LauncherModel.java revision 8a4351063f02c0e8d64ee3ace651b227e9f8321f
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.HashSet; 61import java.util.Iterator; 62import java.util.List; 63import java.util.Set; 64 65/** 66 * Maintains in-memory state of the Launcher. It is expected that there should be only one 67 * LauncherModel object held in a static. Also provide APIs for updating the database state 68 * for the Launcher. 69 */ 70public class LauncherModel extends BroadcastReceiver { 71 static final boolean DEBUG_LOADERS = false; 72 static final String TAG = "Launcher.Model"; 73 74 private static final int ITEMS_CHUNK = 6; // batch size for the workspace icons 75 private final boolean mAppsCanBeOnExternalStorage; 76 private int mBatchSize; // 0 is all apps at once 77 private int mAllAppsLoadDelay; // milliseconds between batches 78 79 private final LauncherApplication mApp; 80 private final Object mLock = new Object(); 81 private DeferredHandler mHandler = new DeferredHandler(); 82 private LoaderTask mLoaderTask; 83 private boolean mIsLoaderTaskRunning; 84 85 // Specific runnable types that are run on the main thread deferred handler, this allows us to 86 // clear all queued binding runnables when the Launcher activity is destroyed. 87 private static final int MAIN_THREAD_NORMAL_RUNNABLE = 0; 88 private static final int MAIN_THREAD_BINDING_RUNNABLE = 1; 89 90 91 private static final HandlerThread sWorkerThread = new HandlerThread("launcher-loader"); 92 static { 93 sWorkerThread.start(); 94 } 95 private static final Handler sWorker = new Handler(sWorkerThread.getLooper()); 96 97 // We start off with everything not loaded. After that, we assume that 98 // our monitoring of the package manager provides all updates and we never 99 // need to do a requery. These are only ever touched from the loader thread. 100 private boolean mWorkspaceLoaded; 101 private boolean mAllAppsLoaded; 102 103 // When we are loading pages synchronously, we can't just post the binding of items on the side 104 // pages as this delays the rotation process. Instead, we wait for a callback from the first 105 // draw (in Workspace) to initiate the binding of the remaining side pages. Any time we start 106 // a normal load, we also clear this set of Runnables. 107 static final ArrayList<Runnable> mDeferredBindRunnables = new ArrayList<Runnable>(); 108 109 private WeakReference<Callbacks> mCallbacks; 110 111 // < only access in worker thread > 112 private AllAppsList mBgAllAppsList; 113 114 // The lock that must be acquired before referencing any static bg data structures. Unlike 115 // other locks, this one can generally be held long-term because we never expect any of these 116 // static data structures to be referenced outside of the worker thread except on the first 117 // load after configuration change. 118 static final Object sBgLock = new Object(); 119 120 // sBgItemsIdMap maps *all* the ItemInfos (shortcuts, folders, and widgets) created by 121 // LauncherModel to their ids 122 static final HashMap<Long, ItemInfo> sBgItemsIdMap = new HashMap<Long, ItemInfo>(); 123 124 // sBgWorkspaceItems is passed to bindItems, which expects a list of all folders and shortcuts 125 // created by LauncherModel that are directly on the home screen (however, no widgets or 126 // shortcuts within folders). 127 static final ArrayList<ItemInfo> sBgWorkspaceItems = new ArrayList<ItemInfo>(); 128 129 // sBgAppWidgets is all LauncherAppWidgetInfo created by LauncherModel. Passed to bindAppWidget() 130 static final ArrayList<LauncherAppWidgetInfo> sBgAppWidgets = 131 new ArrayList<LauncherAppWidgetInfo>(); 132 133 // sBgFolders is all FolderInfos created by LauncherModel. Passed to bindFolders() 134 static final HashMap<Long, FolderInfo> sBgFolders = new HashMap<Long, FolderInfo>(); 135 136 // sBgDbIconCache is the set of ItemInfos that need to have their icons updated in the database 137 static final HashMap<Object, byte[]> sBgDbIconCache = new HashMap<Object, byte[]>(); 138 // </ only access in worker thread > 139 140 private IconCache mIconCache; 141 private Bitmap mDefaultIcon; 142 143 private static int mCellCountX; 144 private static int mCellCountY; 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 public void bindFolders(HashMap<Long,FolderInfo> folders); 154 public void finishBindingItems(); 155 public void bindAppWidget(LauncherAppWidgetInfo info); 156 public void bindAllApplications(ArrayList<ApplicationInfo> apps); 157 public void bindAppsAdded(ArrayList<ApplicationInfo> apps); 158 public void bindAppsUpdated(ArrayList<ApplicationInfo> apps); 159 public void bindAppsRemoved(ArrayList<String> packageNames, boolean permanent); 160 public void bindPackagesUpdated(); 161 public boolean isAllAppsVisible(); 162 public boolean isAllAppsButtonRank(int rank); 163 public void bindSearchablesChanged(); 164 public void onPageBoundSynchronously(int page); 165 } 166 167 LauncherModel(LauncherApplication app, IconCache iconCache) { 168 mAppsCanBeOnExternalStorage = !Environment.isExternalStorageEmulated(); 169 mApp = app; 170 mBgAllAppsList = new AllAppsList(iconCache); 171 mIconCache = iconCache; 172 173 mDefaultIcon = Utilities.createIconBitmap( 174 mIconCache.getFullResDefaultActivityIcon(), app); 175 176 final Resources res = app.getResources(); 177 mAllAppsLoadDelay = res.getInteger(R.integer.config_allAppsBatchLoadDelay); 178 mBatchSize = res.getInteger(R.integer.config_allAppsBatchSize); 179 Configuration config = res.getConfiguration(); 180 mPreviousConfigMcc = config.mcc; 181 } 182 183 /** Runs the specified runnable immediately if called from the main thread, otherwise it is 184 * posted on the main thread handler. */ 185 private void runOnMainThread(Runnable r) { 186 runOnMainThread(r, 0); 187 } 188 private void runOnMainThread(Runnable r, int type) { 189 if (sWorkerThread.getThreadId() == Process.myTid()) { 190 // If we are on the worker thread, post onto the main handler 191 mHandler.post(r); 192 } else { 193 r.run(); 194 } 195 } 196 197 /** Runs the specified runnable immediately if called from the worker thread, otherwise it is 198 * posted on the worker thread handler. */ 199 private static void runOnWorkerThread(Runnable r) { 200 if (sWorkerThread.getThreadId() == Process.myTid()) { 201 r.run(); 202 } else { 203 // If we are not on the worker thread, then post to the worker handler 204 sWorker.post(r); 205 } 206 } 207 208 public Bitmap getFallbackIcon() { 209 return Bitmap.createBitmap(mDefaultIcon); 210 } 211 212 public void unbindItemInfosAndClearQueuedBindRunnables() { 213 if (sWorkerThread.getThreadId() == Process.myTid()) { 214 throw new RuntimeException("Expected unbindLauncherItemInfos() to be called from the " + 215 "main thread"); 216 } 217 218 // Clear any deferred bind runnables 219 mDeferredBindRunnables.clear(); 220 // Remove any queued bind runnables 221 mHandler.cancelAllRunnablesOfType(MAIN_THREAD_BINDING_RUNNABLE); 222 // Unbind all the workspace items 223 unbindWorkspaceItemsOnMainThread(); 224 } 225 226 /** Unbinds all the sBgWorkspaceItems and sBgAppWidgets on the main thread */ 227 void unbindWorkspaceItemsOnMainThread() { 228 // Ensure that we don't use the same workspace items data structure on the main thread 229 // by making a copy of workspace items first. 230 final ArrayList<ItemInfo> tmpWorkspaceItems = new ArrayList<ItemInfo>(); 231 final ArrayList<ItemInfo> tmpAppWidgets = new ArrayList<ItemInfo>(); 232 synchronized (sBgLock) { 233 tmpWorkspaceItems.addAll(sBgWorkspaceItems); 234 tmpAppWidgets.addAll(sBgAppWidgets); 235 } 236 Runnable r = new Runnable() { 237 @Override 238 public void run() { 239 for (ItemInfo item : tmpWorkspaceItems) { 240 item.unbind(); 241 } 242 for (ItemInfo item : tmpAppWidgets) { 243 item.unbind(); 244 } 245 } 246 }; 247 runOnMainThread(r); 248 } 249 250 /** 251 * Adds an item to the DB if it was not created previously, or move it to a new 252 * <container, screen, cellX, cellY> 253 */ 254 static void addOrMoveItemInDatabase(Context context, ItemInfo item, long container, 255 int screen, int cellX, int cellY) { 256 if (item.container == ItemInfo.NO_ID) { 257 // From all apps 258 addItemToDatabase(context, item, container, screen, cellX, cellY, false); 259 } else { 260 // From somewhere else 261 moveItemInDatabase(context, item, container, screen, cellX, cellY); 262 } 263 } 264 265 static void checkItemInfo(final ItemInfo item) { 266 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 267 final long itemId = item.id; 268 Runnable r = new Runnable() { 269 public void run() { 270 synchronized (sBgLock) { 271 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 272 if (modelItem != null && item != modelItem) { 273 // the modelItem needs to match up perfectly with item if our model is 274 // to be consistent with the database-- for now, just require 275 // modelItem == item 276 String msg = "item: " + ((item != null) ? item.toString() : "null") + 277 "modelItem: " + 278 ((modelItem != null) ? modelItem.toString() : "null") + 279 "Error: ItemInfo passed to checkItemInfo doesn't match original"; 280 RuntimeException e = new RuntimeException(msg); 281 e.setStackTrace(stackTrace); 282 throw e; 283 } 284 } 285 } 286 }; 287 runOnWorkerThread(r); 288 } 289 290 static void updateItemInDatabaseHelper(Context context, final ContentValues values, 291 final ItemInfo item, final String callingFunction) { 292 final long itemId = item.id; 293 final Uri uri = LauncherSettings.Favorites.getContentUri(itemId, false); 294 final ContentResolver cr = context.getContentResolver(); 295 296 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 297 Runnable r = new Runnable() { 298 public void run() { 299 cr.update(uri, values, null, null); 300 301 // Lock on mBgLock *after* the db operation 302 synchronized (sBgLock) { 303 ItemInfo modelItem = sBgItemsIdMap.get(itemId); 304 if (item != modelItem) { 305 // the modelItem needs to match up perfectly with item if our model is to be 306 // consistent with the database-- for now, just require modelItem == item 307 String msg = "item: " + ((item != null) ? item.toString() : "null") + 308 "modelItem: " + ((modelItem != null) ? modelItem.toString() : "null") + 309 "Error: ItemInfo passed to " + callingFunction + " doesn't match " + 310 "original"; 311 throw new RuntimeException(msg); 312 } 313 314 if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 315 item.container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 316 // Item is in a folder, make sure this folder exists 317 if (!sBgFolders.containsKey(item.container)) { 318 // An items container is being set to a that of an item which is not in 319 // the list of Folders. 320 String msg = "item: " + item + " container being set to: " + 321 item.container + ", not in the list of folders"; 322 RuntimeException e = new RuntimeException(msg); 323 e.setStackTrace(stackTrace); 324 Launcher.dumpDebugLogsToConsole(); 325 throw e; 326 } 327 } 328 329 // Items are added/removed from the corresponding FolderInfo elsewhere, such 330 // as in Workspace.onDrop. Here, we just add/remove them from the list of items 331 // that are on the desktop, as appropriate 332 if (modelItem.