(); 334 Iterator<AppInfo> iter = allAppsApps.iterator(); 335 while (iter.hasNext()) { 336 ItemInfo a = iter.next(); 337 if (LauncherModel.appWasRestored(ctx, a.getIntent(), a.user)) { 338 restoredAppsFinal.add((AppInfo) a); 339 } 340 } 341 342 // Process the newly added applications and add them to the database first 343 Runnable r = new Runnable() { 344 public void run() { 345 runOnMainThread(new Runnable() { 346 public void run() { 347 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 348 if (callbacks == cb && cb != null) { 349 if (!restoredAppsFinal.isEmpty()) { 350 for (AppInfo info : restoredAppsFinal) { 351 final Intent intent = info.getIntent(); 352 if (intent != null) { 353 mIconCache.deletePreloadedIcon(intent.getComponent(), 354 info.user); 355 } 356 } 357 callbacks.bindAppsUpdated(restoredAppsFinal); 358 } 359 callbacks.bindAppsAdded(null, null, null, allAppsApps); 360 } 361 } 362 }); 363 } 364 }; 365 runOnWorkerThread(r); 366 } 367 368 public void addAndBindAddedWorkspaceApps(final Context context, 369 final ArrayList<ItemInfo> workspaceApps) { 370 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 371 372 if (workspaceApps == null) { 373 throw new RuntimeException("workspaceApps and allAppsApps must not be null"); 374 } 375 if (workspaceApps.isEmpty()) { 376 return; 377 } 378 // Process the newly added applications and add them to the database first 379 Runnable r = new Runnable() { 380 public void run() { 381 final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>(); 382 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>(); 383 final ArrayList<AppInfo> restoredAppsFinal = new ArrayList<AppInfo>(); 384 385 // Get the list of workspace screens. We need to append to this list and 386 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been 387 // called. 388 ArrayList<Long> workspaceScreens = new ArrayList<Long>(); 389 TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(context); 390 for (Integer i : orderedScreens.keySet()) { 391 long screenId = orderedScreens.get(i); 392 workspaceScreens.add(screenId); 393 } 394 395 synchronized(sBgLock) { 396 Iterator<ItemInfo> iter = workspaceApps.iterator(); 397 while (iter.hasNext()) { 398 ItemInfo a = iter.next(); 399 final String name = a.title.toString(); 400 final Intent launchIntent = a.getIntent(); 401 402 // Short-circuit this logic if the icon exists somewhere on the workspace 403 if (LauncherModel.shortcutExists(context, name, launchIntent)) { 404 // Only InstallShortcutReceiver sends us shortcutInfos, ignore them 405 if (a instanceof AppInfo && 406 LauncherModel.appWasRestored(context, launchIntent, a.user)) { 407 restoredAppsFinal.add((AppInfo) a); 408 } 409 continue; 410 } 411 412 // Add this icon to the db, creating a new page if necessary. If there 413 // is only the empty page then we just add items to the first page. 414 // Otherwise, we add them to the next pages. 415 int startSearchPageIndex = workspaceScreens.isEmpty() ? 0 : 1; 416 Pair<Long, int[]> coords = LauncherModel.findNextAvailableIconSpace(context, 417 name, launchIntent, startSearchPageIndex, workspaceScreens); 418 if (coords == null) { 419 LauncherProvider lp = LauncherAppState.getLauncherProvider(); 420 421 // If we can't find a valid position, then just add a new screen. 422 // This takes time so we need to re-queue the add until the new 423 // page is added. Create as many screens as necessary to satisfy 424 // the startSearchPageIndex. 425 int numPagesToAdd = Math.max(1, startSearchPageIndex + 1 - 426 workspaceScreens.size()); 427 while (numPagesToAdd > 0) { 428 long screenId = lp.generateNewScreenId(); 429 // Save the screen id for binding in the workspace 430 workspaceScreens.add(screenId); 431 addedWorkspaceScreensFinal.add(screenId); 432 numPagesToAdd--; 433 } 434 435 // Find the coordinate again 436 coords = LauncherModel.findNextAvailableIconSpace(context, 437 name, launchIntent, startSearchPageIndex, workspaceScreens); 438 } 439 if (coords == null) { 440 throw new RuntimeException("Coordinates should not be null"); 441 } 442 443 ShortcutInfo shortcutInfo; 444 if (a instanceof ShortcutInfo) { 445 shortcutInfo = (ShortcutInfo) a; 446 } else if (a instanceof AppInfo) { 447 shortcutInfo = ((AppInfo) a).makeShortcut(); 448 } else { 449 throw new RuntimeException("Unexpected info type"); 450 } 451 452 // Add the shortcut to the db 453 addItemToDatabase(context, shortcutInfo, 454 LauncherSettings.Favorites.CONTAINER_DESKTOP, 455 coords.first, coords.second[0], coords.second[1], false); 456 // Save the ShortcutInfo for binding in the workspace 457 addedShortcutsFinal.add(shortcutInfo); 458 } 459 } 460 461 // Update the workspace screens 462 updateWorkspaceScreenOrder(context, workspaceScreens); 463 464 if (!addedShortcutsFinal.isEmpty()) { 465 runOnMainThread(new Runnable() { 466 public void run() { 467 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 468 if (callbacks == cb && cb != null) { 469 final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>(); 470 final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>(); 471 if (!addedShortcutsFinal.isEmpty()) { 472 ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1); 473 long lastScreenId = info.screenId; 474 for (ItemInfo i : addedShortcutsFinal) { 475 if (i.screenId == lastScreenId) { 476 addAnimated.add(i); 477 } else { 478 addNotAnimated.add(i); 479 } 480 } 481 } 482 callbacks.bindAppsAdded(addedWorkspaceScreensFinal, 483 addNotAnimated, addAnimated, null); 484 if (!restoredAppsFinal.isEmpty()) { 485 callbacks.bindAppsUpdated(restoredAppsFinal); 486 } 487 } 488 } 489 }); 490 } 491 } 492 }; 493 runOnWorkerThread(r); 494 } 495 496 public void unbindItemInfosAndClearQueuedBindRunnables() { 497 if (sWorkerThread.getThreadId() == Process.myTid()) { 498 throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + 499 "main thread"); 500 } 501 502 // Clear any deferred bind runnables 503 synchronized (mDeferredBindRunnables) { 504 mDeferredBindRunnables.clear(); 505 } 506 // Remove any queued bind runnables 507 mHandler.cancelAllRunnablesOfType(MAIN_THREAD_BINDING_RUNNABLE); 508 // Unbind all the workspace items 509 unbindWorkspaceItemsOnMainThread(); 510 } 511 512 /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ 513 void unbindWorkspaceItemsOnMainThread() { 514 // Ensure that we don't use the same workspace items data structure on the main thread 515 // by making a copy of workspace items first. 516 final ArrayList<ItemInfo> tmpWorkspaceItems = new ArrayList<ItemInfo>(); 517 final ArrayList<ItemInfo> tmpAppWidgets = new ArrayList<ItemInfo>(); 518 synchronized (sBgLock) { 519 tmpWorkspaceItems.addAll(sBgWorkspaceItems); 520 tmpAppWidgets.addAll(sBgAppWidgets); 521 } 522 Runnable r = new Runnable() { 523 @Override 524 public void run() { 525 for (ItemInfo item : tmpWorkspaceItems) { 526 item.unbind(); 527 } 528 for (ItemInfo item : tmpAppWidgets) { 529 item.unbind(); 530 } 531 } 532 }; 533 runOnMainThread(r); 534 } 535 536 /** 537 * Adds an item to the DB if it was not created previously, or move it to a new 538 * <container, screen, cellX, cellY> 539 */ 540 static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 541 long screenId, int cellX, int cellY) { 542 if (item.container == ItemInfo.NO_ID) { 543 // From all apps 544 addItemToDatabase(context, item, container, screenId, cellX, cellY, false); 545 } else { 546 // From somewhere else 547 moveItemInDatabase(context, item, container, screenId, cellX, cellY); 548 } 549 } 550 551 static void checkItemInfoLocked( 552 final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) { 553 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 554 if (modelItem != null && item != modelItem) { 555 // check all the data is consistent 556 if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) { 557 ShortcutInfo modelShortcut = (ShortcutInfo) modelItem; 558 ShortcutInfo shortcut = (ShortcutInfo) item; 559 if (modelShortcut.title.toString().equals(shortcut.title.toString()) && 560 modelShortcut.intent.filterEquals(shortcut.intent) && 561 modelShortcut.id == shortcut.id && 562 modelShortcut.itemType == shortcut.itemType && 563 modelShortcut.container == shortcut.container && 564 modelShortcut.screenId == shortcut.screenId && 565 modelShortcut.cellX == shortcut.cellX && 566 modelShortcut.cellY == shortcut.cellY && 567 modelShortcut.spanX == shortcut.spanX && 568 modelShortcut.spanY == shortcut.spanY && 569 ((modelShortcut.dropPos == null && shortcut.dropPos == null) || 570 (modelShortcut.dropPos != null && 571 shortcut.dropPos != null && 572 modelShortcut.dropPos[0] == shortcut.dropPos[0] && 573 modelShortcut.dropPos[1] == shortcut.dropPos[1]))) { 574 // For all intents and purposes, this is the same object 575 return; 576 } 577 } 578 579 // the modelItem needs to match up perfectly with item if our model is 580 // to be consistent with the database-- for now, just require 581 // modelItem == item or the equality check above 582 String msg = "item: " + ((item != null) ? item.toString() : "null") + 583 "modelItem: " + 584 ((modelItem != null) ? modelItem.toString() : "null") + 585 "Error: ItemInfo passed to checkItemInfo doesn't match original"; 586 RuntimeException e = new RuntimeException(msg); 587 if (stackTrace != null) { 588 e.setStackTrace(stackTrace); 589 } 590 throw e; 591 } 592 } 593 594 static void checkItemInfo(final ItemInfo item) { 595 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 596 final long itemId = item.id; 597 Runnable r = new Runnable() { 598 public void run() { 599 synchronized (sBgLock) { 600 checkItemInfoLocked(itemId, item, stackTrace); 601 } 602 } 603 }; 604 runOnWorkerThread(r); 605 } 606 607 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 608 final ItemInfo item, final String callingFunction) { 609 final long itemId = item.id; 610 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId, false); 611 final ContentResolver cr = context.getContentResolver(); 612 613 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 614 Runnable r = new Runnable() { 615 public void run() { 616 cr.update(uri, values, null, null); 617 updateItemArrays(item, itemId, stackTrace); 618 } 619 }; 620 runOnWorkerThread(r); 621 } 622 623 static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList, 624 final ArrayList<ItemInfo> items, final String callingFunction) { 625 final ContentResolver cr = context.getContentResolver(); 626 627 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 628 Runnable r = new Runnable() { 629 public void run() { 630 ArrayList<ContentProviderOperation> ops = 631 new ArrayList<ContentProviderOperation>(); 632 int count = items.size(); 633 for (int i = 0; i < count; i++) { 634 ItemInfo item = items.get(i); 635 final long itemId = item.id; 636 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId, false); 637 ContentValues values = valuesList.get(i); 638 639 ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build()); 640 updateItemArrays(item, itemId, stackTrace); 641 642 } 643 try { 644 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 645 } catch (Exception e) { 646 e.printStackTrace(); 647 } 648 } 649 }; 650 runOnWorkerThread(r); 651 } 652 653 static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) { 654 // Lock on mBgLock *after* the db operation 655 synchronized (sBgLock) { 656 checkItemInfoLocked(itemId, item, stackTrace); 657 658 if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 659 item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 660 // Item is in a folder, make sure this folder exists 661 if (!sBgFolders.containsKey(item.container)) { 662 // An items container is being set to a that of an item which is not in 663 // the list of Folders. 664 String msg = "item: " + item + " container being set to: " + 665 item.container + ", not in the list of folders"; 666 Log.e(TAG, msg); 667 } 668 } 669 670 // Items are added/removed from the corresponding FolderInfo elsewhere, such 671 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 672 // that are on the desktop, as appropriate 673 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 674 if (modelItem != null && 675 (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 676 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { 677 switch (modelItem.itemType) { 678 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 679 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 680 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 681 if (!sBgWorkspaceItems.contains(modelItem)) { 682 sBgWorkspaceItems.add(modelItem); 683 } 684 break; 685 default: 686 break; 687 } 688 } else { 689 sBgWorkspaceItems.remove(modelItem); 690 } 691 } 692 } 693 694 public void flushWorkerThread() { 695 mFlushingWorkerThread = true; 696 Runnable waiter = new Runnable() { 697 public void run() { 698 synchronized (this) { 699 notifyAll(); 700 mFlushingWorkerThread = false; 701 } 702 } 703 }; 704 705 synchronized(waiter) { 706 runOnWorkerThread(waiter); 707 if (mLoaderTask != null) { 708 synchronized(mLoaderTask) { 709 mLoaderTask.notify(); 710 } 711 } 712 boolean success = false; 713 while (!success) { 714 try { 715 waiter.wait(); 716 success = true; 717 } catch (InterruptedException e) { 718 } 719 } 720 } 721 } 722 723 /** 724 * Move an item in the DB to a new <container, screen, cellX, cellY> 725 */ 726 static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 727 final long screenId, final int cellX, final int cellY) { 728 item.container = container; 729 item.cellX = cellX; 730 item.cellY = cellY; 731 732 // We store hotseat items in canonical form which is this orientation invariant position 733 // in the hotseat 734 if (context instanceof Launcher && screenId < 0 && 735 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 736 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 737 } else { 738 item.screenId = screenId; 739 } 740 741 final ContentValues values = new ContentValues(); 742 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 743 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 744 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 745 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 746 747 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 748 } 749 750 /** 751 * Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the 752 * cellX, cellY have already been updated on the ItemInfos. 