LauncherModel.java revision b6d4c2827a1514432b5eda46ff7d484d6cf244ac
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.InstallWidgetReceiver.WidgetMimeTypeHandlerData; 48 49import java.lang.ref.WeakReference; 50import java.net.URISyntaxException; 51import java.text.Collator; 52import java.util.ArrayList; 53import java.util.Arrays; 54import java.util.Collection; 55import java.util.Collections; 56import java.util.Comparator; 57import java.util.HashMap; 58import java.util.HashSet; 59import java.util.Iterator; 60import java.util.List; 61import java.util.Set; 62import java.util.TreeMap; 63import java.util.concurrent.atomic.AtomicBoolean; 64 65/** 66 * Maintains in-memory state of the Launcher. It is expected that there should be only one 67 * LauncherModel object held in a static. Also provide APIs for updating the database state 68 * for the Launcher. 69 */ 70public class LauncherModel extends BroadcastReceiver { 71 static final boolean DEBUG_LOADERS = false; 72 static final String TAG = "Launcher.Model"; 73 74 // true = use a "More Apps" folder for non-workspace apps on upgrade 75 // false = strew non-workspace apps across the workspace on upgrade 76 public static final boolean UPGRADE_USE_MORE_APPS_FOLDER = false; 77 78 public static final int LOADER_FLAG_NONE = 0; 79 public static final int LOADER_FLAG_CLEAR_WORKSPACE = 1 << 0; 80 public static final int LOADER_FLAG_MIGRATE_SHORTCUTS = 1 << 1; 81 82 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 83 private static final long INVALID_SCREEN_ID = -1L; 84 85 private final boolean mAppsCanBeOnRemoveableStorage; 86 private final boolean mOldContentProviderExists; 87 88 private final LauncherAppState mApp; 89 private final Object mLock = new Object(); 90 private DeferredHandler mHandler = new DeferredHandler(); 91 private LoaderTask mLoaderTask; 92 private boolean mIsLoaderTaskRunning; 93 private volatile boolean mFlushingWorkerThread; 94 95 // Specific runnable types that are run on the main thread deferred handler, this allows us to 96 // clear all queued binding runnables when the Launcher activity is destroyed. 97 private static final int MAIN_THREAD_NORMAL_RUNNABLE = 0; 98 private static final int MAIN_THREAD_BINDING_RUNNABLE = 1; 99 100 101 private static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 102 static { 103 sWorkerThread.start(); 104 } 105 private static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 106 107 // We start off with everything not loaded. After that, we assume that 108 // our monitoring of the package manager provides all updates and we never 109 // need to do a requery. These are only ever touched from the loader thread. 110 private boolean mWorkspaceLoaded; 111 private boolean mAllAppsLoaded; 112 113 // When we are loading pages synchronously, we can't just post the binding of items on the side 114 // pages as this delays the rotation process. Instead, we wait for a callback from the first 115 // draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start 116 // a normal load, we also clear this set of Runnables. 117 static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>(); 118 119 private WeakReference<Callbacks> mCallbacks; 120 121 // < only access in worker thread > 122 AllAppsList mBgAllAppsList; 123 124 // The lock that must be acquired before referencing any static bg data structures. Unlike 125 // other locks, this one can generally be held long-term because we never expect any of these 126 // static data structures to be referenced outside of the worker thread except on the first 127 // load after configuration change. 128 static final Object sBgLock = new Object(); 129 130 // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 131 // LauncherModel to their ids 132 static final HashMap<Long, ItemInfo> sBgItemsIdMap = new HashMap<Long, ItemInfo>(); 133 134 // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts 135 // created by LauncherModel that are directly on the home screen (however, no widgets or 136 // shortcuts within folders). 137 static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>(); 138 139 // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 140 static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets = 141 new ArrayList<LauncherAppWidgetInfo>(); 142 143 // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 144 static final HashMap<Long, FolderInfo> sBgFolders = new HashMap<Long, FolderInfo>(); 145 146 // sBgDbIconCache is the set of ItemInfos that need to have their icons updated in the database 147 static final HashMap<Object, byte[]> sBgDbIconCache = new HashMap<Object, byte[]>(); 148 149 // sBgWorkspaceScreens is the ordered set of workspace screens. 150 static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>(); 151 152 // </ only access in worker thread > 153 154 private IconCache mIconCache; 155 private Bitmap mDefaultIcon; 156 157 protected int mPreviousConfigMcc; 158 159 public interface Callbacks { 160 public boolean setLoadOnResume(); 161 public int getCurrentWorkspaceScreen(); 162 public void startBinding(); 163 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end, 164 boolean forceAnimateIcons); 165 public void bindScreens(ArrayList<Long> orderedScreenIds); 166 public void bindAddScreens(ArrayList<Long> orderedScreenIds); 167 public void bindFolders(HashMap<Long,FolderInfo> folders); 168 public void finishBindingItems(boolean upgradePath); 169 public void bindAppWidget(LauncherAppWidgetInfo info); 170 public void bindAllApplications(ArrayList<AppInfo> apps); 171 public void bindAppsAdded(ArrayList<Long> newScreens, 172 ArrayList<ItemInfo> addNotAnimated, 173 ArrayList<ItemInfo> addAnimated, 174 ArrayList<AppInfo> addedApps); 175 public void bindAppsUpdated(ArrayList<AppInfo> apps); 176 public void bindComponentsRemoved(ArrayList<String> packageNames, 177 ArrayList<AppInfo> appInfos); 178 public void bindPackagesUpdated(ArrayList<Object> widgetsAndShortcuts); 179 public void bindSearchablesChanged(); 180 public boolean isAllAppsButtonRank(int rank); 181 public void onPageBoundSynchronously(int page); 182 public void dumpLogsToLocalData(); 183 } 184 185 public interface ItemInfoFilter { 186 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn); 187 } 188 189 LauncherModel(LauncherAppState app, IconCache iconCache, AppFilter appFilter) { 190 Context context = app.getContext(); 191 ContentResolver contentResolver = context.getContentResolver(); 192 193 mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable(); 194 mOldContentProviderExists = (contentResolver.acquireContentProviderClient( 195 LauncherSettings.Favorites.OLD_CONTENT_URI) != null); 196 mApp = app; 197 mBgAllAppsList = new AllAppsList(iconCache, appFilter); 198 mIconCache = iconCache; 199 200 final Resources res = context.getResources(); 201 Configuration config = res.getConfiguration(); 202 mPreviousConfigMcc = config.mcc; 203 } 204 205 /** Runs the specified runnable immediately if called from the main thread, otherwise it is 206 * posted on the main thread handler. */ 207 private void runOnMainThread(Runnable r) { 208 runOnMainThread(r, 0); 209 } 210 private void runOnMainThread(Runnable r, int type) { 211 if (sWorkerThread.getThreadId() == Process.myTid()) { 212 // If we are on the worker thread, post onto the main handler 213 mHandler.post(r); 214 } else { 215 r.run(); 216 } 217 } 218 219 /** Runs the specified runnable immediately if called from the worker thread, otherwise it is 220 * posted on the worker thread handler. */ 221 private static void runOnWorkerThread(Runnable r) { 222 if (sWorkerThread.getThreadId() == Process.myTid()) { 223 r.run(); 224 } else { 225 // If we are not on the worker thread, then post to the worker handler 226 sWorker.post(r); 227 } 228 } 229 230 boolean canMigrateFromOldLauncherDb(Launcher launcher) { 231 return mOldContentProviderExists && !launcher.isLauncherPreinstalled() ; 232 } 233 234 static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> items, int[] xy, 235 long screen) { 236 LauncherAppState app = LauncherAppState.getInstance(); 237 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 238 final int xCount = (int) grid.numColumns; 239 final int yCount = (int) grid.numRows; 240 boolean[][] occupied = new boolean[xCount][yCount]; 241 242 int cellX, cellY, spanX, spanY; 243 for (int i = 0; i < items.size(); ++i) { 244 final ItemInfo item = items.get(i); 245 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 246 if (item.screenId == screen) { 247 cellX = item.cellX; 248 cellY = item.cellY; 249 spanX = item.spanX; 250 spanY = item.spanY; 251 for (int x = cellX; 0 <= x && x < cellX + spanX && x < xCount; x++) { 252 for (int y = cellY; 0 <= y && y < cellY + spanY && y < yCount; y++) { 253 occupied[x][y] = true; 254 } 255 } 256 } 257 } 258 } 259 260 return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied); 261 } 262 static Pair<Long, int[]> findNextAvailableIconSpace(Context context, String name, 263 Intent launchIntent, 264 int firstScreenIndex, 265 ArrayList<Long> workspaceScreens) { 266 // Lock on the app so that we don't try and get the items while apps are being added 267 LauncherAppState app = LauncherAppState.getInstance(); 268 LauncherModel model = app.getModel(); 269 boolean found = false; 270 synchronized (app) { 271 if (sWorkerThread.getThreadId() != Process.myTid()) { 272 // Flush the LauncherModel worker thread, so that if we just did another 273 // processInstallShortcut, we give it time for its shortcut to get added to the 274 // database (getItemsInLocalCoordinates reads the database) 275 model.flushWorkerThread(); 276 } 277 final ArrayList<ItemInfo> items = LauncherModel.getItemsInLocalCoordinates(context); 278 279 // Try adding to the workspace screens incrementally, starting at the default or center 280 // screen and alternating between +1, -1, +2, -2, etc. (using ~ ceil(i/2f)*(-1)^(i-1)) 281 firstScreenIndex = Math.min(firstScreenIndex, workspaceScreens.size()); 282 int count = workspaceScreens.size(); 283 for (int screen = firstScreenIndex; screen < count && !found; screen++) { 284 int[] tmpCoordinates = new int[2]; 285 if (findNextAvailableIconSpaceInScreen(items, tmpCoordinates, 286 workspaceScreens.get(screen))) { 287 // Update the Launcher db 288 return new Pair<Long, int[]>(workspaceScreens.get(screen), tmpCoordinates); 289 } 290 } 291 } 292 return null; 293 } 294 295 public void addAppsToAllApps(final Context ctx, final ArrayList<AppInfo> allAppsApps) { 296 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 297 298 if (allAppsApps == null) { 299 throw new RuntimeException("allAppsApps must not be null"); 300 } 301 if (allAppsApps.isEmpty()) { 302 return; 303 } 304 305 final ArrayList<AppInfo> restoredAppsFinal = new ArrayList<AppInfo>(); 306 Iterator<AppInfo> iter = allAppsApps.iterator(); 307 while (iter.hasNext()) { 308 ItemInfo a = iter.next(); 309 if (LauncherModel.appWasRestored(ctx, a.getIntent())) { 310 restoredAppsFinal.add((AppInfo) a); 311 } 312 } 313 314 // Process the newly added applications and add them to the database first 315 Runnable r = new Runnable() { 316 public void run() { 317 runOnMainThread(new Runnable() { 318 public void run() { 319 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 320 if (callbacks == cb && cb != null) { 321 callbacks.bindAppsAdded(null, null, null, allAppsApps); 322 if (!restoredAppsFinal.isEmpty()) { 323 callbacks.bindAppsUpdated(restoredAppsFinal); 324 } 325 } 326 } 327 }); 328 } 329 }; 330 runOnWorkerThread(r); 331 } 332 333 public void addAndBindAddedWorkspaceApps(final Context context, 334 final ArrayList<ItemInfo> workspaceApps) { 335 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 336 337 if (workspaceApps == null) { 338 throw new RuntimeException("workspaceApps and allAppsApps must not be null"); 339 } 340 if (workspaceApps.isEmpty()) { 341 return; 342 } 343 // Process the newly added applications and add them to the database first 344 Runnable r = new Runnable() { 345 public void run() { 346 final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>(); 347 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>(); 348 final ArrayList<AppInfo> restoredAppsFinal = new ArrayList<AppInfo>(); 349 350 // Get the list of workspace screens. We need to append to this list and 351 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been 352 // called. 353 ArrayList<Long> workspaceScreens = new ArrayList<Long>(); 354 TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(context); 355 for (Integer i : orderedScreens.keySet()) { 356 long screenId = orderedScreens.get(i); 357 workspaceScreens.add(screenId); 358 } 359 360 synchronized(sBgLock) { 361 Iterator<ItemInfo> iter = workspaceApps.iterator(); 362 while (iter.hasNext()) { 363 ItemInfo a = iter.next(); 364 final String name = a.title.toString(); 365 final Intent launchIntent = a.getIntent(); 366 367 // Short-circuit this logic if the icon exists somewhere on the workspace 368 if (LauncherModel.shortcutExists(context, name, launchIntent)) { 369 // Only InstallShortcutReceiver sends us shortcutInfos, ignore them 370 if (a instanceof AppInfo && 371 LauncherModel.appWasRestored(context, launchIntent)) { 372 restoredAppsFinal.add((AppInfo) a); 373 } 374 continue; 375 } 376 377 // Add this icon to the db, creating a new page if necessary. If there 378 // is only the empty page then we just add items to the first page. 379 // Otherwise, we add them to the next pages. 380 int startSearchPageIndex = workspaceScreens.isEmpty() ? 0 : 1; 381 Pair<Long, int[]> coords = LauncherModel.findNextAvailableIconSpace(context, 382 name, launchIntent, startSearchPageIndex, workspaceScreens); 383 if (coords == null) { 384 LauncherProvider lp = LauncherAppState.getLauncherProvider(); 385 386 // If we can't find a valid position, then just add a new screen. 387 // This takes time so we need to re-queue the add until the new 388 // page is added. Create as many screens as necessary to satisfy 389 // the startSearchPageIndex. 