LauncherModel.java revision 9e6a0a20d40675ef98c7fdb8892cf34b90152f7a
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 private 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 } 171 172 public interface ItemInfoFilter { 173 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn); 174 } 175 176 LauncherModel(LauncherAppState app, IconCache iconCache) { 177 final Context context = app.getContext(); 178 179 mAppsCanBeOnRemoveableStorage = Environment.isExternalStorageRemovable(); 180 mApp = app; 181 mBgAllAppsList = new AllAppsList(iconCache); 182 mIconCache = iconCache; 183 184 mDefaultIcon = Utilities.createIconBitmap( 185 mIconCache.getFullResDefaultActivityIcon(), context); 186 187 final Resources res = context.getResources(); 188 Configuration config = res.getConfiguration(); 189 mPreviousConfigMcc = config.mcc; 190 } 191 192 /** Runs the specified runnable immediately if called from the main thread, otherwise it is 193 * posted on the main thread handler. */ 194 private void runOnMainThread(Runnable r) { 195 runOnMainThread(r, 0); 196 } 197 private void runOnMainThread(Runnable r, int type) { 198 if (sWorkerThread.getThreadId() == Process.myTid()) { 199 // If we are on the worker thread, post onto the main handler 200 mHandler.post(r); 201 } else { 202 r.run(); 203 } 204 } 205 206 /** Runs the specified runnable immediately if called from the worker thread, otherwise it is 207 * posted on the worker thread handler. */ 208 private static void runOnWorkerThread(Runnable r) { 209 if (sWorkerThread.getThreadId() == Process.myTid()) { 210 r.run(); 211 } else { 212 // If we are not on the worker thread, then post to the worker handler 213 sWorker.post(r); 214 } 215 } 216 217 static boolean findNextAvailableIconSpaceInScreen(ArrayList<ItemInfo> items, int[] xy, 218 long screen) { 219 LauncherAppState app = LauncherAppState.getInstance(); 220 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 221 final int xCount = (int) grid.numColumns; 222 final int yCount = (int) grid.numRows; 223 boolean[][] occupied = new boolean[xCount][yCount]; 224 225 int cellX, cellY, spanX, spanY; 226 for (int i = 0; i < items.size(); ++i) { 227 final ItemInfo item = items.get(i); 228 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 229 if (item.screenId == screen) { 230 cellX = item.cellX; 231 cellY = item.cellY; 232 spanX = item.spanX; 233 spanY = item.spanY; 234 for (int x = cellX; 0 <= x && x < cellX + spanX && x < xCount; x++) { 235 for (int y = cellY; 0 <= y && y < cellY + spanY && y < yCount; y++) { 236 occupied[x][y] = true; 237 } 238 } 239 } 240 } 241 } 242 243 return CellLayout.findVacantCell(xy, 1, 1, xCount, yCount, occupied); 244 } 245 static Pair<Long, int[]> findNextAvailableIconSpace(Context context, String name, 246 Intent launchIntent, 247 int firstScreenIndex, 248 ArrayList<Long> workspaceScreens) { 249 // Lock on the app so that we don't try and get the items while apps are being added 250 LauncherAppState app = LauncherAppState.getInstance(); 251 LauncherModel model = app.getModel(); 252 boolean found = false; 253 synchronized (app) { 254 if (sWorkerThread.getThreadId() != Process.myTid()) { 255 // Flush the LauncherModel worker thread, so that if we just did another 256 // processInstallShortcut, we give it time for its shortcut to get added to the 257 // database (getItemsInLocalCoordinates reads the database) 258 model.flushWorkerThread(); 259 } 260 final ArrayList<ItemInfo> items = LauncherModel.getItemsInLocalCoordinates(context); 261 262 // Try adding to the workspace screens incrementally, starting at the default or center 263 // screen and alternating between +1, -1, +2, -2, etc. (using ~ ceil(i/2f)*(-1)^(i-1)) 264 firstScreenIndex = Math.min(firstScreenIndex, workspaceScreens.size()); 265 int count = workspaceScreens.size(); 266 for (int screen = firstScreenIndex; screen < count && !found; screen++) { 267 int[] tmpCoordinates = new int[2]; 268 if (findNextAvailableIconSpaceInScreen(items, tmpCoordinates, 269 workspaceScreens.get(screen))) { 270 // Update the Launcher db 271 return new Pair<Long, int[]>(workspaceScreens.get(screen), tmpCoordinates); 272 } 273 } 274 } 275 return null; 276 } 277 278 public void addAndBindAddedApps(final Context context, final ArrayList<ItemInfo> added) { 279 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 280 addAndBindAddedApps(context, added, cb); 281 } 282 public void addAndBindAddedApps(final Context context, final ArrayList<ItemInfo> added, 283 final Callbacks callbacks) { 284 Log.w(TAG, "10249126 - addAndBindAddedApps()"); 285 if (added.isEmpty()) { 286 return; 287 } 288 // Process the newly added applications and add them to the database first 289 Runnable r = new Runnable() { 290 public void run() { 291 final ArrayList<ItemInfo> addedShortcutsFinal = new ArrayList<ItemInfo>(); 292 final ArrayList<Long> addedWorkspaceScreensFinal = new ArrayList<Long>(); 293 294 // Get the list of workspace screens. We need to append to this list and 295 // can not use sBgWorkspaceScreens because loadWorkspace() may not have been 296 // called. 297 ArrayList<Long> workspaceScreens = new ArrayList<Long>(); 298 TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(context); 299 for (Integer i : orderedScreens.keySet()) { 300 long screenId = orderedScreens.get(i); 301 workspaceScreens.add(screenId); 302 } 303 304 synchronized(sBgLock) { 305 Iterator<ItemInfo> iter = added.iterator(); 306 while (iter.hasNext()) { 307 ItemInfo a = iter.next(); 308 final String name = a.title.toString(); 309 final Intent launchIntent = a.getIntent(); 310 311 // Short-circuit this logic if the icon exists somewhere on the workspace 312 if (LauncherModel.shortcutExists(context, name, launchIntent)) { 313 continue; 314 } 315 316 // Add this icon to the db, creating a new page if necessary 317 int startSearchPageIndex = 1; 318 Pair<Long, int[]> coords = LauncherModel.findNextAvailableIconSpace(context, 319 name, launchIntent, startSearchPageIndex, workspaceScreens); 320 if (coords == null) { 321 LauncherAppState appState = LauncherAppState.getInstance(); 322 LauncherProvider lp = appState.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 Log.w(TAG, "10249126 - addAndBindAddedApps(" + screenId + ")"); 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 Log.w(TAG, "10249126 - addAndBindAddedApps - updateWorkspaceScreenOrder(" + workspaceScreens.size() + ")"); 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.sDumpLogs.add(transaction); 635 Log.d(TAG, transaction); 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.sDumpLogs.add(transaction); 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.sDumpLogs.add(transaction); 707 Log.d(TAG, transaction); 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 LauncherAppState app = LauncherAppState.getInstance(); 868 item.id = app.getLauncherProvider().generateNewItemId(); 869 values.put(LauncherSettings.Favorites._ID, item.id); 870 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 871 872 Runnable r = new Runnable() { 873 public void run() { 874 String transaction = "DbDebug Add item (" + item.title + ") to db, id: " 875 + item.id + " (" + container + ", " + screenId + ", " + cellX + ", " 876 + cellY + ")"; 877 Launcher.sDumpLogs.add(transaction); 878 Log.d(TAG, transaction); 879 880 cr.insert(notify ? LauncherSettings.Favorites.CONTENT_URI : 881 LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, values); 882 883 // Lock on mBgLock *after* the db operation 884 synchronized (sBgLock) { 885 checkItemInfoLocked(item.id, item, null); 886 sBgItemsIdMap.put(item.id, item); 887 switch (item.itemType) { 888 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 889 sBgFolders.put(item.id, (FolderInfo) item); 890 // Fall through 891 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 892 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 893 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 894 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 895 sBgWorkspaceItems.add(item); 896 } else { 897 if (!sBgFolders.containsKey(item.container)) { 898 // Adding an item to a folder that doesn't exist. 899 String msg = "adding item: " + item + " to a folder that " + 900 " doesn't exist"; 901 Log.e(TAG, msg); 902 Launcher.dumpDebugLogsToConsole(); 903 } 904 } 905 break; 906 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 907 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 908 break; 909 } 910 } 911 } 912 }; 913 runOnWorkerThread(r); 914 } 915 916 /** 917 * Creates a new unique child id, for a given cell span across all layouts. 918 */ 919 static int getCellLayoutChildId( 920 long container, long screen, int localCellX, int localCellY, int spanX, int spanY) { 921 return (((int) container & 0xFF) << 24) 922 | ((int) screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 923 } 924 925 /** 926 * Removes the specified item from the database 927 * @param context 928 * @param item 929 */ 930 static void deleteItemFromDatabase(Context context, final ItemInfo item) { 931 final ContentResolver cr = context.getContentResolver(); 932 final Uri uriToDelete = LauncherSettings.Favorites.getContentUri(item.id, false); 933 934 Runnable r = new Runnable() { 935 public void run() { 936 String transaction = "DbDebug Delete item (" + item.title + ") from db, id: " 937 + item.id + " (" + item.container + ", " + item.screenId + ", " + item.cellX + 938 ", " + item.cellY + ")"; 939 Launcher.sDumpLogs.add(transaction); 940 Log.d(TAG, transaction); 941 942 cr.delete(uriToDelete, null, null); 943 944 // Lock on mBgLock *after* the db operation 945 synchronized (sBgLock) { 946 switch (item.itemType) { 947 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 948 sBgFolders.remove(item.id); 949 for (ItemInfo info: sBgItemsIdMap.values()) { 950 if (info.container == item.id) { 951 // We are deleting a folder which still contains items that 952 // think they are contained by that folder. 953 String msg = "deleting a folder (" + item + ") which still " + 954 "contains items (" + info + ")"; 955 Log.e(TAG, msg); 956 Launcher.dumpDebugLogsToConsole(); 957 } 958 } 959 sBgWorkspaceItems.remove(item); 960 break; 961 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 962 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 963 sBgWorkspaceItems.remove(item); 964 break; 965 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 966 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 967 break; 968 } 969 sBgItemsIdMap.remove(item.id); 970 sBgDbIconCache.remove(item); 971 } 972 } 973 }; 974 runOnWorkerThread(r); 975 } 976 977 /** 978 * Update the order of the workspace screens in the database. The array list contains 979 * a list of screen ids in the order that they should appear. 