753 */ 754 static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items, 755 final long container, final int screen) { 756 757 ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>(); 758 int count = items.size(); 759 760 for (int i = 0; i < count; i++) { 761 ItemInfo item = items.get(i); 762 item.container = container; 763 764 // We store hotseat items in canonical form which is this orientation invariant position 765 // in the hotseat 766 if (context instanceof Launcher && screen < 0 && 767 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 768 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX, 769 item.cellY); 770 } else { 771 item.screenId = screen; 772 } 773 774 final ContentValues values = new ContentValues(); 775 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 776 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 777 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 778 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 779 780 contentValues.add(values); 781 } 782 updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase"); 783 } 784 785 /** 786 * Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY> 787 */ 788 static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, 789 final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) { 790 item.container = container; 791 item.cellX = cellX; 792 item.cellY = cellY; 793 item.spanX = spanX; 794 item.spanY = spanY; 795 796 // We store hotseat items in canonical form which is this orientation invariant position 797 // in the hotseat 798 if (context instanceof Launcher && screenId < 0 && 799 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 800 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 801 } else { 802 item.screenId = screenId; 803 } 804 805 final ContentValues values = new ContentValues(); 806 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 807 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 808 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 809 values.put(LauncherSettings.Favorites.SPANX, item.spanX); 810 values.put(LauncherSettings.Favorites.SPANY, item.spanY); 811 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 812 813 updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); 814 } 815 816 /** 817 * Update an item to the database in a specified container. 818 */ 819 static void updateItemInDatabase(Context context, final ItemInfo item) { 820 final ContentValues values = new ContentValues(); 821 item.onAddToDatabase(context, values); 822 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 823 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 824 } 825 826 /** 827 * Returns true if the shortcuts already exists in the database. 828 * we identify a shortcut by its title and intent. 829 */ 830 static boolean shortcutExists(Context context, String title, Intent intent) { 831 final ContentResolver cr = context.getContentResolver(); 832 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, 833 new String[] { "title", "intent" }, "title=? and intent=?", 834 new String[] { title, intent.toUri(0) }, null); 835 boolean result = false; 836 try { 837 result = c.moveToFirst(); 838 } finally { 839 c.close(); 840 } 841 return result; 842 } 843 844 /** 845 * Returns true if the shortcuts already exists in the database. 846 * we identify a shortcut by the component name of the intent 847 * and the user. 848 */ 849 static boolean appWasRestored(Context context, Intent intent, UserHandleCompat user) { 850 final ContentResolver cr = context.getContentResolver(); 851 final ComponentName component = intent.getComponent(); 852 if (component == null) { 853 return false; 854 } 855 String componentName = component.flattenToString(); 856 String shortName = component.flattenToShortString(); 857 long serialNumber = UserManagerCompat.getInstance(context) 858 .getSerialNumberForUser(user); 859 final String where = "(intent glob \"*component=" + componentName + "*\" or " + 860 "intent glob \"*component=" + shortName + "*\")" + 861 "and restored = 1 and profileId = " + serialNumber; 862 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, 863 new String[]{"intent", "restored", "profileId"}, where, null, null); 864 boolean result = false; 865 try { 866 result = c.moveToFirst(); 867 } finally { 868 c.close(); 869 } 870 Log.d(TAG, "shortcutWasRestored is " + result + " for " + componentName); 871 return result; 872 } 873 874 /** 875 * Returns an ItemInfo array containing all the items in the LauncherModel. 876 * The ItemInfo.id is not set through this function. 877 */ 878 static ArrayList<ItemInfo> getItemsInLocalCoordinates(Context context) { 879 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 880 final ContentResolver cr = context.getContentResolver(); 881 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, new String[] { 882 LauncherSettings.Favorites.ITEM_TYPE, LauncherSettings.Favorites.CONTAINER, 883 LauncherSettings.Favorites.SCREEN, 884 LauncherSettings.Favorites.CELLX, LauncherSettings.Favorites.CELLY, 885 LauncherSettings.Favorites.SPANX, LauncherSettings.Favorites.SPANY, 886 LauncherSettings.Favorites.PROFILE_ID }, null, null, null); 887 888 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 889 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 890 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 891 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 892 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 893 final int spanXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANX); 894 final int spanYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANY); 895 final int profileIdIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.PROFILE_ID); 896 UserManagerCompat userManager = UserManagerCompat.getInstance(context); 897 try { 898 while (c.moveToNext()) { 899 ItemInfo item = new ItemInfo(); 900 item.cellX = c.getInt(cellXIndex); 901 item.cellY = c.getInt(cellYIndex); 902 item.spanX = Math.max(1, c.getInt(spanXIndex)); 903 item.spanY = Math.max(1, c.getInt(spanYIndex)); 904 item.container = c.getInt(containerIndex); 905 item.itemType = c.getInt(itemTypeIndex); 906 item.screenId = c.getInt(screenIndex); 907 long serialNumber = c.getInt(profileIdIndex); 908 item.user = userManager.getUserForSerialNumber(serialNumber); 909 // Skip if user has been deleted. 910 if (item.user != null) { 911 items.add(item); 912 } 913 } 914 } catch (Exception e) { 915 items.clear(); 916 } finally { 917 c.close(); 918 } 919 920 return items; 921 } 922 923 /** 924 * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. 925 */ 926 FolderInfo getFolderById(Context context, HashMap<Long,FolderInfo> folderList, long id) { 927 final ContentResolver cr = context.getContentResolver(); 928 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, 929 "_id=? and (itemType=? or itemType=?)", 930 new String[] { String.valueOf(id), 931 String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); 932 933 try { 934 if (c.moveToFirst()) { 935 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 936 final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); 937 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 938 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 939 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 940 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 941 942 FolderInfo folderInfo = null; 943 switch (c.getInt(itemTypeIndex)) { 944 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 945 folderInfo = findOrMakeFolder(folderList, id); 946 break; 947 } 948 949 folderInfo.title = c.getString(titleIndex); 950 folderInfo.id = id; 951 folderInfo.container = c.getInt(containerIndex); 952 folderInfo.screenId = c.getInt(screenIndex); 953 folderInfo.cellX = c.getInt(cellXIndex); 954 folderInfo.cellY = c.getInt(cellYIndex); 955 956 return folderInfo; 957 } 958 } finally { 959 c.close(); 960 } 961 962 return null; 963 } 964 965 /** 966 * Add an item to the database in a specified container. Sets the container, screen, cellX and 967 * cellY fields of the item. Also assigns an ID to the item. 968 */ 969 static void addItemToDatabase(Context context, final ItemInfo item, final long container, 970 final long screenId, final int cellX, final int cellY, final boolean notify) { 971 item.container = container; 972 item.cellX = cellX; 973 item.cellY = cellY; 974 // We store hotseat items in canonical form which is this orientation invariant position 975 // in the hotseat 976 if (context instanceof Launcher && screenId < 0 && 977 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 978 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 979 } else { 980 item.screenId = screenId; 981 } 982 983 final ContentValues values = new ContentValues(); 984 final ContentResolver cr = context.getContentResolver(); 985 item.onAddToDatabase(context, values); 986 987 item.id = LauncherAppState.getLauncherProvider().generateNewItemId(); 988 values.put(LauncherSettings.Favorites._ID, item.id); 989 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 990 991 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 992 Runnable r = new Runnable() { 993 public void run() { 994 cr.insert(notify ? LauncherSettings.Favorites.CONTENT_URI : 995 LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, values); 996 997 // Lock on mBgLock *after* the db operation 998 synchronized (sBgLock) { 999 checkItemInfoLocked(item.id, item, stackTrace); 1000 sBgItemsIdMap.put(item.id, item); 1001 switch (item.itemType) { 1002 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1003 sBgFolders.put(item.id, (FolderInfo) item); 1004 // Fall through 1005 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1006 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1007 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 1008 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1009 sBgWorkspaceItems.add(item); 1010 } else { 1011 if (!sBgFolders.containsKey(item.container)) { 1012 // Adding an item to a folder that doesn't exist. 1013 String msg = "adding item: " + item + " to a folder that " + 1014 " doesn't exist"; 1015 Log.e(TAG, msg); 1016 } 1017 } 1018 break; 1019 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1020 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 1021 break; 1022 } 1023 } 1024 } 1025 }; 1026 runOnWorkerThread(r); 1027 } 1028 1029 /** 1030 * Creates a new unique child id, for a given cell span across all layouts. 1031 */ 1032 static int getCellLayoutChildId( 1033 long container, long screen, int localCellX, int localCellY, int spanX, int spanY) { 1034 return (((int) container & 0xFF) << 24) 1035 | ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 1036 } 1037 1038 /** 1039 * Removes the specified item from the database 1040 * @param context 1041 * @param item 1042 */ 1043 static void deleteItemFromDatabase(Context context, final ItemInfo item) { 1044 final ContentResolver cr = context.getContentResolver(); 1045 final Uri uriToDelete = LauncherSettings.Favorites.getContentUri(item.id, false); 1046 1047 Runnable r = new Runnable() { 1048 public void run() { 1049 cr.delete(uriToDelete, null, null); 1050 1051 // Lock on mBgLock *after* the db operation 1052 synchronized (sBgLock) { 1053 switch (item.itemType) { 1054 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1055 sBgFolders.remove(item.id); 1056 for (ItemInfo info: sBgItemsIdMap.values()) { 1057 if (info.container == item.id) { 1058 // We are deleting a folder which still contains items that 1059 // think they are contained by that folder. 1060 String msg = "deleting a folder (" + item + ") which still " + 1061 "contains items (" + info + ")"; 1062 Log.e(TAG, msg); 1063 } 1064 } 1065 sBgWorkspaceItems.remove(item); 1066 break; 1067 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1068 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1069 sBgWorkspaceItems.remove(item); 1070 break; 1071 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1072 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 1073 break; 1074 } 1075 sBgItemsIdMap.remove(item.id); 1076 sBgDbIconCache.remove(item); 1077 } 1078 } 1079 }; 1080 runOnWorkerThread(r); 1081 } 1082 1083 /** 1084 * Update the order of the workspace screens in the database. The array list contains 1085 * a list of screen ids in the order that they should appear. 