LauncherModel.java revision 68fd3c33daf7a6d4de287f8691306a55fa54706c
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.util.Log; 43import android.util.Pair; 44import com.android.launcher3.InstallWidgetReceiver.WidgetMimeTypeHandlerData; 45 46import java.lang.ref.WeakReference; 47import java.net.URISyntaxException; 48import java.text.Collator; 49import java.util.ArrayList; 50import java.util.Arrays; 51import java.util.Collection; 52import java.util.Collections; 53import java.util.Comparator; 54import java.util.HashMap; 55import java.util.HashSet; 56import java.util.Iterator; 57import java.util.List; 58import java.util.Set; 59import java.util.TreeMap; 60 61/** 62 * Maintains in-memory state of the Launcher. It is expected that there should be only one 63 * LauncherModel object held in a static. Also provide APIs for updating the database state 64 * for the Launcher. 65 */ 66public class LauncherModel extends BroadcastReceiver { 67 static final boolean DEBUG_LOADERS = false; 68 static final String TAG = "Launcher.Model"; 69 70 // true = use a "More Apps" folder for non-workspace apps on upgrade 71 // false = strew non-workspace apps across the workspace on upgrade 72 public static final boolean UPGRADE_USE_MORE_APPS_FOLDER = false; 73 74 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 75 private final boolean mAppsCanBeOnRemoveableStorage; 76 77 private final LauncherAppState mApp; 78 private final Object mLock = new Object(); 79 private DeferredHandler mHandler = new DeferredHandler(); 80 private LoaderTask mLoaderTask; 81 private boolean mIsLoaderTaskRunning; 82 private volatile boolean mFlushingWorkerThread; 83 84 // Specific runnable types that are run on the main thread deferred handler, this allows us to 85 // clear all queued binding runnables when the Launcher activity is destroyed. 86 private static final int MAIN_THREAD_NORMAL_RUNNABLE = 0; 87 private static final int MAIN_THREAD_BINDING_RUNNABLE = 1; 88 89 90 private static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 91 static { 92 sWorkerThread.start(); 93 } 94 private static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 95 96 // We start off with everything not loaded. After that, we assume that 97 // our monitoring of the package manager provides all updates and we never 98 // need to do a requery. These are only ever touched from the loader thread. 99 private boolean mWorkspaceLoaded; 100 private boolean mAllAppsLoaded; 101 102 // When we are loading pages synchronously, we can't just post the binding of items on the side 103 // pages as this delays the rotation process. Instead, we wait for a callback from the first 104 // draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start 105 // a normal load, we also clear this set of Runnables. 106 static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>(); 107 108 private WeakReference<Callbacks> mCallbacks; 109 110 // < only access in worker thread > 111 AllAppsList mBgAllAppsList; 112 113 // The lock that must be acquired before referencing any static bg data structures. Unlike 114 // other locks, this one can generally be held long-term because we never expect any of these 115 // static data structures to be referenced outside of the worker thread except on the first 116 // load after configuration change. 117 static final Object sBgLock = new Object(); 118 119 // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 120 // LauncherModel to their ids 121 static final HashMap<Long, ItemInfo> sBgItemsIdMap = new HashMap<Long, ItemInfo>(); 122 123 // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts 124 // created by LauncherModel that are directly on the home screen (however, no widgets or 125 // shortcuts within folders). 126 static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>(); 127 128 // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 129 static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets = 130 new ArrayList<LauncherAppWidgetInfo>(); 131 132 // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 133 static final HashMap<Long, FolderInfo> sBgFolders = new HashMap<Long, FolderInfo>(); 134 135 // sBgDbIconCache is the set of ItemInfos that need to have their icons updated in the database 136 static final HashMap<Object, byte[]> sBgDbIconCache = new HashMap<Object, byte[]>(); 137 138 // sBgWorkspaceScreens is the ordered set of workspace screens. 139 static final ArrayList<Long> sBgWorkspaceScreens = new ArrayList<Long>(); 140 141 // </ only access in worker thread > 142 143 private IconCache mIconCache; 144 private Bitmap mDefaultIcon; 145 146 protected int mPreviousConfigMcc; 147 148 public interface Callbacks { 149 public boolean setLoadOnResume(); 150 public int getCurrentWorkspaceScreen(); 151 public void startBinding(); 152 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end, 153 boolean forceAnimateIcons); 154 public void bindScreens(ArrayList<Long> orderedScreenIds); 155 public void bindAddScreens(ArrayList<Long> orderedScreenIds); 156 public void bindFolders(HashMap<Long,FolderInfo> folders); 157 public void finishBindingItems(boolean upgradePath); 158 public void bindAppWidget(LauncherAppWidgetInfo info); 159 public void bindAllApplications(ArrayList<ApplicationInfo> apps); 160 public void bindAppsAdded(ArrayList<Long> newScreens, 161 ArrayList<ItemInfo> addNotAnimated, 162 ArrayList<ItemInfo> addAnimated); 163 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps); 164 public void bindComponentsRemoved(ArrayList<String> packageNames, 165 ArrayList<ApplicationInfo> appInfos, 166 boolean matchPackageNamesOnly); 167 public void bindPackagesUpdated(ArrayList<Object> widgetsAndShortcuts); 168 public void bindSearchablesChanged(); 169 public void onPageBoundSynchronously(int page); 170 public void dumpLogsToLocalData(boolean email); 171 } 172 173 public interface ItemInfoFilter { 174 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn); 175 } 176 177 LauncherModel(LauncherAppState app, IconCache iconCache) { 178 final Context context = app.getContext(); 179 180 mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable(); 181 mApp = app; 182 mBgAllAppsList = new AllAppsList(iconCache); 183 mIconCache = iconCache; 184 185 mDefaultIcon = Utilities.createIconBitmap( 186 mIconCache.getFullResDefaultActivityIcon(), context); 187 188 final Resources res = context.getResources(); 189 Configuration config = res.getConfiguration(); 190 mPreviousConfigMcc = config.mcc; 191 } 192 193 /** Runs the specified runnable immediately if called from the main thread, otherwise it is 194 * posted on the main thread handler. */ 195 private void runOnMainThread(Runnable r) { 196 runOnMainThread(r, 0); 197 } 198 private void runOnMainThread(Runnable r, int type) { 199 if (sWorkerThread.getThreadId() == Process.myTid()) { 200 // If we are on the worker thread, post onto the main handler 201 mHandler.post(r); 202 } else { 203 r.run(); 204 } 205 } 206 207 /** Runs the specified runnable immediately if called from the worker thread, otherwise it is 208 * posted on the worker thread handler. */ 209 private static void runOnWorkerThread(Runnable r) { 210 if (sWorkerThread.getThreadId() == Process.myTid()) { 211 r.run(); 212 } else { 213 // If we are not on the worker thread, then post to the worker handler 214 sWorker.post(r); 215 } 216 } 217 218 static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> items, int[] xy, 219 long screen) { 220 LauncherAppState app = LauncherAppState.getInstance(); 221 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 222 final int xCount = (int) grid.numColumns; 223 final int yCount = (int) grid.numRows; 224 boolean[][] occupied = new boolean[xCount][yCount]; 225 226 int cellX, cellY, spanX, spanY; 227 for (int i = 0; i < items.size(); ++i) { 228 final ItemInfo item = items.get(i); 229 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 230 if (item.screenId == screen) { 231 cellX = item.cellX; 232 cellY = item.cellY; 233 spanX = item.spanX; 234 spanY = item.spanY; 235 for (int x = cellX; 0 <= x && x < cellX + spanX && x < xCount; x++) { 236 for (int y = cellY; 0 <= y && y < cellY + spanY && y < yCount; y++) { 237 occupied[x][y] = true; 238 } 239 } 240 } 241 } 242 } 243 244 return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied); 245 } 246 static Pair<Long, int[]> findNextAvailableIconSpace(Context context, String name, 247 Intent launchIntent, 248 int firstScreenIndex, 249 ArrayList<Long> workspaceScreens) { 250 // Lock on the app so that we don't try and get the items while apps are being added 251 LauncherAppState app = LauncherAppState.getInstance(); 252 LauncherModel model = app.getModel(); 253 boolean found = false; 254 synchronized (app) { 255 if (sWorkerThread.getThreadId() != Process.myTid()) { 256 // Flush the LauncherModel worker thread, so that if we just did another 257 // processInstallShortcut, we give it time for its shortcut to get added to the 258 // database (getItemsInLocalCoordinates reads the database) 259 model.flushWorkerThread(); 260 } 261 final ArrayList<ItemInfo> items = LauncherModel.getItemsInLocalCoordinates(context); 262 263 // Try adding to the workspace screens incrementally, starting at the default or center 264 // screen and alternating between +1, -1, +2, -2, etc. (using ~ ceil(i/2f)*(-1)^(i-1)) 265 firstScreenIndex = Math.min(firstScreenIndex, workspaceScreens.size()); 266 int count = workspaceScreens.size(); 267 for (int screen = firstScreenIndex; screen < count && !found; screen++) { 268 int[] tmpCoordinates = new int[2]; 269 if (findNextAvailableIconSpaceInScreen(items, tmpCoordinates, 270 workspaceScreens.get(screen))) { 271 // Update the Launcher db 272 return new Pair<Long, int[]>(workspaceScreens.get(screen), tmpCoordinates); 273 } 274 } 275 } 276 return null; 277 } 278 279 public void addAndBindAddedApps(final Context context, final ArrayList<ItemInfo> added) { 280 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 281 addAndBindAddedApps(context, added, cb); 282 } 283 public void addAndBindAddedApps(final Context context, final ArrayList<ItemInfo> added, 284 final Callbacks callbacks) { 285 Launcher.addDumpLog(TAG, "10249126 - addAndBindAddedApps()", true); 286 if (added.isEmpty()) { 287 return; 288 } 289 // Process the newly added applications and add them to the database first 290 Runnable r = new Runnable() { 291 public void run() { 292 final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>(); 293 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>(); 294 295 // Get the list of workspace screens. We need to append to this list and 296 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been 297 // called. 298 ArrayList<Long> workspaceScreens = new ArrayList<Long>(); 299 TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(context); 300 for (Integer i : orderedScreens.keySet()) { 301 long screenId = orderedScreens.get(i); 302 workspaceScreens.add(screenId); 303 } 304 305 synchronized(sBgLock) { 306 Iterator<ItemInfo> iter = added.iterator(); 307 while (iter.hasNext()) { 308 ItemInfo a = iter.next(); 309 final String name = a.title.toString(); 310 final Intent launchIntent = a.getIntent(); 311 312 // Short-circuit this logic if the icon exists somewhere on the workspace 313 if (LauncherModel.shortcutExists(context, name, launchIntent)) { 314 continue; 315 } 316 317 // Add this icon to the db, creating a new page if necessary 318 int startSearchPageIndex = 1; 319 Pair<Long, int[]> coords = LauncherModel.findNextAvailableIconSpace(context, 320 name, launchIntent, startSearchPageIndex, workspaceScreens); 321 if (coords == null) { 322 LauncherProvider lp = LauncherAppState.getLauncherProvider(); 323 324 // If we can't find a valid position, then just add a new screen. 325 // This takes time so we need to re-queue the add until the new 326 // page is added. Create as many screens as necessary to satisfy 327 // the startSearchPageIndex. 328 int numPagesToAdd = Math.max(1, startSearchPageIndex + 1 - 329 workspaceScreens.size()); 330 while (numPagesToAdd > 0) { 331 long screenId = lp.generateNewScreenId(); 332 Launcher.addDumpLog(TAG, "10249126 - addAndBindAddedApps(" + screenId + ")", true); 333 // Save the screen id for binding in the workspace 334 workspaceScreens.add(screenId); 335 addedWorkspaceScreensFinal.add(screenId); 336 numPagesToAdd--; 337 } 338 339 // Find the coordinate again 340 coords = LauncherModel.findNextAvailableIconSpace(context, 341 name, launchIntent, startSearchPageIndex, workspaceScreens); 342 } 343 if (coords == null) { 344 throw new RuntimeException("Coordinates should not be null"); 345 } 346 347 ShortcutInfo shortcutInfo; 348 if (a instanceof ShortcutInfo) { 349 shortcutInfo = (ShortcutInfo) a; 350 } else if (a instanceof ApplicationInfo) { 351 shortcutInfo = ((ApplicationInfo) a).makeShortcut(); 352 } else { 353 throw new RuntimeException("Unexpected info type"); 354 } 355 // Add the shortcut to the db 356 addItemToDatabase(context, shortcutInfo, 357 LauncherSettings.Favorites.CONTAINER_DESKTOP, 358 coords.first, coords.second[0], coords.second[1], false); 359 // Save the ShortcutInfo for binding in the workspace 360 addedShortcutsFinal.add(shortcutInfo); 361 } 362 } 363 364 Launcher.addDumpLog(TAG, "10249126 - addAndBindAddedApps - updateWorkspaceScreenOrder(" + workspaceScreens.size() + ")", true); 365 366 // Update the workspace screens 367 updateWorkspaceScreenOrder(context, workspaceScreens); 368 369 if (!addedShortcutsFinal.isEmpty()) { 370 runOnMainThread(new Runnable() { 371 public void run() { 372 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 373 if (callbacks == cb && cb != null) { 374 ItemInfo info = addedShortcutsFinal.get(addedShortcutsFinal.size() - 1); 375 long lastScreenId = info.screenId; 376 final ArrayList<ItemInfo> addAnimated = new ArrayList<ItemInfo>(); 377 final ArrayList<ItemInfo> addNotAnimated = new ArrayList<ItemInfo>(); 378 for (ItemInfo i : addedShortcutsFinal) { 379 if (i.screenId == lastScreenId) { 380 addAnimated.add(i); 381 } else { 382 addNotAnimated.add(i); 383 } 384 } 385 callbacks.bindAppsAdded(addedWorkspaceScreensFinal, 386 addNotAnimated, addAnimated); 387 } 388 } 389 }); 390 } 391 } 392 }; 393 runOnWorkerThread(r); 394 } 395 396 public Bitmap getFallbackIcon() { 397 return Bitmap.createBitmap(mDefaultIcon); 398 } 399 400 public void unbindItemInfosAndClearQueuedBindRunnables() { 401 if (sWorkerThread.getThreadId() == Process.myTid()) { 402 throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + 403 "main thread"); 404 } 405 406 // Clear any deferred bind runnables 407 mDeferredBindRunnables.clear(); 408 // Remove any queued bind runnables 409 mHandler.cancelAllRunnablesOfType(MAIN_THREAD_BINDING_RUNNABLE); 410 // Unbind all the workspace items 411 unbindWorkspaceItemsOnMainThread(); 412 } 413 414 /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ 415 void unbindWorkspaceItemsOnMainThread() { 416 // Ensure that we don't use the same workspace items data structure on the main thread 417 // by making a copy of workspace items first. 