LauncherModel.java revision 05bf644e371c9d965ba864cf7dda6515c7cdce91
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.launcher2; 18 19import android.app.SearchManager; 20import android.appwidget.AppWidgetManager; 21import android.appwidget.AppWidgetProviderInfo; 22import android.content.BroadcastReceiver; 23import android.content.ComponentName; 24import android.content.ContentProviderClient; 25import android.content.ContentResolver; 26import android.content.ContentValues; 27import android.content.Context; 28import android.content.Intent; 29import android.content.Intent.ShortcutIconResource; 30import android.content.pm.ActivityInfo; 31import android.content.pm.PackageInfo; 32import android.content.pm.PackageManager; 33import android.content.pm.PackageManager.NameNotFoundException; 34import android.content.pm.ResolveInfo; 35import android.content.res.Configuration; 36import android.content.res.Resources; 37import android.database.Cursor; 38import android.graphics.Bitmap; 39import android.graphics.BitmapFactory; 40import android.net.Uri; 41import android.os.Environment; 42import android.os.Handler; 43import android.os.HandlerThread; 44import android.os.Parcelable; 45import android.os.Process; 46import android.os.RemoteException; 47import android.os.SystemClock; 48import android.util.Log; 49 50import com.android.launcher.R; 51import com.android.launcher2.InstallWidgetReceiver.WidgetMimeTypeHandlerData; 52 53import java.lang.ref.WeakReference; 54import java.net.URISyntaxException; 55import java.text.Collator; 56import java.util.ArrayList; 57import java.util.Collections; 58import java.util.Comparator; 59import java.util.HashMap; 60import java.util.List; 61 62/** 63 * Maintains in-memory state of the Launcher. It is expected that there should be only one 64 * LauncherModel object held in a static. Also provide APIs for updating the database state 65 * for the Launcher. 66 */ 67public class LauncherModel extends BroadcastReceiver { 68 static final boolean DEBUG_LOADERS = false; 69 static final String TAG = "Launcher.Model"; 70 71 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 72 private final boolean mAppsCanBeOnExternalStorage; 73 private int mBatchSize; // 0 is all apps at once 74 private int mAllAppsLoadDelay; // milliseconds between batches 75 76 private final LauncherApplication mApp; 77 private final Object mLock = new Object(); 78 private DeferredHandler mHandler = new DeferredHandler(); 79 private LoaderTask mLoaderTask; 80 81 private static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 82 static { 83 sWorkerThread.start(); 84 } 85 private static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 86 87 // We start off with everything not loaded. After that, we assume that 88 // our monitoring of the package manager provides all updates and we never 89 // need to do a requery. These are only ever touched from the loader thread. 90 private boolean mWorkspaceLoaded; 91 private boolean mAllAppsLoaded; 92 93 private WeakReference<Callbacks> mCallbacks; 94 95 // < only access in worker thread > 96 private AllAppsList mAllAppsList; 97 98 // sItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 99 // LauncherModel to their ids 100 static final HashMap<Long, ItemInfo> sItemsIdMap = new HashMap<Long, ItemInfo>(); 101 102 // sItems is passed to bindItems, which expects a list of all folders and shortcuts created by 103 // LauncherModel that are directly on the home screen (however, no widgets or shortcuts 104 // within folders). 105 static final ArrayList<ItemInfo> sWorkspaceItems = new ArrayList<ItemInfo>(); 106 107 // sAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 108 static final ArrayList<LauncherAppWidgetInfo> sAppWidgets = 109 new ArrayList<LauncherAppWidgetInfo>(); 110 111 // sFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 112 static final HashMap<Long, FolderInfo> sFolders = new HashMap<Long, FolderInfo>(); 113 114 // sDbIconCache is the set of ItemInfos that need to have their icons updated in the database 115 static final HashMap<Object, byte[]> sDbIconCache = new HashMap<Object, byte[]>(); 116 117 // </ only access in worker thread > 118 119 private IconCache mIconCache; 120 private Bitmap mDefaultIcon; 121 122 private static int mCellCountX; 123 private static int mCellCountY; 124 125 protected int mPreviousConfigMcc; 126 127 public interface Callbacks { 128 public boolean setLoadOnResume(); 129 public int getCurrentWorkspaceScreen(); 130 public void startBinding(); 131 public void bindItems(ArrayList<ItemInfo> shortcuts, int start, int end); 132 public void bindFolders(HashMap<Long,FolderInfo> folders); 133 public void finishBindingItems(); 134 public void bindAppWidget(LauncherAppWidgetInfo info); 135 public void bindAllApplications(ArrayList<ApplicationInfo> apps); 136 public void bindAppsAdded(ArrayList<ApplicationInfo> apps); 137 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps); 138 public void bindAppsRemoved(ArrayList<ApplicationInfo> apps, boolean permanent); 139 public void bindPackagesUpdated(); 140 public boolean isAllAppsVisible(); 141 public void bindSearchablesChanged(); 142 } 143 144 LauncherModel(LauncherApplication app, IconCache iconCache) { 145 mAppsCanBeOnExternalStorage = !Environment.isExternalStorageEmulated(); 146 mApp = app; 147 mAllAppsList = new AllAppsList(iconCache); 148 mIconCache = iconCache; 149 150 mDefaultIcon = Utilities.createIconBitmap( 151 mIconCache.getFullResDefaultActivityIcon(), app); 152 153 final Resources res = app.getResources(); 154 mAllAppsLoadDelay = res.getInteger(R.integer.config_allAppsBatchLoadDelay); 155 mBatchSize = res.getInteger(R.integer.config_allAppsBatchSize); 156 Configuration config = res.getConfiguration(); 157 mPreviousConfigMcc = config.mcc; 158 } 159 160 public Bitmap getFallbackIcon() { 161 return Bitmap.createBitmap(mDefaultIcon); 162 } 163 164 public void unbindWorkspaceItems() { 165 sWorker.post(new Runnable() { 166 @Override 167 public void run() { 168 unbindWorkspaceItemsOnMainThread(); 169 } 170 }); 171 } 172 173 /** Unbinds all the sWorkspaceItems on the main thread, and return a copy of sWorkspaceItems 174 * that is save to reference from the main thread. */ 175 private ArrayList<ItemInfo> unbindWorkspaceItemsOnMainThread() { 176 // Ensure that we don't use the same workspace items data structure on the main thread 177 // by making a copy of workspace items first. 178 final ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(sWorkspaceItems); 179 final ArrayList<ItemInfo> appWidgets = new ArrayList<ItemInfo>(sAppWidgets); 180 mHandler.post(new Runnable() { 181 @Override 182 public void run() { 183 for (ItemInfo item : workspaceItems) { 184 item.unbind(); 185 } 186 for (ItemInfo item : appWidgets) { 187 item.unbind(); 188 } 189 } 190 }); 191 192 return workspaceItems; 193 } 194 195 /** 196 * Adds an item to the DB if it was not created previously, or move it to a new 197 * <container, screen, cellX, cellY> 198 */ 199 static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 200 int screen, int cellX, int cellY) { 201 if (item.container == ItemInfo.NO_ID) { 202 // From all apps 203 addItemToDatabase(context, item, container, screen, cellX, cellY, false); 204 } else { 205 // From somewhere else 206 moveItemInDatabase(context, item, container, screen, cellX, cellY); 207 } 208 } 209 210 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 211 final ItemInfo item, final String callingFunction) { 212 final long itemId = item.id; 213 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId, false); 214 final ContentResolver cr = context.getContentResolver(); 215 216 Runnable r = new Runnable() { 217 public void run() { 218 cr.update(uri, values, null, null); 219 220 ItemInfo modelItem = sItemsIdMap.get(itemId); 221 if (item != modelItem) { 222 // the modelItem needs to match up perfectly with item if our model is to be 223 // consistent with the database-- for now, just require modelItem == item 224 String msg = "item: " + ((item != null) ? item.toString() : "null") + 225 "modelItem: " + ((modelItem != null) ? modelItem.toString() : "null") + 226 "Error: ItemInfo passed to " + callingFunction + " doesn't match original"; 227 throw new RuntimeException(msg); 228 } 229 230 // Items are added/removed from the corresponding FolderInfo elsewhere, such 231 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 232 // that are on the desktop, as appropriate 233 if (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 234 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 235 if (!sWorkspaceItems.contains(modelItem)) { 236 sWorkspaceItems.add(modelItem); 237 } 238 } else { 239 sWorkspaceItems.remove(modelItem); 