1086 */ 1087 void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) { 1088 // Log to disk 1089 Launcher.addDumpLog(TAG, "11683562 - updateWorkspaceScreenOrder()", true); 1090 Launcher.addDumpLog(TAG, "11683562 - screens: " + TextUtils.join(", ", screens), true); 1091 1092 final ArrayList<Long> screensCopy = new ArrayList<Long>(screens); 1093 final ContentResolver cr = context.getContentResolver(); 1094 final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1095 1096 // Remove any negative screen ids -- these aren't persisted 1097 Iterator<Long> iter = screensCopy.iterator(); 1098 while (iter.hasNext()) { 1099 long id = iter.next(); 1100 if (id < 0) { 1101 iter.remove(); 1102 } 1103 } 1104 1105 Runnable r = new Runnable() { 1106 @Override 1107 public void run() { 1108 ArrayList<ContentProviderOperation> ops = new ArrayList<ContentProviderOperation>(); 1109 // Clear the table 1110 ops.add(ContentProviderOperation.newDelete(uri).build()); 1111 int count = screensCopy.size(); 1112 for (int i = 0; i < count; i++) { 1113 ContentValues v = new ContentValues(); 1114 long screenId = screensCopy.get(i); 1115 v.put(LauncherSettings.WorkspaceScreens._ID, screenId); 1116 v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); 1117 ops.add(ContentProviderOperation.newInsert(uri).withValues(v).build()); 1118 } 1119 1120 try { 1121 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 1122 } catch (Exception ex) { 1123 throw new RuntimeException(ex); 1124 } 1125 1126 synchronized (sBgLock) { 1127 sBgWorkspaceScreens.clear(); 1128 sBgWorkspaceScreens.addAll(screensCopy); 1129 } 1130 } 1131 }; 1132 runOnWorkerThread(r); 1133 } 1134 1135 /** 1136 * Remove the contents of the specified folder from the database 1137 */ 1138 static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { 1139 final ContentResolver cr = context.getContentResolver(); 1140 1141 Runnable r = new Runnable() { 1142 public void run() { 1143 cr.delete(LauncherSettings.Favorites.getContentUri(info.id, false), null, null); 1144 // Lock on mBgLock *after* the db operation 1145 synchronized (sBgLock) { 1146 sBgItemsIdMap.remove(info.id); 1147 sBgFolders.remove(info.id); 1148 sBgDbIconCache.remove(info); 1149 sBgWorkspaceItems.remove(info); 1150 } 1151 1152 cr.delete(LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, 1153 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 1154 // Lock on mBgLock *after* the db operation 1155 synchronized (sBgLock) { 1156 for (ItemInfo childInfo : info.contents) { 1157 sBgItemsIdMap.remove(childInfo.id); 1158 sBgDbIconCache.remove(childInfo); 1159 } 1160 } 1161 } 1162 }; 1163 runOnWorkerThread(r); 1164 } 1165 1166 /** 1167 * Set this as the current Launcher activity object for the loader. 1168 */ 1169 public void initialize(Callbacks callbacks) { 1170 synchronized (mLock) { 1171 mCallbacks = new WeakReference<Callbacks>(callbacks); 1172 } 1173 } 1174 1175 @Override 1176 public void onPackageChanged(UserHandleCompat user, String packageName) { 1177 int op = PackageUpdatedTask.OP_UPDATE; 1178 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1179 user)); 1180 } 1181 1182 @Override 1183 public void onPackageRemoved(UserHandleCompat user, String packageName) { 1184 int op = PackageUpdatedTask.OP_REMOVE; 1185 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1186 user)); 1187 } 1188 1189 @Override 1190 public void onPackageAdded(UserHandleCompat user, String packageName) { 1191 int op = PackageUpdatedTask.OP_ADD; 1192 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName }, 1193 user)); 1194 } 1195 1196 @Override 1197 public void onPackagesAvailable(UserHandleCompat user, String[] packageNames, 1198 boolean replacing) { 1199 if (!replacing) { 1200 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packageNames, 1201 user)); 1202 if (mAppsCanBeOnRemoveableStorage) { 1203 // Only rebind if we support removable storage. It catches the 1204 // case where 1205 // apps on the external sd card need to be reloaded 1206 startLoaderFromBackground(); 1207 } 1208 } else { 1209 // If we are replacing then just update the packages in the list 1210 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE, 1211 packageNames, user)); 1212 } 1213 } 1214 1215 @Override 1216 public void onPackagesUnavailable(UserHandleCompat user, String[] packageNames, 1217 boolean replacing) { 1218 if (!replacing) { 1219 enqueuePackageUpdated(new PackageUpdatedTask( 1220 PackageUpdatedTask.OP_UNAVAILABLE, packageNames, 1221 user)); 1222 } 1223 1224 } 1225 1226 /** 1227 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 1228 * ACTION_PACKAGE_CHANGED. 1229 */ 1230 @Override 1231 public void onReceive(Context context, Intent intent) { 1232 if (DEBUG_RECEIVER) Log.d(TAG, "onReceive intent=" + intent); 1233 1234 final String action = intent.getAction(); 1235 if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 1236 // If we have changed locale we need to clear out the labels in all apps/workspace. 1237 forceReload(); 1238 } else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) { 1239 // Check if configuration change was an mcc/mnc change which would affect app resources 1240 // and we would need to clear out the labels in all apps/workspace. Same handling as 1241 // above for ACTION_LOCALE_CHANGED 1242 Configuration currentConfig = context.getResources().getConfiguration(); 1243 if (mPreviousConfigMcc != currentConfig.mcc) { 1244 Log.d(TAG, "Reload apps on config change. curr_mcc:" 1245 + currentConfig.mcc + " prevmcc:" + mPreviousConfigMcc); 1246 forceReload(); 1247 } 1248 // Update previousConfig 1249 mPreviousConfigMcc = currentConfig.mcc; 1250 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action) || 1251 SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED.equals(action)) { 1252 if (mCallbacks != null) { 1253 Callbacks callbacks = mCallbacks.get(); 1254 if (callbacks != null) { 1255 callbacks.bindSearchablesChanged(); 1256 } 1257 } 1258 } 1259 } 1260 1261 void forceReload() { 1262 resetLoadedState(true, true); 1263 1264 // Do this here because if the launcher activity is running it will be restarted. 1265 // If it's not running startLoaderFromBackground will merely tell it that it needs 1266 // to reload. 1267 startLoaderFromBackground(); 1268 } 1269 1270 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 1271 synchronized (mLock) { 1272 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 1273 // mWorkspaceLoaded to true later 1274 stopLoaderLocked(); 1275 if (resetAllAppsLoaded) mAllAppsLoaded = false; 1276 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 1277 } 1278 } 1279 1280 /** 1281 * When the launcher is in the background, it's possible for it to miss paired 1282 * configuration changes. So whenever we trigger the loader from the background 1283 * tell the launcher that it needs to re-run the loader when it comes back instead 1284 * of doing it now. 1285 */ 1286 public void startLoaderFromBackground() { 1287 boolean runLoader = false; 1288 if (mCallbacks != null) { 1289 Callbacks callbacks = mCallbacks.get(); 1290 if (callbacks != null) { 1291 // Only actually run the loader if they're not paused. 1292 if (!callbacks.setLoadOnResume()) { 1293 runLoader = true; 1294 } 1295 } 1296 } 1297 if (runLoader) { 1298 startLoader(false, PagedView.INVALID_RESTORE_PAGE); 1299 } 1300 } 1301 1302 // If there is already a loader task running, tell it to stop. 1303 // returns true if isLaunching() was true on the old task 1304 private boolean stopLoaderLocked() { 1305 boolean isLaunching = false; 1306 LoaderTask oldTask = mLoaderTask; 1307 if (oldTask != null) { 1308 if (oldTask.isLaunching()) { 1309 isLaunching = true; 1310 } 1311 oldTask.stopLocked(); 1312 } 1313 return isLaunching; 1314 } 1315 1316 public void startLoader(boolean isLaunching, int synchronousBindPage) { 1317 startLoader(isLaunching, synchronousBindPage, LOADER_FLAG_NONE); 1318 } 1319 1320 public void startLoader(boolean isLaunching, int synchronousBindPage, int loadFlags) { 1321 synchronized (mLock) { 1322 if (DEBUG_LOADERS) { 1323 Log.d(TAG, "startLoader isLaunching=" + isLaunching); 1324 } 1325 1326 // Clear any deferred bind-runnables from the synchronized load process 1327 // We must do this before any loading/binding is scheduled below. 1328 synchronized (mDeferredBindRunnables) { 1329 mDeferredBindRunnables.clear(); 1330 } 1331 1332 // Don't bother to start the thread if we know it's not going to do anything 1333 if (mCallbacks != null && mCallbacks.get() != null) { 1334 // If there is already one running, tell it to stop. 1335 // also, don't downgrade isLaunching if we're already running 1336 isLaunching = isLaunching || stopLoaderLocked(); 1337 mLoaderTask = new LoaderTask(mApp.getContext(), isLaunching, loadFlags); 1338 if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE 1339 && mAllAppsLoaded && mWorkspaceLoaded) { 1340 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 1341 } else { 1342 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 1343 sWorker.post(mLoaderTask); 1344 } 1345 } 1346 } 1347 } 1348 1349 void bindRemainingSynchronousPages() { 1350 // Post the remaining side pages to be loaded 1351 if (!mDeferredBindRunnables.isEmpty()) { 1352 Runnable[] deferredBindRunnables = null; 1353 synchronized (mDeferredBindRunnables) { 1354 deferredBindRunnables = mDeferredBindRunnables.toArray( 1355 new Runnable[mDeferredBindRunnables.size()]); 1356 mDeferredBindRunnables.clear(); 1357 } 1358 for (final Runnable r : deferredBindRunnables) { 1359 mHandler.post(r, MAIN_THREAD_BINDING_RUNNABLE); 1360 } 1361 } 1362 } 1363 1364 public void stopLoader() { 1365 synchronized (mLock) { 1366 if (mLoaderTask != null) { 1367 mLoaderTask.stopLocked(); 1368 } 1369 } 1370 } 1371 1372 /** Loads the workspace screens db into a map of Rank -> ScreenId */ 1373 private static TreeMap<Integer, Long> loadWorkspaceScreensDb(Context context) { 1374 final ContentResolver contentResolver = context.getContentResolver(); 1375 final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1376 final Cursor sc = contentResolver.query(screensUri, null, null, null, null); 1377 TreeMap<Integer, Long> orderedScreens = new TreeMap<Integer, Long>(); 1378 1379 try { 1380 final int idIndex = sc.getColumnIndexOrThrow( 1381 LauncherSettings.WorkspaceScreens._ID); 1382 final int rankIndex = sc.getColumnIndexOrThrow( 1383 LauncherSettings.WorkspaceScreens.SCREEN_RANK); 1384 while (sc.moveToNext()) { 1385 try { 1386 long screenId = sc.getLong(idIndex); 1387 int rank = sc.getInt(rankIndex); 1388 orderedScreens.put(rank, screenId); 1389 } catch (Exception e) { 1390 Launcher.addDumpLog(TAG, "Desktop items loading interrupted - invalid screens: " + e, true); 1391 } 1392 } 1393 } finally { 1394 sc.close(); 1395 } 1396 1397 // Log to disk 1398 Launcher.addDumpLog(TAG, "11683562 - loadWorkspaceScreensDb()", true); 1399 ArrayList<String> orderedScreensPairs= new ArrayList<String>(); 1400 for (Integer i : orderedScreens.keySet()) { 1401 orderedScreensPairs.add("{ " + i + ": " + orderedScreens.get(i) + " }"); 1402 } 1403 Launcher.addDumpLog(TAG, "11683562 - screens: " + 1404 TextUtils.join(", ", orderedScreensPairs), true); 1405 return orderedScreens; 1406 } 1407 1408 public boolean isAllAppsLoaded() { 1409 return mAllAppsLoaded; 1410 } 1411 1412 boolean isLoadingWorkspace() { 1413 synchronized (mLock) { 1414 if (mLoaderTask != null) { 1415 return mLoaderTask.isLoadingWorkspace(); 1416 } 1417 } 1418 return false; 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 private boolean mIsLaunching; 1430 private boolean mIsLoadingAndBindingWorkspace; 1431 private boolean mStopped; 1432 private boolean mLoadAndBindStepFinished; 1433 private int mFlags; 1434 1435 private HashMap<Object, CharSequence> mLabelCache; 1436 1437 LoaderTask(Context context, boolean isLaunching, int flags) { 1438 mContext = context; 1439 mIsLaunching = isLaunching; 1440 mLabelCache = new HashMap<Object, CharSequence>(); 1441 mFlags = flags; 1442 } 1443 1444 boolean isLaunching() { 1445 return mIsLaunching; 1446 } 1447 1448 boolean isLoadingWorkspace() { 1449 return mIsLoadingAndBindingWorkspace; 1450 } 1451 1452 /** Returns whether this is an upgrade path */ 1453 private boolean loadAndBindWorkspace() { 1454 mIsLoadingAndBindingWorkspace = true; 1455 1456 // Load the workspace 1457 if (DEBUG_LOADERS) { 1458 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 1459 } 1460 1461 boolean isUpgradePath = false; 1462 if (!mWorkspaceLoaded) { 1463 isUpgradePath = loadWorkspace(); 1464 synchronized (LoaderTask.this) { 1465 if (mStopped) { 1466 return isUpgradePath; 1467 } 1468 mWorkspaceLoaded = true; 1469 } 1470 } 1471 1472 // Bind the workspace 1473 bindWorkspace(-1, isUpgradePath); 1474 return isUpgradePath; 1475 } 1476 1477 private void waitForIdle() { 1478 // Wait until the either we're stopped or the other threads are done. 1479 // This way we don't start loading all apps until the workspace has settled 1480 // down. 1481 synchronized (LoaderTask.this) { 1482 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1483 1484 mHandler.postIdle(new Runnable() { 1485 public void run() { 1486 synchronized (LoaderTask.this) { 1487 mLoadAndBindStepFinished = true; 1488 if (DEBUG_LOADERS) { 1489 Log.d(TAG, "done with previous binding step"); 1490 } 1491 LoaderTask.this.notify(); 1492 } 1493 } 1494 }); 1495 1496 while (!mStopped && !mLoadAndBindStepFinished && !mFlushingWorkerThread) { 1497 try { 1498 // Just in case mFlushingWorkerThread changes but we aren't woken up, 1499 // wait no longer than 1sec at a time 1500 this.wait(1000); 1501 } catch (InterruptedException ex) { 1502 // Ignore 1503 } 1504 } 1505 if (DEBUG_LOADERS) { 1506 Log.d(TAG, "waited " 1507 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1508 + "ms for previous step to finish binding"); 1509 } 1510 } 1511 } 1512 1513 void runBindSynchronousPage(int synchronousBindPage) { 1514 if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) { 1515 // Ensure that we have a valid page index to load synchronously 1516 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1517 "valid page index"); 1518 } 1519 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1520 // Ensure that we don't try and bind a specified page when the pages have not been 1521 // loaded already (we should load everything asynchronously in that case) 1522 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1523 } 1524 synchronized (mLock) { 1525 if (mIsLoaderTaskRunning) { 1526 // Ensure that we are never running the background loading at this point since 1527 // we also touch the background collections 1528 throw new RuntimeException("Error! Background loading is already running"); 1529 } 1530 } 1531 1532 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1533 // data structures, we can't allow any other thread to touch that data, but because 1534 // this call is synchronous, we can get away with not locking). 