418 final ArrayList<ItemInfo> tmpWorkspaceItems = new ArrayList<ItemInfo>(); 419 final ArrayList<ItemInfo> tmpAppWidgets = new ArrayList<ItemInfo>(); 420 synchronized (sBgLock) { 421 tmpWorkspaceItems.addAll(sBgWorkspaceItems); 422 tmpAppWidgets.addAll(sBgAppWidgets); 423 } 424 Runnable r = new Runnable() { 425 @Override 426 public void run() { 427 for (ItemInfo item : tmpWorkspaceItems) { 428 item.unbind(); 429 } 430 for (ItemInfo item : tmpAppWidgets) { 431 item.unbind(); 432 } 433 } 434 }; 435 runOnMainThread(r); 436 } 437 438 /** 439 * Adds an item to the DB if it was not created previously, or move it to a new 440 * <container, screen, cellX, cellY> 441 */ 442 static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 443 long screenId, int cellX, int cellY) { 444 if (item.container == ItemInfo.NO_ID) { 445 // From all apps 446 addItemToDatabase(context, item, container, screenId, cellX, cellY, false); 447 } else { 448 // From somewhere else 449 moveItemInDatabase(context, item, container, screenId, cellX, cellY); 450 } 451 } 452 453 static void checkItemInfoLocked( 454 final long itemId, final ItemInfo item, StackTraceElement[] stackTrace) { 455 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 456 if (modelItem != null && item != modelItem) { 457 // check all the data is consistent 458 if (modelItem instanceof ShortcutInfo && item instanceof ShortcutInfo) { 459 ShortcutInfo modelShortcut = (ShortcutInfo) modelItem; 460 ShortcutInfo shortcut = (ShortcutInfo) item; 461 if (modelShortcut.title.toString().equals(shortcut.title.toString()) && 462 modelShortcut.intent.filterEquals(shortcut.intent) && 463 modelShortcut.id == shortcut.id && 464 modelShortcut.itemType == shortcut.itemType && 465 modelShortcut.container == shortcut.container && 466 modelShortcut.screenId == shortcut.screenId && 467 modelShortcut.cellX == shortcut.cellX && 468 modelShortcut.cellY == shortcut.cellY && 469 modelShortcut.spanX == shortcut.spanX && 470 modelShortcut.spanY == shortcut.spanY && 471 ((modelShortcut.dropPos == null && shortcut.dropPos == null) || 472 (modelShortcut.dropPos != null && 473 shortcut.dropPos != null && 474 modelShortcut.dropPos[0] == shortcut.dropPos[0] && 475 modelShortcut.dropPos[1] == shortcut.dropPos[1]))) { 476 // For all intents and purposes, this is the same object 477 return; 478 } 479 } 480 481 // the modelItem needs to match up perfectly with item if our model is 482 // to be consistent with the database-- for now, just require 483 // modelItem == item or the equality check above 484 String msg = "item: " + ((item != null) ? item.toString() : "null") + 485 "modelItem: " + 486 ((modelItem != null) ? modelItem.toString() : "null") + 487 "Error: ItemInfo passed to checkItemInfo doesn't match original"; 488 RuntimeException e = new RuntimeException(msg); 489 if (stackTrace != null) { 490 e.setStackTrace(stackTrace); 491 } 492 // TODO: something breaks this in the upgrade path 493 //throw e; 494 } 495 } 496 497 static void checkItemInfo(final ItemInfo item) { 498 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 499 final long itemId = item.id; 500 Runnable r = new Runnable() { 501 public void run() { 502 synchronized (sBgLock) { 503 checkItemInfoLocked(itemId, item, stackTrace); 504 } 505 } 506 }; 507 runOnWorkerThread(r); 508 } 509 510 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 511 final ItemInfo item, final String callingFunction) { 512 final long itemId = item.id; 513 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId, false); 514 final ContentResolver cr = context.getContentResolver(); 515 516 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 517 Runnable r = new Runnable() { 518 public void run() { 519 cr.update(uri, values, null, null); 520 updateItemArrays(item, itemId, stackTrace); 521 } 522 }; 523 runOnWorkerThread(r); 524 } 525 526 static void updateItemsInDatabaseHelper(Context context, final ArrayList<ContentValues> valuesList, 527 final ArrayList<ItemInfo> items, final String callingFunction) { 528 final ContentResolver cr = context.getContentResolver(); 529 530 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 531 Runnable r = new Runnable() { 532 public void run() { 533 ArrayList<ContentProviderOperation> ops = 534 new ArrayList<ContentProviderOperation>(); 535 int count = items.size(); 536 for (int i = 0; i < count; i++) { 537 ItemInfo item = items.get(i); 538 final long itemId = item.id; 539 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId, false); 540 ContentValues values = valuesList.get(i); 541 542 ops.add(ContentProviderOperation.newUpdate(uri).withValues(values).build()); 543 updateItemArrays(item, itemId, stackTrace); 544 545 } 546 try { 547 cr.applyBatch(LauncherProvider.AUTHORITY, ops); 548 } catch (Exception e) { 549 e.printStackTrace(); 550 } 551 } 552 }; 553 runOnWorkerThread(r); 554 } 555 556 static void updateItemArrays(ItemInfo item, long itemId, StackTraceElement[] stackTrace) { 557 // Lock on mBgLock *after* the db operation 558 synchronized (sBgLock) { 559 checkItemInfoLocked(itemId, item, stackTrace); 560 561 if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 562 item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 563 // Item is in a folder, make sure this folder exists 564 if (!sBgFolders.containsKey(item.container)) { 565 // An items container is being set to a that of an item which is not in 566 // the list of Folders. 567 String msg = "item: " + item + " container being set to: " + 568 item.container + ", not in the list of folders"; 569 Log.e(TAG, msg); 570 Launcher.dumpDebugLogsToConsole(); 571 } 572 } 573 574 // Items are added/removed from the corresponding FolderInfo elsewhere, such 575 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 576 // that are on the desktop, as appropriate 577 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 578 if (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 579 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 580 switch (modelItem.itemType) { 581 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 582 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 583 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 584 if (!sBgWorkspaceItems.contains(modelItem)) { 585 sBgWorkspaceItems.add(modelItem); 586 } 587 break; 588 default: 589 break; 590 } 591 } else { 592 sBgWorkspaceItems.remove(modelItem); 593 } 594 } 595 } 596 597 public void flushWorkerThread() { 598 mFlushingWorkerThread = true; 599 Runnable waiter = new Runnable() { 600 public void run() { 601 synchronized (this) { 602 notifyAll(); 603 mFlushingWorkerThread = false; 604 } 605 } 606 }; 607 608 synchronized(waiter) { 609 runOnWorkerThread(waiter); 610 if (mLoaderTask != null) { 611 synchronized(mLoaderTask) { 612 mLoaderTask.notify(); 613 } 614 } 615 boolean success = false; 616 while (!success) { 617 try { 618 waiter.wait(); 619 success = true; 620 } catch (InterruptedException e) { 621 } 622 } 623 } 624 } 625 626 /** 627 * Move an item in the DB to a new <container, screen, cellX, cellY> 628 */ 629 static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 630 final long screenId, final int cellX, final int cellY) { 631 String transaction = "DbDebug Modify item (" + item.title + ") in db, id: " + item.id + 632 " (" + item.container + ", " + item.screenId + ", " + item.cellX + ", " + item.cellY + 633 ") --> " + "(" + container + ", " + screenId + ", " + cellX + ", " + cellY + ")"; 634 Launcher.addDumpLog(TAG, transaction, true); 635 636 item.container = container; 637 item.cellX = cellX; 638 item.cellY = cellY; 639 640 // We store hotseat items in canonical form which is this orientation invariant position 641 // in the hotseat 642 if (context instanceof Launcher && screenId < 0 && 643 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 644 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 645 } else { 646 item.screenId = screenId; 647 } 648 649 final ContentValues values = new ContentValues(); 650 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 651 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 652 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 653 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 654 655 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 656 } 657 658 /** 659 * Move items in the DB to a new <container, screen, cellX, cellY>. We assume that the 660 * cellX, cellY have already been updated on the ItemInfos. 661 */ 662 static void moveItemsInDatabase(Context context, final ArrayList<ItemInfo> items, 663 final long container, final int screen) { 664 665 ArrayList<ContentValues> contentValues = new ArrayList<ContentValues>(); 666 int count = items.size(); 667 668 for (int i = 0; i < count; i++) { 669 ItemInfo item = items.get(i); 670 String transaction = "DbDebug Modify item (" + item.title + ") in db, id: " 671 + item.id + " (" + item.container + ", " + item.screenId + ", " + item.cellX 672 + ", " + item.cellY + ") --> " + "(" + container + ", " + screen + ", " 673 + item.cellX + ", " + item.cellY + ")"; 674 Launcher.addDumpLog(TAG, transaction, true); 675 item.container = container; 676 677 // We store hotseat items in canonical form which is this orientation invariant position 678 // in the hotseat 679 if (context instanceof Launcher && screen < 0 && 680 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 681 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(item.cellX, 682 item.cellY); 683 } else { 684 item.screenId = screen; 685 } 686 687 final ContentValues values = new ContentValues(); 688 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 689 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 690 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 691 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 692 693 contentValues.add(values); 694 } 695 updateItemsInDatabaseHelper(context, contentValues, items, "moveItemInDatabase"); 696 } 697 698 /** 699 * Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY> 700 */ 701 static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, 702 final long screenId, final int cellX, final int cellY, final int spanX, final int spanY) { 703 String transaction = "DbDebug Modify item (" + item.title + ") in db, id: " + item.id + 704 " (" + item.container + ", " + item.screenId + ", " + item.cellX + ", " + item.cellY + 705 ") --> " + "(" + container + ", " + screenId + ", " + cellX + ", " + cellY + ")"; 706 Launcher.addDumpLog(TAG, transaction, true); 707 708 item.cellX = cellX; 709 item.cellY = cellY; 710 item.spanX = spanX; 711 item.spanY = spanY; 712 713 // We store hotseat items in canonical form which is this orientation invariant position 714 // in the hotseat 715 if (context instanceof Launcher && screenId < 0 && 716 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 717 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 718 } else { 719 item.screenId = screenId; 720 } 721 722 final ContentValues values = new ContentValues(); 723 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 724 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 725 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 726 values.put(LauncherSettings.Favorites.SPANX, item.spanX); 727 values.put(LauncherSettings.Favorites.SPANY, item.spanY); 728 values.put(LauncherSettings.Favorites.SCREEN, item.screenId); 729 730 updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); 731 } 732 733 /** 734 * Update an item to the database in a specified container. 735 */ 736 static void updateItemInDatabase(Context context, final ItemInfo item) { 737 final ContentValues values = new ContentValues(); 738 item.onAddToDatabase(values); 739 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 740 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 741 } 742 743 /** 744 * Returns true if the shortcuts already exists in the database. 745 * we identify a shortcut by its title and intent. 746 */ 747 static boolean shortcutExists(Context context, String title, Intent intent) { 748 final ContentResolver cr = context.getContentResolver(); 749 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, 750 new String[] { "title", "intent" }, "title=? and intent=?", 751 new String[] { title, intent.toUri(0) }, null); 752 boolean result = false; 753 try { 754 result = c.moveToFirst(); 755 } finally { 756 c.close(); 757 } 758 return result; 759 } 760 761 /** 762 * Returns an ItemInfo array containing all the items in the LauncherModel. 763 * The ItemInfo.id is not set through this function. 764 */ 765 static ArrayList<ItemInfo> getItemsInLocalCoordinates(Context context) { 766 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 767 final ContentResolver cr = context.getContentResolver(); 768 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, new String[] { 769 LauncherSettings.Favorites.ITEM_TYPE, LauncherSettings.Favorites.CONTAINER, 770 LauncherSettings.Favorites.SCREEN, LauncherSettings.Favorites.CELLX, LauncherSettings.Favorites.CELLY, 771 LauncherSettings.Favorites.SPANX, LauncherSettings.Favorites.SPANY }, null, null, null); 772 773 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 774 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 775 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 776 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 777 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 778 final int spanXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANX); 779 final int spanYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANY); 780 781 try { 782 while (c.moveToNext()) { 783 ItemInfo item = new ItemInfo(); 784 item.cellX = c.getInt(cellXIndex); 785 item.cellY = c.getInt(cellYIndex); 786 item.spanX = Math.max(1, c.getInt(spanXIndex)); 787 item.spanY = Math.max(1, c.getInt(spanYIndex)); 788 item.container = c.getInt(containerIndex); 789 item.itemType = c.getInt(itemTypeIndex); 790 item.screenId = c.getInt(screenIndex); 791 792 items.add(item); 793 } 794 } catch (Exception e) { 795 items.clear(); 796 } finally { 797 c.close(); 798 } 799 800 return items; 801 } 802 803 /** 804 * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. 