390 int numPagesToAdd = Math.max(1, startSearchPageIndex + 1 - 391 workspaceScreens.size()); 392 while (numPagesToAdd > 0) { 393 long screenId = lp.generateNewScreenId(); 394 // Save the screen id for binding in the workspace 395 workspaceScreens.add(screenId); 396 addedWorkspaceScreensFinal.add(screenId); 397 numPagesToAdd--; 398 } 399 400 // Find the coordinate again 401 coords = LauncherModel.findNextAvailableIconSpace(context, 402 name, launchIntent, startSearchPageIndex, workspaceScreens); 403 } 404 if (coords == null) { 405 throw new RuntimeException("Coordinates should not be null"); 406 } 407 408 ShortcutInfo shortcutInfo; 409 if (a instanceof ShortcutInfo) { 410 shortcutInfo = (ShortcutInfo) a; 411 } else if (a instanceof AppInfo) { 412 shortcutInfo = ((AppInfo) a).makeShortcut(); 413 } else { 414 throw new RuntimeException("Unexpected info type"); 415 } 416 417 // Add the shortcut to the db 418 addItemToDatabase(context, shortcutInfo, 419 LauncherSettings.Favorites.CONTAINER_DESKTOP, 420 coords.first, coords.second[0], coords.second[1], false); 421 // Save the ShortcutInfo for binding in the workspace 422 addedShortcutsFinal.add(shortcutInfo); 423 } 424 } 425 426 // Update the workspace screens 427 updateWorkspaceScreenOrder(context, workspaceScreens); 428 429 if (!addedShortcutsFinal.isEmpty()) { 430 runOnMainThread(new Runnable() { 431 public void run() { 432 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 433 if (callbacks == cb && cb != null) { 434 final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>(); 435 final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>(); 436 if (!addedShortcutsFinal.isEmpty()) { 437 ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1); 438 long lastScreenId = info.screenId; 439 for (ItemInfo i : addedShortcutsFinal) { 440 if (i.screenId == lastScreenId) { 441 addAnimated.add(i); 442 } else { 443 addNotAnimated.add(i); 444 } 445 } 446 } 447 callbacks.bindAppsAdded(addedWorkspaceScreensFinal, 448 addNotAnimated, addAnimated, null); 449 if (!restoredAppsFinal.isEmpty()) { 450 callbacks.bindAppsUpdated(restoredAppsFinal); 451 } 452 } 453 } 454 }); 455 } 456 } 457 }; 458 runOnWorkerThread(r); 459 } 460 461 public Bitmap getFallbackIcon() { 462 if (mDefaultIcon == null) { 463 final Context context = LauncherAppState.getInstance().getContext(); 464 mDefaultIcon = Utilities.createIconBitmap( 465 mIconCache.getFullResDefaultActivityIcon(), context); 466 } 467 return Bitmap.createBitmap(mDefaultIcon); 468 } 469 470 public void unbindItemInfosAndClearQueuedBindRunnables() { 471 if (sWorkerThread.getThreadId() == Process.myTid()) { 472 throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + 473 "main thread"); 474 } 475 476 // Clear any deferred bind runnables 477 mDeferredBindRunnables.clear(); 478 // Remove any queued bind runnables 479 mHandler.cancelAllRunnablesOfType(MAIN_THREAD_BINDING_RUNNABLE); 480 // Unbind all the workspace items 481 unbindWorkspaceItemsOnMainThread(); 482 } 483 484 /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ 485 void unbindWorkspaceItemsOnMainThread() { 486 // Ensure that we don't use the same workspace items data structure on the main thread 487 // by making a copy of workspace items first. 488 final ArrayList<ItemInfo> tmpWorkspaceItems = new ArrayList<ItemInfo>(); 489 final ArrayList<ItemInfo> tmpAppWidgets = new ArrayList<ItemInfo>(); 490 synchronized (sBgLock) { 491 tmpWorkspaceItems.addAll(sBgWorkspaceItems); 492 tmpAppWidgets.addAll(sBgAppWidgets); 493 } 494 Runnable r = new Runnable() { 495 @Override 496 public void run() { 497 for (ItemInfo item : tmpWorkspaceItems) { 498 item.unbind(); 499 } 500 for (ItemInfo item : tmpAppWidgets) { 501 item.unbind(); 502 } 503 } 504 }; 505 runOnMainThread(r); 506 } 507 508 /** 509 * Adds an item to the DB if it was not created previously, or move it to a new 510 * <container, screen, cellX, cellY> 511 */ 512 static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 513 long screenId, int cellX, int cellY) { 514 if (item.container == ItemInfo.NO_ID) { 515 // From all apps 516 addItemToDatabase(context, item, container, screenId, cellX, cellY, false); 517 } else { 518 // From somewhere else 519 moveItemInDatabase(context, item, container, screenId, cellX, cellY); 520 } 521 } 522 523 static void checkItemInfoLocked( 524 final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) { 525 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 526 if (modelItem != null && item != modelItem) { 527 // check all the data is consistent 528 if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) { 529 ShortcutInfo modelShortcut = (ShortcutInfo) modelItem; 530 ShortcutInfo shortcut = (ShortcutInfo) item; 531 if (modelShortcut.title.toString().equals(shortcut.title.toString()) && 532 modelShortcut.intent.filterEquals(shortcut.intent) && 533 modelShortcut.id == shortcut.id && 534 modelShortcut.itemType == shortcut.itemType && 535 modelShortcut.container == shortcut.container && 536 modelShortcut.screenId == shortcut.screenId && 537 modelShortcut.cellX == shortcut.cellX && 538 modelShortcut.cellY == shortcut.cellY && 539 modelShortcut.spanX == shortcut.spanX && 540 modelShortcut.spanY == shortcut.spanY && 541 ((modelShortcut.dropPos == null && shortcut.dropPos == null) || 542 (modelShortcut.dropPos != null && 543 shortcut.dropPos != null && 544 modelShortcut.dropPos[0] == shortcut.dropPos[0] && 545 modelShortcut.dropPos[1] == shortcut.dropPos[1]))) { 546 // For all intents and purposes, this is the same object 547 return; 548 } 549 } 550 551 // the modelItem needs to match up perfectly with item if our model is 552 // to be consistent with the database-- for now, just require 553 // modelItem == item or the equality check above 554 String msg = "item: " + ((item != null) ? item.toString() : "null") + 555 "modelItem: " + 556 ((modelItem != null) ? modelItem.toString() : "null") + 557 "Error: ItemInfo passed to checkItemInfo doesn't match original"; 558 RuntimeException e = new RuntimeException(msg); 559 if (stackTrace != null) { 560 e.setStackTrace(stackTrace); 561 } 562 throw e; 563 } 564 } 565 566 static void checkItemInfo(final ItemInfo item) { 567 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 568 final long itemId = item.id; 569 Runnable r = new Runnable() { 570 public void run() { 571 synchronized (sBgLock) { 572 checkItemInfoLocked(itemId, item, stackTrace); 573 } 574 } 575 }; 576 runOnWorkerThread(r); 577 } 578 579 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 580 final ItemInfo item, final String callingFunction) { 581 final long itemId = item.id; 582 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId, false); 583 final ContentResolver cr = context.getContentResolver(); 584 585 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 586 Runnable r = new Runnable() { 587 public void run() { 588 cr.update(uri, values, null, null); 589 updateItemArrays(item, itemId, stackTrace); 590 } 591 }; 592 runOnWorkerThread(r); 593 } 594 595 static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList, 596 final ArrayList<ItemInfo> items, final String callingFunction) { 597 final ContentResolver cr = context.getContentResolver(); 598 599 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 600 Runnable r = new Runnable() { 601 public void run() { 602 ArrayList<ContentProviderOperation> ops = 603 new ArrayList<ContentProviderOperation>(); 604 int count = items.size(); 605 for (int i = 0; i < count; i++) { 606 ItemInfo item = items.get(i); 607 final long itemId = item.id; 608 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId, false); 609 ContentValues values = valuesList.get(i); 610 611 ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build()); 612 updateItemArrays(item, itemId, stackTrace); 613 614 } 615 try { 616 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 617 } catch (Exception e) { 618 e.printStackTrace(); 619 } 620 } 621 }; 622 runOnWorkerThread(r); 623 } 624 625 static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) { 626 // Lock on mBgLock *after* the db operation 627 synchronized (sBgLock) { 628 checkItemInfoLocked(itemId, item, stackTrace); 629 630 if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 631 item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 632 // Item is in a folder, make sure this folder exists 633 if (!sBgFolders.containsKey(item.container)) { 634 // An items container is being set to a that of an item which is not in 635 // the list of Folders. 636 String msg = "item: " + item + " container being set to: " + 637 item.container + ", not in the list of folders"; 638 Log.e(TAG, msg); 639 } 640 } 641 642 // Items are added/removed from the corresponding FolderInfo elsewhere, such 643 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 644 // that are on the desktop, as appropriate 645 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 646 if (modelItem != null && 647 (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 648 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { 649 switch (modelItem.itemType) { 650 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 651 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 652 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 653 if (!sBgWorkspaceItems.contains(modelItem)) { 654 sBgWorkspaceItems.add(modelItem); 655 } 656 break; 657 default: 658 break; 659 } 660 } else { 661 sBgWorkspaceItems.remove(modelItem); 662 } 663 } 664 } 665 666 public void flushWorkerThread() { 667 mFlushingWorkerThread = true; 668 Runnable waiter = new Runnable() { 669 public void run() { 670 synchronized (this) { 671 notifyAll(); 672 mFlushingWorkerThread = false; 673 } 674 } 675 }; 676 677 synchronized(waiter) { 678 runOnWorkerThread(waiter); 679 if (mLoaderTask != null) { 680 synchronized(mLoaderTask) { 681 mLoaderTask.notify(); 682 } 683 } 684 boolean success = false; 685 while (!success) { 686 try { 687 waiter.wait(); 688 success = true; 689 } catch (InterruptedException e) { 690 } 691 } 692 } 693 } 694 695 /** 696 * Move an item in the DB to a new <container, screen, cellX, cellY> 697 */ 698 static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 699 final long screenId, final int cellX, final int cellY) { 700 item.container = container; 701 item.cellX = cellX; 702 item.cellY = cellY; 703 704 // We store hotseat items in canonical form which is this orientation invariant position 705 // in the hotseat 706 if (context instanceof Launcher && screenId < 0 && 707 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 708 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 709 } else { 710 item.screenId = screenId; 711 } 712 713 final ContentValues values = new ContentValues(); 714 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 715 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 716 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 717 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 718 719 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 720 } 721 722 /** 723 * Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the 724 * cellX, cellY have already been updated on the ItemInfos. 725 */ 726 static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items, 727 final long container, final int screen) { 728 729 ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>(); 730 int count = items.size(); 731 732 for (int i = 0; i < count; i++) { 733 ItemInfo item = items.get(i); 734 item.container = container; 735 736 // We store hotseat items in canonical form which is this orientation invariant position 737 // in the hotseat 738 if (context instanceof Launcher && screen < 0 && 739 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 740 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX, 741 item.cellY); 742 } else { 743 item.screenId = screen; 744 } 745 746 final ContentValues values = new ContentValues(); 747 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 748 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 749 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 750 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 751 752 contentValues.add(values); 753 } 754 updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase"); 755 } 756 757 /** 758 * Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY> 759 */ 760 static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, 761 final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) { 762 item.container = container; 763 item.cellX = cellX; 764 item.cellY = cellY; 765 item.spanX = spanX; 766 item.spanY = spanY; 767 768 // We store hotseat items in canonical form which is this orientation invariant position 769 // in the hotseat 770 if (context instanceof Launcher && screenId < 0 && 771 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 772 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 773 } else { 774 item.screenId = screenId; 775 } 776 777 final ContentValues values = new ContentValues(); 778 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 779 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 780 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 781 values.put(LauncherSettings.Favorites.SPANX, item.spanX); 782 values.put(LauncherSettings.Favorites.SPANY, item.spanY); 783 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 784 785 updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); 786 } 787 788 /** 789 * Update an item to the database in a specified container. 790 */ 791 static void updateItemInDatabase(Context context, final ItemInfo item) { 792 final ContentValues values = new ContentValues(); 793 item.onAddToDatabase(values); 794 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 795 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 796 } 797 798 /** 799 * Returns true if the shortcuts already exists in the database. 800 * we identify a shortcut by its title and intent. 801 */ 802 static boolean shortcutExists(Context context, String title, Intent intent) { 803 final ContentResolver cr = context.getContentResolver(); 804 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, 805 new String[] { "title", "intent" }, "title=? and intent=?", 806 new String[] { title, intent.toUri(0) }, null); 807 boolean result = false; 808 try { 809 result = c.moveToFirst(); 810 } finally { 811 c.close(); 812 } 813 return result; 814 } 815 816 /** 817 * Returns true if the shortcuts already exists in the database. 818 * we identify a shortcut by the component name of the intent. 819 */ 820 static boolean appWasRestored(Context context, Intent intent) { 821 final ContentResolver cr = context.getContentResolver(); 822 final ComponentName component = intent.getComponent(); 823 if (component == null) { 824 return false; 825 } 826 String componentName = component.flattenToString(); 827 final String where = "intent glob \"*component=" + componentName + "*\" and restored = 1"; 828 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, 829 new String[]{"intent", "restored"}, where, null, null); 830 boolean result = false; 831 try { 832 result = c.moveToFirst(); 833 } finally { 834 c.close(); 835 } 836 Log.d(TAG, "shortcutWasRestored is " + result + " for " + componentName); 837 return result; 838 } 839 840 /** 841 * Returns an ItemInfo array containing all the items in the LauncherModel. 842 * The ItemInfo.id is not set through this function. 