1535 1536 // The LauncherModel is static in the LauncherAppState and mHandler may have queued 1537 // operations from the previous activity. We need to ensure that all queued operations 1538 // are executed before any synchronous binding work is done. 1539 mHandler.flush(); 1540 1541 // Divide the set of loaded items into those that we are binding synchronously, and 1542 // everything else that is to be bound normally (asynchronously). 1543 bindWorkspace(synchronousBindPage, false); 1544 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1545 // arise from that. 1546 onlyBindAllApps(); 1547 } 1548 1549 public void run() { 1550 boolean isUpgrade = false; 1551 1552 synchronized (mLock) { 1553 mIsLoaderTaskRunning = true; 1554 } 1555 // Optimize for end-user experience: if the Launcher is up and // running with the 1556 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1557 // workspace first (default). 1558 keep_running: { 1559 // Elevate priority when Home launches for the first time to avoid 1560 // starving at boot time. Staring at a blank home is not cool. 1561 synchronized (mLock) { 1562 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to " + 1563 (mIsLaunching ? "DEFAULT" : "BACKGROUND")); 1564 android.os.Process.setThreadPriority(mIsLaunching 1565 ? Process.THREAD_PRIORITY_DEFAULT : Process.THREAD_PRIORITY_BACKGROUND); 1566 } 1567 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1568 isUpgrade = loadAndBindWorkspace(); 1569 1570 if (mStopped) { 1571 break keep_running; 1572 } 1573 1574 // Whew! Hard work done. Slow us down, and wait until the UI thread has 1575 // settled down. 1576 synchronized (mLock) { 1577 if (mIsLaunching) { 1578 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to BACKGROUND"); 1579 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1580 } 1581 } 1582 waitForIdle(); 1583 1584 // second step 1585 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1586 loadAndBindAllApps(); 1587 1588 // Restore the default thread priority after we are done loading items 1589 synchronized (mLock) { 1590 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1591 } 1592 } 1593 1594 // Update the saved icons if necessary 1595 if (DEBUG_LOADERS) Log.d(TAG, "Comparing loaded icons to database icons"); 1596 synchronized (sBgLock) { 1597 for (Object key : sBgDbIconCache.keySet()) { 1598 updateSavedIcon(mContext, (ShortcutInfo) key, sBgDbIconCache.get(key)); 1599 } 1600 sBgDbIconCache.clear(); 1601 } 1602 1603 if (LauncherAppState.isDisableAllApps()) { 1604 // Ensure that all the applications that are in the system are 1605 // represented on the home screen. 1606 if (!UPGRADE_USE_MORE_APPS_FOLDER || !isUpgrade) { 1607 verifyApplications(); 1608 } 1609 } 1610 1611 // Clear out this reference, otherwise we end up holding it until all of the 1612 // callback runnables are done. 1613 mContext = null; 1614 1615 synchronized (mLock) { 1616 // If we are still the last one to be scheduled, remove ourselves. 1617 if (mLoaderTask == this) { 1618 mLoaderTask = null; 1619 } 1620 mIsLoaderTaskRunning = false; 1621 } 1622 } 1623 1624 public void stopLocked() { 1625 synchronized (LoaderTask.this) { 1626 mStopped = true; 1627 this.notify(); 1628 } 1629 } 1630 1631 /** 1632 * Gets the callbacks object. If we've been stopped, or if the launcher object 1633 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1634 * object that was around when the deferred message was scheduled, and if there's 1635 * a new Callbacks object around then also return null. This will save us from 1636 * calling onto it with data that will be ignored. 1637 */ 1638 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1639 synchronized (mLock) { 1640 if (mStopped) { 1641 return null; 1642 } 1643 1644 if (mCallbacks == null) { 1645 return null; 1646 } 1647 1648 final Callbacks callbacks = mCallbacks.get(); 1649 if (callbacks != oldCallbacks) { 1650 return null; 1651 } 1652 if (callbacks == null) { 1653 Log.w(TAG, "no mCallbacks"); 1654 return null; 1655 } 1656 1657 return callbacks; 1658 } 1659 } 1660 1661 private void verifyApplications() { 1662 final Context context = mApp.getContext(); 1663 1664 // Cross reference all the applications in our apps list with items in the workspace 1665 ArrayList<ItemInfo> tmpInfos; 1666 ArrayList<ItemInfo> added = new ArrayList<ItemInfo>(); 1667 synchronized (sBgLock) { 1668 for (AppInfo app : mBgAllAppsList.data) { 1669 tmpInfos = getItemInfoForComponentName(app.componentName, app.user); 1670 if (tmpInfos.isEmpty()) { 1671 // We are missing an application icon, so add this to the workspace 1672 added.add(app); 1673 // This is a rare event, so lets log it 1674 Log.e(TAG, "Missing Application on load: " + app); 1675 } 1676 } 1677 } 1678 if (!added.isEmpty()) { 1679 addAndBindAddedWorkspaceApps(context, added); 1680 } 1681 } 1682 1683 // check & update map of what's occupied; used to discard overlapping/invalid items 1684 private boolean checkItemPlacement(HashMap<Long, ItemInfo[][]> occupied, ItemInfo item, 1685 AtomicBoolean deleteOnInvalidPlacement) { 1686 LauncherAppState app = LauncherAppState.getInstance(); 1687 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1688 final int countX = (int) grid.numColumns; 1689 final int countY = (int) grid.numRows; 1690 1691 long containerIndex = item.screenId; 1692 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1693 // Return early if we detect that an item is under the hotseat button 1694 if (mCallbacks == null || 1695 mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) { 1696 deleteOnInvalidPlacement.set(true); 1697 Log.e(TAG, "Error loading shortcut into hotseat " + item 1698 + " into position (" + item.screenId + ":" + item.cellX + "," 1699 + item.cellY + ") occupied by all apps"); 1700 return false; 1701 } 1702 1703 final ItemInfo[][] hotseatItems = 1704 occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT); 1705 1706 if (item.screenId >= grid.numHotseatIcons) { 1707 Log.e(TAG, "Error loading shortcut " + item 1708 + " into hotseat position " + item.screenId 1709 + ", position out of bounds: (0 to " + (grid.numHotseatIcons - 1) 1710 + ")"); 1711 return false; 1712 } 1713 1714 if (hotseatItems != null) { 1715 if (hotseatItems[(int) item.screenId][0] != null) { 1716 Log.e(TAG, "Error loading shortcut into hotseat " + item 1717 + " into position (" + item.screenId + ":" + item.cellX + "," 1718 + item.cellY + ") occupied by " 1719 + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1720 [(int) item.screenId][0]); 1721 return false; 1722 } else { 1723 hotseatItems[(int) item.screenId][0] = item; 1724 return true; 1725 } 1726 } else { 1727 final ItemInfo[][] items = new ItemInfo[(int) grid.numHotseatIcons][1]; 1728 items[(int) item.screenId][0] = item; 1729 occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); 1730 return true; 1731 } 1732 } else if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1733 // Skip further checking if it is not the hotseat or workspace container 1734 return true; 1735 } 1736 1737 if (!occupied.containsKey(item.screenId)) { 1738 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1739 occupied.put(item.screenId, items); 1740 } 1741 1742 final ItemInfo[][] screens = occupied.get(item.screenId); 1743 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1744 item.cellX < 0 || item.cellY < 0 || 1745 item.cellX + item.spanX > countX || item.cellY + item.spanY > countY) { 1746 Log.e(TAG, "Error loading shortcut " + item 1747 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1748 + item.cellX + "," + item.cellY 1749 + ") out of screen bounds ( " + countX + "x" + countY + ")"); 1750 return false; 1751 } 1752 1753 // Check if any workspace icons overlap with each other 1754 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1755 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1756 if (screens[x][y] != null) { 1757 Log.e(TAG, "Error loading shortcut " + item 1758 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1759 + x + "," + y 1760 + ") occupied by " 1761 + screens[x][y]); 1762 return false; 1763 } 1764 } 1765 } 1766 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1767 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1768 screens[x][y] = item; 1769 } 1770 } 1771 1772 return true; 1773 } 1774 1775 /** Clears all the sBg data structures */ 1776 private void clearSBgDataStructures() { 1777 synchronized (sBgLock) { 1778 sBgWorkspaceItems.clear(); 1779 sBgAppWidgets.clear(); 1780 sBgFolders.clear(); 1781 sBgItemsIdMap.clear(); 1782 sBgDbIconCache.clear(); 1783 sBgWorkspaceScreens.clear(); 1784 } 1785 } 1786 1787 /** Returns whether this is an upgrade path */ 1788 private boolean loadWorkspace() { 1789 // Log to disk 1790 Launcher.addDumpLog(TAG, "11683562 - loadWorkspace()", true); 1791 1792 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1793 1794 final Context context = mContext; 1795 final ContentResolver contentResolver = context.getContentResolver(); 1796 final PackageManager manager = context.getPackageManager(); 1797 final AppWidgetManager widgets = AppWidgetManager.getInstance(context); 1798 final boolean isSafeMode = manager.isSafeMode(); 1799 1800 LauncherAppState app = LauncherAppState.getInstance(); 1801 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1802 int countX = (int) grid.numColumns; 1803 int countY = (int) grid.numRows; 1804 1805 if ((mFlags & LOADER_FLAG_CLEAR_WORKSPACE) != 0) { 1806 Launcher.addDumpLog(TAG, "loadWorkspace: resetting launcher database", true); 1807 LauncherAppState.getLauncherProvider().deleteDatabase(); 1808 } 1809 1810 if ((mFlags & LOADER_FLAG_MIGRATE_SHORTCUTS) != 0) { 1811 // append the user's Launcher2 shortcuts 1812 Launcher.addDumpLog(TAG, "loadWorkspace: migrating from launcher2", true); 1813 LauncherAppState.getLauncherProvider().migrateLauncher2Shortcuts(); 1814 } else { 1815 // Make sure the default workspace is loaded 1816 Launcher.addDumpLog(TAG, "loadWorkspace: loading default favorites", false); 1817 LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary(0); 1818 } 1819 1820 // Check if we need to do any upgrade-path logic 1821 // (Includes having just imported default favorites) 1822 boolean loadedOldDb = LauncherAppState.getLauncherProvider().justLoadedOldDb(); 1823 1824 // Log to disk 1825 Launcher.addDumpLog(TAG, "11683562 - loadedOldDb: " + loadedOldDb, true); 1826 1827 synchronized (sBgLock) { 1828 clearSBgDataStructures(); 1829 1830 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 1831 final ArrayList<Long> restoredRows = new ArrayList<Long>(); 1832 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; 1833 if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri); 1834 final Cursor c = contentResolver.query(contentUri, null, null, null, null); 1835 1836 // +1 for the hotseat (it can be larger than the workspace) 1837 // Load workspace in reverse order to ensure that latest items are loaded first (and 1838 // before any earlier duplicates) 1839 final HashMap<Long, ItemInfo[][]> occupied = new HashMap<Long, ItemInfo[][]>(); 1840 1841 try { 1842 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1843 final int intentIndex = c.getColumnIndexOrThrow 1844 (LauncherSettings.Favorites.INTENT); 1845 final int titleIndex = c.getColumnIndexOrThrow 1846 (LauncherSettings.Favorites.TITLE); 1847 final int iconTypeIndex = c.getColumnIndexOrThrow( 1848 LauncherSettings.Favorites.ICON_TYPE); 1849 final int iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON); 1850 final int iconPackageIndex = c.getColumnIndexOrThrow( 1851 LauncherSettings.Favorites.ICON_PACKAGE); 1852 final int iconResourceIndex = c.getColumnIndexOrThrow( 1853 LauncherSettings.Favorites.ICON_RESOURCE); 1854 final int containerIndex = c.getColumnIndexOrThrow( 1855 LauncherSettings.Favorites.CONTAINER); 1856 final int itemTypeIndex = c.getColumnIndexOrThrow( 1857 LauncherSettings.Favorites.ITEM_TYPE); 1858 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1859 LauncherSettings.Favorites.APPWIDGET_ID); 1860 final int appWidgetProviderIndex = c.getColumnIndexOrThrow( 1861 LauncherSettings.Favorites.APPWIDGET_PROVIDER); 1862 final int screenIndex = c.getColumnIndexOrThrow( 1863 LauncherSettings.Favorites.SCREEN); 1864 final int cellXIndex = c.getColumnIndexOrThrow 1865 (LauncherSettings.Favorites.CELLX); 1866 final int cellYIndex = c.getColumnIndexOrThrow 1867 (LauncherSettings.Favorites.CELLY); 1868 final int spanXIndex = c.getColumnIndexOrThrow 1869 (LauncherSettings.Favorites.SPANX); 1870 final int spanYIndex = c.getColumnIndexOrThrow( 1871 LauncherSettings.Favorites.SPANY); 1872 final int restoredIndex = c.getColumnIndexOrThrow( 1873 LauncherSettings.Favorites.RESTORED); 1874 final int profileIdIndex = c.getColumnIndexOrThrow( 1875 LauncherSettings.Favorites.PROFILE_ID); 1876 //final int uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI); 1877 //final int displayModeIndex = c.getColumnIndexOrThrow( 1878 // LauncherSettings.Favorites.DISPLAY_MODE); 1879 1880 ShortcutInfo info; 1881 String intentDescription; 1882 LauncherAppWidgetInfo appWidgetInfo; 1883 int container; 1884 long id; 1885 Intent intent; 1886 UserHandleCompat user; 1887 1888 while (!mStopped && c.moveToNext()) { 1889 AtomicBoolean deleteOnInvalidPlacement = new AtomicBoolean(false); 1890 try { 1891 int itemType = c.getInt(itemTypeIndex); 1892 boolean restored = 0 != c.getInt(restoredIndex); 1893 1894 switch (itemType) { 1895 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1896 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1897 id = c.getLong(idIndex); 1898 intentDescription = c.getString(intentIndex); 1899 long serialNumber = c.getInt(profileIdIndex); 1900 user = mUserManager.getUserForSerialNumber(serialNumber); 1901 if (user == null) { 1902 // User has been deleted remove the item. 1903 itemsToRemove.add(id); 1904 continue; 1905 } 1906 try { 1907 intent = Intent.parseUri(intentDescription, 0); 1908 ComponentName cn = intent.getComponent(); 1909 if (cn != null && !isValidPackageActivity(context, cn, user)) { 1910 if (restored) { 1911 // might be installed later 1912 Launcher.addDumpLog(TAG, 1913 "package not yet restored: " + cn, true); 1914 } else { 1915 if (!mAppsCanBeOnRemoveableStorage) { 1916 // Log the invalid package, and remove it 1917 Launcher.addDumpLog(TAG, 1918 "Invalid package removed: " + cn, true); 1919 itemsToRemove.add(id); 1920 } else { 1921 // If apps can be on external storage, then we just 1922 // leave them for the user to remove (maybe add 1923 // visual treatment to it) 1924 Launcher.addDumpLog(TAG, 1925 "Invalid package found: " + cn, true); 1926 } 1927 continue; 1928 } 1929 } else if (restored) { 1930 // no special handling necessary for this restored item 1931 restoredRows.add(id); 1932 restored = false; 1933 } 1934 } catch (URISyntaxException e) { 1935 Launcher.addDumpLog(TAG, 1936 "Invalid uri: " + intentDescription, true); 1937 continue; 1938 } 1939 1940 if (restored) { 1941 if (user.equals(UserHandleCompat.myUserHandle())) { 1942 Launcher.addDumpLog(TAG, 1943 "constructing info for partially restored package", 1944 true); 1945 info = getRestoredItemInfo(c, titleIndex, intent); 1946 intent = getRestoredItemIntent(c, context, intent); 1947 } else { 1948 // Don't restore items for other profiles. 