240 } 241 } 242 }; 243 244 if (sWorkerThread.getThreadId() == Process.myTid()) { 245 r.run(); 246 } else { 247 sWorker.post(r); 248 } 249 } 250 /** 251 * Move an item in the DB to a new <container, screen, cellX, cellY> 252 */ 253 static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 254 final int screen, final int cellX, final int cellY) { 255 item.container = container; 256 item.cellX = cellX; 257 item.cellY = cellY; 258 259 // We store hotseat items in canonical form which is this orientation invariant position 260 // in the hotseat 261 if (context instanceof Launcher && screen < 0 && 262 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 263 item.screen = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 264 } else { 265 item.screen = screen; 266 } 267 268 final ContentValues values = new ContentValues(); 269 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 270 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 271 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 272 values.put(LauncherSettings.Favorites.SCREEN, item.screen); 273 274 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 275 } 276 277 /** 278 * Resize an item in the DB to a new <spanX, spanY, cellX, cellY> 279 */ 280 static void resizeItemInDatabase(Context context, final ItemInfo item, final int cellX, 281 final int cellY, final int spanX, final int spanY) { 282 item.spanX = spanX; 283 item.spanY = spanY; 284 item.cellX = cellX; 285 item.cellY = cellY; 286 287 final ContentValues values = new ContentValues(); 288 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 289 values.put(LauncherSettings.Favorites.SPANX, spanX); 290 values.put(LauncherSettings.Favorites.SPANY, spanY); 291 values.put(LauncherSettings.Favorites.CELLX, cellX); 292 values.put(LauncherSettings.Favorites.CELLY, cellY); 293 updateItemInDatabaseHelper(context, values, item, "resizeItemInDatabase"); 294 } 295 296 297 /** 298 * Update an item to the database in a specified container. 299 */ 300 static void updateItemInDatabase(Context context, final ItemInfo item) { 301 final ContentValues values = new ContentValues(); 302 item.onAddToDatabase(values); 303 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 304 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 305 } 306 307 /** 308 * Returns true if the shortcuts already exists in the database. 309 * we identify a shortcut by its title and intent. 310 */ 311 static boolean shortcutExists(Context context, String title, Intent intent) { 312 final ContentResolver cr = context.getContentResolver(); 313 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, 314 new String[] { "title", "intent" }, "title=? and intent=?", 315 new String[] { title, intent.toUri(0) }, null); 316 boolean result = false; 317 try { 318 result = c.moveToFirst(); 319 } finally { 320 c.close(); 321 } 322 return result; 323 } 324 325 /** 326 * Returns an ItemInfo array containing all the items in the LauncherModel. 327 * The ItemInfo.id is not set through this function. 328 */ 329 static ArrayList<ItemInfo> getItemsInLocalCoordinates(Context context) { 330 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 331 final ContentResolver cr = context.getContentResolver(); 332 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, new String[] { 333 LauncherSettings.Favorites.ITEM_TYPE, LauncherSettings.Favorites.CONTAINER, 334 LauncherSettings.Favorites.SCREEN, LauncherSettings.Favorites.CELLX, LauncherSettings.Favorites.CELLY, 335 LauncherSettings.Favorites.SPANX, LauncherSettings.Favorites.SPANY }, null, null, null); 336 337 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 338 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 339 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 340 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 341 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 342 final int spanXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANX); 343 final int spanYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANY); 344 345 try { 346 while (c.moveToNext()) { 347 ItemInfo item = new ItemInfo(); 348 item.cellX = c.getInt(cellXIndex); 349 item.cellY = c.getInt(cellYIndex); 350 item.spanX = c.getInt(spanXIndex); 351 item.spanY = c.getInt(spanYIndex); 352 item.container = c.getInt(containerIndex); 353 item.itemType = c.getInt(itemTypeIndex); 354 item.screen = c.getInt(screenIndex); 355 356 items.add(item); 357 } 358 } catch (Exception e) { 359 items.clear(); 360 } finally { 361 c.close(); 362 } 363 364 return items; 365 } 366 367 /** 368 * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. 369 */ 370 FolderInfo getFolderById(Context context, HashMap<Long,FolderInfo> folderList, long id) { 371 final ContentResolver cr = context.getContentResolver(); 372 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, 373 "_id=? and (itemType=? or itemType=?)", 374 new String[] { String.valueOf(id), 375 String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); 376 377 try { 378 if (c.moveToFirst()) { 379 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 380 final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); 381 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 382 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 383 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 384 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 385 386 FolderInfo folderInfo = null; 387 switch (c.getInt(itemTypeIndex)) { 388 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 389 folderInfo = findOrMakeFolder(folderList, id); 390 break; 391 } 392 393 folderInfo.title = c.getString(titleIndex); 394 folderInfo.id = id; 395 folderInfo.container = c.getInt(containerIndex); 396 folderInfo.screen = c.getInt(screenIndex); 397 folderInfo.cellX = c.getInt(cellXIndex); 398 folderInfo.cellY = c.getInt(cellYIndex); 399 400 return folderInfo; 401 } 402 } finally { 403 c.close(); 404 } 405 406 return null; 407 } 408 409 /** 410 * Add an item to the database in a specified container. Sets the container, screen, cellX and 411 * cellY fields of the item. Also assigns an ID to the item. 412 */ 413 static void addItemToDatabase(Context context, final ItemInfo item, final long container, 414 final int screen, final int cellX, final int cellY, final boolean notify) { 415 item.container = container; 416 item.cellX = cellX; 417 item.cellY = cellY; 418 // We store hotseat items in canonical form which is this orientation invariant position 419 // in the hotseat 420 if (context instanceof Launcher && screen < 0 && 421 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 422 item.screen = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 423 } else { 424 item.screen = screen; 425 } 426 427 final ContentValues values = new ContentValues(); 428 final ContentResolver cr = context.getContentResolver(); 429 item.onAddToDatabase(values); 430 431 LauncherApplication app = (LauncherApplication) context.getApplicationContext(); 432 item.id = app.getLauncherProvider().generateNewId(); 433 values.put(LauncherSettings.Favorites._ID, item.id); 434 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 435 436 Runnable r = new Runnable() { 437 public void run() { 438 cr.insert(notify ? LauncherSettings.Favorites.CONTENT_URI : 439 LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, values); 440 441 if (sItemsIdMap.containsKey(item.id)) { 442 // we should not be adding new items in the db with the same id 443 throw new RuntimeException("Error: ItemInfo id (" + item.id + ") passed to " + 444 "addItemToDatabase already exists." + item.toString()); 445 } 446 sItemsIdMap.put(item.id, item); 447 switch (item.itemType) { 448 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 449 sFolders.put(item.id, (FolderInfo) item); 450 // Fall through 451 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 452 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 453 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 454 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 455 sWorkspaceItems.add(item); 456 } 457 break; 458 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 459 sAppWidgets.add((LauncherAppWidgetInfo) item); 460 break; 461 } 462 } 463 }; 464 465 if (sWorkerThread.getThreadId() == Process.myTid()) { 466 r.run(); 467 } else { 468 sWorker.post(r); 469 } 470 } 471 472 /** 473 * Creates a new unique child id, for a given cell span across all layouts. 