843 */ 844 static ArrayList<ItemInfo> getItemsInLocalCoordinates(Context context) { 845 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 846 final ContentResolver cr = context.getContentResolver(); 847 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, new String[] { 848 LauncherSettings.Favorites.ITEM_TYPE, LauncherSettings.Favorites.CONTAINER, 849 LauncherSettings.Favorites.SCREEN, LauncherSettings.Favorites.CELLX, LauncherSettings.Favorites.CELLY, 850 LauncherSettings.Favorites.SPANX, LauncherSettings.Favorites.SPANY }, null, null, null); 851 852 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 853 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 854 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 855 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 856 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 857 final int spanXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANX); 858 final int spanYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANY); 859 860 try { 861 while (c.moveToNext()) { 862 ItemInfo item = new ItemInfo(); 863 item.cellX = c.getInt(cellXIndex); 864 item.cellY = c.getInt(cellYIndex); 865 item.spanX = Math.max(1, c.getInt(spanXIndex)); 866 item.spanY = Math.max(1, c.getInt(spanYIndex)); 867 item.container = c.getInt(containerIndex); 868 item.itemType = c.getInt(itemTypeIndex); 869 item.screenId = c.getInt(screenIndex); 870 871 items.add(item); 872 } 873 } catch (Exception e) { 874 items.clear(); 875 } finally { 876 c.close(); 877 } 878 879 return items; 880 } 881 882 /** 883 * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. 884 */ 885 FolderInfo getFolderById(Context context, HashMap<Long,FolderInfo> folderList, long id) { 886 final ContentResolver cr = context.getContentResolver(); 887 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, 888 "_id=? and (itemType=? or itemType=?)", 889 new String[] { String.valueOf(id), 890 String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); 891 892 try { 893 if (c.moveToFirst()) { 894 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 895 final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); 896 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 897 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 898 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 899 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 900 901 FolderInfo folderInfo = null; 902 switch (c.getInt(itemTypeIndex)) { 903 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 904 folderInfo = findOrMakeFolder(folderList, id); 905 break; 906 } 907 908 folderInfo.title = c.getString(titleIndex); 909 folderInfo.id = id; 910 folderInfo.container = c.getInt(containerIndex); 911 folderInfo.screenId = c.getInt(screenIndex); 912 folderInfo.cellX = c.getInt(cellXIndex); 913 folderInfo.cellY = c.getInt(cellYIndex); 914 915 return folderInfo; 916 } 917 } finally { 918 c.close(); 919 } 920 921 return null; 922 } 923 924 /** 925 * Add an item to the database in a specified container. Sets the container, screen, cellX and 926 * cellY fields of the item. Also assigns an ID to the item. 927 */ 928 static void addItemToDatabase(Context context, final ItemInfo item, final long container, 929 final long screenId, final int cellX, final int cellY, final boolean notify) { 930 item.container = container; 931 item.cellX = cellX; 932 item.cellY = cellY; 933 // We store hotseat items in canonical form which is this orientation invariant position 934 // in the hotseat 935 if (context instanceof Launcher && screenId < 0 && 936 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 937 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 938 } else { 939 item.screenId = screenId; 940 } 941 942 final ContentValues values = new ContentValues(); 943 final ContentResolver cr = context.getContentResolver(); 944 item.onAddToDatabase(values); 945 946 item.id = LauncherAppState.getLauncherProvider().generateNewItemId(); 947 values.put(LauncherSettings.Favorites._ID, item.id); 948 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 949 950 Runnable r = new Runnable() { 951 public void run() { 952 cr.insert(notify ? LauncherSettings.Favorites.CONTENT_URI : 953 LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, values); 954 955 // Lock on mBgLock *after* the db operation 956 synchronized (sBgLock) { 957 checkItemInfoLocked(item.id, item, null); 958 sBgItemsIdMap.put(item.id, item); 959 switch (item.itemType) { 960 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 961 sBgFolders.put(item.id, (FolderInfo) item); 962 // Fall through 963 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 964 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 965 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 966 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 967 sBgWorkspaceItems.add(item); 968 } else { 969 if (!sBgFolders.containsKey(item.container)) { 970 // Adding an item to a folder that doesn't exist. 971 String msg = "adding item: " + item + " to a folder that " + 972 " doesn't exist"; 973 Log.e(TAG, msg); 974 } 975 } 976 break; 977 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 978 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 979 break; 980 } 981 } 982 } 983 }; 984 runOnWorkerThread(r); 985 } 986 987 /** 988 * Creates a new unique child id, for a given cell span across all layouts. 989 */ 990 static int getCellLayoutChildId( 991 long container, long screen, int localCellX, int localCellY, int spanX, int spanY) { 992 return (((int) container & 0xFF) << 24) 993 | ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 994 } 995 996 /** 997 * Removes the specified item from the database 998 * @param context 999 * @param item 1000 */ 1001 static void deleteItemFromDatabase(Context context, final ItemInfo item) { 1002 final ContentResolver cr = context.getContentResolver(); 1003 final Uri uriToDelete = LauncherSettings.Favorites.getContentUri(item.id, false); 1004 1005 Runnable r = new Runnable() { 1006 public void run() { 1007 cr.delete(uriToDelete, null, null); 1008 1009 // Lock on mBgLock *after* the db operation 1010 synchronized (sBgLock) { 1011 switch (item.itemType) { 1012 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1013 sBgFolders.remove(item.id); 1014 for (ItemInfo info: sBgItemsIdMap.values()) { 1015 if (info.container == item.id) { 1016 // We are deleting a folder which still contains items that 1017 // think they are contained by that folder. 1018 String msg = "deleting a folder (" + item + ") which still " + 1019 "contains items (" + info + ")"; 1020 Log.e(TAG, msg); 1021 } 1022 } 1023 sBgWorkspaceItems.remove(item); 1024 break; 1025 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1026 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1027 sBgWorkspaceItems.remove(item); 1028 break; 1029 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1030 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 1031 break; 1032 } 1033 sBgItemsIdMap.remove(item.id); 1034 sBgDbIconCache.remove(item); 1035 } 1036 } 1037 }; 1038 runOnWorkerThread(r); 1039 } 1040 1041 /** 1042 * Update the order of the workspace screens in the database. The array list contains 1043 * a list of screen ids in the order that they should appear. 1044 */ 1045 void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) { 1046 // Log to disk 1047 Launcher.addDumpLog(TAG, "11683562 - updateWorkspaceScreenOrder()", true); 1048 Launcher.addDumpLog(TAG, "11683562 - screens: " + TextUtils.join(", ", screens), true); 1049 1050 final ArrayList<Long> screensCopy = new ArrayList<Long>(screens); 1051 final ContentResolver cr = context.getContentResolver(); 1052 final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1053 1054 // Remove any negative screen ids -- these aren't persisted 1055 Iterator<Long> iter = screensCopy.iterator(); 1056 while (iter.hasNext()) { 1057 long id = iter.next(); 1058 if (id < 0) { 1059 iter.remove(); 1060 } 1061 } 1062 1063 Runnable r = new Runnable() { 1064 @Override 1065 public void run() { 1066 // Clear the table 1067 cr.delete(uri, null, null); 1068 int count = screensCopy.size(); 1069 ContentValues[] values = new ContentValues[count]; 1070 for (int i = 0; i < count; i++) { 1071 ContentValues v = new ContentValues(); 1072 long screenId = screensCopy.get(i); 1073 v.put(LauncherSettings.WorkspaceScreens._ID, screenId); 1074 v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); 1075 values[i] = v; 1076 } 1077 cr.bulkInsert(uri, values); 1078 1079 synchronized (sBgLock) { 1080 sBgWorkspaceScreens.clear(); 1081 sBgWorkspaceScreens.addAll(screensCopy); 1082 } 1083 } 1084 }; 1085 runOnWorkerThread(r); 1086 } 1087 1088 /** 1089 * Remove the contents of the specified folder from the database 1090 */ 1091 static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { 1092 final ContentResolver cr = context.getContentResolver(); 1093 1094 Runnable r = new Runnable() { 1095 public void run() { 1096 cr.delete(LauncherSettings.Favorites.getContentUri(info.id, false), null, null); 1097 // Lock on mBgLock *after* the db operation 1098 synchronized (sBgLock) { 1099 sBgItemsIdMap.remove(info.id); 1100 sBgFolders.remove(info.id); 1101 sBgDbIconCache.remove(info); 1102 sBgWorkspaceItems.remove(info); 1103 } 1104 1105 cr.delete(LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, 1106 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 1107 // Lock on mBgLock *after* the db operation 1108 synchronized (sBgLock) { 1109 for (ItemInfo childInfo : info.contents) { 1110 sBgItemsIdMap.remove(childInfo.id); 1111 sBgDbIconCache.remove(childInfo); 1112 } 1113 } 1114 } 1115 }; 1116 runOnWorkerThread(r); 1117 } 1118 1119 /** 1120 * Set this as the current Launcher activity object for the loader. 1121 */ 1122 public void initialize(Callbacks callbacks) { 1123 synchronized (mLock) { 1124 mCallbacks = new WeakReference<Callbacks>(callbacks); 1125 } 1126 } 1127 1128 /** 1129 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 1130 * ACTION_PACKAGE_CHANGED. 1131 */ 1132 @Override 1133 public void onReceive(Context context, Intent intent) { 1134 if (DEBUG_LOADERS) Log.d(TAG, "onReceive intent=" + intent); 1135 1136 final String action = intent.getAction(); 1137 1138 if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 1139 || Intent.ACTION_PACKAGE_REMOVED.equals(action) 1140 || Intent.ACTION_PACKAGE_ADDED.equals(action)) { 1141 final String packageName = intent.getData().getSchemeSpecificPart(); 1142 final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 1143 1144 int op = PackageUpdatedTask.OP_NONE; 1145 1146 if (packageName == null || packageName.length() == 0) { 1147 // they sent us a bad intent 1148 return; 1149 } 1150 1151 if (Intent.ACTION_PACKAGE_CHANGED.equals(action)) { 1152 op = PackageUpdatedTask.OP_UPDATE; 1153 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { 1154 if (!replacing) { 1155 op = PackageUpdatedTask.OP_REMOVE; 1156 } 1157 // else, we are replacing the package, so a PACKAGE_ADDED will be sent 1158 // later, we will update the package at this time 1159 } else if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { 1160 if (!replacing) { 1161 op = PackageUpdatedTask.OP_ADD; 1162 } else { 1163 op = PackageUpdatedTask.OP_UPDATE; 1164 } 1165 } 1166 1167 if (op != PackageUpdatedTask.OP_NONE) { 1168 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName })); 1169 } 1170 1171 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(action)) { 1172 final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 1173 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 1174 if (!replacing) { 1175 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packages)); 1176 if (mAppsCanBeOnRemoveableStorage) { 1177 // Only rebind if we support removable storage. It catches the case where 1178 // apps on the external sd card need to be reloaded 1179 startLoaderFromBackground(); 1180 } 1181 } else { 1182 // If we are replacing then just update the packages in the list 1183 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_UPDATE, 1184 packages)); 1185 } 1186 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 1187 final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 1188 if (!replacing) { 1189 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 1190 enqueuePackageUpdated(new PackageUpdatedTask( 1191 PackageUpdatedTask.OP_UNAVAILABLE, packages)); 1192 } 1193 // else, we are replacing the packages, so ignore this event and wait for 1194 // EXTERNAL_APPLICATIONS_AVAILABLE to update the packages at that time 1195 } else if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 1196 // If we have changed locale we need to clear out the labels in all apps/workspace. 1197 forceReload(); 1198 } else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) { 1199 // Check if configuration change was an mcc/mnc change which would affect app resources 1200 // and we would need to clear out the labels in all apps/workspace. Same handling as 1201 // above for ACTION_LOCALE_CHANGED 1202 Configuration currentConfig = context.getResources().getConfiguration(); 1203 if (mPreviousConfigMcc != currentConfig.mcc) { 1204 Log.d(TAG, "Reload apps on config change. curr_mcc:" 1205 + currentConfig.mcc + " prevmcc:" + mPreviousConfigMcc); 1206 forceReload(); 1207 } 1208 // Update previousConfig 1209 mPreviousConfigMcc = currentConfig.mcc; 1210 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action) || 1211 SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED.equals(action)) { 1212 if (mCallbacks != null) { 1213 Callbacks callbacks = mCallbacks.get(); 1214 if (callbacks != null) { 1215 callbacks.bindSearchablesChanged(); 1216 } 1217 } 1218 } 1219 } 1220 1221 private void forceReload() { 1222 resetLoadedState(true, true); 1223 1224 // Do this here because if the launcher activity is running it will be restarted. 1225 // If it's not running startLoaderFromBackground will merely tell it that it needs 1226 // to reload. 1227 startLoaderFromBackground(); 1228 } 1229 1230 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 1231 synchronized (mLock) { 1232 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 1233 // mWorkspaceLoaded to true later 1234 stopLoaderLocked(); 1235 if (resetAllAppsLoaded) mAllAppsLoaded = false; 1236 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 1237 } 1238 } 1239 1240 /** 1241 * When the launcher is in the background, it's possible for it to miss paired 1242 * configuration changes. So whenever we trigger the loader from the background 1243 * tell the launcher that it needs to re-run the loader when it comes back instead 1244 * of doing it now. 1245 */ 1246 public void startLoaderFromBackground() { 1247 boolean runLoader = false; 1248 if (mCallbacks != null) { 1249 Callbacks callbacks = mCallbacks.get(); 1250 if (callbacks != null) { 1251 // Only actually run the loader if they're not paused. 1252 if (!callbacks.setLoadOnResume()) { 1253 runLoader = true; 1254 } 1255 } 1256 } 1257 if (runLoader) { 1258 startLoader(false, PagedView.INVALID_RESTORE_PAGE); 1259 } 1260 } 1261 1262 // If there is already a loader task running, tell it to stop. 1263 // returns true if isLaunching() was true on the old task 1264 private boolean stopLoaderLocked() { 1265 boolean isLaunching = false; 1266 LoaderTask oldTask = mLoaderTask; 1267 if (oldTask != null) { 1268 if (oldTask.isLaunching()) { 1269 isLaunching = true; 1270 } 1271 oldTask.stopLocked(); 1272 } 1273 return isLaunching; 1274 } 1275 1276 public void startLoader(boolean isLaunching, int synchronousBindPage) { 1277 startLoader(isLaunching, synchronousBindPage, LOADER_FLAG_NONE); 1278 } 1279 1280 public void startLoader(boolean isLaunching, int synchronousBindPage, int loadFlags) { 1281 synchronized (mLock) { 1282 if (DEBUG_LOADERS) { 1283 Log.d(TAG, "startLoader isLaunching=" + isLaunching); 1284 } 1285 1286 // Clear any deferred bind-runnables from the synchronized load process 1287 // We must do this before any loading/binding is scheduled below. 