1949 itemsToRemove.add(id); 1950 continue; 1951 } 1952 } else if (itemType == 1953 LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 1954 info = getShortcutInfo(manager, intent, user, context, c, iconIndex, 1955 titleIndex, mLabelCache); 1956 } else { 1957 info = getShortcutInfo(c, context, iconTypeIndex, 1958 iconPackageIndex, iconResourceIndex, iconIndex, 1959 titleIndex); 1960 1961 // App shortcuts that used to be automatically added to Launcher 1962 // didn't always have the correct intent flags set, so do that 1963 // here 1964 if (intent.getAction() != null && 1965 intent.getCategories() != null && 1966 intent.getAction().equals(Intent.ACTION_MAIN) && 1967 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 1968 intent.addFlags( 1969 Intent.FLAG_ACTIVITY_NEW_TASK | 1970 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1971 } 1972 } 1973 1974 if (info != null) { 1975 info.id = id; 1976 info.intent = intent; 1977 container = c.getInt(containerIndex); 1978 info.container = container; 1979 info.screenId = c.getInt(screenIndex); 1980 info.cellX = c.getInt(cellXIndex); 1981 info.cellY = c.getInt(cellYIndex); 1982 info.spanX = 1; 1983 info.spanY = 1; 1984 info.intent.putExtra(ItemInfo.EXTRA_PROFILE, serialNumber); 1985 1986 // check & update map of what's occupied 1987 deleteOnInvalidPlacement.set(false); 1988 if (!checkItemPlacement(occupied, info, deleteOnInvalidPlacement)) { 1989 if (deleteOnInvalidPlacement.get()) { 1990 itemsToRemove.add(id); 1991 } 1992 break; 1993 } 1994 1995 switch (container) { 1996 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1997 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1998 sBgWorkspaceItems.add(info); 1999 break; 2000 default: 2001 // Item is in a user folder 2002 FolderInfo folderInfo = 2003 findOrMakeFolder(sBgFolders, container); 2004 folderInfo.add(info); 2005 break; 2006 } 2007 sBgItemsIdMap.put(info.id, info); 2008 2009 // now that we've loaded everthing re-save it with the 2010 // icon in case it disappears somehow. 2011 queueIconToBeChecked(sBgDbIconCache, info, c, iconIndex); 2012 } else { 2013 throw new RuntimeException("Unexpected null ShortcutInfo"); 2014 } 2015 break; 2016 2017 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 2018 id = c.getLong(idIndex); 2019 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 2020 2021 folderInfo.title = c.getString(titleIndex); 2022 folderInfo.id = id; 2023 container = c.getInt(containerIndex); 2024 folderInfo.container = container; 2025 folderInfo.screenId = c.getInt(screenIndex); 2026 folderInfo.cellX = c.getInt(cellXIndex); 2027 folderInfo.cellY = c.getInt(cellYIndex); 2028 folderInfo.spanX = 1; 2029 folderInfo.spanY = 1; 2030 2031 // check & update map of what's occupied 2032 deleteOnInvalidPlacement.set(false); 2033 if (!checkItemPlacement(occupied, folderInfo, 2034 deleteOnInvalidPlacement)) { 2035 if (deleteOnInvalidPlacement.get()) { 2036 itemsToRemove.add(id); 2037 } 2038 break; 2039 } 2040 2041 switch (container) { 2042 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 2043 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 2044 sBgWorkspaceItems.add(folderInfo); 2045 break; 2046 } 2047 2048 if (restored) { 2049 // no special handling required for restored folders 2050 restoredRows.add(id); 2051 } 2052 2053 sBgItemsIdMap.put(folderInfo.id, folderInfo); 2054 sBgFolders.put(folderInfo.id, folderInfo); 2055 break; 2056 2057 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 2058 // Read all Launcher-specific widget details 2059 int appWidgetId = c.getInt(appWidgetIdIndex); 2060 String savedProvider = c.getString(appWidgetProviderIndex); 2061 2062 id = c.getLong(idIndex); 2063 2064 final AppWidgetProviderInfo provider = 2065 widgets.getAppWidgetInfo(appWidgetId); 2066 2067 if (!isSafeMode && (provider == null || provider.provider == null || 2068 provider.provider.getPackageName() == null)) { 2069 String log = "Deleting widget that isn't installed anymore: id=" 2070 + id + " appWidgetId=" + appWidgetId; 2071 Log.e(TAG, log); 2072 Launcher.addDumpLog(TAG, log, false); 2073 itemsToRemove.add(id); 2074 } else { 2075 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2076 provider.provider); 2077 appWidgetInfo.id = id; 2078 appWidgetInfo.screenId = c.getInt(screenIndex); 2079 appWidgetInfo.cellX = c.getInt(cellXIndex); 2080 appWidgetInfo.cellY = c.getInt(cellYIndex); 2081 appWidgetInfo.spanX = c.getInt(spanXIndex); 2082 appWidgetInfo.spanY = c.getInt(spanYIndex); 2083 int[] minSpan = Launcher.getMinSpanForWidget(context, provider); 2084 appWidgetInfo.minSpanX = minSpan[0]; 2085 appWidgetInfo.minSpanY = minSpan[1]; 2086 2087 container = c.getInt(containerIndex); 2088 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 2089 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2090 Log.e(TAG, "Widget found where container != " + 2091 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 2092 continue; 2093 } 2094 2095 appWidgetInfo.container = c.getInt(containerIndex); 2096 // check & update map of what's occupied 2097 deleteOnInvalidPlacement.set(false); 2098 if (!checkItemPlacement(occupied, appWidgetInfo, 2099 deleteOnInvalidPlacement)) { 2100 if (deleteOnInvalidPlacement.get()) { 2101 itemsToRemove.add(id); 2102 } 2103 break; 2104 } 2105 String providerName = provider.provider.flattenToString(); 2106 if (!providerName.equals(savedProvider)) { 2107 ContentValues values = new ContentValues(); 2108 values.put(LauncherSettings.Favorites.APPWIDGET_PROVIDER, 2109 providerName); 2110 String where = BaseColumns._ID + "= ?"; 2111 String[] args = {Integer.toString(c.getInt(idIndex))}; 2112 contentResolver.update(contentUri, values, where, args); 2113 } 2114 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 2115 sBgAppWidgets.add(appWidgetInfo); 2116 } 2117 break; 2118 } 2119 } catch (Exception e) { 2120 Launcher.addDumpLog(TAG, "Desktop items loading interrupted", e, true); 2121 } 2122 } 2123 } finally { 2124 if (c != null) { 2125 c.close(); 2126 } 2127 } 2128 2129 // Break early if we've stopped loading 2130 if (mStopped) { 2131 clearSBgDataStructures(); 2132 return false; 2133 } 2134 2135 if (itemsToRemove.size() > 0) { 2136 ContentProviderClient client = contentResolver.acquireContentProviderClient( 2137 LauncherSettings.Favorites.CONTENT_URI); 2138 // Remove dead items 2139 for (long id : itemsToRemove) { 2140 if (DEBUG_LOADERS) { 2141 Log.d(TAG, "Removed id = " + id); 2142 } 2143 // Don't notify content observers 2144 try { 2145 client.delete(LauncherSettings.Favorites.getContentUri(id, false), 2146 null, null); 2147 } catch (RemoteException e) { 2148 Log.w(TAG, "Could not remove id = " + id); 2149 } 2150 } 2151 } 2152 2153 if (restoredRows.size() > 0) { 2154 ContentProviderClient updater = contentResolver.acquireContentProviderClient( 2155 LauncherSettings.Favorites.CONTENT_URI); 2156 // Update restored items that no longer require special handling 2157 try { 2158 StringBuilder selectionBuilder = new StringBuilder(); 2159 selectionBuilder.append(LauncherSettings.Favorites._ID); 2160 selectionBuilder.append(" IN ("); 2161 selectionBuilder.append(TextUtils.join(", ", restoredRows)); 2162 selectionBuilder.append(")"); 2163 ContentValues values = new ContentValues(); 2164 values.put(LauncherSettings.Favorites.RESTORED, 0); 2165 updater.update(LauncherSettings.Favorites.CONTENT_URI, 2166 values, selectionBuilder.toString(), null); 2167 } catch (RemoteException e) { 2168 Log.w(TAG, "Could not update restored rows"); 2169 } 2170 } 2171 2172 if (loadedOldDb) { 2173 long maxScreenId = 0; 2174 // If we're importing we use the old screen order. 2175 for (ItemInfo item: sBgItemsIdMap.values()) { 2176 long screenId = item.screenId; 2177 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2178 !sBgWorkspaceScreens.contains(screenId)) { 2179 sBgWorkspaceScreens.add(screenId); 2180 if (screenId > maxScreenId) { 2181 maxScreenId = screenId; 2182 } 2183 } 2184 } 2185 Collections.sort(sBgWorkspaceScreens); 2186 // Log to disk 2187 Launcher.addDumpLog(TAG, "11683562 - maxScreenId: " + maxScreenId, true); 2188 Launcher.addDumpLog(TAG, "11683562 - sBgWorkspaceScreens: " + 2189 TextUtils.join(", ", sBgWorkspaceScreens), true); 2190 2191 LauncherAppState.getLauncherProvider().updateMaxScreenId(maxScreenId); 2192 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2193 2194 // Update the max item id after we load an old db 2195 long maxItemId = 0; 2196 // If we're importing we use the old screen order. 2197 for (ItemInfo item: sBgItemsIdMap.values()) { 2198 maxItemId = Math.max(maxItemId, item.id); 2199 } 2200 LauncherAppState.getLauncherProvider().updateMaxItemId(maxItemId); 2201 } else { 2202 TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(mContext); 2203 for (Integer i : orderedScreens.keySet()) { 2204 sBgWorkspaceScreens.add(orderedScreens.get(i)); 2205 } 2206 // Log to disk 2207 Launcher.addDumpLog(TAG, "11683562 - sBgWorkspaceScreens: " + 2208 TextUtils.join(", ", sBgWorkspaceScreens), true); 2209 2210 // Remove any empty screens 2211 ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens); 2212 for (ItemInfo item: sBgItemsIdMap.values()) { 2213 long screenId = item.screenId; 2214 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2215 unusedScreens.contains(screenId)) { 2216 unusedScreens.remove(screenId); 2217 } 2218 } 2219 2220 // If there are any empty screens remove them, and update. 2221 if (unusedScreens.size() != 0) { 2222 // Log to disk 2223 Launcher.addDumpLog(TAG, "11683562 - unusedScreens (to be removed): " + 2224 TextUtils.join(", ", unusedScreens), true); 2225 2226 sBgWorkspaceScreens.removeAll(unusedScreens); 2227 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2228 } 2229 } 2230 2231 if (DEBUG_LOADERS) { 2232 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 2233 Log.d(TAG, "workspace layout: "); 2234 int nScreens = occupied.size(); 2235 for (int y = 0; y < countY; y++) { 2236 String line = ""; 2237 2238 Iterator<Long> iter = occupied.keySet().iterator(); 2239 while (iter.hasNext()) { 2240 long screenId = iter.next(); 2241 if (screenId > 0) { 2242 line += " | "; 2243 } 2244 for (int x = 0; x < countX; x++) { 2245 ItemInfo[][] screen = occupied.get(screenId); 2246 if (x < screen.length && y < screen[x].length) { 2247 line += (screen[x][y] != null) ? "#" : "."; 2248 } else { 2249 line += "!"; 2250 } 2251 } 2252 } 2253 Log.d(TAG, "[ " + line + " ]"); 2254 } 2255 } 2256 } 2257 return loadedOldDb; 2258 } 2259 2260 /** Filters the set of items who are directly or indirectly (via another container) on the 2261 * specified screen. */ 2262 private void filterCurrentWorkspaceItems(long currentScreenId, 2263 ArrayList<ItemInfo> allWorkspaceItems, 2264 ArrayList<ItemInfo> currentScreenItems, 2265 ArrayList<ItemInfo> otherScreenItems) { 2266 // Purge any null ItemInfos 2267 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 2268 while (iter.hasNext()) { 2269 ItemInfo i = iter.next(); 2270 if (i == null) { 2271 iter.remove(); 2272 } 2273 } 2274 2275 // Order the set of items by their containers first, this allows use to walk through the 2276 // list sequentially, build up a list of containers that are in the specified screen, 2277 // as well as all items in those containers. 