980 */ 981 void updateWorkspaceScreenOrder(Context context, final ArrayList<Long> screens) { 982 Log.w(TAG, "10249126 - updateWorkspaceScreenOrder()"); 983 final ArrayList<Long> screensCopy = new ArrayList<Long>(screens); 984 final ContentResolver cr = context.getContentResolver(); 985 final Uri uri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 986 987 // Remove any negative screen ids -- these aren't persisted 988 Iterator<Long> iter = screensCopy.iterator(); 989 while (iter.hasNext()) { 990 long id = iter.next(); 991 if (id < 0) { 992 Log.w(TAG, "10249126 - updateWorkspaceScreenOrder - remove: " + id + ")"); 993 iter.remove(); 994 } 995 } 996 997 // Dump the screens copy 998 Log.w(TAG, "10249126 - updateWorkspaceScreenOrder - screensCopy"); 999 for (Long l : screensCopy) { 1000 Log.w(TAG, "10249126\t- " + l); 1001 } 1002 1003 Runnable r = new Runnable() { 1004 @Override 1005 public void run() { 1006 // Clear the table 1007 cr.delete(uri, null, null); 1008 int count = screensCopy.size(); 1009 ContentValues[] values = new ContentValues[count]; 1010 for (int i = 0; i < count; i++) { 1011 ContentValues v = new ContentValues(); 1012 long screenId = screensCopy.get(i); 1013 v.put(LauncherSettings.WorkspaceScreens._ID, screenId); 1014 v.put(LauncherSettings.WorkspaceScreens.SCREEN_RANK, i); 1015 Log.w(TAG, "10249126 - updateWorkspaceScreenOrder - add: " + 1016 screenId + ", " + i + ")"); 1017 values[i] = v; 1018 } 1019 cr.bulkInsert(uri, values); 1020 1021 // Dump the sBgWorkspaceScreens 1022 Log.w(TAG, "10249126 - updateWorkspaceScreenOrder - sBgWorkspaceScreens"); 1023 for (Long l : sBgWorkspaceScreens) { 1024 Log.w(TAG, "10249126\t- " + l); 1025 } 1026 1027 sBgWorkspaceScreens.clear(); 1028 sBgWorkspaceScreens.addAll(screensCopy); 1029 } 1030 }; 1031 runOnWorkerThread(r); 1032 } 1033 1034 /** 1035 * Remove the contents of the specified folder from the database 1036 */ 1037 static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { 1038 final ContentResolver cr = context.getContentResolver(); 1039 1040 Runnable r = new Runnable() { 1041 public void run() { 1042 cr.delete(LauncherSettings.Favorites.getContentUri(info.id, false), null, null); 1043 // Lock on mBgLock *after* the db operation 1044 synchronized (sBgLock) { 1045 sBgItemsIdMap.remove(info.id); 1046 sBgFolders.remove(info.id); 1047 sBgDbIconCache.remove(info); 1048 sBgWorkspaceItems.remove(info); 1049 } 1050 1051 cr.delete(LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, 1052 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 1053 // Lock on mBgLock *after* the db operation 1054 synchronized (sBgLock) { 1055 for (ItemInfo childInfo : info.contents) { 1056 sBgItemsIdMap.remove(childInfo.id); 1057 sBgDbIconCache.remove(childInfo); 1058 } 1059 } 1060 } 1061 }; 1062 runOnWorkerThread(r); 1063 } 1064 1065 /** 1066 * Set this as the current Launcher activity object for the loader. 1067 */ 1068 public void initialize(Callbacks callbacks) { 1069 synchronized (mLock) { 1070 mCallbacks = new WeakReference<Callbacks>(callbacks); 1071 } 1072 } 1073 1074 /** 1075 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 1076 * ACTION_PACKAGE_CHANGED. 1077 */ 1078 @Override 1079 public void onReceive(Context context, Intent intent) { 1080 if (DEBUG_LOADERS) Log.d(TAG, "onReceive intent=" + intent); 1081 1082 final String action = intent.getAction(); 1083 1084 if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 1085 || Intent.ACTION_PACKAGE_REMOVED.equals(action) 1086 || Intent.ACTION_PACKAGE_ADDED.equals(action)) { 1087 final String packageName = intent.getData().getSchemeSpecificPart(); 1088 final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 1089 1090 int op = PackageUpdatedTask.OP_NONE; 1091 1092 if (packageName == null || packageName.length() == 0) { 1093 // they sent us a bad intent 1094 return; 1095 } 1096 1097 if (Intent.ACTION_PACKAGE_CHANGED.equals(action)) { 1098 op = PackageUpdatedTask.OP_UPDATE; 1099 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { 1100 if (!replacing) { 1101 op = PackageUpdatedTask.OP_REMOVE; 1102 } 1103 // else, we are replacing the package, so a PACKAGE_ADDED will be sent 1104 // later, we will update the package at this time 1105 } else if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { 1106 if (!replacing) { 1107 op = PackageUpdatedTask.OP_ADD; 1108 } else { 1109 op = PackageUpdatedTask.OP_UPDATE; 1110 } 1111 } 1112 1113 if (op != PackageUpdatedTask.OP_NONE) { 1114 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName })); 1115 } 1116 1117 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(action)) { 1118 // First, schedule to add these apps back in. 1119 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 1120 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packages)); 1121 // Then, rebind everything. 1122 startLoaderFromBackground(); 1123 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 1124 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 1125 enqueuePackageUpdated(new PackageUpdatedTask( 1126 PackageUpdatedTask.OP_UNAVAILABLE, packages)); 1127 } else if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 1128 // If we have changed locale we need to clear out the labels in all apps/workspace. 1129 forceReload(); 1130 } else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) { 1131 // Check if configuration change was an mcc/mnc change which would affect app resources 1132 // and we would need to clear out the labels in all apps/workspace. Same handling as 1133 // above for ACTION_LOCALE_CHANGED 1134 Configuration currentConfig = context.getResources().getConfiguration(); 1135 if (mPreviousConfigMcc != currentConfig.mcc) { 1136 Log.d(TAG, "Reload apps on config change. curr_mcc:" 1137 + currentConfig.mcc + " prevmcc:" + mPreviousConfigMcc); 1138 forceReload(); 1139 } 1140 // Update previousConfig 1141 mPreviousConfigMcc = currentConfig.mcc; 1142 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action) || 1143 SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED.equals(action)) { 1144 if (mCallbacks != null) { 1145 Callbacks callbacks = mCallbacks.get(); 1146 if (callbacks != null) { 1147 callbacks.bindSearchablesChanged(); 1148 } 1149 } 1150 } 1151 } 1152 1153 private void forceReload() { 1154 resetLoadedState(true, true); 1155 1156 // Do this here because if the launcher activity is running it will be restarted. 1157 // If it's not running startLoaderFromBackground will merely tell it that it needs 1158 // to reload. 1159 startLoaderFromBackground(); 1160 } 1161 1162 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 1163 synchronized (mLock) { 1164 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 1165 // mWorkspaceLoaded to true later 1166 stopLoaderLocked(); 1167 if (resetAllAppsLoaded) mAllAppsLoaded = false; 1168 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 1169 } 1170 } 1171 1172 /** 1173 * When the launcher is in the background, it's possible for it to miss paired 1174 * configuration changes. So whenever we trigger the loader from the background 1175 * tell the launcher that it needs to re-run the loader when it comes back instead 1176 * of doing it now. 1177 */ 1178 public void startLoaderFromBackground() { 1179 boolean runLoader = false; 1180 if (mCallbacks != null) { 1181 Callbacks callbacks = mCallbacks.get(); 1182 if (callbacks != null) { 1183 // Only actually run the loader if they're not paused. 1184 if (!callbacks.setLoadOnResume()) { 1185 runLoader = true; 1186 } 1187 } 1188 } 1189 if (runLoader) { 1190 startLoader(false, -1); 1191 } 1192 } 1193 1194 // If there is already a loader task running, tell it to stop. 1195 // returns true if isLaunching() was true on the old task 1196 private boolean stopLoaderLocked() { 1197 boolean isLaunching = false; 1198 LoaderTask oldTask = mLoaderTask; 1199 if (oldTask != null) { 1200 if (oldTask.isLaunching()) { 1201 isLaunching = true; 1202 } 1203 oldTask.stopLocked(); 1204 } 1205 return isLaunching; 1206 } 1207 1208 public void startLoader(boolean isLaunching, int synchronousBindPage) { 1209 synchronized (mLock) { 1210 if (DEBUG_LOADERS) { 1211 Log.d(TAG, "startLoader isLaunching=" + isLaunching); 1212 } 1213 1214 // Clear any deferred bind-runnables from the synchronized load process 1215 // We must do this before any loading/binding is scheduled below. 1216 mDeferredBindRunnables.clear(); 1217 1218 // Don't bother to start the thread if we know it's not going to do anything 1219 if (mCallbacks != null && mCallbacks.get() != null) { 1220 // If there is already one running, tell it to stop. 1221 // also, don't downgrade isLaunching if we're already running 1222 isLaunching = isLaunching || stopLoaderLocked(); 1223 mLoaderTask = new LoaderTask(mApp.getContext(), isLaunching); 1224 if (synchronousBindPage > -1 && mAllAppsLoaded && mWorkspaceLoaded) { 1225 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 1226 } else { 1227 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 1228 sWorker.post(mLoaderTask); 1229 } 1230 } 1231 } 1232 } 1233 1234 void bindRemainingSynchronousPages() { 1235 // Post the remaining side pages to be loaded 1236 if (!mDeferredBindRunnables.isEmpty()) { 1237 for (final Runnable r : mDeferredBindRunnables) { 1238 mHandler.post(r, MAIN_THREAD_BINDING_RUNNABLE); 1239 } 1240 mDeferredBindRunnables.clear(); 1241 } 1242 } 1243 1244 public void stopLoader() { 1245 synchronized (mLock) { 1246 if (mLoaderTask != null) { 1247 mLoaderTask.stopLocked(); 1248 } 1249 } 1250 } 1251 1252 /** Loads the workspace screens db into a map of Rank -> ScreenId */ 1253 private static TreeMap<Integer, Long> loadWorkspaceScreensDb(Context context) { 1254 final ContentResolver contentResolver = context.getContentResolver(); 1255 final Uri screensUri = LauncherSettings.WorkspaceScreens.CONTENT_URI; 1256 final Cursor sc = contentResolver.query(screensUri, null, null, null, null); 1257 TreeMap<Integer, Long> orderedScreens = new TreeMap<Integer, Long>(); 1258 1259 try { 1260 final int idIndex = sc.getColumnIndexOrThrow( 1261 LauncherSettings.WorkspaceScreens._ID); 1262 final int rankIndex = sc.getColumnIndexOrThrow( 1263 LauncherSettings.WorkspaceScreens.SCREEN_RANK); 1264 while (sc.moveToNext()) { 1265 try { 1266 long screenId = sc.getLong(idIndex); 1267 int rank = sc.getInt(rankIndex); 1268 1269 Log.w(TAG, "10249126 - loadWorkspaceScreensDb(" + screenId + ", " + rank + ")"); 1270 1271 orderedScreens.put(rank, screenId); 1272 } catch (Exception e) { 1273 Log.w(TAG, "Desktop items loading interrupted - invalid screens: ", e); 1274 } 1275 } 1276 } finally { 1277 sc.close(); 1278 } 1279 return orderedScreens; 1280 } 1281 1282 public boolean isAllAppsLoaded() { 1283 return mAllAppsLoaded; 1284 } 1285 1286 boolean isLoadingWorkspace() { 1287 synchronized (mLock) { 1288 if (mLoaderTask != null) { 1289 return mLoaderTask.isLoadingWorkspace(); 1290 } 1291 } 1292 return false; 1293 } 1294 1295 /** 1296 * Runnable for the thread that loads the contents of the launcher: 1297 * - workspace icons 1298 * - widgets 1299 * - all apps icons 1300 */ 1301 private class LoaderTask implements Runnable { 1302 private Context mContext; 1303 private boolean mIsLaunching; 1304 