1288 mDeferredBindRunnables.clear(); 1289 1290 // Don't bother to start the thread if we know it's not going to do anything 1291 if (mCallbacks != null && mCallbacks.get() != null) { 1292 // If there is already one running, tell it to stop. 1293 // also, don't downgrade isLaunching if we're already running 1294 isLaunching = isLaunching || stopLoaderLocked(); 1295 mLoaderTask = new LoaderTask(mApp.getContext(), isLaunching, loadFlags); 1296 if (synchronousBindPage != PagedView.INVALID_RESTORE_PAGE 1297 && mAllAppsLoaded && mWorkspaceLoaded) { 1298 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 1299 } else { 1300 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 1301 sWorker.post(mLoaderTask); 1302 } 1303 } 1304 } 1305 } 1306 1307 void bindRemainingSynchronousPages() { 1308 // Post the remaining side pages to be loaded 1309 if (!mDeferredBindRunnables.isEmpty()) { 1310 for (final Runnable r : mDeferredBindRunnables) { 1311 mHandler.post(r, MAIN_THREAD_BINDING_RUNNABLE); 1312 } 1313 mDeferredBindRunnables.clear(); 1314 } 1315 } 1316 1317 public void stopLoader() { 1318 synchronized (mLock) { 1319 if (mLoaderTask != null) { 1320 mLoaderTask.stopLocked(); 1321 } 1322 } 1323 } 1324 1325 /** Loads the workspace screens db into a map of Rank -> ScreenId */ 1326 private static TreeMap<Integer, Long> loadWorkspaceScreensDb(Context context) { 1327 final ContentResolver contentResolver = context.getContentResolver(); 1328 final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1329 final Cursor sc = contentResolver.query(screensUri, null, null, null, null); 1330 TreeMap<Integer, Long> orderedScreens = new TreeMap<Integer, Long>(); 1331 1332 try { 1333 final int idIndex = sc.getColumnIndexOrThrow( 1334 LauncherSettings.WorkspaceScreens._ID); 1335 final int rankIndex = sc.getColumnIndexOrThrow( 1336 LauncherSettings.WorkspaceScreens.SCREEN_RANK); 1337 while (sc.moveToNext()) { 1338 try { 1339 long screenId = sc.getLong(idIndex); 1340 int rank = sc.getInt(rankIndex); 1341 orderedScreens.put(rank, screenId); 1342 } catch (Exception e) { 1343 Launcher.addDumpLog(TAG, "Desktop items loading interrupted - invalid screens: " + e, true); 1344 } 1345 } 1346 } finally { 1347 sc.close(); 1348 } 1349 1350 // Log to disk 1351 Launcher.addDumpLog(TAG, "11683562 - loadWorkspaceScreensDb()", true); 1352 ArrayList<String> orderedScreensPairs= new ArrayList<String>(); 1353 for (Integer i : orderedScreens.keySet()) { 1354 orderedScreensPairs.add("{ " + i + ": " + orderedScreens.get(i) + " }"); 1355 } 1356 Launcher.addDumpLog(TAG, "11683562 - screens: " + 1357 TextUtils.join(", ", orderedScreensPairs), true); 1358 return orderedScreens; 1359 } 1360 1361 public boolean isAllAppsLoaded() { 1362 return mAllAppsLoaded; 1363 } 1364 1365 boolean isLoadingWorkspace() { 1366 synchronized (mLock) { 1367 if (mLoaderTask != null) { 1368 return mLoaderTask.isLoadingWorkspace(); 1369 } 1370 } 1371 return false; 1372 } 1373 1374 /** 1375 * Runnable for the thread that loads the contents of the launcher: 1376 * - workspace icons 1377 * - widgets 1378 * - all apps icons 1379 */ 1380 private class LoaderTask implements Runnable { 1381 private Context mContext; 1382 private boolean mIsLaunching; 1383 private boolean mIsLoadingAndBindingWorkspace; 1384 private boolean mStopped; 1385 private boolean mLoadAndBindStepFinished; 1386 private int mFlags; 1387 1388 private HashMap<Object, CharSequence> mLabelCache; 1389 1390 LoaderTask(Context context, boolean isLaunching, int flags) { 1391 mContext = context; 1392 mIsLaunching = isLaunching; 1393 mLabelCache = new HashMap<Object, CharSequence>(); 1394 mFlags = flags; 1395 } 1396 1397 boolean isLaunching() { 1398 return mIsLaunching; 1399 } 1400 1401 boolean isLoadingWorkspace() { 1402 return mIsLoadingAndBindingWorkspace; 1403 } 1404 1405 /** Returns whether this is an upgrade path */ 1406 private boolean loadAndBindWorkspace() { 1407 mIsLoadingAndBindingWorkspace = true; 1408 1409 // Load the workspace 1410 if (DEBUG_LOADERS) { 1411 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 1412 } 1413 1414 boolean isUpgradePath = false; 1415 if (!mWorkspaceLoaded) { 1416 isUpgradePath = loadWorkspace(); 1417 synchronized (LoaderTask.this) { 1418 if (mStopped) { 1419 return isUpgradePath; 1420 } 1421 mWorkspaceLoaded = true; 1422 } 1423 } 1424 1425 // Bind the workspace 1426 bindWorkspace(-1, isUpgradePath); 1427 return isUpgradePath; 1428 } 1429 1430 private void waitForIdle() { 1431 // Wait until the either we're stopped or the other threads are done. 1432 // This way we don't start loading all apps until the workspace has settled 1433 // down. 1434 synchronized (LoaderTask.this) { 1435 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1436 1437 mHandler.postIdle(new Runnable() { 1438 public void run() { 1439 synchronized (LoaderTask.this) { 1440 mLoadAndBindStepFinished = true; 1441 if (DEBUG_LOADERS) { 1442 Log.d(TAG, "done with previous binding step"); 1443 } 1444 LoaderTask.this.notify(); 1445 } 1446 } 1447 }); 1448 1449 while (!mStopped && !mLoadAndBindStepFinished && !mFlushingWorkerThread) { 1450 try { 1451 // Just in case mFlushingWorkerThread changes but we aren't woken up, 1452 // wait no longer than 1sec at a time 1453 this.wait(1000); 1454 } catch (InterruptedException ex) { 1455 // Ignore 1456 } 1457 } 1458 if (DEBUG_LOADERS) { 1459 Log.d(TAG, "waited " 1460 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1461 + "ms for previous step to finish binding"); 1462 } 1463 } 1464 } 1465 1466 void runBindSynchronousPage(int synchronousBindPage) { 1467 if (synchronousBindPage == PagedView.INVALID_RESTORE_PAGE) { 1468 // Ensure that we have a valid page index to load synchronously 1469 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1470 "valid page index"); 1471 } 1472 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1473 // Ensure that we don't try and bind a specified page when the pages have not been 1474 // loaded already (we should load everything asynchronously in that case) 1475 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1476 } 1477 synchronized (mLock) { 1478 if (mIsLoaderTaskRunning) { 1479 // Ensure that we are never running the background loading at this point since 1480 // we also touch the background collections 1481 throw new RuntimeException("Error! Background loading is already running"); 1482 } 1483 } 1484 1485 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1486 // data structures, we can't allow any other thread to touch that data, but because 1487 // this call is synchronous, we can get away with not locking). 1488 1489 // The LauncherModel is static in the LauncherAppState and mHandler may have queued 1490 // operations from the previous activity. We need to ensure that all queued operations 1491 // are executed before any synchronous binding work is done. 1492 mHandler.flush(); 1493 1494 // Divide the set of loaded items into those that we are binding synchronously, and 1495 // everything else that is to be bound normally (asynchronously). 1496 bindWorkspace(synchronousBindPage, false); 1497 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1498 // arise from that. 1499 onlyBindAllApps(); 1500 } 1501 1502 public void run() { 1503 boolean isUpgrade = false; 1504 1505 synchronized (mLock) { 1506 mIsLoaderTaskRunning = true; 1507 } 1508 // Optimize for end-user experience: if the Launcher is up and // running with the 1509 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1510 // workspace first (default). 1511 keep_running: { 1512 // Elevate priority when Home launches for the first time to avoid 1513 // starving at boot time. Staring at a blank home is not cool. 1514 synchronized (mLock) { 1515 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to " + 1516 (mIsLaunching ? "DEFAULT" : "BACKGROUND")); 1517 android.os.Process.setThreadPriority(mIsLaunching 1518 ? Process.THREAD_PRIORITY_DEFAULT : Process.THREAD_PRIORITY_BACKGROUND); 1519 } 1520 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1521 isUpgrade = loadAndBindWorkspace(); 1522 1523 if (mStopped) { 1524 break keep_running; 1525 } 1526 1527 // Whew! Hard work done. Slow us down, and wait until the UI thread has 1528 // settled down. 1529 synchronized (mLock) { 1530 if (mIsLaunching) { 1531 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to BACKGROUND"); 1532 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1533 } 1534 } 1535 waitForIdle(); 1536 1537 // second step 1538 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1539 loadAndBindAllApps(); 1540 1541 // Restore the default thread priority after we are done loading items 1542 synchronized (mLock) { 1543 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1544 } 1545 } 1546 1547 // Update the saved icons if necessary 1548 if (DEBUG_LOADERS) Log.d(TAG, "Comparing loaded icons to database icons"); 1549 synchronized (sBgLock) { 1550 for (Object key : sBgDbIconCache.keySet()) { 1551 updateSavedIcon(mContext, (ShortcutInfo) key, sBgDbIconCache.get(key)); 1552 } 1553 sBgDbIconCache.clear(); 1554 } 1555 1556 if (LauncherAppState.isDisableAllApps()) { 1557 // Ensure that all the applications that are in the system are 1558 // represented on the home screen. 1559 if (!UPGRADE_USE_MORE_APPS_FOLDER || !isUpgrade) { 1560 verifyApplications(); 1561 } 1562 } 1563 1564 // Clear out this reference, otherwise we end up holding it until all of the 1565 // callback runnables are done. 1566 mContext = null; 1567 1568 synchronized (mLock) { 1569 // If we are still the last one to be scheduled, remove ourselves. 1570 if (mLoaderTask == this) { 1571 mLoaderTask = null; 1572 } 1573 mIsLoaderTaskRunning = false; 1574 } 1575 } 1576 1577 public void stopLocked() { 1578 synchronized (LoaderTask.this) { 1579 mStopped = true; 1580 this.notify(); 1581 } 1582 } 1583 1584 /** 1585 * Gets the callbacks object. If we've been stopped, or if the launcher object 1586 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1587 * object that was around when the deferred message was scheduled, and if there's 1588 * a new Callbacks object around then also return null. This will save us from 1589 * calling onto it with data that will be ignored. 1590 */ 1591 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1592 synchronized (mLock) { 1593 if (mStopped) { 1594 return null; 1595 } 1596 1597 if (mCallbacks == null) { 1598 return null; 1599 } 1600 1601 final Callbacks callbacks = mCallbacks.get(); 1602 if (callbacks != oldCallbacks) { 1603 return null; 1604 } 1605 if (callbacks == null) { 1606 Log.w(TAG, "no mCallbacks"); 1607 return null; 1608 } 1609 1610 return callbacks; 1611 } 1612 } 1613 1614 private void verifyApplications() { 1615 final Context context = mApp.getContext(); 1616 1617 // Cross reference all the applications in our apps list with items in the workspace 1618 ArrayList<ItemInfo> tmpInfos; 1619 ArrayList<ItemInfo> added = new ArrayList<ItemInfo>(); 1620 synchronized (sBgLock) { 1621 for (AppInfo app : mBgAllAppsList.data) { 1622 tmpInfos = getItemInfoForComponentName(app.componentName); 1623 if (tmpInfos.isEmpty()) { 1624 // We are missing an application icon, so add this to the workspace 1625 added.add(app); 1626 // This is a rare event, so lets log it 1627 Log.e(TAG, "Missing Application on load: " + app); 1628 } 1629 } 1630 } 1631 if (!added.isEmpty()) { 1632 addAndBindAddedWorkspaceApps(context, added); 1633 } 1634 } 1635 1636 // check & update map of what's occupied; used to discard overlapping/invalid items 1637 private boolean checkItemPlacement(HashMap<Long, ItemInfo[][]> occupied, ItemInfo item, 1638 AtomicBoolean deleteOnInvalidPlacement) { 1639 LauncherAppState app = LauncherAppState.getInstance(); 1640 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1641 final int countX = (int) grid.numColumns; 1642 final int countY = (int) grid.numRows; 1643 1644 long containerIndex = item.screenId; 1645 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1646 // Return early if we detect that an item is under the hotseat button 1647 if (mCallbacks == null || 1648 mCallbacks.get().isAllAppsButtonRank((int) item.screenId)) { 1649 deleteOnInvalidPlacement.set(true); 1650 Log.e(TAG, "Error loading shortcut into hotseat " + item 1651 + " into position (" + item.screenId + ":" + item.cellX + "," 1652 + item.cellY + ") occupied by all apps"); 1653 return false; 1654 } 1655 1656 final ItemInfo[][] hotseatItems = 1657 occupied.get((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT); 1658 1659 if (item.screenId >= grid.numHotseatIcons) { 1660 Log.e(TAG, "Error loading shortcut " + item 1661 + " into hotseat position " + item.screenId 1662 + ", position out of bounds: (0 to " + (grid.numHotseatIcons - 1) 1663 + ")"); 1664 return false; 1665 } 1666 1667 if (hotseatItems != null) { 1668 if (hotseatItems[(int) item.screenId][0] != null) { 1669 Log.e(TAG, "Error loading shortcut into hotseat " + item 1670 + " into position (" + item.screenId + ":" + item.cellX + "," 1671 + item.cellY + ") occupied by " 1672 + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1673 [(int) item.screenId][0]); 1674 return false; 1675 } else { 1676 hotseatItems[(int) item.screenId][0] = item; 1677 return true; 1678 } 1679 } else { 1680 final ItemInfo[][] items = new ItemInfo[(int) grid.numHotseatIcons][1]; 1681 items[(int) item.screenId][0] = item; 1682 occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); 1683 return true; 1684 } 1685 } else if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1686 // Skip further checking if it is not the hotseat or workspace container 1687 return true; 1688 } 1689 1690 if (!occupied.containsKey(item.screenId)) { 1691 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1692 occupied.put(item.screenId, items); 1693 } 1694 1695 final ItemInfo[][] screens = occupied.get(item.screenId); 1696 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1697 item.cellX < 0 || item.cellY < 0 || 1698 item.cellX + item.spanX > countX || item.cellY + item.spanY > countY) { 1699 Log.e(TAG, "Error loading shortcut " + item 1700 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1701 + item.cellX + "," + item.cellY 1702 + ") out of screen bounds ( " + countX + "x" + countY + ")"); 1703 return false; 1704 } 1705 1706 // Check if any workspace icons overlap with each other 1707 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1708 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1709 if (screens[x][y] != null) { 1710 Log.e(TAG, "Error loading shortcut " + item 1711 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1712 + x + "," + y 1713 + ") occupied by " 1714 + screens[x][y]); 1715 return false; 1716 } 1717 } 1718 } 1719 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1720 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1721 