2278 Set<Long> itemsOnScreen = new HashSet<Long>(); 2279 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 2280 @Override 2281 public int compare(ItemInfo lhs, ItemInfo rhs) { 2282 return (int) (lhs.container - rhs.container); 2283 } 2284 }); 2285 for (ItemInfo info : allWorkspaceItems) { 2286 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 2287 if (info.screenId == currentScreenId) { 2288 currentScreenItems.add(info); 2289 itemsOnScreen.add(info.id); 2290 } else { 2291 otherScreenItems.add(info); 2292 } 2293 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2294 currentScreenItems.add(info); 2295 itemsOnScreen.add(info.id); 2296 } else { 2297 if (itemsOnScreen.contains(info.container)) { 2298 currentScreenItems.add(info); 2299 itemsOnScreen.add(info.id); 2300 } else { 2301 otherScreenItems.add(info); 2302 } 2303 } 2304 } 2305 } 2306 2307 /** Filters the set of widgets which are on the specified screen. */ 2308 private void filterCurrentAppWidgets(long currentScreenId, 2309 ArrayList<LauncherAppWidgetInfo> appWidgets, 2310 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 2311 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 2312 2313 for (LauncherAppWidgetInfo widget : appWidgets) { 2314 if (widget == null) continue; 2315 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2316 widget.screenId == currentScreenId) { 2317 currentScreenWidgets.add(widget); 2318 } else { 2319 otherScreenWidgets.add(widget); 2320 } 2321 } 2322 } 2323 2324 /** Filters the set of folders which are on the specified screen. */ 2325 private void filterCurrentFolders(long currentScreenId, 2326 HashMap<Long, ItemInfo> itemsIdMap, 2327 HashMap<Long, FolderInfo> folders, 2328 HashMap<Long, FolderInfo> currentScreenFolders, 2329 HashMap<Long, FolderInfo> otherScreenFolders) { 2330 2331 for (long id : folders.keySet()) { 2332 ItemInfo info = itemsIdMap.get(id); 2333 FolderInfo folder = folders.get(id); 2334 if (info == null || folder == null) continue; 2335 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2336 info.screenId == currentScreenId) { 2337 currentScreenFolders.put(id, folder); 2338 } else { 2339 otherScreenFolders.put(id, folder); 2340 } 2341 } 2342 } 2343 2344 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 2345 * right) */ 2346 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 2347 final LauncherAppState app = LauncherAppState.getInstance(); 2348 final DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 2349 // XXX: review this 2350 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 2351 @Override 2352 public int compare(ItemInfo lhs, ItemInfo rhs) { 2353 int cellCountX = (int) grid.numColumns; 2354 int cellCountY = (int) grid.numRows; 2355 int screenOffset = cellCountX * cellCountY; 2356 int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat 2357 long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset + 2358 lhs.cellY * cellCountX + lhs.cellX); 2359 long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset + 2360 rhs.cellY * cellCountX + rhs.cellX); 2361 return (int) (lr - rr); 2362 } 2363 }); 2364 } 2365 2366 private void bindWorkspaceScreens(final Callbacks oldCallbacks, 2367 final ArrayList<Long> orderedScreens) { 2368 final Runnable r = new Runnable() { 2369 @Override 2370 public void run() { 2371 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2372 if (callbacks != null) { 2373 callbacks.bindScreens(orderedScreens); 2374 } 2375 } 2376 }; 2377 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2378 } 2379 2380 private void bindWorkspaceItems(final Callbacks oldCallbacks, 2381 final ArrayList<ItemInfo> workspaceItems, 2382 final ArrayList<LauncherAppWidgetInfo> appWidgets, 2383 final HashMap<Long, FolderInfo> folders, 2384 ArrayList<Runnable> deferredBindRunnables) { 2385 2386 final boolean postOnMainThread = (deferredBindRunnables != null); 2387 2388 // Bind the workspace items 2389 int N = workspaceItems.size(); 2390 for (int i = 0; i < N; i += ITEMS_CHUNK) { 2391 final int start = i; 2392 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 2393 final Runnable r = new Runnable() { 2394 @Override 2395 public void run() { 2396 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2397 if (callbacks != null) { 2398 callbacks.bindItems(workspaceItems, start, start+chunkSize, 2399 false); 2400 } 2401 } 2402 }; 2403 if (postOnMainThread) { 2404 synchronized (deferredBindRunnables) { 2405 deferredBindRunnables.add(r); 2406 } 2407 } else { 2408 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2409 } 2410 } 2411 2412 // Bind the folders 2413 if (!folders.isEmpty()) { 2414 final Runnable r = new Runnable() { 2415 public void run() { 2416 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2417 if (callbacks != null) { 2418 callbacks.bindFolders(folders); 2419 } 2420 } 2421 }; 2422 if (postOnMainThread) { 2423 synchronized (deferredBindRunnables) { 2424 deferredBindRunnables.add(r); 2425 } 2426 } else { 2427 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2428 } 2429 } 2430 2431 // Bind the widgets, one at a time 2432 N = appWidgets.size(); 2433 for (int i = 0; i < N; i++) { 2434 final LauncherAppWidgetInfo widget = appWidgets.get(i); 2435 final Runnable r = new Runnable() { 2436 public void run() { 2437 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2438 if (callbacks != null) { 2439 callbacks.bindAppWidget(widget); 2440 } 2441 } 2442 }; 2443 if (postOnMainThread) { 2444 deferredBindRunnables.add(r); 2445 } else { 2446 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2447 } 2448 } 2449 } 2450 2451 /** 2452 * Binds all loaded data to actual views on the main thread. 2453 */ 2454 private void bindWorkspace(int synchronizeBindPage, final boolean isUpgradePath) { 2455 final long t = SystemClock.uptimeMillis(); 2456 Runnable r; 2457 2458 // Don't use these two variables in any of the callback runnables. 2459 // Otherwise we hold a reference to them. 2460 final Callbacks oldCallbacks = mCallbacks.get(); 2461 if (oldCallbacks == null) { 2462 // This launcher has exited and nobody bothered to tell us. Just bail. 2463 Log.w(TAG, "LoaderTask running with no launcher"); 2464 return; 2465 } 2466 2467 // Save a copy of all the bg-thread collections 2468 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 2469 ArrayList<LauncherAppWidgetInfo> appWidgets = 2470 new ArrayList<LauncherAppWidgetInfo>(); 2471 HashMap<Long, FolderInfo> folders = new HashMap<Long, FolderInfo>(); 2472 HashMap<Long, ItemInfo> itemsIdMap = new HashMap<Long, ItemInfo>(); 2473 ArrayList<Long> orderedScreenIds = new ArrayList<Long>(); 2474 synchronized (sBgLock) { 2475 workspaceItems.addAll(sBgWorkspaceItems); 2476 appWidgets.addAll(sBgAppWidgets); 2477 folders.putAll(sBgFolders); 2478 itemsIdMap.putAll(sBgItemsIdMap); 2479 orderedScreenIds.addAll(sBgWorkspaceScreens); 2480 } 2481 2482 final boolean isLoadingSynchronously = 2483 synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE; 2484 int currScreen = isLoadingSynchronously ? synchronizeBindPage : 2485 oldCallbacks.getCurrentWorkspaceScreen(); 2486 if (currScreen >= orderedScreenIds.size()) { 2487 // There may be no workspace screens (just hotseat items and an empty page). 2488 currScreen = PagedView.INVALID_RESTORE_PAGE; 2489 } 2490 final int currentScreen = currScreen; 2491 final long currentScreenId = currentScreen < 0 2492 ? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen); 2493 2494 // Load all the items that are on the current page first (and in the process, unbind 2495 // all the existing workspace items before we call startBinding() below. 2496 unbindWorkspaceItemsOnMainThread(); 2497 2498 // Separate the items that are on the current screen, and all the other remaining items 2499 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 2500 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 2501 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 2502 new ArrayList<LauncherAppWidgetInfo>(); 2503 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 2504 new ArrayList<LauncherAppWidgetInfo>(); 2505 HashMap<Long, FolderInfo> currentFolders = new HashMap<Long, FolderInfo>(); 2506 HashMap<Long, FolderInfo> otherFolders = new HashMap<Long, FolderInfo>(); 2507 2508 filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems, 2509 otherWorkspaceItems); 2510 filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets, 2511 otherAppWidgets); 2512 filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders, 2513 otherFolders); 2514 sortWorkspaceItemsSpatially(currentWorkspaceItems); 2515 sortWorkspaceItemsSpatially(otherWorkspaceItems); 2516 2517 // Tell the workspace that we're about to start binding items 2518 r = new Runnable() { 2519 public void run() { 2520 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2521 if (callbacks != null) { 2522 callbacks.startBinding(); 2523 } 2524 } 2525 }; 2526 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2527 2528 bindWorkspaceScreens(oldCallbacks, orderedScreenIds); 2529 2530 // Load items on the current page 2531 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 2532 currentFolders, null); 2533 if (isLoadingSynchronously) { 2534 r = new Runnable() { 2535 public void run() { 2536 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2537 if (callbacks != null && currentScreen != PagedView.INVALID_RESTORE_PAGE) { 2538 callbacks.onPageBoundSynchronously(currentScreen); 2539 } 2540 } 2541 }; 2542 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2543 } 2544 2545 // Load all the remaining pages (if we are loading synchronously, we want to defer this 2546 // work until after the first render) 2547 synchronized (mDeferredBindRunnables) { 2548 mDeferredBindRunnables.clear(); 2549 } 2550 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, 2551 (isLoadingSynchronously ? mDeferredBindRunnables : null)); 2552 2553 // Tell the workspace that we're done binding items 2554 r = new Runnable() { 2555 public void run() { 2556 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2557 if (callbacks != null) { 2558 callbacks.finishBindingItems(isUpgradePath); 2559 } 2560 2561 // If we're profiling, ensure this is the last thing in the queue. 2562 if (DEBUG_LOADERS) { 2563 Log.d(TAG, "bound workspace in " 2564 + (SystemClock.uptimeMillis()-t) + "ms"); 2565 } 2566 2567 mIsLoadingAndBindingWorkspace = false; 2568 } 2569 }; 2570 if (isLoadingSynchronously) { 2571 synchronized (mDeferredBindRunnables) { 2572 mDeferredBindRunnables.add(r); 2573 } 2574 } else { 2575 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2576 } 2577 } 2578 2579 private void loadAndBindAllApps() { 2580 if (DEBUG_LOADERS) { 2581 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 2582 } 2583 if (!mAllAppsLoaded) { 2584 loadAllApps(); 2585 synchronized (LoaderTask.this) { 2586 if (mStopped) { 2587 return; 2588 } 2589 mAllAppsLoaded = true; 2590 } 2591 } else { 2592 onlyBindAllApps(); 2593 } 2594 } 2595 2596 private void onlyBindAllApps() { 2597 final Callbacks oldCallbacks = mCallbacks.get(); 2598 if (oldCallbacks == null) { 2599 // This launcher has exited and nobody bothered to tell us. Just bail. 2600 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 2601 return; 2602 } 2603 2604 // shallow copy 2605 @SuppressWarnings("unchecked") 2606 final ArrayList<AppInfo> list 2607 = (ArrayList<AppInfo>) mBgAllAppsList.data.clone(); 2608 Runnable r = new Runnable() { 2609 public void run() { 2610 final long t = SystemClock.uptimeMillis(); 2611 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2612 if (callbacks != null) { 2613 callbacks.bindAllApplications(list); 2614 } 2615 if (DEBUG_LOADERS) { 2616 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 2617 + (SystemClock.uptimeMillis()-t) + "ms"); 2618 } 2619 } 2620 }; 2621 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 2622 if (isRunningOnMainThread) { 2623 r.run(); 2624 } else { 2625 mHandler.post(r); 2626 } 2627 } 2628 2629 private void loadAllApps() { 2630 final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2631 2632 final Callbacks oldCallbacks = mCallbacks.get(); 2633 if (oldCallbacks == null) { 2634 // This launcher has exited and nobody bothered to tell us. Just bail. 2635 Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); 2636 return; 2637 } 2638 2639 final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 2640 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2641 2642 final List<UserHandleCompat> profiles = mUserManager.getUserProfiles(); 2643 2644 // Clear the list of apps 2645 mBgAllAppsList.clear(); 2646 for (UserHandleCompat user : profiles) { 2647 // Query for the set of apps 2648 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2649 List<LauncherActivityInfoCompat> apps = mLauncherApps.getActivityList(null, user); 2650 if (DEBUG_LOADERS) { 2651 Log.d(TAG, "getActivityList took " 2652 + (SystemClock.uptimeMillis()-qiaTime) + "ms for user " + user); 2653 Log.d(TAG, "getActivityList got " + apps.size() + " apps for user " + user); 2654 } 2655 // Fail if we don't have any apps 2656 if (apps == null || apps.isEmpty()) { 2657 return; 2658 } 2659 // Sort the applications by name 2660 final long sortTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2661 Collections.sort(apps, 2662 new LauncherModel.ShortcutNameComparator(mLabelCache)); 2663 if (DEBUG_LOADERS) { 2664 Log.d(TAG, "sort took " 2665 + (SystemClock.uptimeMillis()-sortTime) + "ms"); 2666 } 2667 2668 // Create the ApplicationInfos 2669 for (int i = 0; i < apps.size(); i++) { 2670 LauncherActivityInfoCompat app = apps.get(i); 2671 // This builds the icon bitmaps. 2672 mBgAllAppsList.add(new AppInfo(mContext, app, user, mIconCache, mLabelCache)); 2673 } 2674 } 2675 // Huh? Shouldn't this be inside the Runnable below? 