474 */ 475 static int getCellLayoutChildId( 476 long container, int screen, int localCellX, int localCellY, int spanX, int spanY) { 477 return (((int) container & 0xFF) << 24) 478 | (screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 479 } 480 481 static int getCellCountX() { 482 return mCellCountX; 483 } 484 485 static int getCellCountY() { 486 return mCellCountY; 487 } 488 489 /** 490 * Updates the model orientation helper to take into account the current layout dimensions 491 * when performing local/canonical coordinate transformations. 492 */ 493 static void updateWorkspaceLayoutCells(int shortAxisCellCount, int longAxisCellCount) { 494 mCellCountX = shortAxisCellCount; 495 mCellCountY = longAxisCellCount; 496 } 497 498 /** 499 * Removes the specified item from the database 500 * @param context 501 * @param item 502 */ 503 static void deleteItemFromDatabase(Context context, final ItemInfo item) { 504 final ContentResolver cr = context.getContentResolver(); 505 final Uri uriToDelete = LauncherSettings.Favorites.getContentUri(item.id, false); 506 Runnable r = new Runnable() { 507 public void run() { 508 cr.delete(uriToDelete, null, null); 509 switch (item.itemType) { 510 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 511 sFolders.remove(item.id); 512 sWorkspaceItems.remove(item); 513 break; 514 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 515 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 516 sWorkspaceItems.remove(item); 517 break; 518 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 519 sAppWidgets.remove((LauncherAppWidgetInfo) item); 520 break; 521 } 522 sItemsIdMap.remove(item.id); 523 sDbIconCache.remove(item); 524 } 525 }; 526 if (sWorkerThread.getThreadId() == Process.myTid()) { 527 r.run(); 528 } else { 529 sWorker.post(r); 530 } 531 } 532 533 /** 534 * Remove the contents of the specified folder from the database 535 */ 536 static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { 537 final ContentResolver cr = context.getContentResolver(); 538 539 Runnable r = new Runnable() { 540 public void run() { 541 cr.delete(LauncherSettings.Favorites.getContentUri(info.id, false), null, null); 542 sItemsIdMap.remove(info.id); 543 sFolders.remove(info.id); 544 sDbIconCache.remove(info); 545 sWorkspaceItems.remove(info); 546 547 cr.delete(LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, 548 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 549 for (ItemInfo childInfo : info.contents) { 550 sItemsIdMap.remove(childInfo.id); 551 sDbIconCache.remove(childInfo); 552 } 553 } 554 }; 555 if (sWorkerThread.getThreadId() == Process.myTid()) { 556 r.run(); 557 } else { 558 sWorker.post(r); 559 } 560 } 561 562 /** 563 * Set this as the current Launcher activity object for the loader. 564 */ 565 public void initialize(Callbacks callbacks) { 566 synchronized (mLock) { 567 mCallbacks = new WeakReference<Callbacks>(callbacks); 568 } 569 } 570 571 /** 572 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 573 * ACTION_PACKAGE_CHANGED. 574 */ 575 @Override 576 public void onReceive(Context context, Intent intent) { 577 if (DEBUG_LOADERS) Log.d(TAG, "onReceive intent=" + intent); 578 579 final String action = intent.getAction(); 580 581 if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 582 || Intent.ACTION_PACKAGE_REMOVED.equals(action) 583 || Intent.ACTION_PACKAGE_ADDED.equals(action)) { 584 final String packageName = intent.getData().getSchemeSpecificPart(); 585 final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 586 587 int op = PackageUpdatedTask.OP_NONE; 588 589 if (packageName == null || packageName.length() == 0) { 590 // they sent us a bad intent 591 return; 592 } 593 594 if (Intent.ACTION_PACKAGE_CHANGED.equals(action)) { 595 op = PackageUpdatedTask.OP_UPDATE; 596 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { 597 if (!replacing) { 598 op = PackageUpdatedTask.OP_REMOVE; 599 } 600 // else, we are replacing the package, so a PACKAGE_ADDED will be sent 601 // later, we will update the package at this time 602 } else if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { 603 if (!replacing) { 604 op = PackageUpdatedTask.OP_ADD; 605 } else { 606 op = PackageUpdatedTask.OP_UPDATE; 607 } 608 } 609 610 if (op != PackageUpdatedTask.OP_NONE) { 611 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName })); 612 } 613 614 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(action)) { 615 // First, schedule to add these apps back in. 616 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 617 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packages)); 618 // Then, rebind everything. 619 startLoaderFromBackground(); 620 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 621 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 622 enqueuePackageUpdated(new PackageUpdatedTask( 623 PackageUpdatedTask.OP_UNAVAILABLE, packages)); 624 } else if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 625 // If we have changed locale we need to clear out the labels in all apps/workspace. 626 forceReload(); 627 } else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) { 628 // Check if configuration change was an mcc/mnc change which would affect app resources 629 // and we would need to clear out the labels in all apps/workspace. Same handling as 630 // above for ACTION_LOCALE_CHANGED 631 Configuration currentConfig = context.getResources().getConfiguration(); 632 if (mPreviousConfigMcc != currentConfig.mcc) { 633 Log.d(TAG, "Reload apps on config change. curr_mcc:" 634 + currentConfig.mcc + " prevmcc:" + mPreviousConfigMcc); 635 forceReload(); 636 } 637 // Update previousConfig 638 mPreviousConfigMcc = currentConfig.mcc; 639 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action) || 640 SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED.equals(action)) { 641 if (mCallbacks != null) { 642 Callbacks callbacks = mCallbacks.get(); 643 if (callbacks != null) { 644 callbacks.bindSearchablesChanged(); 645 } 646 } 647 } 648 } 649 650 private void forceReload() { 651 synchronized (mLock) { 652 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 653 // mWorkspaceLoaded to true later 654 stopLoaderLocked(); 655 mAllAppsLoaded = false; 656 mWorkspaceLoaded = false; 657 } 658 // Do this here because if the launcher activity is running it will be restarted. 659 // If it's not running startLoaderFromBackground will merely tell it that it needs 660 // to reload. 661 startLoaderFromBackground(); 662 } 663 664 /** 665 * When the launcher is in the background, it's possible for it to miss paired 666 * configuration changes. So whenever we trigger the loader from the background 667 * tell the launcher that it needs to re-run the loader when it comes back instead 668 * of doing it now. 669 */ 670 public void startLoaderFromBackground() { 671 boolean runLoader = false; 672 if (mCallbacks != null) { 673 Callbacks callbacks = mCallbacks.get(); 674 if (callbacks != null) { 675 // Only actually run the loader if they're not paused. 676 if (!callbacks.setLoadOnResume()) { 677 runLoader = true; 678 } 679 } 680 } 681 if (runLoader) { 682 startLoader(mApp, false); 683 } 684 } 685 686 // If there is already a loader task running, tell it to stop. 687 // returns true if isLaunching() was true on the old task 688 private boolean stopLoaderLocked() { 689 boolean isLaunching = false; 690 LoaderTask oldTask = mLoaderTask; 691 if (oldTask != null) { 692 if (oldTask.isLaunching()) { 693 isLaunching = true; 694 } 695 oldTask.stopLocked(); 696 } 697 return isLaunching; 698 } 699 700 public void startLoader(Context context, boolean isLaunching) { 701 synchronized (mLock) { 702 if (DEBUG_LOADERS) { 703 Log.d(TAG, "startLoader isLaunching=" + isLaunching); 704 } 705 706 // Don't bother to start the thread if we know it's not going to do anything 707 if (mCallbacks != null && mCallbacks.get() != null) { 708 // If there is already one running, tell it to stop. 709 // also, don't downgrade isLaunching if we're already running 710 isLaunching = isLaunching || stopLoaderLocked(); 711 mLoaderTask = new LoaderTask(context, isLaunching); 712 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 713 sWorker.post(mLoaderTask); 714 } 715 } 716 } 717 718 public void stopLoader() { 719 synchronized (mLock) { 720 if (mLoaderTask != null) { 721 mLoaderTask.stopLocked(); 722 } 723 } 724 } 725 726 public boolean isAllAppsLoaded() { 727 return mAllAppsLoaded; 728 } 729 730 /** 731 * Runnable for the thread that loads the contents of the launcher: 732 * - workspace icons 733 * - widgets 734 * - all apps icons 735 */ 736 private class LoaderTask implements Runnable { 737 private Context mContext; 738 private Thread mWaitThread; 739 private boolean mIsLaunching; 740 private boolean mStopped; 741 private boolean mLoadAndBindStepFinished; 742 private HashMap<Object, CharSequence> mLabelCache; 743 744 LoaderTask(Context context, boolean isLaunching) { 745 