screens[x][y] = item; 1722 } 1723 } 1724 1725 return true; 1726 } 1727 1728 /** Clears all the sBg data structures */ 1729 private void clearSBgDataStructures() { 1730 synchronized (sBgLock) { 1731 sBgWorkspaceItems.clear(); 1732 sBgAppWidgets.clear(); 1733 sBgFolders.clear(); 1734 sBgItemsIdMap.clear(); 1735 sBgDbIconCache.clear(); 1736 sBgWorkspaceScreens.clear(); 1737 } 1738 } 1739 1740 /** Returns whether this is an upgrade path */ 1741 private boolean loadWorkspace() { 1742 // Log to disk 1743 Launcher.addDumpLog(TAG, "11683562 - loadWorkspace()", true); 1744 1745 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1746 1747 final Context context = mContext; 1748 final ContentResolver contentResolver = context.getContentResolver(); 1749 final PackageManager manager = context.getPackageManager(); 1750 final AppWidgetManager widgets = AppWidgetManager.getInstance(context); 1751 final boolean isSafeMode = manager.isSafeMode(); 1752 1753 LauncherAppState app = LauncherAppState.getInstance(); 1754 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1755 int countX = (int) grid.numColumns; 1756 int countY = (int) grid.numRows; 1757 1758 if ((mFlags & LOADER_FLAG_CLEAR_WORKSPACE) != 0) { 1759 Launcher.addDumpLog(TAG, "loadWorkspace: resetting launcher database", true); 1760 LauncherAppState.getLauncherProvider().deleteDatabase(); 1761 } 1762 1763 if ((mFlags & LOADER_FLAG_MIGRATE_SHORTCUTS) != 0) { 1764 // append the user's Launcher2 shortcuts 1765 Launcher.addDumpLog(TAG, "loadWorkspace: migrating from launcher2", true); 1766 LauncherAppState.getLauncherProvider().migrateLauncher2Shortcuts(); 1767 } else { 1768 // Make sure the default workspace is loaded 1769 Launcher.addDumpLog(TAG, "loadWorkspace: loading default favorites", false); 1770 LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary(0); 1771 } 1772 1773 // Check if we need to do any upgrade-path logic 1774 // (Includes having just imported default favorites) 1775 boolean loadedOldDb = LauncherAppState.getLauncherProvider().justLoadedOldDb(); 1776 1777 // Log to disk 1778 Launcher.addDumpLog(TAG, "11683562 - loadedOldDb: " + loadedOldDb, true); 1779 1780 synchronized (sBgLock) { 1781 clearSBgDataStructures(); 1782 1783 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 1784 final ArrayList<Long> restoredRows = new ArrayList<Long>(); 1785 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; 1786 if (DEBUG_LOADERS) Log.d(TAG, "loading model from " + contentUri); 1787 final Cursor c = contentResolver.query(contentUri, null, null, null, null); 1788 1789 // +1 for the hotseat (it can be larger than the workspace) 1790 // Load workspace in reverse order to ensure that latest items are loaded first (and 1791 // before any earlier duplicates) 1792 final HashMap<Long, ItemInfo[][]> occupied = new HashMap<Long, ItemInfo[][]>(); 1793 1794 try { 1795 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1796 final int intentIndex = c.getColumnIndexOrThrow 1797 (LauncherSettings.Favorites.INTENT); 1798 final int titleIndex = c.getColumnIndexOrThrow 1799 (LauncherSettings.Favorites.TITLE); 1800 final int iconTypeIndex = c.getColumnIndexOrThrow( 1801 LauncherSettings.Favorites.ICON_TYPE); 1802 final int iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON); 1803 final int iconPackageIndex = c.getColumnIndexOrThrow( 1804 LauncherSettings.Favorites.ICON_PACKAGE); 1805 final int iconResourceIndex = c.getColumnIndexOrThrow( 1806 LauncherSettings.Favorites.ICON_RESOURCE); 1807 final int containerIndex = c.getColumnIndexOrThrow( 1808 LauncherSettings.Favorites.CONTAINER); 1809 final int itemTypeIndex = c.getColumnIndexOrThrow( 1810 LauncherSettings.Favorites.ITEM_TYPE); 1811 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1812 LauncherSettings.Favorites.APPWIDGET_ID); 1813 final int appWidgetProviderIndex = c.getColumnIndexOrThrow( 1814 LauncherSettings.Favorites.APPWIDGET_PROVIDER); 1815 final int screenIndex = c.getColumnIndexOrThrow( 1816 LauncherSettings.Favorites.SCREEN); 1817 final int cellXIndex = c.getColumnIndexOrThrow 1818 (LauncherSettings.Favorites.CELLX); 1819 final int cellYIndex = c.getColumnIndexOrThrow 1820 (LauncherSettings.Favorites.CELLY); 1821 final int spanXIndex = c.getColumnIndexOrThrow 1822 (LauncherSettings.Favorites.SPANX); 1823 final int spanYIndex = c.getColumnIndexOrThrow( 1824 LauncherSettings.Favorites.SPANY); 1825 final int restoredIndex = c.getColumnIndexOrThrow( 1826 LauncherSettings.Favorites.RESTORED); 1827 //final int uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI); 1828 //final int displayModeIndex = c.getColumnIndexOrThrow( 1829 // LauncherSettings.Favorites.DISPLAY_MODE); 1830 1831 ShortcutInfo info; 1832 String intentDescription; 1833 LauncherAppWidgetInfo appWidgetInfo; 1834 int container; 1835 long id; 1836 Intent intent; 1837 1838 while (!mStopped && c.moveToNext()) { 1839 AtomicBoolean deleteOnInvalidPlacement = new AtomicBoolean(false); 1840 try { 1841 int itemType = c.getInt(itemTypeIndex); 1842 boolean restored = 0 != c.getInt(restoredIndex); 1843 1844 switch (itemType) { 1845 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1846 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1847 id = c.getLong(idIndex); 1848 intentDescription = c.getString(intentIndex); 1849 try { 1850 intent = Intent.parseUri(intentDescription, 0); 1851 ComponentName cn = intent.getComponent(); 1852 if (cn != null && !isValidPackageComponent(manager, cn)) { 1853 if (restored) { 1854 // might be installed later 1855 Launcher.addDumpLog(TAG, 1856 "package not yet restored: " + cn, true); 1857 } else { 1858 if (!mAppsCanBeOnRemoveableStorage) { 1859 // Log the invalid package, and remove it 1860 Launcher.addDumpLog(TAG, 1861 "Invalid package removed: " + cn, true); 1862 itemsToRemove.add(id); 1863 } else { 1864 // If apps can be on external storage, then we just 1865 // leave them for the user to remove (maybe add 1866 // visual treatment to it) 1867 Launcher.addDumpLog(TAG, 1868 "Invalid package found: " + cn, true); 1869 } 1870 continue; 1871 } 1872 } else if (restored) { 1873 // no special handling necessary for this restored item 1874 restoredRows.add(id); 1875 restored = false; 1876 } 1877 } catch (URISyntaxException e) { 1878 Launcher.addDumpLog(TAG, 1879 "Invalid uri: " + intentDescription, true); 1880 continue; 1881 } 1882 1883 if (restored) { 1884 Launcher.addDumpLog(TAG, 1885 "constructing info for partially restored package", 1886 true); 1887 info = getRestoredItemInfo(c, titleIndex, intent); 1888 intent = getRestoredItemIntent(c, context, intent); 1889 } else if (itemType == 1890 LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 1891 info = getShortcutInfo(manager, intent, context, c, iconIndex, 1892 titleIndex, mLabelCache); 1893 } else { 1894 info = getShortcutInfo(c, context, iconTypeIndex, 1895 iconPackageIndex, iconResourceIndex, iconIndex, 1896 titleIndex); 1897 1898 // App shortcuts that used to be automatically added to Launcher 1899 // didn't always have the correct intent flags set, so do that 1900 // here 1901 if (intent.getAction() != null && 1902 intent.getCategories() != null && 1903 intent.getAction().equals(Intent.ACTION_MAIN) && 1904 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 1905 intent.addFlags( 1906 Intent.FLAG_ACTIVITY_NEW_TASK | 1907 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1908 } 1909 } 1910 1911 if (info != null) { 1912 info.id = id; 1913 info.intent = intent; 1914 container = c.getInt(containerIndex); 1915 info.container = container; 1916 info.screenId = c.getInt(screenIndex); 1917 info.cellX = c.getInt(cellXIndex); 1918 info.cellY = c.getInt(cellYIndex); 1919 info.spanX = 1; 1920 info.spanY = 1; 1921 1922 // check & update map of what's occupied 1923 deleteOnInvalidPlacement.set(false); 1924 if (!checkItemPlacement(occupied, info, deleteOnInvalidPlacement)) { 1925 if (deleteOnInvalidPlacement.get()) { 1926 itemsToRemove.add(id); 1927 } 1928 break; 1929 } 1930 1931 switch (container) { 1932 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1933 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1934 sBgWorkspaceItems.add(info); 1935 break; 1936 default: 1937 // Item is in a user folder 1938 FolderInfo folderInfo = 1939 findOrMakeFolder(sBgFolders, container); 1940 folderInfo.add(info); 1941 break; 1942 } 1943 sBgItemsIdMap.put(info.id, info); 1944 1945 // now that we've loaded everthing re-save it with the 1946 // icon in case it disappears somehow. 1947 queueIconToBeChecked(sBgDbIconCache, info, c, iconIndex); 1948 } else { 1949 throw new RuntimeException("Unexpected null ShortcutInfo"); 1950 } 1951 break; 1952 1953 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1954 id = c.getLong(idIndex); 1955 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 1956 1957 folderInfo.title = c.getString(titleIndex); 1958 folderInfo.id = id; 1959 container = c.getInt(containerIndex); 1960 folderInfo.container = container; 1961 folderInfo.screenId = c.getInt(screenIndex); 1962 folderInfo.cellX = c.getInt(cellXIndex); 1963 folderInfo.cellY = c.getInt(cellYIndex); 1964 folderInfo.spanX = 1; 1965 folderInfo.spanY = 1; 1966 1967 // check & update map of what's occupied 1968 deleteOnInvalidPlacement.set(false); 1969 if (!checkItemPlacement(occupied, folderInfo, 1970 deleteOnInvalidPlacement)) { 1971 if (deleteOnInvalidPlacement.get()) { 1972 itemsToRemove.add(id); 1973 } 1974 break; 1975 } 1976 1977 switch (container) { 1978 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1979 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1980 sBgWorkspaceItems.add(folderInfo); 1981 break; 1982 } 1983 1984 if (restored) { 1985 // no special handling required for restored folders 1986 restoredRows.add(id); 1987 } 1988 1989 sBgItemsIdMap.put(folderInfo.id, folderInfo); 1990 sBgFolders.put(folderInfo.id, folderInfo); 1991 break; 1992 1993 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1994 // Read all Launcher-specific widget details 1995 int appWidgetId = c.getInt(appWidgetIdIndex); 1996 String savedProvider = c.getString(appWidgetProviderIndex); 1997 1998 id = c.getLong(idIndex); 1999 2000 final AppWidgetProviderInfo provider = 2001 widgets.getAppWidgetInfo(appWidgetId); 2002 2003 if (!isSafeMode && (provider == null || provider.provider == null || 2004 provider.provider.getPackageName() == null)) { 2005 String log = "Deleting widget that isn't installed anymore: id=" 2006 + id + " appWidgetId=" + appWidgetId; 2007 Log.e(TAG, log); 2008 Launcher.addDumpLog(TAG, log, false); 2009 itemsToRemove.add(id); 2010 } else { 2011 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 2012 provider.provider); 2013 appWidgetInfo.id = id; 2014 appWidgetInfo.screenId = c.getInt(screenIndex); 2015 appWidgetInfo.cellX = c.getInt(cellXIndex); 2016 appWidgetInfo.cellY = c.getInt(cellYIndex); 2017 appWidgetInfo.spanX = c.getInt(spanXIndex); 2018 appWidgetInfo.spanY = c.getInt(spanYIndex); 2019 int[] minSpan = Launcher.getMinSpanForWidget(context, provider); 2020 appWidgetInfo.minSpanX = minSpan[0]; 2021 appWidgetInfo.minSpanY = minSpan[1]; 2022 2023 container = c.getInt(containerIndex); 2024 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 2025 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2026 Log.e(TAG, "Widget found where container != " + 2027 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 2028 continue; 2029 } 2030 2031 appWidgetInfo.container = c.getInt(containerIndex); 2032 // check & update map of what's occupied 2033 deleteOnInvalidPlacement.set(false); 2034 if (!checkItemPlacement(occupied, appWidgetInfo, 2035 deleteOnInvalidPlacement)) { 2036 if (deleteOnInvalidPlacement.get()) { 2037 itemsToRemove.add(id); 2038 } 2039 break; 2040 } 2041 String providerName = provider.provider.flattenToString(); 2042 if (!providerName.equals(savedProvider)) { 2043 ContentValues values = new ContentValues(); 2044 values.put(LauncherSettings.Favorites.APPWIDGET_PROVIDER, 2045 providerName); 2046 String where = BaseColumns._ID + "= ?"; 2047 String[] args = {Integer.toString(c.getInt(idIndex))}; 2048 contentResolver.update(contentUri, values, where, args); 2049 } 2050 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 2051 sBgAppWidgets.add(appWidgetInfo); 2052 } 2053 break; 2054 } 2055 } catch (Exception e) { 2056 Launcher.addDumpLog(TAG, "Desktop items loading interrupted", e, true); 2057 } 2058 } 2059 } finally { 2060 if (c != null) { 2061 c.close(); 2062 } 2063 } 2064 2065 // Break early if we've stopped loading 2066 if (mStopped) { 2067 clearSBgDataStructures(); 2068 return false; 2069 } 2070 2071 if (itemsToRemove.size() > 0) { 2072 ContentProviderClient client = contentResolver.acquireContentProviderClient( 2073 LauncherSettings.Favorites.CONTENT_URI); 2074 // Remove dead items 2075 for (long id : itemsToRemove) { 2076 if (DEBUG_LOADERS) { 2077 Log.d(TAG, "Removed id = " + id); 2078 } 2079 // Don't notify content observers 2080 try { 2081 client.delete(LauncherSettings.Favorites.getContentUri(id, false), 2082 null, null); 2083 } catch (RemoteException e) { 2084 Log.w(TAG, "Could not remove id = " + id); 2085 } 2086 } 2087 } 2088 2089 if (restoredRows.size() > 0) { 2090 ContentProviderClient updater = contentResolver.acquireContentProviderClient( 2091 LauncherSettings.Favorites.CONTENT_URI); 2092 // Update restored items that no longer require special handling 2093 try { 2094 StringBuilder selectionBuilder = new StringBuilder(); 2095 selectionBuilder.append(LauncherSettings.Favorites._ID); 2096 selectionBuilder.append(" IN ("); 2097 selectionBuilder.append(TextUtils.join(", ", restoredRows)); 2098 selectionBuilder.append(")"); 2099 ContentValues values = new ContentValues(); 2100 values.put(LauncherSettings.Favorites.RESTORED, 0); 2101 updater.update(LauncherSettings.Favorites.CONTENT_URI, 2102 values, selectionBuilder.toString(), null); 2103 } catch (RemoteException e) { 2104 Log.w(TAG, "Could not update restored rows"); 2105 } 2106 } 2107 2108 if (loadedOldDb) { 2109 long maxScreenId = 0; 2110 // If we're importing we use the old screen order. 2111 for (ItemInfo item: sBgItemsIdMap.values()) { 2112 long screenId = item.screenId; 2113 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2114 !sBgWorkspaceScreens.contains(screenId)) { 2115 sBgWorkspaceScreens.add(screenId); 2116 if (screenId > maxScreenId) { 2117 maxScreenId = screenId; 2118 } 2119 } 2120 } 2121 Collections.sort(sBgWorkspaceScreens); 2122 // Log to disk 2123 Launcher.addDumpLog(TAG, "11683562 - maxScreenId: " + maxScreenId, true); 2124 Launcher.addDumpLog(TAG, "11683562 - sBgWorkspaceScreens: " + 2125 TextUtils.join(", ", sBgWorkspaceScreens), true); 2126 2127 LauncherAppState.getLauncherProvider().updateMaxScreenId(maxScreenId); 2128 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2129 2130 // Update the max item id after we load an old db 2131 long maxItemId = 0; 2132 // If we're importing we use the old screen order. 