805 */ 806 FolderInfo getFolderById(Context context, HashMap<Long,FolderInfo> folderList, long id) { 807 final ContentResolver cr = context.getContentResolver(); 808 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, 809 "_id=? and (itemType=? or itemType=?)", 810 new String[] { String.valueOf(id), 811 String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); 812 813 try { 814 if (c.moveToFirst()) { 815 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 816 final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); 817 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 818 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 819 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 820 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 821 822 FolderInfo folderInfo = null; 823 switch (c.getInt(itemTypeIndex)) { 824 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 825 folderInfo = findOrMakeFolder(folderList, id); 826 break; 827 } 828 829 folderInfo.title = c.getString(titleIndex); 830 folderInfo.id = id; 831 folderInfo.container = c.getInt(containerIndex); 832 folderInfo.screenId = c.getInt(screenIndex); 833 folderInfo.cellX = c.getInt(cellXIndex); 834 folderInfo.cellY = c.getInt(cellYIndex); 835 836 return folderInfo; 837 } 838 } finally { 839 c.close(); 840 } 841 842 return null; 843 } 844 845 /** 846 * Add an item to the database in a specified container. Sets the container, screen, cellX and 847 * cellY fields of the item. Also assigns an ID to the item. 848 */ 849 static void addItemToDatabase(Context context, final ItemInfo item, final long container, 850 final long screenId, final int cellX, final int cellY, final boolean notify) { 851 item.container = container; 852 item.cellX = cellX; 853 item.cellY = cellY; 854 // We store hotseat items in canonical form which is this orientation invariant position 855 // in the hotseat 856 if (context instanceof Launcher && screenId < 0 && 857 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 858 item.screenId = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 859 } else { 860 item.screenId = screenId; 861 } 862 863 final ContentValues values = new ContentValues(); 864 final ContentResolver cr = context.getContentResolver(); 865 item.onAddToDatabase(values); 866 867 item.id = LauncherAppState.getLauncherProvider().generateNewItemId(); 868 values.put(LauncherSettings.Favorites._ID, item.id); 869 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 870 871 Runnable r = new Runnable() { 872 public void run() { 873 String transaction = "DbDebug Add item (" + item.title + ") to db, id: " 874 + item.id + " (" + container + ", " + screenId + ", " + cellX + ", " 875 + cellY + ")"; 876 Launcher.addDumpLog(TAG, transaction, true); 877 878 cr.insert(notify ? LauncherSettings.Favorites.CONTENT_URI : 879 LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, values); 880 881 // Lock on mBgLock *after* the db operation 882 synchronized (sBgLock) { 883 checkItemInfoLocked(item.id, item, null); 884 sBgItemsIdMap.put(item.id, item); 885 switch (item.itemType) { 886 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 887 sBgFolders.put(item.id, (FolderInfo) item); 888 // Fall through 889 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 890 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 891 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 892 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 893 sBgWorkspaceItems.add(item); 894 } else { 895 if (!sBgFolders.containsKey(item.container)) { 896 // Adding an item to a folder that doesn't exist. 897 String msg = "adding item: " + item + " to a folder that " + 898 " doesn't exist"; 899 Log.e(TAG, msg); 900 Launcher.dumpDebugLogsToConsole(); 901 } 902 } 903 break; 904 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 905 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 906 break; 907 } 908 } 909 } 910 }; 911 runOnWorkerThread(r); 912 } 913 914 /** 915 * Creates a new unique child id, for a given cell span across all layouts. 916 */ 917 static int getCellLayoutChildId( 918 long container, long screen, int localCellX, int localCellY, int spanX, int spanY) { 919 return (((int) container & 0xFF) << 24) 920 | ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 921 } 922 923 /** 924 * Removes the specified item from the database 925 * @param context 926 * @param item 927 */ 928 static void deleteItemFromDatabase(Context context, final ItemInfo item) { 929 final ContentResolver cr = context.getContentResolver(); 930 final Uri uriToDelete = LauncherSettings.Favorites.getContentUri(item.id, false); 931 932 Runnable r = new Runnable() { 933 public void run() { 934 String transaction = "DbDebug Delete item (" + item.title + ") from db, id: " 935 + item.id + " (" + item.container + ", " + item.screenId + ", " + item.cellX + 936 ", " + item.cellY + ")"; 937 Launcher.addDumpLog(TAG, transaction, true); 938 939 cr.delete(uriToDelete, null, null); 940 941 // Lock on mBgLock *after* the db operation 942 synchronized (sBgLock) { 943 switch (item.itemType) { 944 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 945 sBgFolders.remove(item.id); 946 for (ItemInfo info: sBgItemsIdMap.values()) { 947 if (info.container == item.id) { 948 // We are deleting a folder which still contains items that 949 // think they are contained by that folder. 950 String msg = "deleting a folder (" + item + ") which still " + 951 "contains items (" + info + ")"; 952 Log.e(TAG, msg); 953 Launcher.dumpDebugLogsToConsole(); 954 } 955 } 956 sBgWorkspaceItems.remove(item); 957 break; 958 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 959 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 960 sBgWorkspaceItems.remove(item); 961 break; 962 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 963 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 964 break; 965 } 966 sBgItemsIdMap.remove(item.id); 967 sBgDbIconCache.remove(item); 968 } 969 } 970 }; 971 runOnWorkerThread(r); 972 } 973 974 /** 975 * Update the order of the workspace screens in the database. The array list contains 976 * a list of screen ids in the order that they should appear. 977 */ 978 void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) { 979 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder()", true); 980 final ArrayList<Long> screensCopy = new ArrayList<Long>(screens); 981 final ContentResolver cr = context.getContentResolver(); 982 final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 983 984 // Remove any negative screen ids -- these aren't persisted 985 Iterator<Long> iter = screensCopy.iterator(); 986 while (iter.hasNext()) { 987 long id = iter.next(); 988 if (id < 0) { 989 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder - remove: " + id + ")", true); 990 iter.remove(); 991 } 992 } 993 994 // Dump the screens copy 995 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder - screensCopy", true); 996 for (Long l : screensCopy) { 997 Launcher.addDumpLog(TAG, "10249126\t- " + l, true); 998 } 999 1000 Runnable r = new Runnable() { 1001 @Override 1002 public void run() { 1003 // Clear the table 1004 cr.delete(uri, null, null); 1005 int count = screensCopy.size(); 1006 ContentValues[] values = new ContentValues[count]; 1007 for (int i = 0; i < count; i++) { 1008 ContentValues v = new ContentValues(); 1009 long screenId = screensCopy.get(i); 1010 v.put(LauncherSettings.WorkspaceScreens._ID, screenId); 1011 v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); 1012 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder(" + screenId + ", " + i + ")", true); 1013 values[i] = v; 1014 } 1015 cr.bulkInsert(uri, values); 1016 1017 synchronized (sBgLock) { 1018 // Dump the sBgWorkspaceScreens 1019 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder - sBgWorkspaceScreens - pre clear", true); 1020 for (Long l : sBgWorkspaceScreens) { 1021 Launcher.addDumpLog(TAG, "10249126\t- " + l, true); 1022 } 1023 1024 sBgWorkspaceScreens.clear(); 1025 sBgWorkspaceScreens.addAll(screensCopy); 1026 1027 // Dump the sBgWorkspaceScreens 1028 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder - sBgWorkspaceScreens - post clear", true); 1029 for (Long l : sBgWorkspaceScreens) { 1030 Launcher.addDumpLog(TAG, "10249126\t- " + l, true); 1031 } 1032 } 1033 } 1034 }; 1035 runOnWorkerThread(r); 1036 } 1037 1038 /** 1039 * Remove the contents of the specified folder from the database 1040 */ 1041 static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { 1042 final ContentResolver cr = context.getContentResolver(); 1043 1044 Runnable r = new Runnable() { 1045 public void run() { 1046 cr.delete(LauncherSettings.Favorites.getContentUri(info.id, false), null, null); 1047 // Lock on mBgLock *after* the db operation 1048 synchronized (sBgLock) { 1049 sBgItemsIdMap.remove(info.id); 1050 sBgFolders.remove(info.id); 1051 sBgDbIconCache.remove(info); 1052 sBgWorkspaceItems.remove(info); 1053 } 1054 1055 cr.delete(LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, 1056 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 1057 // Lock on mBgLock *after* the db operation 1058 synchronized (sBgLock) { 1059 for (ItemInfo childInfo : info.contents) { 1060 sBgItemsIdMap.remove(childInfo.id); 1061 sBgDbIconCache.remove(childInfo); 1062 } 1063 } 1064 } 1065 }; 1066 runOnWorkerThread(r); 1067 } 1068 1069 /** 1070 * Set this as the current Launcher activity object for the loader. 1071 */ 1072 public void initialize(Callbacks callbacks) { 1073 synchronized (mLock) { 1074 mCallbacks = new WeakReference<Callbacks>(callbacks); 1075 } 1076 } 1077 1078 /** 1079 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 1080 * ACTION_PACKAGE_CHANGED. 1081 */ 1082 @Override 1083 public void onReceive(Context context, Intent intent) { 1084 if (DEBUG_LOADERS) Log.d(TAG, "onReceive intent=" + intent); 1085 1086 final String action = intent.getAction(); 1087 1088 if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 1089 || Intent.ACTION_PACKAGE_REMOVED.equals(action) 1090 || Intent.ACTION_PACKAGE_ADDED.equals(action)) { 1091 final String packageName = intent.getData().getSchemeSpecificPart(); 1092 final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 1093 1094 int op = PackageUpdatedTask.OP_NONE; 1095 1096 if (packageName == null || packageName.length() == 0) { 1097 // they sent us a bad intent 1098 return; 1099 } 1100 1101 if (Intent.ACTION_PACKAGE_CHANGED.equals(action)) { 1102 op = PackageUpdatedTask.OP_UPDATE; 1103 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { 1104 if (!replacing) { 1105 op = PackageUpdatedTask.OP_REMOVE; 1106 } 1107 // else, we are replacing the package, so a PACKAGE_ADDED will be sent 1108 // later, we will update the package at this time 1109 } else if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { 1110 if (!replacing) { 1111 op = PackageUpdatedTask.OP_ADD; 1112 } else { 1113 op = PackageUpdatedTask.OP_UPDATE; 1114 } 1115 } 1116 1117 if (op != PackageUpdatedTask.OP_NONE) { 1118 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName })); 1119 } 1120 1121 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(action)) { 1122 // First, schedule to add these apps back in. 1123 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 1124 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packages)); 1125 // Then, rebind everything. 1126 startLoaderFromBackground(); 1127 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 1128 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 1129 enqueuePackageUpdated(new PackageUpdatedTask( 1130 PackageUpdatedTask.OP_UNAVAILABLE, packages)); 1131 } else if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 1132 // If we have changed locale we need to clear out the labels in all apps/workspace. 1133 forceReload(); 1134 } else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) { 1135 // Check if configuration change was an mcc/mnc change which would affect app resources 1136 // and we would need to clear out the labels in all apps/workspace. Same handling as 1137 // above for ACTION_LOCALE_CHANGED 1138 Configuration currentConfig = context.getResources().getConfiguration(); 1139 if (mPreviousConfigMcc != currentConfig.mcc) { 1140 Log.d(TAG, "Reload apps on config change. curr_mcc:" 1141 + currentConfig.mcc + " prevmcc:" + mPreviousConfigMcc); 1142 forceReload(); 1143 } 1144 // Update previousConfig 1145 mPreviousConfigMcc = currentConfig.mcc; 1146 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action) || 1147 SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED.equals(action)) { 1148 if (mCallbacks != null) { 1149 Callbacks callbacks = mCallbacks.get(); 1150 if (callbacks != null) { 1151 callbacks.bindSearchablesChanged(); 1152 } 1153 } 1154 } 1155 } 1156 1157 private void forceReload() { 1158 resetLoadedState(true, true); 1159 1160 // Do this here because if the launcher activity is running it will be restarted. 1161 // If it's not running startLoaderFromBackground will merely tell it that it needs 1162 // to reload. 1163 startLoaderFromBackground(); 1164 } 1165 1166 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 1167 synchronized (mLock) { 1168 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 1169 // mWorkspaceLoaded to true later 1170 stopLoaderLocked(); 1171 if (resetAllAppsLoaded) mAllAppsLoaded = false; 1172 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 1173 } 1174 } 1175 1176 /** 1177 * When the launcher is in the background, it's possible for it to miss paired 1178 * configuration changes. So whenever we trigger the loader from the background 1179 * tell the launcher that it needs to re-run the loader when it comes back instead 1180 * of doing it now. 1181 */ 1182 public void startLoaderFromBackground() { 1183 boolean runLoader = false; 1184 if (mCallbacks != null) { 1185 Callbacks callbacks = mCallbacks.get(); 1186 if (callbacks != null) { 1187 // Only actually run the loader if they're not paused. 