private boolean mIsLoadingAndBindingWorkspace; 1305 private boolean mStopped; 1306 private boolean mLoadAndBindStepFinished; 1307 1308 private HashMap<Object, CharSequence> mLabelCache; 1309 1310 LoaderTask(Context context, boolean isLaunching) { 1311 mContext = context; 1312 mIsLaunching = isLaunching; 1313 mLabelCache = new HashMap<Object, CharSequence>(); 1314 } 1315 1316 boolean isLaunching() { 1317 return mIsLaunching; 1318 } 1319 1320 boolean isLoadingWorkspace() { 1321 return mIsLoadingAndBindingWorkspace; 1322 } 1323 1324 /** Returns whether this is an upgrade path */ 1325 private boolean loadAndBindWorkspace() { 1326 mIsLoadingAndBindingWorkspace = true; 1327 1328 // Load the workspace 1329 if (DEBUG_LOADERS) { 1330 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 1331 } 1332 1333 boolean isUpgradePath = false; 1334 if (!mWorkspaceLoaded) { 1335 isUpgradePath = loadWorkspace(); 1336 synchronized (LoaderTask.this) { 1337 if (mStopped) { 1338 return isUpgradePath; 1339 } 1340 mWorkspaceLoaded = true; 1341 } 1342 } 1343 1344 // Bind the workspace 1345 bindWorkspace(-1, isUpgradePath); 1346 return isUpgradePath; 1347 } 1348 1349 private void waitForIdle() { 1350 // Wait until the either we're stopped or the other threads are done. 1351 // This way we don't start loading all apps until the workspace has settled 1352 // down. 1353 synchronized (LoaderTask.this) { 1354 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1355 1356 mHandler.postIdle(new Runnable() { 1357 public void run() { 1358 synchronized (LoaderTask.this) { 1359 mLoadAndBindStepFinished = true; 1360 if (DEBUG_LOADERS) { 1361 Log.d(TAG, "done with previous binding step"); 1362 } 1363 LoaderTask.this.notify(); 1364 } 1365 } 1366 }); 1367 1368 while (!mStopped && !mLoadAndBindStepFinished && !mFlushingWorkerThread) { 1369 try { 1370 // Just in case mFlushingWorkerThread changes but we aren't woken up, 1371 // wait no longer than 1sec at a time 1372 this.wait(1000); 1373 } catch (InterruptedException ex) { 1374 // Ignore 1375 } 1376 } 1377 if (DEBUG_LOADERS) { 1378 Log.d(TAG, "waited " 1379 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1380 + "ms for previous step to finish binding"); 1381 } 1382 } 1383 } 1384 1385 void runBindSynchronousPage(int synchronousBindPage) { 1386 if (synchronousBindPage < 0) { 1387 // Ensure that we have a valid page index to load synchronously 1388 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1389 "valid page index"); 1390 } 1391 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1392 // Ensure that we don't try and bind a specified page when the pages have not been 1393 // loaded already (we should load everything asynchronously in that case) 1394 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1395 } 1396 synchronized (mLock) { 1397 if (mIsLoaderTaskRunning) { 1398 // Ensure that we are never running the background loading at this point since 1399 // we also touch the background collections 1400 throw new RuntimeException("Error! Background loading is already running"); 1401 } 1402 } 1403 1404 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1405 // data structures, we can't allow any other thread to touch that data, but because 1406 // this call is synchronous, we can get away with not locking). 1407 1408 // The LauncherModel is static in the LauncherAppState and mHandler may have queued 1409 // operations from the previous activity. We need to ensure that all queued operations 1410 // are executed before any synchronous binding work is done. 1411 mHandler.flush(); 1412 1413 // Divide the set of loaded items into those that we are binding synchronously, and 1414 // everything else that is to be bound normally (asynchronously). 1415 bindWorkspace(synchronousBindPage, false); 1416 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1417 // arise from that. 1418 onlyBindAllApps(); 1419 } 1420 1421 public void run() { 1422 boolean isUpgrade = false; 1423 1424 synchronized (mLock) { 1425 mIsLoaderTaskRunning = true; 1426 } 1427 // Optimize for end-user experience: if the Launcher is up and // running with the 1428 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1429 // workspace first (default). 1430 final Callbacks cbk = mCallbacks.get(); 1431 keep_running: { 1432 // Elevate priority when Home launches for the first time to avoid 1433 // starving at boot time. Staring at a blank home is not cool. 1434 synchronized (mLock) { 1435 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to " + 1436 (mIsLaunching ? "DEFAULT" : "BACKGROUND")); 1437 android.os.Process.setThreadPriority(mIsLaunching 1438 ? Process.THREAD_PRIORITY_DEFAULT : Process.THREAD_PRIORITY_BACKGROUND); 1439 } 1440 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1441 isUpgrade = loadAndBindWorkspace(); 1442 1443 if (mStopped) { 1444 break keep_running; 1445 } 1446 1447 // Whew! Hard work done. Slow us down, and wait until the UI thread has 1448 // settled down. 1449 synchronized (mLock) { 1450 if (mIsLaunching) { 1451 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to BACKGROUND"); 1452 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1453 } 1454 } 1455 waitForIdle(); 1456 1457 // second step 1458 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1459 loadAndBindAllApps(); 1460 1461 // Restore the default thread priority after we are done loading items 1462 synchronized (mLock) { 1463 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1464 } 1465 } 1466 1467 // Update the saved icons if necessary 1468 if (DEBUG_LOADERS) Log.d(TAG, "Comparing loaded icons to database icons"); 1469 synchronized (sBgLock) { 1470 for (Object key : sBgDbIconCache.keySet()) { 1471 updateSavedIcon(mContext, (ShortcutInfo) key, sBgDbIconCache.get(key)); 1472 } 1473 sBgDbIconCache.clear(); 1474 } 1475 1476 // Ensure that all the applications that are in the system are represented on the home 1477 // screen. 1478 Log.w(TAG, "10249126 - verifyApplications - useMoreApps=" 1479 + UPGRADE_USE_MORE_APPS_FOLDER + " isUpgrade=" + isUpgrade); 1480 if (!UPGRADE_USE_MORE_APPS_FOLDER || !isUpgrade) { 1481 verifyApplications(); 1482 } 1483 1484 // Clear out this reference, otherwise we end up holding it until all of the 1485 // callback runnables are done. 1486 mContext = null; 1487 1488 synchronized (mLock) { 1489 // If we are still the last one to be scheduled, remove ourselves. 1490 if (mLoaderTask == this) { 1491 mLoaderTask = null; 1492 } 1493 mIsLoaderTaskRunning = false; 1494 } 1495 } 1496 1497 public void stopLocked() { 1498 synchronized (LoaderTask.this) { 1499 mStopped = true; 1500 this.notify(); 1501 } 1502 } 1503 1504 /** 1505 * Gets the callbacks object. If we've been stopped, or if the launcher object 1506 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1507 * object that was around when the deferred message was scheduled, and if there's 1508 * a new Callbacks object around then also return null. This will save us from 1509 * calling onto it with data that will be ignored. 1510 */ 1511 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1512 synchronized (mLock) { 1513 if (mStopped) { 1514 return null; 1515 } 1516 1517 if (mCallbacks == null) { 1518 return null; 1519 } 1520 1521 final Callbacks callbacks = mCallbacks.get(); 1522 if (callbacks != oldCallbacks) { 1523 return null; 1524 } 1525 if (callbacks == null) { 1526 Log.w(TAG, "no mCallbacks"); 1527 return null; 1528 } 1529 1530 return callbacks; 1531 } 1532 } 1533 1534 private void verifyApplications() { 1535 final Context context = mApp.getContext(); 1536 1537 // Cross reference all the applications in our apps list with items in the workspace 1538 ArrayList<ItemInfo> tmpInfos; 1539 ArrayList<ItemInfo> added = new ArrayList<ItemInfo>(); 1540 synchronized (sBgLock) { 1541 for (ApplicationInfo app : mBgAllAppsList.data) { 1542 tmpInfos = getItemInfoForComponentName(app.componentName); 1543 Log.w(TAG, "10249126 - \t" + app.componentName.getPackageName() + ", " + tmpInfos.isEmpty()); 1544 if (tmpInfos.isEmpty()) { 1545 // We are missing an application icon, so add this to the workspace 1546 added.add(app); 1547 // This is a rare event, so lets log it 1548 Log.e(TAG, "Missing Application on load: " + app); 1549 } 1550 } 1551 } 1552 if (!added.isEmpty()) { 1553 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 1554 addAndBindAddedApps(context, added, cb); 1555 } 1556 } 1557 1558 private boolean checkItemDimensions(ItemInfo info) { 1559 LauncherAppState app = LauncherAppState.getInstance(); 1560 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1561 return (info.cellX + info.spanX) > (int) grid.numColumns || 1562 (info.cellY + info.spanY) > (int) grid.numRows; 1563 } 1564 1565 // check & update map of what's occupied; used to discard overlapping/invalid items 1566 private boolean checkItemPlacement(HashMap<Long, ItemInfo[][]> occupied, ItemInfo item) { 1567 LauncherAppState app = LauncherAppState.getInstance(); 1568 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1569 int countX = (int) grid.numColumns; 1570 int countY = (int) grid.numRows; 1571 1572 long containerIndex = item.screenId; 1573 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1574 if (occupied.containsKey(LauncherSettings.Favorites.CONTAINER_HOTSEAT)) { 1575 if (occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1576 [(int) item.screenId][0] != null) { 1577 Log.e(TAG, "Error loading shortcut into hotseat " + item 1578 + " into position (" + item.screenId + ":" + item.cellX + "," 1579 + item.cellY + ") occupied by " 1580 + occupied.get(LauncherSettings.Favorites.CONTAINER_HOTSEAT) 1581 [(int) item.screenId][0]); 1582 return false; 1583 } 1584 } else { 1585 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1586 items[(int) item.screenId][0] = item; 1587 occupied.put((long) LauncherSettings.Favorites.CONTAINER_HOTSEAT, items); 1588 return true; 1589 } 1590 } else if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1591 // Skip further checking if it is not the hotseat or workspace container 1592 return true; 1593 } 1594 1595 if (!occupied.containsKey(item.screenId)) { 1596 ItemInfo[][] items = new ItemInfo[countX + 1][countY + 1]; 1597 occupied.put(item.screenId, items); 1598 } 1599 1600 ItemInfo[][] screens = occupied.get(item.screenId); 1601 // Check if any workspace icons overlap with each other 1602 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1603 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1604 if (screens[x][y] != null) { 1605 Log.e(TAG, "Error loading shortcut " + item 1606 + " into cell (" + containerIndex + "-" + item.screenId + ":" 1607 + x + "," + y 1608 + ") occupied by " 1609 + screens[x][y]); 1610 return false; 1611 } 1612 } 1613 } 1614 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1615 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1616 screens[x][y] = item; 1617 } 1618 } 1619 1620 return true; 1621 } 1622 1623 /** Returns whether this is an upgradge path */ 1624 private boolean