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 333 modelItem.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 334 switch (modelItem.itemType) { 335 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 336 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 337 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 338 if (!sBgWorkspaceItems.contains(modelItem)) { 339 sBgWorkspaceItems.add(modelItem); 340 } 341 break; 342 default: 343 break; 344 } 345 } else { 346 sBgWorkspaceItems.remove(modelItem); 347 } 348 } 349 } 350 }; 351 runOnWorkerThread(r); 352 } 353 354 /** 355 * Move an item in the DB to a new <container, screen, cellX, cellY> 356 */ 357 static void moveItemInDatabase(Context context, final ItemInfo item, final long container, 358 final int screen, final int cellX, final int cellY) { 359 String transaction = "DbDebug Modify item (" + item.title + ") in db, id: " + item.id + 360 " (" + item.container + ", " + item.screen + ", " + item.cellX + ", " + item.cellY + 361 ") --> " + "(" + container + ", " + screen + ", " + cellX + ", " + cellY + ")"; 362 Launcher.sDumpLogs.add(transaction); 363 Log.d(TAG, transaction); 364 item.container = container; 365 item.cellX = cellX; 366 item.cellY = cellY; 367 368 // We store hotseat items in canonical form which is this orientation invariant position 369 // in the hotseat 370 if (context instanceof Launcher && screen < 0 && 371 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 372 item.screen = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 373 } else { 374 item.screen = screen; 375 } 376 377 final ContentValues values = new ContentValues(); 378 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 379 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 380 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 381 values.put(LauncherSettings.Favorites.SCREEN, item.screen); 382 383 updateItemInDatabaseHelper(context, values, item, "moveItemInDatabase"); 384 } 385 386 /** 387 * Move and/or resize item in the DB to a new <container, screen, cellX, cellY, spanX, spanY> 388 */ 389 static void modifyItemInDatabase(Context context, final ItemInfo item, final long container, 390 final int screen, final int cellX, final int cellY, final int spanX, final int spanY) { 391 String transaction = "DbDebug Modify item (" + item.title + ") in db, id: " + item.id + 392 " (" + item.container + ", " + item.screen + ", " + item.cellX + ", " + item.cellY + 393 ") --> " + "(" + container + ", " + screen + ", " + cellX + ", " + cellY + ")"; 394 Launcher.sDumpLogs.add(transaction); 395 Log.d(TAG, transaction); 396 item.cellX = cellX; 397 item.cellY = cellY; 398 item.spanX = spanX; 399 item.spanY = spanY; 400 401 // We store hotseat items in canonical form which is this orientation invariant position 402 // in the hotseat 403 if (context instanceof Launcher && screen < 0 && 404 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 405 item.screen = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 406 } else { 407 item.screen = screen; 408 } 409 410 final ContentValues values = new ContentValues(); 411 values.put(LauncherSettings.Favorites.CONTAINER, item.container); 412 values.put(LauncherSettings.Favorites.CELLX, item.cellX); 413 values.put(LauncherSettings.Favorites.CELLY, item.cellY); 414 values.put(LauncherSettings.Favorites.SPANX, item.spanX); 415 values.put(LauncherSettings.Favorites.SPANY, item.spanY); 416 values.put(LauncherSettings.Favorites.SCREEN, item.screen); 417 418 updateItemInDatabaseHelper(context, values, item, "modifyItemInDatabase"); 419 } 420 421 /** 422 * Update an item to the database in a specified container. 423 */ 424 static void updateItemInDatabase(Context context, final ItemInfo item) { 425 final ContentValues values = new ContentValues(); 426 item.onAddToDatabase(values); 427 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 428 updateItemInDatabaseHelper(context, values, item, "updateItemInDatabase"); 429 } 430 431 /** 432 * Returns true if the shortcuts already exists in the database. 433 * we identify a shortcut by its title and intent. 434 */ 435 static boolean shortcutExists(Context context, String title, Intent intent) { 436 final ContentResolver cr = context.getContentResolver(); 437 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, 438 new String[] { "title", "intent" }, "title=? and intent=?", 439 new String[] { title, intent.toUri(0) }, null); 440 boolean result = false; 441 try { 442 result = c.moveToFirst(); 443 } finally { 444 c.close(); 445 } 446 return result; 447 } 448 449 /** 450 * Returns an ItemInfo array containing all the items in the LauncherModel. 451 * The ItemInfo.id is not set through this function. 452 */ 453 static ArrayList<ItemInfo> getItemsInLocalCoordinates(Context context) { 454 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 455 final ContentResolver cr = context.getContentResolver(); 456 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, new String[] { 457 LauncherSettings.Favorites.ITEM_TYPE, LauncherSettings.Favorites.CONTAINER, 458 LauncherSettings.Favorites.SCREEN, LauncherSettings.Favorites.CELLX, LauncherSettings.Favorites.CELLY, 459 LauncherSettings.Favorites.SPANX, LauncherSettings.Favorites.SPANY }, null, null, null); 460 461 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 462 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 463 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 464 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 465 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 466 final int spanXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANX); 467 final int spanYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SPANY); 468 469 try { 470 while (c.moveToNext()) { 471 ItemInfo item = new ItemInfo(); 472 item.cellX = c.getInt(cellXIndex); 473 item.cellY = c.getInt(cellYIndex); 474 item.spanX = c.getInt(spanXIndex); 475 item.spanY = c.getInt(spanYIndex); 476 item.container = c.getInt(containerIndex); 477 item.itemType = c.getInt(itemTypeIndex); 478 item.screen = c.getInt(screenIndex); 479 480 items.add(item); 481 } 482 } catch (Exception e) { 483 items.clear(); 484 } finally { 485 c.close(); 486 } 487 488 return items; 489 } 490 491 /** 492 * Find a folder in the db, creating the FolderInfo if necessary, and adding it to folderList. 493 */ 494 FolderInfo getFolderById(Context context, HashMap<Long,FolderInfo> folderList, long id) { 495 final ContentResolver cr = context.getContentResolver(); 496 Cursor c = cr.query(LauncherSettings.Favorites.CONTENT_URI, null, 497 "_id=? and (itemType=? or itemType=?)", 498 new String[] { String.valueOf(id), 499 String.valueOf(LauncherSettings.Favorites.ITEM_TYPE_FOLDER)}, null); 500 501 try { 502 if (c.moveToFirst()) { 503 final int itemTypeIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ITEM_TYPE); 504 final int titleIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE); 505 final int containerIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CONTAINER); 506 final int screenIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.SCREEN); 507 final int cellXIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLX); 508 final int cellYIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.CELLY); 509 510 FolderInfo folderInfo = null; 511 switch (c.getInt(itemTypeIndex)) { 512 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 513 folderInfo = findOrMakeFolder(folderList, id); 514 break; 515 } 516 517 folderInfo.title = c.getString(titleIndex); 518 folderInfo.id = id; 519 folderInfo.container = c.getInt(containerIndex); 520 folderInfo.screen = c.getInt(screenIndex); 521 folderInfo.cellX = c.getInt(cellXIndex); 522 folderInfo.cellY = c.getInt(cellYIndex); 523 524 return folderInfo; 525 } 526 } finally { 527 c.close(); 528 } 529 530 return null; 531 } 532 533 /** 534 * Add an item to the database in a specified container. Sets the container, screen, cellX and 535 * cellY fields of the item. Also assigns an ID to the item. 536 */ 537 static void addItemToDatabase(Context context, final ItemInfo item, final long container, 538 final int screen, final int cellX, final int cellY, final boolean notify) { 539 item.container = container; 540 item.cellX = cellX; 541 item.cellY = cellY; 542 // We store hotseat items in canonical form which is this orientation invariant position 543 // in the hotseat 544 if (context instanceof Launcher && screen < 0 && 545 container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 546 item.screen = ((Launcher) context).getHotseat().getOrderInHotseat(cellX, cellY); 547 } else { 548 item.screen = screen; 549 } 550 551 final ContentValues values = new ContentValues(); 552 final ContentResolver cr = context.getContentResolver(); 553 item.onAddToDatabase(values); 554 555 LauncherApplication app = (LauncherApplication) context.getApplicationContext(); 556 item.id = app.getLauncherProvider().generateNewId(); 557 values.put(LauncherSettings.Favorites._ID, item.id); 558 item.updateValuesWithCoordinates(values, item.cellX, item.cellY); 559 560 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 561 562 Runnable r = new Runnable() { 563 public void run() { 564 String transaction = "DbDebug Add item (" + item.title + ") to db, id: " 565 + item.id + " (" + container + ", " + screen + ", " + cellX + ", " 566 + cellY + ")"; 567 Launcher.sDumpLogs.add(transaction); 568 Log.d(TAG, transaction); 569 570 cr.insert(notify ? LauncherSettings.Favorites.CONTENT_URI : 571 LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, values); 572 573 // Lock on mBgLock *after* the db operation 574 synchronized (sBgLock) { 575 if (sBgItemsIdMap.containsKey(item.id)) { 576 // we should not be adding new items in the db with the same id 577 throw new RuntimeException("Error: ItemInfo id (" + item.id + ") passed to " + 578 "addItemToDatabase already exists." + item.toString()); 579 } 580 sBgItemsIdMap.put(item.id, item); 581 switch (item.itemType) { 582 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 583 sBgFolders.put(item.id, (FolderInfo) item); 584 // Fall through 585 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 586 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 587 if (item.container == LauncherSettings.Favorites.CONTAINER_DESKTOP || 588 item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 589 sBgWorkspaceItems.add(item); 590 } else { 591 if (!sBgFolders.containsKey(item.container)) { 592 // Adding an item to a folder that doesn't exist. 593 String msg = "adding item: " + item + " to a folder that " + 594 " doesn't exist"; 595 RuntimeException e = new RuntimeException(msg); 596 e.setStackTrace(stackTrace); 597 Launcher.dumpDebugLogsToConsole(); 598 throw e; 599 } 600 } 601 break; 602 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 603 sBgAppWidgets.add((LauncherAppWidgetInfo) item); 604 break; 605 } 606 } 607 } 608 }; 609 runOnWorkerThread(r); 610 } 611 612 /** 613 * Creates a new unique child id, for a given cell span across all layouts. 