mContext = context; 746 mIsLaunching = isLaunching; 747 mLabelCache = new HashMap<Object, CharSequence>(); 748 } 749 750 boolean isLaunching() { 751 return mIsLaunching; 752 } 753 754 private void loadAndBindWorkspace() { 755 // Load the workspace 756 if (DEBUG_LOADERS) { 757 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 758 } 759 760 if (!mWorkspaceLoaded) { 761 loadWorkspace(); 762 synchronized (LoaderTask.this) { 763 if (mStopped) { 764 return; 765 } 766 mWorkspaceLoaded = true; 767 } 768 } 769 770 // Bind the workspace 771 bindWorkspace(); 772 } 773 774 private void waitForIdle() { 775 // Wait until the either we're stopped or the other threads are done. 776 // This way we don't start loading all apps until the workspace has settled 777 // down. 778 synchronized (LoaderTask.this) { 779 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 780 781 mHandler.postIdle(new Runnable() { 782 public void run() { 783 synchronized (LoaderTask.this) { 784 mLoadAndBindStepFinished = true; 785 if (DEBUG_LOADERS) { 786 Log.d(TAG, "done with previous binding step"); 787 } 788 LoaderTask.this.notify(); 789 } 790 } 791 }); 792 793 while (!mStopped && !mLoadAndBindStepFinished) { 794 try { 795 this.wait(); 796 } catch (InterruptedException ex) { 797 // Ignore 798 } 799 } 800 if (DEBUG_LOADERS) { 801 Log.d(TAG, "waited " 802 + (SystemClock.uptimeMillis()-workspaceWaitTime) 803 + "ms for previous step to finish binding"); 804 } 805 } 806 } 807 808 public void run() { 809 // Optimize for end-user experience: if the Launcher is up and // running with the 810 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 811 // workspace first (default). 812 final Callbacks cbk = mCallbacks.get(); 813 final boolean loadWorkspaceFirst = cbk != null ? (!cbk.isAllAppsVisible()) : true; 814 815 keep_running: { 816 // Elevate priority when Home launches for the first time to avoid 817 // starving at boot time. Staring at a blank home is not cool. 818 synchronized (mLock) { 819 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to " + 820 (mIsLaunching ? "DEFAULT" : "BACKGROUND")); 821 android.os.Process.setThreadPriority(mIsLaunching 822 ? Process.THREAD_PRIORITY_DEFAULT : Process.THREAD_PRIORITY_BACKGROUND); 823 } 824 if (loadWorkspaceFirst) { 825 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 826 loadAndBindWorkspace(); 827 } else { 828 if (DEBUG_LOADERS) Log.d(TAG, "step 1: special: loading all apps"); 829 loadAndBindAllApps(); 830 } 831 832 if (mStopped) { 833 break keep_running; 834 } 835 836 // Whew! Hard work done. Slow us down, and wait until the UI thread has 837 // settled down. 838 synchronized (mLock) { 839 if (mIsLaunching) { 840 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to BACKGROUND"); 841 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 842 } 843 } 844 waitForIdle(); 845 846 // second step 847 if (loadWorkspaceFirst) { 848 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 849 loadAndBindAllApps(); 850 } else { 851 if (DEBUG_LOADERS) Log.d(TAG, "step 2: special: loading workspace"); 852 loadAndBindWorkspace(); 853 } 854 855 // Restore the default thread priority after we are done loading items 856 synchronized (mLock) { 857 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 858 } 859 } 860 861 862 // Update the saved icons if necessary 863 if (DEBUG_LOADERS) Log.d(TAG, "Comparing loaded icons to database icons"); 864 for (Object key : sDbIconCache.keySet()) { 865 updateSavedIcon(mContext, (ShortcutInfo) key, sDbIconCache.get(key)); 866 } 867 sDbIconCache.clear(); 868 869 // Clear out this reference, otherwise we end up holding it until all of the 870 // callback runnables are done. 871 mContext = null; 872 873 synchronized (mLock) { 874 // If we are still the last one to be scheduled, remove ourselves. 875 if (mLoaderTask == this) { 876 mLoaderTask = null; 877 } 878 } 879 } 880 881 public void stopLocked() { 882 synchronized (LoaderTask.this) { 883 mStopped = true; 884 this.notify(); 885 } 886 } 887 888 /** 889 * Gets the callbacks object. If we've been stopped, or if the launcher object 890 * has somehow been garbage collected, return null instead. Pass in the Callbacks 891 * object that was around when the deferred message was scheduled, and if there's 892 * a new Callbacks object around then also return null. This will save us from 893 * calling onto it with data that will be ignored. 894 */ 895 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 896 synchronized (mLock) { 897 if (mStopped) { 898 return null; 899 } 900 901 if (mCallbacks == null) { 902 return null; 903 } 904 905 final Callbacks callbacks = mCallbacks.get(); 906 if (callbacks != oldCallbacks) { 907 return null; 908 } 909 if (callbacks == null) { 910 Log.w(TAG, "no mCallbacks"); 911 return null; 912 } 913 914 return callbacks; 915 } 916 } 917 918 // check & update map of what's occupied; used to discard overlapping/invalid items 919 private boolean checkItemPlacement(ItemInfo occupied[][][], ItemInfo item) { 920 int containerIndex = item.screen; 921 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 922 // Return early if we detect that an item is under the hotseat button 923 if (Hotseat.isAllAppsButtonRank(item.screen)) { 924 return false; 925 } 926 927 // We use the last index to refer to the hotseat and the screen as the rank, so 928 // test and update the occupied state accordingly 929 if (occupied[Launcher.SCREEN_COUNT][item.screen][0] != null) { 930 Log.e(TAG, "Error loading shortcut into hotseat " + item 931 + " into position (" + item.screen + ":" + item.cellX + "," + item.cellY 932 + ") occupied by " + occupied[Launcher.SCREEN_COUNT][item.screen][0]); 933 return false; 934 } else { 935 occupied[Launcher.SCREEN_COUNT][item.screen][0] = item; 936 return true; 937 } 938 } else if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { 939 // Skip further checking if it is not the hotseat or workspace container 940 return true; 941 } 942 943 // Check if any workspace icons overlap with each other 944 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 945 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 946 if (occupied[containerIndex][x][y] != null) { 947 Log.e(TAG, "Error loading shortcut " + item 948 + " into cell (" + containerIndex + "-" + item.screen + ":" 949 + x + "," + y 950 + ") occupied by " 951 + occupied[containerIndex][x][y]); 952 return false; 953 } 954 } 955 } 956 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 957 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 958 occupied[containerIndex][x][y] = item; 959 } 960 } 961 962 return true; 963 } 964 965 private void loadWorkspace() { 966 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 967 968 final Context context = mContext; 969 final ContentResolver contentResolver = context.getContentResolver(); 970 final PackageManager manager = context.getPackageManager(); 971 final AppWidgetManager widgets = AppWidgetManager.getInstance(context); 972 final boolean isSafeMode = manager.isSafeMode(); 973 974 sWorkspaceItems.clear(); 975 sAppWidgets.clear(); 976 sFolders.clear(); 977 sItemsIdMap.clear(); 978 sDbIconCache.clear(); 979 980 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 981 982 final Cursor c = contentResolver.query( 983 LauncherSettings.Favorites.CONTENT_URI, null, null, null, null); 984 985 // +1 for the hotseat (it can be larger than the workspace) 986 // Load workspace in reverse order to ensure that latest items are loaded first (and 987 // before any earlier duplicates) 988 final ItemInfo occupied[][][] = 989 new ItemInfo[Launcher.SCREEN_COUNT + 1][mCellCountX + 1][mCellCountY + 1]; 990 991 try { 992 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 993 final int intentIndex = c.getColumnIndexOrThrow 994 (LauncherSettings.Favorites.INTENT); 995 final int titleIndex = c.getColumnIndexOrThrow 996 (LauncherSettings.Favorites.TITLE); 997 final int iconTypeIndex = c.getColumnIndexOrThrow( 998 LauncherSettings.Favorites.ICON_TYPE); 999 final int iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON); 1000 final int iconPackageIndex = c.getColumnIndexOrThrow( 1001 LauncherSettings.Favorites.ICON_PACKAGE); 1002 final int iconResourceIndex = c.getColumnIndexOrThrow( 1003 LauncherSettings.Favorites.ICON_RESOURCE); 1004 final int containerIndex = c.getColumnIndexOrThrow( 1005 LauncherSettings.Favorites.CONTAINER); 1006 final int itemTypeIndex = c.getColumnIndexOrThrow( 1007 LauncherSettings.Favorites.ITEM_TYPE); 1008 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1009 LauncherSettings.Favorites.APPWIDGET_ID); 1010 final int screenIndex = c.getColumnIndexOrThrow( 1011 LauncherSettings.Favorites.SCREEN); 1012 final