loadWorkspace() { 1625 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1626 1627 final Context context = mContext; 1628 final ContentResolver contentResolver = context.getContentResolver(); 1629 final PackageManager manager = context.getPackageManager(); 1630 final AppWidgetManager widgets = AppWidgetManager.getInstance(context); 1631 final boolean isSafeMode = manager.isSafeMode(); 1632 1633 LauncherAppState app = LauncherAppState.getInstance(); 1634 DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 1635 int countX = (int) grid.numColumns; 1636 int countY = (int) grid.numRows; 1637 1638 // Make sure the default workspace is loaded, if needed 1639 mApp.getLauncherProvider().loadDefaultFavoritesIfNecessary(0); 1640 1641 // Check if we need to do any upgrade-path logic 1642 boolean loadedOldDb = mApp.getLauncherProvider().justLoadedOldDb(); 1643 1644 synchronized (sBgLock) { 1645 sBgWorkspaceItems.clear(); 1646 sBgAppWidgets.clear(); 1647 sBgFolders.clear(); 1648 sBgItemsIdMap.clear(); 1649 sBgDbIconCache.clear(); 1650 sBgWorkspaceScreens.clear(); 1651 Log.w(TAG, "10249126 - loadWorkspace()"); 1652 1653 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 1654 final Uri contentUri = LauncherSettings.Favorites.CONTENT_URI; 1655 final Cursor c = contentResolver.query(contentUri, null, null, null, null); 1656 1657 // +1 for the hotseat (it can be larger than the workspace) 1658 // Load workspace in reverse order to ensure that latest items are loaded first (and 1659 // before any earlier duplicates) 1660 final HashMap<Long, ItemInfo[][]> occupied = new HashMap<Long, ItemInfo[][]>(); 1661 1662 try { 1663 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1664 final int intentIndex = c.getColumnIndexOrThrow 1665 (LauncherSettings.Favorites.INTENT); 1666 final int titleIndex = c.getColumnIndexOrThrow 1667 (LauncherSettings.Favorites.TITLE); 1668 final int iconTypeIndex = c.getColumnIndexOrThrow( 1669 LauncherSettings.Favorites.ICON_TYPE); 1670 final int iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON); 1671 final int iconPackageIndex = c.getColumnIndexOrThrow( 1672 LauncherSettings.Favorites.ICON_PACKAGE); 1673 final int iconResourceIndex = c.getColumnIndexOrThrow( 1674 LauncherSettings.Favorites.ICON_RESOURCE); 1675 final int containerIndex = c.getColumnIndexOrThrow( 1676 LauncherSettings.Favorites.CONTAINER); 1677 final int itemTypeIndex = c.getColumnIndexOrThrow( 1678 LauncherSettings.Favorites.ITEM_TYPE); 1679 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1680 LauncherSettings.Favorites.APPWIDGET_ID); 1681 final int screenIndex = c.getColumnIndexOrThrow( 1682 LauncherSettings.Favorites.SCREEN); 1683 final int cellXIndex = c.getColumnIndexOrThrow 1684 (LauncherSettings.Favorites.CELLX); 1685 final int cellYIndex = c.getColumnIndexOrThrow 1686 (LauncherSettings.Favorites.CELLY); 1687 final int spanXIndex = c.getColumnIndexOrThrow 1688 (LauncherSettings.Favorites.SPANX); 1689 final int spanYIndex = c.getColumnIndexOrThrow( 1690 LauncherSettings.Favorites.SPANY); 1691 //final int uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI); 1692 //final int displayModeIndex = c.getColumnIndexOrThrow( 1693 // LauncherSettings.Favorites.DISPLAY_MODE); 1694 1695 ShortcutInfo info; 1696 String intentDescription; 1697 LauncherAppWidgetInfo appWidgetInfo; 1698 int container; 1699 long id; 1700 Intent intent; 1701 1702 while (!mStopped && c.moveToNext()) { 1703 try { 1704 int itemType = c.getInt(itemTypeIndex); 1705 1706 switch (itemType) { 1707 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1708 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1709 id = c.getLong(idIndex); 1710 intentDescription = c.getString(intentIndex); 1711 try { 1712 intent = Intent.parseUri(intentDescription, 0); 1713 ComponentName cn = intent.getComponent(); 1714 if (!isValidPackageComponent(manager, cn)) { 1715 if (!mAppsCanBeOnRemoveableStorage) { 1716 // Log the invalid package, and remove it from the db 1717 Uri uri = LauncherSettings.Favorites.getContentUri(id, 1718 false); 1719 contentResolver.delete(uri, null, null); 1720 Log.e(TAG, "Invalid package removed: " + cn); 1721 } else { 1722 // If apps can be on external storage, then we just 1723 // leave them for the user to remove (maybe add 1724 // visual treatment to it) 1725 Log.e(TAG, "Invalid package found: " + cn); 1726 } 1727 continue; 1728 } 1729 } catch (URISyntaxException e) { 1730 continue; 1731 } 1732 1733 if (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 1734 info = getShortcutInfo(manager, intent, context, c, iconIndex, 1735 titleIndex, mLabelCache); 1736 } else { 1737 info = getShortcutInfo(c, context, iconTypeIndex, 1738 iconPackageIndex, iconResourceIndex, iconIndex, 1739 titleIndex); 1740 1741 // App shortcuts that used to be automatically added to Launcher 1742 // didn't always have the correct intent flags set, so do that 1743 // here 1744 if (intent.getAction() != null && 1745 intent.getCategories() != null && 1746 intent.getAction().equals(Intent.ACTION_MAIN) && 1747 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 1748 intent.addFlags( 1749 Intent.FLAG_ACTIVITY_NEW_TASK | 1750 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1751 } 1752 } 1753 1754 if (info != null) { 1755 info.id = id; 1756 info.intent = intent; 1757 container = c.getInt(containerIndex); 1758 info.container = container; 1759 info.screenId = c.getInt(screenIndex); 1760 info.cellX = c.getInt(cellXIndex); 1761 info.cellY = c.getInt(cellYIndex); 1762 info.spanX = 1; 1763 info.spanY = 1; 1764 // Skip loading items that are out of bounds 1765 if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1766 if (checkItemDimensions(info)) { 1767 Log.d(TAG, "Skipped loading out of bounds shortcut: " 1768 + info.intent); 1769 continue; 1770 } 1771 } 1772 // check & update map of what's occupied 1773 if (!checkItemPlacement(occupied, info)) { 1774 break; 1775 } 1776 1777 switch (container) { 1778 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1779 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1780 sBgWorkspaceItems.add(info); 1781 break; 1782 default: 1783 // Item is in a user folder 1784 FolderInfo folderInfo = 1785 findOrMakeFolder(sBgFolders, container); 1786 folderInfo.add(info); 1787 break; 1788 } 1789 sBgItemsIdMap.put(info.id, info); 1790 1791 // now that we've loaded everthing re-save it with the 1792 // icon in case it disappears somehow. 1793 queueIconToBeChecked(sBgDbIconCache, info, c, iconIndex); 1794 } else { 1795 throw new RuntimeException("Unexpected null ShortcutInfo"); 1796 } 1797 break; 1798 1799 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1800 id = c.getLong(idIndex); 1801 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 1802 1803 folderInfo.title = c.getString(titleIndex); 1804 folderInfo.id = id; 1805 container = c.getInt(containerIndex); 1806 folderInfo.container = container; 1807 folderInfo.screenId = c.getInt(screenIndex); 1808 folderInfo.cellX = c.getInt(cellXIndex); 1809 folderInfo.cellY = c.getInt(cellYIndex); 1810 folderInfo.spanX = 1; 1811 folderInfo.spanY = 1; 1812 1813 // Skip loading items that are out of bounds 1814 if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1815 int iconSpan = 1; 1816 if (checkItemDimensions(folderInfo)) { 1817 Log.d(TAG, "Skipped loading out of bounds folder"); 1818 continue; 1819 } 1820 } 1821 // check & update map of what's occupied 1822 if (!checkItemPlacement(occupied, folderInfo)) { 1823 break; 1824 } 1825 1826 switch (container) { 1827 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1828 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1829 sBgWorkspaceItems.add(folderInfo); 1830 break; 1831 } 1832 1833 sBgItemsIdMap.put(folderInfo.id, folderInfo); 1834 sBgFolders.put(folderInfo.id, folderInfo); 1835 break; 1836 1837 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1838 // Read all Launcher-specific widget details 1839 int appWidgetId = c.getInt(appWidgetIdIndex); 1840 id = c.getLong(idIndex); 1841 1842 final AppWidgetProviderInfo provider = 1843 widgets.getAppWidgetInfo(appWidgetId); 1844 1845 if (!isSafeMode && (provider == null || provider.provider == null || 1846 provider.provider.getPackageName() == null)) { 1847 String log = "Deleting widget that isn't installed anymore: id=" 1848 + id + " appWidgetId=" + appWidgetId; 1849 Log.e(TAG, log); 1850 Launcher.sDumpLogs.add(log); 1851 itemsToRemove.add(id); 1852 } else { 1853 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 1854 provider.provider); 1855 appWidgetInfo.id = id; 1856 appWidgetInfo.screenId = c.getInt(screenIndex); 1857 appWidgetInfo.cellX = c.getInt(cellXIndex); 1858 appWidgetInfo.cellY = c.getInt(cellYIndex); 1859 appWidgetInfo.spanX = c.getInt(spanXIndex); 1860 appWidgetInfo.spanY = c.getInt(spanYIndex); 1861 int[] minSpan = Launcher.getMinSpanForWidget(context, provider); 1862 appWidgetInfo.minSpanX = minSpan[0]; 1863 appWidgetInfo.minSpanY = minSpan[1]; 1864 1865 container = c.getInt(containerIndex); 1866 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 1867 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1868 Log.e(TAG, "Widget found where container != " + 1869 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 1870 continue; 1871 } 1872 1873 appWidgetInfo.container = c.getInt(containerIndex); 1874 // Skip loading items that are out of bounds 1875 if (container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1876 if (checkItemDimensions(appWidgetInfo)) { 1877 Log.d(TAG, "Skipped loading out of bounds app widget"); 1878 continue; 1879 } 1880 } 1881 // check & update map of what's occupied 1882 if (!checkItemPlacement(occupied, appWidgetInfo)) { 1883 break; 1884 } 1885 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 1886 sBgAppWidgets.add(appWidgetInfo); 1887 } 1888 break; 1889 } 1890 } catch (Exception e) { 1891 Log.w(TAG, "Desktop items loading interrupted:", e); 1892 } 1893 } 1894 } finally { 1895 if (c != null) { 1896 c.close(); 1897 } 1898 } 1899 1900 if (itemsToRemove.size() > 0) { 1901 ContentProviderClient client = contentResolver.acquireContentProviderClient( 1902 LauncherSettings.Favorites.CONTENT_URI); 1903 // Remove dead items 1904 for (long id : itemsToRemove) { 1905 if (DEBUG_LOADERS) { 1906 Log.d(TAG, "Removed id = " + id); 1907 } 1908 // Don't notify content observers 1909 try { 1910 client.delete(LauncherSettings.Favorites.getContentUri(id, false), 1911 null, null); 1912 } catch (RemoteException e) { 1913 Log.w(TAG, "Could not remove id = " + id); 1914 } 1915 } 1916 } 1917 1918 if (loadedOldDb) { 1919 Log.w(TAG, "10249126 - loadWorkspace - loadedOldDb"); 1920 long maxScreenId = 0; 1921 // If we're importing we use the old screen order. 