614 */ 615 static int getCellLayoutChildId( 616 long container, int screen, int localCellX, int localCellY, int spanX, int spanY) { 617 return (((int) container & 0xFF) << 24) 618 | (screen & 0xFF) << 16 | (localCellX & 0xFF) << 8 | (localCellY & 0xFF); 619 } 620 621 static int getCellCountX() { 622 return mCellCountX; 623 } 624 625 static int getCellCountY() { 626 return mCellCountY; 627 } 628 629 /** 630 * Updates the model orientation helper to take into account the current layout dimensions 631 * when performing local/canonical coordinate transformations. 632 */ 633 static void updateWorkspaceLayoutCells(int shortAxisCellCount, int longAxisCellCount) { 634 mCellCountX = shortAxisCellCount; 635 mCellCountY = longAxisCellCount; 636 } 637 638 /** 639 * Removes the specified item from the database 640 * @param context 641 * @param item 642 */ 643 static void deleteItemFromDatabase(Context context, final ItemInfo item) { 644 final ContentResolver cr = context.getContentResolver(); 645 final Uri uriToDelete = LauncherSettings.Favorites.getContentUri(item.id, false); 646 final StackTraceElement[] stackTrace = new Throwable().getStackTrace(); 647 648 Runnable r = new Runnable() { 649 public void run() { 650 String transaction = "DbDebug Delete item (" + item.title + ") from db, id: " 651 + item.id + " (" + item.container + ", " + item.screen + ", " + item.cellX + 652 ", " + item.cellY + ")"; 653 Launcher.sDumpLogs.add(transaction); 654 Log.d(TAG, transaction); 655 656 cr.delete(uriToDelete, null, null); 657 658 // Lock on mBgLock *after* the db operation 659 synchronized (sBgLock) { 660 switch (item.itemType) { 661 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 662 sBgFolders.remove(item.id); 663 for (ItemInfo info: sBgItemsIdMap.values()) { 664 if (info.container == item.id) { 665 // We are deleting a folder which still contains items that 666 // think they are contained by that folder. 667 String msg = "deleting a folder (" + item + ") which still " + 668 "contains items (" + info + ")"; 669 RuntimeException e = new RuntimeException(msg); 670 e.setStackTrace(stackTrace); 671 Launcher.dumpDebugLogsToConsole(); 672 throw e; 673 } 674 } 675 sBgWorkspaceItems.remove(item); 676 break; 677 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 678 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 679 sBgWorkspaceItems.remove(item); 680 break; 681 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 682 sBgAppWidgets.remove((LauncherAppWidgetInfo) item); 683 break; 684 } 685 sBgItemsIdMap.remove(item.id); 686 sBgDbIconCache.remove(item); 687 } 688 } 689 }; 690 runOnWorkerThread(r); 691 } 692 693 /** 694 * Remove the contents of the specified folder from the database 695 */ 696 static void deleteFolderContentsFromDatabase(Context context, final FolderInfo info) { 697 final ContentResolver cr = context.getContentResolver(); 698 699 Runnable r = new Runnable() { 700 public void run() { 701 cr.delete(LauncherSettings.Favorites.getContentUri(info.id, false), null, null); 702 // Lock on mBgLock *after* the db operation 703 synchronized (sBgLock) { 704 sBgItemsIdMap.remove(info.id); 705 sBgFolders.remove(info.id); 706 sBgDbIconCache.remove(info); 707 sBgWorkspaceItems.remove(info); 708 } 709 710 cr.delete(LauncherSettings.Favorites.CONTENT_URI_NO_NOTIFICATION, 711 LauncherSettings.Favorites.CONTAINER + "=" + info.id, null); 712 // Lock on mBgLock *after* the db operation 713 synchronized (sBgLock) { 714 for (ItemInfo childInfo : info.contents) { 715 sBgItemsIdMap.remove(childInfo.id); 716 sBgDbIconCache.remove(childInfo); 717 } 718 } 719 } 720 }; 721 runOnWorkerThread(r); 722 } 723 724 /** 725 * Set this as the current Launcher activity object for the loader. 726 */ 727 public void initialize(Callbacks callbacks) { 728 synchronized (mLock) { 729 mCallbacks = new WeakReference<Callbacks>(callbacks); 730 } 731 } 732 733 /** 734 * Call from the handler for ACTION_PACKAGE_ADDED, ACTION_PACKAGE_REMOVED and 735 * ACTION_PACKAGE_CHANGED. 736 */ 737 @Override 738 public void onReceive(Context context, Intent intent) { 739 if (DEBUG_LOADERS) Log.d(TAG, "onReceive intent=" + intent); 740 741 final String action = intent.getAction(); 742 743 if (Intent.ACTION_PACKAGE_CHANGED.equals(action) 744 || Intent.ACTION_PACKAGE_REMOVED.equals(action) 745 || Intent.ACTION_PACKAGE_ADDED.equals(action)) { 746 final String packageName = intent.getData().getSchemeSpecificPart(); 747 final boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false); 748 749 int op = PackageUpdatedTask.OP_NONE; 750 751 if (packageName == null || packageName.length() == 0) { 752 // they sent us a bad intent 753 return; 754 } 755 756 if (Intent.ACTION_PACKAGE_CHANGED.equals(action)) { 757 op = PackageUpdatedTask.OP_UPDATE; 758 } else if (Intent.ACTION_PACKAGE_REMOVED.equals(action)) { 759 if (!replacing) { 760 op = PackageUpdatedTask.OP_REMOVE; 761 } 762 // else, we are replacing the package, so a PACKAGE_ADDED will be sent 763 // later, we will update the package at this time 764 } else if (Intent.ACTION_PACKAGE_ADDED.equals(action)) { 765 if (!replacing) { 766 op = PackageUpdatedTask.OP_ADD; 767 } else { 768 op = PackageUpdatedTask.OP_UPDATE; 769 } 770 } 771 772 if (op != PackageUpdatedTask.OP_NONE) { 773 enqueuePackageUpdated(new PackageUpdatedTask(op, new String[] { packageName })); 774 } 775 776 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(action)) { 777 // First, schedule to add these apps back in. 778 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 779 enqueuePackageUpdated(new PackageUpdatedTask(PackageUpdatedTask.OP_ADD, packages)); 780 // Then, rebind everything. 781 startLoaderFromBackground(); 782 } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { 783 String[] packages = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); 784 enqueuePackageUpdated(new PackageUpdatedTask( 785 PackageUpdatedTask.OP_UNAVAILABLE, packages)); 786 } else if (Intent.ACTION_LOCALE_CHANGED.equals(action)) { 787 // If we have changed locale we need to clear out the labels in all apps/workspace. 788 forceReload(); 789 } else if (Intent.ACTION_CONFIGURATION_CHANGED.equals(action)) { 790 // Check if configuration change was an mcc/mnc change which would affect app resources 791 // and we would need to clear out the labels in all apps/workspace. Same handling as 792 // above for ACTION_LOCALE_CHANGED 793 Configuration currentConfig = context.getResources().getConfiguration(); 794 if (mPreviousConfigMcc != currentConfig.mcc) { 795 Log.d(TAG, "Reload apps on config change. curr_mcc:" 796 + currentConfig.mcc + " prevmcc:" + mPreviousConfigMcc); 797 forceReload(); 798 } 799 // Update previousConfig 800 mPreviousConfigMcc = currentConfig.mcc; 801 } else if (SearchManager.INTENT_GLOBAL_SEARCH_ACTIVITY_CHANGED.equals(action) || 802 SearchManager.INTENT_ACTION_SEARCHABLES_CHANGED.equals(action)) { 803 if (mCallbacks != null) { 804 Callbacks callbacks = mCallbacks.get(); 805 if (callbacks != null) { 806 callbacks.bindSearchablesChanged(); 807 } 808 } 809 } 810 } 811 812 private void forceReload() { 813 resetLoadedState(true, true); 814 815 // Do this here because if the launcher activity is running it will be restarted. 816 // If it's not running startLoaderFromBackground will merely tell it that it needs 817 // to reload. 818 startLoaderFromBackground(); 819 } 820 821 public void resetLoadedState(boolean resetAllAppsLoaded, boolean resetWorkspaceLoaded) { 822 synchronized (mLock) { 823 // Stop any existing loaders first, so they don't set mAllAppsLoaded or 824 // mWorkspaceLoaded to true later 825 stopLoaderLocked(); 826 if (resetAllAppsLoaded) mAllAppsLoaded = false; 827 if (resetWorkspaceLoaded) mWorkspaceLoaded = false; 828 } 829 } 830 831 /** 832 * When the launcher is in the background, it's possible for it to miss paired 833 * configuration changes. So whenever we trigger the loader from the background 834 * tell the launcher that it needs to re-run the loader when it comes back instead 835 * of doing it now. 836 */ 837 public void startLoaderFromBackground() { 838 boolean runLoader = false; 839 if (mCallbacks != null) { 840 Callbacks callbacks = mCallbacks.get(); 841 if (callbacks != null) { 842 // Only actually run the loader if they're not paused. 843 if (!callbacks.setLoadOnResume()) { 844 runLoader = true; 845 } 846 } 847 } 848 if (runLoader) { 849 startLoader(false, -1); 850 } 851 } 852 853 // If there is already a loader task running, tell it to stop. 854 // returns true if isLaunching() was true on the old task 855 private boolean stopLoaderLocked() { 856 boolean isLaunching = false; 857 LoaderTask oldTask = mLoaderTask; 858 if (oldTask != null) { 859 if (oldTask.isLaunching()) { 860 isLaunching = true; 861 } 862 oldTask.stopLocked(); 863 } 864 return isLaunching; 865 } 866 867 public void startLoader(boolean isLaunching, int synchronousBindPage) { 868 synchronized (mLock) { 869 if (DEBUG_LOADERS) { 870 Log.d(TAG, "startLoader isLaunching=" + isLaunching); 871 } 872 873 // Clear any deferred bind-runnables from the synchronized load process 874 // We must do this before any loading/binding is scheduled below. 875 mDeferredBindRunnables.clear(); 876 877 // Don't bother to start the thread if we know it's not going to do anything 878 if (mCallbacks != null && mCallbacks.get() != null) { 879 // If there is already one running, tell it to stop. 880 // also, don't downgrade isLaunching if we're already running 881 isLaunching = isLaunching || stopLoaderLocked(); 882 mLoaderTask = new LoaderTask(mApp, isLaunching); 883 if (synchronousBindPage > -1 && mAllAppsLoaded && mWorkspaceLoaded) { 884 mLoaderTask.runBindSynchronousPage(synchronousBindPage); 885 } else { 886 sWorkerThread.setPriority(Thread.NORM_PRIORITY); 887 sWorker.post(mLoaderTask); 888 } 889 } 890 } 891 } 892 893 void bindRemainingSynchronousPages() { 894 // Post the remaining side pages to be loaded 895 if (!mDeferredBindRunnables.isEmpty()) { 896 for (final Runnable r : mDeferredBindRunnables) { 897 mHandler.post(r, MAIN_THREAD_BINDING_RUNNABLE); 898 } 899 mDeferredBindRunnables.clear(); 900 } 901 } 902 903 public void stopLoader() { 904 synchronized (mLock) { 905 if (mLoaderTask != null) { 906 mLoaderTask.stopLocked(); 907 } 908 } 909 } 910 911 public boolean isAllAppsLoaded() { 912 return mAllAppsLoaded; 913 } 914 915 boolean isLoadingWorkspace() { 916 synchronized (mLock) { 917 if (mLoaderTask != null) { 918 return mLoaderTask.isLoadingWorkspace(); 919 } 920 } 921 return false; 922 } 923 924 /** 925 * Runnable for the thread that loads the contents of the launcher: 926 * - workspace icons 927 * - widgets 928 * - all apps icons 929 */ 930 private class LoaderTask implements Runnable { 931 private Context mContext; 932 private boolean mIsLaunching; 933 private boolean mIsLoadingAndBindingWorkspace; 934 private boolean mStopped; 935 private boolean mLoadAndBindStepFinished; 936 937 private HashMap<Object, CharSequence> mLabelCache; 938 939 LoaderTask(Context context, boolean isLaunching) { 940 mContext = context; 941 mIsLaunching = isLaunching; 942 mLabelCache = new HashMap<Object, CharSequence>(); 943 } 944 945 boolean isLaunching() { 946 return mIsLaunching; 947 } 948 949 boolean isLoadingWorkspace() { 950 return mIsLoadingAndBindingWorkspace; 951 } 952 953 private void loadAndBindWorkspace() { 954 