int cellXIndex = c.getColumnIndexOrThrow 1013 (LauncherSettings.Favorites.CELLX); 1014 final int cellYIndex = c.getColumnIndexOrThrow 1015 (LauncherSettings.Favorites.CELLY); 1016 final int spanXIndex = c.getColumnIndexOrThrow 1017 (LauncherSettings.Favorites.SPANX); 1018 final int spanYIndex = c.getColumnIndexOrThrow( 1019 LauncherSettings.Favorites.SPANY); 1020 final int uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI); 1021 final int displayModeIndex = c.getColumnIndexOrThrow( 1022 LauncherSettings.Favorites.DISPLAY_MODE); 1023 1024 ShortcutInfo info; 1025 String intentDescription; 1026 LauncherAppWidgetInfo appWidgetInfo; 1027 int container; 1028 long id; 1029 Intent intent; 1030 1031 while (!mStopped && c.moveToNext()) { 1032 try { 1033 int itemType = c.getInt(itemTypeIndex); 1034 1035 switch (itemType) { 1036 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1037 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1038 intentDescription = c.getString(intentIndex); 1039 try { 1040 intent = Intent.parseUri(intentDescription, 0); 1041 } catch (URISyntaxException e) { 1042 continue; 1043 } 1044 1045 if (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 1046 info = getShortcutInfo(manager, intent, context, c, iconIndex, 1047 titleIndex, mLabelCache); 1048 } else { 1049 info = getShortcutInfo(c, context, iconTypeIndex, 1050 iconPackageIndex, iconResourceIndex, iconIndex, 1051 titleIndex); 1052 } 1053 1054 if (info != null) { 1055 info.intent = intent; 1056 info.id = c.getLong(idIndex); 1057 container = c.getInt(containerIndex); 1058 info.container = container; 1059 info.screen = c.getInt(screenIndex); 1060 info.cellX = c.getInt(cellXIndex); 1061 info.cellY = c.getInt(cellYIndex); 1062 1063 // check & update map of what's occupied 1064 if (!checkItemPlacement(occupied, info)) { 1065 break; 1066 } 1067 1068 switch (container) { 1069 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1070 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1071 sWorkspaceItems.add(info); 1072 break; 1073 default: 1074 // Item is in a user folder 1075 FolderInfo folderInfo = 1076 findOrMakeFolder(sFolders, container); 1077 folderInfo.add(info); 1078 break; 1079 } 1080 sItemsIdMap.put(info.id, info); 1081 1082 // now that we've loaded everthing re-save it with the 1083 // icon in case it disappears somehow. 1084 queueIconToBeChecked(sDbIconCache, info, c, iconIndex); 1085 } else { 1086 // Failed to load the shortcut, probably because the 1087 // activity manager couldn't resolve it (maybe the app 1088 // was uninstalled), or the db row was somehow screwed up. 1089 // Delete it. 1090 id = c.getLong(idIndex); 1091 Log.e(TAG, "Error loading shortcut " + id + ", removing it"); 1092 contentResolver.delete(LauncherSettings.Favorites.getContentUri( 1093 id, false), null, null); 1094 } 1095 break; 1096 1097 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1098 id = c.getLong(idIndex); 1099 FolderInfo folderInfo = findOrMakeFolder(sFolders, id); 1100 1101 folderInfo.title = c.getString(titleIndex); 1102 folderInfo.id = id; 1103 container = c.getInt(containerIndex); 1104 folderInfo.container = container; 1105 folderInfo.screen = c.getInt(screenIndex); 1106 folderInfo.cellX = c.getInt(cellXIndex); 1107 folderInfo.cellY = c.getInt(cellYIndex); 1108 1109 // check & update map of what's occupied 1110 if (!checkItemPlacement(occupied, folderInfo)) { 1111 break; 1112 } 1113 switch (container) { 1114 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1115 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1116 sWorkspaceItems.add(folderInfo); 1117 break; 1118 } 1119 1120 sItemsIdMap.put(folderInfo.id, folderInfo); 1121 sFolders.put(folderInfo.id, folderInfo); 1122 break; 1123 1124 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1125 // Read all Launcher-specific widget details 1126 int appWidgetId = c.getInt(appWidgetIdIndex); 1127 id = c.getLong(idIndex); 1128 1129 final AppWidgetProviderInfo provider = 1130 widgets.getAppWidgetInfo(appWidgetId); 1131 1132 if (!isSafeMode && (provider == null || provider.provider == null || 1133 provider.provider.getPackageName() == null)) { 1134 String log = "Deleting widget that isn't installed anymore: id=" 1135 + id + " appWidgetId=" + appWidgetId; 1136 Log.e(TAG, log); 1137 Launcher.sDumpLogs.add(log); 1138 itemsToRemove.add(id); 1139 } else { 1140 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId); 1141 appWidgetInfo.id = id; 1142 appWidgetInfo.screen = c.getInt(screenIndex); 1143 appWidgetInfo.cellX = c.getInt(cellXIndex); 1144 appWidgetInfo.cellY = c.getInt(cellYIndex); 1145 appWidgetInfo.spanX = c.getInt(spanXIndex); 1146 appWidgetInfo.spanY = c.getInt(spanYIndex); 1147 1148 container = c.getInt(containerIndex); 1149 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 1150 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1151 Log.e(TAG, "Widget found where container " 1152 + "!= CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 1153 continue; 1154 } 1155 appWidgetInfo.container = c.getInt(containerIndex); 1156 1157 // check & update map of what's occupied 1158 if (!checkItemPlacement(occupied, appWidgetInfo)) { 1159 break; 1160 } 1161 sItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 1162 sAppWidgets.add(appWidgetInfo); 1163 } 1164 break; 1165 } 1166 } catch (Exception e) { 1167 Log.w(TAG, "Desktop items loading interrupted:", e); 1168 } 1169 } 1170 } finally { 1171 c.close(); 1172 } 1173 1174 if (itemsToRemove.size() > 0) { 1175 ContentProviderClient client = contentResolver.acquireContentProviderClient( 1176 LauncherSettings.Favorites.CONTENT_URI); 1177 // Remove dead items 1178 for (long id : itemsToRemove) { 1179 if (DEBUG_LOADERS) { 1180 Log.d(TAG, "Removed id = " + id); 1181 } 1182 // Don't notify content observers 1183 try { 1184 client.delete(LauncherSettings.Favorites.getContentUri(id, false), 1185 null, null); 1186 } catch (RemoteException e) { 1187 Log.w(TAG, "Could not remove id = " + id); 1188 } 1189 } 1190 } 1191 1192 if (DEBUG_LOADERS) { 1193 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 1194 Log.d(TAG, "workspace layout: "); 1195 for (int y = 0; y < mCellCountY; y++) { 1196 String line = ""; 1197 for (int s = 0; s < Launcher.SCREEN_COUNT; s++) { 1198 if (s > 0) { 1199 line += " | "; 1200 } 1201 for (int x = 0; x < mCellCountX; x++) { 1202 line += ((occupied[s][x][y] != null) ? "#" : "."); 1203 } 1204 } 1205 Log.d(TAG, "[ " + line + " ]"); 1206 } 1207 } 1208 } 1209 1210 /** 1211 * Read everything out of our database. 1212 */ 1213 private void bindWorkspace() { 1214 final long t = SystemClock.uptimeMillis(); 1215 1216 // Don't use these two variables in any of the callback runnables. 1217 // Otherwise we hold a reference to them. 1218 final Callbacks oldCallbacks = mCallbacks.get(); 1219 if (oldCallbacks == null) { 1220 // This launcher has exited and nobody bothered to tell us. Just bail. 1221 Log.w(TAG, "LoaderTask running with no launcher"); 1222 return; 1223 } 1224 1225 int N; 1226 // Tell the workspace that we're about to start firing items at it 1227 mHandler.post(new Runnable() { 1228 public void run() { 1229 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1230 if (callbacks != null) { 1231 callbacks.startBinding(); 1232 } 1233 } 1234 }); 1235 1236 final ArrayList<ItemInfo> workspaceItems = unbindWorkspaceItemsOnMainThread(); 1237 1238 // Add the items to the workspace. 1239 N = workspaceItems.size(); 1240 for (int i=0; i<N; i+=ITEMS_CHUNK) { 1241 final int start = i; 1242 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 1243 mHandler.post(new Runnable() { 1244 public void run() { 1245 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1246 if (callbacks != null) { 1247 callbacks.bindItems(workspaceItems, start, start+chunkSize); 1248 } 1249 } 1250 }); 1251 } 1252 // Ensure that we don't use the same folders data structure on the main thread 1253 final HashMap<Long, FolderInfo> folders = new HashMap<Long, FolderInfo>(sFolders); 1254 mHandler.post(new Runnable() { 1255 public void run() { 1256 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1257 if (callbacks != null) { 1258 callbacks.bindFolders(folders); 1259 } 1260 } 1261 }); 1262 // Wait until the queue goes empty. 