1922 for (ItemInfo item: sBgItemsIdMap.values()) { 1923 long screenId = item.screenId; 1924 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1925 !sBgWorkspaceScreens.contains(screenId)) { 1926 Log.w(TAG, "10249126 - loadWorkspace-loadedOldDb(" + screenId + ")"); 1927 sBgWorkspaceScreens.add(screenId); 1928 if (screenId > maxScreenId) { 1929 maxScreenId = screenId; 1930 } 1931 } 1932 } 1933 Collections.sort(sBgWorkspaceScreens); 1934 1935 // Dump the sBgWorkspaceScreens 1936 Log.w(TAG, "10249126 - updateWorkspaceScreenOrder - sBgWorkspaceScreens"); 1937 for (Long l : sBgWorkspaceScreens) { 1938 Log.w(TAG, "10249126\t- " + l); 1939 } 1940 1941 mApp.getLauncherProvider().updateMaxScreenId(maxScreenId); 1942 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 1943 1944 // Update the max item id after we load an old db 1945 long maxItemId = 0; 1946 // If we're importing we use the old screen order. 1947 for (ItemInfo item: sBgItemsIdMap.values()) { 1948 maxItemId = Math.max(maxItemId, item.id); 1949 } 1950 app.getLauncherProvider().updateMaxItemId(maxItemId); 1951 } else { 1952 Log.w(TAG, "10249126 - loadWorkspace - !loadedOldDb"); 1953 TreeMap<Integer, Long> orderedScreens = loadWorkspaceScreensDb(mContext); 1954 for (Integer i : orderedScreens.keySet()) { 1955 sBgWorkspaceScreens.add(orderedScreens.get(i)); 1956 } 1957 1958 // Remove any empty screens 1959 ArrayList<Long> unusedScreens = new ArrayList<Long>(); 1960 unusedScreens.addAll(sBgWorkspaceScreens); 1961 1962 for (ItemInfo item: sBgItemsIdMap.values()) { 1963 long screenId = item.screenId; 1964 1965 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1966 unusedScreens.contains(screenId)) { 1967 unusedScreens.remove(screenId); 1968 } 1969 } 1970 1971 // If there are any empty screens remove them, and update. 1972 if (unusedScreens.size() != 0) { 1973 sBgWorkspaceScreens.removeAll(unusedScreens); 1974 1975 // Dump the sBgWorkspaceScreens 1976 Log.w(TAG, "10249126 - updateWorkspaceScreenOrder - sBgWorkspaceScreens"); 1977 for (Long l : sBgWorkspaceScreens) { 1978 Log.w(TAG, "10249126\t- " + l); 1979 } 1980 1981 updateWorkspaceScreenOrder(context, sBgWorkspaceScreens); 1982 } 1983 } 1984 1985 if (DEBUG_LOADERS) { 1986 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 1987 Log.d(TAG, "workspace layout: "); 1988 int nScreens = occupied.size(); 1989 for (int y = 0; y < countY; y++) { 1990 String line = ""; 1991 1992 Iterator<Long> iter = occupied.keySet().iterator(); 1993 while (iter.hasNext()) { 1994 long screenId = iter.next(); 1995 if (screenId > 0) { 1996 line += " | "; 1997 } 1998 for (int x = 0; x < countX; x++) { 1999 line += ((occupied.get(screenId)[x][y] != null) ? "#" : "."); 2000 } 2001 } 2002 Log.d(TAG, "[ " + line + " ]"); 2003 } 2004 } 2005 } 2006 return loadedOldDb; 2007 } 2008 2009 /** Filters the set of items who are directly or indirectly (via another container) on the 2010 * specified screen. */ 2011 private void filterCurrentWorkspaceItems(int currentScreen, 2012 ArrayList<ItemInfo> allWorkspaceItems, 2013 ArrayList<ItemInfo> currentScreenItems, 2014 ArrayList<ItemInfo> otherScreenItems) { 2015 // Purge any null ItemInfos 2016 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 2017 while (iter.hasNext()) { 2018 ItemInfo i = iter.next(); 2019 if (i == null) { 2020 iter.remove(); 2021 } 2022 } 2023 2024 // If we aren't filtering on a screen, then the set of items to load is the full set of 2025 // items given. 2026 if (currentScreen < 0) { 2027 currentScreenItems.addAll(allWorkspaceItems); 2028 } 2029 2030 // Order the set of items by their containers first, this allows use to walk through the 2031 // list sequentially, build up a list of containers that are in the specified screen, 2032 // as well as all items in those containers. 2033 Set<Long> itemsOnScreen = new HashSet<Long>(); 2034 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 2035 @Override 2036 public int compare(ItemInfo lhs, ItemInfo rhs) { 2037 return (int) (lhs.container - rhs.container); 2038 } 2039 }); 2040 for (ItemInfo info : allWorkspaceItems) { 2041 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 2042 if (info.screenId == currentScreen) { 2043 currentScreenItems.add(info); 2044 itemsOnScreen.add(info.id); 2045 } else { 2046 otherScreenItems.add(info); 2047 } 2048 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 2049 currentScreenItems.add(info); 2050 itemsOnScreen.add(info.id); 2051 } else { 2052 if (itemsOnScreen.contains(info.container)) { 2053 currentScreenItems.add(info); 2054 itemsOnScreen.add(info.id); 2055 } else { 2056 otherScreenItems.add(info); 2057 } 2058 } 2059 } 2060 } 2061 2062 /** Filters the set of widgets which are on the specified screen. */ 2063 private void filterCurrentAppWidgets(int currentScreen, 2064 ArrayList<LauncherAppWidgetInfo> appWidgets, 2065 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 2066 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 2067 // If we aren't filtering on a screen, then the set of items to load is the full set of 2068 // widgets given. 2069 if (currentScreen < 0) { 2070 currentScreenWidgets.addAll(appWidgets); 2071 } 2072 2073 for (LauncherAppWidgetInfo widget : appWidgets) { 2074 if (widget == null) continue; 2075 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2076 widget.screenId == currentScreen) { 2077 currentScreenWidgets.add(widget); 2078 } else { 2079 otherScreenWidgets.add(widget); 2080 } 2081 } 2082 } 2083 2084 /** Filters the set of folders which are on the specified screen. */ 2085 private void filterCurrentFolders(int currentScreen, 2086 HashMap<Long, ItemInfo> itemsIdMap, 2087 HashMap<Long, FolderInfo> folders, 2088 HashMap<Long, FolderInfo> currentScreenFolders, 2089 HashMap<Long, FolderInfo> otherScreenFolders) { 2090 // If we aren't filtering on a screen, then the set of items to load is the full set of 2091 // widgets given. 2092 if (currentScreen < 0) { 2093 currentScreenFolders.putAll(folders); 2094 } 2095 2096 for (long id : folders.keySet()) { 2097 ItemInfo info = itemsIdMap.get(id); 2098 FolderInfo folder = folders.get(id); 2099 if (info == null || folder == null) continue; 2100 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 2101 info.screenId == currentScreen) { 2102 currentScreenFolders.put(id, folder); 2103 } else { 2104 otherScreenFolders.put(id, folder); 2105 } 2106 } 2107 } 2108 2109 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 2110 * right) */ 2111 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 2112 final LauncherAppState app = LauncherAppState.getInstance(); 2113 final DeviceProfile grid = app.getDynamicGrid().getDeviceProfile(); 2114 // XXX: review this 2115 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 2116 @Override 2117 public int compare(ItemInfo lhs, ItemInfo rhs) { 2118 int cellCountX = (int) grid.numColumns; 2119 int cellCountY = (int) grid.numRows; 2120 int screenOffset = cellCountX * cellCountY; 2121 int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat 2122 long lr = (lhs.container * containerOffset + lhs.screenId * screenOffset + 2123 lhs.cellY * cellCountX + lhs.cellX); 2124 long rr = (rhs.container * containerOffset + rhs.screenId * screenOffset + 2125 rhs.cellY * cellCountX + rhs.cellX); 2126 return (int) (lr - rr); 2127 } 2128 }); 2129 } 2130 2131 private void bindWorkspaceScreens(final Callbacks oldCallbacks, 2132 final ArrayList<Long> orderedScreens) { 2133 Log.w(TAG, "10249126 - bindWorkspaceScreens()"); 2134 2135 // Dump the orderedScreens 2136 Log.w(TAG, "10249126 - orderedScreens"); 2137 for (Long l : sBgWorkspaceScreens) { 2138 Log.w(TAG, "10249126\t- " + l); 2139 } 2140 2141 final Runnable r = new Runnable() { 2142 @Override 2143 public void run() { 2144 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2145 if (callbacks != null) { 2146 callbacks.bindScreens(orderedScreens); 2147 } 2148 } 2149 }; 2150 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2151 } 2152 2153 private void bindWorkspaceItems(final Callbacks oldCallbacks, 2154 final ArrayList<ItemInfo> workspaceItems, 2155 final ArrayList<LauncherAppWidgetInfo> appWidgets, 2156 final HashMap<Long, FolderInfo> folders, 2157 ArrayList<Runnable> deferredBindRunnables) { 2158 2159 final boolean postOnMainThread = (deferredBindRunnables != null); 2160 2161 // Bind the workspace items 2162 int N = workspaceItems.size(); 2163 for (int i = 0; i < N; i += ITEMS_CHUNK) { 2164 final int start = i; 2165 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 2166 final Runnable r = new Runnable() { 2167 @Override 2168 public void run() { 2169 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2170 if (callbacks != null) { 2171 callbacks.bindItems(workspaceItems, start, start+chunkSize, 2172 false); 2173 } 2174 } 2175 }; 2176 if (postOnMainThread) { 2177 deferredBindRunnables.add(r); 2178 } else { 2179 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2180 } 2181 } 2182 2183 // Bind the folders 2184 if (!folders.isEmpty()) { 2185 final Runnable r = new Runnable() { 2186 public void run() { 2187 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2188 if (callbacks != null) { 2189 callbacks.bindFolders(folders); 2190 } 2191 } 2192 }; 2193 if (postOnMainThread) { 2194 deferredBindRunnables.add(r); 2195 } else { 2196 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2197 } 2198 } 2199 2200 // Bind the widgets, one at a time 2201 N = appWidgets.size(); 2202 for (int i = 0; i < N; i++) { 2203 final LauncherAppWidgetInfo widget = appWidgets.get(i); 2204 final Runnable r = new Runnable() { 2205 public void run() { 2206 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2207 if (callbacks != null) { 2208 callbacks.bindAppWidget(widget); 2209 } 2210 } 2211 }; 2212 if (postOnMainThread) { 2213 deferredBindRunnables.add(r); 2214 } else { 2215 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2216 } 2217 } 2218 } 2219 2220 /** 2221 * Binds all loaded data to actual views on the main thread. 2222 */ 2223 private void bindWorkspace(int synchronizeBindPage, final boolean isUpgradePath) { 2224 final long t = SystemClock.uptimeMillis(); 2225 Runnable r; 2226 2227 // Don't use these two variables in any of the callback runnables. 2228 // Otherwise we hold a reference to them. 2229 final Callbacks oldCallbacks = mCallbacks.get(); 2230 if (oldCallbacks == null) { 2231 // This launcher has exited and nobody bothered to tell us. Just bail. 2232 Log.w(TAG, "LoaderTask running with no launcher"); 2233 return; 2234 } 2235 2236 final boolean isLoadingSynchronously = (synchronizeBindPage > -1); 2237 final int currentScreen = isLoadingSynchronously ? synchronizeBindPage : 2238 oldCallbacks.getCurrentWorkspaceScreen(); 2239 2240 // Load all the items that are on the current page first (and in the process, unbind 2241 // all the existing workspace items before we call startBinding() below. 