mIsLoadingAndBindingWorkspace = true; 955 956 // Load the workspace 957 if (DEBUG_LOADERS) { 958 Log.d(TAG, "loadAndBindWorkspace mWorkspaceLoaded=" + mWorkspaceLoaded); 959 } 960 961 if (!mWorkspaceLoaded) { 962 loadWorkspace(); 963 synchronized (LoaderTask.this) { 964 if (mStopped) { 965 return; 966 } 967 mWorkspaceLoaded = true; 968 } 969 } 970 971 // Bind the workspace 972 bindWorkspace(-1); 973 } 974 975 private void waitForIdle() { 976 // Wait until the either we're stopped or the other threads are done. 977 // This way we don't start loading all apps until the workspace has settled 978 // down. 979 synchronized (LoaderTask.this) { 980 final long workspaceWaitTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 981 982 mHandler.postIdle(new Runnable() { 983 public void run() { 984 synchronized (LoaderTask.this) { 985 mLoadAndBindStepFinished = true; 986 if (DEBUG_LOADERS) { 987 Log.d(TAG, "done with previous binding step"); 988 } 989 LoaderTask.this.notify(); 990 } 991 } 992 }); 993 994 while (!mStopped && !mLoadAndBindStepFinished) { 995 try { 996 this.wait(); 997 } catch (InterruptedException ex) { 998 // Ignore 999 } 1000 } 1001 if (DEBUG_LOADERS) { 1002 Log.d(TAG, "waited " 1003 + (SystemClock.uptimeMillis()-workspaceWaitTime) 1004 + "ms for previous step to finish binding"); 1005 } 1006 } 1007 } 1008 1009 void runBindSynchronousPage(int synchronousBindPage) { 1010 if (synchronousBindPage < 0) { 1011 // Ensure that we have a valid page index to load synchronously 1012 throw new RuntimeException("Should not call runBindSynchronousPage() without " + 1013 "valid page index"); 1014 } 1015 if (!mAllAppsLoaded || !mWorkspaceLoaded) { 1016 // Ensure that we don't try and bind a specified page when the pages have not been 1017 // loaded already (we should load everything asynchronously in that case) 1018 throw new RuntimeException("Expecting AllApps and Workspace to be loaded"); 1019 } 1020 synchronized (mLock) { 1021 if (mIsLoaderTaskRunning) { 1022 // Ensure that we are never running the background loading at this point since 1023 // we also touch the background collections 1024 throw new RuntimeException("Error! Background loading is already running"); 1025 } 1026 } 1027 1028 // XXX: Throw an exception if we are already loading (since we touch the worker thread 1029 // data structures, we can't allow any other thread to touch that data, but because 1030 // this call is synchronous, we can get away with not locking). 1031 1032 // The LauncherModel is static in the LauncherApplication and mHandler may have queued 1033 // operations from the previous activity. We need to ensure that all queued operations 1034 // are executed before any synchronous binding work is done. 1035 mHandler.flush(); 1036 1037 // Divide the set of loaded items into those that we are binding synchronously, and 1038 // everything else that is to be bound normally (asynchronously). 1039 bindWorkspace(synchronousBindPage); 1040 // XXX: For now, continue posting the binding of AllApps as there are other issues that 1041 // arise from that. 1042 onlyBindAllApps(); 1043 } 1044 1045 public void run() { 1046 synchronized (mLock) { 1047 mIsLoaderTaskRunning = true; 1048 } 1049 // Optimize for end-user experience: if the Launcher is up and // running with the 1050 // All Apps interface in the foreground, load All Apps first. Otherwise, load the 1051 // workspace first (default). 1052 final Callbacks cbk = mCallbacks.get(); 1053 final boolean loadWorkspaceFirst = cbk != null ? (!cbk.isAllAppsVisible()) : true; 1054 1055 keep_running: { 1056 // Elevate priority when Home launches for the first time to avoid 1057 // starving at boot time. Staring at a blank home is not cool. 1058 synchronized (mLock) { 1059 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to " + 1060 (mIsLaunching ? "DEFAULT" : "BACKGROUND")); 1061 android.os.Process.setThreadPriority(mIsLaunching 1062 ? Process.THREAD_PRIORITY_DEFAULT : Process.THREAD_PRIORITY_BACKGROUND); 1063 } 1064 if (loadWorkspaceFirst) { 1065 if (DEBUG_LOADERS) Log.d(TAG, "step 1: loading workspace"); 1066 loadAndBindWorkspace(); 1067 } else { 1068 if (DEBUG_LOADERS) Log.d(TAG, "step 1: special: loading all apps"); 1069 loadAndBindAllApps(); 1070 } 1071 1072 if (mStopped) { 1073 break keep_running; 1074 } 1075 1076 // Whew! Hard work done. Slow us down, and wait until the UI thread has 1077 // settled down. 1078 synchronized (mLock) { 1079 if (mIsLaunching) { 1080 if (DEBUG_LOADERS) Log.d(TAG, "Setting thread priority to BACKGROUND"); 1081 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_BACKGROUND); 1082 } 1083 } 1084 waitForIdle(); 1085 1086 // second step 1087 if (loadWorkspaceFirst) { 1088 if (DEBUG_LOADERS) Log.d(TAG, "step 2: loading all apps"); 1089 loadAndBindAllApps(); 1090 } else { 1091 if (DEBUG_LOADERS) Log.d(TAG, "step 2: special: loading workspace"); 1092 loadAndBindWorkspace(); 1093 } 1094 1095 // Restore the default thread priority after we are done loading items 1096 synchronized (mLock) { 1097 android.os.Process.setThreadPriority(Process.THREAD_PRIORITY_DEFAULT); 1098 } 1099 } 1100 1101 1102 // Update the saved icons if necessary 1103 if (DEBUG_LOADERS) Log.d(TAG, "Comparing loaded icons to database icons"); 1104 synchronized (sBgLock) { 1105 for (Object key : sBgDbIconCache.keySet()) { 1106 updateSavedIcon(mContext, (ShortcutInfo) key, sBgDbIconCache.get(key)); 1107 } 1108 sBgDbIconCache.clear(); 1109 } 1110 1111 // Clear out this reference, otherwise we end up holding it until all of the 1112 // callback runnables are done. 1113 mContext = null; 1114 1115 synchronized (mLock) { 1116 // If we are still the last one to be scheduled, remove ourselves. 1117 if (mLoaderTask == this) { 1118 mLoaderTask = null; 1119 } 1120 mIsLoaderTaskRunning = false; 1121 } 1122 } 1123 1124 public void stopLocked() { 1125 synchronized (LoaderTask.this) { 1126 mStopped = true; 1127 this.notify(); 1128 } 1129 } 1130 1131 /** 1132 * Gets the callbacks object. If we've been stopped, or if the launcher object 1133 * has somehow been garbage collected, return null instead. Pass in the Callbacks 1134 * object that was around when the deferred message was scheduled, and if there's 1135 * a new Callbacks object around then also return null. This will save us from 1136 * calling onto it with data that will be ignored. 1137 */ 1138 Callbacks tryGetCallbacks(Callbacks oldCallbacks) { 1139 synchronized (mLock) { 1140 if (mStopped) { 1141 return null; 1142 } 1143 1144 if (mCallbacks == null) { 1145 return null; 1146 } 1147 1148 final Callbacks callbacks = mCallbacks.get(); 1149 if (callbacks != oldCallbacks) { 1150 return null; 1151 } 1152 if (callbacks == null) { 1153 Log.w(TAG, "no mCallbacks"); 1154 return null; 1155 } 1156 1157 return callbacks; 1158 } 1159 } 1160 1161 // check & update map of what's occupied; used to discard overlapping/invalid items 1162 private boolean checkItemPlacement(ItemInfo occupied[][][], ItemInfo item) { 1163 int containerIndex = item.screen; 1164 if (item.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1165 // Return early if we detect that an item is under the hotseat button 1166 if (mCallbacks == null || mCallbacks.get().isAllAppsButtonRank(item.screen)) { 1167 return false; 1168 } 1169 1170 // We use the last index to refer to the hotseat and the screen as the rank, so 1171 // test and update the occupied state accordingly 1172 if (occupied[Launcher.SCREEN_COUNT][item.screen][0] != null) { 1173 Log.e(TAG, "Error loading shortcut into hotseat " + item 1174 + " into position (" + item.screen + ":" + item.cellX + "," + item.cellY 1175 + ") occupied by " + occupied[Launcher.SCREEN_COUNT][item.screen][0]); 1176 return false; 1177 } else { 1178 occupied[Launcher.SCREEN_COUNT][item.screen][0] = item; 1179 return true; 1180 } 1181 } else if (item.container != LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1182 // Skip further checking if it is not the hotseat or workspace container 1183 return true; 1184 } 1185 1186 // Check if any workspace icons overlap with each other 1187 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1188 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1189 if (occupied[containerIndex][x][y] != null) { 1190 Log.e(TAG, "Error loading shortcut " + item 1191 + " into cell (" + containerIndex + "-" + item.screen + ":" 1192 + x + "," + y 1193 + ") occupied by " 1194 + occupied[containerIndex][x][y]); 1195 return false; 1196 } 1197 } 1198 } 1199 for (int x = item.cellX; x < (item.cellX+item.spanX); x++) { 1200 for (int y = item.cellY; y < (item.cellY+item.spanY); y++) { 1201 occupied[containerIndex][x][y] = item; 1202 } 1203 } 1204 1205 return true; 1206 } 1207 1208 private void loadWorkspace() { 1209 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1210 1211 final Context context = mContext; 1212 final ContentResolver contentResolver = context.getContentResolver(); 1213 final PackageManager manager = context.getPackageManager(); 1214 final AppWidgetManager widgets = AppWidgetManager.getInstance(context); 1215 final boolean isSafeMode = manager.isSafeMode(); 1216 1217 // Make sure the default workspace is loaded, if needed 1218 mApp.getLauncherProvider().loadDefaultFavoritesIfNecessary(); 1219 1220 synchronized (sBgLock) { 1221 sBgWorkspaceItems.clear(); 1222 sBgAppWidgets.clear(); 1223 sBgFolders.clear(); 1224 sBgItemsIdMap.clear(); 1225 sBgDbIconCache.clear(); 1226 1227 final ArrayList<Long> itemsToRemove = new ArrayList<Long>(); 1228 1229 final Cursor c = contentResolver.query( 1230 LauncherSettings.Favorites.CONTENT_URI, null, null, null, null); 1231 1232 // +1 for the hotseat (it can be larger than the workspace) 1233 // Load workspace in reverse order to ensure that latest items are loaded first (and 1234 // before any earlier duplicates) 1235 final ItemInfo occupied[][][] = 1236 new ItemInfo[Launcher.SCREEN_COUNT + 1][mCellCountX + 1][mCellCountY + 1]; 1237 1238 try { 1239 final int idIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites._ID); 1240 final int intentIndex = c.getColumnIndexOrThrow 1241 (LauncherSettings.Favorites.INTENT); 1242 final int titleIndex = c.getColumnIndexOrThrow 1243 (LauncherSettings.Favorites.TITLE); 1244 final int iconTypeIndex = c.getColumnIndexOrThrow( 1245 LauncherSettings.Favorites.ICON_TYPE); 1246 final int iconIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.ICON); 1247 final int iconPackageIndex = c.getColumnIndexOrThrow( 1248 LauncherSettings.Favorites.ICON_PACKAGE); 1249 final int iconResourceIndex = c.getColumnIndexOrThrow( 1250 LauncherSettings.Favorites.ICON_RESOURCE); 1251 final int containerIndex = c.getColumnIndexOrThrow( 1252 LauncherSettings.Favorites.CONTAINER); 1253 final int itemTypeIndex = c.getColumnIndexOrThrow( 1254 LauncherSettings.Favorites.ITEM_TYPE); 1255 final int appWidgetIdIndex = c.getColumnIndexOrThrow( 1256 LauncherSettings.Favorites.APPWIDGET_ID); 1257 final int screenIndex = c.getColumnIndexOrThrow( 1258 LauncherSettings.Favorites.SCREEN); 1259 final int cellXIndex = c.getColumnIndexOrThrow 1260 (LauncherSettings.Favorites.CELLX); 1261 final int cellYIndex = c.getColumnIndexOrThrow 1262 (LauncherSettings.Favorites.CELLY); 