1263 mHandler.post(new Runnable() { 1264 public void run() { 1265 if (DEBUG_LOADERS) { 1266 Log.d(TAG, "Going to start binding widgets soon."); 1267 } 1268 } 1269 }); 1270 // Bind the widgets, one at a time. 1271 // WARNING: this is calling into the workspace from the background thread, 1272 // but since getCurrentScreen() just returns the int, we should be okay. This 1273 // is just a hint for the order, and if it's wrong, we'll be okay. 1274 // TODO: instead, we should have that push the current screen into here. 1275 final int currentScreen = oldCallbacks.getCurrentWorkspaceScreen(); 1276 N = sAppWidgets.size(); 1277 // once for the current screen 1278 for (int i=0; i<N; i++) { 1279 final LauncherAppWidgetInfo widget = sAppWidgets.get(i); 1280 if (widget.screen == currentScreen) { 1281 mHandler.post(new Runnable() { 1282 public void run() { 1283 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1284 if (callbacks != null) { 1285 callbacks.bindAppWidget(widget); 1286 } 1287 } 1288 }); 1289 } 1290 } 1291 // once for the other screens 1292 for (int i=0; i<N; i++) { 1293 final LauncherAppWidgetInfo widget = sAppWidgets.get(i); 1294 if (widget.screen != currentScreen) { 1295 mHandler.post(new Runnable() { 1296 public void run() { 1297 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1298 if (callbacks != null) { 1299 callbacks.bindAppWidget(widget); 1300 } 1301 } 1302 }); 1303 } 1304 } 1305 // Tell the workspace that we're done. 1306 mHandler.post(new Runnable() { 1307 public void run() { 1308 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1309 if (callbacks != null) { 1310 callbacks.finishBindingItems(); 1311 } 1312 } 1313 }); 1314 // If we're profiling, this is the last thing in the queue. 1315 mHandler.post(new Runnable() { 1316 public void run() { 1317 if (DEBUG_LOADERS) { 1318 Log.d(TAG, "bound workspace in " 1319 + (SystemClock.uptimeMillis()-t) + "ms"); 1320 } 1321 } 1322 }); 1323 } 1324 1325 private void loadAndBindAllApps() { 1326 if (DEBUG_LOADERS) { 1327 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 1328 } 1329 if (!mAllAppsLoaded) { 1330 loadAllAppsByBatch(); 1331 synchronized (LoaderTask.this) { 1332 if (mStopped) { 1333 return; 1334 } 1335 mAllAppsLoaded = true; 1336 } 1337 } else { 1338 onlyBindAllApps(); 1339 } 1340 } 1341 1342 private void onlyBindAllApps() { 1343 final Callbacks oldCallbacks = mCallbacks.get(); 1344 if (oldCallbacks == null) { 1345 // This launcher has exited and nobody bothered to tell us. Just bail. 1346 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 1347 return; 1348 } 1349 1350 // shallow copy 1351 final ArrayList<ApplicationInfo> list 1352 = (ArrayList<ApplicationInfo>) mAllAppsList.data.clone(); 1353 mHandler.post(new Runnable() { 1354 public void run() { 1355 final long t = SystemClock.uptimeMillis(); 1356 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1357 if (callbacks != null) { 1358 callbacks.bindAllApplications(list); 1359 } 1360 if (DEBUG_LOADERS) { 1361 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 1362 + (SystemClock.uptimeMillis()-t) + "ms"); 1363 } 1364 } 1365 }); 1366 1367 } 1368 1369 private void loadAllAppsByBatch() { 1370 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1371 1372 // Don't use these two variables in any of the callback runnables. 1373 // Otherwise we hold a reference to them. 1374 final Callbacks oldCallbacks = mCallbacks.get(); 1375 if (oldCallbacks == null) { 1376 // This launcher has exited and nobody bothered to tell us. Just bail. 1377 Log.w(TAG, "LoaderTask running with no launcher (loadAllAppsByBatch)"); 1378 return; 1379 } 1380 1381 final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1382 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1383 1384 final PackageManager packageManager = mContext.getPackageManager(); 1385 List<ResolveInfo> apps = null; 1386 1387 int N = Integer.MAX_VALUE; 1388 1389 int startIndex; 1390 int i=0; 1391 int batchSize = -1; 1392 while (i < N && !mStopped) { 1393 if (i == 0) { 1394 mAllAppsList.clear(); 1395 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1396 apps = packageManager.queryIntentActivities(mainIntent, 0); 1397 if (DEBUG_LOADERS) { 1398 Log.d(TAG, "queryIntentActivities took " 1399 + (SystemClock.uptimeMillis()-qiaTime) + "ms"); 1400 } 1401 if (apps == null) { 1402 return; 1403 } 1404 N = apps.size(); 1405 if (DEBUG_LOADERS) { 1406 Log.d(TAG, "queryIntentActivities got " + N + " apps"); 1407 } 1408 if (N == 0) { 1409 // There are no apps?!? 1410 return; 1411 } 1412 if (mBatchSize == 0) { 1413 batchSize = N; 1414 } else { 1415 batchSize = mBatchSize; 1416 } 1417 1418 final long sortTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1419 Collections.sort(apps, 1420 new LauncherModel.ShortcutNameComparator(packageManager, mLabelCache)); 1421 if (DEBUG_LOADERS) { 1422 Log.d(TAG, "sort took " 1423 + (SystemClock.uptimeMillis()-sortTime) + "ms"); 1424 } 1425 } 1426 1427 final long t2 = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1428 1429 startIndex = i; 1430 for (int j=0; i<N && j<batchSize; j++) { 1431 // This builds the icon bitmaps. 1432 mAllAppsList.add(new ApplicationInfo(packageManager, apps.get(i), 1433 mIconCache, mLabelCache)); 1434 i++; 1435 } 1436 1437 final boolean first = i <= batchSize; 1438 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1439 final ArrayList<ApplicationInfo> added = mAllAppsList.added; 1440 mAllAppsList.added = new ArrayList<ApplicationInfo>(); 1441 1442 mHandler.post(new Runnable() { 1443 public void run() { 1444 final long t = SystemClock.uptimeMillis(); 1445 if (callbacks != null) { 1446 if (first) { 1447 callbacks.bindAllApplications(added); 1448 } else { 1449 callbacks.bindAppsAdded(added); 1450 } 1451 if (DEBUG_LOADERS) { 1452 Log.d(TAG, "bound " + added.size() + " apps in " 1453 + (SystemClock.uptimeMillis() - t) + "ms"); 1454 } 1455 } else { 1456 Log.i(TAG, "not binding apps: no Launcher activity"); 1457 } 1458 } 1459 }); 1460 1461 if (DEBUG_LOADERS) { 1462 Log.d(TAG, "batch of " + (i-startIndex) + " icons processed in " 1463 + (SystemClock.uptimeMillis()-t2) + "ms"); 1464 } 1465 1466 if (mAllAppsLoadDelay > 0 && i < N) { 1467 try { 1468 if (DEBUG_LOADERS) { 1469 Log.d(TAG, "sleeping for " + mAllAppsLoadDelay + "ms"); 1470 } 1471 Thread.sleep(mAllAppsLoadDelay); 1472 } catch (InterruptedException exc) { } 1473 } 1474 } 1475 1476 if (DEBUG_LOADERS) { 1477 Log.d(TAG, "cached all " + N + " apps in " 1478 + (SystemClock.uptimeMillis()-t) + "ms" 1479 + (mAllAppsLoadDelay > 0 ? " (including delay)" : "")); 1480 } 1481 } 1482 1483 public void dumpState() { 1484 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 1485 Log.d(TAG, "mLoaderTask.mWaitThread=" + mWaitThread); 1486 Log.d(TAG, "mLoaderTask.mIsLaunching=" + mIsLaunching); 1487 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 1488 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 1489 Log.d(TAG, "mItems size=" + sWorkspaceItems.size()); 1490 } 1491 } 1492 1493 void enqueuePackageUpdated(PackageUpdatedTask task) { 1494 sWorker.post(task); 1495 } 1496 1497 private class PackageUpdatedTask implements Runnable { 1498 int mOp; 1499 String[] mPackages; 1500 1501 public static final int OP_NONE = 0; 1502 public static final int OP_ADD = 1; 1503 public static final int OP_UPDATE = 2; 1504 public static final int OP_REMOVE = 3; // uninstlled 1505 public static final int OP_UNAVAILABLE = 4; // external media unmounted 1506 1507 1508 public PackageUpdatedTask(int op, String[] packages) { 1509 mOp = op; 1510 mPackages = packages; 1511 } 1512 1513 public void run() { 1514 final Context context = mApp; 1515 1516 final String[] packages = mPackages; 1517 final int N = packages.length; 1518 switch (mOp) { 1519 case OP_ADD: 1520 for (int i=0; i<N; i++) { 1521 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 1522 mAllAppsList.addPackage(context, packages[i]); 1523 } 1524 break; 1525 case OP_UPDATE: 1526 for (int i=0; i<N; i++) { 1527 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 1528 mAllAppsList.updatePackage(context, packages[i]); 1529 } 1530 break; 1531 case OP_REMOVE: 1532 case OP_UNAVAILABLE: 1533 for (int i=0; i<N; i++) { 1534 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 1535 mAllAppsList.removePackage(packages[i]); 1536 } 1537 break; 1538 } 1539 1540 ArrayList<ApplicationInfo> added = null; 1541 ArrayList<ApplicationInfo> removed = null; 1542 ArrayList<ApplicationInfo> modified = null; 1543 1544 if (mAllAppsList.added.size() > 0) { 1545 added = mAllAppsList.added; 1546 mAllAppsList.added = new ArrayList<ApplicationInfo>(); 1547 } 1548 if (mAllAppsList.removed.size() > 0) { 1549 removed = mAllAppsList.removed; 1550 mAllAppsList.removed = new ArrayList<ApplicationInfo>(); 1551 for (ApplicationInfo info: removed) { 1552 mIconCache.remove(info.intent.getComponent()); 1553 } 1554 } 1555 if (mAllAppsList.modified.size() > 0) { 1556 modified = mAllAppsList.modified; 1557 mAllAppsList.modified = new ArrayList<ApplicationInfo>(); 1558 } 1559 1560 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 1561 if (callbacks == null) { 1562 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 