2242 unbindWorkspaceItemsOnMainThread(); 2243 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 2244 ArrayList<LauncherAppWidgetInfo> appWidgets = 2245 new ArrayList<LauncherAppWidgetInfo>(); 2246 HashMap<Long, FolderInfo> folders = new HashMap<Long, FolderInfo>(); 2247 HashMap<Long, ItemInfo> itemsIdMap = new HashMap<Long, ItemInfo>(); 2248 ArrayList<Long> orderedScreenIds = new ArrayList<Long>(); 2249 synchronized (sBgLock) { 2250 workspaceItems.addAll(sBgWorkspaceItems); 2251 appWidgets.addAll(sBgAppWidgets); 2252 folders.putAll(sBgFolders); 2253 itemsIdMap.putAll(sBgItemsIdMap); 2254 orderedScreenIds.addAll(sBgWorkspaceScreens); 2255 } 2256 2257 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 2258 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 2259 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 2260 new ArrayList<LauncherAppWidgetInfo>(); 2261 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 2262 new ArrayList<LauncherAppWidgetInfo>(); 2263 HashMap<Long, FolderInfo> currentFolders = new HashMap<Long, FolderInfo>(); 2264 HashMap<Long, FolderInfo> otherFolders = new HashMap<Long, FolderInfo>(); 2265 2266 // Separate the items that are on the current screen, and all the other remaining items 2267 filterCurrentWorkspaceItems(currentScreen, workspaceItems, currentWorkspaceItems, 2268 otherWorkspaceItems); 2269 filterCurrentAppWidgets(currentScreen, appWidgets, currentAppWidgets, 2270 otherAppWidgets); 2271 filterCurrentFolders(currentScreen, itemsIdMap, folders, currentFolders, 2272 otherFolders); 2273 sortWorkspaceItemsSpatially(currentWorkspaceItems); 2274 sortWorkspaceItemsSpatially(otherWorkspaceItems); 2275 2276 // Tell the workspace that we're about to start binding items 2277 r = new Runnable() { 2278 public void run() { 2279 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2280 if (callbacks != null) { 2281 callbacks.startBinding(); 2282 } 2283 } 2284 }; 2285 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2286 2287 bindWorkspaceScreens(oldCallbacks, orderedScreenIds); 2288 2289 // Load items on the current page 2290 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 2291 currentFolders, null); 2292 if (isLoadingSynchronously) { 2293 r = new Runnable() { 2294 public void run() { 2295 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2296 if (callbacks != null) { 2297 callbacks.onPageBoundSynchronously(currentScreen); 2298 } 2299 } 2300 }; 2301 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2302 } 2303 2304 // Load all the remaining pages (if we are loading synchronously, we want to defer this 2305 // work until after the first render) 2306 mDeferredBindRunnables.clear(); 2307 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, 2308 (isLoadingSynchronously ? mDeferredBindRunnables : null)); 2309 2310 // Tell the workspace that we're done binding items 2311 r = new Runnable() { 2312 public void run() { 2313 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2314 if (callbacks != null) { 2315 callbacks.finishBindingItems(isUpgradePath); 2316 } 2317 2318 // If we're profiling, ensure this is the last thing in the queue. 2319 if (DEBUG_LOADERS) { 2320 Log.d(TAG, "bound workspace in " 2321 + (SystemClock.uptimeMillis()-t) + "ms"); 2322 } 2323 2324 mIsLoadingAndBindingWorkspace = false; 2325 } 2326 }; 2327 if (isLoadingSynchronously) { 2328 mDeferredBindRunnables.add(r); 2329 } else { 2330 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 2331 } 2332 } 2333 2334 private void loadAndBindAllApps() { 2335 if (DEBUG_LOADERS) { 2336 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 2337 } 2338 if (!mAllAppsLoaded) { 2339 loadAllApps(); 2340 synchronized (LoaderTask.this) { 2341 if (mStopped) { 2342 return; 2343 } 2344 mAllAppsLoaded = true; 2345 } 2346 } else { 2347 onlyBindAllApps(); 2348 } 2349 } 2350 2351 private void onlyBindAllApps() { 2352 final Callbacks oldCallbacks = mCallbacks.get(); 2353 if (oldCallbacks == null) { 2354 // This launcher has exited and nobody bothered to tell us. Just bail. 2355 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 2356 return; 2357 } 2358 2359 // shallow copy 2360 @SuppressWarnings("unchecked") 2361 final ArrayList<ApplicationInfo> list 2362 = (ArrayList<ApplicationInfo>) mBgAllAppsList.data.clone(); 2363 Runnable r = new Runnable() { 2364 public void run() { 2365 final long t = SystemClock.uptimeMillis(); 2366 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2367 if (callbacks != null) { 2368 callbacks.bindAllApplications(list); 2369 } 2370 if (DEBUG_LOADERS) { 2371 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 2372 + (SystemClock.uptimeMillis()-t) + "ms"); 2373 } 2374 } 2375 }; 2376 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 2377 if (isRunningOnMainThread) { 2378 r.run(); 2379 } else { 2380 mHandler.post(r); 2381 } 2382 } 2383 2384 private void loadAllApps() { 2385 final long loadTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2386 2387 // Don't use these two variables in any of the callback runnables. 2388 // Otherwise we hold a reference to them. 2389 final Callbacks oldCallbacks = mCallbacks.get(); 2390 if (oldCallbacks == null) { 2391 // This launcher has exited and nobody bothered to tell us. Just bail. 2392 Log.w(TAG, "LoaderTask running with no launcher (loadAllApps)"); 2393 return; 2394 } 2395 2396 final PackageManager packageManager = mContext.getPackageManager(); 2397 final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 2398 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2399 2400 // Clear the list of apps 2401 mBgAllAppsList.clear(); 2402 2403 // Query for the set of apps 2404 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2405 List<ResolveInfo> apps = packageManager.queryIntentActivities(mainIntent, 0); 2406 if (DEBUG_LOADERS) { 2407 Log.d(TAG, "queryIntentActivities took " 2408 + (SystemClock.uptimeMillis()-qiaTime) + "ms"); 2409 Log.d(TAG, "queryIntentActivities got " + apps.size() + " apps"); 2410 } 2411 // Fail if we don't have any apps 2412 if (apps == null || apps.isEmpty()) { 2413 return; 2414 } 2415 // Sort the applications by name 2416 final long sortTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2417 Collections.sort(apps, 2418 new LauncherModel.ShortcutNameComparator(packageManager, mLabelCache)); 2419 if (DEBUG_LOADERS) { 2420 Log.d(TAG, "sort took " 2421 + (SystemClock.uptimeMillis()-sortTime) + "ms"); 2422 } 2423 2424 // Create the ApplicationInfos 2425 final long addTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 2426 for (int i = 0; i < apps.size(); i++) { 2427 // This builds the icon bitmaps. 2428 mBgAllAppsList.add(new ApplicationInfo(packageManager, apps.get(i), 2429 mIconCache, mLabelCache)); 2430 } 2431 2432 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 2433 final ArrayList<ApplicationInfo> added = mBgAllAppsList.added; 2434 mBgAllAppsList.added = new ArrayList<ApplicationInfo>(); 2435 2436 // Post callback on main thread 2437 mHandler.post(new Runnable() { 2438 public void run() { 2439 final long bindTime = SystemClock.uptimeMillis(); 2440 if (callbacks != null) { 2441 callbacks.bindAllApplications(added); 2442 if (DEBUG_LOADERS) { 2443 Log.d(TAG, "bound " + added.size() + " apps in " 2444 + (SystemClock.uptimeMillis() - bindTime) + "ms"); 2445 } 2446 } else { 2447 Log.i(TAG, "not binding apps: no Launcher activity"); 2448 } 2449 } 2450 }); 2451 2452 if (DEBUG_LOADERS) { 2453 Log.d(TAG, "Icons processed in " 2454 + (SystemClock.uptimeMillis() - loadTime) + "ms"); 2455 } 2456 } 2457 2458 public void dumpState() { 2459 synchronized (sBgLock) { 2460 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 2461 Log.d(TAG, "mLoaderTask.mIsLaunching=" + mIsLaunching); 2462 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 2463 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 2464 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 2465 } 2466 } 2467 } 2468 2469 void enqueuePackageUpdated(PackageUpdatedTask task) { 2470 sWorker.post(task); 2471 } 2472 2473 private class PackageUpdatedTask implements Runnable { 2474 int mOp; 2475 String[] mPackages; 2476 2477 public static final int OP_NONE = 0; 2478 public static final int OP_ADD = 1; 2479 public static final int OP_UPDATE = 2; 2480 public static final int OP_REMOVE = 3; // uninstlled 2481 public static final int OP_UNAVAILABLE = 4; // external media unmounted 2482 2483 2484 public PackageUpdatedTask(int op, String[] packages) { 2485 mOp = op; 2486 mPackages = packages; 2487 } 2488 2489 public void run() { 2490 final Context context = mApp.getContext(); 2491 2492 final String[] packages = mPackages; 2493 final int N = packages.length; 2494 switch (mOp) { 2495 case OP_ADD: 2496 for (int i=0; i<N; i++) { 2497 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 2498 mBgAllAppsList.addPackage(context, packages[i]); 2499 } 2500 break; 2501 case OP_UPDATE: 2502 for (int i=0; i<N; i++) { 2503 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 2504 mBgAllAppsList.updatePackage(context, packages[i]); 2505 WidgetPreviewLoader.removeFromDb( 2506 mApp.getWidgetPreviewCacheDb(), packages[i]); 2507 } 2508 break; 2509 case OP_REMOVE: 2510 case OP_UNAVAILABLE: 2511 for (int i=0; i<N; i++) { 2512 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 2513 mBgAllAppsList.removePackage(packages[i]); 2514 WidgetPreviewLoader.removeFromDb( 2515 mApp.getWidgetPreviewCacheDb(), packages[i]); 2516 } 2517 break; 2518 } 2519 2520 ArrayList<ApplicationInfo> added = null; 2521 ArrayList<ApplicationInfo> modified = null; 2522 final ArrayList<ApplicationInfo> removedApps = new ArrayList<ApplicationInfo>(); 2523 2524 if (mBgAllAppsList.added.size() > 0) { 2525 added = new ArrayList<ApplicationInfo>(mBgAllAppsList.added); 2526 mBgAllAppsList.added.clear(); 2527 } 2528 if (mBgAllAppsList.modified.size() > 0) { 2529 modified = new ArrayList<ApplicationInfo>(mBgAllAppsList.modified); 2530 mBgAllAppsList.modified.clear(); 2531 } 2532 if (mBgAllAppsList.removed.size() > 0) { 2533 removedApps.addAll(mBgAllAppsList.removed); 2534 mBgAllAppsList.removed.clear(); 2535 } 2536 2537 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 2538 if (callbacks == null) { 2539 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 2540 return; 2541 } 2542 2543 if (added != null) { 2544 // Ensure that we add all the workspace applications to the db 2545 final ArrayList<ItemInfo> addedInfos = new ArrayList<ItemInfo>(added); 2546 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2547 addAndBindAddedApps(context, addedInfos, cb); 2548 } 2549 if (modified != null) { 2550 final ArrayList<ApplicationInfo> modifiedFinal = modified; 2551 2552 // Update the launcher db to reflect the changes 2553 for (ApplicationInfo a : modifiedFinal) { 2554 ArrayList<ItemInfo> infos = 2555 getItemInfoForComponentName(a.componentName); 2556 for (ItemInfo i : infos) { 2557 if (isShortcutInfoUpdateable(i)) { 2558 ShortcutInfo info = (ShortcutInfo) i; 2559 info.title = a.title.toString(); 2560 updateItemInDatabase(context, info); 2561 } 2562 } 2563 } 2564 2565 mHandler.post(new Runnable() { 2566 public void run() { 2567 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2568 if (callbacks == cb && cb != null) { 2569 callbacks.bindAppsUpdated(modifiedFinal); 2570 } 2571 } 2572 }); 2573 } 2574 // If a package has been removed, or an app has been removed as a result of 2575 // an update (for example), make the removed callback. 