1263 final int spanXIndex = c.getColumnIndexOrThrow 1264 (LauncherSettings.Favorites.SPANX); 1265 final int spanYIndex = c.getColumnIndexOrThrow( 1266 LauncherSettings.Favorites.SPANY); 1267 //final int uriIndex = c.getColumnIndexOrThrow(LauncherSettings.Favorites.URI); 1268 //final int displayModeIndex = c.getColumnIndexOrThrow( 1269 // LauncherSettings.Favorites.DISPLAY_MODE); 1270 1271 ShortcutInfo info; 1272 String intentDescription; 1273 LauncherAppWidgetInfo appWidgetInfo; 1274 int container; 1275 long id; 1276 Intent intent; 1277 1278 while (!mStopped && c.moveToNext()) { 1279 try { 1280 int itemType = c.getInt(itemTypeIndex); 1281 1282 switch (itemType) { 1283 case LauncherSettings.Favorites.ITEM_TYPE_APPLICATION: 1284 case LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT: 1285 intentDescription = c.getString(intentIndex); 1286 try { 1287 intent = Intent.parseUri(intentDescription, 0); 1288 } catch (URISyntaxException e) { 1289 continue; 1290 } 1291 1292 if (itemType == LauncherSettings.Favorites.ITEM_TYPE_APPLICATION) { 1293 info = getShortcutInfo(manager, intent, context, c, iconIndex, 1294 titleIndex, mLabelCache); 1295 } else { 1296 info = getShortcutInfo(c, context, iconTypeIndex, 1297 iconPackageIndex, iconResourceIndex, iconIndex, 1298 titleIndex); 1299 1300 // App shortcuts that used to be automatically added to Launcher 1301 // didn't always have the correct intent flags set, so do that 1302 // here 1303 if (intent.getAction() != null && 1304 intent.getCategories() != null && 1305 intent.getAction().equals(Intent.ACTION_MAIN) && 1306 intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) { 1307 intent.addFlags( 1308 Intent.FLAG_ACTIVITY_NEW_TASK | 1309 Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); 1310 } 1311 } 1312 1313 if (info != null) { 1314 info.intent = intent; 1315 info.id = c.getLong(idIndex); 1316 container = c.getInt(containerIndex); 1317 info.container = container; 1318 info.screen = c.getInt(screenIndex); 1319 info.cellX = c.getInt(cellXIndex); 1320 info.cellY = c.getInt(cellYIndex); 1321 1322 // check & update map of what's occupied 1323 if (!checkItemPlacement(occupied, info)) { 1324 break; 1325 } 1326 1327 switch (container) { 1328 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1329 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1330 sBgWorkspaceItems.add(info); 1331 break; 1332 default: 1333 // Item is in a user folder 1334 FolderInfo folderInfo = 1335 findOrMakeFolder(sBgFolders, container); 1336 folderInfo.add(info); 1337 break; 1338 } 1339 sBgItemsIdMap.put(info.id, info); 1340 1341 // now that we've loaded everthing re-save it with the 1342 // icon in case it disappears somehow. 1343 queueIconToBeChecked(sBgDbIconCache, info, c, iconIndex); 1344 } else { 1345 // Failed to load the shortcut, probably because the 1346 // activity manager couldn't resolve it (maybe the app 1347 // was uninstalled), or the db row was somehow screwed up. 1348 // Delete it. 1349 id = c.getLong(idIndex); 1350 Log.e(TAG, "Error loading shortcut " + id + ", removing it"); 1351 contentResolver.delete(LauncherSettings.Favorites.getContentUri( 1352 id, false), null, null); 1353 } 1354 break; 1355 1356 case LauncherSettings.Favorites.ITEM_TYPE_FOLDER: 1357 id = c.getLong(idIndex); 1358 FolderInfo folderInfo = findOrMakeFolder(sBgFolders, id); 1359 1360 folderInfo.title = c.getString(titleIndex); 1361 folderInfo.id = id; 1362 container = c.getInt(containerIndex); 1363 folderInfo.container = container; 1364 folderInfo.screen = c.getInt(screenIndex); 1365 folderInfo.cellX = c.getInt(cellXIndex); 1366 folderInfo.cellY = c.getInt(cellYIndex); 1367 1368 // check & update map of what's occupied 1369 if (!checkItemPlacement(occupied, folderInfo)) { 1370 break; 1371 } 1372 switch (container) { 1373 case LauncherSettings.Favorites.CONTAINER_DESKTOP: 1374 case LauncherSettings.Favorites.CONTAINER_HOTSEAT: 1375 sBgWorkspaceItems.add(folderInfo); 1376 break; 1377 } 1378 1379 sBgItemsIdMap.put(folderInfo.id, folderInfo); 1380 sBgFolders.put(folderInfo.id, folderInfo); 1381 break; 1382 1383 case LauncherSettings.Favorites.ITEM_TYPE_APPWIDGET: 1384 // Read all Launcher-specific widget details 1385 int appWidgetId = c.getInt(appWidgetIdIndex); 1386 id = c.getLong(idIndex); 1387 1388 final AppWidgetProviderInfo provider = 1389 widgets.getAppWidgetInfo(appWidgetId); 1390 1391 if (!isSafeMode && (provider == null || provider.provider == null || 1392 provider.provider.getPackageName() == null)) { 1393 String log = "Deleting widget that isn't installed anymore: id=" 1394 + id + " appWidgetId=" + appWidgetId; 1395 Log.e(TAG, log); 1396 Launcher.sDumpLogs.add(log); 1397 itemsToRemove.add(id); 1398 } else { 1399 appWidgetInfo = new LauncherAppWidgetInfo(appWidgetId, 1400 provider.provider); 1401 appWidgetInfo.id = id; 1402 appWidgetInfo.screen = c.getInt(screenIndex); 1403 appWidgetInfo.cellX = c.getInt(cellXIndex); 1404 appWidgetInfo.cellY = c.getInt(cellYIndex); 1405 appWidgetInfo.spanX = c.getInt(spanXIndex); 1406 appWidgetInfo.spanY = c.getInt(spanYIndex); 1407 int[] minSpan = Launcher.getMinSpanForWidget(context, provider); 1408 appWidgetInfo.minSpanX = minSpan[0]; 1409 appWidgetInfo.minSpanY = minSpan[1]; 1410 1411 container = c.getInt(containerIndex); 1412 if (container != LauncherSettings.Favorites.CONTAINER_DESKTOP && 1413 container != LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1414 Log.e(TAG, "Widget found where container != " + 1415 "CONTAINER_DESKTOP nor CONTAINER_HOTSEAT - ignoring!"); 1416 continue; 1417 } 1418 appWidgetInfo.container = c.getInt(containerIndex); 1419 1420 // check & update map of what's occupied 1421 if (!checkItemPlacement(occupied, appWidgetInfo)) { 1422 break; 1423 } 1424 sBgItemsIdMap.put(appWidgetInfo.id, appWidgetInfo); 1425 sBgAppWidgets.add(appWidgetInfo); 1426 } 1427 break; 1428 } 1429 } catch (Exception e) { 1430 Log.w(TAG, "Desktop items loading interrupted:", e); 1431 } 1432 } 1433 } finally { 1434 c.close(); 1435 } 1436 1437 if (itemsToRemove.size() > 0) { 1438 ContentProviderClient client = contentResolver.acquireContentProviderClient( 1439 LauncherSettings.Favorites.CONTENT_URI); 1440 // Remove dead items 1441 for (long id : itemsToRemove) { 1442 if (DEBUG_LOADERS) { 1443 Log.d(TAG, "Removed id = " + id); 1444 } 1445 // Don't notify content observers 1446 try { 1447 client.delete(LauncherSettings.Favorites.getContentUri(id, false), 1448 null, null); 1449 } catch (RemoteException e) { 1450 Log.w(TAG, "Could not remove id = " + id); 1451 } 1452 } 1453 } 1454 1455 if (DEBUG_LOADERS) { 1456 Log.d(TAG, "loaded workspace in " + (SystemClock.uptimeMillis()-t) + "ms"); 1457 Log.d(TAG, "workspace layout: "); 1458 for (int y = 0; y < mCellCountY; y++) { 1459 String line = ""; 1460 for (int s = 0; s < Launcher.SCREEN_COUNT; s++) { 1461 if (s > 0) { 1462 line += " | "; 1463 } 1464 for (int x = 0; x < mCellCountX; x++) { 1465 line += ((occupied[s][x][y] != null) ? "#" : "."); 1466 } 1467 } 1468 Log.d(TAG, "[ " + line + " ]"); 1469 } 1470 } 1471 } 1472 } 1473 1474 /** Filters the set of items who are directly or indirectly (via another container) on the 1475 * specified screen. */ 1476 private void filterCurrentWorkspaceItems(int currentScreen, 1477 ArrayList<ItemInfo> allWorkspaceItems, 1478 ArrayList<ItemInfo> currentScreenItems, 1479 ArrayList<ItemInfo> otherScreenItems) { 1480 // Purge any null ItemInfos 1481 Iterator<ItemInfo> iter = allWorkspaceItems.iterator(); 1482 while (iter.hasNext()) { 1483 ItemInfo i = iter.next(); 1484 if (i == null) { 1485 iter.remove(); 1486 } 1487 } 1488 1489 // If we aren't filtering on a screen, then the set of items to load is the full set of 1490 // items given. 1491 if (currentScreen < 0) { 1492 currentScreenItems.addAll(allWorkspaceItems); 1493 } 1494 1495 // Order the set of items by their containers first, this allows use to walk through the 1496 // list sequentially, build up a list of containers that are in the specified screen, 1497 // as well as all items in those containers. 1498 Set<Long> itemsOnScreen = new HashSet<Long>(); 1499 Collections.sort(allWorkspaceItems, new Comparator<ItemInfo>() { 1500 @Override 1501 public int compare(ItemInfo lhs, ItemInfo rhs) { 1502 return (int) (lhs.container - rhs.container); 1503 } 1504 }); 1505 for (ItemInfo info : allWorkspaceItems) { 1506 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP) { 1507 if (info.screen == currentScreen) { 1508 currentScreenItems.add(info); 1509 itemsOnScreen.add(info.id); 1510 } else { 1511 otherScreenItems.add(info); 1512 } 1513 } else if (info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT) { 1514 currentScreenItems.add(info); 1515 itemsOnScreen.add(info.id); 1516 } else { 1517 if (itemsOnScreen.contains(info.container)) { 1518 currentScreenItems.add(info); 1519 itemsOnScreen.add(info.id); 1520 } else { 1521 otherScreenItems.add(info); 1522 } 1523 } 1524 } 1525 } 1526 1527 /** Filters the set of widgets which are on the specified screen. */ 1528 private void filterCurrentAppWidgets(int currentScreen, 1529 ArrayList<LauncherAppWidgetInfo> appWidgets, 1530 ArrayList<LauncherAppWidgetInfo> currentScreenWidgets, 1531 ArrayList<LauncherAppWidgetInfo> otherScreenWidgets) { 1532 // If we aren't filtering on a screen, then the set of items to load is the full set of 1533 // widgets given. 1534 if (currentScreen < 0) { 1535 currentScreenWidgets.addAll(appWidgets); 1536 } 1537 1538 for (LauncherAppWidgetInfo widget : appWidgets) { 1539 if (widget == null) continue; 1540 if (widget.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1541 widget.screen == currentScreen) { 1542 currentScreenWidgets.add(widget); 1543 } else { 1544 otherScreenWidgets.add(widget); 1545 } 1546 } 1547 } 1548 1549 /** Filters the set of folders which are on the specified screen. */ 1550 private void filterCurrentFolders(int currentScreen, 1551 HashMap<Long, ItemInfo> itemsIdMap, 1552 HashMap<Long, FolderInfo> folders, 1553 HashMap<Long, FolderInfo> currentScreenFolders, 1554 HashMap<Long, FolderInfo> otherScreenFolders) { 1555 // If we aren't filtering on a screen, then the set of items to load is the full set of 1556 // widgets given. 