1188 if (!callbacks.setLoadOnResume()) { 1189 runLoader = true; 1190 } 1191 } 1192 } 1193 if (runLoader) { 1194 startLoader(false, -1); 1195 } 1196 } 1197 1198 // If there is already a loader task running, tell it to stop. 1199 // returns true if isLaunching() was true on the old task 1200 private boolean stopLoaderLocked() { 1201 boolean isLaunching = false; 1202 LoaderTask oldTask = mLoaderTask; 1203 if (oldTask != null) { 1204 if (oldTask.isLaunching()) { 1205 isLaunching = true; 1206 } 1207 oldTask.stopLocked(); 1208 } 1209 return isLaunching; 1210 } 1211 1212 public void startLoader(boolean isLaunching, int synchronousBindPage) { 1213 synchronized (mLock) { 1214 if (DEBUG_LOADERS) { 1215 Log.d(TAG, "startLoader isLaunching=" + isLaunching); 1216 } 1217 1218 // Clear any deferred bind-runnables from the synchronized load process 1219 // We must do this before any loading/binding is scheduled below. 1220 mDeferredBindRunnables.clear(); 1221 1222 // Don't bother to start the thread if we know it's not going to do anything 1223 if (mCallbacks != null && mCallbacks.get() != null) { 1224 // If there is already one running, tell it to stop. 1225 // also, don't downgrade isLaunching if we're already running 1226 isLaunching = isLaunching || stopLoaderLocked(); 1227 mLoaderTask = new LoaderTask(mApp.getContext(), isLaunching); 1228 if (synchronousBindPage > -1 && mAllAppsLoaded && mWorkspaceLoaded) { 1229 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 1230 } else { 1231 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 1232 sWorker.post(mLoaderTask); 1233 } 1234 } 1235 } 1236 } 1237 1238 void bindRemainingSynchronousPages() { 1239 // Post the remaining side pages to be loaded 1240 if (!mDeferredBindRunnables.isEmpty()) { 1241 for (final Runnable r : mDeferredBindRunnables) { 1242 mHandler.post(r, MAIN_THREAD_BINDING_RUNNABLE); 1243 } 1244 mDeferredBindRunnables.clear(); 1245 } 1246 } 1247 1248 public void stopLoader() { 1249 synchronized (mLock) { 1250 if (mLoaderTask != null) { 1251 mLoaderTask.stopLocked(); 1252 } 1253 } 1254 } 1255 1256 /** Loads the workspace screens db into a map of Rank -> ScreenId */ 1257 private static TreeMap<Integer, Long> loadWorkspaceScreensDb(Context context) { 1258 final ContentResolver contentResolver = context.getContentResolver(); 1259 final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1260 final Cursor sc = contentResolver.query(screensUri, null, null, null, null); 1261 TreeMap<Integer, Long> orderedScreens = new TreeMap<Integer, Long>(); 1262 1263 try { 1264 final int idIndex = sc.getColumnIndexOrThrow( 1265 LauncherSettings.WorkspaceScreens._ID); 1266 final int rankIndex = sc.getColumnIndexOrThrow( 1267 LauncherSettings.WorkspaceScreens.SCREEN_RANK); 1268 while (sc.moveToNext()) { 1269 try { 1270 long screenId = sc.getLong(idIndex); 1271 int rank = sc.getInt(rankIndex); 1272 1273 Launcher.addDumpLog(TAG, "10249126 - loadWorkspaceScreensDb(" + screenId + ", " + rank + ")", true); 1274 1275 orderedScreens.put(rank, screenId); 1276 } catch (Exception e) { 1277 Launcher.addDumpLog(TAG, "Desktop items loading interrupted - invalid screens: " + e, true); 1278 } 1279 } 1280 } finally { 1281 sc.close(); 1282 } 1283 return orderedScreens; 1284 } 1285 1286 public boolean isAllAppsLoaded() { 1287 return mAllAppsLoaded; 1288 } 1289 1290 boolean isLoadingWorkspace() { 1291 synchronized (mLock) { 1292 if (mLoaderTask != null) { 1293 return mLoaderTask.isLoadingWorkspace(); 1294 } 1295 } 1296 return false; 1297 } 1298 1299 /** 1300 * Runnable for the thread that loads the contents of the launcher: 1301 * - workspace icons 1302 * - widgets 1303 * - all apps icons 1304 */ 1305 private class LoaderTask implements Runnable { 1306 private Context mContext; 1307 private boolean mIsLaunching; 1308 private boolean mIsLoadingAndBindingWorkspace; 1309 private boolean mStopped; 1310 private boolean mLoadAndBindStepFinished; 1311 1312 private HashMap<Object, CharSequence> mLabelCache; 1313 1314 LoaderTask(Context context, boolean isLaunching) { 1315 mContext = context; 1316 mIsLaunching = isLaunching; 1317 mLabelCache = new HashMap<Object, CharSequence>(); 1318 } 1319 1320 boolean isLaunching() { 1321 return mIsLaunching; 1322 } 1323 1324 boolean isLoadingWorkspace() { 1325 return mIsLoadingAndBindingWorkspace; 1326 } 1327 1328 /** Returns whether this is an upgrade path */ 1329 private boolean loadAndBindWorkspace() { 1330 mIsLoadingAndBindingWorkspace = true; 1331 1332 // Load the workspace 1333 if (DEBUG_LOADERS) { 1334 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 1335 } 1336 1337 boolean isUpgradePath = false; 1338 if (!mWorkspaceLoaded) { 1339 isUpgradePath = loadWorkspace(); 1340 synchronized (LoaderTask.this) { 1341 if (mStopped) { 1342 Launcher.addDumpLog(TAG, "10249126 - loadAndBindWorkspace() stopped", true); 1343 return isUpgradePath; 1344 } 1345 mWorkspaceLoaded = true; 1346 } 1347 } 1348 1349 // Bind the workspace 1350 bindWorkspace(-1, isUpgradePath); 1351 return isUpgradePath; 1352 } 1353 1354 private void waitForIdle() { 1355 // Wait until the either we're stopped or the other threads are done. 1356 // This way we don't start loading all apps until the workspace has settled 1357 // down. 1358 synchronized (LoaderTask.this) { 1359 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1360 1361 mHandler.postIdle(new Runnable() { 1362 public void run() { 1363 synchronized (LoaderTask.this) { 1364 mLoadAndBindStepFinished = true; 1365 if (DEBUG_LOADERS) { 1366 Log.d(TAG, "done with previous binding step"); 1367 } 1368 LoaderTask.this.notify(); 1369 } 1370 } 1371 }); 1372 1373 while (!mStopped && !mLoadAndBindStepFinished && !mFlushingWorkerThread) { 1374 try { 1375 // Just in case mFlushingWorkerThread changes but we aren't woken up, 1376 // wait no longer than 1sec at a time 1377 this.wait(1000); 1378 } catch (InterruptedException ex) { 1379 // Ignore 1380 } 1381 } 1382 if (DEBUG_LOADERS) { 1383 Log.d(TAG, "waited " 1384 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1385 + "ms for previous step to finish binding"); 1386 } 1387 } 1388 } 1389 1390 void runBindSynchronousPage(int synchronousBindPage) { 1391 if (synchronousBindPage < 0) { 1392 // Ensure that we have a valid page index to load synchronously 1393 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1394 "valid page index"); 1395 } 1396 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1397 // Ensure that we don't try and bind a specified page when the pages have not been 1398 // loaded already (we should load everything asynchronously in that case) 1399 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1400 } 1401 synchronized (mLock) { 1402 if (mIsLoaderTaskRunning) { 1403 // Ensure that we are never running the background loading at this point since 1404 // we also touch the background collections 1405 throw new RuntimeException("Error! Background loading is already running"); 1406 } 1407 } 1408 1409 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1410 // data structures, we can't allow any other thread to touch that data, but because 1411 // this call is synchronous, we can get away with not locking). 1412 1413 // The LauncherModel is static in the LauncherAppState and mHandler may have queued 1414 // operations from the previous activity. We need to ensure that all queued operations 1415 // are executed before any synchronous binding work is done. 1416 mHandler.flush(); 1417 1418 // Divide the set of loaded items into those that we are binding synchronously, and 1419 // everything else that is to be bound normally (asynchronously). 1420 bindWorkspace(synchronousBindPage, false); 1421 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1422 // arise from that. 1423 onlyBindAllApps(); 1424 } 1425 1426 public void run() { 1427 boolean isUpgrade = false; 1428 1429 synchronized (mLock) { 1430 mIsLoaderTaskRunning = true; 1431 } 1432 // Optimize for end-user experience: if the Launcher is up and // running with the 1433 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1434 // workspace first (default). 1435 keep_running: { 1436 // Elevate priority when Home launches for the first time to avoid 1437 // starving at boot time. Staring at a blank home is not cool. 1438 synchronized (mLock) { 1439 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to " + 1440 (mIsLaunching ? "DEFAULT" : "BACKGROUND")); 1441 android.os.Process.setThreadPriority(mIsLaunching 1442 ? Process.THREAD_PRIORITY_DEFAULT : Process.THREAD_PRIORITY_BACKGROUND); 1443 } 1444 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1445 isUpgrade = loadAndBindWorkspace(); 1446 1447 if (mStopped) { 1448 break keep_running; 1449 } 1450 1451 // Whew! Hard work done. Slow us down, and wait until the UI thread has 1452 // settled down. 1453 synchronized (mLock) { 1454 if (mIsLaunching) { 1455 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to BACKGROUND"); 1456 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1457 } 1458 } 1459 waitForIdle(); 1460 1461 // second step 1462 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1463 loadAndBindAllApps(); 1464 1465 // Restore the default thread priority after we are done loading items 1466 synchronized (mLock) { 1467 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1468 } 1469 } 1470 1471 // Update the saved icons if necessary 1472 if (DEBUG_LOADERS) Log.d(TAG, "Comparing loaded icons to database icons"); 1473 synchronized (sBgLock) { 1474 for (Object key : sBgDbIconCache.keySet()) { 1475 updateSavedIcon(mContext, (ShortcutInfo) key, sBgDbIconCache.get(key)); 1476 } 1477 sBgDbIconCache.clear(); 1478 } 1479 1480 // Ensure that all the applications that are in the system are represented on the home 1481 // screen. 1482 Launcher.addDumpLog(TAG, "10249126 - verifyApplications - useMoreApps=" 1483 + UPGRADE_USE_MORE_APPS_FOLDER + " isUpgrade=" + isUpgrade, true); 1484 if (!UPGRADE_USE_MORE_APPS_FOLDER || !isUpgrade) { 1485 Launcher.addDumpLog(TAG, "10249126 - verifyApplications(" + isUpgrade + ")", true); 1486 verifyApplications(); 1487 } 1488 1489 // Clear out this reference, otherwise we end up holding it until all of the 1490 // callback runnables are done. 1491 mContext = null; 1492 1493 synchronized (mLock) { 1494 // If we are still the last one to be scheduled, remove ourselves. 1495 if (mLoaderTask == this) { 1496 mLoaderTask = null; 1497 } 1498 mIsLoaderTaskRunning = false; 1499 } 1500 } 1501 1502 public void stopLocked() { 1503 synchronized (LoaderTask.this) { 1504 Launcher.addDumpLog(TAG, "10249126 - STOPPED", true); 1505 mStopped = true; 1506 this.notify(); 1507 } 1508 } 1509 1510 /** 1511 * Gets the callbacks object. If we've been stopped, or if the launcher object 1512 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1513 * object that was around when the deferred message was scheduled, and if there's 1514 * a new Callbacks object around then also return null. This will save us from 1515 * calling onto it with data that will be ignored. 1516 */ 1517 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1518 synchronized (mLock) { 1519 if (mStopped) { 1520 return null; 1521 } 1522 1523 if (mCallbacks == null) { 1524 return null; 1525 } 1526 1527 final Callbacks callbacks = mCallbacks.get(); 1528 if (callbacks != oldCallbacks) { 1529 return null; 1530 } 1531 if (callbacks == null) { 1532 Log.w(TAG, "no mCallbacks"); 1533 return null; 1534 } 1535 1536 return callbacks; 1537 } 1538 } 1539 1540 private void verifyApplications() { 1541 final Context context = mApp.getContext(); 1542 1543 // Cross reference all the applications in our apps list with items in the workspace 1544 ArrayList<ItemInfo> tmpInfos; 1545 ArrayList<ItemInfo> added = new ArrayList<ItemInfo>(); 1546 synchronized (sBgLock) { 1547 for (ApplicationInfo app : mBgAllAppsList.data) { 1548 tmpInfos = getItemInfoForComponentName(app.componentName); 1549 Launcher.addDumpLog(TAG, "10249126 - \t" + app.componentName.getPackageName() + ", " + tmpInfos.isEmpty(), true); 1550 if (tmpInfos.isEmpty()) { 1551 // We are missing an application icon, so add this to the workspace 1552 added.add(app); 1553 // This is a rare event, so lets log it 1554 Log.e(TAG, "Missing Application on load: " + app); 1555 } 1556 } 1557 } 1558 if (!added.isEmpty()) { 1559 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 1560 addAndBindAddedApps(context, added, cb); 1561 } 1562 } 1563 1564 private boolean checkItemDimensions(ItemInfo info) { 1565 LauncherAppState app = LauncherAppState.getInstance(); 1566 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1567 return (info.cellX + info.spanX) > (int) grid.numColumns || 1568 (info.cellY + info.spanY) > (int) grid.numRows; 1569 } 1570 1571 // check & update map of what's occupied; used to discard overlapping/invalid items 1572 private boolean checkItemPlacement(HashMap<Long, ItemInfo[][]> occupied, ItemInfo item) { 1573 LauncherAppState app = LauncherAppState.getInstance(); 1574 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1575 int countX = (int) grid.numColumns; 1576 int countY = (int) grid.numRows; 1577 1578 long containerIndex = item.screenId; 1579 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1580 if (occupied.containsKey(LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { 1581 if (occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1582 [(int) item.screenId][0] != null) { 1583 Log.e(TAG, "Error loading shortcut into hotseat " + item 1584 + " into position (" + item.screenId + ":" + item.cellX + "," 1585 + item.cellY + ") occupied by " 1586 + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1587 [(int) item.screenId][0]); 1588 return false; 1589 } 1590 } else { 1591 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1592 items[(int) item.screenId][0] = item; 1593 occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); 1594 return true; 1595 } 1596 } else if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1597 // Skip further checking if it is not the hotseat or workspace container 1598 return true; 1599 } 1600 1601 if (!occupied.containsKey(item.screenId)) { 1602 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1603 occupied.put(item.screenId, items); 1604 } 1605 1606 ItemInfo[][] screens = occupied.get(item.screenId); 1607 // Check if any workspace icons overlap with each other 1608 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1609 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1610 if (screens[x][y] != null) { 1611 Log.e(TAG, "Error loading shortcut " + item 1612 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1613 + x + "," + y 1614 + ") occupied by " 1615 + screens[x][y]); 1616 return false; 1617 } 1618 } 1619 } 1620 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1621 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1622 screens[x][y] = item; 1623 } 1624 } 1625 1626 return true; 1627 } 1628 1629 /** Clears all the sBg data structures */ 1630 private void clearSBgDataStructures() { 1631 synchronized (sBgLock) { 1632 sBgWorkspaceItems.clear(); 1633 sBgAppWidgets.clear(); 1634 sBgFolders.clear(); 1635 sBgItemsIdMap.clear(); 1636 sBgDbIconCache.clear(); 1637 sBgWorkspaceScreens.clear(); 1638 } 1639 } 1640 1641 /** Returns whether this is an upgradge path */ 1642 private boolean loadWorkspace() { 1643 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1644 1645 final Context context = mContext; 1646 final ContentResolver contentResolver = context.getContentResolver(); 1647 final PackageManager manager = context.getPackageManager(); 1648 final AppWidgetManager widgets = AppWidgetManager.getInstance(context); 1649 final boolean isSafeMode = manager.isSafeMode(); 1650 1651 LauncherAppState app = LauncherAppState.getInstance(); 1652 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1653 int countX = (int) grid.numColumns; 1654 int countY = (int) grid.numRows; 1655 1656 // Make sure the default workspace is loaded, if needed 1657 LauncherAppState.getLauncherProvider().loadDefaultFavoritesIfNecessary(0); 1658 1659 // Check if we need to do any upgrade-path logic 1660 boolean loadedOldDb = LauncherAppState.getLauncherProvider().justLoadedOldDb(); 1661 1662 synchronized (sBgLock) { 1663 clearSBgDataStructures(); 1664 Launcher.addDumpLog(TAG, "10249126 - loadWorkspace()", true); 1665 1666 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 1667 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; 1668 final Cursor c = contentResolver.query(contentUri, null, null, null, null); 1669 1670 // +1 for the hotseat (it can be larger than the workspace) 1671 // Load workspace in reverse order to ensure that latest items are loaded first (and 1672 // before any earlier duplicates) 1673 final HashMap<Long, ItemInfo[][]> occupied = new HashMap<Long, ItemInfo[][]>(); 1674 1675 try { 1676 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1677 final int intentIndex = c.getColumnIndexOrThrow 1678 (LauncherSettings.Favorites.INTENT); 1679 final int titleIndex = c.getColumnIndexOrThrow 1680 (LauncherSettings.Favorites.TITLE); 1681 final int iconTypeIndex = c.getColumnIndexOrThrow( 1682 LauncherSettings.Favorites.ICON_TYPE); 1683 final int iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON); 1684 final int iconPackageIndex = c.getColumnIndexOrThrow( 1685 LauncherSettings.Favorites.ICON_PACKAGE); 1686 final int iconResourceIndex = c.getColumnIndexOrThrow( 1687 LauncherSettings.Favorites.ICON_RESOURCE); 1688 final int containerIndex = c.getColumnIndexOrThrow( 1689 LauncherSettings.Favorites.CONTAINER); 1690 final int itemTypeIndex = c.getColumnIndexOrThrow( 1691 LauncherSettings.Favorites.ITEM_TYPE); 1692 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1693 LauncherSettings.Favorites.APPWIDGET_ID); 1694 final int screenIndex = c.getColumnIndexOrThrow( 1695 LauncherSettings.Favorites.SCREEN); 1696 final int cellXIndex = c.getColumnIndexOrThrow 1697 (LauncherSettings.Favorites.CELLX); 1698 final int cellYIndex = c.getColumnIndexOrThrow 1699 (LauncherSettings.Favorites.CELLY); 1700 final int spanXIndex = c.getColumnIndexOrThrow 1701 (LauncherSettings.Favorites.SPANX); 1702 final int spanYIndex = c.getColumnIndexOrThrow( 1703 LauncherSettings.Favorites.SPANY); 1704 //final int uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI); 1705 //final int displayModeIndex = c.getColumnIndexOrThrow( 1706 // LauncherSettings.Favorites.DISPLAY_MODE); 1707 1708 ShortcutInfo info; 1709 String intentDescription; 1710 LauncherAppWidgetInfo appWidgetInfo; 1711 int container; 1712 long id; 1713 Intent intent; 1714 1715 Launcher.addDumpLog(TAG, "10249126 - Num rows: " + c.getCount(), true); 1716 while (!mStopped && c.moveToNext()) { 1717 try { 1718 int itemType = c.getInt(itemTypeIndex); 1719 1720 switch (itemType) { 1721 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1722 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1723 id = c.getLong(idIndex); 1724 intentDescription = c.getString(intentIndex); 1725 try { 1726 intent = Intent.parseUri(intentDescription, 0); 1727 ComponentName cn = intent.getComponent(); 1728 if (cn != null && !isValidPackageComponent(manager, cn)) { 1729 if (!mAppsCanBeOnRemoveableStorage) { 1730 // Log the invalid package, and remove it from the db 1731 Uri uri = LauncherSettings.Favorites.getContentUri(id, 1732 false); 1733 contentResolver.delete(uri, null, null); 1734 Launcher.addDumpLog(TAG, "Invalid package removed: " + cn, true); 1735 } else { 1736 // If apps can be on external storage, then we just 1737 // leave them for the user to remove (maybe add 1738 // visual treatment to it) 1739 Launcher.addDumpLog(TAG, "Invalid package found: " + cn, true); 1740 } 1741 continue; 1742 } 1743 } catch (URISyntaxException e) { 1744 Launcher.addDumpLog(TAG, "Invalid uri: " + intentDescription, true); 1745 continue; 1746 } 1747 1748 if (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 1749 info = getShortcutInfo(manager, intent, context, c, iconIndex, 1750 titleIndex, mLabelCache); 1751 } else { 1752 info = getShortcutInfo(c, context, iconTypeIndex, 1753 iconPackageIndex, iconResourceIndex, iconIndex, 1754 titleIndex); 1755 1756 // App shortcuts that used to be automatically added to Launcher 1757 // didn't always have the correct intent flags set, so do that 1758 // here 1759 if (intent.getAction() != null && 1760 intent.getCategories() != null && 1761 intent.getAction().equals(Intent.ACTION_MAIN) && 1762 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 1763 intent.addFlags( 1764 Intent.FLAG_ACTIVITY_NEW_TASK | 1765 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1766 } 1767 } 1768 1769 if (info != null) { 1770 info.id = id; 1771 info.intent = intent; 1772 container = c.getInt(containerIndex); 1773 info.container = container; 1774 info.screenId = c.getInt(screenIndex); 1775 info.cellX = c.getInt(cellXIndex); 1776 info.cellY = c.getInt(cellYIndex); 1777 info.spanX = 1; 1778 info.spanY = 1; 1779 // Skip loading items that are out of bounds 1780 if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1781 if (checkItemDimensions(info)) { 1782 Launcher.addDumpLog(TAG, "Skipped loading out of bounds shortcut: " 1783 + info + ", " + grid.numColumns + "x" + grid.numRows, true); 1784 continue; 1785 } 1786 } 1787 // check & update map of what's occupied 1788 if (!checkItemPlacement(occupied, info)) { 1789 break; 1790 } 1791 1792 switch (container) { 1793 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1794 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1795 sBgWorkspaceItems.add(info); 1796 break; 1797 default: 1798 // Item is in a user folder 1799 FolderInfo folderInfo = 1800 findOrMakeFolder(sBgFolders, container); 1801 folderInfo.add(info); 1802 break; 1803 } 1804 sBgItemsIdMap.put(info.id, info); 1805 1806 // now that we've loaded everthing re-save it with the 1807 // icon in case it disappears somehow. 1808 queueIconToBeChecked(sBgDbIconCache, info, c, iconIndex); 1809 } else { 1810 throw new RuntimeException("Unexpected null ShortcutInfo"); 1811 } 1812 break; 1813 1814 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1815 id = c.getLong(idIndex); 1816 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 1817 1818 folderInfo.title = c.getString(titleIndex); 1819 folderInfo.id = id; 1820 container = c.getInt(containerIndex); 1821 folderInfo.container = container; 1822 folderInfo.screenId = c.getInt(screenIndex); 1823 folderInfo.cellX = c.getInt(cellXIndex); 1824 folderInfo.cellY = c.getInt(cellYIndex); 1825 folderInfo.spanX = 1; 1826 folderInfo.spanY = 1; 1827 1828 // Skip loading items that are out of bounds 1829 if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1830 if (checkItemDimensions(folderInfo)) { 1831 Log.d(TAG, "Skipped loading out of bounds folder"); 1832 continue; 1833 } 1834 } 1835 // check & update map of what's occupied 1836 if (!checkItemPlacement(occupied, folderInfo)) { 1837 break; 1838 } 1839 1840 switch (container) { 1841 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1842 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1843 sBgWorkspaceItems.add(folderInfo); 1844 break; 1845 } 1846 1847 sBgItemsIdMap.put(folderInfo.id, folderInfo); 1848 sBgFolders.put(folderInfo.id, folderInfo); 1849 break; 1850 1851 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1852 // Read all Launcher-specific widget details 1853 int appWidgetId = c.getInt(appWidgetIdIndex); 1854 id = c.getLong(idIndex); 1855 1856 final AppWidgetProviderInfo provider = 1857 widgets.getAppWidgetInfo(appWidgetId); 1858 1859 if (!isSafeMode && (provider == null || provider.provider == null || 1860 provider.provider.getPackageName() == null)) { 1861 String log = "Deleting widget that isn't installed anymore: id=" 1862 + id + " appWidgetId=" + appWidgetId; 1863 Log.e(TAG, log); 1864 Launcher.addDumpLog(TAG, log, false); 1865 itemsToRemove.add(id); 1866 } else { 1867 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 1868 provider.provider); 1869 appWidgetInfo.id = id; 1870 appWidgetInfo.screenId = c.getInt(screenIndex); 1871 appWidgetInfo.cellX = c.getInt(cellXIndex); 1872 appWidgetInfo.cellY = c.getInt(cellYIndex); 1873 appWidgetInfo.spanX = c.getInt(spanXIndex); 1874 appWidgetInfo.spanY = c.getInt(spanYIndex); 1875 int[] minSpan = Launcher.getMinSpanForWidget(context, provider); 1876 appWidgetInfo.minSpanX = minSpan[0]; 1877 appWidgetInfo.minSpanY = minSpan[1]; 1878 1879 container = c.getInt(containerIndex); 1880 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 1881 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1882 Log.e(TAG, "Widget found where container != " + 1883 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 1884 continue; 1885 } 1886 1887 appWidgetInfo.container = c.getInt(containerIndex); 1888 // Skip loading items that are out of bounds 1889 if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1890 if (checkItemDimensions(appWidgetInfo)) { 1891 Log.d(TAG, "Skipped loading out of bounds app widget"); 1892 continue; 1893 } 1894 } 1895 // check & update map of what's occupied 1896 if (!checkItemPlacement(occupied, appWidgetInfo)) { 1897 break; 1898 } 1899 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 1900 sBgAppWidgets.add(appWidgetInfo); 1901 } 1902 break; 1903 } 1904 } catch (Exception e) { 1905 Launcher.addDumpLog(TAG, "Desktop items loading interrupted: " + e, true); 1906 } 1907 } 1908 } finally { 1909 if (c != null) { 1910 c.close(); 1911 } 1912 } 1913 1914 // Break early if we've stopped loading 1915 if (mStopped) { 1916 Launcher.addDumpLog(TAG, "10249126 - loadWorkspace() - Stopped", true); 1917 clearSBgDataStructures(); 1918 return false; 1919 } 1920 1921 if (itemsToRemove.size() > 0) { 1922 ContentProviderClient client = contentResolver.acquireContentProviderClient( 1923 LauncherSettings.Favorites.CONTENT_URI); 1924 // Remove dead items 1925 for (long id : itemsToRemove) { 1926 if (DEBUG_LOADERS) { 1927 Log.d(TAG, "Removed id = " + id); 1928 } 1929 // Don't notify content observers 1930 try { 1931 client.delete(LauncherSettings.Favorites.getContentUri(id, false), 1932 null, null); 1933 } catch (RemoteException e) { 1934 Log.w(TAG, "Could not remove id = " + id); 1935 } 1936 } 1937 } 1938 1939 if (loadedOldDb) { 1940 Launcher.addDumpLog(TAG, "10249126 - loadWorkspace - loadedOldDb", true); 1941 long maxScreenId = 0; 1942 // If we're importing we use the old screen order. 1943 for (ItemInfo item: sBgItemsIdMap.values()) { 1944 long screenId = item.screenId; 1945 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1946 !sBgWorkspaceScreens.contains(screenId)) { 1947 Launcher.addDumpLog(TAG, "10249126 - loadWorkspace-loadedOldDb(" + screenId + ")", true); 1948 sBgWorkspaceScreens.add(screenId); 1949 if (screenId > maxScreenId) { 1950 maxScreenId = screenId; 1951 } 1952 } 1953 } 1954 Collections.sort(sBgWorkspaceScreens); 1955 1956 // Dump the sBgWorkspaceScreens 1957 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder - sBgWorkspaceScreens", true); 1958 for (Long l : sBgWorkspaceScreens) { 1959 Launcher.addDumpLog(TAG, "10249126\t- " + l, true); 1960 } 1961 1962 LauncherAppState.getLauncherProvider().updateMaxScreenId(maxScreenId); 1963 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 1964 1965 // Update the max item id after we load an old db 1966 long maxItemId = 0; 1967 // If we're importing we use the old screen order. 1968 for (ItemInfo item: sBgItemsIdMap.values()) { 1969 maxItemId = Math.max(maxItemId, item.id); 1970 } 1971 LauncherAppState.getLauncherProvider().updateMaxItemId(maxItemId); 1972 } else { 1973 Launcher.addDumpLog(TAG, "10249126 - loadWorkspace - !loadedOldDb [" + sWorkerThread.getThreadId() + ", " + Process.myTid() + "]", true); 1974 TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(mContext); 1975 for (Integer i : orderedScreens.keySet()) { 1976 Launcher.addDumpLog(TAG, "10249126 - adding to sBgWorkspaceScreens: " + orderedScreens.get(i), true); 1977 sBgWorkspaceScreens.add(orderedScreens.get(i)); 1978 } 1979 1980 // Remove any empty screens 1981 ArrayList<Long> unusedScreens = new ArrayList<Long>(sBgWorkspaceScreens); 1982 for (Long l : unusedScreens) { 1983 Launcher.addDumpLog(TAG, "10249126 - unused screens: " + l, true); 1984 } 1985 1986 Launcher.addDumpLog(TAG, "10249126 - sBgItemsIdMap [" + sWorkerThread.getThreadId() + ", " + Process.myTid() + "]", true); 1987 for (ItemInfo item: sBgItemsIdMap.values()) { 1988 long screenId = item.screenId; 1989 Launcher.addDumpLog(TAG, "10249126 - \t" + item.container + ", " + screenId + " - " + unusedScreens.contains(screenId) + " | " + item, true); 1990 1991 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1992 unusedScreens.contains(screenId)) { 1993 unusedScreens.remove(screenId); 1994 Launcher.addDumpLog(TAG, "10249126 - \t\tRemoving " + screenId, true); 1995 for (Long l : unusedScreens) { 1996 Launcher.addDumpLog(TAG, "10249126 - \t\t\t unused screens: " + l, true); 1997 } 1998 } 1999 } 2000 2001 // If there are any empty screens remove them, and update. 