1563 return; 1564 } 1565 1566 if (added != null) { 1567 final ArrayList<ApplicationInfo> addedFinal = added; 1568 mHandler.post(new Runnable() { 1569 public void run() { 1570 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 1571 if (callbacks == cb && cb != null) { 1572 callbacks.bindAppsAdded(addedFinal); 1573 } 1574 } 1575 }); 1576 } 1577 if (modified != null) { 1578 final ArrayList<ApplicationInfo> modifiedFinal = modified; 1579 mHandler.post(new Runnable() { 1580 public void run() { 1581 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 1582 if (callbacks == cb && cb != null) { 1583 callbacks.bindAppsUpdated(modifiedFinal); 1584 } 1585 } 1586 }); 1587 } 1588 if (removed != null) { 1589 final boolean permanent = mOp != OP_UNAVAILABLE; 1590 final ArrayList<ApplicationInfo> removedFinal = removed; 1591 mHandler.post(new Runnable() { 1592 public void run() { 1593 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 1594 if (callbacks == cb && cb != null) { 1595 callbacks.bindAppsRemoved(removedFinal, permanent); 1596 } 1597 } 1598 }); 1599 } 1600 1601 mHandler.post(new Runnable() { 1602 @Override 1603 public void run() { 1604 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 1605 if (callbacks == cb && cb != null) { 1606 callbacks.bindPackagesUpdated(); 1607 } 1608 } 1609 }); 1610 } 1611 } 1612 1613 /** 1614 * This is called from the code that adds shortcuts from the intent receiver. This 1615 * doesn't have a Cursor, but 1616 */ 1617 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context) { 1618 return getShortcutInfo(manager, intent, context, null, -1, -1, null); 1619 } 1620 1621 /** 1622 * Make an ShortcutInfo object for a shortcut that is an application. 1623 * 1624 * If c is not null, then it will be used to fill in missing data like the title and icon. 1625 */ 1626 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context, 1627 Cursor c, int iconIndex, int titleIndex, HashMap<Object, CharSequence> labelCache) { 1628 Bitmap icon = null; 1629 final ShortcutInfo info = new ShortcutInfo(); 1630 1631 ComponentName componentName = intent.getComponent(); 1632 if (componentName == null) { 1633 return null; 1634 } 1635 1636 try { 1637 PackageInfo pi = manager.getPackageInfo(componentName.getPackageName(), 0); 1638 if (!pi.applicationInfo.enabled) { 1639 // If we return null here, the corresponding item will be removed from the launcher 1640 // db and will not appear in the workspace. 1641 return null; 1642 } 1643 } catch (NameNotFoundException e) { 1644 Log.d(TAG, "getPackInfo failed for package " + componentName.getPackageName()); 1645 } 1646 1647 // TODO: See if the PackageManager knows about this case. If it doesn't 1648 // then return null & delete this. 1649 1650 // the resource -- This may implicitly give us back the fallback icon, 1651 // but don't worry about that. All we're doing with usingFallbackIcon is 1652 // to avoid saving lots of copies of that in the database, and most apps 1653 // have icons anyway. 1654 final ResolveInfo resolveInfo = manager.resolveActivity(intent, 0); 1655 if (resolveInfo != null) { 1656 icon = mIconCache.getIcon(componentName, resolveInfo, labelCache); 1657 } 1658 // the db 1659 if (icon == null) { 1660 if (c != null) { 1661 icon = getIconFromCursor(c, iconIndex, context); 1662 } 1663 } 1664 // the fallback icon 1665 if (icon == null) { 1666 icon = getFallbackIcon(); 1667 info.usingFallbackIcon = true; 1668 } 1669 info.setIcon(icon); 1670 1671 // from the resource 1672 if (resolveInfo != null) { 1673 ComponentName key = LauncherModel.getComponentNameFromResolveInfo(resolveInfo); 1674 if (labelCache != null && labelCache.containsKey(key)) { 1675 info.title = labelCache.get(key); 1676 } else { 1677 info.title = resolveInfo.activityInfo.loadLabel(manager); 1678 if (labelCache != null) { 1679 labelCache.put(key, info.title); 1680 } 1681 } 1682 } 1683 // from the db 1684 if (info.title == null) { 1685 if (c != null) { 1686 info.title = c.getString(titleIndex); 1687 } 1688 } 1689 // fall back to the class name of the activity 1690 if (info.title == null) { 1691 info.title = componentName.getClassName(); 1692 } 1693 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 1694 return info; 1695 } 1696 1697 /** 1698 * Make an ShortcutInfo object for a shortcut that isn't an application. 1699 */ 1700 private ShortcutInfo getShortcutInfo(Cursor c, Context context, 1701 int iconTypeIndex, int iconPackageIndex, int iconResourceIndex, int iconIndex, 1702 int titleIndex) { 1703 1704 Bitmap icon = null; 1705 final ShortcutInfo info = new ShortcutInfo(); 1706 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 1707 1708 // TODO: If there's an explicit component and we can't install that, delete it. 1709 1710 info.title = c.getString(titleIndex); 1711 1712 int iconType = c.getInt(iconTypeIndex); 1713 switch (iconType) { 1714 case LauncherSettings.Favorites.ICON_TYPE_RESOURCE: 1715 String packageName = c.getString(iconPackageIndex); 1716 String resourceName = c.getString(iconResourceIndex); 1717 PackageManager packageManager = context.getPackageManager(); 1718 info.customIcon = false; 1719 // the resource 1720 try { 1721 Resources resources = packageManager.getResourcesForApplication(packageName); 1722 if (resources != null) { 1723 final int id = resources.getIdentifier(resourceName, null, null); 1724 icon = Utilities.createIconBitmap( 1725 mIconCache.getFullResIcon(resources, id), context); 1726 } 1727 } catch (Exception e) { 1728 // drop this. we have other places to look for icons 1729 } 1730 // the db 1731 if (icon == null) { 1732 icon = getIconFromCursor(c, iconIndex, context); 1733 } 1734 // the fallback icon 1735 if (icon == null) { 1736 icon = getFallbackIcon(); 1737 info.usingFallbackIcon = true; 1738 } 1739 break; 1740 case LauncherSettings.Favorites.ICON_TYPE_BITMAP: 1741 icon = getIconFromCursor(c, iconIndex, context); 1742 if (icon == null) { 1743 icon = getFallbackIcon(); 1744 info.customIcon = false; 1745 info.usingFallbackIcon = true; 1746 } else { 1747 info.customIcon = true; 1748 } 1749 break; 1750 default: 1751 icon = getFallbackIcon(); 1752 info.usingFallbackIcon = true; 1753 info.customIcon = false; 1754 break; 1755 } 1756 info.setIcon(icon); 1757 return info; 1758 } 1759 1760 Bitmap getIconFromCursor(Cursor c, int iconIndex, Context context) { 1761 if (false) { 1762 Log.d(TAG, "getIconFromCursor app=" 1763 + c.getString(c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE))); 1764 } 1765 byte[] data = c.getBlob(iconIndex); 1766 try { 1767 return Utilities.createIconBitmap( 1768 BitmapFactory.decodeByteArray(data, 0, data.length), context); 1769 } catch (Exception e) { 1770 return null; 1771 } 1772 } 1773 1774 ShortcutInfo addShortcut(Context context, Intent data, long container, int screen, 1775 int cellX, int cellY, boolean notify) { 1776 final ShortcutInfo info = infoFromShortcutIntent(context, data, null); 1777 if (info == null) { 1778 return null; 1779 } 1780 addItemToDatabase(context, info, container, screen, cellX, cellY, notify); 1781 1782 return info; 1783 } 1784 1785 /** 1786 * Attempts to find an AppWidgetProviderInfo that matches the given component. 1787 */ 1788 AppWidgetProviderInfo findAppWidgetProviderInfoWithComponent(Context context, 1789 ComponentName component) { 1790 List<AppWidgetProviderInfo> widgets = 1791 AppWidgetManager.getInstance(context).getInstalledProviders(); 1792 for (AppWidgetProviderInfo info : widgets) { 1793 if (info.provider.equals(component)) { 1794 return info; 1795 } 1796 } 1797 return null; 1798 } 1799 1800 /** 1801 * Returns a list of all the widgets that can handle configuration with a particular mimeType. 