2133 for (ItemInfo item: sBgItemsIdMap.values()) { 2134 maxItemId = Math.max(maxItemId, item.id); 2135 } 2136 LauncherAppState.getLauncherProvider().updateMaxItemId(maxItemId); 2137 } else { 2138 TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(mContext); 2139 for (Integer i : orderedScreens.keySet()) { 2140 sBgWorkspaceScreens.add(orderedScreens.get(i)); 2141 } 2142 // Log to disk 2143 Launcher.addDumpLog(TAG, "11683562 - sBgWorkspaceScreens: " + 2144 TextUtils.join(", ", sBgWorkspaceScreens), true); 2145 2146 // Remove any empty screens 2147 ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens); 2148 for (ItemInfo item: sBgItemsIdMap.values()) { 2149 long screenId = item.screenId; 2150 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2151 unusedScreens.contains(screenId)) { 2152 unusedScreens.remove(screenId); 2153 } 2154 } 2155 2156 // If there are any empty screens remove them, and update. 2157 if (unusedScreens.size() != 0) { 2158 // Log to disk 2159 Launcher.addDumpLog(TAG, "11683562 - unusedScreens (to be removed): " + 2160 TextUtils.join(", ", unusedScreens), true); 2161 2162 sBgWorkspaceScreens.removeAll(unusedScreens); 2163 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2164 } 2165 } 2166 2167 if (DEBUG_LOADERS) { 2168 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 2169 Log.d(TAG, "workspace layout: "); 2170 int nScreens = occupied.size(); 2171 for (int y = 0; y < countY; y++) { 2172 String line = ""; 2173 2174 Iterator<Long> iter = occupied.keySet().iterator(); 2175 while (iter.hasNext()) { 2176 long screenId = iter.next(); 2177 if (screenId > 0) { 2178 line += " | "; 2179 } 2180 for (int x = 0; x < countX; x++) { 2181 line += ((occupied.get(screenId)[x][y] != null) ? "#" : "."); 2182 } 2183 } 2184 Log.d(TAG, "[ " + line + " ]"); 2185 } 2186 } 2187 } 2188 return loadedOldDb; 2189 } 2190 2191 /** Filters the set of items who are directly or indirectly (via another container) on the 2192 * specified screen. */ 2193 private void filterCurrentWorkspaceItems(long currentScreenId, 2194 ArrayList<ItemInfo> allWorkspaceItems, 2195 ArrayList<ItemInfo> currentScreenItems, 2196 ArrayList<ItemInfo> otherScreenItems) { 2197 // Purge any null ItemInfos 2198 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 2199 while (iter.hasNext()) { 2200 ItemInfo i = iter.next(); 2201 if (i == null) { 2202 iter.remove(); 2203 } 2204 } 2205 2206 // Order the set of items by their containers first, this allows use to walk through the 2207 // list sequentially, build up a list of containers that are in the specified screen, 2208 // as well as all items in those containers. 2209 Set<Long> itemsOnScreen = new HashSet<Long>(); 2210 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 2211 @Override 2212 public int compare(ItemInfo lhs, ItemInfo rhs) { 2213 return (int) (lhs.container - rhs.container); 2214 } 2215 }); 2216 for (ItemInfo info : allWorkspaceItems) { 2217 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 2218 if (info.screenId == currentScreenId) { 2219 currentScreenItems.add(info); 2220 itemsOnScreen.add(info.id); 2221 } else { 2222 otherScreenItems.add(info); 2223 } 2224 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2225 currentScreenItems.add(info); 2226 itemsOnScreen.add(info.id); 2227 } else { 2228 if (itemsOnScreen.contains(info.container)) { 2229 currentScreenItems.add(info); 2230 itemsOnScreen.add(info.id); 2231 } else { 2232 otherScreenItems.add(info); 2233 } 2234 } 2235 } 2236 } 2237 2238 /** Filters the set of widgets which are on the specified screen. */ 2239 private void filterCurrentAppWidgets(long currentScreenId, 2240 ArrayList<LauncherAppWidgetInfo> appWidgets, 2241 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 2242 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 2243 2244 for (LauncherAppWidgetInfo widget : appWidgets) { 2245 if (widget == null) continue; 2246 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2247 widget.screenId == currentScreenId) { 2248 currentScreenWidgets.add(widget); 2249 } else { 2250 otherScreenWidgets.add(widget); 2251 } 2252 } 2253 } 2254 2255 /** Filters the set of folders which are on the specified screen. */ 2256 private void filterCurrentFolders(long currentScreenId, 2257 HashMap<Long, ItemInfo> itemsIdMap, 2258 HashMap<Long, FolderInfo> folders, 2259 HashMap<Long, FolderInfo> currentScreenFolders, 2260 HashMap<Long, FolderInfo> otherScreenFolders) { 2261 2262 for (long id : folders.keySet()) { 2263 ItemInfo info = itemsIdMap.get(id); 2264 FolderInfo folder = folders.get(id); 2265 if (info == null || folder == null) continue; 2266 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2267 info.screenId == currentScreenId) { 2268 currentScreenFolders.put(id, folder); 2269 } else { 2270 otherScreenFolders.put(id, folder); 2271 } 2272 } 2273 } 2274 2275 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 2276 * right) */ 2277 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 2278 final LauncherAppState app = LauncherAppState.getInstance(); 2279 final DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 2280 // XXX: review this 2281 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 2282 @Override 2283 public int compare(ItemInfo lhs, ItemInfo rhs) { 2284 int cellCountX = (int) grid.numColumns; 2285 int cellCountY = (int) grid.numRows; 2286 int screenOffset = cellCountX * cellCountY; 2287 int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat 2288 long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset + 2289 lhs.cellY * cellCountX + lhs.cellX); 2290 long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset + 2291 rhs.cellY * cellCountX + rhs.cellX); 2292 return (int) (lr - rr); 2293 } 2294 }); 2295 } 2296 2297 private void bindWorkspaceScreens(final Callbacks oldCallbacks, 2298 final ArrayList<Long> orderedScreens) { 2299 final Runnable r = new Runnable() { 2300 @Override 2301 public void run() { 2302 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2303 if (callbacks != null) { 2304 callbacks.bindScreens(orderedScreens); 2305 } 2306 } 2307 }; 2308 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2309 } 2310 2311 private void bindWorkspaceItems(final Callbacks oldCallbacks, 2312 final ArrayList<ItemInfo> workspaceItems, 2313 final ArrayList<LauncherAppWidgetInfo> appWidgets, 2314 final HashMap<Long, FolderInfo> folders, 2315 ArrayList<Runnable> deferredBindRunnables) { 2316 2317 final boolean postOnMainThread = (deferredBindRunnables != null); 2318 2319 // Bind the workspace items 2320 int N = workspaceItems.size(); 2321 for (int i = 0; i < N; i += ITEMS_CHUNK) { 2322 final int start = i; 2323 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 2324 final Runnable r = new Runnable() { 2325 @Override 2326 public void run() { 2327 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2328 if (callbacks != null) { 2329 callbacks.bindItems(workspaceItems, start, start+chunkSize, 2330 false); 2331 } 2332 } 2333 }; 2334 if (postOnMainThread) { 2335 deferredBindRunnables.add(r); 2336 } else { 2337 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2338 } 2339 } 2340 2341 // Bind the folders 2342 if (!folders.isEmpty()) { 2343 final Runnable r = new Runnable() { 2344 public void run() { 2345 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2346 if (callbacks != null) { 2347 callbacks.bindFolders(folders); 2348 } 2349 } 2350 }; 2351 if (postOnMainThread) { 2352 deferredBindRunnables.add(r); 2353 } else { 2354 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2355 } 2356 } 2357 2358 // Bind the widgets, one at a time 2359 N = appWidgets.size(); 2360 for (int i = 0; i < N; i++) { 2361 final LauncherAppWidgetInfo widget = appWidgets.get(i); 2362 final Runnable r = new Runnable() { 2363 public void run() { 2364 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2365 if (callbacks != null) { 2366 callbacks.bindAppWidget(widget); 2367 } 2368 } 2369 }; 2370 if (postOnMainThread) { 2371 deferredBindRunnables.add(r); 2372 } else { 2373 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2374 } 2375 } 2376 } 2377 2378 /** 2379 * Binds all loaded data to actual views on the main thread. 2380 */ 2381 private void bindWorkspace(int synchronizeBindPage, final boolean isUpgradePath) { 2382 final long t = SystemClock.uptimeMillis(); 2383 Runnable r; 2384 2385 // Don't use these two variables in any of the callback runnables. 2386 // Otherwise we hold a reference to them. 2387 final Callbacks oldCallbacks = mCallbacks.get(); 2388 if (oldCallbacks == null) { 2389 // This launcher has exited and nobody bothered to tell us. Just bail. 2390 Log.w(TAG, "LoaderTask running with no launcher"); 2391 return; 2392 } 2393 2394 // Save a copy of all the bg-thread collections 2395 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 2396 ArrayList<LauncherAppWidgetInfo> appWidgets = 2397 new ArrayList<LauncherAppWidgetInfo>(); 2398 HashMap<Long, FolderInfo> folders = new HashMap<Long, FolderInfo>(); 2399 HashMap<Long, ItemInfo> itemsIdMap = new HashMap<Long, ItemInfo>(); 2400 ArrayList<Long> orderedScreenIds = new ArrayList<Long>(); 2401 synchronized (sBgLock) { 2402 workspaceItems.addAll(sBgWorkspaceItems); 2403 appWidgets.addAll(sBgAppWidgets); 2404 folders.putAll(sBgFolders); 2405 itemsIdMap.putAll(sBgItemsIdMap); 2406 orderedScreenIds.addAll(sBgWorkspaceScreens); 2407 } 2408 2409 final boolean isLoadingSynchronously = 2410 synchronizeBindPage != PagedView.INVALID_RESTORE_PAGE; 2411 int currScreen = isLoadingSynchronously ? synchronizeBindPage : 2412 oldCallbacks.getCurrentWorkspaceScreen(); 2413 if (currScreen >= orderedScreenIds.size()) { 2414 // There may be no workspace screens (just hotseat items and an empty page). 2415 currScreen = PagedView.INVALID_RESTORE_PAGE; 2416 } 2417 final int currentScreen = currScreen; 2418 final long currentScreenId = currentScreen < 0 2419 ? INVALID_SCREEN_ID : orderedScreenIds.get(currentScreen); 2420 2421 // Load all the items that are on the current page first (and in the process, unbind 2422 // all the existing workspace items before we call startBinding() below. 2423 unbindWorkspaceItemsOnMainThread(); 2424 2425 // Separate the items that are on the current screen, and all the other remaining items 2426 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 2427 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 2428 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 2429 new ArrayList<LauncherAppWidgetInfo>(); 2430 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 2431 new ArrayList<LauncherAppWidgetInfo>(); 2432 HashMap<Long, FolderInfo> currentFolders = new HashMap<Long, FolderInfo>(); 2433 HashMap<Long, FolderInfo> otherFolders = new HashMap<Long, FolderInfo>(); 2434 2435 filterCurrentWorkspaceItems(currentScreenId, workspaceItems, currentWorkspaceItems, 2436 otherWorkspaceItems); 2437 filterCurrentAppWidgets(currentScreenId, appWidgets, currentAppWidgets, 2438 otherAppWidgets); 2439 filterCurrentFolders(currentScreenId, itemsIdMap, folders, currentFolders, 2440 otherFolders); 2441 sortWorkspaceItemsSpatially(currentWorkspaceItems); 2442 sortWorkspaceItemsSpatially(otherWorkspaceItems); 2443 2444 // Tell the workspace that we're about to start binding items 2445 r = new Runnable() { 2446 public void run() { 2447 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2448 if (callbacks != null) { 2449 callbacks.startBinding(); 2450 } 2451 } 2452 }; 2453 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2454 2455 bindWorkspaceScreens(oldCallbacks, orderedScreenIds); 2456 2457 // Load items on the current page 2458 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 2459 currentFolders, null); 2460 if (isLoadingSynchronously) { 2461 r = new Runnable() { 2462 public void run() { 2463 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2464 if (callbacks != null && currentScreen != PagedView.INVALID_RESTORE_PAGE) { 2465 callbacks.onPageBoundSynchronously(currentScreen); 2466 } 2467 } 2468 }; 2469 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2470 } 2471 2472 // Load all the remaining pages (if we are loading synchronously, we want to defer this 2473 // work until after the first render) 2474 mDeferredBindRunnables.clear(); 2475 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, 2476 (isLoadingSynchronously ? mDeferredBindRunnables : null)); 2477 2478 // Tell the workspace that we're done binding items 2479 r = new Runnable() { 2480 public void run() { 2481 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2482 if (callbacks != null) { 2483 callbacks.finishBindingItems(isUpgradePath); 2484 } 2485 2486 // If we're profiling, ensure this is the last thing in the queue. 2487 if (DEBUG_LOADERS) { 2488 Log.d(TAG, "bound workspace in " 2489 + (SystemClock.uptimeMillis()-t) + "ms"); 2490 } 2491 2492 mIsLoadingAndBindingWorkspace = false; 2493 } 2494 }; 2495 if (isLoadingSynchronously) { 2496 mDeferredBindRunnables.add(r); 2497 } else { 2498 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2499 } 2500 } 2501 2502 private void loadAndBindAllApps() { 2503 if (DEBUG_LOADERS) { 2504 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 2505 } 2506 if (!mAllAppsLoaded) { 2507 loadAllApps(); 2508 synchronized (LoaderTask.this) { 2509 if (mStopped) { 2510 return; 2511 } 2512 mAllAppsLoaded = true; 2513 } 2514 } else { 2515 onlyBindAllApps(); 2516 } 2517 } 2518 2519 private void onlyBindAllApps() { 2520 final Callbacks oldCallbacks = mCallbacks.get(); 2521 if (oldCallbacks == null) { 2522 // This launcher has exited and nobody bothered to tell us. Just bail. 2523 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 2524 return; 2525 } 2526 2527 // shallow copy 2528 @SuppressWarnings("unchecked") 2529 final ArrayList<AppInfo> list 2530 = (ArrayList<AppInfo>) mBgAllAppsList.data.clone(); 2531 Runnable r = new Runnable() { 2532 public void run() { 2533 final long t = SystemClock.uptimeMillis(); 2534 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2535 if (callbacks != null) { 2536 callbacks.bindAllApplications(list); 2537 } 2538 if (DEBUG_LOADERS) { 2539 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 2540 + (SystemClock.uptimeMillis()-t) + "ms"); 2541 } 2542 } 2543 }; 2544 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 2545 if (isRunningOnMainThread) { 2546 r.run(); 2547 } else { 2548 mHandler.post(r); 2549 } 2550 } 2551 2552 private void loadAllApps() { 2553 final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2554 2555 final Callbacks oldCallbacks = mCallbacks.get(); 2556 if (oldCallbacks == null) { 2557 // This launcher has exited and nobody bothered to tell us. Just bail. 2558 Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); 2559 return; 2560 } 2561 2562 final PackageManager packageManager = mContext.getPackageManager(); 2563 final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 2564 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2565 2566 // Clear the list of apps 2567 mBgAllAppsList.clear(); 2568 2569 // Query for the set of apps 2570 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2571 List<ResolveInfo> apps = packageManager.queryIntentActivities(mainIntent, 0); 2572 if (DEBUG_LOADERS) { 2573 Log.d(TAG, "queryIntentActivities took " 2574 + (SystemClock.uptimeMillis()-qiaTime) + "ms"); 2575 Log.d(TAG, "queryIntentActivities got " + apps.size() + " apps"); 2576 } 2577 // Fail if we don't have any apps 2578 if (apps == null || apps.isEmpty()) { 2579 return; 2580 } 2581 // Sort the applications by name 2582 final long sortTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2583 Collections.sort(apps, 2584 new LauncherModel.ShortcutNameComparator(packageManager, mLabelCache)); 2585 if (DEBUG_LOADERS) { 2586 Log.d(TAG, "sort took " 2587 + (SystemClock.uptimeMillis()-sortTime) + "ms"); 2588 } 2589 2590 // Create the ApplicationInfos 2591 for (int i = 0; i < apps.size(); i++) { 2592 ResolveInfo app = apps.get(i); 2593 // This builds the icon bitmaps. 