2002 if (unusedScreens.size() != 0) { 2003 // Dump the sBgWorkspaceScreens 2004 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder - sBgWorkspaceScreens - pre removeAll", true); 2005 for (Long l : sBgWorkspaceScreens) { 2006 Launcher.addDumpLog(TAG, "10249126\t- " + l, true); 2007 } 2008 2009 sBgWorkspaceScreens.removeAll(unusedScreens); 2010 2011 // Dump the sBgWorkspaceScreens 2012 Launcher.addDumpLog(TAG, "10249126 - updateWorkspaceScreenOrder - sBgWorkspaceScreens - post removeAll", true); 2013 for (Long l : sBgWorkspaceScreens) { 2014 Launcher.addDumpLog(TAG, "10249126\t- " + l, true); 2015 } 2016 2017 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 2018 } 2019 } 2020 2021 if (DEBUG_LOADERS) { 2022 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 2023 Log.d(TAG, "workspace layout: "); 2024 int nScreens = occupied.size(); 2025 for (int y = 0; y < countY; y++) { 2026 String line = ""; 2027 2028 Iterator<Long> iter = occupied.keySet().iterator(); 2029 while (iter.hasNext()) { 2030 long screenId = iter.next(); 2031 if (screenId > 0) { 2032 line += " | "; 2033 } 2034 for (int x = 0; x < countX; x++) { 2035 line += ((occupied.get(screenId)[x][y] != null) ? "#" : "."); 2036 } 2037 } 2038 Log.d(TAG, "[ " + line + " ]"); 2039 } 2040 } 2041 } 2042 return loadedOldDb; 2043 } 2044 2045 /** Filters the set of items who are directly or indirectly (via another container) on the 2046 * specified screen. */ 2047 private void filterCurrentWorkspaceItems(int currentScreen, 2048 ArrayList<ItemInfo> allWorkspaceItems, 2049 ArrayList<ItemInfo> currentScreenItems, 2050 ArrayList<ItemInfo> otherScreenItems) { 2051 // Purge any null ItemInfos 2052 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 2053 while (iter.hasNext()) { 2054 ItemInfo i = iter.next(); 2055 if (i == null) { 2056 iter.remove(); 2057 } 2058 } 2059 2060 // If we aren't filtering on a screen, then the set of items to load is the full set of 2061 // items given. 2062 if (currentScreen < 0) { 2063 currentScreenItems.addAll(allWorkspaceItems); 2064 } 2065 2066 // Order the set of items by their containers first, this allows use to walk through the 2067 // list sequentially, build up a list of containers that are in the specified screen, 2068 // as well as all items in those containers. 2069 Set<Long> itemsOnScreen = new HashSet<Long>(); 2070 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 2071 @Override 2072 public int compare(ItemInfo lhs, ItemInfo rhs) { 2073 return (int) (lhs.container - rhs.container); 2074 } 2075 }); 2076 for (ItemInfo info : allWorkspaceItems) { 2077 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 2078 if (info.screenId == currentScreen) { 2079 currentScreenItems.add(info); 2080 itemsOnScreen.add(info.id); 2081 } else { 2082 otherScreenItems.add(info); 2083 } 2084 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2085 currentScreenItems.add(info); 2086 itemsOnScreen.add(info.id); 2087 } else { 2088 if (itemsOnScreen.contains(info.container)) { 2089 currentScreenItems.add(info); 2090 itemsOnScreen.add(info.id); 2091 } else { 2092 otherScreenItems.add(info); 2093 } 2094 } 2095 } 2096 } 2097 2098 /** Filters the set of widgets which are on the specified screen. */ 2099 private void filterCurrentAppWidgets(int currentScreen, 2100 ArrayList<LauncherAppWidgetInfo> appWidgets, 2101 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 2102 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 2103 // If we aren't filtering on a screen, then the set of items to load is the full set of 2104 // widgets given. 2105 if (currentScreen < 0) { 2106 currentScreenWidgets.addAll(appWidgets); 2107 } 2108 2109 for (LauncherAppWidgetInfo widget : appWidgets) { 2110 if (widget == null) continue; 2111 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2112 widget.screenId == currentScreen) { 2113 currentScreenWidgets.add(widget); 2114 } else { 2115 otherScreenWidgets.add(widget); 2116 } 2117 } 2118 } 2119 2120 /** Filters the set of folders which are on the specified screen. */ 2121 private void filterCurrentFolders(int currentScreen, 2122 HashMap<Long, ItemInfo> itemsIdMap, 2123 HashMap<Long, FolderInfo> folders, 2124 HashMap<Long, FolderInfo> currentScreenFolders, 2125 HashMap<Long, FolderInfo> otherScreenFolders) { 2126 // If we aren't filtering on a screen, then the set of items to load is the full set of 2127 // widgets given. 2128 if (currentScreen < 0) { 2129 currentScreenFolders.putAll(folders); 2130 } 2131 2132 for (long id : folders.keySet()) { 2133 ItemInfo info = itemsIdMap.get(id); 2134 FolderInfo folder = folders.get(id); 2135 if (info == null || folder == null) continue; 2136 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2137 info.screenId == currentScreen) { 2138 currentScreenFolders.put(id, folder); 2139 } else { 2140 otherScreenFolders.put(id, folder); 2141 } 2142 } 2143 } 2144 2145 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 2146 * right) */ 2147 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 2148 final LauncherAppState app = LauncherAppState.getInstance(); 2149 final DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 2150 // XXX: review this 2151 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 2152 @Override 2153 public int compare(ItemInfo lhs, ItemInfo rhs) { 2154 int cellCountX = (int) grid.numColumns; 2155 int cellCountY = (int) grid.numRows; 2156 int screenOffset = cellCountX * cellCountY; 2157 int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat 2158 long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset + 2159 lhs.cellY * cellCountX + lhs.cellX); 2160 long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset + 2161 rhs.cellY * cellCountX + rhs.cellX); 2162 return (int) (lr - rr); 2163 } 2164 }); 2165 } 2166 2167 private void bindWorkspaceScreens(final Callbacks oldCallbacks, 2168 final ArrayList<Long> orderedScreens) { 2169 Launcher.addDumpLog(TAG, "10249126 - bindWorkspaceScreens()", true); 2170 2171 // Dump the orderedScreens 2172 synchronized (sBgLock) { 2173 Launcher.addDumpLog(TAG, "10249126 - orderedScreens", true); 2174 for (Long l : sBgWorkspaceScreens) { 2175 Launcher.addDumpLog(TAG, "10249126\t- " + l, true); 2176 } 2177 } 2178 2179 final Runnable r = new Runnable() { 2180 @Override 2181 public void run() { 2182 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2183 if (callbacks != null) { 2184 callbacks.bindScreens(orderedScreens); 2185 } 2186 } 2187 }; 2188 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2189 } 2190 2191 private void bindWorkspaceItems(final Callbacks oldCallbacks, 2192 final ArrayList<ItemInfo> workspaceItems, 2193 final ArrayList<LauncherAppWidgetInfo> appWidgets, 2194 final HashMap<Long, FolderInfo> folders, 2195 ArrayList<Runnable> deferredBindRunnables) { 2196 2197 final boolean postOnMainThread = (deferredBindRunnables != null); 2198 2199 // Bind the workspace items 2200 int N = workspaceItems.size(); 2201 for (int i = 0; i < N; i += ITEMS_CHUNK) { 2202 final int start = i; 2203 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 2204 final Runnable r = new Runnable() { 2205 @Override 2206 public void run() { 2207 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2208 if (callbacks != null) { 2209 callbacks.bindItems(workspaceItems, start, start+chunkSize, 2210 false); 2211 } 2212 } 2213 }; 2214 if (postOnMainThread) { 2215 deferredBindRunnables.add(r); 2216 } else { 2217 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2218 } 2219 } 2220 2221 // Bind the folders 2222 if (!folders.isEmpty()) { 2223 final Runnable r = new Runnable() { 2224 public void run() { 2225 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2226 if (callbacks != null) { 2227 callbacks.bindFolders(folders); 2228 } 2229 } 2230 }; 2231 if (postOnMainThread) { 2232 deferredBindRunnables.add(r); 2233 } else { 2234 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2235 } 2236 } 2237 2238 // Bind the widgets, one at a time 2239 N = appWidgets.size(); 2240 for (int i = 0; i < N; i++) { 2241 final LauncherAppWidgetInfo widget = appWidgets.get(i); 2242 final Runnable r = new Runnable() { 2243 public void run() { 2244 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2245 if (callbacks != null) { 2246 callbacks.bindAppWidget(widget); 2247 } 2248 } 2249 }; 2250 if (postOnMainThread) { 2251 deferredBindRunnables.add(r); 2252 } else { 2253 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2254 } 2255 } 2256 } 2257 2258 /** 2259 * Binds all loaded data to actual views on the main thread. 2260 */ 2261 private void bindWorkspace(int synchronizeBindPage, final boolean isUpgradePath) { 2262 Launcher.addDumpLog(TAG, "10249126 - bindWorkspace(" + synchronizeBindPage + ", " + isUpgradePath + ")", true); 2263 final long t = SystemClock.uptimeMillis(); 2264 Runnable r; 2265 2266 // Don't use these two variables in any of the callback runnables. 2267 // Otherwise we hold a reference to them. 2268 final Callbacks oldCallbacks = mCallbacks.get(); 2269 if (oldCallbacks == null) { 2270 // This launcher has exited and nobody bothered to tell us. Just bail. 2271 Log.w(TAG, "LoaderTask running with no launcher"); 2272 return; 2273 } 2274 2275 final boolean isLoadingSynchronously = (synchronizeBindPage > -1); 2276 final int currentScreen = isLoadingSynchronously ? synchronizeBindPage : 2277 oldCallbacks.getCurrentWorkspaceScreen(); 2278 2279 // Load all the items that are on the current page first (and in the process, unbind 2280 // all the existing workspace items before we call startBinding() below. 2281 unbindWorkspaceItemsOnMainThread(); 2282 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 2283 ArrayList<LauncherAppWidgetInfo> appWidgets = 2284 new ArrayList<LauncherAppWidgetInfo>(); 2285 HashMap<Long, FolderInfo> folders = new HashMap<Long, FolderInfo>(); 2286 HashMap<Long, ItemInfo> itemsIdMap = new HashMap<Long, ItemInfo>(); 2287 ArrayList<Long> orderedScreenIds = new ArrayList<Long>(); 2288 synchronized (sBgLock) { 2289 workspaceItems.addAll(sBgWorkspaceItems); 2290 appWidgets.addAll(sBgAppWidgets); 2291 folders.putAll(sBgFolders); 2292 itemsIdMap.putAll(sBgItemsIdMap); 2293 orderedScreenIds.addAll(sBgWorkspaceScreens); 2294 } 2295 2296 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 2297 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 2298 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 2299 new ArrayList<LauncherAppWidgetInfo>(); 2300 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 2301 new ArrayList<LauncherAppWidgetInfo>(); 2302 HashMap<Long, FolderInfo> currentFolders = new HashMap<Long, FolderInfo>(); 2303 HashMap<Long, FolderInfo> otherFolders = new HashMap<Long, FolderInfo>(); 2304 2305 // Separate the items that are on the current screen, and all the other remaining items 2306 filterCurrentWorkspaceItems(currentScreen, workspaceItems, currentWorkspaceItems, 2307 otherWorkspaceItems); 2308 filterCurrentAppWidgets(currentScreen, appWidgets, currentAppWidgets, 2309 otherAppWidgets); 2310 filterCurrentFolders(currentScreen, itemsIdMap, folders, currentFolders, 2311 otherFolders); 2312 sortWorkspaceItemsSpatially(currentWorkspaceItems); 2313 sortWorkspaceItemsSpatially(otherWorkspaceItems); 2314 2315 // Tell the workspace that we're about to start binding items 2316 r = new Runnable() { 2317 public void run() { 2318 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2319 if (callbacks != null) { 2320 callbacks.startBinding(); 2321 } 2322 } 2323 }; 2324 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2325 2326 bindWorkspaceScreens(oldCallbacks, orderedScreenIds); 2327 2328 // Load items on the current page 2329 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 2330 currentFolders, null); 2331 if (isLoadingSynchronously) { 2332 r = new Runnable() { 2333 public void run() { 2334 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2335 if (callbacks != null) { 2336 callbacks.onPageBoundSynchronously(currentScreen); 2337 } 2338 } 2339 }; 2340 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2341 } 2342 2343 // Load all the remaining pages (if we are loading synchronously, we want to defer this 2344 // work until after the first render) 2345 mDeferredBindRunnables.clear(); 2346 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, 2347 (isLoadingSynchronously ? mDeferredBindRunnables : null)); 2348 2349 // Tell the workspace that we're done binding items 2350 r = new Runnable() { 2351 public void run() { 2352 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2353 if (callbacks != null) { 2354 callbacks.finishBindingItems(isUpgradePath); 2355 } 2356 2357 // If we're profiling, ensure this is the last thing in the queue. 2358 if (DEBUG_LOADERS) { 2359 Log.d(TAG, "bound workspace in " 2360 + (SystemClock.uptimeMillis()-t) + "ms"); 2361 } 2362 2363 mIsLoadingAndBindingWorkspace = false; 2364 } 2365 }; 2366 if (isLoadingSynchronously) { 2367 mDeferredBindRunnables.add(r); 2368 } else { 2369 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2370 } 2371 } 2372 2373 private void loadAndBindAllApps() { 2374 if (DEBUG_LOADERS) { 2375 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 2376 } 2377 if (!mAllAppsLoaded) { 2378 loadAllApps(); 2379 synchronized (LoaderTask.this) { 2380 if (mStopped) { 2381 return; 2382 } 2383 mAllAppsLoaded = true; 2384 } 2385 } else { 2386 onlyBindAllApps(); 2387 } 2388 } 2389 2390 private void onlyBindAllApps() { 2391 final Callbacks oldCallbacks = mCallbacks.get(); 2392 if (oldCallbacks == null) { 2393 // This launcher has exited and nobody bothered to tell us. Just bail. 2394 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 2395 return; 2396 } 2397 2398 // shallow copy 2399 @SuppressWarnings("unchecked") 2400 final ArrayList<ApplicationInfo> list 2401 = (ArrayList<ApplicationInfo>) mBgAllAppsList.data.clone(); 2402 Runnable r = new Runnable() { 2403 public void run() { 2404 final long t = SystemClock.uptimeMillis(); 2405 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2406 if (callbacks != null) { 2407 callbacks.bindAllApplications(list); 2408 } 2409 if (DEBUG_LOADERS) { 2410 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 2411 + (SystemClock.uptimeMillis()-t) + "ms"); 2412 } 2413 } 2414 }; 2415 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 2416 if (isRunningOnMainThread) { 2417 r.run(); 2418 } else { 2419 mHandler.post(r); 2420 } 2421 } 2422 2423 private void loadAllApps() { 2424 final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2425 2426 // Don't use these two variables in any of the callback runnables. 