2676 final ArrayList<AppInfo> added = mBgAllAppsList.added; 2677 mBgAllAppsList.added = new ArrayList<AppInfo>(); 2678 2679 // Post callback on main thread 2680 mHandler.post(new Runnable() { 2681 public void run() { 2682 final long bindTime = SystemClock.uptimeMillis(); 2683 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2684 if (callbacks != null) { 2685 callbacks.bindAllApplications(added); 2686 if (DEBUG_LOADERS) { 2687 Log.d(TAG, "bound " + added.size() + " apps in " 2688 + (SystemClock.uptimeMillis() - bindTime) + "ms"); 2689 } 2690 } else { 2691 Log.i(TAG, "not binding apps: no Launcher activity"); 2692 } 2693 } 2694 }); 2695 2696 if (DEBUG_LOADERS) { 2697 Log.d(TAG, "Icons processed in " 2698 + (SystemClock.uptimeMillis() - loadTime) + "ms"); 2699 } 2700 } 2701 2702 public void dumpState() { 2703 synchronized (sBgLock) { 2704 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 2705 Log.d(TAG, "mLoaderTask.mIsLaunching=" + mIsLaunching); 2706 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 2707 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 2708 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 2709 } 2710 } 2711 } 2712 2713 void enqueuePackageUpdated(PackageUpdatedTask task) { 2714 sWorker.post(task); 2715 } 2716 2717 private class PackageUpdatedTask implements Runnable { 2718 int mOp; 2719 String[] mPackages; 2720 UserHandleCompat mUser; 2721 2722 public static final int OP_NONE = 0; 2723 public static final int OP_ADD = 1; 2724 public static final int OP_UPDATE = 2; 2725 public static final int OP_REMOVE = 3; // uninstlled 2726 public static final int OP_UNAVAILABLE = 4; // external media unmounted 2727 2728 2729 public PackageUpdatedTask(int op, String[] packages, UserHandleCompat user) { 2730 mOp = op; 2731 mPackages = packages; 2732 mUser = user; 2733 } 2734 2735 public void run() { 2736 final Context context = mApp.getContext(); 2737 2738 final String[] packages = mPackages; 2739 final int N = packages.length; 2740 switch (mOp) { 2741 case OP_ADD: 2742 for (int i=0; i<N; i++) { 2743 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 2744 mIconCache.remove(packages[i], mUser); 2745 mBgAllAppsList.addPackage(context, packages[i], mUser); 2746 } 2747 break; 2748 case OP_UPDATE: 2749 for (int i=0; i<N; i++) { 2750 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 2751 mBgAllAppsList.updatePackage(context, packages[i], mUser); 2752 WidgetPreviewLoader.removePackageFromDb( 2753 mApp.getWidgetPreviewCacheDb(), packages[i]); 2754 } 2755 break; 2756 case OP_REMOVE: 2757 case OP_UNAVAILABLE: 2758 for (int i=0; i<N; i++) { 2759 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 2760 mBgAllAppsList.removePackage(packages[i], mUser); 2761 WidgetPreviewLoader.removePackageFromDb( 2762 mApp.getWidgetPreviewCacheDb(), packages[i]); 2763 } 2764 break; 2765 } 2766 2767 ArrayList<AppInfo> added = null; 2768 ArrayList<AppInfo> modified = null; 2769 final ArrayList<AppInfo> removedApps = new ArrayList<AppInfo>(); 2770 2771 if (mBgAllAppsList.added.size() > 0) { 2772 added = new ArrayList<AppInfo>(mBgAllAppsList.added); 2773 mBgAllAppsList.added.clear(); 2774 } 2775 if (mBgAllAppsList.modified.size() > 0) { 2776 modified = new ArrayList<AppInfo>(mBgAllAppsList.modified); 2777 mBgAllAppsList.modified.clear(); 2778 } 2779 if (mBgAllAppsList.removed.size() > 0) { 2780 removedApps.addAll(mBgAllAppsList.removed); 2781 mBgAllAppsList.removed.clear(); 2782 } 2783 2784 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 2785 if (callbacks == null) { 2786 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 2787 return; 2788 } 2789 2790 if (added != null) { 2791 // Ensure that we add all the workspace applications to the db 2792 if (LauncherAppState.isDisableAllApps()) { 2793 final ArrayList<ItemInfo> addedInfos = new ArrayList<ItemInfo>(added); 2794 addAndBindAddedWorkspaceApps(context, addedInfos); 2795 } else { 2796 addAppsToAllApps(context, added); 2797 } 2798 } 2799 2800 if (modified != null) { 2801 final ArrayList<AppInfo> modifiedFinal = modified; 2802 2803 // Update the launcher db to reflect the changes 2804 for (AppInfo a : modifiedFinal) { 2805 ArrayList<ItemInfo> infos = 2806 getItemInfoForComponentName(a.componentName, mUser); 2807 for (ItemInfo i : infos) { 2808 if (isShortcutInfoUpdateable(i)) { 2809 ShortcutInfo info = (ShortcutInfo) i; 2810 info.title = a.title.toString(); 2811 updateItemInDatabase(context, info); 2812 } 2813 } 2814 } 2815 2816 mHandler.post(new Runnable() { 2817 public void run() { 2818 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2819 if (callbacks == cb && cb != null) { 2820 callbacks.bindAppsUpdated(modifiedFinal); 2821 } 2822 } 2823 }); 2824 } 2825 2826 final ArrayList<String> removedPackageNames = 2827 new ArrayList<String>(); 2828 if (mOp == OP_REMOVE) { 2829 // Mark all packages in the broadcast to be removed 2830 removedPackageNames.addAll(Arrays.asList(packages)); 2831 } else if (mOp == OP_UPDATE) { 2832 // Mark disabled packages in the broadcast to be removed 2833 final PackageManager pm = context.getPackageManager(); 2834 for (int i=0; i<N; i++) { 2835 if (isPackageDisabled(context, packages[i], mUser)) { 2836 removedPackageNames.add(packages[i]); 2837 } 2838 } 2839 } 2840 // Remove all the components associated with this package 2841 for (String pn : removedPackageNames) { 2842 ArrayList<ItemInfo> infos = getItemInfoForPackageName(pn, mUser); 2843 for (ItemInfo i : infos) { 2844 deleteItemFromDatabase(context, i); 2845 } 2846 } 2847 // Remove all the specific components 2848 for (AppInfo a : removedApps) { 2849 ArrayList<ItemInfo> infos = getItemInfoForComponentName(a.componentName, mUser); 2850 for (ItemInfo i : infos) { 2851 deleteItemFromDatabase(context, i); 2852 } 2853 } 2854 if (!removedPackageNames.isEmpty() || !removedApps.isEmpty()) { 2855 // Remove any queued items from the install queue 2856 String spKey = LauncherAppState.getSharedPreferencesKey(); 2857 SharedPreferences sp = 2858 context.getSharedPreferences(spKey, Context.MODE_PRIVATE); 2859 InstallShortcutReceiver.removeFromInstallQueue(sp, removedPackageNames); 2860 // Call the components-removed callback 2861 mHandler.post(new Runnable() { 2862 public void run() { 2863 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2864 if (callbacks == cb && cb != null) { 2865 callbacks.bindComponentsRemoved(removedPackageNames, removedApps, mUser); 2866 } 2867 } 2868 }); 2869 } 2870 2871 final ArrayList<Object> widgetsAndShortcuts = 2872 getSortedWidgetsAndShortcuts(context); 2873 mHandler.post(new Runnable() { 2874 @Override 2875 public void run() { 2876 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2877 if (callbacks == cb && cb != null) { 2878 callbacks.bindPackagesUpdated(widgetsAndShortcuts); 2879 } 2880 } 2881 }); 2882 2883 // Write all the logs to disk 2884 mHandler.post(new Runnable() { 2885 public void run() { 2886 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2887 if (callbacks == cb && cb != null) { 2888 callbacks.dumpLogsToLocalData(); 2889 } 2890 } 2891 }); 2892 } 2893 } 2894 2895 // Returns a list of ResolveInfos/AppWindowInfos in sorted order 2896 public static ArrayList<Object> getSortedWidgetsAndShortcuts(Context context) { 2897 PackageManager packageManager = context.getPackageManager(); 2898 final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>(); 2899 widgetsAndShortcuts.addAll(AppWidgetManager.getInstance(context).getInstalledProviders()); 2900 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 2901 widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0)); 2902 Collections.sort(widgetsAndShortcuts, 2903 new LauncherModel.WidgetAndShortcutNameComparator(packageManager)); 2904 return widgetsAndShortcuts; 2905 } 2906 2907 private static boolean isPackageDisabled(Context context, String packageName, 2908 UserHandleCompat user) { 2909 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 2910 return !launcherApps.isPackageEnabledForProfile(packageName, user); 2911 } 2912 2913 public static boolean isValidPackageActivity(Context context, ComponentName cn, 2914 UserHandleCompat user) { 2915 if (cn == null) { 2916 return false; 2917 } 2918 final LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(context); 2919 if (!launcherApps.isPackageEnabledForProfile(cn.getPackageName(), user)) { 2920 return false; 2921 } 2922 return launcherApps.isActivityEnabledForProfile(cn, user); 2923 } 2924 2925 /** 2926 * Make an ShortcutInfo object for a restored application or shortcut item that points 2927 * to a package that is not yet installed on the system. 2928 */ 2929 public ShortcutInfo getRestoredItemInfo(Cursor cursor, int titleIndex, Intent intent) { 2930 final ShortcutInfo info = new ShortcutInfo(); 2931 if (cursor != null) { 2932 info.title = cursor.getString(titleIndex); 2933 } else { 2934 info.title = ""; 2935 } 2936 info.user = UserHandleCompat.myUserHandle(); 2937 info.setIcon(mIconCache.getIcon(intent, info.title.toString(), info.user)); 2938 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 2939 info.restoredIntent = intent; 2940 return info; 2941 } 2942 2943 /** 2944 * Make an Intent object for a restored application or shortcut item that points 2945 * to the market page for the item. 2946 */ 2947 private Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) { 2948 final boolean debug = false; 2949 ComponentName componentName = intent.getComponent(); 2950 Intent marketIntent = new Intent(Intent.ACTION_VIEW); 2951 Uri marketUri = new Uri.Builder() 2952 .scheme("market") 2953 .authority("details") 2954 .appendQueryParameter("id", componentName.getPackageName()) 2955 .build(); 2956 if (debug) Log.d(TAG, "manufactured intent uri: " + marketUri.toString()); 2957 marketIntent.setData(marketUri); 2958 return marketIntent; 2959 } 2960 2961 /** 2962 * This is called from the code that adds shortcuts from the intent receiver. This 2963 * doesn't have a Cursor, but 2964 */ 2965 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, 2966 UserHandleCompat user, Context context) { 2967 return getShortcutInfo(manager, intent, user, context, null, -1, -1, null); 2968 } 2969 2970 /** 2971 * Make an ShortcutInfo object for a shortcut that is an application. 2972 * 2973 * If c is not null, then it will be used to fill in missing data like the title and icon. 2974 */ 2975 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, 2976 UserHandleCompat user, Context context, Cursor c, int iconIndex, int titleIndex, 2977 HashMap<Object, CharSequence> labelCache) { 2978 if (user == null) { 2979 Log.d(TAG, "Null user found in getShortcutInfo"); 2980 return null; 2981 } 2982 2983 ComponentName componentName = intent.getComponent(); 2984 if (componentName == null) { 2985 Log.d(TAG, "Missing component found in getShortcutInfo: " + componentName); 2986 return null; 2987 } 2988 2989 Intent newIntent = new Intent(intent.getAction(), null); 2990 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2991 newIntent.setComponent(componentName); 2992 LauncherActivityInfoCompat lai = mLauncherApps.resolveActivity(newIntent, user); 2993 if (lai == null) { 2994 Log.d(TAG, "Missing activity found in getShortcutInfo: " + componentName); 2995 return null; 2996 } 2997 2998 final ShortcutInfo info = new ShortcutInfo(); 2999 3000 // the resource -- This may implicitly give us back the fallback icon, 3001 // but don't worry about that. All we're doing with usingFallbackIcon is 3002 // to avoid saving lots of copies of that in the database, and most apps 3003 // have icons anyway. 3004 Bitmap icon = mIconCache.getIcon(componentName, lai, labelCache); 3005 3006 // the db 3007 if (icon == null) { 3008 if (c != null) { 3009 icon = getIconFromCursor(c, iconIndex, context); 3010 } 3011 } 3012 // the fallback icon 3013 if (icon == null) { 3014 icon = mIconCache.getDefaultIcon(user); 3015 info.usingFallbackIcon = true; 3016 } 3017 info.setIcon(icon); 3018 3019 // From the cache. 3020 if (labelCache != null) { 3021 info.title = labelCache.get(componentName); 3022 } 3023 3024 // from the resource 3025 if (info.title == null && lai != null) { 3026 info.title = lai.getLabel(); 3027 if (labelCache != null) { 3028 labelCache.put(componentName, info.title); 3029 } 3030 } 3031 // from the db 3032 if (info.title == null) { 3033 if (c != null) { 3034 info.title = c.getString(titleIndex); 3035 } 3036 } 3037 // fall back to the class name of the activity 3038 if (info.title == null) { 3039 info.title = componentName.getClassName(); 3040 } 3041 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 3042 info.user = user; 3043 return info; 3044 } 3045 3046 static ArrayList<ItemInfo> filterItemInfos(Collection<ItemInfo> infos, 3047 ItemInfoFilter f) { 3048 HashSet<ItemInfo> filtered = new HashSet<ItemInfo>(); 3049 for (ItemInfo i : infos) { 3050 if (i instanceof ShortcutInfo) { 3051 ShortcutInfo info = (ShortcutInfo) i; 3052 ComponentName cn = info.intent.getComponent(); 3053 if (cn != null && f.filterItem(null, info, cn)) { 3054 filtered.add(info); 3055 } 3056 } else if (i instanceof FolderInfo) { 3057 FolderInfo info = (FolderInfo) i; 3058 for (ShortcutInfo s : info.contents) { 3059 ComponentName cn = s.intent.getComponent(); 3060 if (cn != null && f.filterItem(info, s, cn)) { 3061 filtered.add(s); 3062 } 3063 } 3064 } else if (i instanceof LauncherAppWidgetInfo) { 3065 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; 3066 ComponentName cn = info.providerName; 3067 if (cn != null && f.filterItem(null, info, cn)) { 3068 filtered.add(info); 3069 } 3070 } 3071 } 3072 return new ArrayList<ItemInfo>(filtered); 3073 } 3074 3075 private ArrayList<ItemInfo> getItemInfoForPackageName(final String pn, 3076 final UserHandleCompat user) { 3077 ItemInfoFilter filter = new ItemInfoFilter() { 3078 @Override 3079 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 3080 return cn.getPackageName().equals(pn) && info.user.equals(user); 3081 } 3082 }; 3083 return filterItemInfos(sBgItemsIdMap.values(), filter); 3084 } 3085 3086 private ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname, 3087 final UserHandleCompat user) { 3088 ItemInfoFilter filter = new ItemInfoFilter() { 3089 @Override 3090 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 3091 if (info.user == null) { 3092 return cn.equals(cname); 3093 } else { 3094 return cn.equals(cname) && info.user.equals(user); 3095 } 3096 } 3097 }; 3098 return filterItemInfos(sBgItemsIdMap.values(), filter); 3099 } 3100 3101 public static boolean isShortcutInfoUpdateable(ItemInfo i) { 3102 if (i instanceof ShortcutInfo) { 3103 ShortcutInfo info = (ShortcutInfo) i; 3104 // We need to check for ACTION_MAIN otherwise getComponent() might 3105 // return null for some shortcuts (for instance, for shortcuts to 3106 // web pages.) 3107 Intent intent = info.intent; 3108 ComponentName name = intent.getComponent(); 3109 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 3110 Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 3111 return true; 3112 } 3113 // placeholder shortcuts get special treatment, let them through too. 3114 if (info.getRestoredIntent() != null) { 3115 return true; 3116 } 3117 } 3118 return false; 3119 } 3120 3121 /** 3122 * Make an ShortcutInfo object for a shortcut that isn't an application. 