1802 */ 1803 List<WidgetMimeTypeHandlerData> resolveWidgetsForMimeType(Context context, String mimeType) { 1804 final PackageManager packageManager = context.getPackageManager(); 1805 final List<WidgetMimeTypeHandlerData> supportedConfigurationActivities = 1806 new ArrayList<WidgetMimeTypeHandlerData>(); 1807 1808 final Intent supportsIntent = 1809 new Intent(InstallWidgetReceiver.ACTION_SUPPORTS_CLIPDATA_MIMETYPE); 1810 supportsIntent.setType(mimeType); 1811 1812 // Create a set of widget configuration components that we can test against 1813 final List<AppWidgetProviderInfo> widgets = 1814 AppWidgetManager.getInstance(context).getInstalledProviders(); 1815 final HashMap<ComponentName, AppWidgetProviderInfo> configurationComponentToWidget = 1816 new HashMap<ComponentName, AppWidgetProviderInfo>(); 1817 for (AppWidgetProviderInfo info : widgets) { 1818 configurationComponentToWidget.put(info.configure, info); 1819 } 1820 1821 // Run through each of the intents that can handle this type of clip data, and cross 1822 // reference them with the components that are actual configuration components 1823 final List<ResolveInfo> activities = packageManager.queryIntentActivities(supportsIntent, 1824 PackageManager.MATCH_DEFAULT_ONLY); 1825 for (ResolveInfo info : activities) { 1826 final ActivityInfo activityInfo = info.activityInfo; 1827 final ComponentName infoComponent = new ComponentName(activityInfo.packageName, 1828 activityInfo.name); 1829 if (configurationComponentToWidget.containsKey(infoComponent)) { 1830 supportedConfigurationActivities.add( 1831 new InstallWidgetReceiver.WidgetMimeTypeHandlerData(info, 1832 configurationComponentToWidget.get(infoComponent))); 1833 } 1834 } 1835 return supportedConfigurationActivities; 1836 } 1837 1838 ShortcutInfo infoFromShortcutIntent(Context context, Intent data, Bitmap fallbackIcon) { 1839 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 1840 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 1841 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 1842 1843 if (intent == null) { 1844 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 1845 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 1846 return null; 1847 } 1848 1849 Bitmap icon = null; 1850 boolean customIcon = false; 1851 ShortcutIconResource iconResource = null; 1852 1853 if (bitmap != null && bitmap instanceof Bitmap) { 1854 icon = Utilities.createIconBitmap(new FastBitmapDrawable((Bitmap)bitmap), context); 1855 customIcon = true; 1856 } else { 1857 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 1858 if (extra != null && extra instanceof ShortcutIconResource) { 1859 try { 1860 iconResource = (ShortcutIconResource) extra; 1861 final PackageManager packageManager = context.getPackageManager(); 1862 Resources resources = packageManager.getResourcesForApplication( 1863 iconResource.packageName); 1864 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 1865 icon = Utilities.createIconBitmap( 1866 mIconCache.getFullResIcon(resources, id), context); 1867 } catch (Exception e) { 1868 Log.w(TAG, "Could not load shortcut icon: " + extra); 1869 } 1870 } 1871 } 1872 1873 final ShortcutInfo info = new ShortcutInfo(); 1874 1875 if (icon == null) { 1876 if (fallbackIcon != null) { 1877 icon = fallbackIcon; 1878 } else { 1879 icon = getFallbackIcon(); 1880 info.usingFallbackIcon = true; 1881 } 1882 } 1883 info.setIcon(icon); 1884 1885 info.title = name; 1886 info.intent = intent; 1887 info.customIcon = customIcon; 1888 info.iconResource = iconResource; 1889 1890 return info; 1891 } 1892 1893 boolean queueIconToBeChecked(HashMap<Object, byte[]> cache, ShortcutInfo info, Cursor c, 1894 int iconIndex) { 1895 // If apps can't be on SD, don't even bother. 1896 if (!mAppsCanBeOnExternalStorage) { 1897 return false; 1898 } 1899 // If this icon doesn't have a custom icon, check to see 1900 // what's stored in the DB, and if it doesn't match what 1901 // we're going to show, store what we are going to show back 1902 // into the DB. We do this so when we're loading, if the 1903 // package manager can't find an icon (for example because 1904 // the app is on SD) then we can use that instead. 1905 if (!info.customIcon && !info.usingFallbackIcon) { 1906 cache.put(info, c.getBlob(iconIndex)); 1907 return true; 1908 } 1909 return false; 1910 } 1911 void updateSavedIcon(Context context, ShortcutInfo info, byte[] data) { 1912 boolean needSave = false; 1913 try { 1914 if (data != null) { 1915 Bitmap saved = BitmapFactory.decodeByteArray(data, 0, data.length); 1916 Bitmap loaded = info.getIcon(mIconCache); 1917 needSave = !saved.sameAs(loaded); 1918 } else { 1919 needSave = true; 1920 } 1921 } catch (Exception e) { 1922 needSave = true; 1923 } 1924 if (needSave) { 1925 Log.d(TAG, "going to save icon bitmap for info=" + info); 1926 // This is slower than is ideal, but this only happens once 1927 // or when the app is updated with a new icon. 1928 updateItemInDatabase(context, info); 1929 } 1930 } 1931 1932 /** 1933 * Return an existing FolderInfo object if we have encountered this ID previously, 1934 * or make a new one. 1935 */ 1936 private static FolderInfo findOrMakeFolder(HashMap<Long, FolderInfo> folders, long id) { 1937 // See if a placeholder was created for us already 1938 FolderInfo folderInfo = folders.get(id); 1939 if (folderInfo == null) { 1940 // No placeholder -- create a new instance 1941 folderInfo = new FolderInfo(); 1942 folders.put(id, folderInfo); 1943 } 1944 return folderInfo; 1945 } 1946 1947 private static final Collator sCollator = Collator.getInstance(); 1948 public static final Comparator<ApplicationInfo> APP_NAME_COMPARATOR 1949 = new Comparator<ApplicationInfo>() { 1950 public final int compare(ApplicationInfo a, ApplicationInfo b) { 1951 int result = sCollator.compare(a.title.toString(), b.title.toString()); 1952 if (result == 0) { 1953 result = a.componentName.compareTo(b.componentName); 1954 } 1955 return result; 1956 } 1957 }; 1958 public static final Comparator<ApplicationInfo> APP_INSTALL_TIME_COMPARATOR 1959 = new Comparator<ApplicationInfo>() { 1960 public final int compare(ApplicationInfo a, ApplicationInfo b) { 1961 if (a.firstInstallTime < b.firstInstallTime) return 1; 1962 if (a.firstInstallTime > b.firstInstallTime) return -1; 1963 return 0; 1964 } 1965 }; 1966 public static final Comparator<AppWidgetProviderInfo> WIDGET_NAME_COMPARATOR 1967 = new Comparator<AppWidgetProviderInfo>() { 1968 public final int compare(AppWidgetProviderInfo a, AppWidgetProviderInfo b) { 1969 return sCollator.compare(a.label.toString(), b.label.toString()); 1970 } 1971 }; 1972 static ComponentName getComponentNameFromResolveInfo(ResolveInfo info) { 1973 if (info.activityInfo != null) { 1974 return new ComponentName(info.activityInfo.packageName, info.activityInfo.name); 1975 } else { 1976 return new ComponentName(info.serviceInfo.packageName, info.serviceInfo.name); 1977 } 1978 } 1979 public static class ShortcutNameComparator implements Comparator<ResolveInfo> { 1980 private PackageManager mPackageManager; 1981 private HashMap<Object, CharSequence> mLabelCache; 1982 ShortcutNameComparator(PackageManager pm) { 1983 mPackageManager = pm; 1984 mLabelCache = new HashMap<Object, CharSequence>(); 1985 } 1986 ShortcutNameComparator(PackageManager pm, HashMap<Object, CharSequence> labelCache) { 1987 mPackageManager = pm; 1988 mLabelCache = labelCache; 1989 } 1990 public final int compare(ResolveInfo a, ResolveInfo b) { 1991 CharSequence labelA, labelB; 1992 ComponentName keyA = LauncherModel.getComponentNameFromResolveInfo(a); 1993 ComponentName keyB = LauncherModel.getComponentNameFromResolveInfo(b); 1994 if (mLabelCache.containsKey(keyA)) { 1995 labelA = mLabelCache.get(keyA); 1996 } else { 1997 labelA = a.loadLabel(mPackageManager).toString(); 1998 1999 mLabelCache.put(keyA, labelA); 2000 } 2001 if (mLabelCache.containsKey(keyB)) { 2002 labelB = mLabelCache.get(keyB); 2003 } else { 2004 labelB = b.loadLabel(mPackageManager).toString(); 2005 2006 mLabelCache.put(keyB, labelB); 2007 } 2008 return sCollator.compare(labelA, labelB); 2009 } 2010 }; 2011 public static class WidgetAndShortcutNameComparator implements Comparator<Object> { 2012 private PackageManager mPackageManager; 2013 private HashMap<Object, String> mLabelCache; 2014 WidgetAndShortcutNameComparator(PackageManager pm) { 2015 mPackageManager = pm; 2016 mLabelCache = new HashMap<Object, String>(); 2017 } 2018 public final int compare(Object a, Object b) { 2019 String labelA, labelB; 2020 if (mLabelCache.containsKey(a)) { 2021 labelA = mLabelCache.get(a); 2022 } else { 2023 labelA = (a instanceof AppWidgetProviderInfo) ? 2024 ((AppWidgetProviderInfo) a).label : 2025 ((ResolveInfo) a).loadLabel(mPackageManager).toString(); 2026 mLabelCache.put(a, labelA); 2027 } 2028 if (mLabelCache.containsKey(b)) { 2029 labelB = mLabelCache.get(b); 2030 } else { 2031 labelB = (b instanceof AppWidgetProviderInfo) ? 2032 ((AppWidgetProviderInfo) b).label : 2033 ((ResolveInfo) b).loadLabel(mPackageManager).toString(); 2034 mLabelCache.put(b, labelB); 2035 } 2036 return sCollator.compare(labelA, labelB); 2037 } 2038 }; 2039 2040 public void dumpState() { 2041 Log.d(TAG, "mCallbacks=" + mCallbacks); 2042 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mAllAppsList.data); 2043 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mAllAppsList.added); 2044 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mAllAppsList.removed); 2045 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mAllAppsList.modified); 2046 if (mLoaderTask != null) { 2047 mLoaderTask.dumpState(); 2048 } else { 2049 Log.d(TAG, "mLoaderTask=null"); 2050 } 2051 } 2052} 2053