1557 if (currentScreen < 0) { 1558 currentScreenFolders.putAll(folders); 1559 } 1560 1561 for (long id : folders.keySet()) { 1562 ItemInfo info = itemsIdMap.get(id); 1563 FolderInfo folder = folders.get(id); 1564 if (info == null || folder == null) continue; 1565 if (info.container == LauncherSettings.Favorites.CONTAINER_DESKTOP && 1566 info.screen == currentScreen) { 1567 currentScreenFolders.put(id, folder); 1568 } else { 1569 otherScreenFolders.put(id, folder); 1570 } 1571 } 1572 } 1573 1574 /** Sorts the set of items by hotseat, workspace (spatially from top to bottom, left to 1575 * right) */ 1576 private void sortWorkspaceItemsSpatially(ArrayList<ItemInfo> workspaceItems) { 1577 // XXX: review this 1578 Collections.sort(workspaceItems, new Comparator<ItemInfo>() { 1579 @Override 1580 public int compare(ItemInfo lhs, ItemInfo rhs) { 1581 int cellCountX = LauncherModel.getCellCountX(); 1582 int cellCountY = LauncherModel.getCellCountY(); 1583 int screenOffset = cellCountX * cellCountY; 1584 int containerOffset = screenOffset * (Launcher.SCREEN_COUNT + 1); // +1 hotseat 1585 long lr = (lhs.container * containerOffset + lhs.screen * screenOffset + 1586 lhs.cellY * cellCountX + lhs.cellX); 1587 long rr = (rhs.container * containerOffset + rhs.screen * screenOffset + 1588 rhs.cellY * cellCountX + rhs.cellX); 1589 return (int) (lr - rr); 1590 } 1591 }); 1592 } 1593 1594 private void bindWorkspaceItems(final Callbacks oldCallbacks, 1595 final ArrayList<ItemInfo> workspaceItems, 1596 final ArrayList<LauncherAppWidgetInfo> appWidgets, 1597 final HashMap<Long, FolderInfo> folders, 1598 ArrayList<Runnable> deferredBindRunnables) { 1599 1600 final boolean postOnMainThread = (deferredBindRunnables != null); 1601 1602 // Bind the workspace items 1603 int N = workspaceItems.size(); 1604 for (int i = 0; i < N; i += ITEMS_CHUNK) { 1605 final int start = i; 1606 final int chunkSize = (i+ITEMS_CHUNK <= N) ? ITEMS_CHUNK : (N-i); 1607 final Runnable r = new Runnable() { 1608 @Override 1609 public void run() { 1610 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1611 if (callbacks != null) { 1612 callbacks.bindItems(workspaceItems, start, start+chunkSize); 1613 } 1614 } 1615 }; 1616 if (postOnMainThread) { 1617 deferredBindRunnables.add(r); 1618 } else { 1619 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 1620 } 1621 } 1622 1623 // Bind the folders 1624 if (!folders.isEmpty()) { 1625 final Runnable r = new Runnable() { 1626 public void run() { 1627 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1628 if (callbacks != null) { 1629 callbacks.bindFolders(folders); 1630 } 1631 } 1632 }; 1633 if (postOnMainThread) { 1634 deferredBindRunnables.add(r); 1635 } else { 1636 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 1637 } 1638 } 1639 1640 // Bind the widgets, one at a time 1641 N = appWidgets.size(); 1642 for (int i = 0; i < N; i++) { 1643 final LauncherAppWidgetInfo widget = appWidgets.get(i); 1644 final Runnable r = new Runnable() { 1645 public void run() { 1646 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1647 if (callbacks != null) { 1648 callbacks.bindAppWidget(widget); 1649 } 1650 } 1651 }; 1652 if (postOnMainThread) { 1653 deferredBindRunnables.add(r); 1654 } else { 1655 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 1656 } 1657 } 1658 } 1659 1660 /** 1661 * Binds all loaded data to actual views on the main thread. 1662 */ 1663 private void bindWorkspace(int synchronizeBindPage) { 1664 final long t = SystemClock.uptimeMillis(); 1665 Runnable r; 1666 1667 // Don't use these two variables in any of the callback runnables. 1668 // Otherwise we hold a reference to them. 1669 final Callbacks oldCallbacks = mCallbacks.get(); 1670 if (oldCallbacks == null) { 1671 // This launcher has exited and nobody bothered to tell us. Just bail. 1672 Log.w(TAG, "LoaderTask running with no launcher"); 1673 return; 1674 } 1675 1676 final boolean isLoadingSynchronously = (synchronizeBindPage > -1); 1677 final int currentScreen = isLoadingSynchronously ? synchronizeBindPage : 1678 oldCallbacks.getCurrentWorkspaceScreen(); 1679 1680 // Load all the items that are on the current page first (and in the process, unbind 1681 // all the existing workspace items before we call startBinding() below. 1682 unbindWorkspaceItemsOnMainThread(); 1683 ArrayList<ItemInfo> workspaceItems = new ArrayList<ItemInfo>(); 1684 ArrayList<LauncherAppWidgetInfo> appWidgets = 1685 new ArrayList<LauncherAppWidgetInfo>(); 1686 HashMap<Long, FolderInfo> folders = new HashMap<Long, FolderInfo>(); 1687 HashMap<Long, ItemInfo> itemsIdMap = new HashMap<Long, ItemInfo>(); 1688 synchronized (sBgLock) { 1689 workspaceItems.addAll(sBgWorkspaceItems); 1690 appWidgets.addAll(sBgAppWidgets); 1691 folders.putAll(sBgFolders); 1692 itemsIdMap.putAll(sBgItemsIdMap); 1693 } 1694 1695 ArrayList<ItemInfo> currentWorkspaceItems = new ArrayList<ItemInfo>(); 1696 ArrayList<ItemInfo> otherWorkspaceItems = new ArrayList<ItemInfo>(); 1697 ArrayList<LauncherAppWidgetInfo> currentAppWidgets = 1698 new ArrayList<LauncherAppWidgetInfo>(); 1699 ArrayList<LauncherAppWidgetInfo> otherAppWidgets = 1700 new ArrayList<LauncherAppWidgetInfo>(); 1701 HashMap<Long, FolderInfo> currentFolders = new HashMap<Long, FolderInfo>(); 1702 HashMap<Long, FolderInfo> otherFolders = new HashMap<Long, FolderInfo>(); 1703 1704 // Separate the items that are on the current screen, and all the other remaining items 1705 filterCurrentWorkspaceItems(currentScreen, workspaceItems, currentWorkspaceItems, 1706 otherWorkspaceItems); 1707 filterCurrentAppWidgets(currentScreen, appWidgets, currentAppWidgets, 1708 otherAppWidgets); 1709 filterCurrentFolders(currentScreen, itemsIdMap, folders, currentFolders, 1710 otherFolders); 1711 sortWorkspaceItemsSpatially(currentWorkspaceItems); 1712 sortWorkspaceItemsSpatially(otherWorkspaceItems); 1713 1714 // Tell the workspace that we're about to start binding items 1715 r = new Runnable() { 1716 public void run() { 1717 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1718 if (callbacks != null) { 1719 callbacks.startBinding(); 1720 } 1721 } 1722 }; 1723 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 1724 1725 // Load items on the current page 1726 bindWorkspaceItems(oldCallbacks, currentWorkspaceItems, currentAppWidgets, 1727 currentFolders, null); 1728 if (isLoadingSynchronously) { 1729 r = new Runnable() { 1730 public void run() { 1731 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1732 if (callbacks != null) { 1733 callbacks.onPageBoundSynchronously(currentScreen); 1734 } 1735 } 1736 }; 1737 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 1738 } 1739 1740 // Load all the remaining pages (if we are loading synchronously, we want to defer this 1741 // work until after the first render) 1742 mDeferredBindRunnables.clear(); 1743 bindWorkspaceItems(oldCallbacks, otherWorkspaceItems, otherAppWidgets, otherFolders, 1744 (isLoadingSynchronously ? mDeferredBindRunnables : null)); 1745 1746 // Tell the workspace that we're done binding items 1747 r = new Runnable() { 1748 public void run() { 1749 Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1750 if (callbacks != null) { 1751 callbacks.finishBindingItems(); 1752 } 1753 1754 // If we're profiling, ensure this is the last thing in the queue. 1755 if (DEBUG_LOADERS) { 1756 Log.d(TAG, "bound workspace in " 1757 + (SystemClock.uptimeMillis()-t) + "ms"); 1758 } 1759 1760 mIsLoadingAndBindingWorkspace = false; 1761 } 1762 }; 1763 if (isLoadingSynchronously) { 1764 mDeferredBindRunnables.add(r); 1765 } else { 1766 runOnMainThread(r, MAIN_THREAD_BINDING_RUNNABLE); 1767 } 1768 } 1769 1770 private void loadAndBindAllApps() { 1771 if (DEBUG_LOADERS) { 1772 Log.d(TAG, "loadAndBindAllApps mAllAppsLoaded=" + mAllAppsLoaded); 1773 } 1774 if (!mAllAppsLoaded) { 1775 loadAllAppsByBatch(); 1776 synchronized (LoaderTask.this) { 1777 if (mStopped) { 1778 return; 1779 } 1780 mAllAppsLoaded = true; 1781 } 1782 } else { 1783 onlyBindAllApps(); 1784 } 1785 } 1786 1787 private void onlyBindAllApps() { 1788 final Callbacks oldCallbacks = mCallbacks.get(); 1789 if (oldCallbacks == null) { 1790 // This launcher has exited and nobody bothered to tell us. Just bail. 1791 Log.w(TAG, "LoaderTask running with no launcher (onlyBindAllApps)"); 1792 return; 1793 } 1794 1795 // shallow copy 1796 @SuppressWarnings("unchecked") 1797 final ArrayList<ApplicationInfo> list 1798 = (ArrayList<ApplicationInfo>) mBgAllAppsList.data.clone(); 1799 Runnable r = new Runnable() { 1800 public void run() { 1801 final long t = SystemClock.uptimeMillis(); 1802 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1803 if (callbacks != null) { 1804 callbacks.bindAllApplications(list); 1805 } 1806 if (DEBUG_LOADERS) { 1807 Log.d(TAG, "bound all " + list.size() + " apps from cache in " 1808 + (SystemClock.uptimeMillis()-t) + "ms"); 1809 } 1810 } 1811 }; 1812 boolean isRunningOnMainThread = !(sWorkerThread.getThreadId() == Process.myTid()); 1813 if (oldCallbacks.isAllAppsVisible() && isRunningOnMainThread) { 1814 r.run(); 1815 } else { 1816 mHandler.post(r); 1817 } 1818 } 1819 1820 private void loadAllAppsByBatch() { 1821 final long t = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1822 1823 // Don't use these two variables in any of the callback runnables. 1824 // Otherwise we hold a reference to them. 1825 final Callbacks oldCallbacks = mCallbacks.get(); 1826 if (oldCallbacks == null) { 1827 // This launcher has exited and nobody bothered to tell us. Just bail. 1828 Log.w(TAG, "LoaderTask running with no launcher (loadAllAppsByBatch)"); 1829 return; 1830 } 1831 1832 final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null); 1833 mainIntent.addCategory(Intent.CATEGORY_LAUNCHER); 1834 1835 final PackageManager packageManager = mContext.getPackageManager(); 1836 List<ResolveInfo> apps = null; 1837 1838 int N = Integer.MAX_VALUE; 1839 1840 int startIndex; 1841 int i=0; 1842 int batchSize = -1; 1843 while (i < N && !mStopped) { 1844 if (i == 0) { 1845 mBgAllAppsList.clear(); 1846 final long qiaTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1847 apps = packageManager.queryIntentActivities(mainIntent, 0); 1848 if (DEBUG_LOADERS) { 1849 Log.d(TAG, "queryIntentActivities took " 1850 + (SystemClock.uptimeMillis()-qiaTime) + "ms"); 1851 } 1852 if (apps == null) { 1853 return; 1854 } 1855 N = apps.size(); 1856 if (DEBUG_LOADERS) { 1857 Log.d(TAG, "queryIntentActivities got " + N + " apps"); 1858 } 1859 if (N == 0) { 1860 // There are no apps?!? 1861 return; 1862 } 1863 if (mBatchSize == 0) { 1864 batchSize = N; 1865 } else { 1866 batchSize = mBatchSize; 1867 } 1868 1869 final long sortTime = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1870 Collections.sort(apps, 1871 new LauncherModel.ShortcutNameComparator(packageManager, mLabelCache)); 1872 if (DEBUG_LOADERS) { 1873 Log.d(TAG, "sort took " 1874 + (SystemClock.uptimeMillis()-sortTime) + "ms"); 1875 } 1876 } 1877 1878 final long t2 = DEBUG_LOADERS ? SystemClock.uptimeMillis() : 0; 1879 1880 startIndex = i; 1881 for (int j=0; i<N && j<batchSize; j++) { 1882 // This builds the icon bitmaps. 