2594 mBgAllAppsList.add(new AppInfo(packageManager, app, 2595 mIconCache, mLabelCache)); 2596 } 2597 2598 // Huh? Shouldn't this be inside the Runnable below? 2599 final ArrayList<AppInfo> added = mBgAllAppsList.added; 2600 mBgAllAppsList.added = new ArrayList<AppInfo>(); 2601 2602 // Post callback on main thread 2603 mHandler.post(new Runnable() { 2604 public void run() { 2605 final long bindTime = SystemClock.uptimeMillis(); 2606 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2607 if (callbacks != null) { 2608 callbacks.bindAllApplications(added); 2609 if (DEBUG_LOADERS) { 2610 Log.d(TAG, "bound " + added.size() + " apps in " 2611 + (SystemClock.uptimeMillis() - bindTime) + "ms"); 2612 } 2613 } else { 2614 Log.i(TAG, "not binding apps: no Launcher activity"); 2615 } 2616 } 2617 }); 2618 2619 if (DEBUG_LOADERS) { 2620 Log.d(TAG, "Icons processed in " 2621 + (SystemClock.uptimeMillis() - loadTime) + "ms"); 2622 } 2623 } 2624 2625 public void dumpState() { 2626 synchronized (sBgLock) { 2627 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 2628 Log.d(TAG, "mLoaderTask.mIsLaunching=" + mIsLaunching); 2629 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 2630 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 2631 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 2632 } 2633 } 2634 } 2635 2636 void enqueuePackageUpdated(PackageUpdatedTask task) { 2637 sWorker.post(task); 2638 } 2639 2640 private class PackageUpdatedTask implements Runnable { 2641 int mOp; 2642 String[] mPackages; 2643 2644 public static final int OP_NONE = 0; 2645 public static final int OP_ADD = 1; 2646 public static final int OP_UPDATE = 2; 2647 public static final int OP_REMOVE = 3; // uninstlled 2648 public static final int OP_UNAVAILABLE = 4; // external media unmounted 2649 2650 2651 public PackageUpdatedTask(int op, String[] packages) { 2652 mOp = op; 2653 mPackages = packages; 2654 } 2655 2656 public void run() { 2657 final Context context = mApp.getContext(); 2658 2659 final String[] packages = mPackages; 2660 final int N = packages.length; 2661 switch (mOp) { 2662 case OP_ADD: 2663 for (int i=0; i<N; i++) { 2664 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 2665 mBgAllAppsList.addPackage(context, packages[i]); 2666 } 2667 break; 2668 case OP_UPDATE: 2669 for (int i=0; i<N; i++) { 2670 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 2671 mBgAllAppsList.updatePackage(context, packages[i]); 2672 WidgetPreviewLoader.removePackageFromDb( 2673 mApp.getWidgetPreviewCacheDb(), packages[i]); 2674 } 2675 break; 2676 case OP_REMOVE: 2677 case OP_UNAVAILABLE: 2678 for (int i=0; i<N; i++) { 2679 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 2680 mBgAllAppsList.removePackage(packages[i]); 2681 WidgetPreviewLoader.removePackageFromDb( 2682 mApp.getWidgetPreviewCacheDb(), packages[i]); 2683 } 2684 break; 2685 } 2686 2687 ArrayList<AppInfo> added = null; 2688 ArrayList<AppInfo> modified = null; 2689 final ArrayList<AppInfo> removedApps = new ArrayList<AppInfo>(); 2690 2691 if (mBgAllAppsList.added.size() > 0) { 2692 added = new ArrayList<AppInfo>(mBgAllAppsList.added); 2693 mBgAllAppsList.added.clear(); 2694 } 2695 if (mBgAllAppsList.modified.size() > 0) { 2696 modified = new ArrayList<AppInfo>(mBgAllAppsList.modified); 2697 mBgAllAppsList.modified.clear(); 2698 } 2699 if (mBgAllAppsList.removed.size() > 0) { 2700 removedApps.addAll(mBgAllAppsList.removed); 2701 mBgAllAppsList.removed.clear(); 2702 } 2703 2704 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 2705 if (callbacks == null) { 2706 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 2707 return; 2708 } 2709 2710 if (added != null) { 2711 // Ensure that we add all the workspace applications to the db 2712 if (LauncherAppState.isDisableAllApps()) { 2713 final ArrayList<ItemInfo> addedInfos = new ArrayList<ItemInfo>(added); 2714 addAndBindAddedWorkspaceApps(context, addedInfos); 2715 } else { 2716 addAppsToAllApps(context, added); 2717 } 2718 } 2719 2720 if (modified != null) { 2721 final ArrayList<AppInfo> modifiedFinal = modified; 2722 2723 // Update the launcher db to reflect the changes 2724 for (AppInfo a : modifiedFinal) { 2725 ArrayList<ItemInfo> infos = 2726 getItemInfoForComponentName(a.componentName); 2727 for (ItemInfo i : infos) { 2728 if (isShortcutInfoUpdateable(i)) { 2729 ShortcutInfo info = (ShortcutInfo) i; 2730 info.title = a.title.toString(); 2731 updateItemInDatabase(context, info); 2732 } 2733 } 2734 } 2735 2736 mHandler.post(new Runnable() { 2737 public void run() { 2738 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2739 if (callbacks == cb && cb != null) { 2740 callbacks.bindAppsUpdated(modifiedFinal); 2741 } 2742 } 2743 }); 2744 } 2745 2746 final ArrayList<String> removedPackageNames = 2747 new ArrayList<String>(); 2748 if (mOp == OP_REMOVE) { 2749 // Mark all packages in the broadcast to be removed 2750 removedPackageNames.addAll(Arrays.asList(packages)); 2751 } else if (mOp == OP_UPDATE) { 2752 // Mark disabled packages in the broadcast to be removed 2753 final PackageManager pm = context.getPackageManager(); 2754 for (int i=0; i<N; i++) { 2755 if (isPackageDisabled(pm, packages[i])) { 2756 removedPackageNames.add(packages[i]); 2757 } 2758 } 2759 } 2760 // Remove all the components associated with this package 2761 for (String pn : removedPackageNames) { 2762 ArrayList<ItemInfo> infos = getItemInfoForPackageName(pn); 2763 for (ItemInfo i : infos) { 2764 deleteItemFromDatabase(context, i); 2765 } 2766 } 2767 // Remove all the specific components 2768 for (AppInfo a : removedApps) { 2769 ArrayList<ItemInfo> infos = getItemInfoForComponentName(a.componentName); 2770 for (ItemInfo i : infos) { 2771 deleteItemFromDatabase(context, i); 2772 } 2773 } 2774 if (!removedPackageNames.isEmpty() || !removedApps.isEmpty()) { 2775 // Remove any queued items from the install queue 2776 String spKey = LauncherAppState.getSharedPreferencesKey(); 2777 SharedPreferences sp = 2778 context.getSharedPreferences(spKey, Context.MODE_PRIVATE); 2779 InstallShortcutReceiver.removeFromInstallQueue(sp, removedPackageNames); 2780 // Call the components-removed callback 2781 mHandler.post(new Runnable() { 2782 public void run() { 2783 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2784 if (callbacks == cb && cb != null) { 2785 callbacks.bindComponentsRemoved(removedPackageNames, removedApps); 2786 } 2787 } 2788 }); 2789 } 2790 2791 final ArrayList<Object> widgetsAndShortcuts = 2792 getSortedWidgetsAndShortcuts(context); 2793 mHandler.post(new Runnable() { 2794 @Override 2795 public void run() { 2796 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2797 if (callbacks == cb && cb != null) { 2798 callbacks.bindPackagesUpdated(widgetsAndShortcuts); 2799 } 2800 } 2801 }); 2802 2803 // Write all the logs to disk 2804 mHandler.post(new Runnable() { 2805 public void run() { 2806 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2807 if (callbacks == cb && cb != null) { 2808 callbacks.dumpLogsToLocalData(); 2809 } 2810 } 2811 }); 2812 } 2813 } 2814 2815 // Returns a list of ResolveInfos/AppWindowInfos in sorted order 2816 public static ArrayList<Object> getSortedWidgetsAndShortcuts(Context context) { 2817 PackageManager packageManager = context.getPackageManager(); 2818 final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>(); 2819 widgetsAndShortcuts.addAll(AppWidgetManager.getInstance(context).getInstalledProviders()); 2820 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 2821 widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0)); 2822 Collections.sort(widgetsAndShortcuts, 2823 new LauncherModel.WidgetAndShortcutNameComparator(packageManager)); 2824 return widgetsAndShortcuts; 2825 } 2826 2827 private static boolean isPackageDisabled(PackageManager pm, String packageName) { 2828 try { 2829 PackageInfo pi = pm.getPackageInfo(packageName, 0); 2830 return !pi.applicationInfo.enabled; 2831 } catch (NameNotFoundException e) { 2832 // Fall through 2833 } 2834 return false; 2835 } 2836 2837 public static boolean isValidPackageComponent(PackageManager pm, ComponentName cn) { 2838 if (cn == null) { 2839 return false; 2840 } 2841 if (isPackageDisabled(pm, cn.getPackageName())) { 2842 return false; 2843 } 2844 2845 try { 2846 // Check the activity 2847 PackageInfo pi = pm.getPackageInfo(cn.getPackageName(), 0); 2848 return (pm.getActivityInfo(cn, 0) != null); 2849 } catch (NameNotFoundException e) { 2850 return false; 2851 } 2852 } 2853 2854 /** 2855 * Make an ShortcutInfo object for a restored application or shortcut item that points 2856 * to a package that is not yet installed on the system. 2857 */ 2858 public ShortcutInfo getRestoredItemInfo(Cursor cursor, int titleIndex, Intent intent) { 2859 final ShortcutInfo info = new ShortcutInfo(); 2860 info.usingFallbackIcon = true; 2861 info.setIcon(getFallbackIcon()); 2862 if (cursor != null) { 2863 info.title = cursor.getString(titleIndex); 2864 } else { 2865 info.title = ""; 2866 } 2867 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 2868 info.restoredIntent = intent; 2869 return info; 2870 } 2871 2872 /** 2873 * Make an Intent object for a restored application or shortcut item that points 2874 * to the market page for the item. 2875 */ 2876 private Intent getRestoredItemIntent(Cursor c, Context context, Intent intent) { 2877 final boolean debug = false; 2878 ComponentName componentName = intent.getComponent(); 2879 Intent marketIntent = new Intent(Intent.ACTION_VIEW); 2880 Uri marketUri = new Uri.Builder() 2881 .scheme("market") 2882 .authority("details") 2883 .appendQueryParameter("id", componentName.getPackageName()) 2884 .build(); 2885 if (debug) Log.d(TAG, "manufactured intent uri: " + marketUri.toString()); 2886 marketIntent.setData(marketUri); 2887 return marketIntent; 2888 } 2889 2890 /** 2891 * This is called from the code that adds shortcuts from the intent receiver. This 2892 * doesn't have a Cursor, but 2893 */ 2894 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context) { 2895 return getShortcutInfo(manager, intent, context, null, -1, -1, null); 2896 } 2897 2898 /** 2899 * Make an ShortcutInfo object for a shortcut that is an application. 2900 * 2901 * If c is not null, then it will be used to fill in missing data like the title and icon. 2902 */ 2903 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context, 2904 Cursor c, int iconIndex, int titleIndex, HashMap<Object, CharSequence> labelCache) { 2905 ComponentName componentName = intent.getComponent(); 2906 final ShortcutInfo info = new ShortcutInfo(); 2907 if (componentName != null && !isValidPackageComponent(manager, componentName)) { 2908 Log.d(TAG, "Invalid package found in getShortcutInfo: " + componentName); 2909 return null; 2910 } else { 2911 try { 2912 PackageInfo pi = manager.getPackageInfo(componentName.getPackageName(), 0); 2913 info.initFlagsAndFirstInstallTime(pi); 2914 } catch (NameNotFoundException e) { 2915 Log.d(TAG, "getPackInfo failed for package " + 2916 componentName.getPackageName()); 2917 } 2918 } 2919 2920 // TODO: See if the PackageManager knows about this case. If it doesn't 2921 // then return null & delete this. 2922 2923 // the resource -- This may implicitly give us back the fallback icon, 2924 // but don't worry about that. All we're doing with usingFallbackIcon is 2925 // to avoid saving lots of copies of that in the database, and most apps 2926 // have icons anyway. 2927 2928 // Attempt to use queryIntentActivities to get the ResolveInfo (with IntentFilter info) and 2929 // if that fails, or is ambiguious, fallback to the standard way of getting the resolve info 2930 // via resolveActivity(). 2931 Bitmap icon = null; 2932 ResolveInfo resolveInfo = null; 2933 ComponentName oldComponent = intent.getComponent(); 2934 Intent newIntent = new Intent(intent.getAction(), null); 2935 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2936 newIntent.setPackage(oldComponent.getPackageName()); 2937 List<ResolveInfo> infos = manager.queryIntentActivities(newIntent, 0); 2938 for (ResolveInfo i : infos) { 2939 ComponentName cn = new ComponentName(i.activityInfo.packageName, 2940 i.activityInfo.name); 2941 if (cn.equals(oldComponent)) { 2942 resolveInfo = i; 2943 } 2944 } 2945 if (resolveInfo == null) { 2946 resolveInfo = manager.resolveActivity(intent, 0); 2947 } 2948 if (resolveInfo != null) { 2949 icon = mIconCache.getIcon(componentName, resolveInfo, labelCache); 2950 } 2951 // the db 2952 if (icon == null) { 2953 if (c != null) { 2954 icon = getIconFromCursor(c, iconIndex, context); 2955 } 2956 } 2957 // the fallback icon 2958 if (icon == null) { 2959 icon = getFallbackIcon(); 2960 info.usingFallbackIcon = true; 2961 } 2962 info.setIcon(icon); 2963 2964 // from the resource 2965 if (resolveInfo != null) { 2966 ComponentName key = LauncherModel.getComponentNameFromResolveInfo(resolveInfo); 2967 if (labelCache != null && labelCache.containsKey(key)) { 2968 info.title = labelCache.get(key); 2969 } else { 2970 info.title = resolveInfo.activityInfo.loadLabel(manager); 2971 if (labelCache != null) { 2972 labelCache.put(key, info.title); 2973 } 2974 } 2975 } 2976 // from the db 2977 if (info.title == null) { 2978 if (c != null) { 2979 info.title = c.getString(titleIndex); 2980 } 2981 } 2982 // fall back to the class name of the activity 2983 if (info.title == null) { 2984 info.title = componentName.getClassName(); 2985 } 2986 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 2987 return info; 2988 } 2989 2990 static ArrayList<ItemInfo> filterItemInfos(Collection<ItemInfo> infos, 2991 ItemInfoFilter f) { 2992 HashSet<ItemInfo> filtered = new HashSet<ItemInfo>(); 2993 for (ItemInfo i : infos) { 2994 if (i instanceof ShortcutInfo) { 2995 ShortcutInfo info = (ShortcutInfo) i; 2996 ComponentName cn = info.intent.getComponent(); 2997 if (cn != null && f.filterItem(null, info, cn)) { 2998 filtered.add(info); 2999 } 3000 } else if (i instanceof FolderInfo) { 3001 FolderInfo info = (FolderInfo) i; 3002 for (ShortcutInfo s : info.contents) { 3003 ComponentName cn = s.intent.getComponent(); 3004 if (cn != null && f.filterItem(info, s, cn)) { 3005 filtered.add(s); 3006 } 3007 } 3008 } else if (i instanceof LauncherAppWidgetInfo) { 3009 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; 3010 ComponentName cn = info.providerName; 3011 if (cn != null && f.filterItem(null, info, cn)) { 3012 filtered.add(info); 3013 } 3014 } 3015 } 3016 return new ArrayList<ItemInfo>(filtered); 3017 } 3018 3019 private ArrayList<ItemInfo> getItemInfoForPackageName(final String pn) { 3020 ItemInfoFilter filter = new ItemInfoFilter() { 3021 @Override 3022 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 3023 return cn.getPackageName().equals(pn); 3024 } 3025 }; 3026 return filterItemInfos(sBgItemsIdMap.values(), filter); 3027 } 3028 3029 private ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname) { 3030 ItemInfoFilter filter = new ItemInfoFilter() { 3031 @Override 3032 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 3033 return cn.equals(cname); 3034 } 3035 }; 3036 return filterItemInfos(sBgItemsIdMap.values(), filter); 3037 } 3038 3039 public static boolean isShortcutInfoUpdateable(ItemInfo i) { 3040 if (i instanceof ShortcutInfo) { 3041 ShortcutInfo info = (ShortcutInfo) i; 3042 // We need to check for ACTION_MAIN otherwise getComponent() might 3043 // return null for some shortcuts (for instance, for shortcuts to 3044 // web pages.) 