2576 if (mOp == OP_REMOVE || !removedApps.isEmpty()) { 2577 final boolean packageRemoved = (mOp == OP_REMOVE); 2578 final ArrayList<String> removedPackageNames = 2579 new ArrayList<String>(Arrays.asList(packages)); 2580 2581 // Update the launcher db to reflect the removal of apps 2582 if (packageRemoved) { 2583 for (String pn : removedPackageNames) { 2584 ArrayList<ItemInfo> infos = getItemInfoForPackageName(pn); 2585 for (ItemInfo i : infos) { 2586 deleteItemFromDatabase(context, i); 2587 } 2588 } 2589 } else { 2590 for (ApplicationInfo a : removedApps) { 2591 ArrayList<ItemInfo> infos = 2592 getItemInfoForComponentName(a.componentName); 2593 for (ItemInfo i : infos) { 2594 deleteItemFromDatabase(context, i); 2595 } 2596 } 2597 } 2598 2599 mHandler.post(new Runnable() { 2600 public void run() { 2601 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2602 if (callbacks == cb && cb != null) { 2603 callbacks.bindComponentsRemoved(removedPackageNames, 2604 removedApps, packageRemoved); 2605 } 2606 } 2607 }); 2608 } 2609 2610 final ArrayList<Object> widgetsAndShortcuts = 2611 getSortedWidgetsAndShortcuts(context); 2612 mHandler.post(new Runnable() { 2613 @Override 2614 public void run() { 2615 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2616 if (callbacks == cb && cb != null) { 2617 callbacks.bindPackagesUpdated(widgetsAndShortcuts); 2618 } 2619 } 2620 }); 2621 } 2622 } 2623 2624 // Returns a list of ResolveInfos/AppWindowInfos in sorted order 2625 public static ArrayList<Object> getSortedWidgetsAndShortcuts(Context context) { 2626 PackageManager packageManager = context.getPackageManager(); 2627 final ArrayList<Object> widgetsAndShortcuts = new ArrayList<Object>(); 2628 widgetsAndShortcuts.addAll(AppWidgetManager.getInstance(context).getInstalledProviders()); 2629 Intent shortcutsIntent = new Intent(Intent.ACTION_CREATE_SHORTCUT); 2630 widgetsAndShortcuts.addAll(packageManager.queryIntentActivities(shortcutsIntent, 0)); 2631 Collections.sort(widgetsAndShortcuts, 2632 new LauncherModel.WidgetAndShortcutNameComparator(packageManager)); 2633 return widgetsAndShortcuts; 2634 } 2635 2636 private boolean isValidPackageComponent(PackageManager pm, ComponentName cn) { 2637 if (cn == null) { 2638 return false; 2639 } 2640 2641 try { 2642 return (pm.getActivityInfo(cn, 0) != null); 2643 } catch (NameNotFoundException e) { 2644 return false; 2645 } 2646 } 2647 2648 /** 2649 * This is called from the code that adds shortcuts from the intent receiver. This 2650 * doesn't have a Cursor, but 2651 */ 2652 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context) { 2653 return getShortcutInfo(manager, intent, context, null, -1, -1, null); 2654 } 2655 2656 /** 2657 * Make an ShortcutInfo object for a shortcut that is an application. 2658 * 2659 * If c is not null, then it will be used to fill in missing data like the title and icon. 2660 */ 2661 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context, 2662 Cursor c, int iconIndex, int titleIndex, HashMap<Object, CharSequence> labelCache) { 2663 ComponentName componentName = intent.getComponent(); 2664 final ShortcutInfo info = new ShortcutInfo(); 2665 if (!isValidPackageComponent(manager, componentName)) { 2666 Log.d(TAG, "Invalid package found in getShortcutInfo: " + componentName); 2667 return null; 2668 } else { 2669 try { 2670 PackageInfo pi = manager.getPackageInfo(componentName.getPackageName(), 0); 2671 info.initFlagsAndFirstInstallTime(pi); 2672 } catch (NameNotFoundException e) { 2673 Log.d(TAG, "getPackInfo failed for package " + 2674 componentName.getPackageName()); 2675 } 2676 } 2677 2678 // TODO: See if the PackageManager knows about this case. If it doesn't 2679 // then return null & delete this. 2680 2681 // the resource -- This may implicitly give us back the fallback icon, 2682 // but don't worry about that. All we're doing with usingFallbackIcon is 2683 // to avoid saving lots of copies of that in the database, and most apps 2684 // have icons anyway. 2685 2686 // Attempt to use queryIntentActivities to get the ResolveInfo (with IntentFilter info) and 2687 // if that fails, or is ambiguious, fallback to the standard way of getting the resolve info 2688 // via resolveActivity(). 2689 Bitmap icon = null; 2690 ResolveInfo resolveInfo = null; 2691 ComponentName oldComponent = intent.getComponent(); 2692 Intent newIntent = new Intent(intent.getAction(), null); 2693 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2694 newIntent.setPackage(oldComponent.getPackageName()); 2695 List<ResolveInfo> infos = manager.queryIntentActivities(newIntent, 0); 2696 for (ResolveInfo i : infos) { 2697 ComponentName cn = new ComponentName(i.activityInfo.packageName, 2698 i.activityInfo.name); 2699 if (cn.equals(oldComponent)) { 2700 resolveInfo = i; 2701 } 2702 } 2703 if (resolveInfo == null) { 2704 resolveInfo = manager.resolveActivity(intent, 0); 2705 } 2706 if (resolveInfo != null) { 2707 icon = mIconCache.getIcon(componentName, resolveInfo, labelCache); 2708 } 2709 // the db 2710 if (icon == null) { 2711 if (c != null) { 2712 icon = getIconFromCursor(c, iconIndex, context); 2713 } 2714 } 2715 // the fallback icon 2716 if (icon == null) { 2717 icon = getFallbackIcon(); 2718 info.usingFallbackIcon = true; 2719 } 2720 info.setIcon(icon); 2721 2722 // from the resource 2723 if (resolveInfo != null) { 2724 ComponentName key = LauncherModel.getComponentNameFromResolveInfo(resolveInfo); 2725 if (labelCache != null && labelCache.containsKey(key)) { 2726 info.title = labelCache.get(key); 2727 } else { 2728 info.title = resolveInfo.activityInfo.loadLabel(manager); 2729 if (labelCache != null) { 2730 labelCache.put(key, info.title); 2731 } 2732 } 2733 } 2734 // from the db 2735 if (info.title == null) { 2736 if (c != null) { 2737 info.title = c.getString(titleIndex); 2738 } 2739 } 2740 // fall back to the class name of the activity 2741 if (info.title == null) { 2742 info.title = componentName.getClassName(); 2743 } 2744 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 2745 return info; 2746 } 2747 2748 static ArrayList<ItemInfo> filterItemInfos(Collection<ItemInfo> infos, 2749 ItemInfoFilter f) { 2750 HashSet<ItemInfo> filtered = new HashSet<ItemInfo>(); 2751 for (ItemInfo i : infos) { 2752 if (i instanceof ShortcutInfo) { 2753 ShortcutInfo info = (ShortcutInfo) i; 2754 ComponentName cn = info.intent.getComponent(); 2755 if (cn != null && f.filterItem(null, info, cn)) { 2756 filtered.add(info); 2757 } 2758 } else if (i instanceof FolderInfo) { 2759 FolderInfo info = (FolderInfo) i; 2760 for (ShortcutInfo s : info.contents) { 2761 ComponentName cn = s.intent.getComponent(); 2762 if (cn != null && f.filterItem(info, s, cn)) { 2763 filtered.add(s); 2764 } 2765 } 2766 } else if (i instanceof LauncherAppWidgetInfo) { 2767 LauncherAppWidgetInfo info = (LauncherAppWidgetInfo) i; 2768 ComponentName cn = info.providerName; 2769 if (cn != null && f.filterItem(null, info, cn)) { 2770 filtered.add(info); 2771 } 2772 } 2773 } 2774 return new ArrayList<ItemInfo>(filtered); 2775 } 2776 2777 private ArrayList<ItemInfo> getItemInfoForPackageName(final String pn) { 2778 HashSet<ItemInfo> infos = new HashSet<ItemInfo>(); 2779 ItemInfoFilter filter = new ItemInfoFilter() { 2780 @Override 2781 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 2782 return cn.getPackageName().equals(pn); 2783 } 2784 }; 2785 return filterItemInfos(sBgItemsIdMap.values(), filter); 2786 } 2787 2788 private ArrayList<ItemInfo> getItemInfoForComponentName(final ComponentName cname) { 2789 HashSet<ItemInfo> infos = new HashSet<ItemInfo>(); 2790 ItemInfoFilter filter = new ItemInfoFilter() { 2791 @Override 2792 public boolean filterItem(ItemInfo parent, ItemInfo info, ComponentName cn) { 2793 return cn.equals(cname); 2794 } 2795 }; 2796 return filterItemInfos(sBgItemsIdMap.values(), filter); 2797 } 2798 2799 public static boolean isShortcutInfoUpdateable(ItemInfo i) { 2800 if (i instanceof ShortcutInfo) { 2801 ShortcutInfo info = (ShortcutInfo) i; 2802 // We need to check for ACTION_MAIN otherwise getComponent() might 2803 // return null for some shortcuts (for instance, for shortcuts to 2804 // web pages.) 2805 Intent intent = info.intent; 2806 ComponentName name = intent.getComponent(); 2807 if (info.itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION && 2808 Intent.ACTION_MAIN.equals(intent.getAction()) && name != null) { 2809 return true; 2810 } 2811 } 2812 return false; 2813 } 2814 2815 /** 2816 * Make an ShortcutInfo object for a shortcut that isn't an application. 2817 */ 2818 private ShortcutInfo getShortcutInfo(Cursor c, Context context, 2819 int iconTypeIndex, int iconPackageIndex, int iconResourceIndex, int iconIndex, 2820 int titleIndex) { 2821 2822 Bitmap icon = null; 2823 final ShortcutInfo info = new ShortcutInfo(); 2824 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 2825 2826 // TODO: If there's an explicit component and we can't install that, delete it. 2827 2828 info.title = c.getString(titleIndex); 2829 2830 int iconType = c.getInt(iconTypeIndex); 2831 switch (iconType) { 2832 case LauncherSettings.Favorites.ICON_TYPE_RESOURCE: 2833 String packageName = c.getString(iconPackageIndex); 2834 String resourceName = c.getString(iconResourceIndex); 2835 PackageManager packageManager = context.getPackageManager(); 2836 info.customIcon = false; 2837 // the resource 2838 try { 2839 Resources resources = packageManager.getResourcesForApplication(packageName); 2840 if (resources != null) { 2841 final int id = resources.getIdentifier(resourceName, null, null); 2842 icon = Utilities.createIconBitmap( 2843 mIconCache.getFullResIcon(resources, id), context); 2844 } 2845 } catch (Exception e) { 2846 // drop this. we have other places to look for icons 2847 } 2848 // the db 2849 if (icon == null) { 2850 icon = getIconFromCursor(c, iconIndex, context); 2851 } 2852 // the fallback icon 2853 if (icon == null) { 2854 icon = getFallbackIcon(); 2855 info.usingFallbackIcon = true; 2856 } 2857 break; 2858 case LauncherSettings.Favorites.ICON_TYPE_BITMAP: 2859 icon = getIconFromCursor(c, iconIndex, context); 2860 if (icon == null) { 2861 icon = getFallbackIcon(); 2862 info.customIcon = false; 2863 info.usingFallbackIcon = true; 2864 } else { 2865 info.customIcon = true; 2866 } 2867 break; 2868 default: 2869 icon = getFallbackIcon(); 2870 info.usingFallbackIcon = true; 2871 info.customIcon = false; 2872 break; 2873 } 2874 info.setIcon(icon); 2875 return info; 2876 } 2877 2878 Bitmap getIconFromCursor(Cursor c, int iconIndex, Context context) { 2879 @SuppressWarnings("all") // suppress dead code warning 2880 final boolean debug = false; 2881 if (debug) { 2882 Log.d(TAG, "getIconFromCursor app=" 2883 + c.getString(c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE))); 2884 } 2885 byte[] data = c.getBlob(iconIndex); 2886 try { 2887 return Utilities.createIconBitmap( 2888 BitmapFactory.decodeByteArray(data, 0, data.length), context); 2889 } catch (Exception e) { 2890 return null; 2891 } 2892 } 2893 2894 ShortcutInfo addShortcut(Context context, Intent data, long container, int screen, 2895 int cellX, int cellY, boolean notify) { 2896 final ShortcutInfo info = infoFromShortcutIntent(context, data, null); 2897 if (info == null) { 2898 return null; 2899 } 2900 addItemToDatabase(context, info, container, screen, cellX, cellY, notify); 2901 2902 return info; 2903 } 2904 2905 /** 2906 * Attempts to find an AppWidgetProviderInfo that matches the given component. 