1883 mBgAllAppsList.add(new ApplicationInfo(packageManager, apps.get(i), 1884 mIconCache, mLabelCache)); 1885 i++; 1886 } 1887 1888 final boolean first = i <= batchSize; 1889 final Callbacks callbacks = tryGetCallbacks(oldCallbacks); 1890 final ArrayList<ApplicationInfo> added = mBgAllAppsList.added; 1891 mBgAllAppsList.added = new ArrayList<ApplicationInfo>(); 1892 1893 mHandler.post(new Runnable() { 1894 public void run() { 1895 final long t = SystemClock.uptimeMillis(); 1896 if (callbacks != null) { 1897 if (first) { 1898 callbacks.bindAllApplications(added); 1899 } else { 1900 callbacks.bindAppsAdded(added); 1901 } 1902 if (DEBUG_LOADERS) { 1903 Log.d(TAG, "bound " + added.size() + " apps in " 1904 + (SystemClock.uptimeMillis() - t) + "ms"); 1905 } 1906 } else { 1907 Log.i(TAG, "not binding apps: no Launcher activity"); 1908 } 1909 } 1910 }); 1911 1912 if (DEBUG_LOADERS) { 1913 Log.d(TAG, "batch of " + (i-startIndex) + " icons processed in " 1914 + (SystemClock.uptimeMillis()-t2) + "ms"); 1915 } 1916 1917 if (mAllAppsLoadDelay > 0 && i < N) { 1918 try { 1919 if (DEBUG_LOADERS) { 1920 Log.d(TAG, "sleeping for " + mAllAppsLoadDelay + "ms"); 1921 } 1922 Thread.sleep(mAllAppsLoadDelay); 1923 } catch (InterruptedException exc) { } 1924 } 1925 } 1926 1927 if (DEBUG_LOADERS) { 1928 Log.d(TAG, "cached all " + N + " apps in " 1929 + (SystemClock.uptimeMillis()-t) + "ms" 1930 + (mAllAppsLoadDelay > 0 ? " (including delay)" : "")); 1931 } 1932 } 1933 1934 public void dumpState() { 1935 synchronized (sBgLock) { 1936 Log.d(TAG, "mLoaderTask.mContext=" + mContext); 1937 Log.d(TAG, "mLoaderTask.mIsLaunching=" + mIsLaunching); 1938 Log.d(TAG, "mLoaderTask.mStopped=" + mStopped); 1939 Log.d(TAG, "mLoaderTask.mLoadAndBindStepFinished=" + mLoadAndBindStepFinished); 1940 Log.d(TAG, "mItems size=" + sBgWorkspaceItems.size()); 1941 } 1942 } 1943 } 1944 1945 void enqueuePackageUpdated(PackageUpdatedTask task) { 1946 sWorker.post(task); 1947 } 1948 1949 private class PackageUpdatedTask implements Runnable { 1950 int mOp; 1951 String[] mPackages; 1952 1953 public static final int OP_NONE = 0; 1954 public static final int OP_ADD = 1; 1955 public static final int OP_UPDATE = 2; 1956 public static final int OP_REMOVE = 3; // uninstlled 1957 public static final int OP_UNAVAILABLE = 4; // external media unmounted 1958 1959 1960 public PackageUpdatedTask(int op, String[] packages) { 1961 mOp = op; 1962 mPackages = packages; 1963 } 1964 1965 public void run() { 1966 final Context context = mApp; 1967 1968 final String[] packages = mPackages; 1969 final int N = packages.length; 1970 switch (mOp) { 1971 case OP_ADD: 1972 for (int i=0; i<N; i++) { 1973 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.addPackage " + packages[i]); 1974 mBgAllAppsList.addPackage(context, packages[i]); 1975 } 1976 break; 1977 case OP_UPDATE: 1978 for (int i=0; i<N; i++) { 1979 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.updatePackage " + packages[i]); 1980 mBgAllAppsList.updatePackage(context, packages[i]); 1981 } 1982 break; 1983 case OP_REMOVE: 1984 case OP_UNAVAILABLE: 1985 for (int i=0; i<N; i++) { 1986 if (DEBUG_LOADERS) Log.d(TAG, "mAllAppsList.removePackage " + packages[i]); 1987 mBgAllAppsList.removePackage(packages[i]); 1988 } 1989 break; 1990 } 1991 1992 ArrayList<ApplicationInfo> added = null; 1993 ArrayList<ApplicationInfo> modified = null; 1994 1995 if (mBgAllAppsList.added.size() > 0) { 1996 added = new ArrayList<ApplicationInfo>(mBgAllAppsList.added); 1997 mBgAllAppsList.added.clear(); 1998 } 1999 if (mBgAllAppsList.modified.size() > 0) { 2000 modified = new ArrayList<ApplicationInfo>(mBgAllAppsList.modified); 2001 mBgAllAppsList.modified.clear(); 2002 } 2003 // We may be removing packages that have no associated launcher application, so we 2004 // pass through the removed package names directly. 2005 // NOTE: We flush the icon cache aggressively in removePackage() above. 2006 final ArrayList<String> removedPackageNames = new ArrayList<String>(); 2007 if (mBgAllAppsList.removed.size() > 0) { 2008 mBgAllAppsList.removed.clear(); 2009 2010 for (int i = 0; i < N; ++i) { 2011 removedPackageNames.add(packages[i]); 2012 } 2013 } 2014 2015 final Callbacks callbacks = mCallbacks != null ? mCallbacks.get() : null; 2016 if (callbacks == null) { 2017 Log.w(TAG, "Nobody to tell about the new app. Launcher is probably loading."); 2018 return; 2019 } 2020 2021 if (added != null) { 2022 final ArrayList<ApplicationInfo> addedFinal = added; 2023 mHandler.post(new Runnable() { 2024 public void run() { 2025 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2026 if (callbacks == cb && cb != null) { 2027 callbacks.bindAppsAdded(addedFinal); 2028 } 2029 } 2030 }); 2031 } 2032 if (modified != null) { 2033 final ArrayList<ApplicationInfo> modifiedFinal = modified; 2034 mHandler.post(new Runnable() { 2035 public void run() { 2036 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2037 if (callbacks == cb && cb != null) { 2038 callbacks.bindAppsUpdated(modifiedFinal); 2039 } 2040 } 2041 }); 2042 } 2043 if (!removedPackageNames.isEmpty()) { 2044 final boolean permanent = mOp != OP_UNAVAILABLE; 2045 mHandler.post(new Runnable() { 2046 public void run() { 2047 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2048 if (callbacks == cb && cb != null) { 2049 callbacks.bindAppsRemoved(removedPackageNames, permanent); 2050 } 2051 } 2052 }); 2053 } 2054 2055 mHandler.post(new Runnable() { 2056 @Override 2057 public void run() { 2058 Callbacks cb = mCallbacks != null ? mCallbacks.get() : null; 2059 if (callbacks == cb && cb != null) { 2060 callbacks.bindPackagesUpdated(); 2061 } 2062 } 2063 }); 2064 } 2065 } 2066 2067 /** 2068 * This is called from the code that adds shortcuts from the intent receiver. This 2069 * doesn't have a Cursor, but 2070 */ 2071 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context) { 2072 return getShortcutInfo(manager, intent, context, null, -1, -1, null); 2073 } 2074 2075 /** 2076 * Make an ShortcutInfo object for a shortcut that is an application. 2077 * 2078 * If c is not null, then it will be used to fill in missing data like the title and icon. 2079 */ 2080 public ShortcutInfo getShortcutInfo(PackageManager manager, Intent intent, Context context, 2081 Cursor c, int iconIndex, int titleIndex, HashMap<Object, CharSequence> labelCache) { 2082 Bitmap icon = null; 2083 final ShortcutInfo info = new ShortcutInfo(); 2084 2085 ComponentName componentName = intent.getComponent(); 2086 if (componentName == null) { 2087 return null; 2088 } 2089 2090 try { 2091 PackageInfo pi = manager.getPackageInfo(componentName.getPackageName(), 0); 2092 if (!pi.applicationInfo.enabled) { 2093 // If we return null here, the corresponding item will be removed from the launcher 2094 // db and will not appear in the workspace. 2095 return null; 2096 } 2097 } catch (NameNotFoundException e) { 2098 Log.d(TAG, "getPackInfo failed for package " + componentName.getPackageName()); 2099 } 2100 2101 // TODO: See if the PackageManager knows about this case. If it doesn't 2102 // then return null & delete this. 2103 2104 // the resource -- This may implicitly give us back the fallback icon, 2105 // but don't worry about that. All we're doing with usingFallbackIcon is 2106 // to avoid saving lots of copies of that in the database, and most apps 2107 // have icons anyway. 2108 2109 // Attempt to use queryIntentActivities to get the ResolveInfo (with IntentFilter info) and 2110 // if that fails, or is ambiguious, fallback to the standard way of getting the resolve info 2111 // via resolveActivity(). 2112 ResolveInfo resolveInfo = null; 2113 ComponentName oldComponent = intent.getComponent(); 2114 Intent newIntent = new Intent(intent.getAction(), null); 2115 newIntent.addCategory(Intent.CATEGORY_LAUNCHER); 2116 newIntent.setPackage(oldComponent.getPackageName()); 2117 List<ResolveInfo> infos = manager.queryIntentActivities(newIntent, 0); 2118 for (ResolveInfo i : infos) { 2119 ComponentName cn = new ComponentName(i.activityInfo.packageName, 2120 i.activityInfo.name); 2121 if (cn.equals(oldComponent)) { 2122 resolveInfo = i; 2123 } 2124 } 2125 if (resolveInfo == null) { 2126 resolveInfo = manager.resolveActivity(intent, 0); 2127 } 2128 if (resolveInfo != null) { 2129 icon = mIconCache.getIcon(componentName, resolveInfo, labelCache); 2130 } 2131 // the db 2132 if (icon == null) { 2133 if (c != null) { 2134 icon = getIconFromCursor(c, iconIndex, context); 2135 } 2136 } 2137 // the fallback icon 2138 if (icon == null) { 2139 icon = getFallbackIcon(); 2140 info.usingFallbackIcon = true; 2141 } 2142 info.setIcon(icon); 2143 2144 // from the resource 2145 if (resolveInfo != null) { 2146 ComponentName key = LauncherModel.getComponentNameFromResolveInfo(resolveInfo); 2147 if (labelCache != null && labelCache.containsKey(key)) { 2148 info.title = labelCache.get(key); 2149 } else { 2150 info.title = resolveInfo.activityInfo.loadLabel(manager); 2151 if (labelCache != null) { 2152 labelCache.put(key, info.title); 2153 } 2154 } 2155 } 2156 // from the db 2157 if (info.title == null) { 2158 if (c != null) { 2159 info.title = c.getString(titleIndex); 2160 } 2161 } 2162 // fall back to the class name of the activity 2163 if (info.title == null) { 2164 info.title = componentName.getClassName(); 2165 } 2166 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_APPLICATION; 2167 return info; 2168 } 2169 2170 /** 2171 * Returns the set of workspace ShortcutInfos with the specified intent. 2172 */ 2173 static ArrayList<ItemInfo> getWorkspaceShortcutItemInfosWithIntent(Intent intent) { 2174 ArrayList<ItemInfo> items = new ArrayList<ItemInfo>(); 2175 synchronized (sBgLock) { 2176 for (ItemInfo info : sBgWorkspaceItems) { 2177 if (info instanceof ShortcutInfo) { 2178 ShortcutInfo shortcut = (ShortcutInfo) info; 2179 if (shortcut.intent.toUri(0).equals(intent.toUri(0))) { 2180 items.add(shortcut); 2181 } 2182 } 2183 } 2184 } 2185 return items; 2186 } 2187 2188 /** 2189 * Make an ShortcutInfo object for a shortcut that isn't an application. 2190 */ 2191 private ShortcutInfo getShortcutInfo(Cursor c, Context context, 2192 int iconTypeIndex, int iconPackageIndex, int iconResourceIndex, int iconIndex, 2193 int titleIndex) { 2194 2195 Bitmap icon = null; 2196 final ShortcutInfo info = new ShortcutInfo(); 2197 info.itemType = LauncherSettings.Favorites.ITEM_TYPE_SHORTCUT; 2198 2199 // TODO: If there's an explicit component and we can't install that, delete it. 2200 2201 info.title = c.getString(titleIndex); 2202 2203 int iconType = c.getInt(iconTypeIndex); 2204 switch (iconType) { 2205 case LauncherSettings.Favorites.ICON_TYPE_RESOURCE: 2206 String packageName = c.getString(iconPackageIndex); 2207 String resourceName = c.getString(iconResourceIndex); 2208 PackageManager packageManager = context.getPackageManager(); 2209 info.customIcon = false; 2210 // the resource 2211 try { 2212 Resources resources = packageManager.getResourcesForApplication(packageName); 2213 if (resources != null) { 2214 final int id = resources.getIdentifier(resourceName, null, null); 2215 icon = Utilities.createIconBitmap( 2216 mIconCache.getFullResIcon(resources, id), context); 2217 } 2218 } catch (Exception e) { 2219 // drop this. we have other places to look for icons 2220 } 2221 // the db 2222 if (icon == null) { 2223 icon = getIconFromCursor(c, iconIndex, context); 2224 } 2225 // the fallback icon 2226 if (icon == null) { 2227 icon = getFallbackIcon(); 2228 info.usingFallbackIcon = true; 2229 } 2230 break; 2231 case LauncherSettings.Favorites.ICON_TYPE_BITMAP: 2232 icon = getIconFromCursor(c, iconIndex, context); 2233 if (icon == null) { 2234 icon = getFallbackIcon(); 2235 info.customIcon = false; 2236 info.usingFallbackIcon = true; 2237 } else { 2238 info.customIcon = true; 2239 } 2240 break; 2241 default: 2242 icon = getFallbackIcon(); 2243 info.usingFallbackIcon = true; 2244 info.customIcon = false; 2245 break; 2246 } 2247 info.setIcon(icon); 2248 return info; 2249 } 2250 2251 Bitmap getIconFromCursor(Cursor c, int iconIndex, Context context) { 2252 @SuppressWarnings("all") // suppress dead code warning 2253 final boolean debug = false; 2254 if (debug) { 2255 Log.d(TAG, "getIconFromCursor app=" 2256 + c.getString(c.getColumnIndexOrThrow(LauncherSettings.Favorites.TITLE))); 2257 } 2258 byte[] data = c.getBlob(iconIndex); 2259 try { 2260 return Utilities.createIconBitmap( 2261 BitmapFactory.decodeByteArray(data, 0, data.length), context); 2262 } catch (Exception e) { 2263 return null; 2264 } 2265 } 2266 2267 ShortcutInfo addShortcut(Context context, Intent data, long container, int screen, 2268 int cellX, int cellY, boolean notify) { 2269 final ShortcutInfo info = infoFromShortcutIntent(context, data, null); 2270 if (info == null) { 2271 return null; 2272 } 2273 addItemToDatabase(context, info, container, screen, cellX, cellY, notify); 2274 2275 return info; 2276 } 2277 2278 /** 2279 * Attempts to find an AppWidgetProviderInfo that matches the given component. 