3045 Intent intent = info.intent; 3046 ComponentName name = intent.getComponent(); 3047 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 3048 Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 3049 return true; 3050 } 3051 // placeholder shortcuts get special treatment, let them through too. 3052 if (info.getRestoredIntent() != null) { 3053 return true; 3054 } 3055 } 3056 return false; 3057 } 3058 3059 /** 3060 * Make an ShortcutInfo object for a shortcut that isn't an application. 3061 */ 3062 private ShortcutInfo getShortcutInfo(Cursor c, Context context, 3063 int iconTypeIndex, int iconPackageIndex, int iconResourceIndex, int iconIndex, 3064 int titleIndex) { 3065 3066 Bitmap icon = null; 3067 final ShortcutInfo info = new ShortcutInfo(); 3068 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 3069 3070 // TODO: If there's an explicit component and we can't install that, delete it. 3071 3072 info.title = c.getString(titleIndex); 3073 3074 int iconType = c.getInt(iconTypeIndex); 3075 switch (iconType) { 3076 case LauncherSettings.Favorites.ICON_TYPE_RESOURCE: 3077 String packageName = c.getString(iconPackageIndex); 3078 String resourceName = c.getString(iconResourceIndex); 3079 PackageManager packageManager = context.getPackageManager(); 3080 info.customIcon = false; 3081 // the resource 3082 try { 3083 Resources resources = packageManager.getResourcesForApplication(packageName); 3084 if (resources != null) { 3085 final int id = resources.getIdentifier(resourceName, null, null); 3086 icon = Utilities.createIconBitmap( 3087 mIconCache.getFullResIcon(resources, id), context); 3088 } 3089 } catch (Exception e) { 3090 // drop this. we have other places to look for icons 3091 } 3092 // the db 3093 if (icon == null) { 3094 icon = getIconFromCursor(c, iconIndex, context); 3095 } 3096 // the fallback icon 3097 if (icon == null) { 3098 icon = getFallbackIcon(); 3099 info.usingFallbackIcon = true; 3100 } 3101 break; 3102 case LauncherSettings.Favorites.ICON_TYPE_BITMAP: 3103 icon = getIconFromCursor(c, iconIndex, context); 3104 if (icon == null) { 3105 icon = getFallbackIcon(); 3106 info.customIcon = false; 3107 info.usingFallbackIcon = true; 3108 } else { 3109 info.customIcon = true; 3110 } 3111 break; 3112 default: 3113 icon = getFallbackIcon(); 3114 info.usingFallbackIcon = true; 3115 info.customIcon = false; 3116 break; 3117 } 3118 info.setIcon(icon); 3119 return info; 3120 } 3121 3122 Bitmap getIconFromCursor(Cursor c, int iconIndex, Context context) { 3123 @SuppressWarnings("all") // suppress dead code warning 3124 final boolean debug = false; 3125 if (debug) { 3126 Log.d(TAG, "getIconFromCursor app=" 3127 + c.getString(c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE))); 3128 } 3129 byte[] data = c.getBlob(iconIndex); 3130 try { 3131 return Utilities.createIconBitmap( 3132 BitmapFactory.decodeByteArray(data, 0, data.length), context); 3133 } catch (Exception e) { 3134 return null; 3135 } 3136 } 3137 3138 ShortcutInfo addShortcut(Context context, Intent data, long container, int screen, 3139 int cellX, int cellY, boolean notify) { 3140 final ShortcutInfo info = infoFromShortcutIntent(context, data, null); 3141 if (info == null) { 3142 return null; 3143 } 3144 addItemToDatabase(context, info, container, screen, cellX, cellY, notify); 3145 3146 return info; 3147 } 3148 3149 /** 3150 * Attempts to find an AppWidgetProviderInfo that matches the given component. 3151 */ 3152 AppWidgetProviderInfo findAppWidgetProviderInfoWithComponent(Context context, 3153 ComponentName component) { 3154 List<AppWidgetProviderInfo> widgets = 3155 AppWidgetManager.getInstance(context).getInstalledProviders(); 3156 for (AppWidgetProviderInfo info : widgets) { 3157 if (info.provider.equals(component)) { 3158 return info; 3159 } 3160 } 3161 return null; 3162 } 3163 3164 /** 3165 * Returns a list of all the widgets that can handle configuration with a particular mimeType. 3166 */ 3167 List<WidgetMimeTypeHandlerData> resolveWidgetsForMimeType(Context context, String mimeType) { 3168 final PackageManager packageManager = context.getPackageManager(); 3169 final List<WidgetMimeTypeHandlerData> supportedConfigurationActivities = 3170 new ArrayList<WidgetMimeTypeHandlerData>(); 3171 3172 final Intent supportsIntent = 3173 new Intent(InstallWidgetReceiver.ACTION_SUPPORTS_CLIPDATA_MIMETYPE); 3174 supportsIntent.setType(mimeType); 3175 3176 // Create a set of widget configuration components that we can test against 3177 final List<AppWidgetProviderInfo> widgets = 3178 AppWidgetManager.getInstance(context).getInstalledProviders(); 3179 final HashMap<ComponentName, AppWidgetProviderInfo> configurationComponentToWidget = 3180 new HashMap<ComponentName, AppWidgetProviderInfo>(); 3181 for (AppWidgetProviderInfo info : widgets) { 3182 configurationComponentToWidget.put(info.configure, info); 3183 } 3184 3185 // Run through each of the intents that can handle this type of clip data, and cross 3186 // reference them with the components that are actual configuration components 3187 final List<ResolveInfo> activities = packageManager.queryIntentActivities(supportsIntent, 3188 PackageManager.MATCH_DEFAULT_ONLY); 3189 for (ResolveInfo info : activities) { 3190 final ActivityInfo activityInfo = info.activityInfo; 3191 final ComponentName infoComponent = new ComponentName(activityInfo.packageName, 3192 activityInfo.name); 3193 if (configurationComponentToWidget.containsKey(infoComponent)) { 3194 supportedConfigurationActivities.add( 3195 new InstallWidgetReceiver.WidgetMimeTypeHandlerData(info, 3196 configurationComponentToWidget.get(infoComponent))); 3197 } 3198 } 3199 return supportedConfigurationActivities; 3200 } 3201 3202 ShortcutInfo infoFromShortcutIntent(Context context, Intent data, Bitmap fallbackIcon) { 3203 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 3204 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 3205 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 3206 3207 if (intent == null) { 3208 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 3209 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 3210 return null; 3211 } 3212 3213 Bitmap icon = null; 3214 boolean customIcon = false; 3215 ShortcutIconResource iconResource = null; 3216 3217 if (bitmap != null && bitmap instanceof Bitmap) { 3218 icon = Utilities.createIconBitmap(new FastBitmapDrawable((Bitmap)bitmap), context); 3219 customIcon = true; 3220 } else { 3221 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 3222 if (extra != null && extra instanceof ShortcutIconResource) { 3223 try { 3224 iconResource = (ShortcutIconResource) extra; 3225 final PackageManager packageManager = context.getPackageManager(); 3226 Resources resources = packageManager.getResourcesForApplication( 3227 iconResource.packageName); 3228 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 3229 icon = Utilities.createIconBitmap( 3230 mIconCache.getFullResIcon(resources, id), context); 3231 } catch (Exception e) { 3232 Log.w(TAG, "Could not load shortcut icon: " + extra); 3233 } 3234 } 3235 } 3236 3237 final ShortcutInfo info = new ShortcutInfo(); 3238 3239 if (icon == null) { 3240 if (fallbackIcon != null) { 3241 icon = fallbackIcon; 3242 } else { 3243 icon = getFallbackIcon(); 3244 info.usingFallbackIcon = true; 3245 } 3246 } 3247 info.setIcon(icon); 3248 3249 info.title = name; 3250 info.intent = intent; 3251 info.customIcon = customIcon; 3252 info.iconResource = iconResource; 3253 3254 return info; 3255 } 3256 3257 boolean queueIconToBeChecked(HashMap<Object, byte[]> cache, ShortcutInfo info, Cursor c, 3258 int iconIndex) { 3259 // If apps can't be on SD, don't even bother. 3260 if (!mAppsCanBeOnRemoveableStorage) { 3261 return false; 3262 } 3263 // If this icon doesn't have a custom icon, check to see 3264 // what's stored in the DB, and if it doesn't match what 3265 // we're going to show, store what we are going to show back 3266 // into the DB. We do this so when we're loading, if the 3267 // package manager can't find an icon (for example because 3268 // the app is on SD) then we can use that instead. 3269 if (!info.customIcon && !info.usingFallbackIcon) { 3270 cache.put(info, c.getBlob(iconIndex)); 3271 return true; 3272 } 3273 return false; 3274 } 3275 void updateSavedIcon(Context context, ShortcutInfo info, byte[] data) { 3276 boolean needSave = false; 3277 try { 3278 if (data != null) { 3279 Bitmap saved = BitmapFactory.decodeByteArray(data, 0, data.length); 3280 Bitmap loaded = info.getIcon(mIconCache); 3281 needSave = !saved.sameAs(loaded); 3282 } else { 3283 needSave = true; 3284 } 3285 } catch (Exception e) { 3286 needSave = true; 3287 } 3288 if (needSave) { 3289 Log.d(TAG, "going to save icon bitmap for info=" + info); 3290 // This is slower than is ideal, but this only happens once 3291 // or when the app is updated with a new icon. 3292 updateItemInDatabase(context, info); 3293 } 3294 } 3295 3296 /** 3297 * Return an existing FolderInfo object if we have encountered this ID previously, 3298 * or make a new one. 3299 */ 3300 private static FolderInfo findOrMakeFolder(HashMap<Long, FolderInfo> folders, long id) { 3301 // See if a placeholder was created for us already 3302 FolderInfo folderInfo = folders.get(id); 3303 if (folderInfo == null) { 3304 // No placeholder -- create a new instance 3305 folderInfo = new FolderInfo(); 3306 folders.put(id, folderInfo); 3307 } 3308 return folderInfo; 3309 } 3310 3311 public static final Comparator<AppInfo> getAppNameComparator() { 3312 final Collator collator = Collator.getInstance(); 3313 return new Comparator<AppInfo>() { 3314 public final int compare(AppInfo a, AppInfo b) { 3315 int result = collator.compare(a.title.toString().trim(), 3316 b.title.toString().trim()); 3317 if (result == 0) { 3318 result = a.componentName.compareTo(b.componentName); 3319 } 3320 return result; 3321 } 3322 }; 3323 } 3324 public static final Comparator<AppInfo> APP_INSTALL_TIME_COMPARATOR 3325 = new Comparator<AppInfo>() { 3326 public final int compare(AppInfo a, AppInfo b) { 3327 if (a.firstInstallTime < b.firstInstallTime) return 1; 3328 if (a.firstInstallTime > b.firstInstallTime) return -1; 3329 return 0; 3330 } 3331 }; 3332 public static final Comparator<AppWidgetProviderInfo> getWidgetNameComparator() { 3333 final Collator collator = Collator.getInstance(); 3334 return new Comparator<AppWidgetProviderInfo>() { 3335 public final int compare(AppWidgetProviderInfo a, AppWidgetProviderInfo b) { 3336 return collator.compare(a.label.toString().trim(), b.label.toString().trim()); 3337 } 3338 }; 3339 } 3340 static ComponentName getComponentNameFromResolveInfo(ResolveInfo info) { 3341 if (info.activityInfo != null) { 3342 return new ComponentName(info.activityInfo.packageName, info.activityInfo.name); 3343 } else { 3344 return new ComponentName(info.serviceInfo.packageName, info.serviceInfo.name); 3345 } 3346 } 3347 public static class ShortcutNameComparator implements Comparator<ResolveInfo> { 3348 private Collator mCollator; 3349 private PackageManager mPackageManager; 3350 private HashMap<Object, CharSequence> mLabelCache; 3351 ShortcutNameComparator(PackageManager pm) { 3352 mPackageManager = pm; 3353 mLabelCache = new HashMap<Object, CharSequence>(); 3354 mCollator = Collator.getInstance(); 3355 } 3356 ShortcutNameComparator(PackageManager pm, HashMap<Object, CharSequence> labelCache) { 3357 mPackageManager = pm; 3358 mLabelCache = labelCache; 3359 mCollator = Collator.getInstance(); 3360 } 3361 public final int compare(ResolveInfo a, ResolveInfo b) { 3362 CharSequence labelA, labelB; 3363 ComponentName keyA = LauncherModel.getComponentNameFromResolveInfo(a); 3364 ComponentName keyB = LauncherModel.getComponentNameFromResolveInfo(b); 3365 if (mLabelCache.containsKey(keyA)) { 3366 labelA = mLabelCache.get(keyA); 3367 } else { 3368 labelA = a.loadLabel(mPackageManager).toString().trim(); 3369 3370 mLabelCache.put(keyA, labelA); 3371 } 3372 if (mLabelCache.containsKey(keyB)) { 3373 labelB = mLabelCache.get(keyB); 3374 } else { 3375 labelB = b.loadLabel(mPackageManager).toString().trim(); 3376 3377 mLabelCache.put(keyB, labelB); 3378 } 3379 return mCollator.compare(labelA, labelB); 3380 } 3381 }; 3382 public static class WidgetAndShortcutNameComparator implements Comparator<Object> { 3383 private Collator mCollator; 3384 private PackageManager mPackageManager; 3385 private HashMap<Object, String> mLabelCache; 3386 WidgetAndShortcutNameComparator(PackageManager pm) { 3387 mPackageManager = pm; 3388 mLabelCache = new HashMap<Object, String>(); 3389 mCollator = Collator.getInstance(); 3390 } 3391 public final int compare(Object a, Object b) { 3392 String labelA, labelB; 3393 if (mLabelCache.containsKey(a)) { 3394 labelA = mLabelCache.get(a); 3395 } else { 3396 labelA = (a instanceof AppWidgetProviderInfo) ? 3397 ((AppWidgetProviderInfo) a).label : 3398 ((ResolveInfo) a).loadLabel(mPackageManager).toString().trim(); 3399 mLabelCache.put(a, labelA); 3400 } 3401 if (mLabelCache.containsKey(b)) { 3402 labelB = mLabelCache.get(b); 3403 } else { 3404 labelB = (b instanceof AppWidgetProviderInfo) ? 3405 ((AppWidgetProviderInfo) b).label : 3406 ((ResolveInfo) b).loadLabel(mPackageManager).toString().trim(); 3407 mLabelCache.put(b, labelB); 3408 } 3409 return mCollator.compare(labelA, labelB); 3410 } 3411 }; 3412 3413 public void dumpState() { 3414 Log.d(TAG, "mCallbacks=" + mCallbacks); 3415 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 3416 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 3417 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 3418 AppInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 3419 if (mLoaderTask != null) { 3420 mLoaderTask.dumpState(); 3421 } else { 3422 Log.d(TAG, "mLoaderTask=null"); 3423 } 3424 } 3425} 3426