3123 */ 3124 private ShortcutInfo getShortcutInfo(Cursor c, Context context, 3125 int iconTypeIndex, int iconPackageIndex, int iconResourceIndex, int iconIndex, 3126 int titleIndex) { 3127 3128 Bitmap icon = null; 3129 final ShortcutInfo info = new ShortcutInfo(); 3130 // Non-app shortcuts are only supported for current user. 3131 info.user = UserHandleCompat.myUserHandle(); 3132 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 3133 3134 // TODO: If there's an explicit component and we can't install that, delete it. 3135 3136 info.title = c.getString(titleIndex); 3137 3138 int iconType = c.getInt(iconTypeIndex); 3139 switch (iconType) { 3140 case LauncherSettings.Favorites.ICON_TYPE_RESOURCE: 3141 String packageName = c.getString(iconPackageIndex); 3142 String resourceName = c.getString(iconResourceIndex); 3143 PackageManager packageManager = context.getPackageManager(); 3144 info.customIcon = false; 3145 // the resource 3146 try { 3147 Resources resources = packageManager.getResourcesForApplication(packageName); 3148 if (resources != null) { 3149 final int id = resources.getIdentifier(resourceName, null, null); 3150 icon = Utilities.createIconBitmap( 3151 mIconCache.getFullResIcon(resources, id), context); 3152 } 3153 } catch (Exception e) { 3154 // drop this. we have other places to look for icons 3155 } 3156 // the db 3157 if (icon == null) { 3158 icon = getIconFromCursor(c, iconIndex, context); 3159 } 3160 // the fallback icon 3161 if (icon == null) { 3162 icon = mIconCache.getDefaultIcon(info.user); 3163 info.usingFallbackIcon = true; 3164 } 3165 break; 3166 case LauncherSettings.Favorites.ICON_TYPE_BITMAP: 3167 icon = getIconFromCursor(c, iconIndex, context); 3168 if (icon == null) { 3169 icon = mIconCache.getDefaultIcon(info.user); 3170 info.customIcon = false; 3171 info.usingFallbackIcon = true; 3172 } else { 3173 info.customIcon = true; 3174 } 3175 break; 3176 default: 3177 icon = mIconCache.getDefaultIcon(info.user); 3178 info.usingFallbackIcon = true; 3179 info.customIcon = false; 3180 break; 3181 } 3182 info.setIcon(icon); 3183 return info; 3184 } 3185 3186 Bitmap getIconFromCursor(Cursor c, int iconIndex, Context context) { 3187 @SuppressWarnings("all") // suppress dead code warning 3188 final boolean debug = false; 3189 if (debug) { 3190 Log.d(TAG, "getIconFromCursor app=" 3191 + c.getString(c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE))); 3192 } 3193 byte[] data = c.getBlob(iconIndex); 3194 try { 3195 return Utilities.createIconBitmap( 3196 BitmapFactory.decodeByteArray(data, 0, data.length), context); 3197 } catch (Exception e) { 3198 return null; 3199 } 3200 } 3201 3202 ShortcutInfo addShortcut(Context context, Intent data, long container, int screen, 3203 int cellX, int cellY, boolean notify) { 3204 final ShortcutInfo info = infoFromShortcutIntent(context, data, null); 3205 if (info == null) { 3206 return null; 3207 } 3208 addItemToDatabase(context, info, container, screen, cellX, cellY, notify); 3209 3210 return info; 3211 } 3212 3213 /** 3214 * Attempts to find an AppWidgetProviderInfo that matches the given component. 3215 */ 3216 AppWidgetProviderInfo findAppWidgetProviderInfoWithComponent(Context context, 3217 ComponentName component) { 3218 List<AppWidgetProviderInfo> widgets = 3219 AppWidgetManager.getInstance(context).getInstalledProviders(); 3220 for (AppWidgetProviderInfo info : widgets) { 3221 if (info.provider.equals(component)) { 3222 return info; 3223 } 3224 } 3225 return null; 3226 } 3227 3228 /** 3229 * Returns a list of all the widgets that can handle configuration with a particular mimeType. 3230 */ 3231 List<WidgetMimeTypeHandlerData> resolveWidgetsForMimeType(Context context, String mimeType) { 3232 final PackageManager packageManager = context.getPackageManager(); 3233 final List<WidgetMimeTypeHandlerData> supportedConfigurationActivities = 3234 new ArrayList<WidgetMimeTypeHandlerData>(); 3235 3236 final Intent supportsIntent = 3237 new Intent(InstallWidgetReceiver.ACTION_SUPPORTS_CLIPDATA_MIMETYPE); 3238 supportsIntent.setType(mimeType); 3239 3240 // Create a set of widget configuration components that we can test against 3241 final List<AppWidgetProviderInfo> widgets = 3242 AppWidgetManager.getInstance(context).getInstalledProviders(); 3243 final HashMap<ComponentName, AppWidgetProviderInfo> configurationComponentToWidget = 3244 new HashMap<ComponentName, AppWidgetProviderInfo>(); 3245 for (AppWidgetProviderInfo info : widgets) { 3246 configurationComponentToWidget.put(info.configure, info); 3247 } 3248 3249 // Run through each of the intents that can handle this type of clip data, and cross 3250 // reference them with the components that are actual configuration components 3251 final List<ResolveInfo> activities = packageManager.queryIntentActivities(supportsIntent, 3252 PackageManager.MATCH_DEFAULT_ONLY); 3253 for (ResolveInfo info : activities) { 3254 final ActivityInfo activityInfo = info.activityInfo; 3255 final ComponentName infoComponent = new ComponentName(activityInfo.packageName, 3256 activityInfo.name); 3257 if (configurationComponentToWidget.containsKey(infoComponent)) { 3258 supportedConfigurationActivities.add( 3259 new InstallWidgetReceiver.WidgetMimeTypeHandlerData(info, 3260 configurationComponentToWidget.get(infoComponent))); 3261 } 3262 } 3263 return supportedConfigurationActivities; 3264 } 3265 3266 ShortcutInfo infoFromShortcutIntent(Context context, Intent data, Bitmap fallbackIcon) { 3267 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 3268 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 3269 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 3270 3271 if (intent == null) { 3272 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 3273 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 3274 return null; 3275 } 3276 3277 Bitmap icon = null; 3278 boolean customIcon = false; 3279 ShortcutIconResource iconResource = null; 3280 3281 if (bitmap != null && bitmap instanceof Bitmap) { 3282 icon = Utilities.createIconBitmap(new FastBitmapDrawable((Bitmap)bitmap), context); 3283 customIcon = true; 3284 } else { 3285 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 3286 if (extra != null && extra instanceof ShortcutIconResource) { 3287 try { 3288 iconResource = (ShortcutIconResource) extra; 3289 final PackageManager packageManager = context.getPackageManager(); 3290 Resources resources = packageManager.getResourcesForApplication( 3291 iconResource.packageName); 3292 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 3293 icon = Utilities.createIconBitmap( 3294 mIconCache.getFullResIcon(resources, id), 3295 context); 3296 } catch (Exception e) { 3297 Log.w(TAG, "Could not load shortcut icon: " + extra); 3298 } 3299 } 3300 } 3301 3302 final ShortcutInfo info = new ShortcutInfo(); 3303 3304 // Only support intents for current user for now. Intents sent from other 3305 // users wouldn't get here without intent forwarding anyway. 3306 info.user = UserHandleCompat.myUserHandle(); 3307 if (icon == null) { 3308 if (fallbackIcon != null) { 3309 icon = fallbackIcon; 3310 } else { 3311 icon = mIconCache.getDefaultIcon(info.user); 3312 info.usingFallbackIcon = true; 3313 } 3314 } 3315 info.setIcon(icon); 3316 3317 info.title = name; 3318 info.intent = intent; 3319 info.customIcon = customIcon; 3320 info.iconResource = iconResource; 3321 3322 return info; 3323 } 3324 3325 boolean queueIconToBeChecked(HashMap<Object, byte[]> cache, ShortcutInfo info, Cursor c, 3326 int iconIndex) { 3327 // If apps can't be on SD, don't even bother. 3328 if (!mAppsCanBeOnRemoveableStorage) { 3329 return false; 3330 } 3331 // If this icon doesn't have a custom icon, check to see 3332 // what's stored in the DB, and if it doesn't match what 3333 // we're going to show, store what we are going to show back 3334 // into the DB. We do this so when we're loading, if the 3335 // package manager can't find an icon (for example because 3336 // the app is on SD) then we can use that instead. 3337 if (!info.customIcon && !info.usingFallbackIcon) { 3338 cache.put(info, c.getBlob(iconIndex)); 3339 return true; 3340 } 3341 return false; 3342 } 3343 void updateSavedIcon(Context context, ShortcutInfo info, byte[] data) { 3344 boolean needSave = false; 3345 try { 3346 if (data != null) { 3347 Bitmap saved = BitmapFactory.decodeByteArray(data, 0, data.length); 3348 Bitmap loaded = info.getIcon(mIconCache); 3349 needSave = !saved.sameAs(loaded); 3350 } else { 3351 needSave = true; 3352 } 3353 } catch (Exception e) { 3354 needSave = true; 3355 } 3356 if (needSave) { 3357 Log.d(TAG, "going to save icon bitmap for info=" + info); 3358 // This is slower than is ideal, but this only happens once 3359 // or when the app is updated with a new icon. 3360 updateItemInDatabase(context, info); 3361 } 3362 } 3363 3364 /** 3365 * Return an existing FolderInfo object if we have encountered this ID previously, 3366 * or make a new one. 3367 */ 3368 private static FolderInfo findOrMakeFolder(HashMap<Long, FolderInfo> folders, long id) { 3369 // See if a placeholder was created for us already 3370 FolderInfo folderInfo = folders.get(id); 3371 if (folderInfo == null) { 3372 // No placeholder -- create a new instance 3373 folderInfo = new FolderInfo(); 3374 folders.put(id, folderInfo); 3375 } 3376 return folderInfo; 3377 } 3378 3379 public static final Comparator<AppInfo> getAppNameComparator() { 3380 final Collator collator = Collator.getInstance(); 3381 return new Comparator<AppInfo>() { 3382 public final int compare(AppInfo a, AppInfo b) { 3383 if (a.user.equals(b.user)) { 3384 int result = collator.compare(a.title.toString().trim(), 3385 b.title.toString().trim()); 3386 if (result == 0) { 3387 result = a.componentName.compareTo(b.componentName); 3388 } 3389 return result; 3390 } else { 3391 // TODO Need to figure out rules for sorting 3392 // profiles, this puts work second. 3393 return a.user.toString().compareTo(b.user.toString()); 3394 } 3395 } 3396 }; 3397 } 3398 public static final Comparator<AppInfo> APP_INSTALL_TIME_COMPARATOR 3399 = new Comparator<AppInfo>() { 3400 public final int compare(AppInfo a, AppInfo b) { 3401 if (a.firstInstallTime < b.firstInstallTime) return 1; 3402 if (a.firstInstallTime > b.firstInstallTime) return -1; 3403 return 0; 3404 } 3405 }; 3406 public static final Comparator<AppWidgetProviderInfo> getWidgetNameComparator() { 3407 final Collator collator = Collator.getInstance(); 3408 return new Comparator<AppWidgetProviderInfo>() { 3409 public final int compare(AppWidgetProviderInfo a, AppWidgetProviderInfo b) { 3410 return collator.compare(a.label.toString().trim(), b.label.toString().trim()); 3411 } 3412 }; 3413 } 3414 static ComponentName getComponentNameFromResolveInfo(ResolveInfo info) { 3415 if (info.activityInfo != null) { 3416 return new ComponentName(info.activityInfo.packageName, info.activityInfo.name); 3417 } else { 3418 return new ComponentName(info.serviceInfo.packageName, info.serviceInfo.name); 3419 } 3420 } 3421 public static class ShortcutNameComparator implements Comparator<LauncherActivityInfoCompat> { 3422 private Collator mCollator; 3423 private HashMap<Object, CharSequence> mLabelCache; 3424 ShortcutNameComparator(PackageManager pm) { 3425 mLabelCache = new HashMap<Object, CharSequence>(); 3426 mCollator = Collator.getInstance(); 3427 } 3428 ShortcutNameComparator(HashMap<Object, CharSequence> labelCache) { 3429 mLabelCache = labelCache; 3430 mCollator = Collator.getInstance(); 3431 } 3432 public final int compare(LauncherActivityInfoCompat a, LauncherActivityInfoCompat b) { 3433 CharSequence labelA, labelB; 3434 ComponentName keyA = a.getComponentName(); 3435 ComponentName keyB = b.getComponentName(); 3436 if (mLabelCache.containsKey(keyA)) { 3437 labelA = mLabelCache.get(keyA); 3438 } else { 3439 labelA = a.getLabel().toString().trim(); 3440 3441 mLabelCache.put(keyA, labelA); 3442 } 3443 if (mLabelCache.containsKey(keyB)) { 3444 labelB = mLabelCache.get(keyB); 3445 } else { 3446 labelB = b.getLabel().toString().trim(); 3447 3448 mLabelCache.put(keyB, labelB); 3449 } 3450 return mCollator.compare(labelA, labelB); 3451 } 3452 }; 3453 public static class WidgetAndShortcutNameComparator implements Comparator<Object> { 3454 private Collator mCollator; 3455 private PackageManager mPackageManager; 3456 private HashMap<Object, String> mLabelCache; 3457 WidgetAndShortcutNameComparator(PackageManager pm) { 3458 mPackageManager = pm; 3459 mLabelCache = new HashMap<Object, String>(); 3460 mCollator = Collator.getInstance(); 3461 } 3462 public final int compare(Object a, Object b) { 3463 String labelA, labelB; 3464 if (mLabelCache.containsKey(a)) { 3465 labelA = mLabelCache.get(a); 3466 } else { 3467 labelA = (a instanceof AppWidgetProviderInfo) ? 3468 ((AppWidgetProviderInfo) a).label : 3469 ((ResolveInfo) a).loadLabel(mPackageManager).toString().trim(); 3470 mLabelCache.put(a, labelA); 3471 } 3472 if (mLabelCache.containsKey(b)) { 3473 labelB = mLabelCache.get(b); 3474 } else { 3475 labelB = (b instanceof AppWidgetProviderInfo) ? 3476 ((AppWidgetProviderInfo) b).label : 3477 ((ResolveInfo) b).loadLabel(mPackageManager).toString().trim(); 3478 mLabelCache.put(b, labelB); 3479 } 3480 return mCollator.compare(labelA, labelB); 3481 } 3482 }; 3483 3484 public void dumpState() { 3485 Log.d(TAG, "mCallbacks=" + mCallbacks); 3486 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 3487 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 3488 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 3489 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 3490 if (mLoaderTask != null) { 3491 mLoaderTask.dumpState(); 3492 } else { 3493 Log.d(TAG, "mLoaderTask=null"); 3494 } 3495 } 3496} 3497