2280 */ 2281 AppWidgetProviderInfo findAppWidgetProviderInfoWithComponent(Context context, 2282 ComponentName component) { 2283 List<AppWidgetProviderInfo> widgets = 2284 AppWidgetManager.getInstance(context).getInstalledProviders(); 2285 for (AppWidgetProviderInfo info : widgets) { 2286 if (info.provider.equals(component)) { 2287 return info; 2288 } 2289 } 2290 return null; 2291 } 2292 2293 /** 2294 * Returns a list of all the widgets that can handle configuration with a particular mimeType. 2295 */ 2296 List<WidgetMimeTypeHandlerData> resolveWidgetsForMimeType(Context context, String mimeType) { 2297 final PackageManager packageManager = context.getPackageManager(); 2298 final List<WidgetMimeTypeHandlerData> supportedConfigurationActivities = 2299 new ArrayList<WidgetMimeTypeHandlerData>(); 2300 2301 final Intent supportsIntent = 2302 new Intent(InstallWidgetReceiver.ACTION_SUPPORTS_CLIPDATA_MIMETYPE); 2303 supportsIntent.setType(mimeType); 2304 2305 // Create a set of widget configuration components that we can test against 2306 final List<AppWidgetProviderInfo> widgets = 2307 AppWidgetManager.getInstance(context).getInstalledProviders(); 2308 final HashMap<ComponentName, AppWidgetProviderInfo> configurationComponentToWidget = 2309 new HashMap<ComponentName, AppWidgetProviderInfo>(); 2310 for (AppWidgetProviderInfo info : widgets) { 2311 configurationComponentToWidget.put(info.configure, info); 2312 } 2313 2314 // Run through each of the intents that can handle this type of clip data, and cross 2315 // reference them with the components that are actual configuration components 2316 final List<ResolveInfo> activities = packageManager.queryIntentActivities(supportsIntent, 2317 PackageManager.MATCH_DEFAULT_ONLY); 2318 for (ResolveInfo info : activities) { 2319 final ActivityInfo activityInfo = info.activityInfo; 2320 final ComponentName infoComponent = new ComponentName(activityInfo.packageName, 2321 activityInfo.name); 2322 if (configurationComponentToWidget.containsKey(infoComponent)) { 2323 supportedConfigurationActivities.add( 2324 new InstallWidgetReceiver.WidgetMimeTypeHandlerData(info, 2325 configurationComponentToWidget.get(infoComponent))); 2326 } 2327 } 2328 return supportedConfigurationActivities; 2329 } 2330 2331 ShortcutInfo infoFromShortcutIntent(Context context, Intent data, Bitmap fallbackIcon) { 2332 Intent intent = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_INTENT); 2333 String name = data.getStringExtra(Intent.EXTRA_SHORTCUT_NAME); 2334 Parcelable bitmap = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON); 2335 2336 if (intent == null) { 2337 // If the intent is null, we can't construct a valid ShortcutInfo, so we return null 2338 Log.e(TAG, "Can't construct ShorcutInfo with null intent"); 2339 return null; 2340 } 2341 2342 Bitmap icon = null; 2343 boolean customIcon = false; 2344 ShortcutIconResource iconResource = null; 2345 2346 if (bitmap != null && bitmap instanceof Bitmap) { 2347 icon = Utilities.createIconBitmap(new FastBitmapDrawable((Bitmap)bitmap), context); 2348 customIcon = true; 2349 } else { 2350 Parcelable extra = data.getParcelableExtra(Intent.EXTRA_SHORTCUT_ICON_RESOURCE); 2351 if (extra != null && extra instanceof ShortcutIconResource) { 2352 try { 2353 iconResource = (ShortcutIconResource) extra; 2354 final PackageManager packageManager = context.getPackageManager(); 2355 Resources resources = packageManager.getResourcesForApplication( 2356 iconResource.packageName); 2357 final int id = resources.getIdentifier(iconResource.resourceName, null, null); 2358 icon = Utilities.createIconBitmap( 2359 mIconCache.getFullResIcon(resources, id), context); 2360 } catch (Exception e) { 2361 Log.w(TAG, "Could not load shortcut icon: " + extra); 2362 } 2363 } 2364 } 2365 2366 final ShortcutInfo info = new ShortcutInfo(); 2367 2368 if (icon == null) { 2369 if (fallbackIcon != null) { 2370 icon = fallbackIcon; 2371 } else { 2372 icon = getFallbackIcon(); 2373 info.usingFallbackIcon = true; 2374 } 2375 } 2376 info.setIcon(icon); 2377 2378 info.title = name; 2379 info.intent = intent; 2380 info.customIcon = customIcon; 2381 info.iconResource = iconResource; 2382 2383 return info; 2384 } 2385 2386 boolean queueIconToBeChecked(HashMap<Object, byte[]> cache, ShortcutInfo info, Cursor c, 2387 int iconIndex) { 2388 // If apps can't be on SD, don't even bother. 2389 if (!mAppsCanBeOnExternalStorage) { 2390 return false; 2391 } 2392 // If this icon doesn't have a custom icon, check to see 2393 // what's stored in the DB, and if it doesn't match what 2394 // we're going to show, store what we are going to show back 2395 // into the DB. We do this so when we're loading, if the 2396 // package manager can't find an icon (for example because 2397 // the app is on SD) then we can use that instead. 2398 if (!info.customIcon && !info.usingFallbackIcon) { 2399 cache.put(info, c.getBlob(iconIndex)); 2400 return true; 2401 } 2402 return false; 2403 } 2404 void updateSavedIcon(Context context, ShortcutInfo info, byte[] data) { 2405 boolean needSave = false; 2406 try { 2407 if (data != null) { 2408 Bitmap saved = BitmapFactory.decodeByteArray(data, 0, data.length); 2409 Bitmap loaded = info.getIcon(mIconCache); 2410 needSave = !saved.sameAs(loaded); 2411 } else { 2412 needSave = true; 2413 } 2414 } catch (Exception e) { 2415 needSave = true; 2416 } 2417 if (needSave) { 2418 Log.d(TAG, "going to save icon bitmap for info=" + info); 2419 // This is slower than is ideal, but this only happens once 2420 // or when the app is updated with a new icon. 2421 updateItemInDatabase(context, info); 2422 } 2423 } 2424 2425 /** 2426 * Return an existing FolderInfo object if we have encountered this ID previously, 2427 * or make a new one. 2428 */ 2429 private static FolderInfo findOrMakeFolder(HashMap<Long, FolderInfo> folders, long id) { 2430 // See if a placeholder was created for us already 2431 FolderInfo folderInfo = folders.get(id); 2432 if (folderInfo == null) { 2433 // No placeholder -- create a new instance 2434 folderInfo = new FolderInfo(); 2435 folders.put(id, folderInfo); 2436 } 2437 return folderInfo; 2438 } 2439 2440 private static final Collator sCollator = Collator.getInstance(); 2441 public static final Comparator<ApplicationInfo> APP_NAME_COMPARATOR 2442 = new Comparator<ApplicationInfo>() { 2443 public final int compare(ApplicationInfo a, ApplicationInfo b) { 2444 int result = sCollator.compare(a.title.toString(), b.title.toString()); 2445 if (result == 0) { 2446 result = a.componentName.compareTo(b.componentName); 2447 } 2448 return result; 2449 } 2450 }; 2451 public static final Comparator<ApplicationInfo> APP_INSTALL_TIME_COMPARATOR 2452 = new Comparator<ApplicationInfo>() { 2453 public final int compare(ApplicationInfo a, ApplicationInfo b) { 2454 if (a.firstInstallTime < b.firstInstallTime) return 1; 2455 if (a.firstInstallTime > b.firstInstallTime) return -1; 2456 return 0; 2457 } 2458 }; 2459 public static final Comparator<AppWidgetProviderInfo> WIDGET_NAME_COMPARATOR 2460 = new Comparator<AppWidgetProviderInfo>() { 2461 public final int compare(AppWidgetProviderInfo a, AppWidgetProviderInfo b) { 2462 return sCollator.compare(a.label.toString(), b.label.toString()); 2463 } 2464 }; 2465 static ComponentName getComponentNameFromResolveInfo(ResolveInfo info) { 2466 if (info.activityInfo != null) { 2467 return new ComponentName(info.activityInfo.packageName, info.activityInfo.name); 2468 } else { 2469 return new ComponentName(info.serviceInfo.packageName, info.serviceInfo.name); 2470 } 2471 } 2472 public static class ShortcutNameComparator implements Comparator<ResolveInfo> { 2473 private PackageManager mPackageManager; 2474 private HashMap<Object, CharSequence> mLabelCache; 2475 ShortcutNameComparator(PackageManager pm) { 2476 mPackageManager = pm; 2477 mLabelCache = new HashMap<Object, CharSequence>(); 2478 } 2479 ShortcutNameComparator(PackageManager pm, HashMap<Object, CharSequence> labelCache) { 2480 mPackageManager = pm; 2481 mLabelCache = labelCache; 2482 } 2483 public final int compare(ResolveInfo a, ResolveInfo b) { 2484 CharSequence labelA, labelB; 2485 ComponentName keyA = LauncherModel.getComponentNameFromResolveInfo(a); 2486 ComponentName keyB = LauncherModel.getComponentNameFromResolveInfo(b); 2487 if (mLabelCache.containsKey(keyA)) { 2488 labelA = mLabelCache.get(keyA); 2489 } else { 2490 labelA = a.loadLabel(mPackageManager).toString(); 2491 2492 mLabelCache.put(keyA, labelA); 2493 } 2494 if (mLabelCache.containsKey(keyB)) { 2495 labelB = mLabelCache.get(keyB); 2496 } else { 2497 labelB = b.loadLabel(mPackageManager).toString(); 2498 2499 mLabelCache.put(keyB, labelB); 2500 } 2501 return sCollator.compare(labelA, labelB); 2502 } 2503 }; 2504 public static class WidgetAndShortcutNameComparator implements Comparator<Object> { 2505 private PackageManager mPackageManager; 2506 private HashMap<Object, String> mLabelCache; 2507 WidgetAndShortcutNameComparator(PackageManager pm) { 2508 mPackageManager = pm; 2509 mLabelCache = new HashMap<Object, String>(); 2510 } 2511 public final int compare(Object a, Object b) { 2512 String labelA, labelB; 2513 if (mLabelCache.containsKey(a)) { 2514 labelA = mLabelCache.get(a); 2515 } else { 2516 labelA = (a instanceof AppWidgetProviderInfo) ? 2517 ((AppWidgetProviderInfo) a).label : 2518 ((ResolveInfo) a).loadLabel(mPackageManager).toString(); 2519 mLabelCache.put(a, labelA); 2520 } 2521 if (mLabelCache.containsKey(b)) { 2522 labelB = mLabelCache.get(b); 2523 } else { 2524 labelB = (b instanceof AppWidgetProviderInfo) ? 2525 ((AppWidgetProviderInfo) b).label : 2526 ((ResolveInfo) b).loadLabel(mPackageManager).toString(); 2527 mLabelCache.put(b, labelB); 2528 } 2529 return sCollator.compare(labelA, labelB); 2530 } 2531 }; 2532 2533 public void dumpState() { 2534 Log.d(TAG, "mCallbacks=" + mCallbacks); 2535 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.data", mBgAllAppsList.data); 2536 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.added", mBgAllAppsList.added); 2537 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.removed", mBgAllAppsList.removed); 2538 ApplicationInfo.dumpApplicationInfoList(TAG, "mAllAppsList.modified", mBgAllAppsList.modified); 2539 if (mLoaderTask != null) { 2540 mLoaderTask.dumpState(); 2541 } else { 2542 Log.d(TAG, "mLoaderTask=null"); 2543 } 2544 } 2545} 2546