2427 // Otherwise we hold a reference to them. 2428 final Callbacks oldCallbacks = mCallbacks.get(); 2429 if (oldCallbacks == null) { 2430 // This launcher has exited and nobody bothered to tell us. Just bail. 2431 Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); 2432 return; 2433 } 2434 2435 final PackageManager packageManager = mContext.getPackageManager(); 2436 final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 2437 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2438 2439 // Clear the list of apps 2440 mBgAllAppsList.clear(); 2441 2442 // Query for the set of apps 2443 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2444 List<ResolveInfo> apps = packageManager.queryIntentActivities(mainIntent, 0); 2445 if (DEBUG_LOADERS) { 2446 Log.d(TAG, "queryIntentActivities took " 2447 + (SystemClock.uptimeMillis()-qiaTime) + "ms"); 2448 Log.d(TAG, "queryIntentActivities got " + apps.size() + " apps"); 2449 } 2450 // Fail if we don't have any apps 2451 if (apps == null || apps.isEmpty()) { 2452 return; 2453 } 2454 // Sort the applications by name 2455 final long sortTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2456 Collections.sort(apps, 2457 new LauncherModel.ShortcutNameComparator(packageManager, mLabelCache)); 2458 if (DEBUG_LOADERS) { 2459 Log.d(TAG, "sort took " 2460 + (SystemClock.uptimeMillis()-sortTime) + "ms"); 2461 } 2462 2463 // Create the ApplicationInfos 2464 for (int i = 0; i < apps.size(); i++) { 2465 // This builds the icon bitmaps. 2466 mBgAllAppsList.add(new ApplicationInfo(packageManager, apps.get(i), 2467 mIconCache, mLabelCache)); 2468 } 2469 2470 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2471 final ArrayList<ApplicationInfo> added = mBgAllAppsList.added; 2472 mBgAllAppsList.added = new ArrayList<ApplicationInfo>(); 2473 2474 // Post callback on main thread 2475 mHandler.post(new Runnable() { 2476 public void run() { 2477 final long bindTime = SystemClock.uptimeMillis(); 2478 if (callbacks != null) { 2479 callbacks.bindAllApplications(added); 2480 if (DEBUG_LOADERS) { 2481 Log.d(TAG, "bound " + added.size() + " apps in " 2482 + (SystemClock.uptimeMillis() - bindTime) + "ms"); 2483 } 2484 } else { 2485 Log.i(TAG, "not binding apps: no Launcher activity"); 2486 } 2487 } 2488 }); 2489 2490 if (DEBUG_LOADERS) { 2491 Log.d(TAG, "Icons processed in " 2492 + (SystemClock.uptimeMillis() - loadTime) + "ms"); 2493 } 2494 } 2495 2496 public void dumpState() { 2497 synchronized (sBgLock) { 2498 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 2499 Log.d(TAG, "mLoaderTask.mIsLaunching=" + mIsLaunching); 2500 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 2501 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 2502 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 2503 } 2504 } 2505 } 2506 2507 void enqueuePackageUpdated(PackageUpdatedTask task) { 2508 sWorker.post(task); 2509 } 2510 2511 private class PackageUpdatedTask implements Runnable { 2512 int mOp; 2513 String[] mPackages; 2514 2515 public static final int OP_NONE = 0; 2516 public static final int OP_ADD = 1; 2517 public static final int OP_UPDATE = 2; 2518 public static final int OP_REMOVE = 3; // uninstlled 2519 public static final int OP_UNAVAILABLE = 4; // external media unmounted 2520 2521 2522 public PackageUpdatedTask(int op, String[] packages) { 2523 mOp = op; 2524 mPackages = packages; 2525 } 2526 2527 public void run() { 2528 final Context context = mApp.getContext(); 2529 2530 final String[] packages = mPackages; 2531 final int N = packages.length; 2532 switch (mOp) { 2533 case OP_ADD: 2534 for (int i=0; i<N; i++) { 2535 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 2536 mBgAllAppsList.addPackage(context, packages[i]); 2537 } 2538 break; 2539 case OP_UPDATE: 2540 for (int i=0; i<N; i++) { 2541 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 2542 mBgAllAppsList.updatePackage(context, packages[i]); 2543 WidgetPreviewLoader.removeFromDb( 2544 mApp.getWidgetPreviewCacheDb(), packages[i]); 2545 } 2546 break; 2547 case OP_REMOVE: 2548 case OP_UNAVAILABLE: 2549 for (int i=0; i<N; i++) { 2550 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 2551 mBgAllAppsList.removePackage(packages[i]); 2552 WidgetPreviewLoader.removeFromDb( 2553 mApp.getWidgetPreviewCacheDb(), packages[i]); 2554 } 2555 break; 2556 } 2557 2558 ArrayList<ApplicationInfo> added = null; 2559 ArrayList<ApplicationInfo> modified = null; 2560 final ArrayList<ApplicationInfo> removedApps = new ArrayList<ApplicationInfo>(); 2561 2562 if (mBgAllAppsList.added.size() > 0) { 2563 added = new ArrayList<ApplicationInfo>(mBgAllAppsList.added); 2564 mBgAllAppsList.added.clear(); 2565 } 2566 if (mBgAllAppsList.modified.size() > 0) { 2567 modified = new ArrayList<ApplicationInfo>(mBgAllAppsList.modified); 2568 mBgAllAppsList.modified.clear(); 2569 } 2570 if (mBgAllAppsList.removed.size() > 0) { 2571 removedApps.addAll(mBgAllAppsList.removed); 2572 mBgAllAppsList.removed.clear(); 2573 } 2574 2575 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 2576 if (callbacks == null) { 2577 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 2578 return; 2579 } 2580 2581 if (added != null) { 2582 // Ensure that we add all the workspace applications to the db 2583 final ArrayList<ItemInfo> addedInfos = new ArrayList<ItemInfo>(added); 2584 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2585 addAndBindAddedApps(context, addedInfos, cb); 2586 } 2587 if (modified != null) { 2588 final ArrayList<ApplicationInfo> modifiedFinal = modified; 2589 2590 // Update the launcher db to reflect the changes 2591 for (ApplicationInfo a : modifiedFinal) { 2592 ArrayList<ItemInfo> infos = 2593 getItemInfoForComponentName(a.componentName); 2594 for (ItemInfo i : infos) { 2595 if (isShortcutInfoUpdateable(i)) { 2596 ShortcutInfo info = (ShortcutInfo) i; 2597 info.title = a.title.toString(); 2598 updateItemInDatabase(context, info); 2599 } 2600 } 2601 } 2602 2603 mHandler.post(new Runnable() { 2604 public void run() { 2605 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2606 if (callbacks == cb && cb != null) { 2607 callbacks.bindAppsUpdated(modifiedFinal); 2608 } 2609 } 2610 }); 2611 } 2612 // If a package has been removed, or an app has been removed as a result of 2613 // an update (for example), make the removed callback. 2614 if (mOp == OP_REMOVE || !removedApps.isEmpty()) { 2615 final boolean packageRemoved = (mOp == OP_REMOVE); 2616 final ArrayList<String> removedPackageNames = 2617 new ArrayList<String>(Arrays.asList(packages)); 2618 2619 // Update the launcher db to reflect the removal of apps 2620 if (packageRemoved) { 2621 for (String pn : removedPackageNames) { 2622 ArrayList<ItemInfo> infos = getItemInfoForPackageName(pn); 2623 for (ItemInfo i : infos) { 2624 deleteItemFromDatabase(context, i); 2625 } 2626 } 2627 } else { 2628 for (ApplicationInfo a : removedApps) { 2629 ArrayList<ItemInfo> infos = 2630 getItemInfoForComponentName(a.componentName); 2631 for (ItemInfo i : infos) { 2632 deleteItemFromDatabase(context, i); 2633 } 2634 } 2635 } 2636 2637 mHandler.post(new Runnable() { 2638 public void run() { 2639 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2640 if (callbacks == cb && cb != null) { 2641 callbacks.bindComponentsRemoved(removedPackageNames, 2642 removedApps, packageRemoved); 2643 } 2644 } 2645 }); 2646 } 2647 2648 final ArrayList<Object> widgetsAndShortcuts = 2649 getSortedWidgetsAndShortcuts(context); 2650 mHandler.post(new Runnable() { 2651 @Override 2652 public void run() { 2653 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2654 if (callbacks == cb && cb != null) { 2655 callbacks.bindPackagesUpdated(widgetsAndShortcuts); 2656 } 2657 } 2658 }); 2659 2660 // Write all the logs to disk 2661 Launcher.addDumpLog(TAG, "10249126 - PackageUpdatedTask - dumping logs to disk", true); 2662 mHandler.post(new Runnable() { 2663 public void run() { 2664 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2665 if (callbacks == cb && cb != null) { 2666 callbacks.dumpLogsToLocalData(false); 2667 } 2668 } 2669 }); 2670 } 2671 } 2672 2673 // Returns a list of ResolveInfos/AppWindowInfos in sorted order 2674 public static ArrayList<Object> getSortedWidgetsAndShortcuts(Context context) { 2675 PackageManager packageManager = context.getPackageManager(); 2676 final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>(); 2677 widgetsAndShortcuts.addAll(AppWidgetManager.getInstance(context).getInstalledProviders()); 2678 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 2679 widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0)); 2680 Collections.sort(widgetsAndShortcuts, 2681 new LauncherModel.WidgetAndShortcutNameComparator(packageManager)); 2682 return widgetsAndShortcuts; 2683 } 2684 2685 private boolean isValidPackageComponent(PackageManager pm, ComponentName cn) { 2686 if (cn == null) { 2687 return false; 2688 } 2689 2690 try { 2691 // Skip if the application is disabled 2692 PackageInfo pi = pm.getPackageInfo(cn.getPackageName(), 0); 2693 if (!pi.applicationInfo.enabled) { 2694 return false; 2695 } 2696 2697 // Check the activity 2698 return (pm.getActivityInfo(cn, 0) != null); 2699 } catch (NameNotFoundException e) { 2700 return false; 2701 } 2702 } 2703 2704 /** 2705 * This is called from the code that adds shortcuts from the intent receiver. This 2706 * doesn't have a Cursor, but 2707 */ 2708 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context) { 2709 return getShortcutInfo(manager, intent, context, null, -1, -1, null); 2710 } 2711 2712 /** 2713 * Make an ShortcutInfo object for a shortcut that is an application. 2714 * 2715 * If c is not null, then it will be used to fill in missing data like the title and icon. 2716 */ 2717 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context, 2718 Cursor c, int iconIndex, int titleIndex, HashMap<Object, CharSequence> labelCache) { 2719 ComponentName componentName = intent.getComponent(); 2720 final ShortcutInfo info = new ShortcutInfo(); 2721 if (componentName != null && !isValidPackageComponent(manager, componentName)) { 2722 Log.d(TAG, "Invalid package found in getShortcutInfo: " + componentName); 2723 return null; 2724 } else { 2725 try { 2726 PackageInfo pi = manager.getPackageInfo(componentName.getPackageName(), 0); 2727 info.initFlagsAndFirstInstallTime(pi); 2728 } catch (NameNotFoundException e) { 2729 Log.d(TAG, "getPackInfo failed for package " + 2730 componentName.getPackageName()); 2731 } 2732 } 2733 2734 // TODO: See if the PackageManager knows about this case. If it doesn't 2735 // then return null & delete this. 2736 2737 // the resource -- This may implicitly give us back the fallback icon, 2738 // but don't worry about that. All we're doing with usingFallbackIcon is 2739 // to avoid saving lots of copies of that in the database, and most apps 2740 // have icons anyway. 2741 2742 // Attempt to use queryIntentActivities to get the ResolveInfo (with IntentFilter info) and 2743 // if that fails, or is ambiguious, fallback to the standard way of getting the resolve info 2744 // via resolveActivity(). 2745 Bitmap icon = null; 2746 ResolveInfo resolveInfo = null; 2747 ComponentName oldComponent = intent.getComponent(); 2748 Intent newIntent = new Intent(intent.getAction(), null); 2749 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2750 newIntent.setPackage(oldComponent.getPackageName()); 2751 List<ResolveInfo> infos = manager.queryIntentActivities(newIntent, 0); 2752 for (ResolveInfo i : infos) { 2753 ComponentName cn = new ComponentName(i.activityInfo.packageName, 2754 i.activityInfo.name); 2755 if (cn.equals(oldComponent)) { 2756 resolveInfo = i; 2757 } 2758 } 2759 if (resolveInfo == null) { 2760 resolveInfo = manager.resolveActivity(intent, 0); 2761 } 2762 if (resolveInfo != null) { 2763 icon = mIconCache.getIcon(componentName, resolveInfo, labelCache); 2764 } 2765 // the db 2766 if (icon == null) { 2767 if (c != null) { 2768 icon = getIconFromCursor(c, iconIndex, context); 2769 } 2770 } 2771 // the fallback icon 2772 if (icon == null) { 2773 icon = getFallbackIcon(); 2774 info.usingFallbackIcon = true; 2775 } 2776 info.setIcon(icon); 2777 2778 // from the resource 2779 if (resolveInfo != null) { 2780 ComponentName key = LauncherModel.getComponentNameFromResolveInfo(resolveInfo); 2781 if (labelCache != null && labelCache.containsKey(key)) { 2782 info.title = labelCache.get(key); 2783 } else { 2784 info.title = resolveInfo.activityInfo.loadLabel(manager); 2785 if (labelCache != null) { 2786 labelCache.put(key, info.title); 2787 } 2788 } 2789 } 2790 // from the db 2791 if (info.title == null) { 2792 if (c != null) { 2793 info.title = c.getString(titleIndex); 2794 } 2795 } 2796 // fall back to the class name of the activity 2797 if (info.title == null) { 2798 info.title = componentName.getClassName(); 2799 } 2800 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 2801 return info; 2802 } 2803 2804 static ArrayList<ItemInfo> filterItemInfos(Collection<ItemInfo> infos, 2805 ItemInfoFilter f) { 2806 HashSet<ItemInfo> filtered = new HashSet<ItemInfo>(); 2807 for (ItemInfo i : infos) { 2808 if (i instanceof ShortcutInfo) { 2809 ShortcutInfo info = (ShortcutInfo) i; 2810 ComponentName cn = info.intent.getComponent(); 2811 if (cn != null && f.filterItem(null, info, cn)) { 2812 filtered.add(info); 2813 } 2814 } else if (i instanceof FolderInfo) { 2815 FolderInfo info = (FolderInfo) i; 2816 for (ShortcutInfo s : info.contents) { 2817 ComponentName cn = s.intent.getComponent(); 2818 if (cn != null && f.filterItem(info, s, cn)) { 2819 filtered.add(s); 2820 } 2821 } 2822 } else if (i instanceof LauncherAppWidgetInfo) { 2823 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; 2824 ComponentName cn = info.providerName; 2825 if (cn != null && f.filterItem(null, info, cn)) { 2826 filtered.add(info); 2827 } 2828 } 2829 } 2830 return new ArrayList<ItemInfo>(filtered); 2831 } 2832 2833 private ArrayList<ItemInfo> getItemInfoForPackageName(final String pn) { 2834 HashSet<ItemInfo> infos = new HashSet<ItemInfo>(); 2835 ItemInfoFilter filter = new ItemInfoFilter() { 2836 @Override 2837 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 2838 return cn.getPackageName().equals(pn); 2839 } 2840 }; 2841 return filterItemInfos(sBgItemsIdMap.values(), filter); 2842 } 2843 2844 private ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname) { 2845 HashSet<ItemInfo> infos = new HashSet<ItemInfo>(); 2846 ItemInfoFilter filter = new ItemInfoFilter() { 2847 @Override 2848 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 2849 return cn.equals(cname); 2850 } 2851 }; 2852 return filterItemInfos(sBgItemsIdMap.values(), filter); 2853 } 2854 2855 public static boolean isShortcutInfoUpdateable(ItemInfo i) { 2856 if (i instanceof ShortcutInfo) { 2857 ShortcutInfo info = (ShortcutInfo) i; 2858 // We need to check for ACTION_MAIN otherwise getComponent() might 2859 // return null for some shortcuts (for instance, for shortcuts to 2860 // web pages.) 