2907 */ 2908 AppWidgetProviderInfo findAppWidgetProviderInfoWithComponent(Context context, 2909 ComponentName component) { 2910 List<AppWidgetProviderInfo> widgets = 2911 AppWidgetManager.getInstance(context).getInstalledProviders(); 2912 for (AppWidgetProviderInfo info : widgets) { 2913 if (info.provider.equals(component)) { 2914 return info; 2915 } 2916 } 2917 return null; 2918 } 2919 2920 /** 2921 * Returns a list of all the widgets that can handle configuration with a particular mimeType. 2922 */ 2923 List<WidgetMimeTypeHandlerData> resolveWidgetsForMimeType(Context context, String mimeType) { 2924 final PackageManager packageManager = context.getPackageManager(); 2925 final List<WidgetMimeTypeHandlerData> supportedConfigurationActivities = 2926 new ArrayList<WidgetMimeTypeHandlerData>(); 2927 2928 final Intent supportsIntent = 2929 new Intent(InstallWidgetReceiver.ACTION_SUPPORTS_CLIPDATA_MIMETYPE); 2930 supportsIntent.setType(mimeType); 2931 2932 // Create a set of widget configuration components that we can test against 2933 final List<AppWidgetProviderInfo> widgets = 2934 AppWidgetManager.getInstance(context).getInstalledProviders(); 2935 final HashMap<ComponentName, AppWidgetProviderInfo> configurationComponentToWidget = 2936 new HashMap<ComponentName, AppWidgetProviderInfo>(); 2937 for (AppWidgetProviderInfo info : widgets) { 2938 configurationComponentToWidget.put(info.configure, info); 2939 } 2940 2941 // Run through each of the intents that can handle this type of clip data, and cross 2942 // reference them with the components that are actual configuration components 2943 final List<ResolveInfo> activities = packageManager.queryIntentActivities(supportsIntent, 2944 PackageManager.MATCH_DEFAULT_ONLY); 2945 for (ResolveInfo info : activities) { 2946 final ActivityInfo activityInfo = info.activityInfo; 2947 final ComponentName infoComponent = new ComponentName(activityInfo.packageName, 2948 activityInfo.name); 2949 if (configurationComponentToWidget.containsKey(infoComponent)) { 2950 supportedConfigurationActivities.add( 2951 new InstallWidgetReceiver.WidgetMimeTypeHandlerData(info, 2952 configurationComponentToWidget.get(infoComponent))); 2953 } 2954 } 2955 return supportedConfigurationActivities; 2956 } 2957 2958 ShortcutInfo infoFromShortcutIntent(Context context, Intent data, Bitmap fallbackIcon) { 2959 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 2960 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 2961 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 2962 2963 if (intent == null) { 2964 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 2965 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 2966 return null; 2967 } 2968 2969 Bitmap icon = null; 2970 boolean customIcon = false; 2971 ShortcutIconResource iconResource = null; 2972 2973 if (bitmap != null && bitmap instanceof Bitmap) { 2974 icon = Utilities.createIconBitmap(new FastBitmapDrawable((Bitmap)bitmap), context); 2975 customIcon = true; 2976 } else { 2977 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 2978 if (extra != null && extra instanceof ShortcutIconResource) { 2979 try { 2980 iconResource = (ShortcutIconResource) extra; 2981 final PackageManager packageManager = context.getPackageManager(); 2982 Resources resources = packageManager.getResourcesForApplication( 2983 iconResource.packageName); 2984 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 2985 icon = Utilities.createIconBitmap( 2986 mIconCache.getFullResIcon(resources, id), context); 2987 } catch (Exception e) { 2988 Log.w(TAG, "Could not load shortcut icon: " + extra); 2989 } 2990 } 2991 } 2992 2993 final ShortcutInfo info = new ShortcutInfo(); 2994 2995 if (icon == null) { 2996 if (fallbackIcon != null) { 2997 icon = fallbackIcon; 2998 } else { 2999 icon = getFallbackIcon(); 3000 info.usingFallbackIcon = true; 3001 } 3002 } 3003 info.setIcon(icon); 3004 3005 info.title = name; 3006 info.intent = intent; 3007 info.customIcon = customIcon; 3008 info.iconResource = iconResource; 3009 3010 return info; 3011 } 3012 3013 boolean queueIconToBeChecked(HashMap<Object, byte[]> cache, ShortcutInfo info, Cursor c, 3014 int iconIndex) { 3015 // If apps can't be on SD, don't even bother. 3016 if (!mAppsCanBeOnRemoveableStorage) { 3017 return false; 3018 } 3019 // If this icon doesn't have a custom icon, check to see 3020 // what's stored in the DB, and if it doesn't match what 3021 // we're going to show, store what we are going to show back 3022 // into the DB. We do this so when we're loading, if the 3023 // package manager can't find an icon (for example because 3024 // the app is on SD) then we can use that instead. 3025 if (!info.customIcon && !info.usingFallbackIcon) { 3026 cache.put(info, c.getBlob(iconIndex)); 3027 return true; 3028 } 3029 return false; 3030 } 3031 void updateSavedIcon(Context context, ShortcutInfo info, byte[] data) { 3032 boolean needSave = false; 3033 try { 3034 if (data != null) { 3035 Bitmap saved = BitmapFactory.decodeByteArray(data, 0, data.length); 3036 Bitmap loaded = info.getIcon(mIconCache); 3037 needSave = !saved.sameAs(loaded); 3038 } else { 3039 needSave = true; 3040 } 3041 } catch (Exception e) { 3042 needSave = true; 3043 } 3044 if (needSave) { 3045 Log.d(TAG, "going to save icon bitmap for info=" + info); 3046 // This is slower than is ideal, but this only happens once 3047 // or when the app is updated with a new icon. 3048 updateItemInDatabase(context, info); 3049 } 3050 } 3051 3052 /** 3053 * Return an existing FolderInfo object if we have encountered this ID previously, 3054 * or make a new one. 3055 */ 3056 private static FolderInfo findOrMakeFolder(HashMap<Long, FolderInfo> folders, long id) { 3057 // See if a placeholder was created for us already 3058 FolderInfo folderInfo = folders.get(id); 3059 if (folderInfo == null) { 3060 // No placeholder -- create a new instance 3061 folderInfo = new FolderInfo(); 3062 folders.put(id, folderInfo); 3063 } 3064 return folderInfo; 3065 } 3066 3067 public static final Comparator<ApplicationInfo> getAppNameComparator() { 3068 final Collator collator = Collator.getInstance(); 3069 return new Comparator<ApplicationInfo>() { 3070 public final int compare(ApplicationInfo a, ApplicationInfo b) { 3071 int result = collator.compare(a.title.toString(), b.title.toString()); 3072 if (result == 0) { 3073 result = a.componentName.compareTo(b.componentName); 3074 } 3075 return result; 3076 } 3077 }; 3078 } 3079 public static final Comparator<ApplicationInfo> APP_INSTALL_TIME_COMPARATOR 3080 = new Comparator<ApplicationInfo>() { 3081 public final int compare(ApplicationInfo a, ApplicationInfo b) { 3082 if (a.firstInstallTime < b.firstInstallTime) return 1; 3083 if (a.firstInstallTime > b.firstInstallTime) return -1; 3084 return 0; 3085 } 3086 }; 3087 public static final Comparator<AppWidgetProviderInfo> getWidgetNameComparator() { 3088 final Collator collator = Collator.getInstance(); 3089 return new Comparator<AppWidgetProviderInfo>() { 3090 public final int compare(AppWidgetProviderInfo a, AppWidgetProviderInfo b) { 3091 return collator.compare(a.label.toString(), b.label.toString()); 3092 } 3093 }; 3094 } 3095 static ComponentName getComponentNameFromResolveInfo(ResolveInfo info) { 3096 if (info.activityInfo != null) { 3097 return new ComponentName(info.activityInfo.packageName, info.activityInfo.name); 3098 } else { 3099 return new ComponentName(info.serviceInfo.packageName, info.serviceInfo.name); 3100 } 3101 } 3102 public static class ShortcutNameComparator implements Comparator<ResolveInfo> { 3103 private Collator mCollator; 3104 private PackageManager mPackageManager; 3105 private HashMap<Object, CharSequence> mLabelCache; 3106 ShortcutNameComparator(PackageManager pm) { 3107 mPackageManager = pm; 3108 mLabelCache = new HashMap<Object, CharSequence>(); 3109 mCollator = Collator.getInstance(); 3110 } 3111 ShortcutNameComparator(PackageManager pm, HashMap<Object, CharSequence> labelCache) { 3112 mPackageManager = pm; 3113 mLabelCache = labelCache; 3114 mCollator = Collator.getInstance(); 3115 } 3116 public final int compare(ResolveInfo a, ResolveInfo b) { 3117 CharSequence labelA, labelB; 3118 ComponentName keyA = LauncherModel.getComponentNameFromResolveInfo(a); 3119 ComponentName keyB = LauncherModel.getComponentNameFromResolveInfo(b); 3120 if (mLabelCache.containsKey(keyA)) { 3121 labelA = mLabelCache.get(keyA); 3122 } else { 3123 labelA = a.loadLabel(mPackageManager).toString(); 3124 3125 mLabelCache.put(keyA, labelA); 3126 } 3127 if (mLabelCache.containsKey(keyB)) { 3128 labelB = mLabelCache.get(keyB); 3129 } else { 3130 labelB = b.loadLabel(mPackageManager).toString(); 3131 3132 mLabelCache.put(keyB, labelB); 3133 } 3134 return mCollator.compare(labelA, labelB); 3135 } 3136 }; 3137 public static class WidgetAndShortcutNameComparator implements Comparator<Object> { 3138 private Collator mCollator; 3139 private PackageManager mPackageManager; 3140 private HashMap<Object, String> mLabelCache; 3141 WidgetAndShortcutNameComparator(PackageManager pm) { 3142 mPackageManager = pm; 3143 mLabelCache = new HashMap<Object, String>(); 3144 mCollator = Collator.getInstance(); 3145 } 3146 public final int compare(Object a, Object b) { 3147 String labelA, labelB; 3148 if (mLabelCache.containsKey(a)) { 3149 labelA = mLabelCache.get(a); 3150 } else { 3151 labelA = (a instanceof AppWidgetProviderInfo) ? 3152 ((AppWidgetProviderInfo) a).label : 3153 ((ResolveInfo) a).loadLabel(mPackageManager).toString(); 3154 mLabelCache.put(a, labelA); 3155 } 3156 if (mLabelCache.containsKey(b)) { 3157 labelB = mLabelCache.get(b); 3158 } else { 3159 labelB = (b instanceof AppWidgetProviderInfo) ? 3160 ((AppWidgetProviderInfo) b).label : 3161 ((ResolveInfo) b).loadLabel(mPackageManager).toString(); 3162 mLabelCache.put(b, labelB); 3163 } 3164 return mCollator.compare(labelA, labelB); 3165 } 3166 }; 3167 3168 public void dumpState() { 3169 Log.d(TAG, "mCallbacks=" + mCallbacks); 3170 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 3171 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 3172 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 3173 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 3174 if (mLoaderTask != null) { 3175 mLoaderTask.dumpState(); 3176 } else { 3177 Log.d(TAG, "mLoaderTask=null"); 3178 } 3179 } 3180} 3181