2861 Intent intent = info.intent; 2862 ComponentName name = intent.getComponent(); 2863 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 2864 Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 2865 return true; 2866 } 2867 } 2868 return false; 2869 } 2870 2871 /** 2872 * Make an ShortcutInfo object for a shortcut that isn't an application. 2873 */ 2874 private ShortcutInfo getShortcutInfo(Cursor c, Context context, 2875 int iconTypeIndex, int iconPackageIndex, int iconResourceIndex, int iconIndex, 2876 int titleIndex) { 2877 2878 Bitmap icon = null; 2879 final ShortcutInfo info = new ShortcutInfo(); 2880 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 2881 2882 // TODO: If there's an explicit component and we can't install that, delete it. 2883 2884 info.title = c.getString(titleIndex); 2885 2886 int iconType = c.getInt(iconTypeIndex); 2887 switch (iconType) { 2888 case LauncherSettings.Favorites.ICON_TYPE_RESOURCE: 2889 String packageName = c.getString(iconPackageIndex); 2890 String resourceName = c.getString(iconResourceIndex); 2891 PackageManager packageManager = context.getPackageManager(); 2892 info.customIcon = false; 2893 // the resource 2894 try { 2895 Resources resources = packageManager.getResourcesForApplication(packageName); 2896 if (resources != null) { 2897 final int id = resources.getIdentifier(resourceName, null, null); 2898 icon = Utilities.createIconBitmap( 2899 mIconCache.getFullResIcon(resources, id), context); 2900 } 2901 } catch (Exception e) { 2902 // drop this. we have other places to look for icons 2903 } 2904 // the db 2905 if (icon == null) { 2906 icon = getIconFromCursor(c, iconIndex, context); 2907 } 2908 // the fallback icon 2909 if (icon == null) { 2910 icon = getFallbackIcon(); 2911 info.usingFallbackIcon = true; 2912 } 2913 break; 2914 case LauncherSettings.Favorites.ICON_TYPE_BITMAP: 2915 icon = getIconFromCursor(c, iconIndex, context); 2916 if (icon == null) { 2917 icon = getFallbackIcon(); 2918 info.customIcon = false; 2919 info.usingFallbackIcon = true; 2920 } else { 2921 info.customIcon = true; 2922 } 2923 break; 2924 default: 2925 icon = getFallbackIcon(); 2926 info.usingFallbackIcon = true; 2927 info.customIcon = false; 2928 break; 2929 } 2930 info.setIcon(icon); 2931 return info; 2932 } 2933 2934 Bitmap getIconFromCursor(Cursor c, int iconIndex, Context context) { 2935 @SuppressWarnings("all") // suppress dead code warning 2936 final boolean debug = false; 2937 if (debug) { 2938 Log.d(TAG, "getIconFromCursor app=" 2939 + c.getString(c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE))); 2940 } 2941 byte[] data = c.getBlob(iconIndex); 2942 try { 2943 return Utilities.createIconBitmap( 2944 BitmapFactory.decodeByteArray(data, 0, data.length), context); 2945 } catch (Exception e) { 2946 return null; 2947 } 2948 } 2949 2950 ShortcutInfo addShortcut(Context context, Intent data, long container, int screen, 2951 int cellX, int cellY, boolean notify) { 2952 final ShortcutInfo info = infoFromShortcutIntent(context, data, null); 2953 if (info == null) { 2954 return null; 2955 } 2956 addItemToDatabase(context, info, container, screen, cellX, cellY, notify); 2957 2958 return info; 2959 } 2960 2961 /** 2962 * Attempts to find an AppWidgetProviderInfo that matches the given component. 2963 */ 2964 AppWidgetProviderInfo findAppWidgetProviderInfoWithComponent(Context context, 2965 ComponentName component) { 2966 List<AppWidgetProviderInfo> widgets = 2967 AppWidgetManager.getInstance(context).getInstalledProviders(); 2968 for (AppWidgetProviderInfo info : widgets) { 2969 if (info.provider.equals(component)) { 2970 return info; 2971 } 2972 } 2973 return null; 2974 } 2975 2976 /** 2977 * Returns a list of all the widgets that can handle configuration with a particular mimeType. 2978 */ 2979 List<WidgetMimeTypeHandlerData> resolveWidgetsForMimeType(Context context, String mimeType) { 2980 final PackageManager packageManager = context.getPackageManager(); 2981 final List<WidgetMimeTypeHandlerData> supportedConfigurationActivities = 2982 new ArrayList<WidgetMimeTypeHandlerData>(); 2983 2984 final Intent supportsIntent = 2985 new Intent(InstallWidgetReceiver.ACTION_SUPPORTS_CLIPDATA_MIMETYPE); 2986 supportsIntent.setType(mimeType); 2987 2988 // Create a set of widget configuration components that we can test against 2989 final List<AppWidgetProviderInfo> widgets = 2990 AppWidgetManager.getInstance(context).getInstalledProviders(); 2991 final HashMap<ComponentName, AppWidgetProviderInfo> configurationComponentToWidget = 2992 new HashMap<ComponentName, AppWidgetProviderInfo>(); 2993 for (AppWidgetProviderInfo info : widgets) { 2994 configurationComponentToWidget.put(info.configure, info); 2995 } 2996 2997 // Run through each of the intents that can handle this type of clip data, and cross 2998 // reference them with the components that are actual configuration components 2999 final List<ResolveInfo> activities = packageManager.queryIntentActivities(supportsIntent, 3000 PackageManager.MATCH_DEFAULT_ONLY); 3001 for (ResolveInfo info : activities) { 3002 final ActivityInfo activityInfo = info.activityInfo; 3003 final ComponentName infoComponent = new ComponentName(activityInfo.packageName, 3004 activityInfo.name); 3005 if (configurationComponentToWidget.containsKey(infoComponent)) { 3006 supportedConfigurationActivities.add( 3007 new InstallWidgetReceiver.WidgetMimeTypeHandlerData(info, 3008 configurationComponentToWidget.get(infoComponent))); 3009 } 3010 } 3011 return supportedConfigurationActivities; 3012 } 3013 3014 ShortcutInfo infoFromShortcutIntent(Context context, Intent data, Bitmap fallbackIcon) { 3015 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 3016 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 3017 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 3018 3019 if (intent == null) { 3020 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 3021 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 3022 return null; 3023 } 3024 3025 Bitmap icon = null; 3026 boolean customIcon = false; 3027 ShortcutIconResource iconResource = null; 3028 3029 if (bitmap != null && bitmap instanceof Bitmap) { 3030 icon = Utilities.createIconBitmap(new FastBitmapDrawable((Bitmap)bitmap), context); 3031 customIcon = true; 3032 } else { 3033 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 3034 if (extra != null && extra instanceof ShortcutIconResource) { 3035 try { 3036 iconResource = (ShortcutIconResource) extra; 3037 final PackageManager packageManager = context.getPackageManager(); 3038 Resources resources = packageManager.getResourcesForApplication( 3039 iconResource.packageName); 3040 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 3041 icon = Utilities.createIconBitmap( 3042 mIconCache.getFullResIcon(resources, id), context); 3043 } catch (Exception e) { 3044 Log.w(TAG, "Could not load shortcut icon: " + extra); 3045 } 3046 } 3047 } 3048 3049 final ShortcutInfo info = new ShortcutInfo(); 3050 3051 if (icon == null) { 3052 if (fallbackIcon != null) { 3053 icon = fallbackIcon; 3054 } else { 3055 icon = getFallbackIcon(); 3056 info.usingFallbackIcon = true; 3057 } 3058 } 3059 info.setIcon(icon); 3060 3061 info.title = name; 3062 info.intent = intent; 3063 info.customIcon = customIcon; 3064 info.iconResource = iconResource; 3065 3066 return info; 3067 } 3068 3069 boolean queueIconToBeChecked(HashMap<Object, byte[]> cache, ShortcutInfo info, Cursor c, 3070 int iconIndex) { 3071 // If apps can't be on SD, don't even bother. 3072 if (!mAppsCanBeOnRemoveableStorage) { 3073 return false; 3074 } 3075 // If this icon doesn't have a custom icon, check to see 3076 // what's stored in the DB, and if it doesn't match what 3077 // we're going to show, store what we are going to show back 3078 // into the DB. We do this so when we're loading, if the 3079 // package manager can't find an icon (for example because 3080 // the app is on SD) then we can use that instead. 3081 if (!info.customIcon && !info.usingFallbackIcon) { 3082 cache.put(info, c.getBlob(iconIndex)); 3083 return true; 3084 } 3085 return false; 3086 } 3087 void updateSavedIcon(Context context, ShortcutInfo info, byte[] data) { 3088 boolean needSave = false; 3089 try { 3090 if (data != null) { 3091 Bitmap saved = BitmapFactory.decodeByteArray(data, 0, data.length); 3092 Bitmap loaded = info.getIcon(mIconCache); 3093 needSave = !saved.sameAs(loaded); 3094 } else { 3095 needSave = true; 3096 } 3097 } catch (Exception e) { 3098 needSave = true; 3099 } 3100 if (needSave) { 3101 Log.d(TAG, "going to save icon bitmap for info=" + info); 3102 // This is slower than is ideal, but this only happens once 3103 // or when the app is updated with a new icon. 3104 updateItemInDatabase(context, info); 3105 } 3106 } 3107 3108 /** 3109 * Return an existing FolderInfo object if we have encountered this ID previously, 3110 * or make a new one. 3111 */ 3112 private static FolderInfo findOrMakeFolder(HashMap<Long, FolderInfo> folders, long id) { 3113 // See if a placeholder was created for us already 3114 FolderInfo folderInfo = folders.get(id); 3115 if (folderInfo == null) { 3116 // No placeholder -- create a new instance 3117 folderInfo = new FolderInfo(); 3118 folders.put(id, folderInfo); 3119 } 3120 return folderInfo; 3121 } 3122 3123 public static final Comparator<ApplicationInfo> getAppNameComparator() { 3124 final Collator collator = Collator.getInstance(); 3125 return new Comparator<ApplicationInfo>() { 3126 public final int compare(ApplicationInfo a, ApplicationInfo b) { 3127 int result = collator.compare(a.title.toString(), b.title.toString()); 3128 if (result == 0) { 3129 result = a.componentName.compareTo(b.componentName); 3130 } 3131 return result; 3132 } 3133 }; 3134 } 3135 public static final Comparator<ApplicationInfo> APP_INSTALL_TIME_COMPARATOR 3136 = new Comparator<ApplicationInfo>() { 3137 public final int compare(ApplicationInfo a, ApplicationInfo b) { 3138 if (a.firstInstallTime < b.firstInstallTime) return 1; 3139 if (a.firstInstallTime > b.firstInstallTime) return -1; 3140 return 0; 3141 } 3142 }; 3143 public static final Comparator<AppWidgetProviderInfo> getWidgetNameComparator() { 3144 final Collator collator = Collator.getInstance(); 3145 return new Comparator<AppWidgetProviderInfo>() { 3146 public final int compare(AppWidgetProviderInfo a, AppWidgetProviderInfo b) { 3147 return collator.compare(a.label.toString(), b.label.toString()); 3148 } 3149 }; 3150 } 3151 static ComponentName getComponentNameFromResolveInfo(ResolveInfo info) { 3152 if (info.activityInfo != null) { 3153 return new ComponentName(info.activityInfo.packageName, info.activityInfo.name); 3154 } else { 3155 return new ComponentName(info.serviceInfo.packageName, info.serviceInfo.name); 3156 } 3157 } 3158 public static class ShortcutNameComparator implements Comparator<ResolveInfo> { 3159 private Collator mCollator; 3160 private PackageManager mPackageManager; 3161 private HashMap<Object, CharSequence> mLabelCache; 3162 ShortcutNameComparator(PackageManager pm) { 3163 mPackageManager = pm; 3164 mLabelCache = new HashMap<Object, CharSequence>(); 3165 mCollator = Collator.getInstance(); 3166 } 3167 ShortcutNameComparator(PackageManager pm, HashMap<Object, CharSequence> labelCache) { 3168 mPackageManager = pm; 3169 mLabelCache = labelCache; 3170 mCollator = Collator.getInstance(); 3171 } 3172 public final int compare(ResolveInfo a, ResolveInfo b) { 3173 CharSequence labelA, labelB; 3174 ComponentName keyA = LauncherModel.getComponentNameFromResolveInfo(a); 3175 ComponentName keyB = LauncherModel.getComponentNameFromResolveInfo(b); 3176 if (mLabelCache.containsKey(keyA)) { 3177 labelA = mLabelCache.get(keyA); 3178 } else { 3179 labelA = a.loadLabel(mPackageManager).toString(); 3180 3181 mLabelCache.put(keyA, labelA); 3182 } 3183 if (mLabelCache.containsKey(keyB)) { 3184 labelB = mLabelCache.get(keyB); 3185 } else { 3186 labelB = b.loadLabel(mPackageManager).toString(); 3187 3188 mLabelCache.put(keyB, labelB); 3189 } 3190 return mCollator.compare(labelA, labelB); 3191 } 3192 }; 3193 public static class WidgetAndShortcutNameComparator implements Comparator<Object> { 3194 private Collator mCollator; 3195 private PackageManager mPackageManager; 3196 private HashMap<Object, String> mLabelCache; 3197 WidgetAndShortcutNameComparator(PackageManager pm) { 3198 mPackageManager = pm; 3199 mLabelCache = new HashMap<Object, String>(); 3200 mCollator = Collator.getInstance(); 3201 } 3202 public final int compare(Object a, Object b) { 3203 String labelA, labelB; 3204 if (mLabelCache.containsKey(a)) { 3205 labelA = mLabelCache.get(a); 3206 } else { 3207 labelA = (a instanceof AppWidgetProviderInfo) ? 3208 ((AppWidgetProviderInfo) a).label : 3209 ((ResolveInfo) a).loadLabel(mPackageManager).toString(); 3210 mLabelCache.put(a, labelA); 3211 } 3212 if (mLabelCache.containsKey(b)) { 3213 labelB = mLabelCache.get(b); 3214 } else { 3215 labelB = (b instanceof AppWidgetProviderInfo) ? 3216 ((AppWidgetProviderInfo) b).label : 3217 ((ResolveInfo) b).loadLabel(mPackageManager).toString(); 3218 mLabelCache.put(b, labelB); 3219 } 3220 return mCollator.compare(labelA, labelB); 3221 } 3222 }; 3223 3224 public void dumpState() { 3225 Log.d(TAG, "mCallbacks=" + mCallbacks); 3226 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 3227 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 3228 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 3229 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 3230 if (mLoaderTask != null) { 3231 mLoaderTask.dumpState(); 3232 } else { 3233 Log.d(TAG, "mLoaderTask=null"); 3234 } 3235 } 3236} 3237